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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_VFS_H_
#define _SYS_VFS_H_
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
/* The kernel's __kernel_fsid_t has a 'val' member but glibc uses '__val'. */
typedef struct { int __val[2]; } __fsid_t;
typedef __fsid_t fsid_t;
#if defined(__aarch64__) || defined(__x86_64__)
#define __STATFS64_BODY \
uint64_t f_type; \
uint64_t f_bsize; \
uint64_t f_blocks; \
uint64_t f_bfree; \
uint64_t f_bavail; \
uint64_t f_files; \
uint64_t f_ffree; \
fsid_t f_fsid; \
uint64_t f_namelen; \
uint64_t f_frsize; \
uint64_t f_flags; \
uint64_t f_spare[4]; \
#elif defined(__mips__) && defined(__LP64__)
/* 64-bit MIPS. */
#define __STATFS64_BODY \
uint64_t f_type; \
uint64_t f_bsize; \
uint64_t f_frsize; /* Fragment size - unsupported. */ \
uint64_t f_blocks; \
uint64_t f_bfree; \
uint64_t f_files; \
uint64_t f_ffree; \
uint64_t f_bavail; \
fsid_t f_fsid; \
uint64_t f_namelen; \
uint64_t f_flags; \
uint64_t f_spare[5]; \
#elif defined(__mips__)
/* 32-bit MIPS (corresponds to the kernel's statfs64 type). */
#define __STATFS64_BODY \
uint32_t f_type; \
uint32_t f_bsize; \
uint32_t f_frsize; \
uint32_t __pad; \
uint64_t f_blocks; \
uint64_t f_bfree; \
uint64_t f_files; \
uint64_t f_ffree; \
uint64_t f_bavail; \
fsid_t f_fsid; \
uint32_t f_namelen; \
uint32_t f_flags; \
uint32_t f_spare[5]; \
#else
/* 32-bit ARM or x86 (corresponds to the kernel's statfs64 type). */
#define __STATFS64_BODY \
uint32_t f_type; \
uint32_t f_bsize; \
uint64_t f_blocks; \
uint64_t f_bfree; \
uint64_t f_bavail; \
uint64_t f_files; \
uint64_t f_ffree; \
fsid_t f_fsid; \
uint32_t f_namelen; \
uint32_t f_frsize; \
uint32_t f_flags; \
uint32_t f_spare[4]; \
#endif
struct statfs { __STATFS64_BODY };
struct statfs64 { __STATFS64_BODY };
#undef __STATFS64_BODY
/* Declare that we have the f_namelen, f_frsize, and f_flags fields. */
#define _STATFS_F_NAMELEN
#define _STATFS_F_FRSIZE
#define _STATFS_F_FLAGS
/* Pull in the kernel magic numbers. */
#include <linux/magic.h>
/* Add in ones that we had historically that aren't in the uapi header. */
#define BEFS_SUPER_MAGIC 0x42465331
#define BFS_MAGIC 0x1BADFACE
#define CIFS_MAGIC_NUMBER 0xFF534D42
#define COH_SUPER_MAGIC 0x012FF7B7
#define DEVFS_SUPER_MAGIC 0x1373
#define EXT_SUPER_MAGIC 0x137D
#define EXT2_OLD_SUPER_MAGIC 0xEF51
#define HFS_SUPER_MAGIC 0x4244
#define JFS_SUPER_MAGIC 0x3153464a
#define NTFS_SB_MAGIC 0x5346544e
#define ROMFS_MAGIC 0x7275
#define SYSV2_SUPER_MAGIC 0x012FF7B6
#define SYSV4_SUPER_MAGIC 0x012FF7B5
#define UDF_SUPER_MAGIC 0x15013346
#define UFS_MAGIC 0x00011954
#define VXFS_SUPER_MAGIC 0xa501FCF5
#define XENIX_SUPER_MAGIC 0x012FF7B4
#define XFS_SUPER_MAGIC 0x58465342
extern int statfs(const char*, struct statfs*) __nonnull((1, 2));
extern int statfs64(const char*, struct statfs64*) __nonnull((1, 2));
extern int fstatfs(int, struct statfs*) __nonnull((2));
extern int fstatfs64(int, struct statfs64*) __nonnull((2));
__END_DECLS
#endif /* _SYS_VFS_H_ */
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