blob: 3b6cfbeb086d87c8812931490ad70ddcd7f98b95 [file] [log] [blame]
David Howells607ca462012-10-13 10:46:48 +01001/*
2 * Copyright (c) 1982, 1986 Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Robert Elz at The University of Melbourne.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * 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 the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef _UAPI_LINUX_QUOTA_
34#define _UAPI_LINUX_QUOTA_
35
36#include <linux/errno.h>
37#include <linux/types.h>
38
39#define __DQUOT_VERSION__ "dquot_6.5.2"
40
41#define MAXQUOTAS 2
42#define USRQUOTA 0 /* element used for user quotas */
43#define GRPQUOTA 1 /* element used for group quotas */
44
45/*
46 * Definitions for the default names of the quotas files.
47 */
48#define INITQFNAMES { \
49 "user", /* USRQUOTA */ \
50 "group", /* GRPQUOTA */ \
51 "undefined", \
52};
53
54/*
55 * Command definitions for the 'quotactl' system call.
56 * The commands are broken into a main command defined below
57 * and a subcommand that is used to convey the type of
58 * quota that is being manipulated (see above).
59 */
60#define SUBCMDMASK 0x00ff
61#define SUBCMDSHIFT 8
62#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
63
64#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
65#define Q_QUOTAON 0x800002 /* turn quotas on */
66#define Q_QUOTAOFF 0x800003 /* turn quotas off */
67#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
68#define Q_GETINFO 0x800005 /* get information about quota files */
69#define Q_SETINFO 0x800006 /* set information about quota files */
70#define Q_GETQUOTA 0x800007 /* get user quota structure */
71#define Q_SETQUOTA 0x800008 /* set user quota structure */
72
73/* Quota format type IDs */
74#define QFMT_VFS_OLD 1
75#define QFMT_VFS_V0 2
76#define QFMT_OCFS2 3
77#define QFMT_VFS_V1 4
78
79/* Size of block in which space limits are passed through the quota
80 * interface */
81#define QIF_DQBLKSIZE_BITS 10
82#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
83
84/*
85 * Quota structure used for communication with userspace via quotactl
86 * Following flags are used to specify which fields are valid
87 */
88enum {
89 QIF_BLIMITS_B = 0,
90 QIF_SPACE_B,
91 QIF_ILIMITS_B,
92 QIF_INODES_B,
93 QIF_BTIME_B,
94 QIF_ITIME_B,
95};
96
97#define QIF_BLIMITS (1 << QIF_BLIMITS_B)
98#define QIF_SPACE (1 << QIF_SPACE_B)
99#define QIF_ILIMITS (1 << QIF_ILIMITS_B)
100#define QIF_INODES (1 << QIF_INODES_B)
101#define QIF_BTIME (1 << QIF_BTIME_B)
102#define QIF_ITIME (1 << QIF_ITIME_B)
103#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
104#define QIF_USAGE (QIF_SPACE | QIF_INODES)
105#define QIF_TIMES (QIF_BTIME | QIF_ITIME)
106#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
107
108struct if_dqblk {
109 __u64 dqb_bhardlimit;
110 __u64 dqb_bsoftlimit;
111 __u64 dqb_curspace;
112 __u64 dqb_ihardlimit;
113 __u64 dqb_isoftlimit;
114 __u64 dqb_curinodes;
115 __u64 dqb_btime;
116 __u64 dqb_itime;
117 __u32 dqb_valid;
118};
119
120/*
121 * Structure used for setting quota information about file via quotactl
122 * Following flags are used to specify which fields are valid
123 */
124#define IIF_BGRACE 1
125#define IIF_IGRACE 2
126#define IIF_FLAGS 4
127#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
128
129struct if_dqinfo {
130 __u64 dqi_bgrace;
131 __u64 dqi_igrace;
132 __u32 dqi_flags;
133 __u32 dqi_valid;
134};
135
136/*
137 * Definitions for quota netlink interface
138 */
139#define QUOTA_NL_NOWARN 0
140#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
141#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
142#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
143#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
144#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
145#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
146#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
147#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
148#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
149#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
150
151enum {
152 QUOTA_NL_C_UNSPEC,
153 QUOTA_NL_C_WARNING,
154 __QUOTA_NL_C_MAX,
155};
156#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
157
158enum {
159 QUOTA_NL_A_UNSPEC,
160 QUOTA_NL_A_QTYPE,
161 QUOTA_NL_A_EXCESS_ID,
162 QUOTA_NL_A_WARNING,
163 QUOTA_NL_A_DEV_MAJOR,
164 QUOTA_NL_A_DEV_MINOR,
165 QUOTA_NL_A_CAUSED_ID,
166 __QUOTA_NL_A_MAX,
167};
168#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
169
170
171#endif /* _UAPI_LINUX_QUOTA_ */