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Diffstat (limited to 'nuttx/include/sys/statfs.h')
| -rw-r--r-- | nuttx/include/sys/statfs.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/nuttx/include/sys/statfs.h b/nuttx/include/sys/statfs.h new file mode 100644 index 000000000..70e963dd9 --- /dev/null +++ b/nuttx/include/sys/statfs.h @@ -0,0 +1,145 @@ +/**************************************************************************** + * include/sys/statfs.h + * + * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 __INCLUDE_SYS_STATFS_H +#define __INCLUDE_SYS_STATFS_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <stdint.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* struct statfs file system types. */ + +#define ADFS_SUPER_MAGIC 0xadf5 +#define AFFS_SUPER_MAGIC 0xadff +#define BEFS_SUPER_MAGIC 0x42465331 +#define BFS_MAGIC 0x1badface +#define CIFS_MAGIC_NUMBER 0xff534d42 +#define CODA_SUPER_MAGIC 0x73757245 +#define COH_SUPER_MAGIC 0x012ff7b7 +#define CRAMFS_MAGIC 0x28cd3d45 +#define DEVFS_SUPER_MAGIC 0x1373 +#define EFS_SUPER_MAGIC 0x00414a53 +#define EXT_SUPER_MAGIC 0x137d +#define EXT2_OLD_SUPER_MAGIC 0xef51 +#define EXT2_SUPER_MAGIC 0xef53 +#define EXT3_SUPER_MAGIC 0xef53 +#define HFS_SUPER_MAGIC 0x4244 +#define HPFS_SUPER_MAGIC 0xf995e849 +#define HUGETLBFS_MAGIC 0x958458f6 +#define ISOFS_SUPER_MAGIC 0x9660 +#define JFFS2_SUPER_MAGIC 0x72b6 +#define JFS_SUPER_MAGIC 0x3153464a +#define MINIX_SUPER_MAGIC 0x137f /* orig. minix */ +#define MINIX_SUPER_MAGIC2 0x138f /* 30 char minix */ +#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 */ +#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2, 30 char names */ +#define MSDOS_SUPER_MAGIC 0x4d44 +#define NCP_SUPER_MAGIC 0x564c +#define NFS_SUPER_MAGIC 0x6969 +#define NTFS_SB_MAGIC 0x5346544e +#define OPENPROM_SUPER_MAGIC 0x9fa1 +#define PROC_SUPER_MAGIC 0x9fa0 +#define QNX4_SUPER_MAGIC 0x002f +#define REISERFS_SUPER_MAGIC 0x52654973 +#define ROMFS_MAGIC 0x7275 +#define SMB_SUPER_MAGIC 0x517B +#define SYSV2_SUPER_MAGIC 0x012ff7b6 +#define SYSV4_SUPER_MAGIC 0x012FF7B5 +#define TMPFS_MAGIC 0x01021994 +#define UDF_SUPER_MAGIC 0x15013346 +#define UFS_MAGIC 0x00011954 +#define USBDEVICE_SUPER_MAGIC 0x9fa2 +#define VXFS_SUPER_MAGIC 0xa501fcf5 +#define XENIX_SUPER_MAGIC 0x012ff7b4 +#define XFS_SUPER_MAGIC 0x58465342 +#define _XIAFS_SUPER_MAGIC 0x012fd16d + +/* NuttX specific file-systems */ + +#define BINFS_MAGIC 0x4242 +#define NXFFS_MAGIC 0x4747 + +/**************************************************************************** + * Type Definitions + ****************************************************************************/ + +struct statfs +{ + uint32_t f_type; /* Type of filesystem (see definitions above) */ + size_t f_namelen; /* Maximum length of filenames */ + size_t f_bsize; /* Optimal block size for transfers */ + off_t f_blocks; /* Total data blocks in the file system of this size */ + off_t f_bfree; /* Free blocks in the file system */ + off_t f_bavail; /* Free blocks avail to non-superuser */ + off_t f_files; /* Total file nodes in the file system */ + off_t f_ffree; /* Free file nodes in the file system */ +}; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* Inspired by Linux statfs() which was, in turn, inspired by + * the BSD statfs(). None of these implementations agree in the + * form of the struct statfs. + */ + +EXTERN int statfs(const char *path, struct statfs *buf); +EXTERN int fstatfs(int fd, struct statfs *buf); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_SYS_STATFS_H */ |