1#ifndef MMC_QUEUE_H
 2#define MMC_QUEUE_H
 3
 4static inline bool mmc_req_is_special(struct request *req)
 5{
 6	return req &&
 7		(req_op(req) == REQ_OP_FLUSH ||
 8		 req_op(req) == REQ_OP_DISCARD ||
 9		 req_op(req) == REQ_OP_SECURE_ERASE);
10}
11
12struct request;
13struct task_struct;
14struct mmc_blk_data;
15
16struct mmc_blk_request {
17	struct mmc_request	mrq;
18	struct mmc_command	sbc;
19	struct mmc_command	cmd;
20	struct mmc_command	stop;
21	struct mmc_data		data;
22	int			retune_retry_done;
23};
24
25struct mmc_queue_req {
26	struct request		*req;
27	struct mmc_blk_request	brq;
28	struct scatterlist	*sg;
29	char			*bounce_buf;
30	struct scatterlist	*bounce_sg;
31	unsigned int		bounce_sg_len;
32	struct mmc_async_req	mmc_active;
33};
34
35struct mmc_queue {
36	struct mmc_card		*card;
37	struct task_struct	*thread;
38	struct semaphore	thread_sem;
39	unsigned int		flags;
40#define MMC_QUEUE_SUSPENDED	(1 << 0)
41#define MMC_QUEUE_NEW_REQUEST	(1 << 1)
42	bool			asleep;
43	struct mmc_blk_data	*blkdata;
44	struct request_queue	*queue;
45	struct mmc_queue_req	*mqrq;
46	struct mmc_queue_req	*mqrq_cur;
47	struct mmc_queue_req	*mqrq_prev;
48	int			qdepth;
49};
50
51extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
52			  const char *);
53extern void mmc_cleanup_queue(struct mmc_queue *);
54extern void mmc_queue_suspend(struct mmc_queue *);
55extern void mmc_queue_resume(struct mmc_queue *);
56
57extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
58				     struct mmc_queue_req *);
59extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
60extern void mmc_queue_bounce_post(struct mmc_queue_req *);
61
62extern int mmc_access_rpmb(struct mmc_queue *);
63
64#endif