amd64 port: mainly on the pmap headers, identify_cpu and initcpu
[dragonfly/port-amd64.git] / sys / sys / statvfs.h
blobfed741997c376f44dfb00b6160af578631ae16fa
1 /*
2 * Copyright (c) 2005 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Jeroen Ruigrok van der Werven <asmodai@tendra.org>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
34 * $DragonFly: src/sys/sys/statvfs.h,v 1.5 2005/07/24 12:40:36 joerg Exp $
37 #ifndef _SYS_STATVFS_H_
38 #define _SYS_STATVFS_H_
40 #include <sys/types.h>
43 * The POSIX 1003.1 standard uses free and available nomenclature to mean the
44 * following:
45 * - free means all space, including privileged processes,
46 * - avail means all space available to unprivileged processes.
49 struct statvfs {
50 unsigned long f_bsize; /* file system block size */
51 unsigned long f_frsize; /* fundamental file system block size */
52 fsblkcnt_t f_blocks; /* total number of blocks on fs */
53 fsblkcnt_t f_bfree; /* total number of free blocks */
54 fsblkcnt_t f_bavail; /* total number of available blocks */
55 fsfilcnt_t f_files; /* total number of file serial num */
56 fsfilcnt_t f_ffree; /* total number of free file ser num */
57 fsfilcnt_t f_favail; /* total number of avail file ser num */
58 unsigned long f_fsid; /* file system ID */
59 unsigned long f_flag; /* bit mask of f_flag values */
60 unsigned long f_namemax; /* maximum filename length */
61 uid_t f_owner; /* user that mounted the filesystem */
62 unsigned int f_type; /* filesystem type */
64 uint64_t f_syncreads; /* count of sync reads since mount */
65 uint64_t f_syncwrites; /* count of sync writes since mount */
67 uint64_t f_asyncreads; /* count of async reads since mount */
68 uint64_t f_asyncwrites; /* count of async writes since mount */
70 uint32_t f_spare[8];
73 /* f_flag definitions */
74 #define ST_RDONLY 0x1 /* fs is read-only */
75 #define ST_NOSUID 0x2 /* fs does not support ST_ISUID or ST_ISGID */
77 __BEGIN_DECLS
78 int fstatvfs(int, struct statvfs *);
79 int statvfs(const char * __restrict, struct statvfs * __restrict);
80 __END_DECLS
82 #endif /* _SYS_STATVFS_H_ */