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 |