1#ifndef MMC_QUEUE_H
 2#define MMC_QUEUE_H
 3
 4struct request;
 5struct task_struct;
 6
 7struct mmc_blk_request {
 8	struct mmc_request	mrq;
 9	struct mmc_command	sbc;
10	struct mmc_command	cmd;
11	struct mmc_command	stop;
12	struct mmc_data		data;
13};
14
15struct mmc_queue_req {
16	struct request		*req;
17	struct mmc_blk_request	brq;
18	struct scatterlist	*sg;
19	char			*bounce_buf;
20	struct scatterlist	*bounce_sg;
21	unsigned int		bounce_sg_len;
22	struct mmc_async_req	mmc_active;
23};
24
25struct mmc_queue {
26	struct mmc_card		*card;
27	struct task_struct	*thread;
28	struct semaphore	thread_sem;
29	unsigned int		flags;
30	int			(*issue_fn)(struct mmc_queue *, struct request *);
31	void			*data;
32	struct request_queue	*queue;
33	struct mmc_queue_req	mqrq[2];
34	struct mmc_queue_req	*mqrq_cur;
35	struct mmc_queue_req	*mqrq_prev;
36};
37
38extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
39			  const char *);
40extern void mmc_cleanup_queue(struct mmc_queue *);
41extern void mmc_queue_suspend(struct mmc_queue *);
42extern void mmc_queue_resume(struct mmc_queue *);
43
44extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
45				     struct mmc_queue_req *);
46extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
47extern void mmc_queue_bounce_post(struct mmc_queue_req *);
48
49#endif