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1 | /* |
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 | */ | |
88 | enum { | |
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 | ||
108 | struct 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 | ||
129 | struct 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 | ||
151 | enum { | |
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 | ||
158 | enum { | |
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_ */ |