diff options
Diffstat (limited to 'drivers/mmc/core/queue.h')
| -rw-r--r-- | drivers/mmc/core/queue.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h index 547b457c4251..ce9249852f26 100644 --- a/drivers/mmc/core/queue.h +++ b/drivers/mmc/core/queue.h @@ -8,6 +8,19 @@ #include <linux/mmc/core.h> #include <linux/mmc/host.h> +enum mmc_issued { + MMC_REQ_STARTED, + MMC_REQ_BUSY, + MMC_REQ_FAILED_TO_START, + MMC_REQ_FINISHED, +}; + +enum mmc_issue_type { + MMC_ISSUE_SYNC, + MMC_ISSUE_ASYNC, + MMC_ISSUE_MAX, +}; + static inline struct mmc_queue_req *req_to_mmc_queue_req(struct request *rq) { return blk_mq_rq_to_pdu(rq); @@ -57,12 +70,15 @@ struct mmc_queue_req { int drv_op_result; void *drv_op_data; unsigned int ioc_count; + int retries; }; struct mmc_queue { struct mmc_card *card; struct task_struct *thread; struct semaphore thread_sem; + struct mmc_ctx ctx; + struct blk_mq_tag_set tag_set; bool suspended; bool asleep; struct mmc_blk_data *blkdata; @@ -74,6 +90,14 @@ struct mmc_queue { * associated mmc_queue_req data. */ int qcnt; + + int in_flight[MMC_ISSUE_MAX]; + bool rw_wait; + bool waiting; + wait_queue_head_t wait; + struct request *complete_req; + struct mutex complete_lock; + struct work_struct complete_work; }; extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, @@ -84,4 +108,12 @@ extern void mmc_queue_resume(struct mmc_queue *); extern unsigned int mmc_queue_map_sg(struct mmc_queue *, struct mmc_queue_req *); +enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req); + +static inline int mmc_tot_in_flight(struct mmc_queue *mq) +{ + return mq->in_flight[MMC_ISSUE_SYNC] + + mq->in_flight[MMC_ISSUE_ASYNC]; +} + #endif |