1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 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 * $FreeBSD$
31 */
32
33#ifndef AUTOFS_IOCTL_H
34#define	AUTOFS_IOCTL_H
35
36#define	AUTOFS_PATH		"/dev/autofs"
37
38struct autofs_daemon_request {
39	/*
40	 * Request identifier.
41	 */
42	int		adr_id;
43
44	/*
45	 * The "from" field, containing map name.  For example,
46	 * when accessing '/net/192.168.1.3/tank/vm/', that would
47	 * be '-hosts'.
48	 */
49	char		adr_from[MAXPATHLEN];
50
51	/*
52	 * Full path to the node being looked up; for requests that result
53	 * in actual mount it is the full mount path.
54	 */
55	char		adr_path[MAXPATHLEN];
56
57	/*
58	 * Prefix, which is basically the mountpoint from auto_master(5).
59	 * In example above that would be "/net"; for direct maps it is "/".
60	 */
61	char		adr_prefix[MAXPATHLEN];
62
63	/*
64	 * Map key, also used as command argument for dynamic maps; in example
65	 * above that would be '192.168.1.3'.
66	 */
67	char		adr_key[MAXPATHLEN];
68
69	/*
70	 * Mount options from auto_master(5).
71	 */
72	char		adr_options[MAXPATHLEN];
73};
74
75/*
76 * Compatibility with 10.1-RELEASE automountd(8).
77 */
78struct autofs_daemon_done_101 {
79	/*
80	 * Identifier, copied from adr_id.
81	 */
82	int		add_id;
83
84	/*
85	 * Error number, possibly returned to userland.
86	 */
87	int		add_error;
88};
89
90struct autofs_daemon_done {
91	/*
92	 * Identifier, copied from adr_id.
93	 */
94	int		add_id;
95
96	/*
97	 * Set to 1 if the map may contain wildcard entries;
98	 * otherwise autofs will do negative caching.
99	 */
100	int		add_wildcards;
101
102	/*
103	 * Error number, possibly returned to userland.
104	 */
105	int		add_error;
106
107	/*
108	 * Reserved for future use.
109	 */
110	int		add_spare[7];
111};
112
113#define	AUTOFSREQUEST	_IOR('I', 0x01, struct autofs_daemon_request)
114#define	AUTOFSDONE101	_IOW('I', 0x02, struct autofs_daemon_done_101)
115#define	AUTOFSDONE	_IOW('I', 0x03, struct autofs_daemon_done)
116
117#endif /* !AUTOFS_IOCTL_H */
118