projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef MMC_QUEUE_H |
| 2 | #define MMC_QUEUE_H | |
| 3 | ||
| c2df40df MC |
4 | static inline bool mmc_req_is_special(struct request *req) |
| 5 | { | |
| 3a5e02ce MC |
6 | return req && |
| 7 | (req_op(req) == REQ_OP_FLUSH || req_op(req) == REQ_OP_DISCARD); | |
| c2df40df | 8 | } |
| ef3a69c7 | 9 | |
| 1da177e4 LT |
10 | struct request; |
| 11 | struct task_struct; | |
| 12 | ||
| 97868a2b PF |
13 | struct mmc_blk_request { |
| 14 | struct mmc_request mrq; | |
| 15 | struct mmc_command sbc; | |
| 16 | struct mmc_command cmd; | |
| 17 | struct mmc_command stop; | |
| 18 | struct mmc_data data; | |
| b8360a49 | 19 | int retune_retry_done; |
| 97868a2b PF |
20 | }; |
| 21 | ||
| ce39f9d1 SJ |
22 | enum mmc_packed_type { |
| 23 | MMC_PACKED_NONE = 0, | |
| 24 | MMC_PACKED_WRITE, | |
| 25 | }; | |
| 26 | ||
| 27 | #define mmc_packed_cmd(type) ((type) != MMC_PACKED_NONE) | |
| 28 | #define mmc_packed_wr(type) ((type) == MMC_PACKED_WRITE) | |
| 29 | ||
| 30 | struct mmc_packed { | |
| 31 | struct list_head list; | |
| 32 | u32 cmd_hdr[1024]; | |
| 33 | unsigned int blocks; | |
| 34 | u8 nr_entries; | |
| 35 | u8 retries; | |
| 36 | s16 idx_failure; | |
| 37 | }; | |
| 38 | ||
| 97868a2b PF |
39 | struct mmc_queue_req { |
| 40 | struct request *req; | |
| 41 | struct mmc_blk_request brq; | |
| 42 | struct scatterlist *sg; | |
| 43 | char *bounce_buf; | |
| 44 | struct scatterlist *bounce_sg; | |
| 45 | unsigned int bounce_sg_len; | |
| ee8a43a5 | 46 | struct mmc_async_req mmc_active; |
| ce39f9d1 SJ |
47 | enum mmc_packed_type cmd_type; |
| 48 | struct mmc_packed *packed; | |
| 97868a2b PF |
49 | }; |
| 50 | ||
| 1da177e4 LT |
51 | struct mmc_queue { |
| 52 | struct mmc_card *card; | |
| 87598a2b | 53 | struct task_struct *thread; |
| 1da177e4 LT |
54 | struct semaphore thread_sem; |
| 55 | unsigned int flags; | |
| 2220eedf KD |
56 | #define MMC_QUEUE_SUSPENDED (1 << 0) |
| 57 | #define MMC_QUEUE_NEW_REQUEST (1 << 1) | |
| 58 | ||
| 1da177e4 LT |
59 | int (*issue_fn)(struct mmc_queue *, struct request *); |
| 60 | void *data; | |
| 61 | struct request_queue *queue; | |
| 04296b7b | 62 | struct mmc_queue_req mqrq[2]; |
| 97868a2b | 63 | struct mmc_queue_req *mqrq_cur; |
| 04296b7b | 64 | struct mmc_queue_req *mqrq_prev; |
| 1da177e4 LT |
65 | }; |
| 66 | ||
| d09408ad AH |
67 | extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, |
| 68 | const char *); | |
| 1da177e4 LT |
69 | extern void mmc_cleanup_queue(struct mmc_queue *); |
| 70 | extern void mmc_queue_suspend(struct mmc_queue *); | |
| 71 | extern void mmc_queue_resume(struct mmc_queue *); | |
| 72 | ||
| 97868a2b PF |
73 | extern unsigned int mmc_queue_map_sg(struct mmc_queue *, |
| 74 | struct mmc_queue_req *); | |
| 75 | extern void mmc_queue_bounce_pre(struct mmc_queue_req *); | |
| 76 | extern void mmc_queue_bounce_post(struct mmc_queue_req *); | |
| 98ccf149 | 77 | |
| ce39f9d1 SJ |
78 | extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *); |
| 79 | extern void mmc_packed_clean(struct mmc_queue *); | |
| 80 | ||
| 4e93b9a6 CD |
81 | extern int mmc_access_rpmb(struct mmc_queue *); |
| 82 | ||
| 1da177e4 | 83 | #endif |