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2bd0ea18 | 1 | /* |
0d3e0b37 | 2 | * Copyright (c) 1995, 2001 Silicon Graphics, Inc. All Rights Reserved. |
2bd0ea18 NS |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it | |
cdafca58 NS |
5 | * under the terms of version 2.1 of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation. | |
2bd0ea18 NS |
7 | * |
8 | * This program is distributed in the hope that it would be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
11 | * | |
12 | * Further, this software is distributed without any warranty that it is | |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
18 | * | |
cdafca58 NS |
19 | * You should have received a copy of the GNU Lesser General Public |
20 | * License along with this program; if not, write the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, | |
22 | * USA. | |
2bd0ea18 NS |
23 | * |
24 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, | |
25 | * Mountain View, CA 94043, or: | |
26 | * | |
27 | * http://www.sgi.com | |
28 | * | |
29 | * For further information regarding this notice, see: | |
30 | * | |
31 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ | |
32 | */ | |
53f8ad6d NS |
33 | #ifndef __XQM_H__ |
34 | #define __XQM_H__ | |
2bd0ea18 | 35 | |
53f8ad6d | 36 | #include <libxfs.h> |
2bd0ea18 NS |
37 | |
38 | /* | |
275ae71f | 39 | * Disk quota - quotactl(2) commands for the XFS Quota Manager (XQM). |
2bd0ea18 | 40 | */ |
275ae71f | 41 | |
e242fec8 NS |
42 | #define XQM_CMD(x) (('X'<<8)+(x)) /* note: forms first QCMD argument */ |
43 | #define Q_XQUOTAON XQM_CMD(0x1) /* enable accounting/enforcement */ | |
44 | #define Q_XQUOTAOFF XQM_CMD(0x2) /* disable accounting/enforcement */ | |
45 | #define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits and usage */ | |
46 | #define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits */ | |
47 | #define Q_XGETQSTAT XQM_CMD(0x5) /* get quota subsystem status */ | |
48 | #define Q_XQUOTARM XQM_CMD(0x6) /* free disk space used by dquots */ | |
2bd0ea18 NS |
49 | |
50 | /* | |
51 | * fs_disk_quota structure: | |
52 | * | |
53 | * This contains the current quota information regarding a user/proj/group. | |
54 | * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of | |
55 | * 512 bytes. | |
56 | */ | |
57 | #define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */ | |
58 | typedef struct fs_disk_quota { | |
59 | __s8 d_version; /* version of this structure */ | |
60 | __s8 d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ | |
61 | __u16 d_fieldmask; /* field specifier */ | |
62 | __u32 d_id; /* user, project, or group ID */ | |
63 | __u64 d_blk_hardlimit;/* absolute limit on disk blks */ | |
64 | __u64 d_blk_softlimit;/* preferred limit on disk blks */ | |
65 | __u64 d_ino_hardlimit;/* maximum # allocated inodes */ | |
66 | __u64 d_ino_softlimit;/* preferred inode limit */ | |
67 | __u64 d_bcount; /* # disk blocks owned by the user */ | |
68 | __u64 d_icount; /* # inodes owned by the user */ | |
69 | __s32 d_itimer; /* zero if within inode limits */ | |
70 | /* if not, we refuse service */ | |
71 | __s32 d_btimer; /* similar to above; for disk blocks */ | |
72 | __u16 d_iwarns; /* # warnings issued wrt num inodes */ | |
73 | __u16 d_bwarns; /* # warnings issued wrt disk blocks */ | |
74 | __s32 d_padding2; /* padding2 - for future use */ | |
75 | __u64 d_rtb_hardlimit;/* absolute limit on realtime blks */ | |
76 | __u64 d_rtb_softlimit;/* preferred limit on RT disk blks */ | |
77 | __u64 d_rtbcount; /* # realtime blocks owned */ | |
78 | __s32 d_rtbtimer; /* similar to above; for RT disk blks */ | |
79 | __u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */ | |
80 | __s16 d_padding3; /* padding3 - for future use */ | |
81 | char d_padding4[8]; /* yet more padding */ | |
82 | } fs_disk_quota_t; | |
83 | ||
84 | /* | |
85 | * These fields are sent to Q_XSETQLIM to specify fields that need to change. | |
86 | */ | |
87 | #define FS_DQ_ISOFT (1<<0) | |
88 | #define FS_DQ_IHARD (1<<1) | |
89 | #define FS_DQ_BSOFT (1<<2) | |
90 | #define FS_DQ_BHARD (1<<3) | |
91 | #define FS_DQ_RTBSOFT (1<<4) | |
92 | #define FS_DQ_RTBHARD (1<<5) | |
93 | #define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \ | |
94 | FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD) | |
95 | /* | |
96 | * These timers can only be set in super user's dquot. For others, timers are | |
97 | * automatically started and stopped. Superusers timer values set the limits | |
98 | * for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values | |
99 | * defined below are used. | |
100 | * These values also apply only to the d_fieldmask field for Q_XSETQLIM. | |
101 | */ | |
102 | #define FS_DQ_BTIMER (1<<6) | |
103 | #define FS_DQ_ITIMER (1<<7) | |
104 | #define FS_DQ_RTBTIMER (1<<8) | |
105 | #define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER) | |
106 | ||
107 | /* | |
108 | * The following constants define the default amount of time given a user | |
109 | * before the soft limits are treated as hard limits (usually resulting | |
110 | * in an allocation failure). These may be modified by the quotactl(2) | |
111 | * system call with the Q_XSETQLIM command. | |
112 | */ | |
113 | #define DQ_FTIMELIMIT (7 * 24*60*60) /* 1 week */ | |
114 | #define DQ_BTIMELIMIT (7 * 24*60*60) /* 1 week */ | |
115 | ||
116 | /* | |
117 | * Various flags related to quotactl(2). Only relevant to XFS filesystems. | |
118 | */ | |
119 | #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */ | |
120 | #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */ | |
b36eef04 NS |
121 | #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */ |
122 | #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */ | |
2bd0ea18 NS |
123 | |
124 | #define XFS_USER_QUOTA (1<<0) /* user quota type */ | |
b36eef04 | 125 | #define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */ |
2bd0ea18 NS |
126 | #define XFS_GROUP_QUOTA (1<<2) /* group quota type */ |
127 | ||
128 | /* | |
129 | * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system. | |
130 | * Provides a centralized way to get meta infomation about the quota subsystem. | |
b36eef04 | 131 | * eg. space taken up for user and group quotas, number of dquots currently |
2bd0ea18 NS |
132 | * incore. |
133 | */ | |
134 | #define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */ | |
135 | ||
136 | /* | |
137 | * Some basic infomation about 'quota files'. | |
138 | */ | |
139 | typedef struct fs_qfilestat { | |
140 | __u64 qfs_ino; /* inode number */ | |
141 | __u64 qfs_nblks; /* number of BBs 512-byte-blks */ | |
142 | __u32 qfs_nextents; /* number of extents */ | |
143 | } fs_qfilestat_t; | |
144 | ||
145 | typedef struct fs_quota_stat { | |
146 | __s8 qs_version; /* version number for future changes */ | |
147 | __u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ | |
148 | __s8 qs_pad; /* unused */ | |
149 | fs_qfilestat_t qs_uquota; /* user quota storage information */ | |
b36eef04 | 150 | fs_qfilestat_t qs_gquota; /* group quota storage information */ |
2bd0ea18 NS |
151 | __u32 qs_incoredqs; /* number of dquots incore */ |
152 | __s32 qs_btimelimit; /* limit for blks timer */ | |
153 | __s32 qs_itimelimit; /* limit for inodes timer */ | |
154 | __s32 qs_rtbtimelimit;/* limit for rt blks timer */ | |
155 | __u16 qs_bwarnlimit; /* limit for num warnings */ | |
156 | __u16 qs_iwarnlimit; /* limit for num warnings */ | |
157 | } fs_quota_stat_t; | |
158 | ||
53f8ad6d | 159 | #endif /* __XQM_H__ */ |