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145 lines
5.5 KiB
145 lines
5.5 KiB
/**************************************************************************** |
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* include/sys/statfs.h |
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* |
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* Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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 __INCLUDE_SYS_STATFS_H |
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#define __INCLUDE_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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#include <stdint.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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/* NuttX specific file-systems */ |
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#define BINFS_MAGIC 0x4242 |
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#define NXFFS_MAGIC 0x4747 |
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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_t f_type; /* Type of filesystem (see definitions above) */ |
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size_t f_namelen; /* Maximum length of filenames */ |
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size_t f_bsize; /* Optimal block size for transfers */ |
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off_t f_blocks; /* Total data blocks in the file system of this size */ |
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off_t f_bfree; /* Free blocks in the file system */ |
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off_t f_bavail; /* Free blocks avail to non-superuser */ |
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off_t f_files; /* Total file nodes in the file system */ |
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off_t f_ffree; /* Free file nodes in the file system */ |
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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 /* __INCLUDE_SYS_STATFS_H */
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