diff options
Diffstat (limited to 'drivers/mmc/mmc_queue.h')
| -rw-r--r-- | drivers/mmc/mmc_queue.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/mmc/mmc_queue.h b/drivers/mmc/mmc_queue.h new file mode 100644 index 00000000000..7182d2f69b4 --- /dev/null +++ b/drivers/mmc/mmc_queue.h @@ -0,0 +1,33 @@ +#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 |