sys/ufs/lfs/ulfs_quota1.h

   1 /*      $NetBSD: ulfs_quota1.h,v 1.4 2013/06/06 00:49:28 dholland Exp $ */
   2 /*  from NetBSD: quota1.h,v 1.7 2012/08/26 02:32:14 dholland Exp  */
   3
   4 /*
   5  * Copyright (c) 1982, 1986, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Robert Elz at The University of Melbourne.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  *      @(#)quota.h     8.3 (Berkeley) 8/19/94
  36  */
  37
  38 #ifndef _UFS_LFS_ULFS_QUOTA1_H_
  39 #define _UFS_LFS_ULFS_QUOTA1_H_
  40
  41 #include <sys/quota.h>
  42 #include <ufs/lfs/ulfs_quotacommon.h>
  43
  44 /*
  45  * These definitions are for the original disk quota implementation, which
  46  * is deprecated. the newer implementation is defined in quota2.h
  47  * and friends
  48  */
  49
  50 /*
  51  * Definitions for disk quotas imposed on the average user
  52  * (big brother finally hits UNIX).
  53  *
  54  * The following constants define the amount of time given a user before the
  55  * soft limits are treated as hard limits (usually resulting in an allocation
  56  * failure). The timer is started when the user crosses their soft limit, it
  57  * is reset when they go below their soft limit.
  58  */
  59 #define MAX_IQ_TIME     (7*24*60*60)    /* seconds in 1 week */
  60 #define MAX_DQ_TIME     (7*24*60*60)    /* seconds in 1 week */
  61
  62 #define QUOTAFILENAME   "quota"
  63 #define QUOTAGROUP      "operator"
  64
  65 /*
  66  * Command definitions for the 'compat_50_quotactl' system call.  The commands
  67  * are broken into a main command defined below and a subcommand that is used
  68  * to convey the type of quota that is being manipulated (see above).
  69  */
  70 #define SUBCMDMASK      0x00ff
  71 #define SUBCMDSHIFT     8
  72 #define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
  73
  74 #define Q_QUOTAON       0x0100  /* enable quotas */
  75 #define Q_QUOTAOFF      0x0200  /* disable quotas */
  76 #define Q_GETQUOTA      0x0300  /* get limits and usage */
  77 #define Q_SETQUOTA      0x0400  /* set limits and usage */
  78 #define Q_SETUSE        0x0500  /* set usage */
  79 #define Q_SYNC          0x0600  /* sync disk copy of a filesystems quotas */
  80
  81 /*
  82  * The following structure defines the format of the disk quota file
  83  * (as it appears on disk) - the file is an array of these structures
  84  * indexed by user or group number.  The setquota system call establishes
  85  * the vnode for each quota file (a pointer is retained in the ulfsmount
  86  * structure).
  87  */
  88 struct dqblk {
  89         u_int32_t dqb_bhardlimit;       /* absolute limit on disk blks alloc */
  90         u_int32_t dqb_bsoftlimit;       /* preferred limit on disk blks */
  91         u_int32_t dqb_curblocks;        /* current block count */
  92         u_int32_t dqb_ihardlimit;       /* maximum # allocated inodes + 1 */
  93         u_int32_t dqb_isoftlimit;       /* preferred inode limit */
  94         u_int32_t dqb_curinodes;        /* current # allocated inodes */
  95         int32_t   dqb_btime;            /* time limit for excessive disk use */
  96         int32_t   dqb_itime;            /* time limit for excessive files */
  97 };
  98
  99 /* quota1_subr.c */
 100 void lfs_dqblk_to_quotavals(const struct dqblk *,
 101                         struct quotaval *, struct quotaval *);
 102 void lfs_quotavals_to_dqblk(const struct quotaval *, const struct quotaval *,
 103                         struct dqblk *);
 104
 105 #endif /* !_UFS_LFS_ULFS_QUOTA1_H_ */