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Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
-rw-r--r--drivers/scsi/ufs/ufs.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index f42d1cee652..1545cd7877d 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -41,7 +41,8 @@
#define MAX_CDB_SIZE 16
#define GENERAL_UPIU_REQUEST_SIZE 32
-#define QUERY_DESC_MAX_SIZE 256
+#define QUERY_DESC_MAX_SIZE 255
+#define QUERY_DESC_MIN_SIZE 2
#define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \
(sizeof(struct utp_upiu_header)))
@@ -117,6 +118,20 @@ enum attr_idn {
QUERY_ATTR_IDN_EE_STATUS = 0x0E,
};
+/* Descriptor idn for Query requests */
+enum desc_idn {
+ QUERY_DESC_IDN_DEVICE = 0x0,
+ QUERY_DESC_IDN_CONFIGURAION = 0x1,
+ QUERY_DESC_IDN_UNIT = 0x2,
+ QUERY_DESC_IDN_RFU_0 = 0x3,
+ QUERY_DESC_IDN_INTERCONNECT = 0x4,
+ QUERY_DESC_IDN_STRING = 0x5,
+ QUERY_DESC_IDN_RFU_1 = 0x6,
+ QUERY_DESC_IDN_GEOMETRY = 0x7,
+ QUERY_DESC_IDN_POWER = 0x8,
+ QUERY_DESC_IDN_RFU_2 = 0x9,
+};
+
/* Exception event mask values */
enum {
MASK_EE_STATUS = 0xFFFF,