| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef MMC_QUEUE_H |
| 2 | #define MMC_QUEUE_H |
| 3 | |
| 4 | struct request; |
| 5 | struct task_struct; |
| 6 | |
| Per Forlin | 97868a2 | 2011-07-09 17:12:36 -0400 | [diff] [blame] | 7 | struct mmc_blk_request { |
| 8 | struct mmc_request mrq; |
| 9 | struct mmc_command sbc; |
| 10 | struct mmc_command cmd; |
| 11 | struct mmc_command stop; |
| 12 | struct mmc_data data; |
| 13 | }; |
| 14 | |
| 15 | struct mmc_queue_req { |
| 16 | struct request *req; |
| 17 | struct mmc_blk_request brq; |
| 18 | struct scatterlist *sg; |
| 19 | char *bounce_buf; |
| 20 | struct scatterlist *bounce_sg; |
| 21 | unsigned int bounce_sg_len; |
| Per Forlin | ee8a43a | 2011-07-01 18:55:33 +0200 | [diff] [blame] | 22 | struct mmc_async_req mmc_active; |
| Per Forlin | 97868a2 | 2011-07-09 17:12:36 -0400 | [diff] [blame] | 23 | }; |
| 24 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | struct mmc_queue { |
| 26 | struct mmc_card *card; |
| Christoph Hellwig | 87598a2 | 2006-11-13 20:23:52 +0100 | [diff] [blame] | 27 | struct task_struct *thread; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | struct semaphore thread_sem; |
| 29 | unsigned int flags; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | int (*issue_fn)(struct mmc_queue *, struct request *); |
| 31 | void *data; |
| 32 | struct request_queue *queue; |
| Per Forlin | 04296b7 | 2011-07-01 18:55:31 +0200 | [diff] [blame] | 33 | struct mmc_queue_req mqrq[2]; |
| Per Forlin | 97868a2 | 2011-07-09 17:12:36 -0400 | [diff] [blame] | 34 | struct mmc_queue_req *mqrq_cur; |
| Per Forlin | 04296b7 | 2011-07-01 18:55:31 +0200 | [diff] [blame] | 35 | struct mmc_queue_req *mqrq_prev; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | }; |
| 37 | |
| Adrian Hunter | d09408a | 2011-06-23 13:40:28 +0300 | [diff] [blame] | 38 | extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, |
| 39 | const char *); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | extern void mmc_cleanup_queue(struct mmc_queue *); |
| 41 | extern void mmc_queue_suspend(struct mmc_queue *); |
| 42 | extern void mmc_queue_resume(struct mmc_queue *); |
| 43 | |
| Per Forlin | 97868a2 | 2011-07-09 17:12:36 -0400 | [diff] [blame] | 44 | extern unsigned int mmc_queue_map_sg(struct mmc_queue *, |
| 45 | struct mmc_queue_req *); |
| 46 | extern void mmc_queue_bounce_pre(struct mmc_queue_req *); |
| 47 | extern void mmc_queue_bounce_post(struct mmc_queue_req *); |
| Pierre Ossman | 98ccf14 | 2007-05-12 00:26:16 +0200 | [diff] [blame] | 48 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #endif |