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