1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23/* All Rights Reserved */ 24 25 26/* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31#ifndef _SYS_STATVFS_H 32#define _SYS_STATVFS_H 33 34#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.10 */ 35 36#include <sys/feature_tests.h> 37#include <sys/types.h> 38 39#ifdef __cplusplus 40extern "C" { 41#endif 42 43/* 44 * Structure returned by statvfs(2). 45 */ 46 47#define _FSTYPSZ 16 48#if !defined(_XPG4_2) || defined(__EXTENSIONS__) 49#ifndef FSTYPSZ 50#define FSTYPSZ _FSTYPSZ 51#endif 52#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 53 54typedef struct statvfs { 55 unsigned long f_bsize; /* fundamental file system block size */ 56 unsigned long f_frsize; /* fragment size */ 57 fsblkcnt_t f_blocks; /* total blocks of f_frsize on fs */ 58 fsblkcnt_t f_bfree; /* total free blocks of f_frsize */ 59 fsblkcnt_t f_bavail; /* free blocks avail to non-superuser */ 60 fsfilcnt_t f_files; /* total file nodes (inodes) */ 61 fsfilcnt_t f_ffree; /* total free file nodes */ 62 fsfilcnt_t f_favail; /* free nodes avail to non-superuser */ 63 unsigned long f_fsid; /* file system id (dev for now) */ 64 char f_basetype[_FSTYPSZ]; /* target fs type name, */ 65 /* null-terminated */ 66 unsigned long f_flag; /* bit-mask of flags */ 67 unsigned long f_namemax; /* maximum file name length */ 68 char f_fstr[32]; /* filesystem-specific string */ 69#if !defined(_LP64) 70 unsigned long f_filler[16]; /* reserved for future expansion */ 71#endif 72} statvfs_t; 73 74#if defined(_SYSCALL32) 75 76/* Kernel view of user ILP32 statvfs structure */ 77 78typedef struct statvfs32 { 79 uint32_t f_bsize; /* fundamental file system block size */ 80 uint32_t f_frsize; /* fragment size */ 81 fsblkcnt32_t f_blocks; /* total blocks of f_frsize on fs */ 82 fsblkcnt32_t f_bfree; /* total free blocks of f_frsize */ 83 fsblkcnt32_t f_bavail; /* free blocks avail to non-superuser */ 84 fsfilcnt32_t f_files; /* total file nodes (inodes) */ 85 fsfilcnt32_t f_ffree; /* total free file nodes */ 86 fsfilcnt32_t f_favail; /* free nodes avail to non-superuser */ 87 uint32_t f_fsid; /* file system id (dev for now) */ 88 char f_basetype[_FSTYPSZ]; /* target fs type name, */ 89 /* null-terminated */ 90 uint32_t f_flag; /* bit-mask of flags */ 91 uint32_t f_namemax; /* maximum file name length */ 92 char f_fstr[32]; /* filesystem-specific string */ 93 uint32_t f_filler[16]; /* reserved for future expansion */ 94} statvfs32_t; 95 96#endif /* _SYSCALL32 */ 97 98/* transitional large file interface version */ 99#if defined(_LARGEFILE64_SOURCE) 100typedef struct statvfs64 { 101 unsigned long f_bsize; /* preferred file system block size */ 102 unsigned long f_frsize; /* fundamental file system block size */ 103 fsblkcnt64_t f_blocks; /* total blocks of f_frsize */ 104 fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */ 105 fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */ 106 fsfilcnt64_t f_files; /* total # of file nodes (inodes) */ 107 fsfilcnt64_t f_ffree; /* total # of free file nodes */ 108 fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */ 109 unsigned long f_fsid; /* file system id (dev for now) */ 110 char f_basetype[FSTYPSZ]; /* target fs type name, */ 111 /* null-terminated */ 112 unsigned long f_flag; /* bit-mask of flags */ 113 unsigned long f_namemax; /* maximum file name length */ 114 char f_fstr[32]; /* filesystem-specific string */ 115#if !defined(_LP64) 116 unsigned long f_filler[16]; /* reserved for future expansion */ 117#endif /* _LP64 */ 118} statvfs64_t; 119#endif 120 121#if defined(_SYSCALL32) 122 123/* Kernel view of user ILP32 statvfs64 structure */ 124 125#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 126#pragma pack(4) 127#endif 128 129typedef struct statvfs64_32 { 130 uint32_t f_bsize; /* preferred file system block size */ 131 uint32_t f_frsize; /* fundamental file system block size */ 132 fsblkcnt64_t f_blocks; /* total blocks of f_frsize */ 133 fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */ 134 fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */ 135 fsfilcnt64_t f_files; /* total # of file nodes (inodes) */ 136 fsfilcnt64_t f_ffree; /* total # of free file nodes */ 137 fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */ 138 uint32_t f_fsid; /* file system id (dev for now) */ 139 char f_basetype[FSTYPSZ]; /* target fs type name, */ 140 /* null-terminated */ 141 uint32_t f_flag; /* bit-mask of flags */ 142 uint32_t f_namemax; /* maximum file name length */ 143 char f_fstr[32]; /* filesystem-specific string */ 144 uint32_t f_filler[16]; /* reserved for future expansion */ 145} statvfs64_32_t; 146 147#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 148#pragma pack() 149#endif 150 151#endif /* _SYSCALL32 */ 152 153/* 154 * Flag definitions. 155 */ 156 157#define ST_RDONLY 0x01 /* read-only file system */ 158#define ST_NOSUID 0x02 /* does not support setuid/setgid semantics */ 159#define ST_NOTRUNC 0x04 /* does not truncate long file names */ 160 161#if !defined(_KERNEL) 162/* 163 * large file compilation environment setup 164 */ 165#if !defined(_LP64) && _FILE_OFFSET_BITS == 64 166#ifdef __PRAGMA_REDEFINE_EXTNAME 167#pragma redefine_extname statvfs statvfs64 168#pragma redefine_extname fstatvfs fstatvfs64 169#else 170#define statvfs_t statvfs64_t 171#define statvfs statvfs64 172#define fstatvfs fstatvfs64 173#endif 174#endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ 175 176#if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 177/* 178 * In the LP64 compilation environment, map large file interfaces 179 * back to native versions where possible. 180 */ 181#ifdef __PRAGMA_REDEFINE_EXTNAME 182#pragma redefine_extname statvfs64 statvfs 183#pragma redefine_extname fstatvfs64 fstatvfs 184#else 185#define statvfs64_t statvfs_t 186#define statvfs64 statvfs 187#define fstatvfs64 fstatvfs 188#endif 189#endif /* _LP64 && _LARGEFILE64_SOURCE */ 190 191#if defined(__STDC__) 192int statvfs(const char *_RESTRICT_KYWD, statvfs_t *_RESTRICT_KYWD); 193int fstatvfs(int, statvfs_t *); 194 195/* transitional large file interface versions */ 196#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 197 !defined(__PRAGMA_REDEFINE_EXTNAME)) 198int statvfs64(const char *_RESTRICT_KYWD, statvfs64_t *_RESTRICT_KYWD); 199int fstatvfs64(int, statvfs64_t *); 200#endif /* _LARGEFILE64_SOURCE... */ 201#endif /* defined(__STDC__) */ 202#endif /* !defined(_KERNEL) */ 203 204#ifdef __cplusplus 205} 206#endif 207 208#endif /* _SYS_STATVFS_H */ 209