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199 lines
6.2 KiB
199 lines
6.2 KiB
/* |
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* Copyright (c) 1982, 1986 Regents of the University of California. |
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* All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Robert Elz at The University of Melbourne. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#ifndef _UAPI_LINUX_QUOTA_ |
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#define _UAPI_LINUX_QUOTA_ |
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#include <linux/types.h> |
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#define __DQUOT_VERSION__ "dquot_6.6.0" |
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#define MAXQUOTAS 3 |
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#define USRQUOTA 0 /* element used for user quotas */ |
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#define GRPQUOTA 1 /* element used for group quotas */ |
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#define PRJQUOTA 2 /* element used for project quotas */ |
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/* |
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* Definitions for the default names of the quotas files. |
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*/ |
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#define INITQFNAMES { \ |
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"user", /* USRQUOTA */ \ |
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"group", /* GRPQUOTA */ \ |
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"project", /* PRJQUOTA */ \ |
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"undefined", \ |
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}; |
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/* |
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* Command definitions for the 'quotactl' system call. |
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* The commands are broken into a main command defined below |
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* and a subcommand that is used to convey the type of |
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* quota that is being manipulated (see above). |
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*/ |
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#define SUBCMDMASK 0x00ff |
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#define SUBCMDSHIFT 8 |
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#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK)) |
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#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */ |
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#define Q_QUOTAON 0x800002 /* turn quotas on */ |
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#define Q_QUOTAOFF 0x800003 /* turn quotas off */ |
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#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */ |
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#define Q_GETINFO 0x800005 /* get information about quota files */ |
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#define Q_SETINFO 0x800006 /* set information about quota files */ |
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#define Q_GETQUOTA 0x800007 /* get user quota structure */ |
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#define Q_SETQUOTA 0x800008 /* set user quota structure */ |
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#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */ |
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/* Quota format type IDs */ |
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#define QFMT_VFS_OLD 1 |
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#define QFMT_VFS_V0 2 |
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#define QFMT_OCFS2 3 |
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#define QFMT_VFS_V1 4 |
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/* Size of block in which space limits are passed through the quota |
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* interface */ |
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#define QIF_DQBLKSIZE_BITS 10 |
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#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS) |
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/* |
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* Quota structure used for communication with userspace via quotactl |
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* Following flags are used to specify which fields are valid |
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*/ |
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enum { |
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QIF_BLIMITS_B = 0, |
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QIF_SPACE_B, |
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QIF_ILIMITS_B, |
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QIF_INODES_B, |
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QIF_BTIME_B, |
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QIF_ITIME_B, |
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}; |
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#define QIF_BLIMITS (1 << QIF_BLIMITS_B) |
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#define QIF_SPACE (1 << QIF_SPACE_B) |
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#define QIF_ILIMITS (1 << QIF_ILIMITS_B) |
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#define QIF_INODES (1 << QIF_INODES_B) |
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#define QIF_BTIME (1 << QIF_BTIME_B) |
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#define QIF_ITIME (1 << QIF_ITIME_B) |
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#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS) |
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#define QIF_USAGE (QIF_SPACE | QIF_INODES) |
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#define QIF_TIMES (QIF_BTIME | QIF_ITIME) |
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#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES) |
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struct if_dqblk { |
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__u64 dqb_bhardlimit; |
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__u64 dqb_bsoftlimit; |
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__u64 dqb_curspace; |
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__u64 dqb_ihardlimit; |
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__u64 dqb_isoftlimit; |
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__u64 dqb_curinodes; |
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__u64 dqb_btime; |
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__u64 dqb_itime; |
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__u32 dqb_valid; |
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}; |
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struct if_nextdqblk { |
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__u64 dqb_bhardlimit; |
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__u64 dqb_bsoftlimit; |
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__u64 dqb_curspace; |
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__u64 dqb_ihardlimit; |
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__u64 dqb_isoftlimit; |
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__u64 dqb_curinodes; |
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__u64 dqb_btime; |
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__u64 dqb_itime; |
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__u32 dqb_valid; |
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__u32 dqb_id; |
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}; |
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/* |
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* Structure used for setting quota information about file via quotactl |
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* Following flags are used to specify which fields are valid |
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*/ |
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#define IIF_BGRACE 1 |
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#define IIF_IGRACE 2 |
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#define IIF_FLAGS 4 |
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#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS) |
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enum { |
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DQF_ROOT_SQUASH_B = 0, |
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DQF_SYS_FILE_B = 16, |
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/* Kernel internal flags invisible to userspace */ |
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DQF_PRIVATE |
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}; |
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/* Root squash enabled (for v1 quota format) */ |
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#define DQF_ROOT_SQUASH (1 << DQF_ROOT_SQUASH_B) |
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/* Quota stored in a system file */ |
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#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B) |
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struct if_dqinfo { |
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__u64 dqi_bgrace; |
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__u64 dqi_igrace; |
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__u32 dqi_flags; /* DFQ_* */ |
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__u32 dqi_valid; |
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}; |
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/* |
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* Definitions for quota netlink interface |
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*/ |
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#define QUOTA_NL_NOWARN 0 |
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#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */ |
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#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */ |
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#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */ |
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#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */ |
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#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */ |
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#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */ |
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#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */ |
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#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */ |
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#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */ |
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#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */ |
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enum { |
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QUOTA_NL_C_UNSPEC, |
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QUOTA_NL_C_WARNING, |
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__QUOTA_NL_C_MAX, |
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}; |
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#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1) |
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enum { |
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QUOTA_NL_A_UNSPEC, |
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QUOTA_NL_A_QTYPE, |
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QUOTA_NL_A_EXCESS_ID, |
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QUOTA_NL_A_WARNING, |
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QUOTA_NL_A_DEV_MAJOR, |
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QUOTA_NL_A_DEV_MINOR, |
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QUOTA_NL_A_CAUSED_ID, |
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QUOTA_NL_A_PAD, |
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__QUOTA_NL_A_MAX, |
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}; |
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#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1) |
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#endif /* _UAPI_LINUX_QUOTA_ */
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