drivers/mmc/mmc_queue.h

   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