1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2016 Tomohiro Kusumi <tkusumi@netbsd.org> 5 * Copyright (c) 2016 The DragonFly Project 6 * Copyright (c) 2013 The FreeBSD Foundation 7 * All rights reserved. 8 * 9 * This software was developed by Edward Tomasz Napierala under sponsorship 10 * from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #ifndef AUTOFS_IOCTL_H 37 #define AUTOFS_IOCTL_H 38 39 #include <sys/param.h> 40 #include <sys/ioccom.h> 41 42 #define AUTOFS_PATH "/dev/autofs" 43 44 struct autofs_daemon_request { 45 /* 46 * Request identifier. 47 */ 48 int adr_id; 49 50 /* 51 * The "from" field, containing map name. For example, 52 * when accessing '/net/192.168.1.3/tank/vm/', that would 53 * be '-hosts'. 54 */ 55 char adr_from[MAXPATHLEN]; 56 57 /* 58 * Full path to the node being looked up; for requests that result 59 * in actual mount it is the full mount path. 60 */ 61 char adr_path[MAXPATHLEN]; 62 63 /* 64 * Prefix, which is basically the mountpoint from auto_master(5). 65 * In example above that would be "/net"; for direct maps it is "/". 66 */ 67 char adr_prefix[MAXPATHLEN]; 68 69 /* 70 * Map key, also used as command argument for dynamic maps; in example 71 * above that would be '192.168.1.3'. 72 */ 73 char adr_key[MAXPATHLEN]; 74 75 /* 76 * Mount options from auto_master(5). 77 */ 78 char adr_options[MAXPATHLEN]; 79 }; 80 81 struct autofs_daemon_done { 82 /* 83 * Identifier, copied from adr_id. 84 */ 85 int add_id; 86 87 /* 88 * Set to 1 if the map may contain wildcard entries; 89 * otherwise autofs will do negative caching. 90 */ 91 int add_wildcards; 92 93 /* 94 * Error number, possibly returned to userland. 95 */ 96 int add_error; 97 98 /* 99 * Reserved for future use. 100 */ 101 int add_spare[7]; 102 }; 103 104 #define AUTOFSREQUEST _IOR('I', 0x01, struct autofs_daemon_request) 105 #define AUTOFSDONE _IOW('I', 0x03, struct autofs_daemon_done) 106 107 #endif /* !AUTOFS_IOCTL_H */ 108