source: branches/samba-3.0/source/include/samba_xfs_quota.h@ 140

Last change on this file since 140 was 1, checked in by Paul Smedley, 19 years ago

Initial code import
File size: 6.5 KB
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1#ifndef _SAMBA_LINUX_XFS_H_
2#define _SAMBA_LINUX_XFS_H_
3
4#ifndef _QUOTAIO_LINUX_XFS
5#define _QUOTAIO_LINUX_XFS
6
7/*
8 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it would be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * Further, this software is distributed without any warranty that it is
19 * free of the rightful claim of any third person regarding infringement
20 * or the like. Any license provided herein, whether implied or
21 * otherwise, applies only to this software file. Patent licenses, if
22 * any, provided herein do not apply to combinations of this program with
23 * other software, or any other product whatsoever.
24 *
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write the Free Software Foundation, Inc., 59
27 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
28 *
29 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
30 * Mountain View, CA 94043, or:
31 *
32 * http://www.sgi.com
33 *
34 * For further information regarding this notice, see:
35 *
36 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
37 */
38
39#include <linux/types.h>
40
41#define XQM_CMD(cmd) ( ('X'<<8)+(cmd) )
42#define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' )
43
44/*
45 * Disk quota - quotactl(2) commands for XFS Quota Manager (XQM).
46 */
47#define Q_XQUOTAON XQM_CMD(0x1) /* enable quota accounting/enforcement */
48#define Q_XQUOTAOFF XQM_CMD(0x2) /* disable quota accounting/enforcement */
49#define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits & usage */
50#define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits only */
51#define Q_XGETQSTAT XQM_CMD(0x5) /* returns fs_quota_stat_t struct */
52#define Q_XQUOTARM XQM_CMD(0x6) /* free quota files' space */
53
54/*
55 * fs_disk_quota structure:
56 *
57 * This contains the current quota information regarding a user/proj/group.
58 * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of
59 * 512 bytes.
60 */
61#define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */
62typedef struct fs_disk_quota {
63 u_int8_t d_version; /* version of this structure */
64 u_int8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
65 u_int16_t d_fieldmask; /* field specifier */
66 u_int32_t d_id; /* user, project, or group ID */
67 u_int64_t d_blk_hardlimit; /* absolute limit on disk blks */
68 u_int64_t d_blk_softlimit; /* preferred limit on disk blks */
69 u_int64_t d_ino_hardlimit; /* maximum # allocated inodes */
70 u_int64_t d_ino_softlimit; /* preferred inode limit */
71 u_int64_t d_bcount; /* # disk blocks owned by the user */
72 u_int64_t d_icount; /* # inodes owned by the user */
73 int32_t d_itimer; /* zero if within inode limits */
74 /* if not, we refuse service */
75 int32_t d_btimer; /* similar to above; for disk blocks */
76 u_int16_t d_iwarns; /* # warnings issued wrt num inodes */
77 u_int16_t d_bwarns; /* # warnings issued wrt disk blocks */
78 int32_t d_padding2; /* padding2 - for future use */
79 u_int64_t d_rtb_hardlimit; /* absolute limit on realtime blks */
80 u_int64_t d_rtb_softlimit; /* preferred limit on RT disk blks */
81 u_int64_t d_rtbcount; /* # realtime blocks owned */
82 int32_t d_rtbtimer; /* similar to above; for RT disk blks */
83 u_int16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */
84 int16_t d_padding3; /* padding3 - for future use */
85 char d_padding4[8]; /* yet more padding */
86} fs_disk_quota_t;
87
88/*
89 * These fields are sent to Q_XSETQLIM to specify fields that need to change.
90 */
91#define FS_DQ_ISOFT (1<<0)
92#define FS_DQ_IHARD (1<<1)
93#define FS_DQ_BSOFT (1<<2)
94#define FS_DQ_BHARD (1<<3)
95#define FS_DQ_RTBSOFT (1<<4)
96#define FS_DQ_RTBHARD (1<<5)
97#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \
98 FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
99/*
100 * These timers can only be set in super user's dquot. For others, timers are
101 * automatically started and stopped. Superusers timer values set the limits
102 * for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values
103 * defined below are used.
104 * These values also apply only to the d_fieldmask field for Q_XSETQLIM.
105 */
106#define FS_DQ_BTIMER (1<<6)
107#define FS_DQ_ITIMER (1<<7)
108#define FS_DQ_RTBTIMER (1<<8)
109#define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
110
111/*
112 * The following constants define the default amount of time given a user
113 * before the soft limits are treated as hard limits (usually resulting
114 * in an allocation failure). These may be modified by the quotactl(2)
115 * system call with the Q_XSETQLIM command.
116 */
117#define DQ_FTIMELIMIT (7 * 24*60*60) /* 1 week */
118#define DQ_BTIMELIMIT (7 * 24*60*60) /* 1 week */
119
120/*
121 * Various flags related to quotactl(2). Only relevant to XFS filesystems.
122 */
123#define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */