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