include/linux/dqblk_xfs.h - kernel/msm-5.4 - Gitiles

 /*
  * Copyright (c) 1995-2001,2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2.1 of the GNU Lesser General Public License
  * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  * USA
  *
  * Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
  * Mountain View, CA 94043, USA, or: http://www.sgi.com
  */
 #ifndef _LINUX_DQBLK_XFS_H
 #define _LINUX_DQBLK_XFS_H

 #include <linux/types.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 XQM_COMMAND(x)	(((x) & (0xff<<8)) == ('X'<<8))	/* test if for XFS */

 #define XQM_USRQUOTA	0	/* system call user quota type */
 #define XQM_GRPQUOTA	1	/* system call group quota type */
 #define XQM_MAXQUOTAS	2

 #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 */

 /*
  * 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	/* _LINUX_DQBLK_XFS_H */
	/*
	* Copyright (c) 1995-2001,2004 Silicon Graphics, Inc. All Rights Reserved.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of version 2.1 of the GNU Lesser General Public License
	* as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	* USA
	*
	* Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
	* Mountain View, CA 94043, USA, or: http://www.sgi.com
	*/
	#ifndef _LINUX_DQBLK_XFS_H
	#define _LINUX_DQBLK_XFS_H

	#include <linux/types.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 XQM_COMMAND(x) (((x) & (0xff<<8)) == ('X'<<8)) /* test if for XFS */

	#define XQM_USRQUOTA 0 /* system call user quota type */
	#define XQM_GRPQUOTA 1 /* system call group quota type */
	#define XQM_MAXQUOTAS 2

	#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 */

	/*
	* 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 /* _LINUX_DQBLK_XFS_H */