autofs_ioctl.h revision 270096 
1/*-
2 * Copyright (c) 2013 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Edward Tomasz Napierala under sponsorship
6 * from the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/fs/autofs/autofs_ioctl.h 270096 2014-08-17 09:44:42Z trasz $
30 */
31
32#ifndef AUTOFS_IOCTL_H
33#define	AUTOFS_IOCTL_H
34
35#define	AUTOFS_PATH		"/dev/autofs"
36
37struct autofs_daemon_request {
38	/*
39	 * Request identifier.
40	 */
41	int		adr_id;
42
43	/*
44	 * The "from" field, containing map name.  For example,
45	 * when accessing '/net/192.168.1.3/tank/vm/', that would
46	 * be '-hosts'.
47	 */
48	char		adr_from[MAXPATHLEN];
49
50	/*
51	 * Full path to the node being looked up; for requests that result
52	 * in actual mount it is the full mount path.
53	 */
54	char		adr_path[MAXPATHLEN];
55
56	/*
57	 * Prefix, which is basically the mountpoint from auto_master(5).
58	 * In example above that would be "/net"; for direct maps it is "/".
59	 */
60	char		adr_prefix[MAXPATHLEN];
61
62	/*
63	 * Map key, also used as command argument for dynamic maps; in example
64	 * above that would be '192.168.1.3'.
65	 */
66	char		adr_key[MAXPATHLEN];
67
68	/*
69	 * Mount options from auto_master(5).
70	 */
71	char		adr_options[MAXPATHLEN];
72};
73
74struct autofs_daemon_done {
75	/*
76	 * Identifier, copied from adr_id.
77	 */
78	int		add_id;
79
80	/*
81	 * Error number, possibly returned to userland.
82	 */
83	int		add_error;
84};
85
86#define	AUTOFSREQUEST	_IOR('I', 0x01, struct autofs_daemon_request)
87#define	AUTOFSDONE	_IOW('I', 0x02, struct autofs_daemon_done)
88
89#endif /* !AUTOFS_IOCTL_H */
90