diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/amba/pl08x.h | 156 | ||||
| -rw-r--r-- | include/linux/audit.h | 4 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 61 | ||||
| -rw-r--r-- | include/linux/blkpg.h | 1 | ||||
| -rw-r--r-- | include/linux/bsg-lib.h | 1 | ||||
| -rw-r--r-- | include/linux/fs.h | 155 | ||||
| -rw-r--r-- | include/linux/genhd.h | 57 | ||||
| -rw-r--r-- | include/linux/mempool.h | 3 | ||||
| -rw-r--r-- | include/linux/mm.h | 1 | ||||
| -rw-r--r-- | include/linux/namei.h | 1 | ||||
| -rw-r--r-- | include/linux/nfsd/nfsfh.h | 1 | ||||
| -rw-r--r-- | include/linux/omap-dma.h | 22 | ||||
| -rw-r--r-- | include/linux/pipe_fs_i.h | 2 | ||||
| -rw-r--r-- | include/sound/es1688.h | 1 | ||||
| -rw-r--r-- | include/video/da8xx-fb.h | 3 | ||||
| -rw-r--r-- | include/video/omapdss.h | 51 | ||||
| -rw-r--r-- | include/video/sh_mobile_lcdc.h | 7 | ||||
| -rw-r--r-- | include/video/sh_mobile_meram.h | 71 |
18 files changed, 367 insertions, 231 deletions
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h index 02549017212a..2a5f64a11b77 100644 --- a/include/linux/amba/pl08x.h +++ b/include/linux/amba/pl08x.h @@ -21,8 +21,9 @@ #include <linux/dmaengine.h> #include <linux/interrupt.h> -struct pl08x_lli; struct pl08x_driver_data; +struct pl08x_phy_chan; +struct pl08x_txd; /* Bitmasks for selecting AHB ports for DMA transfers */ enum { @@ -46,170 +47,29 @@ enum { * devices with static assignments * @muxval: a number usually used to poke into some mux regiser to * mux in the signal to this channel - * @cctl_opt: default options for the channel control register + * @cctl_memcpy: options for the channel control register for memcpy + * *** not used for slave channels *** * @addr: source/target address in physical memory for this DMA channel, * can be the address of a FIFO register for burst requests for example. * This can be left undefined if the PrimeCell API is used for configuring * this. - * @circular_buffer: whether the buffer passed in is circular and - * shall simply be looped round round (like a record baby round - * round round round) * @single: the device connected to this channel will request single DMA * transfers, not bursts. (Bursts are default.) * @periph_buses: the device connected to this channel is accessible via * these buses (use PL08X_AHB1 | PL08X_AHB2). */ struct pl08x_channel_data { - char *bus_id; + const char *bus_id; int min_signal; int max_signal; u32 muxval; - u32 cctl; + u32 cctl_memcpy; dma_addr_t addr; - bool circular_buffer; bool single; u8 periph_buses; }; /** - * Struct pl08x_bus_data - information of source or destination - * busses for a transfer - * @addr: current address - * @maxwidth: the maximum width of a transfer on this bus - * @buswidth: the width of this bus in bytes: 1, 2 or 4 - */ -struct pl08x_bus_data { - dma_addr_t addr; - u8 maxwidth; - u8 buswidth; -}; - -/** - * struct pl08x_phy_chan - holder for the physical channels - * @id: physical index to this channel - * @lock: a lock to use when altering an instance of this struct - * @signal: the physical signal (aka channel) serving this physical channel - * right now - * @serving: the virtual channel currently being served by this physical - * channel - * @locked: channel unavailable for the system, e.g. dedicated to secure - * world - */ -struct pl08x_phy_chan { - unsigned int id; - void __iomem *base; - spinlock_t lock; - int signal; - struct pl08x_dma_chan *serving; - bool locked; -}; - -/** - * struct pl08x_sg - structure containing data per sg - * @src_addr: src address of sg - * @dst_addr: dst address of sg - * @len: transfer len in bytes - * @node: node for txd's dsg_list - */ -struct pl08x_sg { - dma_addr_t src_addr; - dma_addr_t dst_addr; - size_t len; - struct list_head node; -}; - -/** - * struct pl08x_txd - wrapper for struct dma_async_tx_descriptor - * @tx: async tx descriptor - * @node: node for txd list for channels - * @dsg_list: list of children sg's - * @direction: direction of transfer - * @llis_bus: DMA memory address (physical) start for the LLIs - * @llis_va: virtual memory address start for the LLIs - * @cctl: control reg values for current txd - * @ccfg: config reg values for current txd - */ -struct pl08x_txd { - struct dma_async_tx_descriptor tx; - struct list_head node; - struct list_head dsg_list; - enum dma_transfer_direction direction; - dma_addr_t llis_bus; - struct pl08x_lli *llis_va; - /* Default cctl value for LLIs */ - u32 cctl; - /* - * Settings to be put into the physical channel when we - * trigger this txd. Other registers are in llis_va[0]. - */ - u32 ccfg; -}; - -/** - * struct pl08x_dma_chan_state - holds the PL08x specific virtual channel - * states - * @PL08X_CHAN_IDLE: the channel is idle - * @PL08X_CHAN_RUNNING: the channel has allocated a physical transport - * channel and is running a transfer on it - * @PL08X_CHAN_PAUSED: the channel has allocated a physical transport - * channel, but the transfer is currently paused - * @PL08X_CHAN_WAITING: the channel is waiting for a physical transport - * channel to become available (only pertains to memcpy channels) - */ -enum pl08x_dma_chan_state { - PL08X_CHAN_IDLE, - PL08X_CHAN_RUNNING, - PL08X_CHAN_PAUSED, - PL08X_CHAN_WAITING, -}; - -/** - * struct pl08x_dma_chan - this structure wraps a DMA ENGINE channel - * @chan: wrappped abstract channel - * @phychan: the physical channel utilized by this channel, if there is one - * @phychan_hold: if non-zero, hold on to the physical channel even if we - * have no pending entries - * @tasklet: tasklet scheduled by the IRQ to handle actual work etc - * @name: name of channel - * @cd: channel platform data - * @runtime_addr: address for RX/TX according to the runtime config - * @runtime_direction: current direction of this channel according to - * runtime config - * @pend_list: queued transactions pending on this channel - * @at: active transaction on this channel - * @lock: a lock for this channel data - * @host: a pointer to the host (internal use) - * @state: whether the channel is idle, paused, running etc - * @slave: whether this channel is a device (slave) or for memcpy - * @device_fc: Flow Controller Settings for ccfg register. Only valid for slave - * channels. Fill with 'true' if peripheral should be flow controller. Direction - * will be selected at Runtime. - * @waiting: a TX descriptor on this channel which is waiting for a physical - * channel to become available - */ -struct pl08x_dma_chan { - struct dma_chan chan; - struct pl08x_phy_chan *phychan; - int phychan_hold; - struct tasklet_struct tasklet; - char *name; - const struct pl08x_channel_data *cd; - dma_addr_t src_addr; - dma_addr_t dst_addr; - u32 src_cctl; - u32 dst_cctl; - enum dma_transfer_direction runtime_direction; - struct list_head pend_list; - struct pl08x_txd *at; - spinlock_t lock; - struct pl08x_driver_data *host; - enum pl08x_dma_chan_state state; - bool slave; - bool device_fc; - struct pl08x_txd *waiting; -}; - -/** * struct pl08x_platform_data - the platform configuration for the PL08x * PrimeCells. * @slave_channels: the channels defined for the different devices on the @@ -229,8 +89,8 @@ struct pl08x_platform_data { const struct pl08x_channel_data *slave_channels; unsigned int num_slave_channels; struct pl08x_channel_data memcpy_channel; - int (*get_signal)(struct pl08x_dma_chan *); - void (*put_signal)(struct pl08x_dma_chan *); + int (*get_signal)(const struct pl08x_channel_data *); + void (*put_signal)(const struct pl08x_channel_data *, int); u8 lli_buses; u8 mem_buses; }; diff --git a/include/linux/audit.h b/include/linux/audit.h index 22f292a917a3..36abf2aa7e68 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -130,6 +130,7 @@ #define AUDIT_LAST_KERN_ANOM_MSG 1799 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ +#define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */ #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ @@ -687,6 +688,8 @@ extern void audit_log_d_path(struct audit_buffer *ab, const struct path *path); extern void audit_log_key(struct audit_buffer *ab, char *key); +extern void audit_log_link_denied(const char *operation, + struct path *link); extern void audit_log_lost(const char *message); #ifdef CONFIG_SECURITY extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); @@ -716,6 +719,7 @@ extern int audit_enabled; #define audit_log_untrustedstring(a,s) do { ; } while (0) #define audit_log_d_path(b, p, d) do { ; } while (0) #define audit_log_key(b, k) do { ; } while (0) +#define audit_log_link_denied(o, l) do { ; } while (0) #define audit_log_secctx(b,s) do { ; } while (0) #define audit_enabled 0 #endif diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 07954b05b86c..4e72a9d48232 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -46,16 +46,23 @@ struct blkcg_gq; struct request; typedef void (rq_end_io_fn)(struct request *, int); +#define BLK_RL_SYNCFULL (1U << 0) +#define BLK_RL_ASYNCFULL (1U << 1) + struct request_list { + struct request_queue *q; /* the queue this rl belongs to */ +#ifdef CONFIG_BLK_CGROUP + struct blkcg_gq *blkg; /* blkg this request pool belongs to */ +#endif /* * count[], starved[], and wait[] are indexed by * BLK_RW_SYNC/BLK_RW_ASYNC */ - int count[2]; - int starved[2]; - int elvpriv; - mempool_t *rq_pool; - wait_queue_head_t wait[2]; + int count[2]; + int starved[2]; + mempool_t *rq_pool; + wait_queue_head_t wait[2]; + unsigned int flags; }; /* @@ -138,6 +145,7 @@ struct request { struct hd_struct *part; unsigned long start_time; #ifdef CONFIG_BLK_CGROUP + struct request_list *rl; /* rl this rq is alloced from */ unsigned long long start_time_ns; unsigned long long io_start_time_ns; /* when passed to hardware */ #endif @@ -282,11 +290,16 @@ struct request_queue { struct list_head queue_head; struct request *last_merge; struct elevator_queue *elevator; + int nr_rqs[2]; /* # allocated [a]sync rqs */ + int nr_rqs_elvpriv; /* # allocated rqs w/ elvpriv */ /* - * the queue request freelist, one for reads and one for writes + * If blkcg is not used, @q->root_rl serves all requests. If blkcg + * is used, root blkg allocates from @q->root_rl and all other + * blkgs from their own blkg->rl. Which one to use should be + * determined using bio_request_list(). */ - struct request_list rq; + struct request_list root_rl; request_fn_proc *request_fn; make_request_fn *make_request_fn; @@ -561,27 +574,25 @@ static inline bool rq_is_sync(struct request *rq) return rw_is_sync(rq->cmd_flags); } -static inline int blk_queue_full(struct request_queue *q, int sync) +static inline bool blk_rl_full(struct request_list *rl, bool sync) { - if (sync) - return test_bit(QUEUE_FLAG_SYNCFULL, &q->queue_flags); - return test_bit(QUEUE_FLAG_ASYNCFULL, &q->queue_flags); + unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL; + + return rl->flags & flag; } -static inline void blk_set_queue_full(struct request_queue *q, int sync) +static inline void blk_set_rl_full(struct request_list *rl, bool sync) { - if (sync) - queue_flag_set(QUEUE_FLAG_SYNCFULL, q); - else - queue_flag_set(QUEUE_FLAG_ASYNCFULL, q); + unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL; + + rl->flags |= flag; } -static inline void blk_clear_queue_full(struct request_queue *q, int sync) +static inline void blk_clear_rl_full(struct request_list *rl, bool sync) { - if (sync) - queue_flag_clear(QUEUE_FLAG_SYNCFULL, q); - else - queue_flag_clear(QUEUE_FLAG_ASYNCFULL, q); + unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL; + + rl->flags &= ~flag; } @@ -911,11 +922,15 @@ struct blk_plug { }; #define BLK_MAX_REQUEST_COUNT 16 +struct blk_plug_cb; +typedef void (*blk_plug_cb_fn)(struct blk_plug_cb *, bool); struct blk_plug_cb { struct list_head list; - void (*callback)(struct blk_plug_cb *); + blk_plug_cb_fn callback; + void *data; }; - +extern struct blk_plug_cb *blk_check_plugged(blk_plug_cb_fn unplug, + void *data, int size); extern void blk_start_plug(struct blk_plug *); extern void blk_finish_plug(struct blk_plug *); extern void blk_flush_plug_list(struct blk_plug *, bool); diff --git a/include/linux/blkpg.h b/include/linux/blkpg.h index faf8a45af210..a8519446c111 100644 --- a/include/linux/blkpg.h +++ b/include/linux/blkpg.h @@ -40,6 +40,7 @@ struct blkpg_ioctl_arg { /* The subfunctions (for the op field) */ #define BLKPG_ADD_PARTITION 1 #define BLKPG_DEL_PARTITION 2 +#define BLKPG_RESIZE_PARTITION 3 /* Sizes of name fields. Unused at present. */ #define BLKPG_DEVNAMELTH 64 diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h index f55ab8cdc106..4d0fb3df2f4a 100644 --- a/include/linux/bsg-lib.h +++ b/include/linux/bsg-lib.h @@ -67,7 +67,6 @@ void bsg_job_done(struct bsg_job *job, int result, int bsg_setup_queue(struct device *dev, struct request_queue *q, char *name, bsg_job_fn *job_fn, int dd_job_size); void bsg_request_fn(struct request_queue *q); -void bsg_remove_queue(struct request_queue *q); void bsg_goose_queue(struct request_queue *q); #endif diff --git a/include/linux/fs.h b/include/linux/fs.h index d7eed5b98ae2..38dba16c4176 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -414,6 +414,7 @@ struct inodes_stat_t { #include <linux/shrinker.h> #include <linux/migrate_mode.h> #include <linux/uidgid.h> +#include <linux/lockdep.h> #include <asm/byteorder.h> @@ -440,6 +441,8 @@ extern unsigned long get_max_files(void); extern int sysctl_nr_open; extern struct inodes_stat_t inodes_stat; extern int leases_enable, lease_break_time; +extern int sysctl_protected_symlinks; +extern int sysctl_protected_hardlinks; struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, @@ -1162,7 +1165,6 @@ struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock *, struct file_lock *); void (*lm_notify)(struct file_lock *); /* unblock callback */ int (*lm_grant)(struct file_lock *, struct file_lock *, int); - void (*lm_release_private)(struct file_lock *); void (*lm_break)(struct file_lock *); int (*lm_change)(struct file_lock **, int); }; @@ -1446,6 +1448,8 @@ extern void f_delown(struct file *filp); extern pid_t f_getown(struct file *filp); extern int send_sigurg(struct fown_struct *fown); +struct mm_struct; + /* * Umount options */ @@ -1459,6 +1463,31 @@ extern int send_sigurg(struct fown_struct *fown); extern struct list_head super_blocks; extern spinlock_t sb_lock; +/* Possible states of 'frozen' field */ +enum { + SB_UNFROZEN = 0, /* FS is unfrozen */ + SB_FREEZE_WRITE = 1, /* Writes, dir ops, ioctls frozen */ + SB_FREEZE_PAGEFAULT = 2, /* Page faults stopped as well */ + SB_FREEZE_FS = 3, /* For internal FS use (e.g. to stop + * internal threads if needed) */ + SB_FREEZE_COMPLETE = 4, /* ->freeze_fs finished successfully */ +}; + +#define SB_FREEZE_LEVELS (SB_FREEZE_COMPLETE - 1) + +struct sb_writers { + /* Counters for counting writers at each level */ + struct percpu_counter counter[SB_FREEZE_LEVELS]; + wait_queue_head_t wait; /* queue for waiting for + writers / faults to finish */ + int frozen; /* Is sb frozen? */ + wait_queue_head_t wait_unfrozen; /* queue for waiting for + sb to be thawed */ +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map lock_map[SB_FREEZE_LEVELS]; +#endif +}; + struct super_block { struct list_head s_list; /* Keep this first */ dev_t s_dev; /* search index; _not_ kdev_t */ @@ -1506,8 +1535,7 @@ struct super_block { struct hlist_node s_instances; struct quota_info s_dquot; /* Diskquota specific options */ - int s_frozen; - wait_queue_head_t s_wait_unfrozen; + struct sb_writers s_writers; char s_id[32]; /* Informational name */ u8 s_uuid[16]; /* UUID */ @@ -1562,14 +1590,117 @@ extern struct timespec current_fs_time(struct super_block *sb); /* * Snapshotting support. */ -enum { - SB_UNFROZEN = 0, - SB_FREEZE_WRITE = 1, - SB_FREEZE_TRANS = 2, -}; -#define vfs_check_frozen(sb, level) \ - wait_event((sb)->s_wait_unfrozen, ((sb)->s_frozen < (level))) +void __sb_end_write(struct super_block *sb, int level); +int __sb_start_write(struct super_block *sb, int level, bool wait); + +/** + * sb_end_write - drop write access to a superblock + * @sb: the super we wrote to + * + * Decrement number of writers to the filesystem. Wake up possible waiters + * wanting to freeze the filesystem. + */ +static inline void sb_end_write(struct super_block *sb) +{ + __sb_end_write(sb, SB_FREEZE_WRITE); +} + +/** + * sb_end_pagefault - drop write access to a superblock from a page fault + * @sb: the super we wrote to + * + * Decrement number of processes handling write page fault to the filesystem. + * Wake up possible waiters wanting to freeze the filesystem. + */ +static inline void sb_end_pagefault(struct super_block *sb) +{ + __sb_end_write(sb, SB_FREEZE_PAGEFAULT); +} + +/** + * sb_end_intwrite - drop write access to a superblock for internal fs purposes + * @sb: the super we wrote to + * + * Decrement fs-internal number of writers to the filesystem. Wake up possible + * waiters wanting to freeze the filesystem. + */ +static inline void sb_end_intwrite(struct super_block *sb) +{ + __sb_end_write(sb, SB_FREEZE_FS); +} + +/** + * sb_start_write - get write access to a superblock + * @sb: the super we write to + * + * When a process wants to write data or metadata to a file system (i.e. dirty + * a page or an inode), it should embed the operation in a sb_start_write() - + * sb_end_write() pair to get exclusion against file system freezing. This + * function increments number of writers preventing freezing. If the file + * system is already frozen, the function waits until the file system is + * thawed. + * + * Since freeze protection behaves as a lock, users have to preserve + * ordering of freeze protection and other filesystem locks. Generally, + * freeze protection should be the outermost lock. In particular, we have: + * + * sb_start_write + * -> i_mutex (write path, truncate, directory ops, ...) + * -> s_umount (freeze_super, thaw_super) + */ +static inline void sb_start_write(struct super_block *sb) +{ + __sb_start_write(sb, SB_FREEZE_WRITE, true); +} + +static inline int sb_start_write_trylock(struct super_block *sb) +{ + return __sb_start_write(sb, SB_FREEZE_WRITE, false); +} + +/** + * sb_start_pagefault - get write access to a superblock from a page fault + * @sb: the super we write to + * + * When a process starts handling write page fault, it should embed the + * operation into sb_start_pagefault() - sb_end_pagefault() pair to get + * exclusion against file system freezing. This is needed since the page fault + * is going to dirty a page. This function increments number of running page + * faults preventing freezing. If the file system is already frozen, the + * function waits until the file system is thawed. + * + * Since page fault freeze protection behaves as a lock, users have to preserve + * ordering of freeze protection and other filesystem locks. It is advised to + * put sb_start_pagefault() close to mmap_sem in lock ordering. Page fault + * handling code implies lock dependency: + * + * mmap_sem + * -> sb_start_pagefault + */ +static inline void sb_start_pagefault(struct super_block *sb) +{ + __sb_start_write(sb, SB_FREEZE_PAGEFAULT, true); +} + +/* + * sb_start_intwrite - get write access to a superblock for internal fs purposes + * @sb: the super we write to + * + * This is the third level of protection against filesystem freezing. It is + * free for use by a filesystem. The only requirement is that it must rank + * below sb_start_pagefault. + * + * For example filesystem can call sb_start_intwrite() when starting a + * transaction which somewhat eases handling of freezing for internal sources + * of filesystem changes (internal fs threads, discarding preallocation on file + * close, etc.). + */ +static inline void sb_start_intwrite(struct super_block *sb) +{ + __sb_start_write(sb, SB_FREEZE_FS, true); +} + extern bool inode_owner_or_capable(const struct inode *inode); @@ -1893,6 +2024,7 @@ struct file_system_type { struct lock_class_key s_lock_key; struct lock_class_key s_umount_key; struct lock_class_key s_vfs_rename_key; + struct lock_class_key s_writers_key[SB_FREEZE_LEVELS]; struct lock_class_key i_lock_key; struct lock_class_key i_mutex_key; @@ -2335,9 +2467,6 @@ static inline void i_readcount_inc(struct inode *inode) } #endif extern int do_pipe_flags(int *, int); -extern struct file *create_read_pipe(struct file *f, int flags); -extern struct file *create_write_pipe(int flags); -extern void free_write_pipe(struct file *); extern int kernel_read(struct file *, loff_t, char *, unsigned long); extern struct file * open_exec(const char *); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ae0aaa9d42fa..4f440b3e89fe 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -97,7 +97,13 @@ struct partition_meta_info { struct hd_struct { sector_t start_sect; + /* + * nr_sects is protected by sequence counter. One might extend a + * partition while IO is happening to it and update of nr_sects + * can be non-atomic on 32bit machines with 64bit sector_t. + */ sector_t nr_sects; + seqcount_t nr_sects_seq; sector_t alignment_offset; unsigned int discard_alignment; struct device __dev; @@ -647,6 +653,57 @@ static inline void hd_struct_put(struct hd_struct *part) __delete_partition(part); } +/* + * Any access of part->nr_sects which is not protected by partition + * bd_mutex or gendisk bdev bd_mutex, should be done using this + * accessor function. + * + * Code written along the lines of i_size_read() and i_size_write(). + * CONFIG_PREEMPT case optimizes the case of UP kernel with preemption + * on. + */ +static inline sector_t part_nr_sects_read(struct hd_struct *part) +{ +#if BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_SMP) + sector_t nr_sects; + unsigned seq; + do { + seq = read_seqcount_begin(&part->nr_sects_seq); + nr_sects = part->nr_sects; + } while (read_seqcount_retry(&part->nr_sects_seq, seq)); + return nr_sects; +#elif BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_PREEMPT) + sector_t nr_sects; + + preempt_disable(); + nr_sects = part->nr_sects; + preempt_enable(); + return nr_sects; +#else + return part->nr_sects; +#endif +} + +/* + * Should be called with mutex lock held (typically bd_mutex) of partition + * to provide mutual exlusion among writers otherwise seqcount might be + * left in wrong state leaving the readers spinning infinitely. + */ +static inline void part_nr_sects_write(struct hd_struct *part, sector_t size) +{ +#if BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_SMP) + write_seqcount_begin(&part->nr_sects_seq); + part->nr_sects = size; + write_seqcount_end(&part->nr_sects_seq); +#elif BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_PREEMPT) + preempt_disable(); + part->nr_sects = size; + preempt_enable(); +#else + part->nr_sects = size; +#endif +} + #else /* CONFIG_BLOCK */ static inline void printk_all_partitions(void) { } diff --git a/include/linux/mempool.h b/include/linux/mempool.h index 7c08052e3321..39ed62ab5b8a 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -26,7 +26,8 @@ typedef struct mempool_s { extern mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn, mempool_free_t *free_fn, void *pool_data); extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn, - mempool_free_t *free_fn, void *pool_data, int nid); + mempool_free_t *free_fn, void *pool_data, + gfp_t gfp_mask, int nid); extern int mempool_resize(mempool_t *pool, int new_min_nr, gfp_t gfp_mask); extern void mempool_destroy(mempool_t *pool); diff --git a/include/linux/mm.h b/include/linux/mm.h index bd079a1b0fdc..311be906b57d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1441,6 +1441,7 @@ extern void truncate_inode_pages_range(struct address_space *, /* generic vm_area_ops exported for stackable file systems */ extern int filemap_fault(struct vm_area_struct *, struct vm_fault *); +extern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf); /* mm/page-writeback.c */ int write_one_page(struct page *page, int wait); diff --git a/include/linux/namei.h b/include/linux/namei.h index d2ef8b34b967..4bf19d8174ed 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -67,6 +67,7 @@ extern int kern_path(const char *, unsigned, struct path *); extern struct dentry *kern_path_create(int, const char *, struct path *, int); extern struct dentry *user_path_create(int, const char __user *, struct path *, int); +extern void done_path_create(struct path *, struct dentry *); extern struct dentry *kern_path_locked(const char *, struct path *); extern int vfs_path_lookup(struct dentry *, struct vfsmount *, const char *, unsigned int, struct path *); diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h index ce4743a26015..fa63048fecff 100644 --- a/include/linux/nfsd/nfsfh.h +++ b/include/linux/nfsd/nfsfh.h @@ -143,6 +143,7 @@ typedef struct svc_fh { int fh_maxsize; /* max size for fh_handle */ unsigned char fh_locked; /* inode locked by us */ + unsigned char fh_want_write; /* remount protection taken */ #ifdef CONFIG_NFSD_V3 unsigned char fh_post_saved; /* post-op attrs saved */ diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h new file mode 100644 index 000000000000..eb475a8ea25b --- /dev/null +++ b/include/linux/omap-dma.h @@ -0,0 +1,22 @@ +/* + * OMAP DMA Engine support + * + * 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 + * published by the Free Software Foundation. + */ +#ifndef __LINUX_OMAP_DMA_H +#define __LINUX_OMAP_DMA_H + +struct dma_chan; + +#if defined(CONFIG_DMA_OMAP) || defined(CONFIG_DMA_OMAP_MODULE) +bool omap_dma_filter_fn(struct dma_chan *, void *); +#else +static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d) +{ + return false; +} +#endif + +#endif diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index e11d1c0fc60f..ad1a427b5267 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -160,4 +160,6 @@ void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); long pipe_fcntl(struct file *, unsigned int, unsigned long arg); struct pipe_inode_info *get_pipe_info(struct file *file); +int create_pipe_files(struct file **, int); + #endif diff --git a/include/sound/es1688.h b/include/sound/es1688.h index 3ec7ecbe2502..f752dd33dfaf 100644 --- a/include/sound/es1688.h +++ b/include/sound/es1688.h @@ -29,6 +29,7 @@ #define ES1688_HW_AUTO 0x0000 #define ES1688_HW_688 0x0001 #define ES1688_HW_1688 0x0002 +#define ES1688_HW_UNDEF 0x0003 struct snd_es1688 { unsigned long port; /* port of ESS chip */ diff --git a/include/video/da8xx-fb.h b/include/video/da8xx-fb.h index 89d43b3d4cb9..5a0e4f9efb53 100644 --- a/include/video/da8xx-fb.h +++ b/include/video/da8xx-fb.h @@ -82,6 +82,9 @@ struct lcd_ctrl_config { /* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */ unsigned char raster_order; + + /* DMA FIFO threshold */ + int fifo_th; }; struct lcd_sync_arg { diff --git a/include/video/omapdss.h b/include/video/omapdss.h index c8e59b4a3364..a6267a2d292b 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -48,6 +48,10 @@ #define DISPC_IRQ_FRAMEDONEWB (1 << 23) #define DISPC_IRQ_FRAMEDONETV (1 << 24) #define DISPC_IRQ_WBBUFFEROVERFLOW (1 << 25) +#define DISPC_IRQ_FRAMEDONE3 (1 << 26) +#define DISPC_IRQ_VSYNC3 (1 << 27) +#define DISPC_IRQ_ACBIAS_COUNT_STAT3 (1 << 28) +#define DISPC_IRQ_SYNC_LOST3 (1 << 29) struct omap_dss_device; struct omap_overlay_manager; @@ -75,6 +79,7 @@ enum omap_channel { OMAP_DSS_CHANNEL_LCD = 0, OMAP_DSS_CHANNEL_DIGIT = 1, OMAP_DSS_CHANNEL_LCD2 = 2, + OMAP_DSS_CHANNEL_LCD3 = 3, }; enum omap_color_mode { @@ -99,11 +104,6 @@ enum omap_color_mode { OMAP_DSS_COLOR_XRGB16_1555 = 1 << 18, /* xRGB16 - 1555 */ }; -enum omap_lcd_display_type { - OMAP_DSS_LCD_DISPLAY_STN, - OMAP_DSS_LCD_DISPLAY_TFT, -}; - enum omap_dss_load_mode { OMAP_DSS_LOAD_CLUT_AND_FRAME = 0, OMAP_DSS_LOAD_CLUT_ONLY = 1, @@ -121,15 +121,15 @@ enum omap_rfbi_te_mode { OMAP_DSS_RFBI_TE_MODE_2 = 2, }; -enum omap_panel_config { - OMAP_DSS_LCD_IVS = 1<<0, - OMAP_DSS_LCD_IHS = 1<<1, - OMAP_DSS_LCD_IPC = 1<<2, - OMAP_DSS_LCD_IEO = 1<<3, - OMAP_DSS_LCD_RF = 1<<4, - OMAP_DSS_LCD_ONOFF = 1<<5, +enum omap_dss_signal_level { + OMAPDSS_SIG_ACTIVE_HIGH = 0, + OMAPDSS_SIG_ACTIVE_LOW = 1, +}; - OMAP_DSS_LCD_TFT = 1<<20, +enum omap_dss_signal_edge { + OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES, + OMAPDSS_DRIVE_SIG_RISING_EDGE, + OMAPDSS_DRIVE_SIG_FALLING_EDGE, }; enum omap_dss_venc_type { @@ -167,13 +167,6 @@ enum omap_dss_audio_state { OMAP_DSS_AUDIO_PLAYING, }; -/* XXX perhaps this should be removed */ -enum omap_dss_overlay_managers { - OMAP_DSS_OVL_MGR_LCD, - OMAP_DSS_OVL_MGR_TV, - OMAP_DSS_OVL_MGR_LCD2, -}; - enum omap_dss_rotation_type { OMAP_DSS_ROT_DMA = 1 << 0, OMAP_DSS_ROT_VRFB = 1 << 1, @@ -268,9 +261,6 @@ struct omap_dss_dsi_videomode_data { int hfp_blanking_mode; /* Video port sync events */ - int vp_de_pol; - int vp_hsync_pol; - int vp_vsync_pol; bool vp_vsync_end; bool vp_hsync_end; @@ -346,6 +336,19 @@ struct omap_video_timings { u16 vfp; /* Vertical front porch */ /* Unit: line clocks */ u16 vbp; /* Vertical back porch */ + + /* Vsync logic level */ + enum omap_dss_signal_level vsync_level; + /* Hsync logic level */ + enum omap_dss_signal_level hsync_level; + /* Interlaced or Progressive timings */ + bool interlace; + /* Pixel clock edge to drive LCD data */ + enum omap_dss_signal_edge data_pclk_edge; + /* Data enable logic level */ + enum omap_dss_signal_level de_level; + /* Pixel clock edges to drive HSYNC and VSYNC signals */ + enum omap_dss_signal_edge sync_pclk_edge; }; #ifdef CONFIG_OMAP2_DSS_VENC @@ -559,8 +562,6 @@ struct omap_dss_device { /* Unit: line clocks */ int acb; /* ac-bias pin frequency */ - enum omap_panel_config config; - enum omap_dss_dsi_pixel_format dsi_pix_fmt; enum omap_dss_dsi_mode dsi_mode; struct omap_dss_dsi_videomode_data dsi_vm_data; diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h index 7571b27a0ba1..ff43ffc1aab2 100644 --- a/include/video/sh_mobile_lcdc.h +++ b/include/video/sh_mobile_lcdc.h @@ -166,6 +166,12 @@ struct sh_mobile_lcdc_bl_info { int (*get_brightness)(void); }; +struct sh_mobile_lcdc_overlay_cfg { + int fourcc; + unsigned int max_xres; + unsigned int max_yres; +}; + struct sh_mobile_lcdc_chan_cfg { int chan; int fourcc; @@ -186,6 +192,7 @@ struct sh_mobile_lcdc_chan_cfg { struct sh_mobile_lcdc_info { int clock_source; struct sh_mobile_lcdc_chan_cfg ch[2]; + struct sh_mobile_lcdc_overlay_cfg overlays[4]; struct sh_mobile_meram_info *meram_dev; }; diff --git a/include/video/sh_mobile_meram.h b/include/video/sh_mobile_meram.h index 29b2fd3b147e..062e6e7f955c 100644 --- a/include/video/sh_mobile_meram.h +++ b/include/video/sh_mobile_meram.h @@ -15,7 +15,6 @@ enum { struct sh_mobile_meram_priv; -struct sh_mobile_meram_ops; /* * struct sh_mobile_meram_info - MERAM platform data @@ -24,7 +23,6 @@ struct sh_mobile_meram_ops; struct sh_mobile_meram_info { int addr_mode; u32 reserved_icbs; - struct sh_mobile_meram_ops *ops; struct sh_mobile_meram_priv *priv; struct platform_device *pdev; }; @@ -38,26 +36,59 @@ struct sh_mobile_meram_cfg { struct sh_mobile_meram_icb_cfg icb[2]; }; -struct module; -struct sh_mobile_meram_ops { - struct module *module; - /* register usage of meram */ - void *(*meram_register)(struct sh_mobile_meram_info *meram_dev, - const struct sh_mobile_meram_cfg *cfg, - unsigned int xres, unsigned int yres, - unsigned int pixelformat, - unsigned int *pitch); - - /* unregister usage of meram */ - void (*meram_unregister)(struct sh_mobile_meram_info *meram_dev, - void *data); - - /* update meram settings */ - void (*meram_update)(struct sh_mobile_meram_info *meram_dev, void *data, +#if defined(CONFIG_FB_SH_MOBILE_MERAM) || \ + defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE) +unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, + size_t size); +void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev, + unsigned long mem, size_t size); +void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev, + const struct sh_mobile_meram_cfg *cfg, + unsigned int xres, unsigned int yres, + unsigned int pixelformat, + unsigned int *pitch); +void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data); +void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data, + unsigned long base_addr_y, + unsigned long base_addr_c, + unsigned long *icb_addr_y, + unsigned long *icb_addr_c); +#else +static inline unsigned long +sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size) +{ + return 0; +} + +static inline void +sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev, + unsigned long mem, size_t size) +{ +} + +static inline void * +sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev, + const struct sh_mobile_meram_cfg *cfg, + unsigned int xres, unsigned int yres, + unsigned int pixelformat, + unsigned int *pitch) +{ + return ERR_PTR(-ENODEV); +} + +static inline void +sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data) +{ +} + +static inline void +sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data, unsigned long base_addr_y, unsigned long base_addr_c, unsigned long *icb_addr_y, - unsigned long *icb_addr_c); -}; + unsigned long *icb_addr_c) +{ +} +#endif #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */ |