sysdeps/unix/sysv/linux/linux_fsinfo.h

   1 /* Constants from kernel header for various FSes.
   2    Copyright (C) 1998,1999,2000,2001,2002,2003,2005 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _LINUX_FSINFO_H
  21 #define _LINUX_FSINFO_H 1
  22
  23 /* These definitions come from the kernel headers.  But we cannot
  24    include the headers here because of type clashes.  If new
  25    filesystem types will become available we have to add the
  26    appropriate definitions here.*/
  27
  28 /* Constants that identify the `adfs' filesystem.  */
  29 #define ADFS_SUPER_MAGIC        0xadf5
  30
  31 /* Constants that identify the `affs' filesystem.  */
  32 #define AFFS_SUPER_MAGIC        0xadff
  33
  34 /* Constants that identify the `autofs' filesystem.  */
  35 #define AUTOFS_SUPER_MAGIC      0x187
  36
  37 /* Constants that identify the `bfs' filesystem.  */
  38 #define BFS_MAGIC               0x1BADFACE
  39
  40 /* Constants that identify the `coda' filesystem.  */
  41 #define CODA_SUPER_MAGIC        0x73757245
  42
  43 /* Constants that identify the `coherent' filesystem.  */
  44 #define COH_SUPER_MAGIC         0x012ff7b7
  45
  46 /* Constant that identifies the `ramfs' filesystem.  */
  47 #define CRAMFS_MAGIC            0x28cd3d45
  48
  49 /* Constant that identifies the `devfs' filesystem.  */
  50 #define DEVFS_SUPER_MAGIC       0x1373
  51
  52 /* Constant that identifies the `devpts' filesystem.  */
  53 #define DEVPTS_SUPER_MAGIC      0x1cd1
  54
  55 /* Constant that identifies the `efs' filesystem.  */
  56 #define EFS_SUPER_MAGIC         0x414A53
  57 #define EFS_MAGIC               0x072959
  58
  59 /* Constant that identifies the `ext2' and `ext3' filesystems.  */
  60 #define EXT2_SUPER_MAGIC        0xef53
  61
  62 /* Constant that identifies the `hpfs' filesystem.  */
  63 #define HPFS_SUPER_MAGIC        0xf995e849
  64
  65 /* Constant that identifies the `iso9660' filesystem.  */
  66 #define ISOFS_SUPER_MAGIC       0x9660
  67
  68 /* Constant that identifies the `jffs' filesystem.  */
  69 #define JFFS_SUPER_MAGIC        0x07c0
  70
  71 /* Constant that identifies the `jffs2' filesystem.  */
  72 #define JFFS2_SUPER_MAGIC       0x72b6
  73
  74 /* Constant that identifies the `jfs' filesystem.  */
  75 #define JFS_SUPER_MAGIC         0x3153464a
  76
  77 /* Constants that identify the `minix2' filesystem.  */
  78 #define MINIX2_SUPER_MAGIC      0x2468
  79 #define MINIX2_SUPER_MAGIC2     0x2478
  80
  81 /* Constants that identify the `minix' filesystem.  */
  82 #define MINIX_SUPER_MAGIC       0x137f
  83 #define MINIX_SUPER_MAGIC2      0x138F
  84
  85 /* Constants that identify the `msdos' filesystem.  */
  86 #define MSDOS_SUPER_MAGIC       0x4d44
  87
  88 /* Constants that identify the `ncp' filesystem.  */
  89 #define NCP_SUPER_MAGIC         0x564c
  90
  91 /* Constants that identify the `nfs' filesystem.  */
  92 #define NFS_SUPER_MAGIC         0x6969
  93
  94 /* Constants that identify the `ntfs' filesystem.  */
  95 #define NTFS_SUPER_MAGIC        0x5346544e
  96
  97 /* Constants that identify the `proc' filesystem.  */
  98 #define PROC_SUPER_MAGIC        0x9fa0
  99
 100 /* Constant that identifies the `usbdevfs' filesystem.  */
 101 #define USBDEVFS_SUPER_MAGIC    0x9fa2
 102
 103 /* Constants that identify the `qnx4' filesystem.  */
 104 #define QNX4_SUPER_MAGIC        0x002f
 105
 106 /* Constants that identify the `reiser' filesystem.  */
 107 #define REISERFS_SUPER_MAGIC    0x52654973
 108
 109 /* Constant that identifies the `romfs' filesystem.  */
 110 #define ROMFS_SUPER_MAGIC       0x7275
 111
 112 /* Constants that identify the `smb' filesystem.  */
 113 #define SMB_SUPER_MAGIC         0x517b
 114
 115 /* Constants that identify the `sysV' filesystem.  */
 116 #define SYSV2_SUPER_MAGIC       0x012ff7b6
 117 #define SYSV4_SUPER_MAGIC       0x012ff7b5
 118
 119 /* Constants that identify the `udf' filesystem.  */
 120 #define UDF_SUPER_MAGIC         0x15013346
 121
 122 /* Constants that identify the `ufs' filesystem.  */
 123 #define UFS_MAGIC               0x00011954
 124 #define UFS_CIGAM               0x54190100 /* byteswapped MAGIC */
 125
 126 /* Constants that identify the `xenix' filesystem.  */
 127 #define XENIX_SUPER_MAGIC       0x012ff7b4
 128
 129 /* Constant that identifies the `shm' filesystem.  */
 130 #define SHMFS_SUPER_MAGIC       0x01021994
 131
 132 /* Constants that identify the `xfs' filesystem.  */
 133 #define XFS_SUPER_MAGIC         0x58465342
 134
 135 /* Constants that identify the `vxfs' filesystem.  */
 136 #define VXFS_SUPER_MAGIC        0xa501fcf5
 137
 138 /* Constants that identify the `sysfs´ filesystem.  */
 139 #define SYSFS_MAGIC             0x62656572
 140
 141 /* Maximum link counts.  */
 142 #define COH_LINK_MAX            10000
 143 #define EXT2_LINK_MAX           32000
 144 #define MINIX2_LINK_MAX         65530
 145 #define MINIX_LINK_MAX          250
 146 #define REISERFS_LINK_MAX       64535
 147 #define SYSV_LINK_MAX           126     /* 127? 251? */
 148 #define UFS_LINK_MAX            EXT2_LINK_MAX
 149 #define XENIX_LINK_MAX          126     /* ?? */
 150 #define XFS_LINK_MAX            2147483647
 151
 152 /* The Linux kernel header mentioned this as a kind of generic value.  */
 153 #define LINUX_LINK_MAX  127
 154
 155
 156 #endif  /* linux_fsinfo.h */