diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 9bb691962c47..f76a304e7408 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -50,6 +50,8 @@ cpu_to_be32((byte3 << 24) | (byte2 << 16) |\ (byte1 << 8) | (byte0)) +#define UFS_UPIU_MAX_GENERAL_LUN 8 + /* * UFS Protocol Information Unit related definitions */ @@ -129,10 +131,29 @@ enum desc_idn { QUERY_DESC_IDN_RFU_1 = 0x6, QUERY_DESC_IDN_GEOMETRY = 0x7, QUERY_DESC_IDN_POWER = 0x8, - QUERY_DESC_IDN_RFU_2 = 0x9, + QUERY_DESC_IDN_MAX, +}; + +enum desc_header_offset { + QUERY_DESC_LENGTH_OFFSET = 0x00, + QUERY_DESC_DESC_TYPE_OFFSET = 0x01, +}; + +enum ufs_desc_max_size { + QUERY_DESC_DEVICE_MAX_SIZE = 0x1F, + QUERY_DESC_CONFIGURAION_MAX_SIZE = 0x90, + QUERY_DESC_UNIT_MAX_SIZE = 0x23, + QUERY_DESC_INTERCONNECT_MAX_SIZE = 0x06, + /* + * Max. 126 UNICODE characters (2 bytes per character) plus 2 bytes + * of descriptor header. + */ + QUERY_DESC_STRING_MAX_SIZE = 0xFE, + QUERY_DESC_GEOMETRY_MAZ_SIZE = 0x44, + QUERY_DESC_POWER_MAX_SIZE = 0x62, + QUERY_DESC_RFU_MAX_SIZE = 0x00, }; -#define UNIT_DESC_MAX_SIZE 0x22 /* Unit descriptor parameters offsets in bytes*/ enum unit_desc_param { UNIT_DESC_PARAM_LEN = 0x0, |