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/*

 * 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 _LINUX_QUOTA_

#define _LINUX_QUOTA_

#include <linux/errno.h>

#include <linux/types.h>

#define __DQUOT_VERSION__       "dquot_6.5.2"

#define MAXQUOTAS 2

#define USRQUOTA  0             /* element used for user quotas */

#define GRPQUOTA  1             /* element used for group quotas */

/*

 * Definitions for the default names of the quotas files.

 */

#define INITQFNAMES { \

        "user",    /* USRQUOTA */ \

        "group",   /* GRPQUOTA */ \

        "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 */

/* 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;

};

/*

 * 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)

struct if_dqinfo {

        __u64 dqi_bgrace;

        __u64 dqi_igrace;

        __u32 dqi_flags;

        __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_MAX,

};

#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)

#endif /* _LINUX_QUOTA_ */