2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
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.
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.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
32 #ifndef _QUOTAIO_XFS_H
33 #define _QUOTAIO_XFS_H
35 #include <asm/types.h>
37 #define XQM_CMD(cmd) ( ('X'<<8)+(cmd) )
38 #define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' )
41 * Disk quota - quotactl(2) commands for XFS Quota Manager (XQM).
43 #define Q_XQUOTAON XQM_CMD(0x1) /* enable quota accounting/enforcement */
44 #define Q_XQUOTAOFF XQM_CMD(0x2) /* disable quota accounting/enforcement */
45 #define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits & usage */
46 #define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits only */
47 #define Q_XGETQSTAT XQM_CMD(0x5) /* returns fs_quota_stat_t struct */
48 #define Q_XQUOTARM XQM_CMD(0x6) /* free quota files' space */
51 * fs_disk_quota structure:
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
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 */
85 * These fields are sent to Q_XSETQLIM to specify fields that need to change.
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)
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.
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)
108 * Various flags related to quotactl(2). Only relevant to XFS filesystems.
110 #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */
111 #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */
112 #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */
113 #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */
115 #define XFS_USER_QUOTA (1<<0) /* user quota type */
116 #define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */
117 #define XFS_GROUP_QUOTA (1<<2) /* group quota type */
120 * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system.
121 * Provides a centralized way to get meta infomation about the quota subsystem.
122 * eg. space taken up for user and group quotas, number of dquots currently
125 #define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */
128 * Some basic infomation about 'quota files'.
130 typedef struct fs_qfilestat {
131 __u64 qfs_ino; /* inode number */
132 __u64 qfs_nblks; /* number of BBs 512-byte-blks */
133 __u32 qfs_nextents; /* number of extents */
136 typedef struct fs_quota_stat {
137 __s8 qs_version; /* version number for future changes */
138 __u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
139 __s8 qs_pad; /* unused */
140 fs_qfilestat_t qs_uquota; /* user quota storage information */
141 fs_qfilestat_t qs_gquota; /* group quota storage information */
142 __u32 qs_incoredqs; /* number of dquots incore */
143 __s32 qs_btimelimit; /* limit for blks timer */
144 __s32 qs_itimelimit; /* limit for inodes timer */
145 __s32 qs_rtbtimelimit; /* limit for rt blks timer */
146 __u16 qs_bwarnlimit; /* limit for num warnings */
147 __u16 qs_iwarnlimit; /* limit for num warnings */
150 #endif /* _QUOTAIO_XFS_H */