[deliverable/linux.git] / drivers / mmc / mmc_queue.h

#ifndef MMC_QUEUE_H
#define MMC_QUEUE_H

struct request;
struct task_struct;

struct mmc_queue {
	struct mmc_card		*card;
	struct completion	thread_complete;
	wait_queue_head_t	thread_wq;
	struct semaphore	thread_sem;
	unsigned int		flags;
	struct request		*req;
	int			(*prep_fn)(struct mmc_queue *, struct request *);
	int			(*issue_fn)(struct mmc_queue *, struct request *);
	void			*data;
	struct request_queue	*queue;
	struct scatterlist	*sg;
};

struct mmc_io_request {
	struct request		*rq;
	int			num;
	struct mmc_command	selcmd;		/* mmc_queue private */
	struct mmc_command	cmd[4];		/* max 4 commands */
};

extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
extern void mmc_cleanup_queue(struct mmc_queue *);
extern void mmc_queue_suspend(struct mmc_queue *);
extern void mmc_queue_resume(struct mmc_queue *);

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef MMC_QUEUE_H
	2	#define MMC_QUEUE_H
	3
	4	struct request;
	5	struct task_struct;
	6
	7	struct mmc_queue {
	8	struct mmc_card *card;
	9	struct completion thread_complete;
	10	wait_queue_head_t thread_wq;
	11	struct semaphore thread_sem;
	12	unsigned int flags;
	13	struct request *req;
	14	int (prep_fn)(struct mmc_queue , struct request *);
	15	int (issue_fn)(struct mmc_queue , struct request *);
	16	void *data;
	17	struct request_queue *queue;
	18	struct scatterlist *sg;
	19	};
	20
	21	struct mmc_io_request {
	22	struct request *rq;
	23	int num;
	24	struct mmc_command selcmd; /* mmc_queue private */
	25	struct mmc_command cmd[4]; /* max 4 commands */
	26	};
	27
	28	extern int mmc_init_queue(struct mmc_queue , struct mmc_card , spinlock_t *);
	29	extern void mmc_cleanup_queue(struct mmc_queue *);
	30	extern void mmc_queue_suspend(struct mmc_queue *);
	31	extern void mmc_queue_resume(struct mmc_queue *);
	32
	33	#endif