[thirdparty/xfsprogs-dev.git] / include / xqm.h

/*
 * Copyright (c) 1995, 2001, 2004-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XQM_H__
#define __XQM_H__

#include <xfs/xfs.h>

/*
 * Disk quota - quotactl(2) commands for the XFS Quota Manager (XQM).
 */

#define XQM_CMD(x)	(('X'<<8)+(x))	/* note: forms first QCMD argument */
#define Q_XQUOTAON	XQM_CMD(1)	/* enable accounting/enforcement */
#define Q_XQUOTAOFF	XQM_CMD(2)	/* disable accounting/enforcement */
#define Q_XGETQUOTA	XQM_CMD(3)	/* get disk limits and usage */
#define Q_XSETQLIM	XQM_CMD(4)	/* set disk limits */
#define Q_XGETQSTAT	XQM_CMD(5)	/* get quota subsystem status */
#define Q_XQUOTARM	XQM_CMD(6)	/* free disk space used by dquots */
#define Q_XQUOTASYNC	XQM_CMD(7)	/* delalloc flush, updates dquots */

/*
 * 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 */
	__s32		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;

/*
 * 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)

/*
 * Warning counts are set in both super user's dquot and others. For others,
 * warnings are set/cleared by the administrators (or automatically by going
 * below the soft limit).  Superusers warning values set the warning limits
 * for the rest.  In case these values are zero, the DQ_{F,B}WARNLIMIT values
 * defined below are used.
 * These values also apply only to the d_fieldmask field for Q_XSETQLIM.
 */
#define FS_DQ_BWARNS	(1<<9)
#define FS_DQ_IWARNS	(1<<10)
#define FS_DQ_RTBWARNS	(1<<11)
#define FS_DQ_WARNS_MASK	(FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS)

/*
 * 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)  /* project quota accounting */
#define XFS_QUOTA_PDQ_ENFD	(1<<5)  /* project quota limits enforcement */

#define XFS_USER_QUOTA		(1<<0)	/* user quota type */
#define XFS_PROJ_QUOTA		(1<<1)	/* 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	/* __XQM_H__ */
Commit	Line	Data
2bd0ea18	1	/*
f302e9e4	2	* Copyright (c) 1995, 2001, 2004-2005 Silicon Graphics, Inc.
546bedf4	3	* All Rights Reserved.
2bd0ea18	4	*
f302e9e4 NS	5	* This program is free software; you can redistribute it and/or
f302e9e4 NS	6	* modify it under the terms of the GNU Lesser General Public License
cdafca58	7	* as published by the Free Software Foundation.
2bd0ea18	8	*
f302e9e4 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU Lesser General Public License for more details.
2bd0ea18	13	*
f302e9e4 NS	14	* You should have received a copy of the GNU Lesser General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
2bd0ea18	17	*/
53f8ad6d NS	18	#ifndef __XQM_H__
53f8ad6d NS	19	#define __XQM_H__
2bd0ea18	20
1bdd986b	21	#include <xfs/xfs.h>
2bd0ea18 NS	22
2bd0ea18 NS	23	/*
275ae71f	24	* Disk quota - quotactl(2) commands for the XFS Quota Manager (XQM).
2bd0ea18	25	*/
275ae71f	26
e242fec8	27	#define XQM_CMD(x) (('X'<<8)+(x)) /* note: forms first QCMD argument */
20db5fec NS	28	#define Q_XQUOTAON XQM_CMD(1) /* enable accounting/enforcement */
	29	#define Q_XQUOTAOFF XQM_CMD(2) /* disable accounting/enforcement */
	30	#define Q_XGETQUOTA XQM_CMD(3) /* get disk limits and usage */
	31	#define Q_XSETQLIM XQM_CMD(4) /* set disk limits */
	32	#define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */
	33	#define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */
546bedf4	34	#define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */
2bd0ea18 NS	35
	36	/*
	37	* fs_disk_quota structure:
	38	*
	39	* This contains the current quota information regarding a user/proj/group.
	40	* It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of
	41	* 512 bytes.
	42	*/
	43	#define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */
	44	typedef struct fs_disk_quota {
	45	__s8 d_version; /* version of this structure */
	46	__s8 d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
	47	__u16 d_fieldmask; /* field specifier */
	48	__u32 d_id; /* user, project, or group ID */
	49	__u64 d_blk_hardlimit;/* absolute limit on disk blks */
	50	__u64 d_blk_softlimit;/* preferred limit on disk blks */
	51	__u64 d_ino_hardlimit;/* maximum # allocated inodes */
	52	__u64 d_ino_softlimit;/* preferred inode limit */
	53	__u64 d_bcount; /* # disk blocks owned by the user */
	54	__u64 d_icount; /* # inodes owned by the user */
	55	__s32 d_itimer; /* zero if within inode limits */
	56	/* if not, we refuse service */
	57	__s32 d_btimer; /* similar to above; for disk blocks */
546bedf4 NS	58	__u16 d_iwarns; /* # warnings issued wrt num inodes */
546bedf4 NS	59	__u16 d_bwarns; /* # warnings issued wrt disk blocks */
2bd0ea18 NS	60	__s32 d_padding2; /* padding2 - for future use */
	61	__u64 d_rtb_hardlimit;/* absolute limit on realtime blks */
	62	__u64 d_rtb_softlimit;/* preferred limit on RT disk blks */
	63	__u64 d_rtbcount; /* # realtime blocks owned */
	64	__s32 d_rtbtimer; /* similar to above; for RT disk blks */
546bedf4	65	__u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */
f302e9e4	66	__s16 d_padding3; /* padding3 - for future use */
2bd0ea18 NS	67	char d_padding4[8]; /* yet more padding */
	68	} fs_disk_quota_t;
	69
	70	/*
	71	* These fields are sent to Q_XSETQLIM to specify fields that need to change.
	72	*/
	73	#define FS_DQ_ISOFT (1<<0)
	74	#define FS_DQ_IHARD (1<<1)
	75	#define FS_DQ_BSOFT (1<<2)
546bedf4	76	#define FS_DQ_BHARD (1<<3)
2bd0ea18 NS	77	#define FS_DQ_RTBSOFT (1<<4)
	78	#define FS_DQ_RTBHARD (1<<5)
	79	#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT \| FS_DQ_IHARD \| FS_DQ_BSOFT \| \
	80	FS_DQ_BHARD \| FS_DQ_RTBSOFT \| FS_DQ_RTBHARD)
	81	/*
	82	* These timers can only be set in super user's dquot. For others, timers are
	83	* automatically started and stopped. Superusers timer values set the limits
	84	* for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values
f302e9e4	85	* defined below are used.
2bd0ea18 NS	86	* These values also apply only to the d_fieldmask field for Q_XSETQLIM.
	87	*/
	88	#define FS_DQ_BTIMER (1<<6)
	89	#define FS_DQ_ITIMER (1<<7)
546bedf4	90	#define FS_DQ_RTBTIMER (1<<8)
2bd0ea18 NS	91	#define FS_DQ_TIMER_MASK (FS_DQ_BTIMER \| FS_DQ_ITIMER \| FS_DQ_RTBTIMER)
	92
	93	/*
20db5fec NS	94	* Warning counts are set in both super user's dquot and others. For others,
	95	* warnings are set/cleared by the administrators (or automatically by going
	96	* below the soft limit). Superusers warning values set the warning limits
	97	* for the rest. In case these values are zero, the DQ_{F,B}WARNLIMIT values
f302e9e4	98	* defined below are used.
20db5fec	99	* These values also apply only to the d_fieldmask field for Q_XSETQLIM.
2bd0ea18	100	*/
20db5fec NS	101	#define FS_DQ_BWARNS (1<<9)
	102	#define FS_DQ_IWARNS (1<<10)
	103	#define FS_DQ_RTBWARNS (1<<11)
	104	#define FS_DQ_WARNS_MASK (FS_DQ_BWARNS \| FS_DQ_IWARNS \| FS_DQ_RTBWARNS)
2bd0ea18 NS	105
	106	/*
	107	* Various flags related to quotactl(2). Only relevant to XFS filesystems.
	108	*/
	109	#define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */
	110	#define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */
b36eef04 NS	111	#define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */
b36eef04 NS	112	#define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */
1bdd986b NS	113	#define XFS_QUOTA_PDQ_ACCT (1<<4) /* project quota accounting */
1bdd986b NS	114	#define XFS_QUOTA_PDQ_ENFD (1<<5) /* project quota limits enforcement */
2bd0ea18 NS	115
2bd0ea18 NS	116	#define XFS_USER_QUOTA (1<<0) /* user quota type */
20db5fec	117	#define XFS_PROJ_QUOTA (1<<1) /* project quota type */
2bd0ea18 NS	118	#define XFS_GROUP_QUOTA (1<<2) /* group quota type */
	119
	120	/*
	121	* fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system.
	122	* Provides a centralized way to get meta infomation about the quota subsystem.
b36eef04	123	* eg. space taken up for user and group quotas, number of dquots currently
2bd0ea18 NS	124	* incore.
	125	*/
	126	#define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */
	127
	128	/*
	129	* Some basic infomation about 'quota files'.
	130	*/
	131	typedef struct fs_qfilestat {
	132	__u64 qfs_ino; /* inode number */
	133	__u64 qfs_nblks; /* number of BBs 512-byte-blks */
	134	__u32 qfs_nextents; /* number of extents */
	135	} fs_qfilestat_t;
	136
	137	typedef struct fs_quota_stat {
	138	__s8 qs_version; /* version number for future changes */
	139	__u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
	140	__s8 qs_pad; /* unused */
	141	fs_qfilestat_t qs_uquota; /* user quota storage information */
b36eef04	142	fs_qfilestat_t qs_gquota; /* group quota storage information */
2bd0ea18	143	__u32 qs_incoredqs; /* number of dquots incore */
f302e9e4 NS	144	__s32 qs_btimelimit; /* limit for blks timer */
	145	__s32 qs_itimelimit; /* limit for inodes timer */
	146	__s32 qs_rtbtimelimit;/* limit for rt blks timer */
2bd0ea18 NS	147	__u16 qs_bwarnlimit; /* limit for num warnings */
	148	__u16 qs_iwarnlimit; /* limit for num warnings */
	149	} fs_quota_stat_t;
	150
53f8ad6d	151	#endif /* __XQM_H__ */