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2bd0ea18 | 1 | /* |
f302e9e4 | 2 | * Copyright (c) 1995, 2001, 2004-2005 Silicon Graphics, Inc. |
546bedf4 | 3 | * All Rights Reserved. |
2bd0ea18 | 4 | * |
f302e9e4 NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public License | |
cdafca58 | 7 | * as published by the Free Software Foundation. |
2bd0ea18 | 8 | * |
f302e9e4 NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU Lesser General Public License for more details. | |
2bd0ea18 | 13 | * |
f302e9e4 NS |
14 | * You should have received a copy of the GNU Lesser General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 | 17 | */ |
53f8ad6d NS |
18 | #ifndef __XQM_H__ |
19 | #define __XQM_H__ | |
2bd0ea18 | 20 | |
f8d94331 | 21 | #include <xfs/xfs.h> |
2bd0ea18 NS |
22 | |
23 | /* | |
275ae71f | 24 | * Disk quota - quotactl(2) commands for the XFS Quota Manager (XQM). |
2bd0ea18 | 25 | */ |
275ae71f | 26 | |
e242fec8 | 27 | #define XQM_CMD(x) (('X'<<8)+(x)) /* note: forms first QCMD argument */ |
20db5fec NS |
28 | #define Q_XQUOTAON XQM_CMD(1) /* enable accounting/enforcement */ |
29 | #define Q_XQUOTAOFF XQM_CMD(2) /* disable accounting/enforcement */ | |
30 | #define Q_XGETQUOTA XQM_CMD(3) /* get disk limits and usage */ | |
31 | #define Q_XSETQLIM XQM_CMD(4) /* set disk limits */ | |
32 | #define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */ | |
33 | #define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */ | |
546bedf4 | 34 | #define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */ |
bb92709f | 35 | #define Q_XGETQSTATV XQM_CMD(8) /* newer version of get quota */ |
513fc424 | 36 | #define Q_XGETNEXTQUOTA XQM_CMD(9) /* get disk limits and usage */ |
2bd0ea18 NS |
37 | |
38 | /* | |
39 | * fs_disk_quota structure: | |
40 | * | |
41 | * This contains the current quota information regarding a user/proj/group. | |
42 | * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of | |
43 | * 512 bytes. | |
44 | */ | |
45 | #define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */ | |
46 | typedef struct fs_disk_quota { | |
47 | __s8 d_version; /* version of this structure */ | |
48 | __s8 d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ | |
49 | __u16 d_fieldmask; /* field specifier */ | |
50 | __u32 d_id; /* user, project, or group ID */ | |
51 | __u64 d_blk_hardlimit;/* absolute limit on disk blks */ | |
52 | __u64 d_blk_softlimit;/* preferred limit on disk blks */ | |
53 | __u64 d_ino_hardlimit;/* maximum # allocated inodes */ | |
54 | __u64 d_ino_softlimit;/* preferred inode limit */ | |
55 | __u64 d_bcount; /* # disk blocks owned by the user */ | |
56 | __u64 d_icount; /* # inodes owned by the user */ | |
57 | __s32 d_itimer; /* zero if within inode limits */ | |
58 | /* if not, we refuse service */ | |
59 | __s32 d_btimer; /* similar to above; for disk blocks */ | |
feb3d9cd CM |
60 | __u16 d_iwarns; /* # warnings issued wrt num inodes */ |
61 | __u16 d_bwarns; /* # warnings issued wrt disk blocks */ | |
2bd0ea18 NS |
62 | __s32 d_padding2; /* padding2 - for future use */ |
63 | __u64 d_rtb_hardlimit;/* absolute limit on realtime blks */ | |
64 | __u64 d_rtb_softlimit;/* preferred limit on RT disk blks */ | |
65 | __u64 d_rtbcount; /* # realtime blocks owned */ | |
66 | __s32 d_rtbtimer; /* similar to above; for RT disk blks */ | |
feb3d9cd | 67 | __u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */ |
f302e9e4 | 68 | __s16 d_padding3; /* padding3 - for future use */ |
2bd0ea18 NS |
69 | char d_padding4[8]; /* yet more padding */ |
70 | } fs_disk_quota_t; | |
71 | ||
72 | /* | |
73 | * These fields are sent to Q_XSETQLIM to specify fields that need to change. | |
74 | */ | |
75 | #define FS_DQ_ISOFT (1<<0) | |
76 | #define FS_DQ_IHARD (1<<1) | |
77 | #define FS_DQ_BSOFT (1<<2) | |
feb3d9cd | 78 | #define FS_DQ_BHARD (1<<3) |
2bd0ea18 NS |
79 | #define FS_DQ_RTBSOFT (1<<4) |
80 | #define FS_DQ_RTBHARD (1<<5) | |
81 | #define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \ | |
82 | FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD) | |
83 | /* | |
84 | * These timers can only be set in super user's dquot. For others, timers are | |
85 | * automatically started and stopped. Superusers timer values set the limits | |
86 | * for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values | |
f302e9e4 | 87 | * defined below are used. |
2bd0ea18 NS |
88 | * These values also apply only to the d_fieldmask field for Q_XSETQLIM. |
89 | */ | |
90 | #define FS_DQ_BTIMER (1<<6) | |
91 | #define FS_DQ_ITIMER (1<<7) | |
feb3d9cd | 92 | #define FS_DQ_RTBTIMER (1<<8) |
2bd0ea18 NS |
93 | #define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER) |
94 | ||
95 | /* | |
20db5fec NS |
96 | * Warning counts are set in both super user's dquot and others. For others, |
97 | * warnings are set/cleared by the administrators (or automatically by going | |
98 | * below the soft limit). Superusers warning values set the warning limits | |
99 | * for the rest. In case these values are zero, the DQ_{F,B}WARNLIMIT values | |
f302e9e4 | 100 | * defined below are used. |
20db5fec | 101 | * These values also apply only to the d_fieldmask field for Q_XSETQLIM. |
2bd0ea18 | 102 | */ |
20db5fec NS |
103 | #define FS_DQ_BWARNS (1<<9) |
104 | #define FS_DQ_IWARNS (1<<10) | |
105 | #define FS_DQ_RTBWARNS (1<<11) | |
106 | #define FS_DQ_WARNS_MASK (FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS) | |
2bd0ea18 NS |
107 | |
108 | /* | |
109 | * Various flags related to quotactl(2). Only relevant to XFS filesystems. | |
110 | */ | |
111 | #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */ | |
112 | #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */ | |
b36eef04 NS |
113 | #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */ |
114 | #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */ | |
1bdd986b NS |
115 | #define XFS_QUOTA_PDQ_ACCT (1<<4) /* project quota accounting */ |
116 | #define XFS_QUOTA_PDQ_ENFD (1<<5) /* project quota limits enforcement */ | |
2bd0ea18 NS |
117 | |
118 | #define XFS_USER_QUOTA (1<<0) /* user quota type */ | |
20db5fec | 119 | #define XFS_PROJ_QUOTA (1<<1) /* project quota type */ |
2bd0ea18 NS |
120 | #define XFS_GROUP_QUOTA (1<<2) /* group quota type */ |
121 | ||
122 | /* | |
123 | * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system. | |
ff1f79a7 | 124 | * Provides a centralized way to get meta information about the quota subsystem. |
b36eef04 | 125 | * eg. space taken up for user and group quotas, number of dquots currently |
2bd0ea18 NS |
126 | * incore. |
127 | */ | |
128 | #define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */ | |
129 | ||
130 | /* | |
ff1f79a7 | 131 | * Some basic information about 'quota files'. |
2bd0ea18 NS |
132 | */ |
133 | typedef struct fs_qfilestat { | |
134 | __u64 qfs_ino; /* inode number */ | |
135 | __u64 qfs_nblks; /* number of BBs 512-byte-blks */ | |
136 | __u32 qfs_nextents; /* number of extents */ | |
137 | } fs_qfilestat_t; | |
138 | ||
139 | typedef struct fs_quota_stat { | |
140 | __s8 qs_version; /* version number for future changes */ | |
141 | __u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ | |
142 | __s8 qs_pad; /* unused */ | |
143 | fs_qfilestat_t qs_uquota; /* user quota storage information */ | |
b36eef04 | 144 | fs_qfilestat_t qs_gquota; /* group quota storage information */ |
2bd0ea18 | 145 | __u32 qs_incoredqs; /* number of dquots incore */ |
f302e9e4 NS |
146 | __s32 qs_btimelimit; /* limit for blks timer */ |
147 | __s32 qs_itimelimit; /* limit for inodes timer */ | |
148 | __s32 qs_rtbtimelimit;/* limit for rt blks timer */ | |
2bd0ea18 NS |
149 | __u16 qs_bwarnlimit; /* limit for num warnings */ |
150 | __u16 qs_iwarnlimit; /* limit for num warnings */ | |
151 | } fs_quota_stat_t; | |
152 | ||
bb92709f ES |
153 | |
154 | #ifndef FS_QSTATV_VERSION1 | |
155 | #define FS_QSTATV_VERSION1 1 /* fs_quota_statv.qs_version */ | |
156 | #endif | |
157 | ||
158 | /* | |
159 | * Some basic information about 'quota files' for Q_XGETQSTATV command | |
160 | */ | |
161 | struct fs_qfilestatv { | |
162 | __u64 qfs_ino; /* inode number */ | |
163 | __u64 qfs_nblks; /* number of BBs 512-byte-blks */ | |
164 | __u32 qfs_nextents; /* number of extents */ | |
165 | __u32 qfs_pad; /* pad for 8-byte alignment */ | |
166 | }; | |
167 | ||
168 | struct fs_quota_statv { | |
169 | __s8 qs_version; /* version for future changes */ | |
170 | __u8 qs_pad1; /* pad for 16bit alignment */ | |
171 | __u16 qs_flags; /* FS_QUOTA_.* flags */ | |
172 | __u32 qs_incoredqs; /* number of dquots incore */ | |
173 | struct fs_qfilestatv qs_uquota; /* user quota information */ | |
174 | struct fs_qfilestatv qs_gquota; /* group quota information */ | |
175 | struct fs_qfilestatv qs_pquota; /* project quota information */ | |
176 | __s32 qs_btimelimit; /* limit for blks timer */ | |
177 | __s32 qs_itimelimit; /* limit for inodes timer */ | |
178 | __s32 qs_rtbtimelimit;/* limit for rt blks timer */ | |
179 | __u16 qs_bwarnlimit; /* limit for num warnings */ | |
180 | __u16 qs_iwarnlimit; /* limit for num warnings */ | |
181 | __u64 qs_pad2[8]; /* for future proofing */ | |
182 | }; | |
183 | ||
53f8ad6d | 184 | #endif /* __XQM_H__ */ |