--- /dev/null
+#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_ */
projects / samba / blobdiff