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-rw-r--r--include/scsi/iscsi_proto.h45
1 files changed, 33 insertions, 12 deletions
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index 6c08551c79f..8d319048044 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -56,7 +56,8 @@ struct iscsi_hdr {
__be32 ttt; /* Target Task Tag */
__be32 statsn;
__be32 exp_statsn;
- uint8_t other[16];
+ __be32 max_statsn;
+ uint8_t other[12];
};
/************************* RFC 3720 Begin *****************************/
@@ -78,6 +79,11 @@ struct iscsi_hdr {
#define ISCSI_OP_LOGOUT 0x06
#define ISCSI_OP_SNACK 0x10
+#define ISCSI_OP_VENDOR1_CMD 0x1c
+#define ISCSI_OP_VENDOR2_CMD 0x1d
+#define ISCSI_OP_VENDOR3_CMD 0x1e
+#define ISCSI_OP_VENDOR4_CMD 0x1f
+
/* Target Opcode values */
#define ISCSI_OP_NOOP_IN 0x20
#define ISCSI_OP_SCSI_CMD_RSP 0x21
@@ -90,12 +96,20 @@ struct iscsi_hdr {
#define ISCSI_OP_ASYNC_EVENT 0x32
#define ISCSI_OP_REJECT 0x3f
+struct iscsi_ahs_hdr {
+ __be16 ahslength;
+ uint8_t ahstype;
+ uint8_t ahspec[5];
+};
+
+#define ISCSI_AHSTYPE_CDB 1
+#define ISCSI_AHSTYPE_RLENGTH 2
+
/* iSCSI PDU Header */
struct iscsi_cmd {
uint8_t opcode;
uint8_t flags;
- uint8_t rsvd2;
- uint8_t cmdrn;
+ __be16 rsvd2;
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
@@ -120,6 +134,13 @@ struct iscsi_cmd {
#define ISCSI_ATTR_HEAD_OF_QUEUE 3
#define ISCSI_ATTR_ACA 4
+struct iscsi_rlength_ahdr {
+ __be16 ahslength;
+ uint8_t ahstype;
+ uint8_t reserved;
+ __be32 read_length;
+};
+
/* SCSI Response Header */
struct iscsi_cmd_rsp {
uint8_t opcode;
@@ -227,7 +248,7 @@ struct iscsi_tm {
uint8_t rsvd2[8];
};
-#define ISCSI_FLAG_TASK_MGMT_FUNCTION_MASK 0x7F
+#define ISCSI_FLAG_TM_FUNC_MASK 0x7F
/* Function values */
#define ISCSI_TM_FUNC_ABORT_TASK 1
@@ -257,14 +278,14 @@ struct iscsi_tm_rsp {
};
/* Response values */
-#define SCSI_TCP_TM_RESP_COMPLETE 0x00
-#define SCSI_TCP_TM_RESP_NO_TASK 0x01
-#define SCSI_TCP_TM_RESP_NO_LUN 0x02
-#define SCSI_TCP_TM_RESP_TASK_ALLEGIANT 0x03
-#define SCSI_TCP_TM_RESP_NO_FAILOVER 0x04
-#define SCSI_TCP_TM_RESP_NOT_SUPPORTED 0x05
-#define SCSI_TCP_TM_RESP_AUTH_FAILED 0x06
-#define SCSI_TCP_TM_RESP_REJECTED 0xff
+#define ISCSI_TMF_RSP_COMPLETE 0x00
+#define ISCSI_TMF_RSP_NO_TASK 0x01
+#define ISCSI_TMF_RSP_NO_LUN 0x02
+#define ISCSI_TMF_RSP_TASK_ALLEGIANT 0x03
+#define ISCSI_TMF_RSP_NO_FAILOVER 0x04
+#define ISCSI_TMF_RSP_NOT_SUPPORTED 0x05
+#define ISCSI_TMF_RSP_AUTH_FAILED 0x06
+#define ISCSI_TMF_RSP_REJECTED 0xff
/* Ready To Transfer Header */
struct iscsi_r2t_rsp {