| /**************************************************************************** |
| * include/sys/statfs.h |
| * |
| * Copyright (C) 2007-2009, 2011-2013 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 PROCFS_MAGIC 0x434f5250 |
| #define NXFFS_MAGIC 0x4747 |
| #define SMARTFS_MAGIC 0x54524D53 |
| |
| /**************************************************************************** |
| * 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 */ |