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