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  * 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 #define AUTOFS_PATH             "/dev/autofs"
   38 
   39 struct autofs_daemon_request {
   40         /*
   41          * Request identifier.
   42          */
   43         int             adr_id;
   44 
   45         /*
   46          * The "from" field, containing map name.  For example,
   47          * when accessing '/net/192.168.1.3/tank/vm/', that would
   48          * be '-hosts'.
   49          */
   50         char            adr_from[MAXPATHLEN];
   51 
   52         /*
   53          * Full path to the node being looked up; for requests that result
   54          * in actual mount it is the full mount path.
   55          */
   56         char            adr_path[MAXPATHLEN];
   57 
   58         /*
   59          * Prefix, which is basically the mountpoint from auto_master(5).
   60          * In example above that would be "/net"; for direct maps it is "/".
   61          */
   62         char            adr_prefix[MAXPATHLEN];
   63 
   64         /*
   65          * Map key, also used as command argument for dynamic maps; in example
   66          * above that would be '192.168.1.3'.
   67          */
   68         char            adr_key[MAXPATHLEN];
   69 
   70         /*
   71          * Mount options from auto_master(5).
   72          */
   73         char            adr_options[MAXPATHLEN];
   74 };
   75 
   76 /*
   77  * Compatibility with 10.1-RELEASE automountd(8).
   78  */
   79 struct autofs_daemon_done_101 {
   80         /*
   81          * Identifier, copied from adr_id.
   82          */
   83         int             add_id;
   84 
   85         /*
   86          * Error number, possibly returned to userland.
   87          */
   88         int             add_error;
   89 };
   90 
   91 struct autofs_daemon_done {
   92         /*
   93          * Identifier, copied from adr_id.
   94          */
   95         int             add_id;
   96 
   97         /*
   98          * Set to 1 if the map may contain wildcard entries;
   99          * otherwise autofs will do negative caching.
  100          */
  101         int             add_wildcards;
  102 
  103         /*
  104          * Error number, possibly returned to userland.
  105          */
  106         int             add_error;
  107 
  108         /*
  109          * Reserved for future use.
  110          */
  111         int             add_spare[7];
  112 };
  113 
  114 #define AUTOFSREQUEST   _IOR('I', 0x01, struct autofs_daemon_request)
  115 #define AUTOFSDONE101   _IOW('I', 0x02, struct autofs_daemon_done_101)
  116 #define AUTOFSDONE      _IOW('I', 0x03, struct autofs_daemon_done)
  117 
  118 #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