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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 by6 * Robert Elz at The University of Melbourne.7 *8 * Redistribution and use in source and binary forms, with or without9 * modification, are permitted provided that the following conditions10 * are met:11 * 1. Redistributions of source code must retain the above copyright12 * notice, this list of conditions and the following disclaimer.13 * 2. Redistributions in binary form must reproduce the above copyright14 * notice, this list of conditions and the following disclaimer in the15 * documentation and/or other materials provided with the distribution.16 * 3. Neither the name of the University nor the names of its contributors17 * may be used to endorse or promote products derived from this software18 * without specific prior written permission.19 *20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF30 * SUCH DAMAGE.31 */32 33#ifndef _UAPI_LINUX_QUOTA_34#define _UAPI_LINUX_QUOTA_35 36#include <linux/types.h>37 38#define __DQUOT_VERSION__ "dquot_6.6.0"39 40#define MAXQUOTAS 341#define USRQUOTA 0 /* element used for user quotas */42#define GRPQUOTA 1 /* element used for group quotas */43#define PRJQUOTA 2 /* element used for project quotas */44 45/*46 * Definitions for the default names of the quotas files.47 */48#define INITQFNAMES { \49 "user", /* USRQUOTA */ \50 "group", /* GRPQUOTA */ \51 "project", /* PRJQUOTA */ \52 "undefined", \53};54 55/*56 * Command definitions for the 'quotactl' system call.57 * The commands are broken into a main command defined below58 * and a subcommand that is used to convey the type of59 * quota that is being manipulated (see above).60 */61#define SUBCMDMASK 0x00ff62#define SUBCMDSHIFT 863#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))64 65#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */66#define Q_QUOTAON 0x800002 /* turn quotas on */67#define Q_QUOTAOFF 0x800003 /* turn quotas off */68#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */69#define Q_GETINFO 0x800005 /* get information about quota files */70#define Q_SETINFO 0x800006 /* set information about quota files */71#define Q_GETQUOTA 0x800007 /* get user quota structure */72#define Q_SETQUOTA 0x800008 /* set user quota structure */73#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */74 75/* Quota format type IDs */76#define QFMT_VFS_OLD 177#define QFMT_VFS_V0 278#define QFMT_OCFS2 379#define QFMT_VFS_V1 480#define QFMT_SHMEM 581 82/* Size of block in which space limits are passed through the quota83 * interface */84#define QIF_DQBLKSIZE_BITS 1085#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)86 87/*88 * Quota structure used for communication with userspace via quotactl89 * Following flags are used to specify which fields are valid90 */91enum {92 QIF_BLIMITS_B = 0,93 QIF_SPACE_B,94 QIF_ILIMITS_B,95 QIF_INODES_B,96 QIF_BTIME_B,97 QIF_ITIME_B,98};99 100#define QIF_BLIMITS (1 << QIF_BLIMITS_B)101#define QIF_SPACE (1 << QIF_SPACE_B)102#define QIF_ILIMITS (1 << QIF_ILIMITS_B)103#define QIF_INODES (1 << QIF_INODES_B)104#define QIF_BTIME (1 << QIF_BTIME_B)105#define QIF_ITIME (1 << QIF_ITIME_B)106#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)107#define QIF_USAGE (QIF_SPACE | QIF_INODES)108#define QIF_TIMES (QIF_BTIME | QIF_ITIME)109#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)110 111struct if_dqblk {112 __u64 dqb_bhardlimit;113 __u64 dqb_bsoftlimit;114 __u64 dqb_curspace;115 __u64 dqb_ihardlimit;116 __u64 dqb_isoftlimit;117 __u64 dqb_curinodes;118 __u64 dqb_btime;119 __u64 dqb_itime;120 __u32 dqb_valid;121};122 123struct if_nextdqblk {124 __u64 dqb_bhardlimit;125 __u64 dqb_bsoftlimit;126 __u64 dqb_curspace;127 __u64 dqb_ihardlimit;128 __u64 dqb_isoftlimit;129 __u64 dqb_curinodes;130 __u64 dqb_btime;131 __u64 dqb_itime;132 __u32 dqb_valid;133 __u32 dqb_id;134};135 136/*137 * Structure used for setting quota information about file via quotactl138 * Following flags are used to specify which fields are valid139 */140#define IIF_BGRACE 1141#define IIF_IGRACE 2142#define IIF_FLAGS 4143#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)144 145enum {146 DQF_ROOT_SQUASH_B = 0,147 DQF_SYS_FILE_B = 16,148 /* Kernel internal flags invisible to userspace */149 DQF_PRIVATE150};151 152/* Root squash enabled (for v1 quota format) */153#define DQF_ROOT_SQUASH (1 << DQF_ROOT_SQUASH_B)154/* Quota stored in a system file */155#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B)156 157struct if_dqinfo {158 __u64 dqi_bgrace;159 __u64 dqi_igrace;160 __u32 dqi_flags; /* DFQ_* */161 __u32 dqi_valid;162};163 164/*165 * Definitions for quota netlink interface166 */167#define QUOTA_NL_NOWARN 0168#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */169#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */170#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */171#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */172#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */173#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */174#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */175#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */176#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */177#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */178 179enum {180 QUOTA_NL_C_UNSPEC,181 QUOTA_NL_C_WARNING,182 __QUOTA_NL_C_MAX,183};184#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)185 186enum {187 QUOTA_NL_A_UNSPEC,188 QUOTA_NL_A_QTYPE,189 QUOTA_NL_A_EXCESS_ID,190 QUOTA_NL_A_WARNING,191 QUOTA_NL_A_DEV_MAJOR,192 QUOTA_NL_A_DEV_MINOR,193 QUOTA_NL_A_CAUSED_ID,194 QUOTA_NL_A_PAD,195 __QUOTA_NL_A_MAX,196};197#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)198 199 200#endif /* _UAPI_LINUX_QUOTA_ */201