1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_BLKDEV_H 20 #define _LINUX_BLKDEV_H 21 #include <linux/major.h> 22 #include <linux/genhd.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #include <linux/list.h> 25 #include <linux/timer.h> 26 #include <linux/workqueue.h> 27 #include <linux/pagemap.h> 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #include <linux/backing-dev.h> 30 #include <linux/wait.h> 31 #include <linux/mempool.h> 32 #include <linux/bio.h> 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #include <linux/module.h> 35 #include <linux/stringify.h> 36 #include <asm/scatterlist.h> 37 struct scsi_ioctl_command; 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 struct request_queue; 40 typedef struct request_queue request_queue_t; 41 struct elevator_queue; 42 typedef struct elevator_queue elevator_t; 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 struct request_pm_state; 45 struct blk_trace; 46 #define BLKDEV_MIN_RQ 4 47 #define BLKDEV_MAX_RQ 128 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 struct as_io_context { 50 spinlock_t lock; 51 void (*dtor)(struct as_io_context *aic); 52 void (*exit)(struct as_io_context *aic); 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 unsigned long state; 55 atomic_t nr_queued; 56 atomic_t nr_dispatched; 57 unsigned long last_end_request; 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 unsigned long ttime_total; 60 unsigned long ttime_samples; 61 unsigned long ttime_mean; 62 unsigned int seek_samples; 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 sector_t last_request_pos; 65 u64 seek_total; 66 sector_t seek_mean; 67 }; 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 struct cfq_queue; 70 struct cfq_io_context { 71 struct rb_node rb_node; 72 void *key; 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 struct cfq_queue *cfqq[2]; 75 struct io_context *ioc; 76 unsigned long last_end_request; 77 sector_t last_request_pos; 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 unsigned long last_queue; 80 unsigned long ttime_total; 81 unsigned long ttime_samples; 82 unsigned long ttime_mean; 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 unsigned int seek_samples; 85 u64 seek_total; 86 sector_t seek_mean; 87 struct list_head queue_list; 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 void (*dtor)(struct io_context *); 90 void (*exit)(struct io_context *); 91 }; 92 struct io_context { 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 atomic_t refcount; 95 struct task_struct *task; 96 int (*set_ioprio)(struct io_context *, unsigned int); 97 unsigned long last_waited; 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 int nr_batch_requests; 100 struct as_io_context *aic; 101 struct rb_root cic_root; 102 }; 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 struct io_context *current_io_context(gfp_t gfp_flags); 105 struct io_context *get_io_context(gfp_t gfp_flags); 106 struct request; 107 typedef void (rq_end_io_fn)(struct request *, int); 108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109 struct request_list { 110 int count[2]; 111 int starved[2]; 112 int elvpriv; 113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114 mempool_t *rq_pool; 115 wait_queue_head_t wait[2]; 116 }; 117 #define BLK_MAX_CDB 16 118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119 struct request { 120 struct list_head queuelist; 121 struct list_head donelist; 122 unsigned long flags; 123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124 sector_t sector; 125 unsigned long nr_sectors; 126 unsigned int current_nr_sectors; 127 sector_t hard_sector; 128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129 unsigned long hard_nr_sectors; 130 unsigned int hard_cur_sectors; 131 struct bio *bio; 132 struct bio *biotail; 133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134 void *elevator_private; 135 void *completion_data; 136 int rq_status; 137 int errors; 138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139 struct gendisk *rq_disk; 140 unsigned long start_time; 141 unsigned short nr_phys_segments; 142 unsigned short nr_hw_segments; 143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144 unsigned short ioprio; 145 int tag; 146 int ref_count; 147 request_queue_t *q; 148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149 struct request_list *rl; 150 struct completion *waiting; 151 void *special; 152 char *buffer; 153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154 unsigned int cmd_len; 155 unsigned char cmd[BLK_MAX_CDB]; 156 unsigned int data_len; 157 unsigned int sense_len; 158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159 void *data; 160 void *sense; 161 unsigned int timeout; 162 int retries; 163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164 rq_end_io_fn *end_io; 165 void *end_io_data; 166 }; 167 enum rq_flag_bits { 168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169 __REQ_RW, 170 __REQ_FAILFAST, 171 __REQ_SORTED, 172 __REQ_SOFTBARRIER, 173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174 __REQ_HARDBARRIER, 175 __REQ_FUA, 176 __REQ_CMD, 177 __REQ_NOMERGE, 178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179 __REQ_STARTED, 180 __REQ_DONTPREP, 181 __REQ_QUEUED, 182 __REQ_ELVPRIV, 183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184 __REQ_PC, 185 __REQ_BLOCK_PC, 186 __REQ_SENSE, 187 __REQ_FAILED, 188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189 __REQ_QUIET, 190 __REQ_SPECIAL, 191 __REQ_DRIVE_CMD, 192 __REQ_DRIVE_TASK, 193 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 194 __REQ_DRIVE_TASKFILE, 195 __REQ_PREEMPT, 196 __REQ_PM_SUSPEND, 197 __REQ_PM_RESUME, 198 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 199 __REQ_PM_SHUTDOWN, 200 __REQ_ORDERED_COLOR, 201 __REQ_RW_SYNC, 202 __REQ_NR_BITS, 203 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 204 }; 205 #define REQ_RW (1 << __REQ_RW) 206 #define REQ_FAILFAST (1 << __REQ_FAILFAST) 207 #define REQ_SORTED (1 << __REQ_SORTED) 208 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 209 #define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER) 210 #define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) 211 #define REQ_FUA (1 << __REQ_FUA) 212 #define REQ_CMD (1 << __REQ_CMD) 213 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 214 #define REQ_NOMERGE (1 << __REQ_NOMERGE) 215 #define REQ_STARTED (1 << __REQ_STARTED) 216 #define REQ_DONTPREP (1 << __REQ_DONTPREP) 217 #define REQ_QUEUED (1 << __REQ_QUEUED) 218 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 219 #define REQ_ELVPRIV (1 << __REQ_ELVPRIV) 220 #define REQ_PC (1 << __REQ_PC) 221 #define REQ_BLOCK_PC (1 << __REQ_BLOCK_PC) 222 #define REQ_SENSE (1 << __REQ_SENSE) 223 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 224 #define REQ_FAILED (1 << __REQ_FAILED) 225 #define REQ_QUIET (1 << __REQ_QUIET) 226 #define REQ_SPECIAL (1 << __REQ_SPECIAL) 227 #define REQ_DRIVE_CMD (1 << __REQ_DRIVE_CMD) 228 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 229 #define REQ_DRIVE_TASK (1 << __REQ_DRIVE_TASK) 230 #define REQ_DRIVE_TASKFILE (1 << __REQ_DRIVE_TASKFILE) 231 #define REQ_PREEMPT (1 << __REQ_PREEMPT) 232 #define REQ_PM_SUSPEND (1 << __REQ_PM_SUSPEND) 233 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 234 #define REQ_PM_RESUME (1 << __REQ_PM_RESUME) 235 #define REQ_PM_SHUTDOWN (1 << __REQ_PM_SHUTDOWN) 236 #define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR) 237 #define REQ_RW_SYNC (1 << __REQ_RW_SYNC) 238 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 239 struct request_pm_state 240 { 241 int pm_step; 242 u32 pm_state; 243 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 244 void* data; 245 }; 246 #include <linux/elevator.h> 247 typedef int (merge_request_fn) (request_queue_t *, struct request *, 248 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 249 struct bio *); 250 typedef int (merge_requests_fn) (request_queue_t *, struct request *, 251 struct request *); 252 typedef void (request_fn_proc) (request_queue_t *q); 253 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 254 typedef int (make_request_fn) (request_queue_t *q, struct bio *bio); 255 typedef int (prep_rq_fn) (request_queue_t *, struct request *); 256 typedef void (unplug_fn) (request_queue_t *); 257 struct bio_vec; 258 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 259 typedef int (merge_bvec_fn) (request_queue_t *, struct bio *, struct bio_vec *); 260 typedef void (activity_fn) (void *data, int rw); 261 typedef int (issue_flush_fn) (request_queue_t *, struct gendisk *, sector_t *); 262 typedef void (prepare_flush_fn) (request_queue_t *, struct request *); 263 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 264 typedef void (softirq_done_fn)(struct request *); 265 enum blk_queue_state { 266 Queue_down, 267 Queue_up, 268 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 269 }; 270 struct blk_queue_tag { 271 struct request **tag_index; 272 unsigned long *tag_map; 273 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 274 struct list_head busy_list; 275 int busy; 276 int max_depth; 277 int real_max_depth; 278 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 279 atomic_t refcnt; 280 }; 281 struct request_queue 282 { 283 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 284 struct list_head queue_head; 285 struct request *last_merge; 286 elevator_t *elevator; 287 struct request_list rq; 288 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 289 request_fn_proc *request_fn; 290 merge_request_fn *back_merge_fn; 291 merge_request_fn *front_merge_fn; 292 merge_requests_fn *merge_requests_fn; 293 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 294 make_request_fn *make_request_fn; 295 prep_rq_fn *prep_rq_fn; 296 unplug_fn *unplug_fn; 297 merge_bvec_fn *merge_bvec_fn; 298 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 299 activity_fn *activity_fn; 300 issue_flush_fn *issue_flush_fn; 301 prepare_flush_fn *prepare_flush_fn; 302 softirq_done_fn *softirq_done_fn; 303 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 304 sector_t end_sector; 305 struct request *boundary_rq; 306 struct timer_list unplug_timer; 307 int unplug_thresh; 308 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 309 unsigned long unplug_delay; 310 struct work_struct unplug_work; 311 struct backing_dev_info backing_dev_info; 312 void *queuedata; 313 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 314 void *activity_data; 315 unsigned long bounce_pfn; 316 gfp_t bounce_gfp; 317 unsigned long queue_flags; 318 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 319 spinlock_t __queue_lock; 320 spinlock_t *queue_lock; 321 struct kobject kobj; 322 unsigned long nr_requests; 323 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 324 unsigned int nr_congestion_on; 325 unsigned int nr_congestion_off; 326 unsigned int nr_batching; 327 unsigned int max_sectors; 328 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 329 unsigned int max_hw_sectors; 330 unsigned short max_phys_segments; 331 unsigned short max_hw_segments; 332 unsigned short hardsect_size; 333 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 334 unsigned int max_segment_size; 335 unsigned long seg_boundary_mask; 336 unsigned int dma_alignment; 337 struct blk_queue_tag *queue_tags; 338 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 339 unsigned int nr_sorted; 340 unsigned int in_flight; 341 unsigned int sg_timeout; 342 unsigned int sg_reserved_size; 343 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 344 int node; 345 struct blk_trace *blk_trace; 346 unsigned int ordered, next_ordered, ordseq; 347 int orderr, ordcolor; 348 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 349 struct request pre_flush_rq, bar_rq, post_flush_rq; 350 struct request *orig_bar_rq; 351 unsigned int bi_size; 352 struct mutex sysfs_lock; 353 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 354 }; 355 #define RQ_INACTIVE (-1) 356 #define RQ_ACTIVE 1 357 #define QUEUE_FLAG_CLUSTER 0 358 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 359 #define QUEUE_FLAG_QUEUED 1 360 #define QUEUE_FLAG_STOPPED 2 361 #define QUEUE_FLAG_READFULL 3 362 #define QUEUE_FLAG_WRITEFULL 4 363 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 364 #define QUEUE_FLAG_DEAD 5 365 #define QUEUE_FLAG_REENTER 6 366 #define QUEUE_FLAG_PLUGGED 7 367 #define QUEUE_FLAG_ELVSWITCH 8 368 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 369 enum { 370 QUEUE_ORDERED_NONE = 0x00, 371 QUEUE_ORDERED_DRAIN = 0x01, 372 QUEUE_ORDERED_TAG = 0x02, 373 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 374 QUEUE_ORDERED_PREFLUSH = 0x10, 375 QUEUE_ORDERED_POSTFLUSH = 0x20, 376 QUEUE_ORDERED_FUA = 0x40, 377 QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN | 378 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 379 QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH, 380 QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN | 381 QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA, 382 QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG | 383 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 384 QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH, 385 QUEUE_ORDERED_TAG_FUA = QUEUE_ORDERED_TAG | 386 QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA, 387 QUEUE_ORDSEQ_STARTED = 0x01, 388 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 389 QUEUE_ORDSEQ_DRAIN = 0x02, 390 QUEUE_ORDSEQ_PREFLUSH = 0x04, 391 QUEUE_ORDSEQ_BAR = 0x08, 392 QUEUE_ORDSEQ_POSTFLUSH = 0x10, 393 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 394 QUEUE_ORDSEQ_DONE = 0x20, 395 }; 396 #define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags) 397 #define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags) 398 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 399 #define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) 400 #define blk_queue_flushing(q) ((q)->ordseq) 401 #define blk_fs_request(rq) ((rq)->flags & REQ_CMD) 402 #define blk_pc_request(rq) ((rq)->flags & REQ_BLOCK_PC) 403 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 404 #define blk_noretry_request(rq) ((rq)->flags & REQ_FAILFAST) 405 #define blk_rq_started(rq) ((rq)->flags & REQ_STARTED) 406 #define blk_account_rq(rq) (blk_rq_started(rq) && blk_fs_request(rq)) 407 #define blk_pm_suspend_request(rq) ((rq)->flags & REQ_PM_SUSPEND) 408 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 409 #define blk_pm_resume_request(rq) ((rq)->flags & REQ_PM_RESUME) 410 #define blk_pm_request(rq) ((rq)->flags & (REQ_PM_SUSPEND | REQ_PM_RESUME)) 411 #define blk_sorted_rq(rq) ((rq)->flags & REQ_SORTED) 412 #define blk_barrier_rq(rq) ((rq)->flags & REQ_HARDBARRIER) 413 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 414 #define blk_fua_rq(rq) ((rq)->flags & REQ_FUA) 415 #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) 416 #define rq_data_dir(rq) ((rq)->flags & 1) 417 #define RQ_NOMERGE_FLAGS (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER) 418 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 419 #define rq_mergeable(rq) (!((rq)->flags & RQ_NOMERGE_FLAGS) && blk_fs_request((rq))) 420 #define blk_queue_headactive(q, head_active) 421 #define BLKPREP_OK 0 422 #define BLKPREP_KILL 1 423 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 424 #define BLKPREP_DEFER 2 425 #define BLK_BOUNCE_HIGH ((u64)blk_max_low_pfn << PAGE_SHIFT) 426 #define BLK_BOUNCE_ANY ((u64)blk_max_pfn << PAGE_SHIFT) 427 #define BLK_BOUNCE_ISA (ISA_DMA_THRESHOLD) 428 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 429 #define rq_for_each_bio(_bio, rq) if ((rq->bio)) for (_bio = (rq)->bio; _bio; _bio = _bio->bi_next) 430 struct sec_size { 431 unsigned block_size; 432 unsigned block_size_bits; 433 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 434 }; 435 #define end_io_error(uptodate) (unlikely((uptodate) <= 0)) 436 #define blk_queue_tag_depth(q) ((q)->queue_tags->busy) 437 #define blk_queue_tag_queue(q) ((q)->queue_tags->busy < (q)->queue_tags->max_depth) 438 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 439 #define blk_rq_tagged(rq) ((rq)->flags & REQ_QUEUED) 440 #define MAX_PHYS_SEGMENTS 128 441 #define MAX_HW_SEGMENTS 128 442 #define SAFE_MAX_SECTORS 255 443 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 444 #define BLK_DEF_MAX_SECTORS 1024 445 #define MAX_SEGMENT_SIZE 65536 446 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist) 447 #define blk_finished_io(nsects) do { } while (0) 448 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 449 #define blk_started_io(nsects) do { } while (0) 450 typedef struct {struct page *v;} Sector; 451 struct work_struct; 452 #define sector_div(n, b)( { int _res; _res = (n) % (b); (n) /= (b); _res; } ) 453 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 454 #define MODULE_ALIAS_BLOCKDEV(major,minor) MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor)) 455 #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) MODULE_ALIAS("block-major-" __stringify(major) "-*") 456 #endif 457
