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Diffstat (limited to 'source3/include/samba_xfs_quota.h')
| -rw-r--r-- | source3/include/samba_xfs_quota.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/source3/include/samba_xfs_quota.h b/source3/include/samba_xfs_quota.h new file mode 100644 index 0000000000..1db435064a --- /dev/null +++ b/source3/include/samba_xfs_quota.h @@ -0,0 +1,165 @@ +#ifndef _SAMBA_LINUX_XFS_H_ +#define _SAMBA_LINUX_XFS_H_ + +#ifndef _QUOTAIO_LINUX_XFS +#define _QUOTAIO_LINUX_XFS + +/* + * 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/ + */ + +#include <linux/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 */ + +/* + * 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 { + u_int8_t d_version; /* version of this structure */ + u_int8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ + u_int16_t d_fieldmask; /* field specifier */ + u_int32_t d_id; /* user, project, or group ID */ + u_int64_t d_blk_hardlimit; /* absolute limit on disk blks */ + u_int64_t d_blk_softlimit; /* preferred limit on disk blks */ + u_int64_t d_ino_hardlimit; /* maximum # allocated inodes */ + u_int64_t d_ino_softlimit; /* preferred inode limit */ + u_int64_t d_bcount; /* # disk blocks owned by the user */ + u_int64_t d_icount; /* # inodes owned by the user */ + int32_t d_itimer; /* zero if within inode limits */ + /* if not, we refuse service */ + int32_t d_btimer; /* similar to above; for disk blocks */ + u_int16_t d_iwarns; /* # warnings issued wrt num inodes */ + u_int16_t d_bwarns; /* # warnings issued wrt disk blocks */ + int32_t d_padding2; /* padding2 - for future use */ + u_int64_t d_rtb_hardlimit; /* absolute limit on realtime blks */ + u_int64_t d_rtb_softlimit; /* preferred limit on RT disk blks */ + u_int64_t d_rtbcount; /* # realtime blocks owned */ + int32_t d_rtbtimer; /* similar to above; for RT disk blks */ + u_int16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */ + int16_t 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) + +/* + * The following constants define the default amount of time given a user + * before the soft limits are treated as hard limits (usually resulting + * in an allocation failure). These may be modified by the quotactl(2) + * system call with the Q_XSETQLIM command. + */ +#define DQ_FTIMELIMIT (7 * 24*60*60) /* 1 week */ +#define DQ_BTIMELIMIT (7 * 24*60*60) /* 1 week */ + +/* + * 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_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 { + u_int64_t qfs_ino; /* inode number */ + u_int64_t qfs_nblks; /* number of BBs 512-byte-blks */ + u_int32_t qfs_nextents; /* number of extents */ +} fs_qfilestat_t; + +typedef struct fs_quota_stat { + u_int8_t qs_version; /* version number for future changes */ + u_int16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ + u_int8_t qs_pad; /* unused */ + fs_qfilestat_t qs_uquota; /* user quota storage information */ + fs_qfilestat_t qs_gquota; /* group quota storage information */ + u_int32_t qs_incoredqs; /* number of dquots incore */ + int32_t qs_btimelimit; /* limit for blks timer */ + int32_t qs_itimelimit; /* limit for inodes timer */ + int32_t qs_rtbtimelimit; /* limit for rt blks timer */ + u_int16_t qs_bwarnlimit; /* limit for num warnings */ + u_int16_t qs_iwarnlimit; /* limit for num warnings */ +} fs_quota_stat_t; + +#endif /* _QUOTAIO_LINUX_XFS */ + +#endif /* _SAMBA_LINUX_XFS_H_ */ |