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      1 /*	$NetBSD: autofs_linux.h,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1999-2003 Ion Badulescu
      5  * Copyright (c) 1997-2014 Erez Zadok
      6  * Copyright (c) 1990 Jan-Simon Pendry
      7  * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
      8  * Copyright (c) 1990 The Regents of the University of California.
      9  * All rights reserved.
     10  *
     11  * This code is derived from software contributed to Berkeley by
     12  * Jan-Simon Pendry at Imperial College, London.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *
     39  * File: am-utils/conf/autofs/autofs_linux.h
     40  *
     41  */
     42 
     43 /*
     44  * Automounter filesystem headers for Linux
     45  */
     46 
     47 #if !defined(HAVE_LINUX_AUTO_FS_H) && !defined(HAVE_LINUX_AUTO_FS4_H)
     48 /* We didn't find the headers, so we can't compile in the autofs support */
     49 # undef HAVE_FS_AUTOFS
     50 # undef MNTTAB_TYPE_AUTOFS
     51 #endif /* !HAVE_LINUX_AUTO_FS_H && !HAVE_LINUX_AUTO_FS4_H */
     52 
     53 #ifdef HAVE_FS_AUTOFS
     54 
     55 struct autofs_pending_mount {
     56   unsigned long wait_queue_token;	/* Associated kernel wait token */
     57   char *name;
     58   struct autofs_pending_mount *next;
     59 };
     60 
     61 struct autofs_pending_umount {
     62   unsigned long wait_queue_token;	/* Associated kernel wait token */
     63   char *name;
     64   struct autofs_pending_umount *next;
     65 };
     66 
     67 typedef struct {
     68   int fd;
     69   int kernelfd;
     70   int ioctlfd;
     71   int version;
     72   struct autofs_pending_mount *pending_mounts;
     73   struct autofs_pending_umount *pending_umounts;
     74 } autofs_fh_t;
     75 
     76 #ifndef HAVE_LINUX_AUTO_FS4_H
     77 union autofs_packet_union {
     78 	struct autofs_packet_hdr hdr;
     79 	struct autofs_packet_missing missing;
     80 	struct autofs_packet_expire expire;
     81 };
     82 
     83 /* typedef unsigned long autofs_wqt_t; */
     84 #endif /* not HAVE_LINUX_AUTO_FS4_H */
     85 
     86 #define AUTOFS_AUTO_FS_FLAGS	(FS_AMQINFO | FS_DIRECTORY | FS_AUTOFS | FS_ON_AUTOFS)
     87 #define AUTOFS_DIRECT_FS_FLAGS	(FS_DIRECT | FS_MKMNT | FS_NOTIMEOUT | FS_BACKGROUND | FS_AMQINFO)
     88 #define AUTOFS_ERROR_FS_FLAGS	(FS_DISCARD)
     89 #define AUTOFS_HOST_FS_FLAGS	(FS_MKMNT | FS_BACKGROUND | FS_AMQINFO)
     90 #define AUTOFS_LINK_FS_FLAGS	(FS_MBACKGROUND)
     91 #define AUTOFS_LINKX_FS_FLAGS	(FS_MBACKGROUND)
     92 #define AUTOFS_NFSL_FS_FLAGS	(FS_BACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
     93 #define AUTOFS_NFSX_FS_FLAGS	(/* FS_UBACKGROUND| */ FS_AMQINFO )
     94 #define AUTOFS_PROGRAM_FS_FLAGS	(FS_BACKGROUND | FS_AMQINFO)
     95 #define AUTOFS_ROOT_FS_FLAGS	(FS_NOTIMEOUT | FS_AMQINFO | FS_DIRECTORY)
     96 #define AUTOFS_TOPLVL_FS_FLAGS	(FS_MKMNT | FS_NOTIMEOUT | FS_BACKGROUND | FS_AMQINFO | FS_DIRECTORY | FS_AUTOFS)
     97 #define AUTOFS_UNION_FS_FLAGS	(FS_NOTIMEOUT | FS_BACKGROUND | FS_AMQINFO | FS_DIRECTORY | FS_ON_AUTOFS)
     98 
     99 #define AUTOFS_CACHEFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    100 #define AUTOFS_CDFS_FS_FLAGS	(FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    101 #define AUTOFS_UDF_FS_FLAGS	(FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    102 #define AUTOFS_LUSTRE_FS_FLAGS	(FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    103 #define AUTOFS_EFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    104 #define AUTOFS_LOFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    105 #define AUTOFS_NFS_FS_FLAGS	(FS_BACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    106 #define AUTOFS_PCFS_FS_FLAGS	(FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    107 #define AUTOFS_UFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    108 #define AUTOFS_XFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    109 #define AUTOFS_EXT_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    110 #define AUTOFS_TMPFS_FS_FLAGS	(FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO | FS_ON_AUTOFS)
    111 #endif /* HAVE_FS_AUTOFS */
    112