ufs: Logical Unit (LU) command queue depth

[deliverable/linux.git] / drivers / scsi / ufs / ufs.h

diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 1545cd7877d0733d4be1e1caeb449845bd7dc63d..fafcf5e354c6d1043ff8c91a678de15c402465b8 100644 (file)
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -132,6 +132,27 @@ enum desc_idn {
        QUERY_DESC_IDN_RFU_2            = 0x9,
 };
 
+#define UNIT_DESC_MAX_SIZE       0x22
+/* Unit descriptor parameters offsets in bytes*/
+enum unit_desc_param {
+       UNIT_DESC_PARAM_LEN                     = 0x0,
+       UNIT_DESC_PARAM_TYPE                    = 0x1,
+       UNIT_DESC_PARAM_UNIT_INDEX              = 0x2,
+       UNIT_DESC_PARAM_LU_ENABLE               = 0x3,
+       UNIT_DESC_PARAM_BOOT_LUN_ID             = 0x4,
+       UNIT_DESC_PARAM_LU_WR_PROTECT           = 0x5,
+       UNIT_DESC_PARAM_LU_Q_DEPTH              = 0x6,
+       UNIT_DESC_PARAM_MEM_TYPE                = 0x8,
+       UNIT_DESC_PARAM_DATA_RELIABILITY        = 0x9,
+       UNIT_DESC_PARAM_LOGICAL_BLK_SIZE        = 0xA,
+       UNIT_DESC_PARAM_LOGICAL_BLK_COUNT       = 0xB,
+       UNIT_DESC_PARAM_ERASE_BLK_SIZE          = 0x13,
+       UNIT_DESC_PARAM_PROVISIONING_TYPE       = 0x17,
+       UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT        = 0x18,
+       UNIT_DESC_PARAM_CTX_CAPABILITIES        = 0x20,
+       UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1      = 0x22,
+};
+
 /* Exception event mask values */
 enum {
        MASK_EE_STATUS          = 0xFFFF,