xref: /minix/sys/ufs/ufs/quota1.h (revision 84d9c625)
1 /*	$NetBSD: quota1.h,v 1.7 2012/08/26 02:32:14 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Robert Elz at The University of Melbourne.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)quota.h	8.3 (Berkeley) 8/19/94
35  */
36 
37 #ifndef	_UFS_UFS_QUOTA1_H_
38 #define	_UFS_UFS_QUOTA1_H_
39 
40 #include <sys/quota.h>
41 #include <ufs/ufs/quota.h>
42 
43 /*
44  * These definitions are for the original disk quota implementation, which
45  * is deprecated. the newer implementation is defined in quota2.h
46  * and friends
47  */
48 
49 /*
50  * Definitions for disk quotas imposed on the average user
51  * (big brother finally hits UNIX).
52  *
53  * The following constants define the amount of time given a user before the
54  * soft limits are treated as hard limits (usually resulting in an allocation
55  * failure). The timer is started when the user crosses their soft limit, it
56  * is reset when they go below their soft limit.
57  */
58 #define	MAX_IQ_TIME	(7*24*60*60)	/* seconds in 1 week */
59 #define	MAX_DQ_TIME	(7*24*60*60)	/* seconds in 1 week */
60 
61 #define	QUOTAFILENAME	"quota"
62 #define	QUOTAGROUP	"operator"
63 
64 /*
65  * Command definitions for the 'compat_50_quotactl' system call.  The commands
66  * are broken into a main command defined below and a subcommand that is used
67  * to convey the type of quota that is being manipulated (see above).
68  */
69 #define SUBCMDMASK	0x00ff
70 #define SUBCMDSHIFT	8
71 #define	QCMD(cmd, type)	(((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
72 
73 #define	Q_QUOTAON	0x0100	/* enable quotas */
74 #define	Q_QUOTAOFF	0x0200	/* disable quotas */
75 #define	Q_GETQUOTA	0x0300	/* get limits and usage */
76 #define	Q_SETQUOTA	0x0400	/* set limits and usage */
77 #define	Q_SETUSE	0x0500	/* set usage */
78 #define	Q_SYNC		0x0600	/* sync disk copy of a filesystems quotas */
79 
80 /*
81  * The following structure defines the format of the disk quota file
82  * (as it appears on disk) - the file is an array of these structures
83  * indexed by user or group number.  The setquota system call establishes
84  * the vnode for each quota file (a pointer is retained in the ufsmount
85  * structure).
86  */
87 struct dqblk {
88 	u_int32_t dqb_bhardlimit;	/* absolute limit on disk blks alloc */
89 	u_int32_t dqb_bsoftlimit;	/* preferred limit on disk blks */
90 	u_int32_t dqb_curblocks;	/* current block count */
91 	u_int32_t dqb_ihardlimit;	/* maximum # allocated inodes + 1 */
92 	u_int32_t dqb_isoftlimit;	/* preferred inode limit */
93 	u_int32_t dqb_curinodes;	/* current # allocated inodes */
94 	int32_t	  dqb_btime;		/* time limit for excessive disk use */
95 	int32_t	  dqb_itime;		/* time limit for excessive files */
96 };
97 
98 /* quota1_subr.c */
99 void dqblk_to_quotavals(const struct dqblk *,
100 			struct quotaval *, struct quotaval *);
101 void quotavals_to_dqblk(const struct quotaval *, const struct quotaval *,
102 			struct dqblk *);
103 
104 #endif /* !_UFS_UFS_QUOTA1_H_ */
105