diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index daac5053b850..b3135344ab3f 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -64,6 +64,9 @@ #define UFS_MAX_LUNS (SCSI_W_LUN_BASE + UFS_UPIU_MAX_UNIT_NUM_ID) #define UFS_UPIU_WLUN_ID (1 << 7) +/* WriteBooster buffer is available only for the logical unit from 0 to 7 */ +#define UFS_UPIU_MAX_WB_LUN_ID 8 + /* Well known logical unit id in LUN field of UPIU */ enum { UFS_UPIU_REPORT_LUNS_WLUN = 0x81, @@ -330,6 +333,12 @@ enum health_desc_param { HEALTH_DESC_PARAM_LIFE_TIME_EST_B = 0x4, }; +/* WriteBooster buffer mode */ +enum { + WB_BUF_MODE_LU_DEDICATED = 0x0, + WB_BUF_MODE_SHARED = 0x1, +}; + /* * Logical Unit Write Protect * 00h: LU not write protected @@ -559,6 +568,7 @@ struct ufs_dev_info { bool is_lu_power_on_wp; /* Maximum number of general LU supported by the UFS device */ u8 max_lu_supported; + u8 wb_dedicated_lu; u16 wmanufacturerid; /*UFS device Product Name */ u8 *model; |