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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef GUARD_QUOTAIO_XFS_H
#define GUARD_QUOTAIO_XFS_H
#include <asm/types.h>
#define XQM_CMD(cmd) ( ('X'<<8)+(cmd) )
#define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' )
/*
* Disk quota - quotactl(2) commands for XFS Quota Manager (XQM).
*/
#define Q_XQUOTAON XQM_CMD(0x1) /* enable quota accounting/enforcement */
#define Q_XQUOTAOFF XQM_CMD(0x2) /* disable quota accounting/enforcement */
#define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits & usage */
#define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits only */
#define Q_XGETQSTAT XQM_CMD(0x5) /* returns fs_quota_stat_t struct */
#define Q_XQUOTARM XQM_CMD(0x6) /* free quota files' space */
#define Q_XGETNEXTQUOTA XQM_CMD(0x9) /* get disk limits and usage >= ID */
/*
* fs_disk_quota structure:
*
* This contains the current quota information regarding a user/proj/group.
* It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of
* 512 bytes.
*/
#define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */
typedef struct fs_disk_quota {
__s8 d_version; /* version of this structure */
__s8 d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
__u16 d_fieldmask; /* field specifier */
__u32 d_id; /* user, project, or group ID */
__u64 d_blk_hardlimit; /* absolute limit on disk blks */
__u64 d_blk_softlimit; /* preferred limit on disk blks */
__u64 d_ino_hardlimit; /* maximum # allocated inodes */
__u64 d_ino_softlimit; /* preferred inode limit */
__u64 d_bcount; /* # disk blocks owned by the user */
__u64 d_icount; /* # inodes owned by the user */
__s32 d_itimer; /* zero if within inode limits */
/* if not, we refuse service */
__s32 d_btimer; /* similar to above; for disk blocks */
__u16 d_iwarns; /* # warnings issued wrt num inodes */
__u16 d_bwarns; /* # warnings issued wrt disk blocks */
__s8 d_itimer_hi; /* upper 8 bits of timer values */
__s8 d_btimer_hi;
__s8 d_rtbtimer_hi;
__s8 d_padding2; /* padding2 - for future use */
__u64 d_rtb_hardlimit; /* absolute limit on realtime blks */
__u64 d_rtb_softlimit; /* preferred limit on RT disk blks */
__u64 d_rtbcount; /* # realtime blocks owned */
__s32 d_rtbtimer; /* similar to above; for RT disk blks */
__u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */
__s16 d_padding3; /* padding3 - for future use */
char d_padding4[8]; /* yet more padding */
} fs_disk_quota_t;
#define FS_DQUOT_TIMER_MAX (((__s64)1 << 39) - 1)
#define FS_DQUOT_TIMER_MIN (-((__s64)1 << 39))
/*
* These fields are sent to Q_XSETQLIM to specify fields that need to change.
*/
#define FS_DQ_ISOFT (1<<0)
#define FS_DQ_IHARD (1<<1)
#define FS_DQ_BSOFT (1<<2)
#define FS_DQ_BHARD (1<<3)
#define FS_DQ_RTBSOFT (1<<4)
#define FS_DQ_RTBHARD (1<<5)
#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \
FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
/*
* These timers can only be set in super user's dquot. For others, timers are
* automatically started and stopped. Superusers timer values set the limits
* for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values
* defined below are used.
* These values also apply only to the d_fieldmask field for Q_XSETQLIM.
*/
#define FS_DQ_BTIMER (1<<6)
#define FS_DQ_ITIMER (1<<7)
#define FS_DQ_RTBTIMER (1<<8)
#define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
/*
* Accounting values. These can only be set for filesystem with
* non-transactional quotas that require quotacheck(8) in userspace.
*/
#define FS_DQ_BCOUNT (1<<12)
#define FS_DQ_ICOUNT (1<<13)
#define FS_DQ_RTBCOUNT (1<<14)
#define FS_DQ_ACCT_MASK (FS_DQ_BCOUNT | FS_DQ_ICOUNT | FS_DQ_RTBCOUNT)
/*
* Quota expiration timestamps are 40-bit signed integers, with the upper 8
* bits encoded in the _hi fields.
*/
#define FS_DQ_BIGTIME (1<<15)
/*
* Various flags related to quotactl(2). Only relevant to XFS filesystems.
*/
#define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */
#define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */
#define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */
#define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */
#define XFS_QUOTA_PDQ_ACCT (1<<4) /* group quota accounting */
#define XFS_QUOTA_PDQ_ENFD (1<<5) /* group quota limits enforcement */
#define XFS_USER_QUOTA (1<<0) /* user quota type */
#define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */
#define XFS_GROUP_QUOTA (1<<2) /* group quota type */
/*
* fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system.
* Provides a centralized way to get meta infomation about the quota subsystem.
* eg. space taken up for user and group quotas, number of dquots currently
* incore.
*/
#define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */
/*
* Some basic infomation about 'quota files'.
*/
typedef struct fs_qfilestat {
__u64 qfs_ino; /* inode number */
__u64 qfs_nblks; /* number of BBs 512-byte-blks */
__u32 qfs_nextents; /* number of extents */
} fs_qfilestat_t;
typedef struct fs_quota_stat {
__s8 qs_version; /* version number for future changes */
__u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
__s8 qs_pad; /* unused */
fs_qfilestat_t qs_uquota; /* user quota storage information */
fs_qfilestat_t qs_gquota; /* group quota storage information */
__u32 qs_incoredqs; /* number of dquots incore */
__s32 qs_btimelimit; /* limit for blks timer */
__s32 qs_itimelimit; /* limit for inodes timer */
__s32 qs_rtbtimelimit; /* limit for rt blks timer */
__u16 qs_bwarnlimit; /* limit for num warnings */
__u16 qs_iwarnlimit; /* limit for num warnings */
} fs_quota_stat_t;
#endif /* GUARD_QUOTAIO_XFS_H */
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