projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef MMC_QUEUE_H |
| 2 | #define MMC_QUEUE_H | |
| 3 | ||
| ef3a69c7 SJ |
4 | #define MMC_REQ_SPECIAL_MASK (REQ_DISCARD | REQ_FLUSH) |
| 5 | ||
| 1da177e4 LT |
6 | struct request; |
| 7 | struct task_struct; | |
| 8 | ||
| 97868a2b PF |
9 | struct mmc_blk_request { |
| 10 | struct mmc_request mrq; | |
| 11 | struct mmc_command sbc; | |
| 12 | struct mmc_command cmd; | |
| 13 | struct mmc_command stop; | |
| 14 | struct mmc_data data; | |
| b8360a49 | 15 | int retune_retry_done; |
| 97868a2b PF |
16 | }; |
| 17 | ||
| ce39f9d1 SJ |
18 | enum mmc_packed_type { |
| 19 | MMC_PACKED_NONE = 0, | |
| 20 | MMC_PACKED_WRITE, | |
| 21 | }; | |
| 22 | ||
| 23 | #define mmc_packed_cmd(type) ((type) != MMC_PACKED_NONE) | |
| 24 | #define mmc_packed_wr(type) ((type) == MMC_PACKED_WRITE) | |
| 25 | ||
| 26 | struct mmc_packed { | |
| 27 | struct list_head list; | |
| 28 | u32 cmd_hdr[1024]; | |
| 29 | unsigned int blocks; | |
| 30 | u8 nr_entries; | |
| 31 | u8 retries; | |
| 32 | s16 idx_failure; | |
| 33 | }; | |
| 34 | ||
| 97868a2b PF |
35 | struct mmc_queue_req { |
| 36 | struct request *req; | |
| 37 | struct mmc_blk_request brq; | |
| 38 | struct scatterlist *sg; | |
| 39 | char *bounce_buf; | |
| 40 | struct scatterlist *bounce_sg; | |
| 41 | unsigned int bounce_sg_len; | |
| ee8a43a5 | 42 | struct mmc_async_req mmc_active; |
| ce39f9d1 SJ |
43 | enum mmc_packed_type cmd_type; |
| 44 | struct mmc_packed *packed; | |
| 97868a2b PF |
45 | }; |
| 46 | ||
| 1da177e4 LT |
47 | struct mmc_queue { |
| 48 | struct mmc_card *card; | |
| 87598a2b | 49 | struct task_struct *thread; |
| 1da177e4 LT |
50 | struct semaphore thread_sem; |
| 51 | unsigned int flags; | |
| 2220eedf KD |
52 | #define MMC_QUEUE_SUSPENDED (1 << 0) |
| 53 | #define MMC_QUEUE_NEW_REQUEST (1 << 1) | |
| 54 | ||
| 1da177e4 LT |
55 | int (*issue_fn)(struct mmc_queue *, struct request *); |
| 56 | void *data; | |
| 57 | struct request_queue *queue; | |
| 04296b7b | 58 | struct mmc_queue_req mqrq[2]; |
| 97868a2b | 59 | struct mmc_queue_req *mqrq_cur; |
| 04296b7b | 60 | struct mmc_queue_req *mqrq_prev; |
| 1da177e4 LT |
61 | }; |
| 62 | ||
| d09408ad AH |
63 | extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, |
| 64 | const char *); | |
| 1da177e4 LT |
65 | extern void mmc_cleanup_queue(struct mmc_queue *); |
| 66 | extern void mmc_queue_suspend(struct mmc_queue *); | |
| 67 | extern void mmc_queue_resume(struct mmc_queue *); | |
| 68 | ||
| 97868a2b PF |
69 | extern unsigned int mmc_queue_map_sg(struct mmc_queue *, |
| 70 | struct mmc_queue_req *); | |
| 71 | extern void mmc_queue_bounce_pre(struct mmc_queue_req *); | |
| 72 | extern void mmc_queue_bounce_post(struct mmc_queue_req *); | |
| 98ccf149 | 73 | |
| ce39f9d1 SJ |
74 | extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *); |
| 75 | extern void mmc_packed_clean(struct mmc_queue *); | |
| 76 | ||
| 4e93b9a6 CD |
77 | extern int mmc_access_rpmb(struct mmc_queue *); |
| 78 | ||
| 1da177e4 | 79 | #endif |