summaryrefslogtreecommitdiffstats
path: root/sys/nfs/nfsproto.h
blob: 2da7a66afce55314a42994ff1ba732ceae527049 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
/*-
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)nfsproto.h  8.2 (Berkeley) 3/30/95
 * $FreeBSD$
 */

#ifndef _NFS_NFSPROTO_H_
#define _NFS_NFSPROTO_H_

/*
 * nfs definitions as per the Version 2 and 3 specs
 */

/*
 * Constants as defined in the Sun NFS Version 2 and 3 specs.
 * "NFS: Network File System Protocol Specification" RFC1094
 * and in the "NFS: Network File System Version 3 Protocol
 * Specification"
 */

#define NFS_PORT	2049
#define	NFS_PROG	100003
#define NFS_VER2	2
#define	NFS_VER3	3
#define NFS_VER4	4

#define NFS_V2MAXDATA	8192
#define	NFS_MAXDGRAMDATA 16384
#define	NFS_MAXDATA	32768
#define	NFS_MAXPATHLEN	1024
#define	NFS_MAXNAMLEN	255
#define	NFS_MAXPKTHDR	404	/* XXXv4 this needs to be adjust for v4 */
#define NFS_MAXPACKET	(NFS_MAXPKTHDR + NFS_MAXDATA)
#define	NFS_MINPACKET	20
#define	NFS_FABLKSIZE	512	/* Size in bytes of a block wrt fa_blocks */

/* Stat numbers for rpc returns (version 2, 3 and 4) */
#define	NFS_OK			0
#define	NFSERR_PERM		1
#define	NFSERR_NOENT		2
#define	NFSERR_IO		5
#define	NFSERR_NXIO		6
#define	NFSERR_ACCES		13
#define	NFSERR_EXIST		17
#define	NFSERR_XDEV		18	/* Version 3 only */
#define	NFSERR_NODEV		19
#define	NFSERR_NOTDIR		20
#define	NFSERR_ISDIR		21
#define	NFSERR_INVAL		22	/* Version 3 only */
#define	NFSERR_FBIG		27
#define	NFSERR_NOSPC		28
#define	NFSERR_ROFS		30
#define	NFSERR_MLINK		31	/* Version 3 only */
#define	NFSERR_NAMETOL		63
#define	NFSERR_NOTEMPTY		66
#define	NFSERR_DQUOT		69
#define	NFSERR_STALE		70
#define	NFSERR_REMOTE		71	/* Version 3 only */
#define	NFSERR_WFLUSH		99	/* Version 2 only */
#define	NFSERR_BADHANDLE	10001	/* The rest Version 3, 4 only */
#define	NFSERR_NOT_SYNC		10002
#define	NFSERR_BAD_COOKIE	10003
#define	NFSERR_NOTSUPP		10004
#define	NFSERR_TOOSMALL		10005
#define	NFSERR_SERVERFAULT	10006
#define	NFSERR_BADTYPE		10007
#define	NFSERR_JUKEBOX		10008
#define NFSERR_TRYLATER		NFSERR_JUKEBOX
#define	NFSERR_SAME		10009   /* The rest Version 4 only */
#define	NFSERR_DENIED		10010
#define	NFSERR_EXPIRED		10011
#define	NFSERR_LOCKED		10012
#define	NFSERR_GRACE		10013
#define	NFSERR_FHEXPIRED	10014
#define	NFSERR_SHARDE_DENIED	10015
#define	NFSERR_WRONGSEC		10016
#define	NFSERR_CLID_INUSE	10017
#define	NFSERR_RESOURCE		10018
#define	NFSERR_MOVED		10019
#define	NFSERR_NOFILEHANDLE	10020
#define	NFSERR_MINOR_VERS_MISMATCH 10021
#define	NFSERR_STALE_CLIENTID	10022
#define	NFSERR_STALE_STATEID	10023
#define	NFSERR_OLD_STATEID	10024
#define	NFSERR_BAD_STATEID	10025
#define	NFSERR_BAD_SEQID	10026
#define	NFSERR_NOT_SAME		10027
#define	NFSERR_LOCK_RANGE	10028
#define	NFSERR_SYMLINK		10029
#define	NFSERR_READDIR_NOSPC	10030
#define	NFSERR_LEASE_MOVED	10031
#define	NFSERR_ATTRNOTSUPP	10032
#define	NFSERR_NO_GRACE		10033
#define	NFSERR_RECLAIM_BAD	10034
#define	NFSERR_RECLAIM_CONFLICT	10035
#define	NFSERR_BADXDR		10036
#define	NFSERR_LOCKS_HELD	10037
#define	NFSERR_OPENMODE		10038
#define	NFSERR_BADOWNER		10039
#define	NFSERR_BADCHAR		10040
#define	NFSERR_BADNAME		10041
#define	NFSERR_BAD_RANGE	10042
#define	NFSERR_LOCK_NOTSUPP	10043
#define	NFSERR_OP_ILLEGAL	10044
#define	NFSERR_DEADLOCK		10045
#define	NFSERR_FILE_OPEN	10046
#define	NFSERR_STALEWRITEVERF	30001	/* Fake return for nfs_commit() */



#define NFSERR_RETVOID		0x20000000 /* Return void, not error */
#define NFSERR_AUTHERR		0x40000000 /* Mark an authentication error */
#define NFSERR_RETERR		0x80000000 /* Mark an error return for V3 */

/* Sizes in bytes of various nfs rpc components */
#define	NFSX_UNSIGNED	4

/* specific to NFS Version 2 */
#define	NFSX_V2FH	32
#define	NFSX_V2FATTR	68
#define	NFSX_V2SATTR	32
#define	NFSX_V2COOKIE	4
#define NFSX_V2STATFS	20

/* specific to NFS Version 3 */
#define NFSX_V3FH		(sizeof (fhandle_t)) /* size this server uses */
#define	NFSX_V3FHMAX		64	/* max. allowed by protocol */
#define NFSX_V3FATTR		84
#define NFSX_V3SATTR		60	/* max. all fields filled in */
#define NFSX_V3SRVSATTR		(sizeof (struct nfsv3_sattr))
#define NFSX_V3POSTOPATTR	(NFSX_V3FATTR + NFSX_UNSIGNED)
#define NFSX_V3WCCDATA		(NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
#define NFSX_V3COOKIEVERF 	8
#define NFSX_V3WRITEVERF 	8
#define NFSX_V3CREATEVERF	8
#define NFSX_V3STATFS		52
#define NFSX_V3FSINFO		48
#define NFSX_V3PATHCONF		24

/* specific to NFS Version 4 */
#define NFSX_V4VERF		8
#define NFSX_V4FH		128
#define NFSX_V4STATEID		16

/* variants for both versions */
#define NFSX_FH(v3)		((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
					NFSX_V2FH)
#define NFSX_SRVFH(v3)		((v3) ? NFSX_V3FH : NFSX_V2FH)
#define	NFSX_FATTR(v3)		((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
#define NFSX_PREOPATTR(v3)	((v3) ? (7 * NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPORFATTR(v3)	((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
					NFSX_V2FATTR)
#define NFSX_WCCDATA(v3)	((v3) ? NFSX_V3WCCDATA : 0)
#define NFSX_WCCORFATTR(v3)	((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
#define	NFSX_SATTR(v3)		((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
#define	NFSX_COOKIEVERF(v3)	((v3) ? NFSX_V3COOKIEVERF : 0)
#define	NFSX_WRITEVERF(v3)	((v3) ? NFSX_V3WRITEVERF : 0)
#define NFSX_READDIR(v3)	((v3) ? (5 * NFSX_UNSIGNED) : \
					(2 * NFSX_UNSIGNED))
#define	NFSX_STATFS(v3)		((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)

/* nfs rpc procedure numbers (before version mapping) */
#define	NFSPROC_NULL		0
#define	NFSPROC_GETATTR		1
#define	NFSPROC_SETATTR		2
#define	NFSPROC_LOOKUP		3
#define	NFSPROC_ACCESS		4
#define	NFSPROC_READLINK	5
#define	NFSPROC_READ		6
#define	NFSPROC_WRITE		7
#define	NFSPROC_CREATE		8
#define	NFSPROC_MKDIR		9
#define	NFSPROC_SYMLINK		10
#define	NFSPROC_MKNOD		11
#define	NFSPROC_REMOVE		12
#define	NFSPROC_RMDIR		13
#define	NFSPROC_RENAME		14
#define	NFSPROC_LINK		15
#define	NFSPROC_READDIR		16
#define	NFSPROC_READDIRPLUS	17
#define	NFSPROC_FSSTAT		18
#define	NFSPROC_FSINFO		19
#define	NFSPROC_PATHCONF	20
#define	NFSPROC_COMMIT		21
#define NFSPROC_NOOP		22
#define	NFS_NPROCS		23

/* Actual Version 2 procedure numbers */
#define	NFSV2PROC_NULL		0
#define	NFSV2PROC_GETATTR	1
#define	NFSV2PROC_SETATTR	2
#define	NFSV2PROC_NOOP		3
#define	NFSV2PROC_ROOT		NFSV2PROC_NOOP	/* Obsolete */
#define	NFSV2PROC_LOOKUP	4
#define	NFSV2PROC_READLINK	5
#define	NFSV2PROC_READ		6
#define	NFSV2PROC_WRITECACHE	NFSV2PROC_NOOP	/* Obsolete */
#define	NFSV2PROC_WRITE		8
#define	NFSV2PROC_CREATE	9
#define	NFSV2PROC_REMOVE	10
#define	NFSV2PROC_RENAME	11
#define	NFSV2PROC_LINK		12
#define	NFSV2PROC_SYMLINK	13
#define	NFSV2PROC_MKDIR		14
#define	NFSV2PROC_RMDIR		15
#define	NFSV2PROC_READDIR	16
#define	NFSV2PROC_STATFS	17

/* Version 4 procedure numbers */
#define NFSV4PROC_NULL         0
#define NFSV4PROC_COMPOUND     1

/* Version 4 operation numbers */
#define NFSV4OP_ACCESS		3
#define NFSV4OP_CLOSE		4
#define NFSV4OP_COMMIT		5
#define NFSV4OP_CREATE		6
#define NFSV4OP_DELEGPURGE	7
#define NFSV4OP_DELEGRETURN	8
#define NFSV4OP_GETATTR		9
#define NFSV4OP_GETFH		10
#define NFSV4OP_LINK		11
#define NFSV4OP_LOCK		12
#define NFSV4OP_LOCKT		13
#define NFSV4OP_LOCKU		14
#define NFSV4OP_LOOKUP		15
#define NFSV4OP_LOOKUPP		16
#define NFSV4OP_NVERIFY		17
#define NFSV4OP_OPEN		18
#define NFSV4OP_OPENATTR	19
#define NFSV4OP_OPEN_CONFIRM	20
#define NFSV4OP_OPEN_DOWNGRADE	21
#define NFSV4OP_PUTFH		22
#define NFSV4OP_PUTPUBFH	23
#define NFSV4OP_PUTROOTFH	24
#define NFSV4OP_READ		25
#define NFSV4OP_READDIR		26
#define NFSV4OP_READLINK	27
#define NFSV4OP_REMOVE		28
#define NFSV4OP_RENAME		29
#define NFSV4OP_RENEW		30
#define NFSV4OP_RESTOREFH	31
#define NFSV4OP_SAVEFH		32
#define NFSV4OP_SECINFO		33
#define NFSV4OP_SETATTR		34
#define NFSV4OP_SETCLIENTID	35
#define NFSV4OP_SETCLIENTID_CONFIRM 36
#define NFSV4OP_VERIFY		37
#define NFSV4OP_WRITE		38

/*
 * Constants used by the Version 3 protocol for various RPCs
 */
#define NFSV3SATTRTIME_DONTCHANGE	0
#define NFSV3SATTRTIME_TOSERVER		1
#define NFSV3SATTRTIME_TOCLIENT		2

#define NFSV3ACCESS_READ		0x01
#define NFSV3ACCESS_LOOKUP		0x02
#define NFSV3ACCESS_MODIFY		0x04
#define NFSV3ACCESS_EXTEND		0x08
#define NFSV3ACCESS_DELETE		0x10
#define NFSV3ACCESS_EXECUTE		0x20

#define NFSV3WRITE_UNSTABLE		0
#define NFSV3WRITE_DATASYNC		1
#define NFSV3WRITE_FILESYNC		2

#define NFSV3CREATE_UNCHECKED		0
#define NFSV3CREATE_GUARDED		1
#define NFSV3CREATE_EXCLUSIVE		2

#define NFSV3FSINFO_LINK		0x01
#define NFSV3FSINFO_SYMLINK		0x02
#define NFSV3FSINFO_HOMOGENEOUS		0x08
#define NFSV3FSINFO_CANSETTIME		0x10

/*
 * Constants used by the Version 4 protocol for various RPCs
 */

#define NFSV4ACCESS_READ		0x01
#define NFSV4ACCESS_LOOKUP		0x02
#define NFSV4ACCESS_MODIFY		0x04
#define NFSV4ACCESS_EXTEND		0x08
#define NFSV4ACCESS_DELETE		0x10
#define NFSV4ACCESS_EXECUTE		0x20

#define NFSV4OPENRES_MLOCK		0x01
#define NFSV4OPENRES_CONFIRM		0x02

#define NFSV4OPENSHARE_ACCESS_READ	0x01
#define NFSV4OPENSHARE_ACCESS_WRITE	0x02
#define NFSV4OPENSHARE_ACCESS_BOTH	0x03
#define NFSV4OPENSHARE_DENY_NONE	0x00
#define NFSV4OPENSHARE_DENY_READ	0x01
#define NFSV4OPENSHARE_DENY_WRITE	0x02
#define NFSV4OPENSHARE_DENY_BOTH	0x03

/* File types */
typedef enum {
	NFNON=0,
	NFREG=1,
	NFDIR=2,
	NFBLK=3,
	NFCHR=4,
	NFLNK=5,
	NFSOCK=6,
	NFFIFO=7,
	NFATTRDIR = 8,
	NFNAMEDATTR = 9,
	NFBAD = 10,
} nfstype;	

/* NFSv4 claim type */
typedef enum {
	NCLNULL = 0,
	NCLPREV = 1,
	NCLDELEGCUR = 2,
	NCLDELEGPREV = 3,
} nfsv4cltype;

/* Other NFSv4 types */
typedef enum {
	NSHUNSTABLE = 0,
	NSHDATASYNC = 1,
	NSHFILESYNC = 2,
} nfsv4stablehow;

typedef enum { OTNOCREATE = 0, OTCREATE = 1 } nfsv4opentype;
typedef enum { CMUNCHECKED = 0, CMGUARDED = 1, CMEXCLUSIVE = 2 } nfsv4createmode;
typedef enum { THSERVERTIME = 0, THCLIENTTIME = 1 } nfsv4timehow;
typedef enum { ODNONE = 0, ODREAD = 1, ODWRITE = 2 } nfsv4opendelegtype;

/* Structs for common parts of the rpc's */

/*
 * File Handle (32 bytes for version 2), variable up to 64 for version 3.
 * File Handles of up to NFS_SMALLFH in size are stored directly in the
 * nfs node, whereas larger ones are malloc'd. (This never happens when
 * NFS_SMALLFH is set to 64.)
 * NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
 */
#ifndef NFS_SMALLFH
#define NFS_SMALLFH	128
#endif
union nfsfh {
	fhandle_t	fh_generic;
	u_char		fh_bytes[NFS_SMALLFH];
};
typedef union nfsfh nfsfh_t;

struct nfsv2_time {
	u_int32_t	nfsv2_sec;
	u_int32_t	nfsv2_usec;
};
typedef struct nfsv2_time	nfstime2;

struct nfsv3_time {
	u_int32_t	nfsv3_sec;
	u_int32_t	nfsv3_nsec;
};
typedef struct nfsv3_time	nfstime3;

/*
 * Quads are defined as arrays of 2 longs to ensure dense packing for the
 * protocol and to facilitate xdr conversion.
 */
struct nfs_uquad {
	u_int32_t	nfsuquad[2];
};
typedef	struct nfs_uquad	nfsuint64;

/*
 * Used to convert between two u_longs and a u_quad_t.
 */
union nfs_quadconvert {
	u_int32_t	lval[2];
	u_quad_t	qval;
};
typedef union nfs_quadconvert	nfsquad_t;

/*
 * NFS Version 3 special file number.
 */
struct nfsv3_spec {
	u_int32_t	specdata1;
	u_int32_t	specdata2;
};
typedef	struct nfsv3_spec	nfsv3spec;

/*
 * NFS Version 4 bitmap.
 */
struct nfsv4_bitmap {
	uint32_t	bmlen;
	uint32_t	*bmval;
};
typedef struct nfsv4_bitmap nfsv4bitmap;

struct nfsv4_changeinfo {
	u_int		ciatomic;
	uint64_t	cibefore;
	uint64_t	ciafter;
};
typedef struct nfsv4_changeinfo nfsv4changeinfo;

/*
 * File attributes and setable attributes. These structures cover both
 * NFS version 2 and the version 3 protocol. Note that the union is only
 * used so that one pointer can refer to both variants. These structures
 * go out on the wire and must be densely packed, so no quad data types
 * are used. (all fields are longs or u_longs or structures of same)
 * NB: You can't do sizeof(struct nfs_fattr), you must use the
 *     NFSX_FATTR(v3) macro.
 */
struct nfs_fattr {
	u_int32_t	fa_type;
	u_int32_t	fa_mode;
	u_int32_t	fa_nlink;
	u_int32_t	fa_uid;
	u_int32_t	fa_gid;
	union {
		struct {
			u_int32_t	nfsv2fa_size;
			u_int32_t	nfsv2fa_blocksize;
			u_int32_t	nfsv2fa_rdev;
			u_int32_t	nfsv2fa_blocks;
			u_int32_t	nfsv2fa_fsid;
			u_int32_t	nfsv2fa_fileid;
			nfstime2	nfsv2fa_atime;
			nfstime2	nfsv2fa_mtime;
			nfstime2	nfsv2fa_ctime;
		} fa_nfsv2;
		struct {
			nfsuint64	nfsv3fa_size;
			nfsuint64	nfsv3fa_used;
			nfsv3spec	nfsv3fa_rdev;
			nfsuint64	nfsv3fa_fsid;
			nfsuint64	nfsv3fa_fileid;
			nfstime3	nfsv3fa_atime;
			nfstime3	nfsv3fa_mtime;
			nfstime3	nfsv3fa_ctime;
		} fa_nfsv3;
	} fa_un;
};

/* and some ugly defines for accessing union components */
#define	fa2_size		fa_un.fa_nfsv2.nfsv2fa_size
#define	fa2_blocksize		fa_un.fa_nfsv2.nfsv2fa_blocksize
#define	fa2_rdev		fa_un.fa_nfsv2.nfsv2fa_rdev
#define	fa2_blocks		fa_un.fa_nfsv2.nfsv2fa_blocks
#define	fa2_fsid		fa_un.fa_nfsv2.nfsv2fa_fsid
#define	fa2_fileid		fa_un.fa_nfsv2.nfsv2fa_fileid
#define	fa2_atime		fa_un.fa_nfsv2.nfsv2fa_atime
#define	fa2_mtime		fa_un.fa_nfsv2.nfsv2fa_mtime
#define	fa2_ctime		fa_un.fa_nfsv2.nfsv2fa_ctime
#define	fa3_size		fa_un.fa_nfsv3.nfsv3fa_size
#define	fa3_used		fa_un.fa_nfsv3.nfsv3fa_used
#define	fa3_rdev		fa_un.fa_nfsv3.nfsv3fa_rdev
#define	fa3_fsid		fa_un.fa_nfsv3.nfsv3fa_fsid
#define	fa3_fileid		fa_un.fa_nfsv3.nfsv3fa_fileid
#define	fa3_atime		fa_un.fa_nfsv3.nfsv3fa_atime
#define	fa3_mtime		fa_un.fa_nfsv3.nfsv3fa_mtime
#define	fa3_ctime		fa_un.fa_nfsv3.nfsv3fa_ctime

struct nfsv4_fattr {
	u_int		fa4_valid;
	nfstype		fa4_type;
	off_t		fa4_size;
	uint64_t	fa4_fsid_major;
	uint64_t	fa4_fsid_minor;
	uint64_t	fa4_fileid;
	mode_t		fa4_mode;
	nlink_t		fa4_nlink;
	uid_t		fa4_uid;
	gid_t		fa4_gid;
	uint32_t	fa4_rdev_major;
	uint32_t	fa4_rdev_minor;
	struct timespec	fa4_atime;
	struct timespec	fa4_ctime;
	struct timespec	fa4_mtime;
	uint64_t	fa4_maxread;
	uint64_t	fa4_maxwrite;
	uint64_t	fa4_ffree;
	uint64_t	fa4_ftotal;
	uint32_t	fa4_maxname;
	uint64_t	fa4_savail;
	uint64_t	fa4_sfree;
	uint64_t	fa4_stotal;
	uint64_t	fa4_changeid;
	uint32_t	fa4_lease_time;
	uint64_t	fa4_maxfilesize;
};

/* Flags for fa4_valid */
#define FA4V_SIZE	0x00000001
#define FA4V_FSID	0x00000002
#define FA4V_FILEID	0x00000004
#define FA4V_MODE	0x00000008
#define FA4V_NLINK	0x00000010
#define FA4V_UID	0x00000020
#define FA4V_GID	0x00000040
#define FA4V_RDEV	0x00000080
#define FA4V_ATIME	0x00000100
#define FA4V_CTIME	0x00000200
#define FA4V_MTIME	0x00000400
#define FA4V_MAXREAD	0x00000800
#define FA4V_MAXWRITE	0x00001000
#define FA4V_TYPE	0x00002000
#define FA4V_FFREE	0x00004000
#define FA4V_FTOTAL	0x00008000
#define FA4V_MAXNAME	0x00010000
#define FA4V_SAVAIL	0x00020000
#define FA4V_SFREE	0x00040000
#define FA4V_STOTAL	0x00080000
#define FA4V_CHANGEID	0x00100000
#define FA4V_LEASE_TIME	0x00200000
#define FA4V_MAXFILESIZE 0x00400000
#define FA4V_ACL	0x00800000

/* Offsets into bitmask */
#define FA4_SUPPORTED_ATTRS	0
#define FA4_TYPE		1
#define FA4_FH_EXPIRE_TYPE	2
#define FA4_CHANGE		3
#define FA4_SIZE		4
#define FA4_LINK_SUPPORT	5
#define FA4_SYMLINK_SUPPORT	6
#define FA4_NAMED_ATTR		7
#define FA4_FSID		8
#define FA4_UNIQUE_HANDLES	9
#define FA4_LEASE_TIME		10
#define FA4_RDATTR_ERROR	11
#define FA4_ACL			12
#define FA4_ACLSUPPORT		13
#define FA4_ARCHIVE		14
#define FA4_CANSETTIME		15
#define FA4_CASE_INSENSITIVE	16
#define FA4_CASE_PRESERVING	17 
#define FA4_CHOWN_RESTRICTED	18
#define FA4_FILEHANDLE		19
#define FA4_FILEID		20
#define FA4_FILES_AVAIL		21
#define FA4_FILES_FREE		22
#define FA4_FILES_TOTAL		23
#define FA4_FS_LOCATIONS	24
#define FA4_HIDDEN		25
#define FA4_HOMOGENEOUS		26
#define FA4_MAXFILESIZE		27
#define FA4_MAXLINK		28
#define FA4_MAXNAME		29
#define FA4_MAXREAD		30
#define FA4_MAXWRITE		31
#define FA4_MIMETYPE		32
#define FA4_MODE		33
#define FA4_NO_TRUNC		34
#define FA4_NUMLINKS		35
#define FA4_OWNER		36
#define FA4_OWNER_GROUP		37
#define FA4_QUOTA_HARD		38
#define FA4_QUOTA_SOFT		39
#define FA4_QUOTA_USED		40
#define FA4_RAWDEV		41
#define FA4_SPACE_AVAIL		42
#define FA4_SPACE_FREE		43
#define FA4_SPACE_TOTAL		44
#define FA4_SPACE_USED		45
#define FA4_SYSTEM		46
#define FA4_TIME_ACCESS		47
#define FA4_TIME_ACCESS_SET	48
#define FA4_TIME_BACKUP		49
#define FA4_TIME_CREATE		50
#define FA4_TIME_DELTA		51
#define FA4_TIME_METADATA	52
#define FA4_TIME_MODIFY		53
#define FA4_TIME_MODIFY_SET	54
#define FA4_ATTR_MAX		55

/* Macros for v4 fattr manipulation */
#define FA4_SET(n, p)	((p)[(n)/32] |= (1 << ((n) % 32)))
#define FA4_CLR(n, p)	((p)[(n)/32] &= ~(1 << ((n) % 32)))
#define FA4_ISSET(n, p)	((p)[(n)/32] & (1 << ((n) % 32)))
#define FA4_ZERO(p)	bzero((p), 8)
#define FA4_SKIP(p)	((p) += 2)

struct nfsv2_sattr {
	u_int32_t	sa_mode;
	u_int32_t	sa_uid;
	u_int32_t	sa_gid;
	u_int32_t	sa_size;
	nfstime2	sa_atime;
	nfstime2	sa_mtime;
};

/*
 * NFS Version 3 sattr structure for the new node creation case.
 */
struct nfsv3_sattr {
	u_int32_t	sa_modetrue;
	u_int32_t	sa_mode;
	u_int32_t	sa_uidfalse;
	u_int32_t	sa_gidfalse;
	u_int32_t	sa_sizefalse;
	u_int32_t	sa_atimetype;
	nfstime3	sa_atime;
	u_int32_t	sa_mtimetype;
	nfstime3	sa_mtime;
};

struct nfs_statfs {
	union {
		struct {
			u_int32_t	nfsv2sf_tsize;
			u_int32_t	nfsv2sf_bsize;
			u_int32_t	nfsv2sf_blocks;
			u_int32_t	nfsv2sf_bfree;
			u_int32_t	nfsv2sf_bavail;
		} sf_nfsv2;
		struct {
			nfsuint64	nfsv3sf_tbytes;
			nfsuint64	nfsv3sf_fbytes;
			nfsuint64	nfsv3sf_abytes;
			nfsuint64	nfsv3sf_tfiles;
			nfsuint64	nfsv3sf_ffiles;
			nfsuint64	nfsv3sf_afiles;
			u_int32_t	nfsv3sf_invarsec;
		} sf_nfsv3;
	} sf_un;
};

#define sf_tsize	sf_un.sf_nfsv2.nfsv2sf_tsize
#define sf_bsize	sf_un.sf_nfsv2.nfsv2sf_bsize
#define sf_blocks	sf_un.sf_nfsv2.nfsv2sf_blocks
#define sf_bfree	sf_un.sf_nfsv2.nfsv2sf_bfree
#define sf_bavail	sf_un.sf_nfsv2.nfsv2sf_bavail
#define sf_tbytes	sf_un.sf_nfsv3.nfsv3sf_tbytes
#define sf_fbytes	sf_un.sf_nfsv3.nfsv3sf_fbytes
#define sf_abytes	sf_un.sf_nfsv3.nfsv3sf_abytes
#define sf_tfiles	sf_un.sf_nfsv3.nfsv3sf_tfiles
#define sf_ffiles	sf_un.sf_nfsv3.nfsv3sf_ffiles
#define sf_afiles	sf_un.sf_nfsv3.nfsv3sf_afiles
#define sf_invarsec	sf_un.sf_nfsv3.nfsv3sf_invarsec

struct nfsv3_fsinfo {
	u_int32_t	fs_rtmax;
	u_int32_t	fs_rtpref;
	u_int32_t	fs_rtmult;
	u_int32_t	fs_wtmax;
	u_int32_t	fs_wtpref;
	u_int32_t	fs_wtmult;
	u_int32_t	fs_dtpref;
	nfsuint64	fs_maxfilesize;
	nfstime3	fs_timedelta;
	u_int32_t	fs_properties;
};

struct nfsv3_pathconf {
	u_int32_t	pc_linkmax;
	u_int32_t	pc_namemax;
	u_int32_t	pc_notrunc;
	u_int32_t	pc_chownrestricted;
	u_int32_t	pc_caseinsensitive;
	u_int32_t	pc_casepreserving;
};

#endif
OpenPOWER on IntegriCloud