autofs_ioctl.h

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

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FreeBSD/Linux Kernel Cross Reference sys/fs/autofs/autofs_ioctl.h

FreeBSD/Linux Kernel Cross Reference
sys/fs/autofs/autofs_ioctl.h