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| author | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
| commit | 6396fc3b3ff3f6b942992b653a62df11dcef9bea (patch) | |
| tree | db3c7cbe833b43c653adc99f70941431c5ff7c4e /include | |
| parent | 4785879e4d340e24e54f6de2ccfc42728b912808 (diff) | |
| parent | 3d30701b58970425e1d45994d6cb82f828924fdd (diff) | |
| download | linux-stable-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.gz linux-stable-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.bz2 linux-stable-6396fc3b3ff3f6b942992b653a62df11dcef9bea.zip | |
Merge branch 'master' into for-next
Conflicts:
fs/exofs/inode.c
Diffstat (limited to 'include')
90 files changed, 2234 insertions, 878 deletions
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h index fcd268ce0674..e3cbc38bdcc2 100644 --- a/include/asm-generic/fcntl.h +++ b/include/asm-generic/fcntl.h @@ -3,6 +3,14 @@ #include <linux/types.h> +/* + * FMODE_EXEC is 0x20 + * FMODE_NONOTIFY is 0x1000000 + * These cannot be used by userspace O_* until internal and external open + * flags are split. + * -Eric Paris + */ + #define O_ACCMODE 00000003 #define O_RDONLY 00000000 #define O_WRONLY 00000001 diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h index a799e20a769e..8554cb6a81b9 100644 --- a/include/asm-generic/ioctls.h +++ b/include/asm-generic/ioctls.h @@ -69,6 +69,7 @@ #define TCSETX 0x5433 #define TCSETXF 0x5434 #define TCSETXW 0x5435 +#define TIOCSIG _IOW('T', 0x36, int) /* pty: generate signal */ #define FIONCLEX 0x5450 #define FIOCLEX 0x5451 @@ -87,12 +88,10 @@ #define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ /* - * some architectures define FIOQSIZE as 0x545E, which is used for - * TIOCGHAYESESP on others + * Some arches already define FIOQSIZE due to a historical + * conflict with a Hayes modem-specific ioctl value. */ #ifndef FIOQSIZE -# define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ -# define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ # define FIOQSIZE 0x5460 #endif @@ -104,6 +103,7 @@ #define TIOCPKT_START 8 #define TIOCPKT_NOSTOP 16 #define TIOCPKT_DOSTOP 32 +#define TIOCPKT_IOCTL 64 #define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h index 3b4fb3e52f0d..0fd28e028de1 100644 --- a/include/asm-generic/statfs.h +++ b/include/asm-generic/statfs.h @@ -33,7 +33,8 @@ struct statfs { __kernel_fsid_t f_fsid; __statfs_word f_namelen; __statfs_word f_frsize; - __statfs_word f_spare[5]; + __statfs_word f_flags; + __statfs_word f_spare[4]; }; /* @@ -55,7 +56,8 @@ struct statfs64 { __kernel_fsid_t f_fsid; __statfs_word f_namelen; __statfs_word f_frsize; - __statfs_word f_spare[5]; + __statfs_word f_flags; + __statfs_word f_spare[4]; } ARCH_PACK_STATFS64; /* @@ -77,7 +79,8 @@ struct compat_statfs64 { __kernel_fsid_t f_fsid; __u32 f_namelen; __u32 f_frsize; - __u32 f_spare[5]; + __u32 f_flags; + __u32 f_spare[4]; } ARCH_PACK_COMPAT_STATFS64; #endif diff --git a/include/asm-generic/termbits.h b/include/asm-generic/termbits.h index 1c9773d48cb0..232b4781aef3 100644 --- a/include/asm-generic/termbits.h +++ b/include/asm-generic/termbits.h @@ -178,6 +178,7 @@ struct ktermios { #define FLUSHO 0010000 #define PENDIN 0040000 #define IEXTEN 0100000 +#define EXTPROC 0200000 /* tcflow() and TCXONC use these */ #define TCOOFF 0 diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h index c17cebc49952..e1898090f22c 100644 --- a/include/asm-generic/unistd.h +++ b/include/asm-generic/unistd.h @@ -640,9 +640,11 @@ __SYSCALL(__NR_recvmmsg, sys_recvmmsg) #define __NR_wait4 260 __SYSCALL(__NR_wait4, sys_wait4) +#define __NR_prlimit64 261 +__SYSCALL(__NR_prlimit64, sys_prlimit64) #undef __NR_syscalls -#define __NR_syscalls 261 +#define __NR_syscalls 262 /* * All syscalls below here should go away really, diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 9aa9bcadf869..9d65d4d0bd9c 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -39,6 +39,7 @@ header-y += ax25.h header-y += b1lli.h header-y += baycom.h header-y += bfs_fs.h +header-y += blk_types.h header-y += blkpg.h header-y += bpqether.h header-y += bsg.h @@ -210,6 +211,7 @@ unifdef-y += ethtool.h unifdef-y += eventpoll.h unifdef-y += signalfd.h unifdef-y += ext2_fs.h +unifdef-y += fanotify.h unifdef-y += fb.h unifdef-y += fcntl.h unifdef-y += filter.h diff --git a/include/linux/audit.h b/include/linux/audit.h index f391d45c8aea..e24afabc548f 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -544,7 +544,7 @@ extern int audit_signals; #define audit_putname(n) do { ; } while (0) #define __audit_inode(n,d) do { ; } while (0) #define __audit_inode_child(i,p) do { ; } while (0) -#define audit_inode(n,d) do { ; } while (0) +#define audit_inode(n,d) do { (void)(d); } while (0) #define audit_inode_child(i,p) do { ; } while (0) #define audit_core_dumps(i) do { ; } while (0) #define auditsc_get_stamp(c,t,s) (0) diff --git a/include/linux/auto_fs.h b/include/linux/auto_fs.h index 7b09c8348fd3..da64e15004b6 100644 --- a/include/linux/auto_fs.h +++ b/include/linux/auto_fs.h @@ -79,6 +79,7 @@ struct autofs_packet_expire { #define AUTOFS_IOC_FAIL _IO(0x93,0x61) #define AUTOFS_IOC_CATATONIC _IO(0x93,0x62) #define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int) +#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,compat_ulong_t) #define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long) #define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index e9aec0d099df..7628219e5386 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -45,22 +45,21 @@ enum bdi_stat_item { #define BDI_STAT_BATCH (8*(1+ilog2(nr_cpu_ids))) struct bdi_writeback { - struct list_head list; /* hangs off the bdi */ - - struct backing_dev_info *bdi; /* our parent bdi */ + struct backing_dev_info *bdi; /* our parent bdi */ unsigned int nr; - unsigned long last_old_flush; /* last old data flush */ + unsigned long last_old_flush; /* last old data flush */ + unsigned long last_active; /* last time bdi thread was active */ - struct task_struct *task; /* writeback task */ - struct list_head b_dirty; /* dirty inodes */ - struct list_head b_io; /* parked for writeback */ - struct list_head b_more_io; /* parked for more writeback */ + struct task_struct *task; /* writeback thread */ + struct timer_list wakeup_timer; /* used for delayed bdi thread wakeup */ + struct list_head b_dirty; /* dirty inodes */ + struct list_head b_io; /* parked for writeback */ + struct list_head b_more_io; /* parked for more writeback */ }; struct backing_dev_info { struct list_head bdi_list; - struct rcu_head rcu_head; unsigned long ra_pages; /* max readahead in PAGE_CACHE_SIZE units */ unsigned long state; /* Always use atomic bitops on this */ unsigned int capabilities; /* Device capabilities */ @@ -80,8 +79,7 @@ struct backing_dev_info { unsigned int max_ratio, max_prop_frac; struct bdi_writeback wb; /* default writeback info for this bdi */ - spinlock_t wb_lock; /* protects update side of wb_list */ - struct list_head wb_list; /* the flusher threads hanging off this bdi */ + spinlock_t wb_lock; /* protects work_list */ struct list_head work_list; @@ -105,9 +103,10 @@ void bdi_unregister(struct backing_dev_info *bdi); int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int); void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages); void bdi_start_background_writeback(struct backing_dev_info *bdi); -int bdi_writeback_task(struct bdi_writeback *wb); +int bdi_writeback_thread(void *data); int bdi_has_dirty_io(struct backing_dev_info *bdi); void bdi_arm_supers_timer(void); +void bdi_wakeup_thread_delayed(struct backing_dev_info *bdi); extern spinlock_t bdi_lock; extern struct list_head bdi_list; diff --git a/include/linux/bio.h b/include/linux/bio.h index 7fc5606e6ea5..5274103434ad 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -9,7 +9,7 @@ * * 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. * @@ -28,6 +28,9 @@ #include <asm/io.h> +/* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */ +#include <linux/blk_types.h> + #define BIO_DEBUG #ifdef BIO_DEBUG @@ -41,154 +44,6 @@ #define BIO_MAX_SECTORS (BIO_MAX_SIZE >> 9) /* - * was unsigned short, but we might as well be ready for > 64kB I/O pages - */ -struct bio_vec { - struct page *bv_page; - unsigned int bv_len; - unsigned int bv_offset; -}; - -struct bio_set; -struct bio; -struct bio_integrity_payload; -typedef void (bio_end_io_t) (struct bio *, int); -typedef void (bio_destructor_t) (struct bio *); - -/* - * main unit of I/O for the block layer and lower layers (ie drivers and - * stacking drivers) - */ -struct bio { - sector_t bi_sector; /* device address in 512 byte - sectors */ - struct bio *bi_next; /* request queue link */ - struct block_device *bi_bdev; - unsigned long bi_flags; /* status, command, etc */ - unsigned long bi_rw; /* bottom bits READ/WRITE, - * top bits priority - */ - - unsigned short bi_vcnt; /* how many bio_vec's */ - unsigned short bi_idx; /* current index into bvl_vec */ - - /* Number of segments in this BIO after - * physical address coalescing is performed. - */ - unsigned int bi_phys_segments; - - unsigned int bi_size; /* residual I/O count */ - - /* - * To keep track of the max segment size, we account for the - * sizes of the first and last mergeable segments in this bio. - */ - unsigned int bi_seg_front_size; - unsigned int bi_seg_back_size; - - unsigned int bi_max_vecs; /* max bvl_vecs we can hold */ - - unsigned int bi_comp_cpu; /* completion CPU */ - - atomic_t bi_cnt; /* pin count */ - - struct bio_vec *bi_io_vec; /* the actual vec list */ - - bio_end_io_t *bi_end_io; - - void *bi_private; -#if defined(CONFIG_BLK_DEV_INTEGRITY) - struct bio_integrity_payload *bi_integrity; /* data integrity */ -#endif - - bio_destructor_t *bi_destructor; /* destructor */ - - /* - * We can inline a number of vecs at the end of the bio, to avoid - * double allocations for a small number of bio_vecs. This member - * MUST obviously be kept at the very end of the bio. - */ - struct bio_vec bi_inline_vecs[0]; -}; - -/* - * bio flags - */ -#define BIO_UPTODATE 0 /* ok after I/O completion */ -#define BIO_RW_BLOCK 1 /* RW_AHEAD set, and read/write would block */ -#define BIO_EOF 2 /* out-out-bounds error */ -#define BIO_SEG_VALID 3 /* bi_phys_segments valid */ -#define BIO_CLONED 4 /* doesn't own data */ -#define BIO_BOUNCED 5 /* bio is a bounce bio */ -#define BIO_USER_MAPPED 6 /* contains user pages */ -#define BIO_EOPNOTSUPP 7 /* not supported */ -#define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */ -#define BIO_NULL_MAPPED 9 /* contains invalid user pages */ -#define BIO_FS_INTEGRITY 10 /* fs owns integrity data, not block layer */ -#define BIO_QUIET 11 /* Make BIO Quiet */ -#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) - -/* - * top 4 bits of bio flags indicate the pool this bio came from - */ -#define BIO_POOL_BITS (4) -#define BIO_POOL_NONE ((1UL << BIO_POOL_BITS) - 1) -#define BIO_POOL_OFFSET (BITS_PER_LONG - BIO_POOL_BITS) -#define BIO_POOL_MASK (1UL << BIO_POOL_OFFSET) -#define BIO_POOL_IDX(bio) ((bio)->bi_flags >> BIO_POOL_OFFSET) - -/* - * bio bi_rw flags - * - * bit 0 -- data direction - * If not set, bio is a read from device. If set, it's a write to device. - * bit 1 -- fail fast device errors - * bit 2 -- fail fast transport errors - * bit 3 -- fail fast driver errors - * bit 4 -- rw-ahead when set - * bit 5 -- barrier - * Insert a serialization point in the IO queue, forcing previously - * submitted IO to be completed before this one is issued. - * bit 6 -- synchronous I/O hint. - * bit 7 -- Unplug the device immediately after submitting this bio. - * bit 8 -- metadata request - * Used for tracing to differentiate metadata and data IO. May also - * get some preferential treatment in the IO scheduler - * bit 9 -- discard sectors - * Informs the lower level device that this range of sectors is no longer - * used by the file system and may thus be freed by the device. Used - * for flash based storage. - * Don't want driver retries for any fast fail whatever the reason. - * bit 10 -- Tell the IO scheduler not to wait for more requests after this - one has been submitted, even if it is a SYNC request. - */ -enum bio_rw_flags { - BIO_RW, - BIO_RW_FAILFAST_DEV, - BIO_RW_FAILFAST_TRANSPORT, - BIO_RW_FAILFAST_DRIVER, - /* above flags must match REQ_* */ - BIO_RW_AHEAD, - BIO_RW_BARRIER, - BIO_RW_SYNCIO, - BIO_RW_UNPLUG, - BIO_RW_META, - BIO_RW_DISCARD, - BIO_RW_NOIDLE, -}; - -/* - * First four bits must match between bio->bi_rw and rq->cmd_flags, make - * that explicit here. - */ -#define BIO_RW_RQ_MASK 0xf - -static inline bool bio_rw_flagged(struct bio *bio, enum bio_rw_flags flag) -{ - return (bio->bi_rw & (1 << flag)) != 0; -} - -/* * upper 16 bits of bi_rw define the io priority of this bio */ #define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS) @@ -211,7 +66,10 @@ static inline bool bio_rw_flagged(struct bio *bio, enum bio_rw_flags flag) #define bio_offset(bio) bio_iovec((bio))->bv_offset #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) #define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_empty_barrier(bio) (bio_rw_flagged(bio, BIO_RW_BARRIER) && !bio_has_data(bio) && !bio_rw_flagged(bio, BIO_RW_DISCARD)) +#define bio_empty_barrier(bio) \ + ((bio->bi_rw & REQ_HARDBARRIER) && \ + !bio_has_data(bio) && \ + !(bio->bi_rw & REQ_DISCARD)) static inline unsigned int bio_cur_bytes(struct bio *bio) { diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h new file mode 100644 index 000000000000..53691774d34e --- /dev/null +++ b/include/linux/blk_types.h @@ -0,0 +1,194 @@ +/* + * Block data types and constants. Directly include this file only to + * break include dependency loop. + */ +#ifndef __LINUX_BLK_TYPES_H +#define __LINUX_BLK_TYPES_H + +#ifdef CONFIG_BLOCK + +#include <linux/types.h> + +struct bio_set; +struct bio; +struct bio_integrity_payload; +struct page; +struct block_device; +typedef void (bio_end_io_t) (struct bio *, int); +typedef void (bio_destructor_t) (struct bio *); + +/* + * was unsigned short, but we might as well be ready for > 64kB I/O pages + */ +struct bio_vec { + struct page *bv_page; + unsigned int bv_len; + unsigned int bv_offset; +}; + +/* + * main unit of I/O for the block layer and lower layers (ie drivers and + * stacking drivers) + */ +struct bio { + sector_t bi_sector; /* device address in 512 byte + sectors */ + struct bio *bi_next; /* request queue link */ + struct block_device *bi_bdev; + unsigned long bi_flags; /* status, command, etc */ + unsigned long bi_rw; /* bottom bits READ/WRITE, + * top bits priority + */ + + unsigned short bi_vcnt; /* how many bio_vec's */ + unsigned short bi_idx; /* current index into bvl_vec */ + + /* Number of segments in this BIO after + * physical address coalescing is performed. + */ + unsigned int bi_phys_segments; + + unsigned int bi_size; /* residual I/O count */ + + /* + * To keep track of the max segment size, we account for the + * sizes of the first and last mergeable segments in this bio. + */ + unsigned int bi_seg_front_size; + unsigned int bi_seg_back_size; + + unsigned int bi_max_vecs; /* max bvl_vecs we can hold */ + + unsigned int bi_comp_cpu; /* completion CPU */ + + atomic_t bi_cnt; /* pin count */ + + struct bio_vec *bi_io_vec; /* the actual vec list */ + + bio_end_io_t *bi_end_io; + + void *bi_private; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + struct bio_integrity_payload *bi_integrity; /* data integrity */ +#endif + + bio_destructor_t *bi_destructor; /* destructor */ + + /* + * We can inline a number of vecs at the end of the bio, to avoid + * double allocations for a small number of bio_vecs. This member + * MUST obviously be kept at the very end of the bio. + */ + struct bio_vec bi_inline_vecs[0]; +}; + +/* + * bio flags + */ +#define BIO_UPTODATE 0 /* ok after I/O completion */ +#define BIO_RW_BLOCK 1 /* RW_AHEAD set, and read/write would block */ +#define BIO_EOF 2 /* out-out-bounds error */ +#define BIO_SEG_VALID 3 /* bi_phys_segments valid */ +#define BIO_CLONED 4 /* doesn't own data */ +#define BIO_BOUNCED 5 /* bio is a bounce bio */ +#define BIO_USER_MAPPED 6 /* contains user pages */ +#define BIO_EOPNOTSUPP 7 /* not supported */ +#define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */ +#define BIO_NULL_MAPPED 9 /* contains invalid user pages */ +#define BIO_FS_INTEGRITY 10 /* fs owns integrity data, not block layer */ +#define BIO_QUIET 11 /* Make BIO Quiet */ +#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) + +/* + * top 4 bits of bio flags indicate the pool this bio came from + */ +#define BIO_POOL_BITS (4) +#define BIO_POOL_NONE ((1UL << BIO_POOL_BITS) - 1) +#define BIO_POOL_OFFSET (BITS_PER_LONG - BIO_POOL_BITS) +#define BIO_POOL_MASK (1UL << BIO_POOL_OFFSET) +#define BIO_POOL_IDX(bio) ((bio)->bi_flags >> BIO_POOL_OFFSET) + +#endif /* CONFIG_BLOCK */ + +/* + * Request flags. For use in the cmd_flags field of struct request, and in + * bi_rw of struct bio. Note that some flags are only valid in either one. + */ +enum rq_flag_bits { + /* common flags */ + __REQ_WRITE, /* not set, read. set, write */ + __REQ_FAILFAST_DEV, /* no driver retries of device errors */ + __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ + __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ + + __REQ_HARDBARRIER, /* may not be passed by drive either */ + __REQ_SYNC, /* request is sync (sync write or read) */ + __REQ_META, /* metadata io request */ + __REQ_DISCARD, /* request to discard sectors */ + __REQ_NOIDLE, /* don't anticipate more IO after this one */ + + /* bio only flags */ + __REQ_UNPLUG, /* unplug the immediately after submission */ + __REQ_RAHEAD, /* read ahead, can fail anytime */ + + /* request only flags */ + __REQ_SORTED, /* elevator knows about this request */ + __REQ_SOFTBARRIER, /* may not be passed by ioscheduler */ + __REQ_FUA, /* forced unit access */ + __REQ_NOMERGE, /* don't touch this for merging */ + __REQ_STARTED, /* drive already may have started this one */ + __REQ_DONTPREP, /* don't call prep for this one */ + __REQ_QUEUED, /* uses queueing */ + __REQ_ELVPRIV, /* elevator private data attached */ + __REQ_FAILED, /* set if the request failed */ + __REQ_QUIET, /* don't worry about errors */ + __REQ_PREEMPT, /* set for "ide_preempt" requests */ + __REQ_ORDERED_COLOR, /* is before or after barrier */ + __REQ_ALLOCED, /* request came from our alloc pool */ + __REQ_COPY_USER, /* contains copies of user pages */ + __REQ_INTEGRITY, /* integrity metadata has been remapped */ + __REQ_FLUSH, /* request for cache flush */ + __REQ_IO_STAT, /* account I/O stat */ + __REQ_MIXED_MERGE, /* merge of different types, fail separately */ + __REQ_NR_BITS, /* stops here */ +}; + +#define REQ_WRITE (1 << __REQ_WRITE) +#define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) +#define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) +#define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) +#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) +#define REQ_SYNC (1 << __REQ_SYNC) +#define REQ_META (1 << __REQ_META) +#define REQ_DISCARD (1 << __REQ_DISCARD) +#define REQ_NOIDLE (1 << __REQ_NOIDLE) + +#define REQ_FAILFAST_MASK \ + (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) +#define REQ_COMMON_MASK \ + (REQ_WRITE | REQ_FAILFAST_MASK | REQ_HARDBARRIER | REQ_SYNC | \ + REQ_META| REQ_DISCARD | REQ_NOIDLE) + +#define REQ_UNPLUG (1 << __REQ_UNPLUG) +#define REQ_RAHEAD (1 << __REQ_RAHEAD) + +#define REQ_SORTED (1 << __REQ_SORTED) +#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER) +#define REQ_FUA (1 << __REQ_FUA) +#define REQ_NOMERGE (1 << __REQ_NOMERGE) +#define REQ_STARTED (1 << __REQ_STARTED) +#define REQ_DONTPREP (1 << __REQ_DONTPREP) +#define REQ_QUEUED (1 << __REQ_QUEUED) +#define REQ_ELVPRIV (1 << __REQ_ELVPRIV) +#define REQ_FAILED (1 << __REQ_FAILED) +#define REQ_QUIET (1 << __REQ_QUIET) +#define REQ_PREEMPT (1 << __REQ_PREEMPT) +#define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR) +#define REQ_ALLOCED (1 << __REQ_ALLOCED) +#define REQ_COPY_USER (1 << __REQ_COPY_USER) +#define REQ_INTEGRITY (1 << __REQ_INTEGRITY) +#define REQ_FLUSH (1 << __REQ_FLUSH) +#define REQ_IO_STAT (1 << __REQ_IO_STAT) +#define REQ_MIXED_MERGE (1 << __REQ_MIXED_MERGE) + +#endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 09a840264d6f..89c855c5655c 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -60,7 +60,6 @@ enum rq_cmd_type_bits { REQ_TYPE_PM_RESUME, /* resume request */ REQ_TYPE_PM_SHUTDOWN, /* shutdown request */ REQ_TYPE_SPECIAL, /* driver defined type */ - REQ_TYPE_LINUX_BLOCK, /* generic block layer message */ /* * for ATA/ATAPI devices. this really doesn't belong here, ide should * use REQ_TYPE_SPECIAL and use rq->cmd[0] with the range of driver @@ -70,84 +69,6 @@ enum rq_cmd_type_bits { REQ_TYPE_ATA_PC, }; -/* - * For request of type REQ_TYPE_LINUX_BLOCK, rq->cmd[0] is the opcode being - * sent down (similar to how REQ_TYPE_BLOCK_PC means that ->cmd[] holds a - * SCSI cdb. - * - * 0x00 -> 0x3f are driver private, to be used for whatever purpose they need, - * typically to differentiate REQ_TYPE_SPECIAL requests. - * - */ -enum { - REQ_LB_OP_EJECT = 0x40, /* eject request */ - REQ_LB_OP_FLUSH = 0x41, /* flush request */ -}; - -/* - * request type modified bits. first four bits match BIO_RW* bits, important - */ -enum rq_flag_bits { - __REQ_RW, /* not set, read. set, write */ - __REQ_FAILFAST_DEV, /* no driver retries of device errors */ - __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ - __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ - /* above flags must match BIO_RW_* */ - __REQ_DISCARD, /* request to discard sectors */ - __REQ_SORTED, /* elevator knows about this request */ - __REQ_SOFTBARRIER, /* may not be passed by ioscheduler */ - __REQ_HARDBARRIER, /* may not be passed by drive either */ - __REQ_FUA, /* forced unit access */ - __REQ_NOMERGE, /* don't touch this for merging */ - __REQ_STARTED, /* drive already may have started this one */ - __REQ_DONTPREP, /* don't call prep for this one */ - __REQ_QUEUED, /* uses queueing */ - __REQ_ELVPRIV, /* elevator private data attached */ - __REQ_FAILED, /* set if the request failed */ - __REQ_QUIET, /* don't worry about errors */ - __REQ_PREEMPT, /* set for "ide_preempt" requests */ - __REQ_ORDERED_COLOR, /* is before or after barrier */ - __REQ_RW_SYNC, /* request is sync (sync write or read) */ - __REQ_ALLOCED, /* request came from our alloc pool */ - __REQ_RW_META, /* metadata io request */ - __REQ_COPY_USER, /* contains copies of user pages */ - __REQ_INTEGRITY, /* integrity metadata has been remapped */ - __REQ_NOIDLE, /* Don't anticipate more IO after this one */ - __REQ_IO_STAT, /* account I/O stat */ - __REQ_MIXED_MERGE, /* merge of different types, fail separately */ - __REQ_NR_BITS, /* stops here */ -}; - -#define REQ_RW (1 << __REQ_RW) -#define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) -#define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) -#define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) -#define REQ_DISCARD (1 << __REQ_DISCARD) -#define REQ_SORTED (1 << __REQ_SORTED) -#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER) -#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) -#define REQ_FUA (1 << __REQ_FUA) -#define REQ_NOMERGE (1 << __REQ_NOMERGE) -#define REQ_STARTED (1 << __REQ_STARTED) -#define REQ_DONTPREP (1 << __REQ_DONTPREP) -#define REQ_QUEUED (1 << __REQ_QUEUED) -#define REQ_ELVPRIV (1 << __REQ_ELVPRIV) -#define REQ_FAILED (1 << __REQ_FAILED) -#define REQ_QUIET (1 << __REQ_QUIET) -#define REQ_PREEMPT (1 << __REQ_PREEMPT) -#define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR) -#define REQ_RW_SYNC (1 << __REQ_RW_SYNC) -#define REQ_ALLOCED (1 << __REQ_ALLOCED) -#define REQ_RW_META (1 << __REQ_RW_META) -#define REQ_COPY_USER (1 << __REQ_COPY_USER) -#define REQ_INTEGRITY (1 << __REQ_INTEGRITY) -#define REQ_NOIDLE (1 << __REQ_NOIDLE) -#define REQ_IO_STAT (1 << __REQ_IO_STAT) -#define REQ_MIXED_MERGE (1 << __REQ_MIXED_MERGE) - -#define REQ_FAILFAST_MASK (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | \ - REQ_FAILFAST_DRIVER) - #define BLK_MAX_CDB 16 /* @@ -264,6 +185,7 @@ struct request_pm_state typedef void (request_fn_proc) (struct request_queue *q); typedef int (make_request_fn) (struct request_queue *q, struct bio *bio); typedef int (prep_rq_fn) (struct request_queue *, struct request *); +typedef void (unprep_rq_fn) (struct request_queue *, struct request *); typedef void (unplug_fn) (struct request_queue *); struct bio_vec; @@ -275,7 +197,6 @@ struct bvec_merge_data { }; typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *, struct bio_vec *); -typedef void (prepare_flush_fn) (struct request_queue *, struct request *); typedef void (softirq_done_fn)(struct request *); typedef int (dma_drain_needed_fn)(struct request *); typedef int (lld_busy_fn) (struct request_queue *q); @@ -346,9 +267,9 @@ struct request_queue request_fn_proc *request_fn; make_request_fn *make_request_fn; prep_rq_fn *prep_rq_fn; + unprep_rq_fn *unprep_rq_fn; unplug_fn *unplug_fn; merge_bvec_fn *merge_bvec_fn; - prepare_flush_fn *prepare_flush_fn; softirq_done_fn *softirq_done_fn; rq_timed_out_fn *rq_timed_out_fn; dma_drain_needed_fn *dma_drain_needed; @@ -467,11 +388,13 @@ struct request_queue #define QUEUE_FLAG_IO_STAT 15 /* do IO stats */ #define QUEUE_FLAG_DISCARD 16 /* supports DISCARD */ #define QUEUE_FLAG_NOXMERGES 17 /* No extended merges */ +#define QUEUE_FLAG_ADD_RANDOM 18 /* Contributes to random pool */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_CLUSTER) | \ (1 << QUEUE_FLAG_STACKABLE) | \ - (1 << QUEUE_FLAG_SAME_COMP)) + (1 << QUEUE_FLAG_SAME_COMP) | \ + (1 << QUEUE_FLAG_ADD_RANDOM)) static inline int queue_is_locked(struct request_queue *q) { @@ -596,38 +519,26 @@ enum { test_bit(QUEUE_FLAG_NOXMERGES, &(q)->queue_flags) #define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags) #define blk_queue_io_stat(q) test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags) +#define blk_queue_add_random(q) test_bit(QUEUE_FLAG_ADD_RANDOM, &(q)->queue_flags) #define blk_queue_flushing(q) ((q)->ordseq) #define blk_queue_stackable(q) \ test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags) #define blk_queue_discard(q) test_bit(QUEUE_FLAG_DISCARD, &(q)->queue_flags) -#define blk_fs_request(rq) ((rq)->cmd_type == REQ_TYPE_FS) -#define blk_pc_request(rq) ((rq)->cmd_type == REQ_TYPE_BLOCK_PC) -#define blk_special_request(rq) ((rq)->cmd_type == REQ_TYPE_SPECIAL) -#define blk_sense_request(rq) ((rq)->cmd_type == REQ_TYPE_SENSE) - -#define blk_failfast_dev(rq) ((rq)->cmd_flags & REQ_FAILFAST_DEV) -#define blk_failfast_transport(rq) ((rq)->cmd_flags & REQ_FAILFAST_TRANSPORT) -#define blk_failfast_driver(rq) ((rq)->cmd_flags & REQ_FAILFAST_DRIVER) -#define blk_noretry_request(rq) (blk_failfast_dev(rq) || \ - blk_failfast_transport(rq) || \ - blk_failfast_driver(rq)) -#define blk_rq_started(rq) ((rq)->cmd_flags & REQ_STARTED) -#define blk_rq_io_stat(rq) ((rq)->cmd_flags & REQ_IO_STAT) -#define blk_rq_quiet(rq) ((rq)->cmd_flags & REQ_QUIET) - -#define blk_account_rq(rq) (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) - -#define blk_pm_suspend_request(rq) ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND) -#define blk_pm_resume_request(rq) ((rq)->cmd_type == REQ_TYPE_PM_RESUME) +#define blk_noretry_request(rq) \ + ((rq)->cmd_flags & (REQ_FAILFAST_DEV|REQ_FAILFAST_TRANSPORT| \ + REQ_FAILFAST_DRIVER)) + +#define blk_account_rq(rq) \ + (((rq)->cmd_flags & REQ_STARTED) && \ + ((rq)->cmd_type == REQ_TYPE_FS || \ + ((rq)->cmd_flags & REQ_DISCARD))) + #define blk_pm_request(rq) \ - (blk_pm_suspend_request(rq) || blk_pm_resume_request(rq)) + ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND || \ + (rq)->cmd_type == REQ_TYPE_PM_RESUME) #define blk_rq_cpu_valid(rq) ((rq)->cpu != -1) -#define blk_sorted_rq(rq) ((rq)->cmd_flags & REQ_SORTED) -#define blk_barrier_rq(rq) ((rq)->cmd_flags & REQ_HARDBARRIER) -#define blk_fua_rq(rq) ((rq)->cmd_flags & REQ_FUA) -#define blk_discard_rq(rq) ((rq)->cmd_flags & REQ_DISCARD) #define blk_bidi_rq(rq) ((rq)->next_rq != NULL) /* rq->queuelist of dequeued request must be list_empty() */ #define blk_queued_rq(rq) (!list_empty(&(rq)->queuelist)) @@ -641,7 +552,7 @@ enum { */ static inline bool rw_is_sync(unsigned int rw_flags) { - return !(rw_flags & REQ_RW) || (rw_flags & REQ_RW_SYNC); + return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC); } static inline bool rq_is_sync(struct request *rq) @@ -649,9 +560,6 @@ static inline bool rq_is_sync(struct request *rq) return rw_is_sync(rq->cmd_flags); } -#define rq_is_meta(rq) ((rq)->cmd_flags & REQ_RW_META) -#define rq_noidle(rq) ((rq)->cmd_flags & REQ_NOIDLE) - static inline int blk_queue_full(struct request_queue *q, int sync) { if (sync) @@ -684,7 +592,8 @@ static inline void blk_clear_queue_full(struct request_queue *q, int sync) (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER) #define rq_mergeable(rq) \ (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \ - (blk_discard_rq(rq) || blk_fs_request((rq)))) + (((rq)->cmd_flags & REQ_DISCARD) || \ + (rq)->cmd_type == REQ_TYPE_FS)) /* * q->prep_rq_fn return values @@ -709,7 +618,7 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn; #define BLK_BOUNCE_HIGH -1ULL #endif #define BLK_BOUNCE_ANY (-1ULL) -#define BLK_BOUNCE_ISA (ISA_DMA_THRESHOLD) +#define BLK_BOUNCE_ISA (DMA_BIT_MASK(24)) /* * default timeout for SG_IO if none specified @@ -781,6 +690,8 @@ extern struct request *blk_make_request(struct request_queue *, struct bio *, gfp_t); extern void blk_insert_request(struct request_queue *, struct request *, int, void *); extern void blk_requeue_request(struct request_queue *, struct request *); +extern void blk_add_request_payload(struct request *rq, struct page *page, + unsigned int len); extern int blk_rq_check_limits(struct request_queue *q, struct request *rq); extern int blk_lld_busy(struct request_queue *q); extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src, @@ -915,6 +826,7 @@ extern void blk_complete_request(struct request *); extern void __blk_complete_request(struct request *); extern void blk_abort_request(struct request *); extern void blk_abort_queue(struct request_queue *); +extern void blk_unprep_request(struct request *); /* * Access functions for manipulating queue properties @@ -959,6 +871,7 @@ extern int blk_queue_dma_drain(struct request_queue *q, extern void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn); extern void blk_queue_segment_boundary(struct request_queue *, unsigned long); extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn); +extern void blk_queue_unprep_rq(struct request_queue *, unprep_rq_fn *ufn); extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *); extern void blk_queue_dma_alignment(struct request_queue *, int); extern void blk_queue_update_dma_alignment(struct request_queue *, int); @@ -966,7 +879,7 @@ extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *); extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *); extern void blk_queue_rq_timeout(struct request_queue *, unsigned int); extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); -extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *); +extern int blk_queue_ordered(struct request_queue *, unsigned); extern bool blk_do_ordered(struct request_queue *, struct request **); extern unsigned blk_ordered_cur_seq(struct request_queue *); extern unsigned blk_ordered_req_seq(struct request *); @@ -1020,7 +933,7 @@ static inline int sb_issue_discard(struct super_block *sb, { block <<= (sb->s_blocksize_bits - 9); nr_blocks <<= (sb->s_blocksize_bits - 9); - return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL, + return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_NOFS, BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER); } @@ -1333,7 +1246,6 @@ static inline int blk_integrity_rq(struct request *rq) struct block_device_operations { int (*open) (struct block_device *, fmode_t); int (*release) (struct gendisk *, fmode_t); - int (*locked_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*direct_access) (struct block_device *, sector_t, diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 416bf62d6d46..3395cf7130f5 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -5,6 +5,7 @@ #ifdef __KERNEL__ #include <linux/blkdev.h> #include <linux/relay.h> +#include <linux/compat.h> #endif /* @@ -220,11 +221,26 @@ static inline int blk_trace_init_sysfs(struct device *dev) #endif /* CONFIG_BLK_DEV_IO_TRACE */ +#ifdef CONFIG_COMPAT + +struct compat_blk_user_trace_setup { + char name[32]; + u16 act_mask; + u32 buf_size; + u32 buf_nr; + compat_u64 start_lba; + compat_u64 end_lba; + u32 pid; +}; +#define BLKTRACESETUP32 _IOWR(0x12, 115, struct compat_blk_user_trace_setup) + +#endif + #if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK) static inline int blk_cmd_buf_len(struct request *rq) { - return blk_pc_request(rq) ? rq->cmd_len * 3 : 1; + return (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? rq->cmd_len * 3 : 1; } extern void blk_dump_cmd(char *buf, struct request *rq); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 2ce51fac7d3d..43e649a72529 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -203,12 +203,10 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block, int block_read_full_page(struct page*, get_block_t*); int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc, unsigned long from); -int block_write_begin_newtrunc(struct file *, struct address_space *, - loff_t, unsigned, unsigned, - struct page **, void **, get_block_t*); -int block_write_begin(struct file *, struct address_space *, - loff_t, unsigned, unsigned, - struct page **, void **, get_block_t*); +int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len, + unsigned flags, struct page **pagep, get_block_t *get_block); +int __block_write_begin(struct page *page, loff_t pos, unsigned len, + get_block_t *get_block); int block_write_end(struct file *, struct address_space *, loff_t, unsigned, unsigned, struct page *, void *); @@ -217,9 +215,6 @@ int generic_write_end(struct file *, struct address_space *, struct page *, void *); void page_zero_new_buffers(struct page *page, unsigned from, unsigned to); int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*); -int cont_write_begin_newtrunc(struct file *, struct address_space *, loff_t, - unsigned, unsigned, struct page **, void **, - get_block_t *, loff_t *); int cont_write_begin(struct file *, struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t *, loff_t *); @@ -230,12 +225,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, void block_sync_page(struct page *); sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int block_truncate_page(struct address_space *, loff_t, get_block_t *); -int file_fsync(struct file *, int); -int nobh_write_begin_newtrunc(struct file *, struct address_space *, - loff_t, unsigned, unsigned, - struct page **, void **, get_block_t*); -int nobh_write_begin(struct file *, struct address_space *, - loff_t, unsigned, unsigned, +int nobh_write_begin(struct address_space *, loff_t, unsigned, unsigned, struct page **, void **, get_block_t*); int nobh_write_end(struct file *, struct address_space *, loff_t, unsigned, unsigned, diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 8859e2ede9fe..284b520934a0 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -86,9 +86,9 @@ struct upc_req { wait_queue_head_t uc_sleep; /* process' wait queue */ }; -#define REQ_ASYNC 0x1 -#define REQ_READ 0x2 -#define REQ_WRITE 0x4 -#define REQ_ABORT 0x8 +#define CODA_REQ_ASYNC 0x1 +#define CODA_REQ_READ 0x2 +#define CODA_REQ_WRITE 0x4 +#define CODA_REQ_ABORT 0x8 #endif diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index 38fe59dc89ae..7f0c32908568 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -21,6 +21,8 @@ struct vt_struct; #define NPAR 16 struct vc_data { + struct tty_port port; /* Upper level data */ + unsigned short vc_num; /* Console number */ unsigned int vc_cols; /* [#] Console size */ unsigned int vc_rows; @@ -56,7 +58,6 @@ struct vc_data { /* VT terminal data */ unsigned int vc_state; /* Escape sequence parser state */ unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ - struct tty_struct *vc_tty; /* TTY we are attached to */ /* data for manual vt switching */ struct vt_mode vt_mode; struct pid *vt_pid; @@ -105,6 +106,7 @@ struct vc_data { struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ unsigned long vc_uni_pagedir; unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ + bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */ /* additional information is in vt_kern.h */ }; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index eebb617c17d8..d23be0386e2d 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -315,6 +315,7 @@ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); extern char *__d_path(const struct path *path, struct path *root, char *, int); extern char *d_path(const struct path *, char *, int); +extern char *__dentry_path(struct dentry *, char *, int); extern char *dentry_path(struct dentry *, char *, int); /* Allocation counts.. */ diff --git a/include/linux/dnotify.h b/include/linux/dnotify.h index ecc06286226d..3290555a52ee 100644 --- a/include/linux/dnotify.h +++ b/include/linux/dnotify.h @@ -28,6 +28,7 @@ struct dnotify_struct { FS_CREATE | FS_DN_RENAME |\ FS_MOVED_FROM | FS_MOVED_TO) +extern int dir_notify_enable; extern void dnotify_flush(struct file *, fl_owner_t); extern int fcntl_dirnotify(int, struct file *, unsigned long); diff --git a/include/linux/drbd.h b/include/linux/drbd.h index b8d2516668aa..479ee3a1d901 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -53,7 +53,7 @@ extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.8" +#define REL_VERSION "8.3.8.1" #define API_VERSION 88 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 94 diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index ce77a746fc9d..5f042810a56c 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -78,10 +78,11 @@ NL_PACKET(syncer_conf, 8, NL_INTEGER( 30, T_MAY_IGNORE, rate) NL_INTEGER( 31, T_MAY_IGNORE, after) NL_INTEGER( 32, T_MAY_IGNORE, al_extents) - NL_INTEGER( 71, T_MAY_IGNORE, dp_volume) - NL_INTEGER( 72, T_MAY_IGNORE, dp_interval) - NL_INTEGER( 73, T_MAY_IGNORE, throttle_th) - NL_INTEGER( 74, T_MAY_IGNORE, hold_off_th) +/* NL_INTEGER( 71, T_MAY_IGNORE, dp_volume) + * NL_INTEGER( 72, T_MAY_IGNORE, dp_interval) + * NL_INTEGER( 73, T_MAY_IGNORE, throttle_th) + * NL_INTEGER( 74, T_MAY_IGNORE, hold_off_th) + * feature will be reimplemented differently with 8.3.9 */ NL_STRING( 52, T_MAY_IGNORE, verify_alg, SHARED_SECRET_MAX) NL_STRING( 51, T_MAY_IGNORE, cpu_mask, 32) NL_STRING( 64, T_MAY_IGNORE, csums_alg, SHARED_SECRET_MAX) diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 3d3a9915dde2..6ce1bca01724 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -895,7 +895,7 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, extern struct inode *ext3_iget(struct super_block *, unsigned long); extern int ext3_write_inode (struct inode *, struct writeback_control *); extern int ext3_setattr (struct dentry *, struct iattr *); -extern void ext3_delete_inode (struct inode *); +extern void ext3_evict_inode (struct inode *); extern int ext3_sync_inode (handle_t *, struct inode *); extern void ext3_discard_reservation (struct inode *); extern void ext3_dirty_inode(struct inode *); diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h new file mode 100644 index 000000000000..f0949a57ca9d --- /dev/null +++ b/include/linux/fanotify.h @@ -0,0 +1,105 @@ +#ifndef _LINUX_FANOTIFY_H +#define _LINUX_FANOTIFY_H + +#include <linux/types.h> + +/* the following events that user-space can register for */ +#define FAN_ACCESS 0x00000001 /* File was accessed */ +#define FAN_MODIFY 0x00000002 /* File was modified */ +#define FAN_CLOSE_WRITE 0x00000008 /* Unwrittable file closed */ +#define FAN_CLOSE_NOWRITE 0x00000010 /* Writtable file closed */ +#define FAN_OPEN 0x00000020 /* File was opened */ + +#define FAN_EVENT_ON_CHILD 0x08000000 /* interested in child events */ + +/* FIXME currently Q's have no limit.... */ +#define FAN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ + +#define FAN_OPEN_PERM 0x00010000 /* File open in perm check */ +#define FAN_ACCESS_PERM 0x00020000 /* File accessed in perm check */ + +/* helper events */ +#define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */ + +/* flags used for fanotify_init() */ +#define FAN_CLOEXEC 0x00000001 +#define FAN_NONBLOCK 0x00000002 + +#define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC | FAN_NONBLOCK) + +/* flags used for fanotify_modify_mark() */ +#define FAN_MARK_ADD 0x00000001 +#define FAN_MARK_REMOVE 0x00000002 +#define FAN_MARK_DONT_FOLLOW 0x00000004 +#define FAN_MARK_ONLYDIR 0x00000008 +#define FAN_MARK_MOUNT 0x00000010 +#define FAN_MARK_IGNORED_MASK 0x00000020 +#define FAN_MARK_IGNORED_SURV_MODIFY 0x00000040 +#define FAN_MARK_FLUSH 0x00000080 + +#define FAN_ALL_MARK_FLAGS (FAN_MARK_ADD |\ + FAN_MARK_REMOVE |\ + FAN_MARK_DONT_FOLLOW |\ + FAN_MARK_ONLYDIR |\ + FAN_MARK_MOUNT |\ + FAN_MARK_IGNORED_MASK |\ + FAN_MARK_IGNORED_SURV_MODIFY) + +/* + * All of the events - we build the list by hand so that we can add flags in + * the future and not break backward compatibility. Apps will get only the + * events that they originally wanted. Be sure to add new events here! + */ +#define FAN_ALL_EVENTS (FAN_ACCESS |\ + FAN_MODIFY |\ + FAN_CLOSE |\ + FAN_OPEN) + +/* + * All events which require a permission response from userspace + */ +#define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM |\ + FAN_ACCESS_PERM) + +#define FAN_ALL_OUTGOING_EVENTS (FAN_ALL_EVENTS |\ + FAN_ALL_PERM_EVENTS |\ + FAN_Q_OVERFLOW) + +#define FANOTIFY_METADATA_VERSION 1 + +struct fanotify_event_metadata { + __u32 event_len; + __u32 vers; + __s32 fd; + __u64 mask; + __s64 pid; +} __attribute__ ((packed)); + +struct fanotify_response { + __s32 fd; + __u32 response; +} __attribute__ ((packed)); + +/* Legit userspace responses to a _PERM event */ +#define FAN_ALLOW 0x01 +#define FAN_DENY 0x02 + +/* Helper functions to deal with fanotify_event_metadata buffers */ +#define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata)) + +#define FAN_EVENT_NEXT(meta, len) ((len) -= (meta)->event_len, \ + (struct fanotify_event_metadata*)(((char *)(meta)) + \ + (meta)->event_len)) + +#define FAN_EVENT_OK(meta, len) ((long)(len) >= (long)FAN_EVENT_METADATA_LEN && \ + (long)(meta)->event_len >= (long)FAN_EVENT_METADATA_LEN && \ + (long)(meta)->event_len <= (long)(len)) + +#ifdef __KERNEL__ + +struct fanotify_wait { + struct fsnotify_event *event; + __s32 fd; +}; +#endif /* __KERNEL__ */ +#endif /* _LINUX_FANOTIFY_H */ diff --git a/include/linux/fb.h b/include/linux/fb.h index 0c5659c41b01..f0268deca658 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -825,6 +825,10 @@ struct fb_tile_ops { */ #define FBINFO_BE_MATH 0x100000 +/* report to the VT layer that this fb driver can accept forced console + output like oopses */ +#define FBINFO_CAN_FORCE_OUTPUT 0x200000 + struct fb_info { int node; int flags; diff --git a/include/linux/fs.h b/include/linux/fs.h index 488efec09d14..1542e0e52b2e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -8,6 +8,7 @@ #include <linux/limits.h> #include <linux/ioctl.h> +#include <linux/blk_types.h> /* * It's silly to have NR_OPEN bigger than NR_FILE, but you can change @@ -91,6 +92,9 @@ struct inodes_stat_t { /* Expect random access pattern */ #define FMODE_RANDOM ((__force fmode_t)0x1000) +/* File was opened by fanotify and shouldn't generate fanotify events */ +#define FMODE_NONOTIFY ((__force fmode_t)16777216) /* 0x1000000 */ + /* * The below are the various read and write types that we support. Some of * them include behavioral modifiers that send information down to the @@ -118,7 +122,7 @@ struct inodes_stat_t { * immediately wait on this read without caring about * unplugging. * READA Used for read-ahead operations. Lower priority, and the - * block layer could (in theory) choose to ignore this + * block layer could (in theory) choose to ignore this * request if it runs into resource problems. * WRITE A normal async write. Device will be plugged. * SWRITE Like WRITE, but a special case for ll_rw_block() that @@ -137,7 +141,7 @@ struct inodes_stat_t { * SWRITE_SYNC * SWRITE_SYNC_PLUG Like WRITE_SYNC/WRITE_SYNC_PLUG, but locks the buffer. * See SWRITE. - * WRITE_BARRIER Like WRITE, but tells the block layer that all + * WRITE_BARRIER Like WRITE_SYNC, but tells the block layer that all * previously submitted writes must be safely on storage * before this one is started. Also guarantees that when * this write is complete, it itself is also safely on @@ -145,29 +149,31 @@ struct inodes_stat_t { * of this IO. * */ -#define RW_MASK 1 -#define RWA_MASK 2 -#define READ 0 -#define WRITE 1 -#define READA 2 /* read-ahead - don't block if no resources */ -#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */ -#define READ_SYNC (READ | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG)) -#define READ_META (READ | (1 << BIO_RW_META)) -#define WRITE_SYNC_PLUG (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE)) -#define WRITE_SYNC (WRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG)) -#define WRITE_ODIRECT_PLUG (WRITE | (1 << BIO_RW_SYNCIO)) -#define WRITE_META (WRITE | (1 << BIO_RW_META)) -#define SWRITE_SYNC_PLUG \ - (SWRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE)) -#define SWRITE_SYNC (SWRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG)) -#define WRITE_BARRIER (WRITE | (1 << BIO_RW_BARRIER)) +#define RW_MASK REQ_WRITE +#define RWA_MASK REQ_RAHEAD + +#define READ 0 +#define WRITE RW_MASK +#define READA RWA_MASK +#define SWRITE (WRITE | READA) + +#define READ_SYNC (READ | REQ_SYNC | REQ_UNPLUG) +#define READ_META (READ | REQ_META) +#define WRITE_SYNC_PLUG (WRITE | REQ_SYNC | REQ_NOIDLE) +#define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG) +#define WRITE_ODIRECT_PLUG (WRITE | REQ_SYNC) +#define WRITE_META (WRITE | REQ_META) +#define WRITE_BARRIER (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ + REQ_HARDBARRIER) +#define SWRITE_SYNC_PLUG (SWRITE | REQ_SYNC | REQ_NOIDLE) +#define SWRITE_SYNC (SWRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG) /* * These aren't really reads or writes, they pass down information about * parts of device that are now unused by the file system. */ -#define DISCARD_NOBARRIER (WRITE | (1 << BIO_RW_DISCARD)) -#define DISCARD_BARRIER (DISCARD_NOBARRIER | (1 << BIO_RW_BARRIER)) +#define DISCARD_NOBARRIER (WRITE | REQ_DISCARD) +#define DISCARD_BARRIER (WRITE | REQ_DISCARD | REQ_HARDBARRIER) #define SEL_IN 1 #define SEL_OUT 2 @@ -210,6 +216,7 @@ struct inodes_stat_t { #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ #define MS_I_VERSION (1<<23) /* Update inode I_version field */ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */ +#define MS_BORN (1<<29) #define MS_ACTIVE (1<<30) #define MS_NOUSER (1<<31) @@ -408,9 +415,6 @@ extern int get_max_files(void); extern int sysctl_nr_open; extern struct inodes_stat_t inodes_stat; extern int leases_enable, lease_break_time; -#ifdef CONFIG_DNOTIFY -extern int dir_notify_enable; -#endif struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, @@ -771,12 +775,7 @@ struct inode { #ifdef CONFIG_FSNOTIFY __u32 i_fsnotify_mask; /* all events this inode cares about */ - struct hlist_head i_fsnotify_mark_entries; /* fsnotify mark entries */ -#endif - -#ifdef CONFIG_INOTIFY - struct list_head inotify_watches; /* watches on this inode */ - struct mutex inotify_mutex; /* protects the watches list */ + struct hlist_head i_fsnotify_marks; #endif unsigned long i_state; @@ -1564,8 +1563,8 @@ struct super_operations { void (*dirty_inode) (struct inode *); int (*write_inode) (struct inode *, struct writeback_control *wbc); - void (*drop_inode) (struct inode *); - void (*delete_inode) (struct inode *); + int (*drop_inode) (struct inode *); + void (*evict_inode) (struct inode *); void (*put_super) (struct super_block *); void (*write_super) (struct super_block *); int (*sync_fs)(struct super_block *sb, int wait); @@ -1573,7 +1572,6 @@ struct super_operations { int (*unfreeze_fs) (struct super_block *); int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); - void (*clear_inode) (struct inode *); void (*umount_begin) (struct super_block *); int (*show_options)(struct seq_file *, struct vfsmount *); @@ -1618,8 +1616,8 @@ struct super_operations { * I_FREEING Set when inode is about to be freed but still has dirty * pages or buffers attached or the inode itself is still * dirty. - * I_CLEAR Set by clear_inode(). In this state the inode is clean - * and can be destroyed. + * I_CLEAR Added by end_writeback(). In this state the inode is clean + * and can be destroyed. Inode keeps I_FREEING. * * Inodes that are I_WILL_FREE, I_FREEING or I_CLEAR are * prohibited for many purposes. iget() must wait for @@ -1816,7 +1814,8 @@ extern struct vfsmount *collect_mounts(struct path *); extern void drop_collected_mounts(struct vfsmount *); extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *, struct vfsmount *); -extern int vfs_statfs(struct dentry *, struct kstatfs *); +extern int vfs_statfs(struct path *, struct kstatfs *); +extern int statfs_by_dentry(struct dentry *, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); @@ -2166,9 +2165,8 @@ extern void iput(struct inode *); extern struct inode * igrab(struct inode *); extern ino_t iunique(struct super_block *, ino_t); extern int inode_needs_sync(struct inode *inode); -extern void generic_delete_inode(struct inode *inode); -extern void generic_drop_inode(struct inode *inode); -extern int generic_detach_inode(struct inode *inode); +extern int generic_delete_inode(struct inode *inode); +extern int generic_drop_inode(struct inode *inode); extern struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, int (*test)(struct inode *, void *), @@ -2185,7 +2183,7 @@ extern void unlock_new_inode(struct inode *); extern void __iget(struct inode * inode); extern void iget_failed(struct inode *); -extern void clear_inode(struct inode *); +extern void end_writeback(struct inode *); extern void destroy_inode(struct inode *); extern void __destroy_inode(struct inode *); extern struct inode *new_inode(struct super_block *); @@ -2201,7 +2199,6 @@ static inline void insert_inode_hash(struct inode *inode) { extern void file_move(struct file *f, struct list_head *list); extern void file_kill(struct file *f); #ifdef CONFIG_BLOCK -struct bio; extern void submit_bio(int, struct bio *); extern int bdev_read_only(struct block_device *); #endif @@ -2268,19 +2265,8 @@ static inline int xip_truncate_page(struct address_space *mapping, loff_t from) #endif #ifdef CONFIG_BLOCK -struct bio; typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode, loff_t file_offset); -void dio_end_io(struct bio *bio, int error); - -ssize_t __blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode, - struct block_device *bdev, const struct iovec *iov, loff_t offset, - unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, - dio_submit_t submit_io, int lock_type); -ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, - struct block_device *bdev, const struct iovec *iov, loff_t offset, - unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, - dio_submit_t submit_io, int lock_type); enum { /* need locking between buffered and direct access */ @@ -2290,24 +2276,13 @@ enum { DIO_SKIP_HOLES = 0x02, }; -static inline ssize_t blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, - struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_block_t get_block, - dio_iodone_t end_io) -{ - return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, NULL, - DIO_LOCKING | DIO_SKIP_HOLES); -} +void dio_end_io(struct bio *bio, int error); + +ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, + struct block_device *bdev, const struct iovec *iov, loff_t offset, + unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, + dio_submit_t submit_io, int flags); -static inline ssize_t blockdev_direct_IO_no_locking_newtrunc(int rw, struct kiocb *iocb, - struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_block_t get_block, - dio_iodone_t end_io) -{ - return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, NULL, 0); -} static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, struct block_device *bdev, const struct iovec *iov, loff_t offset, unsigned long nr_segs, get_block_t get_block, @@ -2317,15 +2292,6 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, nr_segs, get_block, end_io, NULL, DIO_LOCKING | DIO_SKIP_HOLES); } - -static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb, - struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_block_t get_block, - dio_iodone_t end_io) -{ - return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, NULL, 0); -} #endif extern const struct file_operations generic_ro_fops; @@ -2387,7 +2353,6 @@ extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); -extern int simple_setsize(struct inode *, loff_t); extern int noop_fsync(struct file *, int); extern int simple_empty(struct dentry *); extern int simple_readpage(struct file *file, struct page *page); @@ -2424,8 +2389,7 @@ extern int buffer_migrate_page(struct address_space *, extern int inode_change_ok(const struct inode *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); -extern int __must_check inode_setattr(struct inode *, const struct iattr *); -extern void generic_setattr(struct inode *inode, const struct iattr *attr); +extern void setattr_copy(struct inode *inode, const struct iattr *attr); extern void file_update_time(struct file *file); @@ -2516,7 +2480,8 @@ int proc_nr_files(struct ctl_table *table, int write, int __init get_filesystem_list(char *buf); #define ACC_MODE(x) ("\004\002\006\006"[(x)&O_ACCMODE]) -#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE)) +#define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \ + (flag & FMODE_NONOTIFY))) #endif /* __KERNEL__ */ #endif /* _LINUX_FS_H */ diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 01755909ce81..e4e2204187ee 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -11,8 +11,6 @@ * (C) Copyright 2005 Robert Love */ -#include <linux/dnotify.h> -#include <linux/inotify.h> #include <linux/fsnotify_backend.h> #include <linux/audit.h> #include <linux/slab.h> @@ -21,35 +19,52 @@ * fsnotify_d_instantiate - instantiate a dentry for inode * Called with dcache_lock held. */ -static inline void fsnotify_d_instantiate(struct dentry *entry, - struct inode *inode) +static inline void fsnotify_d_instantiate(struct dentry *dentry, + struct inode *inode) { - __fsnotify_d_instantiate(entry, inode); - - inotify_d_instantiate(entry, inode); + __fsnotify_d_instantiate(dentry, inode); } /* Notify this dentry's parent about a child's events. */ -static inline void fsnotify_parent(struct dentry *dentry, __u32 mask) +static inline void fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask) { - __fsnotify_parent(dentry, mask); + if (!dentry) + dentry = file->f_path.dentry; + + __fsnotify_parent(file, dentry, mask); +} - inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name); +/* simple call site for access decisions */ +static inline int fsnotify_perm(struct file *file, int mask) +{ + struct inode *inode = file->f_path.dentry->d_inode; + __u32 fsnotify_mask = 0; + + if (file->f_mode & FMODE_NONOTIFY) + return 0; + if (!(mask & (MAY_READ | MAY_OPEN))) + return 0; + if (mask & MAY_OPEN) + fsnotify_mask = FS_OPEN_PERM; + else if (mask & MAY_READ) + fsnotify_mask = FS_ACCESS_PERM; + else + BUG(); + + return fsnotify(inode, fsnotify_mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); } /* - * fsnotify_d_move - entry has been moved - * Called with dcache_lock and entry->d_lock held. + * fsnotify_d_move - dentry has been moved + * Called with dcache_lock and dentry->d_lock held. */ -static inline void fsnotify_d_move(struct dentry *entry) +static inline void fsnotify_d_move(struct dentry *dentry) { /* - * On move we need to update entry->d_flags to indicate if the new parent - * cares about events from this entry. + * On move we need to update dentry->d_flags to indicate if the new parent + * cares about events from this dentry. */ - __fsnotify_update_dcache_flags(entry); - - inotify_d_move(entry); + __fsnotify_update_dcache_flags(dentry); } /* @@ -57,8 +72,6 @@ static inline void fsnotify_d_move(struct dentry *entry) */ static inline void fsnotify_link_count(struct inode *inode) { - inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL); - fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } @@ -66,45 +79,31 @@ static inline void fsnotify_link_count(struct inode *inode) * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir */ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir, - const char *old_name, + const unsigned char *old_name, int isdir, struct inode *target, struct dentry *moved) { struct inode *source = moved->d_inode; - u32 in_cookie = inotify_get_cookie(); u32 fs_cookie = fsnotify_get_cookie(); __u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM); __u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO); - const char *new_name = moved->d_name.name; + const unsigned char *new_name = moved->d_name.name; if (old_dir == new_dir) old_dir_mask |= FS_DN_RENAME; if (isdir) { - isdir = IN_ISDIR; old_dir_mask |= FS_IN_ISDIR; new_dir_mask |= FS_IN_ISDIR; } - inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir, in_cookie, old_name, - source); - inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, in_cookie, new_name, - source); - fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie); fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie); - if (target) { - inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL); - inotify_inode_is_dead(target); - - /* this is really a link_count change not a removal */ + if (target) fsnotify_link_count(target); - } - if (source) { - inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL); + if (source) fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0); - } audit_inode_child(moved, new_dir); } @@ -117,6 +116,14 @@ static inline void fsnotify_inode_delete(struct inode *inode) } /* + * fsnotify_vfsmount_delete - a vfsmount is being destroyed, clean up is needed + */ +static inline void fsnotify_vfsmount_delete(struct vfsmount *mnt) +{ + __fsnotify_vfsmount_delete(mnt); +} + +/* * fsnotify_nameremove - a filename was removed from a directory */ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir) @@ -126,7 +133,7 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir) if (isdir) mask |= FS_IN_ISDIR; - fsnotify_parent(dentry, mask); + fsnotify_parent(NULL, dentry, mask); } /* @@ -134,9 +141,6 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir) */ static inline void fsnotify_inoderemove(struct inode *inode) { - inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL); - inotify_inode_is_dead(inode); - fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0); __fsnotify_inode_delete(inode); } @@ -146,8 +150,6 @@ static inline void fsnotify_inoderemove(struct inode *inode) */ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry) { - inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name, - dentry->d_inode); audit_inode_child(dentry, inode); fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0); @@ -160,8 +162,6 @@ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry) */ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry) { - inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name, - inode); fsnotify_link_count(inode); audit_inode_child(new_dentry, dir); @@ -176,7 +176,6 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) __u32 mask = (FS_CREATE | FS_IN_ISDIR); struct inode *d_inode = dentry->d_inode; - inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode); audit_inode_child(dentry, inode); fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0); @@ -185,52 +184,52 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) /* * fsnotify_access - file was read */ -static inline void fsnotify_access(struct dentry *dentry) +static inline void fsnotify_access(struct file *file) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; __u32 mask = FS_ACCESS; if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - - fsnotify_parent(dentry, mask); - fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); + if (!(file->f_mode & FMODE_NONOTIFY)) { + fsnotify_parent(file, NULL, mask); + fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); + } } /* * fsnotify_modify - file was modified */ -static inline void fsnotify_modify(struct dentry *dentry) +static inline void fsnotify_modify(struct file *file) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; __u32 mask = FS_MODIFY; if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - - fsnotify_parent(dentry, mask); - fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); + if (!(file->f_mode & FMODE_NONOTIFY)) { + fsnotify_parent(file, NULL, mask); + fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); + } } /* * fsnotify_open - file was opened */ -static inline void fsnotify_open(struct dentry *dentry) +static inline void fsnotify_open(struct file *file) { - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; __u32 mask = FS_OPEN; if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - - fsnotify_parent(dentry, mask); - fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); + if (!(file->f_mode & FMODE_NONOTIFY)) { + fsnotify_parent(file, NULL, mask); + fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); + } } /* @@ -238,18 +237,17 @@ static inline void fsnotify_open(struct dentry *dentry) */ static inline void fsnotify_close(struct file *file) { - struct dentry *dentry = file->f_path.dentry; - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; fmode_t mode = file->f_mode; __u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE; if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - - fsnotify_parent(dentry, mask); - fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); + if (!(file->f_mode & FMODE_NONOTIFY)) { + fsnotify_parent(file, NULL, mask); + fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0); + } } /* @@ -263,9 +261,7 @@ static inline void fsnotify_xattr(struct dentry *dentry) if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - - fsnotify_parent(dentry, mask); + fsnotify_parent(NULL, dentry, mask); fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } @@ -299,19 +295,18 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid) if (mask) { if (S_ISDIR(inode->i_mode)) mask |= FS_IN_ISDIR; - inotify_inode_queue_event(inode, mask, 0, NULL, NULL); - fsnotify_parent(dentry, mask); + fsnotify_parent(NULL, dentry, mask); fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0); } } -#if defined(CONFIG_INOTIFY) || defined(CONFIG_FSNOTIFY) /* notify helpers */ +#if defined(CONFIG_FSNOTIFY) /* notify helpers */ /* * fsnotify_oldname_init - save off the old filename before we change it */ -static inline const char *fsnotify_oldname_init(const char *name) +static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name) { return kstrdup(name, GFP_KERNEL); } @@ -319,22 +314,22 @@ static inline const char *fsnotify_oldname_init(const char *name) /* * fsnotify_oldname_free - free the name we got from fsnotify_oldname_init */ -static inline void fsnotify_oldname_free(const char *old_name) +static inline void fsnotify_oldname_free(const unsigned char *old_name) { kfree(old_name); } -#else /* CONFIG_INOTIFY || CONFIG_FSNOTIFY */ +#else /* CONFIG_FSNOTIFY */ -static inline const char *fsnotify_oldname_init(const char *name) +static inline const char *fsnotify_oldname_init(const unsigned char *name) { return NULL; } -static inline void fsnotify_oldname_free(const char *old_name) +static inline void fsnotify_oldname_free(const unsigned char *old_name) { } -#endif /* ! CONFIG_INOTIFY */ +#endif /* CONFIG_FSNOTIFY */ #endif /* _LINUX_FS_NOTIFY_H */ diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 4d6f47b51189..9bbfd7204b04 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -41,6 +41,10 @@ #define FS_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ #define FS_IN_IGNORED 0x00008000 /* last inotify event here */ +#define FS_OPEN_PERM 0x00010000 /* open event in an permission hook */ +#define FS_ACCESS_PERM 0x00020000 /* access event in a permissions hook */ + +#define FS_EXCL_UNLINK 0x04000000 /* do not send events if object is unlinked */ #define FS_IN_ISDIR 0x40000000 /* event occurred against dir */ #define FS_IN_ONESHOT 0x80000000 /* only send event once */ @@ -58,13 +62,20 @@ FS_MOVED_FROM | FS_MOVED_TO | FS_CREATE |\ FS_DELETE) -/* listeners that hard code group numbers near the top */ -#define DNOTIFY_GROUP_NUM UINT_MAX -#define INOTIFY_GROUP_NUM (DNOTIFY_GROUP_NUM-1) +#define FS_MOVE (FS_MOVED_FROM | FS_MOVED_TO) + +#define ALL_FSNOTIFY_EVENTS (FS_ACCESS | FS_MODIFY | FS_ATTRIB | \ + FS_CLOSE_WRITE | FS_CLOSE_NOWRITE | FS_OPEN | \ + FS_MOVED_FROM | FS_MOVED_TO | FS_CREATE | \ + FS_DELETE | FS_DELETE_SELF | FS_MOVE_SELF | \ + FS_UNMOUNT | FS_Q_OVERFLOW | FS_IN_IGNORED | \ + FS_OPEN_PERM | FS_ACCESS_PERM | FS_EXCL_UNLINK | \ + FS_IN_ISDIR | FS_IN_ONESHOT | FS_DN_RENAME | \ + FS_DN_MULTISHOT | FS_EVENT_ON_CHILD) struct fsnotify_group; struct fsnotify_event; -struct fsnotify_mark_entry; +struct fsnotify_mark; struct fsnotify_event_private_data; /* @@ -80,10 +91,16 @@ struct fsnotify_event_private_data; * valid group and inode to use to clean up. */ struct fsnotify_ops { - bool (*should_send_event)(struct fsnotify_group *group, struct inode *inode, __u32 mask); - int (*handle_event)(struct fsnotify_group *group, struct fsnotify_event *event); + bool (*should_send_event)(struct fsnotify_group *group, struct inode *inode, + struct fsnotify_mark *inode_mark, + struct fsnotify_mark *vfsmount_mark, + __u32 mask, void *data, int data_type); + int (*handle_event)(struct fsnotify_group *group, + struct fsnotify_mark *inode_mark, + struct fsnotify_mark *vfsmount_mark, + struct fsnotify_event *event); void (*free_group_priv)(struct fsnotify_group *group); - void (*freeing_mark)(struct fsnotify_mark_entry *entry, struct fsnotify_group *group); + void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group); void (*free_event_priv)(struct fsnotify_event_private_data *priv); }; @@ -95,22 +112,6 @@ struct fsnotify_ops { */ struct fsnotify_group { /* - * global list of all groups receiving events from fsnotify. - * anchored by fsnotify_groups and protected by either fsnotify_grp_mutex - * or fsnotify_grp_srcu depending on write vs read. - */ - struct list_head group_list; - - /* - * Defines all of the event types in which this group is interested. - * This mask is a bitwise OR of the FS_* events from above. Each time - * this mask changes for a group (if it changes) the correct functions - * must be called to update the global structures which indicate global - * interest in event types. - */ - __u32 mask; - - /* * How the refcnt is used is up to each group. When the refcnt hits 0 * fsnotify will clean up all of the resources associated with this group. * As an example, the dnotify group will always have a refcnt=1 and that @@ -119,7 +120,6 @@ struct fsnotify_group { * closed. */ atomic_t refcnt; /* things with interest in this group */ - unsigned int group_num; /* simply prevents accidental group collision */ const struct fsnotify_ops *ops; /* how this group handles things */ @@ -130,15 +130,12 @@ struct fsnotify_group { unsigned int q_len; /* events on the queue */ unsigned int max_events; /* maximum events allowed on the list */ - /* stores all fastapth entries assoc with this group so they can be cleaned on unregister */ - spinlock_t mark_lock; /* protect mark_entries list */ - atomic_t num_marks; /* 1 for each mark entry and 1 for not being + /* stores all fastpath marks assoc with this group so they can be cleaned on unregister */ + spinlock_t mark_lock; /* protect marks_list */ + atomic_t num_marks; /* 1 for each mark and 1 for not being * past the point of no return when freeing * a group */ - struct list_head mark_entries; /* all inode mark entries for this group */ - - /* prevents double list_del of group_list. protected by global fsnotify_grp_mutex */ - bool on_group_list; + struct list_head marks_list; /* all inode marks for this group */ /* groups can define private fields here or use the void *private */ union { @@ -152,6 +149,17 @@ struct fsnotify_group { struct user_struct *user; } inotify_data; #endif +#ifdef CONFIG_FANOTIFY + struct fanotify_group_private_data { +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + /* allows a group to block waiting for a userspace response */ + struct mutex access_mutex; + struct list_head access_list; + wait_queue_head_t access_waitq; +#endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ + int f_flags; + } fanotify_data; +#endif /* CONFIG_FANOTIFY */ }; }; @@ -195,35 +203,57 @@ struct fsnotify_event { /* to_tell may ONLY be dereferenced during handle_event(). */ struct inode *to_tell; /* either the inode the event happened to or its parent */ /* - * depending on the event type we should have either a path or inode - * We hold a reference on path, but NOT on inode. Since we have the ref on - * the path, it may be dereferenced at any point during this object's + * depending on the event type we should have either a file or inode + * We hold a reference on file, but NOT on inode. Since we have the ref on + * the file, it may be dereferenced at any point during this object's * lifetime. That reference is dropped when this object's refcnt hits - * 0. If this event contains an inode instead of a path, the inode may + * 0. If this event contains an inode instead of a file, the inode may * ONLY be used during handle_event(). */ union { - struct path path; + struct file *file; struct inode *inode; }; /* when calling fsnotify tell it if the data is a path or inode */ #define FSNOTIFY_EVENT_NONE 0 -#define FSNOTIFY_EVENT_PATH 1 +#define FSNOTIFY_EVENT_FILE 1 #define FSNOTIFY_EVENT_INODE 2 -#define FSNOTIFY_EVENT_FILE 3 int data_type; /* which of the above union we have */ atomic_t refcnt; /* how many groups still are using/need to send this event */ __u32 mask; /* the type of access, bitwise OR for FS_* event types */ u32 sync_cookie; /* used to corrolate events, namely inotify mv events */ - char *file_name; + const unsigned char *file_name; size_t name_len; + struct pid *tgid; + +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + __u32 response; /* userspace answer to question */ +#endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ struct list_head private_data_list; /* groups can store private data here */ }; /* - * a mark is simply an entry attached to an in core inode which allows an + * Inode specific fields in an fsnotify_mark + */ +struct fsnotify_inode_mark { + struct inode *inode; /* inode this mark is associated with */ + struct hlist_node i_list; /* list of marks by inode->i_fsnotify_marks */ + struct list_head free_i_list; /* tmp list used when freeing this mark */ +}; + +/* + * Mount point specific fields in an fsnotify_mark + */ +struct fsnotify_vfsmount_mark { + struct vfsmount *mnt; /* vfsmount this mark is associated with */ + struct hlist_node m_list; /* list of marks by inode->i_fsnotify_marks */ + struct list_head free_m_list; /* tmp list used when freeing this mark */ +}; + +/* + * a mark is simply an object attached to an in core inode which allows an * fsnotify listener to indicate they are either no longer interested in events * of a type matching mask or only interested in those events. * @@ -232,19 +262,28 @@ struct fsnotify_event { * (such as dnotify) will flush these when the open fd is closed and not at * inode eviction or modification. */ -struct fsnotify_mark_entry { - __u32 mask; /* mask this mark entry is for */ +struct fsnotify_mark { + __u32 mask; /* mask this mark is for */ /* we hold ref for each i_list and g_list. also one ref for each 'thing' * in kernel that found and may be using this mark. */ atomic_t refcnt; /* active things looking at this mark */ - struct inode *inode; /* inode this entry is associated with */ - struct fsnotify_group *group; /* group this mark entry is for */ - struct hlist_node i_list; /* list of mark_entries by inode->i_fsnotify_mark_entries */ - struct list_head g_list; /* list of mark_entries by group->i_fsnotify_mark_entries */ - spinlock_t lock; /* protect group, inode, and killme */ - struct list_head free_i_list; /* tmp list used when freeing this mark */ + struct fsnotify_group *group; /* group this mark is for */ + struct list_head g_list; /* list of marks by group->i_fsnotify_marks */ + spinlock_t lock; /* protect group and inode */ + union { + struct fsnotify_inode_mark i; + struct fsnotify_vfsmount_mark m; + }; + __u32 ignored_mask; /* events types to ignore */ struct list_head free_g_list; /* tmp list used when freeing this mark */ - void (*free_mark)(struct fsnotify_mark_entry *entry); /* called on final put+free */ +#define FSNOTIFY_MARK_FLAG_INODE 0x01 +#define FSNOTIFY_MARK_FLAG_VFSMOUNT 0x02 +#define FSNOTIFY_MARK_FLAG_OBJECT_PINNED 0x04 +#define FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY 0x08 +#define FSNOTIFY_MARK_FLAG_ALIVE 0x10 + unsigned int flags; /* vfsmount or inode mark? */ + struct list_head destroy_list; + void (*free_mark)(struct fsnotify_mark *mark); /* called on final put+free */ }; #ifdef CONFIG_FSNOTIFY @@ -252,10 +291,11 @@ struct fsnotify_mark_entry { /* called from the vfs helpers */ /* main fsnotify call to send events */ -extern void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, - const char *name, u32 cookie); -extern void __fsnotify_parent(struct dentry *dentry, __u32 mask); +extern int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, + const unsigned char *name, u32 cookie); +extern void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask); extern void __fsnotify_inode_delete(struct inode *inode); +extern void __fsnotify_vfsmount_delete(struct vfsmount *mnt); extern u32 fsnotify_get_cookie(void); static inline int fsnotify_inode_watches_children(struct inode *inode) @@ -304,15 +344,9 @@ static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode /* called from fsnotify listeners, such as fanotify or dnotify */ -/* must call when a group changes its ->mask */ -extern void fsnotify_recalc_global_mask(void); /* get a reference to an existing or create a new group */ -extern struct fsnotify_group *fsnotify_obtain_group(unsigned int group_num, - __u32 mask, - const struct fsnotify_ops *ops); -/* run all marks associated with this group and update group->mask */ -extern void fsnotify_recalc_group_mask(struct fsnotify_group *group); -/* drop reference on a group from fsnotify_obtain_group */ +extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops); +/* drop reference on a group from fsnotify_alloc_group */ extern void fsnotify_put_group(struct fsnotify_group *group); /* take a reference to an event */ @@ -323,8 +357,11 @@ extern struct fsnotify_event_private_data *fsnotify_remove_priv_from_event(struc struct fsnotify_event *event); /* attach the event to the group notification queue */ -extern int fsnotify_add_notify_event(struct fsnotify_group *group, struct fsnotify_event *event, - struct fsnotify_event_private_data *priv); +extern struct fsnotify_event *fsnotify_add_notify_event(struct fsnotify_group *group, + struct fsnotify_event *event, + struct fsnotify_event_private_data *priv, + struct fsnotify_event *(*merge)(struct list_head *, + struct fsnotify_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 */ @@ -334,38 +371,66 @@ extern struct fsnotify_event *fsnotify_remove_notify_event(struct fsnotify_group /* functions used to manipulate the marks attached to inodes */ +/* run all marks associated with a vfsmount and update mnt->mnt_fsnotify_mask */ +extern void fsnotify_recalc_vfsmount_mask(struct vfsmount *mnt); /* run all marks associated with an inode and update inode->i_fsnotify_mask */ extern void fsnotify_recalc_inode_mask(struct inode *inode); -extern void fsnotify_init_mark(struct fsnotify_mark_entry *entry, void (*free_mark)(struct fsnotify_mark_entry *entry)); +extern void fsnotify_init_mark(struct fsnotify_mark *mark, void (*free_mark)(struct fsnotify_mark *mark)); /* find (and take a reference) to a mark associated with group and inode */ -extern struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *group, struct inode *inode); +extern struct fsnotify_mark *fsnotify_find_inode_mark(struct fsnotify_group *group, struct inode *inode); +/* find (and take a reference) to a mark associated with group and vfsmount */ +extern struct fsnotify_mark *fsnotify_find_vfsmount_mark(struct fsnotify_group *group, struct vfsmount *mnt); +/* copy the values from old into new */ +extern void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old); +/* set the ignored_mask of a mark */ +extern void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __u32 mask); +/* set the mask of a mark (might pin the object into memory */ +extern void fsnotify_set_mark_mask_locked(struct fsnotify_mark *mark, __u32 mask); /* attach the mark to both the group and the inode */ -extern int fsnotify_add_mark(struct fsnotify_mark_entry *entry, struct fsnotify_group *group, struct inode *inode); +extern int fsnotify_add_mark(struct fsnotify_mark *mark, struct fsnotify_group *group, + struct inode *inode, struct vfsmount *mnt, int allow_dups); /* given a mark, flag it to be freed when all references are dropped */ -extern void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry); +extern void fsnotify_destroy_mark(struct fsnotify_mark *mark); +/* run all the marks in a group, and clear all of the vfsmount marks */ +extern void fsnotify_clear_vfsmount_marks_by_group(struct fsnotify_group *group); +/* run all the marks in a group, and clear all of the inode marks */ +extern void fsnotify_clear_inode_marks_by_group(struct fsnotify_group *group); +/* run all the marks in a group, and clear all of the marks where mark->flags & flags is true*/ +extern void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group, unsigned int flags); /* run all the marks in a group, and flag them to be freed */ extern void fsnotify_clear_marks_by_group(struct fsnotify_group *group); -extern void fsnotify_get_mark(struct fsnotify_mark_entry *entry); -extern void fsnotify_put_mark(struct fsnotify_mark_entry *entry); +extern void fsnotify_get_mark(struct fsnotify_mark *mark); +extern void fsnotify_put_mark(struct fsnotify_mark *mark); extern void fsnotify_unmount_inodes(struct list_head *list); /* put here because inotify does some weird stuff when destroying watches */ extern struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask, - void *data, int data_is, const char *name, + void *data, int data_is, + const unsigned char *name, u32 cookie, gfp_t gfp); +/* fanotify likes to change events after they are on lists... */ +extern struct fsnotify_event *fsnotify_clone_event(struct fsnotify_event *old_event); +extern int fsnotify_replace_event(struct fsnotify_event_holder *old_holder, + struct fsnotify_event *new_event); + #else -static inline void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, - const char *name, u32 cookie) -{} +static inline int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, + const unsigned char *name, u32 cookie) +{ + return 0; +} -static inline void __fsnotify_parent(struct dentry *dentry, __u32 mask) +static inline void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask) {} static inline void __fsnotify_inode_delete(struct inode *inode) {} +static inline void __fsnotify_vfsmount_delete(struct vfsmount *mnt) +{} + static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) {} diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index cd0b3f30f48e..ce73a30113b4 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -17,6 +17,8 @@ struct gpio_keys_platform_data { struct gpio_keys_button *buttons; int nbuttons; unsigned int rep:1; /* enable input subsystem auto repeat */ + int (*enable)(struct device *dev); + void (*disable)(struct device *dev); }; #endif diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 21067b418536..38dd4025aa4e 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -108,6 +108,7 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, * @shutdown: Callback for device shutdown * @suspend: Callback for device suspend * @resume: Callback for device resume + * @alert: Alert callback, for example for the SMBus alert protocol * @command: Callback for bus-wide signaling (optional) * @driver: Device driver model driver * @id_table: List of I2C devices supported by this driver @@ -233,6 +234,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data) * @addr: stored in i2c_client.addr * @platform_data: stored in i2c_client.dev.platform_data * @archdata: copied into i2c_client.dev.archdata + * @of_node: pointer to OpenFirmware device node * @irq: stored in i2c_client.irq * * I2C doesn't actually support hardware probing, although controllers and diff --git a/include/linux/inotify.h b/include/linux/inotify.h index 37ea2894b3c0..d33041e2a42a 100644 --- a/include/linux/inotify.h +++ b/include/linux/inotify.h @@ -51,6 +51,7 @@ struct inotify_event { /* special flags */ #define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */ #define IN_DONT_FOLLOW 0x02000000 /* don't follow a sym link */ +#define IN_EXCL_UNLINK 0x04000000 /* exclude events on unlinked objects */ #define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */ #define IN_ISDIR 0x40000000 /* event occurred against dir */ #define IN_ONESHOT 0x80000000 /* only send event once */ @@ -70,177 +71,17 @@ struct inotify_event { #define IN_NONBLOCK O_NONBLOCK #ifdef __KERNEL__ - -#include <linux/dcache.h> -#include <linux/fs.h> - -/* - * struct inotify_watch - represents a watch request on a specific inode - * - * h_list is protected by ih->mutex of the associated inotify_handle. - * i_list, mask are protected by inode->inotify_mutex of the associated inode. - * ih, inode, and wd are never written to once the watch is created. - * - * Callers must use the established inotify interfaces to access inotify_watch - * contents. The content of this structure is private to the inotify - * implementation. - */ -struct inotify_watch { - struct list_head h_list; /* entry in inotify_handle's list */ - struct list_head i_list; /* entry in inode's list */ - atomic_t count; /* reference count */ - struct inotify_handle *ih; /* associated inotify handle */ - struct inode *inode; /* associated inode */ - __s32 wd; /* watch descriptor */ - __u32 mask; /* event mask for this watch */ -}; - -struct inotify_operations { - void (*handle_event)(struct inotify_watch *, u32, u32, u32, - const char *, struct inode *); - void (*destroy_watch)(struct inotify_watch *); -}; - -#ifdef CONFIG_INOTIFY - -/* Kernel API for producing events */ - -extern void inotify_d_instantiate(struct dentry *, struct inode *); -extern void inotify_d_move(struct dentry *); -extern void inotify_inode_queue_event(struct inode *, __u32, __u32, - const char *, struct inode *); -extern void inotify_dentry_parent_queue_event(struct dentry *, __u32, __u32, - const char *); -extern void inotify_unmount_inodes(struct list_head *); -extern void inotify_inode_is_dead(struct inode *); -extern u32 inotify_get_cookie(void); - -/* Kernel Consumer API */ - -extern struct inotify_handle *inotify_init(const struct inotify_operations *); -extern void inotify_init_watch(struct inotify_watch *); -extern void inotify_destroy(struct inotify_handle *); -extern __s32 inotify_find_watch(struct inotify_handle *, struct inode *, - struct inotify_watch **); -extern __s32 inotify_find_update_watch(struct inotify_handle *, struct inode *, - u32); -extern __s32 inotify_add_watch(struct inotify_handle *, struct inotify_watch *, - struct inode *, __u32); -extern __s32 inotify_clone_watch(struct inotify_watch *, struct inotify_watch *); -extern void inotify_evict_watch(struct inotify_watch *); -extern int inotify_rm_watch(struct inotify_handle *, struct inotify_watch *); -extern int inotify_rm_wd(struct inotify_handle *, __u32); -extern void inotify_remove_watch_locked(struct inotify_handle *, - struct inotify_watch *); -extern void get_inotify_watch(struct inotify_watch *); -extern void put_inotify_watch(struct inotify_watch *); -extern int pin_inotify_watch(struct inotify_watch *); -extern void unpin_inotify_watch(struct inotify_watch *); - -#else - -static inline void inotify_d_instantiate(struct dentry *dentry, - struct inode *inode) -{ -} - -static inline void inotify_d_move(struct dentry *dentry) -{ -} - -static inline void inotify_inode_queue_event(struct inode *inode, - __u32 mask, __u32 cookie, - const char *filename, - struct inode *n_inode) -{ -} - -static inline void inotify_dentry_parent_queue_event(struct dentry *dentry, - __u32 mask, __u32 cookie, - const char *filename) -{ -} - -static inline void inotify_unmount_inodes(struct list_head *list) -{ -} - -static inline void inotify_inode_is_dead(struct inode *inode) -{ -} - -static inline u32 inotify_get_cookie(void) -{ - return 0; -} - -static inline struct inotify_handle *inotify_init(const struct inotify_operations *ops) -{ - return ERR_PTR(-EOPNOTSUPP); -} - -static inline void inotify_init_watch(struct inotify_watch *watch) -{ -} - -static inline void inotify_destroy(struct inotify_handle *ih) -{ -} - -static inline __s32 inotify_find_watch(struct inotify_handle *ih, struct inode *inode, - struct inotify_watch **watchp) -{ - return -EOPNOTSUPP; -} - -static inline __s32 inotify_find_update_watch(struct inotify_handle *ih, - struct inode *inode, u32 mask) -{ - return -EOPNOTSUPP; -} - -static inline __s32 inotify_add_watch(struct inotify_handle *ih, - struct inotify_watch *watch, - struct inode *inode, __u32 mask) -{ - return -EOPNOTSUPP; -} - -static inline int inotify_rm_watch(struct inotify_handle *ih, - struct inotify_watch *watch) -{ - return -EOPNOTSUPP; -} - -static inline int inotify_rm_wd(struct inotify_handle *ih, __u32 wd) -{ - return -EOPNOTSUPP; -} - -static inline void inotify_remove_watch_locked(struct inotify_handle *ih, - struct inotify_watch *watch) -{ -} - -static inline void get_inotify_watch(struct inotify_watch *watch) -{ -} - -static inline void put_inotify_watch(struct inotify_watch *watch) -{ -} - -extern inline int pin_inotify_watch(struct inotify_watch *watch) -{ - return 0; -} - -extern inline void unpin_inotify_watch(struct inotify_watch *watch) -{ -} - -#endif /* CONFIG_INOTIFY */ - -#endif /* __KERNEL __ */ +#include <linux/sysctl.h> +extern struct ctl_table inotify_table[]; /* for sysctl */ + +#define ALL_INOTIFY_BITS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \ + IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \ + IN_MOVED_TO | IN_CREATE | IN_DELETE | \ + IN_DELETE_SELF | IN_MOVE_SELF | IN_UNMOUNT | \ + IN_Q_OVERFLOW | IN_IGNORED | IN_ONLYDIR | \ + IN_DONT_FOLLOW | IN_EXCL_UNLINK | IN_MASK_ADD | \ + IN_ISDIR | IN_ONESHOT) + +#endif #endif /* _LINUX_INOTIFY_H */ diff --git a/include/linux/input.h b/include/linux/input.h index 339d043ccb53..896a92227bc4 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -776,6 +776,7 @@ struct input_absinfo { #define REP_DELAY 0x00 #define REP_PERIOD 0x01 #define REP_MAX 0x01 +#define REP_CNT (REP_MAX+1) /* * Sounds @@ -1099,21 +1100,18 @@ struct input_mt_slot { * @repeat_key: stores key code of the last key pressed; used to implement * software autorepeat * @timer: timer for software autorepeat - * @abs: current values for reports from absolute axes * @rep: current values for autorepeat parameters (delay, rate) * @mt: pointer to array of struct input_mt_slot holding current values * of tracked contacts * @mtsize: number of MT slots the device uses * @slot: MT slot currently being transmitted + * @absinfo: array of &struct absinfo elements holding information + * about absolute axes (current value, min, max, flat, fuzz, + * resolution) * @key: reflects current state of device's keys/buttons * @led: reflects current state of device's LEDs * @snd: reflects current state of sound effects * @sw: reflects current state of device's switches - * @absmax: maximum values for events coming from absolute axes - * @absmin: minimum values for events coming from absolute axes - * @absfuzz: describes noisiness for axes - * @absflat: size of the center flat position (used by joydev) - * @absres: resolution used for events coming form absolute axes * @open: this method is called when the very first user calls * input_open_device(). The driver must prepare the device * to start generating events (start polling thread, @@ -1180,24 +1178,19 @@ struct input_dev { unsigned int repeat_key; struct timer_list timer; - int abs[ABS_CNT]; - int rep[REP_MAX + 1]; + int rep[REP_CNT]; struct input_mt_slot *mt; int mtsize; int slot; + struct input_absinfo *absinfo; + unsigned long key[BITS_TO_LONGS(KEY_CNT)]; unsigned long led[BITS_TO_LONGS(LED_CNT)]; unsigned long snd[BITS_TO_LONGS(SND_CNT)]; unsigned long sw[BITS_TO_LONGS(SW_CNT)]; - int absmax[ABS_CNT]; - int absmin[ABS_CNT]; - int absfuzz[ABS_CNT]; - int absflat[ABS_CNT]; - int absres[ABS_CNT]; - int (*open)(struct input_dev *dev); void (*close)(struct input_dev *dev); int (*flush)(struct input_dev *dev, struct file *file); @@ -1459,16 +1452,32 @@ static inline void input_set_events_per_packet(struct input_dev *dev, int n_even dev->hint_events_per_packet = n_events; } -static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat) -{ - dev->absmin[axis] = min; - dev->absmax[axis] = max; - dev->absfuzz[axis] = fuzz; - dev->absflat[axis] = flat; - - dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); +void input_alloc_absinfo(struct input_dev *dev); +void input_set_abs_params(struct input_dev *dev, unsigned int axis, + int min, int max, int fuzz, int flat); + +#define INPUT_GENERATE_ABS_ACCESSORS(_suffix, _item) \ +static inline int input_abs_get_##_suffix(struct input_dev *dev, \ + unsigned int axis) \ +{ \ + return dev->absinfo ? dev->absinfo[axis]._item : 0; \ +} \ + \ +static inline void input_abs_set_##_suffix(struct input_dev *dev, \ + unsigned int axis, int val) \ +{ \ + input_alloc_absinfo(dev); \ + if (dev->absinfo) \ + dev->absinfo[axis]._item = val; \ } +INPUT_GENERATE_ABS_ACCESSORS(val, value) +INPUT_GENERATE_ABS_ACCESSORS(min, minimum) +INPUT_GENERATE_ABS_ACCESSORS(max, maximum) +INPUT_GENERATE_ABS_ACCESSORS(fuzz, fuzz) +INPUT_GENERATE_ABS_ACCESSORS(flat, flat) +INPUT_GENERATE_ABS_ACCESSORS(res, resolution) + int input_get_keycode(struct input_dev *dev, unsigned int scancode, unsigned int *keycode); int input_set_keycode(struct input_dev *dev, diff --git a/include/linux/istallion.h b/include/linux/istallion.h index 7faca98c7d14..ad700a60c158 100644 --- a/include/linux/istallion.h +++ b/include/linux/istallion.h @@ -86,7 +86,7 @@ struct stlibrd { unsigned long magic; unsigned int brdnr; unsigned int brdtype; - unsigned int state; + unsigned long state; unsigned int nrpanels; unsigned int nrports; unsigned int nrdevs; diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h index edb9231f1898..a18b719f49d4 100644 --- a/include/linux/jffs2.h +++ b/include/linux/jffs2.h @@ -1,7 +1,8 @@ /* * JFFS2 -- Journalling Flash File System, Version 2. * - * Copyright (C) 2001-2003 Red Hat, Inc. + * Copyright © 2001-2007 Red Hat, Inc. + * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org> * * Created by David Woodhouse <dwmw2@infradead.org> * diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h index a09b84e4fdb4..54cbbac1e71d 100644 --- a/include/linux/mbcache.h +++ b/include/linux/mbcache.h @@ -4,9 +4,6 @@ (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> */ -/* Hardwire the number of additional indexes */ -#define MB_CACHE_INDEXES_COUNT 1 - struct mb_cache_entry { struct list_head e_lru_list; struct mb_cache *e_cache; @@ -18,17 +15,12 @@ struct mb_cache_entry { struct { struct list_head o_list; unsigned int o_key; - } e_indexes[0]; -}; - -struct mb_cache_op { - int (*free)(struct mb_cache_entry *, gfp_t); + } e_index; }; /* Functions on caches */ -struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t, - int, int); +struct mb_cache *mb_cache_create(const char *, int); void mb_cache_shrink(struct block_device *); void mb_cache_destroy(struct mb_cache *); @@ -36,17 +28,15 @@ void mb_cache_destroy(struct mb_cache *); struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t); int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *, - sector_t, unsigned int[]); + sector_t, unsigned int); void mb_cache_entry_release(struct mb_cache_entry *); void mb_cache_entry_free(struct mb_cache_entry *); struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *, struct block_device *, sector_t); -#if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0) -struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, int, +struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, struct block_device *, unsigned int); -struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, int, +struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, struct block_device *, unsigned int); -#endif diff --git a/include/linux/mm.h b/include/linux/mm.h index 7a9ab7db1975..709f6728fc90 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -815,6 +815,7 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping, } extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new); +extern void truncate_setsize(struct inode *inode, loff_t newsize); extern int vmtruncate(struct inode *inode, loff_t offset); extern int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end); diff --git a/include/linux/mount.h b/include/linux/mount.h index 4bd05474d11d..907210bd9f9c 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -56,7 +56,11 @@ struct vfsmount { struct list_head mnt_mounts; /* list of children, anchored here */ struct list_head mnt_child; /* and going through their mnt_child */ int mnt_flags; - /* 4 bytes hole on 64bits arches */ + /* 4 bytes hole on 64bits arches without fsnotify */ +#ifdef CONFIG_FSNOTIFY + __u32 mnt_fsnotify_mask; + struct hlist_head mnt_fsnotify_marks; +#endif const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ struct list_head mnt_list; struct list_head mnt_expire; /* link in fs-specific expiry list */ diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h index 9c3757c5759d..7fa20beb2ab9 100644 --- a/include/linux/mtd/bbm.h +++ b/include/linux/mtd/bbm.h @@ -4,12 +4,26 @@ * NAND family Bad Block Management (BBM) header file * - Bad Block Table (BBT) implementation * - * Copyright (c) 2005 Samsung Electronics + * Copyright © 2005 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> * - * Copyright (c) 2000-2005 + * Copyright © 2000-2005 * Thomas Gleixner <tglx@linuxtronix.de> * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __LINUX_MTD_BBM_H #define __LINUX_MTD_BBM_H @@ -82,6 +96,12 @@ struct nand_bbt_descr { #define NAND_BBT_SAVECONTENT 0x00002000 /* Search good / bad pattern on the first and the second page */ #define NAND_BBT_SCAN2NDPAGE 0x00004000 +/* Search good / bad pattern on the last page of the eraseblock */ +#define NAND_BBT_SCANLASTPAGE 0x00008000 +/* Chip stores bad block marker on BOTH 1st and 6th bytes of OOB */ +#define NAND_BBT_SCANBYTE1AND6 0x00100000 +/* The nand_bbt_descr was created dynamicaly and must be freed */ +#define NAND_BBT_DYNAMICSTRUCT 0x00200000 /* The maximum number of blocks to scan for a bbt */ #define NAND_BBT_SCAN_MAXBLOCKS 4 diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index b481ccd7ff3c..26529ebd59cc 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -1,7 +1,19 @@ /* - * (C) 2003 David Woodhouse <dwmw2@infradead.org> + * Copyright © 2003-2010 David Woodhouse <dwmw2@infradead.org> * - * Interface to Linux block layer for MTD 'translation layers'. + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index 574d9ee066f1..d2118b0eac9a 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -1,6 +1,20 @@ - -/* Common Flash Interface structures - * See http://support.intel.com/design/flash/technote/index.htm +/* + * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> et al. + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __MTD_CFI_H__ diff --git a/include/linux/mtd/cfi_endian.h b/include/linux/mtd/cfi_endian.h index d802f7736be3..51cc3f5917a8 100644 --- a/include/linux/mtd/cfi_endian.h +++ b/include/linux/mtd/cfi_endian.h @@ -1,3 +1,22 @@ +/* + * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + #include <asm/byteorder.h> #ifndef CONFIG_MTD_CFI_ADV_OPTIONS diff --git a/include/linux/mtd/compatmac.h b/include/linux/mtd/compatmac.h deleted file mode 100644 index 7d1300d9bd51..000000000000 --- a/include/linux/mtd/compatmac.h +++ /dev/null @@ -1,10 +0,0 @@ - -#ifndef __LINUX_MTD_COMPATMAC_H__ -#define __LINUX_MTD_COMPATMAC_H__ - -/* Nothing to see here. We write 2.5-compatible code and this - file makes it all OK in older kernels, but it's empty in _current_ - kernels. Include guard just to make GCC ignore it in future inclusions - anyway... */ - -#endif /* __LINUX_MTD_COMPATMAC_H__ */ diff --git a/include/linux/mtd/concat.h b/include/linux/mtd/concat.h index e80c674daeb3..ccdbe93a909c 100644 --- a/include/linux/mtd/concat.h +++ b/include/linux/mtd/concat.h @@ -1,9 +1,22 @@ /* * MTD device concatenation layer definitions * - * (C) 2002 Robert Kaiser <rkaiser@sysgo.de> + * Copyright © 2002 Robert Kaiser <rkaiser@sysgo.de> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * - * This code is GPL */ #ifndef MTD_CONCAT_H diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h index 0a6d516ab71d..0f6fea73a1f6 100644 --- a/include/linux/mtd/doc2000.h +++ b/include/linux/mtd/doc2000.h @@ -1,12 +1,25 @@ /* * Linux driver for Disk-On-Chip devices * - * Copyright (C) 1999 Machine Vision Holdings, Inc. - * Copyright (C) 2001-2003 David Woodhouse <dwmw2@infradead.org> - * Copyright (C) 2002-2003 Greg Ungerer <gerg@snapgear.com> - * Copyright (C) 2002-2003 SnapGear Inc + * Copyright © 1999 Machine Vision Holdings, Inc. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * Copyright © 2002-2003 Greg Ungerer <gerg@snapgear.com> + * Copyright © 2002-2003 SnapGear Inc + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * - * Released under GPL */ #ifndef __MTD_DOC2000_H__ diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index f43e9b49b751..b63fa457febd 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -1,10 +1,21 @@ - /* - * struct flchip definition + * Copyright © 2000 Red Hat UK Limited + * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. * - * Contains information about the location and state of a given flash device + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * - * (C) 2000 Red Hat. GPLd. */ #ifndef __MTD_FLASHCHIP_H__ @@ -92,7 +103,7 @@ struct flchip { /* This is used to handle contention on write/erase operations between partitions of the same physical chip. */ struct flchip_shared { - spinlock_t lock; + struct mutex lock; struct flchip *writing; struct flchip *erasing; }; diff --git a/include/linux/mtd/gen_probe.h b/include/linux/mtd/gen_probe.h index df362ddf2949..2c456054fded 100644 --- a/include/linux/mtd/gen_probe.h +++ b/include/linux/mtd/gen_probe.h @@ -1,6 +1,21 @@ /* - * (C) 2001, 2001 Red Hat, Inc. - * GPL'd + * Copyright © 2001 Red Hat UK Limited + * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __LINUX_MTD_GEN_PROBE_H__ diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index de89eca864ce..a9e6ba46865e 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -1,3 +1,21 @@ +/* + * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> et al. + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ /* Overhauled routines for dealing with different mmap regions of flash */ @@ -9,7 +27,6 @@ #include <linux/string.h> #include <linux/bug.h> -#include <linux/mtd/compatmac.h> #include <asm/unaligned.h> #include <asm/system.h> diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 5326435a7571..8485e42a9b09 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -1,7 +1,20 @@ /* - * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al. + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * - * Released under GPL */ #ifndef __MTD_MTD_H__ @@ -13,7 +26,6 @@ #include <linux/notifier.h> #include <linux/device.h> -#include <linux/mtd/compatmac.h> #include <mtd/mtd-abi.h> #include <asm/div64.h> @@ -216,6 +228,7 @@ struct mtd_info { /* Chip-supported device locking */ int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); + int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len); /* Power Management functions */ int (*suspend) (struct mtd_info *mtd); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index a81b185e23a7..102e12c58cb3 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -1,9 +1,9 @@ /* * linux/include/linux/mtd/nand.h * - * Copyright (c) 2000 David Woodhouse <dwmw2@infradead.org> - * Steven J. Hill <sjhill@realitydiluted.com> - * Thomas Gleixner <tglx@linutronix.de> + * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> + * Steven J. Hill <sjhill@realitydiluted.com> + * Thomas Gleixner <tglx@linutronix.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -181,8 +181,6 @@ typedef enum { #define NAND_NO_READRDY 0x00000100 /* Chip does not allow subpage writes */ #define NAND_NO_SUBPAGE_WRITE 0x00000200 -/* Chip stores bad block marker on the last page of the eraseblock */ -#define NAND_BB_LAST_PAGE 0x00000400 /* Device is one of 'new' xD cards that expose fake nand command set */ #define NAND_BROKEN_XD 0x00000400 diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h index 41bc013571d0..4d8406c81652 100644 --- a/include/linux/mtd/nand_ecc.h +++ b/include/linux/mtd/nand_ecc.h @@ -1,7 +1,9 @@ /* * drivers/mtd/nand_ecc.h * - * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com) + * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> + * David Woodhouse <dwmw2@infradead.org> + * Thomas Gleixner <tglx@linutronix.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h index dcaf611ed748..b059629e22bc 100644 --- a/include/linux/mtd/nftl.h +++ b/include/linux/mtd/nftl.h @@ -1,5 +1,20 @@ /* - * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __MTD_NFTL_H__ diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index c26ff86ad08a..0c8815bfae1c 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -68,6 +68,7 @@ struct onenand_bufferram { * @write_word: [REPLACEABLE] hardware specific function for write * register of OneNAND * @mmcontrol: sync burst read function + * @chip_probe: [REPLACEABLE] hardware specific function for chip probe * @block_markbad: function to mark a block as bad * @scan_bbt: [REPLACEALBE] hardware specific function for scanning * Bad block Table @@ -114,6 +115,7 @@ struct onenand_chip { unsigned short (*read_word)(void __iomem *addr); void (*write_word)(unsigned short value, void __iomem *addr); void (*mmcontrol)(struct mtd_info *mtd, int sync_read); + int (*chip_probe)(struct mtd_info *mtd); int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); int (*scan_bbt)(struct mtd_info *mtd); diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index 76f7cabf07d3..bcfd9f777454 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h @@ -25,6 +25,7 @@ struct physmap_flash_data { void (*set_vpp)(struct map_info *, int); unsigned int nr_parts; unsigned int pfow_base; + char *probe_type; struct mtd_partition *parts; }; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index c81eec4d3c35..f6a3b2d36cad 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2372,6 +2372,9 @@ #define PCI_VENDOR_ID_AKS 0x416c #define PCI_DEVICE_ID_AKS_ALADDINCARD 0x0100 +#define PCI_VENDOR_ID_ACCESSIO 0x494f +#define PCI_DEVICE_ID_ACCESSIO_WDG_CSM 0x22c0 + #define PCI_VENDOR_ID_S3 0x5333 #define PCI_DEVICE_ID_S3_TRIO 0x8811 #define PCI_DEVICE_ID_S3_868 0x8880 diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 4f71bf4e628c..3e23844a6990 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -117,6 +117,6 @@ void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx, long clock_nanosleep_restart(struct restart_block *restart_block); -void update_rlimit_cpu(unsigned long rlim_new); +void update_rlimit_cpu(struct task_struct *task, unsigned long rlim_new); #endif diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index ba394163dea1..91a4177e60ce 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -2033,7 +2033,7 @@ void reiserfs_read_locked_inode(struct inode *inode, struct reiserfs_iget_args *args); int reiserfs_find_actor(struct inode *inode, void *p); int reiserfs_init_locked_inode(struct inode *inode, void *p); -void reiserfs_delete_inode(struct inode *inode); +void reiserfs_evict_inode(struct inode *inode); int reiserfs_write_inode(struct inode *inode, struct writeback_control *wbc); int reiserfs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create); diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h index 89f4d3abbf5a..97959bdfe214 100644 --- a/include/linux/reiserfs_fs_i.h +++ b/include/linux/reiserfs_fs_i.h @@ -25,7 +25,6 @@ typedef enum { i_link_saved_truncate_mask = 0x0020, i_has_xattr_dir = 0x0040, i_data_log = 0x0080, - i_ever_mapped = 0x0100 } reiserfs_inode_flags; struct reiserfs_inode_info { @@ -53,7 +52,8 @@ struct reiserfs_inode_info { ** flushed */ unsigned int i_trans_id; struct reiserfs_journal_list *i_jl; - struct mutex i_mmap; + atomic_t openers; + struct mutex tailpack; #ifdef CONFIG_REISERFS_FS_XATTR struct rw_semaphore i_xattr_sem; #endif diff --git a/include/linux/resource.h b/include/linux/resource.h index f1e914eefeab..88d36f9145ba 100644 --- a/include/linux/resource.h +++ b/include/linux/resource.h @@ -43,6 +43,13 @@ struct rlimit { unsigned long rlim_max; }; +#define RLIM64_INFINITY (~0ULL) + +struct rlimit64 { + __u64 rlim_cur; + __u64 rlim_max; +}; + #define PRIO_MIN (-20) #define PRIO_MAX 20 @@ -73,6 +80,8 @@ struct rlimit { struct task_struct; int getrusage(struct task_struct *p, int who, struct rusage __user *ru); +int do_prlimit(struct task_struct *tsk, unsigned int resource, + struct rlimit *new_rlim, struct rlimit *old_rlim); #endif /* __KERNEL__ */ diff --git a/include/linux/security.h b/include/linux/security.h index 723a93df756a..a22219afff09 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -23,6 +23,7 @@ #define __LINUX_SECURITY_H #include <linux/fs.h> +#include <linux/fsnotify.h> #include <linux/binfmts.h> #include <linux/signal.h> #include <linux/resource.h> @@ -1498,7 +1499,8 @@ struct security_operations { int (*task_setnice) (struct task_struct *p, int nice); int (*task_setioprio) (struct task_struct *p, int ioprio); int (*task_getioprio) (struct task_struct *p); - int (*task_setrlimit) (unsigned int resource, struct rlimit *new_rlim); + int (*task_setrlimit) (struct task_struct *p, unsigned int resource, + struct rlimit *new_rlim); int (*task_setscheduler) (struct task_struct *p, int policy, struct sched_param *lp); int (*task_getscheduler) (struct task_struct *p); @@ -1748,7 +1750,8 @@ void security_task_getsecid(struct task_struct *p, u32 *secid); int security_task_setnice(struct task_struct *p, int nice); int security_task_setioprio(struct task_struct *p, int ioprio); int security_task_getioprio(struct task_struct *p); -int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim); +int security_task_setrlimit(struct task_struct *p, unsigned int resource, + struct rlimit *new_rlim); int security_task_setscheduler(struct task_struct *p, int policy, struct sched_param *lp); int security_task_getscheduler(struct task_struct *p); @@ -2310,7 +2313,8 @@ static inline int security_task_getioprio(struct task_struct *p) return 0; } -static inline int security_task_setrlimit(unsigned int resource, +static inline int security_task_setrlimit(struct task_struct *p, + unsigned int resource, struct rlimit *new_rlim) { return 0; diff --git a/include/linux/serial.h b/include/linux/serial.h index c8613c3ff9d3..1ebc694a6d52 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -77,7 +77,8 @@ struct serial_struct { #define PORT_16654 11 #define PORT_16850 12 #define PORT_RSA 13 /* RSA-DV II/S card */ -#define PORT_MAX 13 +#define PORT_U6_16550A 14 +#define PORT_MAX 14 #define SERIAL_IO_PORT 0 #define SERIAL_IO_HUB6 1 @@ -151,7 +152,7 @@ struct serial_uart_config { #define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART) #define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE) -#define ASYNC_FLAGS ((1U << ASYNCB_LAST_USER) - 1) +#define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1) #define ASYNC_USR_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI| \ ASYNC_CALLOUT_NOHUP|ASYNC_SPD_SHI|ASYNC_LOW_LATENCY) #define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI) @@ -210,8 +211,10 @@ struct serial_rs485 { #define SER_RS485_ENABLED (1 << 0) #define SER_RS485_RTS_ON_SEND (1 << 1) #define SER_RS485_RTS_AFTER_SEND (1 << 2) +#define SER_RS485_RTS_BEFORE_SEND (1 << 3) __u32 delay_rts_before_send; /* Milliseconds */ - __u32 padding[6]; /* Memory is cheap, new structs + __u32 delay_rts_after_send; /* Milliseconds */ + __u32 padding[5]; /* Memory is cheap, new structs are a royal PITA .. */ }; diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index fb46aba11fb5..7638deaaba65 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -32,6 +32,9 @@ struct plat_serial8250_port { unsigned int type; /* If UPF_FIXED_TYPE */ unsigned int (*serial_in)(struct uart_port *, int); void (*serial_out)(struct uart_port *, int, int); + void (*set_termios)(struct uart_port *, + struct ktermios *new, + struct ktermios *old); }; /* @@ -71,5 +74,7 @@ extern int early_serial_setup(struct uart_port *port); extern int serial8250_find_port(struct uart_port *p); extern int serial8250_find_port_for_earlycon(void); extern int setup_early_serial8250_console(char *cmdline); +extern void serial8250_do_set_termios(struct uart_port *port, + struct ktermios *termios, struct ktermios *old); #endif diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index f10db6e5f3b5..8129ca2d57e3 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -186,6 +186,12 @@ #define PORT_ALTERA_JTAGUART 91 #define PORT_ALTERA_UART 92 +/* MAX3107 */ +#define PORT_MAX3107 94 + +/* High Speed UART for Medfield */ +#define PORT_MFD 95 + #ifdef __KERNEL__ #include <linux/compiler.h> @@ -220,7 +226,7 @@ struct uart_ops { void (*flush_buffer)(struct uart_port *); void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); - void (*set_ldisc)(struct uart_port *); + void (*set_ldisc)(struct uart_port *, int new); void (*pm)(struct uart_port *, unsigned int state, unsigned int oldstate); int (*set_wake)(struct uart_port *, unsigned int state); @@ -276,6 +282,9 @@ struct uart_port { unsigned char __iomem *membase; /* read/write[bwl] */ unsigned int (*serial_in)(struct uart_port *, int); void (*serial_out)(struct uart_port *, int, int); + void (*set_termios)(struct uart_port *, + struct ktermios *new, + struct ktermios *old); unsigned int irq; /* irq number */ unsigned long irqflags; /* irq flags */ unsigned int uartclk; /* base uart clock */ diff --git a/include/linux/serial_mfd.h b/include/linux/serial_mfd.h new file mode 100644 index 000000000000..2b071e0b034d --- /dev/null +++ b/include/linux/serial_mfd.h @@ -0,0 +1,47 @@ +#ifndef _SERIAL_MFD_H_ +#define _SERIAL_MFD_H_ + +/* HW register offset definition */ +#define UART_FOR 0x08 +#define UART_PS 0x0C +#define UART_MUL 0x0D +#define UART_DIV 0x0E + +#define HSU_GBL_IEN 0x0 +#define HSU_GBL_IST 0x4 + +#define HSU_GBL_INT_BIT_PORT0 0x0 +#define HSU_GBL_INT_BIT_PORT1 0x1 +#define HSU_GBL_INT_BIT_PORT2 0x2 +#define HSU_GBL_INT_BIT_IRI 0x3 +#define HSU_GBL_INT_BIT_HDLC 0x4 +#define HSU_GBL_INT_BIT_DMA 0x5 + +#define HSU_GBL_ISR 0x8 +#define HSU_GBL_DMASR 0x400 +#define HSU_GBL_DMAISR 0x404 + +#define HSU_PORT_REG_OFFSET 0x80 +#define HSU_PORT0_REG_OFFSET 0x80 +#define HSU_PORT1_REG_OFFSET 0x100 +#define HSU_PORT2_REG_OFFSET 0x180 +#define HSU_PORT_REG_LENGTH 0x80 + +#define HSU_DMA_CHANS_REG_OFFSET 0x500 +#define HSU_DMA_CHANS_REG_LENGTH 0x40 + +#define HSU_CH_SR 0x0 /* channel status reg */ +#define HSU_CH_CR 0x4 /* control reg */ +#define HSU_CH_DCR 0x8 /* descriptor control reg */ +#define HSU_CH_BSR 0x10 /* max fifo buffer size reg */ +#define HSU_CH_MOTSR 0x14 /* minimum ocp transfer size */ +#define HSU_CH_D0SAR 0x20 /* desc 0 start addr */ +#define HSU_CH_D0TSR 0x24 /* desc 0 transfer size */ +#define HSU_CH_D1SAR 0x28 +#define HSU_CH_D1TSR 0x2C +#define HSU_CH_D2SAR 0x30 +#define HSU_CH_D2TSR 0x34 +#define HSU_CH_D3SAR 0x38 +#define HSU_CH_D3TSR 0x3C + +#endif diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h index cf9327c051ad..c7a0ce11cd47 100644 --- a/include/linux/serial_reg.h +++ b/include/linux/serial_reg.h @@ -221,8 +221,24 @@ #define UART_FCR_PXAR16 0x80 /* receive FIFO threshold = 16 */ #define UART_FCR_PXAR32 0xc0 /* receive FIFO threshold = 32 */ +/* + * Intel MID on-chip HSU (High Speed UART) defined bits + */ +#define UART_FCR_HSU_64_1B 0x00 /* receive FIFO treshold = 1 */ +#define UART_FCR_HSU_64_16B 0x40 /* receive FIFO treshold = 16 */ +#define UART_FCR_HSU_64_32B 0x80 /* receive FIFO treshold = 32 */ +#define UART_FCR_HSU_64_56B 0xc0 /* receive FIFO treshold = 56 */ + +#define UART_FCR_HSU_16_1B 0x00 /* receive FIFO treshold = 1 */ +#define UART_FCR_HSU_16_4B 0x40 /* receive FIFO treshold = 4 */ +#define UART_FCR_HSU_16_8B 0x80 /* receive FIFO treshold = 8 */ +#define UART_FCR_HSU_16_14B 0xc0 /* receive FIFO treshold = 14 */ +#define UART_FCR_HSU_64B_FIFO 0x20 /* chose 64 bytes FIFO */ +#define UART_FCR_HSU_16B_FIFO 0x00 /* chose 16 bytes FIFO */ +#define UART_FCR_HALF_EMPT_TXI 0x00 /* trigger TX_EMPT IRQ for half empty */ +#define UART_FCR_FULL_EMPT_TXI 0x08 /* trigger TX_EMPT IRQ for full empty */ /* * These register definitions are for the 16C950 diff --git a/include/linux/statfs.h b/include/linux/statfs.h index b34cc829f98d..0166d320a75d 100644 --- a/include/linux/statfs.h +++ b/include/linux/statfs.h @@ -2,7 +2,6 @@ #define _LINUX_STATFS_H #include <linux/types.h> - #include <asm/statfs.h> struct kstatfs { @@ -16,7 +15,29 @@ struct kstatfs { __kernel_fsid_t f_fsid; long f_namelen; long f_frsize; - long f_spare[5]; + long f_flags; + long f_spare[4]; }; +/* + * Definitions for the flag in f_flag. + * + * Generally these flags are equivalent to the MS_ flags used in the mount + * ABI. The exception is ST_VALID which has the same value as MS_REMOUNT + * which doesn't make any sense for statfs. + */ +#define ST_RDONLY 0x0001 /* mount read-only */ +#define ST_NOSUID 0x0002 /* ignore suid and sgid bits */ +#define ST_NODEV 0x0004 /* disallow access to device special files */ +#define ST_NOEXEC 0x0008 /* disallow program execution */ +#define ST_SYNCHRONOUS 0x0010 /* writes are synced at once */ +#define ST_VALID 0x0020 /* f_flags support is implemented */ +#define ST_MANDLOCK 0x0040 /* allow mandatory locks on an FS */ +/* 0x0080 used for ST_WRITE in glibc */ +/* 0x0100 used for ST_APPEND in glibc */ +/* 0x0200 used for ST_IMMUTABLE in glibc */ +#define ST_NOATIME 0x0400 /* do not update access times */ +#define ST_NODIRATIME 0x0800 /* do not update directory access times */ +#define ST_RELATIME 0x1000 /* update atime relative to mtime/ctime */ + #endif diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a6bfd1367d2a..1b67bd333b5e 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -35,6 +35,7 @@ struct oldold_utsname; struct old_utsname; struct pollfd; struct rlimit; +struct rlimit64; struct rusage; struct sched_param; struct sel_arg_struct; @@ -644,6 +645,9 @@ asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *r #endif asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim); +asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, + const struct rlimit64 __user *new_rlim, + struct rlimit64 __user *old_rlim); asmlinkage long sys_getrusage(int who, struct rusage __user *ru); asmlinkage long sys_umask(int mask); @@ -811,6 +815,10 @@ asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, struct timespec __user *, const sigset_t __user *, size_t); +asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); +asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, + u64 mask, int fd, + const char __user *pathname); int kernel_execve(const char *filename, char *const argv[], char *const envp[]); diff --git a/include/linux/tty.h b/include/linux/tty.h index 7802a243ee13..1437da3ddc62 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -13,6 +13,7 @@ #include <linux/tty_driver.h> #include <linux/tty_ldisc.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <asm/system.h> @@ -179,6 +180,7 @@ struct tty_bufhead { #define L_FLUSHO(tty) _L_FLAG((tty), FLUSHO) #define L_PENDIN(tty) _L_FLAG((tty), PENDIN) #define L_IEXTEN(tty) _L_FLAG((tty), IEXTEN) +#define L_EXTPROC(tty) _L_FLAG((tty), EXTPROC) struct device; struct signal_struct; @@ -415,6 +417,7 @@ extern int is_ignored(int sig); extern int tty_signal(int sig, struct tty_struct *tty); extern void tty_hangup(struct tty_struct *tty); extern void tty_vhangup(struct tty_struct *tty); +extern void tty_vhangup_locked(struct tty_struct *tty); extern void tty_vhangup_self(void); extern void tty_unhangup(struct file *filp); extern int tty_hung_up_p(struct file *filp); @@ -575,5 +578,54 @@ extern int vt_ioctl(struct tty_struct *tty, struct file *file, extern long vt_compat_ioctl(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg); +/* tty_mutex.c */ +/* functions for preparation of BKL removal */ +extern void __lockfunc tty_lock(void) __acquires(tty_lock); +extern void __lockfunc tty_unlock(void) __releases(tty_lock); +extern struct task_struct *__big_tty_mutex_owner; +#define tty_locked() (current == __big_tty_mutex_owner) + +/* + * wait_event_interruptible_tty -- wait for a condition with the tty lock held + * + * The condition we are waiting for might take a long time to + * become true, or might depend on another thread taking the + * BTM. In either case, we need to drop the BTM to guarantee + * forward progress. This is a leftover from the conversion + * from the BKL and should eventually get removed as the BTM + * falls out of use. + * + * Do not use in new code. + */ +#define wait_event_interruptible_tty(wq, condition) \ +({ \ + int __ret = 0; \ + if (!(condition)) { \ + __wait_event_interruptible_tty(wq, condition, __ret); \ + } \ + __ret; \ +}) + +#define __wait_event_interruptible_tty(wq, condition, ret) \ +do { \ + DEFINE_WAIT(__wait); \ + \ + for (;;) { \ + prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \ + if (condition) \ + break; \ + if (!signal_pending(current)) { \ + tty_unlock(); \ + schedule(); \ + tty_lock(); \ + continue; \ + } \ + ret = -ERESTARTSYS; \ + break; \ + } \ + finish_wait(&wq, &__wait); \ +} while (0) + + #endif /* __KERNEL__ */ #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index d5922a877994..35fe6ab222bb 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -127,6 +127,8 @@ enum usb_interface_condition { * queued reset so that usb_cancel_queued_reset() doesn't try to * remove from the workqueue when running inside the worker * thread. See __usb_queue_reset_device(). + * @resetting_device: USB core reset the device, so use alt setting 0 as + * current; needs bandwidth alloc after reset. * * USB device drivers attach to interfaces on a physical device. Each * interface encapsulates a single high level function, such as feeding @@ -843,7 +845,7 @@ struct usb_driver { void (*disconnect) (struct usb_interface *intf); - int (*ioctl) (struct usb_interface *intf, unsigned int code, + int (*unlocked_ioctl) (struct usb_interface *intf, unsigned int code, void *buf); int (*suspend) (struct usb_interface *intf, pm_message_t message); @@ -1015,6 +1017,7 @@ typedef void (*usb_complete_t)(struct urb *); * is a different endpoint (and pipe) from "out" endpoint two. * The current configuration controls the existence, type, and * maximum packet size of any given endpoint. + * @stream_id: the endpoint's stream ID for bulk streams * @dev: Identifies the USB device to perform the request. * @status: This is read in non-iso completion functions to get the * status of the particular request. ISO requests only use it diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 139353efad34..890bc1472190 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -276,6 +276,8 @@ struct usb_composite_driver { int (*bind)(struct usb_composite_dev *); int (*unbind)(struct usb_composite_dev *); + void (*disconnect)(struct usb_composite_dev *); + /* global suspend hooks */ void (*suspend)(struct usb_composite_dev *); void (*resume)(struct usb_composite_dev *); @@ -342,6 +344,10 @@ struct usb_composite_dev { }; extern int usb_string_id(struct usb_composite_dev *c); +extern int usb_string_ids_tab(struct usb_composite_dev *c, + struct usb_string *str); +extern int usb_string_ids_n(struct usb_composite_dev *c, unsigned n); + /* messaging utils */ #define DBG(d, fmt, args...) \ diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 80287af2a738..2e262cb15425 100644 --- a/include/linux/usb/ehci_def.h +++ b/include/linux/usb/ehci_def.h @@ -39,6 +39,12 @@ struct ehci_caps { #define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */ u32 hcc_params; /* HCCPARAMS - offset 0x8 */ +/* EHCI 1.1 addendum */ +#define HCC_32FRAME_PERIODIC_LIST(p) ((p)&(1 << 19)) +#define HCC_PER_PORT_CHANGE_EVENT(p) ((p)&(1 << 18)) +#define HCC_LPM(p) ((p)&(1 << 17)) +#define HCC_HW_PREFETCH(p) ((p)&(1 << 16)) + #define HCC_EXT_CAPS(p) (((p)>>8)&0xff) /* for pci extended caps */ #define HCC_ISOC_CACHE(p) ((p)&(1 << 7)) /* true: can cache isoc frame */ #define HCC_ISOC_THRES(p) (((p)>>4)&0x7) /* bits 6:4, uframes cached */ @@ -54,6 +60,13 @@ struct ehci_regs { /* USBCMD: offset 0x00 */ u32 command; + +/* EHCI 1.1 addendum */ +#define CMD_HIRD (0xf<<24) /* host initiated resume duration */ +#define CMD_PPCEE (1<<15) /* per port change event enable */ +#define CMD_FSP (1<<14) /* fully synchronized prefetch */ +#define CMD_ASPE (1<<13) /* async schedule prefetch enable */ +#define CMD_PSPE (1<<12) /* periodic schedule prefetch enable */ /* 23:16 is r/w intr rate, in microframes; default "8" == 1/msec */ #define CMD_PARK (1<<11) /* enable "park" on async qh */ #define CMD_PARK_CNT(c) (((c)>>8)&3) /* how many transfers to park for */ @@ -67,6 +80,7 @@ struct ehci_regs { /* USBSTS: offset 0x04 */ u32 status; +#define STS_PPCE_MASK (0xff<<16) /* Per-Port change event 1-16 */ #define STS_ASS (1<<15) /* Async Schedule Status */ #define STS_PSS (1<<14) /* Periodic Schedule Status */ #define STS_RECL (1<<13) /* Reclamation */ @@ -100,6 +114,14 @@ struct ehci_regs { /* PORTSC: offset 0x44 */ u32 port_status[0]; /* up to N_PORTS */ +/* EHCI 1.1 addendum */ +#define PORTSC_SUSPEND_STS_ACK 0 +#define PORTSC_SUSPEND_STS_NYET 1 +#define PORTSC_SUSPEND_STS_STALL 2 +#define PORTSC_SUSPEND_STS_ERR 3 + +#define PORT_DEV_ADDR (0x7f<<25) /* device address */ +#define PORT_SSTS (0x3<<23) /* suspend status */ /* 31:23 reserved */ #define PORT_WKOC_E (1<<22) /* wake on overcurrent (enable) */ #define PORT_WKDISC_E (1<<21) /* wake on disconnect (enable) */ @@ -115,6 +137,7 @@ struct ehci_regs { #define PORT_USB11(x) (((x)&(3<<10)) == (1<<10)) /* USB 1.1 device */ /* 11:10 for detecting lowspeed devices (reset vs release ownership) */ /* 9 reserved */ +#define PORT_LPM (1<<9) /* LPM transaction */ #define PORT_RESET (1<<8) /* reset port */ #define PORT_SUSPEND (1<<7) /* suspend port */ #define PORT_RESUME (1<<6) /* resume it */ diff --git a/include/linux/usb/functionfs.h b/include/linux/usb/functionfs.h index a34a2a043b21..6f649c13193b 100644 --- a/include/linux/usb/functionfs.h +++ b/include/linux/usb/functionfs.h @@ -180,9 +180,9 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) static void functionfs_unbind(struct ffs_data *ffs) __attribute__((nonnull)); -static int functionfs_add(struct usb_composite_dev *cdev, - struct usb_configuration *c, - struct ffs_data *ffs) +static int functionfs_bind_config(struct usb_composite_dev *cdev, + struct usb_configuration *c, + struct ffs_data *ffs) __attribute__((warn_unused_result, nonnull)); diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 2e3a4ea1a3da..3b571f1ffbb3 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -89,18 +89,33 @@ struct usb_hcd { */ const struct hc_driver *driver; /* hw-specific hooks */ - /* Flags that need to be manipulated atomically */ + /* Flags that need to be manipulated atomically because they can + * change while the host controller is running. Always use + * set_bit() or clear_bit() to change their values. + */ unsigned long flags; -#define HCD_FLAG_HW_ACCESSIBLE 0x00000001 -#define HCD_FLAG_SAW_IRQ 0x00000002 +#define HCD_FLAG_HW_ACCESSIBLE 0 /* at full power */ +#define HCD_FLAG_SAW_IRQ 1 +#define HCD_FLAG_POLL_RH 2 /* poll for rh status? */ +#define HCD_FLAG_POLL_PENDING 3 /* status has changed? */ +#define HCD_FLAG_WAKEUP_PENDING 4 /* root hub is resuming? */ + + /* The flags can be tested using these macros; they are likely to + * be slightly faster than test_bit(). + */ +#define HCD_HW_ACCESSIBLE(hcd) ((hcd)->flags & (1U << HCD_FLAG_HW_ACCESSIBLE)) +#define HCD_SAW_IRQ(hcd) ((hcd)->flags & (1U << HCD_FLAG_SAW_IRQ)) +#define HCD_POLL_RH(hcd) ((hcd)->flags & (1U << HCD_FLAG_POLL_RH)) +#define HCD_POLL_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_POLL_PENDING)) +#define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING)) + /* Flags that get set only during HCD registration or removal. */ unsigned rh_registered:1;/* is root hub registered? */ + unsigned rh_pollable:1; /* may we poll the root hub? */ /* The next flag is a stopgap, to be removed when all the HCDs * support the new root-hub polling mechanism. */ unsigned uses_new_polling:1; - unsigned poll_rh:1; /* poll for rh status? */ - unsigned poll_pending:1; /* status has changed? */ unsigned wireless:1; /* Wireless USB HCD */ unsigned authorized_default:1; unsigned has_tt:1; /* Integrated TT in root hub */ @@ -198,7 +213,7 @@ struct hc_driver { * a whole, not just the root hub; they're for PCI bus glue. */ /* called after suspending the hub, before entering D3 etc */ - int (*pci_suspend)(struct usb_hcd *hcd); + int (*pci_suspend)(struct usb_hcd *hcd, bool do_wakeup); /* called after entering D0 (etc), before resuming the hub */ int (*pci_resume)(struct usb_hcd *hcd, bool hibernated); @@ -299,6 +314,10 @@ struct hc_driver { int (*update_hub_device)(struct usb_hcd *, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags); int (*reset_device)(struct usb_hcd *, struct usb_device *); + /* Notifies the HCD after a device is connected and its + * address is set + */ + int (*update_device)(struct usb_hcd *, struct usb_device *); }; extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb); diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index f8302d036a76..545cba73ccaf 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -43,13 +43,6 @@ enum usb_xceiv_events { USB_EVENT_ENUMERATED, /* gadget driver enumerated */ }; -#define USB_OTG_PULLUP_ID (1 << 0) -#define USB_OTG_PULLDOWN_DP (1 << 1) -#define USB_OTG_PULLDOWN_DM (1 << 2) -#define USB_OTG_EXT_VBUS_INDICATOR (1 << 3) -#define USB_OTG_DRV_VBUS (1 << 4) -#define USB_OTG_DRV_VBUS_EXT (1 << 5) - struct otg_transceiver; /* for transceivers connected thru an ULPI interface, the user must @@ -146,10 +139,10 @@ static inline int otg_io_read(struct otg_transceiver *otg, u32 reg) return -EINVAL; } -static inline int otg_io_write(struct otg_transceiver *otg, u32 reg, u32 val) +static inline int otg_io_write(struct otg_transceiver *otg, u32 val, u32 reg) { if (otg->io_ops && otg->io_ops->write) - return otg->io_ops->write(otg, reg, val); + return otg->io_ops->write(otg, val, reg); return -EINVAL; } diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 16b7f3347545..3e93de7ecbc3 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -26,4 +26,8 @@ and can't handle talking to these interfaces */ #define USB_QUIRK_HONOR_BNUMINTERFACES 0x00000020 +/* device needs a pause during initialization, after we read the device + descriptor */ +#define USB_QUIRK_DELAY_INIT 0x00000040 + #endif /* __LINUX_USB_QUIRKS_H */ diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h index 2369d07c3c87..82b1507f4735 100644 --- a/include/linux/usb/ulpi.h +++ b/include/linux/usb/ulpi.h @@ -11,6 +11,42 @@ #ifndef __LINUX_USB_ULPI_H #define __LINUX_USB_ULPI_H +#include <linux/usb/otg.h> +/*-------------------------------------------------------------------------*/ + +/* + * ULPI Flags + */ +#define ULPI_OTG_ID_PULLUP (1 << 0) +#define ULPI_OTG_DP_PULLDOWN_DIS (1 << 1) +#define ULPI_OTG_DM_PULLDOWN_DIS (1 << 2) +#define ULPI_OTG_DISCHRGVBUS (1 << 3) +#define ULPI_OTG_CHRGVBUS (1 << 4) +#define ULPI_OTG_DRVVBUS (1 << 5) +#define ULPI_OTG_DRVVBUS_EXT (1 << 6) +#define ULPI_OTG_EXTVBUSIND (1 << 7) + +#define ULPI_IC_6PIN_SERIAL (1 << 8) +#define ULPI_IC_3PIN_SERIAL (1 << 9) +#define ULPI_IC_CARKIT (1 << 10) +#define ULPI_IC_CLKSUSPM (1 << 11) +#define ULPI_IC_AUTORESUME (1 << 12) +#define ULPI_IC_EXTVBUS_INDINV (1 << 13) +#define ULPI_IC_IND_PASSTHRU (1 << 14) +#define ULPI_IC_PROTECT_DIS (1 << 15) + +#define ULPI_FC_HS (1 << 16) +#define ULPI_FC_FS (1 << 17) +#define ULPI_FC_LS (1 << 18) +#define ULPI_FC_FS4LS (1 << 19) +#define ULPI_FC_TERMSEL (1 << 20) +#define ULPI_FC_OP_NORM (1 << 21) +#define ULPI_FC_OP_NODRV (1 << 22) +#define ULPI_FC_OP_DIS_NRZI (1 << 23) +#define ULPI_FC_OP_NSYNC_NEOP (1 << 24) +#define ULPI_FC_RST (1 << 25) +#define ULPI_FC_SUSPM (1 << 26) + /*-------------------------------------------------------------------------*/ /* @@ -58,6 +94,10 @@ /*-------------------------------------------------------------------------*/ +/* + * Register Bits + */ + /* Function Control */ #define ULPI_FUNC_CTRL_XCVRSEL (1 << 0) #define ULPI_FUNC_CTRL_XCVRSEL_MASK (3 << 0) diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 047f7e6edb86..61490c6dcdbd 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -277,6 +277,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ +#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 7f56db4a79f0..6625cc1ab758 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -76,17 +76,52 @@ int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); #define vc_translate(vc, c) ((vc)->vc_translate[(c) | \ ((vc)->vc_toggle_meta ? 0x80 : 0)]) #else -#define con_set_trans_old(arg) (0) -#define con_get_trans_old(arg) (-EINVAL) -#define con_set_trans_new(arg) (0) -#define con_get_trans_new(arg) (-EINVAL) -#define con_clear_unimap(vc, ui) (0) -#define con_set_unimap(vc, ct, list) (0) -#define con_set_default_unimap(vc) (0) -#define con_copy_unimap(d, s) (0) -#define con_get_unimap(vc, ct, uct, list) (-EINVAL) -#define con_free_unimap(vc) do { ; } while (0) -#define con_protect_unimap(vc, rdonly) do { ; } while (0) +static inline int con_set_trans_old(unsigned char __user *table) +{ + return 0; +} +static inline int con_get_trans_old(unsigned char __user *table) +{ + return -EINVAL; +} +static inline int con_set_trans_new(unsigned short __user *table) +{ + return 0; +} +static inline int con_get_trans_new(unsigned short __user *table) +{ + return -EINVAL; +} +static inline int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui) +{ + return 0; +} +static inline +int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) +{ + return 0; +} +static inline +int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, + struct unipair __user *list) +{ + return -EINVAL; +} +static inline int con_set_default_unimap(struct vc_data *vc) +{ + return 0; +} +static inline void con_free_unimap(struct vc_data *vc) +{ +} +static inline void con_protect_unimap(struct vc_data *vc, int rdonly) +{ +} +static inline +int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc) +{ + return 0; +} #define vc_translate(vc, c) (c) #endif @@ -100,6 +135,13 @@ extern int unbind_con_driver(const struct consw *csw, int first, int last, int deflt); int vty_init(const struct file_operations *console_fops); +static inline bool vt_force_oops_output(struct vc_data *vc) +{ + if (oops_in_progress && vc->vc_panic_force_write) + return true; + return false; +} + /* * vc_screen.c shares this temporary buffer with the console write code so that * we can easily avoid touching user space while holding the console spinlock. diff --git a/include/media/cx2341x.h b/include/media/cx2341x.h index 9ebe8558b9b6..8d08ebfe20b7 100644 --- a/include/media/cx2341x.h +++ b/include/media/cx2341x.h @@ -19,6 +19,8 @@ #ifndef CX2341X_H #define CX2341X_H +#include <media/v4l2-ctrls.h> + enum cx2341x_port { CX2341X_PORT_MEMORY = 0, CX2341X_PORT_STREAMING = 1, @@ -99,6 +101,101 @@ int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy, void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p); void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix); +struct cx2341x_handler; + +struct cx2341x_handler_ops { + /* needed for the video clock freq */ + int (*s_audio_sampling_freq)(struct cx2341x_handler *hdl, u32 val); + /* needed for dualwatch */ + int (*s_audio_mode)(struct cx2341x_handler *hdl, u32 val); + /* needed for setting up the video resolution */ + int (*s_video_encoding)(struct cx2341x_handler *hdl, u32 val); + /* needed for setting up the sliced vbi insertion data structures */ + int (*s_stream_vbi_fmt)(struct cx2341x_handler *hdl, u32 val); +}; + +struct cx2341x_handler { + u32 capabilities; + enum cx2341x_port port; + u16 width; + u16 height; + u16 is_50hz; + u32 audio_properties; + + struct v4l2_ctrl_handler hdl; + void *priv; + cx2341x_mbox_func func; + const struct cx2341x_handler_ops *ops; + + struct v4l2_ctrl *stream_vbi_fmt; + + struct { + /* audio cluster */ + struct v4l2_ctrl *audio_sampling_freq; + struct v4l2_ctrl *audio_encoding; + struct v4l2_ctrl *audio_l2_bitrate; + struct v4l2_ctrl *audio_mode; + struct v4l2_ctrl *audio_mode_extension; + struct v4l2_ctrl *audio_emphasis; + struct v4l2_ctrl *audio_crc; + struct v4l2_ctrl *audio_ac3_bitrate; + }; + + struct { + /* video gop cluster */ + struct v4l2_ctrl *video_b_frames; + struct v4l2_ctrl *video_gop_size; + }; + + struct { + /* stream type cluster */ + struct v4l2_ctrl *stream_type; + struct v4l2_ctrl *video_encoding; + struct v4l2_ctrl *video_bitrate_mode; + struct v4l2_ctrl *video_bitrate; + struct v4l2_ctrl *video_bitrate_peak; + }; + + struct { + /* video mute cluster */ + struct v4l2_ctrl *video_mute; + struct v4l2_ctrl *video_mute_yuv; + }; + + struct { + /* video filter mode cluster */ + struct v4l2_ctrl *video_spatial_filter_mode; + struct v4l2_ctrl *video_temporal_filter_mode; + struct v4l2_ctrl *video_median_filter_type; + }; + + struct { + /* video filter type cluster */ + struct v4l2_ctrl *video_luma_spatial_filter_type; + struct v4l2_ctrl *video_chroma_spatial_filter_type; + }; + + struct { + /* video filter cluster */ + struct v4l2_ctrl *video_spatial_filter; + struct v4l2_ctrl *video_temporal_filter; + }; + + struct { + /* video median cluster */ + struct v4l2_ctrl *video_luma_median_filter_top; + struct v4l2_ctrl *video_luma_median_filter_bottom; + struct v4l2_ctrl *video_chroma_median_filter_top; + struct v4l2_ctrl *video_chroma_median_filter_bottom; + }; +}; + +int cx2341x_handler_init(struct cx2341x_handler *cxhdl, + unsigned nr_of_controls_hint); +void cx2341x_handler_set_50hz(struct cx2341x_handler *cxhdl, int is_50hz); +int cx2341x_handler_setup(struct cx2341x_handler *cxhdl); +void cx2341x_handler_set_busy(struct cx2341x_handler *cxhdl, int busy); + /* Firmware names */ #define CX2341X_FIRM_ENC_FILENAME "v4l-cx2341x-enc.fw" /* Decoder firmware for the cx23415 only */ diff --git a/include/media/cx25840.h b/include/media/cx25840.h index 0b0cb1776796..46d1a141208e 100644 --- a/include/media/cx25840.h +++ b/include/media/cx25840.h @@ -97,4 +97,91 @@ enum cx25840_audio_input { CX25840_AUDIO8, }; +enum cx25840_io_pin { + CX25840_PIN_DVALID_PRGM0 = 0, + CX25840_PIN_FIELD_PRGM1, + CX25840_PIN_HRESET_PRGM2, + CX25840_PIN_VRESET_HCTL_PRGM3, + CX25840_PIN_IRQ_N_PRGM4, + CX25840_PIN_IR_TX_PRGM6, + CX25840_PIN_IR_RX_PRGM5, + CX25840_PIN_GPIO0_PRGM8, + CX25840_PIN_GPIO1_PRGM9, + CX25840_PIN_SA_SDIN, /* Alternate GP Input only */ + CX25840_PIN_SA_SDOUT, /* Alternate GP Input only */ + CX25840_PIN_PLL_CLK_PRGM7, + CX25840_PIN_CHIP_SEL_VIPCLK, /* Output only */ +}; + +enum cx25840_io_pad { + /* Output pads */ + CX25840_PAD_DEFAULT = 0, + CX25840_PAD_ACTIVE, + CX25840_PAD_VACTIVE, + CX25840_PAD_CBFLAG, + CX25840_PAD_VID_DATA_EXT0, + CX25840_PAD_VID_DATA_EXT1, + CX25840_PAD_GPO0, + CX25840_PAD_GPO1, + CX25840_PAD_GPO2, + CX25840_PAD_GPO3, + CX25840_PAD_IRQ_N, + CX25840_PAD_AC_SYNC, + CX25840_PAD_AC_SDOUT, + CX25840_PAD_PLL_CLK, + CX25840_PAD_VRESET, + CX25840_PAD_RESERVED, + /* Pads for PLL_CLK output only */ + CX25840_PAD_XTI_X5_DLL, + CX25840_PAD_AUX_PLL, + CX25840_PAD_VID_PLL, + CX25840_PAD_XTI, + /* Input Pads */ + CX25840_PAD_GPI0, + CX25840_PAD_GPI1, + CX25840_PAD_GPI2, + CX25840_PAD_GPI3, +}; + +enum cx25840_io_pin_strength { + CX25840_PIN_DRIVE_MEDIUM = 0, + CX25840_PIN_DRIVE_SLOW, + CX25840_PIN_DRIVE_FAST, +}; + +enum cx23885_io_pin { + CX23885_PIN_IR_RX_GPIO19, + CX23885_PIN_IR_TX_GPIO20, + CX23885_PIN_I2S_SDAT_GPIO21, + CX23885_PIN_I2S_WCLK_GPIO22, + CX23885_PIN_I2S_BCLK_GPIO23, + CX23885_PIN_IRQ_N_GPIO16, +}; + +enum cx23885_io_pad { + CX23885_PAD_IR_RX, + CX23885_PAD_GPIO19, + CX23885_PAD_IR_TX, + CX23885_PAD_GPIO20, + CX23885_PAD_I2S_SDAT, + CX23885_PAD_GPIO21, + CX23885_PAD_I2S_WCLK, + CX23885_PAD_GPIO22, + CX23885_PAD_I2S_BCLK, + CX23885_PAD_GPIO23, + CX23885_PAD_IRQ_N, + CX23885_PAD_GPIO16, +}; + +/* pvr150_workaround activates a workaround for a hardware bug that is + present in Hauppauge PVR-150 (and possibly PVR-500) cards that have + certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The + audio autodetect fails on some channels for these models and the workaround + is to select the audio standard explicitly. Many thanks to Hauppauge for + providing this information. + This platform data only needs to be supplied by the ivtv driver. */ +struct cx25840_platform_data { + int pvr150_workaround; +}; + #endif diff --git a/include/media/ir-core.h b/include/media/ir-core.h index 513e60dd1010..eb7fddf8f607 100644 --- a/include/media/ir-core.h +++ b/include/media/ir-core.h @@ -41,6 +41,11 @@ enum rc_driver_type { * anything with it. Yet, as the same keycode table can be used with other * devices, a mask is provided to allow its usage. Drivers should generally * leave this field in blank + * @timeout: optional time after which device stops sending data + * @min_timeout: minimum timeout supported by device + * @max_timeout: maximum timeout supported by device + * @rx_resolution : resolution (in ns) of input sampler + * @tx_resolution: resolution (in ns) of output sampler * @priv: driver-specific data, to be used on the callbacks * @change_protocol: allow changing the protocol used on hardware decoders * @open: callback to allow drivers to enable polling/irq when IR input device @@ -49,19 +54,36 @@ enum rc_driver_type { * is opened. * @s_tx_mask: set transmitter mask (for devices with multiple tx outputs) * @s_tx_carrier: set transmit carrier frequency + * @s_tx_duty_cycle: set transmit duty cycle (0% - 100%) + * @s_rx_carrier: inform driver about carrier it is expected to handle * @tx_ir: transmit IR + * @s_idle: optional: enable/disable hardware idle mode, upon which, + device doesn't interrupt host until it sees IR pulses + * @s_learning_mode: enable wide band receiver used for learning */ struct ir_dev_props { enum rc_driver_type driver_type; unsigned long allowed_protos; u32 scanmask; + + u32 timeout; + u32 min_timeout; + u32 max_timeout; + + u32 rx_resolution; + u32 tx_resolution; + void *priv; int (*change_protocol)(void *priv, u64 ir_type); int (*open)(void *priv); void (*close)(void *priv); int (*s_tx_mask)(void *priv, u32 mask); int (*s_tx_carrier)(void *priv, u32 carrier); + int (*s_tx_duty_cycle)(void *priv, u32 duty_cycle); + int (*s_rx_carrier_range)(void *priv, u32 min, u32 max); int (*tx_ir)(void *priv, int *txbuf, u32 n); + void (*s_idle)(void *priv, int enable); + int (*s_learning_mode)(void *priv, int enable); }; struct ir_input_dev { @@ -69,9 +91,10 @@ struct ir_input_dev { char *driver_name; /* Name of the driver module */ struct ir_scancode_table rc_tab; /* scan/key table */ unsigned long devno; /* device number */ - const struct ir_dev_props *props; /* Device properties */ + struct ir_dev_props *props; /* Device properties */ struct ir_raw_event_ctrl *raw; /* for raw pulse/space events */ struct input_dev *input_dev; /* the input device associated with this device */ + bool idle; /* key info - needed by IR keycode handlers */ spinlock_t keylock; /* protects the below members */ @@ -95,12 +118,12 @@ enum raw_event_type { /* From ir-keytable.c */ int __ir_input_register(struct input_dev *dev, const struct ir_scancode_table *ir_codes, - const struct ir_dev_props *props, + struct ir_dev_props *props, const char *driver_name); static inline int ir_input_register(struct input_dev *dev, const char *map_name, - const struct ir_dev_props *props, + struct ir_dev_props *props, const char *driver_name) { struct ir_scancode_table *ir_codes; struct ir_input_dev *ir_dev; @@ -110,8 +133,12 @@ static inline int ir_input_register(struct input_dev *dev, return -EINVAL; ir_codes = get_rc_map(map_name); - if (!ir_codes) - return -EINVAL; + if (!ir_codes) { + ir_codes = get_rc_map(RC_MAP_EMPTY); + + if (!ir_codes) + return -EINVAL; + } rc = __ir_input_register(dev, ir_codes, props, driver_name); if (rc < 0) @@ -144,6 +171,10 @@ struct ir_raw_event { void ir_raw_event_handle(struct input_dev *input_dev); int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev); int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type); +int ir_raw_event_store_with_filter(struct input_dev *input_dev, + struct ir_raw_event *ev); +void ir_raw_event_set_idle(struct input_dev *input_dev, int idle); + static inline void ir_raw_event_reset(struct input_dev *input_dev) { struct ir_raw_event ev = { .pulse = false, .duration = 0 }; diff --git a/include/media/lirc.h b/include/media/lirc.h index 42c467c50519..6678a169fd9e 100644 --- a/include/media/lirc.h +++ b/include/media/lirc.h @@ -77,6 +77,7 @@ #define LIRC_CAN_SET_REC_FILTER 0x08000000 #define LIRC_CAN_MEASURE_CARRIER 0x02000000 +#define LIRC_CAN_USE_WIDEBAND_RECEIVER 0x04000000 #define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK) #define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK) @@ -145,7 +146,7 @@ * if enabled from the next key press on the driver will send * LIRC_MODE2_FREQUENCY packets */ -#define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32) +#define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32) /* * to set a range use @@ -162,4 +163,6 @@ #define LIRC_SETUP_START _IO('i', 0x00000021) #define LIRC_SETUP_END _IO('i', 0x00000022) +#define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32) + #endif diff --git a/include/media/rc-map.h b/include/media/rc-map.h index 9569d0863f8b..a9c041d49662 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -114,6 +114,7 @@ void rc_map_init(void); #define RC_MAP_PURPLETV "rc-purpletv" #define RC_MAP_PV951 "rc-pv951" #define RC_MAP_RC5_HAUPPAUGE_NEW "rc-rc5-hauppauge-new" +#define RC_MAP_RC5_STREAMZAP "rc-rc5-streamzap" #define RC_MAP_RC5_TV "rc-rc5-tv" #define RC_MAP_RC6_MCE "rc-rc6-mce" #define RC_MAP_REAL_AUDIO_220_32_KEYS "rc-real-audio-220-32-keys" diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h new file mode 100644 index 000000000000..9b7bea928a88 --- /dev/null +++ b/include/media/v4l2-ctrls.h @@ -0,0 +1,460 @@ +/* + V4L2 controls support header. + + Copyright (C) 2010 Hans Verkuil <hverkuil@xs4all.nl> + + 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. + + 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 + */ + +#ifndef _V4L2_CTRLS_H +#define _V4L2_CTRLS_H + +#include <linux/list.h> +#include <linux/device.h> + +/* forward references */ +struct v4l2_ctrl_handler; +struct v4l2_ctrl; +struct video_device; +struct v4l2_subdev; + +/** struct v4l2_ctrl_ops - The control operations that the driver has to provide. + * @g_volatile_ctrl: Get a new value for this control. Generally only relevant + * for volatile (and usually read-only) controls such as a control + * that returns the current signal strength which changes + * continuously. + * If not set, then the currently cached value will be returned. + * @try_ctrl: Test whether the control's value is valid. Only relevant when + * the usual min/max/step checks are not sufficient. + * @s_ctrl: Actually set the new control value. s_ctrl is compulsory. The + * ctrl->handler->lock is held when these ops are called, so no + * one else can access controls owned by that handler. + */ +struct v4l2_ctrl_ops { + int (*g_volatile_ctrl)(struct v4l2_ctrl *ctrl); + int (*try_ctrl)(struct v4l2_ctrl *ctrl); + int (*s_ctrl)(struct v4l2_ctrl *ctrl); +}; + +/** struct v4l2_ctrl - The control structure. + * @node: The list node. + * @handler: The handler that owns the control. + * @cluster: Point to start of cluster array. + * @ncontrols: Number of controls in cluster array. + * @has_new: Internal flag: set when there is a valid new value. + * @done: Internal flag: set for each processed control. + * @is_private: If set, then this control is private to its handler and it + * will not be added to any other handlers. Drivers can set + * this flag. + * @is_volatile: If set, then this control is volatile. This means that the + * control's current value cannot be cached and needs to be + * retrieved through the g_volatile_ctrl op. Drivers can set + * this flag. + * @ops: The control ops. + * @id: The control ID. + * @name: The control name. + * @type: The control type. + * @minimum: The control's minimum value. + * @maximum: The control's maximum value. + * @default_value: The control's default value. + * @step: The control's step value for non-menu controls. + * @menu_skip_mask: The control's skip mask for menu controls. This makes it + * easy to skip menu items that are not valid. If bit X is set, + * then menu item X is skipped. Of course, this only works for + * menus with <= 32 menu items. There are no menus that come + * close to that number, so this is OK. Should we ever need more, + * then this will have to be extended to a u64 or a bit array. + * @qmenu: A const char * array for all menu items. Array entries that are + * empty strings ("") correspond to non-existing menu items (this + * is in addition to the menu_skip_mask above). The last entry + * must be NULL. + * @flags: The control's flags. + * @cur: The control's current value. + * @val: The control's new s32 value. + * @val64: The control's new s64 value. + * @string: The control's new string value. + * @priv: The control's private pointer. For use by the driver. It is + * untouched by the control framework. Note that this pointer is + * not freed when the control is deleted. Should this be needed + * then a new internal bitfield can be added to tell the framework + * to free this pointer. + */ +struct v4l2_ctrl { + /* Administrative fields */ + struct list_head node; + struct v4l2_ctrl_handler *handler; + struct v4l2_ctrl **cluster; + unsigned ncontrols; + unsigned int has_new:1; + unsigned int done:1; + + unsigned int is_private:1; + unsigned int is_volatile:1; + + const struct v4l2_ctrl_ops *ops; + u32 id; + const char *name; + enum v4l2_ctrl_type type; + s32 minimum, maximum, default_value; + union { + u32 step; + u32 menu_skip_mask; + }; + const char **qmenu; + unsigned long flags; + union { + s32 val; + s64 val64; + char *string; + } cur; + union { + s32 val; + s64 val64; + char *string; + }; + void *priv; +}; + +/** struct v4l2_ctrl_ref - The control reference. + * @node: List node for the sorted list. + * @next: Single-link list node for the hash. + * @ctrl: The actual control information. + * + * Each control handler has a list of these refs. The list_head is used to + * keep a sorted-by-control-ID list of all controls, while the next pointer + * is used to link the control in the hash's bucket. + */ +struct v4l2_ctrl_ref { + struct list_head node; + struct v4l2_ctrl_ref *next; + struct v4l2_ctrl *ctrl; +}; + +/** struct v4l2_ctrl_handler - The control handler keeps track of all the + * controls: both the controls owned by the handler and those inherited + * from other handlers. + * @lock: Lock to control access to this handler and its controls. + * @ctrls: The list of controls owned by this handler. + * @ctrl_refs: The list of control references. + * @cached: The last found control reference. It is common that the same + * control is needed multiple times, so this is a simple + * optimization. + * @buckets: Buckets for the hashing. Allows for quick control lookup. + * @nr_of_buckets: Total number of buckets in the array. + * @error: The error code of the first failed control addition. + */ +struct v4l2_ctrl_handler { + struct mutex lock; + struct list_head ctrls; + struct list_head ctrl_refs; + struct v4l2_ctrl_ref *cached; + struct v4l2_ctrl_ref **buckets; + u16 nr_of_buckets; + int error; +}; + +/** struct v4l2_ctrl_config - Control configuration structure. + * @ops: The control ops. + * @id: The control ID. + * @name: The control name. + * @type: The control type. + * @min: The control's minimum value. + * @max: The control's maximum value. + * @step: The control's step value for non-menu controls. + * @def: The control's default value. + * @flags: The control's flags. + * @menu_skip_mask: The control's skip mask for menu controls. This makes it + * easy to skip menu items that are not valid. If bit X is set, + * then menu item X is skipped. Of course, this only works for + * menus with <= 32 menu items. There are no menus that come + * close to that number, so this is OK. Should we ever need more, + * then this will have to be extended to a u64 or a bit array. + * @qmenu: A const char * array for all menu items. Array entries that are + * empty strings ("") correspond to non-existing menu items (this + * is in addition to the menu_skip_mask above). The last entry + * must be NULL. + * @is_private: If set, then this control is private to its handler and it + * will not be added to any other handlers. + * @is_volatile: If set, then this control is volatile. This means that the + * control's current value cannot be cached and needs to be + * retrieved through the g_volatile_ctrl op. + */ +struct v4l2_ctrl_config { + const struct v4l2_ctrl_ops *ops; + u32 id; + const char *name; + enum v4l2_ctrl_type type; + s32 min; + s32 max; + u32 step; + s32 def; + u32 flags; + u32 menu_skip_mask; + const char **qmenu; + unsigned int is_private:1; + unsigned int is_volatile:1; +}; + +/** v4l2_ctrl_fill() - Fill in the control fields based on the control ID. + * + * This works for all standard V4L2 controls. + * For non-standard controls it will only fill in the given arguments + * and @name will be NULL. + * + * This function will overwrite the contents of @name, @type and @flags. + * The contents of @min, @max, @step and @def may be modified depending on + * the type. + * + * Do not use in drivers! It is used internally for backwards compatibility + * control handling only. Once all drivers are converted to use the new + * control framework this function will no longer be exported. + */ +void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, + s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags); + + +/** v4l2_ctrl_handler_init() - Initialize the control handler. + * @hdl: The control handler. + * @nr_of_controls_hint: A hint of how many controls this handler is + * expected to refer to. This is the total number, so including + * any inherited controls. It doesn't have to be precise, but if + * it is way off, then you either waste memory (too many buckets + * are allocated) or the control lookup becomes slower (not enough + * buckets are allocated, so there are more slow list lookups). + * It will always work, though. + * + * Returns an error if the buckets could not be allocated. This error will + * also be stored in @hdl->error. + */ +int v4l2_ctrl_handler_init(struct v4l2_ctrl_handler *hdl, + unsigned nr_of_controls_hint); + +/** v4l2_ctrl_handler_free() - Free all controls owned by the handler and free + * the control list. + * @hdl: The control handler. + * + * Does nothing if @hdl == NULL. + */ +void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl); + +/** v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging + * to the handler to initialize the hardware to the current control values. + * @hdl: The control handler. + * + * Button controls will be skipped, as are read-only controls. + * + * If @hdl == NULL, then this just returns 0. + */ +int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl); + +/** v4l2_ctrl_handler_log_status() - Log all controls owned by the handler. + * @hdl: The control handler. + * @prefix: The prefix to use when logging the control values. If the + * prefix does not end with a space, then ": " will be added + * after the prefix. If @prefix == NULL, then no prefix will be + * used. + * + * For use with VIDIOC_LOG_STATUS. + * + * Does nothing if @hdl == NULL. + */ +void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl, + const char *prefix); + +/** v4l2_ctrl_new_custom() - Allocate and initialize a new custom V4L2 + * control. + * @hdl: The control handler. + * @cfg: The control's configuration data. + * @priv: The control's driver-specific private data. + * + * If the &v4l2_ctrl struct could not be allocated then NULL is returned + * and @hdl->error is set to the error code (if it wasn't set already). + */ +struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_config *cfg, void *priv); + +/** v4l2_ctrl_new_std() - Allocate and initialize a new standard V4L2 non-menu control. + * @hdl: The control handler. + * @ops: The control ops. + * @id: The control ID. + * @min: The control's minimum value. + * @max: The control's maximum value. + * @step: The control's step value + * @def: The control's default value. + * + * If the &v4l2_ctrl struct could not be allocated, or the control + * ID is not known, then NULL is returned and @hdl->error is set to the + * appropriate error code (if it wasn't set already). + * + * If @id refers to a menu control, then this function will return NULL. + * + * Use v4l2_ctrl_new_std_menu() when adding menu controls. + */ +struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ops, + u32 id, s32 min, s32 max, u32 step, s32 def); + +/** v4l2_ctrl_new_std_menu() - Allocate and initialize a new standard V4L2 menu control. + * @hdl: The control handler. + * @ops: The control ops. + * @id: The control ID. + * @max: The control's maximum value. + * @mask: The control's skip mask for menu controls. This makes it + * easy to skip menu items that are not valid. If bit X is set, + * then menu item X is skipped. Of course, this only works for + * menus with <= 32 menu items. There are no menus that come + * close to that number, so this is OK. Should we ever need more, + * then this will have to be extended to a u64 or a bit array. + * @def: The control's default value. + * + * Same as v4l2_ctrl_new_std(), but @min is set to 0 and the @mask value + * determines which menu items are to be skipped. + * + * If @id refers to a non-menu control, then this function will return NULL. + */ +struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ops, + u32 id, s32 max, s32 mask, s32 def); + +/** v4l2_ctrl_add_ctrl() - Add a control from another handler to this handler. + * @hdl: The control handler. + * @ctrl: The control to add. + * + * It will return NULL if it was unable to add the control reference. + * If the control already belonged to the handler, then it will do + * nothing and just return @ctrl. + */ +struct v4l2_ctrl *v4l2_ctrl_add_ctrl(struct v4l2_ctrl_handler *hdl, + struct v4l2_ctrl *ctrl); + +/** v4l2_ctrl_add_handler() - Add all controls from handler @add to + * handler @hdl. + * @hdl: The control handler. + * @add: The control handler whose controls you want to add to + * the @hdl control handler. + * + * Does nothing if either of the two is a NULL pointer. + * In case of an error @hdl->error will be set to the error code (if it + * wasn't set already). + */ +int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl, + struct v4l2_ctrl_handler *add); + + +/** v4l2_ctrl_cluster() - Mark all controls in the cluster as belonging to that cluster. + * @ncontrols: The number of controls in this cluster. + * @controls: The cluster control array of size @ncontrols. + */ +void v4l2_ctrl_cluster(unsigned ncontrols, struct v4l2_ctrl **controls); + + +/** v4l2_ctrl_find() - Find a control with the given ID. + * @hdl: The control handler. + * @id: The control ID to find. + * + * If @hdl == NULL this will return NULL as well. Will lock the handler so + * do not use from inside &v4l2_ctrl_ops. + */ +struct v4l2_ctrl *v4l2_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id); + +/** v4l2_ctrl_activate() - Make the control active or inactive. + * @ctrl: The control to (de)activate. + * @active: True if the control should become active. + * + * This sets or clears the V4L2_CTRL_FLAG_INACTIVE flag atomically. + * Does nothing if @ctrl == NULL. + * This will usually be called from within the s_ctrl op. + * + * This function can be called regardless of whether the control handler + * is locked or not. + */ +void v4l2_ctrl_activate(struct v4l2_ctrl *ctrl, bool active); + +/** v4l2_ctrl_grab() - Mark the control as grabbed or not grabbed. + * @ctrl: The control to (de)activate. + * @grabbed: True if the control should become grabbed. + * + * This sets or clears the V4L2_CTRL_FLAG_GRABBED flag atomically. + * Does nothing if @ctrl == NULL. + * This will usually be called when starting or stopping streaming in the + * driver. + * + * This function can be called regardless of whether the control handler + * is locked or not. + */ +void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed); + +/** v4l2_ctrl_lock() - Helper function to lock the handler + * associated with the control. + * @ctrl: The control to lock. + */ +static inline void v4l2_ctrl_lock(struct v4l2_ctrl *ctrl) +{ + mutex_lock(&ctrl->handler->lock); +} + +/** v4l2_ctrl_lock() - Helper function to unlock the handler + * associated with the control. + * @ctrl: The control to unlock. + */ +static inline void v4l2_ctrl_unlock(struct v4l2_ctrl *ctrl) +{ + mutex_unlock(&ctrl->handler->lock); +} + +/** v4l2_ctrl_g_ctrl() - Helper function to get the control's value from within a driver. + * @ctrl: The control. + * + * This returns the control's value safely by going through the control + * framework. This function will lock the control's handler, so it cannot be + * used from within the &v4l2_ctrl_ops functions. + * + * This function is for integer type controls only. + */ +s32 v4l2_ctrl_g_ctrl(struct v4l2_ctrl *ctrl); + +/** v4l2_ctrl_s_ctrl() - Helper function to set the control's value from within a driver. + * @ctrl: The control. + * @val: The new value. + * + * This set the control's new value safely by going through the control + * framework. This function will lock the control's handler, so it cannot be + * used from within the &v4l2_ctrl_ops functions. + * + * This function is for integer type controls only. + */ +int v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val); + + +/* Helpers for ioctl_ops. If hdl == NULL then they will all return -EINVAL. */ +int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc); +int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm); +int v4l2_g_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *ctrl); +int v4l2_s_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *ctrl); +int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *c); +int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *c); +int v4l2_s_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *c); + +/* Helpers for subdevices. If the associated ctrl_handler == NULL then they + will all return -EINVAL. */ +int v4l2_subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc); +int v4l2_subdev_querymenu(struct v4l2_subdev *sd, struct v4l2_querymenu *qm); +int v4l2_subdev_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs); +int v4l2_subdev_try_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs); +int v4l2_subdev_s_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs); +int v4l2_subdev_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); +int v4l2_subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); + +#endif diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index bebe44b03e0f..1efcacbed01a 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -27,6 +27,7 @@ struct v4l2_ioctl_callbacks; struct video_device; struct v4l2_device; +struct v4l2_ctrl_handler; /* Flag to mark the video_device struct as registered. Drivers can clear this flag if they want to block all future @@ -67,6 +68,9 @@ struct video_device struct device *parent; /* device parent */ struct v4l2_device *v4l2_dev; /* v4l2_device parent */ + /* Control handler associated with this device node. May be NULL. */ + struct v4l2_ctrl_handler *ctrl_handler; + /* device info */ char name[32]; int vfl_type; diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index 5d5d550e63ad..8bcbd7a0271c 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -32,6 +32,8 @@ #define V4L2_DEVICE_NAME_SIZE (20 + 16) +struct v4l2_ctrl_handler; + struct v4l2_device { /* dev->driver_data points to this struct. Note: dev might be NULL if there is no parent device @@ -47,6 +49,8 @@ struct v4l2_device { /* notify callback called by some sub-devices. */ void (*notify)(struct v4l2_subdev *sd, unsigned int notification, void *arg); + /* The control handler. May be NULL. */ + struct v4l2_ctrl_handler *ctrl_handler; }; /* Initialize v4l2_dev and make dev->driver_data point to v4l2_dev. diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 02c6f4d11ed3..4a97d7341a94 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -35,6 +35,7 @@ #define V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ 0x00000001 struct v4l2_device; +struct v4l2_ctrl_handler; struct v4l2_subdev; struct tuner_setup; @@ -90,10 +91,31 @@ struct v4l2_decode_vbi_line { not yet implemented) since ops provide proper type-checking. */ +/* Subdevice external IO pin configuration */ +#define V4L2_SUBDEV_IO_PIN_DISABLE (1 << 0) /* ENABLE assumed */ +#define V4L2_SUBDEV_IO_PIN_OUTPUT (1 << 1) +#define V4L2_SUBDEV_IO_PIN_INPUT (1 << 2) +#define V4L2_SUBDEV_IO_PIN_SET_VALUE (1 << 3) /* Set output value */ +#define V4L2_SUBDEV_IO_PIN_ACTIVE_LOW (1 << 4) /* ACTIVE HIGH assumed */ + +struct v4l2_subdev_io_pin_config { + u32 flags; /* V4L2_SUBDEV_IO_PIN_* flags for this pin's config */ + u8 pin; /* Chip external IO pin to configure */ + u8 function; /* Internal signal pad/function to route to IO pin */ + u8 value; /* Initial value for pin - e.g. GPIO output value */ + u8 strength; /* Pin drive strength */ +}; + /* s_config: if set, then it is always called by the v4l2_i2c_new_subdev* functions after the v4l2_subdev was registered. It is used to pass platform data to the subdev which can be used during initialization. + s_io_pin_config: configure one or more chip I/O pins for chips that + multiplex different internal signal pads out to IO pins. This function + takes a pointer to an array of 'n' pin configuration entries, one for + each pin being configured. This function could be called at times + other than just subdevice initialization. + init: initialize the sensor registors to some sort of reasonable default values. Do not use for new drivers and should be removed in existing drivers. @@ -110,11 +132,18 @@ struct v4l2_decode_vbi_line { s_power: puts subdevice in power saving mode (on == 0) or normal operation mode (on == 1). + + interrupt_service_routine: Called by the bridge chip's interrupt service + handler, when an interrupt status has be raised due to this subdev, + so that this subdev can handle the details. It may schedule work to be + performed later. It must not sleep. *Called from an IRQ context*. */ struct v4l2_subdev_core_ops { int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip); int (*log_status)(struct v4l2_subdev *sd); int (*s_config)(struct v4l2_subdev *sd, int irq, void *platform_data); + int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n, + struct v4l2_subdev_io_pin_config *pincfg); int (*init)(struct v4l2_subdev *sd, u32 val); int (*load_fw)(struct v4l2_subdev *sd); int (*reset)(struct v4l2_subdev *sd, u32 val); @@ -133,6 +162,8 @@ struct v4l2_subdev_core_ops { int (*s_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg); #endif int (*s_power)(struct v4l2_subdev *sd, int on); + int (*interrupt_service_routine)(struct v4l2_subdev *sd, + u32 status, bool *handled); }; /* s_mode: switch the tuner to a specific tuner mode. Replacement of s_radio. @@ -307,11 +338,6 @@ struct v4l2_subdev_sensor_ops { }; /* - interrupt_service_routine: Called by the bridge chip's interrupt service - handler, when an IR interrupt status has be raised due to this subdev, - so that this subdev can handle the details. It may schedule work to be - performed later. It must not sleep. *Called from an IRQ context*. - [rt]x_g_parameters: Get the current operating parameters and state of the the IR receiver or transmitter. @@ -335,14 +361,9 @@ struct v4l2_subdev_sensor_ops { */ enum v4l2_subdev_ir_mode { - V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, /* space & mark widths in nanosecs */ + V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, /* uses struct ir_raw_event records */ }; -/* Data format of data read or written for V4L2_SUBDEV_IR_MODE_PULSE_WIDTH */ -#define V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS 0x7fffffff -#define V4L2_SUBDEV_IR_PULSE_LEVEL_MASK 0x80000000 -#define V4L2_SUBDEV_IR_PULSE_RX_SEQ_END 0xffffffff - struct v4l2_subdev_ir_parameters { /* Either Rx or Tx */ unsigned int bytes_per_data_element; /* of data in read or write call */ @@ -356,7 +377,10 @@ struct v4l2_subdev_ir_parameters { u32 max_pulse_width; /* ns, valid only for baseband signal */ unsigned int carrier_freq; /* Hz, valid only for modulated signal*/ unsigned int duty_cycle; /* percent, valid only for modulated signal*/ - bool invert; /* logically invert sense of mark/space */ + bool invert_level; /* invert signal level */ + + /* Tx only */ + bool invert_carrier_sense; /* Send 0/space as a carrier burst */ /* Rx only */ u32 noise_filter_min_width; /* ns, min time of a valid pulse */ @@ -366,10 +390,6 @@ struct v4l2_subdev_ir_parameters { }; struct v4l2_subdev_ir_ops { - /* Common to receiver and transmitter */ - int (*interrupt_service_routine)(struct v4l2_subdev *sd, - u32 status, bool *handled); - /* Receiver */ int (*rx_read)(struct v4l2_subdev *sd, u8 *buf, size_t count, ssize_t *num); @@ -415,6 +435,8 @@ struct v4l2_subdev { u32 flags; struct v4l2_device *v4l2_dev; const struct v4l2_subdev_ops *ops; + /* The control handler of this subdev. May be NULL. */ + struct v4l2_ctrl_handler *ctrl_handler; /* name must be unique */ char name[V4L2_SUBDEV_NAME_SIZE]; /* can be used to group similar subdevs, value is driver-specific */ diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index be51ae2bd0ff..4debb4514634 100644 --- a/include/mtd/mtd-abi.h +++ b/include/mtd/mtd-abi.h @@ -1,5 +1,20 @@ /* - * Portions of MTD ABI definition which are shared by kernel and user space + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al. + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __MTD_ABI_H__ @@ -110,6 +125,7 @@ struct otp_info { #define MEMERASE64 _IOW('M', 20, struct erase_info_user64) #define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64) #define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64) +#define MEMISLOCKED _IOR('M', 23, struct erase_info_user) /* * Obsolete legacy interface. Keep it in order not to break userspace diff --git a/include/mtd/mtd-user.h b/include/mtd/mtd-user.h index 170ceca3b2d0..aa3c2f86a913 100644 --- a/include/mtd/mtd-user.h +++ b/include/mtd/mtd-user.h @@ -1,5 +1,20 @@ /* - * MTD ABI header for use by user space only. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #ifndef __MTD_USER_H__ diff --git a/include/mtd/nftl-user.h b/include/mtd/nftl-user.h index 98e9e57f22de..bdeabd86ad99 100644 --- a/include/mtd/nftl-user.h +++ b/include/mtd/nftl-user.h @@ -1,5 +1,19 @@ /* - * Parts of NFTL headers shared with userspace + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * + * 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. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h index 466a8320f1e6..c0d47ad4b103 100644 --- a/include/mtd/ubi-user.h +++ b/include/mtd/ubi-user.h @@ -1,5 +1,5 @@ /* - * Copyright (c) International Business Machines Corp., 2006 + * Copyright © International Business Machines Corp., 2006 * * 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 diff --git a/include/trace/events/block.h b/include/trace/events/block.h index d870a918559c..d8ce278515c3 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -25,8 +25,10 @@ DECLARE_EVENT_CLASS(block_rq_with_error, TP_fast_assign( __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; - __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq); - __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq); + __entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + 0 : blk_rq_pos(rq); + __entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + 0 : blk_rq_sectors(rq); __entry->errors = rq->errors; blk_fill_rwbs_rq(__entry->rwbs, rq); @@ -109,9 +111,12 @@ DECLARE_EVENT_CLASS(block_rq, TP_fast_assign( __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; - __entry->sector = blk_pc_request(rq) ? 0 : blk_rq_pos(rq); - __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq); - __entry->bytes = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0; + __entry->sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + 0 : blk_rq_pos(rq); + __entry->nr_sector = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + 0 : blk_rq_sectors(rq); + __entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + blk_rq_bytes(rq) : 0; blk_fill_rwbs_rq(__entry->rwbs, rq); blk_dump_cmd(__get_str(cmd), rq); diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h new file mode 100644 index 000000000000..f345f66ae9d1 --- /dev/null +++ b/include/trace/events/writeback.h @@ -0,0 +1,159 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM writeback + +#if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_WRITEBACK_H + +#include <linux/backing-dev.h> +#include <linux/device.h> +#include <linux/writeback.h> + +struct wb_writeback_work; + +DECLARE_EVENT_CLASS(writeback_work_class, + TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), + TP_ARGS(bdi, work), + TP_STRUCT__entry( + __array(char, name, 32) + __field(long, nr_pages) + __field(dev_t, sb_dev) + __field(int, sync_mode) + __field(int, for_kupdate) + __field(int, range_cyclic) + __field(int, for_background) + ), + TP_fast_assign( + strncpy(__entry->name, dev_name(bdi->dev), 32); + __entry->nr_pages = work->nr_pages; + __entry->sb_dev = work->sb ? work->sb->s_dev : 0; + __entry->sync_mode = work->sync_mode; + __entry->for_kupdate = work->for_kupdate; + __entry->range_cyclic = work->range_cyclic; + __entry->for_background = work->for_background; + ), + TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " + "kupdate=%d range_cyclic=%d background=%d", + __entry->name, + MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), + __entry->nr_pages, + __entry->sync_mode, + __entry->for_kupdate, + __entry->range_cyclic, + __entry->for_background + ) +); +#define DEFINE_WRITEBACK_WORK_EVENT(name) \ +DEFINE_EVENT(writeback_work_class, name, \ + TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ + TP_ARGS(bdi, work)) +DEFINE_WRITEBACK_WORK_EVENT(writeback_nothread); +DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); +DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); + +TRACE_EVENT(writeback_pages_written, + TP_PROTO(long pages_written), + TP_ARGS(pages_written), + TP_STRUCT__entry( + __field(long, pages) + ), + TP_fast_assign( + __entry->pages = pages_written; + ), + TP_printk("%ld", __entry->pages) +); + +DECLARE_EVENT_CLASS(writeback_class, + TP_PROTO(struct backing_dev_info *bdi), + TP_ARGS(bdi), + TP_STRUCT__entry( + __array(char, name, 32) + ), + TP_fast_assign( + strncpy(__entry->name, dev_name(bdi->dev), 32); + ), + TP_printk("bdi %s", + __entry->name + ) +); +#define DEFINE_WRITEBACK_EVENT(name) \ +DEFINE_EVENT(writeback_class, name, \ + TP_PROTO(struct backing_dev_info *bdi), \ + TP_ARGS(bdi)) + +DEFINE_WRITEBACK_EVENT(writeback_nowork); +DEFINE_WRITEBACK_EVENT(writeback_wake_thread); +DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread); +DEFINE_WRITEBACK_EVENT(writeback_bdi_register); +DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister); +DEFINE_WRITEBACK_EVENT(writeback_thread_start); +DEFINE_WRITEBACK_EVENT(writeback_thread_stop); + +DECLARE_EVENT_CLASS(wbc_class, + TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), + TP_ARGS(wbc, bdi), + TP_STRUCT__entry( + __array(char, name, 32) + __field(long, nr_to_write) + __field(long, pages_skipped) + __field(int, sync_mode) + __field(int, nonblocking) + __field(int, encountered_congestion) + __field(int, for_kupdate) + __field(int, for_background) + __field(int, for_reclaim) + __field(int, range_cyclic) + __field(int, more_io) + __field(unsigned long, older_than_this) + __field(long, range_start) + __field(long, range_end) + ), + + TP_fast_assign( + strncpy(__entry->name, dev_name(bdi->dev), 32); + __entry->nr_to_write = wbc->nr_to_write; + __entry->pages_skipped = wbc->pages_skipped; + __entry->sync_mode = wbc->sync_mode; + __entry->for_kupdate = wbc->for_kupdate; + __entry->for_background = wbc->for_background; + __entry->for_reclaim = wbc->for_reclaim; + __entry->range_cyclic = wbc->range_cyclic; + __entry->more_io = wbc->more_io; + __entry->older_than_this = wbc->older_than_this ? + *wbc->older_than_this : 0; + __entry->range_start = (long)wbc->range_start; + __entry->range_end = (long)wbc->range_end; + ), + + TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " + "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " + "start=0x%lx end=0x%lx", + __entry->name, + __entry->nr_to_write, + __entry->pages_skipped, + __entry->sync_mode, + __entry->for_kupdate, + __entry->for_background, + __entry->for_reclaim, + __entry->range_cyclic, + __entry->more_io, + __entry->older_than_this, + __entry->range_start, + __entry->range_end) +) + +#define DEFINE_WBC_EVENT(name) \ +DEFINE_EVENT(wbc_class, name, \ + TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ + TP_ARGS(wbc, bdi)) +DEFINE_WBC_EVENT(wbc_writeback_start); +DEFINE_WBC_EVENT(wbc_writeback_written); +DEFINE_WBC_EVENT(wbc_writeback_wait); +DEFINE_WBC_EVENT(wbc_balance_dirty_start); +DEFINE_WBC_EVENT(wbc_balance_dirty_written); +DEFINE_WBC_EVENT(wbc_balance_dirty_wait); +DEFINE_WBC_EVENT(wbc_writepage); + +#endif /* _TRACE_WRITEBACK_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |