diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mmc/card/queue.h')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mmc/card/queue.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/mmc/card/queue.h b/ANDROID_3.4.5/drivers/mmc/card/queue.h new file mode 100644 index 00000000..d2a1eb4b --- /dev/null +++ b/ANDROID_3.4.5/drivers/mmc/card/queue.h @@ -0,0 +1,49 @@ +#ifndef MMC_QUEUE_H +#define MMC_QUEUE_H + +struct request; +struct task_struct; + +struct mmc_blk_request { + struct mmc_request mrq; + struct mmc_command sbc; + struct mmc_command cmd; + struct mmc_command stop; + struct mmc_data data; +}; + +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 mmc_active; +}; + +struct mmc_queue { + struct mmc_card *card; + struct task_struct *thread; + struct semaphore thread_sem; + unsigned int flags; + int (*issue_fn)(struct mmc_queue *, struct request *); + void *data; + struct request_queue *queue; + struct mmc_queue_req mqrq[2]; + struct mmc_queue_req *mqrq_cur; + struct mmc_queue_req *mqrq_prev; +}; + +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 *); + +#endif |