summaryrefslogtreecommitdiff
path: root/include/scsi/iscsi_proto.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi/iscsi_proto.h')
-rw-r--r--include/scsi/iscsi_proto.h30
1 files changed, 22 insertions, 8 deletions
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index dd0a52cea95a..a9c9058ffc60 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -116,7 +116,7 @@ struct iscsi_ahs_hdr {
#define ISCSI_CDB_SIZE 16
/* iSCSI PDU Header */
-struct iscsi_cmd {
+struct iscsi_scsi_req {
uint8_t opcode;
uint8_t flags;
__be16 rsvd2;
@@ -161,7 +161,7 @@ struct iscsi_ecdb_ahdr {
};
/* SCSI Response Header */
-struct iscsi_cmd_rsp {
+struct iscsi_scsi_rsp {
uint8_t opcode;
uint8_t flags;
uint8_t response;
@@ -406,7 +406,7 @@ struct iscsi_text_rsp {
};
/* Login Header */
-struct iscsi_login {
+struct iscsi_login_req {
uint8_t opcode;
uint8_t flags;
uint8_t max_version; /* Max. version supported */
@@ -427,7 +427,13 @@ struct iscsi_login {
#define ISCSI_FLAG_LOGIN_TRANSIT 0x80
#define ISCSI_FLAG_LOGIN_CONTINUE 0x40
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK 0x0C /* 2 bits */
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE1 0x04
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE2 0x08
+#define ISCSI_FLAG_LOGIN_CURRENT_STAGE3 0x0C
#define ISCSI_FLAG_LOGIN_NEXT_STAGE_MASK 0x03 /* 2 bits */
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE1 0x01
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE2 0x02
+#define ISCSI_FLAG_LOGIN_NEXT_STAGE3 0x03
#define ISCSI_LOGIN_CURRENT_STAGE(flags) \
((flags & ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK) >> 2)
@@ -550,17 +556,25 @@ struct iscsi_logout_rsp {
struct iscsi_snack {
uint8_t opcode;
uint8_t flags;
- uint8_t rsvd2[14];
+ uint8_t rsvd2[2];
+ uint8_t hlength;
+ uint8_t dlength[3];
+ uint8_t lun[8];
itt_t itt;
+ __be32 ttt;
+ uint8_t rsvd3[4];
+ __be32 exp_statsn;
+ uint8_t rsvd4[8];
__be32 begrun;
__be32 runlength;
- __be32 exp_statsn;
- __be32 rsvd3;
- __be32 exp_datasn;
- uint8_t rsvd6[8];
};
/* SNACK PDU flags */
+#define ISCSI_FLAG_SNACK_TYPE_DATA 0
+#define ISCSI_FLAG_SNACK_TYPE_R2T 0
+#define ISCSI_FLAG_SNACK_TYPE_STATUS 1
+#define ISCSI_FLAG_SNACK_TYPE_DATA_ACK 2
+#define ISCSI_FLAG_SNACK_TYPE_RDATA 3
#define ISCSI_FLAG_SNACK_TYPE_MASK 0x0F /* 4 bits */
/* Reject Message Header */