1 | /* $NetBSD: statvfs.h,v 1.18 2013/04/05 17:34:27 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2004 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Christos Zoulas. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _SYS_STATVFS_H_ |
33 | #define _SYS_STATVFS_H_ |
34 | |
35 | #include <sys/cdefs.h> |
36 | #include <sys/featuretest.h> |
37 | #include <sys/stdint.h> |
38 | #include <machine/ansi.h> |
39 | #include <sys/ansi.h> |
40 | #include <sys/fstypes.h> |
41 | |
42 | #define _VFS_NAMELEN 32 |
43 | #define _VFS_MNAMELEN 1024 |
44 | |
45 | #ifndef fsblkcnt_t |
46 | typedef __fsblkcnt_t fsblkcnt_t; /* fs block count (statvfs) */ |
47 | #define fsblkcnt_t __fsblkcnt_t |
48 | #endif |
49 | |
50 | #ifndef fsfilcnt_t |
51 | typedef __fsfilcnt_t fsfilcnt_t; /* fs file count */ |
52 | #define fsfilcnt_t __fsfilcnt_t |
53 | #endif |
54 | |
55 | #ifndef uid_t |
56 | typedef __uid_t uid_t; /* user id */ |
57 | #define uid_t __uid_t |
58 | #endif |
59 | |
60 | #ifdef _BSD_SIZE_T_ |
61 | typedef _BSD_SIZE_T_ size_t; |
62 | #define _SIZE_T |
63 | #undef _BSD_SIZE_T_ |
64 | #endif |
65 | |
66 | struct statvfs { |
67 | unsigned long f_flag; /* copy of mount exported flags */ |
68 | unsigned long f_bsize; /* file system block size */ |
69 | unsigned long f_frsize; /* fundamental file system block size */ |
70 | unsigned long f_iosize; /* optimal file system block size */ |
71 | |
72 | /* The following are in units of f_frsize */ |
73 | fsblkcnt_t f_blocks; /* number of blocks in file system, */ |
74 | fsblkcnt_t f_bfree; /* free blocks avail in file system */ |
75 | fsblkcnt_t f_bavail; /* free blocks avail to non-root */ |
76 | fsblkcnt_t f_bresvd; /* blocks reserved for root */ |
77 | |
78 | fsfilcnt_t f_files; /* total file nodes in file system */ |
79 | fsfilcnt_t f_ffree; /* free file nodes in file system */ |
80 | fsfilcnt_t f_favail; /* free file nodes avail to non-root */ |
81 | fsfilcnt_t f_fresvd; /* file nodes reserved for root */ |
82 | |
83 | uint64_t f_syncreads; /* count of sync reads since mount */ |
84 | uint64_t f_syncwrites; /* count of sync writes since mount */ |
85 | |
86 | uint64_t f_asyncreads; /* count of async reads since mount */ |
87 | uint64_t f_asyncwrites; /* count of async writes since mount */ |
88 | |
89 | fsid_t f_fsidx; /* NetBSD compatible fsid */ |
90 | unsigned long f_fsid; /* Posix compatible fsid */ |
91 | unsigned long f_namemax; /* maximum filename length */ |
92 | uid_t f_owner; /* user that mounted the file system */ |
93 | |
94 | uint32_t f_spare[4]; /* spare space */ |
95 | |
96 | char f_fstypename[_VFS_NAMELEN]; /* fs type name */ |
97 | char f_mntonname[_VFS_MNAMELEN]; /* directory on which mounted */ |
98 | char f_mntfromname[_VFS_MNAMELEN]; /* mounted file system */ |
99 | |
100 | }; |
101 | |
102 | #if defined(_NETBSD_SOURCE) && !defined(_POSIX_SOURCE) && \ |
103 | !defined(_XOPEN_SOURCE) |
104 | #define VFS_NAMELEN _VFS_NAMELEN |
105 | #define VFS_MNAMELEN _VFS_MNAMELEN |
106 | #endif |
107 | |
108 | #define ST_RDONLY MNT_RDONLY |
109 | #define ST_SYNCHRONOUS MNT_SYNCHRONOUS |
110 | #define ST_NOEXEC MNT_NOEXEC |
111 | #define ST_NOSUID MNT_NOSUID |
112 | #define ST_NODEV MNT_NODEV |
113 | #define ST_UNION MNT_UNION |
114 | #define ST_ASYNC MNT_ASYNC |
115 | #define ST_NOCOREDUMP MNT_NOCOREDUMP |
116 | #define ST_RELATIME MNT_RELATIME |
117 | #define ST_IGNORE MNT_IGNORE |
118 | #define ST_NOATIME MNT_NOATIME |
119 | #define ST_SYMPERM MNT_SYMPERM |
120 | #define ST_NODEVMTIME MNT_NODEVMTIME |
121 | #define ST_SOFTDEP MNT_SOFTDEP |
122 | #define ST_LOG MNT_LOG |
123 | #define ST_EXTATTR MNT_EXTATTR |
124 | |
125 | #define ST_EXRDONLY MNT_EXRDONLY |
126 | #define ST_EXPORTED MNT_EXPORTED |
127 | #define ST_DEFEXPORTED MNT_DEFEXPORTED |
128 | #define ST_EXPORTANON MNT_EXPORTANON |
129 | #define ST_EXKERB MNT_EXKERB |
130 | #define ST_EXNORESPORT MNT_EXNORESPORT |
131 | #define ST_EXPUBLIC MNT_EXPUBLIC |
132 | |
133 | #define ST_LOCAL MNT_LOCAL |
134 | #define ST_QUOTA MNT_QUOTA |
135 | #define ST_ROOTFS MNT_ROOTFS |
136 | |
137 | |
138 | #define ST_WAIT MNT_WAIT |
139 | #define ST_NOWAIT MNT_NOWAIT |
140 | |
141 | #if defined(_KERNEL) || defined(_STANDALONE) |
142 | struct mount; |
143 | struct lwp; |
144 | |
145 | int set_statvfs_info(const char *, int, const char *, int, |
146 | const char *, struct mount *, struct lwp *); |
147 | void copy_statvfs_info(struct statvfs *, const struct mount *); |
148 | int dostatvfs(struct mount *, struct statvfs *, struct lwp *, int, int); |
149 | #else |
150 | __BEGIN_DECLS |
151 | int statvfs(const char *__restrict, struct statvfs *__restrict); |
152 | int fstatvfs(int, struct statvfs *); |
153 | int getvfsstat(struct statvfs *, size_t, int); |
154 | #ifndef __LIBC12_SOURCE__ |
155 | int getmntinfo(struct statvfs **, int) __RENAME(__getmntinfo13); |
156 | #endif /* __LIBC12_SOURCE__ */ |
157 | #if defined(_NETBSD_SOURCE) |
158 | #ifndef __LIBC12_SOURCE__ |
159 | int fhstatvfs(const void *, size_t, struct statvfs *) |
160 | __RENAME(__fhstatvfs40); |
161 | #endif |
162 | |
163 | int statvfs1(const char *__restrict, struct statvfs *__restrict, int); |
164 | int fstatvfs1(int, struct statvfs *, int); |
165 | #ifndef __LIBC12_SOURCE__ |
166 | int fhstatvfs1(const void *, size_t, struct statvfs *, int) |
167 | __RENAME(__fhstatvfs140); |
168 | #endif |
169 | #endif /* _NETBSD_SOURCE */ |
170 | __END_DECLS |
171 | #endif /* _KERNEL || _STANDALONE */ |
172 | |
173 | #if defined(_KERNEL) |
174 | #include <sys/kmem.h> |
175 | #define STATVFSBUF_GET() kmem_alloc(sizeof(struct statvfs), KM_SLEEP) |
176 | #define STATVFSBUF_PUT(sb) kmem_free(sb, sizeof(struct statvfs)) |
177 | #endif /* defined(_KERNEL) */ |
178 | |
179 | #endif /* !_SYS_STATVFS_H_ */ |
180 | |