150 lines
5.3 KiB
C
150 lines
5.3 KiB
C
/****************************************************************************
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* include/sys/statfs.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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#define SPIFFS_SUPER_MAGIC 0x20090315
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#define LITTLEFS_SUPER_MAGIC 0x0a732923
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/* NuttX specific file-systems */
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#define BINFS_MAGIC 0x4242
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#define PROCFS_MAGIC 0x434f5250
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#define NXFFS_MAGIC 0x4747
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#define SMARTFS_MAGIC 0x54524D53
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#define UNIONFS_MAGIC 0x53464e55
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#define HOSTFS_MAGIC 0x54534f48
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#define USERFS_MAGIC 0x52455355
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#define CROMFS_MAGIC 0x4d4f5243
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#define RPMSGFS_MAGIC 0x54534f47
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#define ZIPFS_MAGIC 0x504b
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#if defined(CONFIG_FS_LARGEFILE)
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# define statfs64 statfs
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# define fstatfs64 fstatfs
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#endif
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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typedef struct fsid_s fsid_t;
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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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fsblkcnt_t f_blocks; /* Total data blocks in the file system of this size */
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fsblkcnt_t f_bfree; /* Free blocks in the file system */
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fsblkcnt_t f_bavail; /* Free blocks avail to non-superuser */
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fsfilcnt_t f_files; /* Total file nodes in the file system */
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fsfilcnt_t f_ffree; /* Free file nodes in the file system */
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fsid_t f_fsid; /* Encode device type, not yet in use */
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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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{
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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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int statfs(FAR const char *path, FAR struct statfs *buf);
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int fstatfs(int fd, FAR 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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