1/* $NetBSD: autofs_ioctl.h,v 1.1 2018/01/09 03:31:14 christos Exp $ */
2
3/*-
4 * Copyright (c) 2017 The NetBSD Foundation, Inc.
5 * Copyright (c) 2016 The DragonFly Project
6 * Copyright (c) 2013 The FreeBSD Foundation
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Tomohiro Kusumi <kusumi.tomohiro@gmail.com>.
11 *
12 * This software was developed by Edward Tomasz Napierala under sponsorship
13 * from the FreeBSD Foundation.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $FreeBSD$
37 */
38
39#ifndef _SYS_FS_AUTOFS_AUTOFS_IOCTL_H_
40#define _SYS_FS_AUTOFS_AUTOFS_IOCTL_H_
41
42#include <sys/param.h>
43#include <sys/ioccom.h>
44
45#define AUTOFS_PATH "/dev/autofs"
46#define AUTOFS_MAXPATHLEN 256
47
48struct autofs_daemon_request {
49 /*
50 * Request identifier.
51 */
52 int adr_id;
53
54 /*
55 * The "from" field, containing map name. For example,
56 * when accessing '/net/192.168.1.3/tank/vm/', that would
57 * be '-hosts'.
58 */
59 char adr_from[AUTOFS_MAXPATHLEN];
60
61 /*
62 * Full path to the node being looked up; for requests that result
63 * in actual mount it is the full mount path.
64 */
65 char adr_path[AUTOFS_MAXPATHLEN];
66
67 /*
68 * Prefix, which is basically the mountpoint from auto_master(5).
69 * In example above that would be "/net"; for direct maps it is "/".
70 */
71 char adr_prefix[AUTOFS_MAXPATHLEN];
72
73 /*
74 * Map key, also used as command argument for dynamic maps; in example
75 * above that would be '192.168.1.3'.
76 */
77 char adr_key[AUTOFS_MAXPATHLEN];
78
79 /*
80 * Mount options from auto_master(5).
81 */
82 char adr_options[AUTOFS_MAXPATHLEN];
83};
84
85struct autofs_daemon_done {
86 /*
87 * Identifier, copied from adr_id.
88 */
89 int add_id;
90
91 /*
92 * Set to 1 if the map may contain wildcard entries;
93 * otherwise autofs will do negative caching.
94 */
95 int add_wildcards;
96
97 /*
98 * Error number, possibly returned to userland.
99 */
100 int add_error;
101
102 /*
103 * Reserved for future use.
104 */
105 int add_spare[7];
106};
107
108#define AUTOFSREQUEST _IOR('I', 0x01, struct autofs_daemon_request)
109#define AUTOFSDONE _IOW('I', 0x02, struct autofs_daemon_done)
110
111#endif /* !_SYS_FS_AUTOFS_AUTOFS_IOCTL_H */
112