Home | History | Annotate | Line # | Download | only in common
      1 /*	$NetBSD: nfsproto.h,v 1.1.1.2 2016/11/18 07:49:13 pgoyette Exp $	*/
      2 /*-
      3  * Copyright (c) 1989, 1993
      4  *	The Regents of the University of California.  All rights reserved.
      5  *
      6  * This code is derived from software contributed to Berkeley by
      7  * Rick Macklem at The University of Guelph.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  * FreeBSD: head/sys/fs/nfs/nfsproto.h 304026 2016-08-12 22:44:59Z rmacklem
     34  * $NetBSD: nfsproto.h,v 1.1.1.2 2016/11/18 07:49:13 pgoyette Exp $
     35  */
     36 
     37 #ifndef _NFS_NFSPROTO_H_
     38 #define	_NFS_NFSPROTO_H_
     39 
     40 /*
     41  * nfs definitions as per the Version 2, 3 and 4 specs
     42  */
     43 
     44 /*
     45  * Constants as defined in the NFS Version 2, 3 and 4 specs.
     46  * "NFS: Network File System Protocol Specification" RFC1094
     47  * and in the "NFS: Network File System Version 3 Protocol
     48  * Specification"
     49  */
     50 
     51 #define	NFS_PORT	2049
     52 #define	NFS_PROG	100003
     53 #define	NFS_CALLBCKPROG	0x40000000	/* V4 only */
     54 #define	NFS_VER2	2
     55 #define	NFS_VER3	3
     56 #define	NFS_VER4	4
     57 #define	NFS_V2MAXDATA	8192
     58 #define	NFS_MAXDGRAMDATA 16384
     59 #define	NFS_MAXPATHLEN	1024
     60 #define	NFS_MAXNAMLEN	255
     61 #define	NFS_MAXPKTHDR	404
     62 #define	NFS_MAXPACKET	(NFS_SRVMAXIO + 2048)
     63 #define	NFS_MINPACKET	20
     64 #define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
     65 #define	NFSV4_MINORVERSION	0	/* V4 Minor version */
     66 #define	NFSV41_MINORVERSION	1	/* V4 Minor version */
     67 #define	NFSV4_CBVERS		1	/* V4 CB Version */
     68 #define	NFSV41_CBVERS		4	/* V4.1 CB Version */
     69 #define	NFSV4_SMALLSTR	50		/* Strings small enough for stack */
     70 
     71 /*
     72  * This value isn't a fixed value in the RFCs.
     73  * It is the maximum data size supported by NFSv3 or NFSv4 over TCP for
     74  * the server.  It should be set to the I/O size preferred by ZFS or
     75  * MAXBSIZE, whichever is greater.
     76  * ZFS currently prefers 128K.
     77  * It used to be called NFS_MAXDATA, but has been renamed to clarify that
     78  * it refers to server side only and doesn't conflict with the NFS_MAXDATA
     79  * defined in rpcsvc/nfs_prot.h for userland.
     80  */
     81 #define	NFS_SRVMAXIO	(128 * 1024)
     82 
     83 /* Stat numbers for rpc returns (version 2, 3 and 4) */
     84 /*
     85  * These numbers are hard-wired in the RFCs, so they can't be changed.
     86  * The code currently assumes that the ones < 10000 are the same as
     87  * sys/errno.h and that sys/errno.h will never go as high as 10000.
     88  * If the value in sys/errno.h of any entry listed below is changed,
     89  * the NFS code must be modified to do the mapping between them.
     90  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
     91  */
     92 #define	NFSERR_OK		0
     93 #define	NFSERR_PERM		1
     94 #define	NFSERR_NOENT		2
     95 #define	NFSERR_IO		5
     96 #define	NFSERR_NXIO		6
     97 #define	NFSERR_ACCES		13
     98 #define	NFSERR_EXIST		17
     99 #define	NFSERR_XDEV		18	/* Version 3, 4 only */
    100 #define	NFSERR_NODEV		19
    101 #define	NFSERR_NOTDIR		20
    102 #define	NFSERR_ISDIR		21
    103 #define	NFSERR_INVAL		22	/* Version 3, 4 only */
    104 #define	NFSERR_FBIG		27
    105 #define	NFSERR_NOSPC		28
    106 #define	NFSERR_ROFS		30
    107 #define	NFSERR_MLINK		31	/* Version 3, 4 only */
    108 #define	NFSERR_NAMETOL		63
    109 #define	NFSERR_NOTEMPTY		66
    110 #define	NFSERR_DQUOT		69
    111 #define	NFSERR_STALE		70
    112 #define	NFSERR_REMOTE		71	/* Version 3 only */
    113 #define	NFSERR_WFLUSH		99	/* Version 2 only */
    114 #define	NFSERR_BADHANDLE	10001	/* These are Version 3, 4 only */
    115 #define	NFSERR_NOT_SYNC		10002	/* Version 3 Only */
    116 #define	NFSERR_BAD_COOKIE	10003
    117 #define	NFSERR_NOTSUPP		10004
    118 #define	NFSERR_TOOSMALL		10005
    119 #define	NFSERR_SERVERFAULT	10006
    120 #define	NFSERR_BADTYPE		10007
    121 #define	NFSERR_DELAY		10008	/* Called NFSERR_JUKEBOX for V3 */
    122 #define	NFSERR_SAME		10009	/* These are Version 4 only */
    123 #define	NFSERR_DENIED		10010
    124 #define	NFSERR_EXPIRED		10011
    125 #define	NFSERR_LOCKED		10012
    126 #define	NFSERR_GRACE		10013
    127 #define	NFSERR_FHEXPIRED	10014
    128 #define	NFSERR_SHAREDENIED	10015
    129 #define	NFSERR_WRONGSEC		10016
    130 #define	NFSERR_CLIDINUSE	10017
    131 #define	NFSERR_RESOURCE		10018
    132 #define	NFSERR_MOVED		10019
    133 #define	NFSERR_NOFILEHANDLE	10020
    134 #define	NFSERR_MINORVERMISMATCH	10021
    135 #define	NFSERR_STALECLIENTID	10022
    136 #define	NFSERR_STALESTATEID	10023
    137 #define	NFSERR_OLDSTATEID	10024
    138 #define	NFSERR_BADSTATEID	10025
    139 #define	NFSERR_BADSEQID		10026
    140 #define	NFSERR_NOTSAME		10027
    141 #define	NFSERR_LOCKRANGE	10028
    142 #define	NFSERR_SYMLINK		10029
    143 #define	NFSERR_RESTOREFH	10030
    144 #define	NFSERR_LEASEMOVED	10031
    145 #define	NFSERR_ATTRNOTSUPP	10032
    146 #define	NFSERR_NOGRACE		10033
    147 #define	NFSERR_RECLAIMBAD	10034
    148 #define	NFSERR_RECLAIMCONFLICT	10035
    149 #define	NFSERR_BADXDR		10036
    150 #define	NFSERR_LOCKSHELD	10037
    151 #define	NFSERR_OPENMODE		10038
    152 #define	NFSERR_BADOWNER		10039
    153 #define	NFSERR_BADCHAR		10040
    154 #define	NFSERR_BADNAME		10041
    155 #define	NFSERR_BADRANGE		10042
    156 #define	NFSERR_LOCKNOTSUPP	10043
    157 #define	NFSERR_OPILLEGAL	10044
    158 #define	NFSERR_DEADLOCK		10045
    159 #define	NFSERR_FILEOPEN		10046
    160 #define	NFSERR_ADMINREVOKED	10047
    161 #define	NFSERR_CBPATHDOWN	10048
    162 
    163 /* NFSv4.1 specific errors. */
    164 #define	NFSERR_BADIOMODE	10049
    165 #define	NFSERR_BADLAYOUT	10050
    166 #define	NFSERR_BADSESSIONDIGEST	10051
    167 #define	NFSERR_BADSESSION	10052
    168 #define	NFSERR_BADSLOT		10053
    169 #define	NFSERR_COMPLETEALREADY	10054
    170 #define	NFSERR_NOTBNDTOSESS	10055
    171 #define	NFSERR_DELEGALREADYWANT	10056
    172 #define	NFSERR_BACKCHANBUSY	10057
    173 #define	NFSERR_LAYOUTTRYLATER	10058
    174 #define	NFSERR_LAYOUTUNAVAIL	10059
    175 #define	NFSERR_NOMATCHLAYOUT	10060
    176 #define	NFSERR_RECALLCONFLICT	10061
    177 #define	NFSERR_UNKNLAYOUTTYPE	10062
    178 #define	NFSERR_SEQMISORDERED	10063
    179 #define	NFSERR_SEQUENCEPOS	10064
    180 #define	NFSERR_REQTOOBIG	10065
    181 #define	NFSERR_REPTOOBIG	10066
    182 #define	NFSERR_REPTOOBIGTOCACHE	10067
    183 #define	NFSERR_RETRYUNCACHEDREP	10068
    184 #define	NFSERR_UNSAFECOMPOUND	10069
    185 #define	NFSERR_TOOMANYOPS	10070
    186 #define	NFSERR_OPNOTINSESS	10071
    187 #define	NFSERR_HASHALGUNSUPP	10072
    188 #define	NFSERR_CLIENTIDBUSY	10074
    189 #define	NFSERR_PNFSIOHOLE	10075
    190 #define	NFSERR_SEQFALSERETRY	10076
    191 #define	NFSERR_BADHIGHSLOT	10077
    192 #define	NFSERR_DEADSESSION	10078
    193 #define	NFSERR_ENCRALGUNSUPP	10079
    194 #define	NFSERR_PNFSNOLAYOUT	10080
    195 #define	NFSERR_NOTONLYOP	10081
    196 #define	NFSERR_WRONGCRED	10082
    197 #define	NFSERR_WRONGTYPE	10083
    198 #define	NFSERR_DIRDELEGUNAVAIL	10084
    199 #define	NFSERR_REJECTDELEG	10085
    200 #define	NFSERR_RETURNCONFLICT	10086
    201 #define	NFSERR_DELEGREVOKED	10087
    202 
    203 #define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */
    204 #define	NFSERR_DONTREPLY	30003	/* Don't process request */
    205 #define	NFSERR_RETVOID		30004	/* Return void, not error */
    206 #define	NFSERR_REPLYFROMCACHE	30005	/* Reply from recent request cache */
    207 #define	NFSERR_STALEDONTRECOVER	30006	/* Don't initiate recovery */
    208 
    209 #define	NFSERR_RPCERR		0x40000000 /* Mark an RPC layer error */
    210 #define	NFSERR_AUTHERR		0x80000000 /* Mark an authentication error */
    211 
    212 #define	NFSERR_RPCMISMATCH	(NFSERR_RPCERR | RPC_MISMATCH)
    213 #define	NFSERR_PROGUNAVAIL	(NFSERR_RPCERR | RPC_PROGUNAVAIL)
    214 #define	NFSERR_PROGMISMATCH	(NFSERR_RPCERR | RPC_PROGMISMATCH)
    215 #define	NFSERR_PROGNOTV4	(NFSERR_RPCERR | 0xffff)
    216 #define	NFSERR_PROCUNAVAIL	(NFSERR_RPCERR | RPC_PROCUNAVAIL)
    217 #define	NFSERR_GARBAGE		(NFSERR_RPCERR | RPC_GARBAGE)
    218 
    219 /* Sizes in bytes of various nfs rpc components */
    220 #define	NFSX_UNSIGNED	4
    221 #define	NFSX_HYPER	(2 * NFSX_UNSIGNED)
    222 
    223 /* specific to NFS Version 2 */
    224 #define	NFSX_V2FH	32
    225 #define	NFSX_V2FATTR	68
    226 #define	NFSX_V2SATTR	32
    227 #define	NFSX_V2COOKIE	4
    228 #define	NFSX_V2STATFS	20
    229 
    230 /* specific to NFS Version 3 */
    231 #define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
    232 #define	NFSX_V3FATTR		84
    233 #define	NFSX_V3SATTR		60	/* max. all fields filled in */
    234 #define	NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
    235 #define	NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
    236 #define	NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
    237 #define	NFSX_V3STATFS		52
    238 #define	NFSX_V3FSINFO		48
    239 #define	NFSX_V3PATHCONF		24
    240 
    241 /* specific to NFS Version 4 */
    242 #define	NFSX_V4FHMAX		128
    243 #define	NFSX_V4FSID		(2 * NFSX_HYPER)
    244 #define	NFSX_V4SPECDATA		(2 * NFSX_UNSIGNED)
    245 #define	NFSX_V4TIME		(NFSX_HYPER + NFSX_UNSIGNED)
    246 #define	NFSX_V4SETTIME		(NFSX_UNSIGNED + NFSX_V4TIME)
    247 #define	NFSX_V4SESSIONID	16
    248 #define	NFSX_V4DEVICEID		16
    249 
    250 /* sizes common to multiple NFS versions */
    251 #define	NFSX_FHMAX		(NFSX_V4FHMAX)
    252 #define	NFSX_MYFH		(sizeof (fhandle_t)) /* size this server uses */
    253 #define	NFSX_VERF 		8
    254 #define	NFSX_STATEIDOTHER	12
    255 #define	NFSX_STATEID		(NFSX_UNSIGNED + NFSX_STATEIDOTHER)
    256 #define	NFSX_GSSH		12
    257 
    258 /* variants for multiple versions */
    259 #define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
    260 
    261 /* nfs rpc procedure numbers (before version mapping) */
    262 #define	NFSPROC_NULL		0
    263 #define	NFSPROC_GETATTR		1
    264 #define	NFSPROC_SETATTR		2
    265 #define	NFSPROC_LOOKUP		3
    266 #define	NFSPROC_ACCESS		4
    267 #define	NFSPROC_READLINK	5
    268 #define	NFSPROC_READ		6
    269 #define	NFSPROC_WRITE		7
    270 #define	NFSPROC_CREATE		8
    271 #define	NFSPROC_MKDIR		9
    272 #define	NFSPROC_SYMLINK		10
    273 #define	NFSPROC_MKNOD		11
    274 #define	NFSPROC_REMOVE		12
    275 #define	NFSPROC_RMDIR		13
    276 #define	NFSPROC_RENAME		14
    277 #define	NFSPROC_LINK		15
    278 #define	NFSPROC_READDIR		16
    279 #define	NFSPROC_READDIRPLUS	17
    280 #define	NFSPROC_FSSTAT		18
    281 #define	NFSPROC_FSINFO		19
    282 #define	NFSPROC_PATHCONF	20
    283 #define	NFSPROC_COMMIT		21
    284 
    285 /*
    286  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
    287  * numbers used by NFSv4.
    288  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
    289  * one greater than the last number.
    290  */
    291 #ifndef	NFS_V3NPROCS
    292 #define	NFS_V3NPROCS		22
    293 
    294 #define	NFSPROC_LOOKUPP		22
    295 #define	NFSPROC_SETCLIENTID	23
    296 #define	NFSPROC_SETCLIENTIDCFRM	24
    297 #define	NFSPROC_LOCK		25
    298 #define	NFSPROC_LOCKU		26
    299 #define	NFSPROC_OPEN		27
    300 #define	NFSPROC_CLOSE		28
    301 #define	NFSPROC_OPENCONFIRM	29
    302 #define	NFSPROC_LOCKT		30
    303 #define	NFSPROC_OPENDOWNGRADE	31
    304 #define	NFSPROC_RENEW		32
    305 #define	NFSPROC_PUTROOTFH	33
    306 #define	NFSPROC_RELEASELCKOWN	34
    307 #define	NFSPROC_DELEGRETURN	35
    308 #define	NFSPROC_RETDELEGREMOVE	36
    309 #define	NFSPROC_RETDELEGRENAME1	37
    310 #define	NFSPROC_RETDELEGRENAME2	38
    311 #define	NFSPROC_GETACL		39
    312 #define	NFSPROC_SETACL		40
    313 
    314 /*
    315  * Must be defined as one higher than the last Proc# above.
    316  */
    317 #define	NFSV4_NPROCS		41
    318 
    319 /* Additional procedures for NFSv4.1. */
    320 #define	NFSPROC_EXCHANGEID	41
    321 #define	NFSPROC_CREATESESSION	42
    322 #define	NFSPROC_DESTROYSESSION	43
    323 #define	NFSPROC_DESTROYCLIENT	44
    324 #define	NFSPROC_FREESTATEID	45
    325 #define	NFSPROC_LAYOUTGET	46
    326 #define	NFSPROC_GETDEVICEINFO	47
    327 #define	NFSPROC_LAYOUTCOMMIT	48
    328 #define	NFSPROC_LAYOUTRETURN	49
    329 #define	NFSPROC_RECLAIMCOMPL	50
    330 #define	NFSPROC_WRITEDS		51
    331 #define	NFSPROC_READDS		52
    332 #define	NFSPROC_COMMITDS	53
    333 
    334 /*
    335  * Must be defined as one higher than the last NFSv4.1 Proc# above.
    336  */
    337 #define	NFSV41_NPROCS		54
    338 
    339 #endif	/* NFS_V3NPROCS */
    340 
    341 /*
    342  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
    343  */
    344 #ifndef	NFS_NPROCS
    345 #define	NFS_NPROCS		NFSV4_NPROCS
    346 #endif
    347 
    348 /*
    349  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
    350  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV42_NOPS, which
    351  * is one greater than the highest Op#.
    352  */
    353 #define	NFSPROC_NOOP		NFSV42_NOPS
    354 
    355 /* Actual Version 2 procedure numbers */
    356 #define	NFSV2PROC_NULL		0
    357 #define	NFSV2PROC_GETATTR	1
    358 #define	NFSV2PROC_SETATTR	2
    359 #define	NFSV2PROC_NOOP		3
    360 #define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
    361 #define	NFSV2PROC_LOOKUP	4
    362 #define	NFSV2PROC_READLINK	5
    363 #define	NFSV2PROC_READ		6
    364 #define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
    365 #define	NFSV2PROC_WRITE		8
    366 #define	NFSV2PROC_CREATE	9
    367 #define	NFSV2PROC_REMOVE	10
    368 #define	NFSV2PROC_RENAME	11
    369 #define	NFSV2PROC_LINK		12
    370 #define	NFSV2PROC_SYMLINK	13
    371 #define	NFSV2PROC_MKDIR		14
    372 #define	NFSV2PROC_RMDIR		15
    373 #define	NFSV2PROC_READDIR	16
    374 #define	NFSV2PROC_STATFS	17
    375 
    376 /*
    377  * V4 Procedure numbers
    378  */
    379 #define	NFSV4PROC_COMPOUND	1
    380 #define	NFSV4PROC_CBNULL	0
    381 #define	NFSV4PROC_CBCOMPOUND	1
    382 
    383 /*
    384  * Constants used by the Version 3 and 4 protocols for various RPCs
    385  */
    386 #define	NFSV3SATTRTIME_DONTCHANGE	0
    387 #define	NFSV3SATTRTIME_TOSERVER		1
    388 #define	NFSV3SATTRTIME_TOCLIENT		2
    389 
    390 #define	NFSV4SATTRTIME_TOSERVER		0
    391 #define	NFSV4SATTRTIME_TOCLIENT		1
    392 
    393 #define	NFSV4LOCKT_READ			1
    394 #define	NFSV4LOCKT_WRITE		2
    395 #define	NFSV4LOCKT_READW		3
    396 #define	NFSV4LOCKT_WRITEW		4
    397 #define	NFSV4LOCKT_RELEASE		5
    398 
    399 #define	NFSV4OPEN_NOCREATE		0
    400 #define	NFSV4OPEN_CREATE		1
    401 #define	NFSV4OPEN_CLAIMNULL		0
    402 #define	NFSV4OPEN_CLAIMPREVIOUS		1
    403 #define	NFSV4OPEN_CLAIMDELEGATECUR	2
    404 #define	NFSV4OPEN_CLAIMDELEGATEPREV	3
    405 #define	NFSV4OPEN_CLAIMFH		4
    406 #define	NFSV4OPEN_CLAIMDELEGATECURFH	5
    407 #define	NFSV4OPEN_CLAIMDELEGATEPREVFH	6
    408 #define	NFSV4OPEN_DELEGATENONE		0
    409 #define	NFSV4OPEN_DELEGATEREAD		1
    410 #define	NFSV4OPEN_DELEGATEWRITE		2
    411 #define	NFSV4OPEN_DELEGATENONEEXT	3
    412 #define	NFSV4OPEN_LIMITSIZE		1
    413 #define	NFSV4OPEN_LIMITBLOCKS		2
    414 
    415 /*
    416  * Nfs V4 ACE stuff
    417  */
    418 #define	NFSV4ACE_ALLOWEDTYPE		0x00000000
    419 #define	NFSV4ACE_DENIEDTYPE		0x00000001
    420 #define	NFSV4ACE_AUDITTYPE		0x00000002
    421 #define	NFSV4ACE_ALARMTYPE		0x00000003
    422 
    423 #define	NFSV4ACE_SUPALLOWED		0x00000001
    424 #define	NFSV4ACE_SUPDENIED		0x00000002
    425 #define	NFSV4ACE_SUPAUDIT		0x00000004
    426 #define	NFSV4ACE_SUPALARM		0x00000008
    427 
    428 #define	NFSV4ACE_SUPTYPES	(NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
    429 
    430 #define	NFSV4ACE_FILEINHERIT		0x00000001
    431 #define	NFSV4ACE_DIRECTORYINHERIT	0x00000002
    432 #define	NFSV4ACE_NOPROPAGATEINHERIT	0x00000004
    433 #define	NFSV4ACE_INHERITONLY		0x00000008
    434 #define	NFSV4ACE_SUCCESSFULACCESS	0x00000010
    435 #define	NFSV4ACE_FAILEDACCESS		0x00000020
    436 #define	NFSV4ACE_IDENTIFIERGROUP	0x00000040
    437 
    438 #define	NFSV4ACE_READDATA		0x00000001
    439 #define	NFSV4ACE_LISTDIRECTORY		0x00000001
    440 #define	NFSV4ACE_WRITEDATA		0x00000002
    441 #define	NFSV4ACE_ADDFILE		0x00000002
    442 #define	NFSV4ACE_APPENDDATA		0x00000004
    443 #define	NFSV4ACE_ADDSUBDIRECTORY	0x00000004
    444 #define	NFSV4ACE_READNAMEDATTR		0x00000008
    445 #define	NFSV4ACE_WRITENAMEDATTR		0x00000010
    446 #define	NFSV4ACE_EXECUTE		0x00000020
    447 #define	NFSV4ACE_SEARCH			0x00000020
    448 #define	NFSV4ACE_DELETECHILD		0x00000040
    449 #define	NFSV4ACE_READATTRIBUTES		0x00000080
    450 #define	NFSV4ACE_WRITEATTRIBUTES	0x00000100
    451 #define	NFSV4ACE_DELETE			0x00010000
    452 #define	NFSV4ACE_READACL		0x00020000
    453 #define	NFSV4ACE_WRITEACL		0x00040000
    454 #define	NFSV4ACE_WRITEOWNER		0x00080000
    455 #define	NFSV4ACE_SYNCHRONIZE		0x00100000
    456 
    457 /*
    458  * Here are the mappings between mode bits and acl mask bits for
    459  * directories and other files.
    460  * (Named attributes have not been included, since named attributes are
    461  *  not yet supported.)
    462  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
    463  * searching a directory, although I can't find a statement of that in
    464  * the RFC.
    465  */
    466 #define	NFSV4ACE_ALLFILESMASK	(NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
    467 #define	NFSV4ACE_OWNERMASK	(NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
    468 #define	NFSV4ACE_DIRREADMASK	NFSV4ACE_LISTDIRECTORY
    469 #define	NFSV4ACE_DIREXECUTEMASK	NFSV4ACE_EXECUTE
    470 #define	NFSV4ACE_DIRWRITEMASK	(NFSV4ACE_ADDFILE | 			\
    471 		NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
    472 #define	NFSV4ACE_READMASK	NFSV4ACE_READDATA
    473 #define	NFSV4ACE_WRITEMASK	(NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
    474 #define	NFSV4ACE_EXECUTEMASK	NFSV4ACE_EXECUTE
    475 #define	NFSV4ACE_ALLFILEBITS	(NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
    476 	NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
    477 #define	NFSV4ACE_ALLDIRBITS	(NFSV4ACE_DIRREADMASK | 		\
    478 	NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
    479 #define	NFSV4ACE_AUDITMASK	0x0
    480 
    481 /*
    482  * These GENERIC masks are not used and are no longer believed to be useful.
    483  */
    484 #define	NFSV4ACE_GENERICREAD		0x00120081
    485 #define	NFSV4ACE_GENERICWRITE		0x00160106
    486 #define	NFSV4ACE_GENERICEXECUTE		0x001200a0
    487 
    488 #define	NFSSTATEID_PUTALLZERO		0
    489 #define	NFSSTATEID_PUTALLONE		1
    490 #define	NFSSTATEID_PUTSTATEID		2
    491 #define	NFSSTATEID_PUTSEQIDZERO		3
    492 
    493 /*
    494  * Bits for share access and deny.
    495  */
    496 #define	NFSV4OPEN_ACCESSREAD		0x00000001
    497 #define	NFSV4OPEN_ACCESSWRITE		0x00000002
    498 #define	NFSV4OPEN_ACCESSBOTH		0x00000003
    499 #define	NFSV4OPEN_WANTDELEGMASK		0x0000ff00
    500 #define	NFSV4OPEN_WANTREADDELEG		0x00000100
    501 #define	NFSV4OPEN_WANTWRITEDELEG	0x00000200
    502 #define	NFSV4OPEN_WANTANYDELEG		0x00000300
    503 #define	NFSV4OPEN_WANTNODELEG		0x00000400
    504 #define	NFSV4OPEN_WANTCANCEL		0x00000500
    505 #define	NFSV4OPEN_WANTSIGNALDELEG	0x00010000
    506 #define	NFSV4OPEN_WANTPUSHDELEG		0x00020000
    507 
    508 #define	NFSV4OPEN_DENYNONE		0x00000000
    509 #define	NFSV4OPEN_DENYREAD		0x00000001
    510 #define	NFSV4OPEN_DENYWRITE		0x00000002
    511 #define	NFSV4OPEN_DENYBOTH		0x00000003
    512 
    513 /*
    514  * Delegate_none_ext reply values.
    515  */
    516 #define	NFSV4OPEN_NOTWANTED		0
    517 #define	NFSV4OPEN_CONTENTION		1
    518 #define	NFSV4OPEN_RESOURCE		2
    519 #define	NFSV4OPEN_NOTSUPPFTYPE		3
    520 #define	NFSV4OPEN_NOTSUPPWRITEFTYPE	4
    521 #define	NFSV4OPEN_NOTSUPPUPGRADE	5
    522 #define	NFSV4OPEN_NOTSUPPDOWNGRADE	6
    523 #define	NFSV4OPEN_CANCELLED		7
    524 #define	NFSV4OPEN_ISDIR			8
    525 
    526 /*
    527  * Open result flags
    528  * (The first four are in the spec. The rest are used internally.)
    529  */
    530 #define	NFSV4OPEN_RESULTCONFIRM		0x00000002
    531 #define	NFSV4OPEN_LOCKTYPEPOSIX		0x00000004
    532 #define	NFSV4OPEN_PRESERVEUNLINKED	0x00000008
    533 #define	NFSV4OPEN_MAYNOTIFYLOCK		0x00000020
    534 #define	NFSV4OPEN_RFLAGS 						\
    535     (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX |		\
    536     NFSV4OPEN_PRESERVEUNLINKED | NFSV4OPEN_MAYNOTIFYLOCK)
    537 #define	NFSV4OPEN_RECALL		0x00010000
    538 #define	NFSV4OPEN_READDELEGATE		0x00020000
    539 #define	NFSV4OPEN_WRITEDELEGATE		0x00040000
    540 #define	NFSV4OPEN_WDRESOURCE		0x00080000
    541 #define	NFSV4OPEN_WDCONTENTION		0x00100000
    542 #define	NFSV4OPEN_WDNOTWANTED		0x00200000
    543 
    544 /*
    545  * NFS V4 File Handle types
    546  */
    547 #define	NFSV4FHTYPE_PERSISTENT		0x0
    548 #define	NFSV4FHTYPE_NOEXPIREWITHOPEN	0x1
    549 #define	NFSV4FHTYPE_VOLATILEANY		0x2
    550 #define	NFSV4FHTYPE_VOLATILEMIGRATE	0x4
    551 #define	NFSV4FHTYPE_VOLATILERENAME	0x8
    552 
    553 /*
    554  * Maximum size of V4 opaque strings.
    555  */
    556 #define	NFSV4_OPAQUELIMIT	1024
    557 
    558 /*
    559  * These are the same for V3 and V4.
    560  */
    561 #define	NFSACCESS_READ			0x01
    562 #define	NFSACCESS_LOOKUP		0x02
    563 #define	NFSACCESS_MODIFY		0x04
    564 #define	NFSACCESS_EXTEND		0x08
    565 #define	NFSACCESS_DELETE		0x10
    566 #define	NFSACCESS_EXECUTE		0x20
    567 
    568 #define	NFSWRITE_UNSTABLE		0
    569 #define	NFSWRITE_DATASYNC		1
    570 #define	NFSWRITE_FILESYNC		2
    571 
    572 #define	NFSCREATE_UNCHECKED		0
    573 #define	NFSCREATE_GUARDED		1
    574 #define	NFSCREATE_EXCLUSIVE		2
    575 #define	NFSCREATE_EXCLUSIVE41		3
    576 
    577 #define	NFSV3FSINFO_LINK		0x01
    578 #define	NFSV3FSINFO_SYMLINK		0x02
    579 #define	NFSV3FSINFO_HOMOGENEOUS		0x08
    580 #define	NFSV3FSINFO_CANSETTIME		0x10
    581 
    582 /* Flags for Exchange ID */
    583 #define	NFSV4EXCH_SUPPMOVEDREFER	0x00000001
    584 #define	NFSV4EXCH_SUPPMOVEDMIGR	0x00000002
    585 #define	NFSV4EXCH_BINDPRINCSTATEID	0x00000100
    586 #define	NFSV4EXCH_USENONPNFS		0x00010000
    587 #define	NFSV4EXCH_USEPNFSMDS		0x00020000
    588 #define	NFSV4EXCH_USEPNFSDS		0x00040000
    589 #define	NFSV4EXCH_MASKPNFS		0x00070000
    590 #define	NFSV4EXCH_UPDCONFIRMEDRECA	0x40000000
    591 #define	NFSV4EXCH_CONFIRMEDR		0x80000000
    592 
    593 /* State Protects */
    594 #define	NFSV4EXCH_SP4NONE		0
    595 #define	NFSV4EXCH_SP4MACHCRED		1
    596 #define	NFSV4EXCH_SP4SSV		2
    597 
    598 /* Flags for Create Session */
    599 #define	NFSV4CRSESS_PERSIST		0x00000001
    600 #define	NFSV4CRSESS_CONNBACKCHAN	0x00000002
    601 #define	NFSV4CRSESS_CONNRDMA		0x00000004
    602 
    603 /* Flags for Sequence */
    604 #define	NFSV4SEQ_CBPATHDOWN		0x00000001
    605 #define	NFSV4SEQ_CBGSSCONTEXPIRING	0x00000002
    606 #define	NFSV4SEQ_CBGSSCONTEXPIRED	0x00000004
    607 #define	NFSV4SEQ_EXPIREDALLSTATEREVOKED	0x00000008
    608 #define	NFSV4SEQ_EXPIREDSOMESTATEREVOKED 0x00000010
    609 #define	NFSV4SEQ_ADMINSTATEREVOKED	0x00000020
    610 #define	NFSV4SEQ_RECALLABLESTATEREVOKED	0x00000040
    611 #define	NFSV4SEQ_LEASEMOVED		0x00000080
    612 #define	NFSV4SEQ_RESTARTRECLAIMNEEDED	0x00000100
    613 #define	NFSV4SEQ_CBPATHDOWNSESSION	0x00000200
    614 #define	NFSV4SEQ_BACKCHANNELFAULT	0x00000400
    615 #define	NFSV4SEQ_DEVIDCHANGED		0x00000800
    616 #define	NFSV4SEQ_DEVIDDELETED		0x00001000
    617 
    618 /* Flags for Layout. */
    619 #define	NFSLAYOUTRETURN_FILE		1
    620 #define	NFSLAYOUTRETURN_FSID		2
    621 #define	NFSLAYOUTRETURN_ALL		3
    622 
    623 #define	NFSLAYOUT_NFSV4_1_FILES		0x1
    624 #define	NFSLAYOUT_OSD2_OBJECTS		0x2
    625 #define	NFSLAYOUT_BLOCK_VOLUME		0x3
    626 
    627 #define	NFSLAYOUTIOMODE_READ		1
    628 #define	NFSLAYOUTIOMODE_RW		2
    629 #define	NFSLAYOUTIOMODE_ANY		3
    630 
    631 /* Flags for Get Device Info. */
    632 #define	NFSDEVICEIDNOTIFY_CHANGEBIT	0x1
    633 #define	NFSDEVICEIDNOTIFY_DELETEBIT	0x2
    634 
    635 /* Flags for File Layout. */
    636 #define	NFSFLAYUTIL_DENSE		0x1
    637 #define	NFSFLAYUTIL_COMMIT_THRU_MDS	0x2
    638 
    639 /* Conversion macros */
    640 #define	vtonfsv2_mode(t,m) 						\
    641 		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : 	\
    642 				MAKEIMODE((t), (m)))
    643 #define	vtonfsv34_mode(m)	txdr_unsigned((m) & 07777)
    644 #define	nfstov_mode(a)		(fxdr_unsigned(u_int16_t, (a))&07777)
    645 #define	vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
    646 		txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
    647 #define	vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
    648 		txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
    649 #define	nfsv2tov_type(a)	newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
    650 #define	nfsv34tov_type(a)	nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
    651 #define	vtonfs_dtype(a)	(((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
    652 			 IFTODT(VTTOIF(a)))
    653 
    654 /* File types */
    655 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
    656 	NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
    657 
    658 /* Structs for common parts of the rpc's */
    659 
    660 struct nfsv2_time {
    661 	u_int32_t nfsv2_sec;
    662 	u_int32_t nfsv2_usec;
    663 };
    664 typedef struct nfsv2_time	nfstime2;
    665 
    666 struct nfsv3_time {
    667 	u_int32_t nfsv3_sec;
    668 	u_int32_t nfsv3_nsec;
    669 };
    670 typedef struct nfsv3_time	nfstime3;
    671 
    672 struct nfsv4_time {
    673 	u_int32_t nfsv4_highsec;
    674 	u_int32_t nfsv4_sec;
    675 	u_int32_t nfsv4_nsec;
    676 };
    677 typedef struct nfsv4_time	nfstime4;
    678 
    679 /*
    680  * Quads are defined as arrays of 2 longs to ensure dense packing for the
    681  * protocol and to facilitate xdr conversion.
    682  */
    683 struct nfs_uquad {
    684 	u_int32_t nfsuquad[2];
    685 };
    686 typedef	struct nfs_uquad	nfsuint64;
    687 
    688 /*
    689  * Used to convert between two u_longs and a u_quad_t.
    690  */
    691 union nfs_quadconvert {
    692 	u_int32_t lval[2];
    693 	u_quad_t  qval;
    694 };
    695 typedef union nfs_quadconvert	nfsquad_t;
    696 
    697 /*
    698  * NFS Version 3 special file number.
    699  */
    700 struct nfsv3_spec {
    701 	u_int32_t specdata1;
    702 	u_int32_t specdata2;
    703 };
    704 typedef	struct nfsv3_spec	nfsv3spec;
    705 
    706 /*
    707  * File attributes and setable attributes. These structures cover both
    708  * NFS version 2 and the version 3 protocol. Note that the union is only
    709  * used so that one pointer can refer to both variants. These structures
    710  * go out on the wire and must be densely packed, so no quad data types
    711  * are used. (all fields are longs or u_longs or structures of same)
    712  * NB: You can't do sizeof(struct nfs_fattr), you must use the
    713  *     NFSX_FATTR(v3) macro.
    714  */
    715 struct nfs_fattr {
    716 	u_int32_t fa_type;
    717 	u_int32_t fa_mode;
    718 	u_int32_t fa_nlink;
    719 	u_int32_t fa_uid;
    720 	u_int32_t fa_gid;
    721 	union {
    722 		struct {
    723 			u_int32_t nfsv2fa_size;
    724 			u_int32_t nfsv2fa_blocksize;
    725 			u_int32_t nfsv2fa_rdev;
    726 			u_int32_t nfsv2fa_blocks;
    727 			u_int32_t nfsv2fa_fsid;
    728 			u_int32_t nfsv2fa_fileid;
    729 			nfstime2  nfsv2fa_atime;
    730 			nfstime2  nfsv2fa_mtime;
    731 			nfstime2  nfsv2fa_ctime;
    732 		} fa_nfsv2;
    733 		struct {
    734 			nfsuint64 nfsv3fa_size;
    735 			nfsuint64 nfsv3fa_used;
    736 			nfsv3spec nfsv3fa_rdev;
    737 			nfsuint64 nfsv3fa_fsid;
    738 			nfsuint64 nfsv3fa_fileid;
    739 			nfstime3  nfsv3fa_atime;
    740 			nfstime3  nfsv3fa_mtime;
    741 			nfstime3  nfsv3fa_ctime;
    742 		} fa_nfsv3;
    743 	} fa_un;
    744 };
    745 
    746 /* and some ugly defines for accessing union components */
    747 #define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
    748 #define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
    749 #define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
    750 #define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
    751 #define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
    752 #define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
    753 #define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
    754 #define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
    755 #define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
    756 #define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
    757 #define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
    758 #define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
    759 #define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
    760 #define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
    761 #define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
    762 #define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
    763 #define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime
    764 
    765 struct nfsv2_sattr {
    766 	u_int32_t sa_mode;
    767 	u_int32_t sa_uid;
    768 	u_int32_t sa_gid;
    769 	u_int32_t sa_size;
    770 	nfstime2  sa_atime;
    771 	nfstime2  sa_mtime;
    772 };
    773 
    774 /*
    775  * NFS Version 3 sattr structure for the new node creation case.
    776  */
    777 struct nfsv3_sattr {
    778 	u_int32_t sa_modetrue;
    779 	u_int32_t sa_mode;
    780 	u_int32_t sa_uidfalse;
    781 	u_int32_t sa_gidfalse;
    782 	u_int32_t sa_sizefalse;
    783 	u_int32_t sa_atimetype;
    784 	nfstime3  sa_atime;
    785 	u_int32_t sa_mtimetype;
    786 	nfstime3  sa_mtime;
    787 };
    788 
    789 /*
    790  * The attribute bits used for V4.
    791  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
    792  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
    793  *	appropriate 32bit word.
    794  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
    795  */
    796 #define	NFSATTRBIT_SUPPORTEDATTRS	0
    797 #define	NFSATTRBIT_TYPE			1
    798 #define	NFSATTRBIT_FHEXPIRETYPE		2
    799 #define	NFSATTRBIT_CHANGE		3
    800 #define	NFSATTRBIT_SIZE			4
    801 #define	NFSATTRBIT_LINKSUPPORT		5
    802 #define	NFSATTRBIT_SYMLINKSUPPORT	6
    803 #define	NFSATTRBIT_NAMEDATTR		7
    804 #define	NFSATTRBIT_FSID			8
    805 #define	NFSATTRBIT_UNIQUEHANDLES	9
    806 #define	NFSATTRBIT_LEASETIME		10
    807 #define	NFSATTRBIT_RDATTRERROR		11
    808 #define	NFSATTRBIT_ACL			12
    809 #define	NFSATTRBIT_ACLSUPPORT		13
    810 #define	NFSATTRBIT_ARCHIVE		14
    811 #define	NFSATTRBIT_CANSETTIME		15
    812 #define	NFSATTRBIT_CASEINSENSITIVE	16
    813 #define	NFSATTRBIT_CASEPRESERVING	17
    814 #define	NFSATTRBIT_CHOWNRESTRICTED	18
    815 #define	NFSATTRBIT_FILEHANDLE		19
    816 #define	NFSATTRBIT_FILEID		20
    817 #define	NFSATTRBIT_FILESAVAIL		21
    818 #define	NFSATTRBIT_FILESFREE		22
    819 #define	NFSATTRBIT_FILESTOTAL		23
    820 #define	NFSATTRBIT_FSLOCATIONS		24
    821 #define	NFSATTRBIT_HIDDEN		25
    822 #define	NFSATTRBIT_HOMOGENEOUS		26
    823 #define	NFSATTRBIT_MAXFILESIZE		27
    824 #define	NFSATTRBIT_MAXLINK		28
    825 #define	NFSATTRBIT_MAXNAME		29
    826 #define	NFSATTRBIT_MAXREAD		30
    827 #define	NFSATTRBIT_MAXWRITE		31
    828 #define	NFSATTRBIT_MIMETYPE		32
    829 #define	NFSATTRBIT_MODE			33
    830 #define	NFSATTRBIT_NOTRUNC		34
    831 #define	NFSATTRBIT_NUMLINKS		35
    832 #define	NFSATTRBIT_OWNER		36
    833 #define	NFSATTRBIT_OWNERGROUP		37
    834 #define	NFSATTRBIT_QUOTAHARD		38
    835 #define	NFSATTRBIT_QUOTASOFT		39
    836 #define	NFSATTRBIT_QUOTAUSED		40
    837 #define	NFSATTRBIT_RAWDEV		41
    838 #define	NFSATTRBIT_SPACEAVAIL		42
    839 #define	NFSATTRBIT_SPACEFREE		43
    840 #define	NFSATTRBIT_SPACETOTAL		44
    841 #define	NFSATTRBIT_SPACEUSED		45
    842 #define	NFSATTRBIT_SYSTEM		46
    843 #define	NFSATTRBIT_TIMEACCESS		47
    844 #define	NFSATTRBIT_TIMEACCESSSET	48
    845 #define	NFSATTRBIT_TIMEBACKUP		49
    846 #define	NFSATTRBIT_TIMECREATE		50
    847 #define	NFSATTRBIT_TIMEDELTA		51
    848 #define	NFSATTRBIT_TIMEMETADATA		52
    849 #define	NFSATTRBIT_TIMEMODIFY		53
    850 #define	NFSATTRBIT_TIMEMODIFYSET	54
    851 #define	NFSATTRBIT_MOUNTEDONFILEID	55
    852 #define	NFSATTRBIT_DIRNOTIFDELAY	56
    853 #define	NFSATTRBIT_DIRENTNOTIFDELAY	57
    854 #define	NFSATTRBIT_DACL			58
    855 #define	NFSATTRBIT_SACL			59
    856 #define	NFSATTRBIT_CHANGEPOLICY		60
    857 #define	NFSATTRBIT_FSSTATUS		61
    858 #define	NFSATTRBIT_FSLAYOUTTYPE		62
    859 #define	NFSATTRBIT_LAYOUTHINT		63
    860 #define	NFSATTRBIT_LAYOUTTYPE		64
    861 #define	NFSATTRBIT_LAYOUTBLKSIZE	65
    862 #define	NFSATTRBIT_LAYOUTALIGNMENT	66
    863 #define	NFSATTRBIT_FSLOCATIONSINFO	67
    864 #define	NFSATTRBIT_MDSTHRESHOLD		68
    865 #define	NFSATTRBIT_RETENTIONGET		69
    866 #define	NFSATTRBIT_RETENTIONSET		70
    867 #define	NFSATTRBIT_RETENTEVTGET		71
    868 #define	NFSATTRBIT_RETENTEVTSET		72
    869 #define	NFSATTRBIT_RETENTIONHOLD	73
    870 #define	NFSATTRBIT_MODESETMASKED	74
    871 #define	NFSATTRBIT_SUPPATTREXCLCREAT	75
    872 #define	NFSATTRBIT_FSCHARSETCAP		76
    873 
    874 #define	NFSATTRBM_SUPPORTEDATTRS	0x00000001
    875 #define	NFSATTRBM_TYPE			0x00000002
    876 #define	NFSATTRBM_FHEXPIRETYPE		0x00000004
    877 #define	NFSATTRBM_CHANGE		0x00000008
    878 #define	NFSATTRBM_SIZE			0x00000010
    879 #define	NFSATTRBM_LINKSUPPORT		0x00000020
    880 #define	NFSATTRBM_SYMLINKSUPPORT	0x00000040
    881 #define	NFSATTRBM_NAMEDATTR		0x00000080
    882 #define	NFSATTRBM_FSID			0x00000100
    883 #define	NFSATTRBM_UNIQUEHANDLES		0x00000200
    884 #define	NFSATTRBM_LEASETIME		0x00000400
    885 #define	NFSATTRBM_RDATTRERROR		0x00000800
    886 #define	NFSATTRBM_ACL			0x00001000
    887 #define	NFSATTRBM_ACLSUPPORT		0x00002000
    888 #define	NFSATTRBM_ARCHIVE		0x00004000
    889 #define	NFSATTRBM_CANSETTIME		0x00008000
    890 #define	NFSATTRBM_CASEINSENSITIVE	0x00010000
    891 #define	NFSATTRBM_CASEPRESERVING	0x00020000
    892 #define	NFSATTRBM_CHOWNRESTRICTED	0x00040000
    893 #define	NFSATTRBM_FILEHANDLE		0x00080000
    894 #define	NFSATTRBM_FILEID		0x00100000
    895 #define	NFSATTRBM_FILESAVAIL		0x00200000
    896 #define	NFSATTRBM_FILESFREE		0x00400000
    897 #define	NFSATTRBM_FILESTOTAL		0x00800000
    898 #define	NFSATTRBM_FSLOCATIONS		0x01000000
    899 #define	NFSATTRBM_HIDDEN		0x02000000
    900 #define	NFSATTRBM_HOMOGENEOUS		0x04000000
    901 #define	NFSATTRBM_MAXFILESIZE		0x08000000
    902 #define	NFSATTRBM_MAXLINK		0x10000000
    903 #define	NFSATTRBM_MAXNAME		0x20000000
    904 #define	NFSATTRBM_MAXREAD		0x40000000
    905 #define	NFSATTRBM_MAXWRITE		0x80000000
    906 #define	NFSATTRBM_MIMETYPE		0x00000001
    907 #define	NFSATTRBM_MODE			0x00000002
    908 #define	NFSATTRBM_NOTRUNC		0x00000004
    909 #define	NFSATTRBM_NUMLINKS		0x00000008
    910 #define	NFSATTRBM_OWNER			0x00000010
    911 #define	NFSATTRBM_OWNERGROUP		0x00000020
    912 #define	NFSATTRBM_QUOTAHARD		0x00000040
    913 #define	NFSATTRBM_QUOTASOFT		0x00000080
    914 #define	NFSATTRBM_QUOTAUSED		0x00000100
    915 #define	NFSATTRBM_RAWDEV		0x00000200
    916 #define	NFSATTRBM_SPACEAVAIL		0x00000400
    917 #define	NFSATTRBM_SPACEFREE		0x00000800
    918 #define	NFSATTRBM_SPACETOTAL		0x00001000
    919 #define	NFSATTRBM_SPACEUSED		0x00002000
    920 #define	NFSATTRBM_SYSTEM		0x00004000
    921 #define	NFSATTRBM_TIMEACCESS		0x00008000
    922 #define	NFSATTRBM_TIMEACCESSSET		0x00010000
    923 #define	NFSATTRBM_TIMEBACKUP		0x00020000
    924 #define	NFSATTRBM_TIMECREATE		0x00040000
    925 #define	NFSATTRBM_TIMEDELTA		0x00080000
    926 #define	NFSATTRBM_TIMEMETADATA		0x00100000
    927 #define	NFSATTRBM_TIMEMODIFY		0x00200000
    928 #define	NFSATTRBM_TIMEMODIFYSET		0x00400000
    929 #define	NFSATTRBM_MOUNTEDONFILEID	0x00800000
    930 #define	NFSATTRBM_DIRNOTIFDELAY		0x01000000
    931 #define	NFSATTRBM_DIRENTNOTIFDELAY	0x02000000
    932 #define	NFSATTRBM_DACL			0x04000000
    933 #define	NFSATTRBM_SACL			0x08000000
    934 #define	NFSATTRBM_CHANGEPOLICY		0x10000000
    935 #define	NFSATTRBM_FSSTATUS		0x20000000
    936 #define	NFSATTRBM_FSLAYOUTTYPE		0x40000000
    937 #define	NFSATTRBM_LAYOUTHINT		0x80000000
    938 #define	NFSATTRBM_LAYOUTTYPE		0x00000001
    939 #define	NFSATTRBM_LAYOUTBLKSIZE		0x00000002
    940 #define	NFSATTRBM_LAYOUTALIGNMENT	0x00000004
    941 #define	NFSATTRBM_FSLOCATIONSINFO	0x00000008
    942 #define	NFSATTRBM_MDSTHRESHOLD		0x00000010
    943 #define	NFSATTRBM_RETENTIONGET		0x00000020
    944 #define	NFSATTRBM_RETENTIONSET		0x00000040
    945 #define	NFSATTRBM_RETENTEVTGET		0x00000080
    946 #define	NFSATTRBM_RETENTEVTSET		0x00000100
    947 #define	NFSATTRBM_RETENTIONHOLD		0x00000200
    948 #define	NFSATTRBM_MODESETMASKED		0x00000400
    949 #define	NFSATTRBM_SUPPATTREXCLCREAT	0x00000800
    950 #define	NFSATTRBM_FSCHARSETCAP		0x00001000
    951 
    952 #define	NFSATTRBIT_MAX			77
    953 
    954 /*
    955  * Sets of attributes that are supported, by words in the bitmap.
    956  */
    957 /*
    958  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
    959  *			  SUPP1 - bits 32<->63
    960  *			  SUPP2 - bits 64<->95
    961  */
    962 #define	NFSATTRBIT_SUPP0						\
    963  	(NFSATTRBM_SUPPORTEDATTRS |					\
    964  	NFSATTRBM_TYPE |						\
    965  	NFSATTRBM_FHEXPIRETYPE |					\
    966  	NFSATTRBM_CHANGE |						\
    967  	NFSATTRBM_SIZE |						\
    968  	NFSATTRBM_LINKSUPPORT |						\
    969  	NFSATTRBM_SYMLINKSUPPORT |					\
    970  	NFSATTRBM_NAMEDATTR |						\
    971  	NFSATTRBM_FSID |						\
    972  	NFSATTRBM_UNIQUEHANDLES |					\
    973  	NFSATTRBM_LEASETIME |						\
    974  	NFSATTRBM_RDATTRERROR |						\
    975  	NFSATTRBM_ACL |							\
    976  	NFSATTRBM_ACLSUPPORT |						\
    977  	NFSATTRBM_CANSETTIME |						\
    978  	NFSATTRBM_CASEINSENSITIVE |					\
    979  	NFSATTRBM_CASEPRESERVING |					\
    980  	NFSATTRBM_CHOWNRESTRICTED |					\
    981  	NFSATTRBM_FILEHANDLE |						\
    982  	NFSATTRBM_FILEID |						\
    983  	NFSATTRBM_FILESAVAIL |						\
    984  	NFSATTRBM_FILESFREE |						\
    985  	NFSATTRBM_FILESTOTAL |						\
    986 	NFSATTRBM_FSLOCATIONS |						\
    987  	NFSATTRBM_HOMOGENEOUS |						\
    988  	NFSATTRBM_MAXFILESIZE |						\
    989  	NFSATTRBM_MAXLINK |						\
    990  	NFSATTRBM_MAXNAME |						\
    991  	NFSATTRBM_MAXREAD |						\
    992  	NFSATTRBM_MAXWRITE)
    993 
    994 /*
    995  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
    996  */
    997 #define	NFSATTRBIT_S1							\
    998  	(NFSATTRBM_MODE |						\
    999  	NFSATTRBM_NOTRUNC |						\
   1000  	NFSATTRBM_NUMLINKS |						\
   1001  	NFSATTRBM_OWNER |						\
   1002  	NFSATTRBM_OWNERGROUP |						\
   1003  	NFSATTRBM_RAWDEV |						\
   1004  	NFSATTRBM_SPACEAVAIL |						\
   1005  	NFSATTRBM_SPACEFREE |						\
   1006  	NFSATTRBM_SPACETOTAL |						\
   1007  	NFSATTRBM_SPACEUSED |						\
   1008  	NFSATTRBM_TIMEACCESS |						\
   1009  	NFSATTRBM_TIMEDELTA |						\
   1010  	NFSATTRBM_TIMEMETADATA |					\
   1011  	NFSATTRBM_TIMEMODIFY |						\
   1012  	NFSATTRBM_MOUNTEDONFILEID |					\
   1013 	NFSATTRBM_QUOTAHARD |                        			\
   1014     	NFSATTRBM_QUOTASOFT |                        			\
   1015     	NFSATTRBM_QUOTAUSED)
   1016 
   1017 
   1018 #ifdef QUOTA
   1019 /*
   1020  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
   1021  * NFSATTRBIT_QUOTAUSED.
   1022  */
   1023 #define	NFSATTRBIT_SUPP1	(NFSATTRBIT_S1 |			\
   1024 				NFSATTRBM_QUOTAHARD |			\
   1025 				NFSATTRBM_QUOTASOFT |			\
   1026 				NFSATTRBM_QUOTAUSED)
   1027 #else
   1028 #define	NFSATTRBIT_SUPP1	NFSATTRBIT_S1
   1029 #endif
   1030 
   1031 #define	NFSATTRBIT_SUPP2	NFSATTRBM_SUPPATTREXCLCREAT
   1032 
   1033 /*
   1034  * NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
   1035  * NFSATTRBIT_TIMEMODIFYSET.
   1036  */
   1037 #define	NFSATTRBIT_SUPPSETONLY	 (NFSATTRBM_TIMEACCESSSET |		\
   1038 				 NFSATTRBM_TIMEMODIFYSET)
   1039 
   1040 /*
   1041  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
   1042  *			SETABLE1 - bits 32<->63
   1043  *			SETABLE2 - bits 64<->95
   1044  */
   1045 #define	NFSATTRBIT_SETABLE0						\
   1046 	(NFSATTRBM_SIZE |						\
   1047 	NFSATTRBM_ACL)
   1048 #define	NFSATTRBIT_SETABLE1						\
   1049  	(NFSATTRBM_MODE |						\
   1050  	NFSATTRBM_OWNER |						\
   1051  	NFSATTRBM_OWNERGROUP |						\
   1052  	NFSATTRBM_TIMEACCESSSET |					\
   1053  	NFSATTRBM_TIMEMODIFYSET)
   1054 #define	NFSATTRBIT_SETABLE2		0
   1055 
   1056 /*
   1057  * Set of attributes that the getattr vnode op needs.
   1058  * OR of the following bits.
   1059  * NFSATTRBIT_GETATTR0 - bits 0<->31
   1060  */
   1061 #define	NFSATTRBIT_GETATTR0						\
   1062  	(NFSATTRBM_SUPPORTEDATTRS |					\
   1063  	NFSATTRBM_TYPE |						\
   1064  	NFSATTRBM_CHANGE |						\
   1065  	NFSATTRBM_SIZE |						\
   1066  	NFSATTRBM_FSID |						\
   1067  	NFSATTRBM_FILEID |						\
   1068  	NFSATTRBM_MAXREAD)
   1069 
   1070 /*
   1071  * NFSATTRBIT_GETATTR1 - bits 32<->63
   1072  */
   1073 #define	NFSATTRBIT_GETATTR1						\
   1074  	(NFSATTRBM_MODE |						\
   1075  	NFSATTRBM_NUMLINKS |						\
   1076  	NFSATTRBM_OWNER |						\
   1077  	NFSATTRBM_OWNERGROUP |						\
   1078  	NFSATTRBM_RAWDEV |						\
   1079  	NFSATTRBM_SPACEUSED |						\
   1080  	NFSATTRBM_TIMEACCESS |						\
   1081  	NFSATTRBM_TIMEMETADATA |					\
   1082  	NFSATTRBM_TIMEMODIFY)
   1083 
   1084 /*
   1085  * NFSATTRBIT_GETATTR2 - bits 64<->95
   1086  */
   1087 #define	NFSATTRBIT_GETATTR2		0
   1088 
   1089 /*
   1090  * Subset of the above that the Write RPC gets.
   1091  * OR of the following bits.
   1092  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
   1093  */
   1094 #define	NFSATTRBIT_WRITEGETATTR0					\
   1095  	(NFSATTRBM_SUPPORTEDATTRS |					\
   1096  	NFSATTRBM_TYPE |						\
   1097  	NFSATTRBM_CHANGE |						\
   1098  	NFSATTRBM_SIZE |						\
   1099  	NFSATTRBM_FSID |						\
   1100  	NFSATTRBM_FILEID |						\
   1101  	NFSATTRBM_MAXREAD)
   1102 
   1103 /*
   1104  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
   1105  */
   1106 #define	NFSATTRBIT_WRITEGETATTR1					\
   1107  	(NFSATTRBM_MODE |						\
   1108  	NFSATTRBM_NUMLINKS |						\
   1109  	NFSATTRBM_RAWDEV |						\
   1110  	NFSATTRBM_SPACEUSED |						\
   1111  	NFSATTRBM_TIMEACCESS |						\
   1112  	NFSATTRBM_TIMEMETADATA |					\
   1113  	NFSATTRBM_TIMEMODIFY)
   1114 
   1115 /*
   1116  * NFSATTRBIT_WRITEGETATTR2 - bits 64<->95
   1117  */
   1118 #define	NFSATTRBIT_WRITEGETATTR2	0
   1119 
   1120 /*
   1121  * Set of attributes that the wccattr operation op needs.
   1122  * OR of the following bits.
   1123  * NFSATTRBIT_WCCATTR0 - bits 0<->31
   1124  */
   1125 #define	NFSATTRBIT_WCCATTR0	0
   1126 
   1127 /*
   1128  * NFSATTRBIT_WCCATTR1 - bits 32<->63
   1129  */
   1130 #define	NFSATTRBIT_WCCATTR1						\
   1131  	(NFSATTRBM_TIMEMODIFY)
   1132 
   1133 /*
   1134  * NFSATTRBIT_WCCATTR2 - bits 64<->95
   1135  */
   1136 #define	NFSATTRBIT_WCCATTR2		0
   1137 
   1138 /*
   1139  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
   1140  */
   1141 #define	NFSATTRBIT_CBGETATTR0	(NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
   1142 
   1143 /*
   1144  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
   1145  */
   1146 #define	NFSATTRBIT_CBGETATTR1		0x0
   1147 
   1148 /*
   1149  * NFSATTRBIT_CBGETATTR2 - bits 64<->95
   1150  */
   1151 #define	NFSATTRBIT_CBGETATTR2		0x0
   1152 
   1153 /*
   1154  * Sets of attributes that require a VFS_STATFS() call to get the
   1155  * values of.
   1156  * NFSATTRBIT_STATFS0 - bits 0<->31
   1157  */
   1158 #define	NFSATTRBIT_STATFS0						\
   1159 	(NFSATTRBM_LINKSUPPORT |					\
   1160 	NFSATTRBM_SYMLINKSUPPORT |					\
   1161 	NFSATTRBM_CANSETTIME |						\
   1162  	NFSATTRBM_FILESAVAIL |						\
   1163  	NFSATTRBM_FILESFREE |						\
   1164  	NFSATTRBM_FILESTOTAL |						\
   1165  	NFSATTRBM_HOMOGENEOUS |						\
   1166  	NFSATTRBM_MAXFILESIZE |						\
   1167 	NFSATTRBM_MAXNAME |						\
   1168 	NFSATTRBM_MAXREAD |						\
   1169 	NFSATTRBM_MAXWRITE)
   1170 
   1171 /*
   1172  * NFSATTRBIT_STATFS1 - bits 32<->63
   1173  */
   1174 #define	NFSATTRBIT_STATFS1						\
   1175  	(NFSATTRBM_QUOTAHARD |						\
   1176  	NFSATTRBM_QUOTASOFT |						\
   1177  	NFSATTRBM_QUOTAUSED |						\
   1178  	NFSATTRBM_SPACEAVAIL |						\
   1179  	NFSATTRBM_SPACEFREE |						\
   1180  	NFSATTRBM_SPACETOTAL |						\
   1181  	NFSATTRBM_SPACEUSED |						\
   1182 	NFSATTRBM_TIMEDELTA)
   1183 
   1184 /*
   1185  * NFSATTRBIT_STATFS2 - bits 64<->95
   1186  */
   1187 #define	NFSATTRBIT_STATFS2		0
   1188 
   1189 /*
   1190  * These are the bits that are needed by the nfs_statfs() call.
   1191  * (The regular getattr bits are or'd in so the vnode gets the correct
   1192  *  type, etc.)
   1193  * NFSGETATTRBIT_STATFS0 - bits 0<->31
   1194  */
   1195 #define	NFSGETATTRBIT_STATFS0	(NFSATTRBIT_GETATTR0 |			\
   1196 				NFSATTRBM_LINKSUPPORT |			\
   1197 				NFSATTRBM_SYMLINKSUPPORT |		\
   1198 				NFSATTRBM_CANSETTIME |			\
   1199 				NFSATTRBM_FILESFREE |			\
   1200 				NFSATTRBM_FILESTOTAL |			\
   1201 				NFSATTRBM_HOMOGENEOUS |			\
   1202 				NFSATTRBM_MAXFILESIZE |			\
   1203 				NFSATTRBM_MAXNAME |			\
   1204 				NFSATTRBM_MAXREAD |			\
   1205 				NFSATTRBM_MAXWRITE)
   1206 
   1207 /*
   1208  * NFSGETATTRBIT_STATFS1 - bits 32<->63
   1209  */
   1210 #define	NFSGETATTRBIT_STATFS1	(NFSATTRBIT_GETATTR1 |			\
   1211 				NFSATTRBM_SPACEAVAIL |			\
   1212 				NFSATTRBM_SPACEFREE |			\
   1213 				NFSATTRBM_SPACETOTAL |			\
   1214 				NFSATTRBM_TIMEDELTA)
   1215 
   1216 /*
   1217  * NFSGETATTRBIT_STATFS2 - bits 64<->95
   1218  */
   1219 #define	NFSGETATTRBIT_STATFS2		0
   1220 
   1221 /*
   1222  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
   1223  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
   1224  */
   1225 #define	NFSGETATTRBIT_PATHCONF0	(NFSATTRBIT_GETATTR0 |			\
   1226 			 	NFSATTRBM_CASEINSENSITIVE |		\
   1227 			 	NFSATTRBM_CASEPRESERVING |		\
   1228 			 	NFSATTRBM_CHOWNRESTRICTED |		\
   1229 			 	NFSATTRBM_MAXLINK |			\
   1230 			 	NFSATTRBM_MAXNAME)
   1231 
   1232 /*
   1233  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
   1234  */
   1235 #define	NFSGETATTRBIT_PATHCONF1	(NFSATTRBIT_GETATTR1 |			\
   1236 				NFSATTRBM_NOTRUNC)
   1237 
   1238 /*
   1239  * NFSGETATTRBIT_PATHCONF2 - bits 64<->95
   1240  */
   1241 #define	NFSGETATTRBIT_PATHCONF2		0
   1242 
   1243 /*
   1244  * Sets of attributes required by readdir and readdirplus.
   1245  * NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
   1246  *				 NFSATTRBIT_RDATTRERROR)
   1247  */
   1248 #define	NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
   1249 				NFSATTRBM_RDATTRERROR)
   1250 #define	NFSATTRBIT_READDIRPLUS1	NFSATTRBIT_GETATTR1
   1251 #define	NFSATTRBIT_READDIRPLUS2		0
   1252 
   1253 /*
   1254  * Set of attributes supported by Referral vnodes.
   1255  */
   1256 #define	NFSATTRBIT_REFERRAL0	(NFSATTRBM_TYPE | NFSATTRBM_FSID |	\
   1257 	NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
   1258 #define	NFSATTRBIT_REFERRAL1	NFSATTRBM_MOUNTEDONFILEID
   1259 #define	NFSATTRBIT_REFERRAL2		0
   1260 
   1261 /*
   1262  * Structure for data handled by the statfs rpc. Since some fields are
   1263  * u_int64_t, this cannot be used for copying data on/off the wire, due
   1264  * to alignment concerns.
   1265  */
   1266 struct nfsstatfs {
   1267 	union {
   1268 		struct {
   1269 			u_int32_t nfsv2sf_tsize;
   1270 			u_int32_t nfsv2sf_bsize;
   1271 			u_int32_t nfsv2sf_blocks;
   1272 			u_int32_t nfsv2sf_bfree;
   1273 			u_int32_t nfsv2sf_bavail;
   1274 		} sf_nfsv2;
   1275 		struct {
   1276 			u_int64_t nfsv3sf_tbytes;
   1277 			u_int64_t nfsv3sf_fbytes;
   1278 			u_int64_t nfsv3sf_abytes;
   1279 			u_int64_t nfsv3sf_tfiles;
   1280 			u_int64_t nfsv3sf_ffiles;
   1281 			u_int64_t nfsv3sf_afiles;
   1282 			u_int32_t nfsv3sf_invarsec;
   1283 		} sf_nfsv3;
   1284 	} sf_un;
   1285 };
   1286 
   1287 #define	sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
   1288 #define	sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
   1289 #define	sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
   1290 #define	sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
   1291 #define	sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
   1292 #define	sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
   1293 #define	sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
   1294 #define	sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
   1295 #define	sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
   1296 #define	sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
   1297 #define	sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
   1298 #define	sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec
   1299 
   1300 /*
   1301  * Now defined using u_int64_t for the 64 bit field(s).
   1302  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
   1303  */
   1304 struct nfsfsinfo {
   1305 	u_int32_t fs_rtmax;
   1306 	u_int32_t fs_rtpref;
   1307 	u_int32_t fs_rtmult;
   1308 	u_int32_t fs_wtmax;
   1309 	u_int32_t fs_wtpref;
   1310 	u_int32_t fs_wtmult;
   1311 	u_int32_t fs_dtpref;
   1312 	u_int64_t fs_maxfilesize;
   1313 	struct timespec fs_timedelta;
   1314 	u_int32_t fs_properties;
   1315 };
   1316 
   1317 /*
   1318  * Bits for fs_properties
   1319  */
   1320 #define	NFSV3_FSFLINK		0x1
   1321 #define	NFSV3_FSFSYMLINK	0x2
   1322 #define	NFSV3_FSFHOMOGENEOUS	0x4
   1323 #define	NFSV3_FSFCANSETTIME	0x8
   1324 
   1325 /*
   1326  * Yikes, overload fs_rtmult as fs_maxname for V4.
   1327  */
   1328 #define	fs_maxname	fs_rtmult
   1329 
   1330 struct nfsv3_pathconf {
   1331 	u_int32_t pc_linkmax;
   1332 	u_int32_t pc_namemax;
   1333 	u_int32_t pc_notrunc;
   1334 	u_int32_t pc_chownrestricted;
   1335 	u_int32_t pc_caseinsensitive;
   1336 	u_int32_t pc_casepreserving;
   1337 };
   1338 
   1339 /*
   1340  * NFS V4 data structures.
   1341  */
   1342 struct nfsv4stateid {
   1343 	u_int32_t	seqid;
   1344 	u_int32_t	other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
   1345 };
   1346 typedef struct nfsv4stateid nfsv4stateid_t;
   1347 
   1348 #endif	/* _NFS_NFSPROTO_H_ */
   1349