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1 | /* Constants from kernel header for various FSes. | |
2 | Copyright (C) 1998-2018 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, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _LINUX_FSINFO_H | |
20 | #define _LINUX_FSINFO_H 1 | |
21 | ||
22 | /* These definitions come from the kernel headers. But we cannot | |
23 | include the headers here because of type clashes. If new | |
24 | filesystem types will become available we have to add the | |
25 | appropriate definitions here. */ | |
26 | ||
27 | /* Constant that identifies the `adfs' filesystem. */ | |
28 | #define ADFS_SUPER_MAGIC 0xadf5 | |
29 | ||
30 | /* Constant that identifies the `affs' filesystem. */ | |
31 | #define AFFS_SUPER_MAGIC 0xadff | |
32 | ||
33 | /* Constant that identifies the `afs' filesystem. */ | |
34 | #define AFS_SUPER_MAGIC 0x5346414F | |
35 | ||
36 | /* Constant that identifies the `anon_inodefs' filesystem. */ | |
37 | #define ANON_INODE_FS_MAGIC 0x09041934 | |
38 | ||
39 | /* Constant that identifies the `autofs' filesystem. */ | |
40 | #define AUTOFS_SUPER_MAGIC 0x187 | |
41 | ||
42 | /* Constant that identifies the `bdev' filesystem. */ | |
43 | #define BDEVFS_MAGIC 0x62646576 | |
44 | ||
45 | /* Constant that identifies the `bfs' filesystem. */ | |
46 | #define BFS_MAGIC 0x1badface | |
47 | ||
48 | /* Constant that identifies the `binfmt_misc' filesystem. */ | |
49 | #define BINFMTFS_MAGIC 0x42494e4d | |
50 | ||
51 | /* Constant that identifies the `btrfs' filesystem. */ | |
52 | #define BTRFS_SUPER_MAGIC 0x9123683e | |
53 | ||
54 | /* Constant that identifies the `btrfs_test_fs' filesystem. */ | |
55 | #define BTRFS_TEST_MAGIC 0x73727279 | |
56 | ||
57 | /* Constant that identifies the `cgroup' filesystem. */ | |
58 | #define CGROUP_SUPER_MAGIC 0x27e0eb | |
59 | ||
60 | /* Constant that identifies the `coda' filesystem. */ | |
61 | #define CODA_SUPER_MAGIC 0x73757245 | |
62 | ||
63 | /* Constant that identifies the `coherent' filesystem. */ | |
64 | #define COH_SUPER_MAGIC 0x012ff7b7 | |
65 | ||
66 | /* Constant that identifies the `cramfs' filesystem. */ | |
67 | #define CRAMFS_MAGIC 0x28cd3d45 | |
68 | ||
69 | /* Constant that identifies the `cramfs' filesystem w/opposite endianness. */ | |
70 | #define CRAMFS_MAGIC_WEND 0x453dcd28 | |
71 | ||
72 | /* Constant that identifies the `debugfs' filesystem. */ | |
73 | #define DEBUGFS_MAGIC 0x64626720 | |
74 | ||
75 | /* Constant that identifies the `devfs' filesystem. */ | |
76 | #define DEVFS_SUPER_MAGIC 0x1373 | |
77 | ||
78 | /* Constant that identifies the `devpts' filesystem. */ | |
79 | #define DEVPTS_SUPER_MAGIC 0x1cd1 | |
80 | ||
81 | /* Constants that identifies the `ecryptfs' filesystem. */ | |
82 | #define ECRYPTFS_SUPER_MAGIC 0xf15f | |
83 | ||
84 | /* Constants that identifies the `efs' filesystem. */ | |
85 | #define EFS_SUPER_MAGIC 0x414a53 | |
86 | #define EFS_MAGIC 0x072959 | |
87 | ||
88 | /* Constants that identifies the `evivar' filesystem. */ | |
89 | #define EFIVARFS_MAGIC 0xde5e81e4 | |
90 | ||
91 | /* Constant that identifies the `ext2' filesystem. */ | |
92 | #define EXT2_SUPER_MAGIC 0xef53 | |
93 | ||
94 | /* Constant that identifies the `ext3' filesystem. */ | |
95 | #define EXT3_SUPER_MAGIC 0xef53 | |
96 | ||
97 | /* Constant that identifies the `ext3' filesystem. */ | |
98 | #define EXT4_SUPER_MAGIC 0xef53 | |
99 | ||
100 | /* Constant that identifies the `f2fs' filesystem. */ | |
101 | #define F2FS_SUPER_MAGIC 0xf2f52010 | |
102 | ||
103 | /* Constant that identifies the `futexfs' filesystem. */ | |
104 | #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA | |
105 | ||
106 | /* Constant that identifies the `hostfs' filesystem. */ | |
107 | #define HOSTFS_SUPER_MAGIC 0x00c0ffee | |
108 | ||
109 | /* Constant that identifies the `hpfs' filesystem. */ | |
110 | #define HPFS_SUPER_MAGIC 0xf995e849 | |
111 | ||
112 | /* Constant that identifies the `hugetlbfs' filesystem. */ | |
113 | #define HUGETLBFS_MAGIC 0x958458f6 | |
114 | ||
115 | /* Constant that identifies the `iso9660' filesystem. */ | |
116 | #define ISOFS_SUPER_MAGIC 0x9660 | |
117 | ||
118 | /* Constant that identifies the `jffs' filesystem. */ | |
119 | #define JFFS_SUPER_MAGIC 0x07c0 | |
120 | ||
121 | /* Constant that identifies the `jffs2' filesystem. */ | |
122 | #define JFFS2_SUPER_MAGIC 0x72b6 | |
123 | ||
124 | /* Constant that identifies the `jfs' filesystem. */ | |
125 | #define JFS_SUPER_MAGIC 0x3153464a | |
126 | ||
127 | /* Constant that identifies the `logfs' filesystem. */ | |
128 | #define LOGFS_MAGIC_U32 0xc97e8168u | |
129 | ||
130 | /* Constant that identifies the `lustre' filesystem. */ | |
131 | #define LUSTRE_SUPER_MAGIC 0x0BD00BD0 | |
132 | ||
133 | /* Constants that identify the `minix2' filesystem. */ | |
134 | #define MINIX2_SUPER_MAGIC 0x2468 | |
135 | #define MINIX2_SUPER_MAGIC2 0x2478 | |
136 | ||
137 | /* Constants that identify the `minix3' filesystem. */ | |
138 | #define MINIX3_SUPER_MAGIC 0x4d5a | |
139 | ||
140 | /* Constants that identify the `minix' filesystem. */ | |
141 | #define MINIX_SUPER_MAGIC 0x137f | |
142 | #define MINIX_SUPER_MAGIC2 0x138F | |
143 | ||
144 | /* Constant that identifies the `msdos' filesystem. */ | |
145 | #define MSDOS_SUPER_MAGIC 0x4d44 | |
146 | ||
147 | /* Constant that identifies the `mtd_inodefs' filesystem. */ | |
148 | #define MTD_INODE_FS_MAGIC 0x11307854 | |
149 | ||
150 | /* Constant that identifies the `ncp' filesystem. */ | |
151 | #define NCP_SUPER_MAGIC 0x564c | |
152 | ||
153 | /* Constant that identifies the `nilfs' filesystem. */ | |
154 | #define NILFS_SUPER_MAGIC 0x3434 | |
155 | ||
156 | /* Constant that identifies the `nfs' filesystem. */ | |
157 | #define NFS_SUPER_MAGIC 0x6969 | |
158 | ||
159 | /* Constant that identifies the `ntfs' filesystem. */ | |
160 | #define NTFS_SUPER_MAGIC 0x5346544e | |
161 | ||
162 | /* Constant that identifies the `openpromfs' filesystem. */ | |
163 | #define OPENPROM_SUPER_MAGIC 0x9fa1 | |
164 | ||
165 | /* Constant that identifies the `pipefs' filesystem. */ | |
166 | #define PIPEFS_MAGIC 0x50495045 | |
167 | ||
168 | /* Constant that identifies the `proc' filesystem. */ | |
169 | #define PROC_SUPER_MAGIC 0x9fa0 | |
170 | ||
171 | /* Constant that identifies the `pstorefs' filesystem. */ | |
172 | #define PSTOREFS_MAGIC 0x6165676C | |
173 | ||
174 | /* Constant that identifies the `qnx4' filesystem. */ | |
175 | #define QNX4_SUPER_MAGIC 0x002f | |
176 | ||
177 | /* Constant that identifies the `qnx6' filesystem. */ | |
178 | #define QNX6_SUPER_MAGIC 0x68191122 | |
179 | ||
180 | /* Constant that identifies the `ramfs' filesystem. */ | |
181 | #define RAMFS_MAGIC 0x858458f6 | |
182 | ||
183 | /* Constant that identifies the `reiser' filesystem. */ | |
184 | #define REISERFS_SUPER_MAGIC 0x52654973 | |
185 | ||
186 | #define REISERFS_SUPER_MAGIC_STRING "ReIsErFs" | |
187 | #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" | |
188 | #define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs" | |
189 | ||
190 | /* Constant that identifies the `romfs' filesystem. */ | |
191 | #define ROMFS_SUPER_MAGIC 0x7275 | |
192 | ||
193 | /* Constant that identifies the `securityfs' filesystem. */ | |
194 | #define SECURITYFS_MAGIC 0x73636673 | |
195 | ||
196 | /* Constant that identifies the `selinuxfs' filesystem. */ | |
197 | #define SELINUX_MAGIC 0xf97cff8c | |
198 | ||
199 | /* Constant that identifies the `smackfs' filesystem. */ | |
200 | #define SMACK_MAGIC 0x43415d53 /* "SMAC" */ | |
201 | ||
202 | /* Constant that identifies the `shm' filesystem. */ | |
203 | #define SHMFS_SUPER_MAGIC 0x01021994 | |
204 | ||
205 | /* Constant that identifies the `smb' filesystem. */ | |
206 | #define SMB_SUPER_MAGIC 0x517b | |
207 | ||
208 | /* Constant that identifies the `sockfs' filesystem. */ | |
209 | #define SOCKFS_MAGIC 0x534F434B | |
210 | ||
211 | /* Constant that identifies the `squashfs' filesystem. */ | |
212 | #define SQUASHFS_MAGIC 0x73717368 | |
213 | ||
214 | /* Constant that identifies the end of stacks allocated by the kernel. */ | |
215 | #define STACK_END_MAGIC 0x57AC6E9D | |
216 | ||
217 | /* Constant that identifies the `sysfs' filesystem. */ | |
218 | #define SYSFS_MAGIC 0x62656572 | |
219 | ||
220 | /* Constants that identify the `sysV' filesystem. */ | |
221 | #define SYSV2_SUPER_MAGIC 0x012ff7b6 | |
222 | #define SYSV4_SUPER_MAGIC 0x012ff7b5 | |
223 | ||
224 | /* Constant that identifies the `tmpfs' filesystem. */ | |
225 | #define TMPFS_MAGIC 0x01021994 | |
226 | ||
227 | /* Constant that identifies the `udf' filesystem. */ | |
228 | #define UDF_SUPER_MAGIC 0x15013346 | |
229 | ||
230 | /* Constant that identify the `ufs' filesystem. */ | |
231 | #define UFS_MAGIC 0x00011954 | |
232 | #define UFS_CIGAM 0x54190100 /* byteswapped MAGIC */ | |
233 | ||
234 | /* Constant that identifies the `usbdevfs' filesystem. */ | |
235 | #define USBDEVFS_SUPER_MAGIC 0x9fa2 | |
236 | #define USBDEVICE_SUPER_MAGIC 0x9fa2 | |
237 | ||
238 | /* Constant that identifies the `9p' filesystem. */ | |
239 | #define V9FS_MAGIC 0x01021997 | |
240 | ||
241 | /* Constant that identifies the `vxfs' filesystem. */ | |
242 | #define VXFS_SUPER_MAGIC 0xa501fcf5 | |
243 | ||
244 | /* Constant that identifies the `xenfs' filesystem. */ | |
245 | #define XENFS_SUPER_MAGIC 0xabba1974 | |
246 | ||
247 | /* Constant that identifies the `xenix' filesystem. */ | |
248 | #define XENIX_SUPER_MAGIC 0x012ff7b4 | |
249 | ||
250 | /* Constant that identifies the `xfs' filesystem. */ | |
251 | #define XFS_SUPER_MAGIC 0x58465342 | |
252 | ||
253 | /* Maximum link counts. */ | |
254 | #define COH_LINK_MAX 10000 | |
255 | #define EXT2_LINK_MAX 32000 | |
256 | #define EXT4_LINK_MAX 65000 | |
257 | #define F2FS_LINK_MAX 32000 | |
258 | #define LUSTRE_LINK_MAX EXT4_LINK_MAX | |
259 | #define MINIX2_LINK_MAX 65530 | |
260 | #define MINIX_LINK_MAX 250 | |
261 | #define REISERFS_LINK_MAX 64535 | |
262 | #define SYSV_LINK_MAX 126 /* 127? 251? */ | |
263 | #define UFS_LINK_MAX EXT2_LINK_MAX | |
264 | #define XENIX_LINK_MAX 126 /* ?? */ | |
265 | #define XFS_LINK_MAX 2147483647 | |
266 | ||
267 | /* The Linux kernel header mentioned this as a kind of generic value. */ | |
268 | #define LINUX_LINK_MAX 127 | |
269 | ||
270 | ||
271 | #endif /* linux_fsinfo.h */ |