X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fdqblk_xfs.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fdqblk_xfs.h;h=03d890b80ebc86f42917289f1822f3b14dc4768e;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/linux/dqblk_xfs.h b/i686-linux-gnu-4.7/usr/include/linux/dqblk_xfs.h new file mode 100644 index 0000000..03d890b --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/linux/dqblk_xfs.h @@ -0,0 +1,215 @@ +/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ +/* + * Copyright (c) 1995-2001,2004 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesset General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef _LINUX_DQBLK_XFS_H +#define _LINUX_DQBLK_XFS_H + +#include + +/* + * Disk quota - quotactl(2) commands for the XFS Quota Manager (XQM). + */ + +#define XQM_CMD(x) (('X'<<8)+(x)) /* note: forms first QCMD argument */ +#define XQM_COMMAND(x) (((x) & (0xff<<8)) == ('X'<<8)) /* test if for XFS */ + +#define XQM_USRQUOTA 0 /* system call user quota type */ +#define XQM_GRPQUOTA 1 /* system call group quota type */ +#define XQM_PRJQUOTA 2 /* system call project quota type */ +#define XQM_MAXQUOTAS 3 + +#define Q_XQUOTAON XQM_CMD(1) /* enable accounting/enforcement */ +#define Q_XQUOTAOFF XQM_CMD(2) /* disable accounting/enforcement */ +#define Q_XGETQUOTA XQM_CMD(3) /* get disk limits and usage */ +#define Q_XSETQLIM XQM_CMD(4) /* set disk limits */ +#define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */ +#define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */ +#define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */ +#define Q_XGETQSTATV XQM_CMD(8) /* newer version of get quota */ +#define Q_XGETNEXTQUOTA XQM_CMD(9) /* 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; /* FS_{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) + +/* + * Warning counts are set in both super user's dquot and others. For others, + * warnings are set/cleared by the administrators (or automatically by going + * below the soft limit). Superusers warning values set the warning limits + * for the rest. In case these values are zero, the DQ_{F,B}WARNLIMIT values + * defined below are used. + * These values also apply only to the d_fieldmask field for Q_XSETQLIM. + */ +#define FS_DQ_BWARNS (1<<9) +#define FS_DQ_IWARNS (1<<10) +#define FS_DQ_RTBWARNS (1<<11) +#define FS_DQ_WARNS_MASK (FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS) + +/* + * 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). + */ +#define FS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */ +#define FS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */ +#define FS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */ +#define FS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */ +#define FS_QUOTA_PDQ_ACCT (1<<4) /* project quota accounting */ +#define FS_QUOTA_PDQ_ENFD (1<<5) /* project quota limits enforcement */ + +#define FS_USER_QUOTA (1<<0) /* user quota type */ +#define FS_PROJ_QUOTA (1<<1) /* project quota type */ +#define FS_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 information 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 information 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; /* FS_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; + +/* + * fs_quota_statv is used by Q_XGETQSTATV for a given file system. It provides + * a centralized way to get meta information about the quota subsystem. eg. + * space taken up for user, group, and project quotas, number of dquots + * currently incore. + * + * This version has proper versioning support with appropriate padding for + * future expansions, and ability to expand for future without creating any + * backward compatibility issues. + * + * Q_XGETQSTATV uses the passed in value of the requested version via + * fs_quota_statv.qs_version to determine the return data layout of + * fs_quota_statv. The kernel will fill the data fields relevant to that + * version. + * + * If kernel does not support user space caller specified version, EINVAL will + * be returned. User space caller can then reduce the version number and retry + * the same command. + */ +#define FS_QSTATV_VERSION1 1 /* fs_quota_statv.qs_version */ +/* + * Some basic information about 'quota files' for Q_XGETQSTATV command + */ +struct fs_qfilestatv { + __u64 qfs_ino; /* inode number */ + __u64 qfs_nblks; /* number of BBs 512-byte-blks */ + __u32 qfs_nextents; /* number of extents */ + __u32 qfs_pad; /* pad for 8-byte alignment */ +}; + +struct fs_quota_statv { + __s8 qs_version; /* version for future changes */ + __u8 qs_pad1; /* pad for 16bit alignment */ + __u16 qs_flags; /* FS_QUOTA_.* flags */ + __u32 qs_incoredqs; /* number of dquots incore */ + struct fs_qfilestatv qs_uquota; /* user quota information */ + struct fs_qfilestatv qs_gquota; /* group quota information */ + struct fs_qfilestatv qs_pquota; /* project quota information */ + __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 */ + __u64 qs_pad2[8]; /* for future proofing */ +}; + +#endif /* _LINUX_DQBLK_XFS_H */