diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index c750a90eb9da..6d6fdeb81af8 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -70,6 +70,7 @@ enum dev_cmd_type { DEV_CMD_TYPE_NOP = 0x0, + DEV_CMD_TYPE_QUERY = 0x1, }; /** @@ -125,6 +126,18 @@ struct ufshcd_lrb { }; /** + * struct ufs_query - holds relevent data structures for query request + * @request: request upiu and function + * @descriptor: buffer for sending/receiving descriptor + * @response: response upiu and response + */ +struct ufs_query { + struct ufs_query_req request; + u8 *descriptor; + struct ufs_query_res response; +}; + +/** * struct ufs_dev_cmd - all assosiated fields with device management commands * @type: device management command type - Query, NOP OUT * @lock: lock to allow one command at a time @@ -136,6 +149,7 @@ struct ufs_dev_cmd { struct mutex lock; struct completion *complete; wait_queue_head_t tag_wq; + struct ufs_query query; }; /** @@ -233,4 +247,10 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba) ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE); } +static inline void check_upiu_size(void) +{ + BUILD_BUG_ON(ALIGNED_UPIU_SIZE < + GENERAL_UPIU_REQUEST_SIZE + QUERY_DESC_MAX_SIZE); +} + #endif /* End of Header */ |