diff options
Diffstat (limited to 'include/linux')
34 files changed, 379 insertions, 79 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 4d8452c2384b..c5eaf2f80a4c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1056,7 +1056,7 @@ static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev, return NULL; } -#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \ +#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ static const void * __acpi_table_##name[] \ __attribute__((unused)) \ = { (void *) table_id, \ diff --git a/include/linux/bio.h b/include/linux/bio.h index 59ffaa68b11b..23ddf4b46a9b 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -71,7 +71,8 @@ static inline bool bio_has_data(struct bio *bio) { if (bio && bio->bi_iter.bi_size && - bio_op(bio) != REQ_OP_DISCARD) + bio_op(bio) != REQ_OP_DISCARD && + bio_op(bio) != REQ_OP_SECURE_ERASE) return true; return false; @@ -79,7 +80,9 @@ static inline bool bio_has_data(struct bio *bio) static inline bool bio_no_advance_iter(struct bio *bio) { - return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_WRITE_SAME; + return bio_op(bio) == REQ_OP_DISCARD || + bio_op(bio) == REQ_OP_SECURE_ERASE || + bio_op(bio) == REQ_OP_WRITE_SAME; } static inline bool bio_is_rw(struct bio *bio) @@ -199,6 +202,9 @@ static inline unsigned bio_segments(struct bio *bio) if (bio_op(bio) == REQ_OP_DISCARD) return 1; + if (bio_op(bio) == REQ_OP_SECURE_ERASE) + return 1; + if (bio_op(bio) == REQ_OP_WRITE_SAME) return 1; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 2c210b6a7bcf..e79055c8b577 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -882,7 +882,7 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq) static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, int op) { - if (unlikely(op == REQ_OP_DISCARD)) + if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE)) return min(q->limits.max_discard_sectors, UINT_MAX >> 9); if (unlikely(op == REQ_OP_WRITE_SAME)) @@ -913,7 +913,9 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq, if (unlikely(rq->cmd_type != REQ_TYPE_FS)) return q->limits.max_hw_sectors; - if (!q->limits.chunk_sectors || (req_op(rq) == REQ_OP_DISCARD)) + if (!q->limits.chunk_sectors || + req_op(rq) == REQ_OP_DISCARD || + req_op(rq) == REQ_OP_SECURE_ERASE) return blk_queue_get_max_sectors(q, req_op(rq)); return min(blk_max_size_offset(q, offset), diff --git a/include/linux/cec-funcs.h b/include/linux/cec-funcs.h index 82c3d3b7269d..138bbf721e70 100644 --- a/include/linux/cec-funcs.h +++ b/include/linux/cec-funcs.h @@ -162,10 +162,11 @@ static inline void cec_msg_standby(struct cec_msg *msg) /* One Touch Record Feature */ -static inline void cec_msg_record_off(struct cec_msg *msg) +static inline void cec_msg_record_off(struct cec_msg *msg, bool reply) { msg->len = 2; msg->msg[1] = CEC_MSG_RECORD_OFF; + msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; } struct cec_op_arib_data { @@ -227,7 +228,7 @@ static inline void cec_set_digital_service_id(__u8 *msg, if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) { *msg++ = (digital->channel.channel_number_fmt << 2) | (digital->channel.major >> 8); - *msg++ = digital->channel.major && 0xff; + *msg++ = digital->channel.major & 0xff; *msg++ = digital->channel.minor >> 8; *msg++ = digital->channel.minor & 0xff; *msg++ = 0; @@ -323,6 +324,7 @@ static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg, } static inline void cec_msg_record_on(struct cec_msg *msg, + bool reply, const struct cec_op_record_src *rec_src) { switch (rec_src->type) { @@ -346,6 +348,7 @@ static inline void cec_msg_record_on(struct cec_msg *msg, rec_src->ext_phys_addr.phys_addr); break; } + msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; } static inline void cec_ops_record_on(const struct cec_msg *msg, @@ -1141,6 +1144,75 @@ static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg, msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0; } +static inline void cec_msg_vendor_command(struct cec_msg *msg, + __u8 size, const __u8 *vendor_cmd) +{ + if (size > 14) + size = 14; + msg->len = 2 + size; + msg->msg[1] = CEC_MSG_VENDOR_COMMAND; + memcpy(msg->msg + 2, vendor_cmd, size); +} + +static inline void cec_ops_vendor_command(const struct cec_msg *msg, + __u8 *size, + const __u8 **vendor_cmd) +{ + *size = msg->len - 2; + + if (*size > 14) + *size = 14; + *vendor_cmd = msg->msg + 2; +} + +static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg, + __u32 vendor_id, __u8 size, + const __u8 *vendor_cmd) +{ + if (size > 11) + size = 11; + msg->len = 5 + size; + msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID; + msg->msg[2] = vendor_id >> 16; + msg->msg[3] = (vendor_id >> 8) & 0xff; + msg->msg[4] = vendor_id & 0xff; + memcpy(msg->msg + 5, vendor_cmd, size); +} + +static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg, + __u32 *vendor_id, __u8 *size, + const __u8 **vendor_cmd) +{ + *size = msg->len - 5; + + if (*size > 11) + *size = 11; + *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4]; + *vendor_cmd = msg->msg + 5; +} + +static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg, + __u8 size, + const __u8 *rc_code) +{ + if (size > 14) + size = 14; + msg->len = 2 + size; + msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN; + memcpy(msg->msg + 2, rc_code, size); +} + +static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg, + __u8 *size, + const __u8 **rc_code) +{ + *size = msg->len - 2; + + if (*size > 14) + *size = 14; + *rc_code = msg->msg + 2; +} + static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg) { msg->len = 2; @@ -1277,7 +1349,7 @@ static inline void cec_msg_user_control_pressed(struct cec_msg *msg, msg->len += 4; msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) | (ui_cmd->channel_identifier.major >> 8); - msg->msg[4] = ui_cmd->channel_identifier.major && 0xff; + msg->msg[4] = ui_cmd->channel_identifier.major & 0xff; msg->msg[5] = ui_cmd->channel_identifier.minor >> 8; msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff; break; diff --git a/include/linux/cec.h b/include/linux/cec.h index b3e22893a002..851968e803fa 100644 --- a/include/linux/cec.h +++ b/include/linux/cec.h @@ -364,7 +364,7 @@ struct cec_caps { * @num_log_addrs: how many logical addresses should be claimed. Set by the * caller. * @vendor_id: the vendor ID of the device. Set by the caller. - * @flags: set to 0. + * @flags: flags. * @osd_name: the OSD name of the device. Set by the caller. * @primary_device_type: the primary device type for each logical address. * Set by the caller. @@ -389,6 +389,9 @@ struct cec_log_addrs { __u8 features[CEC_MAX_LOG_ADDRS][12]; }; +/* Allow a fallback to unregistered */ +#define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0) + /* Events */ /* Event that occurs when the adapter state changes */ diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index e2949397c19b..573c5a18908f 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -158,7 +158,7 @@ #define __compiler_offsetof(a, b) \ __builtin_offsetof(a, b) -#if GCC_VERSION >= 40100 && GCC_VERSION < 40600 +#if GCC_VERSION >= 40100 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0) #endif @@ -242,7 +242,11 @@ */ #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) -#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP +/* + * sparse (__CHECKER__) pretends to be gcc, but can't do constant + * folding in __builtin_bswap*() (yet), so don't set these for it. + */ +#if defined(CONFIG_ARCH_USE_BUILTIN_BSWAP) && !defined(__CHECKER__) #if GCC_VERSION >= 40400 #define __HAVE_BUILTIN_BSWAP32__ #define __HAVE_BUILTIN_BSWAP64__ @@ -250,7 +254,7 @@ #if GCC_VERSION >= 40800 #define __HAVE_BUILTIN_BSWAP16__ #endif -#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ +#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP && !__CHECKER__ */ #if GCC_VERSION >= 50000 #define KASAN_ABI_VERSION 4 diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 436aa4e42221..668569844d37 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -527,13 +527,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s * object's lifetime is managed by something other than RCU. That * "something other" might be reference counting or simple immortality. * - * The seemingly unused size_t variable is to validate @p is indeed a pointer - * type by making sure it can be dereferenced. + * The seemingly unused variable ___typecheck_p validates that @p is + * indeed a pointer type by using a pointer to typeof(*p) as the type. + * Taking a pointer to typeof(*p) again is needed in case p is void *. */ #define lockless_dereference(p) \ ({ \ typeof(p) _________p1 = READ_ONCE(p); \ - size_t __maybe_unused __size_of_ptr = sizeof(*(p)); \ + typeof(*(p)) *___typecheck_p __maybe_unused; \ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \ (_________p1); \ }) diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 242bf530edfc..34bd80512a0c 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -1,6 +1,8 @@ #ifndef __CPUHOTPLUG_H #define __CPUHOTPLUG_H +#include <linux/types.h> + enum cpuhp_state { CPUHP_OFFLINE, CPUHP_CREATE_THREADS, diff --git a/include/linux/efi.h b/include/linux/efi.h index 7f5a58225385..0148a3046b48 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -118,6 +118,15 @@ typedef struct { u32 imagesize; } efi_capsule_header_t; +struct efi_boot_memmap { + efi_memory_desc_t **map; + unsigned long *map_size; + unsigned long *desc_size; + u32 *desc_ver; + unsigned long *key_ptr; + unsigned long *buff_size; +}; + /* * EFI capsule flags */ @@ -946,7 +955,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm, /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ - ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ + (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ (md) = (void *)(md) + (m)->desc_size) /** @@ -1371,11 +1380,7 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg, efi_loaded_image_t *image, int *cmd_line_len); efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, - efi_memory_desc_t **map, - unsigned long *map_size, - unsigned long *desc_size, - u32 *desc_ver, - unsigned long *key_ptr); + struct efi_boot_memmap *map); efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, unsigned long size, unsigned long align, @@ -1457,4 +1462,14 @@ extern void efi_call_virt_check_flags(unsigned long flags, const char *call); arch_efi_call_virt_teardown(); \ }) +typedef efi_status_t (*efi_exit_boot_map_processing)( + efi_system_table_t *sys_table_arg, + struct efi_boot_memmap *map, + void *priv); + +efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table, + void *handle, + struct efi_boot_memmap *map, + void *priv, + efi_exit_boot_map_processing priv_func); #endif /* _LINUX_EFI_H */ diff --git a/include/linux/fence.h b/include/linux/fence.h index 8cc719a63728..2ac6fa5f4712 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -49,8 +49,6 @@ struct fence_cb; * @timestamp: Timestamp when the fence was signaled. * @status: Optional, only valid if < 0, must be set before calling * fence_signal, indicates that the fence has completed with an error. - * @child_list: list of children fences - * @active_list: list of active fences * * the flags member must be manipulated and read using the appropriate * atomic ops (bit_*), so taking the spinlock will not be needed most diff --git a/include/linux/fs.h b/include/linux/fs.h index 3523bf62f328..901e25d495cc 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -574,6 +574,7 @@ static inline void mapping_allow_writable(struct address_space *mapping) struct posix_acl; #define ACL_NOT_CACHED ((void *)(-1)) +#define ACL_DONT_CACHE ((void *)(-3)) static inline struct posix_acl * uncached_acl_sentinel(struct task_struct *task) diff --git a/include/linux/fscrypto.h b/include/linux/fscrypto.h index cfa6cde25f8e..76cff18bb032 100644 --- a/include/linux/fscrypto.h +++ b/include/linux/fscrypto.h @@ -274,8 +274,7 @@ extern void fscrypt_restore_control_page(struct page *); extern int fscrypt_zeroout_range(struct inode *, pgoff_t, sector_t, unsigned int); /* policy.c */ -extern int fscrypt_process_policy(struct inode *, - const struct fscrypt_policy *); +extern int fscrypt_process_policy(struct file *, const struct fscrypt_policy *); extern int fscrypt_get_policy(struct inode *, struct fscrypt_policy *); extern int fscrypt_has_permitted_context(struct inode *, struct inode *); extern int fscrypt_inherit_context(struct inode *, struct inode *, @@ -345,7 +344,7 @@ static inline int fscrypt_notsupp_zeroout_range(struct inode *i, pgoff_t p, } /* policy.c */ -static inline int fscrypt_notsupp_process_policy(struct inode *i, +static inline int fscrypt_notsupp_process_policy(struct file *f, const struct fscrypt_policy *p) { return -EOPNOTSUPP; diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 58205f33af02..7268ed076be8 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -148,6 +148,7 @@ struct fsnotify_group { #define FS_PRIO_1 1 /* fanotify content based access control */ #define FS_PRIO_2 2 /* fanotify pre-content access */ unsigned int priority; + bool shutdown; /* group is being shut down, don't queue more events */ /* stores all fastpath marks assoc with this group so they can be cleaned on unregister */ struct mutex mark_mutex; /* protect marks_list */ @@ -179,7 +180,6 @@ struct fsnotify_group { spinlock_t access_lock; struct list_head access_list; wait_queue_head_t access_waitq; - atomic_t bypass_perm; #endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ int f_flags; unsigned int max_marks; @@ -292,6 +292,8 @@ extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *op extern void fsnotify_get_group(struct fsnotify_group *group); /* drop reference on a group from fsnotify_alloc_group */ extern void fsnotify_put_group(struct fsnotify_group *group); +/* group destruction begins, stop queuing new events */ +extern void fsnotify_group_stop_queueing(struct fsnotify_group *group); /* destroy group */ extern void fsnotify_destroy_group(struct fsnotify_group *group); /* fasync handler function */ @@ -304,8 +306,6 @@ extern int fsnotify_add_event(struct fsnotify_group *group, struct fsnotify_event *event, int (*merge)(struct list_head *, struct fsnotify_event *)); -/* Remove passed event from groups notification queue */ -extern void fsnotify_remove_event(struct fsnotify_group *group, struct fsnotify_event *event); /* true if the group notification queue is empty */ extern bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group); /* return, but do not dequeue the first event on the notification queue */ diff --git a/include/linux/host1x.h b/include/linux/host1x.h index d2ba7d334039..1ffbf2a8cb99 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -304,6 +304,8 @@ struct tegra_mipi_device; struct tegra_mipi_device *tegra_mipi_request(struct device *device); void tegra_mipi_free(struct tegra_mipi_device *device); +int tegra_mipi_enable(struct tegra_mipi_device *device); +int tegra_mipi_disable(struct tegra_mipi_device *device); int tegra_mipi_calibrate(struct tegra_mipi_device *device); #endif diff --git a/include/linux/iio/sw_trigger.h b/include/linux/iio/sw_trigger.h index 5198f8ed08a4..c97eab67558f 100644 --- a/include/linux/iio/sw_trigger.h +++ b/include/linux/iio/sw_trigger.h @@ -62,7 +62,7 @@ void iio_swt_group_init_type_name(struct iio_sw_trigger *t, const char *name, struct config_item_type *type) { -#ifdef CONFIG_CONFIGFS_FS +#if IS_ENABLED(CONFIG_CONFIGFS_FS) config_group_init_type_name(&t->group, name, type); #endif } diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 3267df461012..3d70ece10313 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -19,6 +19,11 @@ struct vm_fault; #define IOMAP_UNWRITTEN 0x04 /* blocks allocated @blkno in unwritten state */ /* + * Flags for iomap mappings: + */ +#define IOMAP_F_MERGED 0x01 /* contains multiple blocks/extents */ + +/* * Magic value for blkno: */ #define IOMAP_NULL_BLOCK -1LL /* blkno is not valid */ @@ -27,7 +32,8 @@ struct iomap { sector_t blkno; /* 1st sector of mapping, 512b units */ loff_t offset; /* file offset of mapping, bytes */ u64 length; /* length of mapping, bytes */ - int type; /* type of mapping */ + u16 type; /* type of mapping */ + u16 flags; /* flags for mapping */ struct block_device *bdev; /* block device for I/O */ }; diff --git a/include/linux/irq.h b/include/linux/irq.h index b52424eaa0ed..0ac26c892fe2 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -945,6 +945,16 @@ static inline void irq_gc_lock(struct irq_chip_generic *gc) { } static inline void irq_gc_unlock(struct irq_chip_generic *gc) { } #endif +/* + * The irqsave variants are for usage in non interrupt code. Do not use + * them in irq_chip callbacks. Use irq_gc_lock() instead. + */ +#define irq_gc_lock_irqsave(gc, flags) \ + raw_spin_lock_irqsave(&(gc)->lock, flags) + +#define irq_gc_unlock_irqrestore(gc, flags) \ + raw_spin_unlock_irqrestore(&(gc)->lock, flags) + static inline void irq_reg_writel(struct irq_chip_generic *gc, u32 val, int reg_offset) { diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 56b0b7ec66aa..99ac022edc60 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -337,6 +337,7 @@ */ #define E_ITS_MOVI_UNMAPPED_INTERRUPT 0x010107 #define E_ITS_MOVI_UNMAPPED_COLLECTION 0x010109 +#define E_ITS_INT_UNMAPPED_INTERRUPT 0x010307 #define E_ITS_CLEAR_UNMAPPED_INTERRUPT 0x010507 #define E_ITS_MAPD_DEVICE_OOR 0x010801 #define E_ITS_MAPC_PROCNUM_OOR 0x010902 diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 4429d255c8ab..5e5b2969d931 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -195,6 +195,7 @@ static inline bool vma_migratable(struct vm_area_struct *vma) } extern int mpol_misplaced(struct page *, struct vm_area_struct *, unsigned long); +extern void mpol_put_task_policy(struct task_struct *); #else @@ -297,5 +298,8 @@ static inline int mpol_misplaced(struct page *page, struct vm_area_struct *vma, return -1; /* no node preference */ } +static inline void mpol_put_task_policy(struct task_struct *task) +{ +} #endif /* CONFIG_NUMA */ #endif diff --git a/include/linux/mfd/da8xx-cfgchip.h b/include/linux/mfd/da8xx-cfgchip.h new file mode 100644 index 000000000000..304985e288d2 --- /dev/null +++ b/include/linux/mfd/da8xx-cfgchip.h @@ -0,0 +1,153 @@ +/* + * TI DaVinci DA8xx CHIPCFGx registers for syscon consumers. + * + * Copyright (C) 2016 David Lechner <david@lechnology.com> + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +#ifndef __LINUX_MFD_DA8XX_CFGCHIP_H +#define __LINUX_MFD_DA8XX_CFGCHIP_H + +#include <linux/bitops.h> + +/* register offset (32-bit registers) */ +#define CFGCHIP(n) ((n) * 4) + +/* CFGCHIP0 (PLL0/EDMA3_0) register bits */ +#define CFGCHIP0_PLL_MASTER_LOCK BIT(4) +#define CFGCHIP0_EDMA30TC1DBS(n) ((n) << 2) +#define CFGCHIP0_EDMA30TC1DBS_MASK CFGCHIP0_EDMA30TC1DBS(0x3) +#define CFGCHIP0_EDMA30TC1DBS_16 CFGCHIP0_EDMA30TC1DBS(0x0) +#define CFGCHIP0_EDMA30TC1DBS_32 CFGCHIP0_EDMA30TC1DBS(0x1) +#define CFGCHIP0_EDMA30TC1DBS_64 CFGCHIP0_EDMA30TC1DBS(0x2) +#define CFGCHIP0_EDMA30TC0DBS(n) ((n) << 0) +#define CFGCHIP0_EDMA30TC0DBS_MASK CFGCHIP0_EDMA30TC0DBS(0x3) +#define CFGCHIP0_EDMA30TC0DBS_16 CFGCHIP0_EDMA30TC0DBS(0x0) +#define CFGCHIP0_EDMA30TC0DBS_32 CFGCHIP0_EDMA30TC0DBS(0x1) +#define CFGCHIP0_EDMA30TC0DBS_64 CFGCHIP0_EDMA30TC0DBS(0x2) + +/* CFGCHIP1 (eCAP/HPI/EDMA3_1/eHRPWM TBCLK/McASP0 AMUTEIN) register bits */ +#define CFGCHIP1_CAP2SRC(n) ((n) << 27) +#define CFGCHIP1_CAP2SRC_MASK CFGCHIP1_CAP2SRC(0x1f) +#define CFGCHIP1_CAP2SRC_ECAP_PIN CFGCHIP1_CAP2SRC(0x0) +#define CFGCHIP1_CAP2SRC_MCASP0_TX CFGCHIP1_CAP2SRC(0x1) +#define CFGCHIP1_CAP2SRC_MCASP0_RX CFGCHIP1_CAP2SRC(0x2) +#define CFGCHIP1_CAP2SRC_EMAC_C0_RX_THRESHOLD CFGCHIP1_CAP2SRC(0x7) +#define CFGCHIP1_CAP2SRC_EMAC_C0_RX CFGCHIP1_CAP2SRC(0x8) +#define CFGCHIP1_CAP2SRC_EMAC_C0_TX CFGCHIP1_CAP2SRC(0x9) +#define CFGCHIP1_CAP2SRC_EMAC_C0_MISC CFGCHIP1_CAP2SRC(0xa) +#define CFGCHIP1_CAP2SRC_EMAC_C1_RX_THRESHOLD CFGCHIP1_CAP2SRC(0xb) +#define CFGCHIP1_CAP2SRC_EMAC_C1_RX CFGCHIP1_CAP2SRC(0xc) +#define CFGCHIP1_CAP2SRC_EMAC_C1_TX CFGCHIP1_CAP2SRC(0xd) +#define CFGCHIP1_CAP2SRC_EMAC_C1_MISC CFGCHIP1_CAP2SRC(0xe) +#define CFGCHIP1_CAP2SRC_EMAC_C2_RX_THRESHOLD CFGCHIP1_CAP2SRC(0xf) +#define CFGCHIP1_CAP2SRC_EMAC_C2_RX CFGCHIP1_CAP2SRC(0x10) +#define CFGCHIP1_CAP2SRC_EMAC_C2_TX CFGCHIP1_CAP2SRC(0x11) +#define CFGCHIP1_CAP2SRC_EMAC_C2_MISC CFGCHIP1_CAP2SRC(0x12) +#define CFGCHIP1_CAP1SRC(n) ((n) << 22) +#define CFGCHIP1_CAP1SRC_MASK CFGCHIP1_CAP1SRC(0x1f) +#define CFGCHIP1_CAP1SRC_ECAP_PIN CFGCHIP1_CAP1SRC(0x0) +#define CFGCHIP1_CAP1SRC_MCASP0_TX CFGCHIP1_CAP1SRC(0x1) +#define CFGCHIP1_CAP1SRC_MCASP0_RX CFGCHIP1_CAP1SRC(0x2) +#define CFGCHIP1_CAP1SRC_EMAC_C0_RX_THRESHOLD CFGCHIP1_CAP1SRC(0x7) +#define CFGCHIP1_CAP1SRC_EMAC_C0_RX CFGCHIP1_CAP1SRC(0x8) +#define CFGCHIP1_CAP1SRC_EMAC_C0_TX CFGCHIP1_CAP1SRC(0x9) +#define CFGCHIP1_CAP1SRC_EMAC_C0_MISC CFGCHIP1_CAP1SRC(0xa) +#define CFGCHIP1_CAP1SRC_EMAC_C1_RX_THRESHOLD CFGCHIP1_CAP1SRC(0xb) +#define CFGCHIP1_CAP1SRC_EMAC_C1_RX CFGCHIP1_CAP1SRC(0xc) +#define CFGCHIP1_CAP1SRC_EMAC_C1_TX CFGCHIP1_CAP1SRC(0xd) +#define CFGCHIP1_CAP1SRC_EMAC_C1_MISC CFGCHIP1_CAP1SRC(0xe) +#define CFGCHIP1_CAP1SRC_EMAC_C2_RX_THRESHOLD CFGCHIP1_CAP1SRC(0xf) +#define CFGCHIP1_CAP1SRC_EMAC_C2_RX CFGCHIP1_CAP1SRC(0x10) +#define CFGCHIP1_CAP1SRC_EMAC_C2_TX CFGCHIP1_CAP1SRC(0x11) +#define CFGCHIP1_CAP1SRC_EMAC_C2_MISC CFGCHIP1_CAP1SRC(0x12) +#define CFGCHIP1_CAP0SRC(n) ((n) << 17) +#define CFGCHIP1_CAP0SRC_MASK CFGCHIP1_CAP0SRC(0x1f) +#define CFGCHIP1_CAP0SRC_ECAP_PIN CFGCHIP1_CAP0SRC(0x0) +#define CFGCHIP1_CAP0SRC_MCASP0_TX CFGCHIP1_CAP0SRC(0x1) +#define CFGCHIP1_CAP0SRC_MCASP0_RX CFGCHIP1_CAP0SRC(0x2) +#define CFGCHIP1_CAP0SRC_EMAC_C0_RX_THRESHOLD CFGCHIP1_CAP0SRC(0x7) +#define CFGCHIP1_CAP0SRC_EMAC_C0_RX CFGCHIP1_CAP0SRC(0x8) +#define CFGCHIP1_CAP0SRC_EMAC_C0_TX CFGCHIP1_CAP0SRC(0x9) +#define CFGCHIP1_CAP0SRC_EMAC_C0_MISC CFGCHIP1_CAP0SRC(0xa) +#define CFGCHIP1_CAP0SRC_EMAC_C1_RX_THRESHOLD CFGCHIP1_CAP0SRC(0xb) +#define CFGCHIP1_CAP0SRC_EMAC_C1_RX CFGCHIP1_CAP0SRC(0xc) +#define CFGCHIP1_CAP0SRC_EMAC_C1_TX CFGCHIP1_CAP0SRC(0xd) +#define CFGCHIP1_CAP0SRC_EMAC_C1_MISC CFGCHIP1_CAP0SRC(0xe) +#define CFGCHIP1_CAP0SRC_EMAC_C2_RX_THRESHOLD CFGCHIP1_CAP0SRC(0xf) +#define CFGCHIP1_CAP0SRC_EMAC_C2_RX CFGCHIP1_CAP0SRC(0x10) +#define CFGCHIP1_CAP0SRC_EMAC_C2_TX CFGCHIP1_CAP0SRC(0x11) +#define CFGCHIP1_CAP0SRC_EMAC_C2_MISC CFGCHIP1_CAP0SRC(0x12) +#define CFGCHIP1_HPIBYTEAD BIT(16) +#define CFGCHIP1_HPIENA BIT(15) +#define CFGCHIP0_EDMA31TC0DBS(n) ((n) << 13) +#define CFGCHIP0_EDMA31TC0DBS_MASK CFGCHIP0_EDMA31TC0DBS(0x3) +#define CFGCHIP0_EDMA31TC0DBS_16 CFGCHIP0_EDMA31TC0DBS(0x0) +#define CFGCHIP0_EDMA31TC0DBS_32 CFGCHIP0_EDMA31TC0DBS(0x1) +#define CFGCHIP0_EDMA31TC0DBS_64 CFGCHIP0_EDMA31TC0DBS(0x2) +#define CFGCHIP1_TBCLKSYNC BIT(12) +#define CFGCHIP1_AMUTESEL0(n) ((n) << 0) +#define CFGCHIP1_AMUTESEL0_MASK CFGCHIP1_AMUTESEL0(0xf) +#define CFGCHIP1_AMUTESEL0_LOW CFGCHIP1_AMUTESEL0(0x0) +#define CFGCHIP1_AMUTESEL0_BANK_0 CFGCHIP1_AMUTESEL0(0x1) +#define CFGCHIP1_AMUTESEL0_BANK_1 CFGCHIP1_AMUTESEL0(0x2) +#define CFGCHIP1_AMUTESEL0_BANK_2 CFGCHIP1_AMUTESEL0(0x3) +#define CFGCHIP1_AMUTESEL0_BANK_3 CFGCHIP1_AMUTESEL0(0x4) +#define CFGCHIP1_AMUTESEL0_BANK_4 CFGCHIP1_AMUTESEL0(0x5) +#define CFGCHIP1_AMUTESEL0_BANK_5 CFGCHIP1_AMUTESEL0(0x6) +#define CFGCHIP1_AMUTESEL0_BANK_6 CFGCHIP1_AMUTESEL0(0x7) +#define CFGCHIP1_AMUTESEL0_BANK_7 CFGCHIP1_AMUTESEL0(0x8) + +/* CFGCHIP2 (USB PHY) register bits */ +#define CFGCHIP2_PHYCLKGD BIT(17) +#define CFGCHIP2_VBUSSENSE BIT(16) +#define CFGCHIP2_RESET BIT(15) +#define CFGCHIP2_OTGMODE(n) ((n) << 13) +#define CFGCHIP2_OTGMODE_MASK CFGCHIP2_OTGMODE(0x3) +#define CFGCHIP2_OTGMODE_NO_OVERRIDE CFGCHIP2_OTGMODE(0x0) +#define CFGCHIP2_OTGMODE_FORCE_HOST CFGCHIP2_OTGMODE(0x1) +#define CFGCHIP2_OTGMODE_FORCE_DEVICE CFGCHIP2_OTGMODE(0x2) +#define CFGCHIP2_OTGMODE_FORCE_HOST_VBUS_LOW CFGCHIP2_OTGMODE(0x3) +#define CFGCHIP2_USB1PHYCLKMUX BIT(12) +#define CFGCHIP2_USB2PHYCLKMUX BIT(11) +#define CFGCHIP2_PHYPWRDN BIT(10) +#define CFGCHIP2_OTGPWRDN BIT(9) +#define CFGCHIP2_DATPOL BIT(8) +#define CFGCHIP2_USB1SUSPENDM BIT(7) +#define CFGCHIP2_PHY_PLLON BIT(6) +#define CFGCHIP2_SESENDEN BIT(5) +#define CFGCHIP2_VBDTCTEN BIT(4) +#define CFGCHIP2_REFFREQ(n) ((n) << 0) +#define CFGCHIP2_REFFREQ_MASK CFGCHIP2_REFFREQ(0xf) +#define CFGCHIP2_REFFREQ_12MHZ CFGCHIP2_REFFREQ(0x1) +#define CFGCHIP2_REFFREQ_24MHZ CFGCHIP2_REFFREQ(0x2) +#define CFGCHIP2_REFFREQ_48MHZ CFGCHIP2_REFFREQ(0x3) +#define CFGCHIP2_REFFREQ_19_2MHZ CFGCHIP2_REFFREQ(0x4) +#define CFGCHIP2_REFFREQ_38_4MHZ CFGCHIP2_REFFREQ(0x5) +#define CFGCHIP2_REFFREQ_13MHZ CFGCHIP2_REFFREQ(0x6) +#define CFGCHIP2_REFFREQ_26MHZ CFGCHIP2_REFFREQ(0x7) +#define CFGCHIP2_REFFREQ_20MHZ CFGCHIP2_REFFREQ(0x8) +#define CFGCHIP2_REFFREQ_40MHZ CFGCHIP2_REFFREQ(0x9) + +/* CFGCHIP3 (EMAC/uPP/PLL1/ASYNC3/PRU/DIV4.5/EMIFA) register bits */ +#define CFGCHIP3_RMII_SEL BIT(8) +#define CFGCHIP3_UPP_TX_CLKSRC BIT(6) +#define CFGCHIP3_PLL1_MASTER_LOCK BIT(5) +#define CFGCHIP3_ASYNC3_CLKSRC BIT(4) +#define CFGCHIP3_PRUEVTSEL BIT(3) +#define CFGCHIP3_DIV45PENA BIT(2) +#define CFGCHIP3_EMA_CLKSRC BIT(1) + +/* CFGCHIP4 (McASP0 AMUNTEIN) register bits */ +#define CFGCHIP4_AMUTECLR0 BIT(0) + +#endif /* __LINUX_MFD_DA8XX_CFGCHIP_H */ diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 2567a87872b0..7f55b8b41032 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -138,16 +138,16 @@ /* * time in us for processing a single channel, calculated as follows: * - * num cycles = open delay + (sample delay + conv time) * averaging + * max num cycles = open delay + (sample delay + conv time) * averaging * - * num cycles: 152 + (1 + 13) * 16 = 376 + * max num cycles: 262143 + (255 + 13) * 16 = 266431 * * clock frequency: 26MHz / 8 = 3.25MHz * clock period: 1 / 3.25MHz = 308ns * - * processing time: 376 * 308ns = 116us + * max processing time: 266431 * 308ns = 83ms(approx) */ -#define IDLE_TIMEOUT 116 /* microsec */ +#define IDLE_TIMEOUT 83 /* milliseconds */ #define TSCADC_CELLS 2 diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 21bc4557b67a..d1f9a581aca8 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -6710,9 +6710,10 @@ struct mlx5_ifc_pude_reg_bits { }; struct mlx5_ifc_ptys_reg_bits { - u8 an_disable_cap[0x1]; + u8 reserved_at_0[0x1]; u8 an_disable_admin[0x1]; - u8 reserved_at_2[0x6]; + u8 an_disable_cap[0x1]; + u8 reserved_at_3[0x5]; u8 local_port[0x8]; u8 reserved_at_10[0xd]; u8 proto_mask[0x3]; diff --git a/include/linux/mm.h b/include/linux/mm.h index 08ed53eeedd5..ef815b9cd426 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2014,6 +2014,7 @@ extern void mm_drop_all_locks(struct mm_struct *mm); extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file); extern struct file *get_mm_exe_file(struct mm_struct *mm); +extern struct file *get_task_exe_file(struct task_struct *task); extern bool may_expand_vm(struct mm_struct *, vm_flags_t, unsigned long npages); extern void vm_stat_account(struct mm_struct *, vm_flags_t, long npages); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index d572b78b65e1..7f2ae99e5daf 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -828,9 +828,21 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long); */ #define zone_idx(zone) ((zone) - (zone)->zone_pgdat->node_zones) -static inline int populated_zone(struct zone *zone) +/* + * Returns true if a zone has pages managed by the buddy allocator. + * All the reclaim decisions have to use this function rather than + * populated_zone(). If the whole zone is reserved then we can easily + * end up with populated_zone() && !managed_zone(). + */ +static inline bool managed_zone(struct zone *zone) +{ + return zone->managed_pages; +} + +/* Returns true if a zone has memory */ +static inline bool populated_zone(struct zone *zone) { - return (!!zone->present_pages); + return zone->present_pages; } extern int movable_zone; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 3a788bf0affd..e8d79d4ebcfe 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3267,6 +3267,7 @@ static inline void napi_free_frags(struct napi_struct *napi) napi->skb = NULL; } +bool netdev_is_rx_handler_busy(struct net_device *dev); int netdev_rx_handler_register(struct net_device *dev, rx_handler_func_t *rx_handler, void *rx_handler_data); diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h index 80ca889b164e..664da0048625 100644 --- a/include/linux/netfilter/nfnetlink_acct.h +++ b/include/linux/netfilter/nfnetlink_acct.h @@ -15,6 +15,6 @@ struct nf_acct; struct nf_acct *nfnl_acct_find_get(struct net *net, const char *filter_name); void nfnl_acct_put(struct nf_acct *acct); void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct); -extern int nfnl_acct_overquota(const struct sk_buff *skb, - struct nf_acct *nfacct); +int nfnl_acct_overquota(struct net *net, const struct sk_buff *skb, + struct nf_acct *nfacct); #endif /* _NFNL_ACCT_H */ diff --git a/include/linux/nvme.h b/include/linux/nvme.h index d8b37bab2887..7676557ce357 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -794,7 +794,7 @@ struct nvmf_connect_command { }; struct nvmf_connect_data { - uuid_le hostid; + uuid_be hostid; __le16 cntlid; char resv4[238]; char subsysnqn[NVMF_NQN_FIELD_LEN]; diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 66a1260b33de..01e84436cddf 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -571,56 +571,57 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size) */ static inline int fault_in_multipages_writeable(char __user *uaddr, int size) { - int ret = 0; char __user *end = uaddr + size - 1; if (unlikely(size == 0)) - return ret; + return 0; + if (unlikely(uaddr > end)) + return -EFAULT; /* * Writing zeroes into userspace here is OK, because we know that if * the zero gets there, we'll be overwriting it. */ - while (uaddr <= end) { - ret = __put_user(0, uaddr); - if (ret != 0) - return ret; + do { + if (unlikely(__put_user(0, uaddr) != 0)) + return -EFAULT; uaddr += PAGE_SIZE; - } + } while (uaddr <= end); /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & PAGE_MASK) == ((unsigned long)end & PAGE_MASK)) - ret = __put_user(0, end); + return __put_user(0, end); - return ret; + return 0; } static inline int fault_in_multipages_readable(const char __user *uaddr, int size) { volatile char c; - int ret = 0; const char __user *end = uaddr + size - 1; if (unlikely(size == 0)) - return ret; + return 0; - while (uaddr <= end) { - ret = __get_user(c, uaddr); - if (ret != 0) - return ret; + if (unlikely(uaddr > end)) + return -EFAULT; + + do { + if (unlikely(__get_user(c, uaddr) != 0)) + return -EFAULT; uaddr += PAGE_SIZE; - } + } while (uaddr <= end); /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & PAGE_MASK) == ((unsigned long)end & PAGE_MASK)) { - ret = __get_user(c, end); - (void)c; + return __get_user(c, end); } - return ret; + (void)c; + return 0; } int add_to_page_cache_locked(struct page *page, struct address_space *mapping, diff --git a/include/linux/pci.h b/include/linux/pci.h index 2599a980340f..0ab835965669 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -683,15 +683,6 @@ struct pci_driver { #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver) /** - * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table - * @_table: device table name - * - * This macro is deprecated and should not be used in new code. - */ -#define DEFINE_PCI_DEVICE_TABLE(_table) \ - const struct pci_device_id _table[] - -/** * PCI_DEVICE - macro used to describe a specific pci device * @vend: the 16 bit PCI Vendor ID * @dev: the 16 bit PCI Device ID @@ -1251,10 +1242,12 @@ resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno); int pci_set_vga_state(struct pci_dev *pdev, bool decode, unsigned int command_bits, u32 flags); -#define PCI_IRQ_NOLEGACY (1 << 0) /* don't use legacy interrupts */ -#define PCI_IRQ_NOMSI (1 << 1) /* don't use MSI interrupts */ -#define PCI_IRQ_NOMSIX (1 << 2) /* don't use MSI-X interrupts */ -#define PCI_IRQ_NOAFFINITY (1 << 3) /* don't auto-assign affinity */ +#define PCI_IRQ_LEGACY (1 << 0) /* allow legacy interrupts */ +#define PCI_IRQ_MSI (1 << 1) /* allow MSI interrupts */ +#define PCI_IRQ_MSIX (1 << 2) /* allow MSI-X interrupts */ +#define PCI_IRQ_AFFINITY (1 << 3) /* auto-assign affinity */ +#define PCI_IRQ_ALL_TYPES \ + (PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX) /* kmem_cache style wrapper around pci_alloc_consistent() */ diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 923266cd294a..48ec7651989b 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -111,7 +111,6 @@ struct uart_8250_port { * if no_console_suspend */ unsigned char probe; - struct mctrl_gpios *gpios; #define UART_PROBE_RSA (1 << 0) /* diff --git a/include/linux/smc91x.h b/include/linux/smc91x.h index 76199b75d584..e302c447e057 100644 --- a/include/linux/smc91x.h +++ b/include/linux/smc91x.h @@ -1,6 +1,16 @@ #ifndef __SMC91X_H__ #define __SMC91X_H__ +/* + * These bits define which access sizes a platform can support, rather + * than the maximal access size. So, if your platform can do 16-bit + * and 32-bit accesses to the SMC91x device, but not 8-bit, set both + * SMC91X_USE_16BIT and SMC91X_USE_32BIT. + * + * The SMC91x driver requires at least one of SMC91X_USE_8BIT or + * SMC91X_USE_16BIT to be supported - just setting SMC91X_USE_32BIT is + * an invalid configuration. + */ #define SMC91X_USE_8BIT (1 << 0) #define SMC91X_USE_16BIT (1 << 1) #define SMC91X_USE_32BIT (1 << 2) diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 697e160c78d0..a4f7203a9017 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -42,6 +42,8 @@ extern int proc_dostring(struct ctl_table *, int, void __user *, size_t *, loff_t *); extern int proc_dointvec(struct ctl_table *, int, void __user *, size_t *, loff_t *); +extern int proc_douintvec(struct ctl_table *, int, + void __user *, size_t *, loff_t *); extern int proc_dointvec_minmax(struct ctl_table *, int, void __user *, size_t *, loff_t *); extern int proc_dointvec_jiffies(struct ctl_table *, int, diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index cbd8990e2e77..2b5b10eed74f 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -118,10 +118,11 @@ static inline int arch_within_stack_frames(const void * const stack, extern void __check_object_size(const void *ptr, unsigned long n, bool to_user); -static inline void check_object_size(const void *ptr, unsigned long n, - bool to_user) +static __always_inline void check_object_size(const void *ptr, unsigned long n, + bool to_user) { - __check_object_size(ptr, n, to_user); + if (!__builtin_constant_p(n)) + __check_object_size(ptr, n, to_user); } #else static inline void check_object_size(const void *ptr, unsigned long n, diff --git a/include/linux/uio.h b/include/linux/uio.h index 1b5d1cd796e2..75b4aaf31a9d 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -76,7 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); -int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes); +#define iov_iter_fault_in_multipages_readable iov_iter_fault_in_readable size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); |