xref: /freebsd/sys/nfs/nfsproto.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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 
35 #ifndef _NFS_NFSPROTO_H_
36 #define _NFS_NFSPROTO_H_
37 
38 /*
39  * nfs definitions as per the Version 2 and 3 specs
40  */
41 
42 /*
43  * Constants as defined in the Sun NFS Version 2 and 3 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_VER2	2
52 #define	NFS_VER3	3
53 #define NFS_VER4	4
54 
55 #define NFS_V2MAXDATA	8192
56 #define	NFS_MAXDGRAMDATA 16384
57 #define	NFS_MAXDATA	32768
58 #define	NFS_MAXPATHLEN	1024
59 #define	NFS_MAXNAMLEN	255
60 #define	NFS_MAXPKTHDR	404	/* XXXv4 this needs to be adjust for v4 */
61 #define NFS_MAXPACKET	(NFS_MAXPKTHDR + NFS_MAXDATA)
62 #define	NFS_MINPACKET	20
63 #define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */
64 
65 /* Stat numbers for rpc returns (version 2, 3 and 4) */
66 #define	NFS_OK			0
67 #define	NFSERR_PERM		1
68 #define	NFSERR_NOENT		2
69 #define	NFSERR_IO		5
70 #define	NFSERR_NXIO		6
71 #define	NFSERR_ACCES		13
72 #define	NFSERR_EXIST		17
73 #define	NFSERR_XDEV		18	/* Version 3 only */
74 #define	NFSERR_NODEV		19
75 #define	NFSERR_NOTDIR		20
76 #define	NFSERR_ISDIR		21
77 #define	NFSERR_INVAL		22	/* Version 3 only */
78 #define	NFSERR_FBIG		27
79 #define	NFSERR_NOSPC		28
80 #define	NFSERR_ROFS		30
81 #define	NFSERR_MLINK		31	/* Version 3 only */
82 #define	NFSERR_NAMETOL		63
83 #define	NFSERR_NOTEMPTY		66
84 #define	NFSERR_DQUOT		69
85 #define	NFSERR_STALE		70
86 #define	NFSERR_REMOTE		71	/* Version 3 only */
87 #define	NFSERR_WFLUSH		99	/* Version 2 only */
88 #define	NFSERR_BADHANDLE	10001	/* The rest Version 3, 4 only */
89 #define	NFSERR_NOT_SYNC		10002
90 #define	NFSERR_BAD_COOKIE	10003
91 #define	NFSERR_NOTSUPP		10004
92 #define	NFSERR_TOOSMALL		10005
93 #define	NFSERR_SERVERFAULT	10006
94 #define	NFSERR_BADTYPE		10007
95 #define	NFSERR_JUKEBOX		10008
96 #define NFSERR_TRYLATER		NFSERR_JUKEBOX
97 #define	NFSERR_SAME		10009   /* The rest Version 4 only */
98 #define	NFSERR_DENIED		10010
99 #define	NFSERR_EXPIRED		10011
100 #define	NFSERR_LOCKED		10012
101 #define	NFSERR_GRACE		10013
102 #define	NFSERR_FHEXPIRED	10014
103 #define	NFSERR_SHARDE_DENIED	10015
104 #define	NFSERR_WRONGSEC		10016
105 #define	NFSERR_CLID_INUSE	10017
106 #define	NFSERR_RESOURCE		10018
107 #define	NFSERR_MOVED		10019
108 #define	NFSERR_NOFILEHANDLE	10020
109 #define	NFSERR_MINOR_VERS_MISMATCH 10021
110 #define	NFSERR_STALE_CLIENTID	10022
111 #define	NFSERR_STALE_STATEID	10023
112 #define	NFSERR_OLD_STATEID	10024
113 #define	NFSERR_BAD_STATEID	10025
114 #define	NFSERR_BAD_SEQID	10026
115 #define	NFSERR_NOT_SAME		10027
116 #define	NFSERR_LOCK_RANGE	10028
117 #define	NFSERR_SYMLINK		10029
118 #define	NFSERR_READDIR_NOSPC	10030
119 #define	NFSERR_LEASE_MOVED	10031
120 #define	NFSERR_ATTRNOTSUPP	10032
121 #define	NFSERR_NO_GRACE		10033
122 #define	NFSERR_RECLAIM_BAD	10034
123 #define	NFSERR_RECLAIM_CONFLICT	10035
124 #define	NFSERR_BADXDR		10036
125 #define	NFSERR_LOCKS_HELD	10037
126 #define	NFSERR_OPENMODE		10038
127 #define	NFSERR_BADOWNER		10039
128 #define	NFSERR_BADCHAR		10040
129 #define	NFSERR_BADNAME		10041
130 #define	NFSERR_BAD_RANGE	10042
131 #define	NFSERR_LOCK_NOTSUPP	10043
132 #define	NFSERR_OP_ILLEGAL	10044
133 #define	NFSERR_DEADLOCK		10045
134 #define	NFSERR_FILE_OPEN	10046
135 #define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */
136 
137 #define NFSERR_RETVOID		0x20000000 /* Return void, not error */
138 #define NFSERR_AUTHERR		0x40000000 /* Mark an authentication error */
139 #define NFSERR_RETERR		0x80000000 /* Mark an error return for V3 */
140 
141 /* Sizes in bytes of various nfs rpc components */
142 #define	NFSX_UNSIGNED	4
143 
144 /* specific to NFS Version 2 */
145 #define	NFSX_V2FH	32
146 #define	NFSX_V2FATTR	68
147 #define	NFSX_V2SATTR	32
148 #define	NFSX_V2COOKIE	4
149 #define NFSX_V2STATFS	20
150 
151 /* specific to NFS Version 3 */
152 #define NFSX_V3FH		(sizeof (fhandle_t)) /* size this server uses */
153 #define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
154 #define NFSX_V3FATTR		84
155 #define NFSX_V3SATTR		60	/* max. all fields filled in */
156 #define NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
157 #define NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
158 #define NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
159 #define NFSX_V3COOKIEVERF 	8
160 #define NFSX_V3WRITEVERF 	8
161 #define NFSX_V3CREATEVERF	8
162 #define NFSX_V3STATFS		52
163 #define NFSX_V3FSINFO		48
164 #define NFSX_V3PATHCONF		24
165 
166 /* specific to NFS Version 4 */
167 #define NFSX_V4VERF		8
168 #define NFSX_V4FH		128
169 #define NFSX_V4STATEID		16
170 
171 /* variants for both versions */
172 #define NFSX_FH(v3)		((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
173 					NFSX_V2FH)
174 #define NFSX_SRVFH(v3)		((v3) ? NFSX_V3FH : NFSX_V2FH)
175 #define	NFSX_FATTR(v3)		((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
176 #define NFSX_PREOPATTR(v3)	((v3) ? (7 * NFSX_UNSIGNED) : 0)
177 #define NFSX_POSTOPATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
178 #define NFSX_POSTOPORFATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
179 					NFSX_V2FATTR)
180 #define NFSX_WCCDATA(v3)	((v3) ? NFSX_V3WCCDATA : 0)
181 #define NFSX_WCCORFATTR(v3)	((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
182 #define	NFSX_SATTR(v3)		((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
183 #define	NFSX_COOKIEVERF(v3)	((v3) ? NFSX_V3COOKIEVERF : 0)
184 #define	NFSX_WRITEVERF(v3)	((v3) ? NFSX_V3WRITEVERF : 0)
185 #define NFSX_READDIR(v3)	((v3) ? (5 * NFSX_UNSIGNED) : \
186 					(2 * NFSX_UNSIGNED))
187 #define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
188 
189 /* nfs rpc procedure numbers (before version mapping) */
190 #define	NFSPROC_NULL		0
191 #define	NFSPROC_GETATTR		1
192 #define	NFSPROC_SETATTR		2
193 #define	NFSPROC_LOOKUP		3
194 #define	NFSPROC_ACCESS		4
195 #define	NFSPROC_READLINK	5
196 #define	NFSPROC_READ		6
197 #define	NFSPROC_WRITE		7
198 #define	NFSPROC_CREATE		8
199 #define	NFSPROC_MKDIR		9
200 #define	NFSPROC_SYMLINK		10
201 #define	NFSPROC_MKNOD		11
202 #define	NFSPROC_REMOVE		12
203 #define	NFSPROC_RMDIR		13
204 #define	NFSPROC_RENAME		14
205 #define	NFSPROC_LINK		15
206 #define	NFSPROC_READDIR		16
207 #define	NFSPROC_READDIRPLUS	17
208 #define	NFSPROC_FSSTAT		18
209 #define	NFSPROC_FSINFO		19
210 #define	NFSPROC_PATHCONF	20
211 #define	NFSPROC_COMMIT		21
212 #define NFSPROC_NOOP		22
213 #define	NFS_NPROCS		23
214 
215 /* Actual Version 2 procedure numbers */
216 #define	NFSV2PROC_NULL		0
217 #define	NFSV2PROC_GETATTR	1
218 #define	NFSV2PROC_SETATTR	2
219 #define	NFSV2PROC_NOOP		3
220 #define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
221 #define	NFSV2PROC_LOOKUP	4
222 #define	NFSV2PROC_READLINK	5
223 #define	NFSV2PROC_READ		6
224 #define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
225 #define	NFSV2PROC_WRITE		8
226 #define	NFSV2PROC_CREATE	9
227 #define	NFSV2PROC_REMOVE	10
228 #define	NFSV2PROC_RENAME	11
229 #define	NFSV2PROC_LINK		12
230 #define	NFSV2PROC_SYMLINK	13
231 #define	NFSV2PROC_MKDIR		14
232 #define	NFSV2PROC_RMDIR		15
233 #define	NFSV2PROC_READDIR	16
234 #define	NFSV2PROC_STATFS	17
235 
236 /* Version 4 procedure numbers */
237 #define NFSV4PROC_NULL         0
238 #define NFSV4PROC_COMPOUND     1
239 
240 /* Version 4 operation numbers */
241 #define NFSV4OP_ACCESS		3
242 #define NFSV4OP_CLOSE		4
243 #define NFSV4OP_COMMIT		5
244 #define NFSV4OP_CREATE		6
245 #define NFSV4OP_DELEGPURGE	7
246 #define NFSV4OP_DELEGRETURN	8
247 #define NFSV4OP_GETATTR		9
248 #define NFSV4OP_GETFH		10
249 #define NFSV4OP_LINK		11
250 #define NFSV4OP_LOCK		12
251 #define NFSV4OP_LOCKT		13
252 #define NFSV4OP_LOCKU		14
253 #define NFSV4OP_LOOKUP		15
254 #define NFSV4OP_LOOKUPP		16
255 #define NFSV4OP_NVERIFY		17
256 #define NFSV4OP_OPEN		18
257 #define NFSV4OP_OPENATTR	19
258 #define NFSV4OP_OPEN_CONFIRM	20
259 #define NFSV4OP_OPEN_DOWNGRADE	21
260 #define NFSV4OP_PUTFH		22
261 #define NFSV4OP_PUTPUBFH	23
262 #define NFSV4OP_PUTROOTFH	24
263 #define NFSV4OP_READ		25
264 #define NFSV4OP_READDIR		26
265 #define NFSV4OP_READLINK	27
266 #define NFSV4OP_REMOVE		28
267 #define NFSV4OP_RENAME		29
268 #define NFSV4OP_RENEW		30
269 #define NFSV4OP_RESTOREFH	31
270 #define NFSV4OP_SAVEFH		32
271 #define NFSV4OP_SECINFO		33
272 #define NFSV4OP_SETATTR		34
273 #define NFSV4OP_SETCLIENTID	35
274 #define NFSV4OP_SETCLIENTID_CONFIRM 36
275 #define NFSV4OP_VERIFY		37
276 #define NFSV4OP_WRITE		38
277 
278 /*
279  * Constants used by the Version 3 protocol for various RPCs
280  */
281 #define NFSV3SATTRTIME_DONTCHANGE	0
282 #define NFSV3SATTRTIME_TOSERVER		1
283 #define NFSV3SATTRTIME_TOCLIENT		2
284 
285 #define NFSV3ACCESS_READ		0x01
286 #define NFSV3ACCESS_LOOKUP		0x02
287 #define NFSV3ACCESS_MODIFY		0x04
288 #define NFSV3ACCESS_EXTEND		0x08
289 #define NFSV3ACCESS_DELETE		0x10
290 #define NFSV3ACCESS_EXECUTE		0x20
291 
292 #define NFSV3WRITE_UNSTABLE		0
293 #define NFSV3WRITE_DATASYNC		1
294 #define NFSV3WRITE_FILESYNC		2
295 
296 #define NFSV3CREATE_UNCHECKED		0
297 #define NFSV3CREATE_GUARDED		1
298 #define NFSV3CREATE_EXCLUSIVE		2
299 
300 #define NFSV3FSINFO_LINK		0x01
301 #define NFSV3FSINFO_SYMLINK		0x02
302 #define NFSV3FSINFO_HOMOGENEOUS		0x08
303 #define NFSV3FSINFO_CANSETTIME		0x10
304 
305 /*
306  * Constants used by the Version 4 protocol for various RPCs
307  */
308 
309 #define NFSV4ACCESS_READ		0x01
310 #define NFSV4ACCESS_LOOKUP		0x02
311 #define NFSV4ACCESS_MODIFY		0x04
312 #define NFSV4ACCESS_EXTEND		0x08
313 #define NFSV4ACCESS_DELETE		0x10
314 #define NFSV4ACCESS_EXECUTE		0x20
315 
316 #define NFSV4OPENRES_MLOCK		0x01
317 #define NFSV4OPENRES_CONFIRM		0x02
318 
319 #define NFSV4OPENSHARE_ACCESS_READ	0x01
320 #define NFSV4OPENSHARE_ACCESS_WRITE	0x02
321 #define NFSV4OPENSHARE_ACCESS_BOTH	0x03
322 #define NFSV4OPENSHARE_DENY_NONE	0x00
323 #define NFSV4OPENSHARE_DENY_READ	0x01
324 #define NFSV4OPENSHARE_DENY_WRITE	0x02
325 #define NFSV4OPENSHARE_DENY_BOTH	0x03
326 
327 /* File types */
328 typedef enum {
329 	NFNON=0,
330 	NFREG=1,
331 	NFDIR=2,
332 	NFBLK=3,
333 	NFCHR=4,
334 	NFLNK=5,
335 	NFSOCK=6,
336 	NFFIFO=7,
337 	NFATTRDIR = 8,
338 	NFNAMEDATTR = 9,
339 	NFBAD = 10,
340 } nfstype;
341 
342 /* NFSv4 claim type */
343 typedef enum {
344 	NCLNULL = 0,
345 	NCLPREV = 1,
346 	NCLDELEGCUR = 2,
347 	NCLDELEGPREV = 3,
348 } nfsv4cltype;
349 
350 /* Other NFSv4 types */
351 typedef enum {
352 	NSHUNSTABLE = 0,
353 	NSHDATASYNC = 1,
354 	NSHFILESYNC = 2,
355 } nfsv4stablehow;
356 
357 typedef enum { OTNOCREATE = 0, OTCREATE = 1 } nfsv4opentype;
358 typedef enum { CMUNCHECKED = 0, CMGUARDED = 1, CMEXCLUSIVE = 2 } nfsv4createmode;
359 typedef enum { THSERVERTIME = 0, THCLIENTTIME = 1 } nfsv4timehow;
360 typedef enum { ODNONE = 0, ODREAD = 1, ODWRITE = 2 } nfsv4opendelegtype;
361 
362 /* Structs for common parts of the rpc's */
363 
364 /*
365  * File Handle (32 bytes for version 2), variable up to 64 for version 3.
366  * File Handles of up to NFS_SMALLFH in size are stored directly in the
367  * nfs node, whereas larger ones are malloc'd. (This never happens when
368  * NFS_SMALLFH is set to 64.)
369  * NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
370  */
371 #ifndef NFS_SMALLFH
372 #define NFS_SMALLFH	128
373 #endif
374 union nfsfh {
375 	fhandle_t	fh_generic;
376 	u_char		fh_bytes[NFS_SMALLFH];
377 };
378 typedef union nfsfh nfsfh_t;
379 
380 struct nfsv2_time {
381 	u_int32_t	nfsv2_sec;
382 	u_int32_t	nfsv2_usec;
383 };
384 typedef struct nfsv2_time	nfstime2;
385 
386 struct nfsv3_time {
387 	u_int32_t	nfsv3_sec;
388 	u_int32_t	nfsv3_nsec;
389 };
390 typedef struct nfsv3_time	nfstime3;
391 
392 /*
393  * Quads are defined as arrays of 2 longs to ensure dense packing for the
394  * protocol and to facilitate xdr conversion.
395  */
396 struct nfs_uquad {
397 	u_int32_t	nfsuquad[2];
398 };
399 typedef	struct nfs_uquad	nfsuint64;
400 
401 /*
402  * Used to convert between two u_longs and a u_quad_t.
403  */
404 union nfs_quadconvert {
405 	u_int32_t	lval[2];
406 	u_quad_t	qval;
407 };
408 typedef union nfs_quadconvert	nfsquad_t;
409 
410 /*
411  * NFS Version 3 special file number.
412  */
413 struct nfsv3_spec {
414 	u_int32_t	specdata1;
415 	u_int32_t	specdata2;
416 };
417 typedef	struct nfsv3_spec	nfsv3spec;
418 
419 /*
420  * NFS Version 4 bitmap.
421  */
422 struct nfsv4_bitmap {
423 	uint32_t	bmlen;
424 	uint32_t	*bmval;
425 };
426 typedef struct nfsv4_bitmap nfsv4bitmap;
427 
428 struct nfsv4_changeinfo {
429 	u_int		ciatomic;
430 	uint64_t	cibefore;
431 	uint64_t	ciafter;
432 };
433 typedef struct nfsv4_changeinfo nfsv4changeinfo;
434 
435 /*
436  * File attributes and setable attributes. These structures cover both
437  * NFS version 2 and the version 3 protocol. Note that the union is only
438  * used so that one pointer can refer to both variants. These structures
439  * go out on the wire and must be densely packed, so no quad data types
440  * are used. (all fields are longs or u_longs or structures of same)
441  * NB: You can't do sizeof(struct nfs_fattr), you must use the
442  *     NFSX_FATTR(v3) macro.
443  */
444 struct nfs_fattr {
445 	u_int32_t	fa_type;
446 	u_int32_t	fa_mode;
447 	u_int32_t	fa_nlink;
448 	u_int32_t	fa_uid;
449 	u_int32_t	fa_gid;
450 	union {
451 		struct {
452 			u_int32_t	nfsv2fa_size;
453 			u_int32_t	nfsv2fa_blocksize;
454 			u_int32_t	nfsv2fa_rdev;
455 			u_int32_t	nfsv2fa_blocks;
456 			u_int32_t	nfsv2fa_fsid;
457 			u_int32_t	nfsv2fa_fileid;
458 			nfstime2	nfsv2fa_atime;
459 			nfstime2	nfsv2fa_mtime;
460 			nfstime2	nfsv2fa_ctime;
461 		} fa_nfsv2;
462 		struct {
463 			nfsuint64	nfsv3fa_size;
464 			nfsuint64	nfsv3fa_used;
465 			nfsv3spec	nfsv3fa_rdev;
466 			nfsuint64	nfsv3fa_fsid;
467 			nfsuint64	nfsv3fa_fileid;
468 			nfstime3	nfsv3fa_atime;
469 			nfstime3	nfsv3fa_mtime;
470 			nfstime3	nfsv3fa_ctime;
471 		} fa_nfsv3;
472 	} fa_un;
473 };
474 
475 /* and some ugly defines for accessing union components */
476 #define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
477 #define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
478 #define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
479 #define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
480 #define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
481 #define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
482 #define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
483 #define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
484 #define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
485 #define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
486 #define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
487 #define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
488 #define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
489 #define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
490 #define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
491 #define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
492 #define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime
493 
494 struct nfsv4_fattr {
495 	u_int		fa4_valid;
496 	nfstype		fa4_type;
497 	off_t		fa4_size;
498 	uint64_t	fa4_fsid_major;
499 	uint64_t	fa4_fsid_minor;
500 	uint64_t	fa4_fileid;
501 	mode_t		fa4_mode;
502 	nlink_t		fa4_nlink;
503 	uid_t		fa4_uid;
504 	gid_t		fa4_gid;
505 	uint32_t	fa4_rdev_major;
506 	uint32_t	fa4_rdev_minor;
507 	struct timespec	fa4_atime;
508 	struct timespec	fa4_btime;
509 	struct timespec	fa4_ctime;
510 	struct timespec	fa4_mtime;
511 	uint64_t	fa4_maxread;
512 	uint64_t	fa4_maxwrite;
513 	uint64_t	fa4_ffree;
514 	uint64_t	fa4_ftotal;
515 	uint32_t	fa4_maxname;
516 	uint64_t	fa4_savail;
517 	uint64_t	fa4_sfree;
518 	uint64_t	fa4_stotal;
519 	uint64_t	fa4_changeid;
520 	uint32_t	fa4_lease_time;
521 	uint64_t	fa4_maxfilesize;
522 };
523 
524 /* Flags for fa4_valid */
525 #define FA4V_SIZE	0x00000001
526 #define FA4V_FSID	0x00000002
527 #define FA4V_FILEID	0x00000004
528 #define FA4V_MODE	0x00000008
529 #define FA4V_NLINK	0x00000010
530 #define FA4V_UID	0x00000020
531 #define FA4V_GID	0x00000040
532 #define FA4V_RDEV	0x00000080
533 #define FA4V_ATIME	0x00000100
534 #define FA4V_BTIME	0x00000200
535 #define FA4V_CTIME	0x00000400
536 #define FA4V_MTIME	0x00000800
537 #define FA4V_MAXREAD	0x00001000
538 #define FA4V_MAXWRITE	0x00002000
539 #define FA4V_TYPE	0x00004000
540 #define FA4V_FFREE	0x00008000
541 #define FA4V_FTOTAL	0x00010000
542 #define FA4V_MAXNAME	0x00020000
543 #define FA4V_SAVAIL	0x00040000
544 #define FA4V_SFREE	0x00080000
545 #define FA4V_STOTAL	0x00100000
546 #define FA4V_CHANGEID	0x00200000
547 #define FA4V_LEASE_TIME	0x00400000
548 #define FA4V_MAXFILESIZE 0x00800000
549 #define FA4V_ACL	0x01000000
550 
551 /* Offsets into bitmask */
552 #define FA4_SUPPORTED_ATTRS	0
553 #define FA4_TYPE		1
554 #define FA4_FH_EXPIRE_TYPE	2
555 #define FA4_CHANGE		3
556 #define FA4_SIZE		4
557 #define FA4_LINK_SUPPORT	5
558 #define FA4_SYMLINK_SUPPORT	6
559 #define FA4_NAMED_ATTR		7
560 #define FA4_FSID		8
561 #define FA4_UNIQUE_HANDLES	9
562 #define FA4_LEASE_TIME		10
563 #define FA4_RDATTR_ERROR	11
564 #define FA4_ACL			12
565 #define FA4_ACLSUPPORT		13
566 #define FA4_ARCHIVE		14
567 #define FA4_CANSETTIME		15
568 #define FA4_CASE_INSENSITIVE	16
569 #define FA4_CASE_PRESERVING	17
570 #define FA4_CHOWN_RESTRICTED	18
571 #define FA4_FILEHANDLE		19
572 #define FA4_FILEID		20
573 #define FA4_FILES_AVAIL		21
574 #define FA4_FILES_FREE		22
575 #define FA4_FILES_TOTAL		23
576 #define FA4_FS_LOCATIONS	24
577 #define FA4_HIDDEN		25
578 #define FA4_HOMOGENEOUS		26
579 #define FA4_MAXFILESIZE		27
580 #define FA4_MAXLINK		28
581 #define FA4_MAXNAME		29
582 #define FA4_MAXREAD		30
583 #define FA4_MAXWRITE		31
584 #define FA4_MIMETYPE		32
585 #define FA4_MODE		33
586 #define FA4_NO_TRUNC		34
587 #define FA4_NUMLINKS		35
588 #define FA4_OWNER		36
589 #define FA4_OWNER_GROUP		37
590 #define FA4_QUOTA_HARD		38
591 #define FA4_QUOTA_SOFT		39
592 #define FA4_QUOTA_USED		40
593 #define FA4_RAWDEV		41
594 #define FA4_SPACE_AVAIL		42
595 #define FA4_SPACE_FREE		43
596 #define FA4_SPACE_TOTAL		44
597 #define FA4_SPACE_USED		45
598 #define FA4_SYSTEM		46
599 #define FA4_TIME_ACCESS		47
600 #define FA4_TIME_ACCESS_SET	48
601 #define FA4_TIME_BACKUP		49
602 #define FA4_TIME_CREATE		50
603 #define FA4_TIME_DELTA		51
604 #define FA4_TIME_METADATA	52
605 #define FA4_TIME_MODIFY		53
606 #define FA4_TIME_MODIFY_SET	54
607 #define FA4_ATTR_MAX		55
608 
609 /* Macros for v4 fattr manipulation */
610 #define FA4_SET(n, p)	((p)[(n)/32] |= (1 << ((n) % 32)))
611 #define FA4_CLR(n, p)	((p)[(n)/32] &= ~(1 << ((n) % 32)))
612 #define FA4_ISSET(n, p)	((p)[(n)/32] & (1 << ((n) % 32)))
613 #define FA4_ZERO(p)	bzero((p), 8)
614 #define FA4_SKIP(p)	((p) += 2)
615 
616 struct nfsv2_sattr {
617 	u_int32_t	sa_mode;
618 	u_int32_t	sa_uid;
619 	u_int32_t	sa_gid;
620 	u_int32_t	sa_size;
621 	nfstime2	sa_atime;
622 	nfstime2	sa_mtime;
623 };
624 
625 /*
626  * NFS Version 3 sattr structure for the new node creation case.
627  */
628 struct nfsv3_sattr {
629 	u_int32_t	sa_modetrue;
630 	u_int32_t	sa_mode;
631 	u_int32_t	sa_uidfalse;
632 	u_int32_t	sa_gidfalse;
633 	u_int32_t	sa_sizefalse;
634 	u_int32_t	sa_atimetype;
635 	nfstime3	sa_atime;
636 	u_int32_t	sa_mtimetype;
637 	nfstime3	sa_mtime;
638 };
639 
640 struct nfs_statfs {
641 	union {
642 		struct {
643 			u_int32_t	nfsv2sf_tsize;
644 			u_int32_t	nfsv2sf_bsize;
645 			u_int32_t	nfsv2sf_blocks;
646 			u_int32_t	nfsv2sf_bfree;
647 			u_int32_t	nfsv2sf_bavail;
648 		} sf_nfsv2;
649 		struct {
650 			nfsuint64	nfsv3sf_tbytes;
651 			nfsuint64	nfsv3sf_fbytes;
652 			nfsuint64	nfsv3sf_abytes;
653 			nfsuint64	nfsv3sf_tfiles;
654 			nfsuint64	nfsv3sf_ffiles;
655 			nfsuint64	nfsv3sf_afiles;
656 			u_int32_t	nfsv3sf_invarsec;
657 		} sf_nfsv3;
658 	} sf_un;
659 };
660 
661 #define sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
662 #define sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
663 #define sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
664 #define sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
665 #define sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
666 #define sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
667 #define sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
668 #define sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
669 #define sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
670 #define sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
671 #define sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
672 #define sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec
673 
674 struct nfsv3_fsinfo {
675 	u_int32_t	fs_rtmax;
676 	u_int32_t	fs_rtpref;
677 	u_int32_t	fs_rtmult;
678 	u_int32_t	fs_wtmax;
679 	u_int32_t	fs_wtpref;
680 	u_int32_t	fs_wtmult;
681 	u_int32_t	fs_dtpref;
682 	nfsuint64	fs_maxfilesize;
683 	nfstime3	fs_timedelta;
684 	u_int32_t	fs_properties;
685 };
686 
687 struct nfsv3_pathconf {
688 	u_int32_t	pc_linkmax;
689 	u_int32_t	pc_namemax;
690 	u_int32_t	pc_notrunc;
691 	u_int32_t	pc_chownrestricted;
692 	u_int32_t	pc_caseinsensitive;
693 	u_int32_t	pc_casepreserving;
694 };
695 
696 #endif
697