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
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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37 #include <sys/types.h>
38 #include <ext2fs/ext2_types.h>
40 #define __DQUOT_VERSION__ "dquot_6.5.2"
42 typedef u_int32_t qid_t; /* Type in which we store ids in memory */
43 typedef int64_t qsize_t; /* Type in which we store size limitations */
46 #define USRQUOTA 0 /* element used for user quotas */
47 #define GRPQUOTA 1 /* element used for group quotas */
50 * Definitions for the default names of the quotas files.
52 #define INITQFNAMES { \
53 "user", /* USRQUOTA */ \
54 "group", /* GRPQUOTA */ \
59 * Definitions of magics and versions of current quota files
61 #define INITQMAGICS {\
62 0xd9c01f11, /* USRQUOTA */\
63 0xd9c01927 /* GRPQUOTA */\
66 /* Size of blocks in which are counted size limits in generic utility parts */
67 #define QUOTABLOCK_BITS 10
68 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
70 /* Conversion routines from and to quota blocks */
71 #define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10))
72 #define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10))
73 #define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
76 * Command definitions for the 'quotactl' system call.
77 * The commands are broken into a main command defined below
78 * and a subcommand that is used to convey the type of
79 * quota that is being manipulated (see above).
81 #define SUBCMDMASK 0x00ff
83 #define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
85 #define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
86 #define Q_QUOTAON 0x800002 /* turn quotas on */
87 #define Q_QUOTAOFF 0x800003 /* turn quotas off */
88 #define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
89 #define Q_GETINFO 0x800005 /* get information about quota files */
90 #define Q_SETINFO 0x800006 /* set information about quota files */
91 #define Q_GETQUOTA 0x800007 /* get user quota structure */
92 #define Q_SETQUOTA 0x800008 /* set user quota structure */
94 /* Quota format type IDs */
95 #define QFMT_VFS_OLD 1
100 /* Size of block in which space limits are passed through the quota
102 #define QIF_DQBLKSIZE_BITS 10
103 #define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
106 * Structure used for setting quota information about file via quotactl
107 * Following flags are used to specify which fields are valid
112 #define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
122 * Definitions for quota netlink interface
124 #define QUOTA_NL_NOWARN 0
125 #define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
126 #define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
127 #define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
128 #define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
129 #define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
130 #define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
131 #define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
132 #define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
133 #define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
134 #define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */
141 #define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
146 QUOTA_NL_A_EXCESS_ID,
148 QUOTA_NL_A_DEV_MAJOR,
149 QUOTA_NL_A_DEV_MINOR,
150 QUOTA_NL_A_CAUSED_ID,
153 #define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)