xref: /freebsd/usr.sbin/iscsid/iscsid.h (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2012 The FreeBSD Foundation
5  *
6  * This software was developed by Edward Tomasz Napierala under sponsorship
7  * from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef ISCSID_H
32 #define	ISCSID_H
33 
34 #include <stdbool.h>
35 #include <stdint.h>
36 
37 #include <iscsi_ioctl.h>
38 #include <libiscsiutil.h>
39 
40 #define	DEFAULT_PIDFILE			"/var/run/iscsid.pid"
41 
42 #define	CONN_MUTUAL_CHALLENGE_LEN	1024
43 #define	SOCKBUF_SIZE			1048576
44 
45 struct iscsid_connection {
46 	struct connection	conn;
47 	int			conn_iscsi_fd;
48 	unsigned int		conn_session_id;
49 	struct iscsi_session_conf	conn_conf;
50 	struct iscsi_session_limits	conn_limits;
51 	char			conn_target_alias[ISCSI_ADDR_LEN];
52 	int			conn_protocol_level;
53 	bool			conn_initial_r2t;
54 	struct chap		*conn_mutual_chap;
55 };
56 
57 void			login(struct iscsid_connection *ic);
58 
59 void			discovery(struct iscsid_connection *ic);
60 
61 void			fail(const struct connection *, const char *);
62 
63 #endif /* !ISCSID_H */
64