diff options
Diffstat (limited to 'drivers')
206 files changed, 4751 insertions, 12007 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 104180e3c55e..4a438b8abe27 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -112,33 +112,6 @@ source "drivers/block/mtip32xx/Kconfig" source "drivers/block/zram/Kconfig" -config BLK_CPQ_CISS_DA - tristate "Compaq Smart Array 5xxx support" - depends on PCI - select CHECK_SIGNATURE - select BLK_SCSI_REQUEST - help - This is the driver for Compaq Smart Array 5xxx controllers. - Everyone using these boards should say Y here. - See <file:Documentation/blockdev/cciss.txt> for the current list of - boards supported by this driver, and for further information - on the use of this driver. - -config CISS_SCSI_TAPE - bool "SCSI tape drive support for Smart Array 5xxx" - depends on BLK_CPQ_CISS_DA && PROC_FS - depends on SCSI=y || SCSI=BLK_CPQ_CISS_DA - help - When enabled (Y), this option allows SCSI tape drives and SCSI medium - changers (tape robots) to be accessed via a Compaq 5xxx array - controller. (See <file:Documentation/blockdev/cciss.txt> for more details.) - - "SCSI support" and "SCSI tape support" must also be enabled for this - option to work. - - When this option is disabled (N), the SCSI portion of the driver - is not compiled. - config BLK_DEV_DAC960 tristate "Mylex DAC960/DAC1100 PCI RAID Controller support" depends on PCI diff --git a/drivers/block/Makefile b/drivers/block/Makefile index ec8c36897b75..1f456d86a190 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o obj-$(CONFIG_BLK_DEV_RAM) += brd.o obj-$(CONFIG_BLK_DEV_LOOP) += loop.o -obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o obj-$(CONFIG_BLK_DEV_DAC960) += DAC960.o obj-$(CONFIG_XILINX_SYSACE) += xsysace.o obj-$(CONFIG_CDROM_PKTCDVD) += pktcdvd.o diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c deleted file mode 100644 index 678af946be30..000000000000 --- a/drivers/block/cciss.c +++ /dev/null @@ -1,5415 +0,0 @@ -/* - * Disk Array driver for HP Smart Array controllers. - * (C) Copyright 2000, 2007 Hewlett-Packard Development Company, L.P. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307, USA. - * - * Questions/Comments/Bugfixes to iss_storagedev@hp.com - * - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/pci-aspm.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/major.h> -#include <linux/fs.h> -#include <linux/bio.h> -#include <linux/blkpg.h> -#include <linux/timer.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/init.h> -#include <linux/jiffies.h> -#include <linux/hdreg.h> -#include <linux/spinlock.h> -#include <linux/compat.h> -#include <linux/mutex.h> -#include <linux/bitmap.h> -#include <linux/io.h> -#include <linux/uaccess.h> - -#include <linux/dma-mapping.h> -#include <linux/blkdev.h> -#include <linux/genhd.h> -#include <linux/completion.h> -#include <scsi/scsi.h> -#include <scsi/sg.h> -#include <scsi/scsi_ioctl.h> -#include <scsi/scsi_request.h> -#include <linux/cdrom.h> -#include <linux/scatterlist.h> -#include <linux/kthread.h> - -#define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin)) -#define DRIVER_NAME "HP CISS Driver (v 3.6.26)" -#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 26) - -/* Embedded module documentation macros - see modules.h */ -MODULE_AUTHOR("Hewlett-Packard Company"); -MODULE_DESCRIPTION("Driver for HP Smart Array Controllers"); -MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers"); -MODULE_VERSION("3.6.26"); -MODULE_LICENSE("GPL"); -static int cciss_tape_cmds = 6; -module_param(cciss_tape_cmds, int, 0644); -MODULE_PARM_DESC(cciss_tape_cmds, - "number of commands to allocate for tape devices (default: 6)"); -static int cciss_simple_mode; -module_param(cciss_simple_mode, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(cciss_simple_mode, - "Use 'simple mode' rather than 'performant mode'"); - -static int cciss_allow_hpsa; -module_param(cciss_allow_hpsa, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(cciss_allow_hpsa, - "Prevent cciss driver from accessing hardware known to be " - " supported by the hpsa driver"); - -static DEFINE_MUTEX(cciss_mutex); -static struct proc_dir_entry *proc_cciss; - -#include "cciss_cmd.h" -#include "cciss.h" -#include <linux/cciss_ioctl.h> - -/* define the PCI info for the cards we can control */ -static const struct pci_device_id cciss_pci_device_id[] = { - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS, 0x0E11, 0x4070}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4080}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4082}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 0x0E11, 0x4083}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x4091}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409A}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409B}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409C}, - {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 0x0E11, 0x409D}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA, 0x103C, 0x3225}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3223}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3234}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3235}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3211}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3212}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3213}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3214}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3215}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3237}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x323D}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci, cciss_pci_device_id); - -/* board_id = Subsystem Device ID & Vendor ID - * product = Marketing Name for the board - * access = Address of the struct of function pointers - */ -static struct board_type products[] = { - {0x40700E11, "Smart Array 5300", &SA5_access}, - {0x40800E11, "Smart Array 5i", &SA5B_access}, - {0x40820E11, "Smart Array 532", &SA5B_access}, - {0x40830E11, "Smart Array 5312", &SA5B_access}, - {0x409A0E11, "Smart Array 641", &SA5_access}, - {0x409B0E11, "Smart Array 642", &SA5_access}, - {0x409C0E11, "Smart Array 6400", &SA5_access}, - {0x409D0E11, "Smart Array 6400 EM", &SA5_access}, - {0x40910E11, "Smart Array 6i", &SA5_access}, - {0x3225103C, "Smart Array P600", &SA5_access}, - {0x3223103C, "Smart Array P800", &SA5_access}, - {0x3234103C, "Smart Array P400", &SA5_access}, - {0x3235103C, "Smart Array P400i", &SA5_access}, - {0x3211103C, "Smart Array E200i", &SA5_access}, - {0x3212103C, "Smart Array E200", &SA5_access}, - {0x3213103C, "Smart Array E200i", &SA5_access}, - {0x3214103C, "Smart Array E200i", &SA5_access}, - {0x3215103C, "Smart Array E200i", &SA5_access}, - {0x3237103C, "Smart Array E500", &SA5_access}, - {0x323D103C, "Smart Array P700m", &SA5_access}, -}; - -/* How long to wait (in milliseconds) for board to go into simple mode */ -#define MAX_CONFIG_WAIT 30000 -#define MAX_IOCTL_CONFIG_WAIT 1000 - -/*define how many times we will try a command because of bus resets */ -#define MAX_CMD_RETRIES 3 - -#define MAX_CTLR 32 - -/* Originally cciss driver only supports 8 major numbers */ -#define MAX_CTLR_ORIG 8 - -static ctlr_info_t *hba[MAX_CTLR]; - -static struct task_struct *cciss_scan_thread; -static DEFINE_MUTEX(scan_mutex); -static LIST_HEAD(scan_q); - -static void do_cciss_request(struct request_queue *q); -static irqreturn_t do_cciss_intx(int irq, void *dev_id); -static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id); -static int cciss_open(struct block_device *bdev, fmode_t mode); -static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode); -static void cciss_release(struct gendisk *disk, fmode_t mode); -static int cciss_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg); -static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo); - -static int cciss_revalidate(struct gendisk *disk); -static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl); -static int deregister_disk(ctlr_info_t *h, int drv_index, - int clear_all, int via_ioctl); - -static void cciss_read_capacity(ctlr_info_t *h, int logvol, - sector_t *total_size, unsigned int *block_size); -static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, - sector_t *total_size, unsigned int *block_size); -static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, - sector_t total_size, - unsigned int block_size, InquiryData_struct *inq_buff, - drive_info_struct *drv); -static void cciss_interrupt_mode(ctlr_info_t *); -static int cciss_enter_simple_mode(struct ctlr_info *h); -static void start_io(ctlr_info_t *h); -static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, - __u8 page_code, unsigned char scsi3addr[], - int cmd_type); -static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, - int attempt_retry); -static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c); - -static int add_to_scan_list(struct ctlr_info *h); -static int scan_thread(void *data); -static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c); -static void cciss_hba_release(struct device *dev); -static void cciss_device_release(struct device *dev); -static void cciss_free_gendisk(ctlr_info_t *h, int drv_index); -static void cciss_free_drive_info(ctlr_info_t *h, int drv_index); -static inline u32 next_command(ctlr_info_t *h); -static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr, - u32 *cfg_base_addr, u64 *cfg_base_addr_index, - u64 *cfg_offset); -static int cciss_pci_find_memory_BAR(struct pci_dev *pdev, - unsigned long *memory_bar); -static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag); -static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable); - -/* performant mode helper functions */ -static void calc_bucket_map(int *bucket, int num_buckets, int nsgs, - int *bucket_map); -static void cciss_put_controller_into_performant_mode(ctlr_info_t *h); - -#ifdef CONFIG_PROC_FS -static void cciss_procinit(ctlr_info_t *h); -#else -static void cciss_procinit(ctlr_info_t *h) -{ -} -#endif /* CONFIG_PROC_FS */ - -#ifdef CONFIG_COMPAT -static int cciss_compat_ioctl(struct block_device *, fmode_t, - unsigned, unsigned long); -#endif - -static const struct block_device_operations cciss_fops = { - .owner = THIS_MODULE, - .open = cciss_unlocked_open, - .release = cciss_release, - .ioctl = cciss_ioctl, - .getgeo = cciss_getgeo, -#ifdef CONFIG_COMPAT - .compat_ioctl = cciss_compat_ioctl, -#endif - .revalidate_disk = cciss_revalidate, -}; - -/* set_performant_mode: Modify the tag for cciss performant - * set bit 0 for pull model, bits 3-1 for block fetch - * register number - */ -static void set_performant_mode(ctlr_info_t *h, CommandList_struct *c) -{ - if (likely(h->transMethod & CFGTBL_Trans_Performant)) - c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1); -} - -/* - * Enqueuing and dequeuing functions for cmdlists. - */ -static inline void addQ(struct list_head *list, CommandList_struct *c) -{ - list_add_tail(&c->list, list); -} - -static inline void removeQ(CommandList_struct *c) -{ - /* - * After kexec/dump some commands might still - * be in flight, which the firmware will try - * to complete. Resetting the firmware doesn't work - * with old fw revisions, so we have to mark - * them off as 'stale' to prevent the driver from - * falling over. - */ - if (WARN_ON(list_empty(&c->list))) { - c->cmd_type = CMD_MSG_STALE; - return; - } - - list_del_init(&c->list); -} - -static void enqueue_cmd_and_start_io(ctlr_info_t *h, - CommandList_struct *c) -{ - unsigned long flags; - set_performant_mode(h, c); - spin_lock_irqsave(&h->lock, flags); - addQ(&h->reqQ, c); - h->Qdepth++; - if (h->Qdepth > h->maxQsinceinit) - h->maxQsinceinit = h->Qdepth; - start_io(h); - spin_unlock_irqrestore(&h->lock, flags); -} - -static void cciss_free_sg_chain_blocks(SGDescriptor_struct **cmd_sg_list, - int nr_cmds) -{ - int i; - - if (!cmd_sg_list) - return; - for (i = 0; i < nr_cmds; i++) { - kfree(cmd_sg_list[i]); - cmd_sg_list[i] = NULL; - } - kfree(cmd_sg_list); -} - -static SGDescriptor_struct **cciss_allocate_sg_chain_blocks( - ctlr_info_t *h, int chainsize, int nr_cmds) -{ - int j; - SGDescriptor_struct **cmd_sg_list; - - if (chainsize <= 0) - return NULL; - - cmd_sg_list = kmalloc(sizeof(*cmd_sg_list) * nr_cmds, GFP_KERNEL); - if (!cmd_sg_list) - return NULL; - - /* Build up chain blocks for each command */ - for (j = 0; j < nr_cmds; j++) { - /* Need a block of chainsized s/g elements. */ - cmd_sg_list[j] = kmalloc((chainsize * - sizeof(*cmd_sg_list[j])), GFP_KERNEL); - if (!cmd_sg_list[j]) { - dev_err(&h->pdev->dev, "Cannot get memory " - "for s/g chains.\n"); - goto clean; - } - } - return cmd_sg_list; -clean: - cciss_free_sg_chain_blocks(cmd_sg_list, nr_cmds); - return NULL; -} - -static void cciss_unmap_sg_chain_block(ctlr_info_t *h, CommandList_struct *c) -{ - SGDescriptor_struct *chain_sg; - u64bit temp64; - - if (c->Header.SGTotal <= h->max_cmd_sgentries) - return; - - chain_sg = &c->SG[h->max_cmd_sgentries - 1]; - temp64.val32.lower = chain_sg->Addr.lower; - temp64.val32.upper = chain_sg->Addr.upper; - pci_unmap_single(h->pdev, temp64.val, chain_sg->Len, PCI_DMA_TODEVICE); -} - -static int cciss_map_sg_chain_block(ctlr_info_t *h, CommandList_struct *c, - SGDescriptor_struct *chain_block, int len) -{ - SGDescriptor_struct *chain_sg; - u64bit temp64; - - chain_sg = &c->SG[h->max_cmd_sgentries - 1]; - chain_sg->Ext = CCISS_SG_CHAIN; - chain_sg->Len = len; - temp64.val = pci_map_single(h->pdev, chain_block, len, - PCI_DMA_TODEVICE); - if (dma_mapping_error(&h->pdev->dev, temp64.val)) { - dev_warn(&h->pdev->dev, - "%s: error mapping chain block for DMA\n", - __func__); - return -1; - } - chain_sg->Addr.lower = temp64.val32.lower; - chain_sg->Addr.upper = temp64.val32.upper; - - return 0; -} - -#include "cciss_scsi.c" /* For SCSI tape support */ - -static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG", - "UNKNOWN" -}; -#define RAID_UNKNOWN (ARRAY_SIZE(raid_label)-1) - -#ifdef CONFIG_PROC_FS - -/* - * Report information about this controller. - */ -#define ENG_GIG 1000000000 -#define ENG_GIG_FACTOR (ENG_GIG/512) -#define ENGAGE_SCSI "engage scsi" - -static void cciss_seq_show_header(struct seq_file *seq) -{ - ctlr_info_t *h = seq->private; - - seq_printf(seq, "%s: HP %s Controller\n" - "Board ID: 0x%08lx\n" - "Firmware Version: %c%c%c%c\n" - "IRQ: %d\n" - "Logical drives: %d\n" - "Current Q depth: %d\n" - "Current # commands on controller: %d\n" - "Max Q depth since init: %d\n" - "Max # commands on controller since init: %d\n" - "Max SG entries since init: %d\n", - h->devname, - h->product_name, - (unsigned long)h->board_id, - h->firm_ver[0], h->firm_ver[1], h->firm_ver[2], - h->firm_ver[3], (unsigned int)h->intr[h->intr_mode], - h->num_luns, - h->Qdepth, h->commands_outstanding, - h->maxQsinceinit, h->max_outstanding, h->maxSG); - -#ifdef CONFIG_CISS_SCSI_TAPE - cciss_seq_tape_report(seq, h); -#endif /* CONFIG_CISS_SCSI_TAPE */ -} - -static void *cciss_seq_start(struct seq_file *seq, loff_t *pos) -{ - ctlr_info_t *h = seq->private; - unsigned long flags; - - /* prevent displaying bogus info during configuration - * or deconfiguration of a logical volume - */ - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) { - spin_unlock_irqrestore(&h->lock, flags); - return ERR_PTR(-EBUSY); - } - h->busy_configuring = 1; - spin_unlock_irqrestore(&h->lock, flags); - - if (*pos == 0) - cciss_seq_show_header(seq); - - return pos; -} - -static int cciss_seq_show(struct seq_file *seq, void *v) -{ - sector_t vol_sz, vol_sz_frac; - ctlr_info_t *h = seq->private; - unsigned ctlr = h->ctlr; - loff_t *pos = v; - drive_info_struct *drv = h->drv[*pos]; - - if (*pos > h->highest_lun) - return 0; - - if (drv == NULL) /* it's possible for h->drv[] to have holes. */ - return 0; - - if (drv->heads == 0) - return 0; - - vol_sz = drv->nr_blocks; - vol_sz_frac = sector_div(vol_sz, ENG_GIG_FACTOR); - vol_sz_frac *= 100; - sector_div(vol_sz_frac, ENG_GIG_FACTOR); - - if (drv->raid_level < 0 || drv->raid_level > RAID_UNKNOWN) - drv->raid_level = RAID_UNKNOWN; - seq_printf(seq, "cciss/c%dd%d:" - "\t%4u.%02uGB\tRAID %s\n", - ctlr, (int) *pos, (int)vol_sz, (int)vol_sz_frac, - raid_label[drv->raid_level]); - return 0; -} - -static void *cciss_seq_next(struct seq_file *seq, void *v, loff_t *pos) -{ - ctlr_info_t *h = seq->private; - - if (*pos > h->highest_lun) - return NULL; - *pos += 1; - - return pos; -} - -static void cciss_seq_stop(struct seq_file *seq, void *v) -{ - ctlr_info_t *h = seq->private; - - /* Only reset h->busy_configuring if we succeeded in setting - * it during cciss_seq_start. */ - if (v == ERR_PTR(-EBUSY)) - return; - - h->busy_configuring = 0; -} - -static const struct seq_operations cciss_seq_ops = { - .start = cciss_seq_start, - .show = cciss_seq_show, - .next = cciss_seq_next, - .stop = cciss_seq_stop, -}; - -static int cciss_seq_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &cciss_seq_ops); - struct seq_file *seq = file->private_data; - - if (!ret) - seq->private = PDE_DATA(inode); - - return ret; -} - -static ssize_t -cciss_proc_write(struct file *file, const char __user *buf, - size_t length, loff_t *ppos) -{ - int err; - char *buffer; - -#ifndef CONFIG_CISS_SCSI_TAPE - return -EINVAL; -#endif - - if (!buf || length > PAGE_SIZE - 1) - return -EINVAL; - - buffer = memdup_user_nul(buf, length); - if (IS_ERR(buffer)) - return PTR_ERR(buffer); - -#ifdef CONFIG_CISS_SCSI_TAPE - if (strncmp(ENGAGE_SCSI, buffer, sizeof ENGAGE_SCSI - 1) == 0) { - struct seq_file *seq = file->private_data; - ctlr_info_t *h = seq->private; - - err = cciss_engage_scsi(h); - if (err == 0) - err = length; - } else -#endif /* CONFIG_CISS_SCSI_TAPE */ - err = -EINVAL; - /* might be nice to have "disengage" too, but it's not - safely possible. (only 1 module use count, lock issues.) */ - - kfree(buffer); - return err; -} - -static const struct file_operations cciss_proc_fops = { - .owner = THIS_MODULE, - .open = cciss_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, - .write = cciss_proc_write, -}; - -static void cciss_procinit(ctlr_info_t *h) -{ - struct proc_dir_entry *pde; - - if (proc_cciss == NULL) - proc_cciss = proc_mkdir("driver/cciss", NULL); - if (!proc_cciss) - return; - pde = proc_create_data(h->devname, S_IWUSR | S_IRUSR | S_IRGRP | - S_IROTH, proc_cciss, - &cciss_proc_fops, h); -} -#endif /* CONFIG_PROC_FS */ - -#define MAX_PRODUCT_NAME_LEN 19 - -#define to_hba(n) container_of(n, struct ctlr_info, dev) -#define to_drv(n) container_of(n, drive_info_struct, dev) - -/* List of controllers which cannot be hard reset on kexec with reset_devices */ -static u32 unresettable_controller[] = { - 0x3223103C, /* Smart Array P800 */ - 0x3234103C, /* Smart Array P400 */ - 0x3235103C, /* Smart Array P400i */ - 0x3211103C, /* Smart Array E200i */ - 0x3212103C, /* Smart Array E200 */ - 0x3213103C, /* Smart Array E200i */ - 0x3214103C, /* Smart Array E200i */ - 0x3215103C, /* Smart Array E200i */ - 0x3237103C, /* Smart Array E500 */ - 0x323D103C, /* Smart Array P700m */ - 0x40800E11, /* Smart Array 5i */ - 0x409C0E11, /* Smart Array 6400 */ - 0x409D0E11, /* Smart Array 6400 EM */ - 0x40700E11, /* Smart Array 5300 */ - 0x40820E11, /* Smart Array 532 */ - 0x40830E11, /* Smart Array 5312 */ - 0x409A0E11, /* Smart Array 641 */ - 0x409B0E11, /* Smart Array 642 */ - 0x40910E11, /* Smart Array 6i */ -}; - -/* List of controllers which cannot even be soft reset */ -static u32 soft_unresettable_controller[] = { - 0x40800E11, /* Smart Array 5i */ - 0x40700E11, /* Smart Array 5300 */ - 0x40820E11, /* Smart Array 532 */ - 0x40830E11, /* Smart Array 5312 */ - 0x409A0E11, /* Smart Array 641 */ - 0x409B0E11, /* Smart Array 642 */ - 0x40910E11, /* Smart Array 6i */ - /* Exclude 640x boards. These are two pci devices in one slot - * which share a battery backed cache module. One controls the - * cache, the other accesses the cache through the one that controls - * it. If we reset the one controlling the cache, the other will - * likely not be happy. Just forbid resetting this conjoined mess. - */ - 0x409C0E11, /* Smart Array 6400 */ - 0x409D0E11, /* Smart Array 6400 EM */ -}; - -static int ctlr_is_hard_resettable(u32 board_id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(unresettable_controller); i++) - if (unresettable_controller[i] == board_id) - return 0; - return 1; -} - -static int ctlr_is_soft_resettable(u32 board_id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(soft_unresettable_controller); i++) - if (soft_unresettable_controller[i] == board_id) - return 0; - return 1; -} - -static int ctlr_is_resettable(u32 board_id) -{ - return ctlr_is_hard_resettable(board_id) || - ctlr_is_soft_resettable(board_id); -} - -static ssize_t host_show_resettable(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ctlr_info *h = to_hba(dev); - - return snprintf(buf, 20, "%d\n", ctlr_is_resettable(h->board_id)); -} -static DEVICE_ATTR(resettable, S_IRUGO, host_show_resettable, NULL); - -static ssize_t host_store_rescan(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ctlr_info *h = to_hba(dev); - - add_to_scan_list(h); - wake_up_process(cciss_scan_thread); - wait_for_completion_interruptible(&h->scan_wait); - - return count; -} -static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); - -static ssize_t host_show_transport_mode(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ctlr_info *h = to_hba(dev); - - return snprintf(buf, 20, "%s\n", - h->transMethod & CFGTBL_Trans_Performant ? - "performant" : "simple"); -} -static DEVICE_ATTR(transport_mode, S_IRUGO, host_show_transport_mode, NULL); - -static ssize_t dev_show_unique_id(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - __u8 sn[16]; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) - ret = -EBUSY; - else - memcpy(sn, drv->serial_no, sizeof(sn)); - spin_unlock_irqrestore(&h->lock, flags); - - if (ret) - return ret; - else - return snprintf(buf, 16 * 2 + 2, - "%02X%02X%02X%02X%02X%02X%02X%02X" - "%02X%02X%02X%02X%02X%02X%02X%02X\n", - sn[0], sn[1], sn[2], sn[3], - sn[4], sn[5], sn[6], sn[7], - sn[8], sn[9], sn[10], sn[11], - sn[12], sn[13], sn[14], sn[15]); -} -static DEVICE_ATTR(unique_id, S_IRUGO, dev_show_unique_id, NULL); - -static ssize_t dev_show_vendor(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - char vendor[VENDOR_LEN + 1]; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) - ret = -EBUSY; - else - memcpy(vendor, drv->vendor, VENDOR_LEN + 1); - spin_unlock_irqrestore(&h->lock, flags); - - if (ret) - return ret; - else - return snprintf(buf, sizeof(vendor) + 1, "%s\n", drv->vendor); -} -static DEVICE_ATTR(vendor, S_IRUGO, dev_show_vendor, NULL); - -static ssize_t dev_show_model(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - char model[MODEL_LEN + 1]; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) - ret = -EBUSY; - else - memcpy(model, drv->model, MODEL_LEN + 1); - spin_unlock_irqrestore(&h->lock, flags); - - if (ret) - return ret; - else - return snprintf(buf, sizeof(model) + 1, "%s\n", drv->model); -} -static DEVICE_ATTR(model, S_IRUGO, dev_show_model, NULL); - -static ssize_t dev_show_rev(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - char rev[REV_LEN + 1]; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) - ret = -EBUSY; - else - memcpy(rev, drv->rev, REV_LEN + 1); - spin_unlock_irqrestore(&h->lock, flags); - - if (ret) - return ret; - else - return snprintf(buf, sizeof(rev) + 1, "%s\n", drv->rev); -} -static DEVICE_ATTR(rev, S_IRUGO, dev_show_rev, NULL); - -static ssize_t cciss_show_lunid(struct device *dev, - struct device_attribute *attr, char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - unsigned long flags; - unsigned char lunid[8]; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) { - spin_unlock_irqrestore(&h->lock, flags); - return -EBUSY; - } - if (!drv->heads) { - spin_unlock_irqrestore(&h->lock, flags); - return -ENOTTY; - } - memcpy(lunid, drv->LunID, sizeof(lunid)); - spin_unlock_irqrestore(&h->lock, flags); - return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", - lunid[0], lunid[1], lunid[2], lunid[3], - lunid[4], lunid[5], lunid[6], lunid[7]); -} -static DEVICE_ATTR(lunid, S_IRUGO, cciss_show_lunid, NULL); - -static ssize_t cciss_show_raid_level(struct device *dev, - struct device_attribute *attr, char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - int raid; - unsigned long flags; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) { - spin_unlock_irqrestore(&h->lock, flags); - return -EBUSY; - } - raid = drv->raid_level; - spin_unlock_irqrestore(&h->lock, flags); - if (raid < 0 || raid > RAID_UNKNOWN) - raid = RAID_UNKNOWN; - - return snprintf(buf, strlen(raid_label[raid]) + 7, "RAID %s\n", - raid_label[raid]); -} -static DEVICE_ATTR(raid_level, S_IRUGO, cciss_show_raid_level, NULL); - -static ssize_t cciss_show_usage_count(struct device *dev, - struct device_attribute *attr, char *buf) -{ - drive_info_struct *drv = to_drv(dev); - struct ctlr_info *h = to_hba(drv->dev.parent); - unsigned long flags; - int count; - - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) { - spin_unlock_irqrestore(&h->lock, flags); - return -EBUSY; - } - count = drv->usage_count; - spin_unlock_irqrestore(&h->lock, flags); - return snprintf(buf, 20, "%d\n", count); -} -static DEVICE_ATTR(usage_count, S_IRUGO, cciss_show_usage_count, NULL); - -static struct attribute *cciss_host_attrs[] = { - &dev_attr_rescan.attr, - &dev_attr_resettable.attr, - &dev_attr_transport_mode.attr, - NULL -}; - -static struct attribute_group cciss_host_attr_group = { - .attrs = cciss_host_attrs, -}; - -static const struct attribute_group *cciss_host_attr_groups[] = { - &cciss_host_attr_group, - NULL -}; - -static struct device_type cciss_host_type = { - .name = "cciss_host", - .groups = cciss_host_attr_groups, - .release = cciss_hba_release, -}; - -static struct attribute *cciss_dev_attrs[] = { - &dev_attr_unique_id.attr, - &dev_attr_model.attr, - &dev_attr_vendor.attr, - &dev_attr_rev.attr, - &dev_attr_lunid.attr, - &dev_attr_raid_level.attr, - &dev_attr_usage_count.attr, - NULL -}; - -static struct attribute_group cciss_dev_attr_group = { - .attrs = cciss_dev_attrs, -}; - -static const struct attribute_group *cciss_dev_attr_groups[] = { - &cciss_dev_attr_group, - NULL -}; - -static struct device_type cciss_dev_type = { - .name = "cciss_device", - .groups = cciss_dev_attr_groups, - .release = cciss_device_release, -}; - -static struct bus_type cciss_bus_type = { - .name = "cciss", -}; - -/* - * cciss_hba_release is called when the reference count - * of h->dev goes to zero. - */ -static void cciss_hba_release(struct device *dev) -{ - /* - * nothing to do, but need this to avoid a warning - * about not having a release handler from lib/kref.c. - */ -} - -/* - * Initialize sysfs entry for each controller. This sets up and registers - * the 'cciss#' directory for each individual controller under - * /sys/bus/pci/devices/<dev>/. - */ -static int cciss_create_hba_sysfs_entry(struct ctlr_info *h) -{ - device_initialize(&h->dev); - h->dev.type = &cciss_host_type; - h->dev.bus = &cciss_bus_type; - dev_set_name(&h->dev, "%s", h->devname); - h->dev.parent = &h->pdev->dev; - - return device_add(&h->dev); -} - -/* - * Remove sysfs entries for an hba. - */ -static void cciss_destroy_hba_sysfs_entry(struct ctlr_info *h) -{ - device_del(&h->dev); - put_device(&h->dev); /* final put. */ -} - -/* cciss_device_release is called when the reference count - * of h->drv[x]dev goes to zero. - */ -static void cciss_device_release(struct device *dev) -{ - drive_info_struct *drv = to_drv(dev); - kfree(drv); -} - -/* - * Initialize sysfs for each logical drive. This sets up and registers - * the 'c#d#' directory for each individual logical drive under - * /sys/bus/pci/devices/<dev/ccis#/. We also create a link from - * /sys/block/cciss!c#d# to this entry. - */ -static long cciss_create_ld_sysfs_entry(struct ctlr_info *h, - int drv_index) -{ - struct device *dev; - - if (h->drv[drv_index]->device_initialized) - return 0; - - dev = &h->drv[drv_index]->dev; - device_initialize(dev); - dev->type = &cciss_dev_type; - dev->bus = &cciss_bus_type; - dev_set_name(dev, "c%dd%d", h->ctlr, drv_index); - dev->parent = &h->dev; - h->drv[drv_index]->device_initialized = 1; - return device_add(dev); -} - -/* - * Remove sysfs entries for a logical drive. - */ -static void cciss_destroy_ld_sysfs_entry(struct ctlr_info *h, int drv_index, - int ctlr_exiting) -{ - struct device *dev = &h->drv[drv_index]->dev; - - /* special case for c*d0, we only destroy it on controller exit */ - if (drv_index == 0 && !ctlr_exiting) - return; - - device_del(dev); - put_device(dev); /* the "final" put. */ - h->drv[drv_index] = NULL; -} - -/* - * For operations that cannot sleep, a command block is allocated at init, - * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track - * which ones are free or in use. - */ -static CommandList_struct *cmd_alloc(ctlr_info_t *h) -{ - CommandList_struct *c; - int i; - u64bit temp64; - dma_addr_t cmd_dma_handle, err_dma_handle; - - do { - i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds); - if (i == h->nr_cmds) - return NULL; - } while (test_and_set_bit(i, h->cmd_pool_bits) != 0); - c = h->cmd_pool + i; - memset(c, 0, sizeof(CommandList_struct)); - cmd_dma_handle = h->cmd_pool_dhandle + i * sizeof(CommandList_struct); - c->err_info = h->errinfo_pool + i; - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); - err_dma_handle = h->errinfo_pool_dhandle - + i * sizeof(ErrorInfo_struct); - h->nr_allocs++; - - c->cmdindex = i; - - INIT_LIST_HEAD(&c->list); - c->busaddr = (__u32) cmd_dma_handle; - temp64.val = (__u64) err_dma_handle; - c->ErrDesc.Addr.lower = temp64.val32.lower; - c->ErrDesc.Addr.upper = temp64.val32.upper; - c->ErrDesc.Len = sizeof(ErrorInfo_struct); - - c->ctlr = h->ctlr; - return c; -} - -/* allocate a command using pci_alloc_consistent, used for ioctls, - * etc., not for the main i/o path. - */ -static CommandList_struct *cmd_special_alloc(ctlr_info_t *h) -{ - CommandList_struct *c; - u64bit temp64; - dma_addr_t cmd_dma_handle, err_dma_handle; - - c = pci_zalloc_consistent(h->pdev, sizeof(CommandList_struct), - &cmd_dma_handle); - if (c == NULL) - return NULL; - - c->cmdindex = -1; - - c->err_info = pci_zalloc_consistent(h->pdev, sizeof(ErrorInfo_struct), - &err_dma_handle); - - if (c->err_info == NULL) { - pci_free_consistent(h->pdev, - sizeof(CommandList_struct), c, cmd_dma_handle); - return NULL; - } - - INIT_LIST_HEAD(&c->list); - c->busaddr = (__u32) cmd_dma_handle; - temp64.val = (__u64) err_dma_handle; - c->ErrDesc.Addr.lower = temp64.val32.lower; - c->ErrDesc.Addr.upper = temp64.val32.upper; - c->ErrDesc.Len = sizeof(ErrorInfo_struct); - - c->ctlr = h->ctlr; - return c; -} - -static void cmd_free(ctlr_info_t *h, CommandList_struct *c) -{ - int i; - - i = c - h->cmd_pool; - clear_bit(i, h->cmd_pool_bits); - h->nr_frees++; -} - -static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c) -{ - u64bit temp64; - - temp64.val32.lower = c->ErrDesc.Addr.lower; - temp64.val32.upper = c->ErrDesc.Addr.upper; - pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct), - c->err_info, (dma_addr_t) temp64.val); - pci_free_consistent(h->pdev, sizeof(CommandList_struct), c, - (dma_addr_t) cciss_tag_discard_error_bits(h, (u32) c->busaddr)); -} - -static inline ctlr_info_t *get_host(struct gendisk *disk) -{ - return disk->queue->queuedata; -} - -static inline drive_info_struct *get_drv(struct gendisk *disk) -{ - return disk->private_data; -} - -/* - * Open. Make sure the device is really there. - */ -static int cciss_open(struct block_device *bdev, fmode_t mode) -{ - ctlr_info_t *h = get_host(bdev->bd_disk); - drive_info_struct *drv = get_drv(bdev->bd_disk); - - dev_dbg(&h->pdev->dev, "cciss_open %s\n", bdev->bd_disk->disk_name); - if (drv->busy_configuring) - return -EBUSY; - /* - * Root is allowed to open raw volume zero even if it's not configured - * so array config can still work. Root is also allowed to open any - * volume that has a LUN ID, so it can issue IOCTL to reread the - * disk information. I don't think I really like this - * but I'm already using way to many device nodes to claim another one - * for "raw controller". - */ - if (drv->heads == 0) { - if (MINOR(bdev->bd_dev) != 0) { /* not node 0? */ - /* if not node 0 make sure it is a partition = 0 */ - if (MINOR(bdev->bd_dev) & 0x0f) { - return -ENXIO; - /* if it is, make sure we have a LUN ID */ - } else if (memcmp(drv->LunID, CTLR_LUNID, - sizeof(drv->LunID))) { - return -ENXIO; - } - } - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - } - drv->usage_count++; - h->usage_count++; - return 0; -} - -static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode) -{ - int ret; - - mutex_lock(&cciss_mutex); - ret = cciss_open(bdev, mode); - mutex_unlock(&cciss_mutex); - - return ret; -} - -/* - * Close. Sync first. - */ -static void cciss_release(struct gendisk *disk, fmode_t mode) -{ - ctlr_info_t *h; - drive_info_struct *drv; - - mutex_lock(&cciss_mutex); - h = get_host(disk); - drv = get_drv(disk); - dev_dbg(&h->pdev->dev, "cciss_release %s\n", disk->disk_name); - drv->usage_count--; - h->usage_count--; - mutex_unlock(&cciss_mutex); -} - -#ifdef CONFIG_COMPAT - -static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode, - unsigned cmd, unsigned long arg); -static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode, - unsigned cmd, unsigned long arg); - -static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode, - unsigned cmd, unsigned long arg) -{ - switch (cmd) { - case CCISS_GETPCIINFO: - case CCISS_GETINTINFO: - case CCISS_SETINTINFO: - case CCISS_GETNODENAME: - case CCISS_SETNODENAME: - case CCISS_GETHEARTBEAT: - case CCISS_GETBUSTYPES: - case CCISS_GETFIRMVER: - case CCISS_GETDRIVVER: - case CCISS_REVALIDVOLS: - case CCISS_DEREGDISK: - case CCISS_REGNEWDISK: - case CCISS_REGNEWD: - case CCISS_RESCANDISK: - case CCISS_GETLUNINFO: - return cciss_ioctl(bdev, mode, cmd, arg); - - case CCISS_PASSTHRU32: - return cciss_ioctl32_passthru(bdev, mode, cmd, arg); - case CCISS_BIG_PASSTHRU32: - return cciss_ioctl32_big_passthru(bdev, mode, cmd, arg); - - default: - return -ENOIOCTLCMD; - } -} - -static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode, - unsigned cmd, unsigned long arg) -{ - IOCTL32_Command_struct __user *arg32 = - (IOCTL32_Command_struct __user *) arg; - IOCTL_Command_struct arg64; - IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64)); - int err; - u32 cp; - - memset(&arg64, 0, sizeof(arg64)); - err = 0; - err |= - copy_from_user(&arg64.LUN_info, &arg32->LUN_info, - sizeof(arg64.LUN_info)); - err |= - copy_from_user(&arg64.Request, &arg32->Request, - sizeof(arg64.Request)); - err |= - copy_from_user(&arg64.error_info, &arg32->error_info, - sizeof(arg64.error_info)); - err |= get_user(arg64.buf_size, &arg32->buf_size); - err |= get_user(cp, &arg32->buf); - arg64.buf = compat_ptr(cp); - err |= copy_to_user(p, &arg64, sizeof(arg64)); - - if (err) - return -EFAULT; - - err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p); - if (err) - return err; - err |= - copy_in_user(&arg32->error_info, &p->error_info, - sizeof(arg32->error_info)); - if (err) - return -EFAULT; - return err; -} - -static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode, - unsigned cmd, unsigned long arg) -{ - BIG_IOCTL32_Command_struct __user *arg32 = - (BIG_IOCTL32_Command_struct __user *) arg; - BIG_IOCTL_Command_struct arg64; - BIG_IOCTL_Command_struct __user *p = - compat_alloc_user_space(sizeof(arg64)); - int err; - u32 cp; - - memset(&arg64, 0, sizeof(arg64)); - err = 0; - err |= - copy_from_user(&arg64.LUN_info, &arg32->LUN_info, - sizeof(arg64.LUN_info)); - err |= - copy_from_user(&arg64.Request, &arg32->Request, - sizeof(arg64.Request)); - err |= - copy_from_user(&arg64.error_info, &arg32->error_info, - sizeof(arg64.error_info)); - err |= get_user(arg64.buf_size, &arg32->buf_size); - err |= get_user(arg64.malloc_size, &arg32->malloc_size); - err |= get_user(cp, &arg32->buf); - arg64.buf = compat_ptr(cp); - err |= copy_to_user(p, &arg64, sizeof(arg64)); - - if (err) - return -EFAULT; - - err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p); - if (err) - return err; - err |= - copy_in_user(&arg32->error_info, &p->error_info, - sizeof(arg32->error_info)); - if (err) - return -EFAULT; - return err; -} -#endif - -static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - drive_info_struct *drv = get_drv(bdev->bd_disk); - - if (!drv->cylinders) - return -ENXIO; - - geo->heads = drv->heads; - geo->sectors = drv->sectors; - geo->cylinders = drv->cylinders; - return 0; -} - -static void check_ioctl_unit_attention(ctlr_info_t *h, CommandList_struct *c) -{ - if (c->err_info->CommandStatus == CMD_TARGET_STATUS && - c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) - (void)check_for_unit_attention(h, c); -} - -static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp) -{ - cciss_pci_info_struct pciinfo; - - if (!argp) - return -EINVAL; - pciinfo.domain = pci_domain_nr(h->pdev->bus); - pciinfo.bus = h->pdev->bus->number; - pciinfo.dev_fn = h->pdev->devfn; - pciinfo.board_id = h->board_id; - if (copy_to_user(argp, &pciinfo, sizeof(cciss_pci_info_struct))) - return -EFAULT; - return 0; -} - -static int cciss_getintinfo(ctlr_info_t *h, void __user *argp) -{ - cciss_coalint_struct intinfo; - unsigned long flags; - - if (!argp) - return -EINVAL; - spin_lock_irqsave(&h->lock, flags); - intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay); - intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount); - spin_unlock_irqrestore(&h->lock, flags); - if (copy_to_user - (argp, &intinfo, sizeof(cciss_coalint_struct))) - return -EFAULT; - return 0; -} - -static int cciss_setintinfo(ctlr_info_t *h, void __user *argp) -{ - cciss_coalint_struct intinfo; - unsigned long flags; - int i; - - if (!argp) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (copy_from_user(&intinfo, argp, sizeof(intinfo))) - return -EFAULT; - if ((intinfo.delay == 0) && (intinfo.count == 0)) - return -EINVAL; - spin_lock_irqsave(&h->lock, flags); - /* Update the field, and then ring the doorbell */ - writel(intinfo.delay, &(h->cfgtable->HostWrite.CoalIntDelay)); - writel(intinfo.count, &(h->cfgtable->HostWrite.CoalIntCount)); - writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); - - for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) - break; - udelay(1000); /* delay and try again */ - } - spin_unlock_irqrestore(&h->lock, flags); - if (i >= MAX_IOCTL_CONFIG_WAIT) - return -EAGAIN; - return 0; -} - -static int cciss_getnodename(ctlr_info_t *h, void __user *argp) -{ - NodeName_type NodeName; - unsigned long flags; - int i; - - if (!argp) - return -EINVAL; - spin_lock_irqsave(&h->lock, flags); - for (i = 0; i < 16; i++) - NodeName[i] = readb(&h->cfgtable->ServerName[i]); - spin_unlock_irqrestore(&h->lock, flags); - if (copy_to_user(argp, NodeName, sizeof(NodeName_type))) - return -EFAULT; - return 0; -} - -static int cciss_setnodename(ctlr_info_t *h, void __user *argp) -{ - NodeName_type NodeName; - unsigned long flags; - int i; - - if (!argp) - return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (copy_from_user(NodeName, argp, sizeof(NodeName_type))) - return -EFAULT; - spin_lock_irqsave(&h->lock, flags); - /* Update the field, and then ring the doorbell */ - for (i = 0; i < 16; i++) - writeb(NodeName[i], &h->cfgtable->ServerName[i]); - writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); - for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) - break; - udelay(1000); /* delay and try again */ - } - spin_unlock_irqrestore(&h->lock, flags); - if (i >= MAX_IOCTL_CONFIG_WAIT) - return -EAGAIN; - return 0; -} - -static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp) -{ - Heartbeat_type heartbeat; - unsigned long flags; - - if (!argp) - return -EINVAL; - spin_lock_irqsave(&h->lock, flags); - heartbeat = readl(&h->cfgtable->HeartBeat); - spin_unlock_irqrestore(&h->lock, flags); - if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type))) - return -EFAULT; - return 0; -} - -static int cciss_getbustypes(ctlr_info_t *h, void __user *argp) -{ - BusTypes_type BusTypes; - unsigned long flags; - - if (!argp) - return -EINVAL; - spin_lock_irqsave(&h->lock, flags); - BusTypes = readl(&h->cfgtable->BusTypes); - spin_unlock_irqrestore(&h->lock, flags); - if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type))) - return -EFAULT; - return 0; -} - -static int cciss_getfirmver(ctlr_info_t *h, void __user *argp) -{ - FirmwareVer_type firmware; - - if (!argp) - return -EINVAL; - memcpy(firmware, h->firm_ver, 4); - - if (copy_to_user - (argp, firmware, sizeof(FirmwareVer_type))) - return -EFAULT; - return 0; -} - -static int cciss_getdrivver(ctlr_info_t *h, void __user *argp) -{ - DriverVer_type DriverVer = DRIVER_VERSION; - - if (!argp) - return -EINVAL; - if (copy_to_user(argp, &DriverVer, sizeof(DriverVer_type))) - return -EFAULT; - return 0; -} - -static int cciss_getluninfo(ctlr_info_t *h, - struct gendisk *disk, void __user *argp) -{ - LogvolInfo_struct luninfo; - drive_info_struct *drv = get_drv(disk); - - if (!argp) - return -EINVAL; - memcpy(&luninfo.LunID, drv->LunID, sizeof(luninfo.LunID)); - luninfo.num_opens = drv->usage_count; - luninfo.num_parts = 0; - if (copy_to_user(argp, &luninfo, sizeof(LogvolInfo_struct))) - return -EFAULT; - return 0; -} - -static int cciss_passthru(ctlr_info_t *h, void __user *argp) -{ - IOCTL_Command_struct iocommand; - CommandList_struct *c; - char *buff = NULL; - u64bit temp64; - DECLARE_COMPLETION_ONSTACK(wait); - - if (!argp) - return -EINVAL; - - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - - if (copy_from_user - (&iocommand, argp, sizeof(IOCTL_Command_struct))) - return -EFAULT; - if ((iocommand.buf_size < 1) && - (iocommand.Request.Type.Direction != XFER_NONE)) { - return -EINVAL; - } - if (iocommand.buf_size > 0) { - buff = kmalloc(iocommand.buf_size, GFP_KERNEL); - if (buff == NULL) - return -EFAULT; - } - if (iocommand.Request.Type.Direction == XFER_WRITE) { - /* Copy the data into the buffer we created */ - if (copy_from_user(buff, iocommand.buf, iocommand.buf_size)) { - kfree(buff); - return -EFAULT; - } - } else { - memset(buff, 0, iocommand.buf_size); - } - c = cmd_special_alloc(h); - if (!c) { - kfree(buff); - return -ENOMEM; - } - /* Fill in the command type */ - c->cmd_type = CMD_IOCTL_PEND; - /* Fill in Command Header */ - c->Header.ReplyQueue = 0; /* unused in simple mode */ - if (iocommand.buf_size > 0) { /* buffer to fill */ - c->Header.SGList = 1; - c->Header.SGTotal = 1; - } else { /* no buffers to fill */ - c->Header.SGList = 0; - c->Header.SGTotal = 0; - } - c->Header.LUN = iocommand.LUN_info; - /* use the kernel address the cmd block for tag */ - c->Header.Tag.lower = c->busaddr; - - /* Fill in Request block */ - c->Request = iocommand.Request; - - /* Fill in the scatter gather information */ - if (iocommand.buf_size > 0) { - temp64.val = pci_map_single(h->pdev, buff, - iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); - c->SG[0].Addr.lower = temp64.val32.lower; - c->SG[0].Addr.upper = temp64.val32.upper; - c->SG[0].Len = iocommand.buf_size; - c->SG[0].Ext = 0; /* we are not chaining */ - } - c->waiting = &wait; - - enqueue_cmd_and_start_io(h, c); - wait_for_completion(&wait); - - /* unlock the buffers from DMA */ - temp64.val32.lower = c->SG[0].Addr.lower; - temp64.val32.upper = c->SG[0].Addr.upper; - pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, iocommand.buf_size, - PCI_DMA_BIDIRECTIONAL); - check_ioctl_unit_attention(h, c); - - /* Copy the error information out */ - iocommand.error_info = *(c->err_info); - if (copy_to_user(argp, &iocommand, sizeof(IOCTL_Command_struct))) { - kfree(buff); - cmd_special_free(h, c); - return -EFAULT; - } - - if (iocommand.Request.Type.Direction == XFER_READ) { - /* Copy the data out of the buffer we created */ - if (copy_to_user(iocommand.buf, buff, iocommand.buf_size)) { - kfree(buff); - cmd_special_free(h, c); - return -EFAULT; - } - } - kfree(buff); - cmd_special_free(h, c); - return 0; -} - -static int cciss_bigpassthru(ctlr_info_t *h, void __user *argp) -{ - BIG_IOCTL_Command_struct *ioc; - CommandList_struct *c; - unsigned char **buff = NULL; - int *buff_size = NULL; - u64bit temp64; - BYTE sg_used = 0; - int status = 0; - int i; - DECLARE_COMPLETION_ONSTACK(wait); - __u32 left; - __u32 sz; - BYTE __user *data_ptr; - - if (!argp) - return -EINVAL; - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - ioc = kmalloc(sizeof(*ioc), GFP_KERNEL); - if (!ioc) { - status = -ENOMEM; - goto cleanup1; - } - if (copy_from_user(ioc, argp, sizeof(*ioc))) { - status = -EFAULT; - goto cleanup1; - } - if ((ioc->buf_size < 1) && - (ioc->Request.Type.Direction != XFER_NONE)) { - status = -EINVAL; - goto cleanup1; - } - /* Check kmalloc limits using all SGs */ - if (ioc->malloc_size > MAX_KMALLOC_SIZE) { - status = -EINVAL; - goto cleanup1; - } - if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) { - status = -EINVAL; - goto cleanup1; - } - buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL); - if (!buff) { - status = -ENOMEM; - goto cleanup1; - } - buff_size = kmalloc(MAXSGENTRIES * sizeof(int), GFP_KERNEL); - if (!buff_size) { - status = -ENOMEM; - goto cleanup1; - } - left = ioc->buf_size; - data_ptr = ioc->buf; - while (left) { - sz = (left > ioc->malloc_size) ? ioc->malloc_size : left; - buff_size[sg_used] = sz; - buff[sg_used] = kmalloc(sz, GFP_KERNEL); - if (buff[sg_used] == NULL) { - status = -ENOMEM; - goto cleanup1; - } - if (ioc->Request.Type.Direction == XFER_WRITE) { - if (copy_from_user(buff[sg_used], data_ptr, sz)) { - status = -EFAULT; - goto cleanup1; - } - } else { - memset(buff[sg_used], 0, sz); - } - left -= sz; - data_ptr += sz; - sg_used++; - } - c = cmd_special_alloc(h); - if (!c) { - status = -ENOMEM; - goto cleanup1; - } - c->cmd_type = CMD_IOCTL_PEND; - c->Header.ReplyQueue = 0; - c->Header.SGList = sg_used; - c->Header.SGTotal = sg_used; - c->Header.LUN = ioc->LUN_info; - c->Header.Tag.lower = c->busaddr; - - c->Request = ioc->Request; - for (i = 0; i < sg_used; i++) { - temp64.val = pci_map_single(h->pdev, buff[i], buff_size[i], - PCI_DMA_BIDIRECTIONAL); - c->SG[i].Addr.lower = temp64.val32.lower; - c->SG[i].Addr.upper = temp64.val32.upper; - c->SG[i].Len = buff_size[i]; - c->SG[i].Ext = 0; /* we are not chaining */ - } - c->waiting = &wait; - enqueue_cmd_and_start_io(h, c); - wait_for_completion(&wait); - /* unlock the buffers from DMA */ - for (i = 0; i < sg_used; i++) { - temp64.val32.lower = c->SG[i].Addr.lower; - temp64.val32.upper = c->SG[i].Addr.upper; - pci_unmap_single(h->pdev, - (dma_addr_t) temp64.val, buff_size[i], - PCI_DMA_BIDIRECTIONAL); - } - check_ioctl_unit_attention(h, c); - /* Copy the error information out */ - ioc->error_info = *(c->err_info); - if (copy_to_user(argp, ioc, sizeof(*ioc))) { - cmd_special_free(h, c); - status = -EFAULT; - goto cleanup1; - } - if (ioc->Request.Type.Direction == XFER_READ) { - /* Copy the data out of the buffer we created */ - BYTE __user *ptr = ioc->buf; - for (i = 0; i < sg_used; i++) { - if (copy_to_user(ptr, buff[i], buff_size[i])) { - cmd_special_free(h, c); - status = -EFAULT; - goto cleanup1; - } - ptr += buff_size[i]; - } - } - cmd_special_free(h, c); - status = 0; -cleanup1: - if (buff) { - for (i = 0; i < sg_used; i++) - kfree(buff[i]); - kfree(buff); - } - kfree(buff_size); - kfree(ioc); - return status; -} - -static int cciss_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - struct gendisk *disk = bdev->bd_disk; - ctlr_info_t *h = get_host(disk); - void __user *argp = (void __user *)arg; - - dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n", - cmd, arg); - switch (cmd) { - case CCISS_GETPCIINFO: - return cciss_getpciinfo(h, argp); - case CCISS_GETINTINFO: - return cciss_getintinfo(h, argp); - case CCISS_SETINTINFO: - return cciss_setintinfo(h, argp); - case CCISS_GETNODENAME: - return cciss_getnodename(h, argp); - case CCISS_SETNODENAME: - return cciss_setnodename(h, argp); - case CCISS_GETHEARTBEAT: - return cciss_getheartbeat(h, argp); - case CCISS_GETBUSTYPES: - return cciss_getbustypes(h, argp); - case CCISS_GETFIRMVER: - return cciss_getfirmver(h, argp); - case CCISS_GETDRIVVER: - return cciss_getdrivver(h, argp); - case CCISS_DEREGDISK: - case CCISS_REGNEWD: - case CCISS_REVALIDVOLS: - return rebuild_lun_table(h, 0, 1); - case CCISS_GETLUNINFO: - return cciss_getluninfo(h, disk, argp); - case CCISS_PASSTHRU: - return cciss_passthru(h, argp); - case CCISS_BIG_PASSTHRU: - return cciss_bigpassthru(h, argp); - - /* scsi_cmd_blk_ioctl handles these, below, though some are not */ - /* very meaningful for cciss. SG_IO is the main one people want. */ - - case SG_GET_VERSION_NUM: - case SG_SET_TIMEOUT: - case SG_GET_TIMEOUT: - case SG_GET_RESERVED_SIZE: - case SG_SET_RESERVED_SIZE: - case SG_EMULATED_HOST: - case SG_IO: - case SCSI_IOCTL_SEND_COMMAND: - return scsi_cmd_blk_ioctl(bdev, mode, cmd, argp); - - /* scsi_cmd_blk_ioctl would normally handle these, below, but */ - /* they aren't a good fit for cciss, as CD-ROMs are */ - /* not supported, and we don't have any bus/target/lun */ - /* which we present to the kernel. */ - - case CDROM_SEND_PACKET: - case CDROMCLOSETRAY: - case CDROMEJECT: - case SCSI_IOCTL_GET_IDLUN: - case SCSI_IOCTL_GET_BUS_NUMBER: - default: - return -ENOTTY; - } -} - -static void cciss_check_queues(ctlr_info_t *h) -{ - int start_queue = h->next_to_run; - int i; - - /* check to see if we have maxed out the number of commands that can - * be placed on the queue. If so then exit. We do this check here - * in case the interrupt we serviced was from an ioctl and did not - * free any new commands. - */ - if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds) - return; - - /* We have room on the queue for more commands. Now we need to queue - * them up. We will also keep track of the next queue to run so - * that every queue gets a chance to be started first. - */ - for (i = 0; i < h->highest_lun + 1; i++) { - int curr_queue = (start_queue + i) % (h->highest_lun + 1); - /* make sure the disk has been added and the drive is real - * because this can be called from the middle of init_one. - */ - if (!h->drv[curr_queue]) - continue; - if (!(h->drv[curr_queue]->queue) || - !(h->drv[curr_queue]->heads)) - continue; - blk_start_queue(h->gendisk[curr_queue]->queue); - - /* check to see if we have maxed out the number of commands - * that can be placed on the queue. - */ - if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds) { - if (curr_queue == start_queue) { - h->next_to_run = - (start_queue + 1) % (h->highest_lun + 1); - break; - } else { - h->next_to_run = curr_queue; - break; - } - } - } -} - -static void cciss_softirq_done(struct request *rq) -{ - CommandList_struct *c = rq->completion_data; - ctlr_info_t *h = hba[c->ctlr]; - SGDescriptor_struct *curr_sg = c->SG; - u64bit temp64; - unsigned long flags; - int i, ddir; - int sg_index = 0; - - if (c->Request.Type.Direction == XFER_READ) - ddir = PCI_DMA_FROMDEVICE; - else - ddir = PCI_DMA_TODEVICE; - - /* command did not need to be retried */ - /* unmap the DMA mapping for all the scatter gather elements */ - for (i = 0; i < c->Header.SGList; i++) { - if (curr_sg[sg_index].Ext == CCISS_SG_CHAIN) { - cciss_unmap_sg_chain_block(h, c); - /* Point to the next block */ - curr_sg = h->cmd_sg_list[c->cmdindex]; - sg_index = 0; - } - temp64.val32.lower = curr_sg[sg_index].Addr.lower; - temp64.val32.upper = curr_sg[sg_index].Addr.upper; - pci_unmap_page(h->pdev, temp64.val, curr_sg[sg_index].Len, - ddir); - ++sg_index; - } - - dev_dbg(&h->pdev->dev, "Done with %p\n", rq); - - /* set the residual count for pc requests */ - if (blk_rq_is_passthrough(rq)) - scsi_req(rq)->resid_len = c->err_info->ResidualCnt; - blk_end_request_all(rq, scsi_req(rq)->result ? - BLK_STS_IOERR : BLK_STS_OK); - - spin_lock_irqsave(&h->lock, flags); - cmd_free(h, c); - cciss_check_queues(h); - spin_unlock_irqrestore(&h->lock, flags); -} - -static inline void log_unit_to_scsi3addr(ctlr_info_t *h, - unsigned char scsi3addr[], uint32_t log_unit) -{ - memcpy(scsi3addr, h->drv[log_unit]->LunID, - sizeof(h->drv[log_unit]->LunID)); -} - -/* This function gets the SCSI vendor, model, and revision of a logical drive - * via the inquiry page 0. Model, vendor, and rev are set to empty strings if - * they cannot be read. - */ -static void cciss_get_device_descr(ctlr_info_t *h, int logvol, - char *vendor, char *model, char *rev) -{ - int rc; - InquiryData_struct *inq_buf; - unsigned char scsi3addr[8]; - - *vendor = '\0'; - *model = '\0'; - *rev = '\0'; - - inq_buf = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); - if (!inq_buf) - return; - - log_unit_to_scsi3addr(h, scsi3addr, logvol); - rc = sendcmd_withirq(h, CISS_INQUIRY, inq_buf, sizeof(*inq_buf), 0, - scsi3addr, TYPE_CMD); - if (rc == IO_OK) { - memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN); - vendor[VENDOR_LEN] = '\0'; - memcpy(model, &inq_buf->data_byte[16], MODEL_LEN); - model[MODEL_LEN] = '\0'; - memcpy(rev, &inq_buf->data_byte[32], REV_LEN); - rev[REV_LEN] = '\0'; - } - - kfree(inq_buf); - return; -} - -/* This function gets the serial number of a logical drive via - * inquiry page 0x83. Serial no. is 16 bytes. If the serial - * number cannot be had, for whatever reason, 16 bytes of 0xff - * are returned instead. - */ -static void cciss_get_serial_no(ctlr_info_t *h, int logvol, - unsigned char *serial_no, int buflen) -{ -#define PAGE_83_INQ_BYTES 64 - int rc; - unsigned char *buf; - unsigned char scsi3addr[8]; - - if (buflen > 16) - buflen = 16; - memset(serial_no, 0xff, buflen); - buf = kzalloc(PAGE_83_INQ_BYTES, GFP_KERNEL); - if (!buf) - return; - memset(serial_no, 0, buflen); - log_unit_to_scsi3addr(h, scsi3addr, logvol); - rc = sendcmd_withirq(h, CISS_INQUIRY, buf, - PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD); - if (rc == IO_OK) - memcpy(serial_no, &buf[8], buflen); - kfree(buf); - return; -} - -static void cciss_initialize_rq(struct request *rq) -{ - struct scsi_request *sreq = blk_mq_rq_to_pdu(rq); - - scsi_req_init(sreq); -} - -/* - * cciss_add_disk sets up the block device queue for a logical drive - */ -static int cciss_add_disk(ctlr_info_t *h, struct gendisk *disk, - int drv_index) -{ - disk->queue = blk_alloc_queue(GFP_KERNEL); - if (!disk->queue) - goto init_queue_failure; - - disk->queue->cmd_size = sizeof(struct scsi_request); - disk->queue->request_fn = do_cciss_request; - disk->queue->initialize_rq_fn = cciss_initialize_rq; - disk->queue->queue_lock = &h->lock; - queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, disk->queue); - if (blk_init_allocated_queue(disk->queue) < 0) - goto cleanup_queue; - - sprintf(disk->disk_name, "cciss/c%dd%d", h->ctlr, drv_index); - disk->major = h->major; - disk->first_minor = drv_index << NWD_SHIFT; - disk->fops = &cciss_fops; - if (cciss_create_ld_sysfs_entry(h, drv_index)) - goto cleanup_queue; - disk->private_data = h->drv[drv_index]; - - /* Set up queue information */ - blk_queue_bounce_limit(disk->queue, h->pdev->dma_mask); - - /* This is a hardware imposed limit. */ - blk_queue_max_segments(disk->queue, h->maxsgentries); - - blk_queue_max_hw_sectors(disk->queue, h->cciss_max_sectors); - - blk_queue_softirq_done(disk->queue, cciss_softirq_done); - - disk->queue->queuedata = h; - - blk_queue_logical_block_size(disk->queue, - h->drv[drv_index]->block_size); - - /* Make sure all queue data is written out before */ - /* setting h->drv[drv_index]->queue, as setting this */ - /* allows the interrupt handler to start the queue */ - wmb(); - h->drv[drv_index]->queue = disk->queue; - device_add_disk(&h->drv[drv_index]->dev, disk); - return 0; - -cleanup_queue: - blk_cleanup_queue(disk->queue); - disk->queue = NULL; -init_queue_failure: - return -1; -} - -/* This function will check the usage_count of the drive to be updated/added. - * If the usage_count is zero and it is a heretofore unknown drive, or, - * the drive's capacity, geometry, or serial number has changed, - * then the drive information will be updated and the disk will be - * re-registered with the kernel. If these conditions don't hold, - * then it will be left alone for the next reboot. The exception to this - * is disk 0 which will always be left registered with the kernel since it - * is also the controller node. Any changes to disk 0 will show up on - * the next reboot. - */ -static void cciss_update_drive_info(ctlr_info_t *h, int drv_index, - int first_time, int via_ioctl) -{ - struct gendisk *disk; - InquiryData_struct *inq_buff = NULL; - unsigned int block_size; - sector_t total_size; - unsigned long flags = 0; - int ret = 0; - drive_info_struct *drvinfo; - - /* Get information about the disk and modify the driver structure */ - inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL); - drvinfo = kzalloc(sizeof(*drvinfo), GFP_KERNEL); - if (inq_buff == NULL || drvinfo == NULL) - goto mem_msg; - - /* testing to see if 16-byte CDBs are already being used */ - if (h->cciss_read == CCISS_READ_16) { - cciss_read_capacity_16(h, drv_index, - &total_size, &block_size); - - } else { - cciss_read_capacity(h, drv_index, &total_size, &block_size); - /* if read_capacity returns all F's this volume is >2TB */ - /* in size so we switch to 16-byte CDB's for all */ - /* read/write ops */ - if (total_size == 0xFFFFFFFFULL) { - cciss_read_capacity_16(h, drv_index, - &total_size, &block_size); - h->cciss_read = CCISS_READ_16; - h->cciss_write = CCISS_WRITE_16; - } else { - h->cciss_read = CCISS_READ_10; - h->cciss_write = CCISS_WRITE_10; - } - } - - cciss_geometry_inquiry(h, drv_index, total_size, block_size, - inq_buff, drvinfo); - drvinfo->block_size = block_size; - drvinfo->nr_blocks = total_size + 1; - - cciss_get_device_descr(h, drv_index, drvinfo->vendor, - drvinfo->model, drvinfo->rev); - cciss_get_serial_no(h, drv_index, drvinfo->serial_no, - sizeof(drvinfo->serial_no)); - /* Save the lunid in case we deregister the disk, below. */ - memcpy(drvinfo->LunID, h->drv[drv_index]->LunID, - sizeof(drvinfo->LunID)); - - /* Is it the same disk we already know, and nothing's changed? */ - if (h->drv[drv_index]->raid_level != -1 && - ((memcmp(drvinfo->serial_no, - h->drv[drv_index]->serial_no, 16) == 0) && - drvinfo->block_size == h->drv[drv_index]->block_size && - drvinfo->nr_blocks == h->drv[drv_index]->nr_blocks && - drvinfo->heads == h->drv[drv_index]->heads && - drvinfo->sectors == h->drv[drv_index]->sectors && - drvinfo->cylinders == h->drv[drv_index]->cylinders)) - /* The disk is unchanged, nothing to update */ - goto freeret; - - /* If we get here it's not the same disk, or something's changed, - * so we need to * deregister it, and re-register it, if it's not - * in use. - * If the disk already exists then deregister it before proceeding - * (unless it's the first disk (for the controller node). - */ - if (h->drv[drv_index]->raid_level != -1 && drv_index != 0) { - dev_warn(&h->pdev->dev, "disk %d has changed.\n", drv_index); - spin_lock_irqsave(&h->lock, flags); - h->drv[drv_index]->busy_configuring = 1; - spin_unlock_irqrestore(&h->lock, flags); - - /* deregister_disk sets h->drv[drv_index]->queue = NULL - * which keeps the interrupt handler from starting - * the queue. - */ - ret = deregister_disk(h, drv_index, 0, via_ioctl); - } - - /* If the disk is in use return */ - if (ret) - goto freeret; - - /* Save the new information from cciss_geometry_inquiry - * and serial number inquiry. If the disk was deregistered - * above, then h->drv[drv_index] will be NULL. - */ - if (h->drv[drv_index] == NULL) { - drvinfo->device_initialized = 0; - h->drv[drv_index] = drvinfo; - drvinfo = NULL; /* so it won't be freed below. */ - } else { - /* special case for cxd0 */ - h->drv[drv_index]->block_size = drvinfo->block_size; - h->drv[drv_index]->nr_blocks = drvinfo->nr_blocks; - h->drv[drv_index]->heads = drvinfo->heads; - h->drv[drv_index]->sectors = drvinfo->sectors; - h->drv[drv_index]->cylinders = drvinfo->cylinders; - h->drv[drv_index]->raid_level = drvinfo->raid_level; - memcpy(h->drv[drv_index]->serial_no, drvinfo->serial_no, 16); - memcpy(h->drv[drv_index]->vendor, drvinfo->vendor, - VENDOR_LEN + 1); - memcpy(h->drv[drv_index]->model, drvinfo->model, MODEL_LEN + 1); - memcpy(h->drv[drv_index]->rev, drvinfo->rev, REV_LEN + 1); - } - - ++h->num_luns; - disk = h->gendisk[drv_index]; - set_capacity(disk, h->drv[drv_index]->nr_blocks); - - /* If it's not disk 0 (drv_index != 0) - * or if it was disk 0, but there was previously - * no actual corresponding configured logical drive - * (raid_leve == -1) then we want to update the - * logical drive's information. - */ - if (drv_index || first_time) { - if (cciss_add_disk(h, disk, drv_index) != 0) { - cciss_free_gendisk(h, drv_index); - cciss_free_drive_info(h, drv_index); - dev_warn(&h->pdev->dev, "could not update disk %d\n", - drv_index); - --h->num_luns; - } - } - -freeret: - kfree(inq_buff); - kfree(drvinfo); - return; -mem_msg: - dev_err(&h->pdev->dev, "out of memory\n"); - goto freeret; -} - -/* This function will find the first index of the controllers drive array - * that has a null drv pointer and allocate the drive info struct and - * will return that index This is where new drives will be added. - * If the index to be returned is greater than the highest_lun index for - * the controller then highest_lun is set * to this new index. - * If there are no available indexes or if tha allocation fails, then -1 - * is returned. * "controller_node" is used to know if this is a real - * logical drive, or just the controller node, which determines if this - * counts towards highest_lun. - */ -static int cciss_alloc_drive_info(ctlr_info_t *h, int controller_node) -{ - int i; - drive_info_struct *drv; - - /* Search for an empty slot for our drive info */ - for (i = 0; i < CISS_MAX_LUN; i++) { - - /* if not cxd0 case, and it's occupied, skip it. */ - if (h->drv[i] && i != 0) - continue; - /* - * If it's cxd0 case, and drv is alloc'ed already, and a - * disk is configured there, skip it. - */ - if (i == 0 && h->drv[i] && h->drv[i]->raid_level != -1) - continue; - - /* - * We've found an empty slot. Update highest_lun - * provided this isn't just the fake cxd0 controller node. - */ - if (i > h->highest_lun && !controller_node) - h->highest_lun = i; - - /* If adding a real disk at cxd0, and it's already alloc'ed */ - if (i == 0 && h->drv[i] != NULL) - return i; - - /* - * Found an empty slot, not already alloc'ed. Allocate it. - * Mark it with raid_level == -1, so we know it's new later on. - */ - drv = kzalloc(sizeof(*drv), GFP_KERNEL); - if (!drv) - return -1; - drv->raid_level = -1; /* so we know it's new */ - h->drv[i] = drv; - return i; - } - return -1; -} - -static void cciss_free_drive_info(ctlr_info_t *h, int drv_index) -{ - kfree(h->drv[drv_index]); - h->drv[drv_index] = NULL; -} - -static void cciss_free_gendisk(ctlr_info_t *h, int drv_index) -{ - put_disk(h->gendisk[drv_index]); - h->gendisk[drv_index] = NULL; -} - -/* cciss_add_gendisk finds a free hba[]->drv structure - * and allocates a gendisk if needed, and sets the lunid - * in the drvinfo structure. It returns the index into - * the ->drv[] array, or -1 if none are free. - * is_controller_node indicates whether highest_lun should - * count this disk, or if it's only being added to provide - * a means to talk to the controller in case no logical - * drives have yet been configured. - */ -static int cciss_add_gendisk(ctlr_info_t *h, unsigned char lunid[], - int controller_node) -{ - int drv_index; - - drv_index = cciss_alloc_drive_info(h, controller_node); - if (drv_index == -1) - return -1; - - /*Check if the gendisk needs to be allocated */ - if (!h->gendisk[drv_index]) { - h->gendisk[drv_index] = - alloc_disk(1 << NWD_SHIFT); - if (!h->gendisk[drv_index]) { - dev_err(&h->pdev->dev, - "could not allocate a new disk %d\n", - drv_index); - goto err_free_drive_info; - } - } - memcpy(h->drv[drv_index]->LunID, lunid, - sizeof(h->drv[drv_index]->LunID)); - if (cciss_create_ld_sysfs_entry(h, drv_index)) - goto err_free_disk; - /* Don't need to mark this busy because nobody */ - /* else knows about this disk yet to contend */ - /* for access to it. */ - h->drv[drv_index]->busy_configuring = 0; - wmb(); - return drv_index; - -err_free_disk: - cciss_free_gendisk(h, drv_index); -err_free_drive_info: - cciss_free_drive_info(h, drv_index); - return -1; -} - -/* This is for the special case of a controller which - * has no logical drives. In this case, we still need - * to register a disk so the controller can be accessed - * by the Array Config Utility. - */ -static void cciss_add_controller_node(ctlr_info_t *h) -{ - struct gendisk *disk; - int drv_index; - - if (h->gendisk[0] != NULL) /* already did this? Then bail. */ - return; - - drv_index = cciss_add_gendisk(h, CTLR_LUNID, 1); - if (drv_index == -1) - goto error; - h->drv[drv_index]->block_size = 512; - h->drv[drv_index]->nr_blocks = 0; - h->drv[drv_index]->heads = 0; - h->drv[drv_index]->sectors = 0; - h->drv[drv_index]->cylinders = 0; - h->drv[drv_index]->raid_level = -1; - memset(h->drv[drv_index]->serial_no, 0, 16); - disk = h->gendisk[drv_index]; - if (cciss_add_disk(h, disk, drv_index) == 0) - return; - cciss_free_gendisk(h, drv_index); - cciss_free_drive_info(h, drv_index); -error: - dev_warn(&h->pdev->dev, "could not add disk 0.\n"); - return; -} - -/* This function will add and remove logical drives from the Logical - * drive array of the controller and maintain persistency of ordering - * so that mount points are preserved until the next reboot. This allows - * for the removal of logical drives in the middle of the drive array - * without a re-ordering of those drives. - * INPUT - * h = The controller to perform the operations on - */ -static int rebuild_lun_table(ctlr_info_t *h, int first_time, - int via_ioctl) -{ - int num_luns; - ReportLunData_struct *ld_buff = NULL; - int return_code; - int listlength = 0; - int i; - int drv_found; - int drv_index = 0; - unsigned char lunid[8] = CTLR_LUNID; - unsigned long flags; - - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - - /* Set busy_configuring flag for this operation */ - spin_lock_irqsave(&h->lock, flags); - if (h->busy_configuring) { - spin_unlock_irqrestore(&h->lock, flags); - return -EBUSY; - } - h->busy_configuring = 1; - spin_unlock_irqrestore(&h->lock, flags); - - ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL); - if (ld_buff == NULL) - goto mem_msg; - - return_code = sendcmd_withirq(h, CISS_REPORT_LOG, ld_buff, - sizeof(ReportLunData_struct), - 0, CTLR_LUNID, TYPE_CMD); - - if (return_code == IO_OK) - listlength = be32_to_cpu(*(__be32 *) ld_buff->LUNListLength); - else { /* reading number of logical volumes failed */ - dev_warn(&h->pdev->dev, - "report logical volume command failed\n"); - listlength = 0; - goto freeret; - } - - num_luns = listlength / 8; /* 8 bytes per entry */ - if (num_luns > CISS_MAX_LUN) { - num_luns = CISS_MAX_LUN; - dev_warn(&h->pdev->dev, "more luns configured" - " on controller than can be handled by" - " this driver.\n"); - } - - if (num_luns == 0) - cciss_add_controller_node(h); - - /* Compare controller drive array to driver's drive array - * to see if any drives are missing on the controller due - * to action of Array Config Utility (user deletes drive) - * and deregister logical drives which have disappeared. - */ - for (i = 0; i <= h->highest_lun; i++) { - int j; - drv_found = 0; - - /* skip holes in the array from already deleted drives */ - if (h->drv[i] == NULL) - continue; - - for (j = 0; j < num_luns; j++) { - memcpy(lunid, &ld_buff->LUN[j][0], sizeof(lunid)); - if (memcmp(h->drv[i]->LunID, lunid, - sizeof(lunid)) == 0) { - drv_found = 1; - break; - } - } - if (!drv_found) { - /* Deregister it from the OS, it's gone. */ - spin_lock_irqsave(&h->lock, flags); - h->drv[i]->busy_configuring = 1; - spin_unlock_irqrestore(&h->lock, flags); - return_code = deregister_disk(h, i, 1, via_ioctl); - if (h->drv[i] != NULL) - h->drv[i]->busy_configuring = 0; - } - } - - /* Compare controller drive array to driver's drive array. - * Check for updates in the drive information and any new drives - * on the controller due to ACU adding logical drives, or changing - * a logical drive's size, etc. Reregister any new/changed drives - */ - for (i = 0; i < num_luns; i++) { - int j; - - drv_found = 0; - - memcpy(lunid, &ld_buff->LUN[i][0], sizeof(lunid)); - /* Find if the LUN is already in the drive array - * of the driver. If so then update its info - * if not in use. If it does not exist then find - * the first free index and add it. - */ - for (j = 0; j <= h->highest_lun; j++) { - if (h->drv[j] != NULL && - memcmp(h->drv[j]->LunID, lunid, - sizeof(h->drv[j]->LunID)) == 0) { - drv_index = j; - drv_found = 1; - break; - } - } - - /* check if the drive was found already in the array */ - if (!drv_found) { - drv_index = cciss_add_gendisk(h, lunid, 0); - if (drv_index == -1) - goto freeret; - } - cciss_update_drive_info(h, drv_index, first_time, via_ioctl); - } /* end for */ - -freeret: - kfree(ld_buff); - h->busy_configuring = 0; - /* We return -1 here to tell the ACU that we have registered/updated - * all of the drives that we can and to keep it from calling us - * additional times. - */ - return -1; -mem_msg: - dev_err(&h->pdev->dev, "out of memory\n"); - h->busy_configuring = 0; - goto freeret; -} - -static void cciss_clear_drive_info(drive_info_struct *drive_info) -{ - /* zero out the disk size info */ - drive_info->nr_blocks = 0; - drive_info->block_size = 0; - drive_info->heads = 0; - drive_info->sectors = 0; - drive_info->cylinders = 0; - drive_info->raid_level = -1; - memset(drive_info->serial_no, 0, sizeof(drive_info->serial_no)); - memset(drive_info->model, 0, sizeof(drive_info->model)); - memset(drive_info->rev, 0, sizeof(drive_info->rev)); - memset(drive_info->vendor, 0, sizeof(drive_info->vendor)); - /* - * don't clear the LUNID though, we need to remember which - * one this one is. - */ -} - -/* This function will deregister the disk and it's queue from the - * kernel. It must be called with the controller lock held and the - * drv structures busy_configuring flag set. It's parameters are: - * - * disk = This is the disk to be deregistered - * drv = This is the drive_info_struct associated with the disk to be - * deregistered. It contains information about the disk used - * by the driver. - * clear_all = This flag determines whether or not the disk information - * is going to be completely cleared out and the highest_lun - * reset. Sometimes we want to clear out information about - * the disk in preparation for re-adding it. In this case - * the highest_lun should be left unchanged and the LunID - * should not be cleared. - * via_ioctl - * This indicates whether we've reached this path via ioctl. - * This affects the maximum usage count allowed for c0d0 to be messed with. - * If this path is reached via ioctl(), then the max_usage_count will - * be 1, as the process calling ioctl() has got to have the device open. - * If we get here via sysfs, then the max usage count will be zero. -*/ -static int deregister_disk(ctlr_info_t *h, int drv_index, - int clear_all, int via_ioctl) -{ - int i; - struct gendisk *disk; - drive_info_struct *drv; - int recalculate_highest_lun; - - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - - drv = h->drv[drv_index]; - disk = h->gendisk[drv_index]; - - /* make sure logical volume is NOT is use */ - if (clear_all || (h->gendisk[0] == disk)) { - if (drv->usage_count > via_ioctl) - return -EBUSY; - } else if (drv->usage_count > 0) - return -EBUSY; - - recalculate_highest_lun = (drv == h->drv[h->highest_lun]); - - /* invalidate the devices and deregister the disk. If it is disk - * zero do not deregister it but just zero out it's values. This - * allows us to delete disk zero but keep the controller registered. - */ - if (h->gendisk[0] != disk) { - struct request_queue *q = disk->queue; - if (disk->flags & GENHD_FL_UP) { - cciss_destroy_ld_sysfs_entry(h, drv_index, 0); - del_gendisk(disk); - } - if (q) - blk_cleanup_queue(q); - /* If clear_all is set then we are deleting the logical - * drive, not just refreshing its info. For drives - * other than disk 0 we will call put_disk. We do not - * do this for disk 0 as we need it to be able to - * configure the controller. - */ - if (clear_all){ - /* This isn't pretty, but we need to find the - * disk in our array and NULL our the pointer. - * This is so that we will call alloc_disk if - * this index is used again later. - */ - for (i=0; i < CISS_MAX_LUN; i++){ - if (h->gendisk[i] == disk) { - h->gendisk[i] = NULL; - break; - } - } - put_disk(disk); - } - } else { - set_capacity(disk, 0); - cciss_clear_drive_info(drv); - } - - --h->num_luns; - - /* if it was the last disk, find the new hightest lun */ - if (clear_all && recalculate_highest_lun) { - int newhighest = -1; - for (i = 0; i <= h->highest_lun; i++) { - /* if the disk has size > 0, it is available */ - if (h->drv[i] && h->drv[i]->heads) - newhighest = i; - } - h->highest_lun = newhighest; - } - return 0; -} - -static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff, - size_t size, __u8 page_code, unsigned char *scsi3addr, - int cmd_type) -{ - u64bit buff_dma_handle; - int status = IO_OK; - - c->cmd_type = CMD_IOCTL_PEND; - c->Header.ReplyQueue = 0; - if (buff != NULL) { - c->Header.SGList = 1; - c->Header.SGTotal = 1; - } else { - c->Header.SGList = 0; - c->Header.SGTotal = 0; - } - c->Header.Tag.lower = c->busaddr; - memcpy(c->Header.LUN.LunAddrBytes, scsi3addr, 8); - - c->Request.Type.Type = cmd_type; - if (cmd_type == TYPE_CMD) { - switch (cmd) { - case CISS_INQUIRY: - /* are we trying to read a vital product page */ - if (page_code != 0) { - c->Request.CDB[1] = 0x01; - c->Request.CDB[2] = page_code; - } - c->Request.CDBLen = 6; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_READ; - c->Request.Timeout = 0; - c->Request.CDB[0] = CISS_INQUIRY; - c->Request.CDB[4] = size & 0xFF; - break; - case CISS_REPORT_LOG: - case CISS_REPORT_PHYS: - /* Talking to controller so It's a physical command - mode = 00 target = 0. Nothing to write. - */ - c->Request.CDBLen = 12; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_READ; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; - c->Request.CDB[6] = (size >> 24) & 0xFF; /* MSB */ - c->Request.CDB[7] = (size >> 16) & 0xFF; - c->Request.CDB[8] = (size >> 8) & 0xFF; - c->Request.CDB[9] = size & 0xFF; - break; - - case CCISS_READ_CAPACITY: - c->Request.CDBLen = 10; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_READ; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; - break; - case CCISS_READ_CAPACITY_16: - c->Request.CDBLen = 16; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_READ; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; - c->Request.CDB[1] = 0x10; - c->Request.CDB[10] = (size >> 24) & 0xFF; - c->Request.CDB[11] = (size >> 16) & 0xFF; - c->Request.CDB[12] = (size >> 8) & 0xFF; - c->Request.CDB[13] = size & 0xFF; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; - break; - case CCISS_CACHE_FLUSH: - c->Request.CDBLen = 12; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_WRITE; - c->Request.Timeout = 0; - c->Request.CDB[0] = BMIC_WRITE; - c->Request.CDB[6] = BMIC_CACHE_FLUSH; - c->Request.CDB[7] = (size >> 8) & 0xFF; - c->Request.CDB[8] = size & 0xFF; - break; - case TEST_UNIT_READY: - c->Request.CDBLen = 6; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_NONE; - c->Request.Timeout = 0; - break; - default: - dev_warn(&h->pdev->dev, "Unknown Command 0x%c\n", cmd); - return IO_ERROR; - } - } else if (cmd_type == TYPE_MSG) { - switch (cmd) { - case CCISS_ABORT_MSG: - c->Request.CDBLen = 12; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_WRITE; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; /* abort */ - c->Request.CDB[1] = 0; /* abort a command */ - /* buff contains the tag of the command to abort */ - memcpy(&c->Request.CDB[4], buff, 8); - break; - case CCISS_RESET_MSG: - c->Request.CDBLen = 16; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_NONE; - c->Request.Timeout = 0; - memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB)); - c->Request.CDB[0] = cmd; /* reset */ - c->Request.CDB[1] = CCISS_RESET_TYPE_TARGET; - break; - case CCISS_NOOP_MSG: - c->Request.CDBLen = 1; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = XFER_WRITE; - c->Request.Timeout = 0; - c->Request.CDB[0] = cmd; - break; - default: - dev_warn(&h->pdev->dev, - "unknown message type %d\n", cmd); - return IO_ERROR; - } - } else { - dev_warn(&h->pdev->dev, "unknown command type %d\n", cmd_type); - return IO_ERROR; - } - /* Fill in the scatter gather information */ - if (size > 0) { - buff_dma_handle.val = (__u64) pci_map_single(h->pdev, - buff, size, - PCI_DMA_BIDIRECTIONAL); - c->SG[0].Addr.lower = buff_dma_handle.val32.lower; - c->SG[0].Addr.upper = buff_dma_handle.val32.upper; - c->SG[0].Len = size; - c->SG[0].Ext = 0; /* we are not chaining */ - } - return status; -} - -static int cciss_send_reset(ctlr_info_t *h, unsigned char *scsi3addr, - u8 reset_type) -{ - CommandList_struct *c; - int return_status; - - c = cmd_alloc(h); - if (!c) - return -ENOMEM; - return_status = fill_cmd(h, c, CCISS_RESET_MSG, NULL, 0, 0, - CTLR_LUNID, TYPE_MSG); - c->Request.CDB[1] = reset_type; /* fill_cmd defaults to target reset */ - if (return_status != IO_OK) { - cmd_special_free(h, c); - return return_status; - } - c->waiting = NULL; - enqueue_cmd_and_start_io(h, c); - /* Don't wait for completion, the reset won't complete. Don't free - * the command either. This is the last command we will send before - * re-initializing everything, so it doesn't matter and won't leak. - */ - return 0; -} - -static int check_target_status(ctlr_info_t *h, CommandList_struct *c) -{ - switch (c->err_info->ScsiStatus) { - case SAM_STAT_GOOD: - return IO_OK; - case SAM_STAT_CHECK_CONDITION: - switch (0xf & c->err_info->SenseInfo[2]) { - case 0: return IO_OK; /* no sense */ - case 1: return IO_OK; /* recovered error */ - default: - if (check_for_unit_attention(h, c)) - return IO_NEEDS_RETRY; - dev_warn(&h->pdev->dev, "cmd 0x%02x " - "check condition, sense key = 0x%02x\n", - c->Request.CDB[0], c->err_info->SenseInfo[2]); - } - break; - default: - dev_warn(&h->pdev->dev, "cmd 0x%02x" - "scsi status = 0x%02x\n", - c->Request.CDB[0], c->err_info->ScsiStatus); - break; - } - return IO_ERROR; -} - -static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c) -{ - int return_status = IO_OK; - - if (c->err_info->CommandStatus == CMD_SUCCESS) - return IO_OK; - - switch (c->err_info->CommandStatus) { - case CMD_TARGET_STATUS: - return_status = check_target_status(h, c); - break; - case CMD_DATA_UNDERRUN: - case CMD_DATA_OVERRUN: - /* expected for inquiry and report lun commands */ - break; - case CMD_INVALID: - dev_warn(&h->pdev->dev, "cmd 0x%02x is " - "reported invalid\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_PROTOCOL_ERR: - dev_warn(&h->pdev->dev, "cmd 0x%02x has " - "protocol error\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_HARDWARE_ERR: - dev_warn(&h->pdev->dev, "cmd 0x%02x had " - " hardware error\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_CONNECTION_LOST: - dev_warn(&h->pdev->dev, "cmd 0x%02x had " - "connection lost\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_ABORTED: - dev_warn(&h->pdev->dev, "cmd 0x%02x was " - "aborted\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_ABORT_FAILED: - dev_warn(&h->pdev->dev, "cmd 0x%02x reports " - "abort failed\n", c->Request.CDB[0]); - return_status = IO_ERROR; - break; - case CMD_UNSOLICITED_ABORT: - dev_warn(&h->pdev->dev, "unsolicited abort 0x%02x\n", - c->Request.CDB[0]); - return_status = IO_NEEDS_RETRY; - break; - case CMD_UNABORTABLE: - dev_warn(&h->pdev->dev, "cmd unabortable\n"); - return_status = IO_ERROR; - break; - default: - dev_warn(&h->pdev->dev, "cmd 0x%02x returned " - "unknown status %x\n", c->Request.CDB[0], - c->err_info->CommandStatus); - return_status = IO_ERROR; - } - return return_status; -} - -static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, - int attempt_retry) -{ - DECLARE_COMPLETION_ONSTACK(wait); - u64bit buff_dma_handle; - int return_status = IO_OK; - -resend_cmd2: - c->waiting = &wait; - enqueue_cmd_and_start_io(h, c); - - wait_for_completion(&wait); - - if (c->err_info->CommandStatus == 0 || !attempt_retry) - goto command_done; - - return_status = process_sendcmd_error(h, c); - - if (return_status == IO_NEEDS_RETRY && - c->retry_count < MAX_CMD_RETRIES) { - dev_warn(&h->pdev->dev, "retrying 0x%02x\n", - c->Request.CDB[0]); - c->retry_count++; - /* erase the old error information */ - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); - return_status = IO_OK; - reinit_completion(&wait); - goto resend_cmd2; - } - -command_done: - /* unlock the buffers from DMA */ - buff_dma_handle.val32.lower = c->SG[0].Addr.lower; - buff_dma_handle.val32.upper = c->SG[0].Addr.upper; - pci_unmap_single(h->pdev, (dma_addr_t) buff_dma_handle.val, - c->SG[0].Len, PCI_DMA_BIDIRECTIONAL); - return return_status; -} - -static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, - __u8 page_code, unsigned char scsi3addr[], - int cmd_type) -{ - CommandList_struct *c; - int return_status; - - c = cmd_special_alloc(h); - if (!c) - return -ENOMEM; - return_status = fill_cmd(h, c, cmd, buff, size, page_code, - scsi3addr, cmd_type); - if (return_status == IO_OK) - return_status = sendcmd_withirq_core(h, c, 1); - - cmd_special_free(h, c); - return return_status; -} - -static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, - sector_t total_size, - unsigned int block_size, - InquiryData_struct *inq_buff, - drive_info_struct *drv) -{ - int return_code; - unsigned long t; - unsigned char scsi3addr[8]; - - memset(inq_buff, 0, sizeof(InquiryData_struct)); - log_unit_to_scsi3addr(h, scsi3addr, logvol); - return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, - sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD); - if (return_code == IO_OK) { - if (inq_buff->data_byte[8] == 0xFF) { - dev_warn(&h->pdev->dev, - "reading geometry failed, volume " - "does not support reading geometry\n"); - drv->heads = 255; - drv->sectors = 32; /* Sectors per track */ - drv->cylinders = total_size + 1; - drv->raid_level = RAID_UNKNOWN; - } else { - drv->heads = inq_buff->data_byte[6]; - drv->sectors = inq_buff->data_byte[7]; - drv->cylinders = (inq_buff->data_byte[4] & 0xff) << 8; - drv->cylinders += inq_buff->data_byte[5]; - drv->raid_level = inq_buff->data_byte[8]; - } - drv->block_size = block_size; - drv->nr_blocks = total_size + 1; - t = drv->heads * drv->sectors; - if (t > 1) { - sector_t real_size = total_size + 1; - unsigned long rem = sector_div(real_size, t); - if (rem) - real_size++; - drv->cylinders = real_size; - } - } else { /* Get geometry failed */ - dev_warn(&h->pdev->dev, "reading geometry failed\n"); - } -} - -static void -cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size, - unsigned int *block_size) -{ - ReadCapdata_struct *buf; - int return_code; - unsigned char scsi3addr[8]; - - buf = kzalloc(sizeof(ReadCapdata_struct), GFP_KERNEL); - if (!buf) { - dev_warn(&h->pdev->dev, "out of memory\n"); - return; - } - - log_unit_to_scsi3addr(h, scsi3addr, logvol); - return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY, buf, - sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD); - if (return_code == IO_OK) { - *total_size = be32_to_cpu(*(__be32 *) buf->total_size); - *block_size = be32_to_cpu(*(__be32 *) buf->block_size); - } else { /* read capacity command failed */ - dev_warn(&h->pdev->dev, "read capacity failed\n"); - *total_size = 0; - *block_size = BLOCK_SIZE; - } - kfree(buf); -} - -static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, - sector_t *total_size, unsigned int *block_size) -{ - ReadCapdata_struct_16 *buf; - int return_code; - unsigned char scsi3addr[8]; - - buf = kzalloc(sizeof(ReadCapdata_struct_16), GFP_KERNEL); - if (!buf) { - dev_warn(&h->pdev->dev, "out of memory\n"); - return; - } - - log_unit_to_scsi3addr(h, scsi3addr, logvol); - return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY_16, - buf, sizeof(ReadCapdata_struct_16), - 0, scsi3addr, TYPE_CMD); - if (return_code == IO_OK) { - *total_size = be64_to_cpu(*(__be64 *) buf->total_size); - *block_size = be32_to_cpu(*(__be32 *) buf->block_size); - } else { /* read capacity command failed */ - dev_warn(&h->pdev->dev, "read capacity failed\n"); - *total_size = 0; - *block_size = BLOCK_SIZE; - } - dev_info(&h->pdev->dev, " blocks= %llu block_size= %d\n", - (unsigned long long)*total_size+1, *block_size); - kfree(buf); -} - -static int cciss_revalidate(struct gendisk *disk) -{ - ctlr_info_t *h = get_host(disk); - drive_info_struct *drv = get_drv(disk); - int logvol; - int FOUND = 0; - unsigned int block_size; - sector_t total_size; - InquiryData_struct *inq_buff = NULL; - - for (logvol = 0; logvol <= h->highest_lun; logvol++) { - if (!h->drv[logvol]) - continue; - if (memcmp(h->drv[logvol]->LunID, drv->LunID, - sizeof(drv->LunID)) == 0) { - FOUND = 1; - break; - } - } - - if (!FOUND) - return 1; - - inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL); - if (inq_buff == NULL) { - dev_warn(&h->pdev->dev, "out of memory\n"); - return 1; - } - if (h->cciss_read == CCISS_READ_10) { - cciss_read_capacity(h, logvol, - &total_size, &block_size); - } else { - cciss_read_capacity_16(h, logvol, - &total_size, &block_size); - } - cciss_geometry_inquiry(h, logvol, total_size, block_size, - inq_buff, drv); - - blk_queue_logical_block_size(drv->queue, drv->block_size); - set_capacity(disk, drv->nr_blocks); - - kfree(inq_buff); - return 0; -} - -/* - * Map (physical) PCI mem into (virtual) kernel space - */ -static void __iomem *remap_pci_mem(ulong base, ulong size) -{ - ulong page_base = ((ulong) base) & PAGE_MASK; - ulong page_offs = ((ulong) base) - page_base; - void __iomem *page_remapped = ioremap(page_base, page_offs + size); - - return page_remapped ? (page_remapped + page_offs) : NULL; -} - -/* - * Takes jobs of the Q and sends them to the hardware, then puts it on - * the Q to wait for completion. - */ -static void start_io(ctlr_info_t *h) -{ - CommandList_struct *c; - - while (!list_empty(&h->reqQ)) { - c = list_entry(h->reqQ.next, CommandList_struct, list); - /* can't do anything if fifo is full */ - if ((h->access.fifo_full(h))) { - dev_warn(&h->pdev->dev, "fifo full\n"); - break; - } - - /* Get the first entry from the Request Q */ - removeQ(c); - h->Qdepth--; - - /* Tell the controller execute command */ - h->access.submit_command(h, c); - - /* Put job onto the completed Q */ - addQ(&h->cmpQ, c); - } -} - -/* Assumes that h->lock is held. */ -/* Zeros out the error record and then resends the command back */ -/* to the controller */ -static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) -{ - /* erase the old error information */ - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); - - /* add it to software queue and then send it to the controller */ - addQ(&h->reqQ, c); - h->Qdepth++; - if (h->Qdepth > h->maxQsinceinit) - h->maxQsinceinit = h->Qdepth; - - start_io(h); -} - -static inline unsigned int make_status_bytes(unsigned int scsi_status_byte, - unsigned int msg_byte, unsigned int host_byte, - unsigned int driver_byte) -{ - /* inverse of macros in scsi.h */ - return (scsi_status_byte & 0xff) | - ((msg_byte & 0xff) << 8) | - ((host_byte & 0xff) << 16) | - ((driver_byte & 0xff) << 24); -} - -static inline int evaluate_target_status(ctlr_info_t *h, - CommandList_struct *cmd, int *retry_cmd) -{ - unsigned char sense_key; - unsigned char status_byte, msg_byte, host_byte, driver_byte; - int error_value; - - *retry_cmd = 0; - /* If we get in here, it means we got "target status", that is, scsi status */ - status_byte = cmd->err_info->ScsiStatus; - driver_byte = DRIVER_OK; - msg_byte = cmd->err_info->CommandStatus; /* correct? seems too device specific */ - - if (blk_rq_is_passthrough(cmd->rq)) - host_byte = DID_PASSTHROUGH; - else - host_byte = DID_OK; - - error_value = make_status_bytes(status_byte, msg_byte, - host_byte, driver_byte); - - if (cmd->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) { - if (!blk_rq_is_passthrough(cmd->rq)) - dev_warn(&h->pdev->dev, "cmd %p " - "has SCSI Status 0x%x\n", - cmd, cmd->err_info->ScsiStatus); - return error_value; - } - - /* check the sense key */ - sense_key = 0xf & cmd->err_info->SenseInfo[2]; - /* no status or recovered error */ - if (((sense_key == 0x0) || (sense_key == 0x1)) && - !blk_rq_is_passthrough(cmd->rq)) - error_value = 0; - - if (check_for_unit_attention(h, cmd)) { - *retry_cmd = !blk_rq_is_passthrough(cmd->rq); - return 0; - } - - /* Not SG_IO or similar? */ - if (!blk_rq_is_passthrough(cmd->rq)) { - if (error_value != 0) - dev_warn(&h->pdev->dev, "cmd %p has CHECK CONDITION" - " sense key = 0x%x\n", cmd, sense_key); - return error_value; - } - - scsi_req(cmd->rq)->sense_len = cmd->err_info->SenseLen; - return error_value; -} - -/* checks the status of the job and calls complete buffers to mark all - * buffers for the completed job. Note that this function does not need - * to hold the hba/queue lock. - */ -static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, - int timeout) -{ - int retry_cmd = 0; - struct request *rq = cmd->rq; - struct scsi_request *sreq = scsi_req(rq); - - sreq->result = 0; - - if (timeout) - sreq->result = make_status_bytes(0, 0, 0, DRIVER_TIMEOUT); - - if (cmd->err_info->CommandStatus == 0) /* no error has occurred */ - goto after_error_processing; - - switch (cmd->err_info->CommandStatus) { - case CMD_TARGET_STATUS: - sreq->result = evaluate_target_status(h, cmd, &retry_cmd); - break; - case CMD_DATA_UNDERRUN: - if (!blk_rq_is_passthrough(cmd->rq)) { - dev_warn(&h->pdev->dev, "cmd %p has" - " completed with data underrun " - "reported\n", cmd); - } - break; - case CMD_DATA_OVERRUN: - if (!blk_rq_is_passthrough(cmd->rq)) - dev_warn(&h->pdev->dev, "cciss: cmd %p has" - " completed with data overrun " - "reported\n", cmd); - break; - case CMD_INVALID: - dev_warn(&h->pdev->dev, "cciss: cmd %p is " - "reported invalid\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_PROTOCOL_ERR: - dev_warn(&h->pdev->dev, "cciss: cmd %p has " - "protocol error\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_HARDWARE_ERR: - dev_warn(&h->pdev->dev, "cciss: cmd %p had " - " hardware error\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_CONNECTION_LOST: - dev_warn(&h->pdev->dev, "cciss: cmd %p had " - "connection lost\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_ABORTED: - dev_warn(&h->pdev->dev, "cciss: cmd %p was " - "aborted\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ABORT); - break; - case CMD_ABORT_FAILED: - dev_warn(&h->pdev->dev, "cciss: cmd %p reports " - "abort failed\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_UNSOLICITED_ABORT: - dev_warn(&h->pdev->dev, "cciss%d: unsolicited " - "abort %p\n", h->ctlr, cmd); - if (cmd->retry_count < MAX_CMD_RETRIES) { - retry_cmd = 1; - dev_warn(&h->pdev->dev, "retrying %p\n", cmd); - cmd->retry_count++; - } else - dev_warn(&h->pdev->dev, - "%p retried too many times\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ABORT); - break; - case CMD_TIMEOUT: - dev_warn(&h->pdev->dev, "cmd %p timedout\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - case CMD_UNABORTABLE: - dev_warn(&h->pdev->dev, "cmd %p unabortable\n", cmd); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - break; - default: - dev_warn(&h->pdev->dev, "cmd %p returned " - "unknown status %x\n", cmd, - cmd->err_info->CommandStatus); - sreq->result = make_status_bytes(SAM_STAT_GOOD, - cmd->err_info->CommandStatus, DRIVER_OK, - blk_rq_is_passthrough(cmd->rq) ? - DID_PASSTHROUGH : DID_ERROR); - } - -after_error_processing: - - /* We need to return this command */ - if (retry_cmd) { - resend_cciss_cmd(h, cmd); - return; - } - cmd->rq->completion_data = cmd; - blk_complete_request(cmd->rq); -} - -static inline u32 cciss_tag_contains_index(u32 tag) -{ -#define DIRECT_LOOKUP_BIT 0x10 - return tag & DIRECT_LOOKUP_BIT; -} - -static inline u32 cciss_tag_to_index(u32 tag) -{ -#define DIRECT_LOOKUP_SHIFT 5 - return tag >> DIRECT_LOOKUP_SHIFT; -} - -static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag) -{ -#define CCISS_PERF_ERROR_BITS ((1 << DIRECT_LOOKUP_SHIFT) - 1) -#define CCISS_SIMPLE_ERROR_BITS 0x03 - if (likely(h->transMethod & CFGTBL_Trans_Performant)) - return tag & ~CCISS_PERF_ERROR_BITS; - return tag & ~CCISS_SIMPLE_ERROR_BITS; -} - -static inline void cciss_mark_tag_indexed(u32 *tag) -{ - *tag |= DIRECT_LOOKUP_BIT; -} - -static inline void cciss_set_tag_index(u32 *tag, u32 index) -{ - *tag |= (index << DIRECT_LOOKUP_SHIFT); -} - -/* - * Get a request and submit it to the controller. - */ -static void do_cciss_request(struct request_queue *q) -{ - ctlr_info_t *h = q->queuedata; - CommandList_struct *c; - sector_t start_blk; - int seg; - struct request *creq; - u64bit temp64; - struct scatterlist *tmp_sg; - SGDescriptor_struct *curr_sg; - drive_info_struct *drv; - int i, dir; - int sg_index = 0; - int chained = 0; - - queue: - creq = blk_peek_request(q); - if (!creq) - goto startio; - - BUG_ON(creq->nr_phys_segments > h->maxsgentries); - - c = cmd_alloc(h); - if (!c) - goto full; - - blk_start_request(creq); - - tmp_sg = h->scatter_list[c->cmdindex]; - spin_unlock_irq(q->queue_lock); - - c->cmd_type = CMD_RWREQ; - c->rq = creq; - - /* fill in the request */ - drv = creq->rq_disk->private_data; - c->Header.ReplyQueue = 0; /* unused in simple mode */ - /* got command from pool, so use the command block index instead */ - /* for direct lookups. */ - /* The first 2 bits are reserved for controller error reporting. */ - cciss_set_tag_index(&c->Header.Tag.lower, c->cmdindex); - cciss_mark_tag_indexed(&c->Header.Tag.lower); - memcpy(&c->Header.LUN, drv->LunID, sizeof(drv->LunID)); - c->Request.CDBLen = 10; /* 12 byte commands not in FW yet; */ - c->Request.Type.Type = TYPE_CMD; /* It is a command. */ - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = - (rq_data_dir(creq) == READ) ? XFER_READ : XFER_WRITE; - c->Request.Timeout = 0; /* Don't time out */ - c->Request.CDB[0] = - (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write; - start_blk = blk_rq_pos(creq); - dev_dbg(&h->pdev->dev, "sector =%d nr_sectors=%d\n", - (int)blk_rq_pos(creq), (int)blk_rq_sectors(creq)); - sg_init_table(tmp_sg, h->maxsgentries); - seg = blk_rq_map_sg(q, creq, tmp_sg); - - /* get the DMA records for the setup */ - if (c->Request.Type.Direction == XFER_READ) - dir = PCI_DMA_FROMDEVICE; - else - dir = PCI_DMA_TODEVICE; - - curr_sg = c->SG; - sg_index = 0; - chained = 0; - - for (i = 0; i < seg; i++) { - if (((sg_index+1) == (h->max_cmd_sgentries)) && - !chained && ((seg - i) > 1)) { - /* Point to next chain block. */ - curr_sg = h->cmd_sg_list[c->cmdindex]; - sg_index = 0; - chained = 1; - } - curr_sg[sg_index].Len = tmp_sg[i].length; - temp64.val = (__u64) pci_map_page(h->pdev, sg_page(&tmp_sg[i]), - tmp_sg[i].offset, - tmp_sg[i].length, dir); - if (dma_mapping_error(&h->pdev->dev, temp64.val)) { - dev_warn(&h->pdev->dev, - "%s: error mapping page for DMA\n", __func__); - scsi_req(creq)->result = - make_status_bytes(SAM_STAT_GOOD, 0, DRIVER_OK, - DID_SOFT_ERROR); - cmd_free(h, c); - return; - } - curr_sg[sg_index].Addr.lower = temp64.val32.lower; - curr_sg[sg_index].Addr.upper = temp64.val32.upper; - curr_sg[sg_index].Ext = 0; /* we are not chaining */ - ++sg_index; - } - if (chained) { - if (cciss_map_sg_chain_block(h, c, h->cmd_sg_list[c->cmdindex], - (seg - (h->max_cmd_sgentries - 1)) * - sizeof(SGDescriptor_struct))) { - scsi_req(creq)->result = - make_status_bytes(SAM_STAT_GOOD, 0, DRIVER_OK, - DID_SOFT_ERROR); - cmd_free(h, c); - return; - } - } - - /* track how many SG entries we are using */ - if (seg > h->maxSG) - h->maxSG = seg; - - dev_dbg(&h->pdev->dev, "Submitting %u sectors in %d segments " - "chained[%d]\n", - blk_rq_sectors(creq), seg, chained); - - c->Header.SGTotal = seg + chained; - if (seg <= h->max_cmd_sgentries) - c->Header.SGList = c->Header.SGTotal; - else - c->Header.SGList = h->max_cmd_sgentries; - set_performant_mode(h, c); - - switch (req_op(creq)) { - case REQ_OP_READ: - case REQ_OP_WRITE: - if(h->cciss_read == CCISS_READ_10) { - c->Request.CDB[1] = 0; - c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */ - c->Request.CDB[3] = (start_blk >> 16) & 0xff; - c->Request.CDB[4] = (start_blk >> 8) & 0xff; - c->Request.CDB[5] = start_blk & 0xff; - c->Request.CDB[6] = 0; /* (sect >> 24) & 0xff; MSB */ - c->Request.CDB[7] = (blk_rq_sectors(creq) >> 8) & 0xff; - c->Request.CDB[8] = blk_rq_sectors(creq) & 0xff; - c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0; - } else { - u32 upper32 = upper_32_bits(start_blk); - - c->Request.CDBLen = 16; - c->Request.CDB[1]= 0; - c->Request.CDB[2]= (upper32 >> 24) & 0xff; /* MSB */ - c->Request.CDB[3]= (upper32 >> 16) & 0xff; - c->Request.CDB[4]= (upper32 >> 8) & 0xff; - c->Request.CDB[5]= upper32 & 0xff; - c->Request.CDB[6]= (start_blk >> 24) & 0xff; - c->Request.CDB[7]= (start_blk >> 16) & 0xff; - c->Request.CDB[8]= (start_blk >> 8) & 0xff; - c->Request.CDB[9]= start_blk & 0xff; - c->Request.CDB[10]= (blk_rq_sectors(creq) >> 24) & 0xff; - c->Request.CDB[11]= (blk_rq_sectors(creq) >> 16) & 0xff; - c->Request.CDB[12]= (blk_rq_sectors(creq) >> 8) & 0xff; - c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff; - c->Request.CDB[14] = c->Request.CDB[15] = 0; - } - break; - case REQ_OP_SCSI_IN: - case REQ_OP_SCSI_OUT: - c->Request.CDBLen = scsi_req(creq)->cmd_len; - memcpy(c->Request.CDB, scsi_req(creq)->cmd, BLK_MAX_CDB); - scsi_req(creq)->sense = c->err_info->SenseInfo; - break; - default: - dev_warn(&h->pdev->dev, "bad request type %d\n", - creq->cmd_flags); - BUG(); - } - - spin_lock_irq(q->queue_lock); - - addQ(&h->reqQ, c); - h->Qdepth++; - if (h->Qdepth > h->maxQsinceinit) - h->maxQsinceinit = h->Qdepth; - - goto queue; -full: - blk_stop_queue(q); -startio: - /* We will already have the driver lock here so not need - * to lock it. - */ - start_io(h); -} - -static inline unsigned long get_next_completion(ctlr_info_t *h) -{ - return h->access.command_completed(h); -} - -static inline int interrupt_pending(ctlr_info_t *h) -{ - return h->access.intr_pending(h); -} - -static inline long interrupt_not_for_us(ctlr_info_t *h) -{ - return ((h->access.intr_pending(h) == 0) || - (h->interrupts_enabled == 0)); -} - -static inline int bad_tag(ctlr_info_t *h, u32 tag_index, - u32 raw_tag) -{ - if (unlikely(tag_index >= h->nr_cmds)) { - dev_warn(&h->pdev->dev, "bad tag 0x%08x ignored.\n", raw_tag); - return 1; - } - return 0; -} - -static inline void finish_cmd(ctlr_info_t *h, CommandList_struct *c, - u32 raw_tag) -{ - removeQ(c); - if (likely(c->cmd_type == CMD_RWREQ)) - complete_command(h, c, 0); - else if (c->cmd_type == CMD_IOCTL_PEND) - complete(c->waiting); -#ifdef CONFIG_CISS_SCSI_TAPE - else if (c->cmd_type == CMD_SCSI) - complete_scsi_command(c, 0, raw_tag); -#endif -} - -static inline u32 next_command(ctlr_info_t *h) -{ - u32 a; - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) - return h->access.command_completed(h); - - if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { - a = *(h->reply_pool_head); /* Next cmd in ring buffer */ - (h->reply_pool_head)++; - h->commands_outstanding--; - } else { - a = FIFO_EMPTY; - } - /* Check for wraparound */ - if (h->reply_pool_head == (h->reply_pool + h->max_commands)) { - h->reply_pool_head = h->reply_pool; - h->reply_pool_wraparound ^= 1; - } - return a; -} - -/* process completion of an indexed ("direct lookup") command */ -static inline u32 process_indexed_cmd(ctlr_info_t *h, u32 raw_tag) -{ - u32 tag_index; - CommandList_struct *c; - - tag_index = cciss_tag_to_index(raw_tag); - if (bad_tag(h, tag_index, raw_tag)) - return next_command(h); - c = h->cmd_pool + tag_index; - finish_cmd(h, c, raw_tag); - return next_command(h); -} - -/* process completion of a non-indexed command */ -static inline u32 process_nonindexed_cmd(ctlr_info_t *h, u32 raw_tag) -{ - CommandList_struct *c = NULL; - __u32 busaddr_masked, tag_masked; - - tag_masked = cciss_tag_discard_error_bits(h, raw_tag); - list_for_each_entry(c, &h->cmpQ, list) { - busaddr_masked = cciss_tag_discard_error_bits(h, c->busaddr); - if (busaddr_masked == tag_masked) { - finish_cmd(h, c, raw_tag); - return next_command(h); - } - } - bad_tag(h, h->nr_cmds + 1, raw_tag); - return next_command(h); -} - -/* Some controllers, like p400, will give us one interrupt - * after a soft reset, even if we turned interrupts off. - * Only need to check for this in the cciss_xxx_discard_completions - * functions. - */ -static int ignore_bogus_interrupt(ctlr_info_t *h) -{ - if (likely(!reset_devices)) - return 0; - - if (likely(h->interrupts_enabled)) - return 0; - - dev_info(&h->pdev->dev, "Received interrupt while interrupts disabled " - "(known firmware bug.) Ignoring.\n"); - - return 1; -} - -static irqreturn_t cciss_intx_discard_completions(int irq, void *dev_id) -{ - ctlr_info_t *h = dev_id; - unsigned long flags; - u32 raw_tag; - - if (ignore_bogus_interrupt(h)) - return IRQ_NONE; - - if (interrupt_not_for_us(h)) - return IRQ_NONE; - spin_lock_irqsave(&h->lock, flags); - while (interrupt_pending(h)) { - raw_tag = get_next_completion(h); - while (raw_tag != FIFO_EMPTY) - raw_tag = next_command(h); - } - spin_unlock_irqrestore(&h->lock, flags); - return IRQ_HANDLED; -} - -static irqreturn_t cciss_msix_discard_completions(int irq, void *dev_id) -{ - ctlr_info_t *h = dev_id; - unsigned long flags; - u32 raw_tag; - - if (ignore_bogus_interrupt(h)) - return IRQ_NONE; - - spin_lock_irqsave(&h->lock, flags); - raw_tag = get_next_completion(h); - while (raw_tag != FIFO_EMPTY) - raw_tag = next_command(h); - spin_unlock_irqrestore(&h->lock, flags); - return IRQ_HANDLED; -} - -static irqreturn_t do_cciss_intx(int irq, void *dev_id) -{ - ctlr_info_t *h = dev_id; - unsigned long flags; - u32 raw_tag; - - if (interrupt_not_for_us(h)) - return IRQ_NONE; - spin_lock_irqsave(&h->lock, flags); - while (interrupt_pending(h)) { - raw_tag = get_next_completion(h); - while (raw_tag != FIFO_EMPTY) { - if (cciss_tag_contains_index(raw_tag)) - raw_tag = process_indexed_cmd(h, raw_tag); - else - raw_tag = process_nonindexed_cmd(h, raw_tag); - } - } - spin_unlock_irqrestore(&h->lock, flags); - return IRQ_HANDLED; -} - -/* Add a second interrupt handler for MSI/MSI-X mode. In this mode we never - * check the interrupt pending register because it is not set. - */ -static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id) -{ - ctlr_info_t *h = dev_id; - unsigned long flags; - u32 raw_tag; - - spin_lock_irqsave(&h->lock, flags); - raw_tag = get_next_completion(h); - while (raw_tag != FIFO_EMPTY) { - if (cciss_tag_contains_index(raw_tag)) - raw_tag = process_indexed_cmd(h, raw_tag); - else - raw_tag = process_nonindexed_cmd(h, raw_tag); - } - spin_unlock_irqrestore(&h->lock, flags); - return IRQ_HANDLED; -} - -/** - * add_to_scan_list() - add controller to rescan queue - * @h: Pointer to the controller. - * - * Adds the controller to the rescan queue if not already on the queue. - * - * returns 1 if added to the queue, 0 if skipped (could be on the - * queue already, or the controller could be initializing or shutting - * down). - **/ -static int add_to_scan_list(struct ctlr_info *h) -{ - struct ctlr_info *test_h; - int found = 0; - int ret = 0; - - if (h->busy_initializing) - return 0; - - if (!mutex_trylock(&h->busy_shutting_down)) - return 0; - - mutex_lock(&scan_mutex); - list_for_each_entry(test_h, &scan_q, scan_list) { - if (test_h == h) { - found = 1; - break; - } - } - if (!found && !h->busy_scanning) { - reinit_completion(&h->scan_wait); - list_add_tail(&h->scan_list, &scan_q); - ret = 1; - } - mutex_unlock(&scan_mutex); - mutex_unlock(&h->busy_shutting_down); - - return ret; -} - -/** - * remove_from_scan_list() - remove controller from rescan queue - * @h: Pointer to the controller. - * - * Removes the controller from the rescan queue if present. Blocks if - * the controller is currently conducting a rescan. The controller - * can be in one of three states: - * 1. Doesn't need a scan - * 2. On the scan list, but not scanning yet (we remove it) - * 3. Busy scanning (and not on the list). In this case we want to wait for - * the scan to complete to make sure the scanning thread for this - * controller is completely idle. - **/ -static void remove_from_scan_list(struct ctlr_info *h) -{ - struct ctlr_info *test_h, *tmp_h; - - mutex_lock(&scan_mutex); - list_for_each_entry_safe(test_h, tmp_h, &scan_q, scan_list) { - if (test_h == h) { /* state 2. */ - list_del(&h->scan_list); - complete_all(&h->scan_wait); - mutex_unlock(&scan_mutex); - return; - } - } - if (h->busy_scanning) { /* state 3. */ - mutex_unlock(&scan_mutex); - wait_for_completion(&h->scan_wait); - } else { /* state 1, nothing to do. */ - mutex_unlock(&scan_mutex); - } -} - -/** - * scan_thread() - kernel thread used to rescan controllers - * @data: Ignored. - * - * A kernel thread used scan for drive topology changes on - * controllers. The thread processes only one controller at a time - * using a queue. Controllers are added to the queue using - * add_to_scan_list() and removed from the queue either after done - * processing or using remove_from_scan_list(). - * - * returns 0. - **/ -static int scan_thread(void *data) -{ - struct ctlr_info *h; - - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - if (kthread_should_stop()) - break; - - while (1) { - mutex_lock(&scan_mutex); - if (list_empty(&scan_q)) { - mutex_unlock(&scan_mutex); - break; - } - - h = list_entry(scan_q.next, - struct ctlr_info, - scan_list); - list_del(&h->scan_list); - h->busy_scanning = 1; - mutex_unlock(&scan_mutex); - - rebuild_lun_table(h, 0, 0); - complete_all(&h->scan_wait); - mutex_lock(&scan_mutex); - h->busy_scanning = 0; - mutex_unlock(&scan_mutex); - } - } - - return 0; -} - -static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c) -{ - if (c->err_info->SenseInfo[2] != UNIT_ATTENTION) - return 0; - - switch (c->err_info->SenseInfo[12]) { - case STATE_CHANGED: - dev_warn(&h->pdev->dev, "a state change " - "detected, command retried\n"); - return 1; - break; - case LUN_FAILED: - dev_warn(&h->pdev->dev, "LUN failure " - "detected, action required\n"); - return 1; - break; - case REPORT_LUNS_CHANGED: - dev_warn(&h->pdev->dev, "report LUN data changed\n"); - /* - * Here, we could call add_to_scan_list and wake up the scan thread, - * except that it's quite likely that we will get more than one - * REPORT_LUNS_CHANGED condition in quick succession, which means - * that those which occur after the first one will likely happen - * *during* the scan_thread's rescan. And the rescan code is not - * robust enough to restart in the middle, undoing what it has already - * done, and it's not clear that it's even possible to do this, since - * part of what it does is notify the block layer, which starts - * doing it's own i/o to read partition tables and so on, and the - * driver doesn't have visibility to know what might need undoing. - * In any event, if possible, it is horribly complicated to get right - * so we just don't do it for now. - * - * Note: this REPORT_LUNS_CHANGED condition only occurs on the MSA2012. - */ - return 1; - break; - case POWER_OR_RESET: - dev_warn(&h->pdev->dev, - "a power on or device reset detected\n"); - return 1; - break; - case UNIT_ATTENTION_CLEARED: - dev_warn(&h->pdev->dev, - "unit attention cleared by another initiator\n"); - return 1; - break; - default: - dev_warn(&h->pdev->dev, "unknown unit attention detected\n"); - return 1; - } -} - -/* - * We cannot read the structure directly, for portability we must use - * the io functions. - * This is for debug only. - */ -static void print_cfg_table(ctlr_info_t *h) -{ - int i; - char temp_name[17]; - CfgTable_struct *tb = h->cfgtable; - - dev_dbg(&h->pdev->dev, "Controller Configuration information\n"); - dev_dbg(&h->pdev->dev, "------------------------------------\n"); - for (i = 0; i < 4; i++) - temp_name[i] = readb(&(tb->Signature[i])); - temp_name[4] = '\0'; - dev_dbg(&h->pdev->dev, " Signature = %s\n", temp_name); - dev_dbg(&h->pdev->dev, " Spec Number = %d\n", - readl(&(tb->SpecValence))); - dev_dbg(&h->pdev->dev, " Transport methods supported = 0x%x\n", - readl(&(tb->TransportSupport))); - dev_dbg(&h->pdev->dev, " Transport methods active = 0x%x\n", - readl(&(tb->TransportActive))); - dev_dbg(&h->pdev->dev, " Requested transport Method = 0x%x\n", - readl(&(tb->HostWrite.TransportRequest))); - dev_dbg(&h->pdev->dev, " Coalesce Interrupt Delay = 0x%x\n", - readl(&(tb->HostWrite.CoalIntDelay))); - dev_dbg(&h->pdev->dev, " Coalesce Interrupt Count = 0x%x\n", - readl(&(tb->HostWrite.CoalIntCount))); - dev_dbg(&h->pdev->dev, " Max outstanding commands = 0x%x\n", - readl(&(tb->CmdsOutMax))); - dev_dbg(&h->pdev->dev, " Bus Types = 0x%x\n", - readl(&(tb->BusTypes))); - for (i = 0; i < 16; i++) - temp_name[i] = readb(&(tb->ServerName[i])); - temp_name[16] = '\0'; - dev_dbg(&h->pdev->dev, " Server Name = %s\n", temp_name); - dev_dbg(&h->pdev->dev, " Heartbeat Counter = 0x%x\n\n\n", - readl(&(tb->HeartBeat))); -} - -static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr) -{ - int i, offset, mem_type, bar_type; - if (pci_bar_addr == PCI_BASE_ADDRESS_0) /* looking for BAR zero? */ - return 0; - offset = 0; - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - bar_type = pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE; - if (bar_type == PCI_BASE_ADDRESS_SPACE_IO) - offset += 4; - else { - mem_type = pci_resource_flags(pdev, i) & - PCI_BASE_ADDRESS_MEM_TYPE_MASK; - switch (mem_type) { - case PCI_BASE_ADDRESS_MEM_TYPE_32: - case PCI_BASE_ADDRESS_MEM_TYPE_1M: - offset += 4; /* 32 bit */ - break; - case PCI_BASE_ADDRESS_MEM_TYPE_64: - offset += 8; - break; - default: /* reserved in PCI 2.2 */ - dev_warn(&pdev->dev, - "Base address is invalid\n"); - return -1; - break; - } - } - if (offset == pci_bar_addr - PCI_BASE_ADDRESS_0) - return i + 1; - } - return -1; -} - -/* Fill in bucket_map[], given nsgs (the max number of - * scatter gather elements supported) and bucket[], - * which is an array of 8 integers. The bucket[] array - * contains 8 different DMA transfer sizes (in 16 - * byte increments) which the controller uses to fetch - * commands. This function fills in bucket_map[], which - * maps a given number of scatter gather elements to one of - * the 8 DMA transfer sizes. The point of it is to allow the - * controller to only do as much DMA as needed to fetch the - * command, with the DMA transfer size encoded in the lower - * bits of the command address. - */ -static void calc_bucket_map(int bucket[], int num_buckets, - int nsgs, int *bucket_map) -{ - int i, j, b, size; - - /* even a command with 0 SGs requires 4 blocks */ -#define MINIMUM_TRANSFER_BLOCKS 4 -#define NUM_BUCKETS 8 - /* Note, bucket_map must have nsgs+1 entries. */ - for (i = 0; i <= nsgs; i++) { - /* Compute size of a command with i SG entries */ - size = i + MINIMUM_TRANSFER_BLOCKS; - b = num_buckets; /* Assume the biggest bucket */ - /* Find the bucket that is just big enough */ - for (j = 0; j < 8; j++) { - if (bucket[j] >= size) { - b = j; - break; - } - } - /* for a command with i SG entries, use bucket b. */ - bucket_map[i] = b; - } -} - -static void cciss_wait_for_mode_change_ack(ctlr_info_t *h) -{ - int i; - - /* under certain very rare conditions, this can take awhile. - * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right - * as we enter this code.) */ - for (i = 0; i < MAX_CONFIG_WAIT; i++) { - if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) - break; - usleep_range(10000, 20000); - } -} - -static void cciss_enter_performant_mode(ctlr_info_t *h, u32 use_short_tags) -{ - /* This is a bit complicated. There are 8 registers on - * the controller which we write to to tell it 8 different - * sizes of commands which there may be. It's a way of - * reducing the DMA done to fetch each command. Encoded into - * each command's tag are 3 bits which communicate to the controller - * which of the eight sizes that command fits within. The size of - * each command depends on how many scatter gather entries there are. - * Each SG entry requires 16 bytes. The eight registers are programmed - * with the number of 16-byte blocks a command of that size requires. - * The smallest command possible requires 5 such 16 byte blocks. - * the largest command possible requires MAXSGENTRIES + 4 16-byte - * blocks. Note, this only extends to the SG entries contained - * within the command block, and does not extend to chained blocks - * of SG elements. bft[] contains the eight values we write to - * the registers. They are not evenly distributed, but have more - * sizes for small commands, and fewer sizes for larger commands. - */ - __u32 trans_offset; - int bft[8] = { 5, 6, 8, 10, 12, 20, 28, MAXSGENTRIES + 4}; - /* - * 5 = 1 s/g entry or 4k - * 6 = 2 s/g entry or 8k - * 8 = 4 s/g entry or 16k - * 10 = 6 s/g entry or 24k - */ - unsigned long register_value; - BUILD_BUG_ON(28 > MAXSGENTRIES + 4); - - h->reply_pool_wraparound = 1; /* spec: init to 1 */ - - /* Controller spec: zero out this buffer. */ - memset(h->reply_pool, 0, h->max_commands * sizeof(__u64)); - h->reply_pool_head = h->reply_pool; - - trans_offset = readl(&(h->cfgtable->TransMethodOffset)); - calc_bucket_map(bft, ARRAY_SIZE(bft), h->maxsgentries, - h->blockFetchTable); - writel(bft[0], &h->transtable->BlockFetch0); - writel(bft[1], &h->transtable->BlockFetch1); - writel(bft[2], &h->transtable->BlockFetch2); - writel(bft[3], &h->transtable->BlockFetch3); - writel(bft[4], &h->transtable->BlockFetch4); - writel(bft[5], &h->transtable->BlockFetch5); - writel(bft[6], &h->transtable->BlockFetch6); - writel(bft[7], &h->transtable->BlockFetch7); - - /* size of controller ring buffer */ - writel(h->max_commands, &h->transtable->RepQSize); - writel(1, &h->transtable->RepQCount); - writel(0, &h->transtable->RepQCtrAddrLow32); - writel(0, &h->transtable->RepQCtrAddrHigh32); - writel(h->reply_pool_dhandle, &h->transtable->RepQAddr0Low32); - writel(0, &h->transtable->RepQAddr0High32); - writel(CFGTBL_Trans_Performant | use_short_tags, - &(h->cfgtable->HostWrite.TransportRequest)); - - writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); - cciss_wait_for_mode_change_ack(h); - register_value = readl(&(h->cfgtable->TransportActive)); - if (!(register_value & CFGTBL_Trans_Performant)) - dev_warn(&h->pdev->dev, "cciss: unable to get board into" - " performant mode\n"); -} - -static void cciss_put_controller_into_performant_mode(ctlr_info_t *h) -{ - __u32 trans_support; - - if (cciss_simple_mode) - return; - - dev_dbg(&h->pdev->dev, "Trying to put board into Performant mode\n"); - /* Attempt to put controller into performant mode if supported */ - /* Does board support performant mode? */ - trans_support = readl(&(h->cfgtable->TransportSupport)); - if (!(trans_support & PERFORMANT_MODE)) - return; - - dev_dbg(&h->pdev->dev, "Placing controller into performant mode\n"); - /* Performant mode demands commands on a 32 byte boundary - * pci_alloc_consistent aligns on page boundarys already. - * Just need to check if divisible by 32 - */ - if ((sizeof(CommandList_struct) % 32) != 0) { - dev_warn(&h->pdev->dev, "%s %d %s\n", - "cciss info: command size[", - (int)sizeof(CommandList_struct), - "] not divisible by 32, no performant mode..\n"); - return; - } - - /* Performant mode ring buffer and supporting data structures */ - h->reply_pool = (__u64 *)pci_alloc_consistent( - h->pdev, h->max_commands * sizeof(__u64), - &(h->reply_pool_dhandle)); - - /* Need a block fetch table for performant mode */ - h->blockFetchTable = kmalloc(((h->maxsgentries+1) * - sizeof(__u32)), GFP_KERNEL); - - if ((h->reply_pool == NULL) || (h->blockFetchTable == NULL)) - goto clean_up; - - cciss_enter_performant_mode(h, - trans_support & CFGTBL_Trans_use_short_tags); - - /* Change the access methods to the performant access methods */ - h->access = SA5_performant_access; - h->transMethod = CFGTBL_Trans_Performant; - - return; -clean_up: - kfree(h->blockFetchTable); - if (h->reply_pool) - pci_free_consistent(h->pdev, - h->max_commands * sizeof(__u64), - h->reply_pool, - h->reply_pool_dhandle); - return; - -} /* cciss_put_controller_into_performant_mode */ - -/* If MSI/MSI-X is supported by the kernel we will try to enable it on - * controllers that are capable. If not, we use IO-APIC mode. - */ - -static void cciss_interrupt_mode(ctlr_info_t *h) -{ - int ret; - - /* Some boards advertise MSI but don't really support it */ - if ((h->board_id == 0x40700E11) || (h->board_id == 0x40800E11) || - (h->board_id == 0x40820E11) || (h->board_id == 0x40830E11)) - goto default_int_mode; - - ret = pci_alloc_irq_vectors(h->pdev, 4, 4, PCI_IRQ_MSIX); - if (ret >= 0) { - h->intr[0] = pci_irq_vector(h->pdev, 0); - h->intr[1] = pci_irq_vector(h->pdev, 1); - h->intr[2] = pci_irq_vector(h->pdev, 2); - h->intr[3] = pci_irq_vector(h->pdev, 3); - return; - } - - ret = pci_alloc_irq_vectors(h->pdev, 1, 1, PCI_IRQ_MSI); - -default_int_mode: - /* if we get here we're going to use the default interrupt mode */ - h->intr[h->intr_mode] = pci_irq_vector(h->pdev, 0); - return; -} - -static int cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) -{ - int i; - u32 subsystem_vendor_id, subsystem_device_id; - - subsystem_vendor_id = pdev->subsystem_vendor; - subsystem_device_id = pdev->subsystem_device; - *board_id = ((subsystem_device_id << 16) & 0xffff0000) | - subsystem_vendor_id; - - for (i = 0; i < ARRAY_SIZE(products); i++) { - /* Stand aside for hpsa driver on request */ - if (cciss_allow_hpsa) - return -ENODEV; - if (*board_id == products[i].board_id) - return i; - } - dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n", - *board_id); - return -ENODEV; -} - -static inline bool cciss_board_disabled(ctlr_info_t *h) -{ - u16 command; - - (void) pci_read_config_word(h->pdev, PCI_COMMAND, &command); - return ((command & PCI_COMMAND_MEMORY) == 0); -} - -static int cciss_pci_find_memory_BAR(struct pci_dev *pdev, - unsigned long *memory_bar) -{ - int i; - - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) - if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { - /* addressing mode bits already removed */ - *memory_bar = pci_resource_start(pdev, i); - dev_dbg(&pdev->dev, "memory BAR = %lx\n", - *memory_bar); - return 0; - } - dev_warn(&pdev->dev, "no memory BAR found\n"); - return -ENODEV; -} - -static int cciss_wait_for_board_state(struct pci_dev *pdev, - void __iomem *vaddr, int wait_for_ready) -#define BOARD_READY 1 -#define BOARD_NOT_READY 0 -{ - int i, iterations; - u32 scratchpad; - - if (wait_for_ready) - iterations = CCISS_BOARD_READY_ITERATIONS; - else - iterations = CCISS_BOARD_NOT_READY_ITERATIONS; - - for (i = 0; i < iterations; i++) { - scratchpad = readl(vaddr + SA5_SCRATCHPAD_OFFSET); - if (wait_for_ready) { - if (scratchpad == CCISS_FIRMWARE_READY) - return 0; - } else { - if (scratchpad != CCISS_FIRMWARE_READY) - return 0; - } - msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS); - } - dev_warn(&pdev->dev, "board not ready, timed out.\n"); - return -ENODEV; -} - -static int cciss_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr, - u32 *cfg_base_addr, u64 *cfg_base_addr_index, - u64 *cfg_offset) -{ - *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET); - *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET); - *cfg_base_addr &= (u32) 0x0000ffff; - *cfg_base_addr_index = find_PCI_BAR_index(pdev, *cfg_base_addr); - if (*cfg_base_addr_index == -1) { - dev_warn(&pdev->dev, "cannot find cfg_base_addr_index, " - "*cfg_base_addr = 0x%08x\n", *cfg_base_addr); - return -ENODEV; - } - return 0; -} - -static int cciss_find_cfgtables(ctlr_info_t *h) -{ - u64 cfg_offset; - u32 cfg_base_addr; - u64 cfg_base_addr_index; - u32 trans_offset; - int rc; - - rc = cciss_find_cfg_addrs(h->pdev, h->vaddr, &cfg_base_addr, - &cfg_base_addr_index, &cfg_offset); - if (rc) - return rc; - h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev, - cfg_base_addr_index) + cfg_offset, sizeof(*h->cfgtable)); - if (!h->cfgtable) - return -ENOMEM; - rc = write_driver_ver_to_cfgtable(h->cfgtable); - if (rc) - return rc; - /* Find performant mode table. */ - trans_offset = readl(&h->cfgtable->TransMethodOffset); - h->transtable = remap_pci_mem(pci_resource_start(h->pdev, - cfg_base_addr_index)+cfg_offset+trans_offset, - sizeof(*h->transtable)); - if (!h->transtable) - return -ENOMEM; - return 0; -} - -static void cciss_get_max_perf_mode_cmds(struct ctlr_info *h) -{ - h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); - - /* Limit commands in memory limited kdump scenario. */ - if (reset_devices && h->max_commands > 32) - h->max_commands = 32; - - if (h->max_commands < 16) { - dev_warn(&h->pdev->dev, "Controller reports " - "max supported commands of %d, an obvious lie. " - "Using 16. Ensure that firmware is up to date.\n", - h->max_commands); - h->max_commands = 16; - } -} - -/* Interrogate the hardware for some limits: - * max commands, max SG elements without chaining, and with chaining, - * SG chain block size, etc. - */ -static void cciss_find_board_params(ctlr_info_t *h) -{ - cciss_get_max_perf_mode_cmds(h); - h->nr_cmds = h->max_commands - 4 - cciss_tape_cmds; - h->maxsgentries = readl(&(h->cfgtable->MaxSGElements)); - /* - * The P600 may exhibit poor performnace under some workloads - * if we use the value in the configuration table. Limit this - * controller to MAXSGENTRIES (32) instead. - */ - if (h->board_id == 0x3225103C) - h->maxsgentries = MAXSGENTRIES; - /* - * Limit in-command s/g elements to 32 save dma'able memory. - * Howvever spec says if 0, use 31 - */ - h->max_cmd_sgentries = 31; - if (h->maxsgentries > 512) { - h->max_cmd_sgentries = 32; - h->chainsize = h->maxsgentries - h->max_cmd_sgentries + 1; - h->maxsgentries--; /* save one for chain pointer */ - } else { - h->maxsgentries = 31; /* default to traditional values */ - h->chainsize = 0; - } -} - -static inline bool CISS_signature_present(ctlr_info_t *h) -{ - if (!check_signature(h->cfgtable->Signature, "CISS", 4)) { - dev_warn(&h->pdev->dev, "not a valid CISS config table\n"); - return false; - } - return true; -} - -/* Need to enable prefetch in the SCSI core for 6400 in x86 */ -static inline void cciss_enable_scsi_prefetch(ctlr_info_t *h) -{ -#ifdef CONFIG_X86 - u32 prefetch; - - prefetch = readl(&(h->cfgtable->SCSI_Prefetch)); - prefetch |= 0x100; - writel(prefetch, &(h->cfgtable->SCSI_Prefetch)); -#endif -} - -/* Disable DMA prefetch for the P600. Otherwise an ASIC bug may result - * in a prefetch beyond physical memory. - */ -static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h) -{ - u32 dma_prefetch; - __u32 dma_refetch; - - if (h->board_id != 0x3225103C) - return; - dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG); - dma_prefetch |= 0x8000; - writel(dma_prefetch, h->vaddr + I2O_DMA1_CFG); - pci_read_config_dword(h->pdev, PCI_COMMAND_PARITY, &dma_refetch); - dma_refetch |= 0x1; - pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch); -} - -static int cciss_pci_init(ctlr_info_t *h) -{ - int prod_index, err; - - prod_index = cciss_lookup_board_id(h->pdev, &h->board_id); - if (prod_index < 0) - return -ENODEV; - h->product_name = products[prod_index].product_name; - h->access = *(products[prod_index].access); - - if (cciss_board_disabled(h)) { - dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); - return -ENODEV; - } - - pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | - PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); - - err = pci_enable_device(h->pdev); - if (err) { - dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n"); - return err; - } - - err = pci_request_regions(h->pdev, "cciss"); - if (err) { - dev_warn(&h->pdev->dev, - "Cannot obtain PCI resources, aborting\n"); - return err; - } - - dev_dbg(&h->pdev->dev, "irq = %x\n", h->pdev->irq); - dev_dbg(&h->pdev->dev, "board_id = %x\n", h->board_id); - -/* If the kernel supports MSI/MSI-X we will try to enable that functionality, - * else we use the IO-APIC interrupt assigned to us by system ROM. - */ - cciss_interrupt_mode(h); - err = cciss_pci_find_memory_BAR(h->pdev, &h->paddr); - if (err) - goto err_out_free_res; - h->vaddr = remap_pci_mem(h->paddr, 0x250); - if (!h->vaddr) { - err = -ENOMEM; - goto err_out_free_res; - } - err = cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY); - if (err) - goto err_out_free_res; - err = cciss_find_cfgtables(h); - if (err) - goto err_out_free_res; - print_cfg_table(h); - cciss_find_board_params(h); - - if (!CISS_signature_present(h)) { - err = -ENODEV; - goto err_out_free_res; - } - cciss_enable_scsi_prefetch(h); - cciss_p600_dma_prefetch_quirk(h); - err = cciss_enter_simple_mode(h); - if (err) - goto err_out_free_res; - cciss_put_controller_into_performant_mode(h); - return 0; - -err_out_free_res: - /* - * Deliberately omit pci_disable_device(): it does something nasty to - * Smart Array controllers that pci_enable_device does not undo - */ - if (h->transtable) - iounmap(h->transtable); - if (h->cfgtable) - iounmap(h->cfgtable); - if (h->vaddr) - iounmap(h->vaddr); - pci_release_regions(h->pdev); - return err; -} - -/* Function to find the first free pointer into our hba[] array - * Returns -1 if no free entries are left. - */ -static int alloc_cciss_hba(struct pci_dev *pdev) -{ - int i; - - for (i = 0; i < MAX_CTLR; i++) { - if (!hba[i]) { - ctlr_info_t *h; - - h = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); - if (!h) - goto Enomem; - hba[i] = h; - return i; - } - } - dev_warn(&pdev->dev, "This driver supports a maximum" - " of %d controllers.\n", MAX_CTLR); - return -1; -Enomem: - dev_warn(&pdev->dev, "out of memory.\n"); - return -1; -} - -static void free_hba(ctlr_info_t *h) -{ - int i; - - hba[h->ctlr] = NULL; - for (i = 0; i < h->highest_lun + 1; i++) - if (h->gendisk[i] != NULL) - put_disk(h->gendisk[i]); - kfree(h); -} - -/* Send a message CDB to the firmware. */ -static int cciss_message(struct pci_dev *pdev, unsigned char opcode, - unsigned char type) -{ - typedef struct { - CommandListHeader_struct CommandHeader; - RequestBlock_struct Request; - ErrDescriptor_struct ErrorDescriptor; - } Command; - static const size_t cmd_sz = sizeof(Command) + sizeof(ErrorInfo_struct); - Command *cmd; - dma_addr_t paddr64; - uint32_t paddr32, tag; - void __iomem *vaddr; - int i, err; - - vaddr = ioremap_nocache(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - if (vaddr == NULL) - return -ENOMEM; - - /* The Inbound Post Queue only accepts 32-bit physical addresses for the - CCISS commands, so they must be allocated from the lower 4GiB of - memory. */ - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) { - iounmap(vaddr); - return -ENOMEM; - } - - cmd = pci_alloc_consistent(pdev, cmd_sz, &paddr64); - if (cmd == NULL) { - iounmap(vaddr); - return -ENOMEM; - } - - /* This must fit, because of the 32-bit consistent DMA mask. Also, - although there's no guarantee, we assume that the address is at - least 4-byte aligned (most likely, it's page-aligned). */ - paddr32 = paddr64; - - cmd->CommandHeader.ReplyQueue = 0; - cmd->CommandHeader.SGList = 0; - cmd->CommandHeader.SGTotal = 0; - cmd->CommandHeader.Tag.lower = paddr32; - cmd->CommandHeader.Tag.upper = 0; - memset(&cmd->CommandHeader.LUN.LunAddrBytes, 0, 8); - - cmd->Request.CDBLen = 16; - cmd->Request.Type.Type = TYPE_MSG; - cmd->Request.Type.Attribute = ATTR_HEADOFQUEUE; - cmd->Request.Type.Direction = XFER_NONE; - cmd->Request.Timeout = 0; /* Don't time out */ - cmd->Request.CDB[0] = opcode; - cmd->Request.CDB[1] = type; - memset(&cmd->Request.CDB[2], 0, 14); /* the rest of the CDB is reserved */ - - cmd->ErrorDescriptor.Addr.lower = paddr32 + sizeof(Command); - cmd->ErrorDescriptor.Addr.upper = 0; - cmd->ErrorDescriptor.Len = sizeof(ErrorInfo_struct); - - writel(paddr32, vaddr + SA5_REQUEST_PORT_OFFSET); - - for (i = 0; i < 10; i++) { - tag = readl(vaddr + SA5_REPLY_PORT_OFFSET); - if ((tag & ~3) == paddr32) - break; - msleep(CCISS_POST_RESET_NOOP_TIMEOUT_MSECS); - } - - iounmap(vaddr); - - /* we leak the DMA buffer here ... no choice since the controller could - still complete the command. */ - if (i == 10) { - dev_err(&pdev->dev, - "controller message %02x:%02x timed out\n", - opcode, type); - return -ETIMEDOUT; - } - - pci_free_consistent(pdev, cmd_sz, cmd, paddr64); - - if (tag & 2) { - dev_err(&pdev->dev, "controller message %02x:%02x failed\n", - opcode, type); - return -EIO; - } - - dev_info(&pdev->dev, "controller message %02x:%02x succeeded\n", - opcode, type); - return 0; -} - -#define cciss_noop(p) cciss_message(p, 3, 0) - -static int cciss_controller_hard_reset(struct pci_dev *pdev, - void * __iomem vaddr, u32 use_doorbell) -{ - u16 pmcsr; - int pos; - - if (use_doorbell) { - /* For everything after the P600, the PCI power state method - * of resetting the controller doesn't work, so we have this - * other way using the doorbell register. - */ - dev_info(&pdev->dev, "using doorbell to reset controller\n"); - writel(use_doorbell, vaddr + SA5_DOORBELL); - } else { /* Try to do it the PCI power state way */ - - /* Quoting from the Open CISS Specification: "The Power - * Management Control/Status Register (CSR) controls the power - * state of the device. The normal operating state is D0, - * CSR=00h. The software off state is D3, CSR=03h. To reset - * the controller, place the interface device in D3 then to D0, - * this causes a secondary PCI reset which will reset the - * controller." */ - - pos = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pos == 0) { - dev_err(&pdev->dev, - "cciss_controller_hard_reset: " - "PCI PM not supported\n"); - return -ENODEV; - } - dev_info(&pdev->dev, "using PCI PM to reset controller\n"); - /* enter the D3hot power management state */ - pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr); - pmcsr &= ~PCI_PM_CTRL_STATE_MASK; - pmcsr |= PCI_D3hot; - pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); - - msleep(500); - - /* enter the D0 power management state */ - pmcsr &= ~PCI_PM_CTRL_STATE_MASK; - pmcsr |= PCI_D0; - pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); - - /* - * The P600 requires a small delay when changing states. - * Otherwise we may think the board did not reset and we bail. - * This for kdump only and is particular to the P600. - */ - msleep(500); - } - return 0; -} - -static void init_driver_version(char *driver_version, int len) -{ - memset(driver_version, 0, len); - strncpy(driver_version, "cciss " DRIVER_NAME, len - 1); -} - -static int write_driver_ver_to_cfgtable(CfgTable_struct __iomem *cfgtable) -{ - char *driver_version; - int i, size = sizeof(cfgtable->driver_version); - - driver_version = kmalloc(size, GFP_KERNEL); - if (!driver_version) - return -ENOMEM; - - init_driver_version(driver_version, size); - for (i = 0; i < size; i++) - writeb(driver_version[i], &cfgtable->driver_version[i]); - kfree(driver_version); - return 0; -} - -static void read_driver_ver_from_cfgtable(CfgTable_struct __iomem *cfgtable, - unsigned char *driver_ver) -{ - int i; - - for (i = 0; i < sizeof(cfgtable->driver_version); i++) - driver_ver[i] = readb(&cfgtable->driver_version[i]); -} - -static int controller_reset_failed(CfgTable_struct __iomem *cfgtable) -{ - - char *driver_ver, *old_driver_ver; - int rc, size = sizeof(cfgtable->driver_version); - - old_driver_ver = kmalloc(2 * size, GFP_KERNEL); - if (!old_driver_ver) - return -ENOMEM; - driver_ver = old_driver_ver + size; - - /* After a reset, the 32 bytes of "driver version" in the cfgtable - * should have been changed, otherwise we know the reset failed. - */ - init_driver_version(old_driver_ver, size); - read_driver_ver_from_cfgtable(cfgtable, driver_ver); - rc = !memcmp(driver_ver, old_driver_ver, size); - kfree(old_driver_ver); - return rc; -} - -/* This does a hard reset of the controller using PCI power management - * states or using the doorbell register. */ -static int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) -{ - u64 cfg_offset; - u32 cfg_base_addr; - u64 cfg_base_addr_index; - void __iomem *vaddr; - unsigned long paddr; - u32 misc_fw_support; - int rc; - CfgTable_struct __iomem *cfgtable; - u32 use_doorbell; - u32 board_id; - u16 command_register; - - /* For controllers as old a the p600, this is very nearly - * the same thing as - * - * pci_save_state(pci_dev); - * pci_set_power_state(pci_dev, PCI_D3hot); - * pci_set_power_state(pci_dev, PCI_D0); - * pci_restore_state(pci_dev); - * - * For controllers newer than the P600, the pci power state - * method of resetting doesn't work so we have another way - * using the doorbell register. - */ - - /* Exclude 640x boards. These are two pci devices in one slot - * which share a battery backed cache module. One controls the - * cache, the other accesses the cache through the one that controls - * it. If we reset the one controlling the cache, the other will - * likely not be happy. Just forbid resetting this conjoined mess. - */ - cciss_lookup_board_id(pdev, &board_id); - if (!ctlr_is_resettable(board_id)) { - dev_warn(&pdev->dev, "Controller not resettable\n"); - return -ENODEV; - } - - /* if controller is soft- but not hard resettable... */ - if (!ctlr_is_hard_resettable(board_id)) - return -ENOTSUPP; /* try soft reset later. */ - - /* Save the PCI command register */ - pci_read_config_word(pdev, 4, &command_register); - /* Turn the board off. This is so that later pci_restore_state() - * won't turn the board on before the rest of config space is ready. - */ - pci_disable_device(pdev); - pci_save_state(pdev); - - /* find the first memory BAR, so we can find the cfg table */ - rc = cciss_pci_find_memory_BAR(pdev, &paddr); - if (rc) - return rc; - vaddr = remap_pci_mem(paddr, 0x250); - if (!vaddr) - return -ENOMEM; - - /* find cfgtable in order to check if reset via doorbell is supported */ - rc = cciss_find_cfg_addrs(pdev, vaddr, &cfg_base_addr, - &cfg_base_addr_index, &cfg_offset); - if (rc) - goto unmap_vaddr; - cfgtable = remap_pci_mem(pci_resource_start(pdev, - cfg_base_addr_index) + cfg_offset, sizeof(*cfgtable)); - if (!cfgtable) { - rc = -ENOMEM; - goto unmap_vaddr; - } - rc = write_driver_ver_to_cfgtable(cfgtable); - if (rc) - goto unmap_vaddr; - - /* If reset via doorbell register is supported, use that. - * There are two such methods. Favor the newest method. - */ - misc_fw_support = readl(&cfgtable->misc_fw_support); - use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET2; - if (use_doorbell) { - use_doorbell = DOORBELL_CTLR_RESET2; - } else { - use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET; - if (use_doorbell) { - dev_warn(&pdev->dev, "Controller claims that " - "'Bit 2 doorbell reset' is " - "supported, but not 'bit 5 doorbell reset'. " - "Firmware update is recommended.\n"); - rc = -ENOTSUPP; /* use the soft reset */ - goto unmap_cfgtable; - } - } - - rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell); - if (rc) - goto unmap_cfgtable; - pci_restore_state(pdev); - rc = pci_enable_device(pdev); - if (rc) { - dev_warn(&pdev->dev, "failed to enable device.\n"); - goto unmap_cfgtable; - } - pci_write_config_word(pdev, 4, command_register); - - /* Some devices (notably the HP Smart Array 5i Controller) - need a little pause here */ - msleep(CCISS_POST_RESET_PAUSE_MSECS); - - /* Wait for board to become not ready, then ready. */ - dev_info(&pdev->dev, "Waiting for board to reset.\n"); - rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_NOT_READY); - if (rc) { - dev_warn(&pdev->dev, "Failed waiting for board to hard reset." - " Will try soft reset.\n"); - rc = -ENOTSUPP; /* Not expected, but try soft reset later */ - goto unmap_cfgtable; - } - rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_READY); - if (rc) { - dev_warn(&pdev->dev, - "failed waiting for board to become ready " - "after hard reset\n"); - goto unmap_cfgtable; - } - - rc = controller_reset_failed(vaddr); - if (rc < 0) - goto unmap_cfgtable; - if (rc) { - dev_warn(&pdev->dev, "Unable to successfully hard reset " - "controller. Will try soft reset.\n"); - rc = -ENOTSUPP; /* Not expected, but try soft reset later */ - } else { - dev_info(&pdev->dev, "Board ready after hard reset.\n"); - } - -unmap_cfgtable: - iounmap(cfgtable); - -unmap_vaddr: - iounmap(vaddr); - return rc; -} - -static int cciss_init_reset_devices(struct pci_dev *pdev) -{ - int rc, i; - - if (!reset_devices) - return 0; - - /* Reset the controller with a PCI power-cycle or via doorbell */ - rc = cciss_kdump_hard_reset_controller(pdev); - - /* -ENOTSUPP here means we cannot reset the controller - * but it's already (and still) up and running in - * "performant mode". Or, it might be 640x, which can't reset - * due to concerns about shared bbwc between 6402/6404 pair. - */ - if (rc == -ENOTSUPP) - return rc; /* just try to do the kdump anyhow. */ - if (rc) - return -ENODEV; - - /* Now try to get the controller to respond to a no-op */ - dev_warn(&pdev->dev, "Waiting for controller to respond to no-op\n"); - for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) { - if (cciss_noop(pdev) == 0) - break; - else - dev_warn(&pdev->dev, "no-op failed%s\n", - (i < CCISS_POST_RESET_NOOP_RETRIES - 1 ? - "; re-trying" : "")); - msleep(CCISS_POST_RESET_NOOP_INTERVAL_MSECS); - } - return 0; -} - -static int cciss_allocate_cmd_pool(ctlr_info_t *h) -{ - h->cmd_pool_bits = kmalloc(BITS_TO_LONGS(h->nr_cmds) * - sizeof(unsigned long), GFP_KERNEL); - h->cmd_pool = pci_alloc_consistent(h->pdev, - h->nr_cmds * sizeof(CommandList_struct), - &(h->cmd_pool_dhandle)); - h->errinfo_pool = pci_alloc_consistent(h->pdev, - h->nr_cmds * sizeof(ErrorInfo_struct), - &(h->errinfo_pool_dhandle)); - if ((h->cmd_pool_bits == NULL) - || (h->cmd_pool == NULL) - || (h->errinfo_pool == NULL)) { - dev_err(&h->pdev->dev, "out of memory"); - return -ENOMEM; - } - return 0; -} - -static int cciss_allocate_scatterlists(ctlr_info_t *h) -{ - int i; - - /* zero it, so that on free we need not know how many were alloc'ed */ - h->scatter_list = kzalloc(h->max_commands * - sizeof(struct scatterlist *), GFP_KERNEL); - if (!h->scatter_list) - return -ENOMEM; - - for (i = 0; i < h->nr_cmds; i++) { - h->scatter_list[i] = kmalloc(sizeof(struct scatterlist) * - h->maxsgentries, GFP_KERNEL); - if (h->scatter_list[i] == NULL) { - dev_err(&h->pdev->dev, "could not allocate " - "s/g lists\n"); - return -ENOMEM; - } - } - return 0; -} - -static void cciss_free_scatterlists(ctlr_info_t *h) -{ - int i; - - if (h->scatter_list) { - for (i = 0; i < h->nr_cmds; i++) - kfree(h->scatter_list[i]); - kfree(h->scatter_list); - } -} - -static void cciss_free_cmd_pool(ctlr_info_t *h) -{ - kfree(h->cmd_pool_bits); - if (h->cmd_pool) - pci_free_consistent(h->pdev, - h->nr_cmds * sizeof(CommandList_struct), - h->cmd_pool, h->cmd_pool_dhandle); - if (h->errinfo_pool) - pci_free_consistent(h->pdev, - h->nr_cmds * sizeof(ErrorInfo_struct), - h->errinfo_pool, h->errinfo_pool_dhandle); -} - -static int cciss_request_irq(ctlr_info_t *h, - irqreturn_t (*msixhandler)(int, void *), - irqreturn_t (*intxhandler)(int, void *)) -{ - if (h->pdev->msi_enabled || h->pdev->msix_enabled) { - if (!request_irq(h->intr[h->intr_mode], msixhandler, - 0, h->devname, h)) - return 0; - dev_err(&h->pdev->dev, "Unable to get msi irq %d" - " for %s\n", h->intr[h->intr_mode], - h->devname); - return -1; - } - - if (!request_irq(h->intr[h->intr_mode], intxhandler, - IRQF_SHARED, h->devname, h)) - return 0; - dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n", - h->intr[h->intr_mode], h->devname); - return -1; -} - -static int cciss_kdump_soft_reset(ctlr_info_t *h) -{ - if (cciss_send_reset(h, CTLR_LUNID, CCISS_RESET_TYPE_CONTROLLER)) { - dev_warn(&h->pdev->dev, "Resetting array controller failed.\n"); - return -EIO; - } - - dev_info(&h->pdev->dev, "Waiting for board to soft reset.\n"); - if (cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_NOT_READY)) { - dev_warn(&h->pdev->dev, "Soft reset had no effect.\n"); - return -1; - } - - dev_info(&h->pdev->dev, "Board reset, awaiting READY status.\n"); - if (cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY)) { - dev_warn(&h->pdev->dev, "Board failed to become ready " - "after soft reset.\n"); - return -1; - } - - return 0; -} - -static void cciss_undo_allocations_after_kdump_soft_reset(ctlr_info_t *h) -{ - int ctlr = h->ctlr; - - free_irq(h->intr[h->intr_mode], h); - pci_free_irq_vectors(h->pdev); - cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); - cciss_free_scatterlists(h); - cciss_free_cmd_pool(h); - kfree(h->blockFetchTable); - if (h->reply_pool) - pci_free_consistent(h->pdev, h->max_commands * sizeof(__u64), - h->reply_pool, h->reply_pool_dhandle); - if (h->transtable) - iounmap(h->transtable); - if (h->cfgtable) - iounmap(h->cfgtable); - if (h->vaddr) - iounmap(h->vaddr); - unregister_blkdev(h->major, h->devname); - cciss_destroy_hba_sysfs_entry(h); - pci_release_regions(h->pdev); - kfree(h); - hba[ctlr] = NULL; -} - -/* - * This is it. Find all the controllers and register them. I really hate - * stealing all these major device numbers. - * returns the number of block devices registered. - */ -static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - int i; - int j = 0; - int rc; - int try_soft_reset = 0; - int dac, return_code; - InquiryData_struct *inq_buff; - ctlr_info_t *h; - unsigned long flags; - - /* - * By default the cciss driver is used for all older HP Smart Array - * controllers. There are module paramaters that allow a user to - * override this behavior and instead use the hpsa SCSI driver. If - * this is the case cciss may be loaded first from the kdump initrd - * image and cause a kernel panic. So if reset_devices is true and - * cciss_allow_hpsa is set just bail. - */ - if ((reset_devices) && (cciss_allow_hpsa == 1)) - return -ENODEV; - rc = cciss_init_reset_devices(pdev); - if (rc) { - if (rc != -ENOTSUPP) - return rc; - /* If the reset fails in a particular way (it has no way to do - * a proper hard reset, so returns -ENOTSUPP) we can try to do - * a soft reset once we get the controller configured up to the - * point that it can accept a command. - */ - try_soft_reset = 1; - rc = 0; - } - -reinit_after_soft_reset: - - i = alloc_cciss_hba(pdev); - if (i < 0) - return -ENOMEM; - - h = hba[i]; - h->pdev = pdev; - h->busy_initializing = 1; - h->intr_mode = cciss_simple_mode ? SIMPLE_MODE_INT : PERF_MODE_INT; - INIT_LIST_HEAD(&h->cmpQ); - INIT_LIST_HEAD(&h->reqQ); - mutex_init(&h->busy_shutting_down); - - if (cciss_pci_init(h) != 0) - goto clean_no_release_regions; - - sprintf(h->devname, "cciss%d", i); - h->ctlr = i; - - if (cciss_tape_cmds < 2) - cciss_tape_cmds = 2; - if (cciss_tape_cmds > 16) - cciss_tape_cmds = 16; - - init_completion(&h->scan_wait); - - if (cciss_create_hba_sysfs_entry(h)) - goto clean0; - - /* configure PCI DMA stuff */ - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) - dac = 1; - else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) - dac = 0; - else { - dev_err(&h->pdev->dev, "no suitable DMA available\n"); - goto clean1; - } - - /* - * register with the major number, or get a dynamic major number - * by passing 0 as argument. This is done for greater than - * 8 controller support. - */ - if (i < MAX_CTLR_ORIG) - h->major = COMPAQ_CISS_MAJOR + i; - rc = register_blkdev(h->major, h->devname); - if (rc == -EBUSY || rc == -EINVAL) { - dev_err(&h->pdev->dev, - "Unable to get major number %d for %s " - "on hba %d\n", h->major, h->devname, i); - goto clean1; - } else { - if (i >= MAX_CTLR_ORIG) - h->major = rc; - } - - /* make sure the board interrupts are off */ - h->access.set_intr_mask(h, CCISS_INTR_OFF); - rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx); - if (rc) - goto clean2; - - dev_info(&h->pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", - h->devname, pdev->device, pci_name(pdev), - h->intr[h->intr_mode], dac ? "" : " not"); - - if (cciss_allocate_cmd_pool(h)) - goto clean4; - - if (cciss_allocate_scatterlists(h)) - goto clean4; - - h->cmd_sg_list = cciss_allocate_sg_chain_blocks(h, - h->chainsize, h->nr_cmds); - if (!h->cmd_sg_list && h->chainsize > 0) - goto clean4; - - spin_lock_init(&h->lock); - - /* Initialize the pdev driver private data. - have it point to h. */ - pci_set_drvdata(pdev, h); - /* command and error info recs zeroed out before - they are used */ - bitmap_zero(h->cmd_pool_bits, h->nr_cmds); - - h->num_luns = 0; - h->highest_lun = -1; - for (j = 0; j < CISS_MAX_LUN; j++) { - h->drv[j] = NULL; - h->gendisk[j] = NULL; - } - - /* At this point, the controller is ready to take commands. - * Now, if reset_devices and the hard reset didn't work, try - * the soft reset and see if that works. - */ - if (try_soft_reset) { - - /* This is kind of gross. We may or may not get a completion - * from the soft reset command, and if we do, then the value - * from the fifo may or may not be valid. So, we wait 10 secs - * after the reset throwing away any completions we get during - * that time. Unregister the interrupt handler and register - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); - h->access.set_intr_mask(h, CCISS_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - free_irq(h->intr[h->intr_mode], h); - rc = cciss_request_irq(h, cciss_msix_discard_completions, - cciss_intx_discard_completions); - if (rc) { - dev_warn(&h->pdev->dev, "Failed to request_irq after " - "soft reset.\n"); - goto clean4; - } - - rc = cciss_kdump_soft_reset(h); - if (rc) { - dev_warn(&h->pdev->dev, "Soft reset failed.\n"); - goto clean4; - } - - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); - h->access.set_intr_mask(h, CCISS_INTR_ON); - msleep(10000); - h->access.set_intr_mask(h, CCISS_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) - dev_info(&h->pdev->dev, - "Soft reset appears to have failed.\n"); - - /* since the controller's reset, we have to go back and re-init - * everything. Easiest to just forget what we've done and do it - * all over again. - */ - cciss_undo_allocations_after_kdump_soft_reset(h); - try_soft_reset = 0; - if (rc) - /* don't go to clean4, we already unallocated */ - return -ENODEV; - - goto reinit_after_soft_reset; - } - - cciss_scsi_setup(h); - - /* Turn the interrupts on so we can service requests */ - h->access.set_intr_mask(h, CCISS_INTR_ON); - - /* Get the firmware version */ - inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); - if (inq_buff == NULL) { - dev_err(&h->pdev->dev, "out of memory\n"); - goto clean4; - } - - return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, - sizeof(InquiryData_struct), 0, CTLR_LUNID, TYPE_CMD); - if (return_code == IO_OK) { - h->firm_ver[0] = inq_buff->data_byte[32]; - h->firm_ver[1] = inq_buff->data_byte[33]; - h->firm_ver[2] = inq_buff->data_byte[34]; - h->firm_ver[3] = inq_buff->data_byte[35]; - } else { /* send command failed */ - dev_warn(&h->pdev->dev, "unable to determine firmware" - " version of controller\n"); - } - kfree(inq_buff); - - cciss_procinit(h); - - h->cciss_max_sectors = 8192; - - rebuild_lun_table(h, 1, 0); - cciss_engage_scsi(h); - h->busy_initializing = 0; - return 0; - -clean4: - cciss_free_cmd_pool(h); - cciss_free_scatterlists(h); - cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); - free_irq(h->intr[h->intr_mode], h); -clean2: - unregister_blkdev(h->major, h->devname); -clean1: - cciss_destroy_hba_sysfs_entry(h); -clean0: - pci_release_regions(pdev); -clean_no_release_regions: - h->busy_initializing = 0; - - /* - * Deliberately omit pci_disable_device(): it does something nasty to - * Smart Array controllers that pci_enable_device does not undo - */ - pci_set_drvdata(pdev, NULL); - free_hba(h); - return -ENODEV; -} - -static void cciss_shutdown(struct pci_dev *pdev) -{ - ctlr_info_t *h; - char *flush_buf; - int return_code; - - h = pci_get_drvdata(pdev); - flush_buf = kzalloc(4, GFP_KERNEL); - if (!flush_buf) { - dev_warn(&h->pdev->dev, "cache not flushed, out of memory.\n"); - return; - } - /* write all data in the battery backed cache to disk */ - return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, - 4, 0, CTLR_LUNID, TYPE_CMD); - kfree(flush_buf); - if (return_code != IO_OK) - dev_warn(&h->pdev->dev, "Error flushing cache\n"); - h->access.set_intr_mask(h, CCISS_INTR_OFF); - free_irq(h->intr[h->intr_mode], h); -} - -static int cciss_enter_simple_mode(struct ctlr_info *h) -{ - u32 trans_support; - - trans_support = readl(&(h->cfgtable->TransportSupport)); - if (!(trans_support & SIMPLE_MODE)) - return -ENOTSUPP; - - h->max_commands = readl(&(h->cfgtable->CmdsOutMax)); - writel(CFGTBL_Trans_Simple, &(h->cfgtable->HostWrite.TransportRequest)); - writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); - cciss_wait_for_mode_change_ack(h); - print_cfg_table(h); - if (!(readl(&(h->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) { - dev_warn(&h->pdev->dev, "unable to get board into simple mode\n"); - return -ENODEV; - } - h->transMethod = CFGTBL_Trans_Simple; - return 0; -} - - -static void cciss_remove_one(struct pci_dev *pdev) -{ - ctlr_info_t *h; - int i, j; - - if (pci_get_drvdata(pdev) == NULL) { - dev_err(&pdev->dev, "Unable to remove device\n"); - return; - } - - h = pci_get_drvdata(pdev); - i = h->ctlr; - if (hba[i] == NULL) { - dev_err(&pdev->dev, "device appears to already be removed\n"); - return; - } - - mutex_lock(&h->busy_shutting_down); - - remove_from_scan_list(h); - remove_proc_entry(h->devname, proc_cciss); - unregister_blkdev(h->major, h->devname); - - /* remove it from the disk list */ - for (j = 0; j < CISS_MAX_LUN; j++) { - struct gendisk *disk = h->gendisk[j]; - if (disk) { - struct request_queue *q = disk->queue; - - if (disk->flags & GENHD_FL_UP) { - cciss_destroy_ld_sysfs_entry(h, j, 1); - del_gendisk(disk); - } - if (q) - blk_cleanup_queue(q); - } - } - -#ifdef CONFIG_CISS_SCSI_TAPE - cciss_unregister_scsi(h); /* unhook from SCSI subsystem */ -#endif - - cciss_shutdown(pdev); - - pci_free_irq_vectors(h->pdev); - - iounmap(h->transtable); - iounmap(h->cfgtable); - iounmap(h->vaddr); - - cciss_free_cmd_pool(h); - /* Free up sg elements */ - for (j = 0; j < h->nr_cmds; j++) - kfree(h->scatter_list[j]); - kfree(h->scatter_list); - cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); - kfree(h->blockFetchTable); - if (h->reply_pool) - pci_free_consistent(h->pdev, h->max_commands * sizeof(__u64), - h->reply_pool, h->reply_pool_dhandle); - /* - * Deliberately omit pci_disable_device(): it does something nasty to - * Smart Array controllers that pci_enable_device does not undo - */ - pci_release_regions(pdev); - pci_set_drvdata(pdev, NULL); - cciss_destroy_hba_sysfs_entry(h); - mutex_unlock(&h->busy_shutting_down); - free_hba(h); -} - -static struct pci_driver cciss_pci_driver = { - .name = "cciss", - .probe = cciss_init_one, - .remove = cciss_remove_one, - .id_table = cciss_pci_device_id, /* id_table */ - .shutdown = cciss_shutdown, -}; - -/* - * This is it. Register the PCI driver information for the cards we control - * the OS will call our registered routines when it finds one of our cards. - */ -static int __init cciss_init(void) -{ - int err; - - /* - * The hardware requires that commands are aligned on a 64-bit - * boundary. Given that we use pci_alloc_consistent() to allocate an - * array of them, the size must be a multiple of 8 bytes. - */ - BUILD_BUG_ON(sizeof(CommandList_struct) % COMMANDLIST_ALIGNMENT); - printk(KERN_INFO DRIVER_NAME "\n"); - - err = bus_register(&cciss_bus_type); - if (err) - return err; - - /* Start the scan thread */ - cciss_scan_thread = kthread_run(scan_thread, NULL, "cciss_scan"); - if (IS_ERR(cciss_scan_thread)) { - err = PTR_ERR(cciss_scan_thread); - goto err_bus_unregister; - } - - /* Register for our PCI devices */ - err = pci_register_driver(&cciss_pci_driver); - if (err) - goto err_thread_stop; - - return err; - -err_thread_stop: - kthread_stop(cciss_scan_thread); -err_bus_unregister: - bus_unregister(&cciss_bus_type); - - return err; -} - -static void __exit cciss_cleanup(void) -{ - int i; - - pci_unregister_driver(&cciss_pci_driver); - /* double check that all controller entrys have been removed */ - for (i = 0; i < MAX_CTLR; i++) { - if (hba[i] != NULL) { - dev_warn(&hba[i]->pdev->dev, - "had to remove controller\n"); - cciss_remove_one(hba[i]->pdev); - } - } - kthread_stop(cciss_scan_thread); - if (proc_cciss) - remove_proc_entry("driver/cciss", NULL); - bus_unregister(&cciss_bus_type); -} - -module_init(cciss_init); -module_exit(cciss_cleanup); diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h deleted file mode 100644 index 24b5fd75501a..000000000000 --- a/drivers/block/cciss.h +++ /dev/null @@ -1,433 +0,0 @@ -#ifndef CCISS_H -#define CCISS_H - -#include <linux/genhd.h> -#include <linux/mutex.h> - -#include "cciss_cmd.h" - - -#define NWD_SHIFT 4 -#define MAX_PART (1 << NWD_SHIFT) - -#define IO_OK 0 -#define IO_ERROR 1 -#define IO_NEEDS_RETRY 3 - -#define VENDOR_LEN 8 -#define MODEL_LEN 16 -#define REV_LEN 4 - -struct ctlr_info; -typedef struct ctlr_info ctlr_info_t; - -struct access_method { - void (*submit_command)(ctlr_info_t *h, CommandList_struct *c); - void (*set_intr_mask)(ctlr_info_t *h, unsigned long val); - unsigned long (*fifo_full)(ctlr_info_t *h); - bool (*intr_pending)(ctlr_info_t *h); - unsigned long (*command_completed)(ctlr_info_t *h); -}; -typedef struct _drive_info_struct -{ - unsigned char LunID[8]; - int usage_count; - struct request_queue *queue; - sector_t nr_blocks; - int block_size; - int heads; - int sectors; - int cylinders; - int raid_level; /* set to -1 to indicate that - * the drive is not in use/configured - */ - int busy_configuring; /* This is set when a drive is being removed - * to prevent it from being opened or it's - * queue from being started. - */ - struct device dev; - __u8 serial_no[16]; /* from inquiry page 0x83, - * not necc. null terminated. - */ - char vendor[VENDOR_LEN + 1]; /* SCSI vendor string */ - char model[MODEL_LEN + 1]; /* SCSI model string */ - char rev[REV_LEN + 1]; /* SCSI revision string */ - char device_initialized; /* indicates whether dev is initialized */ -} drive_info_struct; - -struct ctlr_info -{ - int ctlr; - char devname[8]; - char *product_name; - char firm_ver[4]; /* Firmware version */ - struct pci_dev *pdev; - __u32 board_id; - void __iomem *vaddr; - unsigned long paddr; - int nr_cmds; /* Number of commands allowed on this controller */ - CfgTable_struct __iomem *cfgtable; - int interrupts_enabled; - int major; - int max_commands; - int commands_outstanding; - int max_outstanding; /* Debug */ - int num_luns; - int highest_lun; - int usage_count; /* number of opens all all minor devices */ - /* Need space for temp sg list - * number of scatter/gathers supported - * number of scatter/gathers in chained block - */ - struct scatterlist **scatter_list; - int maxsgentries; - int chainsize; - int max_cmd_sgentries; - SGDescriptor_struct **cmd_sg_list; - -# define PERF_MODE_INT 0 -# define DOORBELL_INT 1 -# define SIMPLE_MODE_INT 2 -# define MEMQ_MODE_INT 3 - unsigned int intr[4]; - int intr_mode; - int cciss_max_sectors; - BYTE cciss_read; - BYTE cciss_write; - BYTE cciss_read_capacity; - - /* information about each logical volume */ - drive_info_struct *drv[CISS_MAX_LUN]; - - struct access_method access; - - /* queue and queue Info */ - struct list_head reqQ; - struct list_head cmpQ; - unsigned int Qdepth; - unsigned int maxQsinceinit; - unsigned int maxSG; - spinlock_t lock; - - /* pointers to command and error info pool */ - CommandList_struct *cmd_pool; - dma_addr_t cmd_pool_dhandle; - ErrorInfo_struct *errinfo_pool; - dma_addr_t errinfo_pool_dhandle; - unsigned long *cmd_pool_bits; - int nr_allocs; - int nr_frees; - int busy_configuring; - int busy_initializing; - int busy_scanning; - struct mutex busy_shutting_down; - - /* This element holds the zero based queue number of the last - * queue to be started. It is used for fairness. - */ - int next_to_run; - - /* Disk structures we need to pass back */ - struct gendisk *gendisk[CISS_MAX_LUN]; -#ifdef CONFIG_CISS_SCSI_TAPE - struct cciss_scsi_adapter_data_t *scsi_ctlr; -#endif - unsigned char alive; - struct list_head scan_list; - struct completion scan_wait; - struct device dev; - /* - * Performant mode tables. - */ - u32 trans_support; - u32 trans_offset; - struct TransTable_struct *transtable; - unsigned long transMethod; - - /* - * Performant mode completion buffer - */ - u64 *reply_pool; - dma_addr_t reply_pool_dhandle; - u64 *reply_pool_head; - size_t reply_pool_size; - unsigned char reply_pool_wraparound; - u32 *blockFetchTable; -}; - -/* Defining the diffent access_methods - * - * Memory mapped FIFO interface (SMART 53xx cards) - */ -#define SA5_DOORBELL 0x20 -#define SA5_REQUEST_PORT_OFFSET 0x40 -#define SA5_REPLY_INTR_MASK_OFFSET 0x34 -#define SA5_REPLY_PORT_OFFSET 0x44 -#define SA5_INTR_STATUS 0x30 -#define SA5_SCRATCHPAD_OFFSET 0xB0 - -#define SA5_CTCFG_OFFSET 0xB4 -#define SA5_CTMEM_OFFSET 0xB8 - -#define SA5_INTR_OFF 0x08 -#define SA5B_INTR_OFF 0x04 -#define SA5_INTR_PENDING 0x08 -#define SA5B_INTR_PENDING 0x04 -#define FIFO_EMPTY 0xffffffff -#define CCISS_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */ -/* Perf. mode flags */ -#define SA5_PERF_INTR_PENDING 0x04 -#define SA5_PERF_INTR_OFF 0x05 -#define SA5_OUTDB_STATUS_PERF_BIT 0x01 -#define SA5_OUTDB_CLEAR_PERF_BIT 0x01 -#define SA5_OUTDB_CLEAR 0xA0 -#define SA5_OUTDB_CLEAR_PERF_BIT 0x01 -#define SA5_OUTDB_STATUS 0x9C - - -#define CISS_ERROR_BIT 0x02 - -#define CCISS_INTR_ON 1 -#define CCISS_INTR_OFF 0 - - -/* CCISS_BOARD_READY_WAIT_SECS is how long to wait for a board - * to become ready, in seconds, before giving up on it. - * CCISS_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait - * between polling the board to see if it is ready, in - * milliseconds. CCISS_BOARD_READY_ITERATIONS is derived - * the above. - */ -#define CCISS_BOARD_READY_WAIT_SECS (120) -#define CCISS_BOARD_NOT_READY_WAIT_SECS (100) -#define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100) -#define CCISS_BOARD_READY_ITERATIONS \ - ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \ - CCISS_BOARD_READY_POLL_INTERVAL_MSECS) -#define CCISS_BOARD_NOT_READY_ITERATIONS \ - ((CCISS_BOARD_NOT_READY_WAIT_SECS * 1000) / \ - CCISS_BOARD_READY_POLL_INTERVAL_MSECS) -#define CCISS_POST_RESET_PAUSE_MSECS (3000) -#define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (4000) -#define CCISS_POST_RESET_NOOP_RETRIES (12) -#define CCISS_POST_RESET_NOOP_TIMEOUT_MSECS (10000) - -/* - Send the command to the hardware -*/ -static void SA5_submit_command( ctlr_info_t *h, CommandList_struct *c) -{ -#ifdef CCISS_DEBUG - printk(KERN_WARNING "cciss%d: Sending %08x - down to controller\n", - h->ctlr, c->busaddr); -#endif /* CCISS_DEBUG */ - writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET); - readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - h->commands_outstanding++; - if ( h->commands_outstanding > h->max_outstanding) - h->max_outstanding = h->commands_outstanding; -} - -/* - * This card is the opposite of the other cards. - * 0 turns interrupts on... - * 0x08 turns them off... - */ -static void SA5_intr_mask(ctlr_info_t *h, unsigned long val) -{ - if (val) - { /* Turn interrupts on */ - h->interrupts_enabled = 1; - writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } else /* Turn them off */ - { - h->interrupts_enabled = 0; - writel( SA5_INTR_OFF, - h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } -} -/* - * This card is the opposite of the other cards. - * 0 turns interrupts on... - * 0x04 turns them off... - */ -static void SA5B_intr_mask(ctlr_info_t *h, unsigned long val) -{ - if (val) - { /* Turn interrupts on */ - h->interrupts_enabled = 1; - writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } else /* Turn them off */ - { - h->interrupts_enabled = 0; - writel( SA5B_INTR_OFF, - h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } -} - -/* Performant mode intr_mask */ -static void SA5_performant_intr_mask(ctlr_info_t *h, unsigned long val) -{ - if (val) { /* turn on interrupts */ - h->interrupts_enabled = 1; - writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } else { - h->interrupts_enabled = 0; - writel(SA5_PERF_INTR_OFF, - h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); - } -} - -/* - * Returns true if fifo is full. - * - */ -static unsigned long SA5_fifo_full(ctlr_info_t *h) -{ - if( h->commands_outstanding >= h->max_commands) - return(1); - else - return(0); - -} -/* - * returns value read from hardware. - * returns FIFO_EMPTY if there is nothing to read - */ -static unsigned long SA5_completed(ctlr_info_t *h) -{ - unsigned long register_value - = readl(h->vaddr + SA5_REPLY_PORT_OFFSET); - if(register_value != FIFO_EMPTY) - { - h->commands_outstanding--; -#ifdef CCISS_DEBUG - printk("cciss: Read %lx back from board\n", register_value); -#endif /* CCISS_DEBUG */ - } -#ifdef CCISS_DEBUG - else - { - printk("cciss: FIFO Empty read\n"); - } -#endif - return ( register_value); - -} - -/* Performant mode command completed */ -static unsigned long SA5_performant_completed(ctlr_info_t *h) -{ - unsigned long register_value = FIFO_EMPTY; - - /* flush the controller write of the reply queue by reading - * outbound doorbell status register. - */ - register_value = readl(h->vaddr + SA5_OUTDB_STATUS); - /* msi auto clears the interrupt pending bit. */ - if (!(h->pdev->msi_enabled || h->pdev->msix_enabled)) { - writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR); - /* Do a read in order to flush the write to the controller - * (as per spec.) - */ - register_value = readl(h->vaddr + SA5_OUTDB_STATUS); - } - - if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { - register_value = *(h->reply_pool_head); - (h->reply_pool_head)++; - h->commands_outstanding--; - } else { - register_value = FIFO_EMPTY; - } - /* Check for wraparound */ - if (h->reply_pool_head == (h->reply_pool + h->max_commands)) { - h->reply_pool_head = h->reply_pool; - h->reply_pool_wraparound ^= 1; - } - - return register_value; -} -/* - * Returns true if an interrupt is pending.. - */ -static bool SA5_intr_pending(ctlr_info_t *h) -{ - unsigned long register_value = - readl(h->vaddr + SA5_INTR_STATUS); -#ifdef CCISS_DEBUG - printk("cciss: intr_pending %lx\n", register_value); -#endif /* CCISS_DEBUG */ - if( register_value & SA5_INTR_PENDING) - return 1; - return 0 ; -} - -/* - * Returns true if an interrupt is pending.. - */ -static bool SA5B_intr_pending(ctlr_info_t *h) -{ - unsigned long register_value = - readl(h->vaddr + SA5_INTR_STATUS); -#ifdef CCISS_DEBUG - printk("cciss: intr_pending %lx\n", register_value); -#endif /* CCISS_DEBUG */ - if( register_value & SA5B_INTR_PENDING) - return 1; - return 0 ; -} - -static bool SA5_performant_intr_pending(ctlr_info_t *h) -{ - unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS); - - if (!register_value) - return false; - - if (h->pdev->msi_enabled || h->pdev->msix_enabled) - return true; - - /* Read outbound doorbell to flush */ - register_value = readl(h->vaddr + SA5_OUTDB_STATUS); - return register_value & SA5_OUTDB_STATUS_PERF_BIT; -} - -static struct access_method SA5_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5_intr_mask, - .fifo_full = SA5_fifo_full, - .intr_pending = SA5_intr_pending, - .command_completed = SA5_completed, -}; - -static struct access_method SA5B_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5B_intr_mask, - .fifo_full = SA5_fifo_full, - .intr_pending = SA5B_intr_pending, - .command_completed = SA5_completed, -}; - -static struct access_method SA5_performant_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5_performant_intr_mask, - .fifo_full = SA5_fifo_full, - .intr_pending = SA5_performant_intr_pending, - .command_completed = SA5_performant_completed, -}; - -struct board_type { - __u32 board_id; - char *product_name; - struct access_method *access; - int nr_cmds; /* Max cmds this kind of ctlr can handle. */ -}; - -#endif /* CCISS_H */ diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h deleted file mode 100644 index d9be6b4d49a6..000000000000 --- a/drivers/block/cciss_cmd.h +++ /dev/null @@ -1,269 +0,0 @@ -#ifndef CCISS_CMD_H -#define CCISS_CMD_H - -#include <linux/cciss_defs.h> - -/* DEFINES */ -#define CISS_VERSION "1.00" - -/* general boundary definitions */ -#define MAXSGENTRIES 32 -#define CCISS_SG_CHAIN 0x80000000 -#define MAXREPLYQS 256 - -/* Unit Attentions ASC's as defined for the MSA2012sa */ -#define POWER_OR_RESET 0x29 -#define STATE_CHANGED 0x2a -#define UNIT_ATTENTION_CLEARED 0x2f -#define LUN_FAILED 0x3e -#define REPORT_LUNS_CHANGED 0x3f - -/* Unit Attentions ASCQ's as defined for the MSA2012sa */ - - /* These ASCQ's defined for ASC = POWER_OR_RESET */ -#define POWER_ON_RESET 0x00 -#define POWER_ON_REBOOT 0x01 -#define SCSI_BUS_RESET 0x02 -#define MSA_TARGET_RESET 0x03 -#define CONTROLLER_FAILOVER 0x04 -#define TRANSCEIVER_SE 0x05 -#define TRANSCEIVER_LVD 0x06 - - /* These ASCQ's defined for ASC = STATE_CHANGED */ -#define RESERVATION_PREEMPTED 0x03 -#define ASYM_ACCESS_CHANGED 0x06 -#define LUN_CAPACITY_CHANGED 0x09 - -/* config space register offsets */ -#define CFG_VENDORID 0x00 -#define CFG_DEVICEID 0x02 -#define CFG_I2OBAR 0x10 -#define CFG_MEM1BAR 0x14 - -/* i2o space register offsets */ -#define I2O_IBDB_SET 0x20 -#define I2O_IBDB_CLEAR 0x70 -#define I2O_INT_STATUS 0x30 -#define I2O_INT_MASK 0x34 -#define I2O_IBPOST_Q 0x40 -#define I2O_OBPOST_Q 0x44 -#define I2O_DMA1_CFG 0x214 - -/* Configuration Table */ -#define CFGTBL_ChangeReq 0x00000001l -#define CFGTBL_AccCmds 0x00000001l -#define DOORBELL_CTLR_RESET 0x00000004l -#define DOORBELL_CTLR_RESET2 0x00000020l - -#define CFGTBL_Trans_Simple 0x00000002l -#define CFGTBL_Trans_Performant 0x00000004l -#define CFGTBL_Trans_use_short_tags 0x20000000l - -#define CFGTBL_BusType_Ultra2 0x00000001l -#define CFGTBL_BusType_Ultra3 0x00000002l -#define CFGTBL_BusType_Fibre1G 0x00000100l -#define CFGTBL_BusType_Fibre2G 0x00000200l -typedef struct _vals32 -{ - __u32 lower; - __u32 upper; -} vals32; - -typedef union _u64bit -{ - vals32 val32; - __u64 val; -} u64bit; - -/* Type defs used in the following structs */ -#define QWORD vals32 - -/* STRUCTURES */ -#define CISS_MAX_PHYS_LUN 1024 -/* SCSI-3 Cmmands */ - -#pragma pack(1) - -#define CISS_INQUIRY 0x12 -/* Date returned */ -typedef struct _InquiryData_struct -{ - BYTE data_byte[36]; -} InquiryData_struct; - -#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ -#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ -/* Data returned */ -typedef struct _ReportLUNdata_struct -{ - BYTE LUNListLength[4]; - DWORD reserved; - BYTE LUN[CISS_MAX_LUN][8]; -} ReportLunData_struct; - -#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ -typedef struct _ReadCapdata_struct -{ - BYTE total_size[4]; /* Total size in blocks */ - BYTE block_size[4]; /* Size of blocks in bytes */ -} ReadCapdata_struct; - -#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ - -/* service action to differentiate a 16 byte read capacity from - other commands that use the 0x9e SCSI op code */ - -#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 - -typedef struct _ReadCapdata_struct_16 -{ - BYTE total_size[8]; /* Total size in blocks */ - BYTE block_size[4]; /* Size of blocks in bytes */ - BYTE prot_en:1; /* protection enable bit */ - BYTE rto_en:1; /* reference tag own enable bit */ - BYTE reserved:6; /* reserved bits */ - BYTE reserved2[18]; /* reserved bytes per spec */ -} ReadCapdata_struct_16; - -/* Define the supported read/write commands for cciss based controllers */ - -#define CCISS_READ_10 0x28 /* Read(10) */ -#define CCISS_WRITE_10 0x2a /* Write(10) */ -#define CCISS_READ_16 0x88 /* Read(16) */ -#define CCISS_WRITE_16 0x8a /* Write(16) */ - -/* Define the CDB lengths supported by cciss based controllers */ - -#define CDB_LEN10 10 -#define CDB_LEN16 16 - -/* BMIC commands */ -#define BMIC_READ 0x26 -#define BMIC_WRITE 0x27 -#define BMIC_CACHE_FLUSH 0xc2 -#define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ - -#define CCISS_ABORT_MSG 0x00 -#define CCISS_RESET_MSG 0x01 -#define CCISS_RESET_TYPE_CONTROLLER 0x00 -#define CCISS_RESET_TYPE_BUS 0x01 -#define CCISS_RESET_TYPE_TARGET 0x03 -#define CCISS_RESET_TYPE_LUN 0x04 -#define CCISS_NOOP_MSG 0x03 - -/* Command List Structure */ -#define CTLR_LUNID "\0\0\0\0\0\0\0\0" - -typedef struct _CommandListHeader_struct { - BYTE ReplyQueue; - BYTE SGList; - HWORD SGTotal; - QWORD Tag; - LUNAddr_struct LUN; -} CommandListHeader_struct; -typedef struct _ErrDescriptor_struct { - QWORD Addr; - DWORD Len; -} ErrDescriptor_struct; -typedef struct _SGDescriptor_struct { - QWORD Addr; - DWORD Len; - DWORD Ext; -} SGDescriptor_struct; - -/* Command types */ -#define CMD_RWREQ 0x00 -#define CMD_IOCTL_PEND 0x01 -#define CMD_SCSI 0x03 -#define CMD_MSG_DONE 0x04 -#define CMD_MSG_TIMEOUT 0x05 -#define CMD_MSG_STALE 0xff - -/* This structure needs to be divisible by COMMANDLIST_ALIGNMENT - * because low bits of the address are used to to indicate that - * whether the tag contains an index or an address. PAD_32 and - * PAD_64 can be adjusted independently as needed for 32-bit - * and 64-bits systems. - */ -#define COMMANDLIST_ALIGNMENT (32) -#define IS_64_BIT ((sizeof(long) - 4)/4) -#define IS_32_BIT (!IS_64_BIT) -#define PAD_32 (0) -#define PAD_64 (4) -#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) -#define DIRECT_LOOKUP_BIT 0x10 -#define DIRECT_LOOKUP_SHIFT 5 - -typedef struct _CommandList_struct { - CommandListHeader_struct Header; - RequestBlock_struct Request; - ErrDescriptor_struct ErrDesc; - SGDescriptor_struct SG[MAXSGENTRIES]; - /* information associated with the command */ - __u32 busaddr; /* physical address of this record */ - ErrorInfo_struct * err_info; /* pointer to the allocated mem */ - int ctlr; - int cmd_type; - long cmdindex; - struct list_head list; - struct request * rq; - struct completion *waiting; - int retry_count; - void * scsi_cmd; - char pad[PADSIZE]; -} CommandList_struct; - -/* Configuration Table Structure */ -typedef struct _HostWrite_struct { - DWORD TransportRequest; - DWORD Reserved; - DWORD CoalIntDelay; - DWORD CoalIntCount; -} HostWrite_struct; - -typedef struct _CfgTable_struct { - BYTE Signature[4]; - DWORD SpecValence; -#define SIMPLE_MODE 0x02 -#define PERFORMANT_MODE 0x04 -#define MEMQ_MODE 0x08 - DWORD TransportSupport; - DWORD TransportActive; - HostWrite_struct HostWrite; - DWORD CmdsOutMax; - DWORD BusTypes; - DWORD TransMethodOffset; - BYTE ServerName[16]; - DWORD HeartBeat; - DWORD SCSI_Prefetch; - DWORD MaxSGElements; - DWORD MaxLogicalUnits; - DWORD MaxPhysicalDrives; - DWORD MaxPhysicalDrivesPerLogicalUnit; - DWORD MaxPerformantModeCommands; - u8 reserved[0x78 - 0x58]; - u32 misc_fw_support; /* offset 0x78 */ -#define MISC_FW_DOORBELL_RESET (0x02) -#define MISC_FW_DOORBELL_RESET2 (0x10) - u8 driver_version[32]; -} CfgTable_struct; - -struct TransTable_struct { - u32 BlockFetch0; - u32 BlockFetch1; - u32 BlockFetch2; - u32 BlockFetch3; - u32 BlockFetch4; - u32 BlockFetch5; - u32 BlockFetch6; - u32 BlockFetch7; - u32 RepQSize; - u32 RepQCount; - u32 RepQCtrAddrLow32; - u32 RepQCtrAddrHigh32; - u32 RepQAddr0Low32; - u32 RepQAddr0High32; -}; - -#pragma pack() -#endif /* CCISS_CMD_H */ diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c deleted file mode 100644 index 01a1f7e24978..000000000000 --- a/drivers/block/cciss_scsi.c +++ /dev/null @@ -1,1653 +0,0 @@ -/* - * Disk Array driver for HP Smart Array controllers, SCSI Tape module. - * (C) Copyright 2001, 2007 Hewlett-Packard Development Company, L.P. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 300, Boston, MA - * 02111-1307, USA. - * - * Questions/Comments/Bugfixes to iss_storagedev@hp.com - * - * Author: Stephen M. Cameron - */ -#ifdef CONFIG_CISS_SCSI_TAPE - -/* Here we have code to present the driver as a scsi driver - as it is simultaneously presented as a block driver. The - reason for doing this is to allow access to SCSI tape drives - through the array controller. Note in particular, neither - physical nor logical disks are presented through the scsi layer. */ - -#include <linux/timer.h> -#include <linux/completion.h> -#include <linux/slab.h> -#include <linux/string.h> - -#include <linux/atomic.h> - -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi_host.h> - -#include "cciss_scsi.h" - -#define CCISS_ABORT_MSG 0x00 -#define CCISS_RESET_MSG 0x01 - -static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff, - size_t size, - __u8 page_code, unsigned char *scsi3addr, - int cmd_type); - -static CommandList_struct *cmd_alloc(ctlr_info_t *h); -static CommandList_struct *cmd_special_alloc(ctlr_info_t *h); -static void cmd_free(ctlr_info_t *h, CommandList_struct *c); -static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c); - -static int cciss_scsi_write_info(struct Scsi_Host *sh, - char *buffer, /* data buffer */ - int length); /* length of data in buffer */ -static int cciss_scsi_show_info(struct seq_file *m, - struct Scsi_Host *sh); - -static int cciss_scsi_queue_command (struct Scsi_Host *h, - struct scsi_cmnd *cmd); -static int cciss_eh_device_reset_handler(struct scsi_cmnd *); -static int cciss_eh_abort_handler(struct scsi_cmnd *); - -static struct cciss_scsi_hba_t ccissscsi[MAX_CTLR] = { - { .name = "cciss0", .ndevices = 0 }, - { .name = "cciss1", .ndevices = 0 }, - { .name = "cciss2", .ndevices = 0 }, - { .name = "cciss3", .ndevices = 0 }, - { .name = "cciss4", .ndevices = 0 }, - { .name = "cciss5", .ndevices = 0 }, - { .name = "cciss6", .ndevices = 0 }, - { .name = "cciss7", .ndevices = 0 }, -}; - -static struct scsi_host_template cciss_driver_template = { - .module = THIS_MODULE, - .name = "cciss", - .proc_name = "cciss", - .write_info = cciss_scsi_write_info, - .show_info = cciss_scsi_show_info, - .queuecommand = cciss_scsi_queue_command, - .this_id = 7, - .use_clustering = DISABLE_CLUSTERING, - /* Can't have eh_bus_reset_handler or eh_host_reset_handler for cciss */ - .eh_device_reset_handler= cciss_eh_device_reset_handler, - .eh_abort_handler = cciss_eh_abort_handler, -}; - -#pragma pack(1) - -#define SCSI_PAD_32 8 -#define SCSI_PAD_64 8 - -struct cciss_scsi_cmd_stack_elem_t { - CommandList_struct cmd; - ErrorInfo_struct Err; - __u32 busaddr; - int cmdindex; - u8 pad[IS_32_BIT * SCSI_PAD_32 + IS_64_BIT * SCSI_PAD_64]; -}; - -#pragma pack() - -#pragma pack(1) -struct cciss_scsi_cmd_stack_t { - struct cciss_scsi_cmd_stack_elem_t *pool; - struct cciss_scsi_cmd_stack_elem_t **elem; - dma_addr_t cmd_pool_handle; - int top; - int nelems; -}; -#pragma pack() - -struct cciss_scsi_adapter_data_t { - struct Scsi_Host *scsi_host; - struct cciss_scsi_cmd_stack_t cmd_stack; - SGDescriptor_struct **cmd_sg_list; - int registered; - spinlock_t lock; // to protect ccissscsi[ctlr]; -}; - -#define CPQ_TAPE_LOCK(h, flags) spin_lock_irqsave( \ - &h->scsi_ctlr->lock, flags); -#define CPQ_TAPE_UNLOCK(h, flags) spin_unlock_irqrestore( \ - &h->scsi_ctlr->lock, flags); - -static CommandList_struct * -scsi_cmd_alloc(ctlr_info_t *h) -{ - /* assume only one process in here at a time, locking done by caller. */ - /* use h->lock */ - /* might be better to rewrite how we allocate scsi commands in a way that */ - /* needs no locking at all. */ - - /* take the top memory chunk off the stack and return it, if any. */ - struct cciss_scsi_cmd_stack_elem_t *c; - struct cciss_scsi_adapter_data_t *sa; - struct cciss_scsi_cmd_stack_t *stk; - u64bit temp64; - - sa = h->scsi_ctlr; - stk = &sa->cmd_stack; - - if (stk->top < 0) - return NULL; - c = stk->elem[stk->top]; - /* memset(c, 0, sizeof(*c)); */ - memset(&c->cmd, 0, sizeof(c->cmd)); - memset(&c->Err, 0, sizeof(c->Err)); - /* set physical addr of cmd and addr of scsi parameters */ - c->cmd.busaddr = c->busaddr; - c->cmd.cmdindex = c->cmdindex; - /* (__u32) (stk->cmd_pool_handle + - (sizeof(struct cciss_scsi_cmd_stack_elem_t)*stk->top)); */ - - temp64.val = (__u64) (c->busaddr + sizeof(CommandList_struct)); - /* (__u64) (stk->cmd_pool_handle + - (sizeof(struct cciss_scsi_cmd_stack_elem_t)*stk->top) + - sizeof(CommandList_struct)); */ - stk->top--; - c->cmd.ErrDesc.Addr.lower = temp64.val32.lower; - c->cmd.ErrDesc.Addr.upper = temp64.val32.upper; - c->cmd.ErrDesc.Len = sizeof(ErrorInfo_struct); - - c->cmd.ctlr = h->ctlr; - c->cmd.err_info = &c->Err; - - return (CommandList_struct *) c; -} - -static void -scsi_cmd_free(ctlr_info_t *h, CommandList_struct *c) -{ - /* assume only one process in here at a time, locking done by caller. */ - /* use h->lock */ - /* drop the free memory chunk on top of the stack. */ - - struct cciss_scsi_adapter_data_t *sa; - struct cciss_scsi_cmd_stack_t *stk; - - sa = h->scsi_ctlr; - stk = &sa->cmd_stack; - stk->top++; - if (stk->top >= stk->nelems) { - dev_err(&h->pdev->dev, - "scsi_cmd_free called too many times.\n"); - BUG(); - } - stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) c; -} - -static int -scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa) -{ - int i; - struct cciss_scsi_cmd_stack_t *stk; - size_t size; - - stk = &sa->cmd_stack; - stk->nelems = cciss_tape_cmds + 2; - sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(h, - h->chainsize, stk->nelems); - if (!sa->cmd_sg_list && h->chainsize > 0) - return -ENOMEM; - - size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * stk->nelems; - - /* Check alignment, see cciss_cmd.h near CommandList_struct def. */ - BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0); - /* pci_alloc_consistent guarantees 32-bit DMA address will be used */ - stk->pool = (struct cciss_scsi_cmd_stack_elem_t *) - pci_alloc_consistent(h->pdev, size, &stk->cmd_pool_handle); - - if (stk->pool == NULL) { - cciss_free_sg_chain_blocks(sa->cmd_sg_list, stk->nelems); - sa->cmd_sg_list = NULL; - return -ENOMEM; - } - stk->elem = kmalloc(sizeof(stk->elem[0]) * stk->nelems, GFP_KERNEL); - if (!stk->elem) { - pci_free_consistent(h->pdev, size, stk->pool, - stk->cmd_pool_handle); - return -1; - } - for (i = 0; i < stk->nelems; i++) { - stk->elem[i] = &stk->pool[i]; - stk->elem[i]->busaddr = (__u32) (stk->cmd_pool_handle + - (sizeof(struct cciss_scsi_cmd_stack_elem_t) * i)); - stk->elem[i]->cmdindex = i; - } - stk->top = stk->nelems-1; - return 0; -} - -static void -scsi_cmd_stack_free(ctlr_info_t *h) -{ - struct cciss_scsi_adapter_data_t *sa; - struct cciss_scsi_cmd_stack_t *stk; - size_t size; - - sa = h->scsi_ctlr; - stk = &sa->cmd_stack; - if (stk->top != stk->nelems-1) { - dev_warn(&h->pdev->dev, - "bug: %d scsi commands are still outstanding.\n", - stk->nelems - stk->top); - } - size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * stk->nelems; - - pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle); - stk->pool = NULL; - cciss_free_sg_chain_blocks(sa->cmd_sg_list, stk->nelems); - kfree(stk->elem); - stk->elem = NULL; -} - -#if 0 -static void -print_cmd(CommandList_struct *cp) -{ - printk("queue:%d\n", cp->Header.ReplyQueue); - printk("sglist:%d\n", cp->Header.SGList); - printk("sgtot:%d\n", cp->Header.SGTotal); - printk("Tag:0x%08x/0x%08x\n", cp->Header.Tag.upper, - cp->Header.Tag.lower); - printk("LUN:0x%8phN\n", cp->Header.LUN.LunAddrBytes); - printk("CDBLen:%d\n", cp->Request.CDBLen); - printk("Type:%d\n",cp->Request.Type.Type); - printk("Attr:%d\n",cp->Request.Type.Attribute); - printk(" Dir:%d\n",cp->Request.Type.Direction); - printk("Timeout:%d\n",cp->Request.Timeout); - printk("CDB: %16ph\n", cp->Request.CDB); - printk("edesc.Addr: 0x%08x/0%08x, Len = %d\n", - cp->ErrDesc.Addr.upper, cp->ErrDesc.Addr.lower, - cp->ErrDesc.Len); - printk("sgs..........Errorinfo:\n"); - printk("scsistatus:%d\n", cp->err_info->ScsiStatus); - printk("senselen:%d\n", cp->err_info->SenseLen); - printk("cmd status:%d\n", cp->err_info->CommandStatus); - printk("resid cnt:%d\n", cp->err_info->ResidualCnt); - printk("offense size:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_size); - printk("offense byte:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_num); - printk("offense value:%d\n", cp->err_info->MoreErrInfo.Invalid_Cmd.offense_value); -} -#endif - -static int -find_bus_target_lun(ctlr_info_t *h, int *bus, int *target, int *lun) -{ - /* finds an unused bus, target, lun for a new device */ - /* assumes h->scsi_ctlr->lock is held */ - int i, found=0; - unsigned char target_taken[CCISS_MAX_SCSI_DEVS_PER_HBA]; - - memset(&target_taken[0], 0, CCISS_MAX_SCSI_DEVS_PER_HBA); - - target_taken[SELF_SCSI_ID] = 1; - for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) - target_taken[ccissscsi[h->ctlr].dev[i].target] = 1; - - for (i = 0; i < CCISS_MAX_SCSI_DEVS_PER_HBA; i++) { - if (!target_taken[i]) { - *bus = 0; *target=i; *lun = 0; found=1; - break; - } - } - return (!found); -} -struct scsi2map { - char scsi3addr[8]; - int bus, target, lun; -}; - -static int -cciss_scsi_add_entry(ctlr_info_t *h, int hostno, - struct cciss_scsi_dev_t *device, - struct scsi2map *added, int *nadded) -{ - /* assumes h->scsi_ctlr->lock is held */ - int n = ccissscsi[h->ctlr].ndevices; - struct cciss_scsi_dev_t *sd; - int i, bus, target, lun; - unsigned char addr1[8], addr2[8]; - - if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) { - dev_warn(&h->pdev->dev, "Too many devices, " - "some will be inaccessible.\n"); - return -1; - } - - bus = target = -1; - lun = 0; - /* Is this device a non-zero lun of a multi-lun device */ - /* byte 4 of the 8-byte LUN addr will contain the logical unit no. */ - if (device->scsi3addr[4] != 0) { - /* Search through our list and find the device which */ - /* has the same 8 byte LUN address, excepting byte 4. */ - /* Assign the same bus and target for this new LUN. */ - /* Use the logical unit number from the firmware. */ - memcpy(addr1, device->scsi3addr, 8); - addr1[4] = 0; - for (i = 0; i < n; i++) { - sd = &ccissscsi[h->ctlr].dev[i]; - memcpy(addr2, sd->scsi3addr, 8); - addr2[4] = 0; - /* differ only in byte 4? */ - if (memcmp(addr1, addr2, 8) == 0) { - bus = sd->bus; - target = sd->target; - lun = device->scsi3addr[4]; - break; - } - } - } - - sd = &ccissscsi[h->ctlr].dev[n]; - if (lun == 0) { - if (find_bus_target_lun(h, - &sd->bus, &sd->target, &sd->lun) != 0) - return -1; - } else { - sd->bus = bus; - sd->target = target; - sd->lun = lun; - } - added[*nadded].bus = sd->bus; - added[*nadded].target = sd->target; - added[*nadded].lun = sd->lun; - (*nadded)++; - - memcpy(sd->scsi3addr, device->scsi3addr, 8); - memcpy(sd->vendor, device->vendor, sizeof(sd->vendor)); - memcpy(sd->revision, device->revision, sizeof(sd->revision)); - memcpy(sd->device_id, device->device_id, sizeof(sd->device_id)); - sd->devtype = device->devtype; - - ccissscsi[h->ctlr].ndevices++; - - /* initially, (before registering with scsi layer) we don't - know our hostno and we don't want to print anything first - time anyway (the scsi layer's inquiries will show that info) */ - if (hostno != -1) - dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d added.\n", - scsi_device_type(sd->devtype), hostno, - sd->bus, sd->target, sd->lun); - return 0; -} - -static void -cciss_scsi_remove_entry(ctlr_info_t *h, int hostno, int entry, - struct scsi2map *removed, int *nremoved) -{ - /* assumes h->ctlr]->scsi_ctlr->lock is held */ - int i; - struct cciss_scsi_dev_t sd; - - if (entry < 0 || entry >= CCISS_MAX_SCSI_DEVS_PER_HBA) return; - sd = ccissscsi[h->ctlr].dev[entry]; - removed[*nremoved].bus = sd.bus; - removed[*nremoved].target = sd.target; - removed[*nremoved].lun = sd.lun; - (*nremoved)++; - for (i = entry; i < ccissscsi[h->ctlr].ndevices-1; i++) - ccissscsi[h->ctlr].dev[i] = ccissscsi[h->ctlr].dev[i+1]; - ccissscsi[h->ctlr].ndevices--; - dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d removed.\n", - scsi_device_type(sd.devtype), hostno, - sd.bus, sd.target, sd.lun); -} - - -#define SCSI3ADDR_EQ(a,b) ( \ - (a)[7] == (b)[7] && \ - (a)[6] == (b)[6] && \ - (a)[5] == (b)[5] && \ - (a)[4] == (b)[4] && \ - (a)[3] == (b)[3] && \ - (a)[2] == (b)[2] && \ - (a)[1] == (b)[1] && \ - (a)[0] == (b)[0]) - -static void fixup_botched_add(ctlr_info_t *h, char *scsi3addr) -{ - /* called when scsi_add_device fails in order to re-adjust */ - /* ccissscsi[] to match the mid layer's view. */ - unsigned long flags; - int i, j; - CPQ_TAPE_LOCK(h, flags); - for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { - if (memcmp(scsi3addr, - ccissscsi[h->ctlr].dev[i].scsi3addr, 8) == 0) { - for (j = i; j < ccissscsi[h->ctlr].ndevices-1; j++) - ccissscsi[h->ctlr].dev[j] = - ccissscsi[h->ctlr].dev[j+1]; - ccissscsi[h->ctlr].ndevices--; - break; - } - } - CPQ_TAPE_UNLOCK(h, flags); -} - -static int device_is_the_same(struct cciss_scsi_dev_t *dev1, - struct cciss_scsi_dev_t *dev2) -{ - return dev1->devtype == dev2->devtype && - memcmp(dev1->scsi3addr, dev2->scsi3addr, - sizeof(dev1->scsi3addr)) == 0 && - memcmp(dev1->device_id, dev2->device_id, - sizeof(dev1->device_id)) == 0 && - memcmp(dev1->vendor, dev2->vendor, - sizeof(dev1->vendor)) == 0 && - memcmp(dev1->model, dev2->model, - sizeof(dev1->model)) == 0 && - memcmp(dev1->revision, dev2->revision, - sizeof(dev1->revision)) == 0; -} - -static int -adjust_cciss_scsi_table(ctlr_info_t *h, int hostno, - struct cciss_scsi_dev_t sd[], int nsds) -{ - /* sd contains scsi3 addresses and devtypes, but - bus target and lun are not filled in. This funciton - takes what's in sd to be the current and adjusts - ccissscsi[] to be in line with what's in sd. */ - - int i,j, found, changes=0; - struct cciss_scsi_dev_t *csd; - unsigned long flags; - struct scsi2map *added, *removed; - int nadded, nremoved; - struct Scsi_Host *sh = NULL; - - added = kzalloc(sizeof(*added) * CCISS_MAX_SCSI_DEVS_PER_HBA, - GFP_KERNEL); - removed = kzalloc(sizeof(*removed) * CCISS_MAX_SCSI_DEVS_PER_HBA, - GFP_KERNEL); - - if (!added || !removed) { - dev_warn(&h->pdev->dev, - "Out of memory in adjust_cciss_scsi_table\n"); - goto free_and_out; - } - - CPQ_TAPE_LOCK(h, flags); - - if (hostno != -1) /* if it's not the first time... */ - sh = h->scsi_ctlr->scsi_host; - - /* find any devices in ccissscsi[] that are not in - sd[] and remove them from ccissscsi[] */ - - i = 0; - nremoved = 0; - nadded = 0; - while (i < ccissscsi[h->ctlr].ndevices) { - csd = &ccissscsi[h->ctlr].dev[i]; - found=0; - for (j=0;j<nsds;j++) { - if (SCSI3ADDR_EQ(sd[j].scsi3addr, - csd->scsi3addr)) { - if (device_is_the_same(&sd[j], csd)) - found=2; - else - found=1; - break; - } - } - - if (found == 0) { /* device no longer present. */ - changes++; - cciss_scsi_remove_entry(h, hostno, i, - removed, &nremoved); - /* remove ^^^, hence i not incremented */ - } else if (found == 1) { /* device is different in some way */ - changes++; - dev_info(&h->pdev->dev, - "device c%db%dt%dl%d has changed.\n", - hostno, csd->bus, csd->target, csd->lun); - cciss_scsi_remove_entry(h, hostno, i, - removed, &nremoved); - /* remove ^^^, hence i not incremented */ - if (cciss_scsi_add_entry(h, hostno, &sd[j], - added, &nadded) != 0) - /* we just removed one, so add can't fail. */ - BUG(); - csd->devtype = sd[j].devtype; - memcpy(csd->device_id, sd[j].device_id, - sizeof(csd->device_id)); - memcpy(csd->vendor, sd[j].vendor, - sizeof(csd->vendor)); - memcpy(csd->model, sd[j].model, - sizeof(csd->model)); - memcpy(csd->revision, sd[j].revision, - sizeof(csd->revision)); - } else /* device is same as it ever was, */ - i++; /* so just move along. */ - } - - /* Now, make sure every device listed in sd[] is also - listed in ccissscsi[], adding them if they aren't found */ - - for (i=0;i<nsds;i++) { - found=0; - for (j = 0; j < ccissscsi[h->ctlr].ndevices; j++) { - csd = &ccissscsi[h->ctlr].dev[j]; - if (SCSI3ADDR_EQ(sd[i].scsi3addr, - csd->scsi3addr)) { - if (device_is_the_same(&sd[i], csd)) - found=2; /* found device */ - else - found=1; /* found a bug. */ - break; - } - } - if (!found) { - changes++; - if (cciss_scsi_add_entry(h, hostno, &sd[i], - added, &nadded) != 0) - break; - } else if (found == 1) { - /* should never happen... */ - changes++; - dev_warn(&h->pdev->dev, - "device unexpectedly changed\n"); - /* but if it does happen, we just ignore that device */ - } - } - CPQ_TAPE_UNLOCK(h, flags); - - /* Don't notify scsi mid layer of any changes the first time through */ - /* (or if there are no changes) scsi_scan_host will do it later the */ - /* first time through. */ - if (hostno == -1 || !changes) - goto free_and_out; - - /* Notify scsi mid layer of any removed devices */ - for (i = 0; i < nremoved; i++) { - struct scsi_device *sdev = - scsi_device_lookup(sh, removed[i].bus, - removed[i].target, removed[i].lun); - if (sdev != NULL) { - scsi_remove_device(sdev); - scsi_device_put(sdev); - } else { - /* We don't expect to get here. */ - /* future cmds to this device will get selection */ - /* timeout as if the device was gone. */ - dev_warn(&h->pdev->dev, "didn't find " - "c%db%dt%dl%d\n for removal.", - hostno, removed[i].bus, - removed[i].target, removed[i].lun); - } - } - - /* Notify scsi mid layer of any added devices */ - for (i = 0; i < nadded; i++) { - int rc; - rc = scsi_add_device(sh, added[i].bus, - added[i].target, added[i].lun); - if (rc == 0) - continue; - dev_warn(&h->pdev->dev, "scsi_add_device " - "c%db%dt%dl%d failed, device not added.\n", - hostno, added[i].bus, added[i].target, added[i].lun); - /* now we have to remove it from ccissscsi, */ - /* since it didn't get added to scsi mid layer */ - fixup_botched_add(h, added[i].scsi3addr); - } - -free_and_out: - kfree(added); - kfree(removed); - return 0; -} - -static int -lookup_scsi3addr(ctlr_info_t *h, int bus, int target, int lun, char *scsi3addr) -{ - int i; - struct cciss_scsi_dev_t *sd; - unsigned long flags; - - CPQ_TAPE_LOCK(h, flags); - for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { - sd = &ccissscsi[h->ctlr].dev[i]; - if (sd->bus == bus && - sd->target == target && - sd->lun == lun) { - memcpy(scsi3addr, &sd->scsi3addr[0], 8); - CPQ_TAPE_UNLOCK(h, flags); - return 0; - } - } - CPQ_TAPE_UNLOCK(h, flags); - return -1; -} - -static void -cciss_scsi_setup(ctlr_info_t *h) -{ - struct cciss_scsi_adapter_data_t * shba; - - ccissscsi[h->ctlr].ndevices = 0; - shba = kmalloc(sizeof(*shba), GFP_KERNEL); - if (shba == NULL) - return; - shba->scsi_host = NULL; - spin_lock_init(&shba->lock); - shba->registered = 0; - if (scsi_cmd_stack_setup(h, shba) != 0) { - kfree(shba); - shba = NULL; - } - h->scsi_ctlr = shba; - return; -} - -static void complete_scsi_command(CommandList_struct *c, int timeout, - __u32 tag) -{ - struct scsi_cmnd *cmd; - ctlr_info_t *h; - ErrorInfo_struct *ei; - - ei = c->err_info; - - /* First, see if it was a message rather than a command */ - if (c->Request.Type.Type == TYPE_MSG) { - c->cmd_type = CMD_MSG_DONE; - return; - } - - cmd = (struct scsi_cmnd *) c->scsi_cmd; - h = hba[c->ctlr]; - - scsi_dma_unmap(cmd); - if (c->Header.SGTotal > h->max_cmd_sgentries) - cciss_unmap_sg_chain_block(h, c); - - cmd->result = (DID_OK << 16); /* host byte */ - cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */ - /* cmd->result |= (GOOD < 1); */ /* status byte */ - - cmd->result |= (ei->ScsiStatus); - /* printk("Scsistatus is 0x%02x\n", ei->ScsiStatus); */ - - /* copy the sense data whether we need to or not. */ - - memcpy(cmd->sense_buffer, ei->SenseInfo, - ei->SenseLen > SCSI_SENSE_BUFFERSIZE ? - SCSI_SENSE_BUFFERSIZE : - ei->SenseLen); - scsi_set_resid(cmd, ei->ResidualCnt); - - if (ei->CommandStatus != 0) { /* an error has occurred */ - switch (ei->CommandStatus) { - case CMD_TARGET_STATUS: - /* Pass it up to the upper layers... */ - if (!ei->ScsiStatus) { - - /* Ordinarily, this case should never happen, but there is a bug - in some released firmware revisions that allows it to happen - if, for example, a 4100 backplane loses power and the tape - drive is in it. We assume that it's a fatal error of some - kind because we can't show that it wasn't. We will make it - look like selection timeout since that is the most common - reason for this to occur, and it's severe enough. */ - - cmd->result = DID_NO_CONNECT << 16; - } - break; - case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ - break; - case CMD_DATA_OVERRUN: - dev_warn(&h->pdev->dev, "%p has" - " completed with data overrun " - "reported\n", c); - break; - case CMD_INVALID: { - /* - print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, c, sizeof(*c), false); - print_cmd(c); - */ - /* We get CMD_INVALID if you address a non-existent tape drive instead - of a selection timeout (no response). You will see this if you yank - out a tape drive, then try to access it. This is kind of a shame - because it means that any other CMD_INVALID (e.g. driver bug) will - get interpreted as a missing target. */ - cmd->result = DID_NO_CONNECT << 16; - } - break; - case CMD_PROTOCOL_ERR: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, - "%p has protocol error\n", c); - break; - case CMD_HARDWARE_ERR: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, - "%p had hardware error\n", c); - break; - case CMD_CONNECTION_LOST: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, - "%p had connection lost\n", c); - break; - case CMD_ABORTED: - cmd->result = DID_ABORT << 16; - dev_warn(&h->pdev->dev, "%p was aborted\n", c); - break; - case CMD_ABORT_FAILED: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, - "%p reports abort failed\n", c); - break; - case CMD_UNSOLICITED_ABORT: - cmd->result = DID_ABORT << 16; - dev_warn(&h->pdev->dev, "%p aborted due to an " - "unsolicited abort\n", c); - break; - case CMD_TIMEOUT: - cmd->result = DID_TIME_OUT << 16; - dev_warn(&h->pdev->dev, "%p timedout\n", c); - break; - case CMD_UNABORTABLE: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, "c %p command " - "unabortable\n", c); - break; - default: - cmd->result = DID_ERROR << 16; - dev_warn(&h->pdev->dev, - "%p returned unknown status %x\n", c, - ei->CommandStatus); - } - } - cmd->scsi_done(cmd); - scsi_cmd_free(h, c); -} - -static int -cciss_scsi_detect(ctlr_info_t *h) -{ - struct Scsi_Host *sh; - int error; - - sh = scsi_host_alloc(&cciss_driver_template, sizeof(struct ctlr_info *)); - if (sh == NULL) - goto fail; - sh->io_port = 0; // good enough? FIXME, - sh->n_io_port = 0; // I don't think we use these two... - sh->this_id = SELF_SCSI_ID; - sh->can_queue = cciss_tape_cmds; - sh->sg_tablesize = h->maxsgentries; - sh->max_cmd_len = MAX_COMMAND_SIZE; - sh->max_sectors = h->cciss_max_sectors; - - ((struct cciss_scsi_adapter_data_t *) - h->scsi_ctlr)->scsi_host = sh; - sh->hostdata[0] = (unsigned long) h; - sh->irq = h->intr[SIMPLE_MODE_INT]; - sh->unique_id = sh->irq; - error = scsi_add_host(sh, &h->pdev->dev); - if (error) - goto fail_host_put; - scsi_scan_host(sh); - return 1; - - fail_host_put: - scsi_host_put(sh); - fail: - return 0; -} - -static void -cciss_unmap_one(struct pci_dev *pdev, - CommandList_struct *c, - size_t buflen, - int data_direction) -{ - u64bit addr64; - - addr64.val32.lower = c->SG[0].Addr.lower; - addr64.val32.upper = c->SG[0].Addr.upper; - pci_unmap_single(pdev, (dma_addr_t) addr64.val, buflen, data_direction); -} - -static void -cciss_map_one(struct pci_dev *pdev, - CommandList_struct *c, - unsigned char *buf, - size_t buflen, - int data_direction) -{ - __u64 addr64; - - addr64 = (__u64) pci_map_single(pdev, buf, buflen, data_direction); - c->SG[0].Addr.lower = - (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF); - c->SG[0].Addr.upper = - (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF); - c->SG[0].Len = buflen; - c->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */ - c->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */ -} - -static int -cciss_scsi_do_simple_cmd(ctlr_info_t *h, - CommandList_struct *c, - unsigned char *scsi3addr, - unsigned char *cdb, - unsigned char cdblen, - unsigned char *buf, int bufsize, - int direction) -{ - DECLARE_COMPLETION_ONSTACK(wait); - - c->cmd_type = CMD_IOCTL_PEND; /* treat this like an ioctl */ - c->scsi_cmd = NULL; - c->Header.ReplyQueue = 0; /* unused in simple mode */ - memcpy(&c->Header.LUN, scsi3addr, sizeof(c->Header.LUN)); - c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */ - // Fill in the request block... - - /* printk("Using scsi3addr 0x%02x%0x2%0x2%0x2%0x2%0x2%0x2%0x2\n", - scsi3addr[0], scsi3addr[1], scsi3addr[2], scsi3addr[3], - scsi3addr[4], scsi3addr[5], scsi3addr[6], scsi3addr[7]); */ - - memset(c->Request.CDB, 0, sizeof(c->Request.CDB)); - memcpy(c->Request.CDB, cdb, cdblen); - c->Request.Timeout = 0; - c->Request.CDBLen = cdblen; - c->Request.Type.Type = TYPE_CMD; - c->Request.Type.Attribute = ATTR_SIMPLE; - c->Request.Type.Direction = direction; - - /* Fill in the SG list and do dma mapping */ - cciss_map_one(h->pdev, c, (unsigned char *) buf, - bufsize, DMA_FROM_DEVICE); - - c->waiting = &wait; - enqueue_cmd_and_start_io(h, c); - wait_for_completion(&wait); - - /* undo the dma mapping */ - cciss_unmap_one(h->pdev, c, bufsize, DMA_FROM_DEVICE); - return(0); -} - -static void -cciss_scsi_interpret_error(ctlr_info_t *h, CommandList_struct *c) -{ - ErrorInfo_struct *ei; - - ei = c->err_info; - switch (ei->CommandStatus) { - case CMD_TARGET_STATUS: - dev_warn(&h->pdev->dev, - "cmd %p has completed with errors\n", c); - dev_warn(&h->pdev->dev, - "cmd %p has SCSI Status = %x\n", - c, ei->ScsiStatus); - if (ei->ScsiStatus == 0) - dev_warn(&h->pdev->dev, - "SCSI status is abnormally zero. " - "(probably indicates selection timeout " - "reported incorrectly due to a known " - "firmware bug, circa July, 2001.)\n"); - break; - case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ - dev_info(&h->pdev->dev, "UNDERRUN\n"); - break; - case CMD_DATA_OVERRUN: - dev_warn(&h->pdev->dev, "%p has" - " completed with data overrun " - "reported\n", c); - break; - case CMD_INVALID: { - /* controller unfortunately reports SCSI passthru's */ - /* to non-existent targets as invalid commands. */ - dev_warn(&h->pdev->dev, - "%p is reported invalid (probably means " - "target device no longer present)\n", c); - /* - print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, c, sizeof(*c), false); - print_cmd(c); - */ - } - break; - case CMD_PROTOCOL_ERR: - dev_warn(&h->pdev->dev, "%p has protocol error\n", c); - break; - case CMD_HARDWARE_ERR: - /* cmd->result = DID_ERROR << 16; */ - dev_warn(&h->pdev->dev, "%p had hardware error\n", c); - break; - case CMD_CONNECTION_LOST: - dev_warn(&h->pdev->dev, "%p had connection lost\n", c); - break; - case CMD_ABORTED: - dev_warn(&h->pdev->dev, "%p was aborted\n", c); - break; - case CMD_ABORT_FAILED: - dev_warn(&h->pdev->dev, - "%p reports abort failed\n", c); - break; - case CMD_UNSOLICITED_ABORT: - dev_warn(&h->pdev->dev, - "%p aborted due to an unsolicited abort\n", c); - break; - case CMD_TIMEOUT: - dev_warn(&h->pdev->dev, "%p timedout\n", c); - break; - case CMD_UNABORTABLE: - dev_warn(&h->pdev->dev, - "%p unabortable\n", c); - break; - default: - dev_warn(&h->pdev->dev, - "%p returned unknown status %x\n", - c, ei->CommandStatus); - } -} - -static int -cciss_scsi_do_inquiry(ctlr_info_t *h, unsigned char *scsi3addr, - unsigned char page, unsigned char *buf, - unsigned char bufsize) -{ - int rc; - CommandList_struct *c; - char cdb[6]; - ErrorInfo_struct *ei; - unsigned long flags; - - spin_lock_irqsave(&h->lock, flags); - c = scsi_cmd_alloc(h); - spin_unlock_irqrestore(&h->lock, flags); - - if (c == NULL) { /* trouble... */ - printk("cmd_alloc returned NULL!\n"); - return -1; - } - - ei = c->err_info; - - cdb[0] = CISS_INQUIRY; - cdb[1] = (page != 0); - cdb[2] = page; - cdb[3] = 0; - cdb[4] = bufsize; - cdb[5] = 0; - rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, cdb, - 6, buf, bufsize, XFER_READ); - - if (rc != 0) return rc; /* something went wrong */ - - if (ei->CommandStatus != 0 && - ei->CommandStatus != CMD_DATA_UNDERRUN) { - cciss_scsi_interpret_error(h, c); - rc = -1; - } - spin_lock_irqsave(&h->lock, flags); - scsi_cmd_free(h, c); - spin_unlock_irqrestore(&h->lock, flags); - return rc; -} - -/* Get the device id from inquiry page 0x83 */ -static int cciss_scsi_get_device_id(ctlr_info_t *h, unsigned char *scsi3addr, - unsigned char *device_id, int buflen) -{ - int rc; - unsigned char *buf; - - if (buflen > 16) - buflen = 16; - buf = kzalloc(64, GFP_KERNEL); - if (!buf) - return -1; - rc = cciss_scsi_do_inquiry(h, scsi3addr, 0x83, buf, 64); - if (rc == 0) - memcpy(device_id, &buf[8], buflen); - kfree(buf); - return rc != 0; -} - -static int -cciss_scsi_do_report_phys_luns(ctlr_info_t *h, - ReportLunData_struct *buf, int bufsize) -{ - int rc; - CommandList_struct *c; - unsigned char cdb[12]; - unsigned char scsi3addr[8]; - ErrorInfo_struct *ei; - unsigned long flags; - - spin_lock_irqsave(&h->lock, flags); - c = scsi_cmd_alloc(h); - spin_unlock_irqrestore(&h->lock, flags); - if (c == NULL) { /* trouble... */ - printk("cmd_alloc returned NULL!\n"); - return -1; - } - - memset(&scsi3addr[0], 0, 8); /* address the controller */ - cdb[0] = CISS_REPORT_PHYS; - cdb[1] = 0; - cdb[2] = 0; - cdb[3] = 0; - cdb[4] = 0; - cdb[5] = 0; - cdb[6] = (bufsize >> 24) & 0xFF; //MSB - cdb[7] = (bufsize >> 16) & 0xFF; - cdb[8] = (bufsize >> 8) & 0xFF; - cdb[9] = bufsize & 0xFF; - cdb[10] = 0; - cdb[11] = 0; - - rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, - cdb, 12, - (unsigned char *) buf, - bufsize, XFER_READ); - - if (rc != 0) return rc; /* something went wrong */ - - ei = c->err_info; - if (ei->CommandStatus != 0 && - ei->CommandStatus != CMD_DATA_UNDERRUN) { - cciss_scsi_interpret_error(h, c); - rc = -1; - } - spin_lock_irqsave(&h->lock, flags); - scsi_cmd_free(h, c); - spin_unlock_irqrestore(&h->lock, flags); - return rc; -} - -static void -cciss_update_non_disk_devices(ctlr_info_t *h, int hostno) -{ - /* the idea here is we could get notified from /proc - that some devices have changed, so we do a report - physical luns cmd, and adjust our list of devices - accordingly. (We can't rely on the scsi-mid layer just - doing inquiries, because the "busses" that the scsi - mid-layer probes are totally fabricated by this driver, - so new devices wouldn't show up. - - the scsi3addr's of devices won't change so long as the - adapter is not reset. That means we can rescan and - tell which devices we already know about, vs. new - devices, vs. disappearing devices. - - Also, if you yank out a tape drive, then put in a disk - in it's place, (say, a configured volume from another - array controller for instance) _don't_ poke this driver - (so it thinks it's still a tape, but _do_ poke the scsi - mid layer, so it does an inquiry... the scsi mid layer - will see the physical disk. This would be bad. Need to - think about how to prevent that. One idea would be to - snoop all scsi responses and if an inquiry repsonse comes - back that reports a disk, chuck it an return selection - timeout instead and adjust our table... Not sure i like - that though. - - */ -#define OBDR_TAPE_INQ_SIZE 49 -#define OBDR_TAPE_SIG "$DR-10" - ReportLunData_struct *ld_buff; - unsigned char *inq_buff; - unsigned char scsi3addr[8]; - __u32 num_luns=0; - unsigned char *ch; - struct cciss_scsi_dev_t *currentsd, *this_device; - int ncurrent=0; - int reportlunsize = sizeof(*ld_buff) + CISS_MAX_PHYS_LUN * 8; - int i; - - ld_buff = kzalloc(reportlunsize, GFP_KERNEL); - inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); - currentsd = kzalloc(sizeof(*currentsd) * - (CCISS_MAX_SCSI_DEVS_PER_HBA+1), GFP_KERNEL); - if (ld_buff == NULL || inq_buff == NULL || currentsd == NULL) { - printk(KERN_ERR "cciss: out of memory\n"); - goto out; - } - this_device = ¤tsd[CCISS_MAX_SCSI_DEVS_PER_HBA]; - if (cciss_scsi_do_report_phys_luns(h, ld_buff, reportlunsize) == 0) { - ch = &ld_buff->LUNListLength[0]; - num_luns = ((ch[0]<<24) | (ch[1]<<16) | (ch[2]<<8) | ch[3]) / 8; - if (num_luns > CISS_MAX_PHYS_LUN) { - printk(KERN_WARNING - "cciss: Maximum physical LUNs (%d) exceeded. " - "%d LUNs ignored.\n", CISS_MAX_PHYS_LUN, - num_luns - CISS_MAX_PHYS_LUN); - num_luns = CISS_MAX_PHYS_LUN; - } - } - else { - printk(KERN_ERR "cciss: Report physical LUNs failed.\n"); - goto out; - } - - - /* adjust our table of devices */ - for (i = 0; i < num_luns; i++) { - /* for each physical lun, do an inquiry */ - if (ld_buff->LUN[i][3] & 0xC0) continue; - memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE); - memcpy(&scsi3addr[0], &ld_buff->LUN[i][0], 8); - - if (cciss_scsi_do_inquiry(h, scsi3addr, 0, inq_buff, - (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) - /* Inquiry failed (msg printed already) */ - continue; /* so we will skip this device. */ - - this_device->devtype = (inq_buff[0] & 0x1f); - this_device->bus = -1; - this_device->target = -1; - this_device->lun = -1; - memcpy(this_device->scsi3addr, scsi3addr, 8); - memcpy(this_device->vendor, &inq_buff[8], - sizeof(this_device->vendor)); - memcpy(this_device->model, &inq_buff[16], - sizeof(this_device->model)); - memcpy(this_device->revision, &inq_buff[32], - sizeof(this_device->revision)); - memset(this_device->device_id, 0, - sizeof(this_device->device_id)); - cciss_scsi_get_device_id(h, scsi3addr, - this_device->device_id, sizeof(this_device->device_id)); - - switch (this_device->devtype) { - case 0x05: /* CD-ROM */ { - - /* We don't *really* support actual CD-ROM devices, - * just this "One Button Disaster Recovery" tape drive - * which temporarily pretends to be a CD-ROM drive. - * So we check that the device is really an OBDR tape - * device by checking for "$DR-10" in bytes 43-48 of - * the inquiry data. - */ - char obdr_sig[7]; - - strncpy(obdr_sig, &inq_buff[43], 6); - obdr_sig[6] = '\0'; - if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0) - /* Not OBDR device, ignore it. */ - break; - } - /* fall through . . . */ - case 0x01: /* sequential access, (tape) */ - case 0x08: /* medium changer */ - if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) { - printk(KERN_INFO "cciss%d: %s ignored, " - "too many devices.\n", h->ctlr, - scsi_device_type(this_device->devtype)); - break; - } - currentsd[ncurrent] = *this_device; - ncurrent++; - break; - default: - break; - } - } - - adjust_cciss_scsi_table(h, hostno, currentsd, ncurrent); -out: - kfree(inq_buff); - kfree(ld_buff); - kfree(currentsd); - return; -} - -static int -is_keyword(char *ptr, int len, char *verb) // Thanks to ncr53c8xx.c -{ - int verb_len = strlen(verb); - if (len >= verb_len && !memcmp(verb,ptr,verb_len)) - return verb_len; - else - return 0; -} - -static int -cciss_scsi_user_command(ctlr_info_t *h, int hostno, char *buffer, int length) -{ - int arg_len; - - if ((arg_len = is_keyword(buffer, length, "rescan")) != 0) - cciss_update_non_disk_devices(h, hostno); - else - return -EINVAL; - return length; -} - -static int -cciss_scsi_write_info(struct Scsi_Host *sh, - char *buffer, /* data buffer */ - int length) /* length of data in buffer */ -{ - ctlr_info_t *h = (ctlr_info_t *) sh->hostdata[0]; - if (h == NULL) /* This really shouldn't ever happen. */ - return -EINVAL; - - return cciss_scsi_user_command(h, sh->host_no, - buffer, length); -} - -static int -cciss_scsi_show_info(struct seq_file *m, struct Scsi_Host *sh) -{ - - ctlr_info_t *h = (ctlr_info_t *) sh->hostdata[0]; - int i; - - if (h == NULL) /* This really shouldn't ever happen. */ - return -EINVAL; - - seq_printf(m, "cciss%d: SCSI host: %d\n", - h->ctlr, sh->host_no); - - /* this information is needed by apps to know which cciss - device corresponds to which scsi host number without - having to open a scsi target device node. The device - information is not a duplicate of /proc/scsi/scsi because - the two may be out of sync due to scsi hotplug, rather - this info is for an app to be able to use to know how to - get them back in sync. */ - - for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { - struct cciss_scsi_dev_t *sd = - &ccissscsi[h->ctlr].dev[i]; - seq_printf(m, "c%db%dt%dl%d %02d " - "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", - sh->host_no, sd->bus, sd->target, sd->lun, - sd->devtype, - sd->scsi3addr[0], sd->scsi3addr[1], - sd->scsi3addr[2], sd->scsi3addr[3], - sd->scsi3addr[4], sd->scsi3addr[5], - sd->scsi3addr[6], sd->scsi3addr[7]); - } - return 0; -} - -/* cciss_scatter_gather takes a struct scsi_cmnd, (cmd), and does the pci - dma mapping and fills in the scatter gather entries of the - cciss command, c. */ - -static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c, - struct scsi_cmnd *cmd) -{ - unsigned int len; - struct scatterlist *sg; - __u64 addr64; - int request_nsgs, i, chained, sg_index; - struct cciss_scsi_adapter_data_t *sa = h->scsi_ctlr; - SGDescriptor_struct *curr_sg; - - BUG_ON(scsi_sg_count(cmd) > h->maxsgentries); - - chained = 0; - sg_index = 0; - curr_sg = c->SG; - request_nsgs = scsi_dma_map(cmd); - if (request_nsgs) { - scsi_for_each_sg(cmd, sg, request_nsgs, i) { - if (sg_index + 1 == h->max_cmd_sgentries && - !chained && request_nsgs - i > 1) { - chained = 1; - sg_index = 0; - curr_sg = sa->cmd_sg_list[c->cmdindex]; - } - addr64 = (__u64) sg_dma_address(sg); - len = sg_dma_len(sg); - curr_sg[sg_index].Addr.lower = - (__u32) (addr64 & 0x0FFFFFFFFULL); - curr_sg[sg_index].Addr.upper = - (__u32) ((addr64 >> 32) & 0x0FFFFFFFFULL); - curr_sg[sg_index].Len = len; - curr_sg[sg_index].Ext = 0; - ++sg_index; - } - if (chained) - cciss_map_sg_chain_block(h, c, - sa->cmd_sg_list[c->cmdindex], - (request_nsgs - (h->max_cmd_sgentries - 1)) * - sizeof(SGDescriptor_struct)); - } - /* track how many SG entries we are using */ - if (request_nsgs > h->maxSG) - h->maxSG = request_nsgs; - c->Header.SGTotal = (u16) request_nsgs + chained; - if (request_nsgs > h->max_cmd_sgentries) - c->Header.SGList = h->max_cmd_sgentries; - else - c->Header.SGList = c->Header.SGTotal; - return; -} - - -static int -cciss_scsi_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) -{ - ctlr_info_t *h; - int rc; - unsigned char scsi3addr[8]; - CommandList_struct *c; - unsigned long flags; - - // Get the ptr to our adapter structure (hba[i]) out of cmd->host. - // We violate cmd->host privacy here. (Is there another way?) - h = (ctlr_info_t *) cmd->device->host->hostdata[0]; - - rc = lookup_scsi3addr(h, cmd->device->channel, cmd->device->id, - cmd->device->lun, scsi3addr); - if (rc != 0) { - /* the scsi nexus does not match any that we presented... */ - /* pretend to mid layer that we got selection timeout */ - cmd->result = DID_NO_CONNECT << 16; - done(cmd); - /* we might want to think about registering controller itself - as a processor device on the bus so sg binds to it. */ - return 0; - } - - /* Ok, we have a reasonable scsi nexus, so send the cmd down, and - see what the device thinks of it. */ - - spin_lock_irqsave(&h->lock, flags); - c = scsi_cmd_alloc(h); - spin_unlock_irqrestore(&h->lock, flags); - if (c == NULL) { /* trouble... */ - dev_warn(&h->pdev->dev, "scsi_cmd_alloc returned NULL!\n"); - /* FIXME: next 3 lines are -> BAD! <- */ - cmd->result = DID_NO_CONNECT << 16; - done(cmd); - return 0; - } - - // Fill in the command list header - - cmd->scsi_done = done; // save this for use by completion code - - /* save c in case we have to abort it */ - cmd->host_scribble = (unsigned char *) c; - - c->cmd_type = CMD_SCSI; - c->scsi_cmd = cmd; - c->Header.ReplyQueue = 0; /* unused in simple mode */ - memcpy(&c->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8); - c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */ - - // Fill in the request block... - - c->Request.Timeout = 0; - memset(c->Request.CDB, 0, sizeof(c->Request.CDB)); - BUG_ON(cmd->cmd_len > sizeof(c->Request.CDB)); - c->Request.CDBLen = cmd->cmd_len; - memcpy(c->Request.CDB, cmd->cmnd, cmd->cmd_len); - c->Request.Type.Type = TYPE_CMD; - c->Request.Type.Attribute = ATTR_SIMPLE; - switch (cmd->sc_data_direction) { - case DMA_TO_DEVICE: - c->Request.Type.Direction = XFER_WRITE; - break; - case DMA_FROM_DEVICE: - c->Request.Type.Direction = XFER_READ; - break; - case DMA_NONE: - c->Request.Type.Direction = XFER_NONE; - break; - case DMA_BIDIRECTIONAL: - // This can happen if a buggy application does a scsi passthru - // and sets both inlen and outlen to non-zero. ( see - // ../scsi/scsi_ioctl.c:scsi_ioctl_send_command() ) - - c->Request.Type.Direction = XFER_RSVD; - // This is technically wrong, and cciss controllers should - // reject it with CMD_INVALID, which is the most correct - // response, but non-fibre backends appear to let it - // slide by, and give the same results as if this field - // were set correctly. Either way is acceptable for - // our purposes here. - - break; - - default: - dev_warn(&h->pdev->dev, "unknown data direction: %d\n", - cmd->sc_data_direction); - BUG(); - break; - } - cciss_scatter_gather(h, c, cmd); - enqueue_cmd_and_start_io(h, c); - /* the cmd'll come back via intr handler in complete_scsi_command() */ - return 0; -} - -static DEF_SCSI_QCMD(cciss_scsi_queue_command) - -static void cciss_unregister_scsi(ctlr_info_t *h) -{ - struct cciss_scsi_adapter_data_t *sa; - struct cciss_scsi_cmd_stack_t *stk; - unsigned long flags; - - /* we are being forcibly unloaded, and may not refuse. */ - - spin_lock_irqsave(&h->lock, flags); - sa = h->scsi_ctlr; - stk = &sa->cmd_stack; - - /* if we weren't ever actually registered, don't unregister */ - if (sa->registered) { - spin_unlock_irqrestore(&h->lock, flags); - scsi_remove_host(sa->scsi_host); - scsi_host_put(sa->scsi_host); - spin_lock_irqsave(&h->lock, flags); - } - - /* set scsi_host to NULL so our detect routine will - find us on register */ - sa->scsi_host = NULL; - spin_unlock_irqrestore(&h->lock, flags); - scsi_cmd_stack_free(h); - kfree(sa); -} - -static int cciss_engage_scsi(ctlr_info_t *h) -{ - struct cciss_scsi_adapter_data_t *sa; - struct cciss_scsi_cmd_stack_t *stk; - unsigned long flags; - - spin_lock_irqsave(&h->lock, flags); - sa = h->scsi_ctlr; - stk = &sa->cmd_stack; - - if (sa->registered) { - dev_info(&h->pdev->dev, "SCSI subsystem already engaged.\n"); - spin_unlock_irqrestore(&h->lock, flags); - return -ENXIO; - } - sa->registered = 1; - spin_unlock_irqrestore(&h->lock, flags); - cciss_update_non_disk_devices(h, -1); - cciss_scsi_detect(h); - return 0; -} - -static void -cciss_seq_tape_report(struct seq_file *seq, ctlr_info_t *h) -{ - unsigned long flags; - - CPQ_TAPE_LOCK(h, flags); - seq_printf(seq, - "Sequential access devices: %d\n\n", - ccissscsi[h->ctlr].ndevices); - CPQ_TAPE_UNLOCK(h, flags); -} - -static int wait_for_device_to_become_ready(ctlr_info_t *h, - unsigned char lunaddr[]) -{ - int rc; - int count = 0; - int waittime = HZ; - CommandList_struct *c; - - c = cmd_alloc(h); - if (!c) { - dev_warn(&h->pdev->dev, "out of memory in " - "wait_for_device_to_become_ready.\n"); - return IO_ERROR; - } - - /* Send test unit ready until device ready, or give up. */ - while (count < 20) { - - /* Wait for a bit. do this first, because if we send - * the TUR right away, the reset will just abort it. - */ - schedule_timeout_uninterruptible(waittime); - count++; - - /* Increase wait time with each try, up to a point. */ - if (waittime < (HZ * 30)) - waittime = waittime * 2; - - /* Send the Test Unit Ready */ - rc = fill_cmd(h, c, TEST_UNIT_READY, NULL, 0, 0, - lunaddr, TYPE_CMD); - if (rc == 0) - rc = sendcmd_withirq_core(h, c, 0); - - (void) process_sendcmd_error(h, c); - - if (rc != 0) - goto retry_tur; - - if (c->err_info->CommandStatus == CMD_SUCCESS) - break; - - if (c->err_info->CommandStatus == CMD_TARGET_STATUS && - c->err_info->ScsiStatus == SAM_STAT_CHECK_CONDITION) { - if (c->err_info->SenseInfo[2] == NO_SENSE) - break; - if (c->err_info->SenseInfo[2] == UNIT_ATTENTION) { - unsigned char asc; - asc = c->err_info->SenseInfo[12]; - check_for_unit_attention(h, c); - if (asc == POWER_OR_RESET) - break; - } - } -retry_tur: - dev_warn(&h->pdev->dev, "Waiting %d secs " - "for device to become ready.\n", - waittime / HZ); - rc = 1; /* device not ready. */ - } - - if (rc) - dev_warn(&h->pdev->dev, "giving up on device.\n"); - else - dev_warn(&h->pdev->dev, "device is ready.\n"); - - cmd_free(h, c); - return rc; -} - -/* Need at least one of these error handlers to keep ../scsi/hosts.c from - * complaining. Doing a host- or bus-reset can't do anything good here. - * Despite what it might say in scsi_error.c, there may well be commands - * on the controller, as the cciss driver registers twice, once as a block - * device for the logical drives, and once as a scsi device, for any tape - * drives. So we know there are no commands out on the tape drives, but we - * don't know there are no commands on the controller, and it is likely - * that there probably are, as the cciss block device is most commonly used - * as a boot device (embedded controller on HP/Compaq systems.) -*/ - -static int cciss_eh_device_reset_handler(struct scsi_cmnd *scsicmd) -{ - int rc; - CommandList_struct *cmd_in_trouble; - unsigned char lunaddr[8]; - ctlr_info_t *h; - - /* find the controller to which the command to be aborted was sent */ - h = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; - if (h == NULL) /* paranoia */ - return FAILED; - dev_warn(&h->pdev->dev, "resetting tape drive or medium changer.\n"); - /* find the command that's giving us trouble */ - cmd_in_trouble = (CommandList_struct *) scsicmd->host_scribble; - if (cmd_in_trouble == NULL) /* paranoia */ - return FAILED; - memcpy(lunaddr, &cmd_in_trouble->Header.LUN.LunAddrBytes[0], 8); - /* send a reset to the SCSI LUN which the command was sent to */ - rc = sendcmd_withirq(h, CCISS_RESET_MSG, NULL, 0, 0, lunaddr, - TYPE_MSG); - if (rc == 0 && wait_for_device_to_become_ready(h, lunaddr) == 0) - return SUCCESS; - dev_warn(&h->pdev->dev, "resetting device failed.\n"); - return FAILED; -} - -static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd) -{ - int rc; - CommandList_struct *cmd_to_abort; - unsigned char lunaddr[8]; - ctlr_info_t *h; - - /* find the controller to which the command to be aborted was sent */ - h = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; - if (h == NULL) /* paranoia */ - return FAILED; - dev_warn(&h->pdev->dev, "aborting tardy SCSI cmd\n"); - - /* find the command to be aborted */ - cmd_to_abort = (CommandList_struct *) scsicmd->host_scribble; - if (cmd_to_abort == NULL) /* paranoia */ - return FAILED; - memcpy(lunaddr, &cmd_to_abort->Header.LUN.LunAddrBytes[0], 8); - rc = sendcmd_withirq(h, CCISS_ABORT_MSG, &cmd_to_abort->Header.Tag, - 0, 0, lunaddr, TYPE_MSG); - if (rc == 0) - return SUCCESS; - return FAILED; - -} - -#else /* no CONFIG_CISS_SCSI_TAPE */ - -/* If no tape support, then these become defined out of existence */ - -#define cciss_scsi_setup(cntl_num) -#define cciss_engage_scsi(h) - -#endif /* CONFIG_CISS_SCSI_TAPE */ diff --git a/drivers/block/cciss_scsi.h b/drivers/block/cciss_scsi.h deleted file mode 100644 index e71d986727ca..000000000000 --- a/drivers/block/cciss_scsi.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Disk Array driver for HP Smart Array controllers, SCSI Tape module. - * (C) Copyright 2001, 2007 Hewlett-Packard Development Company, L.P. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 300, Boston, MA - * 02111-1307, USA. - * - * Questions/Comments/Bugfixes to iss_storagedev@hp.com - * - */ -#ifdef CONFIG_CISS_SCSI_TAPE -#ifndef _CCISS_SCSI_H_ -#define _CCISS_SCSI_H_ - -#include <scsi/scsicam.h> /* possibly irrelevant, since we don't show disks */ - - /* the scsi id of the adapter... */ -#define SELF_SCSI_ID 15 - /* 15 is somewhat arbitrary, since the scsi-2 bus - that's presented by the driver to the OS is - fabricated. The "real" scsi-3 bus the - hardware presents is fabricated too. - The actual, honest-to-goodness physical - bus that the devices are attached to is not - addressible natively, and may in fact turn - out to be not scsi at all. */ - - -/* - -If the upper scsi layer tries to track how many commands we have -outstanding, it will be operating under the misapprehension that it is -the only one sending us requests. We also have the block interface, -which is where most requests must surely come from, so the upper layer's -notion of how many requests we have outstanding will be wrong most or -all of the time. - -Note, the normal SCSI mid-layer error handling doesn't work well -for this driver because 1) it takes the io_request_lock before -calling error handlers and uses a local variable to store flags, -so the io_request_lock cannot be released and interrupts enabled -inside the error handlers, and, the error handlers cannot poll -for command completion because they might get commands from the -block half of the driver completing, and not know what to do -with them. That's what we get for making a hybrid scsi/block -driver, I suppose. - -*/ - -struct cciss_scsi_dev_t { - int devtype; - int bus, target, lun; /* as presented to the OS */ - unsigned char scsi3addr[8]; /* as presented to the HW */ - unsigned char device_id[16]; /* from inquiry pg. 0x83 */ - unsigned char vendor[8]; /* bytes 8-15 of inquiry data */ - unsigned char model[16]; /* bytes 16-31 of inquiry data */ - unsigned char revision[4]; /* bytes 32-35 of inquiry data */ -}; - -struct cciss_scsi_hba_t { - char *name; - int ndevices; -#define CCISS_MAX_SCSI_DEVS_PER_HBA 16 - struct cciss_scsi_dev_t dev[CCISS_MAX_SCSI_DEVS_PER_HBA]; -}; - -#endif /* _CCISS_SCSI_H_ */ -#endif /* CONFIG_CISS_SCSI_TAPE */ diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 62cff5afc6bd..84eab28665f3 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -2079,7 +2079,7 @@ void mpt_detach(struct pci_dev *pdev) { MPT_ADAPTER *ioc = pci_get_drvdata(pdev); - char pname[32]; + char pname[64]; u8 cb_idx; unsigned long flags; struct workqueue_struct *wq; @@ -2100,11 +2100,11 @@ mpt_detach(struct pci_dev *pdev) spin_unlock_irqrestore(&ioc->fw_event_lock, flags); destroy_workqueue(wq); - sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name); + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name); remove_proc_entry(pname, NULL); - sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name); + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name); remove_proc_entry(pname, NULL); - sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name); + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name); remove_proc_entry(pname, NULL); /* call per device driver remove entry point */ diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index d065062240bc..6d461ca97150 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -104,7 +104,6 @@ static void mptfc_remove(struct pci_dev *pdev); static int mptfc_abort(struct scsi_cmnd *SCpnt); static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); -static int mptfc_host_reset(struct scsi_cmnd *SCpnt); static struct scsi_host_template mptfc_driver_template = { .module = THIS_MODULE, @@ -123,7 +122,7 @@ static struct scsi_host_template mptfc_driver_template = { .eh_abort_handler = mptfc_abort, .eh_device_reset_handler = mptfc_dev_reset, .eh_bus_reset_handler = mptfc_bus_reset, - .eh_host_reset_handler = mptfc_host_reset, + .eh_host_reset_handler = mptscsih_host_reset, .bios_param = mptscsih_bios_param, .can_queue = MPT_FC_CAN_QUEUE, .this_id = -1, @@ -254,13 +253,6 @@ mptfc_bus_reset(struct scsi_cmnd *SCpnt) mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__); } -static int -mptfc_host_reset(struct scsi_cmnd *SCpnt) -{ - return - mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__); -} - static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) { diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index f6308ad35b19..345f6035599e 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -2210,33 +2210,26 @@ mptsas_get_bay_identifier(struct sas_rphy *rphy) return rc; } -static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, - struct request *req) +static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, + struct sas_rphy *rphy) { MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc; MPT_FRAME_HDR *mf; SmpPassthroughRequest_t *smpreq; - struct request *rsp = req->next_rq; - int ret; int flagsLength; unsigned long timeleft; char *psge; - dma_addr_t dma_addr_in = 0; - dma_addr_t dma_addr_out = 0; u64 sas_address = 0; - - if (!rsp) { - printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n", - ioc->name, __func__); - return -EINVAL; - } + unsigned int reslen = 0; + int ret = -EINVAL; /* do we need to support multiple segments? */ - if (bio_multiple_segments(req->bio) || - bio_multiple_segments(rsp->bio)) { + if (job->request_payload.sg_cnt > 1 || + job->reply_payload.sg_cnt > 1) { printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n", - ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp)); - return -EINVAL; + ioc->name, __func__, job->request_payload.payload_len, + job->reply_payload.payload_len); + goto out; } ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex); @@ -2252,7 +2245,8 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, smpreq = (SmpPassthroughRequest_t *)mf; memset(smpreq, 0, sizeof(*smpreq)); - smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); + smpreq->RequestDataLength = + cpu_to_le16(job->request_payload.payload_len - 4); smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH; if (rphy) @@ -2278,13 +2272,14 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, MPI_SGE_FLAGS_END_OF_BUFFER | MPI_SGE_FLAGS_DIRECTION) << MPI_SGE_FLAGS_SHIFT; - flagsLength |= (blk_rq_bytes(req) - 4); - dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio), - blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(ioc->pcidev, dma_addr_out)) + if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list, + 1, PCI_DMA_BIDIRECTIONAL)) goto put_mf; - ioc->add_sge(psge, flagsLength, dma_addr_out); + + flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4); + ioc->add_sge(psge, flagsLength, + sg_dma_address(job->request_payload.sg_list)); psge += ioc->SGE_size; /* response */ @@ -2294,12 +2289,13 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, MPI_SGE_FLAGS_END_OF_BUFFER; flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; - flagsLength |= blk_rq_bytes(rsp) + 4; - dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio), - blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(ioc->pcidev, dma_addr_in)) - goto unmap; - ioc->add_sge(psge, flagsLength, dma_addr_in); + + if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, + 1, PCI_DMA_BIDIRECTIONAL)) + goto unmap_out; + flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4; + ioc->add_sge(psge, flagsLength, + sg_dma_address(job->reply_payload.sg_list)); INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); @@ -2310,10 +2306,10 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, mpt_free_msg_frame(ioc, mf); mf = NULL; if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) - goto unmap; + goto unmap_in; if (!timeleft) mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); - goto unmap; + goto unmap_in; } mf = NULL; @@ -2321,23 +2317,22 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, SmpPassthroughReply_t *smprep; smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; - memcpy(scsi_req(req)->sense, smprep, sizeof(*smprep)); - scsi_req(req)->sense_len = sizeof(*smprep); - scsi_req(req)->resid_len = 0; - scsi_req(rsp)->resid_len -= smprep->ResponseDataLength; + memcpy(job->reply, smprep, sizeof(*smprep)); + job->reply_len = sizeof(*smprep); + reslen = smprep->ResponseDataLength; } else { printk(MYIOC_s_ERR_FMT "%s: smp passthru reply failed to be returned\n", ioc->name, __func__); ret = -ENXIO; } -unmap: - if (dma_addr_out) - pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req), - PCI_DMA_BIDIRECTIONAL); - if (dma_addr_in) - pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp), - PCI_DMA_BIDIRECTIONAL); + +unmap_in: + dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1, + PCI_DMA_BIDIRECTIONAL); +unmap_out: + dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1, + PCI_DMA_BIDIRECTIONAL); put_mf: if (mf) mpt_free_msg_frame(ioc, mf); @@ -2345,7 +2340,7 @@ out_unlock: CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) mutex_unlock(&ioc->sas_mgmt.mutex); out: - return ret; + bsg_job_done(job, ret, reslen); } static struct sas_function_template mptsas_transport_functions = { @@ -4352,11 +4347,10 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, return; phy_info = mptsas_refreshing_device_handles(ioc, &sas_device); - /* Only For SATA Device ADD */ - if (!phy_info && (sas_device.device_info & - MPI_SAS_DEVICE_INFO_SATA_DEVICE)) { + /* Device hot plug */ + if (!phy_info) { devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT - "%s %d SATA HOT PLUG: " + "%s %d HOT PLUG: " "parent handle of device %x\n", ioc->name, __func__, __LINE__, sas_device.handle_parent)); port_info = mptsas_find_portinfo_by_handle(ioc, diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index bcc8f3dfd4c4..82ac331d9125 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -29,7 +29,6 @@ #define KMSG_COMPONENT "zfcp" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt -#include <linux/miscdevice.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/module.h> diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index d5bf36ec8a75..8227076c9cbb 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -3,7 +3,7 @@ * * Debug traces for zfcp. * - * Copyright IBM Corp. 2002, 2016 + * Copyright IBM Corp. 2002, 2017 */ #define KMSG_COMPONENT "zfcp" @@ -113,8 +113,12 @@ void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req) struct zfcp_dbf *dbf = req->adapter->dbf; struct fsf_status_read_buffer *srb = req->data; struct zfcp_dbf_hba *rec = &dbf->hba_buf; + static int const level = 2; unsigned long flags; + if (unlikely(!debug_level_enabled(dbf->hba, level))) + return; + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); @@ -142,7 +146,7 @@ void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req) zfcp_dbf_pl_write(dbf, srb->payload.data, rec->pl_len, "fsf_uss", req->req_id); log: - debug_event(dbf->hba, 2, rec, sizeof(*rec)); + debug_event(dbf->hba, level, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->hba_lock, flags); } @@ -156,8 +160,12 @@ void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req) struct zfcp_dbf *dbf = req->adapter->dbf; struct zfcp_dbf_hba *rec = &dbf->hba_buf; struct fsf_status_read_buffer *sr_buf = req->data; + static int const level = 1; unsigned long flags; + if (unlikely(!debug_level_enabled(dbf->hba, level))) + return; + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); @@ -169,7 +177,7 @@ void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req) memcpy(&rec->u.be, &sr_buf->payload.bit_error, sizeof(struct fsf_bit_error_payload)); - debug_event(dbf->hba, 1, rec, sizeof(*rec)); + debug_event(dbf->hba, level, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->hba_lock, flags); } @@ -186,8 +194,12 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, struct zfcp_dbf *dbf = adapter->dbf; struct zfcp_dbf_pay *payload = &dbf->pay_buf; unsigned long flags; + static int const level = 1; u16 length; + if (unlikely(!debug_level_enabled(dbf->pay, level))) + return; + if (!pl) return; @@ -202,7 +214,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, while (payload->counter < scount && (char *)pl[payload->counter]) { memcpy(payload->data, (char *)pl[payload->counter], length); - debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length)); + debug_event(dbf->pay, level, payload, zfcp_dbf_plen(length)); payload->counter++; } @@ -217,15 +229,19 @@ void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter) { struct zfcp_dbf *dbf = adapter->dbf; struct zfcp_dbf_hba *rec = &dbf->hba_buf; + static int const level = 1; unsigned long flags; + if (unlikely(!debug_level_enabled(dbf->hba, level))) + return; + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); rec->id = ZFCP_DBF_HBA_BASIC; - debug_event(dbf->hba, 1, rec, sizeof(*rec)); + debug_event(dbf->hba, level, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->hba_lock, flags); } @@ -264,9 +280,13 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter, { struct zfcp_dbf *dbf = adapter->dbf; struct zfcp_dbf_rec *rec = &dbf->rec_buf; + static int const level = 1; struct list_head *entry; unsigned long flags; + if (unlikely(!debug_level_enabled(dbf->rec, level))) + return; + spin_lock_irqsave(&dbf->rec_lock, flags); memset(rec, 0, sizeof(*rec)); @@ -283,7 +303,7 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter, rec->u.trig.want = want; rec->u.trig.need = need; - debug_event(dbf->rec, 1, rec, sizeof(*rec)); + debug_event(dbf->rec, level, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->rec_lock, flags); } @@ -300,6 +320,9 @@ void zfcp_dbf_rec_run_lvl(int level, char *tag, struct zfcp_erp_action *erp) struct zfcp_dbf_rec *rec = &dbf->rec_buf; unsigned long flags; + if (!debug_level_enabled(dbf->rec, level)) + return; + spin_lock_irqsave(&dbf->rec_lock, flags); memset(rec, 0, sizeof(*rec)); @@ -345,8 +368,12 @@ void zfcp_dbf_rec_run_wka(char *tag, struct zfcp_fc_wka_port *wka_port, { struct zfcp_dbf *dbf = wka_port->adapter->dbf; struct zfcp_dbf_rec *rec = &dbf->rec_buf; + static int const level = 1; unsigned long flags; + if (unlikely(!debug_level_enabled(dbf->rec, level))) + return; + spin_lock_irqsave(&dbf->rec_lock, flags); memset(rec, 0, sizeof(*rec)); @@ -362,10 +389,12 @@ void zfcp_dbf_rec_run_wka(char *tag, struct zfcp_fc_wka_port *wka_port, rec->u.run.rec_action = ~0; rec->u.run.rec_count = ~0; - debug_event(dbf->rec, 1, rec, sizeof(*rec)); + debug_event(dbf->rec, level, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->rec_lock, flags); } +#define ZFCP_DBF_SAN_LEVEL 1 + static inline void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf, char *paytag, struct scatterlist *sg, u8 id, u16 len, @@ -408,7 +437,7 @@ void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf, (u16)(sg->length - offset)); /* cap_len <= pay_sum < cap_len+ZFCP_DBF_PAY_MAX_REC */ memcpy(payload->data, sg_virt(sg) + offset, pay_len); - debug_event(dbf->pay, 1, payload, + debug_event(dbf->pay, ZFCP_DBF_SAN_LEVEL, payload, zfcp_dbf_plen(pay_len)); payload->counter++; offset += pay_len; @@ -418,7 +447,7 @@ void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf, spin_unlock(&dbf->pay_lock); out: - debug_event(dbf->san, 1, rec, sizeof(*rec)); + debug_event(dbf->san, ZFCP_DBF_SAN_LEVEL, rec, sizeof(*rec)); spin_unlock_irqrestore(&dbf->san_lock, flags); } @@ -434,6 +463,9 @@ void zfcp_dbf_san_req(char *tag, struct zfcp_fsf_req *fsf, u32 d_id) struct zfcp_fsf_ct_els *ct_els = fsf->data; u16 length; + if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL))) + return; + length = (u16)zfcp_qdio_real_bytes(ct_els->req); zfcp_dbf_san(tag, dbf, "san_req", ct_els->req, ZFCP_DBF_SAN_REQ, length, fsf->req_id, d_id, length); @@ -447,6 +479,7 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag, struct fc_ct_hdr *reqh = sg_virt(ct_els->req); struct fc_ns_gid_ft *reqn = (struct fc_ns_gid_ft *)(reqh + 1); struct scatterlist *resp_entry = ct_els->resp; + struct fc_ct_hdr *resph; struct fc_gpn_ft_resp *acc; int max_entries, x, last = 0; @@ -460,7 +493,7 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag, && reqh->ct_fs_subtype == FC_NS_SUBTYPE && reqh->ct_options == 0 && reqh->_ct_resvd1 == 0 - && reqh->ct_cmd == FC_NS_GPN_FT + && reqh->ct_cmd == cpu_to_be16(FC_NS_GPN_FT) /* reqh->ct_mr_size can vary so do not match but read below */ && reqh->_ct_resvd2 == 0 && reqh->ct_reason == 0 @@ -473,7 +506,15 @@ static u16 zfcp_dbf_san_res_cap_len_if_gpn_ft(char *tag, return len; /* not GPN_FT response so do not cap */ acc = sg_virt(resp_entry); - max_entries = (reqh->ct_mr_size * 4 / sizeof(struct fc_gpn_ft_resp)) + + /* cap all but accept CT responses to at least the CT header */ + resph = (struct fc_ct_hdr *)acc; + if ((ct_els->status) || + (resph->ct_cmd != cpu_to_be16(FC_FS_ACC))) + return max(FC_CT_HDR_LEN, ZFCP_DBF_SAN_MAX_PAYLOAD); + + max_entries = (be16_to_cpu(reqh->ct_mr_size) * 4 / + sizeof(struct fc_gpn_ft_resp)) + 1 /* zfcp_fc_scan_ports: bytes correct, entries off-by-one * to account for header as 1st pseudo "entry" */; @@ -503,6 +544,9 @@ void zfcp_dbf_san_res(char *tag, struct zfcp_fsf_req *fsf) struct zfcp_fsf_ct_els *ct_els = fsf->data; u16 length; + if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL))) + return; + length = (u16)zfcp_qdio_real_bytes(ct_els->resp); zfcp_dbf_san(tag, dbf, "san_res", ct_els->resp, ZFCP_DBF_SAN_RES, length, fsf->req_id, ct_els->d_id, @@ -522,6 +566,9 @@ void zfcp_dbf_san_in_els(char *tag, struct zfcp_fsf_req *fsf) u16 length; struct scatterlist sg; + if (unlikely(!debug_level_enabled(dbf->san, ZFCP_DBF_SAN_LEVEL))) + return; + length = (u16)(srb->length - offsetof(struct fsf_status_read_buffer, payload)); sg_init_one(&sg, srb->payload.data, length); @@ -555,8 +602,8 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc, rec->scsi_retries = sc->retries; rec->scsi_allowed = sc->allowed; rec->scsi_id = sc->device->id; - /* struct zfcp_dbf_scsi needs to be updated to handle 64bit LUNs */ rec->scsi_lun = (u32)sc->device->lun; + rec->scsi_lun_64_hi = (u32)(sc->device->lun >> 32); rec->host_scribble = (unsigned long)sc->host_scribble; memcpy(rec->scsi_opcode, sc->cmnd, @@ -564,19 +611,31 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc, if (fsf) { rec->fsf_req_id = fsf->req_id; - fcp_rsp = (struct fcp_resp_with_ext *) - &(fsf->qtcb->bottom.io.fcp_rsp); + rec->pl_len = FCP_RESP_WITH_EXT; + fcp_rsp = &(fsf->qtcb->bottom.io.fcp_rsp.iu); + /* mandatory parts of FCP_RSP IU in this SCSI record */ memcpy(&rec->fcp_rsp, fcp_rsp, FCP_RESP_WITH_EXT); if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) { fcp_rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; rec->fcp_rsp_info = fcp_rsp_info->rsp_code; + rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_rsp_len); } if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) { - rec->pl_len = min((u16)SCSI_SENSE_BUFFERSIZE, - (u16)ZFCP_DBF_PAY_MAX_REC); - zfcp_dbf_pl_write(dbf, sc->sense_buffer, rec->pl_len, - "fcp_sns", fsf->req_id); + rec->pl_len += be32_to_cpu(fcp_rsp->ext.fr_sns_len); } + /* complete FCP_RSP IU in associated PAYload record + * but only if there are optional parts + */ + if (fcp_rsp->resp.fr_flags != 0) + zfcp_dbf_pl_write( + dbf, fcp_rsp, + /* at least one full PAY record + * but not beyond hardware response field + */ + min_t(u16, max_t(u16, rec->pl_len, + ZFCP_DBF_PAY_MAX_REC), + FSF_FCP_RSP_SIZE), + "fcp_riu", fsf->req_id); } debug_event(dbf->scsi, level, rec, sizeof(*rec)); diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index db186d44cfaf..3508c00458f4 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -2,7 +2,7 @@ * zfcp device driver * debug feature declarations * - * Copyright IBM Corp. 2008, 2016 + * Copyright IBM Corp. 2008, 2017 */ #ifndef ZFCP_DBF_H @@ -204,16 +204,17 @@ enum zfcp_dbf_scsi_id { * @id: unique number of recovery record type * @tag: identifier string specifying the location of initiation * @scsi_id: scsi device id - * @scsi_lun: scsi device logical unit number + * @scsi_lun: scsi device logical unit number, low part of 64 bit, old 32 bit * @scsi_result: scsi result * @scsi_retries: current retry number of scsi request * @scsi_allowed: allowed retries - * @fcp_rsp_info: FCP response info + * @fcp_rsp_info: FCP response info code * @scsi_opcode: scsi opcode * @fsf_req_id: request id of fsf request * @host_scribble: LLD specific data attached to SCSI request - * @pl_len: length of paload stored as zfcp_dbf_pay - * @fsf_rsp: response for fsf request + * @pl_len: length of payload stored as zfcp_dbf_pay + * @fcp_rsp: response for FCP request + * @scsi_lun_64_hi: scsi device logical unit number, high part of 64 bit */ struct zfcp_dbf_scsi { u8 id; @@ -230,6 +231,7 @@ struct zfcp_dbf_scsi { u64 host_scribble; u16 pl_len; struct fcp_resp_with_ext fcp_rsp; + u32 scsi_lun_64_hi; } __packed; /** @@ -299,7 +301,7 @@ bool zfcp_dbf_hba_fsf_resp_suppress(struct zfcp_fsf_req *req) if (qtcb->prefix.qtcb_type != FSF_IO_COMMAND) return false; /* not an FCP response */ - fcp_rsp = (struct fcp_resp *)&qtcb->bottom.io.fcp_rsp; + fcp_rsp = &qtcb->bottom.io.fcp_rsp.iu.resp; rsp_flags = fcp_rsp->fr_flags; fr_status = fcp_rsp->fr_status; return (fsf_stat == FSF_FCP_RSP_AVAILABLE) && @@ -323,7 +325,11 @@ void zfcp_dbf_hba_fsf_response(struct zfcp_fsf_req *req) { struct fsf_qtcb *qtcb = req->qtcb; - if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) && + if (unlikely(req->status & (ZFCP_STATUS_FSFREQ_DISMISSED | + ZFCP_STATUS_FSFREQ_ERROR))) { + zfcp_dbf_hba_fsf_resp("fs_rerr", 3, req); + + } else if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) && (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) { zfcp_dbf_hba_fsf_resp("fs_perr", 1, req); @@ -401,7 +407,8 @@ void zfcp_dbf_scsi_abort(char *tag, struct scsi_cmnd *scmd, * @flag: indicates type of reset (Target Reset, Logical Unit Reset) */ static inline -void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag) +void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag, + struct zfcp_fsf_req *fsf_req) { char tmp_tag[ZFCP_DBF_TAG_LEN]; @@ -411,7 +418,7 @@ void zfcp_dbf_scsi_devreset(char *tag, struct scsi_cmnd *scmnd, u8 flag) memcpy(tmp_tag, "lr_", 3); memcpy(&tmp_tag[3], tag, 4); - _zfcp_dbf_scsi(tmp_tag, 1, scmnd, NULL); + _zfcp_dbf_scsi(tmp_tag, 1, scmnd, fsf_req); } /** diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 7ccfce559034..37408f5f81ce 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -572,9 +572,8 @@ static void zfcp_erp_memwait_handler(unsigned long data) static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action) { - init_timer(&erp_action->timer); - erp_action->timer.function = zfcp_erp_memwait_handler; - erp_action->timer.data = (unsigned long) erp_action; + setup_timer(&erp_action->timer, zfcp_erp_memwait_handler, + (unsigned long) erp_action); erp_action->timer.expires = jiffies + HZ; add_timer(&erp_action->timer); } diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 9afdbc32b23f..a9e968717dd9 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -41,7 +41,6 @@ extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64); extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); -extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 7331eea67435..8210645c2111 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -3,7 +3,7 @@ * * Fibre Channel related functions for the zfcp device driver. * - * Copyright IBM Corp. 2008, 2010 + * Copyright IBM Corp. 2008, 2017 */ #define KMSG_COMPONENT "zfcp" @@ -29,7 +29,7 @@ static u32 zfcp_fc_rscn_range_mask[] = { }; static bool no_auto_port_rescan; -module_param_named(no_auto_port_rescan, no_auto_port_rescan, bool, 0600); +module_param(no_auto_port_rescan, bool, 0600); MODULE_PARM_DESC(no_auto_port_rescan, "no automatic port_rescan (default off)"); @@ -260,7 +260,8 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) page = (struct fc_els_rscn_page *) head; /* see FC-FS */ - no_entries = head->rscn_plen / sizeof(struct fc_els_rscn_page); + no_entries = be16_to_cpu(head->rscn_plen) / + sizeof(struct fc_els_rscn_page); for (i = 1; i < no_entries; i++) { /* skip head and start with 1st element */ @@ -296,7 +297,7 @@ static void zfcp_fc_incoming_plogi(struct zfcp_fsf_req *req) status_buffer = (struct fsf_status_read_buffer *) req->data; plogi = (struct fc_els_flogi *) status_buffer->payload.data; - zfcp_fc_incoming_wwpn(req, plogi->fl_wwpn); + zfcp_fc_incoming_wwpn(req, be64_to_cpu(plogi->fl_wwpn)); } static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req) @@ -306,7 +307,7 @@ static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req) struct fc_els_logo *logo = (struct fc_els_logo *) status_buffer->payload.data; - zfcp_fc_incoming_wwpn(req, logo->fl_n_port_wwn); + zfcp_fc_incoming_wwpn(req, be64_to_cpu(logo->fl_n_port_wwn)); } /** @@ -335,7 +336,7 @@ static void zfcp_fc_ns_gid_pn_eval(struct zfcp_fc_req *fc_req) if (ct_els->status) return; - if (gid_pn_rsp->ct_hdr.ct_cmd != FC_FS_ACC) + if (gid_pn_rsp->ct_hdr.ct_cmd != cpu_to_be16(FC_FS_ACC)) return; /* looks like a valid d_id */ @@ -352,8 +353,8 @@ static void zfcp_fc_ct_ns_init(struct fc_ct_hdr *ct_hdr, u16 cmd, u16 mr_size) ct_hdr->ct_rev = FC_CT_REV; ct_hdr->ct_fs_type = FC_FST_DIR; ct_hdr->ct_fs_subtype = FC_NS_SUBTYPE; - ct_hdr->ct_cmd = cmd; - ct_hdr->ct_mr_size = mr_size / 4; + ct_hdr->ct_cmd = cpu_to_be16(cmd); + ct_hdr->ct_mr_size = cpu_to_be16(mr_size / 4); } static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port, @@ -376,7 +377,7 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port, zfcp_fc_ct_ns_init(&gid_pn_req->ct_hdr, FC_NS_GID_PN, ZFCP_FC_CT_SIZE_PAGE); - gid_pn_req->gid_pn.fn_wwpn = port->wwpn; + gid_pn_req->gid_pn.fn_wwpn = cpu_to_be64(port->wwpn); ret = zfcp_fsf_send_ct(&adapter->gs->ds, &fc_req->ct_els, adapter->pool.gid_pn_req, @@ -460,26 +461,26 @@ void zfcp_fc_trigger_did_lookup(struct zfcp_port *port) */ void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi) { - if (plogi->fl_wwpn != port->wwpn) { + if (be64_to_cpu(plogi->fl_wwpn) != port->wwpn) { port->d_id = 0; dev_warn(&port->adapter->ccw_device->dev, "A port opened with WWPN 0x%016Lx returned data that " "identifies it as WWPN 0x%016Lx\n", (unsigned long long) port->wwpn, - (unsigned long long) plogi->fl_wwpn); + (unsigned long long) be64_to_cpu(plogi->fl_wwpn)); return; } - port->wwnn = plogi->fl_wwnn; - port->maxframe_size = plogi->fl_csp.sp_bb_data; + port->wwnn = be64_to_cpu(plogi->fl_wwnn); + port->maxframe_size = be16_to_cpu(plogi->fl_csp.sp_bb_data); - if (plogi->fl_cssp[0].cp_class & FC_CPC_VALID) + if (plogi->fl_cssp[0].cp_class & cpu_to_be16(FC_CPC_VALID)) port->supported_classes |= FC_COS_CLASS1; - if (plogi->fl_cssp[1].cp_class & FC_CPC_VALID) + if (plogi->fl_cssp[1].cp_class & cpu_to_be16(FC_CPC_VALID)) port->supported_classes |= FC_COS_CLASS2; - if (plogi->fl_cssp[2].cp_class & FC_CPC_VALID) + if (plogi->fl_cssp[2].cp_class & cpu_to_be16(FC_CPC_VALID)) port->supported_classes |= FC_COS_CLASS3; - if (plogi->fl_cssp[3].cp_class & FC_CPC_VALID) + if (plogi->fl_cssp[3].cp_class & cpu_to_be16(FC_CPC_VALID)) port->supported_classes |= FC_COS_CLASS4; } @@ -497,9 +498,9 @@ static void zfcp_fc_adisc_handler(void *data) } if (!port->wwnn) - port->wwnn = adisc_resp->adisc_wwnn; + port->wwnn = be64_to_cpu(adisc_resp->adisc_wwnn); - if ((port->wwpn != adisc_resp->adisc_wwpn) || + if ((port->wwpn != be64_to_cpu(adisc_resp->adisc_wwpn)) || !(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) { zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "fcadh_2"); @@ -538,8 +539,8 @@ static int zfcp_fc_adisc(struct zfcp_port *port) /* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports without FC-AL-2 capability, so we don't set it */ - fc_req->u.adisc.req.adisc_wwpn = fc_host_port_name(shost); - fc_req->u.adisc.req.adisc_wwnn = fc_host_node_name(shost); + fc_req->u.adisc.req.adisc_wwpn = cpu_to_be64(fc_host_port_name(shost)); + fc_req->u.adisc.req.adisc_wwnn = cpu_to_be64(fc_host_node_name(shost)); fc_req->u.adisc.req.adisc_cmd = ELS_ADISC; hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost)); @@ -666,8 +667,8 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req, if (ct_els->status) return -EIO; - if (hdr->ct_cmd != FC_FS_ACC) { - if (hdr->ct_reason == FC_BA_RJT_UNABLE) + if (hdr->ct_cmd != cpu_to_be16(FC_FS_ACC)) { + if (hdr->ct_reason == FC_FS_RJT_UNABL) return -EAGAIN; /* might be a temporary condition */ return -EIO; } @@ -693,10 +694,11 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req, if (d_id >= FC_FID_WELL_KNOWN_BASE) continue; /* skip the adapter's port and known remote ports */ - if (acc->fp_wwpn == fc_host_port_name(adapter->scsi_host)) + if (be64_to_cpu(acc->fp_wwpn) == + fc_host_port_name(adapter->scsi_host)) continue; - port = zfcp_port_enqueue(adapter, acc->fp_wwpn, + port = zfcp_port_enqueue(adapter, be64_to_cpu(acc->fp_wwpn), ZFCP_STATUS_COMMON_NOESC, d_id); if (!IS_ERR(port)) zfcp_erp_port_reopen(port, 0, "fcegpf1"); diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h index df2b541c8287..41f22d3dc6d1 100644 --- a/drivers/s390/scsi/zfcp_fc.h +++ b/drivers/s390/scsi/zfcp_fc.h @@ -4,7 +4,7 @@ * Fibre Channel related definitions and inline functions for the zfcp * device driver * - * Copyright IBM Corp. 2009 + * Copyright IBM Corp. 2009, 2017 */ #ifndef ZFCP_FC_H @@ -212,6 +212,8 @@ static inline void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi, u8 tm_flags) { + u32 datalen; + int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun); if (unlikely(tm_flags)) { @@ -228,10 +230,13 @@ void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi, memcpy(fcp->fc_cdb, scsi->cmnd, scsi->cmd_len); - fcp->fc_dl = scsi_bufflen(scsi); + datalen = scsi_bufflen(scsi); + fcp->fc_dl = cpu_to_be32(datalen); - if (scsi_get_prot_type(scsi) == SCSI_PROT_DIF_TYPE1) - fcp->fc_dl += fcp->fc_dl / scsi->device->sector_size * 8; + if (scsi_get_prot_type(scsi) == SCSI_PROT_DIF_TYPE1) { + datalen += datalen / scsi->device->sector_size * 8; + fcp->fc_dl = cpu_to_be32(datalen); + } } /** @@ -266,19 +271,23 @@ void zfcp_fc_eval_fcp_rsp(struct fcp_resp_with_ext *fcp_rsp, if (unlikely(rsp_flags & FCP_SNS_LEN_VAL)) { sense = (char *) &fcp_rsp[1]; if (rsp_flags & FCP_RSP_LEN_VAL) - sense += fcp_rsp->ext.fr_rsp_len; - sense_len = min(fcp_rsp->ext.fr_sns_len, - (u32) SCSI_SENSE_BUFFERSIZE); + sense += be32_to_cpu(fcp_rsp->ext.fr_rsp_len); + sense_len = min_t(u32, be32_to_cpu(fcp_rsp->ext.fr_sns_len), + SCSI_SENSE_BUFFERSIZE); memcpy(scsi->sense_buffer, sense, sense_len); } if (unlikely(rsp_flags & FCP_RESID_UNDER)) { - resid = fcp_rsp->ext.fr_resid; + resid = be32_to_cpu(fcp_rsp->ext.fr_resid); scsi_set_resid(scsi, resid); if (scsi_bufflen(scsi) - resid < scsi->underflow && !(rsp_flags & FCP_SNS_LEN_VAL) && fcp_rsp->resp.fr_status == SAM_STAT_GOOD) set_host_byte(scsi, DID_ERROR); + } else if (unlikely(rsp_flags & FCP_RESID_OVER)) { + /* FCP_DL was not sufficient for SCSI data length */ + if (fcp_rsp->resp.fr_status == SAM_STAT_GOOD) + set_host_byte(scsi, DID_ERROR); } } diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 27ff38f839fc..69d1dc3ec79d 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -3,7 +3,7 @@ * * Implementation of FSF commands. * - * Copyright IBM Corp. 2002, 2015 + * Copyright IBM Corp. 2002, 2017 */ #define KMSG_COMPONENT "zfcp" @@ -197,8 +197,6 @@ static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req) switch (sr_buf->status_subtype) { case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK: - zfcp_fsf_link_down_info_eval(req, ldi); - break; case FSF_STATUS_READ_SUB_FDISC_FAILED: zfcp_fsf_link_down_info_eval(req, ldi); break; @@ -476,8 +474,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req) if (req->data) memcpy(req->data, bottom, sizeof(*bottom)); - fc_host_port_name(shost) = nsp->fl_wwpn; - fc_host_node_name(shost) = nsp->fl_wwnn; + fc_host_port_name(shost) = be64_to_cpu(nsp->fl_wwpn); + fc_host_node_name(shost) = be64_to_cpu(nsp->fl_wwnn); fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3; adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK; @@ -503,8 +501,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req) switch (bottom->fc_topology) { case FSF_TOPO_P2P: adapter->peer_d_id = ntoh24(bottom->peer_d_id); - adapter->peer_wwpn = plogi->fl_wwpn; - adapter->peer_wwnn = plogi->fl_wwnn; + adapter->peer_wwpn = be64_to_cpu(plogi->fl_wwpn); + adapter->peer_wwnn = be64_to_cpu(plogi->fl_wwnn); fc_host_port_type(shost) = FC_PORTTYPE_PTP; break; case FSF_TOPO_FABRIC: @@ -928,8 +926,8 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) switch (header->fsf_status) { case FSF_GOOD: - zfcp_dbf_san_res("fsscth2", req); ct->status = 0; + zfcp_dbf_san_res("fsscth2", req); break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: zfcp_fsf_class_not_supp(req); @@ -991,8 +989,7 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req, qtcb->bottom.support.resp_buf_length = zfcp_qdio_real_bytes(sg_resp); - zfcp_qdio_set_data_div(qdio, &req->qdio_req, - zfcp_qdio_sbale_count(sg_req)); + zfcp_qdio_set_data_div(qdio, &req->qdio_req, sg_nents(sg_req)); zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); zfcp_qdio_set_scount(qdio, &req->qdio_req); return 0; @@ -1109,8 +1106,8 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req) switch (header->fsf_status) { case FSF_GOOD: - zfcp_dbf_san_res("fsselh1", req); send_els->status = 0; + zfcp_dbf_san_res("fsselh1", req); break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: zfcp_fsf_class_not_supp(req); @@ -1394,6 +1391,8 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req) case FSF_ADAPTER_STATUS_AVAILABLE: switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: + /* no zfcp_fc_test_link() with failed open port */ + /* fall through */ case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: case FSF_SQ_NO_RETRY_POSSIBLE: req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -2142,7 +2141,8 @@ static void zfcp_fsf_fcp_cmnd_handler(struct zfcp_fsf_req *req) zfcp_scsi_dif_sense_error(scpnt, 0x3); goto skip_fsfstatus; } - fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + BUILD_BUG_ON(sizeof(struct fcp_resp_with_ext) > FSF_FCP_RSP_SIZE); + fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu; zfcp_fc_eval_fcp_rsp(fcp_rsp, scpnt); skip_fsfstatus: @@ -2255,10 +2255,12 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) if (zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction)) goto failed_scsi_cmnd; - fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + BUILD_BUG_ON(sizeof(struct fcp_cmnd) > FSF_FCP_CMND_SIZE); + fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu; zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0); - if (scsi_prot_sg_count(scsi_cmnd)) { + if ((scsi_get_prot_op(scsi_cmnd) != SCSI_PROT_NORMAL) && + scsi_prot_sg_count(scsi_cmnd)) { zfcp_qdio_set_data_div(qdio, &req->qdio_req, scsi_prot_sg_count(scsi_cmnd)); retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, @@ -2299,7 +2301,7 @@ static void zfcp_fsf_fcp_task_mgmt_handler(struct zfcp_fsf_req *req) zfcp_fsf_fcp_handler_common(req); - fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu; rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; if ((rsp_info->rsp_code != FCP_TMF_CMPL) || @@ -2348,7 +2350,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd, zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); - fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu; zfcp_fc_scsi_to_fcp(fcp_cmnd, scmnd, tm_flags); zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT); @@ -2392,7 +2394,6 @@ void zfcp_fsf_reqid_check(struct zfcp_qdio *qdio, int sbal_idx) req_id, dev_name(&adapter->ccw_device->dev)); } - fsf_req->qdio_req.sbal_response = sbal_idx; zfcp_fsf_req_complete(fsf_req); if (likely(sbale->eflags & SBAL_EFLAGS_LAST_ENTRY)) diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index ea3c76ac0de1..88feba5bfda4 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -3,7 +3,7 @@ * * Interface to the FSF support functions. * - * Copyright IBM Corp. 2002, 2016 + * Copyright IBM Corp. 2002, 2017 */ #ifndef FSF_H @@ -312,8 +312,14 @@ struct fsf_qtcb_bottom_io { u32 data_block_length; u32 prot_data_length; u8 res2[4]; - u8 fcp_cmnd[FSF_FCP_CMND_SIZE]; - u8 fcp_rsp[FSF_FCP_RSP_SIZE]; + union { + u8 byte[FSF_FCP_CMND_SIZE]; + struct fcp_cmnd iu; + } fcp_cmnd; + union { + u8 byte[FSF_FCP_RSP_SIZE]; + struct fcp_resp_with_ext iu; + } fcp_rsp; u8 res3[64]; } __attribute__ ((packed)); diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index dbf2b54703f7..9e358fc04b78 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -14,7 +14,7 @@ #include "zfcp_ext.h" #include "zfcp_qdio.h" -static bool enable_multibuffer = 1; +static bool enable_multibuffer = true; module_param_named(datarouter, enable_multibuffer, bool, 0400); MODULE_PARM_DESC(datarouter, "Enable hardware data router support (default on)"); diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h index 497cd379b0d1..7f647a90c750 100644 --- a/drivers/s390/scsi/zfcp_qdio.h +++ b/drivers/s390/scsi/zfcp_qdio.h @@ -54,7 +54,6 @@ struct zfcp_qdio { * @sbal_last: last sbal for this request * @sbal_limit: last possible sbal for this request * @sbale_curr: current sbale at creation of this request - * @sbal_response: sbal used in interrupt * @qdio_outb_usage: usage of outbound queue */ struct zfcp_qdio_req { @@ -64,7 +63,6 @@ struct zfcp_qdio_req { u8 sbal_last; u8 sbal_limit; u8 sbale_curr; - u8 sbal_response; u16 qdio_outb_usage; }; @@ -225,21 +223,6 @@ void zfcp_qdio_set_data_div(struct zfcp_qdio *qdio, } /** - * zfcp_qdio_sbale_count - count sbale used - * @sg: pointer to struct scatterlist - */ -static inline -unsigned int zfcp_qdio_sbale_count(struct scatterlist *sg) -{ - unsigned int count = 0; - - for (; sg; sg = sg_next(sg)) - count++; - - return count; -} - -/** * zfcp_qdio_real_bytes - count bytes used * @sg: pointer to struct scatterlist */ diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 0678cf714c0e..ec3ddd1d31d5 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -3,7 +3,7 @@ * * Interface to Linux SCSI midlayer. * - * Copyright IBM Corp. 2002, 2016 + * Copyright IBM Corp. 2002, 2017 */ #define KMSG_COMPONENT "zfcp" @@ -28,7 +28,7 @@ static bool enable_dif; module_param_named(dif, enable_dif, bool, 0400); MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support"); -static bool allow_lun_scan = 1; +static bool allow_lun_scan = true; module_param(allow_lun_scan, bool, 0600); MODULE_PARM_DESC(allow_lun_scan, "For NPIV, scan and attach all storage LUNs"); @@ -273,25 +273,29 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) zfcp_erp_wait(adapter); ret = fc_block_scsi_eh(scpnt); - if (ret) + if (ret) { + zfcp_dbf_scsi_devreset("fiof", scpnt, tm_flags, NULL); return ret; + } if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { - zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags); + zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags, NULL); return SUCCESS; } } - if (!fsf_req) + if (!fsf_req) { + zfcp_dbf_scsi_devreset("reqf", scpnt, tm_flags, NULL); return FAILED; + } wait_for_completion(&fsf_req->completion); if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) { - zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags); + zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags, fsf_req); retval = FAILED; } else { - zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags); + zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags, fsf_req); zfcp_scsi_forget_cmnds(zfcp_sdev, tm_flags); } diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 4b3b08025ef6..6be77b3aa8a5 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -168,7 +168,6 @@ MODULE_LICENSE("GPL"); STATIC int NCR_700_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *); STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt); -STATIC int NCR_700_bus_reset(struct scsi_cmnd * SCpnt); STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt); STATIC void NCR_700_chip_setup(struct Scsi_Host *host); STATIC void NCR_700_chip_reset(struct Scsi_Host *host); @@ -315,7 +314,6 @@ NCR_700_detect(struct scsi_host_template *tpnt, /* Fill in the missing routines from the host template */ tpnt->queuecommand = NCR_700_queuecommand; tpnt->eh_abort_handler = NCR_700_abort; - tpnt->eh_bus_reset_handler = NCR_700_bus_reset; tpnt->eh_host_reset_handler = NCR_700_host_reset; tpnt->can_queue = NCR_700_COMMAND_SLOTS_PER_HOST; tpnt->sg_tablesize = NCR_700_SG_SEGMENTS; @@ -1938,14 +1936,14 @@ NCR_700_abort(struct scsi_cmnd * SCp) } STATIC int -NCR_700_bus_reset(struct scsi_cmnd * SCp) +NCR_700_host_reset(struct scsi_cmnd * SCp) { DECLARE_COMPLETION_ONSTACK(complete); struct NCR_700_Host_Parameters *hostdata = (struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0]; scmd_printk(KERN_INFO, SCp, - "New error handler wants BUS reset, cmd %p\n\t", SCp); + "New error handler wants HOST reset, cmd %p\n\t", SCp); scsi_print_command(SCp); /* In theory, eh_complete should always be null because the @@ -1960,6 +1958,7 @@ NCR_700_bus_reset(struct scsi_cmnd * SCp) hostdata->eh_complete = &complete; NCR_700_internal_bus_reset(SCp->device->host); + NCR_700_chip_reset(SCp->device->host); spin_unlock_irq(SCp->device->host->host_lock); wait_for_completion(&complete); @@ -1974,22 +1973,6 @@ NCR_700_bus_reset(struct scsi_cmnd * SCp) return SUCCESS; } -STATIC int -NCR_700_host_reset(struct scsi_cmnd * SCp) -{ - scmd_printk(KERN_INFO, SCp, "New error handler wants HOST reset\n\t"); - scsi_print_command(SCp); - - spin_lock_irq(SCp->device->host->host_lock); - - NCR_700_internal_bus_reset(SCp->device->host); - NCR_700_chip_reset(SCp->device->host); - - spin_unlock_irq(SCp->device->host->host_lock); - - return SUCCESS; -} - STATIC void NCR_700_set_period(struct scsi_target *STp, int period) { diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index acc33440bca0..8a0812221d72 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -2296,13 +2296,13 @@ out: /** - * NCR5380_bus_reset - reset the SCSI bus + * NCR5380_host_reset - reset the SCSI host * @cmd: SCSI command undergoing EH * * Returns SUCCESS */ -static int NCR5380_bus_reset(struct scsi_cmnd *cmd) +static int NCR5380_host_reset(struct scsi_cmnd *cmd) { struct Scsi_Host *instance = cmd->device->host; struct NCR5380_hostdata *hostdata = shost_priv(instance); diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index 9176bfbd5745..61aadc7acb49 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -147,22 +147,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, } } -static int a2091_bus_reset(struct scsi_cmnd *cmd) -{ - struct Scsi_Host *instance = cmd->device->host; - - /* FIXME perform bus-specific reset */ - - /* FIXME 2: kill this function, and let midlayer fall back - to the same action, calling wd33c93_host_reset() */ - - spin_lock_irq(instance->host_lock); - wd33c93_host_reset(cmd); - spin_unlock_irq(instance->host_lock); - - return SUCCESS; -} - static struct scsi_host_template a2091_scsi_template = { .module = THIS_MODULE, .name = "Commodore A2091/A590 SCSI", @@ -171,7 +155,6 @@ static struct scsi_host_template a2091_scsi_template = { .proc_name = "A2901", .queuecommand = wd33c93_queuecommand, .eh_abort_handler = wd33c93_abort, - .eh_bus_reset_handler = a2091_bus_reset, .eh_host_reset_handler = wd33c93_host_reset, .can_queue = CAN_QUEUE, .this_id = 7, diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index e6375b4de79e..2427a8541247 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -162,22 +162,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, } } -static int a3000_bus_reset(struct scsi_cmnd *cmd) -{ - struct Scsi_Host *instance = cmd->device->host; - - /* FIXME perform bus-specific reset */ - - /* FIXME 2: kill this entire function, which should - cause mid-layer to call wd33c93_host_reset anyway? */ - - spin_lock_irq(instance->host_lock); - wd33c93_host_reset(cmd); - spin_unlock_irq(instance->host_lock); - - return SUCCESS; -} - static struct scsi_host_template amiga_a3000_scsi_template = { .module = THIS_MODULE, .name = "Amiga 3000 built-in SCSI", @@ -186,7 +170,6 @@ static struct scsi_host_template amiga_a3000_scsi_template = { .proc_name = "A3000", .queuecommand = wd33c93_queuecommand, .eh_abort_handler = wd33c93_abort, - .eh_bus_reset_handler = a3000_bus_reset, .eh_host_reset_handler = wd33c93_host_reset, .can_queue = CAN_QUEUE, .this_id = 7, diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index a1a2c71e1626..a64285ab0728 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -594,6 +594,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) aac_fib_init(cmd_fibcontext); dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_READ_NAME); @@ -611,10 +612,8 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(cmd_fibcontext); @@ -725,6 +724,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) dinfo->count = cpu_to_le32(scmd_id(scsicmd)); dinfo->type = cpu_to_le32(FT_FILESYS); + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, fibptr, @@ -736,9 +736,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; - else if (status < 0) { + if (status < 0 && status != -EINPROGRESS) { /* Inherit results from VM_NameServe, if any */ dresp->status = cpu_to_le32(ST_OK); _aac_probe_container2(context, fibptr); @@ -766,6 +764,7 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru dinfo->count = cpu_to_le32(scmd_id(scsicmd)); dinfo->type = cpu_to_le32(FT_FILESYS); scsicmd->SCp.ptr = (char *)callback; + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, fibptr, @@ -777,10 +776,9 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } + if (status < 0) { scsicmd->SCp.ptr = NULL; aac_fib_complete(fibptr); @@ -1126,6 +1124,7 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd) dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, cmd_fibcontext, @@ -1138,10 +1137,8 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd) /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(cmd_fibcontext); @@ -2335,16 +2332,14 @@ static int aac_read(struct scsi_cmnd * scsicmd) * Alocate and initialize a Fib */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); /* @@ -2429,16 +2424,14 @@ static int aac_write(struct scsi_cmnd * scsicmd) * Allocate and initialize a Fib then setup a BlockWrite command */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status); /* @@ -2588,6 +2581,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd)); synchronizecmd->count = cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; /* * Now send the Fib to the adapter @@ -2603,10 +2597,8 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_synchronize: aac_fib_send failed with status: %d.\n", status); @@ -2666,6 +2658,7 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd) pmcmd->cid = cpu_to_le32(sdev_id(sdev)); pmcmd->parm = (scsicmd->cmnd[1] & 1) ? cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0; + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; /* * Now send the Fib to the adapter @@ -2681,10 +2674,8 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd) /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } aac_fib_complete(cmd_fibcontext); aac_fib_free(cmd_fibcontext); @@ -3692,16 +3683,14 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) * Allocate and initialize a Fib then setup a BlockWrite command */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_scsi(cmd_fibcontext, scsicmd); /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status); aac_fib_complete(cmd_fibcontext); @@ -3739,15 +3728,14 @@ static int aac_send_hba_fib(struct scsi_cmnd *scsicmd) if (!cmd_fibcontext) return -1; + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_hba(cmd_fibcontext, scsicmd); /* * Check that the command queued to the controller */ - if (status == -EINPROGRESS) { - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + if (status == -EINPROGRESS) return 0; - } pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n", status); @@ -3763,6 +3751,8 @@ static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg) struct aac_dev *dev; unsigned long byte_count = 0; int nseg; + struct scatterlist *sg; + int i; dev = (struct aac_dev *)scsicmd->device->host->hostdata; // Get rid of old data @@ -3771,32 +3761,29 @@ static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg) psg->sg[0].count = 0; nseg = scsi_dma_map(scsicmd); - if (nseg < 0) + if (nseg <= 0) return nseg; - if (nseg) { - struct scatterlist *sg; - int i; - psg->count = cpu_to_le32(nseg); + psg->count = cpu_to_le32(nseg); - scsi_for_each_sg(scsicmd, sg, nseg, i) { - psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); - psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); - byte_count += sg_dma_len(sg); - } - /* hba wants the size to be exact */ - if (byte_count > scsi_bufflen(scsicmd)) { - u32 temp = le32_to_cpu(psg->sg[i-1].count) - - (byte_count - scsi_bufflen(scsicmd)); - psg->sg[i-1].count = cpu_to_le32(temp); - byte_count = scsi_bufflen(scsicmd); - } - /* Check for command underflow */ - if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ - printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", - byte_count, scsicmd->underflow); - } + scsi_for_each_sg(scsicmd, sg, nseg, i) { + psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); + psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); + byte_count += sg_dma_len(sg); } + /* hba wants the size to be exact */ + if (byte_count > scsi_bufflen(scsicmd)) { + u32 temp = le32_to_cpu(psg->sg[i-1].count) - + (byte_count - scsi_bufflen(scsicmd)); + psg->sg[i-1].count = cpu_to_le32(temp); + byte_count = scsi_bufflen(scsicmd); + } + /* Check for command underflow */ + if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { + printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", + byte_count, scsicmd->underflow); + } + return byte_count; } @@ -3807,6 +3794,8 @@ static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg) unsigned long byte_count = 0; u64 addr; int nseg; + struct scatterlist *sg; + int i; dev = (struct aac_dev *)scsicmd->device->host->hostdata; // Get rid of old data @@ -3816,34 +3805,31 @@ static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg) psg->sg[0].count = 0; nseg = scsi_dma_map(scsicmd); - if (nseg < 0) + if (nseg <= 0) return nseg; - if (nseg) { - struct scatterlist *sg; - int i; - - scsi_for_each_sg(scsicmd, sg, nseg, i) { - int count = sg_dma_len(sg); - addr = sg_dma_address(sg); - psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); - psg->sg[i].addr[1] = cpu_to_le32(addr>>32); - psg->sg[i].count = cpu_to_le32(count); - byte_count += count; - } - psg->count = cpu_to_le32(nseg); - /* hba wants the size to be exact */ - if (byte_count > scsi_bufflen(scsicmd)) { - u32 temp = le32_to_cpu(psg->sg[i-1].count) - - (byte_count - scsi_bufflen(scsicmd)); - psg->sg[i-1].count = cpu_to_le32(temp); - byte_count = scsi_bufflen(scsicmd); - } - /* Check for command underflow */ - if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ - printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", - byte_count, scsicmd->underflow); - } + + scsi_for_each_sg(scsicmd, sg, nseg, i) { + int count = sg_dma_len(sg); + addr = sg_dma_address(sg); + psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); + psg->sg[i].addr[1] = cpu_to_le32(addr>>32); + psg->sg[i].count = cpu_to_le32(count); + byte_count += count; + } + psg->count = cpu_to_le32(nseg); + /* hba wants the size to be exact */ + if (byte_count > scsi_bufflen(scsicmd)) { + u32 temp = le32_to_cpu(psg->sg[i-1].count) - + (byte_count - scsi_bufflen(scsicmd)); + psg->sg[i-1].count = cpu_to_le32(temp); + byte_count = scsi_bufflen(scsicmd); + } + /* Check for command underflow */ + if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { + printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", + byte_count, scsicmd->underflow); } + return byte_count; } @@ -3851,6 +3837,8 @@ static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg) { unsigned long byte_count = 0; int nseg; + struct scatterlist *sg; + int i; // Get rid of old data psg->count = 0; @@ -3862,37 +3850,34 @@ static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg) psg->sg[0].flags = 0; nseg = scsi_dma_map(scsicmd); - if (nseg < 0) + if (nseg <= 0) return nseg; - if (nseg) { - struct scatterlist *sg; - int i; - - scsi_for_each_sg(scsicmd, sg, nseg, i) { - int count = sg_dma_len(sg); - u64 addr = sg_dma_address(sg); - psg->sg[i].next = 0; - psg->sg[i].prev = 0; - psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); - psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); - psg->sg[i].count = cpu_to_le32(count); - psg->sg[i].flags = 0; - byte_count += count; - } - psg->count = cpu_to_le32(nseg); - /* hba wants the size to be exact */ - if (byte_count > scsi_bufflen(scsicmd)) { - u32 temp = le32_to_cpu(psg->sg[i-1].count) - - (byte_count - scsi_bufflen(scsicmd)); - psg->sg[i-1].count = cpu_to_le32(temp); - byte_count = scsi_bufflen(scsicmd); - } - /* Check for command underflow */ - if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ - printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", - byte_count, scsicmd->underflow); - } + + scsi_for_each_sg(scsicmd, sg, nseg, i) { + int count = sg_dma_len(sg); + u64 addr = sg_dma_address(sg); + psg->sg[i].next = 0; + psg->sg[i].prev = 0; + psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); + psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); + psg->sg[i].count = cpu_to_le32(count); + psg->sg[i].flags = 0; + byte_count += count; } + psg->count = cpu_to_le32(nseg); + /* hba wants the size to be exact */ + if (byte_count > scsi_bufflen(scsicmd)) { + u32 temp = le32_to_cpu(psg->sg[i-1].count) - + (byte_count - scsi_bufflen(scsicmd)); + psg->sg[i-1].count = cpu_to_le32(temp); + byte_count = scsi_bufflen(scsicmd); + } + /* Check for command underflow */ + if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { + printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", + byte_count, scsicmd->underflow); + } + return byte_count; } @@ -3901,75 +3886,77 @@ static long aac_build_sgraw2(struct scsi_cmnd *scsicmd, { unsigned long byte_count = 0; int nseg; + struct scatterlist *sg; + int i, conformable = 0; + u32 min_size = PAGE_SIZE, cur_size; nseg = scsi_dma_map(scsicmd); - if (nseg < 0) + if (nseg <= 0) return nseg; - if (nseg) { - struct scatterlist *sg; - int i, conformable = 0; - u32 min_size = PAGE_SIZE, cur_size; - - scsi_for_each_sg(scsicmd, sg, nseg, i) { - int count = sg_dma_len(sg); - u64 addr = sg_dma_address(sg); - - BUG_ON(i >= sg_max); - rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32)); - rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff)); - cur_size = cpu_to_le32(count); - rio2->sge[i].length = cur_size; - rio2->sge[i].flags = 0; - if (i == 0) { - conformable = 1; - rio2->sgeFirstSize = cur_size; - } else if (i == 1) { - rio2->sgeNominalSize = cur_size; + + scsi_for_each_sg(scsicmd, sg, nseg, i) { + int count = sg_dma_len(sg); + u64 addr = sg_dma_address(sg); + + BUG_ON(i >= sg_max); + rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32)); + rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff)); + cur_size = cpu_to_le32(count); + rio2->sge[i].length = cur_size; + rio2->sge[i].flags = 0; + if (i == 0) { + conformable = 1; + rio2->sgeFirstSize = cur_size; + } else if (i == 1) { + rio2->sgeNominalSize = cur_size; + min_size = cur_size; + } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) { + conformable = 0; + if (cur_size < min_size) min_size = cur_size; - } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) { - conformable = 0; - if (cur_size < min_size) - min_size = cur_size; - } - byte_count += count; } + byte_count += count; + } - /* hba wants the size to be exact */ - if (byte_count > scsi_bufflen(scsicmd)) { - u32 temp = le32_to_cpu(rio2->sge[i-1].length) - - (byte_count - scsi_bufflen(scsicmd)); - rio2->sge[i-1].length = cpu_to_le32(temp); - byte_count = scsi_bufflen(scsicmd); - } + /* hba wants the size to be exact */ + if (byte_count > scsi_bufflen(scsicmd)) { + u32 temp = le32_to_cpu(rio2->sge[i-1].length) - + (byte_count - scsi_bufflen(scsicmd)); + rio2->sge[i-1].length = cpu_to_le32(temp); + byte_count = scsi_bufflen(scsicmd); + } - rio2->sgeCnt = cpu_to_le32(nseg); - rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212); - /* not conformable: evaluate required sg elements */ - if (!conformable) { - int j, nseg_new = nseg, err_found; - for (i = min_size / PAGE_SIZE; i >= 1; --i) { - err_found = 0; - nseg_new = 2; - for (j = 1; j < nseg - 1; ++j) { - if (rio2->sge[j].length % (i*PAGE_SIZE)) { - err_found = 1; - break; - } - nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE)); - } - if (!err_found) + rio2->sgeCnt = cpu_to_le32(nseg); + rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212); + /* not conformable: evaluate required sg elements */ + if (!conformable) { + int j, nseg_new = nseg, err_found; + for (i = min_size / PAGE_SIZE; i >= 1; --i) { + err_found = 0; + nseg_new = 2; + for (j = 1; j < nseg - 1; ++j) { + if (rio2->sge[j].length % (i*PAGE_SIZE)) { + err_found = 1; break; + } + nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE)); } - if (i > 0 && nseg_new <= sg_max) - aac_convert_sgraw2(rio2, i, nseg, nseg_new); - } else - rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT); + if (!err_found) + break; + } + if (i > 0 && nseg_new <= sg_max) { + int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new); - /* Check for command underflow */ - if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { - printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", - byte_count, scsicmd->underflow); + if (ret < 0) + return ret; } + } else + rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT); + + /* Check for command underflow */ + if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { + printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", + byte_count, scsicmd->underflow); } return byte_count; @@ -3986,7 +3973,7 @@ static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC); if (sge == NULL) - return -1; + return -ENOMEM; for (i = 1, pos = 1; i < nseg-1; ++i) { for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) { diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index ee2667e20e42..92fabf2b0c24 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -1723,6 +1723,7 @@ struct aac_dev #define FIB_CONTEXT_FLAG_FASTRESP (0x00000008) #define FIB_CONTEXT_FLAG_NATIVE_HBA (0x00000010) #define FIB_CONTEXT_FLAG_NATIVE_HBA_TMF (0x00000020) +#define FIB_CONTEXT_FLAG_SCSI_CMD (0x00000040) /* * Define the command values diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 9ee025b1d0e0..97d269f16888 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -520,9 +520,9 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) dev->raw_io_64 = 1; dev->sync_mode = aac_sync_mode; if (dev->a_ops.adapter_comm && - (status[1] & AAC_OPT_NEW_COMM)) { - dev->comm_interface = AAC_COMM_MESSAGE; - dev->raw_io_interface = 1; + (status[1] & AAC_OPT_NEW_COMM)) { + dev->comm_interface = AAC_COMM_MESSAGE; + dev->raw_io_interface = 1; if ((status[1] & AAC_OPT_NEW_COMM_TYPE1)) { /* driver supports TYPE1 (Tupelo) */ dev->comm_interface = AAC_COMM_MESSAGE_TYPE1; diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 1c617ccfaf12..dfe8e70f8d99 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -770,7 +770,8 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback, /* bit1 of request_id must be 0 */ hbacmd->request_id = cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1); - } else + fibptr->flags |= FIB_CONTEXT_FLAG_SCSI_CMD; + } else if (command != HBA_IU_TYPE_SCSI_TM_REQ) return -EINVAL; diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 0f277df73af0..87cc4a93e637 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -814,111 +814,225 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) return ret; } +static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, + struct fib *fib, u64 tmf_lun) +{ + struct aac_hba_tm_req *tmf; + u64 address; + + /* start a HBA_TMF_LUN_RESET TMF request */ + tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; + memset(tmf, 0, sizeof(*tmf)); + tmf->tmf = HBA_TMF_LUN_RESET; + tmf->it_nexus = info->rmw_nexus; + int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); + + address = (u64)fib->hw_error_pa; + tmf->error_ptr_hi = cpu_to_le32 + ((u32)(address >> 32)); + tmf->error_ptr_lo = cpu_to_le32 + ((u32)(address & 0xffffffff)); + tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); + fib->hbacmd_size = sizeof(*tmf); + + return HBA_IU_TYPE_SCSI_TM_REQ; +} + +static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, + struct fib *fib) +{ + struct aac_hba_reset_req *rst; + u64 address; + + /* already tried, start a hard reset now */ + rst = (struct aac_hba_reset_req *)fib->hw_fib_va; + memset(rst, 0, sizeof(*rst)); + rst->it_nexus = info->rmw_nexus; + + address = (u64)fib->hw_error_pa; + rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); + rst->error_ptr_lo = cpu_to_le32 + ((u32)(address & 0xffffffff)); + rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); + fib->hbacmd_size = sizeof(*rst); + + return HBA_IU_TYPE_SATA_REQ; +} + +void aac_tmf_callback(void *context, struct fib *fibptr) +{ + struct aac_hba_resp *err = + &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; + struct aac_hba_map_info *info = context; + int res; + + switch (err->service_response) { + case HBA_RESP_SVCRES_TMF_REJECTED: + res = -1; + break; + case HBA_RESP_SVCRES_TMF_LUN_INVALID: + res = 0; + break; + case HBA_RESP_SVCRES_TMF_COMPLETE: + case HBA_RESP_SVCRES_TMF_SUCCEEDED: + res = 0; + break; + default: + res = -2; + break; + } + aac_fib_complete(fibptr); + + info->reset_state = res; +} + /* - * aac_eh_reset - Reset command handling + * aac_eh_dev_reset - Device reset command handling * @scsi_cmd: SCSI command block causing the reset * */ -static int aac_eh_reset(struct scsi_cmnd* cmd) +static int aac_eh_dev_reset(struct scsi_cmnd *cmd) { struct scsi_device * dev = cmd->device; struct Scsi_Host * host = dev->host; struct aac_dev * aac = (struct aac_dev *)host->hostdata; + struct aac_hba_map_info *info; int count; u32 bus, cid; + struct fib *fib; int ret = FAILED; - int status = 0; - __le32 supported_options2 = 0; - bool is_mu_reset; - bool is_ignore_reset; - bool is_doorbell_reset; - + int status; + u8 command; bus = aac_logical_to_phys(scmd_channel(cmd)); cid = scmd_id(cmd); - if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS && - aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { - struct fib *fib; - int status; - u64 address; - u8 command; + info = &aac->hba_map[bus][cid]; + if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || + info->devtype != AAC_DEVTYPE_NATIVE_RAW) + return FAILED; - pr_err("%s: Host adapter reset request. SCSI hang ?\n", - AAC_DRIVERNAME); + if (info->reset_state > 0) + return FAILED; - fib = aac_fib_alloc(aac); - if (!fib) - return ret; + pr_err("%s: Host adapter reset request. SCSI hang ?\n", + AAC_DRIVERNAME); + + fib = aac_fib_alloc(aac); + if (!fib) + return ret; + + /* start a HBA_TMF_LUN_RESET TMF request */ + command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); + info->reset_state = 1; - if (aac->hba_map[bus][cid].reset_state == 0) { - struct aac_hba_tm_req *tmf; - - /* start a HBA_TMF_LUN_RESET TMF request */ - tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; - memset(tmf, 0, sizeof(*tmf)); - tmf->tmf = HBA_TMF_LUN_RESET; - tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; - tmf->lun[1] = cmd->device->lun; - - address = (u64)fib->hw_error_pa; - tmf->error_ptr_hi = cpu_to_le32 - ((u32)(address >> 32)); - tmf->error_ptr_lo = cpu_to_le32 - ((u32)(address & 0xffffffff)); - tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); - fib->hbacmd_size = sizeof(*tmf); - - command = HBA_IU_TYPE_SCSI_TM_REQ; - aac->hba_map[bus][cid].reset_state++; - } else if (aac->hba_map[bus][cid].reset_state >= 1) { - struct aac_hba_reset_req *rst; - - /* already tried, start a hard reset now */ - rst = (struct aac_hba_reset_req *)fib->hw_fib_va; - memset(rst, 0, sizeof(*rst)); - /* reset_type is already zero... */ - rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus; - - address = (u64)fib->hw_error_pa; - rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); - rst->error_ptr_lo = cpu_to_le32 - ((u32)(address & 0xffffffff)); - rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); - fib->hbacmd_size = sizeof(*rst); - - command = HBA_IU_TYPE_SATA_REQ; - aac->hba_map[bus][cid].reset_state = 0; + status = aac_hba_send(command, fib, + (fib_callback) aac_tmf_callback, + (void *) info); + + /* Wait up to 15 seconds for completion */ + for (count = 0; count < 15; ++count) { + if (info->reset_state == 0) { + ret = info->reset_state == 0 ? SUCCESS : FAILED; + break; } - cmd->SCp.sent_command = 0; + msleep(1000); + } - status = aac_hba_send(command, fib, - (fib_callback) aac_hba_callback, - (void *) cmd); + return ret; +} - /* Wait up to 15 seconds for completion */ - for (count = 0; count < 15; ++count) { - if (cmd->SCp.sent_command) { - ret = SUCCESS; - break; - } - msleep(1000); +/* + * aac_eh_target_reset - Target reset command handling + * @scsi_cmd: SCSI command block causing the reset + * + */ +static int aac_eh_target_reset(struct scsi_cmnd *cmd) +{ + struct scsi_device * dev = cmd->device; + struct Scsi_Host * host = dev->host; + struct aac_dev * aac = (struct aac_dev *)host->hostdata; + struct aac_hba_map_info *info; + int count; + u32 bus, cid; + int ret = FAILED; + struct fib *fib; + int status; + u8 command; + + bus = aac_logical_to_phys(scmd_channel(cmd)); + cid = scmd_id(cmd); + info = &aac->hba_map[bus][cid]; + if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || + info->devtype != AAC_DEVTYPE_NATIVE_RAW) + return FAILED; + + if (info->reset_state > 0) + return FAILED; + + pr_err("%s: Host adapter reset request. SCSI hang ?\n", + AAC_DRIVERNAME); + + fib = aac_fib_alloc(aac); + if (!fib) + return ret; + + + /* already tried, start a hard reset now */ + command = aac_eh_tmf_hard_reset_fib(info, fib); + + info->reset_state = 2; + + status = aac_hba_send(command, fib, + (fib_callback) aac_tmf_callback, + (void *) info); + + /* Wait up to 15 seconds for completion */ + for (count = 0; count < 15; ++count) { + if (info->reset_state <= 0) { + ret = info->reset_state == 0 ? SUCCESS : FAILED; + break; } + msleep(1000); + } - if (ret == SUCCESS) - goto out; + return ret; +} - } else { +/* + * aac_eh_bus_reset - Bus reset command handling + * @scsi_cmd: SCSI command block causing the reset + * + */ +static int aac_eh_bus_reset(struct scsi_cmnd* cmd) +{ + struct scsi_device * dev = cmd->device; + struct Scsi_Host * host = dev->host; + struct aac_dev * aac = (struct aac_dev *)host->hostdata; + int count; + u32 cmd_bus; + int status = 0; - /* Mark the assoc. FIB to not complete, eh handler does this */ - for (count = 0; - count < (host->can_queue + AAC_NUM_MGT_FIB); - ++count) { - struct fib *fib = &aac->fibs[count]; - if (fib->hw_fib_va->header.XferState && - (fib->flags & FIB_CONTEXT_FLAG) && - (fib->callback_data == cmd)) { + cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); + /* Mark the assoc. FIB to not complete, eh handler does this */ + for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { + struct fib *fib = &aac->fibs[count]; + + if (fib->hw_fib_va->header.XferState && + (fib->flags & FIB_CONTEXT_FLAG) && + (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { + struct aac_hba_map_info *info; + u32 bus, cid; + + cmd = (struct scsi_cmnd *)fib->callback_data; + bus = aac_logical_to_phys(scmd_channel(cmd)); + if (bus != cmd_bus) + continue; + cid = scmd_id(cmd); + info = &aac->hba_map[bus][cid]; + if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || + info->devtype != AAC_DEVTYPE_NATIVE_RAW) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; } @@ -935,8 +1049,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd) dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); count = get_num_of_incomplete_fibs(aac); - if (count == 0) - return SUCCESS; + return (count == 0) ? SUCCESS : FAILED; +} + +/* + * aac_eh_host_reset - Host reset command handling + * @scsi_cmd: SCSI command block causing the reset + * + */ +int aac_eh_host_reset(struct scsi_cmnd *cmd) +{ + struct scsi_device * dev = cmd->device; + struct Scsi_Host * host = dev->host; + struct aac_dev * aac = (struct aac_dev *)host->hostdata; + int ret = FAILED; + __le32 supported_options2 = 0; + bool is_mu_reset; + bool is_ignore_reset; + bool is_doorbell_reset; /* * Check if reset is supported by the firmware @@ -954,11 +1084,24 @@ static int aac_eh_reset(struct scsi_cmnd* cmd) && aac_check_reset && (aac_check_reset != -1 || !is_ignore_reset)) { /* Bypass wait for command quiesce */ - aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET); + if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) + ret = SUCCESS; + } + /* + * Reset EH state + */ + if (ret == SUCCESS) { + int bus, cid; + struct aac_hba_map_info *info; + + for (bus = 0; bus < AAC_MAX_BUSES; bus++) { + for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { + info = &aac->hba_map[bus][cid]; + if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) + info->reset_state = 0; + } + } } - ret = SUCCESS; - -out: return ret; } @@ -1382,7 +1525,10 @@ static struct scsi_host_template aac_driver_template = { .change_queue_depth = aac_change_queue_depth, .sdev_attrs = aac_dev_attrs, .eh_abort_handler = aac_eh_abort, - .eh_host_reset_handler = aac_eh_reset, + .eh_device_reset_handler = aac_eh_dev_reset, + .eh_target_reset_handler = aac_eh_target_reset, + .eh_bus_reset_handler = aac_eh_bus_reset, + .eh_host_reset_handler = aac_eh_host_reset, .can_queue = AAC_NUM_IO_FIB, .this_id = MAXIMUM_NUM_CONTAINERS, .sg_tablesize = 16, @@ -1457,7 +1603,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* * Only series 7 needs freset. */ - if (pdev->device == PMC_DEVICE_S7) + if (pdev->device == PMC_DEVICE_S7) pdev->needs_freset = 1; list_for_each_entry(aac, &aac_devices, entry) { diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index ce5dc73d85bb..bc0058df31c6 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -1140,6 +1140,9 @@ static void free_hard_reset_SCs(struct Scsi_Host *shpnt, Scsi_Cmnd **SCs) /* * Reset the bus * + * AIC-6260 has a hard reset (MRST signal), but apparently + * one cannot trigger it via software. So live with + * a soft reset; no-one seemed to have cared. */ static int aha152x_bus_reset_host(struct Scsi_Host *shpnt) { @@ -1223,15 +1226,6 @@ int aha152x_host_reset_host(struct Scsi_Host *shpnt) } /* - * Reset the host (bus and controller) - * - */ -static int aha152x_host_reset(Scsi_Cmnd *SCpnt) -{ - return aha152x_host_reset_host(SCpnt->device->host); -} - -/* * Return the "logical geometry" * */ @@ -2917,7 +2911,6 @@ static struct scsi_host_template aha152x_driver_template = { .eh_abort_handler = aha152x_abort, .eh_device_reset_handler = aha152x_device_reset, .eh_bus_reset_handler = aha152x_bus_reset, - .eh_host_reset_handler = aha152x_host_reset, .bios_param = aha152x_biosparam, .can_queue = 1, .this_id = 7, diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index a23cc9ac5acd..124217927c4a 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -986,7 +986,7 @@ static struct isa_driver aha1542_isa_driver = { static int isa_registered; #ifdef CONFIG_PNP -static struct pnp_device_id aha1542_pnp_ids[] = { +static const struct pnp_device_id aha1542_pnp_ids[] = { { .id = "ADP1542" }, { .id = "" } }; diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile index 07b60a780c06..b03ba0df7a83 100644 --- a/drivers/scsi/aic7xxx/Makefile +++ b/drivers/scsi/aic7xxx/Makefile @@ -59,7 +59,8 @@ $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm $(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \ $(srctree)/$(src)/aic7xxx.seq -$(aic7xxx-gen-y): $(obj)/aic7xxx_seq.h +$(aic7xxx-gen-y): $(objtree)/$(obj)/aic7xxx_seq.h + @true else $(obj)/aic7xxx_reg_print.c: $(src)/aic7xxx_reg_print.c_shipped endif @@ -76,7 +77,8 @@ $(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm $(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \ $(srctree)/$(src)/aic79xx.seq -$(aic79xx-gen-y): $(obj)/aic79xx_seq.h +$(aic79xx-gen-y): $(objtree)/$(obj)/aic79xx_seq.h + @true else $(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped endif diff --git a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped index cdcead071ef6..ddcd5a7701ac 100644 --- a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped +++ b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped @@ -13,13 +13,6 @@ typedef struct ahd_reg_parse_entry { } ahd_reg_parse_entry_t; #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_mode_ptr_print; -#else -#define ahd_mode_ptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "MODE_PTR", 0x00, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_intstat_print; #else #define ahd_intstat_print(regvalue, cur_col, wrap) \ @@ -27,27 +20,6 @@ ahd_reg_print_t ahd_intstat_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_seqintcode_print; -#else -#define ahd_seqintcode_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SEQINTCODE", 0x02, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_error_print; -#else -#define ahd_error_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ERROR", 0x04, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_hescb_qoff_print; -#else -#define ahd_hescb_qoff_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "HESCB_QOFF", 0x08, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_hs_mailbox_print; #else #define ahd_hs_mailbox_print(regvalue, cur_col, wrap) \ @@ -62,27 +34,6 @@ ahd_reg_print_t ahd_seqintstat_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrseqintstat_print; -#else -#define ahd_clrseqintstat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRSEQINTSTAT", 0x0c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_swtimer_print; -#else -#define ahd_swtimer_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SWTIMER", 0x0e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sescb_qoff_print; -#else -#define ahd_sescb_qoff_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SESCB_QOFF", 0x12, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_intctl_print; #else #define ahd_intctl_print(regvalue, cur_col, wrap) \ @@ -111,111 +62,6 @@ ahd_reg_print_t ahd_sg_cache_shadow_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqin_print; -#else -#define ahd_lqin_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQIN", 0x20, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lunptr_print; -#else -#define ahd_lunptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LUNPTR", 0x22, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_cmdlenptr_print; -#else -#define ahd_cmdlenptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CMDLENPTR", 0x25, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_attrptr_print; -#else -#define ahd_attrptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ATTRPTR", 0x26, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_flagptr_print; -#else -#define ahd_flagptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "FLAGPTR", 0x27, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_cmdptr_print; -#else -#define ahd_cmdptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CMDPTR", 0x28, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_qnextptr_print; -#else -#define ahd_qnextptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "QNEXTPTR", 0x29, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_abrtbyteptr_print; -#else -#define ahd_abrtbyteptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ABRTBYTEPTR", 0x2b, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_abrtbitptr_print; -#else -#define ahd_abrtbitptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ABRTBITPTR", 0x2c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lunlen_print; -#else -#define ahd_lunlen_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LUNLEN", 0x30, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_cdblimit_print; -#else -#define ahd_cdblimit_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CDBLIMIT", 0x31, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_maxcmd_print; -#else -#define ahd_maxcmd_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "MAXCMD", 0x32, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_maxcmdcnt_print; -#else -#define ahd_maxcmdcnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "MAXCMDCNT", 0x33, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqctl1_print; -#else -#define ahd_lqctl1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQCTL1", 0x38, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqctl2_print; -#else -#define ahd_lqctl2_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQCTL2", 0x39, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_scsiseq0_print; #else #define ahd_scsiseq0_print(regvalue, cur_col, wrap) \ @@ -230,13 +76,6 @@ ahd_reg_print_t ahd_scsiseq1_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sxfrctl0_print; -#else -#define ahd_sxfrctl0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SXFRCTL0", 0x3c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_dffstat_print; #else #define ahd_dffstat_print(regvalue, cur_col, wrap) \ @@ -244,13 +83,6 @@ ahd_reg_print_t ahd_dffstat_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_multargid_print; -#else -#define ahd_multargid_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "MULTARGID", 0x40, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_scsisigi_print; #else #define ahd_scsisigi_print(regvalue, cur_col, wrap) \ @@ -265,13 +97,6 @@ ahd_reg_print_t ahd_scsiphase_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scsidat_print; -#else -#define ahd_scsidat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCSIDAT", 0x44, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_scsibus_print; #else #define ahd_scsibus_print(regvalue, cur_col, wrap) \ @@ -279,13 +104,6 @@ ahd_reg_print_t ahd_scsibus_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_targidin_print; -#else -#define ahd_targidin_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "TARGIDIN", 0x48, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_selid_print; #else #define ahd_selid_print(regvalue, cur_col, wrap) \ @@ -293,10 +111,10 @@ ahd_reg_print_t ahd_selid_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sblkctl_print; +ahd_reg_print_t ahd_simode0_print; #else -#define ahd_sblkctl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SBLKCTL", 0x4a, regvalue, cur_col, wrap) +#define ahd_simode0_print(regvalue, cur_col, wrap) \ + ahd_print_register(NULL, 0, "SIMODE0", 0x4b, regvalue, cur_col, wrap) #endif #if AIC_DEBUG_REGISTERS @@ -307,13 +125,6 @@ ahd_reg_print_t ahd_sstat0_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_simode0_print; -#else -#define ahd_simode0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SIMODE0", 0x4b, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_sstat1_print; #else #define ahd_sstat1_print(regvalue, cur_col, wrap) \ @@ -328,13 +139,6 @@ ahd_reg_print_t ahd_sstat2_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrsint2_print; -#else -#define ahd_clrsint2_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRSINT2", 0x4d, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_perrdiag_print; #else #define ahd_perrdiag_print(regvalue, cur_col, wrap) \ @@ -342,13 +146,6 @@ ahd_reg_print_t ahd_perrdiag_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqistate_print; -#else -#define ahd_lqistate_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQISTATE", 0x4e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_soffcnt_print; #else #define ahd_soffcnt_print(regvalue, cur_col, wrap) \ @@ -356,13 +153,6 @@ ahd_reg_print_t ahd_soffcnt_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqostate_print; -#else -#define ahd_lqostate_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQOSTATE", 0x4f, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqistat0_print; #else #define ahd_lqistat0_print(regvalue, cur_col, wrap) \ @@ -370,27 +160,6 @@ ahd_reg_print_t ahd_lqistat0_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrlqiint0_print; -#else -#define ahd_clrlqiint0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRLQIINT0", 0x50, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqimode0_print; -#else -#define ahd_lqimode0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQIMODE0", 0x50, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqimode1_print; -#else -#define ahd_lqimode1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQIMODE1", 0x51, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqistat1_print; #else #define ahd_lqistat1_print(regvalue, cur_col, wrap) \ @@ -398,13 +167,6 @@ ahd_reg_print_t ahd_lqistat1_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrlqiint1_print; -#else -#define ahd_clrlqiint1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRLQIINT1", 0x51, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqistat2_print; #else #define ahd_lqistat2_print(regvalue, cur_col, wrap) \ @@ -419,20 +181,6 @@ ahd_reg_print_t ahd_sstat3_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_simode3_print; -#else -#define ahd_simode3_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SIMODE3", 0x53, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrsint3_print; -#else -#define ahd_clrsint3_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRSINT3", 0x53, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqostat0_print; #else #define ahd_lqostat0_print(regvalue, cur_col, wrap) \ @@ -440,27 +188,6 @@ ahd_reg_print_t ahd_lqostat0_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrlqoint0_print; -#else -#define ahd_clrlqoint0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRLQOINT0", 0x54, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqomode0_print; -#else -#define ahd_lqomode0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQOMODE0", 0x54, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqomode1_print; -#else -#define ahd_lqomode1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQOMODE1", 0x55, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqostat1_print; #else #define ahd_lqostat1_print(regvalue, cur_col, wrap) \ @@ -468,13 +195,6 @@ ahd_reg_print_t ahd_lqostat1_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrlqoint1_print; -#else -#define ahd_clrlqoint1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRLQOINT1", 0x55, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_lqostat2_print; #else #define ahd_lqostat2_print(regvalue, cur_col, wrap) \ @@ -482,13 +202,6 @@ ahd_reg_print_t ahd_lqostat2_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_os_space_cnt_print; -#else -#define ahd_os_space_cnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "OS_SPACE_CNT", 0x56, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_simode1_print; #else #define ahd_simode1_print(regvalue, cur_col, wrap) \ @@ -496,13 +209,6 @@ ahd_reg_print_t ahd_simode1_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_gsfifo_print; -#else -#define ahd_gsfifo_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "GSFIFO", 0x58, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_dffsxfrctl_print; #else #define ahd_dffsxfrctl_print(regvalue, cur_col, wrap) \ @@ -510,27 +216,6 @@ ahd_reg_print_t ahd_dffsxfrctl_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lqoscsctl_print; -#else -#define ahd_lqoscsctl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LQOSCSCTL", 0x5a, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_nextscb_print; -#else -#define ahd_nextscb_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEXTSCB", 0x5a, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_clrseqintsrc_print; -#else -#define ahd_clrseqintsrc_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CLRSEQINTSRC", 0x5b, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seqintsrc_print; #else #define ahd_seqintsrc_print(regvalue, cur_col, wrap) \ @@ -538,13 +223,6 @@ ahd_reg_print_t ahd_seqintsrc_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_currscb_print; -#else -#define ahd_currscb_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CURRSCB", 0x5c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seqimode_print; #else #define ahd_seqimode_print(regvalue, cur_col, wrap) \ @@ -559,90 +237,6 @@ ahd_reg_print_t ahd_mdffstat_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_lastscb_print; -#else -#define ahd_lastscb_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LASTSCB", 0x5e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_negoaddr_print; -#else -#define ahd_negoaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEGOADDR", 0x60, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_negperiod_print; -#else -#define ahd_negperiod_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEGPERIOD", 0x61, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_negoffset_print; -#else -#define ahd_negoffset_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEGOFFSET", 0x62, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_negppropts_print; -#else -#define ahd_negppropts_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEGPPROPTS", 0x63, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_negconopts_print; -#else -#define ahd_negconopts_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEGCONOPTS", 0x64, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_annexcol_print; -#else -#define ahd_annexcol_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ANNEXCOL", 0x65, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_annexdat_print; -#else -#define ahd_annexdat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ANNEXDAT", 0x66, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scschkn_print; -#else -#define ahd_scschkn_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCSCHKN", 0x66, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_iownid_print; -#else -#define ahd_iownid_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "IOWNID", 0x67, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_shcnt_print; -#else -#define ahd_shcnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SHCNT", 0x68, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_townid_print; -#else -#define ahd_townid_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "TOWNID", 0x69, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seloid_print; #else #define ahd_seloid_print(regvalue, cur_col, wrap) \ @@ -650,90 +244,6 @@ ahd_reg_print_t ahd_seloid_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scbhaddr_print; -#else -#define ahd_scbhaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCBHADDR", 0x7c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sghaddr_print; -#else -#define ahd_sghaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SGHADDR", 0x7c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scbhcnt_print; -#else -#define ahd_scbhcnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCBHCNT", 0x84, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sghcnt_print; -#else -#define ahd_sghcnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SGHCNT", 0x84, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_pcixctl_print; -#else -#define ahd_pcixctl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "PCIXCTL", 0x93, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_dchspltstat0_print; -#else -#define ahd_dchspltstat0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "DCHSPLTSTAT0", 0x96, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_dchspltstat1_print; -#else -#define ahd_dchspltstat1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "DCHSPLTSTAT1", 0x97, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sgspltstat0_print; -#else -#define ahd_sgspltstat0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SGSPLTSTAT0", 0x9e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_sgspltstat1_print; -#else -#define ahd_sgspltstat1_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SGSPLTSTAT1", 0x9f, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_df0pcistat_print; -#else -#define ahd_df0pcistat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "DF0PCISTAT", 0xa0, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_reg0_print; -#else -#define ahd_reg0_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "REG0", 0xa0, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_reg_isr_print; -#else -#define ahd_reg_isr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "REG_ISR", 0xa4, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_sg_state_print; #else #define ahd_sg_state_print(regvalue, cur_col, wrap) \ @@ -741,27 +251,6 @@ ahd_reg_print_t ahd_sg_state_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_targpcistat_print; -#else -#define ahd_targpcistat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "TARGPCISTAT", 0xa7, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scbautoptr_print; -#else -#define ahd_scbautoptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCBAUTOPTR", 0xab, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_ccscbaddr_print; -#else -#define ahd_ccscbaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CCSCBADDR", 0xac, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_ccscbctl_print; #else #define ahd_ccscbctl_print(regvalue, cur_col, wrap) \ @@ -776,69 +265,6 @@ ahd_reg_print_t ahd_ccsgctl_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_ccscbram_print; -#else -#define ahd_ccscbram_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CCSCBRAM", 0xb0, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_brddat_print; -#else -#define ahd_brddat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "BRDDAT", 0xb8, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_seeadr_print; -#else -#define ahd_seeadr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SEEADR", 0xba, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_seedat_print; -#else -#define ahd_seedat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SEEDAT", 0xbc, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_seectl_print; -#else -#define ahd_seectl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SEECTL", 0xbe, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_seestat_print; -#else -#define ahd_seestat_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SEESTAT", 0xbe, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_dspdatactl_print; -#else -#define ahd_dspdatactl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "DSPDATACTL", 0xc1, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_dspselect_print; -#else -#define ahd_dspselect_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "DSPSELECT", 0xc4, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_wrtbiasctl_print; -#else -#define ahd_wrtbiasctl_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "WRTBIASCTL", 0xc5, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seqctl0_print; #else #define ahd_seqctl0_print(regvalue, cur_col, wrap) \ @@ -853,62 +279,6 @@ ahd_reg_print_t ahd_seqintctl_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_prgmcnt_print; -#else -#define ahd_prgmcnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "PRGMCNT", 0xde, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_none_print; -#else -#define ahd_none_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NONE", 0xea, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_intvec1_addr_print; -#else -#define ahd_intvec1_addr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INTVEC1_ADDR", 0xf4, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_curaddr_print; -#else -#define ahd_curaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CURADDR", 0xf4, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_intvec2_addr_print; -#else -#define ahd_intvec2_addr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INTVEC2_ADDR", 0xf6, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_longjmp_addr_print; -#else -#define ahd_longjmp_addr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LONGJMP_ADDR", 0xf8, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_accum_save_print; -#else -#define ahd_accum_save_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ACCUM_SAVE", 0xfa, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_waiting_scb_tails_print; -#else -#define ahd_waiting_scb_tails_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "WAITING_SCB_TAILS", 0x100, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_sram_base_print; #else #define ahd_sram_base_print(regvalue, cur_col, wrap) \ @@ -916,62 +286,6 @@ ahd_reg_print_t ahd_sram_base_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_waiting_tid_head_print; -#else -#define ahd_waiting_tid_head_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "WAITING_TID_HEAD", 0x120, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_waiting_tid_tail_print; -#else -#define ahd_waiting_tid_tail_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "WAITING_TID_TAIL", 0x122, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_next_queued_scb_addr_print; -#else -#define ahd_next_queued_scb_addr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "NEXT_QUEUED_SCB_ADDR", 0x124, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_complete_scb_head_print; -#else -#define ahd_complete_scb_head_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "COMPLETE_SCB_HEAD", 0x128, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_complete_scb_dmainprog_head_print; -#else -#define ahd_complete_scb_dmainprog_head_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "COMPLETE_SCB_DMAINPROG_HEAD", 0x12a, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_complete_dma_scb_head_print; -#else -#define ahd_complete_dma_scb_head_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_HEAD", 0x12c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_complete_dma_scb_tail_print; -#else -#define ahd_complete_dma_scb_tail_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_TAIL", 0x12e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_complete_on_qfreeze_head_print; -#else -#define ahd_complete_on_qfreeze_head_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "COMPLETE_ON_QFREEZE_HEAD", 0x130, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_qfreeze_count_print; #else #define ahd_qfreeze_count_print(regvalue, cur_col, wrap) \ @@ -993,13 +307,6 @@ ahd_reg_print_t ahd_saved_mode_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_msg_out_print; -#else -#define ahd_msg_out_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "MSG_OUT", 0x137, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seq_flags_print; #else #define ahd_seq_flags_print(regvalue, cur_col, wrap) \ @@ -1014,48 +321,6 @@ ahd_reg_print_t ahd_lastphase_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_qoutfifo_entry_valid_tag_print; -#else -#define ahd_qoutfifo_entry_valid_tag_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "QOUTFIFO_ENTRY_VALID_TAG", 0x13d, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_kernel_tqinpos_print; -#else -#define ahd_kernel_tqinpos_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "KERNEL_TQINPOS", 0x13e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_qoutfifo_next_addr_print; -#else -#define ahd_qoutfifo_next_addr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "QOUTFIFO_NEXT_ADDR", 0x144, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_last_msg_print; -#else -#define ahd_last_msg_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LAST_MSG", 0x14a, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scsiseq_template_print; -#else -#define ahd_scsiseq_template_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCSISEQ_TEMPLATE", 0x14b, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_initiator_tag_print; -#else -#define ahd_initiator_tag_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INITIATOR_TAG", 0x14c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_seq_flags2_print; #else #define ahd_seq_flags2_print(regvalue, cur_col, wrap) \ @@ -1063,62 +328,6 @@ ahd_reg_print_t ahd_seq_flags2_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_allocfifo_scbptr_print; -#else -#define ahd_allocfifo_scbptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "ALLOCFIFO_SCBPTR", 0x14e, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_int_coalescing_timer_print; -#else -#define ahd_int_coalescing_timer_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INT_COALESCING_TIMER", 0x150, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_int_coalescing_maxcmds_print; -#else -#define ahd_int_coalescing_maxcmds_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INT_COALESCING_MAXCMDS", 0x152, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_int_coalescing_mincmds_print; -#else -#define ahd_int_coalescing_mincmds_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INT_COALESCING_MINCMDS", 0x153, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_cmds_pending_print; -#else -#define ahd_cmds_pending_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CMDS_PENDING", 0x154, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_int_coalescing_cmdcount_print; -#else -#define ahd_int_coalescing_cmdcount_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "INT_COALESCING_CMDCOUNT", 0x156, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_local_hs_mailbox_print; -#else -#define ahd_local_hs_mailbox_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "LOCAL_HS_MAILBOX", 0x157, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_cmdsize_table_print; -#else -#define ahd_cmdsize_table_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "CMDSIZE_TABLE", 0x158, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_mk_message_scb_print; #else #define ahd_mk_message_scb_print(regvalue, cur_col, wrap) \ @@ -1140,27 +349,6 @@ ahd_reg_print_t ahd_scb_base_print; #endif #if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_residual_datacnt_print; -#else -#define ahd_scb_residual_datacnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_RESIDUAL_DATACNT", 0x180, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_sense_busaddr_print; -#else -#define ahd_scb_sense_busaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_SENSE_BUSADDR", 0x18c, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_tag_print; -#else -#define ahd_scb_tag_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_TAG", 0x190, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS ahd_reg_print_t ahd_scb_control_print; #else #define ahd_scb_control_print(regvalue, cur_col, wrap) \ @@ -1174,69 +362,6 @@ ahd_reg_print_t ahd_scb_scsiid_print; ahd_print_register(NULL, 0, "SCB_SCSIID", 0x193, regvalue, cur_col, wrap) #endif -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_lun_print; -#else -#define ahd_scb_lun_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_LUN", 0x194, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_task_attribute_print; -#else -#define ahd_scb_task_attribute_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_TASK_ATTRIBUTE", 0x195, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_task_management_print; -#else -#define ahd_scb_task_management_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_TASK_MANAGEMENT", 0x197, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_dataptr_print; -#else -#define ahd_scb_dataptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_DATAPTR", 0x198, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_datacnt_print; -#else -#define ahd_scb_datacnt_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_DATACNT", 0x1a0, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_sgptr_print; -#else -#define ahd_scb_sgptr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_SGPTR", 0x1a4, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_busaddr_print; -#else -#define ahd_scb_busaddr_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_BUSADDR", 0x1a8, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_next2_print; -#else -#define ahd_scb_next2_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_NEXT2", 0x1ae, regvalue, cur_col, wrap) -#endif - -#if AIC_DEBUG_REGISTERS -ahd_reg_print_t ahd_scb_disconnected_lists_print; -#else -#define ahd_scb_disconnected_lists_print(regvalue, cur_col, wrap) \ - ahd_print_register(NULL, 0, "SCB_DISCONNECTED_LISTS", 0x1b8, regvalue, cur_col, wrap) -#endif - #define MODE_PTR 0x00 #define DST_MODE 0x70 @@ -1292,15 +417,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CLRCMDINT 0x02 #define CLRSPLTINT 0x01 -#define ERROR 0x04 -#define CIOPARERR 0x80 -#define CIOACCESFAIL 0x40 -#define MPARERR 0x20 -#define DPARERR 0x10 -#define SQPARERR 0x08 -#define ILLOPCODE 0x04 -#define DSCTMOUT 0x02 - #define CLRERR 0x04 #define CLRCIOPARERR 0x80 #define CLRCIOACCESFAIL 0x40 @@ -1310,6 +426,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CLRILLOPCODE 0x04 #define CLRDSCTMOUT 0x02 +#define ERROR 0x04 +#define CIOPARERR 0x80 +#define CIOACCESFAIL 0x40 +#define MPARERR 0x20 +#define DPARERR 0x10 +#define SQPARERR 0x08 +#define ILLOPCODE 0x04 +#define DSCTMOUT 0x02 + #define HCNTRL 0x05 #define SEQ_RESET 0x80 #define POWRDN 0x40 @@ -1404,22 +529,22 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define FIFOFULL 0x02 #define FIFOEMP 0x01 -#define SG_CACHE_SHADOW 0x1b -#define ODD_SEG 0x04 -#define LAST_SEG 0x02 -#define LAST_SEG_DONE 0x01 - #define ARBCTL 0x1b #define RESET_HARB 0x80 #define RETRY_SWEN 0x08 #define USE_TIME 0x07 -#define SG_CACHE_PRE 0x1b +#define SG_CACHE_SHADOW 0x1b +#define ODD_SEG 0x04 +#define LAST_SEG 0x02 +#define LAST_SEG_DONE 0x01 -#define LQIN 0x20 +#define SG_CACHE_PRE 0x1b #define TYPEPTR 0x20 +#define LQIN 0x20 + #define TAGPTR 0x21 #define LUNPTR 0x22 @@ -1479,14 +604,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SINGLECMD 0x02 #define ABORTPENDING 0x01 -#define SCSBIST0 0x39 -#define GSBISTERR 0x40 -#define GSBISTDONE 0x20 -#define GSBISTRUN 0x10 -#define OSBISTERR 0x04 -#define OSBISTDONE 0x02 -#define OSBISTRUN 0x01 - #define LQCTL2 0x39 #define LQIRETRY 0x80 #define LQICONTINUE 0x40 @@ -1497,10 +614,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define LQOTOIDLE 0x02 #define LQOPAUSE 0x01 -#define SCSBIST1 0x3a -#define NTBISTERR 0x04 -#define NTBISTDONE 0x02 -#define NTBISTRUN 0x01 +#define SCSBIST0 0x39 +#define GSBISTERR 0x40 +#define GSBISTDONE 0x20 +#define GSBISTRUN 0x10 +#define OSBISTERR 0x04 +#define OSBISTDONE 0x02 +#define OSBISTRUN 0x01 #define SCSISEQ0 0x3a #define TEMODEO 0x80 @@ -1509,8 +629,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define FORCEBUSFREE 0x10 #define SCSIRSTO 0x01 +#define SCSBIST1 0x3a +#define NTBISTERR 0x04 +#define NTBISTDONE 0x02 +#define NTBISTRUN 0x01 + #define SCSISEQ1 0x3b +#define BUSINITID 0x3c + #define SXFRCTL0 0x3c #define DFON 0x80 #define DFPEXP 0x40 @@ -1519,8 +646,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define DLCOUNT 0x3c -#define BUSINITID 0x3c - #define SXFRCTL1 0x3d #define BITBUCKET 0x80 #define ENSACHK 0x40 @@ -1545,6 +670,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CURRFIFO_1 0x01 #define CURRFIFO_0 0x00 +#define MULTARGID 0x40 + #define SCSISIGO 0x40 #define CDO 0x80 #define IOO 0x40 @@ -1555,8 +682,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define REQO 0x02 #define ACKO 0x01 -#define MULTARGID 0x40 - #define SCSISIGI 0x41 #define ATNI 0x10 #define SELI 0x08 @@ -1603,14 +728,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define ENAB20 0x04 #define SELWIDE 0x02 -#define CLRSINT0 0x4b -#define CLRSELDO 0x40 -#define CLRSELDI 0x20 -#define CLRSELINGO 0x10 -#define CLRIOERR 0x08 -#define CLROVERRUN 0x04 -#define CLRSPIORDY 0x02 -#define CLRARBDO 0x01 +#define SIMODE0 0x4b +#define ENSELDO 0x40 +#define ENSELDI 0x20 +#define ENSELINGO 0x10 +#define ENIOERR 0x08 +#define ENOVERRUN 0x04 +#define ENSPIORDY 0x02 +#define ENARBDO 0x01 #define SSTAT0 0x4b #define TARGET 0x80 @@ -1622,23 +747,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SPIORDY 0x02 #define ARBDO 0x01 -#define SIMODE0 0x4b -#define ENSELDO 0x40 -#define ENSELDI 0x20 -#define ENSELINGO 0x10 -#define ENIOERR 0x08 -#define ENOVERRUN 0x04 -#define ENSPIORDY 0x02 -#define ENARBDO 0x01 - -#define CLRSINT1 0x4c -#define CLRSELTIMEO 0x80 -#define CLRATNO 0x40 -#define CLRSCSIRSTI 0x20 -#define CLRBUSFREE 0x08 -#define CLRSCSIPERR 0x04 -#define CLRSTRB2FAST 0x02 -#define CLRREQINIT 0x01 +#define CLRSINT0 0x4b +#define CLRSELDO 0x40 +#define CLRSELDI 0x20 +#define CLRSELINGO 0x10 +#define CLRIOERR 0x08 +#define CLROVERRUN 0x04 +#define CLRSPIORDY 0x02 +#define CLRARBDO 0x01 #define SSTAT1 0x4c #define SELTO 0x80 @@ -1650,6 +766,20 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define STRB2FAST 0x02 #define REQINIT 0x01 +#define CLRSINT1 0x4c +#define CLRSELTIMEO 0x80 +#define CLRATNO 0x40 +#define CLRSCSIRSTI 0x20 +#define CLRBUSFREE 0x08 +#define CLRSCSIPERR 0x04 +#define CLRSTRB2FAST 0x02 +#define CLRREQINIT 0x01 + +#define SIMODE2 0x4d +#define ENWIDE_RES 0x04 +#define ENSDONE 0x02 +#define ENDMADONE 0x01 + #define SSTAT2 0x4d #define BUSFREETIME 0xc0 #define NONPACKREQ 0x20 @@ -1662,11 +792,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define BUSFREE_DFF0 0x80 #define BUSFREE_LQO 0x40 -#define SIMODE2 0x4d -#define ENWIDE_RES 0x04 -#define ENSDONE 0x02 -#define ENDMADONE 0x01 - #define CLRSINT2 0x4d #define CLRNONPACKREQ 0x20 #define CLRWIDE_RES 0x04 @@ -1685,10 +810,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define LQISTATE 0x4e -#define SOFFCNT 0x4f - #define LQOSTATE 0x4f +#define SOFFCNT 0x4f + #define LQISTAT0 0x50 #define LQIATNQAS 0x20 #define LQICRCT1 0x10 @@ -1697,14 +822,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define LQIATNLQ 0x02 #define LQIATNCMD 0x01 -#define CLRLQIINT0 0x50 -#define CLRLQIATNQAS 0x20 -#define CLRLQICRCT1 0x10 -#define CLRLQICRCT2 0x08 -#define CLRLQIBADLQT 0x04 -#define CLRLQIATNLQ 0x02 -#define CLRLQIATNCMD 0x01 - #define LQIMODE0 0x50 #define ENLQIATNQASK 0x20 #define ENLQICRCT1 0x10 @@ -1713,6 +830,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define ENLQIATNLQ 0x02 #define ENLQIATNCMD 0x01 +#define CLRLQIINT0 0x50 +#define CLRLQIATNQAS 0x20 +#define CLRLQICRCT1 0x10 +#define CLRLQICRCT2 0x08 +#define CLRLQIBADLQT 0x04 +#define CLRLQIATNLQ 0x02 +#define CLRLQIATNCMD 0x01 + #define LQIMODE1 0x51 #define ENLQIPHASE_LQ 0x80 #define ENLQIPHASE_NLQ 0x40 @@ -1753,25 +878,18 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define LQISTOPCMD 0x02 #define LQIGSAVAIL 0x01 -#define SSTAT3 0x53 -#define NTRAMPERR 0x02 -#define OSRAMPERR 0x01 - #define SIMODE3 0x53 #define ENNTRAMPERR 0x02 #define ENOSRAMPERR 0x01 +#define SSTAT3 0x53 +#define NTRAMPERR 0x02 +#define OSRAMPERR 0x01 + #define CLRSINT3 0x53 #define CLRNTRAMPERR 0x02 #define CLROSRAMPERR 0x01 -#define LQOSTAT0 0x54 -#define LQOTARGSCBPERR 0x10 -#define LQOSTOPT2 0x08 -#define LQOATNLQ 0x04 -#define LQOATNPKT 0x02 -#define LQOTCRC 0x01 - #define CLRLQOINT0 0x54 #define CLRLQOTARGSCBPERR 0x10 #define CLRLQOSTOPT2 0x08 @@ -1779,6 +897,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CLRLQOATNPKT 0x02 #define CLRLQOTCRC 0x01 +#define LQOSTAT0 0x54 +#define LQOTARGSCBPERR 0x10 +#define LQOSTOPT2 0x08 +#define LQOATNLQ 0x04 +#define LQOATNPKT 0x02 +#define LQOTCRC 0x01 + #define LQOMODE0 0x54 #define ENLQOTARGSCBPERR 0x10 #define ENLQOSTOPT2 0x08 @@ -1793,13 +918,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define ENLQOBUSFREE 0x02 #define ENLQOPHACHGINPKT 0x01 -#define LQOSTAT1 0x55 -#define LQOINITSCBPERR 0x10 -#define LQOSTOPI2 0x08 -#define LQOBADQAS 0x04 -#define LQOBUSFREE 0x02 -#define LQOPHACHGINPKT 0x01 - #define CLRLQOINT1 0x55 #define CLRLQOINITSCBPERR 0x10 #define CLRLQOSTOPI2 0x08 @@ -1807,6 +925,13 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CLRLQOBUSFREE 0x02 #define CLRLQOPHACHGINPKT 0x01 +#define LQOSTAT1 0x55 +#define LQOINITSCBPERR 0x10 +#define LQOSTOPI2 0x08 +#define LQOBADQAS 0x04 +#define LQOBUSFREE 0x02 +#define LQOPHACHGINPKT 0x01 + #define LQOSTAT2 0x56 #define LQOPKT 0xe0 #define LQOWAITFIFO 0x10 @@ -1859,8 +984,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CFG4ICMD 0x02 #define CFG4TCMD 0x01 -#define CURRSCB 0x5c - #define SEQIMODE 0x5c #define ENCTXTDONE 0x40 #define ENSAVEPTRS 0x20 @@ -1870,6 +993,11 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define ENCFG4ICMD 0x02 #define ENCFG4TCMD 0x01 +#define CURRSCB 0x5c + +#define CRCCONTROL 0x5d +#define CRCVALCHKEN 0x40 + #define MDFFSTAT 0x5d #define SHCNTNEGATIVE 0x40 #define SHCNTMINUS1 0x20 @@ -1879,34 +1007,31 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define DATAINFIFO 0x02 #define FIFOFREE 0x01 -#define CRCCONTROL 0x5d -#define CRCVALCHKEN 0x40 - #define DFFTAG 0x5e -#define LASTSCB 0x5e - #define SCSITEST 0x5e #define CNTRTEST 0x08 #define SEL_TXPLL_DEBUG 0x04 +#define LASTSCB 0x5e + #define IOPDNCTL 0x5f #define DISABLE_OE 0x80 #define PDN_IDIST 0x04 #define PDN_DIFFSENSE 0x01 -#define SHADDR 0x60 +#define DGRPCRCI 0x60 #define NEGOADDR 0x60 -#define DGRPCRCI 0x60 +#define SHADDR 0x60 #define NEGPERIOD 0x61 -#define PACKCRCI 0x62 - #define NEGOFFSET 0x62 +#define PACKCRCI 0x62 + #define NEGPPROPTS 0x63 #define PPROPT_PACE 0x08 #define PPROPT_QAS 0x04 @@ -1942,16 +1067,18 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SHCNT 0x68 -#define TOWNID 0x69 - #define PLL960CTL1 0x69 +#define TOWNID 0x69 + #define PLL960CNT0 0x6a #define XSIG 0x6a #define SELOID 0x6b +#define FAIRNESS 0x6c + #define PLL400CTL0 0x6c #define PLL_VCOSEL 0x80 #define PLL_PWDN 0x40 @@ -1961,8 +1088,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define PLL_DLPF 0x02 #define PLL_ENFBM 0x01 -#define FAIRNESS 0x6c - #define PLL400CTL1 0x6d #define PLL_CNTEN 0x80 #define PLL_CNTCLR 0x40 @@ -1974,25 +1099,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define HADDR 0x70 +#define HODMAADR 0x70 + #define PLLDELAY 0x70 #define SPLIT_DROP_REQ 0x80 -#define HODMAADR 0x70 +#define HCNT 0x78 #define HODMACNT 0x78 -#define HCNT 0x78 - #define HODMAEN 0x7a -#define SCBHADDR 0x7c - #define SGHADDR 0x7c -#define SCBHCNT 0x84 +#define SCBHADDR 0x7c #define SGHCNT 0x84 +#define SCBHCNT 0x84 + #define DFF_THRSH 0x88 #define WR_DFTHRSH 0x70 #define RD_DFTHRSH 0x07 @@ -2025,6 +1150,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CMCRXMSG0 0x90 +#define OVLYRXMSG0 0x90 + +#define DCHRXMSG0 0x90 + #define ROENABLE 0x90 #define MSIROEN 0x20 #define OVLYROEN 0x10 @@ -2033,11 +1162,11 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define DCH1ROEN 0x02 #define DCH0ROEN 0x01 -#define OVLYRXMSG0 0x90 +#define OVLYRXMSG1 0x91 -#define DCHRXMSG0 0x90 +#define CMCRXMSG1 0x91 -#define OVLYRXMSG1 0x91 +#define DCHRXMSG1 0x91 #define NSENABLE 0x91 #define MSINSEN 0x20 @@ -2047,10 +1176,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define DCH1NSEN 0x02 #define DCH0NSEN 0x01 -#define CMCRXMSG1 0x91 - -#define DCHRXMSG1 0x91 - #define DCHRXMSG2 0x92 #define CMCRXMSG2 0x92 @@ -2074,24 +1199,24 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define TSCSERREN 0x02 #define CMPABCDIS 0x01 +#define CMCSEQBCNT 0x94 + #define OVLYSEQBCNT 0x94 #define DCHSEQBCNT 0x94 -#define CMCSEQBCNT 0x94 - -#define CMCSPLTSTAT0 0x96 - #define DCHSPLTSTAT0 0x96 #define OVLYSPLTSTAT0 0x96 -#define CMCSPLTSTAT1 0x97 +#define CMCSPLTSTAT0 0x96 #define OVLYSPLTSTAT1 0x97 #define DCHSPLTSTAT1 0x97 +#define CMCSPLTSTAT1 0x97 + #define SGRXMSG0 0x98 #define CDNUM 0xf8 #define CFNUM 0x07 @@ -2119,18 +1244,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define TAG_NUM 0x1f #define RLXORD 0x10 -#define SGSEQBCNT 0x9c - #define SLVSPLTOUTATTR0 0x9c #define LOWER_BCNT 0xff +#define SGSEQBCNT 0x9c + #define SLVSPLTOUTATTR1 0x9d #define CMPLT_DNUM 0xf8 #define CMPLT_FNUM 0x07 -#define SLVSPLTOUTATTR2 0x9e -#define CMPLT_BNUM 0xff - #define SGSPLTSTAT0 0x9e #define STAETERM 0x80 #define SCBCERR 0x40 @@ -2141,6 +1263,9 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define RXSCEMSG 0x02 #define RXSPLTRSP 0x01 +#define SLVSPLTOUTATTR2 0x9e +#define CMPLT_BNUM 0xff + #define SGSPLTSTAT1 0x9f #define RXDATABUCKET 0x01 @@ -2177,14 +1302,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CLRPENDMSI 0x08 #define DPR 0x01 +#define DATA_COUNT_ODD 0xa7 + #define TARGPCISTAT 0xa7 #define DPE 0x80 #define SSE 0x40 #define STA 0x08 #define TWATERR 0x02 -#define DATA_COUNT_ODD 0xa7 - #define SCBPTR 0xa8 #define CCSCBACNT 0xab @@ -2196,10 +1321,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define CCSGADDR 0xac -#define CCSCBADR_BK 0xac - #define CCSCBADDR 0xac +#define CCSCBADR_BK 0xac + #define CMC_RAMBIST 0xad #define SG_ELEMENT_SIZE 0x80 #define SCBRAMBIST_FAIL 0x40 @@ -2253,9 +1378,9 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SEEDAT 0xbc #define SEECTL 0xbe +#define SEEOP_EWDS 0x40 #define SEEOP_WALL 0x40 #define SEEOP_EWEN 0x40 -#define SEEOP_EWDS 0x40 #define SEEOPCODE 0x70 #define SEERST 0x02 #define SEESTART 0x01 @@ -2272,25 +1397,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SCBCNT 0xbf -#define DFWADDR 0xc0 - #define DSPFLTRCTL 0xc0 #define FLTRDISABLE 0x20 #define EDGESENSE 0x10 #define DSPFCNTSEL 0x0f +#define DFWADDR 0xc0 + #define DSPDATACTL 0xc1 #define BYPASSENAB 0x80 #define DESQDIS 0x10 #define RCVROFFSTDIS 0x04 #define XMITOFFSTDIS 0x02 -#define DFRADDR 0xc2 - #define DSPREQCTL 0xc2 #define MANREQCTL 0xc0 #define MANREQDLY 0x3f +#define DFRADDR 0xc2 + #define DSPACKCTL 0xc3 #define MANACKCTL 0xc0 #define MANACKDLY 0x3f @@ -2311,14 +1436,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define WRTBIASCALC 0xc7 -#define RCVRBIASCALC 0xc8 - #define DFPTRS 0xc8 -#define SKEWCALC 0xc9 +#define RCVRBIASCALC 0xc8 #define DFBKPTR 0xc9 +#define SKEWCALC 0xc9 + #define DFDBCTL 0xcb #define DFF_CIO_WR_RDY 0x20 #define DFF_CIO_RD_RDY 0x10 @@ -2403,12 +1528,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define ACCUM_SAVE 0xfa -#define WAITING_SCB_TAILS 0x100 - #define AHD_PCI_CONFIG_BASE 0x100 #define SRAM_BASE 0x100 +#define WAITING_SCB_TAILS 0x100 + #define WAITING_TID_HEAD 0x120 #define WAITING_TID_TAIL 0x122 @@ -2437,8 +1562,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define PRELOADEN 0x80 #define WIDEODD 0x40 #define SCSIEN 0x20 -#define SDMAEN 0x10 #define SDMAENACK 0x10 +#define SDMAEN 0x10 #define HDMAEN 0x08 #define HDMAENACK 0x08 #define DIRECTION 0x04 @@ -2536,12 +1661,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define MK_MESSAGE_SCSIID 0x162 -#define SCB_BASE 0x180 - #define SCB_RESIDUAL_DATACNT 0x180 #define SCB_CDB_STORE 0x180 #define SCB_HOST_CDB_PTR 0x180 +#define SCB_BASE 0x180 + #define SCB_RESIDUAL_SGPTR 0x184 #define SG_ADDR_MASK 0xf8 #define SG_OVERRUN_RESID 0x02 @@ -2609,77 +1734,77 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print; #define SCB_DISCONNECTED_LISTS 0x1b8 +#define STIMESEL_SHIFT 0x03 +#define STIMESEL_MIN 0x18 +#define INVALID_ADDR 0x80 +#define CMD_GROUP_CODE_SHIFT 0x05 +#define AHD_PRECOMP_MASK 0x07 +#define TARGET_DATA_IN 0x01 +#define SEEOP_EWEN_ADDR 0xc0 +#define NUMDSPS 0x14 +#define DST_MODE_SHIFT 0x04 +#define CCSCBADDR_MAX 0x80 +#define AHD_ANNEXCOL_PER_DEV0 0x04 +#define TARGET_CMD_CMPLT 0xfe +#define SEEOP_WRAL_ADDR 0x40 +#define BUS_8_BIT 0x00 #define AHD_TIMER_MAX_US 0x18ffe7 #define AHD_TIMER_MAX_TICKS 0xffff #define AHD_SENSE_BUFSIZE 0x100 -#define BUS_8_BIT 0x00 -#define TARGET_CMD_CMPLT 0xfe -#define SEEOP_WRAL_ADDR 0x40 -#define AHD_AMPLITUDE_DEF 0x07 -#define AHD_PRECOMP_CUTBACK_37 0x07 #define AHD_PRECOMP_SHIFT 0x00 +#define AHD_PRECOMP_CUTBACK_37 0x07 #define AHD_ANNEXCOL_PRECOMP_SLEW 0x04 -#define AHD_TIMER_US_PER_TICK 0x19 -#define SCB_TRANSFER_SIZE_FULL_LUN 0x38 +#define AHD_AMPLITUDE_DEF 0x07 +#define WRTBIASCTL_HP_DEFAULT 0x00 +#define TID_SHIFT 0x04 #define STATUS_QUEUE_FULL 0x28 #define STATUS_BUSY 0x08 -#define MAX_OFFSET_NON_PACED 0x7f +#define SEEOP_EWDS_ADDR 0x00 +#define SCB_TRANSFER_SIZE_FULL_LUN 0x38 +#define MK_MESSAGE_BIT_OFFSET 0x04 #define MAX_OFFSET_PACED 0xfe -#define BUS_32_BIT 0x02 +#define MAX_OFFSET_NON_PACED 0x7f +#define LUNLEN_SINGLE_LEVEL_LUN 0x0f #define CCSGADDR_MAX 0x80 -#define TID_SHIFT 0x04 -#define MK_MESSAGE_BIT_OFFSET 0x04 -#define WRTBIASCTL_HP_DEFAULT 0x00 -#define SEEOP_EWDS_ADDR 0x00 -#define AHD_AMPLITUDE_SHIFT 0x00 -#define AHD_AMPLITUDE_MASK 0x07 -#define AHD_ANNEXCOL_AMPLITUDE 0x06 -#define AHD_SLEWRATE_DEF_REVA 0x08 +#define B_CURRFIFO_0 0x02 +#define BUS_32_BIT 0x02 +#define AHD_TIMER_US_PER_TICK 0x19 #define AHD_SLEWRATE_SHIFT 0x03 #define AHD_SLEWRATE_MASK 0x78 +#define AHD_SLEWRATE_DEF_REVA 0x08 #define AHD_PRECOMP_CUTBACK_29 0x06 #define AHD_NUM_PER_DEV_ANNEXCOLS 0x04 -#define B_CURRFIFO_0 0x02 -#define LUNLEN_SINGLE_LEVEL_LUN 0x0f -#define NVRAM_SCB_OFFSET 0x2c +#define AHD_ANNEXCOL_AMPLITUDE 0x06 +#define AHD_AMPLITUDE_SHIFT 0x00 +#define AHD_AMPLITUDE_MASK 0x07 +#define STIMESEL_BUG_ADJ 0x08 #define STATUS_PKT_SENSE 0xff -#define CMD_GROUP_CODE_SHIFT 0x05 +#define SRC_MODE_SHIFT 0x00 +#define SEEOP_ERAL_ADDR 0x80 +#define NVRAM_SCB_OFFSET 0x2c #define MAX_OFFSET_PACED_BUG 0x7f -#define STIMESEL_BUG_ADJ 0x08 -#define STIMESEL_MIN 0x18 -#define STIMESEL_SHIFT 0x03 #define CCSGRAM_MAXSEGS 0x10 -#define INVALID_ADDR 0x80 -#define SEEOP_ERAL_ADDR 0x80 #define AHD_SLEWRATE_DEF_REVB 0x08 #define AHD_PRECOMP_CUTBACK_17 0x04 -#define AHD_PRECOMP_MASK 0x07 -#define SRC_MODE_SHIFT 0x00 -#define PKT_OVERRUN_BUFSIZE 0x200 #define SCB_TRANSFER_SIZE_1BYTE_LUN 0x30 -#define TARGET_DATA_IN 0x01 -#define HOST_MSG 0xff +#define PKT_OVERRUN_BUFSIZE 0x200 #define MAX_OFFSET 0xfe +#define HOST_MSG 0xff #define BUS_16_BIT 0x01 -#define CCSCBADDR_MAX 0x80 -#define NUMDSPS 0x14 -#define SEEOP_EWEN_ADDR 0xc0 -#define AHD_ANNEXCOL_PER_DEV0 0x04 -#define DST_MODE_SHIFT 0x04 /* Downloaded Constant Definitions */ +#define SG_SIZEOF 0x04 +#define SG_PREFETCH_ALIGN_MASK 0x02 +#define SG_PREFETCH_CNT_LIMIT 0x01 #define CACHELINE_MASK 0x07 #define SCB_TRANSFER_SIZE 0x06 #define PKT_OVERRUN_BUFOFFSET 0x05 -#define SG_SIZEOF 0x04 #define SG_PREFETCH_ADDR_MASK 0x03 -#define SG_PREFETCH_ALIGN_MASK 0x02 -#define SG_PREFETCH_CNT_LIMIT 0x01 #define SG_PREFETCH_CNT 0x00 #define DOWNLOAD_CONST_COUNT 0x08 /* Exported Labels */ -#define LABEL_seq_isr 0x28f #define LABEL_timer_isr 0x28b +#define LABEL_seq_isr 0x28f diff --git a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped index f5ea715d6ac3..2e0c58905b9e 100644 --- a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped +++ b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped @@ -234,6 +234,23 @@ ahd_selid_print(u_int regvalue, u_int *cur_col, u_int wrap) 0x49, regvalue, cur_col, wrap)); } +static const ahd_reg_parse_entry_t SIMODE0_parse_table[] = { + { "ENARBDO", 0x01, 0x01 }, + { "ENSPIORDY", 0x02, 0x02 }, + { "ENOVERRUN", 0x04, 0x04 }, + { "ENIOERR", 0x08, 0x08 }, + { "ENSELINGO", 0x10, 0x10 }, + { "ENSELDI", 0x20, 0x20 }, + { "ENSELDO", 0x40, 0x40 } +}; + +int +ahd_simode0_print(u_int regvalue, u_int *cur_col, u_int wrap) +{ + return (ahd_print_register(SIMODE0_parse_table, 7, "SIMODE0", + 0x4b, regvalue, cur_col, wrap)); +} + static const ahd_reg_parse_entry_t SSTAT0_parse_table[] = { { "ARBDO", 0x01, 0x01 }, { "SPIORDY", 0x02, 0x02 }, @@ -252,23 +269,6 @@ ahd_sstat0_print(u_int regvalue, u_int *cur_col, u_int wrap) 0x4b, regvalue, cur_col, wrap)); } -static const ahd_reg_parse_entry_t SIMODE0_parse_table[] = { - { "ENARBDO", 0x01, 0x01 }, - { "ENSPIORDY", 0x02, 0x02 }, - { "ENOVERRUN", 0x04, 0x04 }, - { "ENIOERR", 0x08, 0x08 }, - { "ENSELINGO", 0x10, 0x10 }, - { "ENSELDI", 0x20, 0x20 }, - { "ENSELDO", 0x40, 0x40 } -}; - -int -ahd_simode0_print(u_int regvalue, u_int *cur_col, u_int wrap) -{ - return (ahd_print_register(SIMODE0_parse_table, 7, "SIMODE0", - 0x4b, regvalue, cur_col, wrap)); -} - static const ahd_reg_parse_entry_t SSTAT1_parse_table[] = { { "REQINIT", 0x01, 0x01 }, { "STRB2FAST", 0x02, 0x02 }, diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 64ab9eaec428..381846164003 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -7340,7 +7340,6 @@ ahc_dump_card_state(struct ahc_softc *ahc) printk("\n"); } - ahc_platform_dump_card_state(ahc); printk("\n<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>\n"); ahc_outb(ahc, SCBPTR, saved_scbptr); if (paused == 0) diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index fc6a83188c1e..acd687f4554e 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -2329,11 +2329,6 @@ done: return (retval); } -void -ahc_platform_dump_card_state(struct ahc_softc *ahc) -{ -} - static void ahc_linux_set_width(struct scsi_target *starget, int width) { struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 54c702864103..f8489078f003 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -688,7 +688,6 @@ void ahc_done(struct ahc_softc*, struct scb*); void ahc_send_async(struct ahc_softc *, char channel, u_int target, u_int lun, ac_code); void ahc_print_path(struct ahc_softc *, struct scb *); -void ahc_platform_dump_card_state(struct ahc_softc *ahc); #ifdef CONFIG_PCI #define AHC_PCI_CONFIG 1 diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped index e821082a4f47..473039df0ed5 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped +++ b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped @@ -244,8 +244,6 @@ ahc_reg_print_t ahc_scb_tag_print; #define SCSIDATH 0x07 -#define STCNT 0x08 - #define OPTIONMODE 0x08 #define OPTIONMODE_DEFAULTS 0x03 #define AUTORATEEN 0x80 @@ -257,6 +255,8 @@ ahc_reg_print_t ahc_scb_tag_print; #define AUTO_MSGOUT_DE 0x02 #define DIS_MSGIN_DUALEDGE 0x01 +#define STCNT 0x08 + #define TARGCRCCNT 0x0a #define CLRSINT0 0x0b @@ -365,8 +365,6 @@ ahc_reg_print_t ahc_scb_tag_print; #define ALTSTIM 0x20 #define DFLTTID 0x10 -#define TARGID 0x1b - #define SPIOCAP 0x1b #define SOFT1 0x80 #define SOFT0 0x40 @@ -377,12 +375,14 @@ ahc_reg_print_t ahc_scb_tag_print; #define ROM 0x02 #define SSPIOCPS 0x01 +#define TARGID 0x1b + #define BRDCTL 0x1d #define BRDDAT7 0x80 #define BRDDAT6 0x40 #define BRDDAT5 0x20 -#define BRDDAT4 0x10 #define BRDSTB 0x10 +#define BRDDAT4 0x10 #define BRDDAT3 0x08 #define BRDCS 0x08 #define BRDDAT2 0x04 @@ -406,8 +406,8 @@ ahc_reg_print_t ahc_scb_tag_print; #define DIAGLEDEN 0x80 #define DIAGLEDON 0x40 #define AUTOFLUSHDIS 0x20 -#define ENAB40 0x08 #define SELBUSB 0x08 +#define ENAB40 0x08 #define ENAB20 0x04 #define SELWIDE 0x02 #define XCVR 0x01 @@ -730,8 +730,8 @@ ahc_reg_print_t ahc_scb_tag_print; #define SCB_BASE 0xa0 #define SCB_CDB_PTR 0xa0 -#define SCB_RESIDUAL_DATACNT 0xa0 #define SCB_CDB_STORE 0xa0 +#define SCB_RESIDUAL_DATACNT 0xa0 #define SCB_RESIDUAL_SGPTR 0xa4 @@ -756,8 +756,8 @@ ahc_reg_print_t ahc_scb_tag_print; #define SCB_CONTROL 0xb8 #define SCB_TAG_TYPE 0x03 -#define STATUS_RCVD 0x80 #define TARGET_SCB 0x80 +#define STATUS_RCVD 0x80 #define DISCENB 0x40 #define TAG_ENB 0x20 #define MK_MESSAGE 0x10 @@ -872,40 +872,40 @@ ahc_reg_print_t ahc_scb_tag_print; #define SG_CACHE_PRE 0xfc +#define TARGET_CMD_CMPLT 0xfe #define MAX_OFFSET_ULTRA2 0x7f #define MAX_OFFSET_16BIT 0x08 #define BUS_8_BIT 0x00 -#define TARGET_CMD_CMPLT 0xfe +#define TID_SHIFT 0x04 #define STATUS_QUEUE_FULL 0x28 #define STATUS_BUSY 0x08 -#define MAX_OFFSET_8BIT 0x0f -#define BUS_32_BIT 0x02 -#define CCSGADDR_MAX 0x80 -#define TID_SHIFT 0x04 #define SCB_DOWNLOAD_SIZE_64 0x30 +#define MAX_OFFSET_8BIT 0x0f #define HOST_MAILBOX_SHIFT 0x04 -#define CMD_GROUP_CODE_SHIFT 0x05 -#define CCSGRAM_MAXSEGS 0x10 -#define SCB_LIST_NULL 0xff +#define CCSGADDR_MAX 0x80 +#define BUS_32_BIT 0x02 #define SG_SIZEOF 0x08 -#define SCB_DOWNLOAD_SIZE 0x20 #define SEQ_MAILBOX_SHIFT 0x00 +#define SCB_LIST_NULL 0xff +#define SCB_DOWNLOAD_SIZE 0x20 +#define CMD_GROUP_CODE_SHIFT 0x05 +#define CCSGRAM_MAXSEGS 0x10 #define TARGET_DATA_IN 0x01 -#define HOST_MSG 0xff +#define STACK_SIZE 0x04 +#define SCB_UPLOAD_SIZE 0x20 #define MAX_OFFSET 0x7f +#define HOST_MSG 0xff #define BUS_16_BIT 0x01 -#define SCB_UPLOAD_SIZE 0x20 -#define STACK_SIZE 0x04 /* Downloaded Constant Definitions */ #define INVERTED_CACHESIZE_MASK 0x03 -#define SG_PREFETCH_ADDR_MASK 0x06 #define SG_PREFETCH_ALIGN_MASK 0x05 +#define SG_PREFETCH_ADDR_MASK 0x06 #define QOUTFIFO_OFFSET 0x00 #define SG_PREFETCH_CNT 0x04 -#define CACHESIZE_MASK 0x02 #define QINFIFO_OFFSET 0x01 +#define CACHESIZE_MASK 0x02 #define DOWNLOAD_CONST_COUNT 0x07 diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index a14ba7a6b81e..6c838865ac5a 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -70,7 +70,7 @@ static struct scsi_host_template aic94xx_sht = { .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .eh_target_reset_handler = sas_eh_target_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .track_queue_depth = 1, @@ -956,11 +956,11 @@ static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time) return 1; } -static ssize_t asd_version_show(struct device_driver *driver, char *buf) +static ssize_t version_show(struct device_driver *driver, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION); } -static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); +static DRIVER_ATTR_RO(version); static int asd_create_driver_attrs(struct device_driver *driver) { diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c index 9c86481f779f..259d9c20bf25 100644 --- a/drivers/scsi/arcmsr/arcmsr_attr.c +++ b/drivers/scsi/arcmsr/arcmsr_attr.c @@ -190,7 +190,7 @@ static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp, return 1; } -static struct bin_attribute arcmsr_sysfs_message_read_attr = { +static const struct bin_attribute arcmsr_sysfs_message_read_attr = { .attr = { .name = "mu_read", .mode = S_IRUSR , @@ -199,7 +199,7 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = { .read = arcmsr_sysfs_iop_message_read, }; -static struct bin_attribute arcmsr_sysfs_message_write_attr = { +static const struct bin_attribute arcmsr_sysfs_message_write_attr = { .attr = { .name = "mu_write", .mode = S_IWUSR, @@ -208,7 +208,7 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = { .write = arcmsr_sysfs_iop_message_write, }; -static struct bin_attribute arcmsr_sysfs_message_clear_attr = { +static const struct bin_attribute arcmsr_sysfs_message_clear_attr = { .attr = { .name = "mu_clear", .mode = S_IWUSR, diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 12b88294d667..690816f3c6af 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2725,23 +2725,24 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt) * Params : SCpnt - command causing reset * Returns : one of SCSI_RESET_ macros */ -int acornscsi_bus_reset(struct scsi_cmnd *SCpnt) +int acornscsi_host_reset(struct Scsi_Host *shpnt) { - AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata; + AS_Host *host = (AS_Host *)shpnt->hostdata; struct scsi_cmnd *SCptr; host->stats.resets += 1; #if (DEBUG & DEBUG_RESET) { - int asr, ssr; + int asr, ssr, devidx; asr = sbic_arm_read(host, SBIC_ASR); ssr = sbic_arm_read(host, SBIC_SSR); printk(KERN_WARNING "acornscsi_reset: "); print_sbic_status(asr, ssr, host->scsi.phase); - acornscsi_dumplog(host, SCpnt->device->id); + for (devidx = 0; devidx < 9; devidx ++) { + acornscsi_dumplog(host, devidx); } #endif @@ -2884,7 +2885,7 @@ static struct scsi_host_template acornscsi_template = { .info = acornscsi_info, .queuecommand = acornscsi_queuecmd, .eh_abort_handler = acornscsi_abort, - .eh_bus_reset_handler = acornscsi_bus_reset, + .eh_host_reset_handler = acornscsi_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = SG_ALL, diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index a87b99c7fb9a..ae1d809904fb 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -216,7 +216,7 @@ static struct scsi_host_template cumanascsi_template = { .info = cumanascsi_info, .queuecommand = cumanascsi_queue_command, .eh_abort_handler = NCR5380_abort, - .eh_bus_reset_handler = NCR5380_bus_reset, + .eh_host_reset_handler = NCR5380_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = SG_ALL, diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c index 6be6666534d4..05b7f755499b 100644 --- a/drivers/scsi/arm/oak.c +++ b/drivers/scsi/arm/oak.c @@ -105,7 +105,7 @@ static struct scsi_host_template oakscsi_template = { .info = oakscsi_info, .queuecommand = oakscsi_queue_command, .eh_abort_handler = NCR5380_abort, - .eh_bus_reset_handler = NCR5380_bus_reset, + .eh_host_reset_handler = NCR5380_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = SG_ALL, diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index a75feebe6ad6..89f5154c40b6 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -671,7 +671,7 @@ static void atari_scsi_falcon_reg_write(unsigned int reg, u8 value) #include "NCR5380.c" -static int atari_scsi_bus_reset(struct scsi_cmnd *cmd) +static int atari_scsi_host_reset(struct scsi_cmnd *cmd) { int rv; unsigned long flags; @@ -688,7 +688,7 @@ static int atari_scsi_bus_reset(struct scsi_cmnd *cmd) atari_dma_orig_addr = NULL; } - rv = NCR5380_bus_reset(cmd); + rv = NCR5380_host_reset(cmd); /* The 5380 raises its IRQ line while _RST is active but the ST DMA * "lock" has been released so this interrupt may end up handled by @@ -711,7 +711,7 @@ static struct scsi_host_template atari_scsi_template = { .info = atari_scsi_info, .queuecommand = atari_scsi_queue_command, .eh_abort_handler = atari_scsi_abort, - .eh_bus_reset_handler = atari_scsi_bus_reset, + .eh_host_reset_handler = atari_scsi_host_reset, .this_id = 7, .cmd_per_lun = 2, .use_clustering = DISABLE_CLUSTERING, diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 97dca4681784..43a80ce5ce6a 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -82,8 +82,8 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep, return NULL; sess = cls_session->dd_data; beiscsi_sess = sess->dd_data; - beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool", - phba->pcidev, + beiscsi_sess->bhs_pool = dma_pool_create("beiscsi_bhs_pool", + &phba->pcidev->dev, sizeof(struct be_cmd_bhs), 64, 0); if (!beiscsi_sess->bhs_pool) @@ -108,7 +108,7 @@ void beiscsi_session_destroy(struct iscsi_cls_session *cls_session) struct beiscsi_session *beiscsi_sess = sess->dd_data; printk(KERN_INFO "In beiscsi_session_destroy\n"); - pci_pool_destroy(beiscsi_sess->bhs_pool); + dma_pool_destroy(beiscsi_sess->bhs_pool); iscsi_session_teardown(cls_session); } diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index f862332261f8..b4542e7e2ad5 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -4257,7 +4257,7 @@ static void beiscsi_cleanup_task(struct iscsi_task *task) pwrb_context = &phwi_ctrlr->wrb_context[cri_index]; if (io_task->cmd_bhs) { - pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, + dma_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, io_task->bhs_pa.u.a64.address); io_task->cmd_bhs = NULL; task->hdr = NULL; @@ -4374,7 +4374,7 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) struct beiscsi_session *beiscsi_sess = beiscsi_conn->beiscsi_sess; dma_addr_t paddr; - io_task->cmd_bhs = pci_pool_alloc(beiscsi_sess->bhs_pool, + io_task->cmd_bhs = dma_pool_alloc(beiscsi_sess->bhs_pool, GFP_ATOMIC, &paddr); if (!io_task->cmd_bhs) return -ENOMEM; @@ -4501,7 +4501,7 @@ free_hndls: if (io_task->pwrb_handle) free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle); io_task->pwrb_handle = NULL; - pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, + dma_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, io_task->bhs_pa.u.a64.address); io_task->cmd_bhs = NULL; return -ENOMEM; diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 338dbe0800c1..81ce3ffda968 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -438,7 +438,7 @@ struct beiscsi_hba { test_bit(BEISCSI_HBA_ONLINE, &phba->state)) struct beiscsi_session { - struct pci_pool *bhs_pool; + struct dma_pool *bhs_pool; }; /** diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c index 7eb0eef18fdd..24e657a4ec80 100644 --- a/drivers/scsi/bfa/bfad_im.c +++ b/drivers/scsi/bfa/bfad_im.c @@ -373,32 +373,28 @@ out: } /* - * Scsi_Host template entry, resets the bus and abort all commands. + * Scsi_Host template entry, resets the target and abort all commands. */ static int -bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd) +bfad_im_reset_target_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; + struct scsi_target *starget = scsi_target(cmnd->device); struct bfad_im_port_s *im_port = (struct bfad_im_port_s *) shost->hostdata[0]; struct bfad_s *bfad = im_port->bfad; struct bfad_itnim_s *itnim; unsigned long flags; - u32 i, rc, err_cnt = 0; + u32 rc, rtn = FAILED; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); enum bfi_tskim_status task_status; spin_lock_irqsave(&bfad->bfad_lock, flags); - for (i = 0; i < MAX_FCP_TARGET; i++) { - itnim = bfad_get_itnim(im_port, i); - if (itnim) { - cmnd->SCp.ptr = (char *)&wq; - rc = bfad_im_target_reset_send(bfad, cmnd, itnim); - if (rc != BFA_STATUS_OK) { - err_cnt++; - continue; - } - + itnim = bfad_get_itnim(im_port, starget->id); + if (itnim) { + cmnd->SCp.ptr = (char *)&wq; + rc = bfad_im_target_reset_send(bfad, cmnd, itnim); + if (rc == BFA_STATUS_OK) { /* wait target reset to complete */ spin_unlock_irqrestore(&bfad->bfad_lock, flags); wait_event(wq, test_bit(IO_DONE_BIT, @@ -406,20 +402,17 @@ bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd) spin_lock_irqsave(&bfad->bfad_lock, flags); task_status = cmnd->SCp.Status >> 1; - if (task_status != BFI_TSKIM_STS_OK) { + if (task_status != BFI_TSKIM_STS_OK) BFA_LOG(KERN_ERR, bfad, bfa_log_level, "target reset failure," " status: %d\n", task_status); - err_cnt++; - } + else + rtn = SUCCESS; } } spin_unlock_irqrestore(&bfad->bfad_lock, flags); - if (err_cnt) - return FAILED; - - return SUCCESS; + return rtn; } /* @@ -816,7 +809,7 @@ struct scsi_host_template bfad_im_scsi_host_template = { .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = bfad_im_abort_handler, .eh_device_reset_handler = bfad_im_reset_lun_handler, - .eh_bus_reset_handler = bfad_im_reset_bus_handler, + .eh_target_reset_handler = bfad_im_reset_target_handler, .slave_alloc = bfad_im_slave_alloc, .slave_configure = bfad_im_slave_configure, @@ -839,7 +832,7 @@ struct scsi_host_template bfad_im_vport_template = { .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = bfad_im_abort_handler, .eh_device_reset_handler = bfad_im_reset_lun_handler, - .eh_bus_reset_handler = bfad_im_reset_bus_handler, + .eh_target_reset_handler = bfad_im_reset_target_handler, .slave_alloc = bfad_im_slave_alloc, .slave_configure = bfad_im_slave_configure, diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 7e007e142aab..901a31632493 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -539,7 +539,6 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid); void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt); int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd); -int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd); int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd); int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd); void bnx2fc_rport_event_handler(struct fc_lport *lport, diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index dad959fcf6d8..c535c52e72e5 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -105,6 +105,7 @@ do { \ static struct class * ch_sysfs_class; typedef struct { + struct kref ref; struct list_head list; int minor; char name[8]; @@ -563,13 +564,23 @@ static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest) /* ------------------------------------------------------------------------ */ +static void ch_destroy(struct kref *ref) +{ + scsi_changer *ch = container_of(ref, scsi_changer, ref); + + kfree(ch->dt); + kfree(ch); +} + static int ch_release(struct inode *inode, struct file *file) { scsi_changer *ch = file->private_data; scsi_device_put(ch->device); + ch->device = NULL; file->private_data = NULL; + kref_put(&ch->ref, ch_destroy); return 0; } @@ -588,6 +599,7 @@ ch_open(struct inode *inode, struct file *file) mutex_unlock(&ch_mutex); return -ENXIO; } + kref_get(&ch->ref); spin_unlock(&ch_index_lock); file->private_data = ch; @@ -935,8 +947,11 @@ static int ch_probe(struct device *dev) } mutex_init(&ch->lock); + kref_init(&ch->ref); ch->device = sd; - ch_readconfig(ch); + ret = ch_readconfig(ch); + if (ret) + goto destroy_dev; if (init) ch_init_elem(ch); @@ -944,6 +959,8 @@ static int ch_probe(struct device *dev) sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name); return 0; +destroy_dev: + device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR, ch->minor)); remove_idr: idr_remove(&ch_index_idr, ch->minor); free_ch: @@ -960,8 +977,7 @@ static int ch_remove(struct device *dev) spin_unlock(&ch_index_lock); device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR,ch->minor)); - kfree(ch->dt); - kfree(ch); + kref_put(&ch->ref, ch_destroy); return 0; } diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h index 9acb89538e29..667046419b19 100644 --- a/drivers/scsi/csiostor/csio_hw.h +++ b/drivers/scsi/csiostor/csio_hw.h @@ -465,7 +465,7 @@ struct csio_hw { struct csio_pport pport[CSIO_MAX_PPORTS]; /* Ports (XGMACs) */ struct csio_hw_params params; /* Hw parameters */ - struct pci_pool *scsi_pci_pool; /* PCI pool for SCSI */ + struct dma_pool *scsi_dma_pool; /* DMA pool for SCSI */ mempool_t *mb_mempool; /* Mailbox memory pool*/ mempool_t *rnode_mempool; /* rnode memory pool */ diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index dcd074169aa9..28a9c7d706cb 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -485,9 +485,10 @@ csio_resource_alloc(struct csio_hw *hw) if (!hw->rnode_mempool) goto err_free_mb_mempool; - hw->scsi_pci_pool = pci_pool_create("csio_scsi_pci_pool", hw->pdev, - CSIO_SCSI_RSP_LEN, 8, 0); - if (!hw->scsi_pci_pool) + hw->scsi_dma_pool = dma_pool_create("csio_scsi_dma_pool", + &hw->pdev->dev, CSIO_SCSI_RSP_LEN, + 8, 0); + if (!hw->scsi_dma_pool) goto err_free_rn_pool; return 0; @@ -505,8 +506,8 @@ err: static void csio_resource_free(struct csio_hw *hw) { - pci_pool_destroy(hw->scsi_pci_pool); - hw->scsi_pci_pool = NULL; + dma_pool_destroy(hw->scsi_dma_pool); + hw->scsi_dma_pool = NULL; mempool_destroy(hw->rnode_mempool); hw->rnode_mempool = NULL; mempool_destroy(hw->mb_mempool); diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c index a1ff75f1384f..dab0d3f9bee1 100644 --- a/drivers/scsi/csiostor/csio_scsi.c +++ b/drivers/scsi/csiostor/csio_scsi.c @@ -2445,7 +2445,7 @@ csio_scsim_init(struct csio_scsim *scm, struct csio_hw *hw) /* Allocate Dma buffers for Response Payload */ dma_buf = &ioreq->dma_buf; - dma_buf->vaddr = pci_pool_alloc(hw->scsi_pci_pool, GFP_KERNEL, + dma_buf->vaddr = dma_pool_alloc(hw->scsi_dma_pool, GFP_KERNEL, &dma_buf->paddr); if (!dma_buf->vaddr) { csio_err(hw, @@ -2485,7 +2485,7 @@ free_ioreq: ioreq = (struct csio_ioreq *)tmp; dma_buf = &ioreq->dma_buf; - pci_pool_free(hw->scsi_pci_pool, dma_buf->vaddr, + dma_pool_free(hw->scsi_dma_pool, dma_buf->vaddr, dma_buf->paddr); kfree(ioreq); @@ -2516,7 +2516,7 @@ csio_scsim_exit(struct csio_scsim *scm) ioreq = (struct csio_ioreq *)tmp; dma_buf = &ioreq->dma_buf; - pci_pool_free(scm->hw->scsi_pci_pool, dma_buf->vaddr, + dma_pool_free(scm->hw->scsi_dma_pool, dma_buf->vaddr, dma_buf->paddr); kfree(ioreq); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 1a4cfa562a60..512c8f1ea5b0 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -585,19 +585,21 @@ static struct cxgbi_sock *cxgbi_sock_create(struct cxgbi_device *cdev) static struct rtable *find_route_ipv4(struct flowi4 *fl4, __be32 saddr, __be32 daddr, - __be16 sport, __be16 dport, u8 tos) + __be16 sport, __be16 dport, u8 tos, + int ifindex) { struct rtable *rt; rt = ip_route_output_ports(&init_net, fl4, NULL, daddr, saddr, - dport, sport, IPPROTO_TCP, tos, 0); + dport, sport, IPPROTO_TCP, tos, ifindex); if (IS_ERR(rt)) return NULL; return rt; } -static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr) +static struct cxgbi_sock * +cxgbi_check_route(struct sockaddr *dst_addr, int ifindex) { struct sockaddr_in *daddr = (struct sockaddr_in *)dst_addr; struct dst_entry *dst; @@ -611,7 +613,8 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr) int port = 0xFFFF; int err = 0; - rt = find_route_ipv4(&fl4, 0, daddr->sin_addr.s_addr, 0, daddr->sin_port, 0); + rt = find_route_ipv4(&fl4, 0, daddr->sin_addr.s_addr, 0, + daddr->sin_port, 0, ifindex); if (!rt) { pr_info("no route to ipv4 0x%x, port %u.\n", be32_to_cpu(daddr->sin_addr.s_addr), @@ -693,11 +696,13 @@ err_out: #if IS_ENABLED(CONFIG_IPV6) static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr, - const struct in6_addr *daddr) + const struct in6_addr *daddr, + int ifindex) { struct flowi6 fl; memset(&fl, 0, sizeof(fl)); + fl.flowi6_oif = ifindex; if (saddr) memcpy(&fl.saddr, saddr, sizeof(struct in6_addr)); if (daddr) @@ -705,7 +710,8 @@ static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr, return (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl); } -static struct cxgbi_sock *cxgbi_check_route6(struct sockaddr *dst_addr) +static struct cxgbi_sock * +cxgbi_check_route6(struct sockaddr *dst_addr, int ifindex) { struct sockaddr_in6 *daddr6 = (struct sockaddr_in6 *)dst_addr; struct dst_entry *dst; @@ -719,7 +725,7 @@ static struct cxgbi_sock *cxgbi_check_route6(struct sockaddr *dst_addr) int port = 0xFFFF; int err = 0; - rt = find_route_ipv6(NULL, &daddr6->sin6_addr); + rt = find_route_ipv6(NULL, &daddr6->sin6_addr, ifindex); if (!rt) { pr_info("no route to ipv6 %pI6 port %u\n", @@ -2536,6 +2542,7 @@ struct iscsi_endpoint *cxgbi_ep_connect(struct Scsi_Host *shost, struct cxgbi_endpoint *cep; struct cxgbi_hba *hba = NULL; struct cxgbi_sock *csk; + int ifindex = 0; int err = -EINVAL; log_debug(1 << CXGBI_DBG_ISCSI | 1 << CXGBI_DBG_SOCK, @@ -2548,13 +2555,15 @@ struct iscsi_endpoint *cxgbi_ep_connect(struct Scsi_Host *shost, pr_info("shost 0x%p, priv NULL.\n", shost); goto err_out; } + + ifindex = hba->ndev->ifindex; } if (dst_addr->sa_family == AF_INET) { - csk = cxgbi_check_route(dst_addr); + csk = cxgbi_check_route(dst_addr, ifindex); #if IS_ENABLED(CONFIG_IPV6) } else if (dst_addr->sa_family == AF_INET6) { - csk = cxgbi_check_route6(dst_addr); + csk = cxgbi_check_route6(dst_addr, ifindex); #endif } else { pr_info("address family 0x%x NOT supported.\n", diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 6a4367cc9caa..76b8b7eed0c0 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -820,8 +820,7 @@ static void term_afu(struct cxlflash_cfg *cfg) for (k = cfg->afu->num_hwqs - 1; k >= 0; k--) term_intr(cfg, UNMAP_THREE, k); - if (cfg->afu) - stop_afu(cfg); + stop_afu(cfg); for (k = cfg->afu->num_hwqs - 1; k >= 0; k--) term_mc(cfg, k); diff --git a/drivers/scsi/cxlflash/superpipe.c b/drivers/scsi/cxlflash/superpipe.c index ad0f9968ccfb..ed46e8df2e42 100644 --- a/drivers/scsi/cxlflash/superpipe.c +++ b/drivers/scsi/cxlflash/superpipe.c @@ -1390,6 +1390,7 @@ static int cxlflash_disk_attach(struct scsi_device *sdev, if (unlikely(!ctxi)) { dev_err(dev, "%s: Failed to create context ctxid=%d\n", __func__, ctxid); + rc = -ENOMEM; goto err; } @@ -1650,6 +1651,7 @@ static int cxlflash_afu_recover(struct scsi_device *sdev, u64 ctxid = DECODE_CTXID(recover->context_id), rctxid = recover->context_id; long reg; + bool locked = true; int lretry = 20; /* up to 2 seconds */ int new_adap_fd = -1; int rc = 0; @@ -1658,8 +1660,11 @@ static int cxlflash_afu_recover(struct scsi_device *sdev, up_read(&cfg->ioctl_rwsem); rc = mutex_lock_interruptible(mutex); down_read(&cfg->ioctl_rwsem); - if (rc) + if (rc) { + locked = false; goto out; + } + rc = check_state(cfg); if (rc) { dev_err(dev, "%s: Failed state rc=%d\n", __func__, rc); @@ -1693,8 +1698,10 @@ retry_recover: mutex_unlock(mutex); msleep(100); rc = mutex_lock_interruptible(mutex); - if (rc) + if (rc) { + locked = false; goto out; + } goto retry_recover; } @@ -1738,7 +1745,8 @@ retry_recover: out: if (likely(ctxi)) put_context(ctxi); - mutex_unlock(mutex); + if (locked) + mutex_unlock(mutex); atomic_dec_if_positive(&cfg->recovery_threads); return rc; } diff --git a/drivers/scsi/cxlflash/vlun.c b/drivers/scsi/cxlflash/vlun.c index bdfb93061460..703bf1e9a64a 100644 --- a/drivers/scsi/cxlflash/vlun.c +++ b/drivers/scsi/cxlflash/vlun.c @@ -694,11 +694,7 @@ static int shrink_lxt(struct afu *afu, /* Free LBAs allocated to freed chunks */ mutex_lock(&blka->mutex); for (i = delta - 1; i >= 0; i--) { - /* Mask the higher 48 bits before shifting, even though - * it is a noop - */ - aun = (lxt_old[my_new_size + i].rlba_base & SISL_ASTATUS_MASK); - aun = (aun >> MC_CHUNK_SHIFT); + aun = lxt_old[my_new_size + i].rlba_base >> MC_CHUNK_SHIFT; if (needs_ws) write_same16(sdev, aun, MC_CHUNK_SIZE); ba_free(&blka->ba_lun, aun); diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c index 6af3394d051d..003c3d726238 100644 --- a/drivers/scsi/dmx3191d.c +++ b/drivers/scsi/dmx3191d.c @@ -58,7 +58,7 @@ static struct scsi_host_template dmx3191d_driver_template = { .info = NCR5380_info, .queuecommand = NCR5380_queue_command, .eh_abort_handler = NCR5380_abort, - .eh_bus_reset_handler = NCR5380_bus_reset, + .eh_host_reset_handler = NCR5380_host_reset, .can_queue = 32, .this_id = 7, .sg_tablesize = SG_ALL, diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 256dd6791fcc..fd172b0890d3 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -1169,11 +1169,6 @@ static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u6 if(chan < 0 || chan >= MAX_CHANNEL) return NULL; - if( pHba->channel[chan].device == NULL){ - printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n"); - return NULL; - } - d = pHba->channel[chan].device[id]; if(!d || d->tid == 0) { return NULL; diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c index 227dd2c2ec2f..6501c330d8c8 100644 --- a/drivers/scsi/eata.c +++ b/drivers/scsi/eata.c @@ -1899,7 +1899,6 @@ static int eata2x_eh_abort(struct scsi_cmnd *SCarg) static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) { unsigned int i, time, k, c, limit = 0; - int arg_done = 0; struct scsi_cmnd *SCpnt; struct Scsi_Host *shost = SCarg->device->host; struct hostdata *ha = (struct hostdata *)shost->hostdata; @@ -1967,9 +1966,6 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) if (SCpnt->scsi_done == NULL) panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n", ha->board_name, i); - - if (SCpnt == SCarg) - arg_done = 1; } if (do_dma(shost->io_port, 0, RESET_PIO)) { @@ -2037,10 +2033,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) ha->in_reset = 0; do_trace = 0; - if (arg_done) - printk("%s: reset, exit, done.\n", ha->board_name); - else - printk("%s: reset, exit.\n", ha->board_name); + printk("%s: reset, exit.\n", ha->board_name); spin_unlock_irq(shost->host_lock); return SUCCESS; diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c index f2e9d8aa979c..81f226be3e3b 100644 --- a/drivers/scsi/esas2r/esas2r_main.c +++ b/drivers/scsi/esas2r/esas2r_main.c @@ -309,7 +309,7 @@ MODULE_PARM_DESC(interrupt_mode, "Defines the interrupt mode to use. 0 for legacy" ", 1 for MSI. Default is MSI (1)."); -static struct pci_device_id +static const struct pci_device_id esas2r_pci_table[] = { { ATTO_VENDOR_ID, 0x0049, ATTO_VENDOR_ID, 0x0049, 0, diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 71cb05b1c3eb..c3fc34b9964d 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -597,14 +597,12 @@ static int esp_alloc_lun_tag(struct esp_cmd_entry *ent, lp->non_tagged_cmd = ent; return 0; - } else { - /* Tagged command, see if blocked by a - * non-tagged one. - */ - if (lp->non_tagged_cmd || lp->hold) - return -EBUSY; } + /* Tagged command. Check that it isn't blocked by a non-tagged one. */ + if (lp->non_tagged_cmd || lp->hold) + return -EBUSY; + BUG_ON(lp->tagged_cmds[ent->orig_tag[1]]); lp->tagged_cmds[ent->orig_tag[1]] = ent; @@ -1210,12 +1208,6 @@ static int esp_reconnect(struct esp *esp) esp->active_cmd = ent; - if (ent->flags & ESP_CMD_FLAG_ABORT) { - esp->msg_out[0] = ABORT_TASK_SET; - esp->msg_out_len = 1; - scsi_esp_cmd(esp, ESP_CMD_SATN); - } - esp_event(esp, ESP_EVENT_CHECK_PHASE); esp_restore_pointers(esp, ent); esp->flags |= ESP_FLAG_QUICKIRQ_CHECK; @@ -1230,9 +1222,6 @@ static int esp_finish_select(struct esp *esp) { struct esp_cmd_entry *ent; struct scsi_cmnd *cmd; - u8 orig_select_state; - - orig_select_state = esp->select_state; /* No longer selecting. */ esp->select_state = ESP_SELECT_NONE; @@ -1496,9 +1485,8 @@ static void esp_msgin_reject(struct esp *esp) return; } - esp->msg_out[0] = ABORT_TASK_SET; - esp->msg_out_len = 1; - scsi_esp_cmd(esp, ESP_CMD_SATN); + shost_printk(KERN_INFO, esp->host, "Unexpected MESSAGE REJECT\n"); + esp_schedule_reset(esp); } static void esp_msgin_sdtr(struct esp *esp, struct esp_target_data *tp) @@ -1621,7 +1609,7 @@ static void esp_msgin_extended(struct esp *esp) shost_printk(KERN_INFO, esp->host, "Unexpected extended msg type %x\n", esp->msg_in[2]); - esp->msg_out[0] = ABORT_TASK_SET; + esp->msg_out[0] = MESSAGE_REJECT; esp->msg_out_len = 1; scsi_esp_cmd(esp, ESP_CMD_SATN); } @@ -1745,7 +1733,6 @@ again: return 0; } goto again; - break; case ESP_EVENT_DATA_IN: write = 1; @@ -1956,12 +1943,16 @@ again: } else { if (esp->msg_out_len > 1) esp->ops->dma_invalidate(esp); - } - if (!(esp->ireg & ESP_INTR_DC)) { - if (esp->rev != FASHME) + /* XXX if the chip went into disconnected mode, + * we can't run the phase state machine anyway. + */ + if (!(esp->ireg & ESP_INTR_DC)) scsi_esp_cmd(esp, ESP_CMD_NULL); } + + esp->msg_out_len = 0; + esp_event(esp, ESP_EVENT_CHECK_PHASE); goto again; case ESP_EVENT_MSGIN: @@ -1998,6 +1989,10 @@ again: scsi_esp_cmd(esp, ESP_CMD_MOK); + /* Check whether a bus reset is to be done next */ + if (esp->event == ESP_EVENT_RESET) + return 0; + if (esp->event != ESP_EVENT_FREE_BUS) esp_event(esp, ESP_EVENT_CHECK_PHASE); } else { @@ -2022,7 +2017,6 @@ again: } esp_schedule_reset(esp); return 0; - break; case ESP_EVENT_RESET: scsi_esp_cmd(esp, ESP_CMD_RS); @@ -2033,7 +2027,6 @@ again: "Unexpected event %x, resetting\n", esp->event); esp_schedule_reset(esp); return 0; - break; } return 1; } @@ -2170,14 +2163,14 @@ static void __esp_interrupt(struct esp *esp) esp_schedule_reset(esp); } else { - if (!(esp->ireg & ESP_INTR_RSEL)) { - /* Some combination of FDONE, BSERV, DC. */ - if (esp->select_state != ESP_SELECT_NONE) - intr_done = esp_finish_select(esp); - } else if (esp->ireg & ESP_INTR_RSEL) { + if (esp->ireg & ESP_INTR_RSEL) { if (esp->active_cmd) (void) esp_finish_select(esp); intr_done = esp_reconnect(esp); + } else { + /* Some combination of FDONE, BSERV, DC. */ + if (esp->select_state != ESP_SELECT_NONE) + intr_done = esp_finish_select(esp); } } while (!intr_done) diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h index 84dcbe4a6268..7e8932ae91f8 100644 --- a/drivers/scsi/esp_scsi.h +++ b/drivers/scsi/esp_scsi.h @@ -281,7 +281,6 @@ struct esp_cmd_entry { u8 flags; #define ESP_CMD_FLAG_WRITE 0x01 /* DMA is a write */ -#define ESP_CMD_FLAG_ABORT 0x02 /* being aborted */ #define ESP_CMD_FLAG_AUTOSENSE 0x04 /* Doing automatic REQUEST_SENSE */ #define ESP_CMD_FLAG_RESIDUAL 0x08 /* AM53c974 BLAST residual */ diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c index 9cf3d56296ab..5c8310bade61 100644 --- a/drivers/scsi/fcoe/fcoe_sysfs.c +++ b/drivers/scsi/fcoe/fcoe_sysfs.c @@ -659,13 +659,13 @@ static void fcoe_fcf_device_release(struct device *dev) kfree(fcf); } -static struct device_type fcoe_ctlr_device_type = { +static const struct device_type fcoe_ctlr_device_type = { .name = "fcoe_ctlr", .groups = fcoe_ctlr_attr_groups, .release = fcoe_ctlr_device_release, }; -static struct device_type fcoe_fcf_device_type = { +static const struct device_type fcoe_fcf_device_type = { .name = "fcoe_fcf", .groups = fcoe_fcf_attr_groups, .release = fcoe_fcf_device_release, diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index b87ab38a4530..ebbe5a3e665d 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -933,7 +933,7 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ) } } - fdomain_16x0_bus_reset(NULL); + fdomain_16x0_host_reset(NULL); if (fdomain_test_loopback()) { printk(KERN_ERR "scsi: <fdomain> Detection failed (loopback test failed at port base 0x%x)\n", port_base); @@ -1568,7 +1568,7 @@ static int fdomain_16x0_abort(struct scsi_cmnd *SCpnt) return SUCCESS; } -int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt) +int fdomain_16x0_host_reset(struct scsi_cmnd *SCpnt) { unsigned long flags; @@ -1758,7 +1758,7 @@ struct scsi_host_template fdomain_driver_template = { .info = fdomain_16x0_info, .queuecommand = fdomain_16x0_queue, .eh_abort_handler = fdomain_16x0_abort, - .eh_bus_reset_handler = fdomain_16x0_bus_reset, + .eh_host_reset_handler = fdomain_16x0_host_reset, .bios_param = fdomain_16x0_biosparam, .release = fdomain_16x0_release, .can_queue = 1, diff --git a/drivers/scsi/fdomain.h b/drivers/scsi/fdomain.h index 47021d9d4fe4..5cbe86b573ae 100644 --- a/drivers/scsi/fdomain.h +++ b/drivers/scsi/fdomain.h @@ -21,4 +21,4 @@ extern struct scsi_host_template fdomain_driver_template; extern int fdomain_setup(char *str); extern struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ); -extern int fdomain_16x0_bus_reset(struct scsi_cmnd *SCpnt); +extern int fdomain_16x0_host_reset(struct scsi_cmnd *SCpnt); diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index 67aab965c0f4..d094ba59ed15 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -180,7 +180,7 @@ enum fnic_msix_intr_index { struct fnic_msix_entry { int requested; - char devname[IFNAMSIZ]; + char devname[IFNAMSIZ + 11]; irqreturn_t (*isr)(int, void *); void *devid; }; diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 6c0646d62dfb..242e2ee494a1 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -1990,10 +1990,6 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Issuing Host reset due to out of order IO\n"); - if (fnic_host_reset(sc) == FAILED) { - FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, - "fnic_host_reset failed.\n"); - } ret = FAILED; goto fnic_abort_cmd_end; } diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index c34fc91ba486..fc538181f8df 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -1,17 +1,17 @@ /* * Generic Generic NCR5380 driver - * + * * Copyright 1993, Drew Eckhardt - * Visionary Computing - * (Unix and Linux consulting and custom programming) - * drew@colorado.edu - * +1 (303) 440-4894 + * Visionary Computing + * (Unix and Linux consulting and custom programming) + * drew@colorado.edu + * +1 (303) 440-4894 * * NCR53C400 extensions (c) 1994,1995,1996, Kevin Lentin - * K.Lentin@cs.monash.edu.au + * K.Lentin@cs.monash.edu.au * * NCR53C400A extensions (c) 1996, Ingmar Baumgart - * ingmar@gonzo.schwaben.de + * ingmar@gonzo.schwaben.de * * DTC3181E extensions (c) 1997, Ronald van Cuijlenborg * ronald.van.cuijlenborg@tip.nl or nutty@dds.nl @@ -44,17 +44,19 @@ int c400_ctl_status; \ int c400_blk_cnt; \ int c400_host_buf; \ - int io_width + int io_width; \ + int pdma_residual; \ + int board #define NCR5380_dma_xfer_len generic_NCR5380_dma_xfer_len -#define NCR5380_dma_recv_setup generic_NCR5380_pread -#define NCR5380_dma_send_setup generic_NCR5380_pwrite -#define NCR5380_dma_residual NCR5380_dma_residual_none +#define NCR5380_dma_recv_setup generic_NCR5380_precv +#define NCR5380_dma_send_setup generic_NCR5380_psend +#define NCR5380_dma_residual generic_NCR5380_dma_residual #define NCR5380_intr generic_NCR5380_intr #define NCR5380_queue_command generic_NCR5380_queue_command #define NCR5380_abort generic_NCR5380_abort -#define NCR5380_bus_reset generic_NCR5380_bus_reset +#define NCR5380_host_reset generic_NCR5380_host_reset #define NCR5380_info generic_NCR5380_info #define NCR5380_io_delay(x) udelay(x) @@ -76,6 +78,7 @@ #define IRQ_AUTO 254 #define MAX_CARDS 8 +#define DMA_MAX_SIZE 32768 /* old-style parameters for compatibility */ static int ncr_irq = -1; @@ -314,6 +317,7 @@ static int generic_NCR5380_init_one(struct scsi_host_template *tpnt, } hostdata = shost_priv(instance); + hostdata->board = board; hostdata->io = iomem; hostdata->region_size = region_size; @@ -478,180 +482,210 @@ static void generic_NCR5380_release_resources(struct Scsi_Host *instance) release_mem_region(base, region_size); } +/* wait_for_53c80_access - wait for 53C80 registers to become accessible + * @hostdata: scsi host private data + * + * The registers within the 53C80 logic block are inaccessible until + * bit 7 in the 53C400 control status register gets asserted. + */ + +static void wait_for_53c80_access(struct NCR5380_hostdata *hostdata) +{ + int count = 10000; + + do { + if (hostdata->board == BOARD_DTC3181E) + udelay(4); /* DTC436 chip hangs without this */ + if (NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG) + return; + } while (--count > 0); + + scmd_printk(KERN_ERR, hostdata->connected, + "53c80 registers not accessible, device will be reset\n"); + NCR5380_write(hostdata->c400_ctl_status, CSR_RESET); + NCR5380_write(hostdata->c400_ctl_status, CSR_BASE); +} + /** - * generic_NCR5380_pread - pseudo DMA read - * @hostdata: scsi host private data - * @dst: buffer to read into - * @len: buffer length + * generic_NCR5380_precv - pseudo DMA receive + * @hostdata: scsi host private data + * @dst: buffer to write into + * @len: transfer size * - * Perform a pseudo DMA mode read from an NCR53C400 or equivalent - * controller + * Perform a pseudo DMA mode receive from a 53C400 or equivalent device. */ - -static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata, + +static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata, unsigned char *dst, int len) { - int blocks = len / 128; + int residual; int start = 0; NCR5380_write(hostdata->c400_ctl_status, CSR_BASE | CSR_TRANS_DIR); - NCR5380_write(hostdata->c400_blk_cnt, blocks); - while (1) { - if (NCR5380_read(hostdata->c400_blk_cnt) == 0) - break; - if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) { - printk(KERN_ERR "53C400r: Got 53C80_IRQ start=%d, blocks=%d\n", start, blocks); - return -1; + NCR5380_write(hostdata->c400_blk_cnt, len / 128); + + do { + if (start == len - 128) { + /* Ignore End of DMA interrupt for the final buffer */ + if (NCR5380_poll_politely(hostdata, hostdata->c400_ctl_status, + CSR_HOST_BUF_NOT_RDY, 0, HZ / 64) < 0) + break; + } else { + if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status, + CSR_HOST_BUF_NOT_RDY, 0, + hostdata->c400_ctl_status, + CSR_GATED_53C80_IRQ, + CSR_GATED_53C80_IRQ, HZ / 64) < 0 || + NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) + break; } - while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) - ; /* FIXME - no timeout */ if (hostdata->io_port && hostdata->io_width == 2) insw(hostdata->io_port + hostdata->c400_host_buf, - dst + start, 64); + dst + start, 64); else if (hostdata->io_port) insb(hostdata->io_port + hostdata->c400_host_buf, - dst + start, 128); + dst + start, 128); else memcpy_fromio(dst + start, hostdata->io + NCR53C400_host_buffer, 128); - start += 128; - blocks--; - } + } while (start < len); - if (blocks) { - while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) - ; /* FIXME - no timeout */ + residual = len - start; - if (hostdata->io_port && hostdata->io_width == 2) - insw(hostdata->io_port + hostdata->c400_host_buf, - dst + start, 64); - else if (hostdata->io_port) - insb(hostdata->io_port + hostdata->c400_host_buf, - dst + start, 128); - else - memcpy_fromio(dst + start, - hostdata->io + NCR53C400_host_buffer, 128); - - start += 128; - blocks--; + if (residual != 0) { + /* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */ + NCR5380_write(hostdata->c400_ctl_status, CSR_RESET); + NCR5380_write(hostdata->c400_ctl_status, CSR_BASE); } + wait_for_53c80_access(hostdata); - if (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ)) - printk("53C400r: no 53C80 gated irq after transfer"); + if (residual == 0 && NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, + BASR_END_DMA_TRANSFER, + BASR_END_DMA_TRANSFER, + HZ / 64) < 0) + scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n", + __func__); - /* wait for 53C80 registers to be available */ - while (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG)) - ; + hostdata->pdma_residual = residual; - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_END_DMA_TRANSFER)) - printk(KERN_ERR "53C400r: no end dma signal\n"); - return 0; } /** - * generic_NCR5380_pwrite - pseudo DMA write - * @hostdata: scsi host private data - * @dst: buffer to read into - * @len: buffer length + * generic_NCR5380_psend - pseudo DMA send + * @hostdata: scsi host private data + * @src: buffer to read from + * @len: transfer size * - * Perform a pseudo DMA mode read from an NCR53C400 or equivalent - * controller + * Perform a pseudo DMA mode send to a 53C400 or equivalent device. */ -static inline int generic_NCR5380_pwrite(struct NCR5380_hostdata *hostdata, - unsigned char *src, int len) +static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata, + unsigned char *src, int len) { - int blocks = len / 128; + int residual; int start = 0; NCR5380_write(hostdata->c400_ctl_status, CSR_BASE); - NCR5380_write(hostdata->c400_blk_cnt, blocks); - while (1) { - if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) { - printk(KERN_ERR "53C400w: Got 53C80_IRQ start=%d, blocks=%d\n", start, blocks); - return -1; + NCR5380_write(hostdata->c400_blk_cnt, len / 128); + + do { + if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status, + CSR_HOST_BUF_NOT_RDY, 0, + hostdata->c400_ctl_status, + CSR_GATED_53C80_IRQ, + CSR_GATED_53C80_IRQ, HZ / 64) < 0 || + NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) { + /* Both 128 B buffers are in use */ + if (start >= 128) + start -= 128; + if (start >= 128) + start -= 128; + break; } - if (NCR5380_read(hostdata->c400_blk_cnt) == 0) + if (start >= len && NCR5380_read(hostdata->c400_blk_cnt) == 0) break; - while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) - ; // FIXME - timeout - if (hostdata->io_port && hostdata->io_width == 2) - outsw(hostdata->io_port + hostdata->c400_host_buf, - src + start, 64); - else if (hostdata->io_port) - outsb(hostdata->io_port + hostdata->c400_host_buf, - src + start, 128); - else - memcpy_toio(hostdata->io + NCR53C400_host_buffer, - src + start, 128); + if (NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ) { + /* Host buffer is empty, other one is in use */ + if (start >= 128) + start -= 128; + break; + } - start += 128; - blocks--; - } - if (blocks) { - while (NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) - ; // FIXME - no timeout + if (start >= len) + continue; if (hostdata->io_port && hostdata->io_width == 2) outsw(hostdata->io_port + hostdata->c400_host_buf, - src + start, 64); + src + start, 64); else if (hostdata->io_port) outsb(hostdata->io_port + hostdata->c400_host_buf, - src + start, 128); + src + start, 128); else memcpy_toio(hostdata->io + NCR53C400_host_buffer, src + start, 128); - start += 128; - blocks--; - } + } while (1); - /* wait for 53C80 registers to be available */ - while (!(NCR5380_read(hostdata->c400_ctl_status) & CSR_53C80_REG)) { - udelay(4); /* DTC436 chip hangs without this */ - /* FIXME - no timeout */ - } + residual = len - start; - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_END_DMA_TRANSFER)) { - printk(KERN_ERR "53C400w: no end dma signal\n"); + if (residual != 0) { + /* 53c80 interrupt or transfer timeout. Reset 53c400 logic. */ + NCR5380_write(hostdata->c400_ctl_status, CSR_RESET); + NCR5380_write(hostdata->c400_ctl_status, CSR_BASE); } + wait_for_53c80_access(hostdata); + + if (residual == 0) { + if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG, + TCR_LAST_BYTE_SENT, TCR_LAST_BYTE_SENT, + HZ / 64) < 0) + scmd_printk(KERN_ERR, hostdata->connected, + "%s: Last Byte Sent timeout\n", __func__); + + if (NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG, + BASR_END_DMA_TRANSFER, BASR_END_DMA_TRANSFER, + HZ / 64) < 0) + scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n", + __func__); + } + + hostdata->pdma_residual = residual; - while (!(NCR5380_read(TARGET_COMMAND_REG) & TCR_LAST_BYTE_SENT)) - ; // TIMEOUT return 0; } static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int transfersize = cmd->transfersize; + int transfersize = cmd->SCp.this_residual; if (hostdata->flags & FLAG_NO_PSEUDO_DMA) return 0; - /* Limit transfers to 32K, for xx400 & xx406 - * pseudoDMA that transfers in 128 bytes blocks. - */ - if (transfersize > 32 * 1024 && cmd->SCp.this_residual && - !(cmd->SCp.this_residual % transfersize)) - transfersize = 32 * 1024; - /* 53C400 datasheet: non-modulo-128-byte transfers should use PIO */ if (transfersize % 128) - transfersize = 0; + return 0; + + /* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */ + if (hostdata->board == BOARD_DTC3181E && + cmd->sc_data_direction == DMA_TO_DEVICE) + transfersize = min(cmd->SCp.this_residual, 512); - return transfersize; + return min(transfersize, DMA_MAX_SIZE); } -/* - * Include the NCR5380 core code that we build our driver around - */ - +static int generic_NCR5380_dma_residual(struct NCR5380_hostdata *hostdata) +{ + return hostdata->pdma_residual; +} + +/* Include the core driver code. */ + #include "NCR5380.c" static struct scsi_host_template driver_template = { @@ -661,7 +695,7 @@ static struct scsi_host_template driver_template = { .info = generic_NCR5380_info, .queuecommand = generic_NCR5380_queue_command, .eh_abort_handler = generic_NCR5380_abort, - .eh_bus_reset_handler = generic_NCR5380_bus_reset, + .eh_host_reset_handler = generic_NCR5380_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = SG_ALL, @@ -671,11 +705,10 @@ static struct scsi_host_template driver_template = { .max_sectors = 128, }; - static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev) { int ret = generic_NCR5380_init_one(&driver_template, pdev, base[ndev], - irq[ndev], card[ndev]); + irq[ndev], card[ndev]); if (ret) { if (base[ndev]) printk(KERN_WARNING "Card not found at address 0x%03x\n", @@ -687,7 +720,7 @@ static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev) } static int generic_NCR5380_isa_remove(struct device *pdev, - unsigned int ndev) + unsigned int ndev) { generic_NCR5380_release_resources(dev_get_drvdata(pdev)); dev_set_drvdata(pdev, NULL); @@ -703,14 +736,14 @@ static struct isa_driver generic_NCR5380_isa_driver = { }; #ifdef CONFIG_PNP -static struct pnp_device_id generic_NCR5380_pnp_ids[] = { +static const struct pnp_device_id generic_NCR5380_pnp_ids[] = { { .id = "DTC436e", .driver_data = BOARD_DTC3181E }, { .id = "" } }; MODULE_DEVICE_TABLE(pnp, generic_NCR5380_pnp_ids); static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev, - const struct pnp_device_id *id) + const struct pnp_device_id *id) { int base, irq; @@ -721,7 +754,7 @@ static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev, irq = pnp_irq(pdev, 0); return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq, - id->driver_data); + id->driver_data); } static void generic_NCR5380_pnp_remove(struct pnp_dev *pdev) diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index facc7271f932..a4473356a9dc 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2354,7 +2354,7 @@ static int gdth_internal_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp) inq.resp_aenc = 2; inq.add_length= 32; strcpy(inq.vendor,ha->oem_name); - sprintf(inq.product,"Host Drive #%02d",t); + snprintf(inq.product, sizeof(inq.product), "Host Drive #%02d",t); strcpy(inq.revision," "); gdth_copy_internal_data(ha, scp, (char*)&inq, sizeof(gdth_inq_data)); break; diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c index be609db66807..d08b2716752c 100644 --- a/drivers/scsi/gdth_proc.c +++ b/drivers/scsi/gdth_proc.c @@ -147,7 +147,7 @@ int gdth_show_info(struct seq_file *m, struct Scsi_Host *host) gdth_cmd_str *gdtcmd; gdth_evt_str *estr; - char hrec[161]; + char hrec[277]; char *buf; gdth_dskstat_str *pds; diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c index 3b6f83ffddc4..a27fc49ebd3a 100644 --- a/drivers/scsi/gvp11.c +++ b/drivers/scsi/gvp11.c @@ -171,23 +171,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, } } -static int gvp11_bus_reset(struct scsi_cmnd *cmd) -{ - struct Scsi_Host *instance = cmd->device->host; - - /* FIXME perform bus-specific reset */ - - /* FIXME 2: shouldn't we no-op this function (return - FAILED), and fall back to host reset function, - wd33c93_host_reset ? */ - - spin_lock_irq(instance->host_lock); - wd33c93_host_reset(cmd); - spin_unlock_irq(instance->host_lock); - - return SUCCESS; -} - static struct scsi_host_template gvp11_scsi_template = { .module = THIS_MODULE, .name = "GVP Series II SCSI", @@ -196,7 +179,6 @@ static struct scsi_host_template gvp11_scsi_template = { .proc_name = "GVP11", .queuecommand = wd33c93_queuecommand, .eh_abort_handler = wd33c93_abort, - .eh_bus_reset_handler = gvp11_bus_reset, .eh_host_reset_handler = wd33c93_host_reset, .can_queue = CAN_QUEUE, .this_id = 7, diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index a722f2bd72ab..07f4a4cfbec1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -15,6 +15,7 @@ #include <linux/acpi.h> #include <linux/clk.h> #include <linux/dmapool.h> +#include <linux/iopoll.h> #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of_address.h> @@ -25,14 +26,13 @@ #include <scsi/sas_ata.h> #include <scsi/libsas.h> -#define DRV_VERSION "v1.6" - #define HISI_SAS_MAX_PHYS 9 #define HISI_SAS_MAX_QUEUES 32 #define HISI_SAS_QUEUE_SLOTS 512 #define HISI_SAS_MAX_ITCT_ENTRIES 2048 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES #define HISI_SAS_RESET_BIT 0 +#define HISI_SAS_REJECT_CMD_BIT 1 #define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer)) #define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table)) @@ -90,6 +90,14 @@ enum hisi_sas_dev_type { HISI_SAS_DEV_TYPE_SATA, }; +struct hisi_sas_hw_error { + u32 irq_msk; + u32 msk; + int shift; + const char *msg; + int reg; +}; + struct hisi_sas_phy { struct hisi_hba *hisi_hba; struct hisi_sas_port *port; @@ -132,6 +140,7 @@ struct hisi_sas_dq { struct hisi_sas_device { struct hisi_hba *hisi_hba; struct domain_device *sas_device; + struct completion *completion; struct hisi_sas_dq *dq; struct list_head list; u64 attached_phy; @@ -192,6 +201,7 @@ struct hisi_sas_hw { void (*phy_enable)(struct hisi_hba *hisi_hba, int phy_no); void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no); void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no); + void (*get_events)(struct hisi_hba *hisi_hba, int phy_no); void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no, struct sas_phy_linkrates *linkrates); enum sas_linkrate (*phy_get_max_linkrate)(void); @@ -201,6 +211,7 @@ struct hisi_sas_hw { void (*dereg_device)(struct hisi_hba *hisi_hba, struct domain_device *device); int (*soft_reset)(struct hisi_hba *hisi_hba); + u32 (*get_phys_state)(struct hisi_hba *hisi_hba); int max_command_entries; int complete_hdr_size; }; @@ -390,6 +401,7 @@ struct hisi_sas_slot_buf_table { extern struct scsi_transport_template *hisi_sas_stt; extern struct scsi_host_template *hisi_sas_sht; +extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba); extern void hisi_sas_init_add(struct hisi_hba *hisi_hba); extern int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost); extern void hisi_sas_free(struct hisi_hba *hisi_hba); @@ -408,6 +420,4 @@ extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task, struct hisi_sas_slot *slot); extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba); -extern void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state, - u32 state); #endif diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 4022c3f8295f..16664f2e15fb 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -61,6 +61,7 @@ u8 hisi_sas_get_ata_protocol(u8 cmd, int direction) case ATA_CMD_WRITE_QUEUED: case ATA_CMD_WRITE_LOG_DMA_EXT: case ATA_CMD_WRITE_STREAM_DMA_EXT: + case ATA_CMD_ZAC_MGMT_IN: return HISI_SAS_SATA_PROTOCOL_DMA; case ATA_CMD_CHK_POWER: @@ -73,6 +74,7 @@ u8 hisi_sas_get_ata_protocol(u8 cmd, int direction) case ATA_CMD_SET_FEATURES: case ATA_CMD_STANDBY: case ATA_CMD_STANDBYNOW1: + case ATA_CMD_ZAC_MGMT_OUT: return HISI_SAS_SATA_PROTOCOL_NONDATA; default: if (direction == DMA_NONE) @@ -125,6 +127,15 @@ struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port) } EXPORT_SYMBOL_GPL(to_hisi_sas_port); +void hisi_sas_stop_phys(struct hisi_hba *hisi_hba) +{ + int phy_no; + + for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) + hisi_hba->hw->phy_disable(hisi_hba, phy_no); +} +EXPORT_SYMBOL_GPL(hisi_sas_stop_phys); + static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx) { void *bitmap = hisi_hba->slot_index_tags; @@ -433,7 +444,7 @@ static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_sas_dq *dq = sas_dev->dq; - if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))) + if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) return -EINVAL; /* protect task_prep and start_delivery sequence */ @@ -716,7 +727,6 @@ static void hisi_sas_dev_gone(struct domain_device *device) struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; - int dev_id = sas_dev->device_id; dev_info(dev, "found dev[%d:%x] is gone\n", sas_dev->device_id, sas_dev->dev_type); @@ -729,9 +739,7 @@ static void hisi_sas_dev_gone(struct domain_device *device) hisi_hba->hw->free_device(hisi_hba, sas_dev); device->lldd_dev = NULL; memset(sas_dev, 0, sizeof(*sas_dev)); - sas_dev->device_id = dev_id; sas_dev->dev_type = SAS_PHY_UNUSED; - sas_dev->dev_status = HISI_SAS_DEV_NORMAL; } static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) @@ -764,7 +772,12 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, case PHY_FUNC_SET_LINK_RATE: hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, funcdata); break; - + case PHY_FUNC_GET_EVENTS: + if (hisi_hba->hw->get_events) { + hisi_hba->hw->get_events(hisi_hba, phy_no); + break; + } + /* fallthru */ case PHY_FUNC_RELEASE_SPINUP_HOLD: default: return -EOPNOTSUPP; @@ -967,37 +980,117 @@ static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device, sizeof(ssp_task), tmf); } +static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba, + struct asd_sas_port *sas_port, enum sas_linkrate linkrate) +{ + struct hisi_sas_device *sas_dev; + struct domain_device *device; + int i; + + for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) { + sas_dev = &hisi_hba->devices[i]; + device = sas_dev->sas_device; + if ((sas_dev->dev_type == SAS_PHY_UNUSED) + || !device || (device->port != sas_port)) + continue; + + hisi_hba->hw->free_device(hisi_hba, sas_dev); + + /* Update linkrate of directly attached device. */ + if (!device->parent) + device->linkrate = linkrate; + + hisi_hba->hw->setup_itct(hisi_hba, sas_dev); + } +} + +static void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state, + u32 state) +{ + struct sas_ha_struct *sas_ha = &hisi_hba->sha; + struct asd_sas_port *_sas_port = NULL; + int phy_no; + + for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { + struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + struct asd_sas_port *sas_port = sas_phy->port; + struct hisi_sas_port *port = to_hisi_sas_port(sas_port); + bool do_port_check = !!(_sas_port != sas_port); + + if (!sas_phy->phy->enabled) + continue; + + /* Report PHY state change to libsas */ + if (state & (1 << phy_no)) { + if (do_port_check && sas_port) { + struct domain_device *dev = sas_port->port_dev; + + _sas_port = sas_port; + port->id = phy->port_id; + hisi_sas_refresh_port_id(hisi_hba, + sas_port, sas_phy->linkrate); + + if (DEV_IS_EXPANDER(dev->dev_type)) + sas_ha->notify_port_event(sas_phy, + PORTE_BROADCAST_RCVD); + } + } else if (old_state & (1 << phy_no)) + /* PHY down but was up before */ + hisi_sas_phy_down(hisi_hba, phy_no, 0); + + } + + drain_workqueue(hisi_hba->shost->work_q); +} + static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) { + struct sas_ha_struct *sas_ha = &hisi_hba->sha; + struct device *dev = hisi_hba->dev; + struct Scsi_Host *shost = hisi_hba->shost; + u32 old_state, state; + unsigned long flags; int rc; if (!hisi_hba->hw->soft_reset) return -1; - if (!test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) { - struct device *dev = hisi_hba->dev; - struct sas_ha_struct *sas_ha = &hisi_hba->sha; - unsigned long flags; + if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) + return -1; - dev_dbg(dev, "controller reset begins!\n"); - scsi_block_requests(hisi_hba->shost); - rc = hisi_hba->hw->soft_reset(hisi_hba); - if (rc) { - dev_warn(dev, "controller reset failed (%d)\n", rc); - goto out; - } - spin_lock_irqsave(&hisi_hba->lock, flags); - hisi_sas_release_tasks(hisi_hba); - spin_unlock_irqrestore(&hisi_hba->lock, flags); + dev_dbg(dev, "controller resetting...\n"); + old_state = hisi_hba->hw->get_phys_state(hisi_hba); - sas_ha->notify_ha_event(sas_ha, HAE_RESET); - dev_dbg(dev, "controller reset successful!\n"); - } else - return -1; + scsi_block_requests(shost); + set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); + rc = hisi_hba->hw->soft_reset(hisi_hba); + if (rc) { + dev_warn(dev, "controller reset failed (%d)\n", rc); + clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); + goto out; + } + spin_lock_irqsave(&hisi_hba->lock, flags); + hisi_sas_release_tasks(hisi_hba); + spin_unlock_irqrestore(&hisi_hba->lock, flags); + + sas_ha->notify_ha_event(sas_ha, HAE_RESET); + clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); + + /* Init and wait for PHYs to come up and all libsas event finished. */ + hisi_hba->hw->phys_init(hisi_hba); + msleep(1000); + drain_workqueue(hisi_hba->wq); + drain_workqueue(shost->work_q); + + state = hisi_hba->hw->get_phys_state(hisi_hba); + hisi_sas_rescan_topology(hisi_hba, old_state, state); + dev_dbg(dev, "controller reset complete\n"); out: - scsi_unblock_requests(hisi_hba->shost); + scsi_unblock_requests(shost); clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags); + return rc; } @@ -1241,7 +1334,7 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx; unsigned long flags, flags_dq; - if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))) + if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) return -EINVAL; if (!device->port) @@ -1279,12 +1372,21 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, slot->port = port; task->lldd_task = slot; + slot->buf = dma_pool_alloc(hisi_hba->buffer_pool, + GFP_ATOMIC, &slot->buf_dma); + if (!slot->buf) { + rc = -ENOMEM; + goto err_out_tag; + } + memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr)); + memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ); + memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ); rc = hisi_sas_task_prep_abort(hisi_hba, slot, device_id, abort_flag, task_tag); if (rc) - goto err_out_tag; + goto err_out_buf; list_add_tail(&slot->entry, &sas_dev->list); @@ -1302,6 +1404,9 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, return 0; +err_out_buf: + dma_pool_free(hisi_hba->buffer_pool, slot->buf, + slot->buf_dma); err_out_tag: spin_lock_irqsave(&hisi_hba->lock, flags); hisi_sas_slot_index_free(hisi_hba, slot_idx); @@ -1437,36 +1542,6 @@ void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy) } EXPORT_SYMBOL_GPL(hisi_sas_phy_down); -void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state, - u32 state) -{ - struct sas_ha_struct *sas_ha = &hisi_hba->sha; - int phy_no; - - for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { - struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; - struct asd_sas_phy *sas_phy = &phy->sas_phy; - struct asd_sas_port *sas_port = sas_phy->port; - struct domain_device *dev; - - if (sas_phy->enabled) { - /* Report PHY state change to libsas */ - if (state & (1 << phy_no)) - continue; - - if (old_state & (1 << phy_no)) - /* PHY down but was up before */ - hisi_sas_phy_down(hisi_hba, phy_no, 0); - } - if (!sas_port) - continue; - dev = sas_port->port_dev; - - if (DEV_IS_EXPANDER(dev->dev_type)) - sas_ha->notify_phy_event(sas_phy, PORTE_BROADCAST_RCVD); - } -} -EXPORT_SYMBOL_GPL(hisi_sas_rescan_topology); struct scsi_transport_template *hisi_sas_stt; EXPORT_SYMBOL_GPL(hisi_sas_stt); @@ -1487,7 +1562,7 @@ static struct scsi_host_template _hisi_sas_sht = { .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .eh_target_reset_handler = sas_eh_target_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, }; @@ -1825,7 +1900,7 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, return shost; err_out: - kfree(shost); + scsi_host_put(shost); dev_err(dev, "shost alloc failed\n"); return NULL; } @@ -1916,7 +1991,7 @@ err_out_register_ha: scsi_remove_host(shost); err_out_ha: hisi_sas_free(hisi_hba); - kfree(shost); + scsi_host_put(shost); return rc; } EXPORT_SYMBOL_GPL(hisi_sas_probe); @@ -1931,15 +2006,13 @@ int hisi_sas_remove(struct platform_device *pdev) sas_remove_host(sha->core.shost); hisi_sas_free(hisi_hba); - kfree(shost); + scsi_host_put(shost); return 0; } EXPORT_SYMBOL_GPL(hisi_sas_remove); static __init int hisi_sas_init(void) { - pr_info("hisi_sas: driver version %s\n", DRV_VERSION); - hisi_sas_stt = sas_domain_attach_transport(&hisi_sas_transport_ops); if (!hisi_sas_stt) return -ENOMEM; @@ -1955,7 +2028,6 @@ static __exit void hisi_sas_exit(void) module_init(hisi_sas_init); module_exit(hisi_sas_exit); -MODULE_VERSION(DRV_VERSION); MODULE_LICENSE("GPL"); MODULE_AUTHOR("John Garry <john.garry@huawei.com>"); MODULE_DESCRIPTION("HISILICON SAS controller driver"); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 2bfea7082e3a..779af979b6db 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -256,6 +256,8 @@ #define LINK_DFX2_RCVR_HOLD_STS_MSK (0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF) #define LINK_DFX2_SEND_HOLD_STS_OFF 10 #define LINK_DFX2_SEND_HOLD_STS_MSK (0x1 << LINK_DFX2_SEND_HOLD_STS_OFF) +#define SAS_ERR_CNT4_REG (PORT_BASE + 0x290) +#define SAS_ERR_CNT6_REG (PORT_BASE + 0x298) #define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0) #define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4) #define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8) @@ -399,6 +401,172 @@ struct hisi_sas_err_record_v2 { __le32 dma_rx_err_type; }; +static const struct hisi_sas_hw_error one_bit_ecc_errors[] = { + { + .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF), + .msk = HGC_DQE_ECC_1B_ADDR_MSK, + .shift = HGC_DQE_ECC_1B_ADDR_OFF, + .msg = "hgc_dqe_acc1b_intr found: \ + Ram address is 0x%08X\n", + .reg = HGC_DQE_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF), + .msk = HGC_IOST_ECC_1B_ADDR_MSK, + .shift = HGC_IOST_ECC_1B_ADDR_OFF, + .msg = "hgc_iost_acc1b_intr found: \ + Ram address is 0x%08X\n", + .reg = HGC_IOST_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF), + .msk = HGC_ITCT_ECC_1B_ADDR_MSK, + .shift = HGC_ITCT_ECC_1B_ADDR_OFF, + .msg = "hgc_itct_acc1b_intr found: \ + Ram address is 0x%08X\n", + .reg = HGC_ITCT_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF), + .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK, + .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF, + .msg = "hgc_iostl_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_LM_DFX_STATUS2, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF), + .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK, + .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF, + .msg = "hgc_itctl_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_LM_DFX_STATUS2, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF), + .msk = HGC_CQE_ECC_1B_ADDR_MSK, + .shift = HGC_CQE_ECC_1B_ADDR_OFF, + .msg = "hgc_cqe_acc1b_intr found: \ + Ram address is 0x%08X\n", + .reg = HGC_CQE_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF, + .msg = "rxm_mem0_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF, + .msg = "rxm_mem1_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF, + .msg = "rxm_mem2_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF), + .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK, + .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF, + .msg = "rxm_mem3_acc1b_intr found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS15, + }, +}; + +static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = { + { + .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF), + .msk = HGC_DQE_ECC_MB_ADDR_MSK, + .shift = HGC_DQE_ECC_MB_ADDR_OFF, + .msg = "hgc_dqe_accbad_intr (0x%x) found: \ + Ram address is 0x%08X\n", + .reg = HGC_DQE_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF), + .msk = HGC_IOST_ECC_MB_ADDR_MSK, + .shift = HGC_IOST_ECC_MB_ADDR_OFF, + .msg = "hgc_iost_accbad_intr (0x%x) found: \ + Ram address is 0x%08X\n", + .reg = HGC_IOST_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF), + .msk = HGC_ITCT_ECC_MB_ADDR_MSK, + .shift = HGC_ITCT_ECC_MB_ADDR_OFF, + .msg = "hgc_itct_accbad_intr (0x%x) found: \ + Ram address is 0x%08X\n", + .reg = HGC_ITCT_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF), + .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK, + .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF, + .msg = "hgc_iostl_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_LM_DFX_STATUS2, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF), + .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK, + .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF, + .msg = "hgc_itctl_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_LM_DFX_STATUS2, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF), + .msk = HGC_CQE_ECC_MB_ADDR_MSK, + .shift = HGC_CQE_ECC_MB_ADDR_OFF, + .msg = "hgc_cqe_accbad_intr (0x%x) found: \ + Ram address is 0x%08X\n", + .reg = HGC_CQE_ECC_ADDR, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF, + .msg = "rxm_mem0_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF, + .msg = "rxm_mem1_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF), + .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK, + .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF, + .msg = "rxm_mem2_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS14, + }, + { + .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF), + .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK, + .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF, + .msg = "rxm_mem3_accbad_intr (0x%x) found: \ + memory address is 0x%08X\n", + .reg = HGC_RXM_DFX_STATUS15, + }, +}; + enum { HISI_SAS_PHY_PHY_UPDOWN, HISI_SAS_PHY_CHNL_INT, @@ -806,12 +974,14 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba, static void free_device_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_device *sas_dev) { + DECLARE_COMPLETION_ONSTACK(completion); u64 dev_id = sas_dev->device_id; - struct device *dev = hisi_hba->dev; struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id]; u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3); int i; + sas_dev->completion = &completion; + /* SoC bug workaround */ if (dev_is_sata(sas_dev->sas_device)) clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap); @@ -821,28 +991,12 @@ static void free_device_v2_hw(struct hisi_hba *hisi_hba, hisi_sas_write32(hisi_hba, ENT_INT_SRC3, ENT_INT_SRC3_ITC_INT_MSK); - /* clear the itct int*/ for (i = 0; i < 2; i++) { - /* clear the itct table*/ - reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR); - reg_val |= ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK); + reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK); hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val); + wait_for_completion(sas_dev->completion); - udelay(10); - reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3); - if (ENT_INT_SRC3_ITC_INT_MSK & reg_val) { - dev_dbg(dev, "got clear ITCT done interrupt\n"); - - /* invalid the itct state*/ - memset(itct, 0, sizeof(struct hisi_sas_itct)); - hisi_sas_write32(hisi_hba, ENT_INT_SRC3, - ENT_INT_SRC3_ITC_INT_MSK); - - /* clear the itct */ - hisi_sas_write32(hisi_hba, ITCT_CLR, 0); - dev_dbg(dev, "clear ITCT ok\n"); - break; - } + memset(itct, 0, sizeof(struct hisi_sas_itct)); } } @@ -1023,7 +1177,7 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba) hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff); hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe); hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe); - hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffffffe); + hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffe20fe); hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30); for (i = 0; i < hisi_hba->queue_count; i++) hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0); @@ -1332,25 +1486,12 @@ static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) enable_phy_v2_hw(hisi_hba, phy_no); } -static void stop_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no) -{ - disable_phy_v2_hw(hisi_hba, phy_no); -} - -static void stop_phys_v2_hw(struct hisi_hba *hisi_hba) -{ - int i; - - for (i = 0; i < hisi_hba->n_phy; i++) - stop_phy_v2_hw(hisi_hba, i); -} - static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no) { struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; u32 txid_auto; - stop_phy_v2_hw(hisi_hba, phy_no); + disable_phy_v2_hw(hisi_hba, phy_no); if (phy->identify.device_type == SAS_END_DEVICE) { txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO); hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, @@ -1360,17 +1501,38 @@ static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no) start_phy_v2_hw(hisi_hba, phy_no); } -static void start_phys_v2_hw(struct hisi_hba *hisi_hba) +static void phy_get_events_v2_hw(struct hisi_hba *hisi_hba, int phy_no) { - int i; + struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + struct sas_phy *sphy = sas_phy->phy; + u32 err4_reg_val, err6_reg_val; - for (i = 0; i < hisi_hba->n_phy; i++) - start_phy_v2_hw(hisi_hba, i); + /* loss dword syn, phy reset problem */ + err4_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT4_REG); + + /* disparity err, invalid dword */ + err6_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT6_REG); + + sphy->loss_of_dword_sync_count += (err4_reg_val >> 16) & 0xFFFF; + sphy->phy_reset_problem_count += err4_reg_val & 0xFFFF; + sphy->invalid_dword_count += (err6_reg_val & 0xFF0000) >> 16; + sphy->running_disparity_error_count += err6_reg_val & 0xFF; } static void phys_init_v2_hw(struct hisi_hba *hisi_hba) { - start_phys_v2_hw(hisi_hba); + int i; + + for (i = 0; i < hisi_hba->n_phy; i++) { + struct hisi_sas_phy *phy = &hisi_hba->phy[i]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + + if (!sas_phy->phy->enabled) + continue; + + start_phy_v2_hw(hisi_hba, i); + } } static void sl_notify_v2_hw(struct hisi_hba *hisi_hba, int phy_no) @@ -1965,7 +2127,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, } case DMA_RX_DATA_LEN_UNDERFLOW: { - ts->residual = dma_rx_err_type; + ts->residual = trans_tx_fail_type; ts->stat = SAS_DATA_UNDERRUN; break; } @@ -2091,7 +2253,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, } case DMA_RX_DATA_LEN_UNDERFLOW: { - ts->residual = dma_rx_err_type; + ts->residual = trans_tx_fail_type; ts->stat = SAS_DATA_UNDERRUN; break; } @@ -2599,6 +2761,7 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p) struct hisi_hba *hisi_hba = p; u32 irq_msk; int phy_no = 0; + irqreturn_t res = IRQ_NONE; irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO) >> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff; @@ -2613,15 +2776,15 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p) case CHL_INT0_SL_PHY_ENABLE_MSK: /* phy up */ if (phy_up_v2_hw(phy_no, hisi_hba) == - IRQ_NONE) - return IRQ_NONE; + IRQ_HANDLED) + res = IRQ_HANDLED; break; case CHL_INT0_NOT_RDY_MSK: /* phy down */ if (phy_down_v2_hw(phy_no, hisi_hba) == - IRQ_NONE) - return IRQ_NONE; + IRQ_HANDLED) + res = IRQ_HANDLED; break; case (CHL_INT0_NOT_RDY_MSK | @@ -2631,13 +2794,13 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p) if (reg_value & BIT(phy_no)) { /* phy up */ if (phy_up_v2_hw(phy_no, hisi_hba) == - IRQ_NONE) - return IRQ_NONE; + IRQ_HANDLED) + res = IRQ_HANDLED; } else { /* phy down */ if (phy_down_v2_hw(phy_no, hisi_hba) == - IRQ_NONE) - return IRQ_NONE; + IRQ_HANDLED) + res = IRQ_HANDLED; } break; @@ -2650,7 +2813,7 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p) phy_no++; } - return IRQ_HANDLED; + return res; } static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba) @@ -2733,194 +2896,38 @@ static void one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value) { struct device *dev = hisi_hba->dev; - u32 reg_val; - - if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR); - dev_warn(dev, "hgc_dqe_acc1b_intr found: \ - Ram address is 0x%08X\n", - (reg_val & HGC_DQE_ECC_1B_ADDR_MSK) >> - HGC_DQE_ECC_1B_ADDR_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR); - dev_warn(dev, "hgc_iost_acc1b_intr found: \ - Ram address is 0x%08X\n", - (reg_val & HGC_IOST_ECC_1B_ADDR_MSK) >> - HGC_IOST_ECC_1B_ADDR_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR); - dev_warn(dev, "hgc_itct_acc1b_intr found: \ - Ram address is 0x%08X\n", - (reg_val & HGC_ITCT_ECC_1B_ADDR_MSK) >> - HGC_ITCT_ECC_1B_ADDR_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2); - dev_warn(dev, "hgc_iostl_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >> - HGC_LM_DFX_STATUS2_IOSTLIST_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2); - dev_warn(dev, "hgc_itctl_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >> - HGC_LM_DFX_STATUS2_ITCTLIST_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR); - dev_warn(dev, "hgc_cqe_acc1b_intr found: \ - Ram address is 0x%08X\n", - (reg_val & HGC_CQE_ECC_1B_ADDR_MSK) >> - HGC_CQE_ECC_1B_ADDR_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem0_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >> - HGC_RXM_DFX_STATUS14_MEM0_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem1_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >> - HGC_RXM_DFX_STATUS14_MEM1_OFF); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem2_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >> - HGC_RXM_DFX_STATUS14_MEM2_OFF); - } + const struct hisi_sas_hw_error *ecc_error; + u32 val; + int i; - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15); - dev_warn(dev, "rxm_mem3_acc1b_intr found: \ - memory address is 0x%08X\n", - (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >> - HGC_RXM_DFX_STATUS15_MEM3_OFF); + for (i = 0; i < ARRAY_SIZE(one_bit_ecc_errors); i++) { + ecc_error = &one_bit_ecc_errors[i]; + if (irq_value & ecc_error->irq_msk) { + val = hisi_sas_read32(hisi_hba, ecc_error->reg); + val &= ecc_error->msk; + val >>= ecc_error->shift; + dev_warn(dev, ecc_error->msg, val); + } } - } static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value) { - u32 reg_val; struct device *dev = hisi_hba->dev; + const struct hisi_sas_hw_error *ecc_error; + u32 val; + int i; - if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR); - dev_warn(dev, "hgc_dqe_accbad_intr (0x%x) found: \ - Ram address is 0x%08X\n", - irq_value, - (reg_val & HGC_DQE_ECC_MB_ADDR_MSK) >> - HGC_DQE_ECC_MB_ADDR_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR); - dev_warn(dev, "hgc_iost_accbad_intr (0x%x) found: \ - Ram address is 0x%08X\n", - irq_value, - (reg_val & HGC_IOST_ECC_MB_ADDR_MSK) >> - HGC_IOST_ECC_MB_ADDR_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR); - dev_warn(dev,"hgc_itct_accbad_intr (0x%x) found: \ - Ram address is 0x%08X\n", - irq_value, - (reg_val & HGC_ITCT_ECC_MB_ADDR_MSK) >> - HGC_ITCT_ECC_MB_ADDR_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2); - dev_warn(dev, "hgc_iostl_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >> - HGC_LM_DFX_STATUS2_IOSTLIST_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2); - dev_warn(dev, "hgc_itctl_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >> - HGC_LM_DFX_STATUS2_ITCTLIST_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR); - dev_warn(dev, "hgc_cqe_accbad_intr (0x%x) found: \ - Ram address is 0x%08X\n", - irq_value, - (reg_val & HGC_CQE_ECC_MB_ADDR_MSK) >> - HGC_CQE_ECC_MB_ADDR_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem0_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >> - HGC_RXM_DFX_STATUS14_MEM0_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem1_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >> - HGC_RXM_DFX_STATUS14_MEM1_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14); - dev_warn(dev, "rxm_mem2_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >> - HGC_RXM_DFX_STATUS14_MEM2_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } - - if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF)) { - reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15); - dev_warn(dev, "rxm_mem3_accbad_intr (0x%x) found: \ - memory address is 0x%08X\n", - irq_value, - (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >> - HGC_RXM_DFX_STATUS15_MEM3_OFF); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); + for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) { + ecc_error = &multi_bit_ecc_errors[i]; + if (irq_value & ecc_error->irq_msk) { + val = hisi_sas_read32(hisi_hba, ecc_error->reg); + val &= ecc_error->msk; + val >>= ecc_error->shift; + dev_warn(dev, ecc_error->msg, irq_value, val); + queue_work(hisi_hba->wq, &hisi_hba->rst_work); + } } return; @@ -3053,8 +3060,20 @@ static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p) irq_value); queue_work(hisi_hba->wq, &hisi_hba->rst_work); } + + if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) { + u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR); + u32 dev_id = reg_val & ITCT_DEV_MSK; + struct hisi_sas_device *sas_dev = + &hisi_hba->devices[dev_id]; + + hisi_sas_write32(hisi_hba, ITCT_CLR, 0); + dev_dbg(dev, "clear ITCT ok\n"); + complete(sas_dev->completion); + } } + hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value); hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk); return IRQ_HANDLED; @@ -3251,97 +3270,92 @@ static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba) { struct platform_device *pdev = hisi_hba->platform_dev; struct device *dev = &pdev->dev; - int i, irq, rc, irq_map[128]; - + int irq, rc, irq_map[128]; + int i, phy_no, fatal_no, queue_no, k; for (i = 0; i < 128; i++) irq_map[i] = platform_get_irq(pdev, i); for (i = 0; i < HISI_SAS_PHY_INT_NR; i++) { - int idx = i; - - irq = irq_map[idx + 1]; /* Phy up/down is irq1 */ - if (!irq) { - dev_err(dev, "irq init: fail map phy interrupt %d\n", - idx); - return -ENOENT; - } - + irq = irq_map[i + 1]; /* Phy up/down is irq1 */ rc = devm_request_irq(dev, irq, phy_interrupts[i], 0, DRV_NAME " phy", hisi_hba); if (rc) { dev_err(dev, "irq init: could not request " "phy interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + rc = -ENOENT; + goto free_phy_int_irqs; } } - for (i = 0; i < hisi_hba->n_phy; i++) { - struct hisi_sas_phy *phy = &hisi_hba->phy[i]; - int idx = i + 72; /* First SATA interrupt is irq72 */ - - irq = irq_map[idx]; - if (!irq) { - dev_err(dev, "irq init: fail map phy interrupt %d\n", - idx); - return -ENOENT; - } + for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { + struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; + irq = irq_map[phy_no + 72]; rc = devm_request_irq(dev, irq, sata_int_v2_hw, 0, DRV_NAME " sata", phy); if (rc) { dev_err(dev, "irq init: could not request " "sata interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + rc = -ENOENT; + goto free_sata_int_irqs; } } - for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++) { - int idx = i; - - irq = irq_map[idx + 81]; - if (!irq) { - dev_err(dev, "irq init: fail map fatal interrupt %d\n", - idx); - return -ENOENT; - } - - rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0, + for (fatal_no = 0; fatal_no < HISI_SAS_FATAL_INT_NR; fatal_no++) { + irq = irq_map[fatal_no + 81]; + rc = devm_request_irq(dev, irq, fatal_interrupts[fatal_no], 0, DRV_NAME " fatal", hisi_hba); if (rc) { dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + rc = -ENOENT; + goto free_fatal_int_irqs; } } - for (i = 0; i < hisi_hba->queue_count; i++) { - int idx = i + 96; /* First cq interrupt is irq96 */ - struct hisi_sas_cq *cq = &hisi_hba->cq[i]; + for (queue_no = 0; queue_no < hisi_hba->queue_count; queue_no++) { + struct hisi_sas_cq *cq = &hisi_hba->cq[queue_no]; struct tasklet_struct *t = &cq->tasklet; - irq = irq_map[idx]; - if (!irq) { - dev_err(dev, - "irq init: could not map cq interrupt %d\n", - idx); - return -ENOENT; - } + irq = irq_map[queue_no + 96]; rc = devm_request_irq(dev, irq, cq_interrupt_v2_hw, 0, - DRV_NAME " cq", &hisi_hba->cq[i]); + DRV_NAME " cq", cq); if (rc) { dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n", irq, rc); - return -ENOENT; + rc = -ENOENT; + goto free_cq_int_irqs; } tasklet_init(t, cq_tasklet_v2_hw, (unsigned long)cq); } return 0; + +free_cq_int_irqs: + for (k = 0; k < queue_no; k++) { + struct hisi_sas_cq *cq = &hisi_hba->cq[k]; + + free_irq(irq_map[k + 96], cq); + tasklet_kill(&cq->tasklet); + } +free_fatal_int_irqs: + for (k = 0; k < fatal_no; k++) + free_irq(irq_map[k + 81], hisi_hba); +free_sata_int_irqs: + for (k = 0; k < phy_no; k++) { + struct hisi_sas_phy *phy = &hisi_hba->phy[k]; + + free_irq(irq_map[k + 72], phy); + } +free_phy_int_irqs: + for (k = 0; k < i; k++) + free_irq(irq_map[k + 1], hisi_hba); + return rc; } static int hisi_sas_v2_init(struct hisi_hba *hisi_hba) @@ -3383,19 +3397,21 @@ static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba) synchronize_irq(platform_get_irq(pdev, i)); } + +static u32 get_phys_state_v2_hw(struct hisi_hba *hisi_hba) +{ + return hisi_sas_read32(hisi_hba, PHY_STATE); +} + static int soft_reset_v2_hw(struct hisi_hba *hisi_hba) { struct device *dev = hisi_hba->dev; - u32 old_state, state; int rc, cnt; - int phy_no; - - old_state = hisi_sas_read32(hisi_hba, PHY_STATE); interrupt_disable_v2_hw(hisi_hba); hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0); - stop_phys_v2_hw(hisi_hba); + hisi_sas_stop_phys(hisi_hba); mdelay(10); @@ -3425,22 +3441,6 @@ static int soft_reset_v2_hw(struct hisi_hba *hisi_hba) phys_reject_stp_links_v2_hw(hisi_hba); - /* Re-enable the PHYs */ - for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { - struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; - struct asd_sas_phy *sas_phy = &phy->sas_phy; - - if (sas_phy->enabled) - start_phy_v2_hw(hisi_hba, phy_no); - } - - /* Wait for the PHYs to come up and read the PHY state */ - msleep(1000); - - state = hisi_sas_read32(hisi_hba, PHY_STATE); - - hisi_sas_rescan_topology(hisi_hba, old_state, state); - return 0; } @@ -3463,11 +3463,13 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = { .phy_enable = enable_phy_v2_hw, .phy_disable = disable_phy_v2_hw, .phy_hard_reset = phy_hard_reset_v2_hw, + .get_events = phy_get_events_v2_hw, .phy_set_linkrate = phy_set_linkrate_v2_hw, .phy_get_max_linkrate = phy_get_max_linkrate_v2_hw, .max_command_entries = HISI_SAS_COMMAND_ENTRIES_V2_HW, .complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr), .soft_reset = soft_reset_v2_hw, + .get_phys_state = get_phys_state_v2_hw, }; static int hisi_sas_v2_probe(struct platform_device *pdev) @@ -3491,10 +3493,17 @@ static int hisi_sas_v2_remove(struct platform_device *pdev) { struct sas_ha_struct *sha = platform_get_drvdata(pdev); struct hisi_hba *hisi_hba = sha->lldd_ha; + int i; if (timer_pending(&hisi_hba->timer)) del_timer(&hisi_hba->timer); + for (i = 0; i < hisi_hba->queue_count; i++) { + struct hisi_sas_cq *cq = &hisi_hba->cq[i]; + + tasklet_kill(&cq->tasklet); + } + return hisi_sas_remove(pdev); } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 83d2dca1c650..2e5fa9717be8 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -23,14 +23,11 @@ #define PHY_STATE 0x24 #define PHY_PORT_NUM_MA 0x28 #define PHY_CONN_RATE 0x30 -#define AXI_AHB_CLK_CFG 0x3c #define ITCT_CLR 0x44 #define ITCT_CLR_EN_OFF 16 #define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF) #define ITCT_DEV_OFF 0 #define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF) -#define AXI_USER1 0x48 -#define AXI_USER2 0x4c #define IO_SATA_BROKEN_MSG_ADDR_LO 0x58 #define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c #define SATA_INITI_D2H_STORE_ADDR_LO 0x60 @@ -137,6 +134,7 @@ #define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF) #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4) #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc) +#define STP_LINK_TIMER (PORT_BASE + 0x120) #define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134) #define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138) #define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c) @@ -167,6 +165,31 @@ #define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc) #define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0) #define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4) +#define DMA_TX_STATUS (PORT_BASE + 0x2d0) +#define DMA_TX_STATUS_BUSY_OFF 0 +#define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF) +#define DMA_RX_STATUS (PORT_BASE + 0x2e8) +#define DMA_RX_STATUS_BUSY_OFF 0 +#define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF) + +#define MAX_ITCT_HW 4096 /* max the hw can support */ +#define DEFAULT_ITCT_HW 2048 /* reset value, not reprogrammed */ +#if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW) +#error Max ITCT exceeded +#endif + +#define AXI_MASTER_CFG_BASE (0x5000) +#define AM_CTRL_GLOBAL (0x0) +#define AM_CURR_TRANS_RETURN (0x150) + +#define AM_CFG_MAX_TRANS (0x5010) +#define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014) +#define AXI_CFG (0x5100) +#define AM_ROB_ECC_ERR_ADDR (0x510c) +#define AM_ROB_ECC_ONEBIT_ERR_ADDR_OFF 0 +#define AM_ROB_ECC_ONEBIT_ERR_ADDR_MSK (0xff << AM_ROB_ECC_ONEBIT_ERR_ADDR_OFF) +#define AM_ROB_ECC_MULBIT_ERR_ADDR_OFF 8 +#define AM_ROB_ECC_MULBIT_ERR_ADDR_MSK (0xff << AM_ROB_ECC_MULBIT_ERR_ADDR_OFF) /* HW dma structures */ /* Delivery queue header */ @@ -354,8 +377,6 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) /* Global registers init */ hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, (u32)((1ULL << hisi_hba->queue_count) - 1)); - hisi_sas_write32(hisi_hba, AXI_USER1, 0x0); - hisi_sas_write32(hisi_hba, AXI_USER2, 0x40000060); hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108); hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0xd); hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1); @@ -371,15 +392,14 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0); hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0); hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0); - hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30); + hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x0); hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0); hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0); for (i = 0; i < hisi_hba->queue_count; i++) hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0); - hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 1); hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1); - hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff07fff); + hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE, 0x30000); for (i = 0; i < hisi_hba->n_phy; i++) { hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x801); @@ -389,7 +409,6 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000); hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff); hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbff); - hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x83f801fc); hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0); hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0); hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0); @@ -398,9 +417,11 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x0); hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, 0x199b4fa); hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, - 0xa0064); + 0xa03e8); hisi_sas_phy_write32(hisi_hba, i, SAS_STP_CON_TIMER_CFG, - 0xa0064); + 0xa03e8); + hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, + 0x7f7a120); } for (i = 0; i < hisi_hba->queue_count; i++) { /* Delivery queue */ @@ -578,8 +599,6 @@ static void free_device_v3_hw(struct hisi_hba *hisi_hba, memset(itct, 0, sizeof(struct hisi_sas_itct)); hisi_sas_write32(hisi_hba, ENT_INT_SRC3, ENT_INT_SRC3_ITC_INT_MSK); - hisi_hba->devices[dev_id].dev_type = SAS_PHY_UNUSED; - hisi_hba->devices[dev_id].dev_status = HISI_SAS_DEV_NORMAL; /* clear the itct */ hisi_sas_write32(hisi_hba, ITCT_CLR, 0); @@ -610,8 +629,52 @@ static void dereg_device_v3_hw(struct hisi_hba *hisi_hba, 1 << CFG_ABT_SET_IPTT_DONE_OFF); } +static int reset_hw_v3_hw(struct hisi_hba *hisi_hba) +{ + struct device *dev = hisi_hba->dev; + int ret; + u32 val; + + hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0); + + /* Disable all of the PHYs */ + hisi_sas_stop_phys(hisi_hba); + udelay(50); + + /* Ensure axi bus idle */ + ret = readl_poll_timeout(hisi_hba->regs + AXI_CFG, val, !val, + 20000, 1000000); + if (ret) { + dev_err(dev, "axi bus is not idle, ret = %d!\n", ret); + return -EIO; + } + + if (ACPI_HANDLE(dev)) { + acpi_status s; + + s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL); + if (ACPI_FAILURE(s)) { + dev_err(dev, "Reset failed\n"); + return -EIO; + } + } else + dev_err(dev, "no reset method!\n"); + + return 0; +} + static int hw_init_v3_hw(struct hisi_hba *hisi_hba) { + struct device *dev = hisi_hba->dev; + int rc; + + rc = reset_hw_v3_hw(hisi_hba); + if (rc) { + dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc); + return rc; + } + + msleep(100); init_reg_v3_hw(hisi_hba); return 0; @@ -640,25 +703,12 @@ static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) enable_phy_v3_hw(hisi_hba, phy_no); } -static void stop_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) -{ - disable_phy_v3_hw(hisi_hba, phy_no); -} - -static void start_phys_v3_hw(struct hisi_hba *hisi_hba) -{ - int i; - - for (i = 0; i < hisi_hba->n_phy; i++) - start_phy_v3_hw(hisi_hba, i); -} - static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no) { struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; u32 txid_auto; - stop_phy_v3_hw(hisi_hba, phy_no); + disable_phy_v3_hw(hisi_hba, phy_no); if (phy->identify.device_type == SAS_END_DEVICE) { txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO); hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, @@ -675,7 +725,17 @@ enum sas_linkrate phy_get_max_linkrate_v3_hw(void) static void phys_init_v3_hw(struct hisi_hba *hisi_hba) { - start_phys_v3_hw(hisi_hba); + int i; + + for (i = 0; i < hisi_hba->n_phy; i++) { + struct hisi_sas_phy *phy = &hisi_hba->phy[i]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + + if (!sas_phy->phy->enabled) + continue; + + start_phy_v3_hw(hisi_hba, i); + } } static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no) @@ -1140,7 +1200,6 @@ end: static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba) { - int res = 0; u32 phy_state, sl_ctrl, txid_auto; struct device *dev = hisi_hba->dev; @@ -1161,7 +1220,7 @@ static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK); hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0); - return res; + return 0; } static void phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba) @@ -1259,7 +1318,7 @@ static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p) if (irq_msk & (2 << (phy_no * 4)) && irq_value0) { hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value0 - & (~CHL_INT0_HOTPLUG_TOUT_MSK) + & (~CHL_INT0_SL_RX_BCST_ACK_MSK) & (~CHL_INT0_SL_PHY_ENABLE_MSK) & (~CHL_INT0_NOT_RDY_MSK)); } @@ -1620,6 +1679,104 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba) return 0; } +static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no, + struct sas_phy_linkrates *r) +{ + u32 prog_phy_link_rate = + hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE); + struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; + struct asd_sas_phy *sas_phy = &phy->sas_phy; + int i; + enum sas_linkrate min, max; + u32 rate_mask = 0; + + if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) { + max = sas_phy->phy->maximum_linkrate; + min = r->minimum_linkrate; + } else if (r->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) { + max = r->maximum_linkrate; + min = sas_phy->phy->minimum_linkrate; + } else + return; + + sas_phy->phy->maximum_linkrate = max; + sas_phy->phy->minimum_linkrate = min; + + min -= SAS_LINK_RATE_1_5_GBPS; + max -= SAS_LINK_RATE_1_5_GBPS; + + for (i = 0; i <= max; i++) + rate_mask |= 1 << (i * 2); + + prog_phy_link_rate &= ~0xff; + prog_phy_link_rate |= rate_mask; + + hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, + prog_phy_link_rate); + + phy_hard_reset_v3_hw(hisi_hba, phy_no); +} + +static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba) +{ + struct pci_dev *pdev = hisi_hba->pci_dev; + int i; + + synchronize_irq(pci_irq_vector(pdev, 1)); + synchronize_irq(pci_irq_vector(pdev, 2)); + synchronize_irq(pci_irq_vector(pdev, 11)); + for (i = 0; i < hisi_hba->queue_count; i++) { + hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1); + synchronize_irq(pci_irq_vector(pdev, i + 16)); + } + + hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff); + hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff); + hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff); + hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff); + + for (i = 0; i < hisi_hba->n_phy; i++) { + hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff); + hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff); + hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x1); + hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x1); + hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x1); + } +} + +static u32 get_phys_state_v3_hw(struct hisi_hba *hisi_hba) +{ + return hisi_sas_read32(hisi_hba, PHY_STATE); +} + +static int soft_reset_v3_hw(struct hisi_hba *hisi_hba) +{ + struct device *dev = hisi_hba->dev; + int rc; + u32 status; + + interrupt_disable_v3_hw(hisi_hba); + hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0); + + hisi_sas_stop_phys(hisi_hba); + + mdelay(10); + + hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1); + + /* wait until bus idle */ + rc = readl_poll_timeout(hisi_hba->regs + AXI_MASTER_CFG_BASE + + AM_CURR_TRANS_RETURN, status, status == 0x3, 10, 100); + if (rc) { + dev_err(dev, "axi bus is not idle, rc = %d\n", rc); + return rc; + } + + hisi_sas_init_mem(hisi_hba); + + return hw_init_v3_hw(hisi_hba); +} + static const struct hisi_sas_hw hisi_sas_v3_hw = { .hw_init = hisi_sas_v3_init, .setup_itct = setup_itct_v3_hw, @@ -1640,7 +1797,10 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = { .phy_disable = disable_phy_v3_hw, .phy_hard_reset = phy_hard_reset_v3_hw, .phy_get_max_linkrate = phy_get_max_linkrate_v3_hw, + .phy_set_linkrate = phy_set_linkrate_v3_hw, .dereg_device = dereg_device_v3_hw, + .soft_reset = soft_reset_v3_hw, + .get_phys_state = get_phys_state_v3_hw, }; static struct Scsi_Host * @@ -1651,8 +1811,10 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev) struct device *dev = &pdev->dev; shost = scsi_host_alloc(hisi_sas_sht, sizeof(*hisi_hba)); - if (!shost) - goto err_out; + if (!shost) { + dev_err(dev, "shost alloc failed\n"); + return NULL; + } hisi_hba = shost_priv(shost); hisi_hba->hw = &hisi_sas_v3_hw; @@ -1673,6 +1835,7 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev) return shost; err_out: + scsi_host_put(shost); dev_err(dev, "shost alloc failed\n"); return NULL; } @@ -1781,7 +1944,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) err_out_register_ha: scsi_remove_host(shost); err_out_ha: - kfree(shost); + scsi_host_put(shost); err_out_regions: pci_release_regions(pdev); err_out_disable_device: @@ -1801,6 +1964,7 @@ hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba) struct hisi_sas_cq *cq = &hisi_hba->cq[i]; free_irq(pci_irq_vector(pdev, i+16), cq); + tasklet_kill(&cq->tasklet); } pci_free_irq_vectors(pdev); } @@ -1810,14 +1974,16 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev) struct device *dev = &pdev->dev; struct sas_ha_struct *sha = dev_get_drvdata(dev); struct hisi_hba *hisi_hba = sha->lldd_ha; + struct Scsi_Host *shost = sha->core.shost; sas_unregister_ha(sha); sas_remove_host(sha->core.shost); - hisi_sas_free(hisi_hba); hisi_sas_v3_destroy_irqs(pdev, hisi_hba); pci_release_regions(pdev); pci_disable_device(pdev); + hisi_sas_free(hisi_hba); + scsi_host_put(shost); } enum { @@ -1839,7 +2005,6 @@ static struct pci_driver sas_v3_pci_driver = { module_pci_driver(sas_v3_pci_driver); -MODULE_VERSION(DRV_VERSION); MODULE_LICENSE("GPL"); MODULE_AUTHOR("John Garry <john.garry@huawei.com>"); MODULE_DESCRIPTION("HISILICON SAS controller v3 hw driver based on pci device"); diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 4f7cdb28bd38..9abe81021484 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -81,11 +81,8 @@ MODULE_DESCRIPTION("Driver for HP Smart Array Controller version " \ MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers"); MODULE_VERSION(HPSA_DRIVER_VERSION); MODULE_LICENSE("GPL"); +MODULE_ALIAS("cciss"); -static int hpsa_allow_any; -module_param(hpsa_allow_any, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(hpsa_allow_any, - "Allow hpsa driver to access unknown HP Smart Array hardware"); static int hpsa_simple_mode; module_param(hpsa_simple_mode, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(hpsa_simple_mode, @@ -148,6 +145,8 @@ static const struct pci_device_id hpsa_pci_device_id[] = { {PCI_VENDOR_ID_HP, 0x333f, 0x103c, 0x333f}, {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, + {PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, {0,} }; @@ -158,6 +157,26 @@ MODULE_DEVICE_TABLE(pci, hpsa_pci_device_id); * access = Address of the struct of function pointers */ static struct board_type products[] = { + {0x40700E11, "Smart Array 5300", &SA5A_access}, + {0x40800E11, "Smart Array 5i", &SA5B_access}, + {0x40820E11, "Smart Array 532", &SA5B_access}, + {0x40830E11, "Smart Array 5312", &SA5B_access}, + {0x409A0E11, "Smart Array 641", &SA5A_access}, + {0x409B0E11, "Smart Array 642", &SA5A_access}, + {0x409C0E11, "Smart Array 6400", &SA5A_access}, + {0x409D0E11, "Smart Array 6400 EM", &SA5A_access}, + {0x40910E11, "Smart Array 6i", &SA5A_access}, + {0x3225103C, "Smart Array P600", &SA5A_access}, + {0x3223103C, "Smart Array P800", &SA5A_access}, + {0x3234103C, "Smart Array P400", &SA5A_access}, + {0x3235103C, "Smart Array P400i", &SA5A_access}, + {0x3211103C, "Smart Array E200i", &SA5A_access}, + {0x3212103C, "Smart Array E200", &SA5A_access}, + {0x3213103C, "Smart Array E200i", &SA5A_access}, + {0x3214103C, "Smart Array E200i", &SA5A_access}, + {0x3215103C, "Smart Array E200i", &SA5A_access}, + {0x3237103C, "Smart Array E500", &SA5A_access}, + {0x323D103C, "Smart Array P700m", &SA5A_access}, {0x3241103C, "Smart Array P212", &SA5_access}, {0x3243103C, "Smart Array P410", &SA5_access}, {0x3245103C, "Smart Array P410i", &SA5_access}, @@ -278,7 +297,8 @@ static int hpsa_find_cfg_addrs(struct pci_dev *pdev, void __iomem *vaddr, u64 *cfg_offset); static int hpsa_pci_find_memory_BAR(struct pci_dev *pdev, unsigned long *memory_bar); -static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id); +static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id, + bool *legacy_board); static int wait_for_device_to_become_ready(struct ctlr_info *h, unsigned char lunaddr[], int reply_queue); @@ -866,6 +886,16 @@ static ssize_t host_show_ctlr_num(struct device *dev, return snprintf(buf, 20, "%d\n", h->ctlr); } +static ssize_t host_show_legacy_board(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ctlr_info *h; + struct Scsi_Host *shost = class_to_shost(dev); + + h = shost_to_hba(shost); + return snprintf(buf, 20, "%d\n", h->legacy_board ? 1 : 0); +} + static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL); static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL); static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL); @@ -891,6 +921,8 @@ static DEVICE_ATTR(lockup_detected, S_IRUGO, host_show_lockup_detected, NULL); static DEVICE_ATTR(ctlr_num, S_IRUGO, host_show_ctlr_num, NULL); +static DEVICE_ATTR(legacy_board, S_IRUGO, + host_show_legacy_board, NULL); static struct device_attribute *hpsa_sdev_attrs[] = { &dev_attr_raid_level, @@ -912,6 +944,7 @@ static struct device_attribute *hpsa_shost_attrs[] = { &dev_attr_raid_offload_debug, &dev_attr_lockup_detected, &dev_attr_ctlr_num, + &dev_attr_legacy_board, NULL, }; @@ -3565,7 +3598,7 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical, memset(scsi3addr, 0, sizeof(scsi3addr)); if (fill_cmd(c, logical ? HPSA_REPORT_LOG : HPSA_REPORT_PHYS, h, buf, bufsize, 0, scsi3addr, TYPE_CMD)) { - rc = -1; + rc = -EAGAIN; goto out; } if (extended_response) @@ -3578,16 +3611,19 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical, if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { hpsa_scsi_interpret_error(h, c); - rc = -1; + rc = -EIO; } else { struct ReportLUNdata *rld = buf; if (rld->extended_response_flag != extended_response) { - dev_err(&h->pdev->dev, - "report luns requested format %u, got %u\n", - extended_response, - rld->extended_response_flag); - rc = -1; + if (!h->legacy_board) { + dev_err(&h->pdev->dev, + "report luns requested format %u, got %u\n", + extended_response, + rld->extended_response_flag); + rc = -EINVAL; + } else + rc = -EOPNOTSUPP; } } out: @@ -3603,7 +3639,7 @@ static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h, rc = hpsa_scsi_do_report_luns(h, 0, buf, bufsize, HPSA_REPORT_PHYS_EXTENDED); - if (!rc || !hpsa_allow_any) + if (!rc || rc != -EOPNOTSUPP) return rc; /* REPORT PHYS EXTENDED is not supported */ @@ -3791,7 +3827,7 @@ static int hpsa_update_device_info(struct ctlr_info *h, memset(this_device->device_id, 0, sizeof(this_device->device_id)); if (hpsa_get_device_id(h, scsi3addr, this_device->device_id, 8, - sizeof(this_device->device_id))) + sizeof(this_device->device_id)) < 0) dev_err(&h->pdev->dev, "hpsa%d: %s: can't get device id for host %d:C0:T%d:L%d\t%s\t%.16s\n", h->ctlr, __func__, @@ -3809,6 +3845,16 @@ static int hpsa_update_device_info(struct ctlr_info *h, if (h->fw_support & MISC_FW_RAID_OFFLOAD_BASIC) hpsa_get_ioaccel_status(h, scsi3addr, this_device); volume_offline = hpsa_volume_offline(h, scsi3addr); + if (volume_offline == HPSA_VPD_LV_STATUS_UNSUPPORTED && + h->legacy_board) { + /* + * Legacy boards might not support volume status + */ + dev_info(&h->pdev->dev, + "C0:T%d:L%d Volume status not available, assuming online.\n", + this_device->target, this_device->lun); + volume_offline = 0; + } this_device->volume_offline = volume_offline; if (volume_offline == HPSA_LV_FAILED) { rc = HPSA_LV_FAILED; @@ -6571,7 +6617,6 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h, default: dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd); BUG(); - return -1; } } else if (cmd_type == TYPE_MSG) { switch (cmd) { @@ -7232,7 +7277,8 @@ static int hpsa_interrupt_mode(struct ctlr_info *h) return 0; } -static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id) +static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id, + bool *legacy_board) { int i; u32 subsystem_vendor_id, subsystem_device_id; @@ -7242,17 +7288,24 @@ static int hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id) *board_id = ((subsystem_device_id << 16) & 0xffff0000) | subsystem_vendor_id; + if (legacy_board) + *legacy_board = false; for (i = 0; i < ARRAY_SIZE(products); i++) - if (*board_id == products[i].board_id) + if (*board_id == products[i].board_id) { + if (products[i].access != &SA5A_access && + products[i].access != &SA5B_access) + return i; + dev_warn(&pdev->dev, + "legacy board ID: 0x%08x\n", + *board_id); + if (legacy_board) + *legacy_board = true; return i; + } - if ((subsystem_vendor_id != PCI_VENDOR_ID_HP && - subsystem_vendor_id != PCI_VENDOR_ID_COMPAQ) || - !hpsa_allow_any) { - dev_warn(&pdev->dev, "unrecognized board ID: " - "0x%08x, ignoring.\n", *board_id); - return -ENODEV; - } + dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x\n", *board_id); + if (legacy_board) + *legacy_board = true; return ARRAY_SIZE(products) - 1; /* generic unknown smart array */ } @@ -7555,13 +7608,14 @@ static void hpsa_free_pci_init(struct ctlr_info *h) static int hpsa_pci_init(struct ctlr_info *h) { int prod_index, err; + bool legacy_board; - prod_index = hpsa_lookup_board_id(h->pdev, &h->board_id); + prod_index = hpsa_lookup_board_id(h->pdev, &h->board_id, &legacy_board); if (prod_index < 0) return prod_index; h->product_name = products[prod_index].product_name; h->access = *(products[prod_index].access); - + h->legacy_board = legacy_board; pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); @@ -8241,7 +8295,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (number_of_controllers == 0) printk(KERN_INFO DRIVER_NAME "\n"); - rc = hpsa_lookup_board_id(pdev, &board_id); + rc = hpsa_lookup_board_id(pdev, &board_id, NULL); if (rc < 0) { dev_warn(&pdev->dev, "Board ID not found\n"); return rc; @@ -9443,14 +9497,6 @@ hpsa_sas_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) return -EINVAL; } -/* SMP = Serial Management Protocol */ -static int -hpsa_sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, -struct request *req) -{ - return -EINVAL; -} - static struct sas_function_template hpsa_sas_transport_functions = { .get_linkerrors = hpsa_sas_get_linkerrors, .get_enclosure_identifier = hpsa_sas_get_enclosure_identifier, @@ -9460,7 +9506,6 @@ static struct sas_function_template hpsa_sas_transport_functions = { .phy_setup = hpsa_sas_phy_setup, .phy_release = hpsa_sas_phy_release, .set_phy_speed = hpsa_sas_phy_speed, - .smp_handler = hpsa_sas_smp_handler, }; /* diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 1c49741bc639..018f980a701c 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -293,6 +293,7 @@ struct ctlr_info { int drv_req_rescan; int raid_offload_debug; int discovery_polling; + int legacy_board; struct ReportLUNdata *lastlogicals; int needs_abort_tags_swizzled; struct workqueue_struct *resubmit_wq; @@ -447,6 +448,23 @@ static void SA5_intr_mask(struct ctlr_info *h, unsigned long val) } } +/* + * Variant of the above; 0x04 turns interrupts off... + */ +static void SA5B_intr_mask(struct ctlr_info *h, unsigned long val) +{ + if (val) { /* Turn interrupts on */ + h->interrupts_enabled = 1; + writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } else { /* Turn them off */ + h->interrupts_enabled = 0; + writel(SA5B_INTR_OFF, + h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + (void) readl(h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } +} + static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val) { if (val) { /* turn on interrupts */ @@ -549,6 +567,14 @@ static bool SA5_ioaccel_mode1_intr_pending(struct ctlr_info *h) true : false; } +/* + * Returns true if an interrupt is pending.. + */ +static bool SA5B_intr_pending(struct ctlr_info *h) +{ + return readl(h->vaddr + SA5_INTR_STATUS) & SA5B_INTR_PENDING; +} + #define IOACCEL_MODE1_REPLY_QUEUE_INDEX 0x1A0 #define IOACCEL_MODE1_PRODUCER_INDEX 0x1B8 #define IOACCEL_MODE1_CONSUMER_INDEX 0x1BC @@ -581,38 +607,53 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q) } static struct access_method SA5_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5_intr_mask, - .intr_pending = SA5_intr_pending, - .command_completed = SA5_completed, + .submit_command = SA5_submit_command, + .set_intr_mask = SA5_intr_mask, + .intr_pending = SA5_intr_pending, + .command_completed = SA5_completed, +}; + +/* Duplicate entry of the above to mark unsupported boards */ +static struct access_method SA5A_access = { + .submit_command = SA5_submit_command, + .set_intr_mask = SA5_intr_mask, + .intr_pending = SA5_intr_pending, + .command_completed = SA5_completed, +}; + +static struct access_method SA5B_access = { + .submit_command = SA5_submit_command, + .set_intr_mask = SA5B_intr_mask, + .intr_pending = SA5B_intr_pending, + .command_completed = SA5_completed, }; static struct access_method SA5_ioaccel_mode1_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5_performant_intr_mask, - .intr_pending = SA5_ioaccel_mode1_intr_pending, - .command_completed = SA5_ioaccel_mode1_completed, + .submit_command = SA5_submit_command, + .set_intr_mask = SA5_performant_intr_mask, + .intr_pending = SA5_ioaccel_mode1_intr_pending, + .command_completed = SA5_ioaccel_mode1_completed, }; static struct access_method SA5_ioaccel_mode2_access = { - .submit_command = SA5_submit_command_ioaccel2, - .set_intr_mask = SA5_performant_intr_mask, - .intr_pending = SA5_performant_intr_pending, - .command_completed = SA5_performant_completed, + .submit_command = SA5_submit_command_ioaccel2, + .set_intr_mask = SA5_performant_intr_mask, + .intr_pending = SA5_performant_intr_pending, + .command_completed = SA5_performant_completed, }; static struct access_method SA5_performant_access = { - .submit_command = SA5_submit_command, - .set_intr_mask = SA5_performant_intr_mask, - .intr_pending = SA5_performant_intr_pending, - .command_completed = SA5_performant_completed, + .submit_command = SA5_submit_command, + .set_intr_mask = SA5_performant_intr_mask, + .intr_pending = SA5_performant_intr_pending, + .command_completed = SA5_performant_completed, }; static struct access_method SA5_performant_access_no_read = { - .submit_command = SA5_submit_command_no_read, - .set_intr_mask = SA5_performant_intr_mask, - .intr_pending = SA5_performant_intr_pending, - .command_completed = SA5_performant_completed, + .submit_command = SA5_submit_command_no_read, + .set_intr_mask = SA5_performant_intr_mask, + .intr_pending = SA5_performant_intr_pending, + .command_completed = SA5_performant_completed, }; struct board_type { diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c index 7226226f7383..2fad7f03aa02 100644 --- a/drivers/scsi/hptiop.c +++ b/drivers/scsi/hptiop.c @@ -1106,12 +1106,10 @@ static int hptiop_reset_hba(struct hptiop_hba *hba) static int hptiop_reset(struct scsi_cmnd *scp) { - struct Scsi_Host * host = scp->device->host; - struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata; + struct hptiop_hba * hba = (struct hptiop_hba *)scp->device->host->hostdata; - printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n", - scp->device->host->host_no, scp->device->channel, - scp->device->id, scp); + printk(KERN_WARNING "hptiop_reset(%d/%d/%d)\n", + scp->device->host->host_no, -1, -1); return hptiop_reset_hba(hba)? FAILED : SUCCESS; } @@ -1179,8 +1177,7 @@ static struct scsi_host_template driver_template = { .module = THIS_MODULE, .name = driver_name, .queuecommand = hptiop_queuecommand, - .eh_device_reset_handler = hptiop_reset, - .eh_bus_reset_handler = hptiop_reset, + .eh_host_reset_handler = hptiop_reset, .info = hptiop_info, .emulated = 0, .use_clustering = ENABLE_CLUSTERING, diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index cc4e05be8d4a..b491af31a5f8 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -2528,16 +2528,12 @@ static int ibmvfc_eh_target_reset_handler(struct scsi_cmnd *cmd) **/ static int ibmvfc_eh_host_reset_handler(struct scsi_cmnd *cmd) { - int rc, block_rc; + int rc; struct ibmvfc_host *vhost = shost_priv(cmd->device->host); - block_rc = fc_block_scsi_eh(cmd); dev_err(vhost->dev, "Resetting connection due to error recovery\n"); rc = ibmvfc_issue_fc_host_lip(vhost->host); - if (block_rc == FAST_IO_FAIL) - return FAST_IO_FAIL; - return rc ? FAILED : SUCCESS; } @@ -4929,7 +4925,7 @@ static unsigned long ibmvfc_get_desired_dma(struct vio_dev *vdev) return pool_dma + ((512 * 1024) * driver_template.cmd_per_lun); } -static struct vio_device_id ibmvfc_device_table[] = { +static const struct vio_device_id ibmvfc_device_table[] = { {"fcp", "IBM,vfc-client"}, { "", "" } }; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index da22b3665cb0..7d156b161482 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -2330,7 +2330,7 @@ static int ibmvscsi_resume(struct device *dev) * ibmvscsi_device_table: Used by vio.c to match devices in the device tree we * support. */ -static struct vio_device_id ibmvscsi_device_table[] = { +static const struct vio_device_id ibmvscsi_device_table[] = { {"vscsi", "IBM,v-scsi"}, { "", "" } }; diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index 1f75d0380516..785fb42f6650 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -4086,7 +4086,7 @@ static struct class ibmvscsis_class = { .dev_groups = ibmvscsis_dev_groups, }; -static struct vio_device_id ibmvscsis_device_table[] = { +static const struct vio_device_id ibmvscsis_device_table[] = { { "v-scsi-host", "IBM,v-scsi-host" }, { "", "" } }; diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 9164ce1249c1..87c94191033b 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -1106,7 +1106,6 @@ static struct scsi_host_template imm_template = { .name = "Iomega VPI2 (imm) interface", .queuecommand = imm_queuecommand, .eh_abort_handler = imm_abort, - .eh_bus_reset_handler = imm_reset, .eh_host_reset_handler = imm_reset, .bios_param = imm_biosparam, .this_id = 7, diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 45371179ab87..922e3e56c90d 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -166,7 +166,7 @@ static struct scsi_host_template isci_sht = { .use_clustering = ENABLE_CLUSTERING, .eh_abort_handler = sas_eh_abort_handler, .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .eh_target_reset_handler = sas_eh_target_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = isci_host_attrs, diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 4842fc0e809d..4d934d6c3e13 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -163,7 +163,6 @@ static void iscsi_sw_tcp_state_change(struct sock *sk) struct iscsi_tcp_conn *tcp_conn; struct iscsi_sw_tcp_conn *tcp_sw_conn; struct iscsi_conn *conn; - struct iscsi_session *session; void (*old_state_change)(struct sock *); read_lock_bh(&sk->sk_callback_lock); @@ -172,7 +171,6 @@ static void iscsi_sw_tcp_state_change(struct sock *sk) read_unlock_bh(&sk->sk_callback_lock); return; } - session = conn->session; iscsi_sw_sk_state_check(sk); diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 234352da5c3c..772c35a5c49e 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -2222,8 +2222,6 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd) FC_SCSI_DBG(lport, "Resetting host\n"); - fc_block_scsi_eh(sc_cmd); - fc_lport_reset(lport); wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT; while (!fc_fcp_lport_queue_ready(lport) && time_before(jiffies, diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 42381adf0769..bd4605a34f54 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1078,7 +1078,7 @@ static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr, if (opcode != ISCSI_OP_NOOP_OUT) return 0; - if (rejected_pdu.itt == cpu_to_be32(ISCSI_RESERVED_TAG)) { + if (rejected_pdu.itt == cpu_to_be32(ISCSI_RESERVED_TAG)) { /* * nop-out in response to target's nop-out rejected. * Just resend. diff --git a/drivers/scsi/libsas/Kconfig b/drivers/scsi/libsas/Kconfig index 9dafe64e7c7a..13739bfacc67 100644 --- a/drivers/scsi/libsas/Kconfig +++ b/drivers/scsi/libsas/Kconfig @@ -26,6 +26,7 @@ config SCSI_SAS_LIBSAS tristate "SAS Domain Transport Attributes" depends on SCSI select SCSI_SAS_ATTRS + select BLK_DEV_BSGLIB help This provides transport specific helpers for SAS drivers which use the domain device construct (like the aic94xxx). diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 87f5e694dbed..70be4425ae0b 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -343,6 +343,7 @@ static int smp_ata_check_ready(struct ata_link *link) case SAS_END_DEVICE: if (ex_phy->attached_sata_dev) return sas_ata_clear_pending(dev, ex_phy); + /* fall through */ default: return -ENODEV; } diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 570b2cb2da43..6b4fd2375178 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -64,8 +64,8 @@ static void smp_task_done(struct sas_task *task) /* Give it some long enough timeout. In seconds. */ #define SMP_TIMEOUT 10 -static int smp_execute_task(struct domain_device *dev, void *req, int req_size, - void *resp, int resp_size) +static int smp_execute_task_sg(struct domain_device *dev, + struct scatterlist *req, struct scatterlist *resp) { int res, retry; struct sas_task *task = NULL; @@ -86,8 +86,8 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, } task->dev = dev; task->task_proto = dev->tproto; - sg_init_one(&task->smp_task.smp_req, req, req_size); - sg_init_one(&task->smp_task.smp_resp, resp, resp_size); + task->smp_task.smp_req = *req; + task->smp_task.smp_resp = *resp; task->task_done = smp_task_done; @@ -151,6 +151,17 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, return res; } +static int smp_execute_task(struct domain_device *dev, void *req, int req_size, + void *resp, int resp_size) +{ + struct scatterlist req_sg; + struct scatterlist resp_sg; + + sg_init_one(&req_sg, req, req_size); + sg_init_one(&resp_sg, resp, resp_size); + return smp_execute_task_sg(dev, &req_sg, &resp_sg); +} + /* ---------- Allocations ---------- */ static inline void *alloc_smp_req(int size) @@ -2130,57 +2141,50 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) return res; } -int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, - struct request *req) +void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, + struct sas_rphy *rphy) { struct domain_device *dev; - int ret, type; - struct request *rsp = req->next_rq; - - if (!rsp) { - printk("%s: space for a smp response is missing\n", - __func__); - return -EINVAL; - } + unsigned int reslen = 0; + int ret = -EINVAL; /* no rphy means no smp target support (ie aic94xx host) */ if (!rphy) - return sas_smp_host_handler(shost, req, rsp); - - type = rphy->identify.device_type; + return sas_smp_host_handler(job, shost); - if (type != SAS_EDGE_EXPANDER_DEVICE && - type != SAS_FANOUT_EXPANDER_DEVICE) { + switch (rphy->identify.device_type) { + case SAS_EDGE_EXPANDER_DEVICE: + case SAS_FANOUT_EXPANDER_DEVICE: + break; + default: printk("%s: can we send a smp request to a device?\n", __func__); - return -EINVAL; + goto out; } dev = sas_find_dev_by_rphy(rphy); if (!dev) { printk("%s: fail to find a domain_device?\n", __func__); - return -EINVAL; + goto out; } /* do we need to support multiple segments? */ - if (bio_multiple_segments(req->bio) || - bio_multiple_segments(rsp->bio)) { + if (job->request_payload.sg_cnt > 1 || + job->reply_payload.sg_cnt > 1) { printk("%s: multiple segments req %u, rsp %u\n", - __func__, blk_rq_bytes(req), blk_rq_bytes(rsp)); - return -EINVAL; + __func__, job->request_payload.payload_len, + job->reply_payload.payload_len); + goto out; } - ret = smp_execute_task(dev, bio_data(req->bio), blk_rq_bytes(req), - bio_data(rsp->bio), blk_rq_bytes(rsp)); + ret = smp_execute_task_sg(dev, job->request_payload.sg_list, + job->reply_payload.sg_list); if (ret > 0) { /* positive number is the untransferred residual */ - scsi_req(rsp)->resid_len = ret; - scsi_req(req)->resid_len = 0; + reslen = ret; ret = 0; - } else if (ret == 0) { - scsi_req(rsp)->resid_len = 0; - scsi_req(req)->resid_len = 0; } - return ret; +out: + bsg_job_done(job, ret, reslen); } diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c index 45cbbc44f4d7..9ead93df3a6e 100644 --- a/drivers/scsi/libsas/sas_host_smp.c +++ b/drivers/scsi/libsas/sas_host_smp.c @@ -225,47 +225,36 @@ static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id, resp_data[2] = SMP_RESP_FUNC_ACC; } -int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, - struct request *rsp) +void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost) { - u8 *req_data = NULL, *resp_data = NULL, *buf; struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + u8 *req_data, *resp_data; + unsigned int reslen = 0; int error = -EINVAL; /* eight is the minimum size for request and response frames */ - if (blk_rq_bytes(req) < 8 || blk_rq_bytes(rsp) < 8) + if (job->request_payload.payload_len < 8 || + job->reply_payload.payload_len < 8) goto out; - if (bio_offset(req->bio) + blk_rq_bytes(req) > PAGE_SIZE || - bio_offset(rsp->bio) + blk_rq_bytes(rsp) > PAGE_SIZE) { - shost_printk(KERN_ERR, shost, - "SMP request/response frame crosses page boundary"); + error = -ENOMEM; + req_data = kzalloc(job->request_payload.payload_len, GFP_KERNEL); + if (!req_data) goto out; - } - - req_data = kzalloc(blk_rq_bytes(req), GFP_KERNEL); + sg_copy_to_buffer(job->request_payload.sg_list, + job->request_payload.sg_cnt, req_data, + job->request_payload.payload_len); /* make sure frame can always be built ... we copy * back only the requested length */ - resp_data = kzalloc(max(blk_rq_bytes(rsp), 128U), GFP_KERNEL); - - if (!req_data || !resp_data) { - error = -ENOMEM; - goto out; - } - - local_irq_disable(); - buf = kmap_atomic(bio_page(req->bio)); - memcpy(req_data, buf, blk_rq_bytes(req)); - kunmap_atomic(buf - bio_offset(req->bio)); - local_irq_enable(); + resp_data = kzalloc(max(job->reply_payload.payload_len, 128U), + GFP_KERNEL); + if (!resp_data) + goto out_free_req; + error = -EINVAL; if (req_data[0] != SMP_REQUEST) - goto out; - - /* always succeeds ... even if we can't process the request - * the result is in the response frame */ - error = 0; + goto out_free_resp; /* set up default don't know response */ resp_data[0] = SMP_RESPONSE; @@ -274,20 +263,18 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, switch (req_data[1]) { case SMP_REPORT_GENERAL: - scsi_req(req)->resid_len -= 8; - scsi_req(rsp)->resid_len -= 32; resp_data[2] = SMP_RESP_FUNC_ACC; resp_data[9] = sas_ha->num_phys; + reslen = 32; break; case SMP_REPORT_MANUF_INFO: - scsi_req(req)->resid_len -= 8; - scsi_req(rsp)->resid_len -= 64; resp_data[2] = SMP_RESP_FUNC_ACC; memcpy(resp_data + 12, shost->hostt->name, SAS_EXPANDER_VENDOR_ID_LEN); memcpy(resp_data + 20, "libsas virt phy", SAS_EXPANDER_PRODUCT_ID_LEN); + reslen = 64; break; case SMP_READ_GPIO_REG: @@ -295,14 +282,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_DISCOVER: - scsi_req(req)->resid_len -= 16; - if ((int)scsi_req(req)->resid_len < 0) { - scsi_req(req)->resid_len = 0; - error = -EINVAL; - goto out; - } - scsi_req(rsp)->resid_len -= 56; + if (job->request_payload.payload_len < 16) + goto out_free_resp; sas_host_smp_discover(sas_ha, resp_data, req_data[9]); + reslen = 56; break; case SMP_REPORT_PHY_ERR_LOG: @@ -311,14 +294,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_REPORT_PHY_SATA: - scsi_req(req)->resid_len -= 16; - if ((int)scsi_req(req)->resid_len < 0) { - scsi_req(req)->resid_len = 0; - error = -EINVAL; - goto out; - } - scsi_req(rsp)->resid_len -= 60; + if (job->request_payload.payload_len < 16) + goto out_free_resp; sas_report_phy_sata(sas_ha, resp_data, req_data[9]); + reslen = 60; break; case SMP_REPORT_ROUTE_INFO: @@ -330,16 +309,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, const int base_frame_size = 11; int to_write = req_data[4]; - if (blk_rq_bytes(req) < base_frame_size + to_write * 4 || - scsi_req(req)->resid_len < base_frame_size + to_write * 4) { + if (job->request_payload.payload_len < + base_frame_size + to_write * 4) { resp_data[2] = SMP_RESP_INV_FRM_LEN; break; } to_write = sas_host_smp_write_gpio(sas_ha, resp_data, req_data[2], req_data[3], to_write, &req_data[8]); - scsi_req(req)->resid_len -= base_frame_size + to_write * 4; - scsi_req(rsp)->resid_len -= 8; + reslen = 8; break; } @@ -348,16 +326,12 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_PHY_CONTROL: - scsi_req(req)->resid_len -= 44; - if ((int)scsi_req(req)->resid_len < 0) { - scsi_req(req)->resid_len = 0; - error = -EINVAL; - goto out; - } - scsi_req(rsp)->resid_len -= 8; + if (job->request_payload.payload_len < 44) + goto out_free_resp; sas_phy_control(sas_ha, req_data[9], req_data[10], req_data[32] >> 4, req_data[33] >> 4, resp_data); + reslen = 8; break; case SMP_PHY_TEST_FUNCTION: @@ -369,15 +343,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; } - local_irq_disable(); - buf = kmap_atomic(bio_page(rsp->bio)); - memcpy(buf, resp_data, blk_rq_bytes(rsp)); - flush_kernel_dcache_page(bio_page(rsp->bio)); - kunmap_atomic(buf - bio_offset(rsp->bio)); - local_irq_enable(); + sg_copy_from_buffer(job->reply_payload.sg_list, + job->reply_payload.sg_cnt, resp_data, + job->reply_payload.payload_len); - out: - kfree(req_data); + error = 0; +out_free_resp: kfree(resp_data); - return error; +out_free_req: + kfree(req_data); +out: + bsg_job_done(job, error, reslen); } diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index a216c957b639..c07e08136491 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -81,6 +81,8 @@ int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw); int sas_notify_lldd_dev_found(struct domain_device *); void sas_notify_lldd_dev_gone(struct domain_device *); +void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, + struct sas_rphy *rphy); int sas_smp_phy_control(struct domain_device *dev, int phy_id, enum phy_func phy_func, struct sas_phy_linkrates *); int sas_smp_get_phy_events(struct sas_phy *phy); @@ -98,16 +100,14 @@ void sas_hae_reset(struct work_struct *work); void sas_free_device(struct kref *kref); #ifdef CONFIG_SCSI_SAS_HOST_SMP -extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, - struct request *rsp); +extern void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost); #else -static inline int sas_smp_host_handler(struct Scsi_Host *shost, - struct request *req, - struct request *rsp) +static inline void sas_smp_host_handler(struct bsg_job *job, + struct Scsi_Host *shost) { shost_printk(KERN_ERR, shost, "Cannot send SMP to a sas host (not enabled in CONFIG)\n"); - return -EINVAL; + bsg_job_done(job, -EINVAL, 0); } #endif diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 87e5079d816b..ea8ad06ff582 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -526,7 +526,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd) return FAILED; } -int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd) +int sas_eh_target_reset_handler(struct scsi_cmnd *cmd) { int res; struct Scsi_Host *host = cmd->device->host; @@ -554,15 +554,15 @@ static int try_to_reset_cmd_device(struct scsi_cmnd *cmd) struct Scsi_Host *shost = cmd->device->host; if (!shost->hostt->eh_device_reset_handler) - goto try_bus_reset; + goto try_target_reset; res = shost->hostt->eh_device_reset_handler(cmd); if (res == SUCCESS) return res; -try_bus_reset: - if (shost->hostt->eh_bus_reset_handler) - return shost->hostt->eh_bus_reset_handler(cmd); +try_target_reset: + if (shost->hostt->eh_target_reset_handler) + return shost->hostt->eh_target_reset_handler(cmd); return FAILED; } @@ -855,7 +855,6 @@ int sas_target_alloc(struct scsi_target *starget) int sas_slave_configure(struct scsi_device *scsi_dev) { struct domain_device *dev = sdev_to_domain_dev(scsi_dev); - struct sas_ha_struct *sas_ha; BUG_ON(dev->rphy->identify.device_type != SAS_END_DEVICE); @@ -864,8 +863,6 @@ int sas_slave_configure(struct scsi_device *scsi_dev) return 0; } - sas_ha = dev->port->ha; - sas_read_port_mode_page(scsi_dev); if (scsi_dev->tagged_supported) { @@ -996,6 +993,6 @@ EXPORT_SYMBOL_GPL(sas_bios_param); EXPORT_SYMBOL_GPL(sas_task_abort); EXPORT_SYMBOL_GPL(sas_phy_reset); EXPORT_SYMBOL_GPL(sas_eh_device_reset_handler); -EXPORT_SYMBOL_GPL(sas_eh_bus_reset_handler); +EXPORT_SYMBOL_GPL(sas_eh_target_reset_handler); EXPORT_SYMBOL_GPL(sas_target_destroy); EXPORT_SYMBOL_GPL(sas_ioctl); diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 562dc0139735..8eb3f96fe068 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -733,7 +733,6 @@ struct lpfc_hba { uint32_t fc_rttov; /* R_T_TOV timer value */ uint32_t fc_altov; /* AL_TOV timer value */ uint32_t fc_crtov; /* C_R_TOV timer value */ - uint32_t fc_citov; /* C_I_TOV timer value */ struct serv_parm fc_fabparam; /* fabric service parameters buffer */ uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ @@ -757,6 +756,7 @@ struct lpfc_hba { #define LPFC_NVMET_MAX_PORTS 32 uint8_t mds_diags_support; uint32_t initial_imax; + uint8_t bbcredit_support; /* HBA Config Parameters */ uint32_t cfg_ack0; @@ -836,6 +836,7 @@ struct lpfc_hba { uint32_t cfg_enable_SmartSAN; uint32_t cfg_enable_mds_diags; uint32_t cfg_enable_fc4_type; + uint32_t cfg_enable_bbcr; /*Enable BB Credit Recovery*/ uint32_t cfg_xri_split; #define LPFC_ENABLE_FCP 1 #define LPFC_ENABLE_NVME 2 @@ -946,14 +947,14 @@ struct lpfc_hba { struct list_head active_rrq_list; spinlock_t hbalock; - /* pci_mem_pools */ - struct pci_pool *lpfc_sg_dma_buf_pool; - struct pci_pool *lpfc_mbuf_pool; - struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */ - struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */ - struct pci_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ - struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ - struct pci_pool *txrdy_payload_pool; + /* dma_mem_pools */ + struct dma_pool *lpfc_sg_dma_buf_pool; + struct dma_pool *lpfc_mbuf_pool; + struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ + struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ + struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ + struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ + struct dma_pool *txrdy_payload_pool; struct lpfc_dma_pool lpfc_mbuf_safety_pool; mempool_t *mbox_mem_pool; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 7ee1a94c0b33..c17677f494af 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -247,13 +247,10 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&tgtp->xmt_abort_rsp), atomic_read(&tgtp->xmt_abort_rsp_error)); - spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock); - spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); - tot = phba->sli4_hba.nvmet_xri_cnt - - (phba->sli4_hba.nvmet_ctx_get_cnt + - phba->sli4_hba.nvmet_ctx_put_cnt); - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock); + /* Calculate outstanding IOs */ + tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); + tot += atomic_read(&tgtp->xmt_fcp_release); + tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; len += snprintf(buf + len, PAGE_SIZE - len, "IO_CTX: %08x WAIT: cur %08x tot %08x\n" @@ -1894,6 +1891,36 @@ static inline bool lpfc_rangecheck(uint val, uint min, uint max) } /** + * lpfc_enable_bbcr_set: Sets an attribute value. + * @phba: pointer the the adapter structure. + * @val: integer attribute value. + * + * Description: + * Validates the min and max values then sets the + * adapter config field if in the valid range. prints error message + * and does not set the parameter if invalid. + * + * Returns: + * zero on success + * -EINVAL if val is invalid + */ +static ssize_t +lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val) +{ + if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3068 %s_enable_bbcr changed from %d to %d\n", + LPFC_DRIVER_NAME, phba->cfg_enable_bbcr, val); + phba->cfg_enable_bbcr = val; + return 0; + } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n", + LPFC_DRIVER_NAME, val); + return -EINVAL; +} + +/** * lpfc_param_show - Return a cfg attribute value in decimal * * Description: @@ -5116,6 +5143,14 @@ LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, */ LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); +/* + * lpfc_enable_bbcr: Enable BB Credit Recovery + * 0 = BB Credit Recovery disabled + * 1 = BB Credit Recovery enabled (default) + * Value range is [0,1]. Default value is 1. + */ +LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery"); + struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_nvme_info, &dev_attr_bg_info, @@ -5223,6 +5258,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_protocol, &dev_attr_lpfc_xlane_supported, &dev_attr_lpfc_enable_mds_diags, + &dev_attr_lpfc_enable_bbcr, NULL, }; @@ -6234,11 +6270,13 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size); lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); lpfc_nvme_io_channel_init(phba, lpfc_nvme_io_channel); + lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr); if (phba->sli_rev != LPFC_SLI_REV4) { /* NVME only supported on SLI4 */ phba->nvmet_support = 0; phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; + phba->cfg_enable_bbcr = 0; } else { /* We MUST have FCP support */ if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) diff --git a/drivers/scsi/lpfc/lpfc_attr.h b/drivers/scsi/lpfc/lpfc_attr.h index d56dafcdd563..931db52692f5 100644 --- a/drivers/scsi/lpfc/lpfc_attr.h +++ b/drivers/scsi/lpfc/lpfc_attr.h @@ -46,6 +46,16 @@ lpfc_param_store(name)\ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ lpfc_##name##_show, lpfc_##name##_store) +#define LPFC_BBCR_ATTR_RW(name, defval, minval, maxval, desc) \ +static uint lpfc_##name = defval;\ +module_param(lpfc_##name, uint, 0444);\ +MODULE_PARM_DESC(lpfc_##name, desc);\ +lpfc_param_show(name)\ +lpfc_param_init(name, defval, minval, maxval)\ +lpfc_param_store(name)\ +static DEVICE_ATTR(lpfc_##name, 0444 | 0644,\ + lpfc_##name##_show, lpfc_##name##_store) + #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ static uint lpfc_##name = defval;\ module_param(lpfc_##name, uint, S_IRUGO);\ diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index a1686c2d863c..fe9e1c079c20 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -2384,20 +2384,17 @@ lpfc_sli4_bsg_link_diag_test(struct bsg_job *job) goto job_error; pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!pmboxq) { - rc = -ENOMEM; + if (!pmboxq) goto link_diag_test_exit; - } req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) - sizeof(struct lpfc_sli4_cfg_mhdr)); alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE, LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE, req_len, LPFC_SLI4_MBX_EMBED); - if (alloc_len != req_len) { - rc = -ENOMEM; + if (alloc_len != req_len) goto link_diag_test_exit; - } + run_link_diag_test = &pmboxq->u.mqe.un.link_diag_test; bf_set(lpfc_mbx_run_diag_test_link_num, &run_link_diag_test->u.req, phba->sli4_hba.lnk_info.lnk_no); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index da669dce12fe..7e300734b345 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -556,9 +556,8 @@ int lpfc_nvmet_update_targetport(struct lpfc_hba *phba); void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba); void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb); -void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, - struct lpfc_sli_ring *pring, - struct rqb_dmabuf *nvmebuf, uint64_t isr_ts); +void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx, + struct rqb_dmabuf *nvmebuf, uint64_t isr_ts); void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba); void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 9c0c1463057d..33417681f5d4 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -955,7 +955,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, CTrsp = (struct lpfc_sli_ct_request *)outp->virt; fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]); fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]); - lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n", did, fc4_data_0, fc4_data_1); @@ -969,7 +969,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, ndlp->nlp_fc4_type |= NLP_FC4_FCP; if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ndlp->nlp_fc4_type |= NLP_FC4_NVME; - lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "3064 Setting ndlp %p, DID x%06x with " "FC4 x%08x, Data: x%08x x%08x\n", ndlp, did, ndlp->nlp_fc4_type, diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 744f3f395b64..d50c481ec41c 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -851,13 +851,10 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); } - spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock); - spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); - tot = phba->sli4_hba.nvmet_xri_cnt - - (phba->sli4_hba.nvmet_ctx_get_cnt + - phba->sli4_hba.nvmet_ctx_put_cnt); - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock); + /* Calculate outstanding IOs */ + tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); + tot += atomic_read(&tgtp->xmt_fcp_release); + tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; len += snprintf(buf + len, size - len, "IO_CTX: %08x WAIT: cur %08x tot %08x\n" diff --git a/drivers/scsi/lpfc/lpfc_debugfs.h b/drivers/scsi/lpfc/lpfc_debugfs.h index 7b7d314af0e0..c4edd87bfc65 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.h +++ b/drivers/scsi/lpfc/lpfc_debugfs.h @@ -478,16 +478,16 @@ lpfc_debug_dump_cq(struct lpfc_hba *phba, int qtype, int wqidx) return; for (eqidx = 0; eqidx < phba->io_channel_irqs; eqidx++) { - eq = phba->sli4_hba.hba_eq[eqidx]; - if (cq->assoc_qid == eq->queue_id) + if (cq->assoc_qid == phba->sli4_hba.hba_eq[eqidx]->queue_id) break; } if (eqidx == phba->io_channel_irqs) { pr_err("Couldn't find EQ for CQ. Using EQ[0]\n"); eqidx = 0; - eq = phba->sli4_hba.hba_eq[0]; } + eq = phba->sli4_hba.hba_eq[eqidx]; + if (qtype == DUMP_FCP || qtype == DUMP_NVME) pr_err("%s CQ: WQ[Idx:%d|Qid%d]->CQ[Idx%d|Qid%d]" "->EQ[Idx:%d|Qid:%d]:\n", diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 094c97b9e5f7..f9a566eaef04 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -159,6 +159,7 @@ struct lpfc_node_rrq { #define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */ #define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */ #define NLP_NVMET_RECOV 0x00001000 /* NVMET auditing node for recovery. */ +#define NLP_FCP_PRLI_RJT 0x00002000 /* Rport does not support FCP PRLI. */ #define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */ #define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */ #define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 6d1d6f691df4..468a66371de9 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1527,6 +1527,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, uint8_t name[sizeof(struct lpfc_name)]; uint32_t rc, keepDID = 0, keep_nlp_flag = 0; uint16_t keep_nlp_state; + struct lpfc_nvme_rport *keep_nrport = NULL; int put_node; int put_rport; unsigned long *active_rrqs_xri_bitmap = NULL; @@ -1624,6 +1625,10 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, keep_nlp_state = new_ndlp->nlp_state; lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); + /* interchange the nvme remoteport structs */ + keep_nrport = new_ndlp->nrport; + new_ndlp->nrport = ndlp->nrport; + /* Move this back to NPR state */ if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { /* The new_ndlp is replacing ndlp totally, so we need @@ -1646,6 +1651,13 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, } new_ndlp->nlp_type = ndlp->nlp_type; } + + /* Fix up the nvme rport */ + if (ndlp->nrport) { + ndlp->nrport = NULL; + lpfc_nlp_put(ndlp); + } + /* We shall actually free the ndlp with both nlp_DID and * nlp_portname fields equals 0 to avoid any ndlp on the * nodelist never to be used. @@ -1690,6 +1702,14 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, keep_nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_set_state(vport, ndlp, keep_nlp_state); + /* Previous ndlp no longer active with nvme host transport. + * Remove reference from earlier registration unless the + * nvme host took care of it. + */ + if (ndlp->nrport) + lpfc_nlp_put(ndlp); + ndlp->nrport = keep_nrport; + /* Fix up the rport accordingly */ rport = ndlp->rport; if (rport) { @@ -1966,6 +1986,7 @@ int lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) { struct lpfc_hba *phba = vport->phba; + struct Scsi_Host *shost; struct serv_parm *sp; struct lpfc_nodelist *ndlp; struct lpfc_iocbq *elsiocb; @@ -1984,6 +2005,11 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) if (!elsiocb) return 1; + shost = lpfc_shost_from_vport(vport); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_FCP_PRLI_RJT; + spin_unlock_irq(shost->host_lock); + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); /* For PLOGI request, remainder of payload is service parameters */ @@ -2007,6 +2033,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) sp->cmn.valid_vendor_ver_level = 0; memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion)); + sp->cmn.bbRcvSizeMsb &= 0xF; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue PLOGI: did:x%x", @@ -2151,6 +2178,16 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint16_t cmdsize; u32 local_nlp_type, elscmd; + /* + * If we are in RSCN mode, the FC4 types supported from a + * previous GFT_ID command may not be accurate. So, if we + * are a NVME Initiator, always look for the possibility of + * the remote NPort beng a NVME Target. + */ + if (phba->sli_rev == LPFC_SLI_REV4 && + vport->fc_flag & FC_RSCN_MODE && + vport->nvmei_support) + ndlp->nlp_fc4_type |= NLP_FC4_NVME; local_nlp_type = ndlp->nlp_fc4_type; send_next_prli: @@ -3420,8 +3457,18 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, maxretry = 3; delay = 1000; retry = 1; - break; + } else if (cmd == ELS_CMD_FLOGI && + stat.un.b.lsRjtRsnCodeExp == + LSEXP_NOTHING_MORE) { + vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf; + retry = 1; + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0820 FLOGI Failed (x%x). " + "BBCredit Not Supported\n", + stat.un.lsRjtError); } + break; + case LSRJT_PROTOCOL_ERR: if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && (cmd == ELS_CMD_FDISC) && @@ -3442,6 +3489,21 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out_retry; } break; + case LSRJT_CMD_UNSUPPORTED: + /* lpfc nvmet returns this type of LS_RJT when it + * receives an FCP PRLI because lpfc nvmet only + * support NVME. ELS request is terminated for FCP4 + * on this rport. + */ + if (stat.un.b.lsRjtRsnCodeExp == + LSEXP_REQ_UNSUPPORTED && cmd == ELS_CMD_PRLI) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_FCP_PRLI_RJT; + spin_unlock_irq(shost->host_lock); + retry = 0; + goto out_retry; + } + break; } break; @@ -3930,7 +3992,25 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (mbox) { if ((rspiocb->iocb.ulpStatus == 0) && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { - lpfc_unreg_rpi(vport, ndlp); + if (!lpfc_unreg_rpi(vport, ndlp) && + (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE)) { + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY, + "0314 PLOGI recov DID x%x " + "Data: x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_rpi, ndlp->nlp_flag); + mp = mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, + mp->phys); + kfree(mp); + } + mempool_free(mbox, phba->mbox_mem_pool); + goto out; + } + /* Increment reference count to ndlp to hold the * reference to ndlp for the callback function. */ @@ -4132,6 +4212,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, sp->cmn.valid_vendor_ver_level = 0; memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion)); + sp->cmn.bbRcvSizeMsb &= 0xF; /* If our firmware supports this feature, convey that * info to the target using the vendor specific field. @@ -7989,6 +8070,13 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, rjt_exp = LSEXP_NOTHING_MORE; break; } + + /* NVMET accepts NVME PRLI only. Reject FCP PRLI */ + if (cmd == ELS_CMD_PRLI && phba->nvmet_support) { + rjt_err = LSRJT_CMD_UNSUPPORTED; + rjt_exp = LSEXP_REQ_UNSUPPORTED; + break; + } lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); break; case ELS_CMD_LIRR: @@ -8784,6 +8872,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, pcmd += sizeof(uint32_t); /* Node Name */ pcmd += sizeof(uint32_t); /* Node Name */ memcpy(pcmd, &vport->fc_nodename, 8); + sp->cmn.valid_vendor_ver_level = 0; memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion)); lpfc_set_disctmo(vport); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index aa5e5ff56dfb..20808349a80e 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1108,6 +1108,7 @@ void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_vport *vport = pmb->vport; + uint8_t bbscn = 0; if (pmb->u.mb.mbxStatus) goto out; @@ -1134,10 +1135,17 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) /* Start discovery by sending a FLOGI. port_state is identically * LPFC_FLOGI while waiting for FLOGI cmpl */ - if (vport->port_state != LPFC_FLOGI) + if (vport->port_state != LPFC_FLOGI) { + if (phba->bbcredit_support && phba->cfg_enable_bbcr) { + bbscn = bf_get(lpfc_bbscn_def, + &phba->sli4_hba.bbscn_params); + vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf; + vport->fc_sparam.cmn.bbRcvSizeMsb |= (bbscn << 4); + } lpfc_initial_flogi(vport); - else if (vport->fc_flag & FC_PT2PT) + } else if (vport->fc_flag & FC_PT2PT) { lpfc_disc_start(vport); + } return; out: diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 26a5647e057e..bdc1f184f67a 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -2293,15 +2293,27 @@ typedef struct { uint32_t rttov; uint32_t altov; uint32_t crtov; - uint32_t citov; + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd4:19; + uint32_t cscn:1; + uint32_t bbscn:4; + uint32_t rsvd3:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t rsvd3:8; + uint32_t bbscn:4; + uint32_t cscn:1; + uint32_t rsvd4:19; +#endif + #ifdef __BIG_ENDIAN_BITFIELD uint32_t rrq_enable:1; uint32_t rrq_immed:1; - uint32_t rsvd4:29; + uint32_t rsvd5:29; uint32_t ack0_enable:1; #else /* __LITTLE_ENDIAN_BITFIELD */ uint32_t ack0_enable:1; - uint32_t rsvd4:29; + uint32_t rsvd5:29; uint32_t rrq_immed:1; uint32_t rrq_enable:1; #endif diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index bb4715705fa3..1db0a38683f4 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -2217,9 +2217,15 @@ struct lpfc_mbx_reg_vfi { uint32_t e_d_tov; uint32_t r_a_tov; uint32_t word10; -#define lpfc_reg_vfi_nport_id_SHIFT 0 -#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF -#define lpfc_reg_vfi_nport_id_WORD word10 +#define lpfc_reg_vfi_nport_id_SHIFT 0 +#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF +#define lpfc_reg_vfi_nport_id_WORD word10 +#define lpfc_reg_vfi_bbcr_SHIFT 27 +#define lpfc_reg_vfi_bbcr_MASK 0x00000001 +#define lpfc_reg_vfi_bbcr_WORD word10 +#define lpfc_reg_vfi_bbscn_SHIFT 28 +#define lpfc_reg_vfi_bbscn_MASK 0x0000000F +#define lpfc_reg_vfi_bbscn_WORD word10 }; struct lpfc_mbx_init_vpi { @@ -2646,7 +2652,16 @@ struct lpfc_mbx_read_config { #define lpfc_mbx_rd_conf_link_speed_MASK 0x0000FFFF #define lpfc_mbx_rd_conf_link_speed_WORD word6 uint32_t rsvd_7; - uint32_t rsvd_8; + uint32_t word8; +#define lpfc_mbx_rd_conf_bbscn_min_SHIFT 0 +#define lpfc_mbx_rd_conf_bbscn_min_MASK 0x0000000F +#define lpfc_mbx_rd_conf_bbscn_min_WORD word8 +#define lpfc_mbx_rd_conf_bbscn_max_SHIFT 4 +#define lpfc_mbx_rd_conf_bbscn_max_MASK 0x0000000F +#define lpfc_mbx_rd_conf_bbscn_max_WORD word8 +#define lpfc_mbx_rd_conf_bbscn_def_SHIFT 8 +#define lpfc_mbx_rd_conf_bbscn_def_MASK 0x0000000F +#define lpfc_mbx_rd_conf_bbscn_def_WORD word8 uint32_t word9; #define lpfc_mbx_rd_conf_lmt_SHIFT 0 #define lpfc_mbx_rd_conf_lmt_MASK 0x0000FFFF diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 491aa95eb0f6..7e7ae786121b 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -37,6 +37,7 @@ #include <linux/miscdevice.h> #include <linux/percpu.h> #include <linux/msi.h> +#include <linux/bitops.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -1253,6 +1254,7 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) unsigned long time_elapsed; uint32_t tick_cqe, max_cqe, val; uint64_t tot, data1, data2, data3; + struct lpfc_nvmet_tgtport *tgtp; struct lpfc_register reg_data; void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr; @@ -1281,13 +1283,11 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) /* Check outstanding IO count */ if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { if (phba->nvmet_support) { - spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock); - spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); - tot = phba->sli4_hba.nvmet_xri_cnt - - (phba->sli4_hba.nvmet_ctx_get_cnt + - phba->sli4_hba.nvmet_ctx_put_cnt); - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock); + tgtp = phba->targetport->private; + /* Calculate outstanding IOs */ + tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); + tot += atomic_read(&tgtp->xmt_fcp_release); + tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; } else { tot = atomic_read(&phba->fc4NvmeIoCmpls); data1 = atomic_read( @@ -3048,7 +3048,7 @@ lpfc_online(struct lpfc_hba *phba) { struct lpfc_vport *vport; struct lpfc_vport **vports; - int i; + int i, error = 0; bool vpis_cleared = false; if (!phba) @@ -3072,6 +3072,18 @@ lpfc_online(struct lpfc_hba *phba) if (!phba->sli4_hba.max_cfg_param.vpi_used) vpis_cleared = true; spin_unlock_irq(&phba->hbalock); + + /* Reestablish the local initiator port. + * The offline process destroyed the previous lport. + */ + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME && + !phba->nvmet_support) { + error = lpfc_nvme_create_localport(phba->pport); + if (error) + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6132 NVME restore reg failed " + "on nvmei error x%x\n", error); + } } else { lpfc_sli_queue_init(phba); if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ @@ -3226,6 +3238,13 @@ lpfc_offline(struct lpfc_hba *phba) /* stop port and all timers associated with this hba */ lpfc_stop_port(phba); + + /* Tear down the local and target port registrations. The + * nvme transports need to cleanup. + */ + lpfc_nvmet_destroy_targetport(phba); + lpfc_nvme_destroy_localport(phba->pport); + vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) @@ -3275,7 +3294,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, list) { list_del(&sb->list); - pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, sb->dma_handle); kfree(sb); phba->total_scsi_bufs--; @@ -3286,7 +3305,7 @@ lpfc_scsi_free(struct lpfc_hba *phba) list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, list) { list_del(&sb->list); - pci_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, sb->dma_handle); kfree(sb); phba->total_scsi_bufs--; @@ -3317,7 +3336,7 @@ lpfc_nvme_free(struct lpfc_hba *phba) list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, &phba->lpfc_nvme_buf_list_put, list) { list_del(&lpfc_ncmd->list); - pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); phba->total_nvme_bufs--; @@ -3328,7 +3347,7 @@ lpfc_nvme_free(struct lpfc_hba *phba) list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, &phba->lpfc_nvme_buf_list_get, list) { list_del(&lpfc_ncmd->list); - pci_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); phba->total_nvme_bufs--; @@ -3640,7 +3659,7 @@ lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) list_remove_head(&scsi_sgl_list, psb, struct lpfc_scsi_buf, list); if (psb) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, psb->data, psb->dma_handle); kfree(psb); } @@ -3710,9 +3729,7 @@ lpfc_get_wwpn(struct lpfc_hba *phba) if (phba->sli_rev == LPFC_SLI_REV4) return be64_to_cpu(wwn); else - return (((wwn & 0xffffffff00000000) >> 32) | - ((wwn & 0x00000000ffffffff) << 32)); - + return rol64(wwn, 32); } /** @@ -3774,7 +3791,7 @@ lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba) list_remove_head(&nvme_sgl_list, lpfc_ncmd, struct lpfc_nvme_buf, list); if (lpfc_ncmd) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); @@ -5930,8 +5947,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); - INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_get_list); - INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list); /* Fast-path XRI aborted CQ Event work queue list */ @@ -5940,8 +5955,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* This abort list used by worker thread */ spin_lock_init(&phba->sli4_hba.sgl_list_lock); - spin_lock_init(&phba->sli4_hba.nvmet_ctx_get_lock); - spin_lock_init(&phba->sli4_hba.nvmet_ctx_put_lock); spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock); /* @@ -6516,6 +6529,12 @@ lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba) lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys); kfree(sglq_entry); } + + /* Update the nvmet_xri_cnt to reflect no current sgls. + * The next initialization cycle sets the count and allocates + * the sgls over again. + */ + phba->sli4_hba.nvmet_xri_cnt = 0; } /** @@ -6846,8 +6865,8 @@ lpfc_create_shost(struct lpfc_hba *phba) if (phba->nvmet_support) { /* Only 1 vport (pport) will support NVME target */ if (phba->txrdy_payload_pool == NULL) { - phba->txrdy_payload_pool = pci_pool_create( - "txrdy_pool", phba->pcidev, + phba->txrdy_payload_pool = dma_pool_create( + "txrdy_pool", &phba->pcidev->dev, TXRDY_PAYLOAD_LEN, 16, 0); if (phba->txrdy_payload_pool) { phba->targetport = NULL; @@ -7605,6 +7624,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "3082 Mailbox (x%x) returned ldv:x0\n", bf_get(lpfc_mqe_command, &pmb->u.mqe)); + if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) { + phba->bbcredit_support = 1; + phba->sli4_hba.bbscn_params.word0 = rd_config->word8; + } + phba->sli4_hba.extents_in_use = bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); phba->sli4_hba.max_cfg_param.max_xri = @@ -8301,6 +8325,9 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) goto out_error; } + /* Put list in known state in case driver load fails. */ + INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list); + /* Create NVMET Receive Queue for data */ qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index ce25a18367b5..81fb92967b11 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -376,7 +376,12 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) mb->un.varCfgLnk.rttov = phba->fc_rttov; mb->un.varCfgLnk.altov = phba->fc_altov; mb->un.varCfgLnk.crtov = phba->fc_crtov; - mb->un.varCfgLnk.citov = phba->fc_citov; + mb->un.varCfgLnk.cscn = 0; + if (phba->bbcredit_support && phba->cfg_enable_bbcr) { + mb->un.varCfgLnk.cscn = 1; + mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def, + &phba->sli4_hba.bbscn_params); + } if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) mb->un.varCfgLnk.ack0_enable = 1; @@ -2139,6 +2144,7 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) { struct lpfc_mbx_reg_vfi *reg_vfi; struct lpfc_hba *phba = vport->phba; + uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; memset(mbox, 0, sizeof(*mbox)); reg_vfi = &mbox->u.mqe.un.reg_vfi; @@ -2168,16 +2174,39 @@ lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) bf_set(lpfc_reg_vfi_vp, reg_vfi, 0); bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); } + + bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); + bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); + bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; + + if (phba->bbcredit_support && phba->cfg_enable_bbcr && + bbscn_fabric != 0) { + bbscn_max = bf_get(lpfc_bbscn_max, + &phba->sli4_hba.bbscn_params); + if (bbscn_fabric <= bbscn_max) { + bbscn_def = bf_get(lpfc_bbscn_def, + &phba->sli4_hba.bbscn_params); + + if (bbscn_fabric > bbscn_def) + bf_set(lpfc_reg_vfi_bbscn, reg_vfi, + bbscn_fabric); + else + bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); + + bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); + } + } lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, "3134 Register VFI, mydid:x%x, fcfi:%d, " " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" - " port_state:x%x topology chg:%d\n", + " port_state:x%x topology chg:%d bbscn_fabric :%d\n", vport->fc_myDID, phba->fcf.fcfi, phba->sli4_hba.vfi_ids[vport->vfi], phba->vpi_ids[vport->vpi], reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, - vport->port_state, phba->fc_topology_changed); + vport->port_state, phba->fc_topology_changed, + bbscn_fabric); } /** diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index fcc05a1517c2..56faeb049b4a 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -97,8 +97,8 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align) i = SLI4_PAGE_SIZE; phba->lpfc_sg_dma_buf_pool = - pci_pool_create("lpfc_sg_dma_buf_pool", - phba->pcidev, + dma_pool_create("lpfc_sg_dma_buf_pool", + &phba->pcidev->dev, phba->cfg_sg_dma_buf_size, i, 0); if (!phba->lpfc_sg_dma_buf_pool) @@ -106,15 +106,15 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align) } else { phba->lpfc_sg_dma_buf_pool = - pci_pool_create("lpfc_sg_dma_buf_pool", - phba->pcidev, phba->cfg_sg_dma_buf_size, + dma_pool_create("lpfc_sg_dma_buf_pool", + &phba->pcidev->dev, phba->cfg_sg_dma_buf_size, align, 0); if (!phba->lpfc_sg_dma_buf_pool) goto fail; } - phba->lpfc_mbuf_pool = pci_pool_create("lpfc_mbuf_pool", phba->pcidev, + phba->lpfc_mbuf_pool = dma_pool_create("lpfc_mbuf_pool", &phba->pcidev->dev, LPFC_BPL_SIZE, align, 0); if (!phba->lpfc_mbuf_pool) @@ -128,7 +128,7 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align) pool->max_count = 0; pool->current_count = 0; for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) { - pool->elements[i].virt = pci_pool_alloc(phba->lpfc_mbuf_pool, + pool->elements[i].virt = dma_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, &pool->elements[i].phys); if (!pool->elements[i].virt) goto fail_free_mbuf_pool; @@ -152,21 +152,21 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align) sizeof(struct lpfc_node_rrq)); if (!phba->rrq_pool) goto fail_free_nlp_mem_pool; - phba->lpfc_hrb_pool = pci_pool_create("lpfc_hrb_pool", - phba->pcidev, + phba->lpfc_hrb_pool = dma_pool_create("lpfc_hrb_pool", + &phba->pcidev->dev, LPFC_HDR_BUF_SIZE, align, 0); if (!phba->lpfc_hrb_pool) goto fail_free_rrq_mem_pool; - phba->lpfc_drb_pool = pci_pool_create("lpfc_drb_pool", - phba->pcidev, + phba->lpfc_drb_pool = dma_pool_create("lpfc_drb_pool", + &phba->pcidev->dev, LPFC_DATA_BUF_SIZE, align, 0); if (!phba->lpfc_drb_pool) goto fail_free_hrb_pool; phba->lpfc_hbq_pool = NULL; } else { - phba->lpfc_hbq_pool = pci_pool_create("lpfc_hbq_pool", - phba->pcidev, LPFC_BPL_SIZE, align, 0); + phba->lpfc_hbq_pool = dma_pool_create("lpfc_hbq_pool", + &phba->pcidev->dev, LPFC_BPL_SIZE, align, 0); if (!phba->lpfc_hbq_pool) goto fail_free_nlp_mem_pool; phba->lpfc_hrb_pool = NULL; @@ -185,10 +185,10 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align) return 0; fail_free_drb_pool: - pci_pool_destroy(phba->lpfc_drb_pool); + dma_pool_destroy(phba->lpfc_drb_pool); phba->lpfc_drb_pool = NULL; fail_free_hrb_pool: - pci_pool_destroy(phba->lpfc_hrb_pool); + dma_pool_destroy(phba->lpfc_hrb_pool); phba->lpfc_hrb_pool = NULL; fail_free_rrq_mem_pool: mempool_destroy(phba->rrq_pool); @@ -201,14 +201,14 @@ fail_free_drb_pool: phba->mbox_mem_pool = NULL; fail_free_mbuf_pool: while (i--) - pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, + dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, pool->elements[i].phys); kfree(pool->elements); fail_free_lpfc_mbuf_pool: - pci_pool_destroy(phba->lpfc_mbuf_pool); + dma_pool_destroy(phba->lpfc_mbuf_pool); phba->lpfc_mbuf_pool = NULL; fail_free_dma_buf_pool: - pci_pool_destroy(phba->lpfc_sg_dma_buf_pool); + dma_pool_destroy(phba->lpfc_sg_dma_buf_pool); phba->lpfc_sg_dma_buf_pool = NULL; fail: return -ENOMEM; @@ -218,8 +218,8 @@ int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba) { phba->lpfc_nvmet_drb_pool = - pci_pool_create("lpfc_nvmet_drb_pool", - phba->pcidev, LPFC_NVMET_DATA_BUF_SIZE, + dma_pool_create("lpfc_nvmet_drb_pool", + &phba->pcidev->dev, LPFC_NVMET_DATA_BUF_SIZE, SGL_ALIGN_SZ, 0); if (!phba->lpfc_nvmet_drb_pool) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -248,20 +248,20 @@ lpfc_mem_free(struct lpfc_hba *phba) /* Free HBQ pools */ lpfc_sli_hbqbuf_free_all(phba); if (phba->lpfc_nvmet_drb_pool) - pci_pool_destroy(phba->lpfc_nvmet_drb_pool); + dma_pool_destroy(phba->lpfc_nvmet_drb_pool); phba->lpfc_nvmet_drb_pool = NULL; if (phba->lpfc_drb_pool) - pci_pool_destroy(phba->lpfc_drb_pool); + dma_pool_destroy(phba->lpfc_drb_pool); phba->lpfc_drb_pool = NULL; if (phba->lpfc_hrb_pool) - pci_pool_destroy(phba->lpfc_hrb_pool); + dma_pool_destroy(phba->lpfc_hrb_pool); phba->lpfc_hrb_pool = NULL; if (phba->txrdy_payload_pool) - pci_pool_destroy(phba->txrdy_payload_pool); + dma_pool_destroy(phba->txrdy_payload_pool); phba->txrdy_payload_pool = NULL; if (phba->lpfc_hbq_pool) - pci_pool_destroy(phba->lpfc_hbq_pool); + dma_pool_destroy(phba->lpfc_hbq_pool); phba->lpfc_hbq_pool = NULL; if (phba->rrq_pool) @@ -282,15 +282,15 @@ lpfc_mem_free(struct lpfc_hba *phba) /* Free MBUF memory pool */ for (i = 0; i < pool->current_count; i++) - pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, + dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, pool->elements[i].phys); kfree(pool->elements); - pci_pool_destroy(phba->lpfc_mbuf_pool); + dma_pool_destroy(phba->lpfc_mbuf_pool); phba->lpfc_mbuf_pool = NULL; /* Free DMA buffer memory pool */ - pci_pool_destroy(phba->lpfc_sg_dma_buf_pool); + dma_pool_destroy(phba->lpfc_sg_dma_buf_pool); phba->lpfc_sg_dma_buf_pool = NULL; /* Free Device Data memory pool */ @@ -379,7 +379,7 @@ lpfc_mem_free_all(struct lpfc_hba *phba) * @handle: used to return the DMA-mapped address of the mbuf * * Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool. - * Allocates from generic pci_pool_alloc function first and if that fails and + * Allocates from generic dma_pool_alloc function first and if that fails and * mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the * HBA's pool. * @@ -397,7 +397,7 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) unsigned long iflags; void *ret; - ret = pci_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle); + ret = dma_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle); spin_lock_irqsave(&phba->hbalock, iflags); if (!ret && (mem_flags & MEM_PRI) && pool->current_count) { @@ -433,7 +433,7 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) pool->elements[pool->current_count].phys = dma; pool->current_count++; } else { - pci_pool_free(phba->lpfc_mbuf_pool, virt, dma); + dma_pool_free(phba->lpfc_mbuf_pool, virt, dma); } return; } @@ -470,7 +470,7 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) * @handle: used to return the DMA-mapped address of the nvmet_buf * * Description: Allocates a DMA-mapped buffer from the lpfc_sg_dma_buf_pool - * PCI pool. Allocates from generic pci_pool_alloc function. + * PCI pool. Allocates from generic dma_pool_alloc function. * * Returns: * pointer to the allocated nvmet_buf on success @@ -481,7 +481,7 @@ lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) { void *ret; - ret = pci_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle); + ret = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle); return ret; } @@ -497,7 +497,7 @@ lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virt, dma_addr_t dma) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma); + dma_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma); } /** @@ -522,7 +522,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) if (!hbqbp) return NULL; - hbqbp->dbuf.virt = pci_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL, + hbqbp->dbuf.virt = dma_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL, &hbqbp->dbuf.phys); if (!hbqbp->dbuf.virt) { kfree(hbqbp); @@ -547,7 +547,7 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) void lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) { - pci_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys); + dma_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys); kfree(hbqbp); return; } @@ -574,16 +574,16 @@ lpfc_sli4_rb_alloc(struct lpfc_hba *phba) if (!dma_buf) return NULL; - dma_buf->hbuf.virt = pci_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL, + dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL, &dma_buf->hbuf.phys); if (!dma_buf->hbuf.virt) { kfree(dma_buf); return NULL; } - dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, + dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, &dma_buf->dbuf.phys); if (!dma_buf->dbuf.virt) { - pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, + dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, dma_buf->hbuf.phys); kfree(dma_buf); return NULL; @@ -607,8 +607,8 @@ lpfc_sli4_rb_alloc(struct lpfc_hba *phba) void lpfc_sli4_rb_free(struct lpfc_hba *phba, struct hbq_dmabuf *dmab) { - pci_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys); - pci_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys); + dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys); + dma_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys); kfree(dmab); } @@ -634,16 +634,16 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) if (!dma_buf) return NULL; - dma_buf->hbuf.virt = pci_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL, + dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL, &dma_buf->hbuf.phys); if (!dma_buf->hbuf.virt) { kfree(dma_buf); return NULL; } - dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_nvmet_drb_pool, + dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_nvmet_drb_pool, GFP_KERNEL, &dma_buf->dbuf.phys); if (!dma_buf->dbuf.virt) { - pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, + dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, dma_buf->hbuf.phys); kfree(dma_buf); return NULL; @@ -667,8 +667,8 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab) { - pci_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys); - pci_pool_free(phba->lpfc_nvmet_drb_pool, + dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys); + dma_pool_free(phba->lpfc_nvmet_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys); kfree(dmab); } diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index f74cb0142fd4..f3ad7cac355d 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1724,6 +1724,9 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, lpfc_nvme_update_localport(vport); } + } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { + ndlp->nlp_fc4_type |= NLP_FC4_FCP; + } else if (ndlp->nlp_fc4_type == 0) { rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID, 0, ndlp->nlp_DID); @@ -1892,6 +1895,15 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, goto out; } + /* When the rport rejected the FCP PRLI as unsupported. + * This should only happen in Pt2Pt so an NVME PRLI + * should be outstanding still. + */ + if (npr && ndlp->nlp_flag & NLP_FCP_PRLI_RJT) { + ndlp->nlp_fc4_type &= ~NLP_FC4_FCP; + goto out_err; + } + /* The LS Req had some error. Don't let this be a * target. */ @@ -2189,12 +2201,15 @@ lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { /* - * Take no action. If a LOGO is outstanding, then possibly DevLoss has - * timed out and is calling for Device Remove. In this case, the LOGO - * must be allowed to complete in state LOGO_ISSUE so that the rpi - * and other NLP flags are correctly cleaned up. + * DevLoss has timed out and is calling for Device Remove. + * In this case, abort the LOGO and cleanup the ndlp */ - return ndlp->nlp_state; + + lpfc_unreg_rpi(vport, ndlp); + /* software abort outstanding PLOGI */ + lpfc_els_abort(vport->phba, ndlp); + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; } static uint32_t diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 0a0a1b92d01d..79ba3ce063a4 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -110,7 +110,7 @@ lpfc_nvme_create_queue(struct nvme_fc_local_port *pnvme_lport, qhandle->index = qidx; } - lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, + lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, "6073 Binding %s HdwQueue %d (cpu %d) to " "io_channel %d qhandle %p\n", str, qidx, qhandle->cpu_id, qhandle->index, qhandle); @@ -364,7 +364,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, genwqe->sli4_xritag, genwqe->iotag, ndlp->nlp_DID); rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, genwqe); - if (rc == WQE_ERROR) { + if (rc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, "6045 Issue GEN REQ WQE to NPORT x%x " "Data: x%x x%x\n", @@ -1270,7 +1270,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, * not exceed the programmed depth. */ if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) { - ret = -EAGAIN; + ret = -EBUSY; goto out_fail; } @@ -1279,7 +1279,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR, "6065 driver's buffer pool is empty, " "IO failed\n"); - ret = -ENOMEM; + ret = -EBUSY; goto out_fail; } #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -1332,7 +1332,6 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, "sid: x%x did: x%x oxid: x%x\n", ret, vport->fc_myDID, ndlp->nlp_DID, lpfc_ncmd->cur_iocbq.sli4_xritag); - ret = -EBUSY; goto out_free_nvme_buf; } @@ -1576,7 +1575,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport, abts_buf->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; ret_val = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_buf); spin_unlock_irqrestore(&phba->hbalock, flags); - if (ret_val == IOCB_ERROR) { + if (ret_val) { lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_ABTS, "6137 Failed abts issue_wqe with status x%x " "for nvme_fcreq %p.\n", @@ -1939,7 +1938,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc) * pci bus space for an I/O. The DMA buffer includes the * number of SGE's necessary to support the sg_tablesize. */ - lpfc_ncmd->data = pci_pool_alloc(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, &lpfc_ncmd->dma_handle); if (!lpfc_ncmd->data) { @@ -1950,7 +1949,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc) lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); break; @@ -1961,7 +1960,7 @@ lpfc_new_nvme_buf(struct lpfc_vport *vport, int num_to_alloc) /* Allocate iotag for lpfc_ncmd->cur_iocbq. */ iotag = lpfc_sli_next_iotag(phba, pwqeq); if (iotag == 0) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, lpfc_ncmd->dma_handle); kfree(lpfc_ncmd); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, @@ -2182,8 +2181,15 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) vport->localport = localport; lport->vport = vport; vport->nvmei_support = 1; - len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max); - vport->phba->total_nvme_bufs += len; + + /* Don't post more new bufs if repost already recovered + * the nvme sgls. + */ + if (phba->sli4_hba.nvme_xri_cnt == 0) { + len = lpfc_new_nvme_buf(vport, + phba->sli4_hba.nvme_xri_max); + vport->phba->total_nvme_bufs += len; + } } return ret; @@ -2296,6 +2302,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) ndlp->nlp_DID, ndlp->nlp_type); localport = vport->localport; + if (!localport) + return 0; + lport = (struct lpfc_nvme_lport *)localport->private; /* NVME rports are not preserved across devloss. diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index bbbd0f84160d..0b7c1a49e203 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -170,12 +170,14 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) struct lpfc_nvmet_tgtport *tgtp; struct fc_frame_header *fc_hdr; struct rqb_dmabuf *nvmebuf; + struct lpfc_nvmet_ctx_info *infop; uint32_t *payload; uint32_t size, oxid, sid, rc; + int cpu; unsigned long iflag; if (ctxp->txrdy) { - pci_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, + dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, ctxp->txrdy_phys); ctxp->txrdy = NULL; ctxp->txrdy_phys = 0; @@ -267,11 +269,16 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) } spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); - spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_put_lock, iflag); - list_add_tail(&ctx_buf->list, - &phba->sli4_hba.lpfc_nvmet_ctx_put_list); - phba->sli4_hba.nvmet_ctx_put_cnt++; - spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_put_lock, iflag); + /* + * Use the CPU context list, from the MRQ the IO was received on + * (ctxp->idx), to save context structure. + */ + cpu = smp_processor_id(); + infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx); + spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag); + list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); + infop->nvmet_ctx_list_cnt++; + spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag); #endif } @@ -552,7 +559,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ } else { ctxp->entry_cnt++; - start_clean = offsetof(struct lpfc_iocbq, wqe); + start_clean = offsetof(struct lpfc_iocbq, iocb_flag); memset(((char *)cmdwqe) + start_clean, 0, (sizeof(struct lpfc_iocbq) - start_clean)); #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -879,51 +886,54 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = { }; static void -lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) +__lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, + struct lpfc_nvmet_ctx_info *infop) { struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; unsigned long flags; - spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_get_lock, flags); - spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); + spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); list_for_each_entry_safe(ctx_buf, next_ctx_buf, - &phba->sli4_hba.lpfc_nvmet_ctx_get_list, list) { + &infop->nvmet_ctx_list, list) { spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); list_del_init(&ctx_buf->list); spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); - __lpfc_clear_active_sglq(phba, - ctx_buf->sglq->sli4_lxritag); + + __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); ctx_buf->sglq->state = SGL_FREED; ctx_buf->sglq->ndlp = NULL; spin_lock(&phba->sli4_hba.sgl_list_lock); list_add_tail(&ctx_buf->sglq->list, - &phba->sli4_hba.lpfc_nvmet_sgl_list); + &phba->sli4_hba.lpfc_nvmet_sgl_list); spin_unlock(&phba->sli4_hba.sgl_list_lock); lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); kfree(ctx_buf->context); } - list_for_each_entry_safe(ctx_buf, next_ctx_buf, - &phba->sli4_hba.lpfc_nvmet_ctx_put_list, list) { - spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); - list_del_init(&ctx_buf->list); - spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); - __lpfc_clear_active_sglq(phba, - ctx_buf->sglq->sli4_lxritag); - ctx_buf->sglq->state = SGL_FREED; - ctx_buf->sglq->ndlp = NULL; + spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); +} - spin_lock(&phba->sli4_hba.sgl_list_lock); - list_add_tail(&ctx_buf->sglq->list, - &phba->sli4_hba.lpfc_nvmet_sgl_list); - spin_unlock(&phba->sli4_hba.sgl_list_lock); +static void +lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) +{ + struct lpfc_nvmet_ctx_info *infop; + int i, j; - lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); - kfree(ctx_buf->context); + /* The first context list, MRQ 0 CPU 0 */ + infop = phba->sli4_hba.nvmet_ctx_info; + if (!infop) + return; + + /* Cycle the the entire CPU context list for every MRQ */ + for (i = 0; i < phba->cfg_nvmet_mrq; i++) { + for (j = 0; j < phba->sli4_hba.num_present_cpu; j++) { + __lpfc_nvmet_clean_io_for_cpu(phba, infop); + infop++; /* next */ + } } - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_get_lock, flags); + kfree(phba->sli4_hba.nvmet_ctx_info); + phba->sli4_hba.nvmet_ctx_info = NULL; } static int @@ -932,15 +942,71 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) struct lpfc_nvmet_ctxbuf *ctx_buf; struct lpfc_iocbq *nvmewqe; union lpfc_wqe128 *wqe; - int i; + struct lpfc_nvmet_ctx_info *last_infop; + struct lpfc_nvmet_ctx_info *infop; + int i, j, idx; lpfc_printf_log(phba, KERN_INFO, LOG_NVME, "6403 Allocate NVMET resources for %d XRIs\n", phba->sli4_hba.nvmet_xri_cnt); + phba->sli4_hba.nvmet_ctx_info = kcalloc( + phba->sli4_hba.num_present_cpu * phba->cfg_nvmet_mrq, + sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); + if (!phba->sli4_hba.nvmet_ctx_info) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6419 Failed allocate memory for " + "nvmet context lists\n"); + return -ENOMEM; + } + + /* + * Assuming X CPUs in the system, and Y MRQs, allocate some + * lpfc_nvmet_ctx_info structures as follows: + * + * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 + * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 + * ... + * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY + * + * Each line represents a MRQ "silo" containing an entry for + * every CPU. + * + * MRQ X is initially assumed to be associated with CPU X, thus + * contexts are initially distributed across all MRQs using + * the MRQ index (N) as follows cpuN/mrqN. When contexts are + * freed, the are freed to the MRQ silo based on the CPU number + * of the IO completion. Thus a context that was allocated for MRQ A + * whose IO completed on CPU B will be freed to cpuB/mrqA. + */ + infop = phba->sli4_hba.nvmet_ctx_info; + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + for (j = 0; j < phba->cfg_nvmet_mrq; j++) { + INIT_LIST_HEAD(&infop->nvmet_ctx_list); + spin_lock_init(&infop->nvmet_ctx_list_lock); + infop->nvmet_ctx_list_cnt = 0; + infop++; + } + } + + /* + * Setup the next CPU context info ptr for each MRQ. + * MRQ 0 will cycle thru CPUs 0 - X separately from + * MRQ 1 cycling thru CPUs 0 - X, and so on. + */ + for (j = 0; j < phba->cfg_nvmet_mrq; j++) { + last_infop = lpfc_get_ctx_list(phba, 0, j); + for (i = phba->sli4_hba.num_present_cpu - 1; i >= 0; i--) { + infop = lpfc_get_ctx_list(phba, i, j); + infop->nvmet_ctx_next_cpu = last_infop; + last_infop = infop; + } + } + /* For all nvmet xris, allocate resources needed to process a * received command on a per xri basis. */ + idx = 0; for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); if (!ctx_buf) { @@ -977,7 +1043,6 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) /* Word 7 */ bf_set(wqe_ct, &wqe->generic.wqe_com, SLI4_CT_RPI); bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3); - bf_set(wqe_pu, &wqe->generic.wqe_com, 1); /* Word 10 */ bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); bf_set(wqe_ebde_cnt, &wqe->generic.wqe_com, 0); @@ -995,12 +1060,35 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) "6407 Ran out of NVMET XRIs\n"); return -ENOMEM; } - spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock); - list_add_tail(&ctx_buf->list, - &phba->sli4_hba.lpfc_nvmet_ctx_get_list); - spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock); + + /* + * Add ctx to MRQidx context list. Our initial assumption + * is MRQidx will be associated with CPUidx. This association + * can change on the fly. + */ + infop = lpfc_get_ctx_list(phba, idx, idx); + spin_lock(&infop->nvmet_ctx_list_lock); + list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); + infop->nvmet_ctx_list_cnt++; + spin_unlock(&infop->nvmet_ctx_list_lock); + + /* Spread ctx structures evenly across all MRQs */ + idx++; + if (idx >= phba->cfg_nvmet_mrq) + idx = 0; + } + + infop = phba->sli4_hba.nvmet_ctx_info; + for (j = 0; j < phba->cfg_nvmet_mrq; j++) { + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, + "6408 TOTAL NVMET ctx for CPU %d " + "MRQ %d: cnt %d nextcpu %p\n", + i, j, infop->nvmet_ctx_list_cnt, + infop->nvmet_ctx_next_cpu); + infop++; + } } - phba->sli4_hba.nvmet_ctx_get_cnt = phba->sli4_hba.nvmet_xri_cnt; return 0; } @@ -1365,10 +1453,65 @@ dropit: #endif } +static struct lpfc_nvmet_ctxbuf * +lpfc_nvmet_replenish_context(struct lpfc_hba *phba, + struct lpfc_nvmet_ctx_info *current_infop) +{ + struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; + struct lpfc_nvmet_ctx_info *get_infop; + int i; + + /* + * The current_infop for the MRQ a NVME command IU was received + * on is empty. Our goal is to replenish this MRQs context + * list from a another CPUs. + * + * First we need to pick a context list to start looking on. + * nvmet_ctx_start_cpu has available context the last time + * we needed to replenish this CPU where nvmet_ctx_next_cpu + * is just the next sequential CPU for this MRQ. + */ + if (current_infop->nvmet_ctx_start_cpu) + get_infop = current_infop->nvmet_ctx_start_cpu; + else + get_infop = current_infop->nvmet_ctx_next_cpu; + + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + if (get_infop == current_infop) { + get_infop = get_infop->nvmet_ctx_next_cpu; + continue; + } + spin_lock(&get_infop->nvmet_ctx_list_lock); + + /* Just take the entire context list, if there are any */ + if (get_infop->nvmet_ctx_list_cnt) { + list_splice_init(&get_infop->nvmet_ctx_list, + ¤t_infop->nvmet_ctx_list); + current_infop->nvmet_ctx_list_cnt = + get_infop->nvmet_ctx_list_cnt - 1; + get_infop->nvmet_ctx_list_cnt = 0; + spin_unlock(&get_infop->nvmet_ctx_list_lock); + + current_infop->nvmet_ctx_start_cpu = get_infop; + list_remove_head(¤t_infop->nvmet_ctx_list, + ctx_buf, struct lpfc_nvmet_ctxbuf, + list); + return ctx_buf; + } + + /* Otherwise, move on to the next CPU for this MRQ */ + spin_unlock(&get_infop->nvmet_ctx_list_lock); + get_infop = get_infop->nvmet_ctx_next_cpu; + } + + /* Nothing found, all contexts for the MRQ are in-flight */ + return NULL; +} + /** * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer * @phba: pointer to lpfc hba data structure. - * @pring: pointer to a SLI ring. + * @idx: relative index of MRQ vector * @nvmebuf: pointer to lpfc nvme command HBQ data structure. * * This routine is used for processing the WQE associated with a unsolicited @@ -1380,22 +1523,26 @@ dropit: **/ static void lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, - struct lpfc_sli_ring *pring, + uint32_t idx, struct rqb_dmabuf *nvmebuf, uint64_t isr_timestamp) { -#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) struct lpfc_nvmet_rcv_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; struct fc_frame_header *fc_hdr; struct lpfc_nvmet_ctxbuf *ctx_buf; + struct lpfc_nvmet_ctx_info *current_infop; uint32_t *payload; uint32_t size, oxid, sid, rc, qno; unsigned long iflag; + int current_cpu; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS uint32_t id; #endif + if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) + return; + ctx_buf = NULL; if (!nvmebuf || !phba->targetport) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, @@ -1407,31 +1554,24 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, goto dropit; } - spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_get_lock, iflag); - if (phba->sli4_hba.nvmet_ctx_get_cnt) { - list_remove_head(&phba->sli4_hba.lpfc_nvmet_ctx_get_list, + /* + * Get a pointer to the context list for this MRQ based on + * the CPU this MRQ IRQ is associated with. If the CPU association + * changes from our initial assumption, the context list could + * be empty, thus it would need to be replenished with the + * context list from another CPU for this MRQ. + */ + current_cpu = smp_processor_id(); + current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); + spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); + if (current_infop->nvmet_ctx_list_cnt) { + list_remove_head(¤t_infop->nvmet_ctx_list, ctx_buf, struct lpfc_nvmet_ctxbuf, list); - phba->sli4_hba.nvmet_ctx_get_cnt--; + current_infop->nvmet_ctx_list_cnt--; } else { - spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); - if (phba->sli4_hba.nvmet_ctx_put_cnt) { - list_splice(&phba->sli4_hba.lpfc_nvmet_ctx_put_list, - &phba->sli4_hba.lpfc_nvmet_ctx_get_list); - INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list); - phba->sli4_hba.nvmet_ctx_get_cnt = - phba->sli4_hba.nvmet_ctx_put_cnt; - phba->sli4_hba.nvmet_ctx_put_cnt = 0; - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - - list_remove_head( - &phba->sli4_hba.lpfc_nvmet_ctx_get_list, - ctx_buf, struct lpfc_nvmet_ctxbuf, list); - phba->sli4_hba.nvmet_ctx_get_cnt--; - } else { - spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); - } + ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); } - spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_get_lock, iflag); + spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); oxid = be16_to_cpu(fc_hdr->fh_ox_id); @@ -1483,6 +1623,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, ctxp->size = size; ctxp->oxid = oxid; ctxp->sid = sid; + ctxp->idx = idx; ctxp->state = LPFC_NVMET_STE_RCV; ctxp->entry_cnt = 1; ctxp->flag = 0; @@ -1556,7 +1697,6 @@ dropit: if (nvmebuf) lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ -#endif } /** @@ -1591,7 +1731,7 @@ lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /** * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport * @phba: pointer to lpfc hba data structure. - * @pring: pointer to a SLI ring. + * @idx: relative index of MRQ vector * @nvmebuf: pointer to received nvme data structure. * * This routine is used to process an unsolicited event received from a SLI @@ -1602,7 +1742,7 @@ lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, **/ void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, - struct lpfc_sli_ring *pring, + uint32_t idx, struct rqb_dmabuf *nvmebuf, uint64_t isr_timestamp) { @@ -1610,7 +1750,7 @@ lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, lpfc_rq_buf_free(phba, &nvmebuf->hbuf); return; } - lpfc_nvmet_unsol_fcp_buffer(phba, pring, nvmebuf, + lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, isr_timestamp); } @@ -1863,6 +2003,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, nvmewqe->sli4_xritag); /* Word 7 */ + bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, 1); bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE); /* Word 8 */ @@ -1939,7 +2080,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, case NVMET_FCOP_WRITEDATA: /* Words 0 - 2 : The first sg segment */ - txrdy = pci_pool_alloc(phba->txrdy_payload_pool, + txrdy = dma_pool_alloc(phba->txrdy_payload_pool, GFP_KERNEL, &physaddr); if (!txrdy) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, @@ -1971,6 +2112,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, nvmewqe->sli4_xritag); /* Word 7 */ + bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, 1); bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0); bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com, CMD_FCP_TRECEIVE64_WQE); @@ -2054,6 +2196,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, nvmewqe->sli4_xritag); /* Word 7 */ + bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, 0); bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1); bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE); diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index 48a76788b003..25a65b0bb7f3 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -74,6 +74,19 @@ struct lpfc_nvmet_tgtport { atomic_t xmt_abort_rsp_error; }; +struct lpfc_nvmet_ctx_info { + struct list_head nvmet_ctx_list; + spinlock_t nvmet_ctx_list_lock; /* lock per CPU */ + struct lpfc_nvmet_ctx_info *nvmet_ctx_next_cpu; + struct lpfc_nvmet_ctx_info *nvmet_ctx_start_cpu; + uint16_t nvmet_ctx_list_cnt; + char pad[16]; /* pad to a cache-line */ +}; + +/* This retrieves the context info associated with the specified cpu / mrq */ +#define lpfc_get_ctx_list(phba, cpu, mrq) \ + (phba->sli4_hba.nvmet_ctx_info + ((cpu * phba->cfg_nvmet_mrq) + mrq)) + struct lpfc_nvmet_rcv_ctx { union { struct nvmefc_tgt_ls_req ls_req; @@ -92,6 +105,7 @@ struct lpfc_nvmet_rcv_ctx { uint16_t size; uint16_t entry_cnt; uint16_t cpu; + uint16_t idx; uint16_t state; /* States */ #define LPFC_NVMET_STE_LS_RCV 1 diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index adc784539061..1a6f122bb25d 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -416,7 +416,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) * struct fcp_cmnd, struct fcp_rsp and the number of bde's * necessary to support the sg_tablesize. */ - psb->data = pci_pool_zalloc(phba->lpfc_sg_dma_buf_pool, + psb->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, &psb->dma_handle); if (!psb->data) { kfree(psb); @@ -427,7 +427,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) /* Allocate iotag for psb->cur_iocbq. */ iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq); if (iotag == 0) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, psb->data, psb->dma_handle); kfree(psb); break; @@ -826,7 +826,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) * for the struct fcp_cmnd, struct fcp_rsp and the number * of bde's necessary to support the sg_tablesize. */ - psb->data = pci_pool_zalloc(phba->lpfc_sg_dma_buf_pool, + psb->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, &psb->dma_handle); if (!psb->data) { kfree(psb); @@ -839,7 +839,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) */ if (phba->cfg_enable_bg && (((unsigned long)(psb->data) & (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, psb->data, psb->dma_handle); kfree(psb); break; @@ -848,7 +848,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, psb->data, psb->dma_handle); kfree(psb); break; @@ -857,7 +857,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) /* Allocate iotag for psb->cur_iocbq. */ iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq); if (iotag == 0) { - pci_pool_free(phba->lpfc_sg_dma_buf_pool, + dma_pool_free(phba->lpfc_sg_dma_buf_pool, psb->data, psb->dma_handle); kfree(psb); lpfc_printf_log(phba, KERN_ERR, LOG_FCP, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index e948ea05fd33..8b119f87b51d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -80,8 +80,8 @@ static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_cqe *); static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, int); -static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *, struct lpfc_eqe *, - uint32_t); +static int lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, + struct lpfc_eqe *eqe, uint32_t qidx); static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, @@ -106,7 +106,7 @@ lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) * -ENOMEM. * The caller is expected to hold the hbalock when calling this routine. **/ -static uint32_t +static int lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe) { union lpfc_wqe *temp_wqe; @@ -123,7 +123,7 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe) idx = ((q->host_index + 1) % q->entry_count); if (idx == q->hba_index) { q->WQ_overflow++; - return -ENOMEM; + return -EBUSY; } q->WQ_posted++; /* set consumption flag every once in a while */ @@ -10741,7 +10741,7 @@ lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, abtsiocbp->vport = vport; abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp); - if (retval == IOCB_ERROR) { + if (retval) { lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, "6147 Failed abts issue_wqe with status x%x " "for oxid x%x\n", @@ -13010,7 +13010,7 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, * completion queue, and then return. * **/ -static void +static int lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, struct lpfc_queue *speq) { @@ -13034,7 +13034,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0365 Slow-path CQ identifier " "(%d) does not exist\n", cqid); - return; + return 0; } /* Save EQ associated with this CQ */ @@ -13071,7 +13071,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0370 Invalid completion queue type (%d)\n", cq->type); - return; + return 0; } /* Catch the no cq entry condition, log an error */ @@ -13086,6 +13086,8 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, /* wake up worker thread if there are works to be done */ if (workposted) lpfc_worker_wake_up(phba); + + return ecount; } /** @@ -13289,7 +13291,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, if (fc_hdr->fh_type == FC_TYPE_FCP) { dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); lpfc_nvmet_unsol_fcp_event( - phba, phba->sli4_hba.els_wq->pring, dma_buf, + phba, idx, dma_buf, cq->assoc_qp->isr_timestamp); return false; } @@ -13393,7 +13395,7 @@ lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, * queue and process all the entries on the completion queue, rearm the * completion queue, and then return. **/ -static void +static int lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, uint32_t qidx) { @@ -13409,7 +13411,7 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, "event: majorcode=x%x, minorcode=x%x\n", bf_get_le32(lpfc_eqe_major_code, eqe), bf_get_le32(lpfc_eqe_minor_code, eqe)); - return; + return 0; } /* Get the reference to the corresponding CQ */ @@ -13446,8 +13448,9 @@ lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, /* Otherwise this is a Slow path event */ if (cq == NULL) { - lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]); - return; + ecount = lpfc_sli4_sp_handle_eqe(phba, eqe, + phba->sli4_hba.hba_eq[qidx]); + return ecount; } process_cq: @@ -13456,7 +13459,7 @@ process_cq: "0368 Miss-matched fast-path completion " "queue identifier: eqcqid=%d, fcpcqid=%d\n", cqid, cq->queue_id); - return; + return 0; } /* Save EQ associated with this CQ */ @@ -13486,6 +13489,8 @@ process_cq: /* wake up worker thread if there are works to be done */ if (workposted) lpfc_worker_wake_up(phba); + + return ecount; } static void @@ -13706,6 +13711,7 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id) struct lpfc_eqe *eqe; unsigned long iflag; int ecount = 0; + int ccount = 0; int hba_eqidx; /* Get the driver's phba structure from the dev_id */ @@ -13757,8 +13763,9 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id) if (eqe == NULL) break; - lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); - if (!(++ecount % fpeq->entry_repost)) + ccount += lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); + if (!(++ecount % fpeq->entry_repost) || + ccount > LPFC_MAX_ISR_CQE) break; fpeq->EQ_processed++; } @@ -17051,7 +17058,7 @@ lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_dmabuf *pcmd = cmdiocb->context2; if (pcmd && pcmd->virt) - pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); + dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); kfree(pcmd); lpfc_sli_release_iocbq(phba, cmdiocb); } @@ -17079,7 +17086,7 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, /* Allocate buffer for command payload */ pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (pcmd) - pcmd->virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, + pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, &pcmd->phys); if (!pcmd || !pcmd->virt) goto exit; @@ -17128,7 +17135,7 @@ exit: lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "2023 Unable to process MDS loopback frame\n"); if (pcmd && pcmd->virt) - pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); + dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); kfree(pcmd); lpfc_sli_release_iocbq(phba, iocbq); lpfc_in_buf_free(phba, &dmabuf->dbuf); @@ -18888,6 +18895,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, struct lpfc_sglq *sglq; struct lpfc_sli_ring *pring; unsigned long iflags; + uint32_t ret = 0; /* NVME_LS and NVME_LS ABTS requests. */ if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { @@ -18906,10 +18914,12 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, } bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, pwqe->sli4_xritag); - if (lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe)) { + ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe); + if (ret) { spin_unlock_irqrestore(&pring->ring_lock, iflags); - return WQE_ERROR; + return ret; } + lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); spin_unlock_irqrestore(&pring->ring_lock, iflags); return 0; @@ -18924,9 +18934,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; bf_set(wqe_cqid, &wqe->generic.wqe_com, phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); - if (lpfc_sli4_wq_put(wq, wqe)) { + ret = lpfc_sli4_wq_put(wq, wqe); + if (ret) { spin_unlock_irqrestore(&pring->ring_lock, iflags); - return WQE_ERROR; + return ret; } lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); spin_unlock_irqrestore(&pring->ring_lock, iflags); @@ -18950,9 +18961,10 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; bf_set(wqe_cqid, &wqe->generic.wqe_com, phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); - if (lpfc_sli4_wq_put(wq, wqe)) { + ret = lpfc_sli4_wq_put(wq, wqe); + if (ret) { spin_unlock_irqrestore(&pring->ring_lock, iflags); - return WQE_ERROR; + return ret; } lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); spin_unlock_irqrestore(&pring->ring_lock, iflags); diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 7a1d74e9e877..60200385fe00 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -158,6 +158,7 @@ struct lpfc_queue { #define LPFC_MQ_REPOST 8 #define LPFC_CQ_REPOST 64 #define LPFC_RQ_REPOST 64 +#define LPFC_MAX_ISR_CQE 64 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 /* For WQs */ uint32_t queue_id; /* Queue ID assigned by the hardware */ uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ @@ -419,6 +420,20 @@ struct lpfc_hba_eq_hdl { #define LPFC_MULTI_CPU_AFFINITY 0xffffffff }; +/*BB Credit recovery value*/ +struct lpfc_bbscn_params { + uint32_t word0; +#define lpfc_bbscn_min_SHIFT 0 +#define lpfc_bbscn_min_MASK 0x0000000F +#define lpfc_bbscn_min_WORD word0 +#define lpfc_bbscn_max_SHIFT 4 +#define lpfc_bbscn_max_MASK 0x0000000F +#define lpfc_bbscn_max_WORD word0 +#define lpfc_bbscn_def_SHIFT 8 +#define lpfc_bbscn_def_MASK 0x0000000F +#define lpfc_bbscn_def_WORD word0 +}; + /* Port Capabilities for SLI4 Parameters */ struct lpfc_pc_sli4_params { uint32_t supported; @@ -550,6 +565,7 @@ struct lpfc_sli4_hba { uint32_t ue_to_rp; struct lpfc_register sli_intf; struct lpfc_pc_sli4_params pc_sli4_params; + struct lpfc_bbscn_params bbscn_params; struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */ /* Pointers to the constructed SLI4 queues */ @@ -621,8 +637,6 @@ struct lpfc_sli4_hba { uint16_t scsi_xri_start; uint16_t els_xri_cnt; uint16_t nvmet_xri_cnt; - uint16_t nvmet_ctx_get_cnt; - uint16_t nvmet_ctx_put_cnt; uint16_t nvmet_io_wait_cnt; uint16_t nvmet_io_wait_total; struct list_head lpfc_els_sgl_list; @@ -631,9 +645,8 @@ struct lpfc_sli4_hba { struct list_head lpfc_abts_nvmet_ctx_list; struct list_head lpfc_abts_scsi_buf_list; struct list_head lpfc_abts_nvme_buf_list; - struct list_head lpfc_nvmet_ctx_get_list; - struct list_head lpfc_nvmet_ctx_put_list; struct list_head lpfc_nvmet_io_wait_list; + struct lpfc_nvmet_ctx_info *nvmet_ctx_info; struct lpfc_sglq **lpfc_sglq_active_list; struct list_head lpfc_rpi_hdr_list; unsigned long *rpi_bmask; @@ -664,8 +677,6 @@ struct lpfc_sli4_hba { spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t sgl_list_lock; /* list of aborted els IOs */ - spinlock_t nvmet_ctx_get_lock; /* list of avail XRI contexts */ - spinlock_t nvmet_ctx_put_lock; /* list of avail XRI contexts */ spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */ uint32_t physical_port; diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index c6a24c3e2d5e..6aa192b3e4bf 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "11.4.0.1" +#define LPFC_DRIVER_VERSION "11.4.0.3" #define LPFC_DRIVER_NAME "lpfc" /* Used for SLI 2/3 */ diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index a6682c508c4c..8c4d3003b68b 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -448,15 +448,14 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat ioremap(macio_resource_start(mdev, 1), 0x1000); state->dmaintr = macio_irq(mdev, 1); if (state->regs == NULL || state->dma == NULL) { - printk(KERN_ERR "mac53c94: ioremap failed for %s\n", - node->full_name); + printk(KERN_ERR "mac53c94: ioremap failed for %pOF\n", node); goto out_free; } clkprop = of_get_property(node, "clock-frequency", &proplen); if (clkprop == NULL || proplen != sizeof(int)) { - printk(KERN_ERR "%s: can't get clock frequency, " - "assuming 25MHz\n", node->full_name); + printk(KERN_ERR "%pOF: can't get clock frequency, " + "assuming 25MHz\n", node); state->clk_freq = 25000000; } else state->clk_freq = *(int *)clkprop; @@ -469,7 +468,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat sizeof(struct dbdma_cmd), GFP_KERNEL); if (dma_cmd_space == 0) { printk(KERN_ERR "mac53c94: couldn't allocate dma " - "command space for %s\n", node->full_name); + "command space for %pOF\n", node); rc = -ENOMEM; goto out_free; } @@ -481,8 +480,8 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat mac53c94_init(state); if (request_irq(state->intr, do_mac53c94_interrupt, 0, "53C94",state)) { - printk(KERN_ERR "mac53C94: can't get irq %d for %s\n", - state->intr, node->full_name); + printk(KERN_ERR "mac53C94: can't get irq %d for %pOF\n", + state->intr, node); goto out_free_dma; } diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c index cdb61eaa2d1f..eb551f3cc471 100644 --- a/drivers/scsi/mac_esp.c +++ b/drivers/scsi/mac_esp.c @@ -348,26 +348,24 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count, u32 dma_count, int write, u8 cmd) { struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp); - u8 *fifo = esp->regs + ESP_FDATA * 16; + u8 __iomem *fifo = esp->regs + ESP_FDATA * 16; + u8 phase = esp->sreg & ESP_STAT_PMASK; cmd &= ~ESP_CMD_DMA; mep->error = 0; if (write) { + u8 *dst = (u8 *)addr; + u8 mask = ~(phase == ESP_MIP ? ESP_INTR_FDONE : ESP_INTR_BSERV); + scsi_esp_cmd(esp, cmd); while (1) { - unsigned int n; - - n = mac_esp_wait_for_fifo(esp); - if (!n) + if (!mac_esp_wait_for_fifo(esp)) break; - if (n > esp_count) - n = esp_count; - esp_count -= n; - - MAC_ESP_PIO_LOOP("%2@,%0@+", n); + *dst++ = esp_read8(ESP_FDATA); + --esp_count; if (!esp_count) break; @@ -375,14 +373,17 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count, if (mac_esp_wait_for_intr(esp)) break; - if (((esp->sreg & ESP_STAT_PMASK) != ESP_DIP) && - ((esp->sreg & ESP_STAT_PMASK) != ESP_MIP)) + if ((esp->sreg & ESP_STAT_PMASK) != phase) break; esp->ireg = esp_read8(ESP_INTRPT); - if ((esp->ireg & (ESP_INTR_DC | ESP_INTR_BSERV)) != - ESP_INTR_BSERV) + if (esp->ireg & mask) { + mep->error = 1; break; + } + + if (phase == ESP_MIP) + scsi_esp_cmd(esp, ESP_CMD_MOK); scsi_esp_cmd(esp, ESP_CMD_TI); } @@ -402,14 +403,14 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count, if (mac_esp_wait_for_intr(esp)) break; - if (((esp->sreg & ESP_STAT_PMASK) != ESP_DOP) && - ((esp->sreg & ESP_STAT_PMASK) != ESP_MOP)) + if ((esp->sreg & ESP_STAT_PMASK) != phase) break; esp->ireg = esp_read8(ESP_INTRPT); - if ((esp->ireg & (ESP_INTR_DC | ESP_INTR_BSERV)) != - ESP_INTR_BSERV) + if (esp->ireg & ~ESP_INTR_BSERV) { + mep->error = 1; break; + } n = MAC_ESP_FIFO_SIZE - (esp_read8(ESP_FFLAGS) & ESP_FF_FBYTES); diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index 196acc79714b..dd6057359d7c 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -41,7 +41,7 @@ #define NCR5380_intr macscsi_intr #define NCR5380_queue_command macscsi_queue_command #define NCR5380_abort macscsi_abort -#define NCR5380_bus_reset macscsi_bus_reset +#define NCR5380_host_reset macscsi_host_reset #define NCR5380_info macscsi_info #include "NCR5380.h" @@ -328,7 +328,7 @@ static struct scsi_host_template mac_scsi_template = { .info = macscsi_info, .queuecommand = macscsi_queue_command, .eh_abort_handler = macscsi_abort, - .eh_bus_reset_handler = macscsi_bus_reset, + .eh_host_reset_handler = macscsi_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = 1, diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 3c63c292cb92..7195cff51d4c 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -311,13 +311,15 @@ mega_query_adapter(adapter_t *adapter) right 8 bits making them zero. This 0 value was hardcoded to fix sparse warnings. */ if (adapter->product_info.subsysvid == PCI_VENDOR_ID_HP) { - sprintf (adapter->fw_version, "%c%d%d.%d%d", + snprintf(adapter->fw_version, sizeof(adapter->fw_version), + "%c%d%d.%d%d", adapter->product_info.fw_version[2], 0, adapter->product_info.fw_version[1] & 0x0f, 0, adapter->product_info.fw_version[0] & 0x0f); - sprintf (adapter->bios_version, "%c%d%d.%d%d", + snprintf(adapter->bios_version, sizeof(adapter->fw_version), + "%c%d%d.%d%d", adapter->product_info.bios_version[2], 0, adapter->product_info.bios_version[1] & 0x0f, diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index f0987f22ea70..ec3c43854978 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -341,8 +341,6 @@ static struct scsi_host_template megaraid_template_g = { .proc_name = "megaraid", .queuecommand = megaraid_queue_command, .eh_abort_handler = megaraid_abort_handler, - .eh_device_reset_handler = megaraid_reset_handler, - .eh_bus_reset_handler = megaraid_reset_handler, .eh_host_reset_handler = megaraid_reset_handler, .change_queue_depth = scsi_change_queue_depth, .use_clustering = ENABLE_CLUSTERING, @@ -1153,8 +1151,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) // Allocate memory for 16-bytes aligned mailboxes - raid_dev->mbox_pool_handle = pci_pool_create("megaraid mbox pool", - adapter->pdev, + raid_dev->mbox_pool_handle = dma_pool_create("megaraid mbox pool", + &adapter->pdev->dev, sizeof(mbox64_t) + 16, 16, 0); @@ -1164,7 +1162,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) mbox_pci_blk = raid_dev->mbox_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - mbox_pci_blk[i].vaddr = pci_pool_alloc( + mbox_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->mbox_pool_handle, GFP_KERNEL, &mbox_pci_blk[i].dma_addr); @@ -1181,8 +1179,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) * share common memory pool. Passthru structures piggyback on memory * allocted to extended passthru since passthru is smaller of the two */ - raid_dev->epthru_pool_handle = pci_pool_create("megaraid mbox pthru", - adapter->pdev, sizeof(mraid_epassthru_t), 128, 0); + raid_dev->epthru_pool_handle = dma_pool_create("megaraid mbox pthru", + &adapter->pdev->dev, sizeof(mraid_epassthru_t), 128, 0); if (raid_dev->epthru_pool_handle == NULL) { goto fail_setup_dma_pool; @@ -1190,7 +1188,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) epthru_pci_blk = raid_dev->epthru_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - epthru_pci_blk[i].vaddr = pci_pool_alloc( + epthru_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->epthru_pool_handle, GFP_KERNEL, &epthru_pci_blk[i].dma_addr); @@ -1202,8 +1200,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) // Allocate memory for each scatter-gather list. Request for 512 bytes // alignment for each sg list - raid_dev->sg_pool_handle = pci_pool_create("megaraid mbox sg", - adapter->pdev, + raid_dev->sg_pool_handle = dma_pool_create("megaraid mbox sg", + &adapter->pdev->dev, sizeof(mbox_sgl64) * MBOX_MAX_SG_SIZE, 512, 0); @@ -1213,7 +1211,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) sg_pci_blk = raid_dev->sg_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - sg_pci_blk[i].vaddr = pci_pool_alloc( + sg_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->sg_pool_handle, GFP_KERNEL, &sg_pci_blk[i].dma_addr); @@ -1249,29 +1247,29 @@ megaraid_mbox_teardown_dma_pools(adapter_t *adapter) sg_pci_blk = raid_dev->sg_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && sg_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr, + dma_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr, sg_pci_blk[i].dma_addr); } if (raid_dev->sg_pool_handle) - pci_pool_destroy(raid_dev->sg_pool_handle); + dma_pool_destroy(raid_dev->sg_pool_handle); epthru_pci_blk = raid_dev->epthru_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && epthru_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->epthru_pool_handle, + dma_pool_free(raid_dev->epthru_pool_handle, epthru_pci_blk[i].vaddr, epthru_pci_blk[i].dma_addr); } if (raid_dev->epthru_pool_handle) - pci_pool_destroy(raid_dev->epthru_pool_handle); + dma_pool_destroy(raid_dev->epthru_pool_handle); mbox_pci_blk = raid_dev->mbox_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && mbox_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->mbox_pool_handle, + dma_pool_free(raid_dev->mbox_pool_handle, mbox_pci_blk[i].vaddr, mbox_pci_blk[i].dma_addr); } if (raid_dev->mbox_pool_handle) - pci_pool_destroy(raid_dev->mbox_pool_handle); + dma_pool_destroy(raid_dev->mbox_pool_handle); return; } diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index 544d6f7e6138..65b6f6ace3a5 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -574,7 +574,7 @@ mraid_mm_attach_buf(mraid_mmadp_t *adp, uioc_t *kioc, int xferlen) kioc->pool_index = right_pool; kioc->free_buf = 1; - kioc->buf_vaddr = pci_pool_alloc(pool->handle, GFP_ATOMIC, + kioc->buf_vaddr = dma_pool_alloc(pool->handle, GFP_ATOMIC, &kioc->buf_paddr); spin_unlock_irqrestore(&pool->lock, flags); @@ -658,7 +658,7 @@ mraid_mm_dealloc_kioc(mraid_mmadp_t *adp, uioc_t *kioc) * not in use */ if (kioc->free_buf == 1) - pci_pool_free(pool->handle, kioc->buf_vaddr, + dma_pool_free(pool->handle, kioc->buf_vaddr, kioc->buf_paddr); else pool->in_use = 0; @@ -940,8 +940,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp) GFP_KERNEL); adapter->mbox_list = kmalloc(sizeof(mbox64_t) * lld_adp->max_kioc, GFP_KERNEL); - adapter->pthru_dma_pool = pci_pool_create("megaraid mm pthru pool", - adapter->pdev, + adapter->pthru_dma_pool = dma_pool_create("megaraid mm pthru pool", + &adapter->pdev->dev, sizeof(mraid_passthru_t), 16, 0); @@ -970,7 +970,7 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp) kioc = adapter->kioc_list + i; kioc->cmdbuf = (uint64_t)(unsigned long)(mbox_list + i); - kioc->pthru32 = pci_pool_alloc(adapter->pthru_dma_pool, + kioc->pthru32 = dma_pool_alloc(adapter->pthru_dma_pool, GFP_KERNEL, &kioc->pthru32_h); if (!kioc->pthru32) { @@ -1006,7 +1006,7 @@ pthru_dma_pool_error: for (i = 0; i < lld_adp->max_kioc; i++) { kioc = adapter->kioc_list + i; if (kioc->pthru32) { - pci_pool_free(adapter->pthru_dma_pool, kioc->pthru32, + dma_pool_free(adapter->pthru_dma_pool, kioc->pthru32, kioc->pthru32_h); } } @@ -1017,7 +1017,7 @@ memalloc_error: kfree(adapter->mbox_list); if (adapter->pthru_dma_pool) - pci_pool_destroy(adapter->pthru_dma_pool); + dma_pool_destroy(adapter->pthru_dma_pool); kfree(adapter); @@ -1086,14 +1086,15 @@ mraid_mm_setup_dma_pools(mraid_mmadp_t *adp) pool->buf_size = bufsize; spin_lock_init(&pool->lock); - pool->handle = pci_pool_create("megaraid mm data buffer", - adp->pdev, bufsize, 16, 0); + pool->handle = dma_pool_create("megaraid mm data buffer", + &adp->pdev->dev, bufsize, + 16, 0); if (!pool->handle) { goto dma_pool_setup_error; } - pool->vaddr = pci_pool_alloc(pool->handle, GFP_KERNEL, + pool->vaddr = dma_pool_alloc(pool->handle, GFP_KERNEL, &pool->paddr); if (!pool->vaddr) @@ -1163,14 +1164,14 @@ mraid_mm_free_adp_resources(mraid_mmadp_t *adp) kioc = adp->kioc_list + i; - pci_pool_free(adp->pthru_dma_pool, kioc->pthru32, + dma_pool_free(adp->pthru_dma_pool, kioc->pthru32, kioc->pthru32_h); } kfree(adp->kioc_list); kfree(adp->mbox_list); - pci_pool_destroy(adp->pthru_dma_pool); + dma_pool_destroy(adp->pthru_dma_pool); return; @@ -1194,10 +1195,10 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp) if (pool->handle) { if (pool->vaddr) - pci_pool_free(pool->handle, pool->vaddr, + dma_pool_free(pool->handle, pool->vaddr, pool->paddr); - pci_pool_destroy(pool->handle); + dma_pool_destroy(pool->handle); pool->handle = NULL; } } diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 2b209bbb4c91..a6722c93a295 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -35,8 +35,8 @@ /* * MegaRAID SAS Driver meta data */ -#define MEGASAS_VERSION "07.701.17.00-rc1" -#define MEGASAS_RELDATE "March 2, 2017" +#define MEGASAS_VERSION "07.702.06.00-rc1" +#define MEGASAS_RELDATE "June 21, 2017" /* * Device IDs @@ -2115,7 +2115,6 @@ struct megasas_instance { u32 *crash_dump_buf; dma_addr_t crash_dump_h; void *crash_buf[MAX_CRASH_DUMP_SIZE]; - u32 crash_buf_pages; unsigned int fw_crash_buffer_size; unsigned int fw_crash_state; unsigned int fw_crash_buffer_offset; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 71c4746341ea..e518dadc8161 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -49,6 +49,7 @@ #include <linux/blkdev.h> #include <linux/mutex.h> #include <linux/poll.h> +#include <linux/vmalloc.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -1995,9 +1996,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) { cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; if (cmd_mfi->sync_cmd && - cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) + (cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) { + cmd_mfi->frame->hdr.cmd_status = + MFI_STAT_WRONG_STATE; megasas_complete_cmd(instance, cmd_mfi, DID_OK); + } } } } else { @@ -2791,7 +2795,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd) cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr; if (cmd) megasas_dump_frame(cmd->io_request, - sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE); ret = megasas_reset_fusion(scmd->device->host, SCSIIO_TIMEOUT_OCR); } else @@ -3862,19 +3866,19 @@ static void megasas_teardown_frame_pool(struct megasas_instance *instance) cmd = instance->cmd_list[i]; if (cmd->frame) - pci_pool_free(instance->frame_dma_pool, cmd->frame, + dma_pool_free(instance->frame_dma_pool, cmd->frame, cmd->frame_phys_addr); if (cmd->sense) - pci_pool_free(instance->sense_dma_pool, cmd->sense, + dma_pool_free(instance->sense_dma_pool, cmd->sense, cmd->sense_phys_addr); } /* * Now destroy the pool itself */ - pci_pool_destroy(instance->frame_dma_pool); - pci_pool_destroy(instance->sense_dma_pool); + dma_pool_destroy(instance->frame_dma_pool); + dma_pool_destroy(instance->sense_dma_pool); instance->frame_dma_pool = NULL; instance->sense_dma_pool = NULL; @@ -3925,22 +3929,23 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) /* * Use DMA pool facility provided by PCI layer */ - instance->frame_dma_pool = pci_pool_create("megasas frame pool", - instance->pdev, instance->mfi_frame_size, - 256, 0); + instance->frame_dma_pool = dma_pool_create("megasas frame pool", + &instance->pdev->dev, + instance->mfi_frame_size, 256, 0); if (!instance->frame_dma_pool) { dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n"); return -ENOMEM; } - instance->sense_dma_pool = pci_pool_create("megasas sense pool", - instance->pdev, 128, 4, 0); + instance->sense_dma_pool = dma_pool_create("megasas sense pool", + &instance->pdev->dev, 128, + 4, 0); if (!instance->sense_dma_pool) { dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n"); - pci_pool_destroy(instance->frame_dma_pool); + dma_pool_destroy(instance->frame_dma_pool); instance->frame_dma_pool = NULL; return -ENOMEM; @@ -3955,10 +3960,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) cmd = instance->cmd_list[i]; - cmd->frame = pci_pool_alloc(instance->frame_dma_pool, + cmd->frame = dma_pool_alloc(instance->frame_dma_pool, GFP_KERNEL, &cmd->frame_phys_addr); - cmd->sense = pci_pool_alloc(instance->sense_dma_pool, + cmd->sense = dma_pool_alloc(instance->sense_dma_pool, GFP_KERNEL, &cmd->sense_phys_addr); /* @@ -3966,7 +3971,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) * whatever has been allocated */ if (!cmd->frame || !cmd->sense) { - dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "dma_pool_alloc failed\n"); megasas_teardown_frame_pool(instance); return -ENOMEM; } @@ -5478,7 +5483,8 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; - if (resetwaittime > MEGASAS_RESET_WAIT_TIME) + if ((resetwaittime < 1) || + (resetwaittime > MEGASAS_RESET_WAIT_TIME)) resetwaittime = MEGASAS_RESET_WAIT_TIME; if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT)) @@ -5649,6 +5655,14 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, prev_aen.word = le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]); + if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) || + (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) { + dev_info(&instance->pdev->dev, + "%s %d out of range class %d send by application\n", + __func__, __LINE__, curr_aen.members.class); + return 0; + } + /* * A class whose enum value is smaller is inclusive of all * higher values. If a PROGRESS (= -1) was previously @@ -6096,14 +6110,12 @@ static int megasas_probe_one(struct pci_dev *pdev, instance->pd_info = pci_alloc_consistent(pdev, sizeof(struct MR_PD_INFO), &instance->pd_info_h); - instance->pd_info = pci_alloc_consistent(pdev, - sizeof(struct MR_PD_INFO), &instance->pd_info_h); - instance->tgt_prop = pci_alloc_consistent(pdev, - sizeof(struct MR_TARGET_PROPERTIES), &instance->tgt_prop_h); - if (!instance->pd_info) dev_err(&instance->pdev->dev, "Failed to alloc mem for pd_info\n"); + instance->tgt_prop = pci_alloc_consistent(pdev, + sizeof(struct MR_TARGET_PROPERTIES), &instance->tgt_prop_h); + if (!instance->tgt_prop) dev_err(&instance->pdev->dev, "Failed to alloc mem for tgt_prop\n"); @@ -6663,9 +6675,14 @@ skip_firing_dcmds: fusion->max_map_sz, fusion->ld_map[i], fusion->ld_map_phys[i]); - if (fusion->ld_drv_map[i]) - free_pages((ulong)fusion->ld_drv_map[i], - fusion->drv_map_pages); + if (fusion->ld_drv_map[i]) { + if (is_vmalloc_addr(fusion->ld_drv_map[i])) + vfree(fusion->ld_drv_map[i]); + else + free_pages((ulong)fusion->ld_drv_map[i], + fusion->drv_map_pages); + } + if (fusion->pd_seq_sync[i]) dma_free_coherent(&instance->pdev->dev, pd_seq_map_sz, @@ -6866,6 +6883,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, void *sense = NULL; dma_addr_t sense_handle; unsigned long *sense_ptr; + u32 opcode; memset(kbuff_arr, 0, sizeof(kbuff_arr)); @@ -6893,15 +6911,16 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_IEEE | MFI_FRAME_SGL64 | MFI_FRAME_SENSE64)); + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); - if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_SHUTDOWN) { + if (opcode == MR_DCMD_CTRL_SHUTDOWN) { if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) { megasas_return_cmd(instance, cmd); return -1; } } - if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) { + if (opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) { error = megasas_set_crash_dump_params_ioctl(cmd); megasas_return_cmd(instance, cmd); return error; @@ -6975,8 +6994,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, cmd->sync_cmd = 0; dev_err(&instance->pdev->dev, "return -EBUSY from %s %d opcode 0x%x cmd->cmd_status_drv 0x%x\n", - __func__, __LINE__, cmd->frame->dcmd.opcode, - cmd->cmd_status_drv); + __func__, __LINE__, opcode, cmd->cmd_status_drv); return -EBUSY; } @@ -7323,49 +7341,39 @@ static struct pci_driver megasas_pci_driver = { /* * Sysfs driver attributes */ -static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf) +static ssize_t version_show(struct device_driver *dd, char *buf) { return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n", MEGASAS_VERSION); } +static DRIVER_ATTR_RO(version); -static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL); - -static ssize_t -megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) +static ssize_t release_date_show(struct device_driver *dd, char *buf) { return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n", MEGASAS_RELDATE); } +static DRIVER_ATTR_RO(release_date); -static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, NULL); - -static ssize_t -megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf) +static ssize_t support_poll_for_event_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", support_poll_for_event); } +static DRIVER_ATTR_RO(support_poll_for_event); -static DRIVER_ATTR(support_poll_for_event, S_IRUGO, - megasas_sysfs_show_support_poll_for_event, NULL); - - static ssize_t -megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf) +static ssize_t support_device_change_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", support_device_change); } +static DRIVER_ATTR_RO(support_device_change); -static DRIVER_ATTR(support_device_change, S_IRUGO, - megasas_sysfs_show_support_device_change, NULL); - -static ssize_t -megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) +static ssize_t dbg_lvl_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", megasas_dbg_lvl); } -static ssize_t -megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t count) +static ssize_t dbg_lvl_store(struct device_driver *dd, const char *buf, + size_t count) { int retval = count; @@ -7375,9 +7383,7 @@ megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t coun } return retval; } - -static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl, - megasas_sysfs_set_dbg_lvl); +static DRIVER_ATTR_RW(dbg_lvl); static inline void megasas_remove_scsi_device(struct scsi_device *sdev) { diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 62affa76133d..ecc699a65bac 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -67,16 +67,6 @@ MODULE_PARM_DESC(lb_pending_cmds, "Change raid-1 load balancing outstanding " #define ABS_DIFF(a, b) (((a) > (b)) ? ((a) - (b)) : ((b) - (a))) #define MR_LD_STATE_OPTIMAL 3 -#ifdef FALSE -#undef FALSE -#endif -#define FALSE 0 - -#ifdef TRUE -#undef TRUE -#endif -#define TRUE 1 - #define SPAN_ROW_SIZE(map, ld, index_) (MR_LdSpanPtrGet(ld, index_, map)->spanRowSize) #define SPAN_ROW_DATA_SIZE(map_, ld, index_) (MR_LdSpanPtrGet(ld, index_, map)->spanRowDataSize) #define SPAN_INVALID 0xff @@ -709,7 +699,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld, u32 pd, arRef, r1_alt_pd; u8 physArm, span; u64 row; - u8 retval = TRUE; + u8 retval = true; u64 *pdBlock = &io_info->pdBlock; __le16 *pDevHandle = &io_info->devHandle; u8 *pPdInterface = &io_info->pd_interface; @@ -727,7 +717,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld, if (raid->level == 6) { logArm = get_arm_from_strip(instance, ld, stripRow, map); if (logArm == -1U) - return FALSE; + return false; rowMod = mega_mod64(row, SPAN_ROW_SIZE(map, ld, span)); armQ = SPAN_ROW_SIZE(map, ld, span) - 1 - rowMod; arm = armQ + 1 + logArm; @@ -738,7 +728,7 @@ static u8 mr_spanset_get_phy_params(struct megasas_instance *instance, u32 ld, /* Calculate the arm */ physArm = get_arm(instance, ld, span, stripRow, map); if (physArm == 0xFF) - return FALSE; + return false; arRef = MR_LdSpanArrayGet(ld, span, map); pd = MR_ArPdGet(arRef, physArm, map); @@ -812,7 +802,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, u32 pd, arRef, r1_alt_pd; u8 physArm, span; u64 row; - u8 retval = TRUE; + u8 retval = true; u64 *pdBlock = &io_info->pdBlock; __le16 *pDevHandle = &io_info->devHandle; u8 *pPdInterface = &io_info->pd_interface; @@ -829,7 +819,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, u32 rowMod, armQ, arm; if (raid->rowSize == 0) - return FALSE; + return false; /* get logical row mod */ rowMod = mega_mod64(row, raid->rowSize); armQ = raid->rowSize-1-rowMod; /* index of Q drive */ @@ -839,7 +829,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, physArm = (u8)arm; } else { if (raid->modFactor == 0) - return FALSE; + return false; physArm = MR_LdDataArmGet(ld, mega_mod64(stripRow, raid->modFactor), map); @@ -851,7 +841,7 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, } else { span = (u8)MR_GetSpanBlock(ld, row, pdBlock, map); if (span == SPAN_INVALID) - return FALSE; + return false; } /* Get the array on which this span is present */ @@ -954,7 +944,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, */ if (raid->rowDataSize == 0) { if (MR_LdSpanPtrGet(ld, 0, map)->spanRowDataSize == 0) - return FALSE; + return false; else if (instance->UnevenSpanSupport) { io_info->IoforUnevenSpan = 1; } else { @@ -963,7 +953,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, "rowDataSize = 0x%0x," "but there is _NO_ UnevenSpanSupport\n", MR_LdSpanPtrGet(ld, 0, map)->spanRowDataSize); - return FALSE; + return false; } } @@ -988,7 +978,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, dev_info(&instance->pdev->dev, "return from %s %d." "Send IO w/o region lock.\n", __func__, __LINE__); - return FALSE; + return false; } if (raid->spanDepth == 1) { @@ -1004,7 +994,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, (unsigned long long)start_row, (unsigned long long)start_strip, (unsigned long long)endStrip); - return FALSE; + return false; } io_info->start_span = startlba_span; io_info->start_row = start_row; @@ -1038,7 +1028,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, raid->capability. fpWriteAcrossStripe)); } else - io_info->fpOkForIo = FALSE; + io_info->fpOkForIo = false; if (numRows == 1) { /* single-strip IOs can always lock only the data needed */ @@ -1124,7 +1114,7 @@ MR_BuildRaidContext(struct megasas_instance *instance, pRAID_Context, map); /* If IO on an invalid Pd, then FP is not possible.*/ if (io_info->devHandle == MR_DEVHANDLE_INVALID) - io_info->fpOkForIo = FALSE; + io_info->fpOkForIo = false; return retval; } else if (isRead) { uint stripIdx; @@ -1138,10 +1128,10 @@ MR_BuildRaidContext(struct megasas_instance *instance, start_strip + stripIdx, ref_in_start_stripe, io_info, pRAID_Context, map); if (!retval) - return TRUE; + return true; } } - return TRUE; + return true; } /* diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 985510628f56..11bd2e698b84 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -313,20 +313,20 @@ megasas_free_cmds_fusion(struct megasas_instance *instance) cmd = fusion->cmd_list[i]; if (cmd) { if (cmd->sg_frame) - pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame, + dma_pool_free(fusion->sg_dma_pool, cmd->sg_frame, cmd->sg_frame_phys_addr); if (cmd->sense) - pci_pool_free(fusion->sense_dma_pool, cmd->sense, + dma_pool_free(fusion->sense_dma_pool, cmd->sense, cmd->sense_phys_addr); } } if (fusion->sg_dma_pool) { - pci_pool_destroy(fusion->sg_dma_pool); + dma_pool_destroy(fusion->sg_dma_pool); fusion->sg_dma_pool = NULL; } if (fusion->sense_dma_pool) { - pci_pool_destroy(fusion->sense_dma_pool); + dma_pool_destroy(fusion->sense_dma_pool); fusion->sense_dma_pool = NULL; } @@ -343,11 +343,11 @@ megasas_free_cmds_fusion(struct megasas_instance *instance) fusion->request_alloc_sz, fusion->req_frames_desc, fusion->req_frames_desc_phys); if (fusion->io_request_frames) - pci_pool_free(fusion->io_request_frames_pool, + dma_pool_free(fusion->io_request_frames_pool, fusion->io_request_frames, fusion->io_request_frames_phys); if (fusion->io_request_frames_pool) { - pci_pool_destroy(fusion->io_request_frames_pool); + dma_pool_destroy(fusion->io_request_frames_pool); fusion->io_request_frames_pool = NULL; } @@ -376,12 +376,12 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) fusion->sg_dma_pool = - pci_pool_create("mr_sg", instance->pdev, + dma_pool_create("mr_sg", &instance->pdev->dev, instance->max_chain_frame_sz, MR_DEFAULT_NVME_PAGE_SIZE, 0); /* SCSI_SENSE_BUFFERSIZE = 96 bytes */ fusion->sense_dma_pool = - pci_pool_create("mr_sense", instance->pdev, + dma_pool_create("mr_sense", &instance->pdev->dev, SCSI_SENSE_BUFFERSIZE, 64, 0); if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) { @@ -395,10 +395,10 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) */ for (i = 0; i < max_cmd; i++) { cmd = fusion->cmd_list[i]; - cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool, + cmd->sg_frame = dma_pool_alloc(fusion->sg_dma_pool, GFP_KERNEL, &cmd->sg_frame_phys_addr); - cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, + cmd->sense = dma_pool_alloc(fusion->sense_dma_pool, GFP_KERNEL, &cmd->sense_phys_addr); if (!cmd->sg_frame || !cmd->sense) { dev_err(&instance->pdev->dev, @@ -410,7 +410,7 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) /* create sense buffer for the raid 1/10 fp */ for (i = max_cmd; i < instance->max_mpt_cmds; i++) { cmd = fusion->cmd_list[i]; - cmd->sense = pci_pool_alloc(fusion->sense_dma_pool, + cmd->sense = dma_pool_alloc(fusion->sense_dma_pool, GFP_KERNEL, &cmd->sense_phys_addr); if (!cmd->sense) { dev_err(&instance->pdev->dev, @@ -479,7 +479,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance) } fusion->io_request_frames_pool = - pci_pool_create("mr_ioreq", instance->pdev, + dma_pool_create("mr_ioreq", &instance->pdev->dev, fusion->io_frames_alloc_sz, 16, 0); if (!fusion->io_request_frames_pool) { @@ -489,7 +489,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance) } fusion->io_request_frames = - pci_pool_alloc(fusion->io_request_frames_pool, + dma_pool_alloc(fusion->io_request_frames_pool, GFP_KERNEL, &fusion->io_request_frames_phys); if (!fusion->io_request_frames) { dev_err(&instance->pdev->dev, @@ -509,7 +509,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance) count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; fusion->reply_frames_desc_pool = - pci_pool_create("mr_reply", instance->pdev, + dma_pool_create("mr_reply", &instance->pdev->dev, fusion->reply_alloc_sz * count, 16, 0); if (!fusion->reply_frames_desc_pool) { @@ -519,7 +519,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance) } fusion->reply_frames_desc[0] = - pci_pool_alloc(fusion->reply_frames_desc_pool, + dma_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL, &fusion->reply_frames_desc_phys[0]); if (!fusion->reply_frames_desc[0]) { dev_err(&instance->pdev->dev, @@ -562,8 +562,10 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance) memset(fusion->rdpq_virt, 0, sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION); count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; - fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq", - instance->pdev, fusion->reply_alloc_sz, 16, 0); + fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq", + &instance->pdev->dev, + fusion->reply_alloc_sz, + 16, 0); if (!fusion->reply_frames_desc_pool) { dev_err(&instance->pdev->dev, @@ -573,7 +575,7 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance) for (i = 0; i < count; i++) { fusion->reply_frames_desc[i] = - pci_pool_alloc(fusion->reply_frames_desc_pool, + dma_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL, &fusion->reply_frames_desc_phys[i]); if (!fusion->reply_frames_desc[i]) { dev_err(&instance->pdev->dev, @@ -601,13 +603,13 @@ megasas_free_rdpq_fusion(struct megasas_instance *instance) { for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) { if (fusion->reply_frames_desc[i]) - pci_pool_free(fusion->reply_frames_desc_pool, + dma_pool_free(fusion->reply_frames_desc_pool, fusion->reply_frames_desc[i], fusion->reply_frames_desc_phys[i]); } if (fusion->reply_frames_desc_pool) - pci_pool_destroy(fusion->reply_frames_desc_pool); + dma_pool_destroy(fusion->reply_frames_desc_pool); if (fusion->rdpq_virt) pci_free_consistent(instance->pdev, @@ -623,12 +625,12 @@ megasas_free_reply_fusion(struct megasas_instance *instance) { fusion = instance->ctrl_context; if (fusion->reply_frames_desc[0]) - pci_pool_free(fusion->reply_frames_desc_pool, + dma_pool_free(fusion->reply_frames_desc_pool, fusion->reply_frames_desc[0], fusion->reply_frames_desc_phys[0]); if (fusion->reply_frames_desc_pool) - pci_pool_destroy(fusion->reply_frames_desc_pool); + dma_pool_destroy(fusion->reply_frames_desc_pool); } @@ -914,7 +916,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) ret = 1; goto fail_fw_init; } - dev_info(&instance->pdev->dev, "Init cmd success\n"); ret = 0; @@ -925,6 +926,10 @@ fail_fw_init: sizeof(struct MPI2_IOC_INIT_REQUEST), IOCInitMessage, ioc_init_handle); fail_get_cmd: + dev_err(&instance->pdev->dev, + "Init cmd return status %s for SCSI host %d\n", + ret ? "FAILED" : "SUCCESS", instance->host->host_no); + return ret; } @@ -1261,6 +1266,80 @@ megasas_display_intel_branding(struct megasas_instance *instance) } /** + * megasas_allocate_raid_maps - Allocate memory for RAID maps + * @instance: Adapter soft state + * + * return: if success: return 0 + * failed: return -ENOMEM + */ +static inline int megasas_allocate_raid_maps(struct megasas_instance *instance) +{ + struct fusion_context *fusion; + int i = 0; + + fusion = instance->ctrl_context; + + fusion->drv_map_pages = get_order(fusion->drv_map_sz); + + for (i = 0; i < 2; i++) { + fusion->ld_map[i] = NULL; + + fusion->ld_drv_map[i] = (void *) + __get_free_pages(__GFP_ZERO | GFP_KERNEL, + fusion->drv_map_pages); + + if (!fusion->ld_drv_map[i]) { + fusion->ld_drv_map[i] = vzalloc(fusion->drv_map_sz); + + if (!fusion->ld_drv_map[i]) { + dev_err(&instance->pdev->dev, + "Could not allocate memory for local map" + " size requested: %d\n", + fusion->drv_map_sz); + goto ld_drv_map_alloc_fail; + } + } + } + + for (i = 0; i < 2; i++) { + fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, + fusion->max_map_sz, + &fusion->ld_map_phys[i], + GFP_KERNEL); + if (!fusion->ld_map[i]) { + dev_err(&instance->pdev->dev, + "Could not allocate memory for map info %s:%d\n", + __func__, __LINE__); + goto ld_map_alloc_fail; + } + } + + return 0; + +ld_map_alloc_fail: + for (i = 0; i < 2; i++) { + if (fusion->ld_map[i]) + dma_free_coherent(&instance->pdev->dev, + fusion->max_map_sz, + fusion->ld_map[i], + fusion->ld_map_phys[i]); + } + +ld_drv_map_alloc_fail: + for (i = 0; i < 2; i++) { + if (fusion->ld_drv_map[i]) { + if (is_vmalloc_addr(fusion->ld_drv_map[i])) + vfree(fusion->ld_drv_map[i]); + else + free_pages((ulong)fusion->ld_drv_map[i], + fusion->drv_map_pages); + } + } + + return -ENOMEM; +} + +/** * megasas_init_adapter_fusion - Initializes the FW * @instance: Adapter soft state * @@ -1379,45 +1458,14 @@ megasas_init_adapter_fusion(struct megasas_instance *instance) instance->r1_ldio_hint_default = MR_R1_LDIO_PIGGYBACK_DEFAULT; fusion->fast_path_io = 0; - fusion->drv_map_pages = get_order(fusion->drv_map_sz); - for (i = 0; i < 2; i++) { - fusion->ld_map[i] = NULL; - fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL, - fusion->drv_map_pages); - if (!fusion->ld_drv_map[i]) { - dev_err(&instance->pdev->dev, "Could not allocate " - "memory for local map info for %d pages\n", - fusion->drv_map_pages); - if (i == 1) - free_pages((ulong)fusion->ld_drv_map[0], - fusion->drv_map_pages); - goto fail_ioc_init; - } - memset(fusion->ld_drv_map[i], 0, - ((1 << PAGE_SHIFT) << fusion->drv_map_pages)); - } - - for (i = 0; i < 2; i++) { - fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev, - fusion->max_map_sz, - &fusion->ld_map_phys[i], - GFP_KERNEL); - if (!fusion->ld_map[i]) { - dev_err(&instance->pdev->dev, "Could not allocate memory " - "for map info\n"); - goto fail_map_info; - } - } + if (megasas_allocate_raid_maps(instance)) + goto fail_ioc_init; if (!megasas_get_map_info(instance)) megasas_sync_map_info(instance); return 0; -fail_map_info: - if (i == 1) - dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz, - fusion->ld_map[0], fusion->ld_map_phys[0]); fail_ioc_init: megasas_free_cmds_fusion(instance); fail_alloc_cmds: @@ -3287,7 +3335,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance, mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT | MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR; - mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz); + mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size); } /** @@ -3369,17 +3417,13 @@ megasas_alloc_host_crash_buffer(struct megasas_instance *instance) { unsigned int i; - instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE); for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) { - instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL, - instance->crash_buf_pages); + instance->crash_buf[i] = vzalloc(CRASH_DMA_BUF_SIZE); if (!instance->crash_buf[i]) { dev_info(&instance->pdev->dev, "Firmware crash dump " "memory allocation failed at index %d\n", i); break; } - memset(instance->crash_buf[i], 0, - ((1 << PAGE_SHIFT) << instance->crash_buf_pages)); } instance->drv_buf_alloc = i; } @@ -3391,12 +3435,10 @@ megasas_alloc_host_crash_buffer(struct megasas_instance *instance) void megasas_free_host_crash_buffer(struct megasas_instance *instance) { - unsigned int i -; + unsigned int i; for (i = 0; i < instance->drv_buf_alloc; i++) { if (instance->crash_buf[i]) - free_pages((ulong)instance->crash_buf[i], - instance->crash_buf_pages); + vfree(instance->crash_buf[i]); } instance->drv_buf_index = 0; instance->drv_buf_alloc = 0; @@ -3556,6 +3598,7 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, } } + megasas_complete_cmd_dpc_fusion((unsigned long)instance); outstanding = atomic_read(&instance->fw_outstanding); if (!outstanding) goto out; @@ -3564,8 +3607,6 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance, dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " "commands to complete for scsi%d\n", i, outstanding, instance->host->host_no); - megasas_complete_cmd_dpc_fusion( - (unsigned long)instance); } msleep(1000); } @@ -3623,6 +3664,15 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance) if (!smid) continue; + + /* Do not refire shutdown command */ + if (le32_to_cpu(cmd_mfi->frame->dcmd.opcode) == + MR_DCMD_CTRL_SHUTDOWN) { + cmd_mfi->frame->dcmd.cmd_status = MFI_STAT_OK; + megasas_complete_cmd(instance, cmd_mfi, DID_OK); + continue; + } + req_desc = megasas_get_request_descriptor (instance, smid - 1); refire_cmd = req_desc && ((cmd_mfi->frame->dcmd.opcode != @@ -3750,7 +3800,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, struct megasas_cmd_fusion *cmd_fusion; struct megasas_cmd *cmd_mfi; union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; - struct fusion_context *fusion; + struct fusion_context *fusion = NULL; struct megasas_cmd_fusion *scsi_lookup; int rc; struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; @@ -3777,8 +3827,6 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, cmd_fusion->request_desc = req_desc; req_desc->Words = 0; - scsi_lookup = fusion->cmd_list[smid_task - 1]; - mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; @@ -3825,13 +3873,13 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, rc = SUCCESS; switch (type) { case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: + scsi_lookup = fusion->cmd_list[smid_task - 1]; + if (scsi_lookup->scmd == NULL) break; else { instance->instancet->disable_intr(instance); megasas_sync_irqs((unsigned long)instance); - megasas_complete_cmd_dpc_fusion - ((unsigned long)instance); instance->instancet->enable_intr(instance); if (scsi_lookup->scmd == NULL) break; @@ -3843,9 +3891,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, if ((channel == 0xFFFFFFFF) && (id == 0xFFFFFFFF)) break; instance->instancet->disable_intr(instance); - msleep(1000); - megasas_complete_cmd_dpc_fusion - ((unsigned long)instance); + megasas_sync_irqs((unsigned long)instance); rc = megasas_track_scsiio(instance, id, channel); instance->instancet->enable_intr(instance); @@ -4271,9 +4317,6 @@ transition_to_ready: megasas_fusion_update_can_queue(instance, OCR_CONTEXT); if (megasas_ioc_init_fusion(instance)) { - dev_warn(&instance->pdev->dev, - "megasas_ioc_init_fusion() failed! for " - "scsi%d\n", instance->host->host_no); if (instance->requestorId && !reason) goto fail_kill_adapter; else @@ -4319,6 +4362,10 @@ transition_to_ready: instance->instancet->enable_intr(instance); atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); + dev_info(&instance->pdev->dev, "Interrupts are enabled and" + " controller is OPERATIONAL for scsi:%d\n", + instance->host->host_no); + /* Restart SR-IOV heartbeat */ if (instance->requestorId) { if (!megasas_sriov_start_heartbeat(instance, 0)) @@ -4330,11 +4377,6 @@ transition_to_ready: instance->skip_heartbeat_timer_del = 1; } - /* Adapter reset completed successfully */ - dev_warn(&instance->pdev->dev, "Reset " - "successful for scsi%d.\n", - instance->host->host_no); - if (instance->crash_dump_drv_support && instance->crash_dump_app_support) megasas_set_crash_dump_params(instance, @@ -4344,6 +4386,12 @@ transition_to_ready: MR_CRASH_BUF_TURN_OFF); retval = SUCCESS; + + /* Adapter reset completed successfully */ + dev_warn(&instance->pdev->dev, + "Reset successful for scsi%d.\n", + instance->host->host_no); + goto out; } fail_kill_adapter: diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 18039bba26c4..87999905bca3 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -615,9 +615,9 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc, (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? "start" : "stop"); if (event_data->DiscoveryStatus) - pr_info("discovery_status(0x%08x)", + pr_cont(" discovery_status(0x%08x)", le32_to_cpu(event_data->DiscoveryStatus)); - pr_info("\n"); + pr_cont("\n"); return; } case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: @@ -3198,9 +3198,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) } if (ioc->sense) { - pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); - if (ioc->sense_dma_pool) - pci_pool_destroy(ioc->sense_dma_pool); + dma_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); + dma_pool_destroy(ioc->sense_dma_pool); dexitprintk(ioc, pr_info(MPT3SAS_FMT "sense_pool(0x%p): free\n", ioc->name, ioc->sense)); @@ -3208,9 +3207,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) } if (ioc->reply) { - pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); - if (ioc->reply_dma_pool) - pci_pool_destroy(ioc->reply_dma_pool); + dma_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); + dma_pool_destroy(ioc->reply_dma_pool); dexitprintk(ioc, pr_info(MPT3SAS_FMT "reply_pool(0x%p): free\n", ioc->name, ioc->reply)); @@ -3218,10 +3216,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) } if (ioc->reply_free) { - pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, + dma_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, ioc->reply_free_dma); - if (ioc->reply_free_dma_pool) - pci_pool_destroy(ioc->reply_free_dma_pool); + dma_pool_destroy(ioc->reply_free_dma_pool); dexitprintk(ioc, pr_info(MPT3SAS_FMT "reply_free_pool(0x%p): free\n", ioc->name, ioc->reply_free)); @@ -3232,7 +3229,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) do { rps = &ioc->reply_post[i]; if (rps->reply_post_free) { - pci_pool_free( + dma_pool_free( ioc->reply_post_free_dma_pool, rps->reply_post_free, rps->reply_post_free_dma); @@ -3244,8 +3241,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count)); - if (ioc->reply_post_free_dma_pool) - pci_pool_destroy(ioc->reply_post_free_dma_pool); + dma_pool_destroy(ioc->reply_post_free_dma_pool); kfree(ioc->reply_post); } @@ -3266,12 +3262,11 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) if (ioc->chain_lookup) { for (i = 0; i < ioc->chain_depth; i++) { if (ioc->chain_lookup[i].chain_buffer) - pci_pool_free(ioc->chain_dma_pool, + dma_pool_free(ioc->chain_dma_pool, ioc->chain_lookup[i].chain_buffer, ioc->chain_lookup[i].chain_buffer_dma); } - if (ioc->chain_dma_pool) - pci_pool_destroy(ioc->chain_dma_pool); + dma_pool_destroy(ioc->chain_dma_pool); free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); ioc->chain_lookup = NULL; } @@ -3446,23 +3441,23 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->name); goto out; } - ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", - ioc->pdev, sz, 16, 0); + ioc->reply_post_free_dma_pool = dma_pool_create("reply_post_free pool", + &ioc->pdev->dev, sz, 16, 0); if (!ioc->reply_post_free_dma_pool) { pr_err(MPT3SAS_FMT - "reply_post_free pool: pci_pool_create failed\n", + "reply_post_free pool: dma_pool_create failed\n", ioc->name); goto out; } i = 0; do { ioc->reply_post[i].reply_post_free = - pci_pool_alloc(ioc->reply_post_free_dma_pool, + dma_pool_alloc(ioc->reply_post_free_dma_pool, GFP_KERNEL, &ioc->reply_post[i].reply_post_free_dma); if (!ioc->reply_post[i].reply_post_free) { pr_err(MPT3SAS_FMT - "reply_post_free pool: pci_pool_alloc failed\n", + "reply_post_free pool: dma_pool_alloc failed\n", ioc->name); goto out; } @@ -3577,15 +3572,15 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->name); goto out; } - ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, + ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev, ioc->chain_segment_sz, 16, 0); if (!ioc->chain_dma_pool) { - pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n", + pr_err(MPT3SAS_FMT "chain_dma_pool: dma_pool_create failed\n", ioc->name); goto out; } for (i = 0; i < ioc->chain_depth; i++) { - ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( + ioc->chain_lookup[i].chain_buffer = dma_pool_alloc( ioc->chain_dma_pool , GFP_KERNEL, &ioc->chain_lookup[i].chain_buffer_dma); if (!ioc->chain_lookup[i].chain_buffer) { @@ -3630,17 +3625,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) /* sense buffers, 4 byte align */ sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; - ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, - 0); + ioc->sense_dma_pool = dma_pool_create("sense pool", &ioc->pdev->dev, sz, + 4, 0); if (!ioc->sense_dma_pool) { - pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n", + pr_err(MPT3SAS_FMT "sense pool: dma_pool_create failed\n", ioc->name); goto out; } - ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, + ioc->sense = dma_pool_alloc(ioc->sense_dma_pool, GFP_KERNEL, &ioc->sense_dma); if (!ioc->sense) { - pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n", + pr_err(MPT3SAS_FMT "sense pool: dma_pool_alloc failed\n", ioc->name); goto out; } @@ -3654,17 +3649,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) /* reply pool, 4 byte align */ sz = ioc->reply_free_queue_depth * ioc->reply_sz; - ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, - 0); + ioc->reply_dma_pool = dma_pool_create("reply pool", &ioc->pdev->dev, sz, + 4, 0); if (!ioc->reply_dma_pool) { - pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n", + pr_err(MPT3SAS_FMT "reply pool: dma_pool_create failed\n", ioc->name); goto out; } - ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, + ioc->reply = dma_pool_alloc(ioc->reply_dma_pool, GFP_KERNEL, &ioc->reply_dma); if (!ioc->reply) { - pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n", + pr_err(MPT3SAS_FMT "reply pool: dma_pool_alloc failed\n", ioc->name); goto out; } @@ -3680,17 +3675,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) /* reply free queue, 16 byte align */ sz = ioc->reply_free_queue_depth * 4; - ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", - ioc->pdev, sz, 16, 0); + ioc->reply_free_dma_pool = dma_pool_create("reply_free pool", + &ioc->pdev->dev, sz, 16, 0); if (!ioc->reply_free_dma_pool) { - pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n", + pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_create failed\n", ioc->name); goto out; } - ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, + ioc->reply_free = dma_pool_alloc(ioc->reply_free_dma_pool, GFP_KERNEL, &ioc->reply_free_dma); if (!ioc->reply_free) { - pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n", + pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_alloc failed\n", ioc->name); goto out; } @@ -3708,7 +3703,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->config_page_sz, &ioc->config_page_dma); if (!ioc->config_page) { pr_err(MPT3SAS_FMT - "config page: pci_pool_alloc failed\n", + "config page: dma_pool_alloc failed\n", ioc->name); goto out; } @@ -5499,10 +5494,10 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; mutex_init(&ioc->ctl_cmds.mutex); - if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || - !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || - !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || - !ioc->ctl_cmds.sense) { + if (!ioc->base_cmds.reply || !ioc->port_enable_cmds.reply || + !ioc->transport_cmds.reply || !ioc->scsih_cmds.reply || + !ioc->tm_cmds.reply || !ioc->config_cmds.reply || + !ioc->ctl_cmds.reply || !ioc->ctl_cmds.sense) { r = -ENOMEM; goto out_free_resources; } diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 099ab4ca7edf..a77bb7dc12b1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -970,7 +970,7 @@ struct MPT3SAS_ADAPTER { u8 id; int cpu_count; char name[MPT_NAME_LENGTH]; - char driver_name[MPT_NAME_LENGTH]; + char driver_name[MPT_NAME_LENGTH - 8]; char tmp_string[MPT_STRING_LENGTH]; struct pci_dev *pdev; Mpi2SystemInterfaceRegs_t __iomem *chip; diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index e7a7a704a315..d3940c5d079d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -1870,6 +1870,38 @@ _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) return rc; } +static int +_transport_map_smp_buffer(struct device *dev, struct bsg_buffer *buf, + dma_addr_t *dma_addr, size_t *dma_len, void **p) +{ + /* Check if the request is split across multiple segments */ + if (buf->sg_cnt > 1) { + *p = dma_alloc_coherent(dev, buf->payload_len, dma_addr, + GFP_KERNEL); + if (!*p) + return -ENOMEM; + *dma_len = buf->payload_len; + } else { + if (!dma_map_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL)) + return -ENOMEM; + *dma_addr = sg_dma_address(buf->sg_list); + *dma_len = sg_dma_len(buf->sg_list); + *p = NULL; + } + + return 0; +} + +static void +_transport_unmap_smp_buffer(struct device *dev, struct bsg_buffer *buf, + dma_addr_t dma_addr, void *p) +{ + if (p) + dma_free_coherent(dev, buf->payload_len, p, dma_addr); + else + dma_unmap_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL); +} + /** * _transport_smp_handler - transport portal for smp passthru * @shost: shost object @@ -1880,9 +1912,9 @@ _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) * Example: * smp_rep_general /sys/class/bsg/expander-5:0 */ -static int -_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, - struct request *req) +static void +_transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, + struct sas_rphy *rphy) { struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); Mpi2SmpPassthroughRequest_t *mpi_request; @@ -1891,33 +1923,25 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, u16 smid; u32 ioc_state; void *psge; - u8 issue_reset = 0; - dma_addr_t dma_addr_in = 0; - dma_addr_t dma_addr_out = 0; - dma_addr_t pci_dma_in = 0; - dma_addr_t pci_dma_out = 0; - void *pci_addr_in = NULL; - void *pci_addr_out = NULL; + dma_addr_t dma_addr_in; + dma_addr_t dma_addr_out; + void *addr_in = NULL; + void *addr_out = NULL; + size_t dma_len_in; + size_t dma_len_out; u16 wait_state_count; - struct request *rsp = req->next_rq; - struct bio_vec bvec; - struct bvec_iter iter; - - if (!rsp) { - pr_err(MPT3SAS_FMT "%s: the smp response space is missing\n", - ioc->name, __func__); - return -EINVAL; - } + unsigned int reslen = 0; if (ioc->shost_recovery || ioc->pci_error_recovery) { pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", __func__, ioc->name); - return -EFAULT; + rc = -EFAULT; + goto out; } rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); if (rc) - return rc; + goto out; if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", ioc->name, @@ -1927,58 +1951,20 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, } ioc->transport_cmds.status = MPT3_CMD_PENDING; - /* Check if the request is split across multiple segments */ - if (bio_multiple_segments(req->bio)) { - u32 offset = 0; - - /* Allocate memory and copy the request */ - pci_addr_out = pci_alloc_consistent(ioc->pdev, - blk_rq_bytes(req), &pci_dma_out); - if (!pci_addr_out) { - pr_info(MPT3SAS_FMT "%s(): PCI Addr out = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto out; - } - - bio_for_each_segment(bvec, req->bio, iter) { - memcpy(pci_addr_out + offset, - page_address(bvec.bv_page) + bvec.bv_offset, - bvec.bv_len); - offset += bvec.bv_len; - } - } else { - dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), - blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(ioc->pdev, dma_addr_out)) { - pr_info(MPT3SAS_FMT "%s(): DMA Addr out = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto free_pci; - } + rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->request_payload, + &dma_addr_out, &dma_len_out, &addr_out); + if (rc) + goto out; + if (addr_out) { + sg_copy_to_buffer(job->request_payload.sg_list, + job->request_payload.sg_cnt, addr_out, + job->request_payload.payload_len); } - /* Check if the response needs to be populated across - * multiple segments */ - if (bio_multiple_segments(rsp->bio)) { - pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp), - &pci_dma_in); - if (!pci_addr_in) { - pr_info(MPT3SAS_FMT "%s(): PCI Addr in = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto unmap; - } - } else { - dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), - blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(ioc->pdev, dma_addr_in)) { - pr_info(MPT3SAS_FMT "%s(): DMA Addr in = NULL\n", - ioc->name, __func__); - rc = -ENOMEM; - goto unmap; - } - } + rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->reply_payload, + &dma_addr_in, &dma_len_in, &addr_in); + if (rc) + goto unmap_out; wait_state_count = 0; ioc_state = mpt3sas_base_get_iocstate(ioc, 1); @@ -1988,7 +1974,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, "%s: failed due to ioc not operational\n", ioc->name, __func__); rc = -EFAULT; - goto unmap; + goto unmap_in; } ssleep(1); ioc_state = mpt3sas_base_get_iocstate(ioc, 1); @@ -2005,7 +1991,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", ioc->name, __func__); rc = -EAGAIN; - goto unmap; + goto unmap_in; } rc = 0; @@ -2018,15 +2004,11 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, mpi_request->SASAddress = (rphy) ? cpu_to_le64(rphy->identify.sas_address) : cpu_to_le64(ioc->sas_hba.sas_address); - mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); + mpi_request->RequestDataLength = cpu_to_le16(dma_len_out - 4); psge = &mpi_request->SGL; - if (bio_multiple_segments(req->bio)) - ioc->build_sg(ioc, psge, pci_dma_out, (blk_rq_bytes(req) - 4), - pci_dma_in, (blk_rq_bytes(rsp) + 4)); - else - ioc->build_sg(ioc, psge, dma_addr_out, (blk_rq_bytes(req) - 4), - dma_addr_in, (blk_rq_bytes(rsp) + 4)); + ioc->build_sg(ioc, psge, dma_addr_out, dma_len_out - 4, dma_addr_in, + dma_len_in - 4); dtransportprintk(ioc, pr_info(MPT3SAS_FMT "%s - sending smp request\n", ioc->name, __func__)); @@ -2040,83 +2022,51 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, __func__, ioc->name); _debug_dump_mf(mpi_request, sizeof(Mpi2SmpPassthroughRequest_t)/4); - if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; + if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) { + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); + rc = -ETIMEDOUT; + goto unmap_in; + } } dtransportprintk(ioc, pr_info(MPT3SAS_FMT "%s - complete\n", ioc->name, __func__)); - if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { - - mpi_reply = ioc->transport_cmds.reply; - - dtransportprintk(ioc, pr_info(MPT3SAS_FMT - "%s - reply data transfer size(%d)\n", - ioc->name, __func__, - le16_to_cpu(mpi_reply->ResponseDataLength))); - - memcpy(scsi_req(req)->sense, mpi_reply, sizeof(*mpi_reply)); - scsi_req(req)->sense_len = sizeof(*mpi_reply); - scsi_req(req)->resid_len = 0; - scsi_req(rsp)->resid_len -= - le16_to_cpu(mpi_reply->ResponseDataLength); - - /* check if the resp needs to be copied from the allocated - * pci mem */ - if (bio_multiple_segments(rsp->bio)) { - u32 offset = 0; - u32 bytes_to_copy = - le16_to_cpu(mpi_reply->ResponseDataLength); - bio_for_each_segment(bvec, rsp->bio, iter) { - if (bytes_to_copy <= bvec.bv_len) { - memcpy(page_address(bvec.bv_page) + - bvec.bv_offset, pci_addr_in + - offset, bytes_to_copy); - break; - } else { - memcpy(page_address(bvec.bv_page) + - bvec.bv_offset, pci_addr_in + - offset, bvec.bv_len); - bytes_to_copy -= bvec.bv_len; - } - offset += bvec.bv_len; - } - } - } else { + if (!(ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID)) { dtransportprintk(ioc, pr_info(MPT3SAS_FMT "%s - no reply\n", ioc->name, __func__)); rc = -ENXIO; + goto unmap_in; } - issue_host_reset: - if (issue_reset) { - mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); - rc = -ETIMEDOUT; - } + mpi_reply = ioc->transport_cmds.reply; - unmap: - if (dma_addr_out) - pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), - PCI_DMA_BIDIRECTIONAL); - if (dma_addr_in) - pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), - PCI_DMA_BIDIRECTIONAL); + dtransportprintk(ioc, + pr_info(MPT3SAS_FMT "%s - reply data transfer size(%d)\n", + ioc->name, __func__, + le16_to_cpu(mpi_reply->ResponseDataLength))); - free_pci: - if (pci_addr_out) - pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out, - pci_dma_out); + memcpy(job->reply, mpi_reply, sizeof(*mpi_reply)); + job->reply_len = sizeof(*mpi_reply); + reslen = le16_to_cpu(mpi_reply->ResponseDataLength); - if (pci_addr_in) - pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in, - pci_dma_in); + if (addr_in) { + sg_copy_to_buffer(job->reply_payload.sg_list, + job->reply_payload.sg_cnt, addr_in, + job->reply_payload.payload_len); + } + rc = 0; + unmap_in: + _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->reply_payload, + dma_addr_in, addr_in); + unmap_out: + _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->request_payload, + dma_addr_out, addr_out); out: ioc->transport_cmds.status = MPT3_CMD_NOT_USED; mutex_unlock(&ioc->transport_cmds.mutex); - return rc; + bsg_job_done(job, rc, reslen); } struct sas_function_template mpt3sas_transport_functions = { diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index e7f6661a8862..4f515700bdc3 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -121,21 +121,6 @@ err_out: return 0; } -static int mvme147_bus_reset(struct scsi_cmnd *cmd) -{ - /* FIXME perform bus-specific reset */ - - /* FIXME 2: kill this function, and let midlayer fallback to - the same result, calling wd33c93_host_reset() */ - - spin_lock_irq(cmd->device->host->host_lock); - wd33c93_host_reset(cmd); - spin_unlock_irq(cmd->device->host->host_lock); - - return SUCCESS; -} - - static struct scsi_host_template driver_template = { .proc_name = "MVME147", .name = "MVME147 built-in SCSI", @@ -143,7 +128,6 @@ static struct scsi_host_template driver_template = { .release = mvme147_release, .queuecommand = wd33c93_queuecommand, .eh_abort_handler = wd33c93_abort, - .eh_bus_reset_handler = mvme147_bus_reset, .eh_host_reset_handler = wd33c93_host_reset, .can_queue = CAN_QUEUE, .this_id = 7, diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 4e047b5001a6..718c88de328b 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -61,7 +61,7 @@ static struct scsi_host_template mvs_sht = { .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .eh_target_reset_handler = sas_eh_target_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = mvst_host_attrs, @@ -125,8 +125,7 @@ static void mvs_free(struct mvs_info *mvi) else slot_nr = MVS_CHIP_SLOT_SZ; - if (mvi->dma_pool) - pci_pool_destroy(mvi->dma_pool); + dma_pool_destroy(mvi->dma_pool); if (mvi->tx) dma_free_coherent(mvi->dev, @@ -296,7 +295,8 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost) goto err_out; sprintf(pool_name, "%s%d", "mvs_dma_pool", mvi->id); - mvi->dma_pool = pci_pool_create(pool_name, mvi->pdev, MVS_SLOT_BUF_SZ, 16, 0); + mvi->dma_pool = dma_pool_create(pool_name, &mvi->pdev->dev, + MVS_SLOT_BUF_SZ, 16, 0); if (!mvi->dma_pool) { printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name); goto err_out; @@ -557,14 +557,14 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent) SHOST_TO_SAS_HA(shost) = kcalloc(1, sizeof(struct sas_ha_struct), GFP_KERNEL); if (!SHOST_TO_SAS_HA(shost)) { - kfree(shost); + scsi_host_put(shost); rc = -ENOMEM; goto err_out_regions; } rc = mvs_prep_sas_ha_init(shost, chip); if (rc) { - kfree(shost); + scsi_host_put(shost); rc = -ENOMEM; goto err_out_regions; } diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index c7cc8035eacb..ee81d10252e0 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -790,7 +790,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf slot->n_elem = n_elem; slot->slot_tag = tag; - slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma); + slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma); if (!slot->buf) { rc = -ENOMEM; goto err_out_tag; @@ -840,7 +840,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf return rc; err_out_slot_buf: - pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma); + dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma); err_out_tag: mvs_tag_free(mvi, tag); err_out: @@ -918,7 +918,7 @@ static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task, } if (slot->buf) { - pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma); + dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma); slot->buf = NULL; } list_del_init(&slot->entry); diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c index 53c84771f0e8..107e191bf023 100644 --- a/drivers/scsi/nsp32.c +++ b/drivers/scsi/nsp32.c @@ -201,7 +201,6 @@ static int nsp32_release (struct Scsi_Host *); /* SCSI error handler */ static int nsp32_eh_abort (struct scsi_cmnd *); -static int nsp32_eh_bus_reset (struct scsi_cmnd *); static int nsp32_eh_host_reset(struct scsi_cmnd *); /* generate SCSI message */ @@ -276,8 +275,7 @@ static struct scsi_host_template nsp32_template = { .max_sectors = 128, .this_id = NSP32_HOST_SCSIID, .use_clustering = DISABLE_CLUSTERING, - .eh_abort_handler = nsp32_eh_abort, - .eh_bus_reset_handler = nsp32_eh_bus_reset, + .eh_abort_handler = nsp32_eh_abort, .eh_host_reset_handler = nsp32_eh_host_reset, /* .highmem_io = 1, */ }; @@ -2845,24 +2843,6 @@ static int nsp32_eh_abort(struct scsi_cmnd *SCpnt) return SUCCESS; } -static int nsp32_eh_bus_reset(struct scsi_cmnd *SCpnt) -{ - nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata; - unsigned int base = SCpnt->device->host->io_port; - - spin_lock_irq(SCpnt->device->host->host_lock); - - nsp32_msg(KERN_INFO, "Bus Reset"); - nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt); - - nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK); - nsp32_do_bus_reset(data); - nsp32_write2(base, IRQ_CONTROL, 0); - - spin_unlock_irq(SCpnt->device->host->host_lock); - return SUCCESS; /* SCSI bus reset is succeeded at any time. */ -} - static void nsp32_do_bus_reset(nsp32_hw_data *data) { unsigned int base = data->BaseAddress; diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index 929ee7e88120..20ec1c01dbd5 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -619,7 +619,7 @@ static int osst_verify_frame(struct osst_tape * STp, int frame_seq_number, int q os_aux_t * aux = STp->buffer->aux; os_partition_t * par = &(aux->partition); struct st_partstat * STps = &(STp->ps[STp->partition]); - int blk_cnt, blk_sz, i; + unsigned int blk_cnt, blk_sz, i; if (STp->raw) { if (STp->buffer->syscall_result) { @@ -5434,7 +5434,7 @@ static int append_to_buffer(const char __user *ubp, struct osst_buffer *st_bp, i for (i=0, offset=st_bp->buffer_bytes; i < st_bp->sg_segs && offset >= st_bp->sg[i].length; i++) - offset -= st_bp->sg[i].length; + offset -= st_bp->sg[i].length; if (i == st_bp->sg_segs) { /* Should never happen */ printk(KERN_WARNING "osst :A: Append_to_buffer offset overflow.\n"); return (-EIO); @@ -5667,12 +5667,12 @@ static struct osst_support_data support_list[] = { * sysfs support for osst driver parameter information */ -static ssize_t osst_version_show(struct device_driver *ddd, char *buf) +static ssize_t version_show(struct device_driver *ddd, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", osst_version); } -static DRIVER_ATTR(version, S_IRUGO, osst_version_show, NULL); +static DRIVER_ATTR_RO(version); static int osst_create_sysfs_files(struct device_driver *sysfs) { diff --git a/drivers/scsi/pcmcia/fdomain_stub.c b/drivers/scsi/pcmcia/fdomain_stub.c index 714b248f5d5e..953a792150ae 100644 --- a/drivers/scsi/pcmcia/fdomain_stub.c +++ b/drivers/scsi/pcmcia/fdomain_stub.c @@ -173,7 +173,7 @@ static void fdomain_release(struct pcmcia_device *link) static int fdomain_resume(struct pcmcia_device *link) { - fdomain_16x0_bus_reset(NULL); + fdomain_16x0_host_reset(NULL); return 0; } diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index c670dc704c74..0556054764dc 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -67,7 +67,7 @@ static struct scsi_host_template qlogicfas_driver_template = { .info = qlogicfas408_info, .queuecommand = qlogicfas408_queuecommand, .eh_abort_handler = qlogicfas408_abort, - .eh_bus_reset_handler = qlogicfas408_bus_reset, + .eh_host_reset_handler = qlogicfas408_host_reset, .bios_param = qlogicfas408_biosparam, .can_queue = 1, .this_id = -1, @@ -264,7 +264,7 @@ static int qlogic_resume(struct pcmcia_device *link) outb(0x04, link->resource[0]->start + 0xd); } /* Ugggglllyyyy!!! */ - qlogicfas408_bus_reset(NULL); + qlogicfas408_host_reset(NULL); return 0; } diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 034b2f7d1135..0e013f76b582 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -86,7 +86,7 @@ static struct scsi_host_template pm8001_sht = { .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = sas_eh_bus_reset_handler, + .eh_target_reset_handler = sas_eh_target_reset_handler, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = pm8001_host_attrs, @@ -160,8 +160,6 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha) } } PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); - if (pm8001_ha->shost) - scsi_host_put(pm8001_ha->shost); flush_workqueue(pm8001_wq); kfree(pm8001_ha->tags); kfree(pm8001_ha); @@ -1073,7 +1071,7 @@ err_out_ha_free: err_out_free: kfree(SHOST_TO_SAS_HA(shost)); err_out_free_host: - kfree(shost); + scsi_host_put(shost); err_out_regions: pci_release_regions(pdev); err_out_disable: @@ -1112,6 +1110,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev) for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) tasklet_kill(&pm8001_ha->tasklet[j]); #endif + scsi_host_put(pm8001_ha->shost); pm8001_free(pm8001_ha); kfree(sha->sas_phy); kfree(sha->sas_port); diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 1cc814f1505a..b4d6cd8cd1ad 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -1595,12 +1595,7 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) if (pinstance->ccn.hcam->notification_type == NOTIFICATION_TYPE_ENTRY_CHANGED && cfg_entry->resource_type == RES_TYPE_VSET) { - - if (fw_version <= PMCRAID_FW_VERSION_1) - hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0; - else - hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0; - + hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0; } else if (!pmcraid_expose_resource(fw_version, cfg_entry)) { goto out_notify_apps; } @@ -4655,13 +4650,13 @@ pmcraid_release_control_blocks( return; for (i = 0; i < max_index; i++) { - pci_pool_free(pinstance->control_pool, + dma_pool_free(pinstance->control_pool, pinstance->cmd_list[i]->ioa_cb, pinstance->cmd_list[i]->ioa_cb_bus_addr); pinstance->cmd_list[i]->ioa_cb = NULL; pinstance->cmd_list[i]->ioa_cb_bus_addr = 0; } - pci_pool_destroy(pinstance->control_pool); + dma_pool_destroy(pinstance->control_pool); pinstance->control_pool = NULL; } @@ -4718,8 +4713,8 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance) pinstance->host->unique_id); pinstance->control_pool = - pci_pool_create(pinstance->ctl_pool_name, - pinstance->pdev, + dma_pool_create(pinstance->ctl_pool_name, + &pinstance->pdev->dev, sizeof(struct pmcraid_control_block), PMCRAID_IOARCB_ALIGNMENT, 0); @@ -4728,7 +4723,7 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance) for (i = 0; i < PMCRAID_MAX_CMD; i++) { pinstance->cmd_list[i]->ioa_cb = - pci_pool_alloc( + dma_pool_alloc( pinstance->control_pool, GFP_KERNEL, &(pinstance->cmd_list[i]->ioa_cb_bus_addr)); diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h index 01eb2bc16dc1..8bfac72a242b 100644 --- a/drivers/scsi/pmcraid.h +++ b/drivers/scsi/pmcraid.h @@ -755,7 +755,7 @@ struct pmcraid_instance { /* structures related to command blocks */ struct kmem_cache *cmd_cachep; /* cache for cmd blocks */ - struct pci_pool *control_pool; /* pool for control blocks */ + struct dma_pool *control_pool; /* pool for control blocks */ char cmd_pool_name[64]; /* name of cmd cache */ char ctl_pool_name[64]; /* name of control cache */ diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index f6ad579280d4..7be5823ab036 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -970,7 +970,6 @@ static struct scsi_host_template ppa_template = { .name = "Iomega VPI0 (ppa) interface", .queuecommand = ppa_queuecommand, .eh_abort_handler = ppa_abort, - .eh_bus_reset_handler = ppa_reset, .eh_host_reset_handler = ppa_reset, .bios_param = ppa_biosparam, .this_id = -1, diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index 351f06dfc5a0..9bf7b227e69a 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -300,7 +300,6 @@ struct qedf_ctx { #define QEDF_FALLBACK_VLAN 1002 #define QEDF_DEFAULT_PRIO 3 int vlan_id; - uint vlan_hw_insert:1; struct qed_dev *cdev; struct qed_dev_fcoe_info dev_info; struct qed_int_info int_info; @@ -443,7 +442,6 @@ extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); extern int qedf_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd); extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); -extern void qedf_update_src_mac(struct fc_lport *lport, u8 *addr); extern u8 *qedf_get_src_mac(struct fc_lport *lport); extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); diff --git a/drivers/scsi/qedf/qedf_fip.c b/drivers/scsi/qedf/qedf_fip.c index aefd24ca9604..773558fc0697 100644 --- a/drivers/scsi/qedf/qedf_fip.c +++ b/drivers/scsi/qedf/qedf_fip.c @@ -108,7 +108,6 @@ void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb) { struct qedf_ctx *qedf = container_of(fip, struct qedf_ctx, ctlr); struct ethhdr *eth_hdr; - struct vlan_ethhdr *vlan_hdr; struct fip_header *fiph; u16 op, vlan_tci = 0; u8 sub; @@ -124,16 +123,14 @@ void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb) op = ntohs(fiph->fip_op); sub = fiph->fip_subcode; - if (!qedf->vlan_hw_insert) { - vlan_hdr = skb_push(skb, sizeof(*vlan_hdr) - sizeof(*eth_hdr)); - memcpy(vlan_hdr, eth_hdr, 2 * ETH_ALEN); - vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q); - vlan_hdr->h_vlan_encapsulated_proto = eth_hdr->h_proto; - vlan_hdr->h_vlan_TCI = vlan_tci = htons(qedf->vlan_id); - } + /* + * Add VLAN tag to non-offload FIP frame based on current stored VLAN + * for FIP/FCoE traffic. + */ + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id); - /* Update eth_hdr since we added a VLAN tag */ - eth_hdr = (struct ethhdr *)skb_mac_header(skb); + /* Get VLAN ID from skb for printing purposes */ + __vlan_hwaccel_get_tag(skb, &vlan_tci); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FIP frame send: " "dest=%pM op=%x sub=%x vlan=%04x.", eth_hdr->h_dest, op, sub, @@ -174,7 +171,6 @@ void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb) /* Handle FIP VLAN resp in the driver */ if (op == FIP_OP_VLAN && sub == FIP_SC_VL_NOTE) { qedf_fcoe_process_vlan_resp(qedf, skb); - qedf->vlan_hw_insert = 0; kfree_skb(skb); } else if (op == FIP_OP_CTRL && sub == FIP_SC_CLR_VLINK) { QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Clear virtual " @@ -242,26 +238,9 @@ void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb) } } -void qedf_update_src_mac(struct fc_lport *lport, u8 *addr) -{ - struct qedf_ctx *qedf = lport_priv(lport); - - QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, - "Setting data_src_addr=%pM.\n", addr); - ether_addr_copy(qedf->data_src_addr, addr); -} - u8 *qedf_get_src_mac(struct fc_lport *lport) { - u8 mac[ETH_ALEN]; - u8 port_id[3]; struct qedf_ctx *qedf = lport_priv(lport); - /* We need to use the lport port_id to create the data_src_addr */ - if (is_zero_ether_addr(qedf->data_src_addr)) { - hton24(port_id, lport->port_id); - fc_fcoe_set_mac(mac, port_id); - qedf->ctlr.update_mac(lport, mac); - } return qedf->data_src_addr; } diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 1d13c9ca517d..7c0064500cc5 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -18,6 +18,7 @@ #include <linux/kthread.h> #include <scsi/libfc.h> #include <scsi/scsi_host.h> +#include <scsi/fc_frame.h> #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/cpu.h> @@ -42,7 +43,7 @@ MODULE_PARM_DESC(dev_loss_tmo, " dev_loss_tmo setting for attached " uint qedf_debug = QEDF_LOG_INFO; module_param_named(debug, qedf_debug, uint, S_IRUGO); -MODULE_PARM_DESC(qedf_debug, " Debug mask. Pass '1' to enable default debugging" +MODULE_PARM_DESC(debug, " Debug mask. Pass '1' to enable default debugging" " mask"); static uint qedf_fipvlan_retries = 30; @@ -163,7 +164,7 @@ static void qedf_handle_link_update(struct work_struct *work) QEDF_WARN(&(qedf->dbg_ctx), "Did not receive FIP VLAN " "response, falling back to default VLAN %d.\n", qedf_fallback_vlan); - qedf_set_vlan_id(qedf, QEDF_FALLBACK_VLAN); + qedf_set_vlan_id(qedf, qedf_fallback_vlan); /* * Zero out data_src_addr so we'll update it with the new @@ -187,6 +188,50 @@ static void qedf_handle_link_update(struct work_struct *work) } } +#define QEDF_FCOE_MAC_METHOD_GRANGED_MAC 1 +#define QEDF_FCOE_MAC_METHOD_FCF_MAP 2 +#define QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC 3 +static void qedf_set_data_src_addr(struct qedf_ctx *qedf, struct fc_frame *fp) +{ + u8 *granted_mac; + struct fc_frame_header *fh = fc_frame_header_get(fp); + u8 fc_map[3]; + int method = 0; + + /* Get granted MAC address from FIP FLOGI payload */ + granted_mac = fr_cb(fp)->granted_mac; + + /* + * We set the source MAC for FCoE traffic based on the Granted MAC + * address from the switch. + * + * If granted_mac is non-zero, we used that. + * If the granted_mac is zeroed out, created the FCoE MAC based on + * the sel_fcf->fc_map and the d_id fo the FLOGI frame. + * If sel_fcf->fc_map is 0 then we use the default FCF-MAC plus the + * d_id of the FLOGI frame. + */ + if (!is_zero_ether_addr(granted_mac)) { + ether_addr_copy(qedf->data_src_addr, granted_mac); + method = QEDF_FCOE_MAC_METHOD_GRANGED_MAC; + } else if (qedf->ctlr.sel_fcf->fc_map != 0) { + hton24(fc_map, qedf->ctlr.sel_fcf->fc_map); + qedf->data_src_addr[0] = fc_map[0]; + qedf->data_src_addr[1] = fc_map[1]; + qedf->data_src_addr[2] = fc_map[2]; + qedf->data_src_addr[3] = fh->fh_d_id[0]; + qedf->data_src_addr[4] = fh->fh_d_id[1]; + qedf->data_src_addr[5] = fh->fh_d_id[2]; + method = QEDF_FCOE_MAC_METHOD_FCF_MAP; + } else { + fc_fcoe_set_mac(qedf->data_src_addr, fh->fh_d_id); + method = QEDF_FCOE_MAC_METHOD_FCOE_SET_MAC; + } + + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "QEDF data_src_mac=%pM method=%d.\n", qedf->data_src_addr, method); +} + static void qedf_flogi_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg) { @@ -212,6 +257,10 @@ static void qedf_flogi_resp(struct fc_seq *seq, struct fc_frame *fp, /* Log stats for FLOGI reject */ if (fc_frame_payload_op(fp) == ELS_LS_RJT) qedf->flogi_failed++; + else if (fc_frame_payload_op(fp) == ELS_LS_ACC) { + /* Set the source MAC we will use for FCoE traffic */ + qedf_set_data_src_addr(qedf, fp); + } /* Complete flogi_compl so we can proceed to sending ADISCs */ complete(&qedf->flogi_compl); @@ -312,8 +361,9 @@ static void qedf_link_recovery(struct work_struct *work) /* Since the link when down and up to verify which vlan we're on */ qedf->fipvlan_retries = qedf_fipvlan_retries; rc = qedf_initiate_fipvlan_req(qedf); + /* If getting the VLAN fails, set the VLAN to the fallback one */ if (!rc) - return; + qedf_set_vlan_id(qedf, qedf_fallback_vlan); /* * We need to wait for an FCF to be selected due to the @@ -629,16 +679,6 @@ static int qedf_eh_device_reset(struct scsi_cmnd *sc_cmd) return qedf_initiate_tmf(sc_cmd, FCP_TMF_LUN_RESET); } -static int qedf_eh_bus_reset(struct scsi_cmnd *sc_cmd) -{ - QEDF_ERR(NULL, "BUS RESET Issued...\n"); - /* - * Essentially a no-op but return SUCCESS to prevent - * unnecessary escalation to the host reset handler. - */ - return SUCCESS; -} - void qedf_wait_for_upload(struct qedf_ctx *qedf) { while (1) { @@ -716,7 +756,6 @@ static struct scsi_host_template qedf_host_template = { .eh_abort_handler = qedf_eh_abort, .eh_device_reset_handler = qedf_eh_device_reset, /* lun reset */ .eh_target_reset_handler = qedf_eh_target_reset, /* target reset */ - .eh_bus_reset_handler = qedf_eh_bus_reset, .eh_host_reset_handler = qedf_eh_host_reset, .slave_configure = qedf_slave_configure, .dma_boundary = QED_HW_DMA_BOUNDARY, @@ -915,6 +954,10 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) skb->mac_len = elen; skb->protocol = htons(ETH_P_FCOE); + /* + * Add VLAN tag to non-offload FCoE frame based on current stored VLAN + * for FIP/FCoE traffic. + */ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id); /* fill up mac and fcoe headers */ @@ -927,7 +970,7 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) ether_addr_copy(eh->h_dest, qedf->ctlr.dest_addr); /* Set the source MAC address */ - fc_fcoe_set_mac(eh->h_source, fh->fh_s_id); + ether_addr_copy(eh->h_source, qedf->data_src_addr); hp = (struct fcoe_hdr *)(eh + 1); memset(hp, 0, sizeof(*hp)); @@ -1025,7 +1068,6 @@ static int qedf_offload_connection(struct qedf_ctx *qedf, { struct qed_fcoe_params_offload conn_info; u32 port_id; - u8 lport_src_id[3]; int rval; uint16_t total_sqe = (fcport->sq_mem_size / sizeof(struct fcoe_wqe)); @@ -1054,11 +1096,7 @@ static int qedf_offload_connection(struct qedf_ctx *qedf, (dma_addr_t)(*(u64 *)(fcport->sq_pbl + 8)); /* Need to use our FCoE MAC for the offload session */ - port_id = fc_host_port_id(qedf->lport->host); - lport_src_id[2] = (port_id & 0x000000FF); - lport_src_id[1] = (port_id & 0x0000FF00) >> 8; - lport_src_id[0] = (port_id & 0x00FF0000) >> 16; - fc_fcoe_set_mac(conn_info.src_mac, lport_src_id); + ether_addr_copy(conn_info.src_mac, qedf->data_src_addr); ether_addr_copy(conn_info.dst_mac, qedf->ctlr.dest_addr); @@ -1347,7 +1385,6 @@ static void qedf_fcoe_ctlr_setup(struct qedf_ctx *qedf) fcoe_ctlr_init(&qedf->ctlr, FIP_ST_AUTO); qedf->ctlr.send = qedf_fip_send; - qedf->ctlr.update_mac = qedf_update_src_mac; qedf->ctlr.get_src_addr = qedf_get_src_mac; ether_addr_copy(qedf->ctlr.ctl_src_addr, qedf->mac); } @@ -2939,7 +2976,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) sprintf(host_buf, "qedf_%u_link", qedf->lport->host->host_no); - qedf->link_update_wq = create_singlethread_workqueue(host_buf); + qedf->link_update_wq = create_workqueue(host_buf); INIT_DELAYED_WORK(&qedf->link_update, qedf_handle_link_update); INIT_DELAYED_WORK(&qedf->link_recovery, qedf_link_recovery); @@ -3056,9 +3093,24 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "MAC address is %pM.\n", qedf->mac); - /* Set the WWNN and WWPN based on the MAC address */ - qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0); - qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0); + /* + * Set the WWNN and WWPN in the following way: + * + * If the info we get from qed is non-zero then use that to set the + * WWPN and WWNN. Otherwise fall back to use fcoe_wwn_from_mac() based + * on the MAC address. + */ + if (qedf->dev_info.wwnn != 0 && qedf->dev_info.wwpn != 0) { + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "Setting WWPN and WWNN from qed dev_info.\n"); + qedf->wwnn = qedf->dev_info.wwnn; + qedf->wwpn = qedf->dev_info.wwpn; + } else { + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "Setting WWPN and WWNN using fcoe_wwn_from_mac().\n"); + qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0); + qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0); + } QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "WWNN=%016llx " "WWPN=%016llx.\n", qedf->wwnn, qedf->wwpn); @@ -3094,7 +3146,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) /* Start LL2 processing thread */ snprintf(host_buf, 20, "qedf_%d_ll2", host->host_no); qedf->ll2_recv_wq = - create_singlethread_workqueue(host_buf); + create_workqueue(host_buf); if (!qedf->ll2_recv_wq) { QEDF_ERR(&(qedf->dbg_ctx), "Failed to LL2 workqueue.\n"); goto err7; @@ -3114,8 +3166,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) } set_bit(QEDF_LL2_STARTED, &qedf->flags); - /* hw will be insterting vlan tag*/ - qedf->vlan_hw_insert = 1; + /* Set initial FIP/FCoE VLAN to NULL */ qedf->vlan_id = 0; /* @@ -3137,7 +3188,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) sprintf(host_buf, "qedf_%u_timer", qedf->lport->host->host_no); qedf->timer_work_queue = - create_singlethread_workqueue(host_buf); + create_workqueue(host_buf); if (!qedf->timer_work_queue) { QEDF_ERR(&(qedf->dbg_ctx), "Failed to start timer " "workqueue.\n"); @@ -3148,7 +3199,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) if (mode != QEDF_MODE_RECOVERY) { sprintf(host_buf, "qedf_%u_dpc", qedf->lport->host->host_no); - qedf->dpc_wq = create_singlethread_workqueue(host_buf); + qedf->dpc_wq = create_workqueue(host_buf); } /* diff --git a/drivers/scsi/qedf/qedf_version.h b/drivers/scsi/qedf/qedf_version.h index 6fa442061c32..397b3b8ee51a 100644 --- a/drivers/scsi/qedf/qedf_version.h +++ b/drivers/scsi/qedf/qedf_version.h @@ -7,9 +7,9 @@ * this source tree. */ -#define QEDF_VERSION "8.18.22.0" +#define QEDF_VERSION "8.20.5.0" #define QEDF_DRIVER_MAJOR_VER 8 -#define QEDF_DRIVER_MINOR_VER 18 -#define QEDF_DRIVER_REV_VER 22 +#define QEDF_DRIVER_MINOR_VER 20 +#define QEDF_DRIVER_REV_VER 5 #define QEDF_DRIVER_ENG_VER 0 diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h index 91d2f51c351b..b8b22ce60ecc 100644 --- a/drivers/scsi/qedi/qedi.h +++ b/drivers/scsi/qedi/qedi.h @@ -54,8 +54,8 @@ struct qedi_endpoint; /* MAX Length for cached SGL */ #define MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1) -#define MAX_NUM_MSIX_PF 8 -#define MIN_NUM_CPUS_MSIX(x) min((x)->msix_count, num_online_cpus()) +#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ + num_online_cpus()) #define QEDI_LOCAL_PORT_MIN 60000 #define QEDI_LOCAL_PORT_MAX 61024 @@ -301,7 +301,6 @@ struct qedi_ctx { u16 bdq_prod_idx; u16 rq_num_entries; - u32 msix_count; u32 max_sqes; u8 num_queues; u32 max_active_conns; diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 37da9a8b43b1..a02b34ea5cab 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -534,7 +534,7 @@ static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep) SET_FIELD(conn_info->tcp_flags, TCP_OFFLOAD_PARAMS_DA_CNT_EN, 1); SET_FIELD(conn_info->tcp_flags, TCP_OFFLOAD_PARAMS_KA_EN, 1); - conn_info->default_cq = (qedi_ep->fw_cid % 8); + conn_info->default_cq = (qedi_ep->fw_cid % qedi->num_queues); conn_info->ka_max_probe_cnt = DEF_KA_MAX_PROBE_COUNT; conn_info->dup_ack_theshold = 3; diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 2c3783684815..cccc34adc0e0 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -794,13 +794,14 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi) u32 log_page_size; int rval = 0; - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_DISC, "Min number of MSIX %d\n", - MIN_NUM_CPUS_MSIX(qedi)); num_sq_pages = (MAX_OUSTANDING_TASKS_PER_CON * 8) / PAGE_SIZE; qedi->num_queues = MIN_NUM_CPUS_MSIX(qedi); + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, + "Number of CQ count is %d\n", qedi->num_queues); + memset(&qedi->pf_params.iscsi_pf_params, 0, sizeof(qedi->pf_params.iscsi_pf_params)); @@ -1575,7 +1576,7 @@ struct qedi_cmd *qedi_get_cmd_from_tid(struct qedi_ctx *qedi, u32 tid) { struct qedi_cmd *cmd = NULL; - if (tid > MAX_ISCSI_TASK_ENTRIES) + if (tid >= MAX_ISCSI_TASK_ENTRIES) return NULL; cmd = qedi->itt_map[tid].p_cmd; @@ -2179,9 +2180,12 @@ static int __qedi_probe(struct pci_dev *pdev, int mode) goto free_host; } - qedi->msix_count = MAX_NUM_MSIX_PF; atomic_set(&qedi->link_state, QEDI_LINK_DOWN); + rc = qedi_ops->fill_dev_info(qedi->cdev, &qedi->dev_info); + if (rc) + goto free_host; + if (mode != QEDI_MODE_RECOVERY) { rc = qedi_set_iscsi_pf_param(qedi); if (rc) { diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 08a1feb3a195..9ce28c4f9812 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -318,6 +318,8 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, return -EINVAL; if (start > ha->optrom_size) return -EINVAL; + if (size > ha->optrom_size - start) + size = ha->optrom_size - start; mutex_lock(&ha->optrom_mutex); switch (val) { @@ -343,8 +345,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, } ha->optrom_region_start = start; - ha->optrom_region_size = start + size > ha->optrom_size ? - ha->optrom_size - start : size; + ha->optrom_region_size = start + size; ha->optrom_state = QLA_SREADING; ha->optrom_buffer = vmalloc(ha->optrom_region_size); @@ -417,8 +418,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, } ha->optrom_region_start = start; - ha->optrom_region_size = start + size > ha->optrom_size ? - ha->optrom_size - start : size; + ha->optrom_region_size = start + size; ha->optrom_state = QLA_SWRITING; ha->optrom_buffer = vmalloc(ha->optrom_region_size); @@ -565,47 +565,17 @@ qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj, { struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, struct device, kobj))); - struct qla_hw_data *ha = vha->hw; - uint16_t iter, addr, offset; int rval; - if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2) + if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE) return 0; - if (ha->sfp_data) - goto do_read; - - ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, - &ha->sfp_data_dma); - if (!ha->sfp_data) { - ql_log(ql_log_warn, vha, 0x706c, - "Unable to allocate memory for SFP read-data.\n"); + if (qla2x00_reset_active(vha)) return 0; - } - -do_read: - memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); - addr = 0xa0; - for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE; - iter++, offset += SFP_BLOCK_SIZE) { - if (iter == 4) { - /* Skip to next device address. */ - addr = 0xa2; - offset = 0; - } - - rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data, - addr, offset, SFP_BLOCK_SIZE, BIT_1); - if (rval != QLA_SUCCESS) { - ql_log(ql_log_warn, vha, 0x706d, - "Unable to read SFP data (%x/%x/%x).\n", rval, - addr, offset); - return -EIO; - } - memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); - buf += SFP_BLOCK_SIZE; - } + rval = qla2x00_read_sfp_dev(vha, buf, count); + if (rval) + return -EIO; return count; } @@ -615,7 +585,7 @@ static struct bin_attribute sysfs_sfp_attr = { .name = "sfp", .mode = S_IRUSR | S_IWUSR, }, - .size = SFP_DEV_SIZE * 2, + .size = SFP_DEV_SIZE, .read = qla2x00_sysfs_read_sfp, }; @@ -1511,6 +1481,38 @@ qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr, ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]); } +static ssize_t +qla2x00_min_link_speed_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA27XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->min_link_speed == 5 ? "32Gps" : + ha->min_link_speed == 4 ? "16Gps" : + ha->min_link_speed == 3 ? "8Gps" : + ha->min_link_speed == 2 ? "4Gps" : + ha->min_link_speed != 0 ? "unknown" : ""); +} + +static ssize_t +qla2x00_max_speed_sup_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA27XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->max_speed_sup ? "32Gps" : "16Gps"); +} + static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL); static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); @@ -1556,6 +1558,8 @@ static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR, qla2x00_allow_cna_fw_dump_show, qla2x00_allow_cna_fw_dump_store); static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL); +static DEVICE_ATTR(min_link_speed, S_IRUGO, qla2x00_min_link_speed_show, NULL); +static DEVICE_ATTR(max_speed_sup, S_IRUGO, qla2x00_max_speed_sup_show, NULL); struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_driver_version, @@ -1590,6 +1594,8 @@ struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_fw_dump_size, &dev_attr_allow_cna_fw_dump, &dev_attr_pep_version, + &dev_attr_min_link_speed, + &dev_attr_max_speed_sup, NULL, }; diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 26751d34bcf2..3e9dc54b89a3 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -14,7 +14,7 @@ * | Module Init and Probe | 0x0193 | 0x0146 | * | | | 0x015b-0x0160 | * | | | 0x016e | - * | Mailbox commands | 0x1199 | 0x1193 | + * | Mailbox commands | 0x1205 | 0x11a2-0x11ff | * | Device Discovery | 0x2134 | 0x210e-0x2116 | * | | | 0x211a | * | | | 0x211c-0x2128 | @@ -41,7 +41,7 @@ * | | | 0x70ad-0x70ae | * | | | 0x70d0-0x70d6 | * | | | 0x70d7-0x70db | - * | Task Management | 0x8042 | 0x8000,0x800b | + * | Task Management | 0x8042 | 0x8000 | * | | | 0x8019 | * | | | 0x8025,0x8026 | * | | | 0x8031,0x8032 | @@ -2520,8 +2520,6 @@ qla83xx_fw_dump_failed: static inline int ql_mask_match(uint32_t level) { - if (ql2xextended_error_logging == 1) - ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK; return (level & ql2xextended_error_logging) == level; } @@ -2738,9 +2736,9 @@ ql_dump_regs(uint32_t level, scsi_qla_host_t *vha, int32_t id) mbx_reg = MAILBOX_REG(ha, reg, 0); ql_dbg(level, vha, id, "Mailbox registers:\n"); - for (i = 0; i < 6; i++) + for (i = 0; i < 6; i++, mbx_reg++) ql_dbg(level, vha, id, - "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++)); + "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg)); } diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 0730b10b4280..486c075998f6 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -427,6 +427,7 @@ struct srb_iocb { enum nvmefc_fcp_datadir dir; uint32_t dl; uint32_t timeout_sec; + struct list_head entry; } nvme; } u; @@ -470,7 +471,7 @@ typedef struct srb { uint8_t cmd_type; uint8_t pad[3]; atomic_t ref_count; - wait_queue_head_t nvme_ls_waitQ; + wait_queue_head_t nvme_ls_waitq; struct fc_port *fcport; struct scsi_qla_host *vha; uint32_t handle; @@ -901,6 +902,7 @@ struct mbx_cmd_32 { #define MBA_SHUTDOWN_REQUESTED 0x8062 /* Shutdown Requested */ #define MBA_TEMPERATURE_ALERT 0x8070 /* Temperature Alert */ #define MBA_DPORT_DIAGNOSTICS 0x8080 /* D-port Diagnostics */ +#define MBA_TRANS_INSERT 0x8130 /* Transceiver Insertion */ #define MBA_FW_INIT_FAILURE 0x8401 /* Firmware initialization failure */ #define MBA_MIRROR_LUN_CHANGE 0x8402 /* Mirror LUN State Change Notification */ @@ -977,6 +979,7 @@ struct mbx_cmd_32 { #define MBC_ABORT_TARGET 0x17 /* Abort target (ID). */ #define MBC_RESET 0x18 /* Reset. */ #define MBC_GET_ADAPTER_LOOP_ID 0x20 /* Get loop id of ISP2200. */ +#define MBC_GET_SET_ZIO_THRESHOLD 0x21 /* Get/SET ZIO THRESHOLD. */ #define MBC_GET_RETRY_COUNT 0x22 /* Get f/w retry cnt/delay. */ #define MBC_DISABLE_VI 0x24 /* Disable VI operation. */ #define MBC_ENABLE_VI 0x25 /* Enable VI operation. */ @@ -2301,8 +2304,7 @@ typedef struct fc_port { unsigned int login_succ:1; struct work_struct nvme_del_work; - atomic_t nvme_ref_count; - wait_queue_head_t nvme_waitQ; + struct completion nvme_del_done; uint32_t nvme_prli_service_param; #define NVME_PRLI_SP_CONF BIT_7 #define NVME_PRLI_SP_INITIATOR BIT_5 @@ -3338,6 +3340,7 @@ struct qla_qpair { struct work_struct q_work; struct list_head qp_list_elem; /* vha->qp_list */ struct list_head hints_list; + struct list_head nvme_done_list; uint16_t cpuid; struct qla_tgt_counters tgt_counters; }; @@ -3463,8 +3466,15 @@ struct qla_hw_data { uint32_t n2n_ae:1; uint32_t fw_started:1; uint32_t fw_init_done:1; + + uint32_t detected_lr_sfp:1; + uint32_t using_lr_setting:1; } flags; + uint16_t long_range_distance; /* 32G & above */ +#define LR_DISTANCE_5K 1 +#define LR_DISTANCE_10K 0 + /* This spinlock is used to protect "io transactions", you must * acquire it before doing any IO to the card, eg with RD_REG*() and * WRT_REG*() for the duration of your entire commandtransaction. @@ -3712,7 +3722,7 @@ struct qla_hw_data { struct sns_cmd_pkt *sns_cmd; dma_addr_t sns_cmd_dma; -#define SFP_DEV_SIZE 256 +#define SFP_DEV_SIZE 512 #define SFP_BLOCK_SIZE 64 void *sfp_data; dma_addr_t sfp_data_dma; @@ -4017,8 +4027,20 @@ struct qla_hw_data { struct qlt_hw_data tgt; int allow_cna_fw_dump; + uint32_t fw_ability_mask; + uint16_t min_link_speed; + uint16_t max_speed_sup; + + atomic_t nvme_active_aen_cnt; + uint16_t nvme_last_rptd_aen; /* Last recorded aen count */ }; +#define FW_ABILITY_MAX_SPEED_MASK 0xFUL +#define FW_ABILITY_MAX_SPEED_16G 0x0 +#define FW_ABILITY_MAX_SPEED_32G 0x1 +#define FW_ABILITY_MAX_SPEED(ha) \ + (ha->fw_ability_mask & FW_ABILITY_MAX_SPEED_MASK) + /* * Qlogic scsi host structure */ @@ -4089,6 +4111,8 @@ typedef struct scsi_qla_host { #define FX00_CRITEMP_RECOVERY 25 #define FX00_HOST_INFO_RESEND 26 #define QPAIR_ONLINE_CHECK_NEEDED 27 +#define SET_ZIO_THRESHOLD_NEEDED 28 +#define DETECT_SFP_CHANGE 29 unsigned long pci_flags; #define PFLG_DISCONNECTED 0 /* PCI device removed */ @@ -4129,8 +4153,7 @@ typedef struct scsi_qla_host { uint8_t fabric_node_name[WWN_SIZE]; struct nvme_fc_local_port *nvme_local_port; - atomic_t nvme_ref_count; - wait_queue_head_t nvme_waitQ; + struct completion nvme_del_done; struct list_head nvme_rport_list; atomic_t nvme_active_aen_cnt; uint16_t nvme_last_rptd_aen; @@ -4199,6 +4222,7 @@ typedef struct scsi_qla_host { int fcport_count; wait_queue_head_t fcport_waitQ; wait_queue_head_t vref_waitq; + uint8_t min_link_speed_feat; } scsi_qla_host_t; struct qla27xx_image_status { @@ -4373,6 +4397,88 @@ enum nexus_wait_type { WAIT_LUN, }; +/* Refer to SNIA SFF 8247 */ +struct sff_8247_a0 { + u8 txid; /* transceiver id */ + u8 ext_txid; + u8 connector; + /* compliance code */ + u8 eth_infi_cc3; /* ethernet, inifiband */ + u8 sonet_cc4[2]; + u8 eth_cc6; + /* link length */ +#define FC_LL_VL BIT_7 /* very long */ +#define FC_LL_S BIT_6 /* Short */ +#define FC_LL_I BIT_5 /* Intermidiate*/ +#define FC_LL_L BIT_4 /* Long */ +#define FC_LL_M BIT_3 /* Medium */ +#define FC_LL_SA BIT_2 /* ShortWave laser */ +#define FC_LL_LC BIT_1 /* LongWave laser */ +#define FC_LL_EL BIT_0 /* Electrical inter enclosure */ + u8 fc_ll_cc7; + /* FC technology */ +#define FC_TEC_EL BIT_7 /* Electrical inter enclosure */ +#define FC_TEC_SN BIT_6 /* short wave w/o OFC */ +#define FC_TEC_SL BIT_5 /* short wave with OFC */ +#define FC_TEC_LL BIT_4 /* Longwave Laser */ +#define FC_TEC_ACT BIT_3 /* Active cable */ +#define FC_TEC_PAS BIT_2 /* Passive cable */ + u8 fc_tec_cc8; + /* Transmission Media */ +#define FC_MED_TW BIT_7 /* Twin Ax */ +#define FC_MED_TP BIT_6 /* Twited Pair */ +#define FC_MED_MI BIT_5 /* Min Coax */ +#define FC_MED_TV BIT_4 /* Video Coax */ +#define FC_MED_M6 BIT_3 /* Multimode, 62.5um */ +#define FC_MED_M5 BIT_2 /* Multimode, 50um */ +#define FC_MED_SM BIT_0 /* Single Mode */ + u8 fc_med_cc9; + /* speed FC_SP_12: 12*100M = 1200 MB/s */ +#define FC_SP_12 BIT_7 +#define FC_SP_8 BIT_6 +#define FC_SP_16 BIT_5 +#define FC_SP_4 BIT_4 +#define FC_SP_32 BIT_3 +#define FC_SP_2 BIT_2 +#define FC_SP_1 BIT_0 + u8 fc_sp_cc10; + u8 encode; + u8 bitrate; + u8 rate_id; + u8 length_km; /* offset 14/eh */ + u8 length_100m; + u8 length_50um_10m; + u8 length_62um_10m; + u8 length_om4_10m; + u8 length_om3_10m; +#define SFF_VEN_NAME_LEN 16 + u8 vendor_name[SFF_VEN_NAME_LEN]; /* offset 20/14h */ + u8 tx_compat; + u8 vendor_oui[3]; +#define SFF_PART_NAME_LEN 16 + u8 vendor_pn[SFF_PART_NAME_LEN]; /* part number */ + u8 vendor_rev[4]; + u8 wavelength[2]; + u8 resv; + u8 cc_base; + u8 options[2]; /* offset 64 */ + u8 br_max; + u8 br_min; + u8 vendor_sn[16]; + u8 date_code[8]; + u8 diag; + u8 enh_options; + u8 sff_revision; + u8 cc_ext; + u8 vendor_specific[32]; + u8 resv2[128]; +}; + +#define AUTO_DETECT_SFP_SUPPORT(_vha)\ + (ql2xautodetectsfp && !_vha->vp_idx && \ + (IS_QLA25XX(_vha->hw) || IS_QLA81XX(_vha->hw) ||\ + IS_QLA83XX(_vha->hw) || IS_QLA27XX(_vha->hw))) + #define USER_CTRL_IRQ(_ha) (ql2xuctrlirq && QLA_TGT_MODE_ENABLED() && \ (IS_QLA27XX(_ha) || IS_QLA83XX(_ha))) diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index b9c9886e8b1d..bec641aae7b3 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -1699,6 +1699,15 @@ struct access_chip_rsp_84xx { #define FAC_OPT_CMD_UNLOCK_SEMAPHORE 0x04 #define FAC_OPT_CMD_GET_SECTOR_SIZE 0x05 +/* enhanced features bit definitions */ +#define NEF_LR_DIST_ENABLE BIT_0 + +/* LR Distance bit positions */ +#define LR_DIST_NV_POS 2 +#define LR_DIST_FW_POS 12 +#define LR_DIST_FW_SHIFT (LR_DIST_FW_POS - LR_DIST_NV_POS) +#define LR_DIST_FW_FIELD(x) ((x) << LR_DIST_FW_SHIFT & 0xf000) + struct nvram_81xx { /* NVRAM header. */ uint8_t id[4]; @@ -1745,7 +1754,9 @@ struct nvram_81xx { uint16_t reserved_6_3[14]; /* Offset 192. */ - uint16_t reserved_7[32]; + uint8_t min_link_speed; + uint8_t reserved_7_0; + uint16_t reserved_7[31]; /* * BIT 0 = Enable spinup delay @@ -1839,16 +1850,13 @@ struct nvram_81xx { uint8_t reserved_21[16]; uint16_t reserved_22[3]; - /* - * BIT 0 = Extended BB credits for LR - * BIT 1 = Virtual Fabric Enable - * BIT 2 = Enhanced Features Unused - * BIT 3-7 = Enhanced Features Reserved + /* Offset 406 (0x196) Enhanced Features + * BIT 0 = Extended BB credits for LR + * BIT 1 = Virtual Fabric Enable + * BIT 2-5 = Distance Support if BIT 0 is on + * BIT 6-15 = Unused */ - /* Enhanced Features */ - uint8_t enhanced_features; - - uint8_t reserved_23; + uint16_t enhanced_features; uint16_t reserved_24[4]; /* Offset 416. */ diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index cadb6e3baacc..f852ca60c49f 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -10,17 +10,6 @@ #include <linux/interrupt.h> /* - * Global functions prototype in qla_nvme.c source file. - */ -extern void qla_nvme_register_hba(scsi_qla_host_t *); -extern int qla_nvme_register_remote(scsi_qla_host_t *, fc_port_t *); -extern void qla_nvme_delete(scsi_qla_host_t *); -extern void qla_nvme_abort(struct qla_hw_data *, srb_t *sp); -extern void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *, struct pt_ls4_request *, - struct req_que *); -extern void qla24xx_async_gffid_sp_done(void *, int); - -/* * Global Function Prototypes in qla_init.c source file. */ extern int qla2x00_initialize_adapter(scsi_qla_host_t *); @@ -116,13 +105,15 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *, fc_port_t *, int qla24xx_post_newsess_work(struct scsi_qla_host *, port_id_t *, u8 *, void *); int qla24xx_fcport_handle_login(struct scsi_qla_host *, fc_port_t *); - +int qla24xx_detect_sfp(scsi_qla_host_t *vha); +int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8); /* * Global Data in qla_os.c source file. */ extern char qla2x00_version_str[]; extern struct kmem_cache *srb_cachep; +extern struct kmem_cache *qla_tgt_plogi_cachep; extern int ql2xlogintimeout; extern int qlport_down_retry; @@ -153,6 +144,7 @@ extern int ql2xfwholdabts; extern int ql2xmvasynctoatio; extern int ql2xuctrlirq; extern int ql2xnvmeenable; +extern int ql2xautodetectsfp; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); @@ -495,6 +487,9 @@ int qla24xx_gidlist_wait(struct scsi_qla_host *, void *, dma_addr_t, int __qla24xx_parse_gpdb(struct scsi_qla_host *, fc_port_t *, struct port_database_24xx *); +extern int qla27xx_get_zio_threshold(scsi_qla_host_t *, uint16_t *); +extern int qla27xx_set_zio_threshold(scsi_qla_host_t *, uint16_t); + /* * Global Function Prototypes in qla_isr.c source file. */ @@ -804,6 +799,7 @@ extern char *qdev_state(uint32_t); extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *); extern int qla82xx_read_temperature(scsi_qla_host_t *); extern int qla8044_read_temperature(scsi_qla_host_t *); +extern int qla2x00_read_sfp_dev(struct scsi_qla_host *, char *, int); /* BSG related functions */ extern int qla24xx_bsg_request(struct bsg_job *); @@ -873,4 +869,6 @@ void qlt_update_host_map(struct scsi_qla_host *, port_id_t); void qlt_remove_target_resources(struct qla_hw_data *); void qlt_clr_qp_table(struct scsi_qla_host *vha); +void qla_nvme_cmpl_io(struct srb_iocb *); + #endif /* _QLA_GBL_H */ diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index b323a7c71eda..bc3db6abc9a0 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -2816,13 +2816,19 @@ void qla24xx_handle_gidpn_event(scsi_qla_host_t *vha, struct event_arg *ea) case MODE_INITIATOR: case MODE_DUAL: default: + ql_dbg(ql_dbg_disc, vha, 0x201f, + "%s %d %8phC post %s\n", __func__, + __LINE__, fcport->port_name, + (atomic_read(&fcport->state) == + FCS_ONLINE) ? "gpdb" : "gnl"); + if (atomic_read(&fcport->state) == FCS_ONLINE) - break; - ql_dbg(ql_dbg_disc, vha, 0x201f, - "%s %d %8phC post gnl\n", - __func__, __LINE__, fcport->port_name); - qla24xx_post_gnl_work(vha, fcport); + qla24xx_post_gpdb_work(vha, + fcport, PDO_FORCE_ADISC); + else + qla24xx_post_gnl_work(vha, + fcport); break; } } else { /* fcport->d_id.b24 != ea->id.b24 */ @@ -3080,7 +3086,7 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) GPSC_RSP_SIZE); /* GPSC req */ - memcpy(ct_req->req.gpsc.port_name, fcport->port_name, + memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name, WWN_SIZE); sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 072ad1aa5505..b5b48ddca962 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -36,7 +36,6 @@ static int qla2x00_restart_isp(scsi_qla_host_t *); static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); static int qla84xx_init_chip(scsi_qla_host_t *); static int qla25xx_init_queues(struct qla_hw_data *); -static int qla24xx_post_gpdb_work(struct scsi_qla_host *, fc_port_t *, u8); static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *); static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *, struct event_arg *); @@ -774,8 +773,7 @@ done_free_sp: return rval; } -static int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, - u8 opt) +int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) { struct qla_work_evt *e; @@ -808,6 +806,12 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) if (!sp) goto done; + sp->type = SRB_MB_IOCB; + sp->name = "gpdb"; + sp->gen1 = fcport->rscn_gen; + sp->gen2 = fcport->login_gen; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0xd043, @@ -816,12 +820,6 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) } memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); - sp->type = SRB_MB_IOCB; - sp->name = "gpdb"; - sp->gen1 = fcport->rscn_gen; - sp->gen2 = fcport->login_gen; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_GET_PORT_DATABASE; mb[1] = fcport->loop_id; @@ -1466,6 +1464,7 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) __func__, __LINE__, ea->fcport->port_name); ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; ea->fcport->logout_on_delete = 1; + ea->fcport->send_els_logo = 0; qla24xx_post_gpdb_work(vha, ea->fcport, 0); } break; @@ -2823,6 +2822,147 @@ qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req) return QLA_SUCCESS; } +#define PRINT_FIELD(_field, _flag, _str) { \ + if (a0->_field & _flag) {\ + if (p) {\ + strcat(ptr, "|");\ + ptr++;\ + leftover--;\ + } \ + len = snprintf(ptr, leftover, "%s", _str); \ + p = 1;\ + leftover -= len;\ + ptr += len; \ + } \ +} + +static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha) +{ +#define STR_LEN 64 + struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data; + u8 str[STR_LEN], *ptr, p; + int leftover, len; + + memset(str, 0, STR_LEN); + snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name); + ql_dbg(ql_dbg_init, vha, 0x015a, + "SFP MFG Name: %s\n", str); + + memset(str, 0, STR_LEN); + snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn); + ql_dbg(ql_dbg_init, vha, 0x015c, + "SFP Part Name: %s\n", str); + + /* media */ + memset(str, 0, STR_LEN); + ptr = str; + leftover = STR_LEN; + p = len = 0; + PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX"); + PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair"); + PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax"); + PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax"); + PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um"); + PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um"); + PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode"); + ql_dbg(ql_dbg_init, vha, 0x0160, + "SFP Media: %s\n", str); + + /* link length */ + memset(str, 0, STR_LEN); + ptr = str; + leftover = STR_LEN; + p = len = 0; + PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long"); + PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short"); + PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate"); + PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long"); + PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium"); + ql_dbg(ql_dbg_init, vha, 0x0196, + "SFP Link Length: %s\n", str); + + memset(str, 0, STR_LEN); + ptr = str; + leftover = STR_LEN; + p = len = 0; + PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)"); + PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)"); + PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)"); + PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)"); + PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)"); + ql_dbg(ql_dbg_init, vha, 0x016e, + "SFP FC Link Tech: %s\n", str); + + if (a0->length_km) + ql_dbg(ql_dbg_init, vha, 0x016f, + "SFP Distant: %d km\n", a0->length_km); + if (a0->length_100m) + ql_dbg(ql_dbg_init, vha, 0x0170, + "SFP Distant: %d m\n", a0->length_100m*100); + if (a0->length_50um_10m) + ql_dbg(ql_dbg_init, vha, 0x0189, + "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10); + if (a0->length_62um_10m) + ql_dbg(ql_dbg_init, vha, 0x018a, + "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10); + if (a0->length_om4_10m) + ql_dbg(ql_dbg_init, vha, 0x0194, + "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10); + if (a0->length_om3_10m) + ql_dbg(ql_dbg_init, vha, 0x0195, + "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10); +} + + +/* + * Return Code: + * QLA_SUCCESS: no action + * QLA_INTERFACE_ERROR: SFP is not there. + * QLA_FUNCTION_FAILED: detected New SFP + */ +int +qla24xx_detect_sfp(scsi_qla_host_t *vha) +{ + int rc = QLA_SUCCESS; + struct sff_8247_a0 *a; + struct qla_hw_data *ha = vha->hw; + + if (!AUTO_DETECT_SFP_SUPPORT(vha)) + goto out; + + rc = qla2x00_read_sfp_dev(vha, NULL, 0); + if (rc) + goto out; + + a = (struct sff_8247_a0 *)vha->hw->sfp_data; + qla2xxx_print_sfp_info(vha); + + if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) { + /* long range */ + ha->flags.detected_lr_sfp = 1; + + if (a->length_km > 5 || a->length_100m > 50) + ha->long_range_distance = LR_DISTANCE_10K; + else + ha->long_range_distance = LR_DISTANCE_5K; + + if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting) + ql_dbg(ql_dbg_async, vha, 0x507b, + "Detected Long Range SFP.\n"); + } else { + /* short range */ + ha->flags.detected_lr_sfp = 0; + if (ha->flags.using_lr_setting) + ql_dbg(ql_dbg_async, vha, 0x5084, + "Detected Short Range SFP.\n"); + } + + if (!vha->flags.init_done) + rc = QLA_SUCCESS; +out: + return rc; +} + /** * qla2x00_setup_chip() - Load and start RISC firmware. * @ha: HA context @@ -2879,6 +3019,8 @@ qla2x00_setup_chip(scsi_qla_host_t *vha) rval = qla2x00_execute_fw(vha, srisc_address); /* Retrieve firmware information. */ if (rval == QLA_SUCCESS) { + qla24xx_detect_sfp(vha); + rval = qla2x00_set_exlogins_buffer(vha); if (rval != QLA_SUCCESS) goto failed; @@ -4609,24 +4751,16 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) qla2x00_fdmi_register(vha); /* Ensure we are logged into the SNS. */ - if (IS_FWI2_CAPABLE(ha)) - loop_id = NPH_SNS; - else - loop_id = SIMPLE_NAME_SERVER; + loop_id = NPH_SNS_LID(ha); rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, 0xfc, mb, BIT_1|BIT_0); - if (rval != QLA_SUCCESS) { + if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { + ql_dbg(ql_dbg_disc, vha, 0x20a1, + "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n", + loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); return rval; } - if (mb[0] != MBS_COMMAND_COMPLETE) { - ql_dbg(ql_dbg_disc, vha, 0x20a1, - "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x " - "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1], - mb[2], mb[6], mb[7]); - return (QLA_SUCCESS); - } - if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) { if (qla2x00_rft_id(vha)) { /* EMPTY */ @@ -4804,6 +4938,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha) new_fcport->fc4_type = swl[swl_idx].fc4_type; new_fcport->nvme_flag = 0; + new_fcport->fc4f_nvme = 0; if (vha->flags.nvme_enabled && swl[swl_idx].fc4f_nvme) { new_fcport->fc4f_nvme = @@ -5913,7 +6048,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha) if (!status) { ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__); - + qla2x00_configure_hba(vha); spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry(vp, &ha->vp_list, list) { if (vp->vp_idx) { @@ -7804,7 +7939,9 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, ha->queue_pair_map[qpair_id] = qpair; qpair->id = qpair_id; qpair->vp_idx = vp_idx; + qpair->fw_started = ha->flags.fw_started; INIT_LIST_HEAD(&qpair->hints_list); + INIT_LIST_HEAD(&qpair->nvme_done_list); qpair->chip_reset = ha->base_qpair->chip_reset; qpair->enable_class_2 = ha->base_qpair->enable_class_2; qpair->enable_explicit_conf = diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index a36c485fae50..2f94159186d7 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2682,12 +2682,12 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) uint32_t *cur_dsd; struct scatterlist *sg; int index; - uint16_t tot_dsds; + uint16_t cmd_dsds, rsp_dsds; scsi_qla_host_t *vha = sp->vha; struct qla_hw_data *ha = vha->hw; struct bsg_job *bsg_job = sp->u.bsg_job; - int loop_iterartion = 0; int entry_count = 1; + cont_a64_entry_t *cont_pkt = NULL; ct_iocb->entry_type = CT_IOCB_TYPE; ct_iocb->entry_status = 0; @@ -2698,30 +2698,46 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) ct_iocb->vp_index = sp->vha->vp_idx; ct_iocb->comp_status = cpu_to_le16(0); - ct_iocb->cmd_dsd_count = - cpu_to_le16(bsg_job->request_payload.sg_cnt); + cmd_dsds = bsg_job->request_payload.sg_cnt; + rsp_dsds = bsg_job->reply_payload.sg_cnt; + + ct_iocb->cmd_dsd_count = cpu_to_le16(cmd_dsds); ct_iocb->timeout = 0; - ct_iocb->rsp_dsd_count = - cpu_to_le16(bsg_job->reply_payload.sg_cnt); - ct_iocb->rsp_byte_count = - cpu_to_le32(bsg_job->reply_payload.payload_len); + ct_iocb->rsp_dsd_count = cpu_to_le16(rsp_dsds); ct_iocb->cmd_byte_count = cpu_to_le32(bsg_job->request_payload.payload_len); - ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address - (bsg_job->request_payload.sg_list))); - ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address - (bsg_job->request_payload.sg_list))); - ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len - (bsg_job->request_payload.sg_list)); - avail_dsds = 1; - cur_dsd = (uint32_t *)ct_iocb->dseg_1_address; + avail_dsds = 2; + cur_dsd = (uint32_t *)ct_iocb->dseg_0_address; index = 0; - tot_dsds = bsg_job->reply_payload.sg_cnt; - for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) { + for_each_sg(bsg_job->request_payload.sg_list, sg, cmd_dsds, index) { + dma_addr_t sle_dma; + + /* Allocate additional continuation packets? */ + if (avail_dsds == 0) { + /* + * Five DSDs are available in the Cont. + * Type 1 IOCB. + */ + cont_pkt = qla2x00_prep_cont_type1_iocb( + vha, ha->req_q_map[0]); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + entry_count++; + } + + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + + index = 0; + + for_each_sg(bsg_job->reply_payload.sg_list, sg, rsp_dsds, index) { dma_addr_t sle_dma; - cont_a64_entry_t *cont_pkt; /* Allocate additional continuation packets? */ if (avail_dsds == 0) { @@ -2740,7 +2756,6 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); - loop_iterartion++; avail_dsds--; } ct_iocb->entry_count = entry_count; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 7b3b702ef622..9d9668aac6f6 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -14,6 +14,8 @@ #include <scsi/scsi_tcq.h> #include <scsi/scsi_bsg_fc.h> #include <scsi/scsi_eh.h> +#include <scsi/fc/fc_fs.h> +#include <linux/nvme-fc-driver.h> static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); @@ -452,7 +454,7 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) uint16_t peg_fw_state, nw_interface_link_up; uint16_t nw_interface_signal_detect, sfp_status; uint16_t htbt_counter, htbt_monitor_enable; - uint16_t sfp_additonal_info, sfp_multirate; + uint16_t sfp_additional_info, sfp_multirate; uint16_t sfp_tx_fault, link_speed, dcbx_status; /* @@ -492,7 +494,7 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) sfp_status = ((mb[2] & 0x0c00) >> 10); htbt_counter = ((mb[2] & 0x7000) >> 12); htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); - sfp_additonal_info = (mb[6] & 0x0003); + sfp_additional_info = (mb[6] & 0x0003); sfp_multirate = ((mb[6] & 0x0004) >> 2); sfp_tx_fault = ((mb[6] & 0x0008) >> 3); link_speed = ((mb[6] & 0x0070) >> 4); @@ -507,9 +509,9 @@ qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) sfp_status); ql_log(ql_log_warn, vha, 0x5067, "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " - "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", + "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", htbt_counter, htbt_monitor_enable, - sfp_additonal_info, sfp_multirate); + sfp_additional_info, sfp_multirate); ql_log(ql_log_warn, vha, 0x5068, "sfp_tx_fault=0x%x, link_state=0x%x, " "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, @@ -799,6 +801,11 @@ skip_rio: vha->flags.management_server_logged_in = 0; qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); + + if (AUTO_DETECT_SFP_SUPPORT(vha)) { + set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } break; case MBA_LOOP_DOWN: /* Loop Down Event */ @@ -1228,6 +1235,11 @@ global_port_update: schedule_work(&ha->board_disable); break; + case MBA_TRANS_INSERT: + ql_dbg(ql_dbg_async, vha, 0x5091, + "Transceiver Insertion: %04x\n", mb[1]); + break; + default: ql_dbg(ql_dbg_async, vha, 0x5057, "Unknown AEN:%04x %04x %04x %04x\n", @@ -1537,8 +1549,6 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; - bsg_job = sp->u.bsg_job; - bsg_reply = bsg_job->reply; type = NULL; switch (sp->type) { @@ -1577,6 +1587,8 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT * fc payload to the caller */ + bsg_job = sp->u.bsg_job; + bsg_reply = bsg_job->reply; bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); @@ -1823,7 +1835,7 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) nvme = &sp->u.iocb_cmd; if (unlikely(nvme->u.nvme.aen_op)) - atomic_dec(&sp->vha->nvme_active_aen_cnt); + atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); /* * State flags: Bit 6 and 0. @@ -1856,17 +1868,42 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) fd->transferred_length = fd->payload_length - le32_to_cpu(sts->residual_len); + /* + * If transport error then Failure (HBA rejects request) + * otherwise transport will handle. + */ if (sts->entry_status) { ql_log(ql_log_warn, fcport->vha, 0x5038, "NVME-%s error - hdl=%x entry-status(%x).\n", sp->name, sp->handle, sts->entry_status); ret = QLA_FUNCTION_FAILED; - } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { - ql_log(ql_log_warn, fcport->vha, 0x5039, - "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", - sp->name, sp->handle, sts->comp_status, - le32_to_cpu(sts->residual_len), sts->ox_id); - ret = QLA_FUNCTION_FAILED; + } else { + switch (le16_to_cpu(sts->comp_status)) { + case CS_COMPLETE: + ret = 0; + break; + + case CS_ABORTED: + case CS_RESET: + case CS_PORT_UNAVAILABLE: + case CS_PORT_LOGGED_OUT: + case CS_PORT_BUSY: + ql_log(ql_log_warn, fcport->vha, 0x5060, + "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", + sp->name, sp->handle, sts->comp_status, + le32_to_cpu(sts->residual_len), sts->ox_id); + fd->transferred_length = fd->payload_length; + ret = QLA_ABORTED; + break; + + default: + ql_log(ql_log_warn, fcport->vha, 0x5060, + "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", + sp->name, sp->handle, sts->comp_status, + le32_to_cpu(sts->residual_len), sts->ox_id); + ret = QLA_FUNCTION_FAILED; + break; + } } sp->done(sp, ret); } @@ -2827,8 +2864,8 @@ qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, sp->done(sp, 0); } -void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *vha, struct pt_ls4_request *pkt, - struct req_que *req) +void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, + struct pt_ls4_request *pkt, struct req_que *req) { srb_t *sp; const char func[] = "LS4_IOCB"; @@ -3132,7 +3169,6 @@ qla24xx_msix_rsp_q(int irq, void *dev_id) struct device_reg_24xx __iomem *reg; struct scsi_qla_host *vha; unsigned long flags; - uint32_t stat = 0; rsp = (struct rsp_que *) dev_id; if (!rsp) { @@ -3146,19 +3182,11 @@ qla24xx_msix_rsp_q(int irq, void *dev_id) spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); - /* - * Use host_status register to check to PCI disconnection before we - * we process the response queue. - */ - stat = RD_REG_DWORD(®->host_status); - if (qla2x00_check_reg32_for_disconnect(vha, stat)) - goto out; qla24xx_process_response_queue(vha, rsp); if (!ha->flags.disable_msix_handshake) { WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); RD_REG_DWORD_RELAXED(®->hccr); } -out: spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; @@ -3429,7 +3457,7 @@ msix_register_fail: } /* Enable MSI-X vector for response queue update for queue 0 */ - if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { if (ha->msixbase && ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || ql2xmqsupport)) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 7c6d1a404011..99502fa90810 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -54,6 +54,10 @@ static struct rom_cmd { { MBC_GET_MEM_OFFLOAD_CNTRL_STAT }, { MBC_GET_RETRY_COUNT }, { MBC_TRACE_CONTROL }, + { MBC_INITIALIZE_MULTIQ }, + { MBC_IOCB_COMMAND_A64 }, + { MBC_GET_ADAPTER_LOOP_ID }, + { MBC_READ_SFP }, }; static int is_rom_cmd(uint16_t cmd) @@ -102,7 +106,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) uint16_t __iomem *optr; uint32_t cnt; uint32_t mboxes; - uint16_t __iomem *mbx_reg; unsigned long wait_time; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); @@ -486,21 +489,24 @@ premature_exit: mbx_done: if (rval) { - ql_dbg(ql_dbg_disc, base_vha, 0x1020, - "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n", - mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command); - + if (ql2xextended_error_logging & (ql_dbg_disc|ql_dbg_mbx)) { + pr_warn("%s [%s]-%04x:%ld: **** Failed", QL_MSGHDR, + dev_name(&ha->pdev->dev), 0x1020+0x800, + vha->host_no); + mboxes = mcp->in_mb; + cnt = 4; + for (i = 0; i < ha->mbx_count && cnt; i++, mboxes >>= 1) + if (mboxes & BIT_0) { + printk(" mb[%u]=%x", i, mcp->mb[i]); + cnt--; + } + pr_warn(" cmd=%x ****\n", command); + } ql_dbg(ql_dbg_mbx, vha, 0x1198, - "host status: 0x%x, flags:0x%lx, intr ctrl reg:0x%x, intr status:0x%x\n", + "host_status=%#x intr_ctrl=%#x intr_status=%#x\n", RD_REG_DWORD(®->isp24.host_status), - ha->fw_dump_cap_flags, RD_REG_DWORD(®->isp24.ictrl), RD_REG_DWORD(®->isp24.istatus)); - - mbx_reg = ®->isp24.mailbox0; - for (i = 0; i < 6; i++) - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1199, - "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++)); } else { ql_dbg(ql_dbg_mbx, base_vha, 0x1021, "Done %s.\n", __func__); } @@ -561,6 +567,28 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr, #define EXTENDED_BB_CREDITS BIT_0 #define NVME_ENABLE_FLAG BIT_3 +static inline uint16_t qla25xx_set_sfp_lr_dist(struct qla_hw_data *ha) +{ + uint16_t mb4 = BIT_0; + + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) + mb4 |= ha->long_range_distance << LR_DIST_FW_POS; + + return mb4; +} + +static inline uint16_t qla25xx_set_nvr_lr_dist(struct qla_hw_data *ha) +{ + uint16_t mb4 = BIT_0; + + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + struct nvram_81xx *nv = ha->nvram; + + mb4 |= LR_DIST_FW_FIELD(nv->enhanced_features); + } + + return mb4; +} /* * qla2x00_execute_fw @@ -595,17 +623,44 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) mcp->mb[1] = MSW(risc_addr); mcp->mb[2] = LSW(risc_addr); mcp->mb[3] = 0; + mcp->mb[4] = 0; + ha->flags.using_lr_setting = 0; if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { - struct nvram_81xx *nv = ha->nvram; - mcp->mb[4] = (nv->enhanced_features & - EXTENDED_BB_CREDITS); - } else - mcp->mb[4] = 0; + if (ql2xautodetectsfp) { + if (ha->flags.detected_lr_sfp) { + mcp->mb[4] |= + qla25xx_set_sfp_lr_dist(ha); + ha->flags.using_lr_setting = 1; + } + } else { + struct nvram_81xx *nv = ha->nvram; + /* set LR distance if specified in nvram */ + if (nv->enhanced_features & + NEF_LR_DIST_ENABLE) { + mcp->mb[4] |= + qla25xx_set_nvr_lr_dist(ha); + ha->flags.using_lr_setting = 1; + } + } + } if (ql2xnvmeenable && IS_QLA27XX(ha)) mcp->mb[4] |= NVME_ENABLE_FLAG; + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + struct nvram_81xx *nv = ha->nvram; + /* set minimum speed if specified in nvram */ + if (nv->min_link_speed >= 2 && + nv->min_link_speed <= 5) { + mcp->mb[4] |= BIT_4; + mcp->mb[11] = nv->min_link_speed; + mcp->out_mb |= MBX_11; + mcp->in_mb |= BIT_5; + vha->min_link_speed_feat = nv->min_link_speed; + } + } + if (ha->flags.exlogins_enabled) mcp->mb[4] |= ENABLE_EXTENDED_LOGIN; @@ -613,7 +668,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) mcp->mb[4] |= ENABLE_EXCHANGE_OFFLD; mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1; - mcp->in_mb |= MBX_1; + mcp->in_mb |= MBX_3 | MBX_2 | MBX_1; } else { mcp->mb[1] = LSW(risc_addr); mcp->out_mb |= MBX_1; @@ -632,12 +687,30 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); } else { if (IS_FWI2_CAPABLE(ha)) { - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1027, - "Done exchanges=%x.\n", mcp->mb[1]); - } else { - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028, - "Done %s.\n", __func__); + ha->fw_ability_mask = mcp->mb[3] << 16 | mcp->mb[2]; + ql_dbg(ql_dbg_mbx, vha, 0x119a, + "fw_ability_mask=%x.\n", ha->fw_ability_mask); + ql_dbg(ql_dbg_mbx, vha, 0x1027, + "exchanges=%x.\n", mcp->mb[1]); + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + ha->max_speed_sup = mcp->mb[2] & BIT_0; + ql_dbg(ql_dbg_mbx, vha, 0x119b, + "Maximum speed supported=%s.\n", + ha->max_speed_sup ? "32Gps" : "16Gps"); + if (vha->min_link_speed_feat) { + ha->min_link_speed = mcp->mb[5]; + ql_dbg(ql_dbg_mbx, vha, 0x119c, + "Minimum speed set=%s.\n", + mcp->mb[5] == 5 ? "32Gps" : + mcp->mb[5] == 4 ? "16Gps" : + mcp->mb[5] == 3 ? "8Gps" : + mcp->mb[5] == 2 ? "4Gps" : + "unknown"); + } + } } + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028, + "Done.\n"); } return rval; @@ -947,20 +1020,12 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha) "%s: Firmware supports Exchange Offload 0x%x\n", __func__, ha->fw_attributes_h); - /* bit 26 of fw_attributes */ - if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable) { - struct init_cb_24xx *icb; - - icb = (struct init_cb_24xx *)ha->init_cb; - /* - * fw supports nvme and driver load - * parameter requested nvme - */ + /* + * FW supports nvme and driver load parameter requested nvme. + * BIT 26 of fw_attributes indicates NVMe support. + */ + if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable) vha->flags.nvme_enabled = 1; - icb->firmware_options_2 &= cpu_to_le32(~0xf); - ha->zio_mode = 0; - ha->zio_timer = 0; - } } @@ -1673,7 +1738,11 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size) "Failed=%x mb[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x,.\n", rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3]); } else { - /*EMPTY*/ + if (IS_QLA27XX(ha)) { + if (mcp->mb[2] == 6 || mcp->mb[3] == 2) + ql_dbg(ql_dbg_mbx, vha, 0x119d, + "Invalid SFP/Validation Failed\n"); + } ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104e, "Done %s.\n", __func__); } @@ -1878,6 +1947,7 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states) int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; + struct qla_hw_data *ha = vha->hw; ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1054, "Entered %s.\n", __func__); @@ -1906,7 +1976,11 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states) /*EMPTY*/ ql_dbg(ql_dbg_mbx, vha, 0x1055, "Failed=%x.\n", rval); } else { - /*EMPTY*/ + if (IS_QLA27XX(ha)) { + if (mcp->mb[2] == 6 || mcp->mb[3] == 2) + ql_dbg(ql_dbg_mbx, vha, 0x119e, + "Invalid SFP/Validation Failed\n"); + } ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1056, "Done %s.\n", __func__); } @@ -3689,7 +3763,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, if (qla_ini_mode_enabled(vha) && ha->flags.fawwpn_enabled && (rptid_entry->u.f1.flags & - VP_FLAGS_NAME_VALID)) { + BIT_6)) { memcpy(vha->port_name, rptid_entry->u.f1.port_name, WWN_SIZE); @@ -4590,6 +4664,10 @@ qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp, if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_mbx, vha, 0x10e9, "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + if (mcp->mb[0] == MBS_COMMAND_ERROR && + mcp->mb[1] == 0x22) + /* sfp is not there */ + rval = QLA_INTERFACE_ERROR; } else { ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ea, "Done %s.\n", __func__); @@ -5817,7 +5895,7 @@ qla26xx_dport_diagnostics(scsi_qla_host_t *vha, dd_dma = dma_map_single(&vha->hw->pdev->dev, dd_buf, size, DMA_FROM_DEVICE); - if (!dd_dma) { + if (dma_mapping_error(&vha->hw->pdev->dev, dd_dma)) { ql_log(ql_log_warn, vha, 0x1194, "Failed to map dma buffer.\n"); return QLA_MEMORY_ALLOC_FAILED; } @@ -6085,3 +6163,108 @@ int qla24xx_gidlist_wait(struct scsi_qla_host *vha, done: return rval; } + +int qla27xx_set_zio_threshold(scsi_qla_host_t *vha, uint16_t value) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1200, + "Entered %s\n", __func__); + + memset(mcp->mb, 0 , sizeof(mcp->mb)); + mcp->mb[0] = MBC_GET_SET_ZIO_THRESHOLD; + mcp->mb[1] = cpu_to_le16(1); + mcp->mb[2] = cpu_to_le16(value); + mcp->out_mb = MBX_2 | MBX_1 | MBX_0; + mcp->in_mb = MBX_2 | MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + + rval = qla2x00_mailbox_command(vha, mcp); + + ql_dbg(ql_dbg_mbx, vha, 0x1201, "%s %x\n", + (rval != QLA_SUCCESS) ? "Failed" : "Done", rval); + + return rval; +} + +int qla27xx_get_zio_threshold(scsi_qla_host_t *vha, uint16_t *value) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1203, + "Entered %s\n", __func__); + + memset(mcp->mb, 0, sizeof(mcp->mb)); + mcp->mb[0] = MBC_GET_SET_ZIO_THRESHOLD; + mcp->mb[1] = cpu_to_le16(0); + mcp->out_mb = MBX_1 | MBX_0; + mcp->in_mb = MBX_2 | MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + + rval = qla2x00_mailbox_command(vha, mcp); + if (rval == QLA_SUCCESS) + *value = mc.mb[2]; + + ql_dbg(ql_dbg_mbx, vha, 0x1205, "%s %x\n", + (rval != QLA_SUCCESS) ? "Failed" : "Done", rval); + + return rval; +} + +int +qla2x00_read_sfp_dev(struct scsi_qla_host *vha, char *buf, int count) +{ + struct qla_hw_data *ha = vha->hw; + uint16_t iter, addr, offset; + dma_addr_t phys_addr; + int rval, c; + u8 *sfp_data; + + memset(ha->sfp_data, 0, SFP_DEV_SIZE); + addr = 0xa0; + phys_addr = ha->sfp_data_dma; + sfp_data = ha->sfp_data; + offset = c = 0; + + for (iter = 0; iter < SFP_DEV_SIZE / SFP_BLOCK_SIZE; iter++) { + if (iter == 4) { + /* Skip to next device address. */ + addr = 0xa2; + offset = 0; + } + + rval = qla2x00_read_sfp(vha, phys_addr, sfp_data, + addr, offset, SFP_BLOCK_SIZE, BIT_1); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x706d, + "Unable to read SFP data (%x/%x/%x).\n", rval, + addr, offset); + + return rval; + } + + if (buf && (c < count)) { + u16 sz; + + if ((count - c) >= SFP_BLOCK_SIZE) + sz = SFP_BLOCK_SIZE; + else + sz = count - c; + + memcpy(buf, sfp_data, sz); + buf += SFP_BLOCK_SIZE; + c += sz; + } + phys_addr += SFP_BLOCK_SIZE; + sfp_data += SFP_BLOCK_SIZE; + offset += SFP_BLOCK_SIZE; + } + + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index f0605cd196fb..c0f8f6c17b79 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -74,7 +74,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) * ensures no active vp_list traversal while the vport is removed * from the queue) */ - wait_event_timeout(vha->vref_waitq, atomic_read(&vha->vref_count), + wait_event_timeout(vha->vref_waitq, !atomic_read(&vha->vref_count), 10*HZ); spin_lock_irqsave(&ha->vport_slock, flags); @@ -187,6 +187,11 @@ qla24xx_enable_vp(scsi_qla_host_t *vha) !(ha->current_topology & ISP_CFG_F)) { vha->vp_err_state = VP_ERR_PORTDWN; fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); + ql_dbg(ql_dbg_taskm, vha, 0x800b, + "%s skip enable. loop_state %x topo %x\n", + __func__, base_vha->loop_state.counter, + ha->current_topology); + goto enable_failed; } @@ -759,11 +764,18 @@ static void qla_do_work(struct work_struct *work) struct qla_qpair *qpair = container_of(work, struct qla_qpair, q_work); struct scsi_qla_host *vha; struct qla_hw_data *ha = qpair->hw; + struct srb_iocb *nvme, *nxt_nvme; spin_lock_irqsave(&qpair->qp_lock, flags); vha = pci_get_drvdata(ha->pdev); qla24xx_process_response_queue(vha, qpair->rsp); spin_unlock_irqrestore(&qpair->qp_lock, flags); + + list_for_each_entry_safe(nvme, nxt_nvme, &qpair->nvme_done_list, + u.nvme.entry) { + list_del_init(&nvme->u.nvme.entry); + qla_nvme_cmpl_io(nvme); + } } /* create response queue */ diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 10b742d27e16..e23a3d4c36f3 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -1819,6 +1819,10 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) if (!sp) goto done; + sp->type = SRB_FXIOCB_DCMD; + sp->name = "fxdisc"; + qla2x00_init_timer(sp, FXDISC_TIMEOUT); + fdisc = &sp->u.iocb_cmd; switch (fx_type) { case FXDISC_GET_CONFIG_INFO: @@ -1920,9 +1924,6 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) goto done_unmap_req; } - sp->type = SRB_FXIOCB_DCMD; - sp->name = "fxdisc"; - qla2x00_init_timer(sp, FXDISC_TIMEOUT); fdisc->timeout = qla2x00_fxdisc_iocb_timeout; fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type); sp->done = qla2x00_fxdisc_sp_done; diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index f3710a75fe1f..1f59e7a74c7b 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -5,7 +5,6 @@ * See LICENSE.qla2xxx for copyright and licensing details. */ #include "qla_nvme.h" -#include "qla_def.h" #include <linux/scatterlist.h> #include <linux/delay.h> #include <linux/nvme.h> @@ -15,7 +14,7 @@ static struct nvme_fc_port_template qla_nvme_fc_transport; static void qla_nvme_unregister_remote_port(struct work_struct *); -int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport) +int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport) { struct nvme_rport *rport; int ret; @@ -61,8 +60,8 @@ int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport) rport->req.port_id = fcport->d_id.b24; ql_log(ql_log_info, vha, 0x2102, - "%s: traddr=pn-0x%016llx:nn-0x%016llx PortID:%06x\n", - __func__, rport->req.port_name, rport->req.node_name, + "%s: traddr=nn-0x%016llx:pn-0x%016llx PortID:%06x\n", + __func__, rport->req.node_name, rport->req.port_name, rport->req.port_id); ret = nvme_fc_register_remoteport(vha->nvme_local_port, &rport->req, @@ -76,16 +75,14 @@ int qla_nvme_register_remote(scsi_qla_host_t *vha, fc_port_t *fcport) fcport->nvme_remote_port->private = fcport; fcport->nvme_flag |= NVME_FLAG_REGISTERED; - atomic_set(&fcport->nvme_ref_count, 1); - init_waitqueue_head(&fcport->nvme_waitQ); rport->fcport = fcport; list_add_tail(&rport->list, &vha->nvme_rport_list); return 0; } /* Allocate a queue for NVMe traffic */ -static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport, unsigned int qidx, - u16 qsize, void **handle) +static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport, + unsigned int qidx, u16 qsize, void **handle) { struct scsi_qla_host *vha; struct qla_hw_data *ha; @@ -157,6 +154,16 @@ static void qla_nvme_sp_ls_done(void *ptr, int res) qla2x00_rel_sp(sp); } +void qla_nvme_cmpl_io(struct srb_iocb *nvme) +{ + srb_t *sp; + struct nvmefc_fcp_req *fd = nvme->u.nvme.desc; + + sp = container_of(nvme, srb_t, u.iocb_cmd); + fd->done(fd); + qla2xxx_rel_qpair_sp(sp->qpair, sp); +} + static void qla_nvme_sp_done(void *ptr, int res) { srb_t *sp = ptr; @@ -172,13 +179,14 @@ static void qla_nvme_sp_done(void *ptr, int res) if (!(sp->fcport->nvme_flag & NVME_FLAG_REGISTERED)) goto rel; - if (unlikely(nvme->u.nvme.comp_status || res)) - fd->status = -EINVAL; + if (unlikely(res == QLA_FUNCTION_FAILED)) + fd->status = NVME_SC_FC_TRANSPORT_ERROR; else fd->status = 0; fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len; - fd->done(fd); + list_add_tail(&nvme->u.nvme.entry, &sp->qpair->nvme_done_list); + return; rel: qla2xxx_rel_qpair_sp(sp->qpair, sp); } @@ -193,13 +201,11 @@ static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport, struct qla_hw_data *ha = fcport->vha->hw; rval = ha->isp_ops->abort_command(sp); - if (rval != QLA_SUCCESS) - ql_log(ql_log_warn, fcport->vha, 0x2125, - "%s: failed to abort LS command for SP:%p rval=%x\n", - __func__, sp, rval); ql_dbg(ql_dbg_io, fcport->vha, 0x212b, - "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport); + "%s: %s LS command for sp=%p on fcport=%p rval=%x\n", __func__, + (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted", + sp, fcport, rval); } static void qla_nvme_ls_complete(struct work_struct *work) @@ -214,7 +220,7 @@ static void qla_nvme_ls_complete(struct work_struct *work) static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd) { - fc_port_t *fcport = (fc_port_t *)rport->private; + fc_port_t *fcport = rport->private; struct srb_iocb *nvme; struct nvme_private *priv = fd->private; struct scsi_qla_host *vha; @@ -236,7 +242,6 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, sp->name = "nvme_ls"; sp->done = qla_nvme_sp_ls_done; atomic_set(&sp->ref_count, 1); - init_waitqueue_head(&sp->nvme_ls_waitQ); nvme = &sp->u.iocb_cmd; priv->sp = sp; priv->fd = fd; @@ -258,7 +263,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, ql_log(ql_log_warn, vha, 0x700e, "qla2x00_start_sp failed = %d\n", rval); atomic_dec(&sp->ref_count); - wake_up(&sp->nvme_ls_waitQ); + wake_up(&sp->nvme_ls_waitq); return rval; } @@ -276,20 +281,18 @@ static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport, struct qla_hw_data *ha = fcport->vha->hw; rval = ha->isp_ops->abort_command(sp); - if (!rval) - ql_log(ql_log_warn, fcport->vha, 0x2127, - "%s: failed to abort command for SP:%p rval=%x\n", - __func__, sp, rval); - ql_dbg(ql_dbg_io, fcport->vha, 0x2126, - "%s: aborted sp:%p on fcport:%p\n", __func__, sp, fcport); + ql_dbg(ql_dbg_io, fcport->vha, 0x2127, + "%s: %s command for sp=%p on fcport=%p rval=%x\n", __func__, + (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted", + sp, fcport, rval); } static void qla_nvme_poll(struct nvme_fc_local_port *lport, void *hw_queue_handle) { struct scsi_qla_host *vha = lport->private; unsigned long flags; - struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle; + struct qla_qpair *qpair = hw_queue_handle; /* Acquire ring specific lock */ spin_lock_irqsave(&qpair->qp_lock, flags); @@ -310,6 +313,7 @@ static int qla2x00_start_nvme_mq(srb_t *sp) uint16_t avail_dsds; uint32_t *cur_dsd; struct req_que *req = NULL; + struct rsp_que *rsp = NULL; struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; struct qla_qpair *qpair = sp->qpair; @@ -318,13 +322,15 @@ static int qla2x00_start_nvme_mq(srb_t *sp) struct nvmefc_fcp_req *fd = nvme->u.nvme.desc; uint32_t rval = QLA_SUCCESS; - /* Setup qpair pointers */ - req = qpair->req; tot_dsds = fd->sg_cnt; /* Acquire qpair specific lock */ spin_lock_irqsave(&qpair->qp_lock, flags); + /* Setup qpair pointers */ + req = qpair->req; + rsp = qpair->rsp; + /* Check for room in outstanding command list. */ handle = req->current_outstanding_cmd; for (index = 1; index < req->num_outstanding_cmds; index++) { @@ -359,7 +365,7 @@ static int qla2x00_start_nvme_mq(srb_t *sp) struct nvme_fc_cmd_iu *cmd = fd->cmdaddr; if (cmd->sqe.common.opcode == nvme_admin_async_event) { nvme->u.nvme.aen_op = 1; - atomic_inc(&vha->nvme_active_aen_cnt); + atomic_inc(&vha->hw->nvme_active_aen_cnt); } } @@ -472,6 +478,11 @@ static int qla2x00_start_nvme_mq(srb_t *sp) /* Set chip new ring index. */ WRT_REG_DWORD(req->req_q_in, req->ring_index); + /* Manage unprocessed RIO/ZIO commands in response queue. */ + if (vha->flags.process_response_queue && + rsp->ring_ptr->signature != RESPONSE_PROCESSED) + qla24xx_process_response_queue(vha, rsp); + queuing_error: spin_unlock_irqrestore(&qpair->qp_lock, flags); return rval; @@ -487,7 +498,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, struct scsi_qla_host *vha; int rval = QLA_FUNCTION_FAILED; srb_t *sp; - struct qla_qpair *qpair = (struct qla_qpair *)hw_queue_handle; + struct qla_qpair *qpair = hw_queue_handle; struct nvme_private *priv; if (!fd) { @@ -496,7 +507,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, } priv = fd->private; - fcport = (fc_port_t *)rport->private; + fcport = rport->private; if (!fcport) { ql_log(ql_log_warn, NULL, 0x210e, "No fcport ptr\n"); return rval; @@ -512,7 +523,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, return -EIO; atomic_set(&sp->ref_count, 1); - init_waitqueue_head(&sp->nvme_ls_waitQ); + init_waitqueue_head(&sp->nvme_ls_waitq); priv->sp = sp; sp->type = SRB_NVME_CMD; sp->name = "nvme_cmd"; @@ -526,7 +537,7 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport, ql_log(ql_log_warn, vha, 0x212d, "qla2x00_start_nvme_mq failed = %d\n", rval); atomic_dec(&sp->ref_count); - wake_up(&sp->nvme_ls_waitQ); + wake_up(&sp->nvme_ls_waitq); return -EIO; } @@ -537,12 +548,10 @@ static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport) { struct scsi_qla_host *vha = lport->private; - atomic_dec(&vha->nvme_ref_count); - wake_up_all(&vha->nvme_waitQ); - ql_log(ql_log_info, vha, 0x210f, "localport delete of %p completed.\n", vha->nvme_local_port); vha->nvme_local_port = NULL; + complete(&vha->nvme_del_done); } static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport) @@ -550,11 +559,9 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport) fc_port_t *fcport; struct nvme_rport *r_port, *trport; - fcport = (fc_port_t *)rport->private; + fcport = rport->private; fcport->nvme_remote_port = NULL; fcport->nvme_flag &= ~NVME_FLAG_REGISTERED; - atomic_dec(&fcport->nvme_ref_count); - wake_up_all(&fcport->nvme_waitQ); list_for_each_entry_safe(r_port, trport, &fcport->vha->nvme_rport_list, list) { @@ -564,6 +571,7 @@ static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport) } } kfree(r_port); + complete(&fcport->nvme_del_done); ql_log(ql_log_info, fcport->vha, 0x2110, "remoteport_delete of %p completed.\n", fcport); @@ -594,7 +602,7 @@ static int qla_nvme_wait_on_command(srb_t *sp) { int ret = QLA_SUCCESS; - wait_event_timeout(sp->nvme_ls_waitQ, (atomic_read(&sp->ref_count) > 1), + wait_event_timeout(sp->nvme_ls_waitq, (atomic_read(&sp->ref_count) > 1), NVME_ABORT_POLLING_PERIOD*HZ); if (atomic_read(&sp->ref_count) > 1) @@ -606,12 +614,11 @@ static int qla_nvme_wait_on_command(srb_t *sp) static int qla_nvme_wait_on_rport_del(fc_port_t *fcport) { int ret = QLA_SUCCESS; + int timeout; - wait_event_timeout(fcport->nvme_waitQ, - atomic_read(&fcport->nvme_ref_count), - NVME_ABORT_POLLING_PERIOD*HZ); - - if (atomic_read(&fcport->nvme_ref_count)) { + timeout = wait_for_completion_timeout(&fcport->nvme_del_done, + msecs_to_jiffies(2000)); + if (!timeout) { ret = QLA_FUNCTION_FAILED; ql_log(ql_log_info, fcport->vha, 0x2111, "timed out waiting for fcport=%p to delete\n", fcport); @@ -620,50 +627,14 @@ static int qla_nvme_wait_on_rport_del(fc_port_t *fcport) return ret; } -void qla_nvme_abort(struct qla_hw_data *ha, srb_t *sp) +void qla_nvme_abort(struct qla_hw_data *ha, struct srb *sp) { int rval; rval = ha->isp_ops->abort_command(sp); - if (!rval) { - if (!qla_nvme_wait_on_command(sp)) - ql_log(ql_log_warn, NULL, 0x2112, - "nvme_wait_on_command timed out waiting on sp=%p\n", - sp); - } -} - -static void qla_nvme_abort_all(fc_port_t *fcport) -{ - int que, cnt; - unsigned long flags; - srb_t *sp; - struct qla_hw_data *ha = fcport->vha->hw; - struct req_que *req; - - spin_lock_irqsave(&ha->hardware_lock, flags); - for (que = 0; que < ha->max_req_queues; que++) { - req = ha->req_q_map[que]; - if (!req) - continue; - if (!req->outstanding_cmds) - continue; - for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { - sp = req->outstanding_cmds[cnt]; - if ((sp) && ((sp->type == SRB_NVME_CMD) || - (sp->type == SRB_NVME_LS)) && - (sp->fcport == fcport)) { - atomic_inc(&sp->ref_count); - spin_unlock_irqrestore(&ha->hardware_lock, - flags); - qla_nvme_abort(ha, sp); - spin_lock_irqsave(&ha->hardware_lock, flags); - req->outstanding_cmds[cnt] = NULL; - sp->done(sp, 1); - } - } - } - spin_unlock_irqrestore(&ha->hardware_lock, flags); + if (!rval && !qla_nvme_wait_on_command(sp)) + ql_log(ql_log_warn, NULL, 0x2112, + "nvme_wait_on_comand timed out waiting on sp=%p\n", sp); } static void qla_nvme_unregister_remote_port(struct work_struct *work) @@ -675,18 +646,23 @@ static void qla_nvme_unregister_remote_port(struct work_struct *work) if (!IS_ENABLED(CONFIG_NVME_FC)) return; + ql_log(ql_log_warn, NULL, 0x2112, + "%s: unregister remoteport on %p\n",__func__, fcport); + list_for_each_entry_safe(rport, trport, &fcport->vha->nvme_rport_list, list) { if (rport->fcport == fcport) { ql_log(ql_log_info, fcport->vha, 0x2113, "%s: fcport=%p\n", __func__, fcport); + init_completion(&fcport->nvme_del_done); nvme_fc_unregister_remoteport( fcport->nvme_remote_port); + qla_nvme_wait_on_rport_del(fcport); } } } -void qla_nvme_delete(scsi_qla_host_t *vha) +void qla_nvme_delete(struct scsi_qla_host *vha) { struct nvme_rport *rport, *trport; fc_port_t *fcport; @@ -701,12 +677,13 @@ void qla_nvme_delete(scsi_qla_host_t *vha) ql_log(ql_log_info, fcport->vha, 0x2114, "%s: fcport=%p\n", __func__, fcport); + init_completion(&fcport->nvme_del_done); nvme_fc_unregister_remoteport(fcport->nvme_remote_port); qla_nvme_wait_on_rport_del(fcport); - qla_nvme_abort_all(fcport); } if (vha->nvme_local_port) { + init_completion(&vha->nvme_del_done); nv_ret = nvme_fc_unregister_localport(vha->nvme_local_port); if (nv_ret == 0) ql_log(ql_log_info, vha, 0x2116, @@ -715,10 +692,12 @@ void qla_nvme_delete(scsi_qla_host_t *vha) else ql_log(ql_log_info, vha, 0x2115, "Unregister of localport failed\n"); + wait_for_completion_timeout(&vha->nvme_del_done, + msecs_to_jiffies(5000)); } } -void qla_nvme_register_hba(scsi_qla_host_t *vha) +void qla_nvme_register_hba(struct scsi_qla_host *vha) { struct nvme_fc_port_template *tmpl; struct qla_hw_data *ha; @@ -744,8 +723,8 @@ void qla_nvme_register_hba(scsi_qla_host_t *vha) pinfo.port_id = vha->d_id.b24; ql_log(ql_log_info, vha, 0xffff, - "register_localport: host-traddr=pn-0x%llx:nn-0x%llx on portID:%x\n", - pinfo.port_name, pinfo.node_name, pinfo.port_id); + "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n", + pinfo.node_name, pinfo.port_name, pinfo.port_id); qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; ret = nvme_fc_register_localport(&pinfo, tmpl, @@ -755,7 +734,5 @@ void qla_nvme_register_hba(scsi_qla_host_t *vha) "register_localport failed: ret=%x\n", ret); return; } - atomic_set(&vha->nvme_ref_count, 1); vha->nvme_local_port->private = vha; - init_waitqueue_head(&vha->nvme_waitQ); } diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index dfe56f207b28..7f05fa1c77db 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -12,12 +12,18 @@ #include <uapi/scsi/fc/fc_els.h> #include <linux/nvme-fc-driver.h> +#include "qla_def.h" + #define NVME_ATIO_CMD_OFF 32 #define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF) #define Q2T_NVME_NUM_TAGS 2048 #define QLA_MAX_FC_SEGMENTS 64 +struct scsi_qla_host; +struct qla_hw_data; +struct req_que; struct srb; + struct nvme_private { struct srb *sp; struct nvmefc_ls_req *fd; @@ -129,4 +135,15 @@ struct pt_ls4_rx_unsol { uint32_t desc_len; uint32_t payload[3]; }; + +/* + * Global functions prototype in qla_nvme.c source file. + */ +void qla_nvme_register_hba(struct scsi_qla_host *); +int qla_nvme_register_remote(struct scsi_qla_host *, struct fc_port *); +void qla_nvme_delete(struct scsi_qla_host *); +void qla_nvme_abort(struct qla_hw_data *, struct srb *sp); +void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *, + struct req_que *); +void qla24xx_async_gffid_sp_done(void *, int); #endif diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index df57655779ed..5b2437a5ea44 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -113,12 +113,12 @@ MODULE_PARM_DESC(ql2xfdmienable, "Enables FDMI registrations. " "0 - no FDMI. Default is 1 - perform FDMI."); -#define MAX_Q_DEPTH 32 +#define MAX_Q_DEPTH 64 static int ql2xmaxqdepth = MAX_Q_DEPTH; module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to set for each LUN. " - "Default is 32."); + "Default is 64."); #if (IS_ENABLED(CONFIG_NVME_FC)) int ql2xenabledif; @@ -200,7 +200,7 @@ MODULE_PARM_DESC(ql2xgffidenable, "Enables GFF_ID checks of port type. " "Default is 0 - Do not use GFF_ID information."); -int ql2xasynctmfenable; +int ql2xasynctmfenable = 1; module_param(ql2xasynctmfenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xasynctmfenable, "Enables issue of TM IOCBs asynchronously via IOCB mechanism" @@ -262,6 +262,12 @@ MODULE_PARM_DESC(ql2xmvasynctoatio, "0 (Default). Do not move IOCBs" "1 - Move IOCBs."); +int ql2xautodetectsfp = 1; +module_param(ql2xautodetectsfp, int, 0444); +MODULE_PARM_DESC(ql2xautodetectsfp, + "Detect SFP range and set appropriate distance.\n" + "1 (Default): Enable\n"); + /* * SCSI host template entry points */ @@ -379,6 +385,7 @@ static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req, ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0; ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q]; INIT_LIST_HEAD(&ha->base_qpair->hints_list); + INIT_LIST_HEAD(&ha->base_qpair->nvme_done_list); ha->base_qpair->enable_class_2 = ql2xenableclass2; /* init qpair to this cpu. Will adjust at run time. */ qla_cpu_update(rsp->qpair, smp_processor_id()); @@ -710,7 +717,7 @@ qla2x00_sp_free_dma(void *ptr) } end: - if ((sp->type != SRB_NVME_CMD) && (sp->type != SRB_NVME_LS)) { + if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) { CMD_SP(cmd) = NULL; qla2x00_rel_sp(sp); } @@ -735,7 +742,7 @@ qla2x00_sp_compl(void *ptr, int res) if (!atomic_dec_and_test(&sp->ref_count)) return; - qla2x00_sp_free_dma(sp); + sp->free(sp); cmd->scsi_done(cmd); } @@ -807,7 +814,7 @@ qla2xxx_qpair_sp_compl(void *ptr, int res) if (!atomic_dec_and_test(&sp->ref_count)) return; - qla2xxx_qpair_sp_free_dma(sp); + sp->free(sp); cmd->scsi_done(cmd); } @@ -928,7 +935,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) return 0; qc24_host_busy_free_sp: - qla2x00_sp_free_dma(sp); + sp->free(sp); qc24_host_busy: return SCSI_MLQUEUE_HOST_BUSY; @@ -1017,7 +1024,7 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, return 0; qc24_host_busy_free_sp: - qla2xxx_qpair_sp_free_dma(sp); + sp->free(sp); qc24_host_busy: return SCSI_MLQUEUE_HOST_BUSY; @@ -1134,7 +1141,7 @@ qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha) { qla2x00_mark_all_devices_lost(vha, 0); - wait_event(vha->fcport_waitQ, test_fcport_count(vha)); + wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ); } /* @@ -1715,8 +1722,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) if (sp) { req->outstanding_cmds[cnt] = NULL; if (sp->cmd_type == TYPE_SRB) { - if ((sp->type == SRB_NVME_CMD) || - (sp->type == SRB_NVME_LS)) { + if (sp->type == SRB_NVME_CMD || + sp->type == SRB_NVME_LS) { sp_get(sp); spin_unlock_irqrestore( &ha->hardware_lock, flags); @@ -1725,6 +1732,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) &ha->hardware_lock, flags); } else if (GET_CMD_SP(sp) && !ha->flags.eeh_busy && + (!test_bit(ABORT_ISP_ACTIVE, + &vha->dpc_flags)) && (sp->type == SRB_SCSI_CMD)) { /* * Don't abort commands in @@ -2751,6 +2760,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&ha->tgt.sess_lock); spin_lock_init(&ha->tgt.atio_lock); + atomic_set(&ha->nvme_active_aen_cnt, 0); /* Clear our data area */ ha->bars = bars; @@ -3168,7 +3178,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) if (ha->mqenable) { bool mq = false; bool startit = false; - ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1); + ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0); if (QLA_TGT_MODE_ENABLED()) { mq = true; @@ -3328,6 +3338,13 @@ skip_dpc: if (test_bit(UNLOADING, &base_vha->dpc_flags)) return -ENODEV; + if (ha->flags.detected_lr_sfp) { + ql_log(ql_log_info, base_vha, 0xffff, + "Reset chip to pick up LR SFP setting\n"); + set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); + qla2xxx_wake_dpc(base_vha); + } + return 0; probe_init_failed: @@ -3383,12 +3400,22 @@ qla2x00_shutdown(struct pci_dev *pdev) scsi_qla_host_t *vha; struct qla_hw_data *ha; - if (!atomic_read(&pdev->enable_cnt)) - return; - vha = pci_get_drvdata(pdev); ha = vha->hw; + ql_log(ql_log_info, vha, 0xfffa, + "Adapter shutdown\n"); + + /* + * Prevent future board_disable and wait + * until any pending board_disable has completed. + */ + set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags); + cancel_work_sync(&ha->board_disable); + + if (!atomic_read(&pdev->enable_cnt)) + return; + /* Notify ISPFX00 firmware */ if (IS_QLAFX00(ha)) qlafx00_driver_shutdown(vha, 20); @@ -3419,8 +3446,9 @@ qla2x00_shutdown(struct pci_dev *pdev) qla2x00_free_fw_dump(ha); - pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); + ql_log(ql_log_info, vha, 0xfffe, + "Adapter shutdown successfully.\n"); } /* Deletes all the virtual ports for a given ha */ @@ -4006,8 +4034,18 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, "loop_id_map=%p.\n", ha->loop_id_map); } + ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev, + SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL); + if (!ha->sfp_data) { + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, + "Unable to allocate memory for SFP read-data.\n"); + goto fail_sfp_data; + } + return 0; +fail_sfp_data: + kfree(ha->loop_id_map); fail_loop_id_map: dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); fail_async_pd: @@ -4345,7 +4383,8 @@ qla2x00_mem_free(struct qla_hw_data *ha) ha->ct_sns, ha->ct_sns_dma); if (ha->sfp_data) - dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); + dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data, + ha->sfp_data_dma); if (ha->ms_iocb) dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); @@ -4638,9 +4677,10 @@ static void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) { unsigned long flags; - fc_port_t *fcport = NULL; + fc_port_t *fcport = NULL, *tfcp; struct qlt_plogi_ack_t *pla = (struct qlt_plogi_ack_t *)e->u.new_sess.pla; + uint8_t free_fcport = 0; spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1); @@ -4655,6 +4695,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) pla->ref_count--; } } else { + spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); if (fcport) { fcport->d_id = e->u.new_sess.id; @@ -4664,6 +4705,29 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) memcpy(fcport->port_name, e->u.new_sess.port_name, WWN_SIZE); + } else { + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s %8phC mem alloc fail.\n", + __func__, e->u.new_sess.port_name); + + if (pla) + kmem_cache_free(qla_tgt_plogi_cachep, pla); + return; + } + + spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); + /* search again to make sure one else got ahead */ + tfcp = qla2x00_find_fcport_by_wwpn(vha, + e->u.new_sess.port_name, 1); + if (tfcp) { + /* should rarily happen */ + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s %8phC found existing fcport b4 add. DS %d LS %d\n", + __func__, tfcp->port_name, tfcp->disc_state, + tfcp->fw_login_state); + + free_fcport = 1; + } else { list_add_tail(&fcport->list, &vha->vp_fcports); if (pla) { @@ -4681,6 +4745,12 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) else qla24xx_async_gnl(vha, fcport); } + + if (free_fcport) { + qla2x00_free_fcport(fcport); + if (pla) + kmem_cache_free(qla_tgt_plogi_cachep, pla); + } } void @@ -5493,6 +5563,13 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work) ql_log(ql_log_warn, base_vha, 0x015b, "Disabling adapter.\n"); + if (!atomic_read(&pdev->enable_cnt)) { + ql_log(ql_log_info, base_vha, 0xfffc, + "PCI device disabled, no action req for PCI error=%lx\n", + base_vha->pci_flags); + return; + } + qla2x00_wait_for_sess_deletion(base_vha); set_bit(UNLOADING, &base_vha->dpc_flags); @@ -5687,6 +5764,16 @@ qla2x00_do_dpc(void *data) } } + if (test_and_clear_bit(DETECT_SFP_CHANGE, + &base_vha->dpc_flags) && + !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) { + qla24xx_detect_sfp(base_vha); + + if (ha->flags.detected_lr_sfp != + ha->flags.using_lr_setting) + set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); + } + if (test_and_clear_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) { @@ -5828,6 +5915,17 @@ intr_on_check: mutex_unlock(&ha->mq_lock); } + if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) { + ql_log(ql_log_info, base_vha, 0xffffff, + "nvme: SET ZIO Activity exchange threshold to %d.\n", + ha->nvme_last_rptd_aen); + if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) { + ql_log(ql_log_info, base_vha, 0xffffff, + "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n", + ha->nvme_last_rptd_aen); + } + } + if (!IS_QLAFX00(ha)) qla2x00_do_dpc_all_vps(base_vha); @@ -6025,12 +6123,15 @@ qla2x00_timer(scsi_qla_host_t *vha) * FC-NVME * see if the active AEN count has changed from what was last reported. */ - if (atomic_read(&vha->nvme_active_aen_cnt) != vha->nvme_last_rptd_aen) { - vha->nvme_last_rptd_aen = - atomic_read(&vha->nvme_active_aen_cnt); + if (!vha->vp_idx && + atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen && + ha->zio_mode == QLA_ZIO_MODE_6) { ql_log(ql_log_info, vha, 0x3002, - "reporting new aen count of %d to the fw\n", - vha->nvme_last_rptd_aen); + "nvme: Sched: Set ZIO exchange threshold to %d.\n", + ha->nvme_last_rptd_aen); + ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt); + set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags); + start_dpc++; } /* Schedule the DPC routine if needed */ @@ -6181,6 +6282,12 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) ql_dbg(ql_dbg_aer, vha, 0x9000, "PCI error detected, state %x.\n", state); + if (!atomic_read(&pdev->enable_cnt)) { + ql_log(ql_log_info, vha, 0xffff, + "PCI device is disabled,state %x\n", state); + return PCI_ERS_RESULT_NEED_RESET; + } + switch (state) { case pci_channel_io_normal: ha->flags.eeh_busy = 0; @@ -6574,6 +6681,8 @@ qla2x00_module_init(void) strcpy(qla2x00_version_str, QLA2XXX_VERSION); if (ql2xextended_error_logging) strcat(qla2x00_version_str, "-debug"); + if (ql2xextended_error_logging == 1) + ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK; qla2xxx_transport_template = fc_attach_transport(&qla2xxx_transport_functions); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index e101cd3043b9..f05cfc83c9c8 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -145,7 +145,7 @@ static void qlt_send_busy(struct qla_qpair *, struct atio_from_isp *, * Global Variables */ static struct kmem_cache *qla_tgt_mgmt_cmd_cachep; -static struct kmem_cache *qla_tgt_plogi_cachep; +struct kmem_cache *qla_tgt_plogi_cachep; static mempool_t *qla_tgt_mgmt_cmd_mempool; static struct workqueue_struct *qla_tgt_wq; static DEFINE_MUTEX(qla_tgt_mutex); @@ -585,11 +585,13 @@ void qla2x00_async_nack_sp_done(void *s, int res) sp->fcport->fw_login_state = DSC_LS_PLOGI_COMP; sp->fcport->logout_on_delete = 1; sp->fcport->plogi_nack_done_deadline = jiffies + HZ; + sp->fcport->send_els_logo = 0; break; case SRB_NACK_PRLI: sp->fcport->fw_login_state = DSC_LS_PRLI_COMP; sp->fcport->deleted = 0; + sp->fcport->send_els_logo = 0; if (!sp->fcport->login_succ && !IS_SW_RESV_ADDR(sp->fcport->d_id)) { @@ -1479,7 +1481,7 @@ int qlt_stop_phase1(struct qla_tgt *tgt) ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00a, "Waiting for tgt %p: sess_count=%d\n", tgt, tgt->sess_count); - wait_event(tgt->waitQ, test_tgt_sess_count(tgt)); + wait_event_timeout(tgt->waitQ, test_tgt_sess_count(tgt), 10*HZ); /* Big hammer */ if (!ha->flags.host_shutting_down && @@ -1487,7 +1489,7 @@ int qlt_stop_phase1(struct qla_tgt *tgt) qlt_disable_vha(vha); /* Wait for sessions to clear out (just in case) */ - wait_event(tgt->waitQ, test_tgt_sess_count(tgt)); + wait_event_timeout(tgt->waitQ, test_tgt_sess_count(tgt), 10*HZ); return 0; } EXPORT_SYMBOL(qlt_stop_phase1); @@ -1528,6 +1530,7 @@ static void qlt_release(struct qla_tgt *tgt) u64 key = 0; u16 i; struct qla_qpair_hint *h; + struct qla_hw_data *ha = vha->hw; if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stop && !tgt->tgt_stopped) @@ -1548,12 +1551,18 @@ static void qlt_release(struct qla_tgt *tgt) } } kfree(tgt->qphints); + mutex_lock(&qla_tgt_mutex); + list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); + mutex_unlock(&qla_tgt_mutex); btree_for_each_safe64(&tgt->lun_qpair_map, key, node) btree_remove64(&tgt->lun_qpair_map, key); btree_destroy64(&tgt->lun_qpair_map); + if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->remove_target) + ha->tgt.tgt_ops->remove_target(vha); + vha->vha_tgt.qla_tgt = NULL; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d, @@ -1901,6 +1910,7 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha, mcmd->reset_count = ha->base_qpair->chip_reset; mcmd->tmr_func = QLA_TGT_ABTS; mcmd->qpair = ha->base_qpair; + mcmd->vha = vha; /* * LUN is looked up by target-core internally based on the passed @@ -2003,7 +2013,7 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha, static void qlt_24xx_send_task_mgmt_ctio(struct qla_qpair *qpair, struct qla_tgt_mgmt_cmd *mcmd, uint32_t resp_code) { - struct scsi_qla_host *ha = qpair->vha; + struct scsi_qla_host *ha = mcmd->vha; struct atio_from_isp *atio = &mcmd->orig_iocb.atio; struct ctio7_to_24xx *ctio; uint16_t temp; @@ -3464,6 +3474,9 @@ static int __qlt_send_term_exchange(struct qla_qpair *qpair, ql_dbg(ql_dbg_tgt, vha, 0xe009, "Sending TERM EXCH CTIO (ha=%p)\n", ha); + if (cmd) + vha = cmd->vha; + pkt = (request_t *)qla2x00_alloc_iocbs_ready(qpair, NULL); if (pkt == NULL) { ql_dbg(ql_dbg_tgt, vha, 0xe050, @@ -4379,6 +4392,7 @@ static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun, mcmd->flags = flags; mcmd->reset_count = ha->base_qpair->chip_reset; mcmd->qpair = ha->base_qpair; + mcmd->vha = vha; switch (fn) { case QLA_TGT_LUN_RESET: @@ -6170,10 +6184,6 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha) /* free left over qfull cmds */ qlt_init_term_exchange(vha); - mutex_lock(&qla_tgt_mutex); - list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); - mutex_unlock(&qla_tgt_mutex); - ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)", vha->host_no, ha); qlt_release(vha->vha_tgt.qla_tgt); @@ -6530,7 +6540,6 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha, uint8_t ha_locked) /* Adjust ring index */ WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index); - RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha)); } void @@ -6796,7 +6805,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) if (!QLA_TGT_MODE_ENABLED()) return; - if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; } else { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 7fe02d036bdf..aba58d3848a6 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -705,6 +705,7 @@ struct qla_tgt_func_tmpl { int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts); int (*chk_dif_tags)(uint32_t tag); void (*add_target)(struct scsi_qla_host *); + void (*remove_target)(struct scsi_qla_host *); }; int qla2x00_wait_for_hba_online(struct scsi_qla_host *); @@ -959,6 +960,7 @@ struct qla_tgt_mgmt_cmd { uint8_t fc_tm_rsp; struct fc_port *sess; struct qla_qpair *qpair; + struct scsi_qla_host *vha; struct se_cmd se_cmd; struct work_struct free_work; unsigned int flags; diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index b18646d6057f..733e8dcccf5c 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -443,8 +443,12 @@ qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha, qla27xx_skip_entry(ent, buf); } - if (buf) - ent->t263.num_queues = count; + if (buf) { + if (count) + ent->t263.num_queues = count; + else + qla27xx_skip_entry(ent, buf); + } return false; } @@ -692,11 +696,12 @@ qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha, qla27xx_skip_entry(ent, buf); } - if (buf) - ent->t274.num_queues = count; - - if (!count) - qla27xx_skip_entry(ent, buf); + if (buf) { + if (count) + ent->t274.num_queues = count; + else + qla27xx_skip_entry(ent, buf); + } return false; } diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 005a378f7fab..8c4b505c9f66 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "10.00.00.00-k" +#define QLA2XXX_VERSION "10.00.00.01-k" #define QLA_DRIVER_MAJOR_VER 10 #define QLA_DRIVER_MINOR_VER 0 diff --git a/drivers/scsi/qlogicfas.c b/drivers/scsi/qlogicfas.c index 840823b99e51..95431d605c24 100644 --- a/drivers/scsi/qlogicfas.c +++ b/drivers/scsi/qlogicfas.c @@ -188,7 +188,7 @@ static struct scsi_host_template qlogicfas_driver_template = { .info = qlogicfas408_info, .queuecommand = qlogicfas408_queuecommand, .eh_abort_handler = qlogicfas408_abort, - .eh_bus_reset_handler = qlogicfas408_bus_reset, + .eh_host_reset_handler = qlogicfas408_host_reset, .bios_param = qlogicfas408_biosparam, .can_queue = 1, .this_id = -1, diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index c3a9151ca823..8b471a925b43 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -496,13 +496,13 @@ int qlogicfas408_abort(struct scsi_cmnd *cmd) return SUCCESS; } -/* +/* * Reset SCSI bus * FIXME: This function is invoked with cmd = NULL directly by * the PCMCIA qlogic_stub code. This wants fixing */ -int qlogicfas408_bus_reset(struct scsi_cmnd *cmd) +int qlogicfas408_host_reset(struct scsi_cmnd *cmd) { struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd); unsigned long flags; @@ -607,7 +607,7 @@ module_exit(qlogicfas408_exit); EXPORT_SYMBOL(qlogicfas408_info); EXPORT_SYMBOL(qlogicfas408_queuecommand); EXPORT_SYMBOL(qlogicfas408_abort); -EXPORT_SYMBOL(qlogicfas408_bus_reset); +EXPORT_SYMBOL(qlogicfas408_host_reset); EXPORT_SYMBOL(qlogicfas408_biosparam); EXPORT_SYMBOL(qlogicfas408_ihandl); EXPORT_SYMBOL(qlogicfas408_get_chip_type); diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h index 2f6c0a166200..f6b1216af79f 100644 --- a/drivers/scsi/qlogicfas408.h +++ b/drivers/scsi/qlogicfas408.h @@ -108,7 +108,7 @@ int qlogicfas408_biosparam(struct scsi_device * disk, struct block_device *dev, sector_t capacity, int ip[]); int qlogicfas408_abort(struct scsi_cmnd * cmd); -int qlogicfas408_bus_reset(struct scsi_cmnd * cmd); +extern int qlogicfas408_host_reset(struct scsi_cmnd *cmd); const char *qlogicfas408_info(struct Scsi_Host *host); int qlogicfas408_get_chip_type(int qbase, int int_type); void qlogicfas408_setup(int qbase, int id, int int_type); diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 69bfc0a1aea3..cec9a14982e6 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1283,7 +1283,7 @@ static struct scsi_host_template qpti_template = { .queuecommand = qlogicpti_queuecommand, .slave_configure = qlogicpti_slave_configure, .eh_abort_handler = qlogicpti_abort, - .eh_bus_reset_handler = qlogicpti_reset, + .eh_host_reset_handler = qlogicpti_reset, .can_queue = QLOGICPTI_REQ_QUEUE_LEN, .this_id = 7, .sg_tablesize = QLOGICPTI_MAX_SG(QLOGICPTI_REQ_QUEUE_LEN), diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 1bf274e3b2b6..a7e4fba724b7 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -412,6 +412,57 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf, EXPORT_SYMBOL_GPL(scsi_get_vpd_page); /** + * scsi_get_vpd_buf - Get Vital Product Data from a SCSI device + * @sdev: The device to ask + * @page: Which Vital Product Data to return + * + * Returns %NULL upon failure. + */ +static struct scsi_vpd *scsi_get_vpd_buf(struct scsi_device *sdev, u8 page) +{ + struct scsi_vpd *vpd_buf; + int vpd_len = SCSI_VPD_PG_LEN, result; + +retry_pg: + vpd_buf = kmalloc(sizeof(*vpd_buf) + vpd_len, GFP_KERNEL); + if (!vpd_buf) + return NULL; + + result = scsi_vpd_inquiry(sdev, vpd_buf->data, page, vpd_len); + if (result < 0) { + kfree(vpd_buf); + return NULL; + } + if (result > vpd_len) { + vpd_len = result; + kfree(vpd_buf); + goto retry_pg; + } + + vpd_buf->len = result; + + return vpd_buf; +} + +static void scsi_update_vpd_page(struct scsi_device *sdev, u8 page, + struct scsi_vpd __rcu **sdev_vpd_buf) +{ + struct scsi_vpd *vpd_buf; + + vpd_buf = scsi_get_vpd_buf(sdev, page); + if (!vpd_buf) + return; + + mutex_lock(&sdev->inquiry_mutex); + rcu_swap_protected(*sdev_vpd_buf, vpd_buf, + lockdep_is_held(&sdev->inquiry_mutex)); + mutex_unlock(&sdev->inquiry_mutex); + + if (vpd_buf) + kfree_rcu(vpd_buf, rcu); +} + +/** * scsi_attach_vpd - Attach Vital Product Data to a SCSI device structure * @sdev: The device to ask * @@ -422,95 +473,24 @@ EXPORT_SYMBOL_GPL(scsi_get_vpd_page); */ void scsi_attach_vpd(struct scsi_device *sdev) { - int result, i; - int vpd_len = SCSI_VPD_PG_LEN; - int pg80_supported = 0; - int pg83_supported = 0; - unsigned char __rcu *vpd_buf, *orig_vpd_buf = NULL; + int i; + struct scsi_vpd *vpd_buf; if (!scsi_device_supports_vpd(sdev)) return; -retry_pg0: - vpd_buf = kmalloc(vpd_len, GFP_KERNEL); - if (!vpd_buf) - return; - /* Ask for all the pages supported by this device */ - result = scsi_vpd_inquiry(sdev, vpd_buf, 0, vpd_len); - if (result < 0) { - kfree(vpd_buf); + vpd_buf = scsi_get_vpd_buf(sdev, 0); + if (!vpd_buf) return; - } - if (result > vpd_len) { - vpd_len = result; - kfree(vpd_buf); - goto retry_pg0; - } - for (i = 4; i < result; i++) { - if (vpd_buf[i] == 0x80) - pg80_supported = 1; - if (vpd_buf[i] == 0x83) - pg83_supported = 1; + for (i = 4; i < vpd_buf->len; i++) { + if (vpd_buf->data[i] == 0x80) + scsi_update_vpd_page(sdev, 0x80, &sdev->vpd_pg80); + if (vpd_buf->data[i] == 0x83) + scsi_update_vpd_page(sdev, 0x83, &sdev->vpd_pg83); } kfree(vpd_buf); - vpd_len = SCSI_VPD_PG_LEN; - - if (pg80_supported) { -retry_pg80: - vpd_buf = kmalloc(vpd_len, GFP_KERNEL); - if (!vpd_buf) - return; - - result = scsi_vpd_inquiry(sdev, vpd_buf, 0x80, vpd_len); - if (result < 0) { - kfree(vpd_buf); - return; - } - if (result > vpd_len) { - vpd_len = result; - kfree(vpd_buf); - goto retry_pg80; - } - mutex_lock(&sdev->inquiry_mutex); - orig_vpd_buf = sdev->vpd_pg80; - sdev->vpd_pg80_len = result; - rcu_assign_pointer(sdev->vpd_pg80, vpd_buf); - mutex_unlock(&sdev->inquiry_mutex); - synchronize_rcu(); - if (orig_vpd_buf) { - kfree(orig_vpd_buf); - orig_vpd_buf = NULL; - } - vpd_len = SCSI_VPD_PG_LEN; - } - - if (pg83_supported) { -retry_pg83: - vpd_buf = kmalloc(vpd_len, GFP_KERNEL); - if (!vpd_buf) - return; - - result = scsi_vpd_inquiry(sdev, vpd_buf, 0x83, vpd_len); - if (result < 0) { - kfree(vpd_buf); - return; - } - if (result > vpd_len) { - vpd_len = result; - kfree(vpd_buf); - goto retry_pg83; - } - mutex_lock(&sdev->inquiry_mutex); - orig_vpd_buf = sdev->vpd_pg83; - sdev->vpd_pg83_len = result; - rcu_assign_pointer(sdev->vpd_pg83, vpd_buf); - mutex_unlock(&sdev->inquiry_mutex); - synchronize_rcu(); - if (orig_vpd_buf) - kfree(orig_vpd_buf); - } } /** diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 3be980d47268..77a0335eb757 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -2261,7 +2261,7 @@ static int resp_ie_l_pg(unsigned char * arr) static int resp_log_sense(struct scsi_cmnd * scp, struct sdebug_dev_info * devip) { - int ppc, sp, pcontrol, pcode, subpcode, alloc_len, len, n; + int ppc, sp, pcode, subpcode, alloc_len, len, n; unsigned char arr[SDEBUG_MAX_LSENSE_SZ]; unsigned char *cmd = scp->cmnd; @@ -2272,7 +2272,6 @@ static int resp_log_sense(struct scsi_cmnd * scp, mk_sense_invalid_fld(scp, SDEB_IN_CDB, 1, ppc ? 1 : 0); return check_condition_result; } - pcontrol = (cmd[2] & 0xc0) >> 6; pcode = cmd[2] & 0x3f; subpcode = cmd[3] & 0xff; alloc_len = get_unaligned_be16(cmd + 7); diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index a97c9507103d..5e9755008aed 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -6,8 +6,10 @@ void scsi_show_rq(struct seq_file *m, struct request *rq) { struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req); + int msecs = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc); char buf[80]; __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len); - seq_printf(m, ", .cmd=%s", buf); + seq_printf(m, ", .cmd=%s, .retries=%d, allocated %d.%03d s ago", buf, + cmd->retries, msecs / 1000, msecs % 1000); } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index ea9f40e51f68..38942050b265 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -259,7 +259,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd) */ enum blk_eh_timer_return scsi_times_out(struct request *req) { - struct scsi_cmnd *scmd = req->special; + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED; struct Scsi_Host *host = scmd->device->host; @@ -552,6 +552,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd) set_host_byte(scmd, DID_ALLOC_FAILURE); return SUCCESS; } + /* FALLTHROUGH */ case COPY_ABORTED: case VOLUME_OVERFLOW: case MISCOMPARE: @@ -573,6 +574,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd) return ADD_TO_MLQUEUE; else set_host_byte(scmd, DID_TARGET_FAILURE); + /* FALLTHROUGH */ case ILLEGAL_REQUEST: if (sshdr.asc == 0x20 || /* Invalid command operation code */ @@ -683,6 +685,7 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) switch (status_byte(scmd->result)) { case GOOD: scsi_handle_queue_ramp_up(scmd->device); + /* FALLTHROUGH */ case COMMAND_TERMINATED: return SUCCESS; case CHECK_CONDITION: @@ -1734,6 +1737,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) set_host_byte(scmd, DID_TIME_OUT); return SUCCESS; } + /* FALLTHROUGH */ case DID_NO_CONNECT: case DID_BAD_TARGET: /* @@ -1819,6 +1823,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * the case of trying to send too many commands to a * tagged queueing device. */ + /* FALLTHROUGH */ case BUSY: /* * device can't talk to us at the moment. Should only @@ -1831,6 +1836,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) if (scmd->cmnd[0] == REPORT_LUNS) scmd->device->sdev_target->expecting_lun_change = 0; scsi_handle_queue_ramp_up(scmd->device); + /* FALLTHROUGH */ case COMMAND_TERMINATED: return SUCCESS; case TASK_ABORTED: @@ -2320,8 +2326,8 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg) rtn = scsi_try_host_reset(scmd); if (rtn == SUCCESS) break; - default: /* FALLTHROUGH */ + default: rtn = FAILED; break; } diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index b6bf3f29a12a..0a875491f5a7 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -116,13 +116,15 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd, case NOT_READY: /* This happens if there is no disc in drive */ if (sdev->removable) break; + /* FALLTHROUGH */ case UNIT_ATTENTION: if (sdev->removable) { sdev->changed = 1; result = 0; /* This is no longer considered an error */ break; } - default: /* Fall through for non-removable media */ + /* FALLTHROUGH -- for non-removable media */ + default: sdev_printk(KERN_INFO, sdev, "ioctl_internal_command return code = %x\n", result); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index f6097b89d5d3..9cf6a80fe297 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -44,6 +44,8 @@ static struct kmem_cache *scsi_sense_cache; static struct kmem_cache *scsi_sense_isadma_cache; static DEFINE_MUTEX(scsi_sense_cache_mutex); +static void scsi_mq_uninit_cmd(struct scsi_cmnd *cmd); + static inline struct kmem_cache * scsi_select_sense_cache(bool unchecked_isa_dma) { @@ -140,6 +142,12 @@ static void scsi_mq_requeue_cmd(struct scsi_cmnd *cmd) { struct scsi_device *sdev = cmd->device; + if (cmd->request->rq_flags & RQF_DONTPREP) { + cmd->request->rq_flags &= ~RQF_DONTPREP; + scsi_mq_uninit_cmd(cmd); + } else { + WARN_ON_ONCE(true); + } blk_mq_requeue_request(cmd->request, true); put_device(&sdev->sdev_gendev); } @@ -627,7 +635,7 @@ static void scsi_release_bidi_buffers(struct scsi_cmnd *cmd) static bool scsi_end_request(struct request *req, blk_status_t error, unsigned int bytes, unsigned int bidi_bytes) { - struct scsi_cmnd *cmd = req->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); struct scsi_device *sdev = cmd->device; struct request_queue *q = sdev->request_queue; @@ -642,6 +650,11 @@ static bool scsi_end_request(struct request *req, blk_status_t error, if (blk_queue_add_random(q)) add_disk_randomness(req->rq_disk); + if (!blk_rq_is_scsi(req)) { + WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED)); + cmd->flags &= ~SCMD_INITIALIZED; + } + if (req->mq_ctx) { /* * In the MQ case the command gets freed by __blk_mq_end_request, @@ -977,8 +990,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * A new command will be prepared and issued. */ if (q->mq_ops) { - cmd->request->rq_flags &= ~RQF_DONTPREP; - scsi_mq_uninit_cmd(cmd); scsi_mq_requeue_cmd(cmd); } else { scsi_release_buffers(cmd); @@ -1107,15 +1118,23 @@ err_exit: EXPORT_SYMBOL(scsi_init_io); /** - * scsi_initialize_rq - initialize struct scsi_cmnd.req + * scsi_initialize_rq - initialize struct scsi_cmnd partially + * @rq: Request associated with the SCSI command to be initialized. + * + * This function initializes the members of struct scsi_cmnd that must be + * initialized before request processing starts and that won't be + * reinitialized if a SCSI command is requeued. * - * Called from inside blk_get_request(). + * Called from inside blk_get_request() for pass-through requests and from + * inside scsi_init_command() for filesystem requests. */ void scsi_initialize_rq(struct request *rq) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); scsi_req_init(&cmd->req); + cmd->jiffies_at_alloc = jiffies; + cmd->retries = 0; } EXPORT_SYMBOL(scsi_initialize_rq); @@ -1153,8 +1172,18 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd) { void *buf = cmd->sense_buffer; void *prot = cmd->prot_sdb; - unsigned int unchecked_isa_dma = cmd->flags & SCMD_UNCHECKED_ISA_DMA; + struct request *rq = blk_mq_rq_from_pdu(cmd); + unsigned int flags = cmd->flags & SCMD_PRESERVED_FLAGS; + unsigned long jiffies_at_alloc; + int retries; + + if (!blk_rq_is_scsi(rq) && !(flags & SCMD_INITIALIZED)) { + flags |= SCMD_INITIALIZED; + scsi_initialize_rq(rq); + } + jiffies_at_alloc = cmd->jiffies_at_alloc; + retries = cmd->retries; /* zero out the cmd, except for the embedded scsi_request */ memset((char *)cmd + sizeof(cmd->req), 0, sizeof(*cmd) - sizeof(cmd->req) + dev->host->hostt->cmd_size); @@ -1162,16 +1191,17 @@ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd) cmd->device = dev; cmd->sense_buffer = buf; cmd->prot_sdb = prot; - cmd->flags = unchecked_isa_dma; + cmd->flags = flags; INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler); - cmd->jiffies_at_alloc = jiffies; + cmd->jiffies_at_alloc = jiffies_at_alloc; + cmd->retries = retries; scsi_add_cmd_to_list(cmd); } static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req) { - struct scsi_cmnd *cmd = req->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); /* * Passthrough requests may transfer data, in which case they must @@ -1202,7 +1232,7 @@ static int scsi_setup_scsi_cmnd(struct scsi_device *sdev, struct request *req) */ static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req) { - struct scsi_cmnd *cmd = req->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); if (unlikely(sdev->handler && sdev->handler->prep_fn)) { int ret = sdev->handler->prep_fn(sdev, req); @@ -1217,7 +1247,7 @@ static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req) static int scsi_setup_cmnd(struct scsi_device *sdev, struct request *req) { - struct scsi_cmnd *cmd = req->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); if (!blk_rq_bytes(req)) cmd->sc_data_direction = DMA_NONE; @@ -1349,12 +1379,14 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req) ret = scsi_setup_cmnd(sdev, req); out: + if (ret != BLKPREP_OK) + cmd->flags &= ~SCMD_INITIALIZED; return scsi_prep_return(q, req, ret); } static void scsi_unprep_fn(struct request_queue *q, struct request *req) { - scsi_uninit_cmd(req->special); + scsi_uninit_cmd(blk_mq_rq_to_pdu(req)); } /* @@ -1545,7 +1577,7 @@ static int scsi_lld_busy(struct request_queue *q) */ static void scsi_kill_request(struct request *req, struct request_queue *q) { - struct scsi_cmnd *cmd = req->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); struct scsi_device *sdev; struct scsi_target *starget; struct Scsi_Host *shost; @@ -1576,7 +1608,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) static void scsi_softirq_done(struct request *rq) { - struct scsi_cmnd *cmd = rq->special; + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); unsigned long wait_for = (cmd->allowed + 1) * rq->timeout; int disposition; @@ -1764,8 +1796,8 @@ static void scsi_request_fn(struct request_queue *q) blk_start_request(req); spin_unlock_irq(q->queue_lock); - cmd = req->special; - if (unlikely(cmd == NULL)) { + cmd = blk_mq_rq_to_pdu(req); + if (cmd != req->special) { printk(KERN_CRIT "impossible request in %s.\n" "please mail a stack trace to " "linux-scsi@vger.kernel.org\n", @@ -1868,6 +1900,7 @@ static int scsi_mq_prep_fn(struct request *req) struct scsi_device *sdev = req->q->queuedata; struct Scsi_Host *shost = sdev->host; struct scatterlist *sg; + int ret; scsi_init_command(sdev, cmd); @@ -1901,7 +1934,10 @@ static int scsi_mq_prep_fn(struct request *req) blk_mq_start_request(req); - return scsi_setup_cmnd(sdev, req); + ret = scsi_setup_cmnd(sdev, req); + if (ret != BLK_STS_OK) + cmd->flags &= ~SCMD_INITIALIZED; + return ret; } static void scsi_mq_done(struct scsi_cmnd *cmd) @@ -2001,8 +2037,8 @@ static enum blk_eh_timer_return scsi_timeout(struct request *req, return scsi_times_out(req); } -static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq, - unsigned int hctx_idx, unsigned int numa_node) +static int scsi_mq_init_request(struct blk_mq_tag_set *set, struct request *rq, + unsigned int hctx_idx, unsigned int numa_node) { struct Scsi_Host *shost = set->driver_data; const bool unchecked_isa_dma = shost->unchecked_isa_dma; @@ -2026,8 +2062,8 @@ static int scsi_init_request(struct blk_mq_tag_set *set, struct request *rq, return 0; } -static void scsi_exit_request(struct blk_mq_tag_set *set, struct request *rq, - unsigned int hctx_idx) +static void scsi_mq_exit_request(struct blk_mq_tag_set *set, struct request *rq, + unsigned int hctx_idx) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); @@ -2104,7 +2140,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q) } EXPORT_SYMBOL_GPL(__scsi_init_queue); -static int scsi_init_rq(struct request_queue *q, struct request *rq, gfp_t gfp) +static int scsi_old_init_rq(struct request_queue *q, struct request *rq, + gfp_t gfp) { struct Scsi_Host *shost = q->rq_alloc_data; const bool unchecked_isa_dma = shost->unchecked_isa_dma; @@ -2134,7 +2171,7 @@ fail: return -ENOMEM; } -static void scsi_exit_rq(struct request_queue *q, struct request *rq) +static void scsi_old_exit_rq(struct request_queue *q, struct request *rq) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); @@ -2144,7 +2181,7 @@ static void scsi_exit_rq(struct request_queue *q, struct request *rq) cmd->sense_buffer); } -struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) +struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev) { struct Scsi_Host *shost = sdev->host; struct request_queue *q; @@ -2155,8 +2192,8 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) q->cmd_size = sizeof(struct scsi_cmnd) + shost->hostt->cmd_size; q->rq_alloc_data = shost; q->request_fn = scsi_request_fn; - q->init_rq_fn = scsi_init_rq; - q->exit_rq_fn = scsi_exit_rq; + q->init_rq_fn = scsi_old_init_rq; + q->exit_rq_fn = scsi_old_exit_rq; q->initialize_rq_fn = scsi_initialize_rq; if (blk_init_allocated_queue(q) < 0) { @@ -2180,8 +2217,8 @@ static const struct blk_mq_ops scsi_mq_ops = { #ifdef CONFIG_BLK_DEBUG_FS .show_rq = scsi_show_rq, #endif - .init_request = scsi_init_request, - .exit_request = scsi_exit_request, + .init_request = scsi_mq_init_request, + .exit_request = scsi_mq_exit_request, .initialize_rq_fn = scsi_initialize_rq, .map_queues = scsi_map_queues, }; @@ -2547,7 +2584,7 @@ EXPORT_SYMBOL(scsi_test_unit_ready); * @sdev: scsi device to change the state of. * @state: state to change to. * - * Returns zero if unsuccessful or an error if the requested + * Returns zero if successful or an error if the requested * transition is illegal. */ int @@ -2654,6 +2691,7 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state) } sdev->sdev_state = state; + sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); return 0; illegal: @@ -3073,19 +3111,26 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev, * Try to transition the scsi device to SDEV_RUNNING or one of the * offlined states and goose the device queue if successful. */ - if ((sdev->sdev_state == SDEV_BLOCK) || - (sdev->sdev_state == SDEV_TRANSPORT_OFFLINE)) + switch (sdev->sdev_state) { + case SDEV_BLOCK: + case SDEV_TRANSPORT_OFFLINE: sdev->sdev_state = new_state; - else if (sdev->sdev_state == SDEV_CREATED_BLOCK) { + sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); + break; + case SDEV_CREATED_BLOCK: if (new_state == SDEV_TRANSPORT_OFFLINE || new_state == SDEV_OFFLINE) sdev->sdev_state = new_state; else sdev->sdev_state = SDEV_CREATED; - } else if (sdev->sdev_state != SDEV_CANCEL && - sdev->sdev_state != SDEV_OFFLINE) + sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); + break; + case SDEV_CANCEL: + case SDEV_OFFLINE: + break; + default: return -EINVAL; - + } scsi_start_queue(sdev); return 0; @@ -3262,8 +3307,8 @@ int scsi_vpd_lun_id(struct scsi_device *sdev, char *id, size_t id_len) { u8 cur_id_type = 0xff; u8 cur_id_size = 0; - unsigned char *d, *cur_id_str; - unsigned char __rcu *vpd_pg83; + const unsigned char *d, *cur_id_str; + const struct scsi_vpd *vpd_pg83; int id_size = -EINVAL; rcu_read_lock(); @@ -3294,8 +3339,8 @@ int scsi_vpd_lun_id(struct scsi_device *sdev, char *id, size_t id_len) } memset(id, 0, id_len); - d = vpd_pg83 + 4; - while (d < vpd_pg83 + sdev->vpd_pg83_len) { + d = vpd_pg83->data + 4; + while (d < vpd_pg83->data + vpd_pg83->len) { /* Skip designators not referring to the LUN */ if ((d[1] & 0x30) != 0x00) goto next_desig; @@ -3411,8 +3456,8 @@ EXPORT_SYMBOL(scsi_vpd_lun_id); */ int scsi_vpd_tpg_id(struct scsi_device *sdev, int *rel_id) { - unsigned char *d; - unsigned char __rcu *vpd_pg83; + const unsigned char *d; + const struct scsi_vpd *vpd_pg83; int group_id = -EAGAIN, rel_port = -1; rcu_read_lock(); @@ -3422,8 +3467,8 @@ int scsi_vpd_tpg_id(struct scsi_device *sdev, int *rel_id) return -ENXIO; } - d = sdev->vpd_pg83 + 4; - while (d < sdev->vpd_pg83 + sdev->vpd_pg83_len) { + d = vpd_pg83->data + 4; + while (d < vpd_pg83->data + vpd_pg83->len) { switch (d[1] & 0xf) { case 0x4: /* Relative target port */ diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index c11c1f9c912c..5c6d016a5ae9 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -88,7 +88,7 @@ extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason); extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); extern void scsi_run_host_queues(struct Scsi_Host *shost); extern void scsi_requeue_run_queue(struct work_struct *work); -extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); +extern struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev); extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev); extern void scsi_start_queue(struct scsi_device *sdev); extern int scsi_mq_setup_tags(struct Scsi_Host *shost); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index fd88dabd599d..e7818afeda2b 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -268,7 +268,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, if (shost_use_blk_mq(shost)) sdev->request_queue = scsi_mq_alloc_queue(sdev); else - sdev->request_queue = scsi_alloc_queue(sdev); + sdev->request_queue = scsi_old_alloc_queue(sdev); if (!sdev->request_queue) { /* release fn is set up in scsi_sysfs_device_initialise, so * have to free and put manually here */ diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index d6984df71f1c..bf53356f41f0 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -114,7 +114,7 @@ static int check_set(unsigned long long *val, char *src) { char *last; - if (strncmp(src, "-", 20) == 0) { + if (strcmp(src, "-") == 0) { *val = SCAN_WILD_CARD; } else { /* @@ -303,6 +303,8 @@ store_host_reset(struct device *dev, struct device_attribute *attr, if (sht->host_reset) ret = sht->host_reset(shost, type); + else + ret = -EOPNOTSUPP; exit_store_host_reset: if (ret == 0) @@ -426,6 +428,7 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) struct scsi_device *sdev; struct device *parent; struct list_head *this, *tmp; + struct scsi_vpd *vpd_pg80 = NULL, *vpd_pg83 = NULL; unsigned long flags; sdev = container_of(work, struct scsi_device, ew.work); @@ -454,8 +457,17 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) /* NULL queue means the device can't be used */ sdev->request_queue = NULL; - kfree(sdev->vpd_pg83); - kfree(sdev->vpd_pg80); + mutex_lock(&sdev->inquiry_mutex); + rcu_swap_protected(sdev->vpd_pg80, vpd_pg80, + lockdep_is_held(&sdev->inquiry_mutex)); + rcu_swap_protected(sdev->vpd_pg83, vpd_pg83, + lockdep_is_held(&sdev->inquiry_mutex)); + mutex_unlock(&sdev->inquiry_mutex); + + if (vpd_pg83) + kfree_rcu(vpd_pg83, rcu); + if (vpd_pg80) + kfree_rcu(vpd_pg80, rcu); kfree(sdev->inquiry); kfree(sdev); @@ -793,15 +805,16 @@ show_vpd_##_page(struct file *filp, struct kobject *kobj, \ { \ struct device *dev = container_of(kobj, struct device, kobj); \ struct scsi_device *sdev = to_scsi_device(dev); \ - int ret; \ - if (!sdev->vpd_##_page) \ - return -EINVAL; \ + struct scsi_vpd *vpd_page; \ + int ret = -EINVAL; \ + \ rcu_read_lock(); \ - ret = memory_read_from_buffer(buf, count, &off, \ - rcu_dereference(sdev->vpd_##_page), \ - sdev->vpd_##_page##_len); \ + vpd_page = rcu_dereference(sdev->vpd_##_page); \ + if (vpd_page) \ + ret = memory_read_from_buffer(buf, count, &off, \ + vpd_page->data, vpd_page->len); \ rcu_read_unlock(); \ - return ret; \ + return ret; \ } \ static struct bin_attribute dev_attr_vpd_##_page = { \ .attr = {.name = __stringify(vpd_##_page), .mode = S_IRUGO }, \ diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 892fbd9800d9..3c6bc0081fcb 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3276,8 +3276,8 @@ fc_scsi_scan_rport(struct work_struct *work) } /** - * fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport - * @cmnd: SCSI command that scsi_eh is trying to recover + * fc_block_rport() - Block SCSI eh thread for blocked fc_rport. + * @rport: Remote port that scsi_eh is trying to recover. * * This routine can be called from a FC LLD scsi_eh callback. It * blocks the scsi_eh thread until the fc_rport leaves the @@ -3289,10 +3289,9 @@ fc_scsi_scan_rport(struct work_struct *work) * FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be * passed back to scsi_eh. */ -int fc_block_scsi_eh(struct scsi_cmnd *cmnd) +int fc_block_rport(struct fc_rport *rport) { - struct Scsi_Host *shost = cmnd->device->host; - struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); + struct Scsi_Host *shost = rport_to_shost(rport); unsigned long flags; spin_lock_irqsave(shost->host_lock, flags); @@ -3309,6 +3308,28 @@ int fc_block_scsi_eh(struct scsi_cmnd *cmnd) return 0; } +EXPORT_SYMBOL(fc_block_rport); + +/** + * fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport + * @cmnd: SCSI command that scsi_eh is trying to recover + * + * This routine can be called from a FC LLD scsi_eh callback. It + * blocks the scsi_eh thread until the fc_rport leaves the + * FC_PORTSTATE_BLOCKED, or the fast_io_fail_tmo fires. This is + * necessary to avoid the scsi_eh failing recovery actions for blocked + * rports which would lead to offlined SCSI devices. + * + * Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED. + * FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be + * passed back to scsi_eh. + */ +int fc_block_scsi_eh(struct scsi_cmnd *cmnd) +{ + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); + + return fc_block_rport(rport); +} EXPORT_SYMBOL(fc_block_scsi_eh); /** @@ -3763,7 +3784,8 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host) snprintf(bsg_name, sizeof(bsg_name), "fc_host%d", shost->host_no); - q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, i->f->dd_bsg_size); + q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, i->f->dd_bsg_size, + NULL); if (IS_ERR(q)) { dev_err(dev, "fc_host%d: bsg interface failed to initialize - setup queue\n", @@ -3808,7 +3830,8 @@ fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport) if (!i->f->bsg_request) return -ENOTSUPP; - q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size); + q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size, + NULL); if (IS_ERR(q)) { dev_err(dev, "failed to setup bsg queue\n"); return PTR_ERR(q); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index a424eaeafeb0..8934f19bce8e 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1009,7 +1009,7 @@ static void iscsi_flashnode_sess_release(struct device *dev) kfree(fnode_sess); } -static struct device_type iscsi_flashnode_sess_dev_type = { +static const struct device_type iscsi_flashnode_sess_dev_type = { .name = "iscsi_flashnode_sess_dev_type", .groups = iscsi_flashnode_sess_attr_groups, .release = iscsi_flashnode_sess_release, @@ -1195,7 +1195,7 @@ static void iscsi_flashnode_conn_release(struct device *dev) kfree(fnode_conn); } -static struct device_type iscsi_flashnode_conn_dev_type = { +static const struct device_type iscsi_flashnode_conn_dev_type = { .name = "iscsi_flashnode_conn_dev_type", .groups = iscsi_flashnode_conn_attr_groups, .release = iscsi_flashnode_conn_release, @@ -1542,7 +1542,7 @@ iscsi_bsg_host_add(struct Scsi_Host *shost, struct iscsi_cls_host *ihost) return -ENOTSUPP; snprintf(bsg_name, sizeof(bsg_name), "iscsi_host%d", shost->host_no); - q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, 0); + q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, 0, NULL); if (IS_ERR(q)) { shost_printk(KERN_ERR, shost, "bsg interface failed to " "initialize - no request queue\n"); diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 5006a656e16a..319dff970237 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -169,39 +169,22 @@ static struct sas_end_device *sas_sdev_to_rdev(struct scsi_device *sdev) return rdev; } -static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost, - struct sas_rphy *rphy) +static int sas_smp_dispatch(struct bsg_job *job) { - struct request *req; - blk_status_t ret; - int (*handler)(struct Scsi_Host *, struct sas_rphy *, struct request *); + struct Scsi_Host *shost = dev_to_shost(job->dev); + struct sas_rphy *rphy = NULL; - while ((req = blk_fetch_request(q)) != NULL) { - spin_unlock_irq(q->queue_lock); + if (!scsi_is_host_device(job->dev)) + rphy = dev_to_rphy(job->dev); - scsi_req(req)->resid_len = blk_rq_bytes(req); - if (req->next_rq) - scsi_req(req->next_rq)->resid_len = - blk_rq_bytes(req->next_rq); - handler = to_sas_internal(shost->transportt)->f->smp_handler; - ret = handler(shost, rphy, req); - scsi_req(req)->result = ret; - - blk_end_request_all(req, 0); - - spin_lock_irq(q->queue_lock); + if (!job->req->next_rq) { + dev_warn(job->dev, "space for a smp response is missing\n"); + bsg_job_done(job, -EINVAL, 0); + return 0; } -} - -static void sas_host_smp_request(struct request_queue *q) -{ - sas_smp_request(q, (struct Scsi_Host *)q->queuedata, NULL); -} -static void sas_non_host_smp_request(struct request_queue *q) -{ - struct sas_rphy *rphy = q->queuedata; - sas_smp_request(q, rphy_to_shost(rphy), rphy); + to_sas_internal(shost->transportt)->f->smp_handler(job, shost, rphy); + return 0; } static void sas_host_release(struct device *dev) @@ -217,81 +200,36 @@ static void sas_host_release(struct device *dev) static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy) { struct request_queue *q; - int error; - struct device *dev; - char namebuf[20]; - const char *name; - void (*release)(struct device *); if (!to_sas_internal(shost->transportt)->f->smp_handler) { printk("%s can't handle SMP requests\n", shost->hostt->name); return 0; } - q = blk_alloc_queue(GFP_KERNEL); - if (!q) - return -ENOMEM; - q->initialize_rq_fn = scsi_initialize_rq; - q->cmd_size = sizeof(struct scsi_request); - if (rphy) { - q->request_fn = sas_non_host_smp_request; - dev = &rphy->dev; - name = dev_name(dev); - release = NULL; + q = bsg_setup_queue(&rphy->dev, dev_name(&rphy->dev), + sas_smp_dispatch, 0, NULL); + if (IS_ERR(q)) + return PTR_ERR(q); + rphy->q = q; } else { - q->request_fn = sas_host_smp_request; - dev = &shost->shost_gendev; - snprintf(namebuf, sizeof(namebuf), - "sas_host%d", shost->host_no); - name = namebuf; - release = sas_host_release; + char name[20]; + + snprintf(name, sizeof(name), "sas_host%d", shost->host_no); + q = bsg_setup_queue(&shost->shost_gendev, name, + sas_smp_dispatch, 0, sas_host_release); + if (IS_ERR(q)) + return PTR_ERR(q); + to_sas_host_attrs(shost)->q = q; } - error = blk_init_allocated_queue(q); - if (error) - goto out_cleanup_queue; /* * by default assume old behaviour and bounce for any highmem page */ blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH); - - error = bsg_register_queue(q, dev, name, release); - if (error) - goto out_cleanup_queue; - - if (rphy) - rphy->q = q; - else - to_sas_host_attrs(shost)->q = q; - - if (rphy) - q->queuedata = rphy; - else - q->queuedata = shost; - queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q); queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, q); return 0; - -out_cleanup_queue: - blk_cleanup_queue(q); - return error; -} - -static void sas_bsg_remove(struct Scsi_Host *shost, struct sas_rphy *rphy) -{ - struct request_queue *q; - - if (rphy) - q = rphy->q; - else - q = to_sas_host_attrs(shost)->q; - - if (!q) - return; - - bsg_unregister_queue(q); } /* @@ -321,9 +259,10 @@ static int sas_host_remove(struct transport_container *tc, struct device *dev, struct device *cdev) { struct Scsi_Host *shost = dev_to_shost(dev); + struct request_queue *q = to_sas_host_attrs(shost)->q; - sas_bsg_remove(shost, NULL); - + if (q) + bsg_unregister_queue(q); return 0; } @@ -421,6 +360,9 @@ sas_tlr_supported(struct scsi_device *sdev) char *buffer = kzalloc(vpd_len, GFP_KERNEL); int ret = 0; + if (!buffer) + goto out; + if (scsi_get_vpd_page(sdev, 0x90, buffer, vpd_len)) goto out; @@ -1710,7 +1652,8 @@ sas_rphy_remove(struct sas_rphy *rphy) } sas_rphy_unlink(rphy); - sas_bsg_remove(NULL, rphy); + if (rphy->q) + bsg_unregister_queue(rphy->q); transport_remove_device(dev); device_del(dev); } diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index f617021c94f7..4f6f01cf9968 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -78,7 +78,7 @@ static inline struct srp_rport *shost_to_rport(struct Scsi_Host *shost) * parameters must be such that multipath can detect failed paths timely. * Hence do not allow all three parameters to be disabled simultaneously. */ -int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo) +int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, long dev_loss_tmo) { if (reconnect_delay < 0 && fast_io_fail_tmo < 0 && dev_loss_tmo < 0) return -EINVAL; @@ -556,8 +556,11 @@ int srp_reconnect_rport(struct srp_rport *rport) */ shost_for_each_device(sdev, shost) { mutex_lock(&sdev->state_mutex); - if (sdev->sdev_state == SDEV_OFFLINE) + if (sdev->sdev_state == SDEV_OFFLINE) { sdev->sdev_state = SDEV_RUNNING; + sysfs_notify(&sdev->sdev_gendev.kobj, + NULL, "state"); + } mutex_unlock(&sdev->state_mutex); } } else if (rport->state == SRP_RPORT_RUNNING) { diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e2647f2d4430..11c1738c2100 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -312,7 +312,7 @@ protection_type_store(struct device *dev, struct device_attribute *attr, if (err) return err; - if (val >= 0 && val <= T10_PI_TYPE3_PROTECTION) + if (val <= T10_PI_TYPE3_PROTECTION) sdkp->protection_type = val; return count; @@ -1013,7 +1013,7 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) ret = scsi_init_io(SCpnt); if (ret != BLKPREP_OK) goto out; - SCpnt = rq->special; + WARN_ON_ONCE(SCpnt != rq->special); /* from here on until we're complete, any goto out * is used for a killable error condition */ @@ -3226,7 +3226,6 @@ static void sd_probe_async(void *data, async_cookie_t cookie) gd->major = sd_major((index & 0xf0) >> 4); gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); - gd->minors = SD_MINORS; gd->fops = &sd_fops; gd->private_data = &sdkp->driver; @@ -3540,7 +3539,7 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) * doesn't support sync. There's not much to do and * suspend shouldn't fail. */ - ret = 0; + ret = 0; } } diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index 8927f9f54ad9..11826c5c2dd4 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -51,6 +51,13 @@ struct ses_component { u64 addr; }; +static bool ses_page2_supported(struct enclosure_device *edev) +{ + struct ses_device *ses_dev = edev->scratch; + + return (ses_dev->page2 != NULL); +} + static int ses_probe(struct device *dev) { struct scsi_device *sdev = to_scsi_device(dev); @@ -179,7 +186,8 @@ static unsigned char *ses_get_page2_descriptor(struct enclosure_device *edev, unsigned char *type_ptr = ses_dev->page1_types; unsigned char *desc_ptr = ses_dev->page2 + 8; - ses_recv_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len); + if (ses_recv_diag(sdev, 2, ses_dev->page2, ses_dev->page2_len) < 0) + return NULL; for (i = 0; i < ses_dev->page1_num_types; i++, type_ptr += 4) { for (j = 0; j < type_ptr[1]; j++) { @@ -203,6 +211,10 @@ static void ses_get_fault(struct enclosure_device *edev, { unsigned char *desc; + if (!ses_page2_supported(edev)) { + ecomp->fault = 0; + return; + } desc = ses_get_page2_descriptor(edev, ecomp); if (desc) ecomp->fault = (desc[3] & 0x60) >> 4; @@ -215,6 +227,9 @@ static int ses_set_fault(struct enclosure_device *edev, unsigned char desc[4]; unsigned char *desc_ptr; + if (!ses_page2_supported(edev)) + return -EINVAL; + desc_ptr = ses_get_page2_descriptor(edev, ecomp); if (!desc_ptr) @@ -242,6 +257,10 @@ static void ses_get_status(struct enclosure_device *edev, { unsigned char *desc; + if (!ses_page2_supported(edev)) { + ecomp->status = 0; + return; + } desc = ses_get_page2_descriptor(edev, ecomp); if (desc) ecomp->status = (desc[0] & 0x0f); @@ -252,6 +271,10 @@ static void ses_get_locate(struct enclosure_device *edev, { unsigned char *desc; + if (!ses_page2_supported(edev)) { + ecomp->locate = 0; + return; + } desc = ses_get_page2_descriptor(edev, ecomp); if (desc) ecomp->locate = (desc[2] & 0x02) ? 1 : 0; @@ -264,6 +287,9 @@ static int ses_set_locate(struct enclosure_device *edev, unsigned char desc[4]; unsigned char *desc_ptr; + if (!ses_page2_supported(edev)) + return -EINVAL; + desc_ptr = ses_get_page2_descriptor(edev, ecomp); if (!desc_ptr) @@ -292,6 +318,9 @@ static int ses_set_active(struct enclosure_device *edev, unsigned char desc[4]; unsigned char *desc_ptr; + if (!ses_page2_supported(edev)) + return -EINVAL; + desc_ptr = ses_get_page2_descriptor(edev, ecomp); if (!desc_ptr) @@ -328,6 +357,11 @@ static void ses_get_power_status(struct enclosure_device *edev, { unsigned char *desc; + if (!ses_page2_supported(edev)) { + ecomp->power_status = 0; + return; + } + desc = ses_get_page2_descriptor(edev, ecomp); if (desc) ecomp->power_status = (desc[3] & 0x10) ? 0 : 1; @@ -340,6 +374,9 @@ static int ses_set_power_status(struct enclosure_device *edev, unsigned char desc[4]; unsigned char *desc_ptr; + if (!ses_page2_supported(edev)) + return -EINVAL; + desc_ptr = ses_get_page2_descriptor(edev, ecomp); if (!desc_ptr) @@ -601,7 +638,7 @@ static int ses_intf_add(struct device *cdev, { struct scsi_device *sdev = to_scsi_device(cdev->parent); struct scsi_device *tmp_sdev; - unsigned char *buf = NULL, *hdr_buf, *type_ptr; + unsigned char *buf = NULL, *hdr_buf, *type_ptr, page; struct ses_device *ses_dev; u32 result; int i, types, len, components = 0; @@ -630,7 +667,8 @@ static int ses_intf_add(struct device *cdev, if (!hdr_buf || !ses_dev) goto err_init_free; - result = ses_recv_diag(sdev, 1, hdr_buf, INIT_ALLOC_SIZE); + page = 1; + result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE); if (result) goto recv_failed; @@ -639,7 +677,7 @@ static int ses_intf_add(struct device *cdev, if (!buf) goto err_free; - result = ses_recv_diag(sdev, 1, buf, len); + result = ses_recv_diag(sdev, page, buf, len); if (result) goto recv_failed; @@ -669,9 +707,10 @@ static int ses_intf_add(struct device *cdev, ses_dev->page1_len = len; buf = NULL; - result = ses_recv_diag(sdev, 2, hdr_buf, INIT_ALLOC_SIZE); + page = 2; + result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE); if (result) - goto recv_failed; + goto page2_not_supported; len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; buf = kzalloc(len, GFP_KERNEL); @@ -688,7 +727,8 @@ static int ses_intf_add(struct device *cdev, /* The additional information page --- allows us * to match up the devices */ - result = ses_recv_diag(sdev, 10, hdr_buf, INIT_ALLOC_SIZE); + page = 10; + result = ses_recv_diag(sdev, page, hdr_buf, INIT_ALLOC_SIZE); if (!result) { len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; @@ -696,13 +736,14 @@ static int ses_intf_add(struct device *cdev, if (!buf) goto err_free; - result = ses_recv_diag(sdev, 10, buf, len); + result = ses_recv_diag(sdev, page, buf, len); if (result) goto recv_failed; ses_dev->page10 = buf; ses_dev->page10_len = len; buf = NULL; } +page2_not_supported: scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL); if (!scomp) goto err_free; @@ -734,7 +775,7 @@ static int ses_intf_add(struct device *cdev, recv_failed: sdev_printk(KERN_ERR, sdev, "Failed to get diagnostic page 0x%x\n", - result); + page); err = -ENODEV; err_free: kfree(buf); @@ -777,8 +818,6 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev) if (!edev) return; - enclosure_unregister(edev); - ses_dev = edev->scratch; edev->scratch = NULL; @@ -790,6 +829,7 @@ static void ses_intf_remove_enclosure(struct scsi_device *sdev) kfree(edev->component[0].scratch); put_device(&edev->edev); + enclosure_unregister(edev); } static void ses_intf_remove(struct device *cdev, diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 84e782d8e7c3..cf0e71db9e51 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1081,8 +1081,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) return blk_trace_setup(sdp->device->request_queue, sdp->disk->disk_name, MKDEV(SCSI_GENERIC_MAJOR, sdp->index), - NULL, - (char *)arg); + NULL, p); case BLKTRACESTART: return blk_trace_startstop(sdp->device->request_queue, 1); case BLKTRACESTOP: @@ -1233,6 +1232,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) unsigned long req_sz, len, sa; Sg_scatter_hold *rsv_schp; int k, length; + int ret = 0; if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data))) return -ENXIO; @@ -1243,8 +1243,11 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) if (vma->vm_pgoff) return -EINVAL; /* want no offset */ rsv_schp = &sfp->reserve; - if (req_sz > rsv_schp->bufflen) - return -ENOMEM; /* cannot map more than reserved buffer */ + mutex_lock(&sfp->f_mutex); + if (req_sz > rsv_schp->bufflen) { + ret = -ENOMEM; /* cannot map more than reserved buffer */ + goto out; + } sa = vma->vm_start; length = 1 << (PAGE_SHIFT + rsv_schp->page_order); @@ -1258,7 +1261,9 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; vma->vm_private_data = sfp; vma->vm_ops = &sg_mmap_vm_ops; - return 0; +out: + mutex_unlock(&sfp->f_mutex); + return ret; } static void @@ -1735,9 +1740,12 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) !sfp->res_in_use) { sfp->res_in_use = 1; sg_link_reserve(sfp, srp, dxfer_len); - } else if ((hp->flags & SG_FLAG_MMAP_IO) && sfp->res_in_use) { + } else if (hp->flags & SG_FLAG_MMAP_IO) { + res = -EBUSY; /* sfp->res_in_use == 1 */ + if (dxfer_len > rsv_schp->bufflen) + res = -ENOMEM; mutex_unlock(&sfp->f_mutex); - return -EBUSY; + return res; } else { res = sg_build_indirect(req_schp, sfp, dxfer_len); if (res) { diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index 80cfa93e407c..5ed696dc9bbd 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -192,20 +192,6 @@ static inline void init_hpc_chain(struct ip22_hostdata *hdata) hcp->desc.pnext = hdata->dma; } -static int sgiwd93_bus_reset(struct scsi_cmnd *cmd) -{ - /* FIXME perform bus-specific reset */ - - /* FIXME 2: kill this function, and let midlayer fallback - to the same result, calling wd33c93_host_reset() */ - - spin_lock_irq(cmd->device->host->host_lock); - wd33c93_host_reset(cmd); - spin_unlock_irq(cmd->device->host->host_lock); - - return SUCCESS; -} - /* * Kludge alert - the SCSI code calls the abort and reset method with int * arguments not with pointers. So this is going to blow up beautyfully @@ -217,7 +203,6 @@ static struct scsi_host_template sgiwd93_template = { .name = "SGI WD93", .queuecommand = wd33c93_queuecommand, .eh_abort_handler = wd33c93_abort, - .eh_bus_reset_handler = sgiwd93_bus_reset, .eh_host_reset_handler = wd33c93_host_reset, .can_queue = 16, .this_id = 7, diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index e164ffade38a..dc3a0542a2e8 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -688,6 +688,28 @@ struct pqi_config_table_heartbeat { __le32 heartbeat_counter; }; +union pqi_reset_register { + struct { + u32 reset_type : 3; + u32 reserved : 2; + u32 reset_action : 3; + u32 hold_in_pd1 : 1; + u32 reserved2 : 23; + } bits; + u32 all_bits; +}; + +#define PQI_RESET_ACTION_RESET 0x1 + +#define PQI_RESET_TYPE_NO_RESET 0x0 +#define PQI_RESET_TYPE_SOFT_RESET 0x1 +#define PQI_RESET_TYPE_FIRM_RESET 0x2 +#define PQI_RESET_TYPE_HARD_RESET 0x3 + +#define PQI_RESET_ACTION_COMPLETED 0x2 + +#define PQI_RESET_POLL_INTERVAL_MSECS 100 + #define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0) #define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32 #define PQI_MAX_TRANSFER_SIZE (1024U * 1024U) @@ -995,6 +1017,7 @@ struct pqi_ctrl_info { u8 inbound_spanning_supported : 1; u8 outbound_spanning_supported : 1; u8 pqi_mode_enabled : 1; + u8 pqi_reset_quiesce_supported : 1; struct list_head scsi_device_list; spinlock_t scsi_device_list_lock; @@ -1056,9 +1079,9 @@ enum pqi_ctrl_mode { #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66 #define BMIC_WRITE_HOST_WELLNESS 0xa5 -#define BMIC_CACHE_FLUSH 0xc2 +#define BMIC_FLUSH_CACHE 0xc2 -#define SA_CACHE_FLUSH 0x1 +#define SA_FLUSH_CACHE 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) #define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f) @@ -1164,6 +1187,23 @@ struct bmic_identify_physical_device { u8 padding_to_multiple_of_512[9]; }; +struct bmic_flush_cache { + u8 disable_flag; + u8 system_power_action; + u8 ndu_flush; + u8 shutdown_event; + u8 reserved[28]; +}; + +/* for shutdown_event member of struct bmic_flush_cache */ +enum bmic_flush_cache_shutdown_event { + NONE_CACHE_FLUSH_ONLY = 0, + SHUTDOWN = 1, + HIBERNATE = 2, + SUSPEND = 3, + RESTART = 4 +}; + #pragma pack() int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info); diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index cb8f886e705c..83bdbd84eb01 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -40,11 +40,11 @@ #define BUILD_TIMESTAMP #endif -#define DRIVER_VERSION "1.0.4-100" +#define DRIVER_VERSION "1.1.2-125" #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 0 -#define DRIVER_RELEASE 4 -#define DRIVER_REVISION 100 +#define DRIVER_MINOR 1 +#define DRIVER_RELEASE 2 +#define DRIVER_REVISION 125 #define DRIVER_NAME "Microsemi PQI Driver (v" \ DRIVER_VERSION BUILD_TIMESTAMP ")" @@ -431,10 +431,10 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, cdb[1] = CISS_GET_RAID_MAP; put_unaligned_be32(buffer_length, &cdb[6]); break; - case SA_CACHE_FLUSH: + case SA_FLUSH_CACHE: request->data_direction = SOP_WRITE_FLAG; cdb[0] = BMIC_WRITE; - cdb[6] = BMIC_CACHE_FLUSH; + cdb[6] = BMIC_FLUSH_CACHE; put_unaligned_be16(buffer_length, &cdb[7]); break; case BMIC_IDENTIFY_CONTROLLER: @@ -585,14 +585,13 @@ static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, return rc; } -#define SA_CACHE_FLUSH_BUFFER_LENGTH 4 - -static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) +static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, + enum bmic_flush_cache_shutdown_event shutdown_event) { int rc; struct pqi_raid_path_request request; int pci_direction; - u8 *buffer; + struct bmic_flush_cache *flush_cache; /* * Don't bother trying to flush the cache if the controller is @@ -601,13 +600,15 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) if (pqi_ctrl_offline(ctrl_info)) return -ENXIO; - buffer = kzalloc(SA_CACHE_FLUSH_BUFFER_LENGTH, GFP_KERNEL); - if (!buffer) + flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL); + if (!flush_cache) return -ENOMEM; + flush_cache->shutdown_event = shutdown_event; + rc = pqi_build_raid_path_request(ctrl_info, &request, - SA_CACHE_FLUSH, RAID_CTLR_LUNID, buffer, - SA_CACHE_FLUSH_BUFFER_LENGTH, 0, &pci_direction); + SA_FLUSH_CACHE, RAID_CTLR_LUNID, flush_cache, + sizeof(*flush_cache), 0, &pci_direction); if (rc) goto out; @@ -618,7 +619,7 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info) pci_direction); out: - kfree(buffer); + kfree(flush_cache); return rc; } @@ -3007,11 +3008,9 @@ static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info, break; case IRQ_MODE_INTX: pqi_configure_legacy_intx(ctrl_info, true); - sis_disable_msix(ctrl_info); sis_enable_intx(ctrl_info); break; case IRQ_MODE_NONE: - sis_disable_msix(ctrl_info); break; } break; @@ -3019,14 +3018,12 @@ static void pqi_change_irq_mode(struct pqi_ctrl_info *ctrl_info, switch (new_mode) { case IRQ_MODE_MSIX: pqi_configure_legacy_intx(ctrl_info, false); - sis_disable_intx(ctrl_info); sis_enable_msix(ctrl_info); break; case IRQ_MODE_INTX: break; case IRQ_MODE_NONE: pqi_configure_legacy_intx(ctrl_info, false); - sis_disable_intx(ctrl_info); break; } break; @@ -5498,6 +5495,7 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) case XFER_NONE: case XFER_WRITE: case XFER_READ: + case XFER_READ | XFER_WRITE: break; default: return -EINVAL; @@ -5538,6 +5536,9 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) case XFER_READ: request.data_direction = SOP_READ_FLAG; break; + case XFER_READ | XFER_WRITE: + request.data_direction = SOP_BIDIRECTIONAL; + break; } request.task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; @@ -5889,28 +5890,62 @@ static void pqi_unregister_scsi(struct pqi_ctrl_info *ctrl_info) scsi_host_put(shost); } -#define PQI_RESET_ACTION_RESET 0x1 +static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info) +{ + int rc = 0; + struct pqi_device_registers __iomem *pqi_registers; + unsigned long timeout; + unsigned int timeout_msecs; + union pqi_reset_register reset_reg; -#define PQI_RESET_TYPE_NO_RESET 0x0 -#define PQI_RESET_TYPE_SOFT_RESET 0x1 -#define PQI_RESET_TYPE_FIRM_RESET 0x2 -#define PQI_RESET_TYPE_HARD_RESET 0x3 + pqi_registers = ctrl_info->pqi_registers; + timeout_msecs = readw(&pqi_registers->max_reset_timeout) * 100; + timeout = msecs_to_jiffies(timeout_msecs) + jiffies; + + while (1) { + msleep(PQI_RESET_POLL_INTERVAL_MSECS); + reset_reg.all_bits = readl(&pqi_registers->device_reset); + if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED) + break; + pqi_check_ctrl_health(ctrl_info); + if (pqi_ctrl_offline(ctrl_info)) { + rc = -ENXIO; + break; + } + if (time_after(jiffies, timeout)) { + rc = -ETIMEDOUT; + break; + } + } + + return rc; +} static int pqi_reset(struct pqi_ctrl_info *ctrl_info) { int rc; - u32 reset_params; + union pqi_reset_register reset_reg; + + if (ctrl_info->pqi_reset_quiesce_supported) { + rc = sis_pqi_reset_quiesce(ctrl_info); + if (rc) { + dev_err(&ctrl_info->pci_dev->dev, + "PQI reset failed during quiesce with error %d\n", + rc); + return rc; + } + } - reset_params = (PQI_RESET_ACTION_RESET << 5) | - PQI_RESET_TYPE_HARD_RESET; + reset_reg.all_bits = 0; + reset_reg.bits.reset_type = PQI_RESET_TYPE_HARD_RESET; + reset_reg.bits.reset_action = PQI_RESET_ACTION_RESET; - writel(reset_params, - &ctrl_info->pqi_registers->device_reset); + writel(reset_reg.all_bits, &ctrl_info->pqi_registers->device_reset); - rc = pqi_wait_for_pqi_mode_ready(ctrl_info); + rc = pqi_wait_for_pqi_reset_completion(ctrl_info); if (rc) dev_err(&ctrl_info->pci_dev->dev, - "PQI reset failed\n"); + "PQI reset failed with error %d\n", rc); return rc; } @@ -6007,7 +6042,12 @@ static int pqi_revert_to_sis_mode(struct pqi_ctrl_info *ctrl_info) rc = pqi_reset(ctrl_info); if (rc) return rc; - sis_reenable_sis_mode(ctrl_info); + rc = sis_reenable_sis_mode(ctrl_info); + if (rc) { + dev_err(&ctrl_info->pci_dev->dev, + "re-enabling SIS mode failed with error %d\n", rc); + return rc; + } pqi_save_ctrl_mode(ctrl_info, SIS_MODE); return 0; @@ -6659,7 +6699,8 @@ static void pqi_shutdown(struct pci_dev *pci_dev) * Write all data in the controller's battery-backed cache to * storage. */ - rc = pqi_flush_cache(ctrl_info); + rc = pqi_flush_cache(ctrl_info, SHUTDOWN); + pqi_reset(ctrl_info); if (rc == 0) return; @@ -6703,7 +6744,7 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat pqi_cancel_rescan_worker(ctrl_info); pqi_wait_until_scan_finished(ctrl_info); pqi_wait_until_lun_reset_finished(ctrl_info); - pqi_flush_cache(ctrl_info); + pqi_flush_cache(ctrl_info, SUSPEND); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); pqi_wait_until_inbound_queues_empty(ctrl_info); @@ -6781,7 +6822,7 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_ADAPTEC2, 0x0605) + PCI_VENDOR_ID_ADAPTEC2, 0x0608) }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, @@ -6813,6 +6854,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x0807) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x0900) }, { @@ -6849,6 +6894,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x090a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1200) }, { @@ -6881,6 +6930,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_DELL, 0x1fe0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_HP, 0x0600) }, { @@ -6897,11 +6950,7 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x0604) - }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x0606) + PCI_VENDOR_ID_HP, 0x0609) }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, @@ -6929,14 +6978,6 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x0656) - }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x0657) - }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_HP, 0x0700) }, { @@ -6957,14 +6998,6 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x1102) - }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - PCI_VENDOR_ID_HP, 0x1150) - }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_ANY_ID, PCI_ANY_ID) }, { 0 } diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c index 0d89d3728b43..b209a35e482e 100644 --- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c +++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c @@ -329,14 +329,6 @@ static int pqi_sas_phy_speed(struct sas_phy *phy, return -EINVAL; } -/* SMP = Serial Management Protocol */ - -static int pqi_sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, - struct request *req) -{ - return -EINVAL; -} - struct sas_function_template pqi_sas_transport_functions = { .get_linkerrors = pqi_sas_get_linkerrors, .get_enclosure_identifier = pqi_sas_get_enclosure_identifier, @@ -346,5 +338,4 @@ struct sas_function_template pqi_sas_transport_functions = { .phy_setup = pqi_sas_phy_setup, .phy_release = pqi_sas_phy_release, .set_phy_speed = pqi_sas_phy_speed, - .smp_handler = pqi_sas_smp_handler, }; diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index e55dfcf200e5..5141bd4c9f06 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -34,11 +34,13 @@ #define SIS_REENABLE_SIS_MODE 0x1 #define SIS_ENABLE_MSIX 0x40 #define SIS_ENABLE_INTX 0x80 -#define SIS_SOFT_RESET 0x100 -#define SIS_TRIGGER_SHUTDOWN 0x800000 #define SIS_CMD_READY 0x200 +#define SIS_TRIGGER_SHUTDOWN 0x800000 +#define SIS_PQI_RESET_QUIESCE 0x1000000 + #define SIS_CMD_COMPLETE 0x1000 #define SIS_CLEAR_CTRL_TO_HOST_DOORBELL 0x1000 + #define SIS_CMD_STATUS_SUCCESS 0x1 #define SIS_CMD_COMPLETE_TIMEOUT_SECS 30 #define SIS_CMD_COMPLETE_POLL_INTERVAL_MSECS 10 @@ -47,6 +49,7 @@ #define SIS_EXTENDED_PROPERTIES_SUPPORTED 0x800000 #define SIS_SMARTARRAY_FEATURES_SUPPORTED 0x2 #define SIS_PQI_MODE_SUPPORTED 0x4 +#define SIS_PQI_RESET_QUIESCE_SUPPORTED 0x8 #define SIS_REQUIRED_EXTENDED_PROPERTIES \ (SIS_SMARTARRAY_FEATURES_SUPPORTED | SIS_PQI_MODE_SUPPORTED) @@ -258,6 +261,9 @@ int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info) SIS_REQUIRED_EXTENDED_PROPERTIES) return -ENODEV; + if (extended_properties & SIS_PQI_RESET_QUIESCE_SUPPORTED) + ctrl_info->pqi_reset_quiesce_supported = true; + return 0; } @@ -336,9 +342,10 @@ out: #define SIS_DOORBELL_BIT_CLEAR_TIMEOUT_SECS 30 -static void sis_wait_for_doorbell_bit_to_clear( +static int sis_wait_for_doorbell_bit_to_clear( struct pqi_ctrl_info *ctrl_info, u32 bit) { + int rc = 0; u32 doorbell_register; unsigned long timeout; @@ -350,78 +357,38 @@ static void sis_wait_for_doorbell_bit_to_clear( if ((doorbell_register & bit) == 0) break; if (readl(&ctrl_info->registers->sis_firmware_status) & - SIS_CTRL_KERNEL_PANIC) + SIS_CTRL_KERNEL_PANIC) { + rc = -ENODEV; break; + } if (time_after(jiffies, timeout)) { dev_err(&ctrl_info->pci_dev->dev, "doorbell register bit 0x%x not cleared\n", bit); + rc = -ETIMEDOUT; break; } usleep_range(1000, 2000); } -} - -/* Enable MSI-X interrupts on the controller. */ - -void sis_enable_msix(struct pqi_ctrl_info *ctrl_info) -{ - u32 doorbell_register; - - doorbell_register = - readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell); - doorbell_register |= SIS_ENABLE_MSIX; - - writel(doorbell_register, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); - sis_wait_for_doorbell_bit_to_clear(ctrl_info, SIS_ENABLE_MSIX); + return rc; } -/* Disable MSI-X interrupts on the controller. */ - -void sis_disable_msix(struct pqi_ctrl_info *ctrl_info) +static inline int sis_set_doorbell_bit(struct pqi_ctrl_info *ctrl_info, u32 bit) { - u32 doorbell_register; - - doorbell_register = - readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell); - doorbell_register &= ~SIS_ENABLE_MSIX; + writel(bit, &ctrl_info->registers->sis_host_to_ctrl_doorbell); - writel(doorbell_register, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); + return sis_wait_for_doorbell_bit_to_clear(ctrl_info, bit); } -void sis_enable_intx(struct pqi_ctrl_info *ctrl_info) +void sis_enable_msix(struct pqi_ctrl_info *ctrl_info) { - u32 doorbell_register; - - doorbell_register = - readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell); - doorbell_register |= SIS_ENABLE_INTX; - - writel(doorbell_register, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); - - sis_wait_for_doorbell_bit_to_clear(ctrl_info, SIS_ENABLE_INTX); + sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_MSIX); } -void sis_disable_intx(struct pqi_ctrl_info *ctrl_info) -{ - u32 doorbell_register; - - doorbell_register = - readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell); - doorbell_register &= ~SIS_ENABLE_INTX; - - writel(doorbell_register, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); -} - -void sis_soft_reset(struct pqi_ctrl_info *ctrl_info) +void sis_enable_intx(struct pqi_ctrl_info *ctrl_info) { - writel(SIS_SOFT_RESET, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); + sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX); } void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info) @@ -434,38 +401,14 @@ void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info) &ctrl_info->registers->sis_host_to_ctrl_doorbell); } -#define SIS_MODE_READY_TIMEOUT_SECS 30 +int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info) +{ + return sis_set_doorbell_bit(ctrl_info, SIS_PQI_RESET_QUIESCE); +} int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info) { - int rc; - unsigned long timeout; - struct pqi_ctrl_registers __iomem *registers; - u32 doorbell; - - registers = ctrl_info->registers; - - writel(SIS_REENABLE_SIS_MODE, - ®isters->sis_host_to_ctrl_doorbell); - - rc = 0; - timeout = (SIS_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; - - while (1) { - doorbell = readl(®isters->sis_ctrl_to_host_doorbell); - if ((doorbell & SIS_REENABLE_SIS_MODE) == 0) - break; - if (time_after(jiffies, timeout)) { - rc = -ETIMEDOUT; - break; - } - } - - if (rc) - dev_err(&ctrl_info->pci_dev->dev, - "re-enabling SIS mode failed\n"); - - return rc; + return sis_set_doorbell_bit(ctrl_info, SIS_REENABLE_SIS_MODE); } void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value) diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h index 983184b69373..2bf889dbf5ab 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.h +++ b/drivers/scsi/smartpqi/smartpqi_sis.h @@ -27,11 +27,9 @@ int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info); int sis_get_pqi_capabilities(struct pqi_ctrl_info *ctrl_info); int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info); void sis_enable_msix(struct pqi_ctrl_info *ctrl_info); -void sis_disable_msix(struct pqi_ctrl_info *ctrl_info); void sis_enable_intx(struct pqi_ctrl_info *ctrl_info); -void sis_disable_intx(struct pqi_ctrl_info *ctrl_info); -void sis_soft_reset(struct pqi_ctrl_info *ctrl_info); void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info); +int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info); int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info); void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value); u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index a8f630213a1a..9be34d37c356 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -393,7 +393,7 @@ static int sr_init_command(struct scsi_cmnd *SCpnt) ret = scsi_init_io(SCpnt); if (ret != BLKPREP_OK) goto out; - SCpnt = rq->special; + WARN_ON_ONCE(SCpnt != rq->special); cd = scsi_cd(rq->rq_disk); /* from here on until we're complete, any goto out diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 3cc8d67783a1..5e7200f05873 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1640,6 +1640,8 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) put_cpu(); if (ret == -EAGAIN) { + if (payload_sz > sizeof(cmd_request->mpb)) + kfree(payload); /* no more space */ return SCSI_MLQUEUE_DEVICE_BUSY; } diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index e64b0c542f95..9492638296c8 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -46,7 +46,7 @@ #define NCR5380_write(reg, value) out_8(hostdata->io + (reg), value) #define NCR5380_queue_command sun3scsi_queue_command -#define NCR5380_bus_reset sun3scsi_bus_reset +#define NCR5380_host_reset sun3scsi_host_reset #define NCR5380_abort sun3scsi_abort #define NCR5380_info sun3scsi_info @@ -495,7 +495,7 @@ static struct scsi_host_template sun3_scsi_template = { .info = sun3scsi_info, .queuecommand = sun3scsi_queue_command, .eh_abort_handler = sun3scsi_abort, - .eh_bus_reset_handler = sun3scsi_bus_reset, + .eh_host_reset_handler = sun3scsi_host_reset, .can_queue = 16, .this_id = 7, .sg_tablesize = SG_NONE, diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 6b349e301869..15ff285a9f8f 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -759,7 +759,7 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru /* * Maximum synchronous period factor supported by the chip. */ - period = (11 * div_10M[np->clock_divn - 1]) / (4 * np->clock_khz); + period = div64_ul(11 * div_10M[np->clock_divn - 1], 4 * np->clock_khz); np->maxsync = period > 2540 ? 254 : period / 10; /* diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 5bc9dc14e075..794a4600e952 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -438,7 +438,7 @@ static void ufshcd_print_host_state(struct ufs_hba *hba) { dev_err(hba->dev, "UFS Host state=%d\n", hba->ufshcd_state); dev_err(hba->dev, "lrb in use=0x%lx, outstanding reqs=0x%lx tasks=0x%lx\n", - hba->lrb_in_use, hba->outstanding_tasks, hba->outstanding_reqs); + hba->lrb_in_use, hba->outstanding_reqs, hba->outstanding_tasks); dev_err(hba->dev, "saved_err=0x%x, saved_uic_err=0x%x\n", hba->saved_err, hba->saved_uic_err); dev_err(hba->dev, "Device power mode=%d, UIC link state=%d\n", diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 9be211d68b15..7c28e8d4955a 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -818,7 +818,6 @@ static struct scsi_host_template virtscsi_host_template_single = { .eh_timed_out = virtscsi_eh_timed_out, .slave_alloc = virtscsi_device_alloc, - .can_queue = 1024, .dma_boundary = UINT_MAX, .use_clustering = ENABLE_CLUSTERING, .target_alloc = virtscsi_target_alloc, @@ -839,7 +838,6 @@ static struct scsi_host_template virtscsi_host_template_multi = { .eh_timed_out = virtscsi_eh_timed_out, .slave_alloc = virtscsi_device_alloc, - .can_queue = 1024, .dma_boundary = UINT_MAX, .use_clustering = ENABLE_CLUSTERING, .target_alloc = virtscsi_target_alloc, @@ -972,6 +970,8 @@ static int virtscsi_probe(struct virtio_device *vdev) if (err) goto virtscsi_init_failed; + shost->can_queue = virtqueue_get_vring_size(vscsi->req_vqs[0].vq); + cmd_per_lun = virtscsi_config_get(vdev, cmd_per_lun) ?: 1; shost->cmd_per_lun = min_t(u32, cmd_per_lun, shost->can_queue); shost->max_sectors = virtscsi_config_get(vdev, max_sectors) ?: 0xFFFF; diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index 9e09da412b92..74be04f2357c 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -1578,6 +1578,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt) int i; instance = SCpnt->device->host; + spin_lock_irq(instance->host_lock); hostdata = (struct WD33C93_hostdata *) instance->hostdata; printk("scsi%d: reset. ", instance->host_no); @@ -1603,6 +1604,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt) reset_wd33c93(instance); SCpnt->result = DID_RESET << 16; enable_irq(instance->irq); + spin_unlock_irq(instance->host_lock); return SUCCESS; } diff --git a/drivers/staging/rts5208/rtsx.c b/drivers/staging/rts5208/rtsx.c index 53748d61e20e..89e2cfe7d1cc 100644 --- a/drivers/staging/rts5208/rtsx.c +++ b/drivers/staging/rts5208/rtsx.c @@ -205,16 +205,6 @@ static int device_reset(struct scsi_cmnd *srb) return SUCCESS; } -/* Simulate a SCSI bus reset by resetting the device's USB port. */ -static int bus_reset(struct scsi_cmnd *srb) -{ - struct rtsx_dev *dev = host_to_rtsx(srb->device->host); - - dev_info(&dev->pci->dev, "%s called\n", __func__); - - return SUCCESS; -} - /* * this defines our host template, with which we'll allocate hosts */ @@ -231,7 +221,6 @@ static struct scsi_host_template rtsx_host_template = { /* error and abort handlers */ .eh_abort_handler = command_abort, .eh_device_reset_handler = device_reset, - .eh_bus_reset_handler = bus_reset, /* queue commands only, only one command per LUN */ .can_queue = 1, diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index 8567e447891e..419dba89af06 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -47,9 +47,8 @@ MODULE_DEVICE_TABLE(visorbus, visorhba_channel_types); MODULE_ALIAS("visorbus:" VISOR_VHBA_CHANNEL_GUID_STR); struct visordisk_info { + struct scsi_device *sdev; u32 valid; - /* Disk Path */ - u32 channel, id, lun; atomic_t ios_threshold; atomic_t error_count; struct visordisk_info *next; @@ -105,12 +104,6 @@ struct visorhba_devices_open { struct visorhba_devdata *devdata; }; -#define for_each_vdisk_match(iter, list, match) \ - for (iter = &list->head; iter->next; iter = iter->next) \ - if ((iter->channel == match->channel) && \ - (iter->id == match->id) && \ - (iter->lun == match->lun)) - /* * visor_thread_start - Starts a thread for the device * @threadfn: Function the thread starts @@ -313,10 +306,9 @@ static void cleanup_scsitaskmgmt_handles(struct idr *idrtable, * Return: Int representing whether command was queued successfully or not */ static int forward_taskmgmt_command(enum task_mgmt_types tasktype, - struct scsi_cmnd *scsicmd) + struct scsi_device *scsidev) { struct uiscmdrsp *cmdrsp; - struct scsi_device *scsidev = scsicmd->device; struct visorhba_devdata *devdata = (struct visorhba_devdata *)scsidev->host->hostdata; int notifyresult = 0xffff; @@ -364,12 +356,6 @@ static int forward_taskmgmt_command(enum task_mgmt_types tasktype, dev_dbg(&scsidev->sdev_gendev, "visorhba: taskmgmt type=%d success; result=0x%x\n", tasktype, notifyresult); - if (tasktype == TASK_MGMT_ABORT_TASK) - scsicmd->result = DID_ABORT << 16; - else - scsicmd->result = DID_RESET << 16; - - scsicmd->scsi_done(scsicmd); cleanup_scsitaskmgmt_handles(&devdata->idr, cmdrsp); return SUCCESS; @@ -392,17 +378,20 @@ static int visorhba_abort_handler(struct scsi_cmnd *scsicmd) /* issue TASK_MGMT_ABORT_TASK */ struct scsi_device *scsidev; struct visordisk_info *vdisk; - struct visorhba_devdata *devdata; + int rtn; scsidev = scsicmd->device; - devdata = (struct visorhba_devdata *)scsidev->host->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { - if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) - atomic_inc(&vdisk->error_count); - else - atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); + vdisk = scsidev->hostdata; + if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) + atomic_inc(&vdisk->error_count); + else + atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); + rtn = forward_taskmgmt_command(TASK_MGMT_ABORT_TASK, scsidev); + if (rtn == SUCCESS) { + scsicmd->result = DID_ABORT << 16; + scsicmd->scsi_done(scsicmd); } - return forward_taskmgmt_command(TASK_MGMT_ABORT_TASK, scsicmd); + return rtn; } /* @@ -416,17 +405,20 @@ static int visorhba_device_reset_handler(struct scsi_cmnd *scsicmd) /* issue TASK_MGMT_LUN_RESET */ struct scsi_device *scsidev; struct visordisk_info *vdisk; - struct visorhba_devdata *devdata; + int rtn; scsidev = scsicmd->device; - devdata = (struct visorhba_devdata *)scsidev->host->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { - if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) - atomic_inc(&vdisk->error_count); - else - atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); + vdisk = scsidev->hostdata; + if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) + atomic_inc(&vdisk->error_count); + else + atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); + rtn = forward_taskmgmt_command(TASK_MGMT_LUN_RESET, scsidev); + if (rtn == SUCCESS) { + scsicmd->result = DID_RESET << 16; + scsicmd->scsi_done(scsicmd); } - return forward_taskmgmt_command(TASK_MGMT_LUN_RESET, scsicmd); + return rtn; } /* @@ -440,17 +432,22 @@ static int visorhba_bus_reset_handler(struct scsi_cmnd *scsicmd) { struct scsi_device *scsidev; struct visordisk_info *vdisk; - struct visorhba_devdata *devdata; + int rtn; scsidev = scsicmd->device; - devdata = (struct visorhba_devdata *)scsidev->host->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { + shost_for_each_device(scsidev, scsidev->host) { + vdisk = scsidev->hostdata; if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) atomic_inc(&vdisk->error_count); else atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); } - return forward_taskmgmt_command(TASK_MGMT_BUS_RESET, scsicmd); + rtn = forward_taskmgmt_command(TASK_MGMT_BUS_RESET, scsidev); + if (rtn == SUCCESS) { + scsicmd->result = DID_RESET << 16; + scsicmd->scsi_done(scsicmd); + } + return rtn; } /* @@ -604,27 +601,24 @@ static int visorhba_slave_alloc(struct scsi_device *scsidev) * LLD can alloc any struct & do init if needed. */ struct visordisk_info *vdisk; - struct visordisk_info *tmpvdisk; struct visorhba_devdata *devdata; struct Scsi_Host *scsihost = (struct Scsi_Host *)scsidev->host; + /* already allocated return success */ + if (scsidev->hostdata) + return 0; + /* even though we errored, treat as success */ devdata = (struct visorhba_devdata *)scsihost->hostdata; if (!devdata) return 0; - /* already allocated return success */ - for_each_vdisk_match(vdisk, devdata, scsidev) - return 0; - - tmpvdisk = kzalloc(sizeof(*tmpvdisk), GFP_ATOMIC); - if (!tmpvdisk) + vdisk = kzalloc(sizeof(*vdisk), GFP_ATOMIC); + if (!vdisk) return -ENOMEM; - tmpvdisk->channel = scsidev->channel; - tmpvdisk->id = scsidev->id; - tmpvdisk->lun = scsidev->lun; - vdisk->next = tmpvdisk; + vdisk->sdev = scsidev; + scsidev->hostdata = vdisk; return 0; } @@ -637,17 +631,11 @@ static void visorhba_slave_destroy(struct scsi_device *scsidev) /* midlevel calls this after device has been quiesced and * before it is to be deleted. */ - struct visordisk_info *vdisk, *delvdisk; - struct visorhba_devdata *devdata; - struct Scsi_Host *scsihost = (struct Scsi_Host *)scsidev->host; + struct visordisk_info *vdisk; - devdata = (struct visorhba_devdata *)scsihost->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { - delvdisk = vdisk->next; - vdisk->next = delvdisk->next; - kfree(delvdisk); - return; - } + vdisk = scsidev->hostdata; + scsidev->hostdata = NULL; + kfree(vdisk); } static struct scsi_host_template visorhba_driver_template = { @@ -823,7 +811,6 @@ static int visorhba_serverdown(struct visorhba_devdata *devdata) static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp, struct scsi_cmnd *scsicmd) { - struct visorhba_devdata *devdata; struct visordisk_info *vdisk; struct scsi_device *scsidev; @@ -836,12 +823,10 @@ static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp, (cmdrsp->scsi.addlstat == ADDL_SEL_TIMEOUT)) return; /* Okay see what our error_count is here.... */ - devdata = (struct visorhba_devdata *)scsidev->host->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { - if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) { - atomic_inc(&vdisk->error_count); - atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); - } + vdisk = scsidev->hostdata; + if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) { + atomic_inc(&vdisk->error_count); + atomic_set(&vdisk->ios_threshold, IOS_ERROR_THRESHOLD); } } @@ -881,7 +866,6 @@ static void do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, char *this_page_orig; int bufind = 0; struct visordisk_info *vdisk; - struct visorhba_devdata *devdata; scsidev = scsicmd->device; if ((cmdrsp->scsi.cmnd[0] == INQUIRY) && @@ -918,13 +902,11 @@ static void do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, } kfree(buf); } else { - devdata = (struct visorhba_devdata *)scsidev->host->hostdata; - for_each_vdisk_match(vdisk, devdata, scsidev) { - if (atomic_read(&vdisk->ios_threshold) > 0) { - atomic_dec(&vdisk->ios_threshold); - if (atomic_read(&vdisk->ios_threshold) == 0) - atomic_set(&vdisk->error_count, 0); - } + vdisk = scsidev->hostdata; + if (atomic_read(&vdisk->ios_threshold) > 0) { + atomic_dec(&vdisk->ios_threshold); + if (atomic_read(&vdisk->ios_threshold) == 0) + atomic_set(&vdisk->error_count, 0); } } } diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 5ef014ba6ae8..cfb1e3bbd434 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -737,7 +737,7 @@ static int uas_eh_abort_handler(struct scsi_cmnd *cmnd) return FAILED; } -static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd) +static int uas_eh_device_reset_handler(struct scsi_cmnd *cmnd) { struct scsi_device *sdev = cmnd->device; struct uas_dev_info *devinfo = sdev->hostdata; @@ -848,7 +848,7 @@ static struct scsi_host_template uas_host_template = { .slave_alloc = uas_slave_alloc, .slave_configure = uas_slave_configure, .eh_abort_handler = uas_eh_abort_handler, - .eh_bus_reset_handler = uas_eh_bus_reset_handler, + .eh_device_reset_handler = uas_eh_device_reset_handler, .this_id = -1, .sg_tablesize = SG_NONE, .skip_settle_delay = 1, diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 9aaa177e8209..eb30f3e09a47 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -296,7 +296,6 @@ static inline int virtqueue_add(struct virtqueue *_vq, } #endif - BUG_ON(total_sg > vq->vring.num); BUG_ON(total_sg == 0); head = vq->free_head; @@ -305,8 +304,10 @@ static inline int virtqueue_add(struct virtqueue *_vq, * buffers, then go indirect. FIXME: tune this threshold */ if (vq->indirect && total_sg > 1 && vq->vq.num_free) desc = alloc_indirect(_vq, total_sg, gfp); - else + else { desc = NULL; + WARN_ON_ONCE(total_sg > vq->vring.num && !vq->indirect); + } if (desc) { /* Use a single buffer which doesn't continue */ |