vfs.h revision 16af6afb9a70fd69aa014817c9aefbe09d692a16 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#ifndef _SYS_VFS_H_
29#define _SYS_VFS_H_
30
31#include <stdint.h>
32#include <sys/cdefs.h>
33#include <sys/types.h>
34
35__BEGIN_DECLS
36
37/* The kernel's __kernel_fsid_t has a 'val' member but glibc uses '__val'. */
38typedef struct { int __val[2]; } __fsid_t;
39
40/* Our struct statfs corresponds to the kernel's statfs64 type. */
41#ifdef __mips__
42struct statfs {
43    uint32_t f_type;
44    uint32_t f_bsize;
45    uint32_t f_frsize;
46    uint32_t __pad;
47    uint64_t f_blocks;
48    uint64_t f_bfree;
49    uint64_t f_files;
50    uint64_t f_ffree;
51    uint64_t f_bavail;
52    __fsid_t f_fsid;
53    uint32_t f_namelen;
54    uint32_t f_flags;
55    uint32_t f_spare[5];
56};
57#else
58struct statfs {
59    uint32_t f_type;
60    uint32_t f_bsize;
61    uint64_t f_blocks;
62    uint64_t f_bfree;
63    uint64_t f_bavail;
64    uint64_t f_files;
65    uint64_t f_ffree;
66    __fsid_t f_fsid;
67    uint32_t f_namelen;
68    uint32_t f_frsize;
69    uint32_t f_flags;
70    uint32_t f_spare[4];
71};
72#endif
73
74#define  ADFS_SUPER_MAGIC      0xadf5
75#define  AFFS_SUPER_MAGIC      0xADFF
76#define  BEFS_SUPER_MAGIC      0x42465331
77#define  BFS_MAGIC             0x1BADFACE
78#define  CIFS_MAGIC_NUMBER     0xFF534D42
79#define  CODA_SUPER_MAGIC      0x73757245
80#define  COH_SUPER_MAGIC       0x012FF7B7
81#define  CRAMFS_MAGIC          0x28cd3d45
82#define  DEVFS_SUPER_MAGIC     0x1373
83#define  EFS_SUPER_MAGIC       0x00414A53
84#define  EXT_SUPER_MAGIC       0x137D
85#define  EXT2_OLD_SUPER_MAGIC  0xEF51
86#define  EXT2_SUPER_MAGIC      0xEF53
87#define  EXT3_SUPER_MAGIC      0xEF53
88#define  HFS_SUPER_MAGIC       0x4244
89#define  HPFS_SUPER_MAGIC      0xF995E849
90#define  HUGETLBFS_MAGIC       0x958458f6
91#define  ISOFS_SUPER_MAGIC     0x9660
92#define  JFFS2_SUPER_MAGIC     0x72b6
93#define  JFS_SUPER_MAGIC       0x3153464a
94#define  MINIX_SUPER_MAGIC     0x137F /* orig. minix */
95#define  MINIX_SUPER_MAGIC2    0x138F /* 30 char minix */
96#define  MINIX2_SUPER_MAGIC    0x2468 /* minix V2 */
97#define  MINIX2_SUPER_MAGIC2   0x2478 /* minix V2, 30 char names */
98#define  MSDOS_SUPER_MAGIC     0x4d44
99#define  NCP_SUPER_MAGIC       0x564c
100#define  NFS_SUPER_MAGIC       0x6969
101#define  NTFS_SB_MAGIC         0x5346544e
102#define  OPENPROM_SUPER_MAGIC  0x9fa1
103#define  PROC_SUPER_MAGIC      0x9fa0
104#define  QNX4_SUPER_MAGIC      0x002f
105#define  REISERFS_SUPER_MAGIC  0x52654973
106#define  ROMFS_MAGIC           0x7275
107#define  SMB_SUPER_MAGIC       0x517B
108#define  SYSV2_SUPER_MAGIC     0x012FF7B6
109#define  SYSV4_SUPER_MAGIC     0x012FF7B5
110#define  TMPFS_MAGIC           0x01021994
111#define  UDF_SUPER_MAGIC       0x15013346
112#define  UFS_MAGIC             0x00011954
113#define  USBDEVICE_SUPER_MAGIC 0x9fa2
114#define  VXFS_SUPER_MAGIC      0xa501FCF5
115#define  XENIX_SUPER_MAGIC     0x012FF7B4
116#define  XFS_SUPER_MAGIC       0x58465342
117#define  _XIAFS_SUPER_MAGIC    0x012FD16D
118
119extern int statfs(const char *, struct statfs *);
120extern int fstatfs(int, struct statfs *);
121
122__END_DECLS
123
124#endif /* _SYS_VFS_H_ */
125