diff options
Diffstat (limited to 'include/linux')
42 files changed, 1553 insertions, 1058 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index f30fa92a44a..bd694f77934 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -49,6 +49,7 @@ header-y += comstats.h header-y += const.h header-y += cgroupstats.h header-y += cycx_cfm.h +header-y += dlmconstants.h header-y += dlm_device.h header-y += dlm_netlink.h header-y += dm-ioctl.h diff --git a/include/linux/ata.h b/include/linux/ata.h index e672e80202a..78bbacaed8c 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -286,9 +286,10 @@ enum { ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, ATA_CBL_PATA80 = 2, - ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ - ATA_CBL_PATA_UNK = 4, - ATA_CBL_SATA = 5, + ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ + ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */ + ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */ + ATA_CBL_SATA = 6, /* SATA Status and Control Registers */ SCR_STATUS = 0, @@ -324,6 +325,13 @@ enum { ATA_TFLAG_LBA = (1 << 4), /* enable LBA */ ATA_TFLAG_FUA = (1 << 5), /* enable FUA */ ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */ + + /* protocol flags */ + ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ + ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ + ATA_PROT_FLAG_DATA = ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA, + ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ + ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ }; enum ata_tf_protocols { @@ -333,9 +341,9 @@ enum ata_tf_protocols { ATA_PROT_PIO, /* PIO data xfer */ ATA_PROT_DMA, /* DMA */ ATA_PROT_NCQ, /* NCQ */ - ATA_PROT_ATAPI, /* packet command, PIO data xfer*/ - ATA_PROT_ATAPI_NODATA, /* packet command, no data */ - ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */ + ATAPI_PROT_NODATA, /* packet command, no data */ + ATAPI_PROT_PIO, /* packet command, PIO data xfer*/ + ATAPI_PROT_DMA, /* packet command with special DMA sauce */ }; enum ata_ioctls { @@ -346,8 +354,8 @@ enum ata_ioctls { /* core structures */ struct ata_prd { - u32 addr; - u32 flags_len; + __le32 addr; + __le32 flags_len; }; struct ata_taskfile { @@ -373,13 +381,69 @@ struct ata_taskfile { u8 command; /* IO operation */ }; +/* + * protocol tests + */ +static inline unsigned int ata_prot_flags(u8 prot) +{ + switch (prot) { + case ATA_PROT_NODATA: + return 0; + case ATA_PROT_PIO: + return ATA_PROT_FLAG_PIO; + case ATA_PROT_DMA: + return ATA_PROT_FLAG_DMA; + case ATA_PROT_NCQ: + return ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ; + case ATAPI_PROT_NODATA: + return ATA_PROT_FLAG_ATAPI; + case ATAPI_PROT_PIO: + return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO; + case ATAPI_PROT_DMA: + return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA; + } + return 0; +} + +static inline int ata_is_atapi(u8 prot) +{ + return ata_prot_flags(prot) & ATA_PROT_FLAG_ATAPI; +} + +static inline int ata_is_nodata(u8 prot) +{ + return !(ata_prot_flags(prot) & ATA_PROT_FLAG_DATA); +} + +static inline int ata_is_pio(u8 prot) +{ + return ata_prot_flags(prot) & ATA_PROT_FLAG_PIO; +} + +static inline int ata_is_dma(u8 prot) +{ + return ata_prot_flags(prot) & ATA_PROT_FLAG_DMA; +} + +static inline int ata_is_ncq(u8 prot) +{ + return ata_prot_flags(prot) & ATA_PROT_FLAG_NCQ; +} + +static inline int ata_is_data(u8 prot) +{ + return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA; +} + +/* + * id tests + */ #define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0) #define ata_id_has_lba(id) ((id)[49] & (1 << 9)) #define ata_id_has_dma(id) ((id)[49] & (1 << 8)) #define ata_id_has_ncq(id) ((id)[76] & (1 << 8)) #define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1) #define ata_id_removeable(id) ((id)[0] & (1 << 7)) -#define ata_id_has_dword_io(id) ((id)[48] & (1 << 0)) #define ata_id_has_atapi_AN(id) \ ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ ((id)[78] & (1 << 5)) ) @@ -415,6 +479,7 @@ static inline bool ata_id_has_dipm(const u16 *id) return val & (1 << 3); } + static inline int ata_id_has_fua(const u16 *id) { if ((id[84] & 0xC000) != 0x4000) @@ -519,6 +584,26 @@ static inline int ata_id_is_sata(const u16 *id) return ata_id_major_version(id) >= 5 && id[93] == 0; } +static inline int ata_id_has_tpm(const u16 *id) +{ + /* The TPM bits are only valid on ATA8 */ + if (ata_id_major_version(id) < 8) + return 0; + if ((id[48] & 0xC000) != 0x4000) + return 0; + return id[48] & (1 << 0); +} + +static inline int ata_id_has_dword_io(const u16 *id) +{ + /* ATA 8 reuses this flag for "trusted" computing */ + if (ata_id_major_version(id) > 7) + return 0; + if (id[48] & (1 << 0)) + return 1; + return 0; +} + static inline int ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command @@ -574,13 +659,6 @@ static inline int atapi_command_packet_set(const u16 *dev_id) return (dev_id[0] >> 8) & 0x1f; } -static inline int is_atapi_taskfile(const struct ata_taskfile *tf) -{ - return (tf->protocol == ATA_PROT_ATAPI) || - (tf->protocol == ATA_PROT_ATAPI_NODATA) || - (tf->protocol == ATA_PROT_ATAPI_DMA); -} - static inline int is_multi_taskfile(struct ata_taskfile *tf) { return (tf->command == ATA_CMD_READ_MULTI) || diff --git a/include/linux/attribute_container.h b/include/linux/attribute_container.h index 8ff27493394..f5582332af0 100644 --- a/include/linux/attribute_container.h +++ b/include/linux/attribute_container.h @@ -17,6 +17,7 @@ struct attribute_container { struct list_head node; struct klist containers; struct class *class; + struct attribute_group *grp; struct class_device_attribute **attrs; int (*match)(struct attribute_container *, struct device *); #define ATTRIBUTE_CONTAINER_NO_CLASSDEVS 0x01 diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d18ee67b40f..71e7a847dff 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -34,83 +34,10 @@ struct sg_io_hdr; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ -/* - * This is the per-process anticipatory I/O scheduler state. - */ -struct as_io_context { - spinlock_t lock; - - void (*dtor)(struct as_io_context *aic); /* destructor */ - void (*exit)(struct as_io_context *aic); /* called on task exit */ - - unsigned long state; - atomic_t nr_queued; /* queued reads & sync writes */ - atomic_t nr_dispatched; /* number of requests gone to the drivers */ - - /* IO History tracking */ - /* Thinktime */ - unsigned long last_end_request; - unsigned long ttime_total; - unsigned long ttime_samples; - unsigned long ttime_mean; - /* Layout pattern */ - unsigned int seek_samples; - sector_t last_request_pos; - u64 seek_total; - sector_t seek_mean; -}; - -struct cfq_queue; -struct cfq_io_context { - struct rb_node rb_node; - void *key; - - struct cfq_queue *cfqq[2]; - - struct io_context *ioc; - - unsigned long last_end_request; - sector_t last_request_pos; - - unsigned long ttime_total; - unsigned long ttime_samples; - unsigned long ttime_mean; - - unsigned int seek_samples; - u64 seek_total; - sector_t seek_mean; - - struct list_head queue_list; - - void (*dtor)(struct io_context *); /* destructor */ - void (*exit)(struct io_context *); /* called on task exit */ -}; - -/* - * This is the per-process I/O subsystem state. It is refcounted and - * kmalloc'ed. Currently all fields are modified in process io context - * (apart from the atomic refcount), so require no locking. - */ -struct io_context { - atomic_t refcount; - struct task_struct *task; - - unsigned int ioprio_changed; - - /* - * For request batching - */ - unsigned long last_waited; /* Time last woken after wait for request */ - int nr_batch_requests; /* Number of requests left in the batch */ - - struct as_io_context *aic; - struct rb_root cic_root; - void *ioc_data; -}; - -void put_io_context(struct io_context *ioc); +int put_io_context(struct io_context *ioc); void exit_io_context(void); struct io_context *get_io_context(gfp_t gfp_flags, int node); +struct io_context *alloc_io_context(gfp_t gfp_flags, int node); void copy_io_context(struct io_context **pdst, struct io_context **psrc); void swap_io_context(struct io_context **ioc1, struct io_context **ioc2); @@ -143,8 +70,6 @@ enum rq_cmd_type_bits { * use REQ_TYPE_SPECIAL and use rq->cmd[0] with the range of driver * private REQ_LB opcodes to differentiate what type of request this is */ - REQ_TYPE_ATA_CMD, - REQ_TYPE_ATA_TASK, REQ_TYPE_ATA_TASKFILE, REQ_TYPE_ATA_PC, }; @@ -431,6 +356,8 @@ struct request_queue unsigned int max_segment_size; unsigned long seg_boundary_mask; + void *dma_drain_buffer; + unsigned int dma_drain_size; unsigned int dma_alignment; struct blk_queue_tag *queue_tags; @@ -539,6 +466,8 @@ enum { #define blk_fua_rq(rq) ((rq)->cmd_flags & REQ_FUA) #define blk_bidi_rq(rq) ((rq)->next_rq != NULL) #define blk_empty_barrier(rq) (blk_barrier_rq(rq) && blk_fs_request(rq) && !(rq)->hard_nr_sectors) +/* rq->queuelist of dequeued request must be list_empty() */ +#define blk_queued_rq(rq) (!list_empty(&(rq)->queuelist)) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) @@ -718,29 +647,32 @@ static inline void blk_run_address_space(struct address_space *mapping) } /* - * end_request() and friends. Must be called with the request queue spinlock - * acquired. All functions called within end_request() _must_be_ atomic. + * blk_end_request() and friends. + * __blk_end_request() and end_request() must be called with + * the request queue spinlock acquired. * * Several drivers define their own end_request and call - * end_that_request_first() and end_that_request_last() - * for parts of the original function. This prevents - * code duplication in drivers. + * blk_end_request() for parts of the original function. + * This prevents code duplication in drivers. */ -extern int end_that_request_first(struct request *, int, int); -extern int end_that_request_chunk(struct request *, int, int); -extern void end_that_request_last(struct request *, int); +extern int blk_end_request(struct request *rq, int error, int nr_bytes); +extern int __blk_end_request(struct request *rq, int error, int nr_bytes); +extern int blk_end_bidi_request(struct request *rq, int error, int nr_bytes, + int bidi_bytes); extern void end_request(struct request *, int); extern void end_queued_request(struct request *, int); extern void end_dequeued_request(struct request *, int); +extern int blk_end_request_callback(struct request *rq, int error, int nr_bytes, + int (drv_callback)(struct request *)); extern void blk_complete_request(struct request *); /* - * end_that_request_first/chunk() takes an uptodate argument. we account - * any value <= as an io error. 0 means -EIO for compatability reasons, - * any other < 0 value is the direct error type. An uptodate value of - * 1 indicates successful io completion + * blk_end_request() takes bytes instead of sectors as a complete size. + * blk_rq_bytes() returns bytes left to complete in the entire request. + * blk_rq_cur_bytes() returns bytes left to complete in the current segment. */ -#define end_io_error(uptodate) (unlikely((uptodate) <= 0)) +extern unsigned int blk_rq_bytes(struct request *rq); +extern unsigned int blk_rq_cur_bytes(struct request *rq); static inline void blkdev_dequeue_request(struct request *req) { @@ -762,10 +694,13 @@ extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short); extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); +extern int blk_queue_dma_drain(struct request_queue *q, void *buf, + unsigned int size); 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_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); extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *); 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 *); @@ -837,12 +772,7 @@ static inline int bdev_hardsect_size(struct block_device *bdev) static inline int queue_dma_alignment(struct request_queue *q) { - int retval = 511; - - if (q && q->dma_alignment) - retval = q->dma_alignment; - - return retval; + return q ? q->dma_alignment : 511; } /* assumes size > 256 */ @@ -895,6 +825,12 @@ static inline void exit_io_context(void) { } +static inline int put_io_context(struct io_context *ioc) +{ + return 1; +} + + #endif /* CONFIG_BLOCK */ #endif diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 7e11d23ac36..06dadba349a 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -148,7 +148,7 @@ extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); extern void blk_trace_shutdown(struct request_queue *); extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *); extern int do_blk_trace_setup(struct request_queue *q, - struct block_device *bdev, struct blk_user_trace_setup *buts); + char *name, dev_t dev, struct blk_user_trace_setup *buts); /** @@ -282,6 +282,11 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio, __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r); } +extern int blk_trace_setup(request_queue_t *q, char *name, dev_t dev, + char __user *arg); +extern int blk_trace_startstop(request_queue_t *q, int start); +extern int blk_trace_remove(request_queue_t *q); + #else /* !CONFIG_BLK_DEV_IO_TRACE */ #define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) #define blk_trace_shutdown(q) do { } while (0) @@ -290,7 +295,10 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio, #define blk_add_trace_generic(q, rq, rw, what) do { } while (0) #define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0) #define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0) -#define do_blk_trace_setup(q, bdev, buts) (-ENOTTY) +#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY) +#define blk_trace_setup(q, name, dev, arg) (-ENOTTY) +#define blk_trace_startstop(q, start) (-ENOTTY) +#define blk_trace_remove(q) (-ENOTTY) #endif /* CONFIG_BLK_DEV_IO_TRACE */ #endif /* __KERNEL__ */ #endif diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index c6d3e22c062..fcdc11b9609 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -451,6 +451,7 @@ struct cdrom_generic_command #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e #define GPCMD_READ_10 0x28 #define GPCMD_READ_12 0xa8 +#define GPCMD_READ_BUFFER 0x3c #define GPCMD_READ_BUFFER_CAPACITY 0x5c #define GPCMD_READ_CDVD_CAPACITY 0x25 #define GPCMD_READ_CD 0xbe @@ -480,7 +481,9 @@ struct cdrom_generic_command #define GPCMD_TEST_UNIT_READY 0x00 #define GPCMD_VERIFY_10 0x2f #define GPCMD_WRITE_10 0x2a +#define GPCMD_WRITE_12 0xaa #define GPCMD_WRITE_AND_VERIFY_10 0x2e +#define GPCMD_WRITE_BUFFER 0x3b /* This is listed as optional in ATAPI 2.6, but is (curiously) * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji * Table 377 as an MMC command for SCSi devices though... Most ATAPI diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 92f2029a34f..0be8d65bc3c 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -71,18 +71,27 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb) int cpu_up(unsigned int cpu); +extern void cpu_hotplug_init(void); + #else static inline int register_cpu_notifier(struct notifier_block *nb) { return 0; } + static inline void unregister_cpu_notifier(struct notifier_block *nb) { } +static inline void cpu_hotplug_init(void) +{ +} + #endif /* CONFIG_SMP */ extern struct sysdev_class cpu_sysdev_class; +extern void cpu_maps_update_begin(void); +extern void cpu_maps_update_done(void); #ifdef CONFIG_HOTPLUG_CPU /* Stop CPUs going up and down. */ @@ -97,8 +106,8 @@ static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex) mutex_unlock(cpu_hp_mutex); } -extern void lock_cpu_hotplug(void); -extern void unlock_cpu_hotplug(void); +extern void get_online_cpus(void); +extern void put_online_cpus(void); #define hotcpu_notifier(fn, pri) { \ static struct notifier_block fn##_nb = \ { .notifier_call = fn, .priority = pri }; \ @@ -115,8 +124,8 @@ static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex) static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex) { } -#define lock_cpu_hotplug() do { } while (0) -#define unlock_cpu_hotplug() do { } while (0) +#define get_online_cpus() do { } while (0) +#define put_online_cpus() do { } while (0) #define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) /* These aren't inline functions due to a GCC bug. */ #define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h index 1678a5de701..f4a5871767f 100644 --- a/include/linux/debug_locks.h +++ b/include/linux/debug_locks.h @@ -47,6 +47,7 @@ struct task_struct; #ifdef CONFIG_LOCKDEP extern void debug_show_all_locks(void); +extern void __debug_show_held_locks(struct task_struct *task); extern void debug_show_held_locks(struct task_struct *task); extern void debug_check_no_locks_freed(const void *from, unsigned long len); extern void debug_check_no_locks_held(struct task_struct *task); @@ -55,6 +56,10 @@ static inline void debug_show_all_locks(void) { } +static inline void __debug_show_held_locks(struct task_struct *task) +{ +} + static inline void debug_show_held_locks(struct task_struct *task) { } diff --git a/include/linux/dlm.h b/include/linux/dlm.h index be9d278761e..c743fbc769d 100644 --- a/include/linux/dlm.h +++ b/include/linux/dlm.h @@ -19,148 +19,12 @@ * routines and structures to use DLM lockspaces */ -/* - * Lock Modes - */ +/* Lock levels and flags are here */ +#include <linux/dlmconstants.h> -#define DLM_LOCK_IV -1 /* invalid */ -#define DLM_LOCK_NL 0 /* null */ -#define DLM_LOCK_CR 1 /* concurrent read */ -#define DLM_LOCK_CW 2 /* concurrent write */ -#define DLM_LOCK_PR 3 /* protected read */ -#define DLM_LOCK_PW 4 /* protected write */ -#define DLM_LOCK_EX 5 /* exclusive */ - -/* - * Maximum size in bytes of a dlm_lock name - */ #define DLM_RESNAME_MAXLEN 64 -/* - * Flags to dlm_lock - * - * DLM_LKF_NOQUEUE - * - * Do not queue the lock request on the wait queue if it cannot be granted - * immediately. If the lock cannot be granted because of this flag, DLM will - * either return -EAGAIN from the dlm_lock call or will return 0 from - * dlm_lock and -EAGAIN in the lock status block when the AST is executed. - * - * DLM_LKF_CANCEL - * - * Used to cancel a pending lock request or conversion. A converting lock is - * returned to its previously granted mode. - * - * DLM_LKF_CONVERT - * - * Indicates a lock conversion request. For conversions the name and namelen - * are ignored and the lock ID in the LKSB is used to identify the lock. - * - * DLM_LKF_VALBLK - * - * Requests DLM to return the current contents of the lock value block in the - * lock status block. When this flag is set in a lock conversion from PW or EX - * modes, DLM assigns the value specified in the lock status block to the lock - * value block of the lock resource. The LVB is a DLM_LVB_LEN size array - * containing application-specific information. - * - * DLM_LKF_QUECVT - * - * Force a conversion request to be queued, even if it is compatible with - * the granted modes of other locks on the same resource. - * - * DLM_LKF_IVVALBLK - * - * Invalidate the lock value block. - * - * DLM_LKF_CONVDEADLK - * - * Allows the dlm to resolve conversion deadlocks internally by demoting the - * granted mode of a converting lock to NL. The DLM_SBF_DEMOTED flag is - * returned for a conversion that's been effected by this. - * - * DLM_LKF_PERSISTENT - * - * Only relevant to locks originating in userspace. A persistent lock will not - * be removed if the process holding the lock exits. - * - * DLM_LKF_NODLCKWT - * - * Do not cancel the lock if it gets into conversion deadlock. - * Exclude this lock from being monitored due to DLM_LSFL_TIMEWARN. - * - * DLM_LKF_NODLCKBLK - * - * net yet implemented - * - * DLM_LKF_EXPEDITE - * - * Used only with new requests for NL mode locks. Tells the lock manager - * to grant the lock, ignoring other locks in convert and wait queues. - * - * DLM_LKF_NOQUEUEBAST - * - * Send blocking AST's before returning -EAGAIN to the caller. It is only - * used along with the NOQUEUE flag. Blocking AST's are not sent for failed - * NOQUEUE requests otherwise. - * - * DLM_LKF_HEADQUE - * - * Add a lock to the head of the convert or wait queue rather than the tail. - * - * DLM_LKF_NOORDER - * - * Disregard the standard grant order rules and grant a lock as soon as it - * is compatible with other granted locks. - * - * DLM_LKF_ORPHAN - * - * not yet implemented - * - * DLM_LKF_ALTPR - * - * If the requested mode cannot be granted immediately, try to grant the lock - * in PR mode instead. If this alternate mode is granted instead of the - * requested mode, DLM_SBF_ALTMODE is returned in the lksb. - * - * DLM_LKF_ALTCW - * - * The same as ALTPR, but the alternate mode is CW. - * - * DLM_LKF_FORCEUNLOCK - * - * Unlock the lock even if it is converting or waiting or has sublocks. - * Only really for use by the userland device.c code. - * - */ - -#define DLM_LKF_NOQUEUE 0x00000001 -#define DLM_LKF_CANCEL 0x00000002 -#define DLM_LKF_CONVERT 0x00000004 -#define DLM_LKF_VALBLK 0x00000008 -#define DLM_LKF_QUECVT 0x00000010 -#define DLM_LKF_IVVALBLK 0x00000020 -#define DLM_LKF_CONVDEADLK 0x00000040 -#define DLM_LKF_PERSISTENT 0x00000080 -#define DLM_LKF_NODLCKWT 0x00000100 -#define DLM_LKF_NODLCKBLK 0x00000200 -#define DLM_LKF_EXPEDITE 0x00000400 -#define DLM_LKF_NOQUEUEBAST 0x00000800 -#define DLM_LKF_HEADQUE 0x00001000 -#define DLM_LKF_NOORDER 0x00002000 -#define DLM_LKF_ORPHAN 0x00004000 -#define DLM_LKF_ALTPR 0x00008000 -#define DLM_LKF_ALTCW 0x00010000 -#define DLM_LKF_FORCEUNLOCK 0x00020000 -#define DLM_LKF_TIMEOUT 0x00040000 - -/* - * Some return codes that are not in errno.h - */ - -#define DLM_ECANCEL 0x10001 -#define DLM_EUNLOCK 0x10002 typedef void dlm_lockspace_t; diff --git a/include/linux/dlmconstants.h b/include/linux/dlmconstants.h new file mode 100644 index 00000000000..fddb3d3ff32 --- /dev/null +++ b/include/linux/dlmconstants.h @@ -0,0 +1,159 @@ +/****************************************************************************** +******************************************************************************* +** +** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. +** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved. +** +** This copyrighted material is made available to anyone wishing to use, +** modify, copy, or redistribute it subject to the terms and conditions +** of the GNU General Public License v.2. +** +******************************************************************************* +******************************************************************************/ + +#ifndef __DLMCONSTANTS_DOT_H__ +#define __DLMCONSTANTS_DOT_H__ + +/* + * Constants used by DLM interface. + */ + +/* + * Lock Modes + */ + +#define DLM_LOCK_IV (-1) /* invalid */ +#define DLM_LOCK_NL 0 /* null */ +#define DLM_LOCK_CR 1 /* concurrent read */ +#define DLM_LOCK_CW 2 /* concurrent write */ +#define DLM_LOCK_PR 3 /* protected read */ +#define DLM_LOCK_PW 4 /* protected write */ +#define DLM_LOCK_EX 5 /* exclusive */ + + +/* + * Flags to dlm_lock + * + * DLM_LKF_NOQUEUE + * + * Do not queue the lock request on the wait queue if it cannot be granted + * immediately. If the lock cannot be granted because of this flag, DLM will + * either return -EAGAIN from the dlm_lock call or will return 0 from + * dlm_lock and -EAGAIN in the lock status block when the AST is executed. + * + * DLM_LKF_CANCEL + * + * Used to cancel a pending lock request or conversion. A converting lock is + * returned to its previously granted mode. + * + * DLM_LKF_CONVERT + * + * Indicates a lock conversion request. For conversions the name and namelen + * are ignored and the lock ID in the LKSB is used to identify the lock. + * + * DLM_LKF_VALBLK + * + * Requests DLM to return the current contents of the lock value block in the + * lock status block. When this flag is set in a lock conversion from PW or EX + * modes, DLM assigns the value specified in the lock status block to the lock + * value block of the lock resource. The LVB is a DLM_LVB_LEN size array + * containing application-specific information. + * + * DLM_LKF_QUECVT + * + * Force a conversion request to be queued, even if it is compatible with + * the granted modes of other locks on the same resource. + * + * DLM_LKF_IVVALBLK + * + * Invalidate the lock value block. + * + * DLM_LKF_CONVDEADLK + * + * Allows the dlm to resolve conversion deadlocks internally by demoting the + * granted mode of a converting lock to NL. The DLM_SBF_DEMOTED flag is + * returned for a conversion that's been effected by this. + * + * DLM_LKF_PERSISTENT + * + * Only relevant to locks originating in userspace. A persistent lock will not + * be removed if the process holding the lock exits. + * + * DLM_LKF_NODLCKWT + * + * Do not cancel the lock if it gets into conversion deadlock. + * Exclude this lock from being monitored due to DLM_LSFL_TIMEWARN. + * + * DLM_LKF_NODLCKBLK + * + * net yet implemented + * + * DLM_LKF_EXPEDITE + * + * Used only with new requests for NL mode locks. Tells the lock manager + * to grant the lock, ignoring other locks in convert and wait queues. + * + * DLM_LKF_NOQUEUEBAST + * + * Send blocking AST's before returning -EAGAIN to the caller. It is only + * used along with the NOQUEUE flag. Blocking AST's are not sent for failed + * NOQUEUE requests otherwise. + * + * DLM_LKF_HEADQUE + * + * Add a lock to the head of the convert or wait queue rather than the tail. + * + * DLM_LKF_NOORDER + * + * Disregard the standard grant order rules and grant a lock as soon as it + * is compatible with other granted locks. + * + * DLM_LKF_ORPHAN + * + * not yet implemented + * + * DLM_LKF_ALTPR + * + * If the requested mode cannot be granted immediately, try to grant the lock + * in PR mode instead. If this alternate mode is granted instead of the + * requested mode, DLM_SBF_ALTMODE is returned in the lksb. + * + * DLM_LKF_ALTCW + * + * The same as ALTPR, but the alternate mode is CW. + * + * DLM_LKF_FORCEUNLOCK + * + * Unlock the lock even if it is converting or waiting or has sublocks. + * Only really for use by the userland device.c code. + * + */ + +#define DLM_LKF_NOQUEUE 0x00000001 +#define DLM_LKF_CANCEL 0x00000002 +#define DLM_LKF_CONVERT 0x00000004 +#define DLM_LKF_VALBLK 0x00000008 +#define DLM_LKF_QUECVT 0x00000010 +#define DLM_LKF_IVVALBLK 0x00000020 +#define DLM_LKF_CONVDEADLK 0x00000040 +#define DLM_LKF_PERSISTENT 0x00000080 +#define DLM_LKF_NODLCKWT 0x00000100 +#define DLM_LKF_NODLCKBLK 0x00000200 +#define DLM_LKF_EXPEDITE 0x00000400 +#define DLM_LKF_NOQUEUEBAST 0x00000800 +#define DLM_LKF_HEADQUE 0x00001000 +#define DLM_LKF_NOORDER 0x00002000 +#define DLM_LKF_ORPHAN 0x00004000 +#define DLM_LKF_ALTPR 0x00008000 +#define DLM_LKF_ALTCW 0x00010000 +#define DLM_LKF_FORCEUNLOCK 0x00020000 +#define DLM_LKF_TIMEOUT 0x00040000 + +/* + * Some return codes that are not in errno.h + */ + +#define DLM_ECANCEL 0x10001 +#define DLM_EUNLOCK 0x10002 + +#endif /* __DLMCONSTANTS_DOT_H__ */ diff --git a/include/linux/futex.h b/include/linux/futex.h index 92d420fe03f..1a15f8e237a 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -1,8 +1,12 @@ #ifndef _LINUX_FUTEX_H #define _LINUX_FUTEX_H -#include <linux/sched.h> +#include <linux/compiler.h> +#include <linux/types.h> +struct inode; +struct mm_struct; +struct task_struct; union ktime; /* Second argument to futex syscall */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 8d302298a16..2961ec78804 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -72,11 +72,7 @@ #define in_softirq() (softirq_count()) #define in_interrupt() (irq_count()) -#if defined(CONFIG_PREEMPT) && !defined(CONFIG_PREEMPT_BKL) -# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked()) -#else -# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) -#endif +#define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) #ifdef CONFIG_PREEMPT # define PREEMPT_CHECK_OFFSET 1 diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 818c6afc109..ff43f8d6b5b 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -44,7 +44,9 @@ /* Bits for HD_ERROR */ #define MARK_ERR 0x01 /* Bad address mark */ +#define ILI_ERR 0x01 /* Illegal Length Indication (ATAPI) */ #define TRK0_ERR 0x02 /* couldn't find track 0 */ +#define EOM_ERR 0x02 /* End Of Media (ATAPI) */ #define ABRT_ERR 0x04 /* Command aborted */ #define MCR_ERR 0x08 /* media change request */ #define ID_ERR 0x10 /* ID field not found */ @@ -52,6 +54,7 @@ #define ECC_ERR 0x40 /* Uncorrectable ECC error */ #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ +#define LFS_ERR 0xf0 /* Last Failed Sense (ATAPI) */ /* Bits of HD_NSECTOR */ #define CD 0x01 @@ -70,13 +73,13 @@ #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8)) #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8)) -#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_NO_DATA 0 +#ifndef __KERNEL__ +#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_SET_XFER 1 - #define IDE_DRIVE_TASK_IN 2 - #define IDE_DRIVE_TASK_OUT 3 +#endif #define IDE_DRIVE_TASK_RAW_WRITE 4 /* @@ -87,10 +90,10 @@ #ifndef __KERNEL__ #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE #define IDE_HOB_STD_OUT_FLAGS 0x3C -#endif typedef unsigned char task_ioreg_t; typedef unsigned long sata_ioreg_t; +#endif typedef union ide_reg_valid_s { unsigned all : 16; @@ -116,8 +119,8 @@ typedef union ide_reg_valid_s { } ide_reg_valid_t; typedef struct ide_task_request_s { - task_ioreg_t io_ports[8]; - task_ioreg_t hob_ports[8]; + __u8 io_ports[8]; + __u8 hob_ports[8]; /* bytes 6 and 7 are unused */ ide_reg_valid_t out_flags; ide_reg_valid_t in_flags; int data_phase; @@ -133,36 +136,35 @@ typedef struct ide_ioctl_request_s { } ide_ioctl_request_t; struct hd_drive_cmd_hdr { - task_ioreg_t command; - task_ioreg_t sector_number; - task_ioreg_t feature; - task_ioreg_t sector_count; + __u8 command; + __u8 sector_number; + __u8 feature; + __u8 sector_count; }; +#ifndef __KERNEL__ typedef struct hd_drive_task_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t command; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 command; } task_struct_t; typedef struct hd_drive_hob_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t control; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 control; } hob_struct_t; - -#define TASKFILE_INVALID 0x7fff -#define TASKFILE_48 0x8000 +#endif #define TASKFILE_NO_DATA 0x0000 @@ -178,12 +180,16 @@ typedef struct hd_drive_hob_hdr { #define TASKFILE_IN_DMAQ 0x0080 #define TASKFILE_OUT_DMAQ 0x0100 +#ifndef __KERNEL__ #define TASKFILE_P_IN 0x0200 #define TASKFILE_P_OUT 0x0400 #define TASKFILE_P_IN_DMA 0x0800 #define TASKFILE_P_OUT_DMA 0x1000 #define TASKFILE_P_IN_DMAQ 0x2000 #define TASKFILE_P_OUT_DMAQ 0x4000 +#define TASKFILE_48 0x8000 +#define TASKFILE_INVALID 0x7fff +#endif /* ATA/ATAPI Commands pre T13 Spec */ #define WIN_NOP 0x00 diff --git a/include/linux/hid.h b/include/linux/hid.h index 6e35b92b1d2..3902690647b 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -267,10 +267,10 @@ struct hid_item { #define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 #define HID_QUIRK_MIGHTYMOUSE 0x00000400 -#define HID_QUIRK_POWERBOOK_HAS_FN 0x00000800 -#define HID_QUIRK_POWERBOOK_FN_ON 0x00001000 +#define HID_QUIRK_APPLE_HAS_FN 0x00000800 +#define HID_QUIRK_APPLE_FN_ON 0x00001000 #define HID_QUIRK_INVERT_HWHEEL 0x00002000 -#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD 0x00004000 +#define HID_QUIRK_APPLE_ISO_KEYBOARD 0x00004000 #define HID_QUIRK_BAD_RELATIVE_KEYS 0x00008000 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_IGNORE_MOUSE 0x00020000 @@ -281,6 +281,9 @@ struct hid_item { #define HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL 0x00400000 #define HID_QUIRK_LOGITECH_EXPANDED_KEYMAP 0x00800000 #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 +#define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000 +#define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 +#define HID_QUIRK_MICROSOFT_KEYS 0x08000000 /* * Separate quirks for runtime report descriptor fixup @@ -291,6 +294,8 @@ struct hid_item { #define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004 #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010 +#define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 +#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 /* * This is the global environment of the parser. This information is @@ -456,6 +461,8 @@ struct hid_device { /* device report descriptor */ void *driver_data; + __s32 delayed_value; /* For A4 Tech mice hwheel quirk */ + /* device-specific function pointers */ int (*hidinput_input_event) (struct input_dev *, unsigned int, unsigned int, int); int (*hid_open) (struct hid_device *); @@ -469,7 +476,7 @@ struct hid_device { /* device report descriptor */ /* handler for raw output data, used by hidraw */ int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t); #ifdef CONFIG_USB_HIDINPUT_POWERBOOK - unsigned long pb_pressed_fn[BITS_TO_LONGS(KEY_CNT)]; + unsigned long apple_pressed_fn[BITS_TO_LONGS(KEY_CNT)]; unsigned long pb_pressed_numlock[BITS_TO_LONGS(KEY_CNT)]; #endif }; @@ -520,6 +527,9 @@ extern void hidinput_disconnect(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); int hid_input_report(struct hid_device *, int type, u8 *, int, int); int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); +int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *); +void hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); +int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt); void hid_output_report(struct hid_report *report, __u8 *data); void hid_free_device(struct hid_device *device); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 7a9398e1970..49067f14fac 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -115,10 +115,8 @@ struct hrtimer { enum hrtimer_restart (*function)(struct hrtimer *); struct hrtimer_clock_base *base; unsigned long state; -#ifdef CONFIG_HIGH_RES_TIMERS enum hrtimer_cb_mode cb_mode; struct list_head cb_entry; -#endif #ifdef CONFIG_TIMER_STATS void *start_site; char start_comm[16]; @@ -194,10 +192,10 @@ struct hrtimer_cpu_base { spinlock_t lock; struct lock_class_key lock_key; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; + struct list_head cb_pending; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; - struct list_head cb_pending; unsigned long nr_events; #endif }; @@ -217,6 +215,11 @@ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) return timer->base->get_time(); } +static inline int hrtimer_is_hres_active(struct hrtimer *timer) +{ + return timer->base->cpu_base->hres_active; +} + /* * The resolution of the clocks. The resolution value is returned in * the clock_getres() system call to give application programmers an @@ -248,6 +251,10 @@ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) return timer->base->softirq_time; } +static inline int hrtimer_is_hres_active(struct hrtimer *timer) +{ + return 0; +} #endif extern ktime_t ktime_get(void); @@ -310,6 +317,7 @@ extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, /* Soft interrupt function to run the hrtimer queues: */ extern void hrtimer_run_queues(void); +extern void hrtimer_run_pending(void); /* Bootup initialization: */ extern void __init hrtimers_init(void); diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index e18017d4575..f922b060158 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -33,23 +33,13 @@ #define I2C_DRIVERID_MSP3400 1 #define I2C_DRIVERID_TUNER 2 -#define I2C_DRIVERID_VIDEOTEX 3 /* please rename */ #define I2C_DRIVERID_TDA8425 4 /* stereo sound processor */ #define I2C_DRIVERID_TEA6420 5 /* audio matrix switch */ #define I2C_DRIVERID_TEA6415C 6 /* video matrix switch */ #define I2C_DRIVERID_TDA9840 7 /* stereo sound processor */ #define I2C_DRIVERID_SAA7111A 8 /* video input processor */ -#define I2C_DRIVERID_SAA5281 9 /* videotext decoder */ -#define I2C_DRIVERID_SAA7112 10 /* video decoder, image scaler */ -#define I2C_DRIVERID_SAA7120 11 /* video encoder */ -#define I2C_DRIVERID_SAA7121 12 /* video encoder */ #define I2C_DRIVERID_SAA7185B 13 /* video encoder */ -#define I2C_DRIVERID_CH7003 14 /* digital pc to tv encoder */ -#define I2C_DRIVERID_PCF8574A 15 /* i2c expander - 8 bit in/out */ -#define I2C_DRIVERID_PCF8582C 16 /* eeprom */ -#define I2C_DRIVERID_AT24Cxx 17 /* eeprom 1/2/4/8/16 K */ #define I2C_DRIVERID_TEA6300 18 /* audio mixer */ -#define I2C_DRIVERID_BT829 19 /* pc to tv encoder */ #define I2C_DRIVERID_TDA9850 20 /* audio mixer */ #define I2C_DRIVERID_TDA9855 21 /* audio mixer */ #define I2C_DRIVERID_SAA7110 22 /* video decoder */ @@ -60,42 +50,19 @@ #define I2C_DRIVERID_TDA7432 27 /* Stereo sound processor */ #define I2C_DRIVERID_TVMIXER 28 /* Mixer driver for tv cards */ #define I2C_DRIVERID_TVAUDIO 29 /* Generic TV sound driver */ -#define I2C_DRIVERID_DPL3518 30 /* Dolby decoder chip */ #define I2C_DRIVERID_TDA9873 31 /* TV sound decoder chip */ #define I2C_DRIVERID_TDA9875 32 /* TV sound decoder chip */ #define I2C_DRIVERID_PIC16C54_PV9 33 /* Audio mux/ir receiver */ - -#define I2C_DRIVERID_SBATT 34 /* Smart Battery Device */ -#define I2C_DRIVERID_SBS 35 /* SB System Manager */ -#define I2C_DRIVERID_VES1893 36 /* VLSI DVB-S decoder */ -#define I2C_DRIVERID_VES1820 37 /* VLSI DVB-C decoder */ -#define I2C_DRIVERID_SAA7113 38 /* video decoder */ -#define I2C_DRIVERID_TDA8444 39 /* octuple 6-bit DAC */ #define I2C_DRIVERID_BT819 40 /* video decoder */ #define I2C_DRIVERID_BT856 41 /* video encoder */ #define I2C_DRIVERID_VPX3220 42 /* video decoder+vbi/vtxt */ -#define I2C_DRIVERID_DRP3510 43 /* ADR decoder (Astra Radio) */ -#define I2C_DRIVERID_SP5055 44 /* Satellite tuner */ -#define I2C_DRIVERID_STV0030 45 /* Multipurpose switch */ -#define I2C_DRIVERID_SAA7108 46 /* video decoder, image scaler */ -#define I2C_DRIVERID_DS1307 47 /* DS1307 real time clock */ #define I2C_DRIVERID_ADV7175 48 /* ADV 7175/7176 video encoder */ #define I2C_DRIVERID_SAA7114 49 /* video decoder */ -#define I2C_DRIVERID_ZR36120 50 /* Zoran 36120 video encoder */ -#define I2C_DRIVERID_24LC32A 51 /* Microchip 24LC32A 32k EEPROM */ -#define I2C_DRIVERID_STM41T00 52 /* real time clock */ -#define I2C_DRIVERID_UDA1342 53 /* UDA1342 audio codec */ #define I2C_DRIVERID_ADV7170 54 /* video encoder */ -#define I2C_DRIVERID_MAX1617 56 /* temp sensor */ #define I2C_DRIVERID_SAA7191 57 /* video decoder */ #define I2C_DRIVERID_INDYCAM 58 /* SGI IndyCam */ -#define I2C_DRIVERID_BT832 59 /* CMOS camera video processor */ -#define I2C_DRIVERID_TDA9887 60 /* TDA988x IF-PLL demodulator */ #define I2C_DRIVERID_OVCAMCHIP 61 /* OmniVision CMOS image sens. */ -#define I2C_DRIVERID_TDA7313 62 /* TDA7313 audio processor */ #define I2C_DRIVERID_MAX6900 63 /* MAX6900 real-time clock */ -#define I2C_DRIVERID_SAA7114H 64 /* video decoder */ -#define I2C_DRIVERID_DS1374 65 /* DS1374 real time clock */ #define I2C_DRIVERID_TDA9874 66 /* TV sound decoder */ #define I2C_DRIVERID_SAA6752HS 67 /* MPEG2 encoder */ #define I2C_DRIVERID_TVEEPROM 68 /* TV EEPROM */ @@ -114,7 +81,6 @@ #define I2C_DRIVERID_DS1672 81 /* Dallas/Maxim DS1672 RTC */ #define I2C_DRIVERID_X1205 82 /* Xicor/Intersil X1205 RTC */ #define I2C_DRIVERID_PCF8563 83 /* Philips PCF8563 RTC */ -#define I2C_DRIVERID_RS5C372 84 /* Ricoh RS5C372 RTC */ #define I2C_DRIVERID_BT866 85 /* Conexant bt866 video encoder */ #define I2C_DRIVERID_KS0127 86 /* Samsung ks0127 video decoder */ #define I2C_DRIVERID_TLV320AIC23B 87 /* TI TLV320AIC23B audio codec */ @@ -125,10 +91,10 @@ #define I2C_DRIVERID_LM4857 92 /* LM4857 Audio Amplifier */ #define I2C_DRIVERID_VP27SMPX 93 /* Panasonic VP27s tuner internal MPX */ #define I2C_DRIVERID_CS4270 94 /* Cirrus Logic 4270 audio codec */ +#define I2C_DRIVERID_M52790 95 /* Mitsubishi M52790SP/FP AV switch */ +#define I2C_DRIVERID_CS5345 96 /* cs5345 audio processor */ #define I2C_DRIVERID_I2CDEV 900 -#define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */ -#define I2C_DRIVERID_ALERT 903 /* SMBus Alert Responder Client */ /* IDs -- Use DRIVERIDs 1000-1999 for sensors. These were originally in sensors.h in the lm_sensors package */ @@ -174,24 +140,16 @@ /* --- Bit algorithm adapters */ #define I2C_HW_B_LP 0x010000 /* Parallel port Philips style */ -#define I2C_HW_B_SER 0x010002 /* Serial line interface */ #define I2C_HW_B_BT848 0x010005 /* BT848 video boards */ -#define I2C_HW_B_WNV 0x010006 /* Winnov Videums */ #define I2C_HW_B_VIA 0x010007 /* Via vt82c586b */ #define I2C_HW_B_HYDRA 0x010008 /* Apple Hydra Mac I/O */ #define I2C_HW_B_G400 0x010009 /* Matrox G400 */ #define I2C_HW_B_I810 0x01000a /* Intel I810 */ #define I2C_HW_B_VOO 0x01000b /* 3dfx Voodoo 3 / Banshee */ -#define I2C_HW_B_PPORT 0x01000c /* Primitive parallel port adapter */ -#define I2C_HW_B_SAVG 0x01000d /* Savage 4 */ #define I2C_HW_B_SCX200 0x01000e /* Nat'l Semi SCx200 I2C */ #define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */ #define I2C_HW_B_IOC 0x010011 /* IOC bit-wiggling */ -#define I2C_HW_B_TSUNA 0x010012 /* DEC Tsunami chipset */ -#define I2C_HW_B_OMAHA 0x010014 /* Omaha I2C interface (ARM) */ -#define I2C_HW_B_GUIDE 0x010015 /* Guide bit-basher */ #define I2C_HW_B_IXP2000 0x010016 /* GPIO on IXP2000 systems */ -#define I2C_HW_B_IXP4XX 0x010017 /* GPIO on IXP4XX systems */ #define I2C_HW_B_S3VIA 0x010018 /* S3Via ProSavage adapter */ #define I2C_HW_B_ZR36067 0x010019 /* Zoran-36057/36067 based boards */ #define I2C_HW_B_PCILYNX 0x01001a /* TI PCILynx I2C adapter */ @@ -205,22 +163,11 @@ #define I2C_HW_B_CX23885 0x010022 /* conexant 23885 based tv cards (bus1) */ /* --- PCF 8584 based algorithms */ -#define I2C_HW_P_LP 0x020000 /* Parallel port interface */ -#define I2C_HW_P_ISA 0x020001 /* generic ISA Bus inteface card */ #define I2C_HW_P_ELEK 0x020002 /* Elektor ISA Bus inteface card */ /* --- PCA 9564 based algorithms */ #define I2C_HW_A_ISA 0x1a0000 /* generic ISA Bus interface card */ -/* --- ACPI Embedded controller algorithms */ -#define I2C_HW_ACPI_EC 0x1f0000 - -/* --- MPC824x PowerPC adapters */ -#define I2C_HW_MPC824X 0x100001 /* Motorola 8240 / 8245 */ - -/* --- MPC8xx PowerPC adapters */ -#define I2C_HW_MPC8XX_EPON 0x110000 /* Eponymous MPC8xx I2C adapter */ - /* --- PowerPC on-chip adapters */ #define I2C_HW_OCP 0x120000 /* IBM on-chip I2C adapter */ @@ -229,7 +176,6 @@ /* --- SGI adapters */ #define I2C_HW_SGI_VINO 0x160000 -#define I2C_HW_SGI_MACE 0x160001 /* --- XSCALE on-chip adapters */ #define I2C_HW_IOP3XX 0x140000 @@ -253,17 +199,10 @@ #define I2C_HW_SMBUS_W9968CF 0x04000d #define I2C_HW_SMBUS_OV511 0x04000e /* OV511(+) USB 1.1 webcam ICs */ #define I2C_HW_SMBUS_OV518 0x04000f /* OV518(+) USB 1.1 webcam ICs */ -#define I2C_HW_SMBUS_OV519 0x040010 /* OV519 USB 1.1 webcam IC */ #define I2C_HW_SMBUS_OVFX2 0x040011 /* Cypress/OmniVision FX2 webcam */ #define I2C_HW_SMBUS_CAFE 0x040012 /* Marvell 88ALP01 "CAFE" cam */ #define I2C_HW_SMBUS_ALI1563 0x040013 -/* --- ISA pseudo-adapter */ -#define I2C_HW_ISA 0x050000 - -/* --- IPMB adapter */ -#define I2C_HW_IPMB 0x0c0000 - /* --- MCP107 adapter */ #define I2C_HW_MPC107 0x0d0000 diff --git a/include/linux/i2c.h b/include/linux/i2c.h index a100c9f8eb7..76014f8f3c6 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -140,7 +140,6 @@ struct i2c_driver { int (*command)(struct i2c_client *client,unsigned int cmd, void *arg); struct device_driver driver; - struct list_head list; }; #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) @@ -155,12 +154,11 @@ struct i2c_driver { * generic enough to hide second-sourcing and compatible revisions. * @adapter: manages the bus segment hosting this I2C device * @driver: device's driver, hence pointer to access routines - * @usage_count: counts current number of users of this client * @dev: Driver model device node for the slave. * @irq: indicates the IRQ generated by this device (if any) * @driver_name: Identifies new-style driver used with this device; also * used as the module name for hotplug/coldplug modprobe support. - * @list: list of active/busy clients + * @list: list of active/busy clients (DEPRECATED) * @released: used to synchronize client releases & detaches and references * * An i2c_client identifies a single device (i.e. chip) connected to an @@ -175,16 +173,16 @@ struct i2c_client { char name[I2C_NAME_SIZE]; struct i2c_adapter *adapter; /* the adapter we sit on */ struct i2c_driver *driver; /* and our access routines */ - int usage_count; /* How many accesses currently */ - /* to the client */ struct device dev; /* the device structure */ int irq; /* irq issued by device (or -1) */ char driver_name[KOBJ_NAME_LEN]; - struct list_head list; + struct list_head list; /* DEPRECATED */ struct completion released; }; #define to_i2c_client(d) container_of(d, struct i2c_client, dev) +extern struct i2c_client *i2c_verify_client(struct device *dev); + static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) { struct device * const dev = container_of(kobj, struct device, kobj); @@ -261,6 +259,12 @@ i2c_new_probed_device(struct i2c_adapter *adap, struct i2c_board_info *info, unsigned short const *addr_list); +/* For devices that use several addresses, use i2c_new_dummy() to make + * client handles for the extra addresses. + */ +extern struct i2c_client * +i2c_new_dummy(struct i2c_adapter *adap, u16 address, const char *type); + extern void i2c_unregister_device(struct i2c_client *); /* Mainboard arch_initcall() code should register all its I2C devices. @@ -319,8 +323,7 @@ struct i2c_adapter { struct device dev; /* the adapter device */ int nr; - struct list_head clients; - struct list_head list; + struct list_head clients; /* DEPRECATED */ char name[48]; struct completion dev_released; }; @@ -357,10 +360,10 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data) * command line */ struct i2c_client_address_data { - unsigned short *normal_i2c; - unsigned short *probe; - unsigned short *ignore; - unsigned short **forces; + const unsigned short *normal_i2c; + const unsigned short *probe; + const unsigned short *ignore; + const unsigned short * const *forces; }; /* Internal numbers to terminate lists */ @@ -389,11 +392,8 @@ static inline int i2c_add_driver(struct i2c_driver *driver) extern int i2c_attach_client(struct i2c_client *); extern int i2c_detach_client(struct i2c_client *); -/* Should be used to make sure that client-struct is valid and that it - is okay to access the i2c-client. - returns -ENODEV if client has gone in the meantime */ -extern int i2c_use_client(struct i2c_client *); -extern int i2c_release_client(struct i2c_client *); +extern struct i2c_client *i2c_use_client(struct i2c_client *client); +extern void i2c_release_client(struct i2c_client *client); /* call the i2c_client->command() of all attached clients with * the given arguments */ @@ -405,7 +405,7 @@ extern void i2c_clients_command(struct i2c_adapter *adap, * specific address (unless a 'force' matched); */ extern int i2c_probe(struct i2c_adapter *adapter, - struct i2c_client_address_data *address_data, + const struct i2c_client_address_data *address_data, int (*found_proc) (struct i2c_adapter *, int, int)); extern struct i2c_adapter* i2c_get_adapter(int id); @@ -598,104 +598,93 @@ I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \ "additionally"); \ I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \ "scan"); \ -static struct i2c_client_address_data addr_data = { \ +const static struct i2c_client_address_data addr_data = { \ .normal_i2c = normal_i2c, \ .probe = probe, \ .ignore = ignore, \ .forces = forces, \ } +#define I2C_CLIENT_FORCE_TEXT \ + "List of adapter,address pairs to boldly assume to be present" + /* These are the ones you want to use in your own drivers. Pick the one which matches the number of devices the driver differenciates between. */ -#define I2C_CLIENT_INSMOD \ - I2C_CLIENT_MODULE_PARM(force, \ - "List of adapter,address pairs to boldly assume " \ - "to be present"); \ - static unsigned short *forces[] = { \ - force, \ - NULL \ - }; \ +#define I2C_CLIENT_INSMOD \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ +static const unsigned short * const forces[] = { force, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_1(chip1) \ enum chips { any_chip, chip1 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ -static unsigned short *forces[] = { force, force_##chip1, NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_2(chip1, chip2) \ enum chips { any_chip, chip1, chip2 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \ enum chips { any_chip, chip1, chip2, chip3 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \ enum chips { any_chip, chip1, chip2, chip3, chip4 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - force_##chip4, NULL}; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, \ + force_##chip4, NULL}; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \ enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - force_##chip4, force_##chip5, \ - NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, \ + force_##chip4, force_##chip5, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \ enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - force_##chip4, force_##chip5, \ - force_##chip6, NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, \ + force_##chip4, force_##chip5, force_##chip6, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \ enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ chip7 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ @@ -703,18 +692,16 @@ I2C_CLIENT_MODULE_PARM_FORCE(chip4); \ I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - force_##chip4, force_##chip5, \ - force_##chip6, force_##chip7, \ - NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, \ + force_##chip4, force_##chip5, force_##chip6, \ + force_##chip7, NULL }; \ I2C_CLIENT_INSMOD_COMMON #define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \ enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ chip7, chip8 }; \ -I2C_CLIENT_MODULE_PARM(force, "List of adapter,address pairs to " \ - "boldly assume to be present"); \ +I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \ I2C_CLIENT_MODULE_PARM_FORCE(chip1); \ I2C_CLIENT_MODULE_PARM_FORCE(chip2); \ I2C_CLIENT_MODULE_PARM_FORCE(chip3); \ @@ -723,11 +710,10 @@ I2C_CLIENT_MODULE_PARM_FORCE(chip5); \ I2C_CLIENT_MODULE_PARM_FORCE(chip6); \ I2C_CLIENT_MODULE_PARM_FORCE(chip7); \ I2C_CLIENT_MODULE_PARM_FORCE(chip8); \ -static unsigned short *forces[] = { force, force_##chip1, \ - force_##chip2, force_##chip3, \ - force_##chip4, force_##chip5, \ - force_##chip6, force_##chip7, \ - force_##chip8, NULL }; \ +static const unsigned short * const forces[] = { force, \ + force_##chip1, force_##chip2, force_##chip3, \ + force_##chip4, force_##chip5, force_##chip6, \ + force_##chip7, force_##chip8, NULL }; \ I2C_CLIENT_INSMOD_COMMON #endif /* __KERNEL__ */ #endif /* _LINUX_I2C_H */ diff --git a/include/linux/i2c/tps65010.h b/include/linux/i2c/tps65010.h new file mode 100644 index 00000000000..7021635ed6a --- /dev/null +++ b/include/linux/i2c/tps65010.h @@ -0,0 +1,156 @@ +/* linux/i2c/tps65010.h + * + * Functions to access TPS65010 power management device. + * + * Copyright (C) 2004 Dirk Behme <dirk.behme@de.bosch.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_I2C_TPS65010_H +#define __LINUX_I2C_TPS65010_H + +/* + * ---------------------------------------------------------------------------- + * Registers, all 8 bits + * ---------------------------------------------------------------------------- + */ + +#define TPS_CHGSTATUS 0x01 +# define TPS_CHG_USB (1 << 7) +# define TPS_CHG_AC (1 << 6) +# define TPS_CHG_THERM (1 << 5) +# define TPS_CHG_TERM (1 << 4) +# define TPS_CHG_TAPER_TMO (1 << 3) +# define TPS_CHG_CHG_TMO (1 << 2) +# define TPS_CHG_PRECHG_TMO (1 << 1) +# define TPS_CHG_TEMP_ERR (1 << 0) +#define TPS_REGSTATUS 0x02 +# define TPS_REG_ONOFF (1 << 7) +# define TPS_REG_COVER (1 << 6) +# define TPS_REG_UVLO (1 << 5) +# define TPS_REG_NO_CHG (1 << 4) /* tps65013 */ +# define TPS_REG_PG_LD02 (1 << 3) +# define TPS_REG_PG_LD01 (1 << 2) +# define TPS_REG_PG_MAIN (1 << 1) +# define TPS_REG_PG_CORE (1 << 0) +#define TPS_MASK1 0x03 +#define TPS_MASK2 0x04 +#define TPS_ACKINT1 0x05 +#define TPS_ACKINT2 0x06 +#define TPS_CHGCONFIG 0x07 +# define TPS_CHARGE_POR (1 << 7) /* 65010/65012 */ +# define TPS65013_AUA (1 << 7) /* 65011/65013 */ +# define TPS_CHARGE_RESET (1 << 6) +# define TPS_CHARGE_FAST (1 << 5) +# define TPS_CHARGE_CURRENT (3 << 3) +# define TPS_VBUS_500MA (1 << 2) +# define TPS_VBUS_CHARGING (1 << 1) +# define TPS_CHARGE_ENABLE (1 << 0) +#define TPS_LED1_ON 0x08 +#define TPS_LED1_PER 0x09 +#define TPS_LED2_ON 0x0a +#define TPS_LED2_PER 0x0b +#define TPS_VDCDC1 0x0c +# define TPS_ENABLE_LP (1 << 3) +#define TPS_VDCDC2 0x0d +#define TPS_VREGS1 0x0e +# define TPS_LDO2_ENABLE (1 << 7) +# define TPS_LDO2_OFF (1 << 6) +# define TPS_VLDO2_3_0V (3 << 4) +# define TPS_VLDO2_2_75V (2 << 4) +# define TPS_VLDO2_2_5V (1 << 4) +# define TPS_VLDO2_1_8V (0 << 4) +# define TPS_LDO1_ENABLE (1 << 3) +# define TPS_LDO1_OFF (1 << 2) +# define TPS_VLDO1_3_0V (3 << 0) +# define TPS_VLDO1_2_75V (2 << 0) +# define TPS_VLDO1_2_5V (1 << 0) +# define TPS_VLDO1_ADJ (0 << 0) +#define TPS_MASK3 0x0f +#define TPS_DEFGPIO 0x10 + +/* + * ---------------------------------------------------------------------------- + * Macros used by exported functions + * ---------------------------------------------------------------------------- + */ + +#define LED1 1 +#define LED2 2 +#define OFF 0 +#define ON 1 +#define BLINK 2 +#define GPIO1 1 +#define GPIO2 2 +#define GPIO3 3 +#define GPIO4 4 +#define LOW 0 +#define HIGH 1 + +/* + * ---------------------------------------------------------------------------- + * Exported functions + * ---------------------------------------------------------------------------- + */ + +/* Draw from VBUS: + * 0 mA -- DON'T DRAW (might supply power instead) + * 100 mA -- usb unit load (slowest charge rate) + * 500 mA -- usb high power (fast battery charge) + */ +extern int tps65010_set_vbus_draw(unsigned mA); + +/* tps65010_set_gpio_out_value parameter: + * gpio: GPIO1, GPIO2, GPIO3 or GPIO4 + * value: LOW or HIGH + */ +extern int tps65010_set_gpio_out_value(unsigned gpio, unsigned value); + +/* tps65010_set_led parameter: + * led: LED1 or LED2 + * mode: ON, OFF or BLINK + */ +extern int tps65010_set_led(unsigned led, unsigned mode); + +/* tps65010_set_vib parameter: + * value: ON or OFF + */ +extern int tps65010_set_vib(unsigned value); + +/* tps65010_set_low_pwr parameter: + * mode: ON or OFF + */ +extern int tps65010_set_low_pwr(unsigned mode); + +/* tps65010_config_vregs1 parameter: + * value to be written to VREGS1 register + * Note: The complete register is written, set all bits you need + */ +extern int tps65010_config_vregs1(unsigned value); + +/* tps65013_set_low_pwr parameter: + * mode: ON or OFF + */ +extern int tps65013_set_low_pwr(unsigned mode); + +#endif /* __LINUX_I2C_TPS65010_H */ + diff --git a/include/linux/ide.h b/include/linux/ide.h index 9a6a41e7079..27cb39de2ae 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -27,25 +27,10 @@ #include <asm/semaphore.h> #include <asm/mutex.h> -/****************************************************************************** - * IDE driver configuration options (play with these as desired): - * - * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary - */ -#define INITIAL_MULT_COUNT 0 /* off=0; on=2,4,8,16,32, etc.. */ - -#ifndef SUPPORT_SLOW_DATA_PORTS /* 1 to support slow data ports */ -#define SUPPORT_SLOW_DATA_PORTS 1 /* 0 to reduce kernel size */ -#endif -#ifndef SUPPORT_VLB_SYNC /* 1 to support weird 32-bit chips */ -#define SUPPORT_VLB_SYNC 1 /* 0 to reduce kernel size */ -#endif -#ifndef OK_TO_RESET_CONTROLLER /* 1 needed for good error recovery */ -#define OK_TO_RESET_CONTROLLER 1 /* 0 for use with AH2372A/B interface */ -#endif - -#ifndef DISABLE_IRQ_NOSYNC -#define DISABLE_IRQ_NOSYNC 0 +#if defined(CRIS) || defined(FRV) +# define SUPPORT_VLB_SYNC 0 +#else +# define SUPPORT_VLB_SYNC 1 #endif /* @@ -55,10 +40,6 @@ #define IDE_NO_IRQ (-1) -/* - * "No user-serviceable parts" beyond this point :) - *****************************************************************************/ - typedef unsigned char byte; /* used everywhere */ /* @@ -103,8 +84,6 @@ typedef unsigned char byte; /* used everywhere */ #define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET #define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET -#define IDE_CONTROL_OFFSET_HOB (7) - #define IDE_DATA_REG (HWIF(drive)->io_ports[IDE_DATA_OFFSET]) #define IDE_ERROR_REG (HWIF(drive)->io_ports[IDE_ERROR_OFFSET]) #define IDE_NSECTOR_REG (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET]) @@ -128,7 +107,6 @@ typedef unsigned char byte; /* used everywhere */ #define BAD_W_STAT (BAD_R_STAT | WRERR_STAT) #define BAD_STAT (BAD_R_STAT | DRQ_STAT) #define DRIVE_READY (READY_STAT | SEEK_STAT) -#define DATA_READY (DRQ_STAT) #define BAD_CRC (ABRT_ERR | ICRC_ERR) @@ -219,8 +197,11 @@ typedef struct hw_regs_s { } hw_regs_t; struct hwif_s * ide_find_port(unsigned long); +void ide_init_port_data(struct hwif_s *, unsigned int); +void ide_init_port_hw(struct hwif_s *, hw_regs_t *); -int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int, +struct ide_drive_s; +int ide_register_hw(hw_regs_t *, void (*)(struct ide_drive_s *), struct hwif_s **); void ide_setup_ports( hw_regs_t *hw, @@ -327,47 +308,16 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, typedef union { unsigned all : 8; struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) unsigned set_geometry : 1; unsigned recalibrate : 1; unsigned set_multmode : 1; unsigned set_tune : 1; unsigned serviced : 1; unsigned reserved : 3; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved : 3; - unsigned serviced : 1; - unsigned set_tune : 1; - unsigned set_multmode : 1; - unsigned recalibrate : 1; - unsigned set_geometry : 1; -#else -#error "Please fix <asm/byteorder.h>" -#endif } b; } special_t; /* - * ATA DATA Register Special. - * ATA NSECTOR Count Register(). - * ATAPI Byte Count Register. - */ -typedef union { - unsigned all :16; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned low :8; /* LSB */ - unsigned high :8; /* MSB */ -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned high :8; /* MSB */ - unsigned low :8; /* LSB */ -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_nsector_t, ata_data_t, atapi_bcount_t; - -/* * ATA-IDE Select Register, aka Device-Head * * head : always zeros here @@ -398,131 +348,6 @@ typedef union { } select_t, ata_select_t; /* - * The ATA-IDE Status Register. - * The ATAPI Status Register. - * - * check : Error occurred - * idx : Index Error - * corr : Correctable error occurred - * drq : Data is request by the device - * dsc : Disk Seek Complete : ata - * : Media access command finished : atapi - * df : Device Fault : ata - * : Reserved : atapi - * drdy : Ready, Command Mode Capable : ata - * : Ignored for ATAPI commands : atapi - * bsy : Disk is Busy - * : The device has access to the command block - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned check :1; - unsigned idx :1; - unsigned corr :1; - unsigned drq :1; - unsigned dsc :1; - unsigned df :1; - unsigned drdy :1; - unsigned bsy :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bsy :1; - unsigned drdy :1; - unsigned df :1; - unsigned dsc :1; - unsigned drq :1; - unsigned corr :1; - unsigned idx :1; - unsigned check :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_status_t, atapi_status_t; - -/* - * ATAPI Feature Register - * - * dma : Using DMA or PIO - * reserved321 : Reserved - * reserved654 : Reserved (Tag Type) - * reserved7 : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned dma :1; - unsigned reserved321 :3; - unsigned reserved654 :3; - unsigned reserved7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved7 :1; - unsigned reserved654 :3; - unsigned reserved321 :3; - unsigned dma :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_feature_t; - -/* - * ATAPI Interrupt Reason Register. - * - * cod : Information transferred is command (1) or data (0) - * io : The device requests us to read (1) or write (0) - * reserved : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned cod :1; - unsigned io :1; - unsigned reserved :6; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved :6; - unsigned io :1; - unsigned cod :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_ireason_t; - -/* - * The ATAPI error register. - * - * ili : Illegal Length Indication - * eom : End Of Media Detected - * abrt : Aborted command - As defined by ATA - * mcr : Media Change Requested - As defined by ATA - * sense_key : Sense key of the last failed packet command - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned ili :1; - unsigned eom :1; - unsigned abrt :1; - unsigned mcr :1; - unsigned sense_key :4; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned sense_key :4; - unsigned mcr :1; - unsigned abrt :1; - unsigned eom :1; - unsigned ili :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_error_t; - -/* * Status returned from various ide_ functions */ typedef enum { @@ -568,7 +393,6 @@ typedef struct ide_drive_s { u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ u8 unmask; /* okay to unmask other irqs */ - u8 bswap; /* byte swap data */ u8 noflush; /* don't attempt flushes */ u8 dsc_overlap; /* DSC overlap */ u8 nice1; /* give potential excess bandwidth */ @@ -701,36 +525,29 @@ typedef struct hwif_s { void (*pre_reset)(ide_drive_t *); /* routine to reset controller after a disk reset */ void (*resetproc)(ide_drive_t *); - /* special interrupt handling for shared pci interrupts */ - void (*intrproc)(ide_drive_t *); /* special host masking for drive selection */ void (*maskproc)(ide_drive_t *, int); /* check host's drive quirk list */ - int (*quirkproc)(ide_drive_t *); + void (*quirkproc)(ide_drive_t *); /* driver soft-power interface */ int (*busproc)(ide_drive_t *, int); #endif u8 (*mdma_filter)(ide_drive_t *); u8 (*udma_filter)(ide_drive_t *); - void (*fixup)(struct hwif_s *); - void (*ata_input_data)(ide_drive_t *, void *, u32); void (*ata_output_data)(ide_drive_t *, void *, u32); void (*atapi_input_bytes)(ide_drive_t *, void *, u32); void (*atapi_output_bytes)(ide_drive_t *, void *, u32); + void (*dma_host_set)(ide_drive_t *, int); int (*dma_setup)(ide_drive_t *); void (*dma_exec_cmd)(ide_drive_t *, u8); void (*dma_start)(ide_drive_t *); int (*ide_dma_end)(ide_drive_t *drive); - int (*ide_dma_on)(ide_drive_t *drive); - void (*dma_off_quietly)(ide_drive_t *drive); int (*ide_dma_test_irq)(ide_drive_t *drive); void (*ide_dma_clear_irq)(ide_drive_t *drive); - void (*dma_host_on)(ide_drive_t *drive); - void (*dma_host_off)(ide_drive_t *drive); void (*dma_lost_irq)(ide_drive_t *drive); void (*dma_timeout)(ide_drive_t *drive); @@ -766,7 +583,6 @@ typedef struct hwif_s { int rqsize; /* max sectors per request */ int irq; /* our irq number */ - unsigned long dma_master; /* reference base addr dmabase */ unsigned long dma_base; /* base addr for dma ports */ unsigned long dma_command; /* dma command register */ unsigned long dma_vendor1; /* dma vendor 1 register */ @@ -806,7 +622,6 @@ typedef struct hwif_s { /* * internal ide interrupt handler type */ -typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *); typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); typedef int (ide_expiry_t)(ide_drive_t *); @@ -1020,7 +835,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); -extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *); +void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, + ide_expiry_t *); ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); @@ -1054,60 +870,126 @@ extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t); extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); -/* - * Issue ATA command and wait for completion. - * Use for implementing commands in kernel - * - * (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf) - */ -extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); +enum { + IDE_TFLAG_LBA48 = (1 << 0), + IDE_TFLAG_NO_SELECT_MASK = (1 << 1), + IDE_TFLAG_FLAGGED = (1 << 2), + IDE_TFLAG_OUT_DATA = (1 << 3), + IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), + IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | + IDE_TFLAG_OUT_HOB_NSECT | + IDE_TFLAG_OUT_HOB_LBAL | + IDE_TFLAG_OUT_HOB_LBAM | + IDE_TFLAG_OUT_HOB_LBAH, + IDE_TFLAG_OUT_FEATURE = (1 << 9), + IDE_TFLAG_OUT_NSECT = (1 << 10), + IDE_TFLAG_OUT_LBAL = (1 << 11), + IDE_TFLAG_OUT_LBAM = (1 << 12), + IDE_TFLAG_OUT_LBAH = (1 << 13), + IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | + IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_OUT_LBAM | + IDE_TFLAG_OUT_LBAH, + IDE_TFLAG_OUT_DEVICE = (1 << 14), + IDE_TFLAG_WRITE = (1 << 15), + IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), + IDE_TFLAG_IN_DATA = (1 << 17), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), + IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), + IDE_TFLAG_IN_HOB_NSECT = (1 << 21), + IDE_TFLAG_IN_HOB_LBAL = (1 << 22), + IDE_TFLAG_IN_HOB_LBAM = (1 << 23), + IDE_TFLAG_IN_HOB_LBAH = (1 << 24), + IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | + IDE_TFLAG_IN_HOB_LBAM | + IDE_TFLAG_IN_HOB_LBAH, + IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | + IDE_TFLAG_IN_HOB_NSECT | + IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_NSECT = (1 << 25), + IDE_TFLAG_IN_LBAL = (1 << 26), + IDE_TFLAG_IN_LBAM = (1 << 27), + IDE_TFLAG_IN_LBAH = (1 << 28), + IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | + IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_LBAH, + IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | + IDE_TFLAG_IN_LBA, + IDE_TFLAG_IN_DEVICE = (1 << 29), + IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | + IDE_TFLAG_IN_HOB, + IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | + IDE_TFLAG_IN_TF, + IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | + IDE_TFLAG_IN_DEVICE, + /* force 16-bit I/O operations */ + IDE_TFLAG_IO_16BIT = (1 << 30), +}; + +struct ide_taskfile { + u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ + + u8 hob_feature; /* 1-5: additional data to support LBA48 */ + u8 hob_nsect; + u8 hob_lbal; + u8 hob_lbam; + u8 hob_lbah; + + u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ + + union { /*  7: */ + u8 error; /* read: error */ + u8 feature; /* write: feature */ + }; + + u8 nsect; /* 8: number of sectors */ + u8 lbal; /* 9: LBA low */ + u8 lbam; /* 10: LBA mid */ + u8 lbah; /* 11: LBA high */ + + u8 device; /* 12: device select */ + + union { /* 13: */ + u8 status; /*  read: status  */ + u8 command; /* write: command */ + }; +}; typedef struct ide_task_s { -/* - * struct hd_drive_task_hdr tf; - * task_struct_t tf; - * struct hd_drive_hob_hdr hobf; - * hob_struct_t hobf; - */ - task_ioreg_t tfRegister[8]; - task_ioreg_t hobRegister[8]; - ide_reg_valid_t tf_out_flags; - ide_reg_valid_t tf_in_flags; + union { + struct ide_taskfile tf; + u8 tf_array[14]; + }; + u32 tf_flags; int data_phase; - int command_type; - ide_pre_handler_t *prehandler; - ide_handler_t *handler; struct request *rq; /* copy of request */ void *special; /* valid_t generally */ } ide_task_t; -extern u32 ide_read_24(ide_drive_t *); +void ide_tf_load(ide_drive_t *, ide_task_t *); +void ide_tf_read(ide_drive_t *, ide_task_t *); extern void SELECT_DRIVE(ide_drive_t *); -extern void SELECT_INTERRUPT(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); -extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); -/* - * taskfile io for disks for now...and builds request from ide_ioctl - */ -extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); +void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); -/* - * Special Flagged Register Validation Caller - */ -extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *); +ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); + +void task_end_request(ide_drive_t *, struct request *, u8); -extern ide_startstop_t set_multmode_intr(ide_drive_t *); -extern ide_startstop_t set_geometry_intr(ide_drive_t *); -extern ide_startstop_t recal_intr(ide_drive_t *); -extern ide_startstop_t task_no_data_intr(ide_drive_t *); -extern ide_startstop_t task_in_intr(ide_drive_t *); -extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); +u8 wait_drive_not_busy(ide_drive_t *); -extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *); +int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); +int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); @@ -1133,10 +1015,9 @@ extern void do_ide_request(struct request_queue *); void ide_init_disk(struct gendisk *, ide_drive_t *); -extern int ideprobe_init(void); - #ifdef CONFIG_IDEPCI_PCIBUS_ORDER -extern void ide_scan_pcibus(int scan_direction) __init; +extern int ide_scan_direction; +int __init ide_scan_pcibus(void); extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name); #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME) #else @@ -1212,6 +1093,9 @@ enum { IDE_HFLAG_IO_32BIT = (1 << 24), /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), + IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), + /* host is CY82C693 */ + IDE_HFLAG_CY82C693 = (1 << 27), }; #ifdef CONFIG_BLK_DEV_OFFBOARD @@ -1226,10 +1110,9 @@ struct ide_port_info { void (*init_iops)(ide_hwif_t *); void (*init_hwif)(ide_hwif_t *); void (*init_dma)(ide_hwif_t *, unsigned long); - void (*fixup)(ide_hwif_t *); ide_pci_enablebit_t enablebits[2]; hwif_chipset_t chipset; - unsigned int extra; + u8 extra; u32 host_flags; u8 pio_mask; u8 swdma_mask; @@ -1264,7 +1147,9 @@ static inline u8 ide_max_dma_mode(ide_drive_t *drive) return ide_find_dma_mode(drive, XFER_UDMA_6); } +void ide_dma_off_quietly(ide_drive_t *); void ide_dma_off(ide_drive_t *); +void ide_dma_on(ide_drive_t *); int ide_set_dma(ide_drive_t *); ide_startstop_t ide_dma_intr(ide_drive_t *); @@ -1275,10 +1160,7 @@ extern void ide_destroy_dmatable(ide_drive_t *); extern int ide_release_dma(ide_hwif_t *); extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int); -void ide_dma_host_off(ide_drive_t *); -void ide_dma_off_quietly(ide_drive_t *); -void ide_dma_host_on(ide_drive_t *); -extern int __ide_dma_on(ide_drive_t *); +void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); extern void ide_dma_start(ide_drive_t *); extern int __ide_dma_end(ide_drive_t *); @@ -1290,7 +1172,9 @@ extern void ide_dma_timeout(ide_drive_t *); static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } +static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } static inline void ide_dma_off(ide_drive_t *drive) { ; } +static inline void ide_dma_on(ide_drive_t *drive) { ; } static inline void ide_dma_verbose(ide_drive_t *drive) { ; } static inline int ide_set_dma(ide_drive_t *drive) { return 1; } #endif /* CONFIG_BLK_DEV_IDEDMA */ @@ -1320,8 +1204,9 @@ extern void ide_unregister (unsigned int index); void ide_register_region(struct gendisk *); void ide_unregister_region(struct gendisk *); -void ide_undecoded_slave(ide_hwif_t *); +void ide_undecoded_slave(ide_drive_t *); +int ide_device_add_all(u8 *idx); int ide_device_add(u8 idx[4]); static inline void *ide_get_hwifdata (ide_hwif_t * hwif) @@ -1356,6 +1241,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) return 0; } +u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { @@ -1418,4 +1304,9 @@ static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) return &hwif->drives[(drive->dn ^ 1) & 1]; } +static inline void ide_set_irq(ide_drive_t *drive, int on) +{ + drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG); +} + #endif /* _IDE_H */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index cae35b6b9ae..e6b3f708067 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -132,9 +132,11 @@ extern struct group_info init_groups; .cpus_allowed = CPU_MASK_ALL, \ .mm = NULL, \ .active_mm = &init_mm, \ - .run_list = LIST_HEAD_INIT(tsk.run_list), \ - .ioprio = 0, \ - .time_slice = HZ, \ + .rt = { \ + .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \ + .time_slice = HZ, \ + .nr_cpus_allowed = NR_CPUS, \ + }, \ .tasks = LIST_HEAD_INIT(tsk.tasks), \ .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 2306920fa38..c3db4a00f1f 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -256,6 +256,7 @@ enum #ifdef CONFIG_HIGH_RES_TIMERS HRTIMER_SOFTIRQ, #endif + RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */ }; /* softirq mask and active fields moved to irq_cpustat_t in diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h new file mode 100644 index 00000000000..593b222d9dc --- /dev/null +++ b/include/linux/iocontext.h @@ -0,0 +1,95 @@ +#ifndef IOCONTEXT_H +#define IOCONTEXT_H + +#include <linux/radix-tree.h> + +/* + * This is the per-process anticipatory I/O scheduler state. + */ +struct as_io_context { + spinlock_t lock; + + void (*dtor)(struct as_io_context *aic); /* destructor */ + void (*exit)(struct as_io_context *aic); /* called on task exit */ + + unsigned long state; + atomic_t nr_queued; /* queued reads & sync writes */ + atomic_t nr_dispatched; /* number of requests gone to the drivers */ + + /* IO History tracking */ + /* Thinktime */ + unsigned long last_end_request; + unsigned long ttime_total; + unsigned long ttime_samples; + unsigned long ttime_mean; + /* Layout pattern */ + unsigned int seek_samples; + sector_t last_request_pos; + u64 seek_total; + sector_t seek_mean; +}; + +struct cfq_queue; +struct cfq_io_context { + void *key; + unsigned long dead_key; + + struct cfq_queue *cfqq[2]; + + struct io_context *ioc; + + unsigned long last_end_request; + sector_t last_request_pos; + + unsigned long ttime_total; + unsigned long ttime_samples; + unsigned long ttime_mean; + + unsigned int seek_samples; + u64 seek_total; + sector_t seek_mean; + + struct list_head queue_list; + + void (*dtor)(struct io_context *); /* destructor */ + void (*exit)(struct io_context *); /* called on task exit */ +}; + +/* + * I/O subsystem state of the associated processes. It is refcounted + * and kmalloc'ed. These could be shared between processes. + */ +struct io_context { + atomic_t refcount; + atomic_t nr_tasks; + + /* all the fields below are protected by this lock */ + spinlock_t lock; + + unsigned short ioprio; + unsigned short ioprio_changed; + + /* + * For request batching + */ + unsigned long last_waited; /* Time last woken after wait for request */ + int nr_batch_requests; /* Number of requests left in the batch */ + + struct as_io_context *aic; + struct radix_tree_root radix_root; + void *ioc_data; +}; + +static inline struct io_context *ioc_task_link(struct io_context *ioc) +{ + /* + * if ref count is zero, don't allow sharing (ioc is going away, it's + * a race). + */ + if (ioc && atomic_inc_not_zero(&ioc->refcount)) + return ioc; + + return NULL; +} + +#endif diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index baf29387cab..2a3bb1bb743 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -2,6 +2,7 @@ #define IOPRIO_H #include <linux/sched.h> +#include <linux/iocontext.h> /* * Gives us 8 prio classes with 13-bits of data for each class @@ -45,18 +46,18 @@ enum { * the cpu scheduler nice value to an io priority */ #define IOPRIO_NORM (4) -static inline int task_ioprio(struct task_struct *task) +static inline int task_ioprio(struct io_context *ioc) { - if (ioprio_valid(task->ioprio)) - return IOPRIO_PRIO_DATA(task->ioprio); + if (ioprio_valid(ioc->ioprio)) + return IOPRIO_PRIO_DATA(ioc->ioprio); return IOPRIO_NORM; } -static inline int task_ioprio_class(struct task_struct *task) +static inline int task_ioprio_class(struct io_context *ioc) { - if (ioprio_valid(task->ioprio)) - return IOPRIO_PRIO_CLASS(task->ioprio); + if (ioprio_valid(ioc->ioprio)) + return IOPRIO_PRIO_CLASS(ioc->ioprio); return IOPRIO_CLASS_BE; } diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 8b080024bbc..7ba9e47bf06 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -29,6 +29,12 @@ # define SHIFT_HZ 9 #elif HZ >= 768 && HZ < 1536 # define SHIFT_HZ 10 +#elif HZ >= 1536 && HZ < 3072 +# define SHIFT_HZ 11 +#elif HZ >= 3072 && HZ < 6144 +# define SHIFT_HZ 12 +#elif HZ >= 6144 && HZ < 12288 +# define SHIFT_HZ 13 #else # error You lose. #endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 94bc9965696..a7283c9bead 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -105,8 +105,8 @@ struct user; * supposed to. */ #ifdef CONFIG_PREEMPT_VOLUNTARY -extern int cond_resched(void); -# define might_resched() cond_resched() +extern int _cond_resched(void); +# define might_resched() _cond_resched() #else # define might_resched() do { } while (0) #endif diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h new file mode 100644 index 00000000000..901c2d6377a --- /dev/null +++ b/include/linux/latencytop.h @@ -0,0 +1,44 @@ +/* + * latencytop.h: Infrastructure for displaying latency + * + * (C) Copyright 2008 Intel Corporation + * Author: Arjan van de Ven <arjan@linux.intel.com> + * + */ + +#ifndef _INCLUDE_GUARD_LATENCYTOP_H_ +#define _INCLUDE_GUARD_LATENCYTOP_H_ + +#ifdef CONFIG_LATENCYTOP + +#define LT_SAVECOUNT 32 +#define LT_BACKTRACEDEPTH 12 + +struct latency_record { + unsigned long backtrace[LT_BACKTRACEDEPTH]; + unsigned int count; + unsigned long time; + unsigned long max; +}; + + +struct task_struct; + +void account_scheduler_latency(struct task_struct *task, int usecs, int inter); + +void clear_all_latency_tracing(struct task_struct *p); + +#else + +static inline void +account_scheduler_latency(struct task_struct *task, int usecs, int inter) +{ +} + +static inline void clear_all_latency_tracing(struct task_struct *p) +{ +} + +#endif + +#endif diff --git a/include/linux/libata.h b/include/linux/libata.h index 124033cb5e9..4374c427778 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -35,6 +35,7 @@ #include <linux/workqueue.h> #include <scsi/scsi_host.h> #include <linux/acpi.h> +#include <linux/cdrom.h> /* * Define if arch has non-standard setup. This is a _PCI_ standard @@ -143,10 +144,11 @@ enum { ATA_DFLAG_NCQ_OFF = (1 << 13), /* device limited to non-NCQ mode */ ATA_DFLAG_SPUNDOWN = (1 << 14), /* XXX: for spindown_compat */ ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */ - ATA_DFLAG_INIT_MASK = (1 << 16) - 1, + ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */ + ATA_DFLAG_INIT_MASK = (1 << 24) - 1, - ATA_DFLAG_DETACH = (1 << 16), - ATA_DFLAG_DETACHED = (1 << 17), + ATA_DFLAG_DETACH = (1 << 24), + ATA_DFLAG_DETACHED = (1 << 25), ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ @@ -217,9 +219,7 @@ enum { /* struct ata_queued_cmd flags */ ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */ - ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */ - ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */ - ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE, + ATA_QCFLAG_DMAMAP = (1 << 1), /* SG table is DMA mapped */ ATA_QCFLAG_IO = (1 << 3), /* standard IO command */ ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */ ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */ @@ -266,19 +266,15 @@ enum { PORT_DISABLED = 2, /* encoding various smaller bitmaps into a single - * unsigned int bitmap + * unsigned long bitmap */ - ATA_BITS_PIO = 7, - ATA_BITS_MWDMA = 5, - ATA_BITS_UDMA = 8, + ATA_NR_PIO_MODES = 7, + ATA_NR_MWDMA_MODES = 5, + ATA_NR_UDMA_MODES = 8, ATA_SHIFT_PIO = 0, - ATA_SHIFT_MWDMA = ATA_SHIFT_PIO + ATA_BITS_PIO, - ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_BITS_MWDMA, - - ATA_MASK_PIO = ((1 << ATA_BITS_PIO) - 1) << ATA_SHIFT_PIO, - ATA_MASK_MWDMA = ((1 << ATA_BITS_MWDMA) - 1) << ATA_SHIFT_MWDMA, - ATA_MASK_UDMA = ((1 << ATA_BITS_UDMA) - 1) << ATA_SHIFT_UDMA, + ATA_SHIFT_MWDMA = ATA_SHIFT_PIO + ATA_NR_PIO_MODES, + ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_NR_MWDMA_MODES, /* size of buffer to pad xfers ending on unaligned boundaries */ ATA_DMA_PAD_SZ = 4, @@ -349,6 +345,21 @@ enum { ATA_DMA_MASK_ATA = (1 << 0), /* DMA on ATA Disk */ ATA_DMA_MASK_ATAPI = (1 << 1), /* DMA on ATAPI */ ATA_DMA_MASK_CFA = (1 << 2), /* DMA on CF Card */ + + /* ATAPI command types */ + ATAPI_READ = 0, /* READs */ + ATAPI_WRITE = 1, /* WRITEs */ + ATAPI_READ_CD = 2, /* READ CD [MSF] */ + ATAPI_MISC = 3, /* the rest */ +}; + +enum ata_xfer_mask { + ATA_MASK_PIO = ((1LU << ATA_NR_PIO_MODES) - 1) + << ATA_SHIFT_PIO, + ATA_MASK_MWDMA = ((1LU << ATA_NR_MWDMA_MODES) - 1) + << ATA_SHIFT_MWDMA, + ATA_MASK_UDMA = ((1LU << ATA_NR_UDMA_MODES) - 1) + << ATA_SHIFT_UDMA, }; enum hsm_task_states { @@ -447,7 +458,7 @@ struct ata_queued_cmd { unsigned int tag; unsigned int n_elem; unsigned int n_iter; - unsigned int orig_n_elem; + unsigned int mapped_n_elem; int dma_dir; @@ -455,17 +466,18 @@ struct ata_queued_cmd { unsigned int sect_size; unsigned int nbytes; + unsigned int raw_nbytes; unsigned int curbytes; struct scatterlist *cursg; unsigned int cursg_ofs; + struct scatterlist *last_sg; + struct scatterlist saved_last_sg; struct scatterlist sgent; - struct scatterlist pad_sgent; - void *buf_virt; + struct scatterlist extra_sg[2]; - /* DO NOT iterate over __sg manually, use ata_for_each_sg() */ - struct scatterlist *__sg; + struct scatterlist *sg; unsigned int err_mask; struct ata_taskfile result_tf; @@ -482,7 +494,7 @@ struct ata_port_stats { }; struct ata_ering_entry { - int is_io; + unsigned int eflags; unsigned int err_mask; u64 timestamp; }; @@ -522,9 +534,9 @@ struct ata_device { unsigned int cdb_len; /* per-dev xfer mask */ - unsigned int pio_mask; - unsigned int mwdma_mask; - unsigned int udma_mask; + unsigned long pio_mask; + unsigned long mwdma_mask; + unsigned long udma_mask; /* for CHS addressing */ u16 cylinders; /* Number of cylinders */ @@ -560,6 +572,8 @@ struct ata_eh_context { int tries[ATA_MAX_DEVICES]; unsigned int classes[ATA_MAX_DEVICES]; unsigned int did_probe_mask; + unsigned int saved_ncq_enabled; + u8 saved_xfer_mode[ATA_MAX_DEVICES]; }; struct ata_acpi_drive @@ -686,7 +700,8 @@ struct ata_port_operations { void (*bmdma_setup) (struct ata_queued_cmd *qc); void (*bmdma_start) (struct ata_queued_cmd *qc); - void (*data_xfer) (struct ata_device *, unsigned char *, unsigned int, int); + unsigned int (*data_xfer) (struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw); int (*qc_defer) (struct ata_queued_cmd *qc); void (*qc_prep) (struct ata_queued_cmd *qc); @@ -832,8 +847,6 @@ extern int ata_busy_sleep(struct ata_port *ap, unsigned long timeout_pat, unsigned long timeout); extern void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline); extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline); -extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn, - void *data, unsigned long delay); extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, unsigned long interval_msec, unsigned long timeout_msec); @@ -848,6 +861,16 @@ extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf); extern void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis); extern void ata_tf_from_fis(const u8 *fis, struct ata_taskfile *tf); +extern unsigned long ata_pack_xfermask(unsigned long pio_mask, + unsigned long mwdma_mask, unsigned long udma_mask); +extern void ata_unpack_xfermask(unsigned long xfer_mask, + unsigned long *pio_mask, unsigned long *mwdma_mask, + unsigned long *udma_mask); +extern u8 ata_xfer_mask2mode(unsigned long xfer_mask); +extern unsigned long ata_xfer_mode2mask(u8 xfer_mode); +extern int ata_xfer_mode2shift(unsigned long xfer_mode); +extern const char *ata_mode_string(unsigned long xfer_mask); +extern unsigned long ata_id_xfermask(const u16 *id); extern void ata_noop_dev_select(struct ata_port *ap, unsigned int device); extern void ata_std_dev_select(struct ata_port *ap, unsigned int device); extern u8 ata_check_status(struct ata_port *ap); @@ -856,17 +879,15 @@ extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) extern int ata_port_start(struct ata_port *ap); extern int ata_sff_port_start(struct ata_port *ap); extern irqreturn_t ata_interrupt(int irq, void *dev_instance); -extern void ata_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data); -extern void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data); +extern unsigned int ata_data_xfer(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw); +extern unsigned int ata_data_xfer_noirq(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw); extern int ata_std_qc_defer(struct ata_queued_cmd *qc); extern void ata_dumb_qc_prep(struct ata_queued_cmd *qc); extern void ata_qc_prep(struct ata_queued_cmd *qc); extern void ata_noop_qc_prep(struct ata_queued_cmd *qc); extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc); -extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, - unsigned int buflen); extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, unsigned int n_elem); extern unsigned int ata_dev_classify(const struct ata_taskfile *tf); @@ -875,7 +896,6 @@ extern void ata_id_string(const u16 *id, unsigned char *s, unsigned int ofs, unsigned int len); extern void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs, unsigned int len); -extern void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown); extern void ata_bmdma_setup(struct ata_queued_cmd *qc); extern void ata_bmdma_start(struct ata_queued_cmd *qc); extern void ata_bmdma_stop(struct ata_queued_cmd *qc); @@ -910,6 +930,7 @@ extern u8 ata_irq_on(struct ata_port *ap); extern int ata_cable_40wire(struct ata_port *ap); extern int ata_cable_80wire(struct ata_port *ap); extern int ata_cable_sata(struct ata_port *ap); +extern int ata_cable_ignore(struct ata_port *ap); extern int ata_cable_unknown(struct ata_port *ap); /* @@ -917,11 +938,13 @@ extern int ata_cable_unknown(struct ata_port *ap); */ extern unsigned int ata_pio_need_iordy(const struct ata_device *); +extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode); extern int ata_timing_compute(struct ata_device *, unsigned short, struct ata_timing *, int, int); extern void ata_timing_merge(const struct ata_timing *, const struct ata_timing *, struct ata_timing *, unsigned int); +extern u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle); enum { ATA_TIMING_SETUP = (1 << 0), @@ -948,15 +971,40 @@ static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) return &ap->__acpi_init_gtm; return NULL; } -extern int ata_acpi_cbl_80wire(struct ata_port *ap); int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm); int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm); +unsigned long ata_acpi_gtm_xfermask(struct ata_device *dev, + const struct ata_acpi_gtm *gtm); +int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm); #else static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) { return NULL; } -static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; } + +static inline int ata_acpi_stm(const struct ata_port *ap, + struct ata_acpi_gtm *stm) +{ + return -ENOSYS; +} + +static inline int ata_acpi_gtm(const struct ata_port *ap, + struct ata_acpi_gtm *stm) +{ + return -ENOSYS; +} + +static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev, + const struct ata_acpi_gtm *gtm) +{ + return 0; +} + +static inline int ata_acpi_cbl_80wire(struct ata_port *ap, + const struct ata_acpi_gtm *gtm) +{ + return 0; +} #endif #ifdef CONFIG_PCI @@ -985,8 +1033,12 @@ extern int ata_pci_init_bmdma(struct ata_host *host); extern int ata_pci_prepare_sff_host(struct pci_dev *pdev, const struct ata_port_info * const * ppi, struct ata_host **r_host); +extern int ata_pci_activate_sff_host(struct ata_host *host, + irq_handler_t irq_handler, + struct scsi_host_template *sht); extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits); -extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long); +extern unsigned long ata_pci_default_filter(struct ata_device *dev, + unsigned long xfer_mask); #endif /* CONFIG_PCI */ /* @@ -1074,35 +1126,6 @@ extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset, const char *name); #endif -/* - * qc helpers - */ -static inline struct scatterlist * -ata_qc_first_sg(struct ata_queued_cmd *qc) -{ - qc->n_iter = 0; - if (qc->n_elem) - return qc->__sg; - if (qc->pad_len) - return &qc->pad_sgent; - return NULL; -} - -static inline struct scatterlist * -ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc) -{ - if (sg == &qc->pad_sgent) - return NULL; - if (++qc->n_iter < qc->n_elem) - return sg_next(sg); - if (qc->pad_len) - return &qc->pad_sgent; - return NULL; -} - -#define ata_for_each_sg(sg, qc) \ - for (sg = ata_qc_first_sg(qc); sg; sg = ata_qc_next_sg(sg, qc)) - static inline unsigned int ata_tag_valid(unsigned int tag) { return (tag < ATA_MAX_QUEUE) ? 1 : 0; @@ -1337,15 +1360,17 @@ static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf) static inline void ata_qc_reinit(struct ata_queued_cmd *qc) { qc->dma_dir = DMA_NONE; - qc->__sg = NULL; + qc->sg = NULL; qc->flags = 0; qc->cursg = NULL; qc->cursg_ofs = 0; - qc->nbytes = qc->curbytes = 0; + qc->nbytes = qc->raw_nbytes = qc->curbytes = 0; qc->n_elem = 0; + qc->mapped_n_elem = 0; qc->n_iter = 0; qc->err_mask = 0; qc->pad_len = 0; + qc->last_sg = NULL; qc->sect_size = ATA_SECT_SIZE; ata_tf_init(qc->dev, &qc->tf); @@ -1362,6 +1387,27 @@ static inline int ata_try_flush_cache(const struct ata_device *dev) ata_id_has_flush_ext(dev->id); } +static inline int atapi_cmd_type(u8 opcode) +{ + switch (opcode) { + case GPCMD_READ_10: + case GPCMD_READ_12: + return ATAPI_READ; + + case GPCMD_WRITE_10: + case GPCMD_WRITE_12: + case GPCMD_WRITE_AND_VERIFY_10: + return ATAPI_WRITE; + + case GPCMD_READ_CD: + case GPCMD_READ_CD_MSF: + return ATAPI_READ_CD; + + default: + return ATAPI_MISC; + } +} + static inline unsigned int ac_err_mask(u8 status) { if (status & (ATA_BUSY | ATA_DRQ)) diff --git a/include/linux/m41t00.h b/include/linux/m41t00.h deleted file mode 100644 index b423360ca38..00000000000 --- a/include/linux/m41t00.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Definitions for the ST M41T00 family of i2c rtc chips. - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2005, 2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#ifndef _M41T00_H -#define _M41T00_H - -#define M41T00_DRV_NAME "m41t00" -#define M41T00_I2C_ADDR 0x68 - -#define M41T00_TYPE_M41T00 0 -#define M41T00_TYPE_M41T81 81 -#define M41T00_TYPE_M41T85 85 - -struct m41t00_platform_data { - u8 type; - u8 i2c_addr; - u8 sqw_freq; -}; - -/* SQW output disabled, this is default value by power on */ -#define M41T00_SQW_DISABLE (0) - -#define M41T00_SQW_32KHZ (1<<4) /* 32.768 KHz */ -#define M41T00_SQW_8KHZ (2<<4) /* 8.192 KHz */ -#define M41T00_SQW_4KHZ (3<<4) /* 4.096 KHz */ -#define M41T00_SQW_2KHZ (4<<4) /* 2.048 KHz */ -#define M41T00_SQW_1KHZ (5<<4) /* 1.024 KHz */ -#define M41T00_SQW_512HZ (6<<4) /* 512 Hz */ -#define M41T00_SQW_256HZ (7<<4) /* 256 Hz */ -#define M41T00_SQW_128HZ (8<<4) /* 128 Hz */ -#define M41T00_SQW_64HZ (9<<4) /* 64 Hz */ -#define M41T00_SQW_32HZ (10<<4) /* 32 Hz */ -#define M41T00_SQW_16HZ (11<<4) /* 16 Hz */ -#define M41T00_SQW_8HZ (12<<4) /* 8 Hz */ -#define M41T00_SQW_4HZ (13<<4) /* 4 Hz */ -#define M41T00_SQW_2HZ (14<<4) /* 2 Hz */ -#define M41T00_SQW_1HZ (15<<4) /* 1 Hz */ - -extern ulong m41t00_get_rtc_time(void); -extern int m41t00_set_rtc_time(ulong nowtime); - -#endif /* _M41T00_H */ diff --git a/include/linux/mv643xx.h b/include/linux/mv643xx.h index d2ae6185f03..69327b7b4ce 100644 --- a/include/linux/mv643xx.h +++ b/include/linux/mv643xx.h @@ -15,6 +15,7 @@ #include <asm/types.h> #include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> /****************************************/ /* Processor Address Space */ @@ -863,7 +864,6 @@ /* I2C Registers */ /****************************************/ -#define MV64XXX_I2C_CTLR_NAME "mv64xxx_i2c" #define MV64XXX_I2C_OFFSET 0xc000 #define MV64XXX_I2C_REG_BLOCK_SIZE 0x0020 @@ -968,14 +968,6 @@ struct mpsc_pdata { u32 brg_clk_freq; }; -/* i2c Platform Device, Driver Data */ -struct mv64xxx_i2c_pdata { - u32 freq_m; - u32 freq_n; - u32 timeout; /* In milliseconds */ - u32 retries; -}; - /* Watchdog Platform Device, Driver Data */ #define MV64x60_WDT_NAME "mv64x60_wdt" diff --git a/include/linux/mv643xx_i2c.h b/include/linux/mv643xx_i2c.h new file mode 100644 index 00000000000..5db5152e9de --- /dev/null +++ b/include/linux/mv643xx_i2c.h @@ -0,0 +1,22 @@ +/* + * 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. + */ + +#ifndef _MV64XXX_I2C_H_ +#define _MV64XXX_I2C_H_ + +#include <linux/types.h> + +#define MV64XXX_I2C_CTLR_NAME "mv64xxx_i2c" + +/* i2c Platform Device, Driver Data */ +struct mv64xxx_i2c_pdata { + u32 freq_m; + u32 freq_n; + u32 timeout; /* In milliseconds */ +}; + +#endif /*_MV64XXX_I2C_H_*/ diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 0c40cc0b4a3..5dfbc684ce7 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -207,9 +207,7 @@ static inline int notifier_to_errno(int ret) #define CPU_DOWN_PREPARE 0x0005 /* CPU (unsigned)v going down */ #define CPU_DOWN_FAILED 0x0006 /* CPU (unsigned)v NOT going down */ #define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */ -#define CPU_LOCK_ACQUIRE 0x0008 /* Acquire all hotcpu locks */ -#define CPU_LOCK_RELEASE 0x0009 /* Release all hotcpu locks */ -#define CPU_DYING 0x000A /* CPU (unsigned)v not running any task, +#define CPU_DYING 0x0008 /* CPU (unsigned)v not running any task, * not handling interrupts, soon dead */ /* Used for CPU hotplug events occuring while tasks are frozen due to a suspend diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 7f2215139e9..1fbd0256e86 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2066,6 +2066,9 @@ #define PCI_VENDOR_ID_NETCELL 0x169c #define PCI_DEVICE_ID_REVOLUTION 0x0044 +#define PCI_VENDOR_ID_CENATEK 0x16CA +#define PCI_DEVICE_ID_CENATEK_IDE 0x0001 + #define PCI_VENDOR_ID_VITESSE 0x1725 #define PCI_DEVICE_ID_VITESSE_VSC7174 0x7174 diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h new file mode 100644 index 00000000000..4d6624260b4 --- /dev/null +++ b/include/linux/rcuclassic.h @@ -0,0 +1,164 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (classic version) + * + * 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. + * + * Copyright IBM Corporation, 2001 + * + * Author: Dipankar Sarma <dipankar@in.ibm.com> + * + * Based on the original work by Paul McKenney <paulmck@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of Read-Copy Update mechanism see - + * Documentation/RCU + * + */ + +#ifndef __LINUX_RCUCLASSIC_H +#define __LINUX_RCUCLASSIC_H + +#ifdef __KERNEL__ + +#include <linux/cache.h> +#include <linux/spinlock.h> +#include <linux/threads.h> +#include <linux/percpu.h> +#include <linux/cpumask.h> +#include <linux/seqlock.h> + + +/* Global control variables for rcupdate callback mechanism. */ +struct rcu_ctrlblk { + long cur; /* Current batch number. */ + long completed; /* Number of the last completed batch */ + int next_pending; /* Is the next batch already waiting? */ + + int signaled; + + spinlock_t lock ____cacheline_internodealigned_in_smp; + cpumask_t cpumask; /* CPUs that need to switch in order */ + /* for current batch to proceed. */ +} ____cacheline_internodealigned_in_smp; + +/* Is batch a before batch b ? */ +static inline int rcu_batch_before(long a, long b) +{ + return (a - b) < 0; +} + +/* Is batch a after batch b ? */ +static inline int rcu_batch_after(long a, long b) +{ + return (a - b) > 0; +} + +/* + * Per-CPU data for Read-Copy UPdate. + * nxtlist - new callbacks are added here + * curlist - current batch for which quiescent cycle started if any + */ +struct rcu_data { + /* 1) quiescent state handling : */ + long quiescbatch; /* Batch # for grace period */ + int passed_quiesc; /* User-mode/idle loop etc. */ + int qs_pending; /* core waits for quiesc state */ + + /* 2) batch handling */ + long batch; /* Batch # for current RCU batch */ + struct rcu_head *nxtlist; + struct rcu_head **nxttail; + long qlen; /* # of queued callbacks */ + struct rcu_head *curlist; + struct rcu_head **curtail; + struct rcu_head *donelist; + struct rcu_head **donetail; + long blimit; /* Upper limit on a processed batch */ + int cpu; + struct rcu_head barrier; +}; + +DECLARE_PER_CPU(struct rcu_data, rcu_data); +DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); + +/* + * Increment the quiescent state counter. + * The counter is a bit degenerated: We do not need to know + * how many quiescent states passed, just if there was at least + * one since the start of the grace period. Thus just a flag. + */ +static inline void rcu_qsctr_inc(int cpu) +{ + struct rcu_data *rdp = &per_cpu(rcu_data, cpu); + rdp->passed_quiesc = 1; +} +static inline void rcu_bh_qsctr_inc(int cpu) +{ + struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu); + rdp->passed_quiesc = 1; +} + +extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern struct lockdep_map rcu_lock_map; +# define rcu_read_acquire() \ + lock_acquire(&rcu_lock_map, 0, 0, 2, 1, _THIS_IP_) +# define rcu_read_release() lock_release(&rcu_lock_map, 1, _THIS_IP_) +#else +# define rcu_read_acquire() do { } while (0) +# define rcu_read_release() do { } while (0) +#endif + +#define __rcu_read_lock() \ + do { \ + preempt_disable(); \ + __acquire(RCU); \ + rcu_read_acquire(); \ + } while (0) +#define __rcu_read_unlock() \ + do { \ + rcu_read_release(); \ + __release(RCU); \ + preempt_enable(); \ + } while (0) +#define __rcu_read_lock_bh() \ + do { \ + local_bh_disable(); \ + __acquire(RCU_BH); \ + rcu_read_acquire(); \ + } while (0) +#define __rcu_read_unlock_bh() \ + do { \ + rcu_read_release(); \ + __release(RCU_BH); \ + local_bh_enable(); \ + } while (0) + +#define __synchronize_sched() synchronize_rcu() + +extern void __rcu_init(void); +extern void rcu_check_callbacks(int cpu, int user); +extern void rcu_restart_cpu(int cpu); + +extern long rcu_batches_completed(void); +extern long rcu_batches_completed_bh(void); + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUCLASSIC_H */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index cc24a01df94..d32c14de270 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -15,7 +15,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * Copyright (C) IBM Corporation, 2001 + * Copyright IBM Corporation, 2001 * * Author: Dipankar Sarma <dipankar@in.ibm.com> * @@ -53,96 +53,18 @@ struct rcu_head { void (*func)(struct rcu_head *head); }; +#ifdef CONFIG_CLASSIC_RCU +#include <linux/rcuclassic.h> +#else /* #ifdef CONFIG_CLASSIC_RCU */ +#include <linux/rcupreempt.h> +#endif /* #else #ifdef CONFIG_CLASSIC_RCU */ + #define RCU_HEAD_INIT { .next = NULL, .func = NULL } #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT #define INIT_RCU_HEAD(ptr) do { \ (ptr)->next = NULL; (ptr)->func = NULL; \ } while (0) - - -/* Global control variables for rcupdate callback mechanism. */ -struct rcu_ctrlblk { - long cur; /* Current batch number. */ - long completed; /* Number of the last completed batch */ - int next_pending; /* Is the next batch already waiting? */ - - int signaled; - - spinlock_t lock ____cacheline_internodealigned_in_smp; - cpumask_t cpumask; /* CPUs that need to switch in order */ - /* for current batch to proceed. */ -} ____cacheline_internodealigned_in_smp; - -/* Is batch a before batch b ? */ -static inline int rcu_batch_before(long a, long b) -{ - return (a - b) < 0; -} - -/* Is batch a after batch b ? */ -static inline int rcu_batch_after(long a, long b) -{ - return (a - b) > 0; -} - -/* - * Per-CPU data for Read-Copy UPdate. - * nxtlist - new callbacks are added here - * curlist - current batch for which quiescent cycle started if any - */ -struct rcu_data { - /* 1) quiescent state handling : */ - long quiescbatch; /* Batch # for grace period */ - int passed_quiesc; /* User-mode/idle loop etc. */ - int qs_pending; /* core waits for quiesc state */ - - /* 2) batch handling */ - long batch; /* Batch # for current RCU batch */ - struct rcu_head *nxtlist; - struct rcu_head **nxttail; - long qlen; /* # of queued callbacks */ - struct rcu_head *curlist; - struct rcu_head **curtail; - struct rcu_head *donelist; - struct rcu_head **donetail; - long blimit; /* Upper limit on a processed batch */ - int cpu; - struct rcu_head barrier; -}; - -DECLARE_PER_CPU(struct rcu_data, rcu_data); -DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); - -/* - * Increment the quiescent state counter. - * The counter is a bit degenerated: We do not need to know - * how many quiescent states passed, just if there was at least - * one since the start of the grace period. Thus just a flag. - */ -static inline void rcu_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_data, cpu); - rdp->passed_quiesc = 1; -} -static inline void rcu_bh_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu); - rdp->passed_quiesc = 1; -} - -extern int rcu_pending(int cpu); -extern int rcu_needs_cpu(int cpu); - -#ifdef CONFIG_DEBUG_LOCK_ALLOC -extern struct lockdep_map rcu_lock_map; -# define rcu_read_acquire() lock_acquire(&rcu_lock_map, 0, 0, 2, 1, _THIS_IP_) -# define rcu_read_release() lock_release(&rcu_lock_map, 1, _THIS_IP_) -#else -# define rcu_read_acquire() do { } while (0) -# define rcu_read_release() do { } while (0) -#endif - /** * rcu_read_lock - mark the beginning of an RCU read-side critical section. * @@ -172,24 +94,13 @@ extern struct lockdep_map rcu_lock_map; * * It is illegal to block while in an RCU read-side critical section. */ -#define rcu_read_lock() \ - do { \ - preempt_disable(); \ - __acquire(RCU); \ - rcu_read_acquire(); \ - } while(0) +#define rcu_read_lock() __rcu_read_lock() /** * rcu_read_unlock - marks the end of an RCU read-side critical section. * * See rcu_read_lock() for more information. */ -#define rcu_read_unlock() \ - do { \ - rcu_read_release(); \ - __release(RCU); \ - preempt_enable(); \ - } while(0) /* * So where is rcu_write_lock()? It does not exist, as there is no @@ -200,6 +111,7 @@ extern struct lockdep_map rcu_lock_map; * used as well. RCU does not care how the writers keep out of each * others' way, as long as they do so. */ +#define rcu_read_unlock() __rcu_read_unlock() /** * rcu_read_lock_bh - mark the beginning of a softirq-only RCU critical section @@ -212,24 +124,14 @@ extern struct lockdep_map rcu_lock_map; * can use just rcu_read_lock(). * */ -#define rcu_read_lock_bh() \ - do { \ - local_bh_disable(); \ - __acquire(RCU_BH); \ - rcu_read_acquire(); \ - } while(0) +#define rcu_read_lock_bh() __rcu_read_lock_bh() /* * rcu_read_unlock_bh - marks the end of a softirq-only RCU critical section * * See rcu_read_lock_bh() for more information. */ -#define rcu_read_unlock_bh() \ - do { \ - rcu_read_release(); \ - __release(RCU_BH); \ - local_bh_enable(); \ - } while(0) +#define rcu_read_unlock_bh() __rcu_read_unlock_bh() /* * Prevent the compiler from merging or refetching accesses. The compiler @@ -293,21 +195,52 @@ extern struct lockdep_map rcu_lock_map; * In "classic RCU", these two guarantees happen to be one and * the same, but can differ in realtime RCU implementations. */ -#define synchronize_sched() synchronize_rcu() +#define synchronize_sched() __synchronize_sched() -extern void rcu_init(void); -extern void rcu_check_callbacks(int cpu, int user); -extern void rcu_restart_cpu(int cpu); -extern long rcu_batches_completed(void); -extern long rcu_batches_completed_bh(void); +/** + * call_rcu - Queue an RCU callback for invocation after a grace period. + * @head: structure to be used for queueing the RCU updates. + * @func: actual update function to be invoked after the grace period + * + * The update function will be invoked some time after a full grace + * period elapses, in other words after all currently executing RCU + * read-side critical sections have completed. RCU read-side critical + * sections are delimited by rcu_read_lock() and rcu_read_unlock(), + * and may be nested. + */ +extern void call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)); -/* Exported interfaces */ -extern void FASTCALL(call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *head))); -extern void FASTCALL(call_rcu_bh(struct rcu_head *head, - void (*func)(struct rcu_head *head))); +/** + * call_rcu_bh - Queue an RCU for invocation after a quicker grace period. + * @head: structure to be used for queueing the RCU updates. + * @func: actual update function to be invoked after the grace period + * + * The update function will be invoked some time after a full grace + * period elapses, in other words after all currently executing RCU + * read-side critical sections have completed. call_rcu_bh() assumes + * that the read-side critical sections end on completion of a softirq + * handler. This means that read-side critical sections in process + * context must not be interrupted by softirqs. This interface is to be + * used when most of the read-side critical sections are in softirq context. + * RCU read-side critical sections are delimited by : + * - rcu_read_lock() and rcu_read_unlock(), if in interrupt context. + * OR + * - rcu_read_lock_bh() and rcu_read_unlock_bh(), if in process context. + * These may be nested. + */ +extern void call_rcu_bh(struct rcu_head *head, + void (*func)(struct rcu_head *head)); + +/* Exported common interfaces */ extern void synchronize_rcu(void); extern void rcu_barrier(void); +extern long rcu_batches_completed(void); +extern long rcu_batches_completed_bh(void); + +/* Internal to kernel */ +extern void rcu_init(void); +extern int rcu_needs_cpu(int cpu); #endif /* __KERNEL__ */ #endif /* __LINUX_RCUPDATE_H */ diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h new file mode 100644 index 00000000000..ece8eb3e415 --- /dev/null +++ b/include/linux/rcupreempt.h @@ -0,0 +1,86 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (RT implementation) + * + * 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. + * + * Copyright (C) IBM Corporation, 2006 + * + * Author: Paul McKenney <paulmck@us.ibm.com> + * + * Based on the original work by Paul McKenney <paul.mckenney@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of Read-Copy Update mechanism see - + * Documentation/RCU + * + */ + +#ifndef __LINUX_RCUPREEMPT_H +#define __LINUX_RCUPREEMPT_H + +#ifdef __KERNEL__ + +#include <linux/cache.h> +#include <linux/spinlock.h> +#include <linux/threads.h> +#include <linux/percpu.h> +#include <linux/cpumask.h> +#include <linux/seqlock.h> + +#define rcu_qsctr_inc(cpu) +#define rcu_bh_qsctr_inc(cpu) +#define call_rcu_bh(head, rcu) call_rcu(head, rcu) + +extern void __rcu_read_lock(void); +extern void __rcu_read_unlock(void); +extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); + +#define __rcu_read_lock_bh() { rcu_read_lock(); local_bh_disable(); } +#define __rcu_read_unlock_bh() { local_bh_enable(); rcu_read_unlock(); } + +extern void __synchronize_sched(void); + +extern void __rcu_init(void); +extern void rcu_check_callbacks(int cpu, int user); +extern void rcu_restart_cpu(int cpu); +extern long rcu_batches_completed(void); + +/* + * Return the number of RCU batches processed thus far. Useful for debug + * and statistic. The _bh variant is identifcal to straight RCU + */ +static inline long rcu_batches_completed_bh(void) +{ + return rcu_batches_completed(); +} + +#ifdef CONFIG_RCU_TRACE +struct rcupreempt_trace; +extern long *rcupreempt_flipctr(int cpu); +extern long rcupreempt_data_completed(void); +extern int rcupreempt_flip_flag(int cpu); +extern int rcupreempt_mb_flag(int cpu); +extern char *rcupreempt_try_flip_state_name(void); +extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu); +#endif + +struct softirq_action; + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUPREEMPT_H */ diff --git a/include/linux/rcupreempt_trace.h b/include/linux/rcupreempt_trace.h new file mode 100644 index 00000000000..21cd6b2a5c4 --- /dev/null +++ b/include/linux/rcupreempt_trace.h @@ -0,0 +1,99 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (RT implementation) + * + * 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. + * + * Copyright (C) IBM Corporation, 2006 + * + * Author: Paul McKenney <paulmck@us.ibm.com> + * + * Based on the original work by Paul McKenney <paul.mckenney@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of the Preemptible Read-Copy Update mechanism see - + * http://lwn.net/Articles/253651/ + */ + +#ifndef __LINUX_RCUPREEMPT_TRACE_H +#define __LINUX_RCUPREEMPT_TRACE_H + +#ifdef __KERNEL__ +#include <linux/types.h> +#include <linux/kernel.h> + +#include <asm/atomic.h> + +/* + * PREEMPT_RCU data structures. + */ + +struct rcupreempt_trace { + long next_length; + long next_add; + long wait_length; + long wait_add; + long done_length; + long done_add; + long done_remove; + atomic_t done_invoked; + long rcu_check_callbacks; + atomic_t rcu_try_flip_1; + atomic_t rcu_try_flip_e1; + long rcu_try_flip_i1; + long rcu_try_flip_ie1; + long rcu_try_flip_g1; + long rcu_try_flip_a1; + long rcu_try_flip_ae1; + long rcu_try_flip_a2; + long rcu_try_flip_z1; + long rcu_try_flip_ze1; + long rcu_try_flip_z2; + long rcu_try_flip_m1; + long rcu_try_flip_me1; + long rcu_try_flip_m2; +}; + +#ifdef CONFIG_RCU_TRACE +#define RCU_TRACE(fn, arg) fn(arg); +#else +#define RCU_TRACE(fn, arg) +#endif + +extern void rcupreempt_trace_move2done(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_move2wait(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_e1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_i1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ie1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_g1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_a1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ae1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_a2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_z1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ze1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_z2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_m1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_me1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_m2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_check_callbacks(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_done_remove(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_invoke(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_next_add(struct rcupreempt_trace *trace); + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUPREEMPT_TRACE_H */ diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index e3ff21dbac5..a3d567a974e 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -7,6 +7,12 @@ #include <linux/string.h> #include <asm/io.h> +struct sg_table { + struct scatterlist *sgl; /* the list */ + unsigned int nents; /* number of mapped entries */ + unsigned int orig_nents; /* original size of list */ +}; + /* * Notes on SG table design. * @@ -106,31 +112,6 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf, sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); } -/** - * sg_next - return the next scatterlist entry in a list - * @sg: The current sg entry - * - * Description: - * Usually the next entry will be @sg@ + 1, but if this sg element is part - * of a chained scatterlist, it could jump to the start of a new - * scatterlist array. - * - **/ -static inline struct scatterlist *sg_next(struct scatterlist *sg) -{ -#ifdef CONFIG_DEBUG_SG - BUG_ON(sg->sg_magic != SG_MAGIC); -#endif - if (sg_is_last(sg)) - return NULL; - - sg++; - if (unlikely(sg_is_chain(sg))) - sg = sg_chain_ptr(sg); - - return sg; -} - /* * Loop over each sg element, following the pointer to a new list if necessary */ @@ -138,40 +119,6 @@ static inline struct scatterlist *sg_next(struct scatterlist *sg) for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg)) /** - * sg_last - return the last scatterlist entry in a list - * @sgl: First entry in the scatterlist - * @nents: Number of entries in the scatterlist - * - * Description: - * Should only be used casually, it (currently) scan the entire list - * to get the last entry. - * - * Note that the @sgl@ pointer passed in need not be the first one, - * the important bit is that @nents@ denotes the number of entries that - * exist from @sgl@. - * - **/ -static inline struct scatterlist *sg_last(struct scatterlist *sgl, - unsigned int nents) -{ -#ifndef ARCH_HAS_SG_CHAIN - struct scatterlist *ret = &sgl[nents - 1]; -#else - struct scatterlist *sg, *ret = NULL; - unsigned int i; - - for_each_sg(sgl, sg, nents, i) - ret = sg; - -#endif -#ifdef CONFIG_DEBUG_SG - BUG_ON(sgl[0].sg_magic != SG_MAGIC); - BUG_ON(!sg_is_last(ret)); -#endif - return ret; -} - -/** * sg_chain - Chain two sglists together * @prv: First scatterlist * @prv_nents: Number of entries in prv @@ -223,47 +170,6 @@ static inline void sg_mark_end(struct scatterlist *sg) } /** - * sg_init_table - Initialize SG table - * @sgl: The SG table - * @nents: Number of entries in table - * - * Notes: - * If this is part of a chained sg table, sg_mark_end() should be - * used only on the last table part. - * - **/ -static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents) -{ - memset(sgl, 0, sizeof(*sgl) * nents); -#ifdef CONFIG_DEBUG_SG - { - unsigned int i; - for (i = 0; i < nents; i++) - sgl[i].sg_magic = SG_MAGIC; - } -#endif - sg_mark_end(&sgl[nents - 1]); -} - -/** - * sg_init_one - Initialize a single entry sg list - * @sg: SG entry - * @buf: Virtual address for IO - * @buflen: IO length - * - * Notes: - * This should not be used on a single entry that is part of a larger - * table. Use sg_init_table() for that. - * - **/ -static inline void sg_init_one(struct scatterlist *sg, const void *buf, - unsigned int buflen) -{ - sg_init_table(sg, 1); - sg_set_buf(sg, buf, buflen); -} - -/** * sg_phys - Return physical address of an sg entry * @sg: SG entry * @@ -293,4 +199,24 @@ static inline void *sg_virt(struct scatterlist *sg) return page_address(sg_page(sg)) + sg->offset; } +struct scatterlist *sg_next(struct scatterlist *); +struct scatterlist *sg_last(struct scatterlist *s, unsigned int); +void sg_init_table(struct scatterlist *, unsigned int); +void sg_init_one(struct scatterlist *, const void *, unsigned int); + +typedef struct scatterlist *(sg_alloc_fn)(unsigned int, gfp_t); +typedef void (sg_free_fn)(struct scatterlist *, unsigned int); + +void __sg_free_table(struct sg_table *, unsigned int, sg_free_fn *); +void sg_free_table(struct sg_table *); +int __sg_alloc_table(struct sg_table *, unsigned int, unsigned int, gfp_t, + sg_alloc_fn *); +int sg_alloc_table(struct sg_table *, unsigned int, gfp_t); + +/* + * Maximum number of entries that will be allocated in one piece, if + * a list larger than this is required then chaining will be utilized. + */ +#define SG_MAX_SINGLE_ALLOC (PAGE_SIZE / sizeof(struct scatterlist)) + #endif /* _LINUX_SCATTERLIST_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index d6eacda765c..2d0546e884e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -27,6 +27,7 @@ #define CLONE_NEWUSER 0x10000000 /* New user namespace */ #define CLONE_NEWPID 0x20000000 /* New pid namespace */ #define CLONE_NEWNET 0x40000000 /* New network namespace */ +#define CLONE_IO 0x80000000 /* Clone io context */ /* * Scheduling policies @@ -78,7 +79,6 @@ struct sched_param { #include <linux/proportions.h> #include <linux/seccomp.h> #include <linux/rcupdate.h> -#include <linux/futex.h> #include <linux/rtmutex.h> #include <linux/time.h> @@ -88,11 +88,13 @@ struct sched_param { #include <linux/hrtimer.h> #include <linux/task_io_accounting.h> #include <linux/kobject.h> +#include <linux/latencytop.h> #include <asm/processor.h> struct exec_domain; struct futex_pi_state; +struct robust_list_head; struct bio; /* @@ -230,6 +232,8 @@ static inline int select_nohz_load_balancer(int cpu) } #endif +extern unsigned long rt_needs_cpu(int cpu); + /* * Only dump TASK_* tasks. (0 for all tasks) */ @@ -257,13 +261,19 @@ extern void trap_init(void); extern void account_process_tick(struct task_struct *task, int user); extern void update_process_times(int user); extern void scheduler_tick(void); +extern void hrtick_resched(void); + +extern void sched_show_task(struct task_struct *p); #ifdef CONFIG_DETECT_SOFTLOCKUP extern void softlockup_tick(void); extern void spawn_softlockup_task(void); extern void touch_softlockup_watchdog(void); extern void touch_all_softlockup_watchdogs(void); -extern int softlockup_thresh; +extern unsigned long softlockup_thresh; +extern unsigned long sysctl_hung_task_check_count; +extern unsigned long sysctl_hung_task_timeout_secs; +extern unsigned long sysctl_hung_task_warnings; #else static inline void softlockup_tick(void) { @@ -822,6 +832,7 @@ struct sched_class { void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup); void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep); void (*yield_task) (struct rq *rq); + int (*select_task_rq)(struct task_struct *p, int sync); void (*check_preempt_curr) (struct rq *rq, struct task_struct *p); @@ -837,11 +848,25 @@ struct sched_class { int (*move_one_task) (struct rq *this_rq, int this_cpu, struct rq *busiest, struct sched_domain *sd, enum cpu_idle_type idle); + void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); + void (*post_schedule) (struct rq *this_rq); + void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); #endif void (*set_curr_task) (struct rq *rq); - void (*task_tick) (struct rq *rq, struct task_struct *p); + void (*task_tick) (struct rq *rq, struct task_struct *p, int queued); void (*task_new) (struct rq *rq, struct task_struct *p); + void (*set_cpus_allowed)(struct task_struct *p, cpumask_t *newmask); + + void (*join_domain)(struct rq *rq); + void (*leave_domain)(struct rq *rq); + + void (*switched_from) (struct rq *this_rq, struct task_struct *task, + int running); + void (*switched_to) (struct rq *this_rq, struct task_struct *task, + int running); + void (*prio_changed) (struct rq *this_rq, struct task_struct *task, + int oldprio, int running); }; struct load_weight { @@ -871,6 +896,8 @@ struct sched_entity { #ifdef CONFIG_SCHEDSTATS u64 wait_start; u64 wait_max; + u64 wait_count; + u64 wait_sum; u64 sleep_start; u64 sleep_max; @@ -909,6 +936,21 @@ struct sched_entity { #endif }; +struct sched_rt_entity { + struct list_head run_list; + unsigned int time_slice; + unsigned long timeout; + int nr_cpus_allowed; + +#ifdef CONFIG_FAIR_GROUP_SCHED + struct sched_rt_entity *parent; + /* rq on which this entity is (to be) queued: */ + struct rt_rq *rt_rq; + /* rq "owned" by this entity/group: */ + struct rt_rq *my_q; +#endif +}; + struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ void *stack; @@ -925,16 +967,15 @@ struct task_struct { #endif int prio, static_prio, normal_prio; - struct list_head run_list; const struct sched_class *sched_class; struct sched_entity se; + struct sched_rt_entity rt; #ifdef CONFIG_PREEMPT_NOTIFIERS /* list of struct preempt_notifier: */ struct hlist_head preempt_notifiers; #endif - unsigned short ioprio; /* * fpu_counter contains the number of consecutive context switches * that the FPU is used. If this is over a threshold, the lazy fpu @@ -951,7 +992,11 @@ struct task_struct { unsigned int policy; cpumask_t cpus_allowed; - unsigned int time_slice; + +#ifdef CONFIG_PREEMPT_RCU + int rcu_read_lock_nesting; + int rcu_flipctr_idx; +#endif /* #ifdef CONFIG_PREEMPT_RCU */ #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) struct sched_info sched_info; @@ -1041,6 +1086,11 @@ struct task_struct { /* ipc stuff */ struct sysv_sem sysvsem; #endif +#ifdef CONFIG_DETECT_SOFTLOCKUP +/* hung task detection */ + unsigned long last_switch_timestamp; + unsigned long last_switch_count; +#endif /* CPU-specific state of this task */ struct thread_struct thread; /* filesystem information */ @@ -1173,6 +1223,10 @@ struct task_struct { int make_it_fail; #endif struct prop_local_single dirties; +#ifdef CONFIG_LATENCYTOP + int latency_record_count; + struct latency_record latency_record[LT_SAVECOUNT]; +#endif }; /* @@ -1453,6 +1507,12 @@ extern unsigned int sysctl_sched_child_runs_first; extern unsigned int sysctl_sched_features; extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_nr_migrate; +extern unsigned int sysctl_sched_rt_period; +extern unsigned int sysctl_sched_rt_ratio; +#if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP) +extern unsigned int sysctl_sched_min_bal_int_shares; +extern unsigned int sysctl_sched_max_bal_int_shares; +#endif int sched_nr_latency_handler(struct ctl_table *table, int write, struct file *file, void __user *buffer, size_t *length, @@ -1845,7 +1905,18 @@ static inline int need_resched(void) * cond_resched_lock() will drop the spinlock before scheduling, * cond_resched_softirq() will enable bhs before scheduling. */ -extern int cond_resched(void); +#ifdef CONFIG_PREEMPT +static inline int cond_resched(void) +{ + return 0; +} +#else +extern int _cond_resched(void); +static inline int cond_resched(void) +{ + return _cond_resched(); +} +#endif extern int cond_resched_lock(spinlock_t * lock); extern int cond_resched_softirq(void); diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h index 58962c51dee..aab3a4cff4e 100644 --- a/include/linux/smp_lock.h +++ b/include/linux/smp_lock.h @@ -17,22 +17,10 @@ extern void __lockfunc __release_kernel_lock(void); __release_kernel_lock(); \ } while (0) -/* - * Non-SMP kernels will never block on the kernel lock, - * so we are better off returning a constant zero from - * reacquire_kernel_lock() so that the compiler can see - * it at compile-time. - */ -#if defined(CONFIG_SMP) && !defined(CONFIG_PREEMPT_BKL) -# define return_value_on_smp return -#else -# define return_value_on_smp -#endif - static inline int reacquire_kernel_lock(struct task_struct *task) { if (unlikely(task->lock_depth >= 0)) - return_value_on_smp __reacquire_kernel_lock(); + return __reacquire_kernel_lock(); return 0; } diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h index e7fa657d0c4..5da9794b2d7 100644 --- a/include/linux/stacktrace.h +++ b/include/linux/stacktrace.h @@ -9,10 +9,13 @@ struct stack_trace { }; extern void save_stack_trace(struct stack_trace *trace); +extern void save_stack_trace_tsk(struct task_struct *tsk, + struct stack_trace *trace); extern void print_stack_trace(struct stack_trace *trace, int spaces); #else # define save_stack_trace(trace) do { } while (0) +# define save_stack_trace_tsk(tsk, trace) do { } while (0) # define print_stack_trace(trace, spaces) do { } while (0) #endif diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 149ab62329e..802710438a9 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -32,6 +32,8 @@ struct attribute { struct attribute_group { const char *name; + int (*is_visible)(struct kobject *, + struct attribute *, int); struct attribute **attrs; }; diff --git a/include/linux/topology.h b/include/linux/topology.h index 47729f18bfd..2352f46160d 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -5,7 +5,7 @@ * * Copyright (C) 2002, IBM Corp. * - * All rights reserved. + * All rights reserved. * * 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 @@ -103,6 +103,7 @@ .forkexec_idx = 0, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | SD_WAKE_IDLE \ @@ -134,6 +135,7 @@ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | SD_WAKE_IDLE \ @@ -165,6 +167,7 @@ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | BALANCE_FOR_PKG_POWER,\ |