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#ifndef MMC_QUEUE_H
#define MMC_QUEUE_H
#include <linux/types.h>
#include <linux/blkdev.h>
#include <linux/mmc/core.h>
#include <linux/mmc/host.h>
static inline bool mmc_req_is_special(struct request *req)
{
return req &&
(req_op(req) == REQ_OP_FLUSH ||
req_op(req) == REQ_OP_DISCARD ||
req_op(req) == REQ_OP_SECURE_ERASE);
}
struct task_struct;
struct mmc_blk_data;
struct mmc_blk_request {
struct mmc_request mrq;
struct mmc_command sbc;
struct mmc_command cmd;
struct mmc_command stop;
struct mmc_data data;
int retune_retry_done;
};
struct mmc_queue_req {
struct request *req;
struct mmc_blk_request brq;
struct scatterlist *sg;
char *bounce_buf;
struct scatterlist *bounce_sg;
unsigned int bounce_sg_len;
struct mmc_async_req areq;
int task_id;
};
struct mmc_queue {
struct mmc_card *card;
struct task_struct *thread;
struct semaphore thread_sem;
bool suspended;
bool asleep;
struct mmc_blk_data *blkdata;
struct request_queue *queue;
struct mmc_queue_req *mqrq;
int qdepth;
int qcnt;
unsigned long qslots;
};
extern int mmc_queue_alloc_shared_queue(struct mmc_card *card);
extern void mmc_queue_free_shared_queue(struct mmc_card *card);
extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
const char *);
extern void mmc_cleanup_queue(struct mmc_queue *);
extern void mmc_queue_suspend(struct mmc_queue *);
extern void mmc_queue_resume(struct mmc_queue *);
extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
struct mmc_queue_req *);
extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
extern void mmc_queue_bounce_post(struct mmc_queue_req *);
extern int mmc_access_rpmb(struct mmc_queue *);
extern struct mmc_queue_req *mmc_queue_req_find(struct mmc_queue *,
struct request *);
extern void mmc_queue_req_free(struct mmc_queue *, struct mmc_queue_req *);
#endif
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