1 | /* |
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2 | * Copyright (c) 1989, 1991, 1993 |
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3 | * The Regents of the University of California. All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 4. Neither the name of the University nor the names of its contributors |
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14 | * may be used to endorse or promote products derived from this software |
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15 | * without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 | * SUCH DAMAGE. |
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28 | * |
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29 | * @(#)mount.h 8.21 (Berkeley) 5/20/95 |
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30 | * $FreeBSD: src/sys/sys/mount.h,v 1.198 2005/08/06 01:42:04 ssouhlal Exp $ |
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31 | */ |
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32 | |
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33 | /* |
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34 | * $Id$ |
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35 | */ |
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36 | |
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37 | #ifndef _SYS_MOUNT_H_ |
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38 | #define _SYS_MOUNT_H_ |
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39 | |
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40 | #ifndef _KERNEL |
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41 | #include <sys/ucred.h> |
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42 | #endif |
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43 | #include <sys/queue.h> |
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44 | |
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45 | typedef struct fsid { int32_t val[2]; } fsid_t; /* filesystem id type */ |
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46 | |
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47 | /* |
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48 | * File identifier. |
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49 | * These are unique per filesystem on a single machine. |
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50 | */ |
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51 | #define MAXFIDSZ 16 |
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52 | |
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53 | struct fid { |
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54 | u_short fid_len; /* length of data in bytes */ |
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55 | u_short fid_reserved; /* force longword alignment */ |
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56 | char fid_data[MAXFIDSZ]; /* data (variable length) */ |
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57 | }; |
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58 | |
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59 | /* |
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60 | * filesystem statistics |
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61 | */ |
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62 | #define MFSNAMELEN 16 /* length of type name including null */ |
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63 | #define MNAMELEN 88 /* size of on/from name bufs */ |
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64 | |
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65 | /* |
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66 | * User specifiable flags. |
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67 | */ |
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68 | #define MNT_RDONLY 0x00000001 /* read only filesystem */ |
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69 | #define MNT_SYNCHRONOUS 0x00000002 /* filesystem written synchronously */ |
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70 | #define MNT_NOEXEC 0x00000004 /* can't exec from filesystem */ |
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71 | #define MNT_NOSUID 0x00000008 /* don't honor setuid bits on fs */ |
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72 | #define MNT_NODEV 0x00000010 /* don't interpret special files */ |
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73 | #define MNT_UNION 0x00000020 /* union with underlying filesystem */ |
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74 | #define MNT_ASYNC 0x00000040 /* filesystem written asynchronously */ |
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75 | #define MNT_NOATIME 0x10000000 /* disable update of file access time */ |
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76 | |
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77 | /* |
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78 | * NFS export related mount flags. |
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79 | */ |
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80 | #define MNT_EXRDONLY 0x00000080 /* exported read only */ |
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81 | #define MNT_EXPORTED 0x00000100 /* filesystem is exported */ |
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82 | #define MNT_DEFEXPORTED 0x00000200 /* exported to the world */ |
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83 | #define MNT_EXPORTANON 0x00000400 /* use anon uid mapping for everyone */ |
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84 | #define MNT_EXKERB 0x00000800 /* exported with Kerberos uid mapping */ |
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85 | #define MNT_EXPUBLIC 0x20000000 /* public export (WebNFS) */ |
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86 | |
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87 | /* |
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88 | * Flags set by internal operations, |
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89 | * but visible to the user. |
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90 | */ |
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91 | #define MNT_LOCAL 0x00001000 /* filesystem is stored locally */ |
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92 | #define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */ |
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93 | #define MNT_ROOTFS 0x00004000 /* identifies the root filesystem */ |
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94 | #define MNT_USER 0x00008000 /* mounted by a user */ |
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95 | #define MNT_IGNORE 0x00800000 /* do not show entry in df */ |
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96 | |
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97 | /* |
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98 | * External filesystem command modifier flags. |
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99 | * Unmount can use the MNT_FORCE flag. |
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100 | */ |
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101 | #define MNT_UPDATE 0x00010000 /* not a real mount, just an update */ |
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102 | #define MNT_DELEXPORT 0x00020000 /* delete export host lists */ |
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103 | #define MNT_RELOAD 0x00040000 /* reload filesystem data */ |
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104 | #define MNT_FORCE 0x00080000 /* force unmount or readonly change */ |
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105 | |
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106 | /* |
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107 | * Generic file handle |
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108 | */ |
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109 | struct fhandle { |
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110 | fsid_t fh_fsid; /* Filesystem id of mount point */ |
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111 | struct fid fh_fid; /* Filesys specific id */ |
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112 | }; |
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113 | typedef struct fhandle fhandle_t; |
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114 | |
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115 | #ifdef _KERNEL |
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116 | |
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117 | #else /* !_KERNEL */ |
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118 | |
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119 | #include <rtems/bsd/sys/cdefs.h> |
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120 | |
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121 | #endif /* _KERNEL */ |
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122 | |
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123 | #endif /* !_SYS_MOUNT_H_ */ |
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