xref: /freebsd/sys/fs/nfs/nfsproto.h (revision 81966bce06dac45f42bda62b14dba0756ef28505)
1 /*-
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 
35 #ifndef _NFS_NFSPROTO_H_
36 #define	_NFS_NFSPROTO_H_
37 
38 /*
39  * nfs definitions as per the Version 2, 3 and 4 specs
40  */
41 
42 /*
43  * Constants as defined in the NFS Version 2, 3 and 4 specs.
44  * "NFS: Network File System Protocol Specification" RFC1094
45  * and in the "NFS: Network File System Version 3 Protocol
46  * Specification"
47  */
48 
49 #define	NFS_PORT	2049
50 #define	NFS_PROG	100003
51 #define	NFS_CALLBCKPROG	0x40000000	/* V4 only */
52 #define	NFS_VER2	2
53 #define	NFS_VER3	3
54 #define	NFS_VER4	4
55 #define	NFS_V2MAXDATA	8192
56 #define	NFS_MAXDGRAMDATA 16384
57 #define	NFS_MAXDATA	NFS_MAXBSIZE
58 #define	NFS_MAXPATHLEN	1024
59 #define	NFS_MAXNAMLEN	255
60 #define	NFS_MAXPKTHDR	404
61 #define	NFS_MAXPACKET	(NFS_MAXDATA + 2048)
62 #define	NFS_MINPACKET	20
63 #define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
64 #define	NFSV4_MINORVERSION	0	/* V4 Minor version */
65 #define	NFSV4_CBVERS		1	/* V4 CB Version */
66 #define	NFSV4_SMALLSTR	50		/* Strings small enough for stack */
67 
68 /* Stat numbers for rpc returns (version 2, 3 and 4) */
69 /*
70  * These numbers are hard-wired in the RFCs, so they can't be changed.
71  * The code currently assumes that the ones < 10000 are the same as
72  * sys/errno.h and that sys/errno.h will never go as high as 10000.
73  * If the value in sys/errno.h of any entry listed below is changed,
74  * the NFS code must be modified to do the mapping between them.
75  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
76  */
77 #define	NFSERR_OK		0
78 #define	NFSERR_PERM		1
79 #define	NFSERR_NOENT		2
80 #define	NFSERR_IO		5
81 #define	NFSERR_NXIO		6
82 #define	NFSERR_ACCES		13
83 #define	NFSERR_EXIST		17
84 #define	NFSERR_XDEV		18	/* Version 3, 4 only */
85 #define	NFSERR_NODEV		19
86 #define	NFSERR_NOTDIR		20
87 #define	NFSERR_ISDIR		21
88 #define	NFSERR_INVAL		22	/* Version 3, 4 only */
89 #define	NFSERR_FBIG		27
90 #define	NFSERR_NOSPC		28
91 #define	NFSERR_ROFS		30
92 #define	NFSERR_MLINK		31	/* Version 3, 4 only */
93 #define	NFSERR_NAMETOL		63
94 #define	NFSERR_NOTEMPTY		66
95 #define	NFSERR_DQUOT		69
96 #define	NFSERR_STALE		70
97 #define	NFSERR_REMOTE		71	/* Version 3 only */
98 #define	NFSERR_WFLUSH		99	/* Version 2 only */
99 #define	NFSERR_BADHANDLE	10001	/* These are Version 3, 4 only */
100 #define	NFSERR_NOT_SYNC		10002	/* Version 3 Only */
101 #define	NFSERR_BAD_COOKIE	10003
102 #define	NFSERR_NOTSUPP		10004
103 #define	NFSERR_TOOSMALL		10005
104 #define	NFSERR_SERVERFAULT	10006
105 #define	NFSERR_BADTYPE		10007
106 #define	NFSERR_DELAY		10008	/* Called NFSERR_JUKEBOX for V3 */
107 #define	NFSERR_SAME		10009	/* These are Version 4 only */
108 #define	NFSERR_DENIED		10010
109 #define	NFSERR_EXPIRED		10011
110 #define	NFSERR_LOCKED		10012
111 #define	NFSERR_GRACE		10013
112 #define	NFSERR_FHEXPIRED	10014
113 #define	NFSERR_SHAREDENIED	10015
114 #define	NFSERR_WRONGSEC		10016
115 #define	NFSERR_CLIDINUSE	10017
116 #define	NFSERR_RESOURCE		10018
117 #define	NFSERR_MOVED		10019
118 #define	NFSERR_NOFILEHANDLE	10020
119 #define	NFSERR_MINORVERMISMATCH	10021
120 #define	NFSERR_STALECLIENTID	10022
121 #define	NFSERR_STALESTATEID	10023
122 #define	NFSERR_OLDSTATEID	10024
123 #define	NFSERR_BADSTATEID	10025
124 #define	NFSERR_BADSEQID		10026
125 #define	NFSERR_NOTSAME		10027
126 #define	NFSERR_LOCKRANGE	10028
127 #define	NFSERR_SYMLINK		10029
128 #define	NFSERR_RESTOREFH	10030
129 #define	NFSERR_LEASEMOVED	10031
130 #define	NFSERR_ATTRNOTSUPP	10032
131 #define	NFSERR_NOGRACE		10033
132 #define	NFSERR_RECLAIMBAD	10034
133 #define	NFSERR_RECLAIMCONFLICT	10035
134 #define	NFSERR_BADXDR		10036
135 #define	NFSERR_LOCKSHELD	10037
136 #define	NFSERR_OPENMODE		10038
137 #define	NFSERR_BADOWNER		10039
138 #define	NFSERR_BADCHAR		10040
139 #define	NFSERR_BADNAME		10041
140 #define	NFSERR_BADRANGE		10042
141 #define	NFSERR_LOCKNOTSUPP	10043
142 #define	NFSERR_OPILLEGAL	10044
143 #define	NFSERR_DEADLOCK		10045
144 #define	NFSERR_FILEOPEN		10046
145 #define	NFSERR_ADMINREVOKED	10047
146 #define	NFSERR_CBPATHDOWN	10048
147 
148 #define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */
149 #define	NFSERR_DONTREPLY	30003	/* Don't process request */
150 #define	NFSERR_RETVOID		30004	/* Return void, not error */
151 #define	NFSERR_REPLYFROMCACHE	30005	/* Reply from recent request cache */
152 #define	NFSERR_STALEDONTRECOVER	30006	/* Don't initiate recovery */
153 
154 #define	NFSERR_RPCERR		0x40000000 /* Mark an RPC layer error */
155 #define	NFSERR_AUTHERR		0x80000000 /* Mark an authentication error */
156 
157 #define	NFSERR_RPCMISMATCH	(NFSERR_RPCERR | RPC_MISMATCH)
158 #define	NFSERR_PROGUNAVAIL	(NFSERR_RPCERR | RPC_PROGUNAVAIL)
159 #define	NFSERR_PROGMISMATCH	(NFSERR_RPCERR | RPC_PROGMISMATCH)
160 #define	NFSERR_PROGNOTV4	(NFSERR_RPCERR | 0xffff)
161 #define	NFSERR_PROCUNAVAIL	(NFSERR_RPCERR | RPC_PROCUNAVAIL)
162 #define	NFSERR_GARBAGE		(NFSERR_RPCERR | RPC_GARBAGE)
163 
164 /* Sizes in bytes of various nfs rpc components */
165 #define	NFSX_UNSIGNED	4
166 #define	NFSX_HYPER	(2 * NFSX_UNSIGNED)
167 
168 /* specific to NFS Version 2 */
169 #define	NFSX_V2FH	32
170 #define	NFSX_V2FATTR	68
171 #define	NFSX_V2SATTR	32
172 #define	NFSX_V2COOKIE	4
173 #define	NFSX_V2STATFS	20
174 
175 /* specific to NFS Version 3 */
176 #define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
177 #define	NFSX_V3FATTR		84
178 #define	NFSX_V3SATTR		60	/* max. all fields filled in */
179 #define	NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
180 #define	NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
181 #define	NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
182 #define	NFSX_V3STATFS		52
183 #define	NFSX_V3FSINFO		48
184 #define	NFSX_V3PATHCONF		24
185 
186 /* specific to NFS Version 4 */
187 #define	NFSX_V4FHMAX		128
188 #define	NFSX_V4FSID		(2 * NFSX_HYPER)
189 #define	NFSX_V4SPECDATA		(2 * NFSX_UNSIGNED)
190 #define	NFSX_V4TIME		(NFSX_HYPER + NFSX_UNSIGNED)
191 #define	NFSX_V4SETTIME		(NFSX_UNSIGNED + NFSX_V4TIME)
192 
193 /* sizes common to multiple NFS versions */
194 #define	NFSX_FHMAX		(NFSX_V4FHMAX)
195 #define	NFSX_MYFH		(sizeof (fhandle_t)) /* size this server uses */
196 #define	NFSX_VERF 		8
197 #define	NFSX_STATEIDOTHER	12
198 #define	NFSX_STATEID		(NFSX_UNSIGNED + NFSX_STATEIDOTHER)
199 #define	NFSX_GSSH		12
200 
201 /* variants for multiple versions */
202 #define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
203 
204 /* nfs rpc procedure numbers (before version mapping) */
205 #define	NFSPROC_NULL		0
206 #define	NFSPROC_GETATTR		1
207 #define	NFSPROC_SETATTR		2
208 #define	NFSPROC_LOOKUP		3
209 #define	NFSPROC_ACCESS		4
210 #define	NFSPROC_READLINK	5
211 #define	NFSPROC_READ		6
212 #define	NFSPROC_WRITE		7
213 #define	NFSPROC_CREATE		8
214 #define	NFSPROC_MKDIR		9
215 #define	NFSPROC_SYMLINK		10
216 #define	NFSPROC_MKNOD		11
217 #define	NFSPROC_REMOVE		12
218 #define	NFSPROC_RMDIR		13
219 #define	NFSPROC_RENAME		14
220 #define	NFSPROC_LINK		15
221 #define	NFSPROC_READDIR		16
222 #define	NFSPROC_READDIRPLUS	17
223 #define	NFSPROC_FSSTAT		18
224 #define	NFSPROC_FSINFO		19
225 #define	NFSPROC_PATHCONF	20
226 #define	NFSPROC_COMMIT		21
227 
228 /*
229  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
230  * numbers used by NFSv4.
231  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
232  * one greater than the last number.
233  */
234 #ifndef	NFS_V3NPROCS
235 #define	NFS_V3NPROCS		22
236 
237 #define	NFSPROC_LOOKUPP		22
238 #define	NFSPROC_SETCLIENTID	23
239 #define	NFSPROC_SETCLIENTIDCFRM	24
240 #define	NFSPROC_LOCK		25
241 #define	NFSPROC_LOCKU		26
242 #define	NFSPROC_OPEN		27
243 #define	NFSPROC_CLOSE		28
244 #define	NFSPROC_OPENCONFIRM	29
245 #define	NFSPROC_LOCKT		30
246 #define	NFSPROC_OPENDOWNGRADE	31
247 #define	NFSPROC_RENEW		32
248 #define	NFSPROC_PUTROOTFH	33
249 #define	NFSPROC_RELEASELCKOWN	34
250 #define	NFSPROC_DELEGRETURN	35
251 #define	NFSPROC_RETDELEGREMOVE	36
252 #define	NFSPROC_RETDELEGRENAME1	37
253 #define	NFSPROC_RETDELEGRENAME2	38
254 #define	NFSPROC_GETACL		39
255 #define	NFSPROC_SETACL		40
256 
257 /*
258  * Must be defined as one higher than the last Proc# above.
259  */
260 #define	NFSV4_NPROCS		41
261 #endif	/* NFS_V3NPROCS */
262 
263 /*
264  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
265  */
266 #ifndef	NFS_NPROCS
267 #define	NFS_NPROCS		NFSV4_NPROCS
268 #endif
269 
270 /*
271  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
272  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV4OP_NOPS, which
273  * is one greater than the highest Op#.
274  */
275 #define	NFSPROC_NOOP		NFSV4OP_NOPS
276 
277 /* Actual Version 2 procedure numbers */
278 #define	NFSV2PROC_NULL		0
279 #define	NFSV2PROC_GETATTR	1
280 #define	NFSV2PROC_SETATTR	2
281 #define	NFSV2PROC_NOOP		3
282 #define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
283 #define	NFSV2PROC_LOOKUP	4
284 #define	NFSV2PROC_READLINK	5
285 #define	NFSV2PROC_READ		6
286 #define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
287 #define	NFSV2PROC_WRITE		8
288 #define	NFSV2PROC_CREATE	9
289 #define	NFSV2PROC_REMOVE	10
290 #define	NFSV2PROC_RENAME	11
291 #define	NFSV2PROC_LINK		12
292 #define	NFSV2PROC_SYMLINK	13
293 #define	NFSV2PROC_MKDIR		14
294 #define	NFSV2PROC_RMDIR		15
295 #define	NFSV2PROC_READDIR	16
296 #define	NFSV2PROC_STATFS	17
297 
298 /*
299  * V4 Procedure numbers
300  */
301 #define	NFSV4PROC_COMPOUND	1
302 #define	NFSV4PROC_CBNULL	0
303 #define	NFSV4PROC_CBCOMPOUND	1
304 
305 /*
306  * Constants used by the Version 3 and 4 protocols for various RPCs
307  */
308 #define	NFSV3SATTRTIME_DONTCHANGE	0
309 #define	NFSV3SATTRTIME_TOSERVER		1
310 #define	NFSV3SATTRTIME_TOCLIENT		2
311 
312 #define	NFSV4SATTRTIME_TOSERVER		0
313 #define	NFSV4SATTRTIME_TOCLIENT		1
314 
315 #define	NFSV4LOCKT_READ			1
316 #define	NFSV4LOCKT_WRITE		2
317 #define	NFSV4LOCKT_READW		3
318 #define	NFSV4LOCKT_WRITEW		4
319 #define	NFSV4LOCKT_RELEASE		5
320 
321 #define	NFSV4OPEN_NOCREATE		0
322 #define	NFSV4OPEN_CREATE		1
323 #define	NFSV4OPEN_CLAIMNULL		0
324 #define	NFSV4OPEN_CLAIMPREVIOUS		1
325 #define	NFSV4OPEN_CLAIMDELEGATECUR	2
326 #define	NFSV4OPEN_CLAIMDELEGATEPREV	3
327 #define	NFSV4OPEN_DELEGATENONE		0
328 #define	NFSV4OPEN_DELEGATEREAD		1
329 #define	NFSV4OPEN_DELEGATEWRITE		2
330 #define	NFSV4OPEN_LIMITSIZE		1
331 #define	NFSV4OPEN_LIMITBLOCKS		2
332 
333 /*
334  * Nfs V4 ACE stuff
335  */
336 #define	NFSV4ACE_ALLOWEDTYPE		0x00000000
337 #define	NFSV4ACE_DENIEDTYPE		0x00000001
338 #define	NFSV4ACE_AUDITTYPE		0x00000002
339 #define	NFSV4ACE_ALARMTYPE		0x00000003
340 
341 #define	NFSV4ACE_SUPALLOWED		0x00000001
342 #define	NFSV4ACE_SUPDENIED		0x00000002
343 #define	NFSV4ACE_SUPAUDIT		0x00000004
344 #define	NFSV4ACE_SUPALARM		0x00000008
345 
346 #define	NFSV4ACE_SUPTYPES	(NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
347 
348 #define	NFSV4ACE_FILEINHERIT		0x00000001
349 #define	NFSV4ACE_DIRECTORYINHERIT	0x00000002
350 #define	NFSV4ACE_NOPROPAGATEINHERIT	0x00000004
351 #define	NFSV4ACE_INHERITONLY		0x00000008
352 #define	NFSV4ACE_SUCCESSFULACCESS	0x00000010
353 #define	NFSV4ACE_FAILEDACCESS		0x00000020
354 #define	NFSV4ACE_IDENTIFIERGROUP	0x00000040
355 
356 #define	NFSV4ACE_READDATA		0x00000001
357 #define	NFSV4ACE_LISTDIRECTORY		0x00000001
358 #define	NFSV4ACE_WRITEDATA		0x00000002
359 #define	NFSV4ACE_ADDFILE		0x00000002
360 #define	NFSV4ACE_APPENDDATA		0x00000004
361 #define	NFSV4ACE_ADDSUBDIRECTORY	0x00000004
362 #define	NFSV4ACE_READNAMEDATTR		0x00000008
363 #define	NFSV4ACE_WRITENAMEDATTR		0x00000010
364 #define	NFSV4ACE_EXECUTE		0x00000020
365 #define	NFSV4ACE_SEARCH			0x00000020
366 #define	NFSV4ACE_DELETECHILD		0x00000040
367 #define	NFSV4ACE_READATTRIBUTES		0x00000080
368 #define	NFSV4ACE_WRITEATTRIBUTES	0x00000100
369 #define	NFSV4ACE_DELETE			0x00010000
370 #define	NFSV4ACE_READACL		0x00020000
371 #define	NFSV4ACE_WRITEACL		0x00040000
372 #define	NFSV4ACE_WRITEOWNER		0x00080000
373 #define	NFSV4ACE_SYNCHRONIZE		0x00100000
374 
375 /*
376  * Here are the mappings between mode bits and acl mask bits for
377  * directories and other files.
378  * (Named attributes have not been included, since named attributes are
379  *  not yet supported.)
380  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
381  * searching a directory, although I can't find a statement of that in
382  * the RFC.
383  */
384 #define	NFSV4ACE_ALLFILESMASK	(NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
385 #define	NFSV4ACE_OWNERMASK	(NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
386 #define	NFSV4ACE_DIRREADMASK	NFSV4ACE_LISTDIRECTORY
387 #define	NFSV4ACE_DIREXECUTEMASK	NFSV4ACE_EXECUTE
388 #define	NFSV4ACE_DIRWRITEMASK	(NFSV4ACE_ADDFILE | 			\
389 		NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
390 #define	NFSV4ACE_READMASK	NFSV4ACE_READDATA
391 #define	NFSV4ACE_WRITEMASK	(NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
392 #define	NFSV4ACE_EXECUTEMASK	NFSV4ACE_EXECUTE
393 #define	NFSV4ACE_ALLFILEBITS	(NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
394 	NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
395 #define	NFSV4ACE_ALLDIRBITS	(NFSV4ACE_DIRREADMASK | 		\
396 	NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
397 #define	NFSV4ACE_AUDITMASK	0x0
398 
399 /*
400  * These GENERIC masks are not used and are no longer believed to be useful.
401  */
402 #define	NFSV4ACE_GENERICREAD		0x00120081
403 #define	NFSV4ACE_GENERICWRITE		0x00160106
404 #define	NFSV4ACE_GENERICEXECUTE		0x001200a0
405 
406 #define	NFSSTATEID_PUTALLZERO		0
407 #define	NFSSTATEID_PUTALLONE		1
408 #define	NFSSTATEID_PUTSTATEID		2
409 
410 /*
411  * Bits for share access and deny.
412  */
413 #define	NFSV4OPEN_ACCESSREAD		0x00000001
414 #define	NFSV4OPEN_ACCESSWRITE		0x00000002
415 #define	NFSV4OPEN_ACCESSBOTH		0x00000003
416 
417 #define	NFSV4OPEN_DENYNONE		0x00000000
418 #define	NFSV4OPEN_DENYREAD		0x00000001
419 #define	NFSV4OPEN_DENYWRITE		0x00000002
420 #define	NFSV4OPEN_DENYBOTH		0x00000003
421 
422 /*
423  * Open result flags
424  * (The first two are in the spec. The rest are used internally.)
425  */
426 #define	NFSV4OPEN_RESULTCONFIRM		0x00000002
427 #define	NFSV4OPEN_LOCKTYPEPOSIX		0x00000004
428 #define	NFSV4OPEN_RFLAGS 						\
429 		(NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX)
430 #define	NFSV4OPEN_RECALL		0x00010000
431 #define	NFSV4OPEN_READDELEGATE		0x00020000
432 #define	NFSV4OPEN_WRITEDELEGATE		0x00040000
433 
434 /*
435  * NFS V4 File Handle types
436  */
437 #define	NFSV4FHTYPE_PERSISTENT		0x0
438 #define	NFSV4FHTYPE_NOEXPIREWITHOPEN	0x1
439 #define	NFSV4FHTYPE_VOLATILEANY		0x2
440 #define	NFSV4FHTYPE_VOLATILEMIGRATE	0x4
441 #define	NFSV4FHTYPE_VOLATILERENAME	0x8
442 
443 /*
444  * Maximum size of V4 opaque strings.
445  */
446 #define	NFSV4_OPAQUELIMIT	1024
447 
448 /*
449  * These are the same for V3 and V4.
450  */
451 #define	NFSACCESS_READ			0x01
452 #define	NFSACCESS_LOOKUP		0x02
453 #define	NFSACCESS_MODIFY		0x04
454 #define	NFSACCESS_EXTEND		0x08
455 #define	NFSACCESS_DELETE		0x10
456 #define	NFSACCESS_EXECUTE		0x20
457 
458 #define	NFSWRITE_UNSTABLE		0
459 #define	NFSWRITE_DATASYNC		1
460 #define	NFSWRITE_FILESYNC		2
461 
462 #define	NFSCREATE_UNCHECKED		0
463 #define	NFSCREATE_GUARDED		1
464 #define	NFSCREATE_EXCLUSIVE		2
465 
466 #define	NFSV3FSINFO_LINK		0x01
467 #define	NFSV3FSINFO_SYMLINK		0x02
468 #define	NFSV3FSINFO_HOMOGENEOUS		0x08
469 #define	NFSV3FSINFO_CANSETTIME		0x10
470 
471 /* Conversion macros */
472 #define	vtonfsv2_mode(t,m) 						\
473 		txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : 	\
474 				MAKEIMODE((t), (m)))
475 #define	vtonfsv34_mode(m)	txdr_unsigned((m) & 07777)
476 #define	nfstov_mode(a)		(fxdr_unsigned(u_int16_t, (a))&07777)
477 #define	vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
478 		txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
479 #define	vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
480 		txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
481 #define	nfsv2tov_type(a)	newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
482 #define	nfsv34tov_type(a)	nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
483 #define	vtonfs_dtype(a)	(((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
484 			 IFTODT(VTTOIF(a)))
485 
486 /* File types */
487 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
488 	NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
489 
490 /* Structs for common parts of the rpc's */
491 
492 struct nfsv2_time {
493 	u_int32_t nfsv2_sec;
494 	u_int32_t nfsv2_usec;
495 };
496 typedef struct nfsv2_time	nfstime2;
497 
498 struct nfsv3_time {
499 	u_int32_t nfsv3_sec;
500 	u_int32_t nfsv3_nsec;
501 };
502 typedef struct nfsv3_time	nfstime3;
503 
504 struct nfsv4_time {
505 	u_int32_t nfsv4_highsec;
506 	u_int32_t nfsv4_sec;
507 	u_int32_t nfsv4_nsec;
508 };
509 typedef struct nfsv4_time	nfstime4;
510 
511 /*
512  * Quads are defined as arrays of 2 longs to ensure dense packing for the
513  * protocol and to facilitate xdr conversion.
514  */
515 struct nfs_uquad {
516 	u_int32_t nfsuquad[2];
517 };
518 typedef	struct nfs_uquad	nfsuint64;
519 
520 /*
521  * Used to convert between two u_longs and a u_quad_t.
522  */
523 union nfs_quadconvert {
524 	u_int32_t lval[2];
525 	u_quad_t  qval;
526 };
527 typedef union nfs_quadconvert	nfsquad_t;
528 
529 /*
530  * NFS Version 3 special file number.
531  */
532 struct nfsv3_spec {
533 	u_int32_t specdata1;
534 	u_int32_t specdata2;
535 };
536 typedef	struct nfsv3_spec	nfsv3spec;
537 
538 /*
539  * File attributes and setable attributes. These structures cover both
540  * NFS version 2 and the version 3 protocol. Note that the union is only
541  * used so that one pointer can refer to both variants. These structures
542  * go out on the wire and must be densely packed, so no quad data types
543  * are used. (all fields are longs or u_longs or structures of same)
544  * NB: You can't do sizeof(struct nfs_fattr), you must use the
545  *     NFSX_FATTR(v3) macro.
546  */
547 struct nfs_fattr {
548 	u_int32_t fa_type;
549 	u_int32_t fa_mode;
550 	u_int32_t fa_nlink;
551 	u_int32_t fa_uid;
552 	u_int32_t fa_gid;
553 	union {
554 		struct {
555 			u_int32_t nfsv2fa_size;
556 			u_int32_t nfsv2fa_blocksize;
557 			u_int32_t nfsv2fa_rdev;
558 			u_int32_t nfsv2fa_blocks;
559 			u_int32_t nfsv2fa_fsid;
560 			u_int32_t nfsv2fa_fileid;
561 			nfstime2  nfsv2fa_atime;
562 			nfstime2  nfsv2fa_mtime;
563 			nfstime2  nfsv2fa_ctime;
564 		} fa_nfsv2;
565 		struct {
566 			nfsuint64 nfsv3fa_size;
567 			nfsuint64 nfsv3fa_used;
568 			nfsv3spec nfsv3fa_rdev;
569 			nfsuint64 nfsv3fa_fsid;
570 			nfsuint64 nfsv3fa_fileid;
571 			nfstime3  nfsv3fa_atime;
572 			nfstime3  nfsv3fa_mtime;
573 			nfstime3  nfsv3fa_ctime;
574 		} fa_nfsv3;
575 	} fa_un;
576 };
577 
578 /* and some ugly defines for accessing union components */
579 #define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
580 #define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
581 #define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
582 #define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
583 #define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
584 #define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
585 #define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
586 #define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
587 #define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
588 #define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
589 #define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
590 #define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
591 #define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
592 #define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
593 #define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
594 #define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
595 #define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime
596 
597 struct nfsv2_sattr {
598 	u_int32_t sa_mode;
599 	u_int32_t sa_uid;
600 	u_int32_t sa_gid;
601 	u_int32_t sa_size;
602 	nfstime2  sa_atime;
603 	nfstime2  sa_mtime;
604 };
605 
606 /*
607  * NFS Version 3 sattr structure for the new node creation case.
608  */
609 struct nfsv3_sattr {
610 	u_int32_t sa_modetrue;
611 	u_int32_t sa_mode;
612 	u_int32_t sa_uidfalse;
613 	u_int32_t sa_gidfalse;
614 	u_int32_t sa_sizefalse;
615 	u_int32_t sa_atimetype;
616 	nfstime3  sa_atime;
617 	u_int32_t sa_mtimetype;
618 	nfstime3  sa_mtime;
619 };
620 
621 /*
622  * The attribute bits used for V4.
623  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
624  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
625  *	appropriate 32bit word.
626  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
627  */
628 #define	NFSATTRBIT_SUPPORTEDATTRS	0
629 #define	NFSATTRBIT_TYPE			1
630 #define	NFSATTRBIT_FHEXPIRETYPE		2
631 #define	NFSATTRBIT_CHANGE		3
632 #define	NFSATTRBIT_SIZE			4
633 #define	NFSATTRBIT_LINKSUPPORT		5
634 #define	NFSATTRBIT_SYMLINKSUPPORT	6
635 #define	NFSATTRBIT_NAMEDATTR		7
636 #define	NFSATTRBIT_FSID			8
637 #define	NFSATTRBIT_UNIQUEHANDLES	9
638 #define	NFSATTRBIT_LEASETIME		10
639 #define	NFSATTRBIT_RDATTRERROR		11
640 #define	NFSATTRBIT_ACL			12
641 #define	NFSATTRBIT_ACLSUPPORT		13
642 #define	NFSATTRBIT_ARCHIVE		14
643 #define	NFSATTRBIT_CANSETTIME		15
644 #define	NFSATTRBIT_CASEINSENSITIVE	16
645 #define	NFSATTRBIT_CASEPRESERVING	17
646 #define	NFSATTRBIT_CHOWNRESTRICTED	18
647 #define	NFSATTRBIT_FILEHANDLE		19
648 #define	NFSATTRBIT_FILEID		20
649 #define	NFSATTRBIT_FILESAVAIL		21
650 #define	NFSATTRBIT_FILESFREE		22
651 #define	NFSATTRBIT_FILESTOTAL		23
652 #define	NFSATTRBIT_FSLOCATIONS		24
653 #define	NFSATTRBIT_HIDDEN		25
654 #define	NFSATTRBIT_HOMOGENEOUS		26
655 #define	NFSATTRBIT_MAXFILESIZE		27
656 #define	NFSATTRBIT_MAXLINK		28
657 #define	NFSATTRBIT_MAXNAME		29
658 #define	NFSATTRBIT_MAXREAD		30
659 #define	NFSATTRBIT_MAXWRITE		31
660 #define	NFSATTRBIT_MIMETYPE		32
661 #define	NFSATTRBIT_MODE			33
662 #define	NFSATTRBIT_NOTRUNC		34
663 #define	NFSATTRBIT_NUMLINKS		35
664 #define	NFSATTRBIT_OWNER		36
665 #define	NFSATTRBIT_OWNERGROUP		37
666 #define	NFSATTRBIT_QUOTAHARD		38
667 #define	NFSATTRBIT_QUOTASOFT		39
668 #define	NFSATTRBIT_QUOTAUSED		40
669 #define	NFSATTRBIT_RAWDEV		41
670 #define	NFSATTRBIT_SPACEAVAIL		42
671 #define	NFSATTRBIT_SPACEFREE		43
672 #define	NFSATTRBIT_SPACETOTAL		44
673 #define	NFSATTRBIT_SPACEUSED		45
674 #define	NFSATTRBIT_SYSTEM		46
675 #define	NFSATTRBIT_TIMEACCESS		47
676 #define	NFSATTRBIT_TIMEACCESSSET	48
677 #define	NFSATTRBIT_TIMEBACKUP		49
678 #define	NFSATTRBIT_TIMECREATE		50
679 #define	NFSATTRBIT_TIMEDELTA		51
680 #define	NFSATTRBIT_TIMEMETADATA		52
681 #define	NFSATTRBIT_TIMEMODIFY		53
682 #define	NFSATTRBIT_TIMEMODIFYSET	54
683 #define	NFSATTRBIT_MOUNTEDONFILEID	55
684 
685 #define	NFSATTRBM_SUPPORTEDATTRS	0x00000001
686 #define	NFSATTRBM_TYPE			0x00000002
687 #define	NFSATTRBM_FHEXPIRETYPE		0x00000004
688 #define	NFSATTRBM_CHANGE		0x00000008
689 #define	NFSATTRBM_SIZE			0x00000010
690 #define	NFSATTRBM_LINKSUPPORT		0x00000020
691 #define	NFSATTRBM_SYMLINKSUPPORT	0x00000040
692 #define	NFSATTRBM_NAMEDATTR		0x00000080
693 #define	NFSATTRBM_FSID			0x00000100
694 #define	NFSATTRBM_UNIQUEHANDLES		0x00000200
695 #define	NFSATTRBM_LEASETIME		0x00000400
696 #define	NFSATTRBM_RDATTRERROR		0x00000800
697 #define	NFSATTRBM_ACL			0x00001000
698 #define	NFSATTRBM_ACLSUPPORT		0x00002000
699 #define	NFSATTRBM_ARCHIVE		0x00004000
700 #define	NFSATTRBM_CANSETTIME		0x00008000
701 #define	NFSATTRBM_CASEINSENSITIVE	0x00010000
702 #define	NFSATTRBM_CASEPRESERVING	0x00020000
703 #define	NFSATTRBM_CHOWNRESTRICTED	0x00040000
704 #define	NFSATTRBM_FILEHANDLE		0x00080000
705 #define	NFSATTRBM_FILEID		0x00100000
706 #define	NFSATTRBM_FILESAVAIL		0x00200000
707 #define	NFSATTRBM_FILESFREE		0x00400000
708 #define	NFSATTRBM_FILESTOTAL		0x00800000
709 #define	NFSATTRBM_FSLOCATIONS		0x01000000
710 #define	NFSATTRBM_HIDDEN		0x02000000
711 #define	NFSATTRBM_HOMOGENEOUS		0x04000000
712 #define	NFSATTRBM_MAXFILESIZE		0x08000000
713 #define	NFSATTRBM_MAXLINK		0x10000000
714 #define	NFSATTRBM_MAXNAME		0x20000000
715 #define	NFSATTRBM_MAXREAD		0x40000000
716 #define	NFSATTRBM_MAXWRITE		0x80000000
717 #define	NFSATTRBM_MIMETYPE		0x00000001
718 #define	NFSATTRBM_MODE			0x00000002
719 #define	NFSATTRBM_NOTRUNC		0x00000004
720 #define	NFSATTRBM_NUMLINKS		0x00000008
721 #define	NFSATTRBM_OWNER			0x00000010
722 #define	NFSATTRBM_OWNERGROUP		0x00000020
723 #define	NFSATTRBM_QUOTAHARD		0x00000040
724 #define	NFSATTRBM_QUOTASOFT		0x00000080
725 #define	NFSATTRBM_QUOTAUSED		0x00000100
726 #define	NFSATTRBM_RAWDEV		0x00000200
727 #define	NFSATTRBM_SPACEAVAIL		0x00000400
728 #define	NFSATTRBM_SPACEFREE		0x00000800
729 #define	NFSATTRBM_SPACETOTAL		0x00001000
730 #define	NFSATTRBM_SPACEUSED		0x00002000
731 #define	NFSATTRBM_SYSTEM		0x00004000
732 #define	NFSATTRBM_TIMEACCESS		0x00008000
733 #define	NFSATTRBM_TIMEACCESSSET		0x00010000
734 #define	NFSATTRBM_TIMEBACKUP		0x00020000
735 #define	NFSATTRBM_TIMECREATE		0x00040000
736 #define	NFSATTRBM_TIMEDELTA		0x00080000
737 #define	NFSATTRBM_TIMEMETADATA		0x00100000
738 #define	NFSATTRBM_TIMEMODIFY		0x00200000
739 #define	NFSATTRBM_TIMEMODIFYSET		0x00400000
740 #define	NFSATTRBM_MOUNTEDONFILEID	0x00800000
741 
742 #define	NFSATTRBIT_MAX			56
743 
744 /*
745  * Sets of attributes that are supported, by words in the bitmap.
746  */
747 /*
748  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
749  *			  SUPP1 - bits 32<->63
750  */
751 #define	NFSATTRBIT_SUPP0						\
752  	(NFSATTRBM_SUPPORTEDATTRS |					\
753  	NFSATTRBM_TYPE |						\
754  	NFSATTRBM_FHEXPIRETYPE |					\
755  	NFSATTRBM_CHANGE |						\
756  	NFSATTRBM_SIZE |						\
757  	NFSATTRBM_LINKSUPPORT |						\
758  	NFSATTRBM_SYMLINKSUPPORT |					\
759  	NFSATTRBM_NAMEDATTR |						\
760  	NFSATTRBM_FSID |						\
761  	NFSATTRBM_UNIQUEHANDLES |					\
762  	NFSATTRBM_LEASETIME |						\
763  	NFSATTRBM_RDATTRERROR |						\
764  	NFSATTRBM_ACL |							\
765  	NFSATTRBM_ACLSUPPORT |						\
766  	NFSATTRBM_CANSETTIME |						\
767  	NFSATTRBM_CASEINSENSITIVE |					\
768  	NFSATTRBM_CASEPRESERVING |					\
769  	NFSATTRBM_CHOWNRESTRICTED |					\
770  	NFSATTRBM_FILEHANDLE |						\
771  	NFSATTRBM_FILEID |						\
772  	NFSATTRBM_FILESAVAIL |						\
773  	NFSATTRBM_FILESFREE |						\
774  	NFSATTRBM_FILESTOTAL |						\
775 	NFSATTRBM_FSLOCATIONS |						\
776  	NFSATTRBM_HOMOGENEOUS |						\
777  	NFSATTRBM_MAXFILESIZE |						\
778  	NFSATTRBM_MAXLINK |						\
779  	NFSATTRBM_MAXNAME |						\
780  	NFSATTRBM_MAXREAD |						\
781  	NFSATTRBM_MAXWRITE)
782 
783 /*
784  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
785  */
786 #define	NFSATTRBIT_S1							\
787  	(NFSATTRBM_MODE |						\
788  	NFSATTRBM_NOTRUNC |						\
789  	NFSATTRBM_NUMLINKS |						\
790  	NFSATTRBM_OWNER |						\
791  	NFSATTRBM_OWNERGROUP |						\
792  	NFSATTRBM_RAWDEV |						\
793  	NFSATTRBM_SPACEAVAIL |						\
794  	NFSATTRBM_SPACEFREE |						\
795  	NFSATTRBM_SPACETOTAL |						\
796  	NFSATTRBM_SPACEUSED |						\
797  	NFSATTRBM_TIMEACCESS |						\
798  	NFSATTRBM_TIMEDELTA |						\
799  	NFSATTRBM_TIMEMETADATA |					\
800  	NFSATTRBM_TIMEMODIFY |						\
801  	NFSATTRBM_MOUNTEDONFILEID)
802 
803 #ifdef QUOTA
804 /*
805  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
806  * NFSATTRBIT_QUOTAUSED.
807  */
808 #define	NFSATTRBIT_SUPP1	(NFSATTRBIT_S1 |			\
809 				NFSATTRBM_QUOTAHARD |			\
810 				NFSATTRBM_QUOTASOFT |			\
811 				NFSATTRBM_QUOTAUSED)
812 #else
813 #define	NFSATTRBIT_SUPP1	NFSATTRBIT_S1
814 #endif
815 
816 /*
817  * NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
818  * NFSATTRBIT_TIMEMODIFYSET.
819  */
820 #define	NFSATTRBIT_SUPPSETONLY	 (NFSATTRBM_TIMEACCESSSET |		\
821 				 NFSATTRBM_TIMEMODIFYSET)
822 
823 /*
824  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
825  *			SETABLE1 - bits 32<->63
826  */
827 #define	NFSATTRBIT_SETABLE0						\
828 	(NFSATTRBM_SIZE |						\
829 	NFSATTRBM_ACL)
830 #define	NFSATTRBIT_SETABLE1						\
831  	(NFSATTRBM_MODE |						\
832  	NFSATTRBM_OWNER |						\
833  	NFSATTRBM_OWNERGROUP |						\
834  	NFSATTRBM_TIMEACCESSSET |					\
835  	NFSATTRBM_TIMEMODIFYSET)
836 
837 /*
838  * Set of attributes that the getattr vnode op needs.
839  * OR of the following bits.
840  * NFSATTRBIT_GETATTR0 - bits 0<->31
841  */
842 #define	NFSATTRBIT_GETATTR0						\
843  	(NFSATTRBM_SUPPORTEDATTRS |					\
844  	NFSATTRBM_TYPE |						\
845  	NFSATTRBM_CHANGE |						\
846  	NFSATTRBM_SIZE |						\
847  	NFSATTRBM_FSID |						\
848  	NFSATTRBM_FILEID |						\
849  	NFSATTRBM_MAXREAD)
850 
851 /*
852  * NFSATTRBIT_GETATTR1 - bits 32<->63
853  */
854 #define	NFSATTRBIT_GETATTR1						\
855  	(NFSATTRBM_MODE |						\
856  	NFSATTRBM_NUMLINKS |						\
857  	NFSATTRBM_OWNER |						\
858  	NFSATTRBM_OWNERGROUP |						\
859  	NFSATTRBM_RAWDEV |						\
860  	NFSATTRBM_SPACEUSED |						\
861  	NFSATTRBM_TIMEACCESS |						\
862  	NFSATTRBM_TIMEMETADATA |					\
863  	NFSATTRBM_TIMEMODIFY)
864 
865 /*
866  * Subset of the above that the Write RPC gets.
867  * OR of the following bits.
868  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
869  */
870 #define	NFSATTRBIT_WRITEGETATTR0					\
871  	(NFSATTRBM_SUPPORTEDATTRS |					\
872  	NFSATTRBM_TYPE |						\
873  	NFSATTRBM_CHANGE |						\
874  	NFSATTRBM_SIZE |						\
875  	NFSATTRBM_FSID |						\
876  	NFSATTRBM_FILEID |						\
877  	NFSATTRBM_MAXREAD)
878 
879 /*
880  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
881  */
882 #define	NFSATTRBIT_WRITEGETATTR1					\
883  	(NFSATTRBM_MODE |						\
884  	NFSATTRBM_NUMLINKS |						\
885  	NFSATTRBM_RAWDEV |						\
886  	NFSATTRBM_SPACEUSED |						\
887  	NFSATTRBM_TIMEACCESS |						\
888  	NFSATTRBM_TIMEMETADATA |					\
889  	NFSATTRBM_TIMEMODIFY)
890 
891 /*
892  * Set of attributes that the wccattr operation op needs.
893  * OR of the following bits.
894  * NFSATTRBIT_WCCATTR0 - bits 0<->31
895  */
896 #define	NFSATTRBIT_WCCATTR0	0
897 
898 /*
899  * NFSATTRBIT_WCCATTR1 - bits 32<->63
900  */
901 #define	NFSATTRBIT_WCCATTR1						\
902  	(NFSATTRBM_TIMEMODIFY)
903 
904 /*
905  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
906  */
907 #define	NFSATTRBIT_CBGETATTR0	(NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
908 
909 /*
910  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
911  */
912 #define	NFSATTRBIT_CBGETATTR1		0x0
913 
914 /*
915  * Sets of attributes that require a VFS_STATFS() call to get the
916  * values of.
917  * NFSATTRBIT_STATFS0 - bits 0<->31
918  */
919 #define	NFSATTRBIT_STATFS0						\
920 	(NFSATTRBM_LINKSUPPORT |					\
921 	NFSATTRBM_SYMLINKSUPPORT |					\
922 	NFSATTRBM_CANSETTIME |						\
923  	NFSATTRBM_FILESAVAIL |						\
924  	NFSATTRBM_FILESFREE |						\
925  	NFSATTRBM_FILESTOTAL |						\
926  	NFSATTRBM_HOMOGENEOUS |						\
927  	NFSATTRBM_MAXFILESIZE |						\
928 	NFSATTRBM_MAXNAME |						\
929 	NFSATTRBM_MAXREAD |						\
930 	NFSATTRBM_MAXWRITE)
931 
932 /*
933  * NFSATTRBIT_STATFS1 - bits 32<->63
934  */
935 #define	NFSATTRBIT_STATFS1						\
936  	(NFSATTRBM_QUOTAHARD |						\
937  	NFSATTRBM_QUOTASOFT |						\
938  	NFSATTRBM_QUOTAUSED |						\
939  	NFSATTRBM_SPACEAVAIL |						\
940  	NFSATTRBM_SPACEFREE |						\
941  	NFSATTRBM_SPACETOTAL |						\
942  	NFSATTRBM_SPACEUSED |						\
943 	NFSATTRBM_TIMEDELTA)
944 
945 /*
946  * These are the bits that are needed by the nfs_statfs() call.
947  * (The regular getattr bits are or'd in so the vnode gets the correct
948  *  type, etc.)
949  * NFSGETATTRBIT_STATFS0 - bits 0<->31
950  */
951 #define	NFSGETATTRBIT_STATFS0	(NFSATTRBIT_GETATTR0 |			\
952 				NFSATTRBM_LINKSUPPORT |			\
953 				NFSATTRBM_SYMLINKSUPPORT |		\
954 				NFSATTRBM_CANSETTIME |			\
955 				NFSATTRBM_FILESFREE |			\
956 				NFSATTRBM_FILESTOTAL |			\
957 				NFSATTRBM_HOMOGENEOUS |			\
958 				NFSATTRBM_MAXFILESIZE |			\
959 				NFSATTRBM_MAXNAME |			\
960 				NFSATTRBM_MAXREAD |			\
961 				NFSATTRBM_MAXWRITE)
962 
963 /*
964  * NFSGETATTRBIT_STATFS1 - bits 32<->63
965  */
966 #define	NFSGETATTRBIT_STATFS1	(NFSATTRBIT_GETATTR1 |			\
967 				NFSATTRBM_SPACEAVAIL |			\
968 				NFSATTRBM_SPACEFREE |			\
969 				NFSATTRBM_SPACETOTAL |			\
970 				NFSATTRBM_TIMEDELTA)
971 
972 /*
973  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
974  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
975  */
976 #define	NFSGETATTRBIT_PATHCONF0	(NFSATTRBIT_GETATTR0 |			\
977 			 	NFSATTRBM_CASEINSENSITIVE |		\
978 			 	NFSATTRBM_CASEPRESERVING |		\
979 			 	NFSATTRBM_CHOWNRESTRICTED |		\
980 			 	NFSATTRBM_MAXLINK |			\
981 			 	NFSATTRBM_MAXNAME)
982 
983 /*
984  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
985  */
986 #define	NFSGETATTRBIT_PATHCONF1	(NFSATTRBIT_GETATTR1 |			\
987 				NFSATTRBM_NOTRUNC)
988 
989 /*
990  * Sets of attributes required by readdir and readdirplus.
991  * NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
992  *				 NFSATTRBIT_RDATTRERROR)
993  */
994 #define	NFSATTRBIT_READDIRPLUS0	(NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
995 				NFSATTRBM_RDATTRERROR)
996 #define	NFSATTRBIT_READDIRPLUS1	NFSATTRBIT_GETATTR1
997 
998 /*
999  * Set of attributes supported by Referral vnodes.
1000  */
1001 #define	NFSATTRBIT_REFERRAL0	(NFSATTRBM_TYPE | NFSATTRBM_FSID |	\
1002 	NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
1003 #define	NFSATTRBIT_REFERRAL1	NFSATTRBM_MOUNTEDONFILEID
1004 
1005 /*
1006  * Structure for data handled by the statfs rpc. Since some fields are
1007  * u_int64_t, this cannot be used for copying data on/off the wire, due
1008  * to alignment concerns.
1009  */
1010 struct nfsstatfs {
1011 	union {
1012 		struct {
1013 			u_int32_t nfsv2sf_tsize;
1014 			u_int32_t nfsv2sf_bsize;
1015 			u_int32_t nfsv2sf_blocks;
1016 			u_int32_t nfsv2sf_bfree;
1017 			u_int32_t nfsv2sf_bavail;
1018 		} sf_nfsv2;
1019 		struct {
1020 			u_int64_t nfsv3sf_tbytes;
1021 			u_int64_t nfsv3sf_fbytes;
1022 			u_int64_t nfsv3sf_abytes;
1023 			u_int64_t nfsv3sf_tfiles;
1024 			u_int64_t nfsv3sf_ffiles;
1025 			u_int64_t nfsv3sf_afiles;
1026 			u_int32_t nfsv3sf_invarsec;
1027 		} sf_nfsv3;
1028 	} sf_un;
1029 };
1030 
1031 #define	sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
1032 #define	sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
1033 #define	sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
1034 #define	sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
1035 #define	sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
1036 #define	sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
1037 #define	sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
1038 #define	sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
1039 #define	sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
1040 #define	sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
1041 #define	sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
1042 #define	sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec
1043 
1044 /*
1045  * Now defined using u_int64_t for the 64 bit field(s).
1046  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
1047  */
1048 struct nfsfsinfo {
1049 	u_int32_t fs_rtmax;
1050 	u_int32_t fs_rtpref;
1051 	u_int32_t fs_rtmult;
1052 	u_int32_t fs_wtmax;
1053 	u_int32_t fs_wtpref;
1054 	u_int32_t fs_wtmult;
1055 	u_int32_t fs_dtpref;
1056 	u_int64_t fs_maxfilesize;
1057 	struct timespec fs_timedelta;
1058 	u_int32_t fs_properties;
1059 };
1060 
1061 /*
1062  * Bits for fs_properties
1063  */
1064 #define	NFSV3_FSFLINK		0x1
1065 #define	NFSV3_FSFSYMLINK	0x2
1066 #define	NFSV3_FSFHOMOGENEOUS	0x4
1067 #define	NFSV3_FSFCANSETTIME	0x8
1068 
1069 /*
1070  * Yikes, overload fs_rtmult as fs_maxname for V4.
1071  */
1072 #define	fs_maxname	fs_rtmult
1073 
1074 struct nfsv3_pathconf {
1075 	u_int32_t pc_linkmax;
1076 	u_int32_t pc_namemax;
1077 	u_int32_t pc_notrunc;
1078 	u_int32_t pc_chownrestricted;
1079 	u_int32_t pc_caseinsensitive;
1080 	u_int32_t pc_casepreserving;
1081 };
1082 
1083 /*
1084  * NFS V4 data structures.
1085  */
1086 struct nfsv4stateid {
1087 	u_int32_t	seqid;
1088 	u_int32_t	other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
1089 };
1090 typedef struct nfsv4stateid nfsv4stateid_t;
1091 
1092 #endif	/* _NFS_NFSPROTO_H_ */
1093