quota.c - platform/external/strace - Gitiles

 /*
  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
  * Copyright (c) 2005, 2006 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
  * 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. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
  */

 #include "defs.h"

 #define SUBCMDMASK  0x00ff
 #define SUBCMDSHIFT 8
 #define QCMD_CMD(cmd)	((u_int32_t)(cmd) >> SUBCMDSHIFT)
 #define QCMD_TYPE(cmd)	((u_int32_t)(cmd) & SUBCMDMASK)

 #define OLD_CMD(cmd)	((u_int32_t)(cmd) << 8)
 #define NEW_CMD(cmd)	((u_int32_t)(cmd) | 0x800000)
 #define XQM_CMD(cmd)	((u_int32_t)(cmd) | ('X'<<8))

 #define Q_V1_QUOTAON	OLD_CMD(0x1)
 #define Q_V1_QUOTAOFF	OLD_CMD(0x2)
 #define Q_V1_GETQUOTA	OLD_CMD(0x3)
 #define Q_V1_SETQUOTA	OLD_CMD(0x4)
 #define Q_V1_SETUSE	OLD_CMD(0x5)
 #define Q_V1_SYNC	OLD_CMD(0x6)
 #define Q_SETQLIM	OLD_CMD(0x7)
 #define Q_V1_GETSTATS	OLD_CMD(0x8)
 #define Q_V1_RSQUASH	OLD_CMD(0x10)

 #define Q_V2_GETQUOTA	OLD_CMD(0xD)
 #define Q_V2_SETQUOTA	OLD_CMD(0xE)
 #define Q_V2_SETUSE	OLD_CMD(0xF)
 #define Q_V2_GETINFO	OLD_CMD(0x9)
 #define Q_V2_SETINFO	OLD_CMD(0xA)
 #define Q_V2_SETGRACE	OLD_CMD(0xB)
 #define Q_V2_SETFLAGS	OLD_CMD(0xC)
 #define Q_V2_GETSTATS	OLD_CMD(0x11)

 #define Q_SYNC		NEW_CMD(0x1)
 #define Q_QUOTAON	NEW_CMD(0x2)
 #define Q_QUOTAOFF	NEW_CMD(0x3)
 #define Q_GETFMT	NEW_CMD(0x4)
 #define Q_GETINFO	NEW_CMD(0x5)
 #define Q_SETINFO	NEW_CMD(0x6)
 #define Q_GETQUOTA	NEW_CMD(0x7)
 #define Q_SETQUOTA	NEW_CMD(0x8)

 #define Q_XQUOTAON	XQM_CMD(0x1)
 #define Q_XQUOTAOFF	XQM_CMD(0x2)
 #define Q_XGETQUOTA	XQM_CMD(0x3)
 #define Q_XSETQLIM	XQM_CMD(0x4)
 #define Q_XGETQSTAT	XQM_CMD(0x5)
 #define Q_XQUOTARM	XQM_CMD(0x6)
 #define Q_XQUOTASYNC	XQM_CMD(0x7)

 #include "xlat/quotacmds.h"

 #define USRQUOTA 0
 #define GRPQUOTA 1

 #include "xlat/quotatypes.h"

 /* Quota format identifiers */
 #define QFMT_VFS_OLD 1
 #define QFMT_VFS_V0  2

 #include "xlat/quota_formats.h"

 #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 */

 #include "xlat/xfs_quota_flags.h"
 #include "xlat/xfs_dqblk_flags.h"

 /*
  * Following flags are used to specify which fields are valid
  */
 #define QIF_BLIMITS	1
 #define QIF_SPACE	2
 #define QIF_ILIMITS	4
 #define QIF_INODES	8
 #define QIF_BTIME	16
 #define QIF_ITIME	32

 #include "xlat/if_dqblk_valid.h"

 struct if_dqblk
 {
 	u_int64_t dqb_bhardlimit;
 	u_int64_t dqb_bsoftlimit;
 	u_int64_t dqb_curspace;
 	u_int64_t dqb_ihardlimit;
 	u_int64_t dqb_isoftlimit;
 	u_int64_t dqb_curinodes;
 	u_int64_t dqb_btime;
 	u_int64_t dqb_itime;
 	u_int32_t dqb_valid;
 };

 struct v1_dqblk
 {
 	u_int32_t dqb_bhardlimit;	/* absolute limit on disk blks alloc */
 	u_int32_t dqb_bsoftlimit;	/* preferred limit on disk blks */
 	u_int32_t dqb_curblocks;	/* current block count */
 	u_int32_t dqb_ihardlimit;	/* maximum # allocated inodes */
 	u_int32_t dqb_isoftlimit;	/* preferred inode limit */
 	u_int32_t dqb_curinodes;	/* current # allocated inodes */
 	time_t  dqb_btime;	/* time limit for excessive disk use */
 	time_t  dqb_itime;	/* time limit for excessive files */
 };

 struct v2_dqblk
 {
 	unsigned int dqb_ihardlimit;
 	unsigned int dqb_isoftlimit;
 	unsigned int dqb_curinodes;
 	unsigned int dqb_bhardlimit;
 	unsigned int dqb_bsoftlimit;
 	u_int64_t dqb_curspace;
 	time_t  dqb_btime;
 	time_t  dqb_itime;
 };

 struct xfs_dqblk
 {
 	int8_t  d_version;	/* version of this structure */
 	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 */
 	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 */
 };

 /*
  * Following flags are used to specify which fields are valid
  */
 #define IIF_BGRACE	1
 #define IIF_IGRACE	2
 #define IIF_FLAGS	4

 #include "xlat/if_dqinfo_valid.h"

 struct if_dqinfo
 {
 	u_int64_t dqi_bgrace;
 	u_int64_t dqi_igrace;
 	u_int32_t dqi_flags;
 	u_int32_t dqi_valid;
 };

 struct v2_dqinfo
 {
 	unsigned int dqi_bgrace;
 	unsigned int dqi_igrace;
 	unsigned int dqi_flags;
 	unsigned int dqi_blocks;
 	unsigned int dqi_free_blk;
 	unsigned int dqi_free_entry;
 };

 struct v1_dqstats
 {
 	u_int32_t lookups;
 	u_int32_t drops;
 	u_int32_t reads;
 	u_int32_t writes;
 	u_int32_t cache_hits;
 	u_int32_t allocated_dquots;
 	u_int32_t free_dquots;
 	u_int32_t syncs;
 };

 struct v2_dqstats
 {
 	u_int32_t lookups;
 	u_int32_t drops;
 	u_int32_t reads;
 	u_int32_t writes;
 	u_int32_t cache_hits;
 	u_int32_t allocated_dquots;
 	u_int32_t free_dquots;
 	u_int32_t syncs;
 	u_int32_t version;
 };

 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;

 struct xfs_dqstats
 {
 	int8_t  qs_version;	/* version number for future changes */
 	u_int16_t qs_flags;	/* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
 	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 */
 };

 static void
 decode_cmd_data(struct tcb *tcp, u_int32_t cmd, unsigned long data)
 {
 	switch (cmd) {
 		case Q_GETQUOTA:
 		case Q_SETQUOTA:
 		{
 			struct if_dqblk dq;

 			if (cmd == Q_GETQUOTA && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit);
 			tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit);
 			tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
 			tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit);
 			tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit);
 			tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes);
 			if (!abbrev(tcp)) {
 				tprintf("btime=%" PRIu64 ", ", dq.dqb_btime);
 				tprintf("itime=%" PRIu64 ", ", dq.dqb_itime);
 				tprints("valid=");
 				printflags(if_dqblk_valid,
 					   dq.dqb_valid, "QIF_???");
 				tprints("}");
 			} else
 				tprints("...}");
 			break;
 		}
 		case Q_V1_GETQUOTA:
 		case Q_V1_SETQUOTA:
 		{
 			struct v1_dqblk dq;

 			if (cmd == Q_V1_GETQUOTA && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{bhardlimit=%u, ", dq.dqb_bhardlimit);
 			tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
 			tprintf("curblocks=%u, ", dq.dqb_curblocks);
 			tprintf("ihardlimit=%u, ", dq.dqb_ihardlimit);
 			tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
 			tprintf("curinodes=%u, ", dq.dqb_curinodes);
 			tprintf("btime=%lu, ", (long) dq.dqb_btime);
 			tprintf("itime=%lu}", (long) dq.dqb_itime);
 			break;
 		}
 		case Q_V2_GETQUOTA:
 		case Q_V2_SETQUOTA:
 		{
 			struct v2_dqblk dq;

 			if (cmd == Q_V2_GETQUOTA && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{ihardlimit=%u, ", dq.dqb_ihardlimit);
 			tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
 			tprintf("curinodes=%u, ", dq.dqb_curinodes);
 			tprintf("bhardlimit=%u, ", dq.dqb_bhardlimit);
 			tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
 			tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
 			tprintf("btime=%lu, ", (long) dq.dqb_btime);
 			tprintf("itime=%lu}", (long) dq.dqb_itime);
 			break;
 		}
 		case Q_XGETQUOTA:
 		case Q_XSETQLIM:
 		{
 			struct xfs_dqblk dq;

 			if (cmd == Q_XGETQUOTA && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{version=%d, ", dq.d_version);
 			tprints("flags=");
 			printflags(xfs_dqblk_flags,
 				   dq.d_flags, "XFS_???_QUOTA");
 			tprintf(", fieldmask=%#x, ", dq.d_fieldmask);
 			tprintf("id=%u, ", dq.d_id);
 			tprintf("blk_hardlimit=%" PRIu64 ", ", dq.d_blk_hardlimit);
 			tprintf("blk_softlimit=%" PRIu64 ", ", dq.d_blk_softlimit);
 			tprintf("ino_hardlimit=%" PRIu64 ", ", dq.d_ino_hardlimit);
 			tprintf("ino_softlimit=%" PRIu64 ", ", dq.d_ino_softlimit);
 			tprintf("bcount=%" PRIu64 ", ", dq.d_bcount);
 			tprintf("icount=%" PRIu64 ", ", dq.d_icount);
 			if (!abbrev(tcp)) {
 				tprintf("itimer=%d, ", dq.d_itimer);
 				tprintf("btimer=%d, ", dq.d_btimer);
 				tprintf("iwarns=%u, ", dq.d_iwarns);
 				tprintf("bwarns=%u, ", dq.d_bwarns);
 				tprintf("rtbcount=%" PRIu64 ", ", dq.d_rtbcount);
 				tprintf("rtbtimer=%d, ", dq.d_rtbtimer);
 				tprintf("rtbwarns=%u}", dq.d_rtbwarns);
 			} else
 				tprints("...}");
 			break;
 		}
 		case Q_GETFMT:
 		{
 			u_int32_t fmt;

 			if (syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &fmt) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprints("{");
 			printxval(quota_formats, fmt, "QFMT_VFS_???");
 			tprints("}");
 			break;
 		}
 		case Q_GETINFO:
 		case Q_SETINFO:
 		{
 			struct if_dqinfo dq;

 			if (cmd == Q_GETINFO && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace);
 			tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace);
 			tprintf("flags=%#x, ", dq.dqi_flags);
 			tprints("valid=");
 			printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???");
 			tprints("}");
 			break;
 		}
 		case Q_V2_GETINFO:
 		case Q_V2_SETINFO:
 		{
 			struct v2_dqinfo dq;

 			if (cmd == Q_V2_GETINFO && syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{bgrace=%u, ", dq.dqi_bgrace);
 			tprintf("igrace=%u, ", dq.dqi_igrace);
 			tprintf("flags=%#x, ", dq.dqi_flags);
 			tprintf("blocks=%u, ", dq.dqi_blocks);
 			tprintf("free_blk=%u, ", dq.dqi_free_blk);
 			tprintf("free_entry=%u}", dq.dqi_free_entry);
 			break;
 		}
 		case Q_V1_GETSTATS:
 		{
 			struct v1_dqstats dq;

 			if (syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{lookups=%u, ", dq.lookups);
 			tprintf("drops=%u, ", dq.drops);
 			tprintf("reads=%u, ", dq.reads);
 			tprintf("writes=%u, ", dq.writes);
 			tprintf("cache_hits=%u, ", dq.cache_hits);
 			tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
 			tprintf("free_dquots=%u, ", dq.free_dquots);
 			tprintf("syncs=%u}", dq.syncs);
 			break;
 		}
 		case Q_V2_GETSTATS:
 		{
 			struct v2_dqstats dq;

 			if (syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{lookups=%u, ", dq.lookups);
 			tprintf("drops=%u, ", dq.drops);
 			tprintf("reads=%u, ", dq.reads);
 			tprintf("writes=%u, ", dq.writes);
 			tprintf("cache_hits=%u, ", dq.cache_hits);
 			tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
 			tprintf("free_dquots=%u, ", dq.free_dquots);
 			tprintf("syncs=%u, ", dq.syncs);
 			tprintf("version=%u}", dq.version);
 			break;
 		}
 		case Q_XGETQSTAT:
 		{
 			struct xfs_dqstats dq;

 			if (syserror(tcp)) {
 				tprintf("%#lx", data);
 				break;
 			}
 			if (umove(tcp, data, &dq) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprintf("{version=%d, ", dq.qs_version);
 			if (abbrev(tcp)) {
 				tprints("...}");
 				break;
 			}
 			tprints("flags=");
 			printflags(xfs_quota_flags,
 				   dq.qs_flags, "XFS_QUOTA_???");
 			tprintf(", incoredqs=%u, ", dq.qs_incoredqs);
 			tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino);
 			tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks);
 			tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents);
 			tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino);
 			tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks);
 			tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents);
 			tprintf("btimelimit=%d, ", dq.qs_btimelimit);
 			tprintf("itimelimit=%d, ", dq.qs_itimelimit);
 			tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit);
 			tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit);
 			tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit);
 			break;
 		}
 		case Q_XQUOTAON:
 		{
 			u_int32_t flag;

 			if (umove(tcp, data, &flag) < 0) {
 				tprintf("{???} %#lx", data);
 				break;
 			}
 			tprints("{");
 			printflags(xfs_quota_flags, flag, "XFS_QUOTA_???");
 			tprints("}");
 			break;
 		}
 		default:
 			tprintf("%#lx", data);
 			break;
 	}
 }

 SYS_FUNC(quotactl)
 {
 	/*
 	 * The Linux kernel only looks at the low 32 bits of command and id
 	 * arguments, but on some 64-bit architectures (s390x) this word
 	 * will have been sign-extended when we see it.  The high 1 bits
 	 * don't mean anything, so don't confuse the output with them.
 	 */
 	u_int32_t qcmd = tcp->u_arg[0];
 	u_int32_t cmd = QCMD_CMD(qcmd);
 	u_int32_t type = QCMD_TYPE(qcmd);
 	u_int32_t id = tcp->u_arg[2];

 	if (!verbose(tcp))
 		return printargs(tcp);

 	if (entering(tcp)) {
 		printxval(quotacmds, cmd, "Q_???");
 		tprints("|");
 		printxval(quotatypes, type, "???QUOTA");
 		tprints(", ");
 		printpath(tcp, tcp->u_arg[1]);
 		tprints(", ");
 		switch (cmd) {
 			case Q_V1_QUOTAON:
 			case Q_QUOTAON:
 				printxval(quota_formats, id, "QFMT_VFS_???");
 				break;
 			case Q_V1_GETQUOTA:
 			case Q_V2_GETQUOTA:
 			case Q_GETQUOTA:
 			case Q_V1_SETQUOTA:
 			case Q_V2_SETQUOTA:
 			case Q_V1_SETUSE:
 			case Q_V2_SETUSE:
 			case Q_SETQLIM:
 			case Q_SETQUOTA:
 			case Q_XGETQUOTA:
 			case Q_XSETQLIM:
 				tprintf("%u", id);
 				break;
 			default:
 				tprintf("%#lx", tcp->u_arg[2]);
 				break;
 		}
 		tprints(", ");
 	} else {
 		if (!tcp->u_arg[3])
 			tprints("NULL");
 		else
 			decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
 	}
 	return 0;
 }
	/*
	* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
	* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
	* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
	* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
	* Copyright (c) 2005, 2006 Dmitry V. Levin <ldv@altlinux.org>
	* All rights reserved.
	*
	* 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. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
	*/

	#include "defs.h"

	#define SUBCMDMASK 0x00ff
	#define SUBCMDSHIFT 8
	#define QCMD_CMD(cmd) ((u_int32_t)(cmd) >> SUBCMDSHIFT)
	#define QCMD_TYPE(cmd) ((u_int32_t)(cmd) & SUBCMDMASK)

	#define OLD_CMD(cmd) ((u_int32_t)(cmd) << 8)
	#define NEW_CMD(cmd) ((u_int32_t)(cmd) \| 0x800000)
	#define XQM_CMD(cmd) ((u_int32_t)(cmd) \| ('X'<<8))

	#define Q_V1_QUOTAON OLD_CMD(0x1)
	#define Q_V1_QUOTAOFF OLD_CMD(0x2)
	#define Q_V1_GETQUOTA OLD_CMD(0x3)
	#define Q_V1_SETQUOTA OLD_CMD(0x4)
	#define Q_V1_SETUSE OLD_CMD(0x5)
	#define Q_V1_SYNC OLD_CMD(0x6)
	#define Q_SETQLIM OLD_CMD(0x7)
	#define Q_V1_GETSTATS OLD_CMD(0x8)
	#define Q_V1_RSQUASH OLD_CMD(0x10)

	#define Q_V2_GETQUOTA OLD_CMD(0xD)
	#define Q_V2_SETQUOTA OLD_CMD(0xE)
	#define Q_V2_SETUSE OLD_CMD(0xF)
	#define Q_V2_GETINFO OLD_CMD(0x9)
	#define Q_V2_SETINFO OLD_CMD(0xA)
	#define Q_V2_SETGRACE OLD_CMD(0xB)
	#define Q_V2_SETFLAGS OLD_CMD(0xC)
	#define Q_V2_GETSTATS OLD_CMD(0x11)

	#define Q_SYNC NEW_CMD(0x1)
	#define Q_QUOTAON NEW_CMD(0x2)
	#define Q_QUOTAOFF NEW_CMD(0x3)
	#define Q_GETFMT NEW_CMD(0x4)
	#define Q_GETINFO NEW_CMD(0x5)
	#define Q_SETINFO NEW_CMD(0x6)
	#define Q_GETQUOTA NEW_CMD(0x7)
	#define Q_SETQUOTA NEW_CMD(0x8)

	#define Q_XQUOTAON XQM_CMD(0x1)
	#define Q_XQUOTAOFF XQM_CMD(0x2)
	#define Q_XGETQUOTA XQM_CMD(0x3)
	#define Q_XSETQLIM XQM_CMD(0x4)
	#define Q_XGETQSTAT XQM_CMD(0x5)
	#define Q_XQUOTARM XQM_CMD(0x6)
	#define Q_XQUOTASYNC XQM_CMD(0x7)

	#include "xlat/quotacmds.h"

	#define USRQUOTA 0
	#define GRPQUOTA 1

	#include "xlat/quotatypes.h"

	/* Quota format identifiers */
	#define QFMT_VFS_OLD 1
	#define QFMT_VFS_V0 2

	#include "xlat/quota_formats.h"

	#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 */

	#include "xlat/xfs_quota_flags.h"
	#include "xlat/xfs_dqblk_flags.h"

	/*
	* Following flags are used to specify which fields are valid
	*/
	#define QIF_BLIMITS 1
	#define QIF_SPACE 2
	#define QIF_ILIMITS 4
	#define QIF_INODES 8
	#define QIF_BTIME 16
	#define QIF_ITIME 32

	#include "xlat/if_dqblk_valid.h"

	struct if_dqblk
	{
	u_int64_t dqb_bhardlimit;
	u_int64_t dqb_bsoftlimit;
	u_int64_t dqb_curspace;
	u_int64_t dqb_ihardlimit;
	u_int64_t dqb_isoftlimit;
	u_int64_t dqb_curinodes;
	u_int64_t dqb_btime;
	u_int64_t dqb_itime;
	u_int32_t dqb_valid;
	};

	struct v1_dqblk
	{
	u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
	u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
	u_int32_t dqb_curblocks; /* current block count */
	u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
	u_int32_t dqb_isoftlimit; /* preferred inode limit */
	u_int32_t dqb_curinodes; /* current # allocated inodes */
	time_t dqb_btime; /* time limit for excessive disk use */
	time_t dqb_itime; /* time limit for excessive files */
	};

	struct v2_dqblk
	{
	unsigned int dqb_ihardlimit;
	unsigned int dqb_isoftlimit;
	unsigned int dqb_curinodes;
	unsigned int dqb_bhardlimit;
	unsigned int dqb_bsoftlimit;
	u_int64_t dqb_curspace;
	time_t dqb_btime;
	time_t dqb_itime;
	};

	struct xfs_dqblk
	{
	int8_t d_version; /* version of this structure */
	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 */
	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 */
	};

	/*
	* Following flags are used to specify which fields are valid
	*/
	#define IIF_BGRACE 1
	#define IIF_IGRACE 2
	#define IIF_FLAGS 4

	#include "xlat/if_dqinfo_valid.h"

	struct if_dqinfo
	{
	u_int64_t dqi_bgrace;
	u_int64_t dqi_igrace;
	u_int32_t dqi_flags;
	u_int32_t dqi_valid;
	};

	struct v2_dqinfo
	{
	unsigned int dqi_bgrace;
	unsigned int dqi_igrace;
	unsigned int dqi_flags;
	unsigned int dqi_blocks;
	unsigned int dqi_free_blk;
	unsigned int dqi_free_entry;
	};

	struct v1_dqstats
	{
	u_int32_t lookups;
	u_int32_t drops;
	u_int32_t reads;
	u_int32_t writes;
	u_int32_t cache_hits;
	u_int32_t allocated_dquots;
	u_int32_t free_dquots;
	u_int32_t syncs;
	};

	struct v2_dqstats
	{
	u_int32_t lookups;
	u_int32_t drops;
	u_int32_t reads;
	u_int32_t writes;
	u_int32_t cache_hits;
	u_int32_t allocated_dquots;
	u_int32_t free_dquots;
	u_int32_t syncs;
	u_int32_t version;
	};

	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;

	struct xfs_dqstats
	{
	int8_t qs_version; /* version number for future changes */
	u_int16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
	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 */
	};

	static void
	decode_cmd_data(struct tcb *tcp, u_int32_t cmd, unsigned long data)
	{
	switch (cmd) {
	case Q_GETQUOTA:
	case Q_SETQUOTA:
	{
	struct if_dqblk dq;

	if (cmd == Q_GETQUOTA && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit);
	tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit);
	tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
	tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit);
	tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit);
	tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes);
	if (!abbrev(tcp)) {
	tprintf("btime=%" PRIu64 ", ", dq.dqb_btime);
	tprintf("itime=%" PRIu64 ", ", dq.dqb_itime);
	tprints("valid=");
	printflags(if_dqblk_valid,
	dq.dqb_valid, "QIF_???");
	tprints("}");
	} else
	tprints("...}");
	break;
	}
	case Q_V1_GETQUOTA:
	case Q_V1_SETQUOTA:
	{
	struct v1_dqblk dq;

	if (cmd == Q_V1_GETQUOTA && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{bhardlimit=%u, ", dq.dqb_bhardlimit);
	tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
	tprintf("curblocks=%u, ", dq.dqb_curblocks);
	tprintf("ihardlimit=%u, ", dq.dqb_ihardlimit);
	tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
	tprintf("curinodes=%u, ", dq.dqb_curinodes);
	tprintf("btime=%lu, ", (long) dq.dqb_btime);
	tprintf("itime=%lu}", (long) dq.dqb_itime);
	break;
	}
	case Q_V2_GETQUOTA:
	case Q_V2_SETQUOTA:
	{
	struct v2_dqblk dq;

	if (cmd == Q_V2_GETQUOTA && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{ihardlimit=%u, ", dq.dqb_ihardlimit);
	tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
	tprintf("curinodes=%u, ", dq.dqb_curinodes);
	tprintf("bhardlimit=%u, ", dq.dqb_bhardlimit);
	tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
	tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
	tprintf("btime=%lu, ", (long) dq.dqb_btime);
	tprintf("itime=%lu}", (long) dq.dqb_itime);
	break;
	}
	case Q_XGETQUOTA:
	case Q_XSETQLIM:
	{
	struct xfs_dqblk dq;

	if (cmd == Q_XGETQUOTA && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{version=%d, ", dq.d_version);
	tprints("flags=");
	printflags(xfs_dqblk_flags,
	dq.d_flags, "XFS_???_QUOTA");
	tprintf(", fieldmask=%#x, ", dq.d_fieldmask);
	tprintf("id=%u, ", dq.d_id);
	tprintf("blk_hardlimit=%" PRIu64 ", ", dq.d_blk_hardlimit);
	tprintf("blk_softlimit=%" PRIu64 ", ", dq.d_blk_softlimit);
	tprintf("ino_hardlimit=%" PRIu64 ", ", dq.d_ino_hardlimit);
	tprintf("ino_softlimit=%" PRIu64 ", ", dq.d_ino_softlimit);
	tprintf("bcount=%" PRIu64 ", ", dq.d_bcount);
	tprintf("icount=%" PRIu64 ", ", dq.d_icount);
	if (!abbrev(tcp)) {
	tprintf("itimer=%d, ", dq.d_itimer);
	tprintf("btimer=%d, ", dq.d_btimer);
	tprintf("iwarns=%u, ", dq.d_iwarns);
	tprintf("bwarns=%u, ", dq.d_bwarns);
	tprintf("rtbcount=%" PRIu64 ", ", dq.d_rtbcount);
	tprintf("rtbtimer=%d, ", dq.d_rtbtimer);
	tprintf("rtbwarns=%u}", dq.d_rtbwarns);
	} else
	tprints("...}");
	break;
	}
	case Q_GETFMT:
	{
	u_int32_t fmt;

	if (syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &fmt) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprints("{");
	printxval(quota_formats, fmt, "QFMT_VFS_???");
	tprints("}");
	break;
	}
	case Q_GETINFO:
	case Q_SETINFO:
	{
	struct if_dqinfo dq;

	if (cmd == Q_GETINFO && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace);
	tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace);
	tprintf("flags=%#x, ", dq.dqi_flags);
	tprints("valid=");
	printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???");
	tprints("}");
	break;
	}
	case Q_V2_GETINFO:
	case Q_V2_SETINFO:
	{
	struct v2_dqinfo dq;

	if (cmd == Q_V2_GETINFO && syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{bgrace=%u, ", dq.dqi_bgrace);
	tprintf("igrace=%u, ", dq.dqi_igrace);
	tprintf("flags=%#x, ", dq.dqi_flags);
	tprintf("blocks=%u, ", dq.dqi_blocks);
	tprintf("free_blk=%u, ", dq.dqi_free_blk);
	tprintf("free_entry=%u}", dq.dqi_free_entry);
	break;
	}
	case Q_V1_GETSTATS:
	{
	struct v1_dqstats dq;

	if (syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{lookups=%u, ", dq.lookups);
	tprintf("drops=%u, ", dq.drops);
	tprintf("reads=%u, ", dq.reads);
	tprintf("writes=%u, ", dq.writes);
	tprintf("cache_hits=%u, ", dq.cache_hits);
	tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
	tprintf("free_dquots=%u, ", dq.free_dquots);
	tprintf("syncs=%u}", dq.syncs);
	break;
	}
	case Q_V2_GETSTATS:
	{
	struct v2_dqstats dq;

	if (syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{lookups=%u, ", dq.lookups);
	tprintf("drops=%u, ", dq.drops);
	tprintf("reads=%u, ", dq.reads);
	tprintf("writes=%u, ", dq.writes);
	tprintf("cache_hits=%u, ", dq.cache_hits);
	tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
	tprintf("free_dquots=%u, ", dq.free_dquots);
	tprintf("syncs=%u, ", dq.syncs);
	tprintf("version=%u}", dq.version);
	break;
	}
	case Q_XGETQSTAT:
	{
	struct xfs_dqstats dq;

	if (syserror(tcp)) {
	tprintf("%#lx", data);
	break;
	}
	if (umove(tcp, data, &dq) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprintf("{version=%d, ", dq.qs_version);
	if (abbrev(tcp)) {
	tprints("...}");
	break;
	}
	tprints("flags=");
	printflags(xfs_quota_flags,
	dq.qs_flags, "XFS_QUOTA_???");
	tprintf(", incoredqs=%u, ", dq.qs_incoredqs);
	tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino);
	tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks);
	tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents);
	tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino);
	tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks);
	tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents);
	tprintf("btimelimit=%d, ", dq.qs_btimelimit);
	tprintf("itimelimit=%d, ", dq.qs_itimelimit);
	tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit);
	tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit);
	tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit);
	break;
	}
	case Q_XQUOTAON:
	{
	u_int32_t flag;

	if (umove(tcp, data, &flag) < 0) {
	tprintf("{???} %#lx", data);
	break;
	}
	tprints("{");
	printflags(xfs_quota_flags, flag, "XFS_QUOTA_???");
	tprints("}");
	break;
	}
	default:
	tprintf("%#lx", data);
	break;
	}
	}

	SYS_FUNC(quotactl)
	{
	/*
	* The Linux kernel only looks at the low 32 bits of command and id
	* arguments, but on some 64-bit architectures (s390x) this word
	* will have been sign-extended when we see it. The high 1 bits
	* don't mean anything, so don't confuse the output with them.
	*/
	u_int32_t qcmd = tcp->u_arg[0];
	u_int32_t cmd = QCMD_CMD(qcmd);
	u_int32_t type = QCMD_TYPE(qcmd);
	u_int32_t id = tcp->u_arg[2];

	if (!verbose(tcp))
	return printargs(tcp);

	if (entering(tcp)) {
	printxval(quotacmds, cmd, "Q_???");
	tprints("\|");
	printxval(quotatypes, type, "???QUOTA");
	tprints(", ");
	printpath(tcp, tcp->u_arg[1]);
	tprints(", ");
	switch (cmd) {
	case Q_V1_QUOTAON:
	case Q_QUOTAON:
	printxval(quota_formats, id, "QFMT_VFS_???");
	break;
	case Q_V1_GETQUOTA:
	case Q_V2_GETQUOTA:
	case Q_GETQUOTA:
	case Q_V1_SETQUOTA:
	case Q_V2_SETQUOTA:
	case Q_V1_SETUSE:
	case Q_V2_SETUSE:
	case Q_SETQLIM:
	case Q_SETQUOTA:
	case Q_XGETQUOTA:
	case Q_XSETQLIM:
	tprintf("%u", id);
	break;
	default:
	tprintf("%#lx", tcp->u_arg[2]);
	break;
	}
	tprints(", ");
	} else {
	if (!tcp->u_arg[3])
	tprints("NULL");
	else
	decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
	}
	return 0;
	}