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