fix issues with gdb 8.0
[uclibc-ng.git] / include / sys / quota.h
blob316febe875345940978c563b57c32c047428051c
1 /* This just represents the non-kernel parts of <linux/quota.h>.
3 * here's the corresponding copyright:
4 * Copyright (c) 1982, 1986 Regents of the University of California.
5 * All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Robert Elz at The University of Melbourne.
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 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
35 #ifndef _SYS_QUOTA_H
36 #define _SYS_QUOTA_H 1
38 #include <features.h>
39 #include <sys/types.h>
42 * Select between different incompatible quota versions.
43 * Default to the version used by Linux kernel version 2.4.22
44 * or later. */
45 #ifndef _LINUX_QUOTA_VERSION
46 # define _LINUX_QUOTA_VERSION 2
47 #endif
50 * Convert diskblocks to blocks and the other way around.
51 * currently only to fool the BSD source. :-)
53 #define dbtob(num) ((num) << 10)
54 #define btodb(num) ((num) >> 10)
57 * Convert count of filesystem blocks to diskquota blocks, meant
58 * for filesystems where i_blksize != BLOCK_SIZE
60 #define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / BLOCK_SIZE)
63 * Definitions for disk quotas imposed on the average user
64 * (big brother finally hits Linux).
66 * The following constants define the amount of time given a user
67 * before the soft limits are treated as hard limits (usually resulting
68 * in an allocation failure). The timer is started when the user crosses
69 * their soft limit, it is reset when they go below their soft limit.
71 #define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
72 #define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
74 #define MAXQUOTAS 2
75 #define USRQUOTA 0 /* element used for user quotas */
76 #define GRPQUOTA 1 /* element used for group quotas */
79 * Definitions for the default names of the quotas files.
81 #define INITQFNAMES { \
82 "user", /* USRQUOTA */ \
83 "group", /* GRPQUOTA */ \
84 "undefined", \
87 #define QUOTAFILENAME "quota"
88 #define QUOTAGROUP "staff"
90 #define NR_DQHASH 43 /* Just an arbitrary number any suggestions ? */
91 #define NR_DQUOTS 256 /* Number of quotas active at one time */
94 * Command definitions for the 'quotactl' system call.
95 * The commands are broken into a main command defined below
96 * and a subcommand that is used to convey the type of
97 * quota that is being manipulated (see above).
99 #define SUBCMDMASK 0x00ff
100 #define SUBCMDSHIFT 8
101 #define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
103 #if _LINUX_QUOTA_VERSION < 2
104 # define Q_QUOTAON 0x0100 /* enable quotas */
105 # define Q_QUOTAOFF 0x0200 /* disable quotas */
106 # define Q_GETQUOTA 0x0300 /* get limits and usage */
107 # define Q_SETQUOTA 0x0400 /* set limits and usage */
108 # define Q_SETUSE 0x0500 /* set usage */
109 # define Q_SYNC 0x0600 /* sync disk copy of a filesystems quotas */
110 # define Q_SETQLIM 0x0700 /* set limits */
111 # define Q_GETSTATS 0x0800 /* get collected stats */
112 # define Q_RSQUASH 0x1000 /* set root_squash option */
113 #else
114 # define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
115 # define Q_QUOTAON 0x800002 /* turn quotas on */
116 # define Q_QUOTAOFF 0x800003 /* turn quotas off */
117 # define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
118 # define Q_GETINFO 0x800005 /* get information about quota files */
119 # define Q_SETINFO 0x800006 /* set information about quota files */
120 # define Q_GETQUOTA 0x800007 /* get user quota structure */
121 # define Q_SETQUOTA 0x800008 /* set user quota structure */
122 # define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */
123 #endif
126 * The following structure defines the format of the disk quota file
127 * (as it appears on disk) - the file is an array of these structures
128 * indexed by user or group number.
130 #if _LINUX_QUOTA_VERSION < 2
131 struct dqblk
133 u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
134 u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
135 u_int32_t dqb_curblocks; /* current block count */
136 u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
137 u_int32_t dqb_isoftlimit; /* preferred inode limit */
138 u_int32_t dqb_curinodes; /* current # allocated inodes */
139 time_t dqb_btime; /* time limit for excessive disk use */
140 time_t dqb_itime; /* time limit for excessive files */
142 #else
144 /* Flags that indicate which fields in dqblk structure are valid. */
145 #define QIF_BLIMITS 1
146 #define QIF_SPACE 2
147 #define QIF_ILIMITS 4
148 #define QIF_INODES 8
149 #define QIF_BTIME 16
150 #define QIF_ITIME 32
151 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
152 #define QIF_USAGE (QIF_SPACE | QIF_INODES)
153 #define QIF_TIMES (QIF_BTIME | QIF_ITIME)
154 #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
156 struct dqblk
158 u_int64_t dqb_bhardlimit; /* absolute limit on disk quota blocks alloc */
159 u_int64_t dqb_bsoftlimit; /* preferred limit on disk quota blocks */
160 u_int64_t dqb_curspace; /* current quota block count */
161 u_int64_t dqb_ihardlimit; /* maximum # allocated inodes */
162 u_int64_t dqb_isoftlimit; /* preferred inode limit */
163 u_int64_t dqb_curinodes; /* current # allocated inodes */
164 u_int64_t dqb_btime; /* time limit for excessive disk use */
165 u_int64_t dqb_itime; /* time limit for excessive files */
166 u_int32_t dqb_valid; /* bitmask of QIF_* constants */
168 #endif
171 * Shorthand notation.
173 #define dq_bhardlimit dq_dqb.dqb_bhardlimit
174 #define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
175 #if _LINUX_QUOTA_VERSION < 2
176 # define dq_curblocks dq_dqb.dqb_curblocks
177 #else
178 # define dq_curspace dq_dqb.dqb_curspace
179 # define dq_valid dq_dqb.dqb_valid
180 #endif
181 #define dq_ihardlimit dq_dqb.dqb_ihardlimit
182 #define dq_isoftlimit dq_dqb.dqb_isoftlimit
183 #define dq_curinodes dq_dqb.dqb_curinodes
184 #define dq_btime dq_dqb.dqb_btime
185 #define dq_itime dq_dqb.dqb_itime
187 #define dqoff(UID) ((loff_t)((UID) * sizeof (struct dqblk)))
189 #if _LINUX_QUOTA_VERSION < 2
190 struct dqstats
192 u_int32_t lookups;
193 u_int32_t drops;
194 u_int32_t reads;
195 u_int32_t writes;
196 u_int32_t cache_hits;
197 u_int32_t pages_allocated;
198 u_int32_t allocated_dquots;
199 u_int32_t free_dquots;
200 u_int32_t syncs;
202 #else
204 /* Flags that indicate which fields in dqinfo structure are valid. */
205 # define IIF_BGRACE 1
206 # define IIF_IGRACE 2
207 # define IIF_FLAGS 4
208 # define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
210 struct dqinfo
212 u_int64_t dqi_bgrace;
213 u_int64_t dqi_igrace;
214 u_int32_t dqi_flags;
215 u_int32_t dqi_valid;
217 #endif
219 __BEGIN_DECLS
221 extern int quotactl (int __cmd, const char *__special, int __id,
222 caddr_t __addr) __THROW;
224 __END_DECLS
226 #endif /* sys/quota.h */