diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 2dad9dada86a..f4cb31b23728 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -1003,4 +1003,19 @@ static inline void ufshcd_vops_dbg_register_dump(struct ufs_hba *hba) extern struct ufs_pm_lvl_states ufs_pm_lvl_states[]; +/* + * ufshcd_scsi_to_upiu_lun - maps scsi LUN to UPIU LUN + * @scsi_lun: scsi LUN id + * + * Returns UPIU LUN id + */ +static inline u8 ufshcd_scsi_to_upiu_lun(unsigned int scsi_lun) +{ + if (scsi_is_wlun(scsi_lun)) + return (scsi_lun & UFS_UPIU_MAX_UNIT_NUM_ID) + | UFS_UPIU_WLUN_ID; + else + return scsi_lun & UFS_UPIU_MAX_UNIT_NUM_ID; +} + #endif /* End of Header */ |