1/* This just represents the non-kernel parts of <linux/quota.h>.
  2   Copyright (C) 1998-2025 Free Software Foundation, Inc.
  3   This file is part of the GNU C Library.
  4
  5   The GNU C Library is free software; you can redistribute it and/or
  6   modify it under the terms of the GNU Lesser General Public
  7   License as published by the Free Software Foundation; either
  8   version 2.1 of the License, or (at your option) any later version.
  9
 10   The GNU C Library is distributed in the hope that it will be useful,
 11   but WITHOUT ANY WARRANTY; without even the implied warranty of
 12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13   Lesser General Public License for more details.
 14
 15   You should have received a copy of the GNU Lesser General Public
 16   License along with the GNU C Library; if not, see
 17   <https://www.gnu.org/licenses/>.  */
 18
 19/*
 20 * Copyright (c) 1982, 1986 Regents of the University of California.
 21 * All rights reserved.
 22 *
 23 * This code is derived from software contributed to Berkeley by
 24 * Robert Elz at The University of Melbourne.
 25 *
 26 * Redistribution and use in source and binary forms, with or without
 27 * modification, are permitted provided that the following conditions
 28 * are met:
 29 * 1. Redistributions of source code must retain the above copyright
 30 *    notice, this list of conditions and the following disclaimer.
 31 * 2. Redistributions in binary form must reproduce the above copyright
 32 *    notice, this list of conditions and the following disclaimer in the
 33 *    documentation and/or other materials provided with the distribution.
 34 * 4. Neither the name of the University nor the names of its contributors
 35 *    may be used to endorse or promote products derived from this software
 36 *    without specific prior written permission.
 37 *
 38 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 39 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 41 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 44 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 46 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 47 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 48 * SUCH DAMAGE.
 49 */
 50
 51#ifndef _SYS_QUOTA_H
 52#define _SYS_QUOTA_H 1
 53
 54#include <features.h>
 55#include <sys/types.h>
 56
 57#include <linux/quota.h>
 58
 59/*
 60 * Convert diskblocks to blocks and the other way around.
 61 * currently only to fool the BSD source. :-)
 62 */
 63#define dbtob(num) ((num) << 10)
 64#define btodb(num) ((num) >> 10)
 65
 66/*
 67 * Convert count of filesystem blocks to diskquota blocks, meant for
 68 * filesystems where i_blksize != 1024.
 69 */
 70#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / 1024)
 71
 72/*
 73 * Definitions for disk quotas imposed on the average user
 74 * (big brother finally hits Linux).
 75 *
 76 * The following constants define the amount of time given a user
 77 * before the soft limits are treated as hard limits (usually resulting
 78 * in an allocation failure). The timer is started when the user crosses
 79 * their soft limit, it is reset when they go below their soft limit.
 80 */
 81#define MAX_IQ_TIME  604800	/* (7*24*60*60) 1 week */
 82#define MAX_DQ_TIME  604800	/* (7*24*60*60) 1 week */
 83
 84#define QUOTAFILENAME "quota"
 85#define QUOTAGROUP "staff"
 86
 87#define NR_DQHASH 43          /* Just an arbitrary number any suggestions ? */
 88#define NR_DQUOTS 256         /* Number of quotas active at one time */
 89
 90/* Old name for struct if_dqblk.  */
 91struct dqblk
 92  {
 93    __uint64_t dqb_bhardlimit;	/* absolute limit on disk quota blocks alloc */
 94    __uint64_t dqb_bsoftlimit;	/* preferred limit on disk quota blocks */
 95    __uint64_t dqb_curspace;	/* current quota block count */
 96    __uint64_t dqb_ihardlimit;	/* maximum # allocated inodes */
 97    __uint64_t dqb_isoftlimit;	/* preferred inode limit */
 98    __uint64_t dqb_curinodes;	/* current # allocated inodes */
 99    __uint64_t dqb_btime;	/* time limit for excessive disk use */
100    __uint64_t dqb_itime;	/* time limit for excessive files */
101    __uint32_t dqb_valid;	/* bitmask of QIF_* constants */
102  };
103
104/*
105 * Shorthand notation.
106 */
107#define	dq_bhardlimit	dq_dqb.dqb_bhardlimit
108#define	dq_bsoftlimit	dq_dqb.dqb_bsoftlimit
109#define dq_curspace	dq_dqb.dqb_curspace
110#define dq_valid	dq_dqb.dqb_valid
111#define	dq_ihardlimit	dq_dqb.dqb_ihardlimit
112#define	dq_isoftlimit	dq_dqb.dqb_isoftlimit
113#define	dq_curinodes	dq_dqb.dqb_curinodes
114#define	dq_btime	dq_dqb.dqb_btime
115#define	dq_itime	dq_dqb.dqb_itime
116
117#define dqoff(UID)      ((__loff_t)((UID) * sizeof (struct dqblk)))
118
119/* Old name for struct if_dqinfo.  */
120struct dqinfo
121  {
122    __uint64_t dqi_bgrace;
123    __uint64_t dqi_igrace;
124    __uint32_t dqi_flags;
125    __uint32_t dqi_valid;
126  };
127
128__BEGIN_DECLS
129
130extern int quotactl (int __cmd, const char *__special, int __id,
131		     __caddr_t __addr) __THROW;
132
133__END_DECLS
134
135#endif /* sys/quota.h */