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-rw-r--r--drivers/s390/block/dasd.c102
-rw-r--r--drivers/s390/block/dasd_int.h3
-rw-r--r--drivers/s390/block/dasd_proc.c21
-rw-r--r--drivers/s390/block/dcssblk.c15
-rw-r--r--drivers/s390/char/hmcdrv_ftp.c6
-rw-r--r--drivers/s390/char/hmcdrv_mod.c1
-rw-r--r--drivers/s390/char/sclp_early.c49
-rw-r--r--drivers/s390/char/tape_34xx.c12
-rw-r--r--drivers/s390/cio/cio.c2
-rw-r--r--drivers/s390/cio/idset.c20
-rw-r--r--drivers/s390/cio/idset.h2
-rw-r--r--drivers/s390/crypto/ap_bus.c144
-rw-r--r--drivers/s390/crypto/ap_bus.h1
-rw-r--r--drivers/s390/crypto/zcrypt_api.h1
-rw-r--r--drivers/s390/crypto/zcrypt_cex4.c33
-rw-r--r--drivers/tty/hvc/hvc_iucv.c31
16 files changed, 253 insertions, 190 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 4abf11965484..be34ef41b7c7 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -674,8 +674,9 @@ EXPORT_SYMBOL(dasd_enable_device);
unsigned int dasd_global_profile_level = DASD_PROFILE_OFF;
#ifdef CONFIG_DASD_PROFILE
-struct dasd_profile_info dasd_global_profile_data;
-static struct dentry *dasd_global_profile_dentry;
+struct dasd_profile dasd_global_profile = {
+ .lock = __SPIN_LOCK_UNLOCKED(dasd_global_profile.lock),
+};
static struct dentry *dasd_debugfs_global_entry;
/*
@@ -696,11 +697,13 @@ static void dasd_profile_start(struct dasd_block *block,
if (++counter >= 31)
break;
- if (dasd_global_profile_level) {
- dasd_global_profile_data.dasd_io_nr_req[counter]++;
+ spin_lock(&dasd_global_profile.lock);
+ if (dasd_global_profile.data) {
+ dasd_global_profile.data->dasd_io_nr_req[counter]++;
if (rq_data_dir(req) == READ)
- dasd_global_profile_data.dasd_read_nr_req[counter]++;
+ dasd_global_profile.data->dasd_read_nr_req[counter]++;
}
+ spin_unlock(&dasd_global_profile.lock);
spin_lock(&block->profile.lock);
if (block->profile.data) {
@@ -825,8 +828,9 @@ static void dasd_profile_end(struct dasd_block *block,
dasd_profile_counter(irqtime / sectors, irqtimeps_ind);
dasd_profile_counter(endtime, endtime_ind);
- if (dasd_global_profile_level) {
- dasd_profile_end_add_data(&dasd_global_profile_data,
+ spin_lock(&dasd_global_profile.lock);
+ if (dasd_global_profile.data) {
+ dasd_profile_end_add_data(dasd_global_profile.data,
cqr->startdev != block->base,
cqr->cpmode == 1,
rq_data_dir(req) == READ,
@@ -835,6 +839,7 @@ static void dasd_profile_end(struct dasd_block *block,
irqtime_ind, irqtimeps_ind,
endtime_ind);
}
+ spin_unlock(&dasd_global_profile.lock);
spin_lock(&block->profile.lock);
if (block->profile.data)
@@ -876,12 +881,6 @@ void dasd_profile_reset(struct dasd_profile *profile)
spin_unlock_bh(&profile->lock);
}
-void dasd_global_profile_reset(void)
-{
- memset(&dasd_global_profile_data, 0, sizeof(dasd_global_profile_data));
- getnstimeofday(&dasd_global_profile_data.starttod);
-}
-
int dasd_profile_on(struct dasd_profile *profile)
{
struct dasd_profile_info *data;
@@ -949,12 +948,20 @@ static ssize_t dasd_stats_write(struct file *file,
dasd_profile_reset(prof);
} else if (strncmp(str, "on", 2) == 0) {
rc = dasd_profile_on(prof);
- if (!rc)
- rc = user_len;
+ if (rc)
+ goto out;
+ rc = user_len;
+ if (prof == &dasd_global_profile) {
+ dasd_profile_reset(prof);
+ dasd_global_profile_level = DASD_PROFILE_GLOBAL_ONLY;
+ }
} else if (strncmp(str, "off", 3) == 0) {
+ if (prof == &dasd_global_profile)
+ dasd_global_profile_level = DASD_PROFILE_OFF;
dasd_profile_off(prof);
} else
rc = -EINVAL;
+out:
vfree(buffer);
return rc;
}
@@ -1044,57 +1051,6 @@ static const struct file_operations dasd_stats_raw_fops = {
.write = dasd_stats_write,
};
-static ssize_t dasd_stats_global_write(struct file *file,
- const char __user *user_buf,
- size_t user_len, loff_t *pos)
-{
- char *buffer, *str;
- ssize_t rc;
-
- if (user_len > 65536)
- user_len = 65536;
- buffer = dasd_get_user_string(user_buf, user_len);
- if (IS_ERR(buffer))
- return PTR_ERR(buffer);
- str = skip_spaces(buffer);
- rc = user_len;
- if (strncmp(str, "reset", 5) == 0) {
- dasd_global_profile_reset();
- } else if (strncmp(str, "on", 2) == 0) {
- dasd_global_profile_reset();
- dasd_global_profile_level = DASD_PROFILE_GLOBAL_ONLY;
- } else if (strncmp(str, "off", 3) == 0) {
- dasd_global_profile_level = DASD_PROFILE_OFF;
- } else
- rc = -EINVAL;
- vfree(buffer);
- return rc;
-}
-
-static int dasd_stats_global_show(struct seq_file *m, void *v)
-{
- if (!dasd_global_profile_level) {
- seq_puts(m, "disabled\n");
- return 0;
- }
- dasd_stats_seq_print(m, &dasd_global_profile_data);
- return 0;
-}
-
-static int dasd_stats_global_open(struct inode *inode, struct file *file)
-{
- return single_open(file, dasd_stats_global_show, NULL);
-}
-
-static const struct file_operations dasd_stats_global_fops = {
- .owner = THIS_MODULE,
- .open = dasd_stats_global_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = dasd_stats_global_write,
-};
-
static void dasd_profile_init(struct dasd_profile *profile,
struct dentry *base_dentry)
{
@@ -1123,20 +1079,16 @@ static void dasd_profile_exit(struct dasd_profile *profile)
static void dasd_statistics_removeroot(void)
{
dasd_global_profile_level = DASD_PROFILE_OFF;
- debugfs_remove(dasd_global_profile_dentry);
- dasd_global_profile_dentry = NULL;
+ dasd_profile_exit(&dasd_global_profile);
debugfs_remove(dasd_debugfs_global_entry);
debugfs_remove(dasd_debugfs_root_entry);
}
static void dasd_statistics_createroot(void)
{
- umode_t mode;
struct dentry *pde;
dasd_debugfs_root_entry = NULL;
- dasd_debugfs_global_entry = NULL;
- dasd_global_profile_dentry = NULL;
pde = debugfs_create_dir("dasd", NULL);
if (!pde || IS_ERR(pde))
goto error;
@@ -1145,13 +1097,7 @@ static void dasd_statistics_createroot(void)
if (!pde || IS_ERR(pde))
goto error;
dasd_debugfs_global_entry = pde;
-
- mode = (S_IRUSR | S_IWUSR | S_IFREG);
- pde = debugfs_create_file("statistics", mode, dasd_debugfs_global_entry,
- NULL, &dasd_stats_global_fops);
- if (!pde || IS_ERR(pde))
- goto error;
- dasd_global_profile_dentry = pde;
+ dasd_profile_init(&dasd_global_profile, dasd_debugfs_global_entry);
return;
error:
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 8b5d4100abf7..227e3dea3155 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -651,7 +651,7 @@ dasd_check_blocksize(int bsize)
#define DASD_PROFILE_GLOBAL_ONLY 2
extern debug_info_t *dasd_debug_area;
-extern struct dasd_profile_info dasd_global_profile_data;
+extern struct dasd_profile dasd_global_profile;
extern unsigned int dasd_global_profile_level;
extern const struct block_device_operations dasd_device_operations;
@@ -728,7 +728,6 @@ int dasd_device_is_ro(struct dasd_device *);
void dasd_profile_reset(struct dasd_profile *);
int dasd_profile_on(struct dasd_profile *);
void dasd_profile_off(struct dasd_profile *);
-void dasd_global_profile_reset(void);
char *dasd_get_user_string(const char __user *, size_t);
/* externals in dasd_devmap.c */
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 78ac905a5b7f..aa7bb2d1da81 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -212,14 +212,15 @@ static int dasd_stats_proc_show(struct seq_file *m, void *v)
struct dasd_profile_info *prof;
int factor;
- /* check for active profiling */
- if (!dasd_global_profile_level) {
+ spin_lock_bh(&dasd_global_profile.lock);
+ prof = dasd_global_profile.data;
+ if (!prof) {
+ spin_unlock_bh(&dasd_global_profile.lock);
seq_printf(m, "Statistics are off - they might be "
"switched on using 'echo set on > "
"/proc/dasd/statistics'\n");
return 0;
}
- prof = &dasd_global_profile_data;
/* prevent counter 'overflow' on output */
for (factor = 1; (prof->dasd_io_reqs / factor) > 9999999;
@@ -255,6 +256,7 @@ static int dasd_stats_proc_show(struct seq_file *m, void *v)
dasd_statistics_array(m, prof->dasd_io_time3, factor);
seq_printf(m, "# of req in chanq at enqueuing (1..32) \n");
dasd_statistics_array(m, prof->dasd_io_nr_req, factor);
+ spin_unlock_bh(&dasd_global_profile.lock);
#else
seq_printf(m, "Statistics are not activated in this kernel\n");
#endif
@@ -291,14 +293,19 @@ static ssize_t dasd_stats_proc_write(struct file *file,
dasd_stats_all_block_off();
goto out_error;
}
- dasd_global_profile_reset();
+ rc = dasd_profile_on(&dasd_global_profile);
+ if (rc) {
+ dasd_stats_all_block_off();
+ goto out_error;
+ }
+ dasd_profile_reset(&dasd_global_profile);
dasd_global_profile_level = DASD_PROFILE_ON;
pr_info("The statistics feature has been switched "
"on\n");
} else if (strcmp(str, "off") == 0) {
- /* switch off and reset statistics profiling */
+ /* switch off statistics profiling */
dasd_global_profile_level = DASD_PROFILE_OFF;
- dasd_global_profile_reset();
+ dasd_profile_off(&dasd_global_profile);
dasd_stats_all_block_off();
pr_info("The statistics feature has been switched "
"off\n");
@@ -306,7 +313,7 @@ static ssize_t dasd_stats_proc_write(struct file *file,
goto out_parse_error;
} else if (strncmp(str, "reset", 5) == 0) {
/* reset the statistics */
- dasd_global_profile_reset();
+ dasd_profile_reset(&dasd_global_profile);
dasd_stats_all_block_reset();
pr_info("The statistics have been reset\n");
} else
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index b550c8c8d010..7f900229404d 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -438,7 +438,13 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
pr_info("All DCSSs that map to device %s are "
"saved\n", dev_info->segment_name);
list_for_each_entry(entry, &dev_info->seg_list, lh) {
- segment_save(entry->segment_name);
+ if (entry->segment_type == SEG_TYPE_EN ||
+ entry->segment_type == SEG_TYPE_SN)
+ pr_warn("DCSS %s is of type SN or EN"
+ " and cannot be saved\n",
+ entry->segment_name);
+ else
+ segment_save(entry->segment_name);
}
} else {
// device is busy => we save it when it becomes
@@ -797,7 +803,12 @@ dcssblk_release(struct gendisk *disk, fmode_t mode)
pr_info("Device %s has become idle and is being saved "
"now\n", dev_info->segment_name);
list_for_each_entry(entry, &dev_info->seg_list, lh) {
- segment_save(entry->segment_name);
+ if (entry->segment_type == SEG_TYPE_EN ||
+ entry->segment_type == SEG_TYPE_SN)
+ pr_warn("DCSS %s is of type SN or EN and cannot"
+ " be saved\n", entry->segment_name);
+ else
+ segment_save(entry->segment_name);
}
dev_info->save_pending = 0;
}
diff --git a/drivers/s390/char/hmcdrv_ftp.c b/drivers/s390/char/hmcdrv_ftp.c
index 4bd63322fc29..d4b61d9088fb 100644
--- a/drivers/s390/char/hmcdrv_ftp.c
+++ b/drivers/s390/char/hmcdrv_ftp.c
@@ -200,10 +200,9 @@ int hmcdrv_ftp_probe(void)
rc = hmcdrv_ftp_startup();
if (rc)
- return rc;
+ goto out;
rc = hmcdrv_ftp_do(&ftp);
- free_page((unsigned long) ftp.buf);
hmcdrv_ftp_shutdown();
switch (rc) {
@@ -216,7 +215,8 @@ int hmcdrv_ftp_probe(void)
rc = 0; /* clear length (success) */
break;
} /* switch */
-
+out:
+ free_page((unsigned long) ftp.buf);
return rc;
}
EXPORT_SYMBOL(hmcdrv_ftp_probe);
diff --git a/drivers/s390/char/hmcdrv_mod.c b/drivers/s390/char/hmcdrv_mod.c
index 505c6a78ee1a..251a318a9b75 100644
--- a/drivers/s390/char/hmcdrv_mod.c
+++ b/drivers/s390/char/hmcdrv_mod.c
@@ -11,7 +11,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/version.h>
#include <linux/stat.h>
#include "hmcdrv_ftp.h"
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 5bd6cb145a87..daf6cd5079ec 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -20,26 +20,31 @@ struct read_info_sccb {
struct sccb_header header; /* 0-7 */
u16 rnmax; /* 8-9 */
u8 rnsize; /* 10 */
- u8 _reserved0[16 - 11]; /* 11-15 */
+ u8 _pad_11[16 - 11]; /* 11-15 */
u16 ncpurl; /* 16-17 */
u16 cpuoff; /* 18-19 */
- u8 _reserved7[24 - 20]; /* 20-23 */
+ u8 _pad_20[24 - 20]; /* 20-23 */
u8 loadparm[8]; /* 24-31 */
- u8 _reserved1[48 - 32]; /* 32-47 */
+ u8 _pad_32[42 - 32]; /* 32-41 */
+ u8 fac42; /* 42 */
+ u8 fac43; /* 43 */
+ u8 _pad_44[48 - 44]; /* 44-47 */
u64 facilities; /* 48-55 */
- u8 _reserved2a[76 - 56]; /* 56-75 */
+ u8 _pad_56[66 - 56]; /* 56-65 */
+ u8 fac66; /* 66 */
+ u8 _pad_67[76 - 67]; /* 67-83 */
u32 ibc; /* 76-79 */
- u8 _reserved2b[84 - 80]; /* 80-83 */
+ u8 _pad80[84 - 80]; /* 80-83 */
u8 fac84; /* 84 */
u8 fac85; /* 85 */
- u8 _reserved3[91 - 86]; /* 86-90 */
+ u8 _pad_86[91 - 86]; /* 86-90 */
u8 flags; /* 91 */
- u8 _reserved4[100 - 92]; /* 92-99 */
+ u8 _pad_92[100 - 92]; /* 92-99 */
u32 rnsize2; /* 100-103 */
u64 rnmax2; /* 104-111 */
- u8 _reserved5[120 - 112]; /* 112-119 */
+ u8 _pad_112[120 - 112]; /* 112-119 */
u16 hcpua; /* 120-121 */
- u8 _reserved6[4096 - 122]; /* 122-4095 */
+ u8 _pad_122[4096 - 122]; /* 122-4095 */
} __packed __aligned(PAGE_SIZE);
static char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE) __initdata;
@@ -50,6 +55,10 @@ static unsigned int sclp_max_cpu;
static struct sclp_ipl_info sclp_ipl_info;
static unsigned char sclp_siif;
static u32 sclp_ibc;
+static unsigned int sclp_mtid;
+static unsigned int sclp_mtid_cp;
+static unsigned int sclp_mtid_max;
+static unsigned int sclp_mtid_prev;
u64 sclp_facilities;
u8 sclp_fac84;
@@ -128,7 +137,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
boot_cpu_address = stap();
cpue = (void *)sccb + sccb->cpuoff;
for (cpu = 0; cpu < sccb->ncpurl; cpue++, cpu++) {
- if (boot_cpu_address != cpue->address)
+ if (boot_cpu_address != cpue->core_id)
continue;
sclp_siif = cpue->siif;
break;
@@ -139,6 +148,11 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
if (sccb->flags & 0x2)
sclp_ipl_info.has_dump = 1;
memcpy(&sclp_ipl_info.loadparm, &sccb->loadparm, LOADPARM_LEN);
+
+ sclp_mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
+ sclp_mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
+ sclp_mtid_max = max(sclp_mtid, sclp_mtid_cp);
+ sclp_mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
}
bool __init sclp_has_linemode(void)
@@ -178,6 +192,21 @@ unsigned int sclp_get_ibc(void)
}
EXPORT_SYMBOL(sclp_get_ibc);
+unsigned int sclp_get_mtid(u8 cpu_type)
+{
+ return cpu_type ? sclp_mtid : sclp_mtid_cp;
+}
+
+unsigned int sclp_get_mtid_max(void)
+{
+ return sclp_mtid_max;
+}
+
+unsigned int sclp_get_mtid_prev(void)
+{
+ return sclp_mtid_prev;
+}
+
/*
* This function will be called after sclp_facilities_detect(), which gets
* called from early.c code. The sclp_facilities_detect() function retrieves
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 9aa79702b370..de69f0ddc321 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -773,13 +773,11 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
"occurred\n");
return tape_34xx_erp_failed(request, -EIO);
case 0x57:
- if (device->cdev->id.driver_info == tape_3480) {
- /* Attention intercept. */
- return tape_34xx_erp_retry(request);
- } else {
- /* Global status intercept. */
- return tape_34xx_erp_retry(request);
- }
+ /*
+ * 3480: Attention intercept.
+ * 3490: Global status intercept.
+ */
+ return tape_34xx_erp_retry(request);
case 0x5a:
/*
* Tape length incompatible. The tape inserted is too long,
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 10eb738fc81a..3578105989a0 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -938,7 +938,7 @@ void reipl_ccw_dev(struct ccw_dev_id *devid)
{
struct subchannel_id uninitialized_var(schid);
- s390_reset_system(NULL, NULL);
+ s390_reset_system(NULL, NULL, NULL);
if (reipl_find_schid(devid, &schid) != 0)
panic("IPL Device not found\n");
do_reipl_asm(*((__u32*)&schid));
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index 5a999084a229..b3e06a7b9480 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -38,11 +38,6 @@ void idset_free(struct idset *set)
vfree(set);
}
-void idset_clear(struct idset *set)
-{
- memset(set->bitmap, 0, bitmap_size(set->num_ssid, set->num_id));
-}
-
void idset_fill(struct idset *set)
{
memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id));
@@ -103,21 +98,6 @@ int idset_sch_contains(struct idset *set, struct subchannel_id schid)
return idset_contains(set, schid.ssid, schid.sch_no);
}
-int idset_sch_get_first(struct idset *set, struct subchannel_id *schid)
-{
- int ssid = 0;
- int id = 0;
- int rc;
-
- rc = idset_get_first(set, &ssid, &id);
- if (rc) {
- init_subchannel_id(schid);
- schid->ssid = ssid;
- schid->sch_no = id;
- }
- return rc;
-}
-
int idset_is_empty(struct idset *set)
{
return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 06d3bc01bb09..22b58104683b 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -11,7 +11,6 @@
struct idset;
void idset_free(struct idset *set);
-void idset_clear(struct idset *set);
void idset_fill(struct idset *set);
struct idset *idset_sch_new(void);
@@ -19,7 +18,6 @@ void idset_sch_add(struct idset *set, struct subchannel_id id);
void idset_sch_del(struct idset *set, struct subchannel_id id);
void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid);
int idset_sch_contains(struct idset *set, struct subchannel_id id);
-int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
int idset_is_empty(struct idset *set);
void idset_add_set(struct idset *to, struct idset *from);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 4d41bf75c233..3d7f19fb9a4e 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -204,6 +204,24 @@ ap_test_queue(ap_qid_t qid, int *queue_depth, int *device_type)
}
/**
+ * ap_query_facilities(): PQAP(TAPQ) query facilities.
+ * @qid: The AP queue number
+ *
+ * Returns content of general register 2 after the PQAP(TAPQ)
+ * instruction was called.
+ */
+static inline unsigned long ap_query_facilities(ap_qid_t qid)
+{
+ register unsigned long reg0 asm ("0") = qid | 0x00800000UL;
+ register unsigned long reg1 asm ("1");
+ register unsigned long reg2 asm ("2") = 0UL;
+
+ asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */
+ : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc");
+ return reg2;
+}
+
+/**
* ap_reset_queue(): Reset adjunct processor queue.
* @qid: The AP queue number
*
@@ -1007,6 +1025,51 @@ void ap_bus_force_rescan(void)
EXPORT_SYMBOL(ap_bus_force_rescan);
/*
+ * ap_test_config(): helper function to extract the nrth bit
+ * within the unsigned int array field.
+ */
+static inline int ap_test_config(unsigned int *field, unsigned int nr)
+{
+ if (nr > 0xFFu)
+ return 0;
+ return ap_test_bit((field + (nr >> 5)), (nr & 0x1f));
+}
+
+/*
+ * ap_test_config_card_id(): Test, whether an AP card ID is configured.
+ * @id AP card ID
+ *
+ * Returns 0 if the card is not configured
+ * 1 if the card is configured or
+ * if the configuration information is not available
+ */
+static inline int ap_test_config_card_id(unsigned int id)
+{
+ if (!ap_configuration)
+ return 1;
+ return ap_test_config(ap_configuration->apm, id);
+}
+
+/*
+ * ap_test_config_domain(): Test, whether an AP usage domain is configured.
+ * @domain AP usage domain ID
+ *
+ * Returns 0 if the usage domain is not configured
+ * 1 if the usage domain is configured or
+ * if the configuration information is not available
+ */
+static inline int ap_test_config_domain(unsigned int domain)
+{
+ if (!ap_configuration) /* QCI not supported */
+ if (domain < 16)
+ return 1; /* then domains 0...15 are configured */
+ else
+ return 0;
+ else
+ return ap_test_config(ap_configuration->aqm, domain);
+}
+
+/*
* AP bus attributes.
*/
static ssize_t ap_domain_show(struct bus_type *bus, char *buf)
@@ -1121,6 +1184,42 @@ static ssize_t poll_timeout_store(struct bus_type *bus, const char *buf,
static BUS_ATTR(poll_timeout, 0644, poll_timeout_show, poll_timeout_store);
+static ssize_t ap_max_domain_id_show(struct bus_type *bus, char *buf)
+{
+ ap_qid_t qid;
+ int i, nd, max_domain_id = -1;
+ unsigned long fbits;
+
+ if (ap_configuration) {
+ if (ap_domain_index >= 0 && ap_domain_index < AP_DOMAINS) {
+ for (i = 0; i < AP_DEVICES; i++) {
+ if (!ap_test_config_card_id(i))
+ continue;
+ qid = AP_MKQID(i, ap_domain_index);
+ fbits = ap_query_facilities(qid);
+ if (fbits & (1UL << 57)) {
+ /* the N bit is 0, Nd field is filled */
+ nd = (int)((fbits & 0x00FF0000UL)>>16);
+ if (nd > 0)
+ max_domain_id = nd;
+ else
+ max_domain_id = 15;
+ } else {
+ /* N bit is 1, max 16 domains */
+ max_domain_id = 15;
+ }
+ break;
+ }
+ }
+ } else {
+ /* no APXA support, older machines with max 16 domains */
+ max_domain_id = 15;
+ }
+ return snprintf(buf, PAGE_SIZE, "%d\n", max_domain_id);
+}
+
+static BUS_ATTR(ap_max_domain_id, 0444, ap_max_domain_id_show, NULL);
+
static struct bus_attribute *const ap_bus_attrs[] = {
&bus_attr_ap_domain,
&bus_attr_ap_control_domain_mask,
@@ -1128,50 +1227,10 @@ static struct bus_attribute *const ap_bus_attrs[] = {
&bus_attr_poll_thread,
&bus_attr_ap_interrupts,
&bus_attr_poll_timeout,
+ &bus_attr_ap_max_domain_id,
NULL,
};
-static inline int ap_test_config(unsigned int *field, unsigned int nr)
-{
- if (nr > 0xFFu)
- return 0;
- return ap_test_bit((field + (nr >> 5)), (nr & 0x1f));
-}
-
-/*
- * ap_test_config_card_id(): Test, whether an AP card ID is configured.
- * @id AP card ID
- *
- * Returns 0 if the card is not configured
- * 1 if the card is configured or
- * if the configuration information is not available
- */
-static inline int ap_test_config_card_id(unsigned int id)
-{
- if (!ap_configuration)
- return 1;
- return ap_test_config(ap_configuration->apm, id);
-}
-
-/*
- * ap_test_config_domain(): Test, whether an AP usage domain is configured.
- * @domain AP usage domain ID
- *
- * Returns 0 if the usage domain is not configured
- * 1 if the usage domain is configured or
- * if the configuration information is not available
- */
-static inline int ap_test_config_domain(unsigned int domain)
-{
- if (!ap_configuration) /* QCI not supported */
- if (domain < 16)
- return 1; /* then domains 0...15 are configured */
- else
- return 0;
- else
- return ap_test_config(ap_configuration->aqm, domain);
-}
-
/**
* ap_query_configuration(): Query AP configuration information.
*
@@ -1434,9 +1493,6 @@ static void ap_scan_bus(struct work_struct *unused)
continue;
}
break;
- case 11:
- ap_dev->device_type = 10;
- break;
default:
ap_dev->device_type = device_type;
}
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 055a0f956d17..2737d261a324 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -117,6 +117,7 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
#define AP_DEVICE_TYPE_CEX3A 8
#define AP_DEVICE_TYPE_CEX3C 9
#define AP_DEVICE_TYPE_CEX4 10
+#define AP_DEVICE_TYPE_CEX5 11
/*
* Known function facilities
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index b3d496bfaa7e..750876891931 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -75,6 +75,7 @@ struct ica_z90_status {
#define ZCRYPT_CEX3C 7
#define ZCRYPT_CEX3A 8
#define ZCRYPT_CEX4 10
+#define ZCRYPT_CEX5 11
/**
* Large random numbers are pulled in 4096 byte chunks from the crypto cards
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 569f8b1d86c0..71e698b85772 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -26,6 +26,10 @@
#define CEX4A_SPEED_RATING 900 /* TODO new card, new speed rating */
#define CEX4C_SPEED_RATING 6500 /* TODO new card, new speed rating */
+#define CEX4P_SPEED_RATING 7000 /* TODO new card, new speed rating */
+#define CEX5A_SPEED_RATING 450 /* TODO new card, new speed rating */
+#define CEX5C_SPEED_RATING 3250 /* TODO new card, new speed rating */
+#define CEX5P_SPEED_RATING 3500 /* TODO new card, new speed rating */
#define CEX4A_MAX_MESSAGE_SIZE MSGTYPE50_CRB3_MAX_MSG_SIZE
#define CEX4C_MAX_MESSAGE_SIZE MSGTYPE06_MAX_MSG_SIZE
@@ -39,6 +43,7 @@
static struct ap_device_id zcrypt_cex4_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_CEX4) },
+ { AP_DEVICE(AP_DEVICE_TYPE_CEX5) },
{ /* end of list */ },
};
@@ -70,11 +75,18 @@ static int zcrypt_cex4_probe(struct ap_device *ap_dev)
switch (ap_dev->device_type) {
case AP_DEVICE_TYPE_CEX4:
+ case AP_DEVICE_TYPE_CEX5:
if (ap_test_bit(&ap_dev->functions, AP_FUNC_ACCEL)) {
zdev = zcrypt_device_alloc(CEX4A_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4A";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4A";
+ zdev->speed_rating = CEX4A_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5A";
+ zdev->speed_rating = CEX5A_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX3A;
zdev->min_mod_size = CEX4A_MIN_MOD_SIZE;
if (ap_test_bit(&ap_dev->functions, AP_FUNC_MEX4K) &&
@@ -90,33 +102,42 @@ static int zcrypt_cex4_probe(struct ap_device *ap_dev)
CEX4A_MAX_MOD_SIZE_2K;
}
zdev->short_crt = 1;
- zdev->speed_rating = CEX4A_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE50_NAME,
MSGTYPE50_VARIANT_DEFAULT);
} else if (ap_test_bit(&ap_dev->functions, AP_FUNC_COPRO)) {
zdev = zcrypt_device_alloc(CEX4C_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4C";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4C";
+ zdev->speed_rating = CEX4C_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5C";
+ zdev->speed_rating = CEX5C_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX3C;
zdev->min_mod_size = CEX4C_MIN_MOD_SIZE;
zdev->max_mod_size = CEX4C_MAX_MOD_SIZE;
zdev->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
zdev->short_crt = 0;
- zdev->speed_rating = CEX4C_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_DEFAULT);
} else if (ap_test_bit(&ap_dev->functions, AP_FUNC_EP11)) {
zdev = zcrypt_device_alloc(CEX4C_MAX_MESSAGE_SIZE);
if (!zdev)
return -ENOMEM;
- zdev->type_string = "CEX4P";
+ if (ap_dev->device_type == AP_DEVICE_TYPE_CEX4) {
+ zdev->type_string = "CEX4P";
+ zdev->speed_rating = CEX4P_SPEED_RATING;
+ } else {
+ zdev->type_string = "CEX5P";
+ zdev->speed_rating = CEX5P_SPEED_RATING;
+ }
zdev->user_space_type = ZCRYPT_CEX4;
zdev->min_mod_size = CEX4C_MIN_MOD_SIZE;
zdev->max_mod_size = CEX4C_MAX_MOD_SIZE;
zdev->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
zdev->short_crt = 0;
- zdev->speed_rating = CEX4C_SPEED_RATING;
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_EP11);
}
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index ea74460f3638..f78a87b07872 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -1,10 +1,10 @@
/*
- * hvc_iucv.c - z/VM IUCV hypervisor console (HVC) device driver
+ * z/VM IUCV hypervisor console (HVC) device driver
*
* This HVC device driver provides terminal access using
* z/VM IUCV communication paths.
*
- * Copyright IBM Corp. 2008, 2009
+ * Copyright IBM Corp. 2008, 2013
*
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
@@ -102,6 +102,7 @@ static struct hvc_iucv_private *hvc_iucv_table[MAX_HVC_IUCV_LINES];
#define IUCV_HVC_CON_IDX (0)
/* List of z/VM user ID filter entries (struct iucv_vmid_filter) */
#define MAX_VMID_FILTER (500)
+#define FILTER_WILDCARD_CHAR '*'
static size_t hvc_iucv_filter_size;
static void *hvc_iucv_filter;
static const char *hvc_iucv_filter_string;
@@ -734,20 +735,31 @@ static void hvc_iucv_notifier_del(struct hvc_struct *hp, int id)
* hvc_iucv_filter_connreq() - Filter connection request based on z/VM user ID
* @ipvmid: Originating z/VM user ID (right padded with blanks)
*
- * Returns 0 if the z/VM user ID @ipvmid is allowed to connection, otherwise
- * non-zero.
+ * Returns 0 if the z/VM user ID that is specified with @ipvmid is permitted to
+ * connect, otherwise non-zero.
*/
static int hvc_iucv_filter_connreq(u8 ipvmid[8])
{
- size_t i;
+ const char *wildcard, *filter_entry;
+ size_t i, len;
/* Note: default policy is ACCEPT if no filter is set */
if (!hvc_iucv_filter_size)
return 0;
- for (i = 0; i < hvc_iucv_filter_size; i++)
- if (0 == memcmp(ipvmid, hvc_iucv_filter + (8 * i), 8))
+ for (i = 0; i < hvc_iucv_filter_size; i++) {
+ filter_entry = hvc_iucv_filter + (8 * i);
+
+ /* If a filter entry contains the filter wildcard character,
+ * reduce the length to match the leading portion of the user
+ * ID only (wildcard match). Characters following the wildcard
+ * are ignored.
+ */
+ wildcard = strnchr(filter_entry, 8, FILTER_WILDCARD_CHAR);
+ len = (wildcard) ? wildcard - filter_entry : 8;
+ if (0 == memcmp(ipvmid, filter_entry, len))
return 0;
+ }
return 1;
}
@@ -1166,6 +1178,7 @@ static void __init hvc_iucv_destroy(struct hvc_iucv_private *priv)
/**
* hvc_iucv_parse_filter() - Parse filter for a single z/VM user ID
* @filter: String containing a comma-separated list of z/VM user IDs
+ * @dest: Location where to store the parsed z/VM user ID
*/
static const char *hvc_iucv_parse_filter(const char *filter, char *dest)
{
@@ -1188,6 +1201,10 @@ static const char *hvc_iucv_parse_filter(const char *filter, char *dest)
if (filter[len - 1] == '\n')
len--;
+ /* prohibit filter entries containing the wildcard character only */
+ if (len == 1 && *filter == FILTER_WILDCARD_CHAR)
+ return ERR_PTR(-EINVAL);
+
if (len > 8)
return ERR_PTR(-EINVAL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 05:51:24 +0000