4 #define MMC_REQ_SPECIAL_MASK (REQ_DISCARD | REQ_FLUSH)
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;
17 enum mmc_packed_type {
22 #define mmc_packed_cmd(type) ((type) != MMC_PACKED_NONE)
23 #define mmc_packed_wr(type) ((type) == MMC_PACKED_WRITE)
26 struct list_head list;
34 struct mmc_queue_req {
36 struct mmc_blk_request brq;
37 struct scatterlist *sg;
39 struct scatterlist *bounce_sg;
40 unsigned int bounce_sg_len;
41 struct mmc_async_req mmc_active;
42 enum mmc_packed_type cmd_type;
43 struct mmc_packed *packed;
47 struct mmc_card *card;
48 struct task_struct *thread;
49 struct semaphore thread_sem;
51 #define MMC_QUEUE_SUSPENDED (1 << 0)
52 #define MMC_QUEUE_NEW_REQUEST (1 << 1)
54 int (*issue_fn)(struct mmc_queue *, struct request *);
56 struct request_queue *queue;
57 struct mmc_queue_req mqrq[2];
58 struct mmc_queue_req *mqrq_cur;
59 struct mmc_queue_req *mqrq_prev;
62 extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
64 extern void mmc_cleanup_queue(struct mmc_queue *);
65 extern void mmc_queue_suspend(struct mmc_queue *);
66 extern void mmc_queue_resume(struct mmc_queue *);
68 extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
69 struct mmc_queue_req *);
70 extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
71 extern void mmc_queue_bounce_post(struct mmc_queue_req *);
73 extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
74 extern void mmc_packed_clean(struct mmc_queue *);
76 extern int mmc_access_rpmb(struct mmc_queue *);