xref: /freebsd/sys/fs/nfs/nfsproto.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Rick Macklem at The University of Guelph.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD$
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 /*
62  * Calculating the maximum XDR overhead for an NFS RPC isn't easy.
63  * NFS_MAXPKTHDR is antiquated and assumes AUTH_SYS over UDP.
64  * NFS_MAXXDR should be sufficient for all NFS versions over TCP.
65  * It includes:
66  * - Maximum RPC message header. It can include 2 400byte authenticators plus
67  *   a machine name of unlimited length, although it is usually relatively
68  *   small.
69  * - XDR overheads for the NFSv4 compound. This can include Owner and
70  *   Owner_group strings, which are usually fairly small, but are allowed
71  *   to be up to 1024 bytes each.
72  * 4096 is overkill, but should always be sufficient.
73  */
74 #define	NFS_MAXPKTHDR	404
75 #define	NFS_MAXXDR	4096
76 #define	NFS_MINPACKET	20
77 #define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
78 #define	NFSV4_MINORVERSION	0	/* V4 Minor version */
79 #define	NFSV41_MINORVERSION	1	/* V4 Minor version */
80 #define	NFSV42_MINORVERSION	2	/* V4 Minor version */
81 #define	NFSV4_CBVERS		1	/* V4 CB Version */
82 #define	NFSV41_CBVERS		4	/* V4.1 CB Version */
83 #define	NFSV4_SMALLSTR	50		/* Strings small enough for stack */
84 
85 /*
86  * This value isn't a fixed value in the RFCs.
87  * It is the maximum data size supported by NFSv3 or NFSv4 over TCP for
88  * the server.  It should be set to the I/O size preferred by ZFS or
89  * MAXBSIZE, whichever is greater.
90  * ZFS currently prefers 128K.
91  * It used to be called NFS_MAXDATA, but has been renamed to clarify that
92  * it refers to server side only and doesn't conflict with the NFS_MAXDATA
93  * defined in rpcsvc/nfs_prot.h for userland.
94  */
95 #define	NFS_SRVMAXIO	(128 * 1024)
96 
97 /* Stat numbers for rpc returns (version 2, 3 and 4) */
98 /*
99  * These numbers are hard-wired in the RFCs, so they can't be changed.
100  * The code currently assumes that the ones < 10000 are the same as
101  * sys/errno.h and that sys/errno.h will never go as high as 10000.
102  * If the value in sys/errno.h of any entry listed below is changed,
103  * the NFS code must be modified to do the mapping between them.
104  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
105  */
106 #define	NFSERR_OK		0
107 #define	NFSERR_PERM		1
108 #define	NFSERR_NOENT		2
109 #define	NFSERR_IO		5
110 #define	NFSERR_NXIO		6
111 #define	NFSERR_ACCES		13
112 #define	NFSERR_EXIST		17
113 #define	NFSERR_XDEV		18	/* Version 3, 4 only */
114 #define	NFSERR_NODEV		19
115 #define	NFSERR_NOTDIR		20
116 #define	NFSERR_ISDIR		21
117 #define	NFSERR_INVAL		22	/* Version 3, 4 only */
118 #define	NFSERR_FBIG		27
119 #define	NFSERR_NOSPC		28
120 #define	NFSERR_ROFS		30
121 #define	NFSERR_MLINK		31	/* Version 3, 4 only */
122 #define	NFSERR_NAMETOL		63
123 #define	NFSERR_NOTEMPTY		66
124 #define	NFSERR_DQUOT		69
125 #define	NFSERR_STALE		70
126 #define	NFSERR_REMOTE		71	/* Version 3 only */
127 #define	NFSERR_WFLUSH		99	/* Version 2 only */
128 #define	NFSERR_BADHANDLE	10001	/* These are Version 3, 4 only */
129 #define	NFSERR_NOT_SYNC		10002	/* Version 3 Only */
130 #define	NFSERR_BAD_COOKIE	10003
131 #define	NFSERR_NOTSUPP		10004
132 #define	NFSERR_TOOSMALL		10005
133 #define	NFSERR_SERVERFAULT	10006
134 #define	NFSERR_BADTYPE		10007
135 #define	NFSERR_DELAY		10008	/* Called NFSERR_JUKEBOX for V3 */
136 #define	NFSERR_SAME		10009	/* These are Version 4 only */
137 #define	NFSERR_DENIED		10010
138 #define	NFSERR_EXPIRED		10011
139 #define	NFSERR_LOCKED		10012
140 #define	NFSERR_GRACE		10013
141 #define	NFSERR_FHEXPIRED	10014
142 #define	NFSERR_SHAREDENIED	10015
143 #define	NFSERR_WRONGSEC		10016
144 #define	NFSERR_CLIDINUSE	10017
145 #define	NFSERR_RESOURCE		10018
146 #define	NFSERR_MOVED		10019
147 #define	NFSERR_NOFILEHANDLE	10020
148 #define	NFSERR_MINORVERMISMATCH	10021
149 #define	NFSERR_STALECLIENTID	10022
150 #define	NFSERR_STALESTATEID	10023
151 #define	NFSERR_OLDSTATEID	10024
152 #define	NFSERR_BADSTATEID	10025
153 #define	NFSERR_BADSEQID		10026
154 #define	NFSERR_NOTSAME		10027
155 #define	NFSERR_LOCKRANGE	10028
156 #define	NFSERR_SYMLINK		10029
157 #define	NFSERR_RESTOREFH	10030
158 #define	NFSERR_LEASEMOVED	10031
159 #define	NFSERR_ATTRNOTSUPP	10032
160 #define	NFSERR_NOGRACE		10033
161 #define	NFSERR_RECLAIMBAD	10034
162 #define	NFSERR_RECLAIMCONFLICT	10035
163 #define	NFSERR_BADXDR		10036
164 #define	NFSERR_LOCKSHELD	10037
165 #define	NFSERR_OPENMODE		10038
166 #define	NFSERR_BADOWNER		10039
167 #define	NFSERR_BADCHAR		10040
168 #define	NFSERR_BADNAME		10041
169 #define	NFSERR_BADRANGE		10042
170 #define	NFSERR_LOCKNOTSUPP	10043
171 #define	NFSERR_OPILLEGAL	10044
172 #define	NFSERR_DEADLOCK		10045
173 #define	NFSERR_FILEOPEN		10046
174 #define	NFSERR_ADMINREVOKED	10047
175 #define	NFSERR_CBPATHDOWN	10048
176 
177 /* NFSv4.1 specific errors. */
178 #define	NFSERR_BADIOMODE	10049
179 #define	NFSERR_BADLAYOUT	10050
180 #define	NFSERR_BADSESSIONDIGEST	10051
181 #define	NFSERR_BADSESSION	10052
182 #define	NFSERR_BADSLOT		10053
183 #define	NFSERR_COMPLETEALREADY	10054
184 #define	NFSERR_NOTBNDTOSESS	10055
185 #define	NFSERR_DELEGALREADYWANT	10056
186 #define	NFSERR_BACKCHANBUSY	10057
187 #define	NFSERR_LAYOUTTRYLATER	10058
188 #define	NFSERR_LAYOUTUNAVAIL	10059
189 #define	NFSERR_NOMATCHLAYOUT	10060
190 #define	NFSERR_RECALLCONFLICT	10061
191 #define	NFSERR_UNKNLAYOUTTYPE	10062
192 #define	NFSERR_SEQMISORDERED	10063
193 #define	NFSERR_SEQUENCEPOS	10064
194 #define	NFSERR_REQTOOBIG	10065
195 #define	NFSERR_REPTOOBIG	10066
196 #define	NFSERR_REPTOOBIGTOCACHE	10067
197 #define	NFSERR_RETRYUNCACHEDREP	10068
198 #define	NFSERR_UNSAFECOMPOUND	10069
199 #define	NFSERR_TOOMANYOPS	10070
200 #define	NFSERR_OPNOTINSESS	10071
201 #define	NFSERR_HASHALGUNSUPP	10072
202 #define	NFSERR_CLIENTIDBUSY	10074
203 #define	NFSERR_PNFSIOHOLE	10075
204 #define	NFSERR_SEQFALSERETRY	10076
205 #define	NFSERR_BADHIGHSLOT	10077
206 #define	NFSERR_DEADSESSION	10078
207 #define	NFSERR_ENCRALGUNSUPP	10079
208 #define	NFSERR_PNFSNOLAYOUT	10080
209 #define	NFSERR_NOTONLYOP	10081
210 #define	NFSERR_WRONGCRED	10082
211 #define	NFSERR_WRONGTYPE	10083
212 #define	NFSERR_DIRDELEGUNAVAIL	10084
213 #define	NFSERR_REJECTDELEG	10085
214 #define	NFSERR_RETURNCONFLICT	10086
215 #define	NFSERR_DELEGREVOKED	10087
216 
217 /* NFSv4.2 specific errors. */
218 #define	NFSERR_PARTNERNOTSUPP	10088
219 #define	NFSERR_PARTNERNOAUTH	10089
220 #define	NFSERR_UNIONNOTSUPP	10090
221 #define	NFSERR_OFFLOADDENIED	10091
222 #define	NFSERR_WRONGLFS		10092
223 #define	NFSERR_BADLABEL		10093
224 #define	NFSERR_OFFLOADNOREQS	10094
225 
226 /* NFSv4.2 Extended Attribute errors. */
227 #define	NFSERR_NOXATTR		10095
228 #define	NFSERR_XATTR2BIG	10096
229 
230 /* Maximum value of all the NFS error values. */
231 #define	NFSERR_MAXERRVAL	NFSERR_XATTR2BIG
232 
233 #define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */
234 #define	NFSERR_DONTREPLY	30003	/* Don't process request */
235 #define	NFSERR_RETVOID		30004	/* Return void, not error */
236 #define	NFSERR_REPLYFROMCACHE	30005	/* Reply from recent request cache */
237 #define	NFSERR_STALEDONTRECOVER	30006	/* Don't initiate recovery */
238 
239 #define	NFSERR_RPCERR		0x40000000 /* Mark an RPC layer error */
240 #define	NFSERR_AUTHERR		0x80000000 /* Mark an authentication error */
241 
242 #define	NFSERR_RPCMISMATCH	(NFSERR_RPCERR | RPC_MISMATCH)
243 #define	NFSERR_PROGUNAVAIL	(NFSERR_RPCERR | RPC_PROGUNAVAIL)
244 #define	NFSERR_PROGMISMATCH	(NFSERR_RPCERR | RPC_PROGMISMATCH)
245 #define	NFSERR_PROGNOTV4	(NFSERR_RPCERR | 0xffff)
246 #define	NFSERR_PROCUNAVAIL	(NFSERR_RPCERR | RPC_PROCUNAVAIL)
247 #define	NFSERR_GARBAGE		(NFSERR_RPCERR | RPC_GARBAGE)
248 
249 /* Sizes in bytes of various nfs rpc components */
250 #define	NFSX_UNSIGNED	4
251 #define	NFSX_HYPER	(2 * NFSX_UNSIGNED)
252 
253 /* specific to NFS Version 2 */
254 #define	NFSX_V2FH	32
255 #define	NFSX_V2FATTR	68
256 #define	NFSX_V2SATTR	32
257 #define	NFSX_V2COOKIE	4
258 #define	NFSX_V2STATFS	20
259 
260 /* specific to NFS Version 3 */
261 #define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
262 #define	NFSX_V3FATTR		84
263 #define	NFSX_V3SATTR		60	/* max. all fields filled in */
264 #define	NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
265 #define	NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
266 #define	NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
267 #define	NFSX_V3STATFS		52
268 #define	NFSX_V3FSINFO		48
269 #define	NFSX_V3PATHCONF		24
270 
271 /* specific to NFS Version 4 */
272 #define	NFSX_V4FHMAX		128
273 #define	NFSX_V4FSID		(2 * NFSX_HYPER)
274 #define	NFSX_V4SPECDATA		(2 * NFSX_UNSIGNED)
275 #define	NFSX_V4TIME		(NFSX_HYPER + NFSX_UNSIGNED)
276 #define	NFSX_V4SETTIME		(NFSX_UNSIGNED + NFSX_V4TIME)
277 #define	NFSX_V4SESSIONID	16
278 #define	NFSX_V4DEVICEID		16
279 #define	NFSX_V4PNFSFH		(sizeof(fhandle_t) + 1)
280 #define	NFSX_V4FILELAYOUT	(4 * NFSX_UNSIGNED + NFSX_V4DEVICEID +	\
281 				 NFSX_HYPER + NFSM_RNDUP(NFSX_V4PNFSFH))
282 #define	NFSX_V4FLEXLAYOUT(m)	(NFSX_HYPER + 3 * NFSX_UNSIGNED +		\
283     ((m) * (NFSX_V4DEVICEID + NFSX_STATEID + NFSM_RNDUP(NFSX_V4PNFSFH) +	\
284     8 * NFSX_UNSIGNED)))
285 
286 /* sizes common to multiple NFS versions */
287 #define	NFSX_FHMAX		(NFSX_V4FHMAX)
288 #define	NFSX_MYFH		(sizeof (fhandle_t)) /* size this server uses */
289 #define	NFSX_VERF 		8
290 #define	NFSX_STATEIDOTHER	12
291 #define	NFSX_STATEID		(NFSX_UNSIGNED + NFSX_STATEIDOTHER)
292 #define	NFSX_GSSH		12
293 
294 /* variants for multiple versions */
295 #define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
296 
297 /*
298  * Beware.  NFSPROC_NULL and friends are defined in
299  * <rpcsvc/nfs_prot.h> as well and the numbers are different.
300  */
301 #ifndef	NFSPROC_NULL
302 /* nfs rpc procedure numbers (before version mapping) */
303 #define	NFSPROC_NULL		0
304 #define	NFSPROC_GETATTR		1
305 #define	NFSPROC_SETATTR		2
306 #define	NFSPROC_LOOKUP		3
307 #define	NFSPROC_ACCESS		4
308 #define	NFSPROC_READLINK	5
309 #define	NFSPROC_READ		6
310 #define	NFSPROC_WRITE		7
311 #define	NFSPROC_CREATE		8
312 #define	NFSPROC_MKDIR		9
313 #define	NFSPROC_SYMLINK		10
314 #define	NFSPROC_MKNOD		11
315 #define	NFSPROC_REMOVE		12
316 #define	NFSPROC_RMDIR		13
317 #define	NFSPROC_RENAME		14
318 #define	NFSPROC_LINK		15
319 #define	NFSPROC_READDIR		16
320 #define	NFSPROC_READDIRPLUS	17
321 #define	NFSPROC_FSSTAT		18
322 #define	NFSPROC_FSINFO		19
323 #define	NFSPROC_PATHCONF	20
324 #define	NFSPROC_COMMIT		21
325 #endif	/* NFSPROC_NULL */
326 
327 /*
328  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
329  * numbers used by NFSv4.
330  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
331  * one greater than the last number.
332  */
333 #ifndef	NFS_V3NPROCS
334 #define	NFS_V3NPROCS		22
335 
336 #define	NFSPROC_LOOKUPP		22
337 #define	NFSPROC_SETCLIENTID	23
338 #define	NFSPROC_SETCLIENTIDCFRM	24
339 #define	NFSPROC_LOCK		25
340 #define	NFSPROC_LOCKU		26
341 #define	NFSPROC_OPEN		27
342 #define	NFSPROC_CLOSE		28
343 #define	NFSPROC_OPENCONFIRM	29
344 #define	NFSPROC_LOCKT		30
345 #define	NFSPROC_OPENDOWNGRADE	31
346 #define	NFSPROC_RENEW		32
347 #define	NFSPROC_PUTROOTFH	33
348 #define	NFSPROC_RELEASELCKOWN	34
349 #define	NFSPROC_DELEGRETURN	35
350 #define	NFSPROC_RETDELEGREMOVE	36
351 #define	NFSPROC_RETDELEGRENAME1	37
352 #define	NFSPROC_RETDELEGRENAME2	38
353 #define	NFSPROC_GETACL		39
354 #define	NFSPROC_SETACL		40
355 
356 /*
357  * Must be defined as one higher than the last Proc# above.
358  */
359 #define	NFSV4_NPROCS		41
360 
361 /* Additional procedures for NFSv4.1. */
362 #define	NFSPROC_EXCHANGEID	41
363 #define	NFSPROC_CREATESESSION	42
364 #define	NFSPROC_DESTROYSESSION	43
365 #define	NFSPROC_DESTROYCLIENT	44
366 #define	NFSPROC_FREESTATEID	45
367 #define	NFSPROC_LAYOUTGET	46
368 #define	NFSPROC_GETDEVICEINFO	47
369 #define	NFSPROC_LAYOUTCOMMIT	48
370 #define	NFSPROC_LAYOUTRETURN	49
371 #define	NFSPROC_RECLAIMCOMPL	50
372 #define	NFSPROC_WRITEDS		51
373 #define	NFSPROC_READDS		52
374 #define	NFSPROC_COMMITDS	53
375 #define	NFSPROC_OPENLAYGET	54
376 #define	NFSPROC_CREATELAYGET	55
377 
378 /*
379  * Must be defined as one higher than the last NFSv4.1 Proc# above.
380  */
381 #define	NFSV41_NPROCS		56
382 
383 /* Additional procedures for NFSv4.2. */
384 #define	NFSPROC_IOADVISE	56
385 #define	NFSPROC_ALLOCATE	57
386 #define	NFSPROC_COPY		58
387 #define	NFSPROC_SEEK		59
388 #define	NFSPROC_SEEKDS		60
389 
390 /* and the ones for the optional Extended attribute support (RFC-8276). */
391 #define	NFSPROC_GETEXTATTR	61
392 #define	NFSPROC_SETEXTATTR	62
393 #define	NFSPROC_RMEXTATTR	63
394 #define	NFSPROC_LISTEXTATTR	64
395 
396 /* BindConnectionToSession, done by the krpc for a new connection. */
397 #define	NFSPROC_BINDCONNTOSESS	65
398 
399 /* Do a Lookup+Open for "oneopenown". */
400 #define	NFSPROC_LOOKUPOPEN	66
401 
402 /* Do an NFSv4.2 Deallocate. */
403 #define	NFSPROC_DEALLOCATE	67
404 
405 /* Do an NFSv4.2 LayoutError. */
406 #define	NFSPROC_LAYOUTERROR	68
407 
408 /* Do an NFSv4 Verify+Write. */
409 #define	NFSPROC_APPENDWRITE	69
410 
411 /*
412  * Must be defined as one higher than the last NFSv4.2 Proc# above.
413  */
414 #define	NFSV42_NPROCS		70
415 
416 /* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */
417 #define	NFSV42_OLDNPROCS	69
418 
419 #endif	/* NFS_V3NPROCS */
420 
421 /*
422  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
423  */
424 #ifndef	NFS_NPROCS
425 #define	NFS_NPROCS		NFSV4_NPROCS
426 #endif
427 
428 /*
429  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
430  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV42_NOPS, which
431  * is one greater than the highest Op#.
432  */
433 #define	NFSPROC_NOOP		NFSV42_NOPS
434 
435 /* Actual Version 2 procedure numbers */
436 #define	NFSV2PROC_NULL		0
437 #define	NFSV2PROC_GETATTR	1
438 #define	NFSV2PROC_SETATTR	2
439 #define	NFSV2PROC_NOOP		3
440 #define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
441 #define	NFSV2PROC_LOOKUP	4
442 #define	NFSV2PROC_READLINK	5
443 #define	NFSV2PROC_READ		6
444 #define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
445 #define	NFSV2PROC_WRITE		8
446 #define	NFSV2PROC_CREATE	9
447 #define	NFSV2PROC_REMOVE	10
448 #define	NFSV2PROC_RENAME	11
449 #define	NFSV2PROC_LINK		12
450 #define	NFSV2PROC_SYMLINK	13
451 #define	NFSV2PROC_MKDIR		14
452 #define	NFSV2PROC_RMDIR		15
453 #define	NFSV2PROC_READDIR	16
454 #define	NFSV2PROC_STATFS	17
455 
456 /*
457  * V4 Procedure numbers
458  */
459 #define	NFSV4PROC_COMPOUND	1
460 #define	NFSV4PROC_CBNULL	0
461 #define	NFSV4PROC_CBCOMPOUND	1
462 
463 /*
464  * Constants used by the Version 3 and 4 protocols for various RPCs
465  */
466 #define	NFSV3SATTRTIME_DONTCHANGE	0
467 #define	NFSV3SATTRTIME_TOSERVER		1
468 #define	NFSV3SATTRTIME_TOCLIENT		2
469 
470 #define	NFSV4SATTRTIME_TOSERVER		0
471 #define	NFSV4SATTRTIME_TOCLIENT		1
472 
473 #define	NFSV4LOCKT_READ			1
474 #define	NFSV4LOCKT_WRITE		2
475 #define	NFSV4LOCKT_READW		3
476 #define	NFSV4LOCKT_WRITEW		4
477 #define	NFSV4LOCKT_RELEASE		5
478 
479 #define	NFSV4OPEN_NOCREATE		0
480 #define	NFSV4OPEN_CREATE		1
481 #define	NFSV4OPEN_CLAIMNULL		0
482 #define	NFSV4OPEN_CLAIMPREVIOUS		1
483 #define	NFSV4OPEN_CLAIMDELEGATECUR	2
484 #define	NFSV4OPEN_CLAIMDELEGATEPREV	3
485 #define	NFSV4OPEN_CLAIMFH		4
486 #define	NFSV4OPEN_CLAIMDELEGATECURFH	5
487 #define	NFSV4OPEN_CLAIMDELEGATEPREVFH	6
488 #define	NFSV4OPEN_DELEGATENONE		0
489 #define	NFSV4OPEN_DELEGATEREAD		1
490 #define	NFSV4OPEN_DELEGATEWRITE		2
491 #define	NFSV4OPEN_DELEGATENONEEXT	3
492 #define	NFSV4OPEN_LIMITSIZE		1
493 #define	NFSV4OPEN_LIMITBLOCKS		2
494 
495 /*
496  * Nfs V4 ACE stuff
497  */
498 #define	NFSV4ACE_ALLOWEDTYPE		0x00000000
499 #define	NFSV4ACE_DENIEDTYPE		0x00000001
500 #define	NFSV4ACE_AUDITTYPE		0x00000002
501 #define	NFSV4ACE_ALARMTYPE		0x00000003
502 
503 #define	NFSV4ACE_SUPALLOWED		0x00000001
504 #define	NFSV4ACE_SUPDENIED		0x00000002
505 #define	NFSV4ACE_SUPAUDIT		0x00000004
506 #define	NFSV4ACE_SUPALARM		0x00000008
507 
508 #define	NFSV4ACE_SUPTYPES	(NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
509 
510 #define	NFSV4ACE_FILEINHERIT		0x00000001
511 #define	NFSV4ACE_DIRECTORYINHERIT	0x00000002
512 #define	NFSV4ACE_NOPROPAGATEINHERIT	0x00000004
513 #define	NFSV4ACE_INHERITONLY		0x00000008
514 #define	NFSV4ACE_SUCCESSFULACCESS	0x00000010
515 #define	NFSV4ACE_FAILEDACCESS		0x00000020
516 #define	NFSV4ACE_IDENTIFIERGROUP	0x00000040
517 
518 #define	NFSV4ACE_READDATA		0x00000001
519 #define	NFSV4ACE_LISTDIRECTORY		0x00000001
520 #define	NFSV4ACE_WRITEDATA		0x00000002
521 #define	NFSV4ACE_ADDFILE		0x00000002
522 #define	NFSV4ACE_APPENDDATA		0x00000004
523 #define	NFSV4ACE_ADDSUBDIRECTORY	0x00000004
524 #define	NFSV4ACE_READNAMEDATTR		0x00000008
525 #define	NFSV4ACE_WRITENAMEDATTR		0x00000010
526 #define	NFSV4ACE_EXECUTE		0x00000020
527 #define	NFSV4ACE_SEARCH			0x00000020
528 #define	NFSV4ACE_DELETECHILD		0x00000040
529 #define	NFSV4ACE_READATTRIBUTES		0x00000080
530 #define	NFSV4ACE_WRITEATTRIBUTES	0x00000100
531 #define	NFSV4ACE_DELETE			0x00010000
532 #define	NFSV4ACE_READACL		0x00020000
533 #define	NFSV4ACE_WRITEACL		0x00040000
534 #define	NFSV4ACE_WRITEOWNER		0x00080000
535 #define	NFSV4ACE_SYNCHRONIZE		0x00100000
536 
537 /*
538  * Here are the mappings between mode bits and acl mask bits for
539  * directories and other files.
540  * (Named attributes have not been included, since named attributes are
541  *  not yet supported.)
542  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
543  * searching a directory, although I can't find a statement of that in
544  * the RFC.
545  */
546 #define	NFSV4ACE_ALLFILESMASK	(NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
547 #define	NFSV4ACE_OWNERMASK	(NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
548 #define	NFSV4ACE_DIRREADMASK	NFSV4ACE_LISTDIRECTORY
549 #define	NFSV4ACE_DIREXECUTEMASK	NFSV4ACE_EXECUTE
550 #define	NFSV4ACE_DIRWRITEMASK	(NFSV4ACE_ADDFILE | 			\
551 		NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
552 #define	NFSV4ACE_READMASK	NFSV4ACE_READDATA
553 #define	NFSV4ACE_WRITEMASK	(NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
554 #define	NFSV4ACE_EXECUTEMASK	NFSV4ACE_EXECUTE
555 #define	NFSV4ACE_ALLFILEBITS	(NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
556 	NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
557 #define	NFSV4ACE_ALLDIRBITS	(NFSV4ACE_DIRREADMASK | 		\
558 	NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
559 #define	NFSV4ACE_AUDITMASK	0x0
560 
561 /*
562  * These GENERIC masks are not used and are no longer believed to be useful.
563  */
564 #define	NFSV4ACE_GENERICREAD		0x00120081
565 #define	NFSV4ACE_GENERICWRITE		0x00160106
566 #define	NFSV4ACE_GENERICEXECUTE		0x001200a0
567 
568 #define	NFSSTATEID_PUTALLZERO		0
569 #define	NFSSTATEID_PUTALLONE		1
570 #define	NFSSTATEID_PUTSTATEID		2
571 #define	NFSSTATEID_PUTSEQIDZERO		3
572 
573 /*
574  * Bits for share access and deny.
575  */
576 #define	NFSV4OPEN_ACCESSREAD		0x00000001
577 #define	NFSV4OPEN_ACCESSWRITE		0x00000002
578 #define	NFSV4OPEN_ACCESSBOTH		0x00000003
579 #define	NFSV4OPEN_WANTDELEGMASK		0x0000ff00
580 #define	NFSV4OPEN_WANTREADDELEG		0x00000100
581 #define	NFSV4OPEN_WANTWRITEDELEG	0x00000200
582 #define	NFSV4OPEN_WANTANYDELEG		0x00000300
583 #define	NFSV4OPEN_WANTNODELEG		0x00000400
584 #define	NFSV4OPEN_WANTCANCEL		0x00000500
585 #define	NFSV4OPEN_WANTSIGNALDELEG	0x00010000
586 #define	NFSV4OPEN_WANTPUSHDELEG		0x00020000
587 
588 #define	NFSV4OPEN_DENYNONE		0x00000000
589 #define	NFSV4OPEN_DENYREAD		0x00000001
590 #define	NFSV4OPEN_DENYWRITE		0x00000002
591 #define	NFSV4OPEN_DENYBOTH		0x00000003
592 
593 /*
594  * Delegate_none_ext reply values.
595  */
596 #define	NFSV4OPEN_NOTWANTED		0
597 #define	NFSV4OPEN_CONTENTION		1
598 #define	NFSV4OPEN_RESOURCE		2
599 #define	NFSV4OPEN_NOTSUPPFTYPE		3
600 #define	NFSV4OPEN_NOTSUPPWRITEFTYPE	4
601 #define	NFSV4OPEN_NOTSUPPUPGRADE	5
602 #define	NFSV4OPEN_NOTSUPPDOWNGRADE	6
603 #define	NFSV4OPEN_CANCELLED		7
604 #define	NFSV4OPEN_ISDIR			8
605 
606 /*
607  * Open result flags
608  * (The first four are in the spec. The rest are used internally.)
609  */
610 #define	NFSV4OPEN_RESULTCONFIRM		0x00000002
611 #define	NFSV4OPEN_LOCKTYPEPOSIX		0x00000004
612 #define	NFSV4OPEN_PRESERVEUNLINKED	0x00000008
613 #define	NFSV4OPEN_MAYNOTIFYLOCK		0x00000020
614 #define	NFSV4OPEN_RFLAGS 						\
615     (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX |		\
616     NFSV4OPEN_PRESERVEUNLINKED | NFSV4OPEN_MAYNOTIFYLOCK)
617 #define	NFSV4OPEN_RECALL		0x00010000
618 #define	NFSV4OPEN_READDELEGATE		0x00020000
619 #define	NFSV4OPEN_WRITEDELEGATE		0x00040000
620 #define	NFSV4OPEN_WDRESOURCE		0x00080000
621 #define	NFSV4OPEN_WDCONTENTION		0x00100000
622 #define	NFSV4OPEN_WDNOTWANTED		0x00200000
623 #define	NFSV4OPEN_WDSUPPFTYPE		0x00400000
624 
625 /*
626  * NFS V4 File Handle types
627  */
628 #define	NFSV4FHTYPE_PERSISTENT		0x0
629 #define	NFSV4FHTYPE_NOEXPIREWITHOPEN	0x1
630 #define	NFSV4FHTYPE_VOLATILEANY		0x2
631 #define	NFSV4FHTYPE_VOLATILEMIGRATE	0x4
632 #define	NFSV4FHTYPE_VOLATILERENAME	0x8
633 
634 /*
635  * Maximum size of V4 opaque strings.
636  */
637 #define	NFSV4_OPAQUELIMIT	1024
638 
639 /*
640  * These are the same for V3 and V4.
641  */
642 #define	NFSACCESS_READ			0x01
643 #define	NFSACCESS_LOOKUP		0x02
644 #define	NFSACCESS_MODIFY		0x04
645 #define	NFSACCESS_EXTEND		0x08
646 #define	NFSACCESS_DELETE		0x10
647 #define	NFSACCESS_EXECUTE		0x20
648 
649 /* Additional Extended Attribute access bits RFC-8276. */
650 #define	NFSACCESS_XAREAD		0x40
651 #define	NFSACCESS_XAWRITE		0x80
652 #define	NFSACCESS_XALIST		0x100
653 
654 #define	NFSWRITE_UNSTABLE		0
655 #define	NFSWRITE_DATASYNC		1
656 #define	NFSWRITE_FILESYNC		2
657 
658 #define	NFSCREATE_UNCHECKED		0
659 #define	NFSCREATE_GUARDED		1
660 #define	NFSCREATE_EXCLUSIVE		2
661 #define	NFSCREATE_EXCLUSIVE41		3
662 
663 #define	NFSV3FSINFO_LINK		0x01
664 #define	NFSV3FSINFO_SYMLINK		0x02
665 #define	NFSV3FSINFO_HOMOGENEOUS		0x08
666 #define	NFSV3FSINFO_CANSETTIME		0x10
667 
668 /* Flags for Exchange ID */
669 #define	NFSV4EXCH_SUPPMOVEDREFER	0x00000001
670 #define	NFSV4EXCH_SUPPMOVEDMIGR	0x00000002
671 #define	NFSV4EXCH_BINDPRINCSTATEID	0x00000100
672 #define	NFSV4EXCH_USENONPNFS		0x00010000
673 #define	NFSV4EXCH_USEPNFSMDS		0x00020000
674 #define	NFSV4EXCH_USEPNFSDS		0x00040000
675 #define	NFSV4EXCH_MASKPNFS		0x00070000
676 #define	NFSV4EXCH_UPDCONFIRMEDRECA	0x40000000
677 #define	NFSV4EXCH_CONFIRMEDR		0x80000000
678 
679 /* State Protects */
680 #define	NFSV4EXCH_SP4NONE		0
681 #define	NFSV4EXCH_SP4MACHCRED		1
682 #define	NFSV4EXCH_SP4SSV		2
683 
684 /* Flags for Create Session */
685 #define	NFSV4CRSESS_PERSIST		0x00000001
686 #define	NFSV4CRSESS_CONNBACKCHAN	0x00000002
687 #define	NFSV4CRSESS_CONNRDMA		0x00000004
688 
689 /* Flags for Sequence */
690 #define	NFSV4SEQ_CBPATHDOWN		0x00000001
691 #define	NFSV4SEQ_CBGSSCONTEXPIRING	0x00000002
692 #define	NFSV4SEQ_CBGSSCONTEXPIRED	0x00000004
693 #define	NFSV4SEQ_EXPIREDALLSTATEREVOKED	0x00000008
694 #define	NFSV4SEQ_EXPIREDSOMESTATEREVOKED 0x00000010
695 #define	NFSV4SEQ_ADMINSTATEREVOKED	0x00000020
696 #define	NFSV4SEQ_RECALLABLESTATEREVOKED	0x00000040
697 #define	NFSV4SEQ_LEASEMOVED		0x00000080
698 #define	NFSV4SEQ_RESTARTRECLAIMNEEDED	0x00000100
699 #define	NFSV4SEQ_CBPATHDOWNSESSION	0x00000200
700 #define	NFSV4SEQ_BACKCHANNELFAULT	0x00000400
701 #define	NFSV4SEQ_DEVIDCHANGED		0x00000800
702 #define	NFSV4SEQ_DEVIDDELETED		0x00001000
703 
704 /* Flags for Layout. */
705 #define	NFSLAYOUTRETURN_FILE		1
706 #define	NFSLAYOUTRETURN_FSID		2
707 #define	NFSLAYOUTRETURN_ALL		3
708 
709 #define	NFSLAYOUT_NFSV4_1_FILES		0x1
710 #define	NFSLAYOUT_OSD2_OBJECTS		0x2
711 #define	NFSLAYOUT_BLOCK_VOLUME		0x3
712 #define	NFSLAYOUT_FLEXFILE		0x4
713 
714 #define	NFSLAYOUTIOMODE_READ		1
715 #define	NFSLAYOUTIOMODE_RW		2
716 #define	NFSLAYOUTIOMODE_ANY		3
717 
718 /* Flags for Get Device Info. */
719 #define	NFSDEVICEIDNOTIFY_CHANGEBIT	0x1
720 #define	NFSDEVICEIDNOTIFY_DELETEBIT	0x2
721 
722 /* Flags for File Layout. */
723 #define	NFSFLAYUTIL_DENSE		0x1
724 #define	NFSFLAYUTIL_COMMIT_THRU_MDS	0x2
725 #define	NFSFLAYUTIL_IOADVISE_THRU_MDS	0x4
726 #define	NFSFLAYUTIL_STRIPE_MASK		0xffffffc0
727 
728 /* Flags for Flex File Layout. */
729 #define	NFSFLEXFLAG_NO_LAYOUTCOMMIT	0x00000001
730 #define	NFSFLEXFLAG_NOIO_MDS		0x00000002
731 #define	NFSFLEXFLAG_NO_READIO		0x00000004
732 #define	NFSFLEXFLAG_WRITE_ONEMIRROR	0x00000008
733 
734 /* Enum values for Bind Connection to Session. */
735 #define	NFSCDFC4_FORE		0x1
736 #define	NFSCDFC4_BACK		0x2
737 #define	NFSCDFC4_FORE_OR_BOTH	0x3
738 #define	NFSCDFC4_BACK_OR_BOTH	0x7
739 #define	NFSCDFS4_FORE		0x1
740 #define	NFSCDFS4_BACK		0x2
741 #define	NFSCDFS4_BOTH		0x3
742 
743 /* Enum values for Secinfo_no_name. */
744 #define	NFSSECINFONONAME_CURFH	0
745 #define	NFSSECINFONONAME_PARENT	1
746 
747 #if defined(_KERNEL) || defined(KERNEL)
748 /* Conversion macros */
749 #define	vtonfsv2_mode(t,m) 						\
750 		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : 	\
751 				MAKEIMODE((t), (m)))
752 #define	vtonfsv34_mode(m)	txdr_unsigned((m) & 07777)
753 #define	nfstov_mode(a)		(fxdr_unsigned(u_int16_t, (a))&07777)
754 #define	vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
755 		txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
756 #define	vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
757 		txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
758 #define	nfsv2tov_type(a)	newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
759 #define	nfsv34tov_type(a)	nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
760 #define	vtonfs_dtype(a)	(((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
761 			 IFTODT(VTTOIF(a)))
762 
763 /* File types */
764 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
765 	NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
766 
767 /* Structs for common parts of the rpc's */
768 
769 struct nfsv2_time {
770 	u_int32_t nfsv2_sec;
771 	u_int32_t nfsv2_usec;
772 };
773 typedef struct nfsv2_time	nfstime2;
774 
775 struct nfsv3_time {
776 	u_int32_t nfsv3_sec;
777 	u_int32_t nfsv3_nsec;
778 };
779 typedef struct nfsv3_time	nfstime3;
780 
781 struct nfsv4_time {
782 	u_int32_t nfsv4_highsec;
783 	u_int32_t nfsv4_sec;
784 	u_int32_t nfsv4_nsec;
785 };
786 typedef struct nfsv4_time	nfstime4;
787 
788 /*
789  * Quads are defined as arrays of 2 longs to ensure dense packing for the
790  * protocol and to facilitate xdr conversion.
791  */
792 struct nfs_uquad {
793 	u_int32_t nfsuquad[2];
794 };
795 typedef	struct nfs_uquad	nfsuint64;
796 
797 /*
798  * Used to convert between two u_longs and a u_quad_t.
799  */
800 union nfs_quadconvert {
801 	u_int32_t lval[2];
802 	u_quad_t  qval;
803 };
804 typedef union nfs_quadconvert	nfsquad_t;
805 
806 /*
807  * NFS Version 3 special file number.
808  */
809 struct nfsv3_spec {
810 	u_int32_t specdata1;
811 	u_int32_t specdata2;
812 };
813 typedef	struct nfsv3_spec	nfsv3spec;
814 
815 /*
816  * File attributes and setable attributes. These structures cover both
817  * NFS version 2 and the version 3 protocol. Note that the union is only
818  * used so that one pointer can refer to both variants. These structures
819  * go out on the wire and must be densely packed, so no quad data types
820  * are used. (all fields are longs or u_longs or structures of same)
821  * NB: You can't do sizeof(struct nfs_fattr), you must use the
822  *     NFSX_FATTR(v3) macro.
823  */
824 struct nfs_fattr {
825 	u_int32_t fa_type;
826 	u_int32_t fa_mode;
827 	u_int32_t fa_nlink;
828 	u_int32_t fa_uid;
829 	u_int32_t fa_gid;
830 	union {
831 		struct {
832 			u_int32_t nfsv2fa_size;
833 			u_int32_t nfsv2fa_blocksize;
834 			u_int32_t nfsv2fa_rdev;
835 			u_int32_t nfsv2fa_blocks;
836 			u_int32_t nfsv2fa_fsid;
837 			u_int32_t nfsv2fa_fileid;
838 			nfstime2  nfsv2fa_atime;
839 			nfstime2  nfsv2fa_mtime;
840 			nfstime2  nfsv2fa_ctime;
841 		} fa_nfsv2;
842 		struct {
843 			nfsuint64 nfsv3fa_size;
844 			nfsuint64 nfsv3fa_used;
845 			nfsv3spec nfsv3fa_rdev;
846 			nfsuint64 nfsv3fa_fsid;
847 			nfsuint64 nfsv3fa_fileid;
848 			nfstime3  nfsv3fa_atime;
849 			nfstime3  nfsv3fa_mtime;
850 			nfstime3  nfsv3fa_ctime;
851 		} fa_nfsv3;
852 	} fa_un;
853 };
854 
855 /* and some ugly defines for accessing union components */
856 #define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
857 #define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
858 #define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
859 #define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
860 #define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
861 #define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
862 #define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
863 #define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
864 #define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
865 #define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
866 #define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
867 #define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
868 #define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
869 #define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
870 #define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
871 #define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
872 #define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime
873 
874 #define	NFS_LINK_MAX	UINT32_MAX
875 
876 struct nfsv2_sattr {
877 	u_int32_t sa_mode;
878 	u_int32_t sa_uid;
879 	u_int32_t sa_gid;
880 	u_int32_t sa_size;
881 	nfstime2  sa_atime;
882 	nfstime2  sa_mtime;
883 };
884 
885 /*
886  * NFS Version 3 sattr structure for the new node creation case.
887  */
888 struct nfsv3_sattr {
889 	u_int32_t sa_modetrue;
890 	u_int32_t sa_mode;
891 	u_int32_t sa_uidfalse;
892 	u_int32_t sa_gidfalse;
893 	u_int32_t sa_sizefalse;
894 	u_int32_t sa_atimetype;
895 	nfstime3  sa_atime;
896 	u_int32_t sa_mtimetype;
897 	nfstime3  sa_mtime;
898 };
899 
900 /*
901  * IO Advise hint bits for NFSv4.2.
902  * Since these go on the wire as a bitmap, the NFSATTRBIT macros are
903  * used to manipulate these bits.
904  */
905 #define	NFSV4IOHINT_NORMAL		0
906 #define	NFSV4IOHINT_SEQUENTIAL		1
907 #define	NFSV4IOHINT_SEQUENTIALBACK	2
908 #define	NFSV4IOHINT_RANDOM		3
909 #define	NFSV4IOHINT_WILLNEED		4
910 #define	NFSV4IOHINT_WILLNEEDOPTUN	5
911 #define	NFSV4IOHINT_DONTNEED		6
912 #define	NFSV4IOHINT_NOREUSE		7
913 #define	NFSV4IOHINT_READ		8
914 #define	NFSV4IOHINT_WRITE		9
915 #define	NFSV4IOHINT_INITPROXIMITY	10
916 
917 #endif	/* _KERNEL */
918 
919 /*
920  * The attribute bits used for V4.
921  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
922  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
923  *	appropriate 32bit word.
924  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
925  */
926 #define	NFSATTRBIT_SUPPORTEDATTRS	0
927 #define	NFSATTRBIT_TYPE			1
928 #define	NFSATTRBIT_FHEXPIRETYPE		2
929 #define	NFSATTRBIT_CHANGE		3
930 #define	NFSATTRBIT_SIZE			4
931 #define	NFSATTRBIT_LINKSUPPORT		5
932 #define	NFSATTRBIT_SYMLINKSUPPORT	6
933 #define	NFSATTRBIT_NAMEDATTR		7
934 #define	NFSATTRBIT_FSID			8
935 #define	NFSATTRBIT_UNIQUEHANDLES	9
936 #define	NFSATTRBIT_LEASETIME		10
937 #define	NFSATTRBIT_RDATTRERROR		11
938 #define	NFSATTRBIT_ACL			12
939 #define	NFSATTRBIT_ACLSUPPORT		13
940 #define	NFSATTRBIT_ARCHIVE		14
941 #define	NFSATTRBIT_CANSETTIME		15
942 #define	NFSATTRBIT_CASEINSENSITIVE	16
943 #define	NFSATTRBIT_CASEPRESERVING	17
944 #define	NFSATTRBIT_CHOWNRESTRICTED	18
945 #define	NFSATTRBIT_FILEHANDLE		19
946 #define	NFSATTRBIT_FILEID		20
947 #define	NFSATTRBIT_FILESAVAIL		21
948 #define	NFSATTRBIT_FILESFREE		22
949 #define	NFSATTRBIT_FILESTOTAL		23
950 #define	NFSATTRBIT_FSLOCATIONS		24
951 #define	NFSATTRBIT_HIDDEN		25
952 #define	NFSATTRBIT_HOMOGENEOUS		26
953 #define	NFSATTRBIT_MAXFILESIZE		27
954 #define	NFSATTRBIT_MAXLINK		28
955 #define	NFSATTRBIT_MAXNAME		29
956 #define	NFSATTRBIT_MAXREAD		30
957 #define	NFSATTRBIT_MAXWRITE		31
958 #define	NFSATTRBIT_MIMETYPE		32
959 #define	NFSATTRBIT_MODE			33
960 #define	NFSATTRBIT_NOTRUNC		34
961 #define	NFSATTRBIT_NUMLINKS		35
962 #define	NFSATTRBIT_OWNER		36
963 #define	NFSATTRBIT_OWNERGROUP		37
964 #define	NFSATTRBIT_QUOTAHARD		38
965 #define	NFSATTRBIT_QUOTASOFT		39
966 #define	NFSATTRBIT_QUOTAUSED		40
967 #define	NFSATTRBIT_RAWDEV		41
968 #define	NFSATTRBIT_SPACEAVAIL		42
969 #define	NFSATTRBIT_SPACEFREE		43
970 #define	NFSATTRBIT_SPACETOTAL		44
971 #define	NFSATTRBIT_SPACEUSED		45
972 #define	NFSATTRBIT_SYSTEM		46
973 #define	NFSATTRBIT_TIMEACCESS		47
974 #define	NFSATTRBIT_TIMEACCESSSET	48
975 #define	NFSATTRBIT_TIMEBACKUP		49
976 #define	NFSATTRBIT_TIMECREATE		50
977 #define	NFSATTRBIT_TIMEDELTA		51
978 #define	NFSATTRBIT_TIMEMETADATA		52
979 #define	NFSATTRBIT_TIMEMODIFY		53
980 #define	NFSATTRBIT_TIMEMODIFYSET	54
981 #define	NFSATTRBIT_MOUNTEDONFILEID	55
982 #define	NFSATTRBIT_DIRNOTIFDELAY	56
983 #define	NFSATTRBIT_DIRENTNOTIFDELAY	57
984 #define	NFSATTRBIT_DACL			58
985 #define	NFSATTRBIT_SACL			59
986 #define	NFSATTRBIT_CHANGEPOLICY		60
987 #define	NFSATTRBIT_FSSTATUS		61
988 #define	NFSATTRBIT_FSLAYOUTTYPE		62
989 #define	NFSATTRBIT_LAYOUTHINT		63
990 #define	NFSATTRBIT_LAYOUTTYPE		64
991 #define	NFSATTRBIT_LAYOUTBLKSIZE	65
992 #define	NFSATTRBIT_LAYOUTALIGNMENT	66
993 #define	NFSATTRBIT_FSLOCATIONSINFO	67
994 #define	NFSATTRBIT_MDSTHRESHOLD		68
995 #define	NFSATTRBIT_RETENTIONGET		69
996 #define	NFSATTRBIT_RETENTIONSET		70
997 #define	NFSATTRBIT_RETENTEVTGET		71
998 #define	NFSATTRBIT_RETENTEVTSET		72
999 #define	NFSATTRBIT_RETENTIONHOLD	73
1000 #define	NFSATTRBIT_MODESETMASKED	74
1001 #define	NFSATTRBIT_SUPPATTREXCLCREAT	75
1002 #define	NFSATTRBIT_FSCHARSETCAP		76
1003 #define	NFSATTRBIT_CLONEBLKSIZE		77
1004 #define	NFSATTRBIT_SPACEFREED		78
1005 #define	NFSATTRBIT_CHANGEATTRTYPE	79
1006 #define	NFSATTRBIT_SECLABEL		80
1007 /* Not sure what attribute bit #81 is? */
1008 #define	NFSATTRBIT_XATTRSUPPORT		82
1009 
1010 #define	NFSATTRBM_SUPPORTEDATTRS	0x00000001
1011 #define	NFSATTRBM_TYPE			0x00000002
1012 #define	NFSATTRBM_FHEXPIRETYPE		0x00000004
1013 #define	NFSATTRBM_CHANGE		0x00000008
1014 #define	NFSATTRBM_SIZE			0x00000010
1015 #define	NFSATTRBM_LINKSUPPORT		0x00000020
1016 #define	NFSATTRBM_SYMLINKSUPPORT	0x00000040
1017 #define	NFSATTRBM_NAMEDATTR		0x00000080
1018 #define	NFSATTRBM_FSID			0x00000100
1019 #define	NFSATTRBM_UNIQUEHANDLES		0x00000200
1020 #define	NFSATTRBM_LEASETIME		0x00000400
1021 #define	NFSATTRBM_RDATTRERROR		0x00000800
1022 #define	NFSATTRBM_ACL			0x00001000
1023 #define	NFSATTRBM_ACLSUPPORT		0x00002000
1024 #define	NFSATTRBM_ARCHIVE		0x00004000
1025 #define	NFSATTRBM_CANSETTIME		0x00008000
1026 #define	NFSATTRBM_CASEINSENSITIVE	0x00010000
1027 #define	NFSATTRBM_CASEPRESERVING	0x00020000
1028 #define	NFSATTRBM_CHOWNRESTRICTED	0x00040000
1029 #define	NFSATTRBM_FILEHANDLE		0x00080000
1030 #define	NFSATTRBM_FILEID		0x00100000
1031 #define	NFSATTRBM_FILESAVAIL		0x00200000
1032 #define	NFSATTRBM_FILESFREE		0x00400000
1033 #define	NFSATTRBM_FILESTOTAL		0x00800000
1034 #define	NFSATTRBM_FSLOCATIONS		0x01000000
1035 #define	NFSATTRBM_HIDDEN		0x02000000
1036 #define	NFSATTRBM_HOMOGENEOUS		0x04000000
1037 #define	NFSATTRBM_MAXFILESIZE		0x08000000
1038 #define	NFSATTRBM_MAXLINK		0x10000000
1039 #define	NFSATTRBM_MAXNAME		0x20000000
1040 #define	NFSATTRBM_MAXREAD		0x40000000
1041 #define	NFSATTRBM_MAXWRITE		0x80000000
1042 #define	NFSATTRBM_MIMETYPE		0x00000001
1043 #define	NFSATTRBM_MODE			0x00000002
1044 #define	NFSATTRBM_NOTRUNC		0x00000004
1045 #define	NFSATTRBM_NUMLINKS		0x00000008
1046 #define	NFSATTRBM_OWNER			0x00000010
1047 #define	NFSATTRBM_OWNERGROUP		0x00000020
1048 #define	NFSATTRBM_QUOTAHARD		0x00000040
1049 #define	NFSATTRBM_QUOTASOFT		0x00000080
1050 #define	NFSATTRBM_QUOTAUSED		0x00000100
1051 #define	NFSATTRBM_RAWDEV		0x00000200
1052 #define	NFSATTRBM_SPACEAVAIL		0x00000400
1053 #define	NFSATTRBM_SPACEFREE		0x00000800
1054 #define	NFSATTRBM_SPACETOTAL		0x00001000
1055 #define	NFSATTRBM_SPACEUSED		0x00002000
1056 #define	NFSATTRBM_SYSTEM		0x00004000
1057 #define	NFSATTRBM_TIMEACCESS		0x00008000
1058 #define	NFSATTRBM_TIMEACCESSSET		0x00010000
1059 #define	NFSATTRBM_TIMEBACKUP		0x00020000
1060 #define	NFSATTRBM_TIMECREATE		0x00040000
1061 #define	NFSATTRBM_TIMEDELTA		0x00080000
1062 #define	NFSATTRBM_TIMEMETADATA		0x00100000
1063 #define	NFSATTRBM_TIMEMODIFY		0x00200000
1064 #define	NFSATTRBM_TIMEMODIFYSET		0x00400000
1065 #define	NFSATTRBM_MOUNTEDONFILEID	0x00800000
1066 #define	NFSATTRBM_DIRNOTIFDELAY		0x01000000
1067 #define	NFSATTRBM_DIRENTNOTIFDELAY	0x02000000
1068 #define	NFSATTRBM_DACL			0x04000000
1069 #define	NFSATTRBM_SACL			0x08000000
1070 #define	NFSATTRBM_CHANGEPOLICY		0x10000000
1071 #define	NFSATTRBM_FSSTATUS		0x20000000
1072 #define	NFSATTRBM_FSLAYOUTTYPE		0x40000000
1073 #define	NFSATTRBM_LAYOUTHINT		0x80000000
1074 #define	NFSATTRBM_LAYOUTTYPE		0x00000001
1075 #define	NFSATTRBM_LAYOUTBLKSIZE		0x00000002
1076 #define	NFSATTRBM_LAYOUTALIGNMENT	0x00000004
1077 #define	NFSATTRBM_FSLOCATIONSINFO	0x00000008
1078 #define	NFSATTRBM_MDSTHRESHOLD		0x00000010
1079 #define	NFSATTRBM_RETENTIONGET		0x00000020
1080 #define	NFSATTRBM_RETENTIONSET		0x00000040
1081 #define	NFSATTRBM_RETENTEVTGET		0x00000080
1082 #define	NFSATTRBM_RETENTEVTSET		0x00000100
1083 #define	NFSATTRBM_RETENTIONHOLD		0x00000200
1084 #define	NFSATTRBM_MODESETMASKED		0x00000400
1085 #define	NFSATTRBM_SUPPATTREXCLCREAT	0x00000800
1086 #define	NFSATTRBM_FSCHARSETCAP		0x00001000
1087 #define	NFSATTRBM_CLONEBLKSIZE		0x00002000
1088 #define	NFSATTRBM_SPACEFREED		0x00004000
1089 #define	NFSATTRBM_CHANGEATTRTYPE	0x00008000
1090 #define	NFSATTRBM_SECLABEL		0x00010000
1091 /* Not sure what attribute bit#81/0x00020000 is? */
1092 #define	NFSATTRBM_XATTRSUPPORT		0x00040000
1093 
1094 #define	NFSATTRBIT_MAX			83
1095 
1096 /*
1097  * Sets of attributes that are supported, by words in the bitmap.
1098  */
1099 /*
1100  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
1101  *			  SUPP1 - bits 32<->63
1102  *			  SUPP2 - bits 64<->95
1103  */
1104 #define	NFSATTRBIT_SUPP0						\
1105  	(NFSATTRBM_SUPPORTEDATTRS |					\
1106  	NFSATTRBM_TYPE |						\
1107  	NFSATTRBM_FHEXPIRETYPE |					\
1108  	NFSATTRBM_CHANGE |						\
1109  	NFSATTRBM_SIZE |						\
1110  	NFSATTRBM_LINKSUPPORT |						\
1111  	NFSATTRBM_SYMLINKSUPPORT |					\
1112  	NFSATTRBM_NAMEDATTR |						\
1113  	NFSATTRBM_FSID |						\
1114  	NFSATTRBM_UNIQUEHANDLES |					\
1115  	NFSATTRBM_LEASETIME |						\
1116  	NFSATTRBM_RDATTRERROR |						\
1117  	NFSATTRBM_ACL |							\
1118  	NFSATTRBM_ACLSUPPORT |						\
1119  	NFSATTRBM_CANSETTIME |						\
1120  	NFSATTRBM_CASEINSENSITIVE |					\
1121  	NFSATTRBM_CASEPRESERVING |					\
1122  	NFSATTRBM_CHOWNRESTRICTED |					\
1123  	NFSATTRBM_FILEHANDLE |						\
1124  	NFSATTRBM_FILEID |						\
1125  	NFSATTRBM_FILESAVAIL |						\
1126  	NFSATTRBM_FILESFREE |						\
1127  	NFSATTRBM_FILESTOTAL |						\
1128 	NFSATTRBM_FSLOCATIONS |						\
1129  	NFSATTRBM_HOMOGENEOUS |						\
1130  	NFSATTRBM_MAXFILESIZE |						\
1131  	NFSATTRBM_MAXLINK |						\
1132  	NFSATTRBM_MAXNAME |						\
1133  	NFSATTRBM_MAXREAD |						\
1134  	NFSATTRBM_MAXWRITE)
1135 
1136 /*
1137  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
1138  */
1139 #define	NFSATTRBIT_S1							\
1140  	(NFSATTRBM_MODE |						\
1141  	NFSATTRBM_NOTRUNC |						\
1142  	NFSATTRBM_NUMLINKS |						\
1143  	NFSATTRBM_OWNER |						\
1144  	NFSATTRBM_OWNERGROUP |						\
1145  	NFSATTRBM_RAWDEV |						\
1146  	NFSATTRBM_SPACEAVAIL |						\
1147  	NFSATTRBM_SPACEFREE |						\
1148  	NFSATTRBM_SPACETOTAL |						\
1149  	NFSATTRBM_SPACEUSED |						\
1150  	NFSATTRBM_TIMEACCESS |						\
1151  	NFSATTRBM_TIMECREATE |						\
1152  	NFSATTRBM_TIMEDELTA |						\
1153  	NFSATTRBM_TIMEMETADATA |					\
1154  	NFSATTRBM_TIMEMODIFY |						\
1155  	NFSATTRBM_MOUNTEDONFILEID |					\
1156 	NFSATTRBM_QUOTAHARD |                        			\
1157     	NFSATTRBM_QUOTASOFT |                        			\
1158     	NFSATTRBM_QUOTAUSED |						\
1159 	NFSATTRBM_FSLAYOUTTYPE)
1160 
1161 #ifdef QUOTA
1162 /*
1163  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
1164  * NFSATTRBIT_QUOTAUSED.
1165  */
1166 #define	NFSATTRBIT_SUPP1	(NFSATTRBIT_S1 |			\
1167 				NFSATTRBM_QUOTAHARD |			\
1168 				NFSATTRBM_QUOTASOFT |			\
1169 				NFSATTRBM_QUOTAUSED)
1170 #else
1171 #define	NFSATTRBIT_SUPP1	NFSATTRBIT_S1
1172 #endif
1173 
1174 #define	NFSATTRBIT_SUPP2						\
1175 	(NFSATTRBM_LAYOUTTYPE |						\
1176 	NFSATTRBM_LAYOUTBLKSIZE |					\
1177 	NFSATTRBM_LAYOUTALIGNMENT |					\
1178 	NFSATTRBM_SUPPATTREXCLCREAT |					\
1179 	NFSATTRBM_XATTRSUPPORT)
1180 
1181 /*
1182  * These are the set only attributes.
1183  */
1184 #define	NFSATTRBIT_SUPPSETONLY1	 (NFSATTRBM_TIMEACCESSSET |		\
1185 				 NFSATTRBM_TIMEMODIFYSET)
1186 #define	NFSATTRBIT_SUPPSETONLY2	(NFSATTRBM_MODESETMASKED)
1187 
1188 /*
1189  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
1190  *			SETABLE1 - bits 32<->63
1191  *			SETABLE2 - bits 64<->95
1192  */
1193 #define	NFSATTRBIT_SETABLE0						\
1194 	(NFSATTRBM_SIZE |						\
1195 	NFSATTRBM_ACL)
1196 #define	NFSATTRBIT_SETABLE1						\
1197  	(NFSATTRBM_MODE |						\
1198  	NFSATTRBM_OWNER |						\
1199  	NFSATTRBM_OWNERGROUP |						\
1200  	NFSATTRBM_TIMECREATE |					\
1201  	NFSATTRBM_TIMEACCESSSET |					\
1202  	NFSATTRBM_TIMEMODIFYSET)
1203 #define	NFSATTRBIT_SETABLE2						\
1204 	(NFSATTRBM_MODESETMASKED)
1205 
1206 /*
1207  * NFSATTRBIT_NFSV41 - Attributes only supported by NFSv4.1.
1208  */
1209 #define	NFSATTRBIT_NFSV41_1						\
1210 	(NFSATTRBM_FSLAYOUTTYPE)
1211 #define	NFSATTRBIT_NFSV41_2						\
1212 	(NFSATTRBM_LAYOUTTYPE |						\
1213 	NFSATTRBM_LAYOUTBLKSIZE |					\
1214 	NFSATTRBM_LAYOUTALIGNMENT |					\
1215 	NFSATTRBM_MODESETMASKED |					\
1216 	NFSATTRBM_SUPPATTREXCLCREAT)
1217 
1218 /*
1219  * NFSATTRBIT_NFSV42 - Attributes only supported by NFSv4.2.
1220  */
1221 #define	NFSATTRBIT_NFSV42_2	NFSATTRBM_XATTRSUPPORT
1222 
1223 /*
1224  * Set of attributes that the getattr vnode op needs.
1225  * OR of the following bits.
1226  * NFSATTRBIT_GETATTR0 - bits 0<->31
1227  */
1228 #define	NFSATTRBIT_GETATTR0						\
1229  	(NFSATTRBM_SUPPORTEDATTRS |					\
1230  	NFSATTRBM_TYPE |						\
1231  	NFSATTRBM_CHANGE |						\
1232  	NFSATTRBM_SIZE |						\
1233  	NFSATTRBM_FSID |						\
1234  	NFSATTRBM_FILEID |						\
1235  	NFSATTRBM_MAXREAD)
1236 
1237 /*
1238  * NFSATTRBIT_GETATTR1 - bits 32<->63
1239  */
1240 #define	NFSATTRBIT_GETATTR1						\
1241  	(NFSATTRBM_MODE |						\
1242  	NFSATTRBM_NUMLINKS |						\
1243  	NFSATTRBM_OWNER |						\
1244  	NFSATTRBM_OWNERGROUP |						\
1245  	NFSATTRBM_RAWDEV |						\
1246  	NFSATTRBM_SPACEUSED |						\
1247  	NFSATTRBM_TIMEACCESS |						\
1248 	NFSATTRBM_TIMECREATE |						\
1249  	NFSATTRBM_TIMEMETADATA |					\
1250  	NFSATTRBM_TIMEMODIFY)
1251 
1252 /*
1253  * NFSATTRBIT_GETATTR2 - bits 64<->95
1254  */
1255 #define	NFSATTRBIT_GETATTR2		0
1256 
1257 /*
1258  * Subset of the above that the Write RPC gets.
1259  * OR of the following bits.
1260  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
1261  */
1262 #define	NFSATTRBIT_WRITEGETATTR0					\
1263  	(NFSATTRBM_SUPPORTEDATTRS |					\
1264  	NFSATTRBM_TYPE |						\
1265  	NFSATTRBM_CHANGE |						\
1266  	NFSATTRBM_SIZE |						\
1267  	NFSATTRBM_FSID |						\
1268  	NFSATTRBM_FILEID |						\
1269  	NFSATTRBM_MAXREAD)
1270 
1271 /*
1272  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
1273  */
1274 #define	NFSATTRBIT_WRITEGETATTR1					\
1275  	(NFSATTRBM_MODE |						\
1276  	NFSATTRBM_NUMLINKS |						\
1277  	NFSATTRBM_RAWDEV |						\
1278  	NFSATTRBM_SPACEUSED |						\
1279  	NFSATTRBM_TIMEACCESS |						\
1280 	NFSATTRBM_TIMECREATE |						\
1281  	NFSATTRBM_TIMEMETADATA |					\
1282  	NFSATTRBM_TIMEMODIFY)
1283 
1284 /*
1285  * NFSATTRBIT_WRITEGETATTR2 - bits 64<->95
1286  */
1287 #define	NFSATTRBIT_WRITEGETATTR2	0
1288 
1289 /*
1290  * Set of attributes that the wccattr operation op needs.
1291  * OR of the following bits.
1292  * NFSATTRBIT_WCCATTR0 - bits 0<->31
1293  */
1294 #define	NFSATTRBIT_WCCATTR0	0
1295 
1296 /*
1297  * NFSATTRBIT_WCCATTR1 - bits 32<->63
1298  */
1299 #define	NFSATTRBIT_WCCATTR1						\
1300  	(NFSATTRBM_TIMEMODIFY)
1301 
1302 /*
1303  * NFSATTRBIT_WCCATTR2 - bits 64<->95
1304  */
1305 #define	NFSATTRBIT_WCCATTR2		0
1306 
1307 /*
1308  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
1309  */
1310 #define	NFSATTRBIT_CBGETATTR0	(NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
1311 
1312 /*
1313  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
1314  */
1315 #define	NFSATTRBIT_CBGETATTR1		0x0
1316 
1317 /*
1318  * NFSATTRBIT_CBGETATTR2 - bits 64<->95
1319  */
1320 #define	NFSATTRBIT_CBGETATTR2		0x0
1321 
1322 /*
1323  * Sets of attributes that require a VFS_STATFS() call to get the
1324  * values of.
1325  * NFSATTRBIT_STATFS0 - bits 0<->31
1326  */
1327 #define	NFSATTRBIT_STATFS0						\
1328 	(NFSATTRBM_LINKSUPPORT |					\
1329 	NFSATTRBM_SYMLINKSUPPORT |					\
1330 	NFSATTRBM_CANSETTIME |						\
1331  	NFSATTRBM_FILESAVAIL |						\
1332  	NFSATTRBM_FILESFREE |						\
1333  	NFSATTRBM_FILESTOTAL |						\
1334  	NFSATTRBM_HOMOGENEOUS |						\
1335  	NFSATTRBM_MAXFILESIZE |						\
1336 	NFSATTRBM_MAXNAME |						\
1337 	NFSATTRBM_MAXREAD |						\
1338 	NFSATTRBM_MAXWRITE)
1339 
1340 /*
1341  * NFSATTRBIT_STATFS1 - bits 32<->63
1342  */
1343 #define	NFSATTRBIT_STATFS1						\
1344  	(NFSATTRBM_QUOTAHARD |						\
1345  	NFSATTRBM_QUOTASOFT |						\
1346  	NFSATTRBM_QUOTAUSED |						\
1347  	NFSATTRBM_SPACEAVAIL |						\
1348  	NFSATTRBM_SPACEFREE |						\
1349  	NFSATTRBM_SPACETOTAL |						\
1350  	NFSATTRBM_SPACEUSED |						\
1351 	NFSATTRBM_TIMEDELTA)
1352 
1353 /*
1354  * NFSATTRBIT_STATFS2 - bits 64<->95
1355  */
1356 #define	NFSATTRBIT_STATFS2		0
1357 
1358 /*
1359  * These are the bits that are needed by the nfs_statfs() call.
1360  * (The regular getattr bits are or'd in so the vnode gets the correct
1361  *  type, etc.)
1362  * NFSGETATTRBIT_STATFS0 - bits 0<->31
1363  */
1364 #define	NFSGETATTRBIT_STATFS0	(NFSATTRBIT_GETATTR0 |			\
1365 				NFSATTRBM_LINKSUPPORT |			\
1366 				NFSATTRBM_SYMLINKSUPPORT |		\
1367 				NFSATTRBM_CANSETTIME |			\
1368 				NFSATTRBM_FILESFREE |			\
1369 				NFSATTRBM_FILESTOTAL |			\
1370 				NFSATTRBM_HOMOGENEOUS |			\
1371 				NFSATTRBM_MAXFILESIZE |			\
1372 				NFSATTRBM_MAXNAME |			\
1373 				NFSATTRBM_MAXREAD |			\
1374 				NFSATTRBM_MAXWRITE)
1375 
1376 /*
1377  * NFSGETATTRBIT_STATFS1 - bits 32<->63
1378  */
1379 #define	NFSGETATTRBIT_STATFS1	(NFSATTRBIT_GETATTR1 |			\
1380 				NFSATTRBM_SPACEAVAIL |			\
1381 				NFSATTRBM_SPACEFREE |			\
1382 				NFSATTRBM_SPACETOTAL |			\
1383 				NFSATTRBM_TIMEDELTA)
1384 
1385 /*
1386  * NFSGETATTRBIT_STATFS2 - bits 64<->95
1387  */
1388 #define	NFSGETATTRBIT_STATFS2		0
1389 
1390 /*
1391  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
1392  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
1393  */
1394 #define	NFSGETATTRBIT_PATHCONF0	(NFSATTRBIT_GETATTR0 |			\
1395 			 	NFSATTRBM_CASEINSENSITIVE |		\
1396 			 	NFSATTRBM_CASEPRESERVING |		\
1397 			 	NFSATTRBM_CHOWNRESTRICTED |		\
1398 			 	NFSATTRBM_MAXLINK |			\
1399 			 	NFSATTRBM_MAXNAME)
1400 
1401 /*
1402  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
1403  */
1404 #define	NFSGETATTRBIT_PATHCONF1	(NFSATTRBIT_GETATTR1 |			\
1405 				NFSATTRBM_NOTRUNC)
1406 
1407 /*
1408  * NFSGETATTRBIT_PATHCONF2 - bits 64<->95
1409  */
1410 #define	NFSGETATTRBIT_PATHCONF2		0
1411 
1412 /*
1413  * Sets of attributes required by readdir and readdirplus.
1414  * NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
1415  *				 NFSATTRBIT_RDATTRERROR)
1416  */
1417 #define	NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
1418 				NFSATTRBM_RDATTRERROR)
1419 #define	NFSATTRBIT_READDIRPLUS1	NFSATTRBIT_GETATTR1
1420 #define	NFSATTRBIT_READDIRPLUS2		0
1421 
1422 /*
1423  * Set of attributes supported by Referral vnodes.
1424  */
1425 #define	NFSATTRBIT_REFERRAL0	(NFSATTRBM_TYPE | NFSATTRBM_FSID |	\
1426 	NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
1427 #define	NFSATTRBIT_REFERRAL1	NFSATTRBM_MOUNTEDONFILEID
1428 #define	NFSATTRBIT_REFERRAL2		0
1429 
1430 /*
1431  * Structure for data handled by the statfs rpc. Since some fields are
1432  * u_int64_t, this cannot be used for copying data on/off the wire, due
1433  * to alignment concerns.
1434  */
1435 struct nfsstatfs {
1436 	union {
1437 		struct {
1438 			u_int32_t nfsv2sf_tsize;
1439 			u_int32_t nfsv2sf_bsize;
1440 			u_int32_t nfsv2sf_blocks;
1441 			u_int32_t nfsv2sf_bfree;
1442 			u_int32_t nfsv2sf_bavail;
1443 		} sf_nfsv2;
1444 		struct {
1445 			u_int64_t nfsv3sf_tbytes;
1446 			u_int64_t nfsv3sf_fbytes;
1447 			u_int64_t nfsv3sf_abytes;
1448 			u_int64_t nfsv3sf_tfiles;
1449 			u_int64_t nfsv3sf_ffiles;
1450 			u_int64_t nfsv3sf_afiles;
1451 			u_int32_t nfsv3sf_invarsec;
1452 		} sf_nfsv3;
1453 	} sf_un;
1454 };
1455 
1456 #define	sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
1457 #define	sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
1458 #define	sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
1459 #define	sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
1460 #define	sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
1461 #define	sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
1462 #define	sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
1463 #define	sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
1464 #define	sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
1465 #define	sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
1466 #define	sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
1467 #define	sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec
1468 
1469 /*
1470  * Now defined using u_int64_t for the 64 bit field(s).
1471  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
1472  */
1473 struct nfsfsinfo {
1474 	u_int32_t fs_rtmax;
1475 	u_int32_t fs_rtpref;
1476 	u_int32_t fs_rtmult;
1477 	u_int32_t fs_wtmax;
1478 	u_int32_t fs_wtpref;
1479 	u_int32_t fs_wtmult;
1480 	u_int32_t fs_dtpref;
1481 	u_int64_t fs_maxfilesize;
1482 	struct timespec fs_timedelta;
1483 	u_int32_t fs_properties;
1484 };
1485 
1486 /*
1487  * Bits for fs_properties
1488  */
1489 #define	NFSV3_FSFLINK		0x1
1490 #define	NFSV3_FSFSYMLINK	0x2
1491 #define	NFSV3_FSFHOMOGENEOUS	0x4
1492 #define	NFSV3_FSFCANSETTIME	0x8
1493 
1494 /*
1495  * Yikes, overload fs_rtmult as fs_maxname for V4.
1496  */
1497 #define	fs_maxname	fs_rtmult
1498 
1499 struct nfsv3_pathconf {
1500 	u_int32_t pc_linkmax;
1501 	u_int32_t pc_namemax;
1502 	u_int32_t pc_notrunc;
1503 	u_int32_t pc_chownrestricted;
1504 	u_int32_t pc_caseinsensitive;
1505 	u_int32_t pc_casepreserving;
1506 };
1507 
1508 /*
1509  * NFS V4 data structures.
1510  */
1511 struct nfsv4stateid {
1512 	u_int32_t	seqid;
1513 	u_int32_t	other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
1514 };
1515 typedef struct nfsv4stateid nfsv4stateid_t;
1516 
1517 /* Notify bits and notify bitmap size. */
1518 #define	NFSV4NOTIFY_CHANGE	1
1519 #define	NFSV4NOTIFY_DELETE	2
1520 #define	NFSV4_NOTIFYBITMAP	1	/* # of 32bit values needed for bits */
1521 
1522 /* Layoutreturn kinds. */
1523 #define	NFSV4LAYOUTRET_FILE	1
1524 #define	NFSV4LAYOUTRET_FSID	2
1525 #define	NFSV4LAYOUTRET_ALL	3
1526 
1527 /* Seek Contents. */
1528 #define	NFSV4CONTENT_DATA	0
1529 #define	NFSV4CONTENT_HOLE	1
1530 
1531 /* Options for Set Extended attribute (RFC-8276). */
1532 #define	NFSV4SXATTR_EITHER	0
1533 #define	NFSV4SXATTR_CREATE	1
1534 #define	NFSV4SXATTR_REPLACE	2
1535 
1536 #endif	/* _NFS_NFSPROTO_H_ */
1537