1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Robert Elz at The University of Melbourne. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Version: $Id: quota.h,v 2.0 1996/11/17 16:48:14 mvw Exp mvw $ 33 */ 34 35 #ifndef _LINUX_QUOTA_ 36 #define _LINUX_QUOTA_ 37 38 #include <linux/errno.h> 39 #include <linux/types.h> 40 41 #define __DQUOT_VERSION__ "dquot_6.5.1" 42 #define __DQUOT_NUM_VERSION__ 6*10000+5*100+1 43 44 typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */ 45 typedef __u64 qsize_t; /* Type in which we store sizes */ 46 47 /* Size of blocks in which are counted size limits */ 48 #define QUOTABLOCK_BITS 10 49 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) 50 51 /* Conversion routines from and to quota blocks */ 52 #define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10)) 53 #define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10)) 54 #define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS) 55 56 #define MAXQUOTAS 2 57 #define USRQUOTA 0 /* element used for user quotas */ 58 #define GRPQUOTA 1 /* element used for group quotas */ 59 60 /* 61 * Definitions for the default names of the quotas files. 62 */ 63 #define INITQFNAMES { \ 64 "user", /* USRQUOTA */ \ 65 "group", /* GRPQUOTA */ \ 66 "undefined", \ 67 }; 68 69 /* 70 * Command definitions for the 'quotactl' system call. 71 * The commands are broken into a main command defined below 72 * and a subcommand that is used to convey the type of 73 * quota that is being manipulated (see above). 74 */ 75 #define SUBCMDMASK 0x00ff 76 #define SUBCMDSHIFT 8 77 #define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK)) 78 79 #define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */ 80 #define Q_QUOTAON 0x800002 /* turn quotas on */ 81 #define Q_QUOTAOFF 0x800003 /* turn quotas off */ 82 #define Q_GETFMT 0x800004 /* get quota format used on given filesystem */ 83 #define Q_GETINFO 0x800005 /* get information about quota files */ 84 #define Q_SETINFO 0x800006 /* set information about quota files */ 85 #define Q_GETQUOTA 0x800007 /* get user quota structure */ 86 #define Q_SETQUOTA 0x800008 /* set user quota structure */ 87 88 /* 89 * Quota structure used for communication with userspace via quotactl 90 * Following flags are used to specify which fields are valid 91 */ 92 #define QIF_BLIMITS 1 93 #define QIF_SPACE 2 94 #define QIF_ILIMITS 4 95 #define QIF_INODES 8 96 #define QIF_BTIME 16 97 #define QIF_ITIME 32 98 #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS) 99 #define QIF_USAGE (QIF_SPACE | QIF_INODES) 100 #define QIF_TIMES (QIF_BTIME | QIF_ITIME) 101 #define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES) 102 103 struct if_dqblk { 104 __u64 dqb_bhardlimit; 105 __u64 dqb_bsoftlimit; 106 __u64 dqb_curspace; 107 __u64 dqb_ihardlimit; 108 __u64 dqb_isoftlimit; 109 __u64 dqb_curinodes; 110 __u64 dqb_btime; 111 __u64 dqb_itime; 112 __u32 dqb_valid; 113 }; 114 115 /* 116 * Structure used for setting quota information about file via quotactl 117 * Following flags are used to specify which fields are valid 118 */ 119 #define IIF_BGRACE 1 120 #define IIF_IGRACE 2 121 #define IIF_FLAGS 4 122 #define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS) 123 124 struct if_dqinfo { 125 __u64 dqi_bgrace; 126 __u64 dqi_igrace; 127 __u32 dqi_flags; 128 __u32 dqi_valid; 129 }; 130 131 /* 132 * Definitions for quota netlink interface 133 */ 134 #define QUOTA_NL_NOWARN 0 135 #define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */ 136 #define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */ 137 #define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */ 138 #define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */ 139 #define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */ 140 #define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */ 141 142 enum { 143 QUOTA_NL_C_UNSPEC, 144 QUOTA_NL_C_WARNING, 145 __QUOTA_NL_C_MAX, 146 }; 147 #define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1) 148 149 enum { 150 QUOTA_NL_A_UNSPEC, 151 QUOTA_NL_A_QTYPE, 152 QUOTA_NL_A_EXCESS_ID, 153 QUOTA_NL_A_WARNING, 154 QUOTA_NL_A_DEV_MAJOR, 155 QUOTA_NL_A_DEV_MINOR, 156 QUOTA_NL_A_CAUSED_ID, 157 __QUOTA_NL_A_MAX, 158 }; 159 #define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1) 160 161 162 163 # /* nodep */ include <sys/cdefs.h> 164 165 __BEGIN_DECLS 166 long quotactl __P ((unsigned int, const char *, int, caddr_t)); 167 __END_DECLS 168 169 #endif /* _QUOTA_ */ 170