[SCSI] iscsi_tcp, libiscsi: initial AHS Support

[safe/jmp/linux-2.6] / include / scsi / iscsi_proto.h

diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index 751c81e..6947082 100644 (file)
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -27,7 +27,7 @@
 #define ISCSI_LISTEN_PORT      3260
 
 /* Padding word length */
-#define PAD_WORD_LEN           4
+#define ISCSI_PAD_LEN          4
 
 /*
  * useful common(control and data pathes) macro
@@ -147,6 +147,14 @@ struct iscsi_rlength_ahdr {
        __be32 read_length;
 };
 
+/* Extended CDB AHS */
+struct iscsi_ecdb_ahdr {
+       __be16 ahslength;       /* CDB length - 15, including reserved byte */
+       uint8_t ahstype;
+       uint8_t reserved;
+       uint8_t ecdb[260 - 16]; /* 4-byte aligned extended CDB spillover */
+};
+
 /* SCSI Response Header */
 struct iscsi_cmd_rsp {
        uint8_t opcode;