139 lines
5.3 KiB
C
139 lines
5.3 KiB
C
/****************************************************************************
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* include/sys/statfs.h
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*
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* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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*
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* 1. 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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* 2. 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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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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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
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __SYS_STATFS_H
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#define __SYS_STATFS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* struct statfs file system types. */
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#define ADFS_SUPER_MAGIC 0xadf5
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#define AFFS_SUPER_MAGIC 0xADFF
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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 CODA_SUPER_MAGIC 0x73757245
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#define COH_SUPER_MAGIC 0x012FF7B7
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#define CRAMFS_MAGIC 0x28cd3d45
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#define DEVFS_SUPER_MAGIC 0x1373
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#define EFS_SUPER_MAGIC 0x00414A53
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#define EXT_SUPER_MAGIC 0x137D
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#define EXT2_OLD_SUPER_MAGIC 0xEF51
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#define EXT2_SUPER_MAGIC 0xEF53
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#define EXT3_SUPER_MAGIC 0xEF53
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#define HFS_SUPER_MAGIC 0x4244
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#define HPFS_SUPER_MAGIC 0xF995E849
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#define HUGETLBFS_MAGIC 0x958458f6
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#define ISOFS_SUPER_MAGIC 0x9660
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#define JFFS2_SUPER_MAGIC 0x72b6
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#define JFS_SUPER_MAGIC 0x3153464a
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#define MINIX_SUPER_MAGIC 0x137F /* orig. minix */
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#define MINIX_SUPER_MAGIC2 0x138F /* 30 char minix */
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#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 */
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#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2, 30 char names */
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#define MSDOS_SUPER_MAGIC 0x4d44
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#define NCP_SUPER_MAGIC 0x564c
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#define NFS_SUPER_MAGIC 0x6969
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#define NTFS_SB_MAGIC 0x5346544e
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#define OPENPROM_SUPER_MAGIC 0x9fa1
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#define PROC_SUPER_MAGIC 0x9fa0
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#define QNX4_SUPER_MAGIC 0x002f
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#define REISERFS_SUPER_MAGIC 0x52654973
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#define ROMFS_MAGIC 0x7275
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#define SMB_SUPER_MAGIC 0x517B
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#define SYSV2_SUPER_MAGIC 0x012FF7B6
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#define SYSV4_SUPER_MAGIC 0x012FF7B5
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#define TMPFS_MAGIC 0x01021994
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#define UDF_SUPER_MAGIC 0x15013346
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#define UFS_MAGIC 0x00011954
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#define USBDEVICE_SUPER_MAGIC 0x9fa2
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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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#define _XIAFS_SUPER_MAGIC 0x012FD16D
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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struct statfs
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{
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uint32 f_type; /* Type of filesystem (see definitions above) */
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size_t f_bsize; /* Optimal block size for transfers */
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size_t f_blocks; /* Total data blocks in the file system of this size */
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size_t f_bfree; /* Free blocks in the file system */
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size_t f_bavail; /* Free blocks avail to non-superuser */
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size_t f_files; /* Total file nodes in the file system */
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size_t f_ffree; /* Free file nodes in the file system */
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uint32 f_namelen; /* Maximum length of filenames */
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* Inspired by Linux statfs() which was, in turn, inspired by
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* the BSD statfs(). None of these implementations agree in the
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* form of the struct statfs.
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*/
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EXTERN int statfs(const char *path, struct statfs *buf);
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EXTERN int fstatfs(int fd, struct statfs *buf);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __SYS_STATFS_H */
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