include/uapi/linux/quota.h - kernel/common - Git at Google

 /*
  * Copyright (c) 1982, 1986 Regents of the University of California.
  * All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Robert Elz at The University of Melbourne.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */

 #ifndef _UAPI_LINUX_QUOTA_
 #define _UAPI_LINUX_QUOTA_

 #include <linux/errno.h>
 #include <linux/types.h>

 #define __DQUOT_VERSION__	"dquot_6.6.0"

 #define MAXQUOTAS 3
 #define USRQUOTA  0		/* element used for user quotas */
 #define GRPQUOTA  1		/* element used for group quotas */
 #define PRJQUOTA  2		/* element used for project quotas */

 /*
  * Definitions for the default names of the quotas files.
  */
 #define INITQFNAMES { \
 	"user",    /* USRQUOTA */ \
 	"group",   /* GRPQUOTA */ \
 	"project", /* PRJQUOTA */ \
 	"undefined", \
 };

 /*
  * Command definitions for the 'quotactl' system call.
  * The commands are broken into a main command defined below
  * and a subcommand that is used to convey the type of
  * quota that is being manipulated (see above).
  */
 #define SUBCMDMASK  0x00ff
 #define SUBCMDSHIFT 8
 #define QCMD(cmd, type)  (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))

 #define Q_SYNC     0x800001	/* sync disk copy of a filesystems quotas */
 #define Q_QUOTAON  0x800002	/* turn quotas on */
 #define Q_QUOTAOFF 0x800003	/* turn quotas off */
 #define Q_GETFMT   0x800004	/* get quota format used on given filesystem */
 #define Q_GETINFO  0x800005	/* get information about quota files */
 #define Q_SETINFO  0x800006	/* set information about quota files */
 #define Q_GETQUOTA 0x800007	/* get user quota structure */
 #define Q_SETQUOTA 0x800008	/* set user quota structure */
 #define Q_GETNEXTQUOTA 0x800009	/* get disk limits and usage >= ID */

 /* Quota format type IDs */
 #define	QFMT_VFS_OLD 1
 #define	QFMT_VFS_V0 2
 #define QFMT_OCFS2 3
 #define	QFMT_VFS_V1 4

 /* Size of block in which space limits are passed through the quota
  * interface */
 #define QIF_DQBLKSIZE_BITS 10
 #define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)

 /*
  * Quota structure used for communication with userspace via quotactl
  * Following flags are used to specify which fields are valid
  */
 enum {
 	QIF_BLIMITS_B = 0,
 	QIF_SPACE_B,
 	QIF_ILIMITS_B,
 	QIF_INODES_B,
 	QIF_BTIME_B,
 	QIF_ITIME_B,
 };

 #define QIF_BLIMITS	(1 << QIF_BLIMITS_B)
 #define QIF_SPACE	(1 << QIF_SPACE_B)
 #define QIF_ILIMITS	(1 << QIF_ILIMITS_B)
 #define QIF_INODES	(1 << QIF_INODES_B)
 #define QIF_BTIME	(1 << QIF_BTIME_B)
 #define QIF_ITIME	(1 << QIF_ITIME_B)
 #define QIF_LIMITS	(QIF_BLIMITS | QIF_ILIMITS)
 #define QIF_USAGE	(QIF_SPACE | QIF_INODES)
 #define QIF_TIMES	(QIF_BTIME | QIF_ITIME)
 #define QIF_ALL		(QIF_LIMITS | QIF_USAGE | QIF_TIMES)

 struct if_dqblk {
 	__u64 dqb_bhardlimit;
 	__u64 dqb_bsoftlimit;
 	__u64 dqb_curspace;
 	__u64 dqb_ihardlimit;
 	__u64 dqb_isoftlimit;
 	__u64 dqb_curinodes;
 	__u64 dqb_btime;
 	__u64 dqb_itime;
 	__u32 dqb_valid;
 };

 struct if_nextdqblk {
 	__u64 dqb_bhardlimit;
 	__u64 dqb_bsoftlimit;
 	__u64 dqb_curspace;
 	__u64 dqb_ihardlimit;
 	__u64 dqb_isoftlimit;
 	__u64 dqb_curinodes;
 	__u64 dqb_btime;
 	__u64 dqb_itime;
 	__u32 dqb_valid;
 	__u32 dqb_id;
 };

 /*
  * Structure used for setting quota information about file via quotactl
  * Following flags are used to specify which fields are valid
  */
 #define IIF_BGRACE	1
 #define IIF_IGRACE	2
 #define IIF_FLAGS	4
 #define IIF_ALL		(IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)

 enum {
 	DQF_ROOT_SQUASH_B = 0,
 	DQF_SYS_FILE_B = 16,
 	/* Kernel internal flags invisible to userspace */
 	DQF_PRIVATE
 };

 /* Root squash enabled (for v1 quota format) */
 #define DQF_ROOT_SQUASH	(1 << DQF_ROOT_SQUASH_B)
 /* Quota stored in a system file */
 #define DQF_SYS_FILE	(1 << DQF_SYS_FILE_B)

 struct if_dqinfo {
 	__u64 dqi_bgrace;
 	__u64 dqi_igrace;
 	__u32 dqi_flags;	/* DFQ_* */
 	__u32 dqi_valid;
 };

 /*
  * Definitions for quota netlink interface
  */
 #define QUOTA_NL_NOWARN 0
 #define QUOTA_NL_IHARDWARN 1		/* Inode hardlimit reached */
 #define QUOTA_NL_ISOFTLONGWARN 2 	/* Inode grace time expired */
 #define QUOTA_NL_ISOFTWARN 3		/* Inode softlimit reached */
 #define QUOTA_NL_BHARDWARN 4		/* Block hardlimit reached */
 #define QUOTA_NL_BSOFTLONGWARN 5	/* Block grace time expired */
 #define QUOTA_NL_BSOFTWARN 6		/* Block softlimit reached */
 #define QUOTA_NL_IHARDBELOW 7		/* Usage got below inode hardlimit */
 #define QUOTA_NL_ISOFTBELOW 8		/* Usage got below inode softlimit */
 #define QUOTA_NL_BHARDBELOW 9		/* Usage got below block hardlimit */
 #define QUOTA_NL_BSOFTBELOW 10		/* Usage got below block softlimit */

 enum {
 	QUOTA_NL_C_UNSPEC,
 	QUOTA_NL_C_WARNING,
 	__QUOTA_NL_C_MAX,
 };
 #define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)

 enum {
 	QUOTA_NL_A_UNSPEC,
 	QUOTA_NL_A_QTYPE,
 	QUOTA_NL_A_EXCESS_ID,
 	QUOTA_NL_A_WARNING,
 	QUOTA_NL_A_DEV_MAJOR,
 	QUOTA_NL_A_DEV_MINOR,
 	QUOTA_NL_A_CAUSED_ID,
 	QUOTA_NL_A_PAD,
 	__QUOTA_NL_A_MAX,
 };
 #define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)


 #endif /* _UAPI_LINUX_QUOTA_ */
	/*
	* Copyright (c) 1982, 1986 Regents of the University of California.
	* All rights reserved.
	*
	* This code is derived from software contributed to Berkeley by
	* Robert Elz at The University of Melbourne.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. Neither the name of the University nor the names of its contributors
	* may be used to endorse or promote products derived from this software
	* without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#ifndef _UAPI_LINUX_QUOTA_
	#define _UAPI_LINUX_QUOTA_

	#include <linux/errno.h>
	#include <linux/types.h>

	#define __DQUOT_VERSION__ "dquot_6.6.0"

	#define MAXQUOTAS 3
	#define USRQUOTA 0 /* element used for user quotas */
	#define GRPQUOTA 1 /* element used for group quotas */
	#define PRJQUOTA 2 /* element used for project quotas */

	/*
	* Definitions for the default names of the quotas files.
	*/
	#define INITQFNAMES { \
	"user", /* USRQUOTA */ \
	"group", /* GRPQUOTA */ \
	"project", /* PRJQUOTA */ \
	"undefined", \
	};

	/*
	* Command definitions for the 'quotactl' system call.
	* The commands are broken into a main command defined below
	* and a subcommand that is used to convey the type of
	* quota that is being manipulated (see above).
	*/
	#define SUBCMDMASK 0x00ff
	#define SUBCMDSHIFT 8
	#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) \| ((type) & SUBCMDMASK))

	#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
	#define Q_QUOTAON 0x800002 /* turn quotas on */
	#define Q_QUOTAOFF 0x800003 /* turn quotas off */
	#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
	#define Q_GETINFO 0x800005 /* get information about quota files */
	#define Q_SETINFO 0x800006 /* set information about quota files */
	#define Q_GETQUOTA 0x800007 /* get user quota structure */
	#define Q_SETQUOTA 0x800008 /* set user quota structure */
	#define Q_GETNEXTQUOTA 0x800009 /* get disk limits and usage >= ID */

	/* Quota format type IDs */
	#define QFMT_VFS_OLD 1
	#define QFMT_VFS_V0 2
	#define QFMT_OCFS2 3
	#define QFMT_VFS_V1 4

	/* Size of block in which space limits are passed through the quota
	* interface */
	#define QIF_DQBLKSIZE_BITS 10
	#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS)

	/*
	* Quota structure used for communication with userspace via quotactl
	* Following flags are used to specify which fields are valid
	*/
	enum {
	QIF_BLIMITS_B = 0,
	QIF_SPACE_B,
	QIF_ILIMITS_B,
	QIF_INODES_B,
	QIF_BTIME_B,
	QIF_ITIME_B,
	};

	#define QIF_BLIMITS (1 << QIF_BLIMITS_B)
	#define QIF_SPACE (1 << QIF_SPACE_B)
	#define QIF_ILIMITS (1 << QIF_ILIMITS_B)
	#define QIF_INODES (1 << QIF_INODES_B)
	#define QIF_BTIME (1 << QIF_BTIME_B)
	#define QIF_ITIME (1 << QIF_ITIME_B)
	#define QIF_LIMITS (QIF_BLIMITS \| QIF_ILIMITS)
	#define QIF_USAGE (QIF_SPACE \| QIF_INODES)
	#define QIF_TIMES (QIF_BTIME \| QIF_ITIME)
	#define QIF_ALL (QIF_LIMITS \| QIF_USAGE \| QIF_TIMES)

	struct if_dqblk {
	__u64 dqb_bhardlimit;
	__u64 dqb_bsoftlimit;
	__u64 dqb_curspace;
	__u64 dqb_ihardlimit;
	__u64 dqb_isoftlimit;
	__u64 dqb_curinodes;
	__u64 dqb_btime;
	__u64 dqb_itime;
	__u32 dqb_valid;
	};

	struct if_nextdqblk {
	__u64 dqb_bhardlimit;
	__u64 dqb_bsoftlimit;
	__u64 dqb_curspace;
	__u64 dqb_ihardlimit;
	__u64 dqb_isoftlimit;
	__u64 dqb_curinodes;
	__u64 dqb_btime;
	__u64 dqb_itime;
	__u32 dqb_valid;
	__u32 dqb_id;
	};

	/*
	* Structure used for setting quota information about file via quotactl
	* Following flags are used to specify which fields are valid
	*/
	#define IIF_BGRACE 1
	#define IIF_IGRACE 2
	#define IIF_FLAGS 4
	#define IIF_ALL (IIF_BGRACE \| IIF_IGRACE \| IIF_FLAGS)

	enum {
	DQF_ROOT_SQUASH_B = 0,
	DQF_SYS_FILE_B = 16,
	/* Kernel internal flags invisible to userspace */
	DQF_PRIVATE
	};

	/* Root squash enabled (for v1 quota format) */
	#define DQF_ROOT_SQUASH (1 << DQF_ROOT_SQUASH_B)
	/* Quota stored in a system file */
	#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B)

	struct if_dqinfo {
	__u64 dqi_bgrace;
	__u64 dqi_igrace;
	__u32 dqi_flags; /* DFQ_* */
	__u32 dqi_valid;
	};

	/*
	* Definitions for quota netlink interface
	*/
	#define QUOTA_NL_NOWARN 0
	#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
	#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
	#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
	#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
	#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
	#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
	#define QUOTA_NL_IHARDBELOW 7 /* Usage got below inode hardlimit */
	#define QUOTA_NL_ISOFTBELOW 8 /* Usage got below inode softlimit */
	#define QUOTA_NL_BHARDBELOW 9 /* Usage got below block hardlimit */
	#define QUOTA_NL_BSOFTBELOW 10 /* Usage got below block softlimit */

	enum {
	QUOTA_NL_C_UNSPEC,
	QUOTA_NL_C_WARNING,
	__QUOTA_NL_C_MAX,
	};
	#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)

	enum {
	QUOTA_NL_A_UNSPEC,
	QUOTA_NL_A_QTYPE,
	QUOTA_NL_A_EXCESS_ID,
	QUOTA_NL_A_WARNING,
	QUOTA_NL_A_DEV_MAJOR,
	QUOTA_NL_A_DEV_MINOR,
	QUOTA_NL_A_CAUSED_ID,
	QUOTA_NL_A_PAD,
	__QUOTA_NL_A_MAX,
	};
	#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)


	#endif /* _UAPI_LINUX_QUOTA_ */