Introduce Danny Braniss' iSCSI initiator, version 2.0.99. Please read the

included man pages on how to use it.  This code is still somewhat experimental
but has been successfully tested on a number of targets.  Many thanks to
Danny for contributing this.

Approved by: re

1 files changed, 134 insertions, 0 deletions

diff --git a/sbin/iscontrol/pdu.h b/sbin/iscontrol/pdu.h
new file mode 100644
index 0000000..0154f9e
--- /dev/null
+++ b/sbin/iscontrol/pdu.h
@@ -0,0 +1,134 @@
+/*-
+ * Copyright (c) 2005 Daniel Braniss <danny@cs.huji.ac.il>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+/*
+ | $Id: pdu.h,v 2.1 2006/11/12 08:06:51 danny Exp $
+ */
+
+/*
+ | keep in BIG endian order (network byte order).
+ */
+
+typedef struct login_req {
+     char	cmd;	// 0x03
+
+     u_char	NSG:2;
+     u_char	CSG:2;
+     u_char	_:2;
+     u_char	C:1;
+     u_char	T:1;
+
+     char	v_max;
+     char	v_min;
+
+     int	len;	// remapped via standard bhs
+     char	isid[6];
+     short	tsih;
+     int	itt;	// Initiator Task Tag;
+
+     int	CID:16;
+     int	rsv:16;
+
+     int	cmdSN;
+     int	expStatSN;
+     int	unused[4];
+} login_req_t;
+
+typedef struct login_rsp {
+     char	cmd;	// 0x23
+     u_char	NSG:2;
+     u_char	CSG:2;
+     u_char	_1:2;
+     u_char	C:1;
+     u_char	T:1;
+
+     char	v_max;
+     char	v_act;
+
+     int	len;	// remapped via standard bhs
+     char	isid[6];
+     short	tsih;
+     int	itt;	// Initiator Task Tag;
+     int	_2;
+     rsp_sn_t	sn;
+     int	status:16;
+     int	_3:16;
+     int	_4[2];
+} login_rsp_t;
+
+typedef struct text_req {
+     char	cmd;	// 0x04
+
+     u_char	_1:6;
+     u_char	C:1;	// Continuation 
+     u_char	F:1;	// Final
+     char	_2[2];
+
+     int	len;
+     int	itt;		// Initiator Task Tag
+     int	LUN[2];
+     int	ttt;		// Target Transfer Tag
+     int	cmdSN;
+     int	expStatSN;
+     int	unused[4];
+} text_req_t;
+
+/*
+ | Responses
+ */
+typedef struct logout_req {
+     char	cmd;	// 0x06
+     char	reason;	// 0 - close session
+     			// 1 - close connection
+     			// 2 - remove the connection for recovery
+     char	_2[2];
+
+     int	len;
+     int	_r[2];
+     int	itt;	// Initiator Task Tag;
+
+     u_int	CID:16;
+     u_int	rsv:16;
+
+     int	cmdSN;
+     int	expStatSN;
+     int	unused[4];
+} logout_req_t;
+
+typedef struct logout_rsp {
+     char	cmd;	// 0x26
+     char	cbits;
+     char	_1[2];
+     int	len;
+     int	_2[2];
+     int	itt;
+     int	_3;
+     rsp_sn_t	sn;
+     short	time2wait;
+     short	time2retain;
+     int	_4;
+} logout_rsp_t;