| /* |
| * 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 */ |
| __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) |
| |
| /* |
| * 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) |
| |
| /* |
| * 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 */ |