drivers/mmc/card/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 task_struct      *thread;
  10         struct semaphore        thread_sem;
  11         unsigned int            flags;
  12         struct request          *req;
  13         int                     (*issue_fn)(struct mmc_queue *, struct request *);
  14         void                    *data;
  15         struct request_queue    *queue;
  16         struct scatterlist      *sg;
  17         char                    *bounce_buf;
  18         struct scatterlist      *bounce_sg;
  19         unsigned int            bounce_sg_len;
  20 };
  21
  22 extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
  23 extern void mmc_cleanup_queue(struct mmc_queue *);
  24 extern void mmc_queue_suspend(struct mmc_queue *);
  25 extern void mmc_queue_resume(struct mmc_queue *);
  26
  27 extern unsigned int mmc_queue_map_sg(struct mmc_queue *);
  28 extern void mmc_queue_bounce_pre(struct mmc_queue *);
  29 extern void mmc_queue_bounce_post(struct mmc_queue *);
  30
  31 #endif