auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 461 deletions

diff --git a/libc/kernel/common/linux/blkdev.h b/libc/kernel/common/linux/blkdev.h
deleted file mode 100644
index 3004524..0000000
--- a/libc/kernel/common/linux/blkdev.h
+++ /dev/null
@@ -1,461 +0,0 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ****************************************************************************
- ****************************************************************************/
-#ifndef _LINUX_BLKDEV_H
-#define _LINUX_BLKDEV_H
-
-#include <linux/major.h>
-#include <linux/genhd.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-#include <linux/pagemap.h>
-#include <linux/backing-dev.h>
-#include <linux/wait.h>
-#include <linux/mempool.h>
-#include <linux/bio.h>
-#include <linux/module.h>
-#include <linux/stringify.h>
-
-#include <asm/scatterlist.h>
-
-struct scsi_ioctl_command;
-
-struct request_queue;
-typedef struct request_queue request_queue_t;
-struct elevator_queue;
-typedef struct elevator_queue elevator_t;
-struct request_pm_state;
-struct blk_trace;
-
-#define BLKDEV_MIN_RQ 4
-#define BLKDEV_MAX_RQ 128  
-
-struct as_io_context {
- spinlock_t lock;
-
- void (*dtor)(struct as_io_context *aic);
- void (*exit)(struct as_io_context *aic);
-
- unsigned long state;
- atomic_t nr_queued;
- atomic_t nr_dispatched;
-
- unsigned long last_end_request;
- unsigned long ttime_total;
- unsigned long ttime_samples;
- unsigned long ttime_mean;
-
- 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 last_queue;
-
- 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 *);
- void (*exit)(struct io_context *);
-};
-
-struct io_context {
- atomic_t refcount;
- struct task_struct *task;
-
- int (*set_ioprio)(struct io_context *, unsigned int);
-
- unsigned long last_waited;
- int nr_batch_requests;
-
- struct as_io_context *aic;
- struct rb_root cic_root;
-};
-
-struct io_context *current_io_context(gfp_t gfp_flags);
-struct io_context *get_io_context(gfp_t gfp_flags);
-
-struct request;
-typedef void (rq_end_io_fn)(struct request *, int);
-
-struct request_list {
- int count[2];
- int starved[2];
- int elvpriv;
- mempool_t *rq_pool;
- wait_queue_head_t wait[2];
-};
-
-#define BLK_MAX_CDB 16
-
-struct request {
- struct list_head queuelist;
- struct list_head donelist;
-
- unsigned long flags;
-
- sector_t sector;
- unsigned long nr_sectors;
-
- unsigned int current_nr_sectors;
-
- sector_t hard_sector;
- unsigned long hard_nr_sectors;
-
- unsigned int hard_cur_sectors;
-
- struct bio *bio;
- struct bio *biotail;
-
- void *elevator_private;
- void *completion_data;
-
- int rq_status;
- int errors;
- struct gendisk *rq_disk;
- unsigned long start_time;
-
- unsigned short nr_phys_segments;
-
- unsigned short nr_hw_segments;
-
- unsigned short ioprio;
-
- int tag;
-
- int ref_count;
- request_queue_t *q;
- struct request_list *rl;
-
- struct completion *waiting;
- void *special;
- char *buffer;
-
- unsigned int cmd_len;
- unsigned char cmd[BLK_MAX_CDB];
-
- unsigned int data_len;
- unsigned int sense_len;
- void *data;
- void *sense;
-
- unsigned int timeout;
- int retries;
-
- rq_end_io_fn *end_io;
- void *end_io_data;
-};
-
-enum rq_flag_bits {
- __REQ_RW,
- __REQ_FAILFAST,
- __REQ_SORTED,
- __REQ_SOFTBARRIER,
- __REQ_HARDBARRIER,
- __REQ_FUA,
- __REQ_CMD,
- __REQ_NOMERGE,
- __REQ_STARTED,
- __REQ_DONTPREP,
- __REQ_QUEUED,
- __REQ_ELVPRIV,
-
- __REQ_PC,
- __REQ_BLOCK_PC,
- __REQ_SENSE,
-
- __REQ_FAILED,
- __REQ_QUIET,
- __REQ_SPECIAL,
- __REQ_DRIVE_CMD,
- __REQ_DRIVE_TASK,
- __REQ_DRIVE_TASKFILE,
- __REQ_PREEMPT,
- __REQ_PM_SUSPEND,
- __REQ_PM_RESUME,
- __REQ_PM_SHUTDOWN,
- __REQ_ORDERED_COLOR,
- __REQ_RW_SYNC,
- __REQ_NR_BITS,
-};
-
-#define REQ_RW (1 << __REQ_RW)
-#define REQ_FAILFAST (1 << __REQ_FAILFAST)
-#define REQ_SORTED (1 << __REQ_SORTED)
-#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER)
-#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER)
-#define REQ_FUA (1 << __REQ_FUA)
-#define REQ_CMD (1 << __REQ_CMD)
-#define REQ_NOMERGE (1 << __REQ_NOMERGE)
-#define REQ_STARTED (1 << __REQ_STARTED)
-#define REQ_DONTPREP (1 << __REQ_DONTPREP)
-#define REQ_QUEUED (1 << __REQ_QUEUED)
-#define REQ_ELVPRIV (1 << __REQ_ELVPRIV)
-#define REQ_PC (1 << __REQ_PC)
-#define REQ_BLOCK_PC (1 << __REQ_BLOCK_PC)
-#define REQ_SENSE (1 << __REQ_SENSE)
-#define REQ_FAILED (1 << __REQ_FAILED)
-#define REQ_QUIET (1 << __REQ_QUIET)
-#define REQ_SPECIAL (1 << __REQ_SPECIAL)
-#define REQ_DRIVE_CMD (1 << __REQ_DRIVE_CMD)
-#define REQ_DRIVE_TASK (1 << __REQ_DRIVE_TASK)
-#define REQ_DRIVE_TASKFILE (1 << __REQ_DRIVE_TASKFILE)
-#define REQ_PREEMPT (1 << __REQ_PREEMPT)
-#define REQ_PM_SUSPEND (1 << __REQ_PM_SUSPEND)
-#define REQ_PM_RESUME (1 << __REQ_PM_RESUME)
-#define REQ_PM_SHUTDOWN (1 << __REQ_PM_SHUTDOWN)
-#define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR)
-#define REQ_RW_SYNC (1 << __REQ_RW_SYNC)
-
-struct request_pm_state
-{
-
- int pm_step;
-
- u32 pm_state;
- void* data;
-};
-
-#include <linux/elevator.h>
-
-typedef int (merge_request_fn) (request_queue_t *, struct request *,
- struct bio *);
-typedef int (merge_requests_fn) (request_queue_t *, struct request *,
- struct request *);
-typedef void (request_fn_proc) (request_queue_t *q);
-typedef int (make_request_fn) (request_queue_t *q, struct bio *bio);
-typedef int (prep_rq_fn) (request_queue_t *, struct request *);
-typedef void (unplug_fn) (request_queue_t *);
-
-struct bio_vec;
-typedef int (merge_bvec_fn) (request_queue_t *, struct bio *, struct bio_vec *);
-typedef void (activity_fn) (void *data, int rw);
-typedef int (issue_flush_fn) (request_queue_t *, struct gendisk *, sector_t *);
-typedef void (prepare_flush_fn) (request_queue_t *, struct request *);
-typedef void (softirq_done_fn)(struct request *);
-
-enum blk_queue_state {
- Queue_down,
- Queue_up,
-};
-
-struct blk_queue_tag {
- struct request **tag_index;
- unsigned long *tag_map;
- struct list_head busy_list;
- int busy;
- int max_depth;
- int real_max_depth;
- atomic_t refcnt;
-};
-
-struct request_queue
-{
-
- struct list_head queue_head;
- struct request *last_merge;
- elevator_t *elevator;
-
- struct request_list rq;
-
- request_fn_proc *request_fn;
- merge_request_fn *back_merge_fn;
- merge_request_fn *front_merge_fn;
- merge_requests_fn *merge_requests_fn;
- make_request_fn *make_request_fn;
- prep_rq_fn *prep_rq_fn;
- unplug_fn *unplug_fn;
- merge_bvec_fn *merge_bvec_fn;
- activity_fn *activity_fn;
- issue_flush_fn *issue_flush_fn;
- prepare_flush_fn *prepare_flush_fn;
- softirq_done_fn *softirq_done_fn;
-
- sector_t end_sector;
- struct request *boundary_rq;
-
- struct timer_list unplug_timer;
- int unplug_thresh;
- unsigned long unplug_delay;
- struct work_struct unplug_work;
-
- struct backing_dev_info backing_dev_info;
-
- void *queuedata;
-
- void *activity_data;
-
- unsigned long bounce_pfn;
- gfp_t bounce_gfp;
-
- unsigned long queue_flags;
-
- spinlock_t __queue_lock;
- spinlock_t *queue_lock;
-
- struct kobject kobj;
-
- unsigned long nr_requests;
- unsigned int nr_congestion_on;
- unsigned int nr_congestion_off;
- unsigned int nr_batching;
-
- unsigned int max_sectors;
- unsigned int max_hw_sectors;
- unsigned short max_phys_segments;
- unsigned short max_hw_segments;
- unsigned short hardsect_size;
- unsigned int max_segment_size;
-
- unsigned long seg_boundary_mask;
- unsigned int dma_alignment;
-
- struct blk_queue_tag *queue_tags;
-
- unsigned int nr_sorted;
- unsigned int in_flight;
-
- unsigned int sg_timeout;
- unsigned int sg_reserved_size;
- int node;
-
- struct blk_trace *blk_trace;
-
- unsigned int ordered, next_ordered, ordseq;
- int orderr, ordcolor;
- struct request pre_flush_rq, bar_rq, post_flush_rq;
- struct request *orig_bar_rq;
- unsigned int bi_size;
-
- struct mutex sysfs_lock;
-};
-
-#define RQ_INACTIVE (-1)
-#define RQ_ACTIVE 1
-
-#define QUEUE_FLAG_CLUSTER 0  
-#define QUEUE_FLAG_QUEUED 1  
-#define QUEUE_FLAG_STOPPED 2  
-#define QUEUE_FLAG_READFULL 3  
-#define QUEUE_FLAG_WRITEFULL 4  
-#define QUEUE_FLAG_DEAD 5  
-#define QUEUE_FLAG_REENTER 6  
-#define QUEUE_FLAG_PLUGGED 7  
-#define QUEUE_FLAG_ELVSWITCH 8  
-
-enum {
-
- QUEUE_ORDERED_NONE = 0x00,
- QUEUE_ORDERED_DRAIN = 0x01,
- QUEUE_ORDERED_TAG = 0x02,
-
- QUEUE_ORDERED_PREFLUSH = 0x10,
- QUEUE_ORDERED_POSTFLUSH = 0x20,
- QUEUE_ORDERED_FUA = 0x40,
-
- QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN |
- QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
- QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN |
- QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
- QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG |
- QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
- QUEUE_ORDERED_TAG_FUA = QUEUE_ORDERED_TAG |
- QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
-
- QUEUE_ORDSEQ_STARTED = 0x01,
- QUEUE_ORDSEQ_DRAIN = 0x02,
- QUEUE_ORDSEQ_PREFLUSH = 0x04,
- QUEUE_ORDSEQ_BAR = 0x08,
- QUEUE_ORDSEQ_POSTFLUSH = 0x10,
- QUEUE_ORDSEQ_DONE = 0x20,
-};
-
-#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags)
-#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
-#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
-#define blk_queue_flushing(q) ((q)->ordseq)
-
-#define blk_fs_request(rq) ((rq)->flags & REQ_CMD)
-#define blk_pc_request(rq) ((rq)->flags & REQ_BLOCK_PC)
-#define blk_noretry_request(rq) ((rq)->flags & REQ_FAILFAST)
-#define blk_rq_started(rq) ((rq)->flags & REQ_STARTED)
-
-#define blk_account_rq(rq) (blk_rq_started(rq) && blk_fs_request(rq))
-
-#define blk_pm_suspend_request(rq) ((rq)->flags & REQ_PM_SUSPEND)
-#define blk_pm_resume_request(rq) ((rq)->flags & REQ_PM_RESUME)
-#define blk_pm_request(rq)   ((rq)->flags & (REQ_PM_SUSPEND | REQ_PM_RESUME))
-
-#define blk_sorted_rq(rq) ((rq)->flags & REQ_SORTED)
-#define blk_barrier_rq(rq) ((rq)->flags & REQ_HARDBARRIER)
-#define blk_fua_rq(rq) ((rq)->flags & REQ_FUA)
-
-#define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist)
-
-#define rq_data_dir(rq) ((rq)->flags & 1)
-
-#define RQ_NOMERGE_FLAGS   (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER)
-#define rq_mergeable(rq)   (!((rq)->flags & RQ_NOMERGE_FLAGS) && blk_fs_request((rq)))
-#define blk_queue_headactive(q, head_active)
-#define BLKPREP_OK 0  
-#define BLKPREP_KILL 1  
-#define BLKPREP_DEFER 2  
-
-#define BLK_BOUNCE_HIGH ((u64)blk_max_low_pfn << PAGE_SHIFT)
-#define BLK_BOUNCE_ANY ((u64)blk_max_pfn << PAGE_SHIFT)
-#define BLK_BOUNCE_ISA (ISA_DMA_THRESHOLD)
-
-#define rq_for_each_bio(_bio, rq)   if ((rq->bio))   for (_bio = (rq)->bio; _bio; _bio = _bio->bi_next)
-
-#define end_io_error(uptodate) (unlikely((uptodate) <= 0))
-
-#define blk_queue_tag_depth(q) ((q)->queue_tags->busy)
-#define blk_queue_tag_queue(q) ((q)->queue_tags->busy < (q)->queue_tags->max_depth)
-#define blk_rq_tagged(rq) ((rq)->flags & REQ_QUEUED)
-
-#define MAX_PHYS_SEGMENTS 128
-#define MAX_HW_SEGMENTS 128
-#define SAFE_MAX_SECTORS 255
-#define BLK_DEF_MAX_SECTORS 1024
-
-#define MAX_SEGMENT_SIZE 65536
-
-#define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
-
-#define blk_finished_io(nsects) do { } while (0)
-#define blk_started_io(nsects) do { } while (0)
-
-#define sector_div(n, b)(  {   int _res;   _res = (n) % (b);   (n) /= (b);   _res;  }  )
-
-#define MODULE_ALIAS_BLOCKDEV(major,minor)   MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
-#define MODULE_ALIAS_BLOCKDEV_MAJOR(major)   MODULE_ALIAS("block-major-" __stringify(major) "-*")
-
-#endif