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001: /*
002:  * Copyright (c) 1982, 1986 Regents of the University of California.
003:  * All rights reserved.
004:  *
005:  * This code is derived from software contributed to Berkeley by
006:  * Robert Elz at The University of Melbourne.
007:  *
008:  * Redistribution and use in source and binary forms, with or without
009:  * modification, are permitted provided that the following conditions
010:  * are met:
011:  * 1. Redistributions of source code must retain the above copyright
012:  *    notice, this list of conditions and the following disclaimer.
013:  * 2. Redistributions in binary form must reproduce the above copyright
014:  *    notice, this list of conditions and the following disclaimer in the
015:  *    documentation and/or other materials provided with the distribution.
016:  * 3. Neither the name of the University nor the names of its contributors
017:  *    may be used to endorse or promote products derived from this software
018:  *    without specific prior written permission.
019:  *
020:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
021:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
022:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
023:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
024:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
025:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
026:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
027:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
028:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
029:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
030:  * SUCH DAMAGE.
031:  */
032: 
033: #ifndef _LINUX_QUOTA_
034: #define _LINUX_QUOTA_
035: 
036: #include <linux/errno.h>
037: #include <linux/types.h>
038: 
039: #define __DQUOT_VERSION__       "dquot_6.5.2"
040: 
041: #define MAXQUOTAS 2
042: #define USRQUOTA  0             /* element used for user quotas */
043: #define GRPQUOTA  1             /* element used for group quotas */
044: 
045: /*
046:  * Definitions for the default names of the quotas files.
047:  */
048: #define INITQFNAMES { \
049:         "user",    /* USRQUOTA */ \
050:         "group",   /* GRPQUOTA */ \
051:         "undefined", \
052: };
053: 
054: /*
055:  * Command definitions for the 'quotactl' system call.
056:  * The commands are broken into a main command defined below
057:  * and a subcommand that is used to convey the type of
058:  * quota that is being manipulated (see above).
059:  */
060: #define SUBCMDMASK  0x00ff
061: #define SUBCMDSHIFT 8
062: #define QCMD(cmd, type)  (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
063: 
064: #define Q_SYNC     0x800001     /* sync disk copy of a filesystems quotas */
065: #define Q_QUOTAON  0x800002     /* turn quotas on */
066: #define Q_QUOTAOFF 0x800003     /* turn quotas off */
067: #define Q_GETFMT   0x800004     /* get quota format used on given filesystem */
068: #define Q_GETINFO  0x800005     /* get information about quota files */
069: #define Q_SETINFO  0x800006     /* set information about quota files */
070: #define Q_GETQUOTA 0x800007     /* get user quota structure */
071: #define Q_SETQUOTA 0x800008     /* set user quota structure */
072: 
073: /* Quota format type IDs */
074: #define QFMT_VFS_OLD 1
075: #define QFMT_VFS_V0 2
076: #define QFMT_OCFS2 3
077: #define QFMT_VFS_V1 4
078: 
079: /* Size of block in which space limits are passed through the quota
080:  * interface */
081: #define QIF_DQBLKSIZE_BITS 10
082: #define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)
083: 
084: /*
085:  * Quota structure used for communication with userspace via quotactl
086:  * Following flags are used to specify which fields are valid
087:  */
088: enum {
089:         QIF_BLIMITS_B = 0,
090:         QIF_SPACE_B,
091:         QIF_ILIMITS_B,
092:         QIF_INODES_B,
093:         QIF_BTIME_B,
094:         QIF_ITIME_B,
095: };
096: 
097: #define QIF_BLIMITS     (1 << QIF_BLIMITS_B)
098: #define QIF_SPACE       (1 << QIF_SPACE_B)
099: #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 /* _QUOTA_ */
172: 

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