2 * Copyright (c) 1982, 1986 Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
6 * Robert Elz at The University of Melbourne.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
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26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 #ifndef _UAPI_LINUX_QUOTA_
34 #define _UAPI_LINUX_QUOTA_
36 #include <linux/types.h>
38 #define __DQUOT_VERSION__ "dquot_6.6.0"
41 #define USRQUOTA 0 /* element used for user quotas */
42 #define GRPQUOTA 1 /* element used for group quotas */
43 #define PRJQUOTA 2 /* element used for project quotas */
46 * Definitions for the default names of the quotas files.
48 #define INITQFNAMES { \
49 "user", /* USRQUOTA */ \
50 "group", /* GRPQUOTA */ \
51 "project", /* PRJQUOTA */ \
56 * Command definitions for the 'quotactl' system call.
57 * The commands are broken into a main command defined below
58 * and a subcommand that is used to convey the type of
59 * quota that is being manipulated (see above).
61 #define SUBCMDMASK 0x00ff
63 #define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
65 #define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
66 #define Q_QUOTAON 0x800002 /* turn quotas on */
67 #define Q_QUOTAOFF 0x800003 /* turn quotas off */
68 #define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
69 #define Q_GETINFO 0x800005 /* get information about quota files */
70 #define Q_SETINFO 0x800006 /* set information about quota files */
71 #define Q_GETQUOTA 0x800007 /* get user quota structure */
72 #define Q_SETQUOTA 0x800008 /* set user quota structure */
73 #define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */
75 /* Quota format type IDs */
76 #define QFMT_VFS_OLD 1
82 /* Size of block in which space limits are passed through the quota
84 #define QIF_DQBLKSIZE_BITS 10
85 #define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
88 * Quota structure used for communication with userspace via quotactl
89 * Following flags are used to specify which fields are valid
100 #define QIF_BLIMITS (1 << QIF_BLIMITS_B)
101 #define QIF_SPACE (1 << QIF_SPACE_B)
102 #define QIF_ILIMITS (1 << QIF_ILIMITS_B)
103 #define QIF_INODES (1 << QIF_INODES_B)
104 #define QIF_BTIME (1 << QIF_BTIME_B)
105 #define QIF_ITIME (1 << QIF_ITIME_B)
106 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
107 #define QIF_USAGE (QIF_SPACE | QIF_INODES)
108 #define QIF_TIMES (QIF_BTIME | QIF_ITIME)
109 #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
112 __u64 dqb_bhardlimit;
113 __u64 dqb_bsoftlimit;
115 __u64 dqb_ihardlimit;
116 __u64 dqb_isoftlimit;
123 struct if_nextdqblk {
124 __u64 dqb_bhardlimit;
125 __u64 dqb_bsoftlimit;
127 __u64 dqb_ihardlimit;
128 __u64 dqb_isoftlimit;
137 * Structure used for setting quota information about file via quotactl
138 * Following flags are used to specify which fields are valid
143 #define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
146 DQF_ROOT_SQUASH_B = 0,
148 /* Kernel internal flags invisible to userspace */
152 /* Root squash enabled (for v1 quota format) */
153 #define DQF_ROOT_SQUASH (1 << DQF_ROOT_SQUASH_B)
154 /* Quota stored in a system file */
155 #define DQF_SYS_FILE (1 << DQF_SYS_FILE_B)
160 __u32 dqi_flags; /* DFQ_* */
165 * Definitions for quota netlink interface
167 #define QUOTA_NL_NOWARN 0
168 #define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
169 #define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
170 #define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
171 #define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
172 #define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
173 #define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
174 #define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
175 #define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
176 #define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
177 #define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
184 #define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
189 QUOTA_NL_A_EXCESS_ID,
191 QUOTA_NL_A_DEV_MAJOR,
192 QUOTA_NL_A_DEV_MINOR,
193 QUOTA_NL_A_CAUSED_ID,
197 #define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
200 #endif /* _UAPI_LINUX_QUOTA_ */