2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
37 #ifndef _NFS_NFSPORT_H_
38 #define _NFS_NFSPORT_H_
41 * In general, I'm not fond of #includes in .h files, but this seems
42 * to be the cleanest way to handle #include files for the ports.
45 #include <sys/unistd.h>
46 #include <sys/param.h>
47 #include <sys/systm.h>
49 #include <sys/dirent.h>
50 #include <sys/domain.h>
51 #include <sys/fcntl.h>
53 #include <sys/filedesc.h>
55 #include <sys/kernel.h>
56 #include <sys/lockf.h>
57 #include <sys/malloc.h>
59 #include <sys/mount.h>
60 #include <sys/mutex.h>
61 #include <sys/namei.h>
63 #include <sys/protosw.h>
64 #include <sys/reboot.h>
65 #include <sys/resourcevar.h>
66 #include <sys/signalvar.h>
67 #include <sys/socket.h>
68 #include <sys/socketvar.h>
70 #include <sys/syslog.h>
71 #include <sys/sysproto.h>
74 #include <sys/vnode.h>
78 #include <sys/module.h>
79 #include <sys/sysent.h>
80 #include <sys/syscall.h>
82 #include <sys/kthread.h>
83 #include <sys/syscallsubr.h>
85 #include <net/if_var.h>
86 #include <net/radix.h>
87 #include <net/route.h>
88 #include <net/if_dl.h>
89 #include <netinet/in.h>
90 #include <netinet/in_pcb.h>
91 #include <netinet/in_systm.h>
92 #include <netinet/in_var.h>
93 #include <netinet/ip.h>
94 #include <netinet/ip_var.h>
95 #include <netinet/tcp.h>
96 #include <netinet/tcp_fsm.h>
97 #include <netinet/tcp_seq.h>
98 #include <netinet/tcp_timer.h>
99 #include <netinet/tcp_var.h>
100 #include <machine/in_cksum.h>
101 #include <crypto/des/des.h>
104 #include <rpc/rpcsec_gss.h>
107 * For Darwin, these functions should be "static" when built in a kext.
108 * (This is always defined as nil otherwise.)
111 #include <ufs/ufs/dir.h>
112 #include <ufs/ufs/quota.h>
113 #include <ufs/ufs/inode.h>
114 #include <ufs/ufs/extattr.h>
115 #include <ufs/ufs/ufsmount.h>
118 #include <vm/vm_object.h>
119 #include <vm/vm_extern.h>
120 #include <nfs/nfssvc.h>
125 * These types must be defined before the nfs includes.
127 #define NFSSOCKADDR_T struct sockaddr *
128 #define NFSPROC_T struct thread
129 #define NFSDEV_T dev_t
130 #define NFSSVCARGS nfssvc_args
131 #define NFSACL_T struct acl
134 * These should be defined as the types used for the corresponding VOP's
137 #define NFS_ACCESS_ARGS struct vop_access_args
138 #define NFS_OPEN_ARGS struct vop_open_args
139 #define NFS_GETATTR_ARGS struct vop_getattr_args
140 #define NFS_LOOKUP_ARGS struct vop_lookup_args
141 #define NFS_READDIR_ARGS struct vop_readdir_args
144 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL.
146 #define NFSMGET(m) do { \
147 MGET((m), M_WAITOK, MT_DATA); \
148 while ((m) == NULL ) { \
149 (void) nfs_catnap(PZERO, 0, "nfsmget"); \
150 MGET((m), M_WAITOK, MT_DATA); \
153 #define NFSMGETHDR(m) do { \
154 MGETHDR((m), M_WAITOK, MT_DATA); \
155 while ((m) == NULL ) { \
156 (void) nfs_catnap(PZERO, 0, "nfsmget"); \
157 MGETHDR((m), M_WAITOK, MT_DATA); \
160 #define NFSMCLGET(m, w) do { \
161 MGET((m), M_WAITOK, MT_DATA); \
162 while ((m) == NULL ) { \
163 (void) nfs_catnap(PZERO, 0, "nfsmget"); \
164 MGET((m), M_WAITOK, MT_DATA); \
168 #define NFSMCLGETHDR(m, w) do { \
169 MGETHDR((m), M_WAITOK, MT_DATA); \
170 while ((m) == NULL ) { \
171 (void) nfs_catnap(PZERO, 0, "nfsmget"); \
172 MGETHDR((m), M_WAITOK, MT_DATA); \
177 * Client side constant for size of a lockowner name.
179 #define NFSV4CL_LOCKNAMELEN 12
182 * Type for a mutex lock.
184 #define NFSMUTEX_T struct mtx
189 * NFSv4 Operation numbers.
191 #define NFSV4OP_ACCESS 3
192 #define NFSV4OP_CLOSE 4
193 #define NFSV4OP_COMMIT 5
194 #define NFSV4OP_CREATE 6
195 #define NFSV4OP_DELEGPURGE 7
196 #define NFSV4OP_DELEGRETURN 8
197 #define NFSV4OP_GETATTR 9
198 #define NFSV4OP_GETFH 10
199 #define NFSV4OP_LINK 11
200 #define NFSV4OP_LOCK 12
201 #define NFSV4OP_LOCKT 13
202 #define NFSV4OP_LOCKU 14
203 #define NFSV4OP_LOOKUP 15
204 #define NFSV4OP_LOOKUPP 16
205 #define NFSV4OP_NVERIFY 17
206 #define NFSV4OP_OPEN 18
207 #define NFSV4OP_OPENATTR 19
208 #define NFSV4OP_OPENCONFIRM 20
209 #define NFSV4OP_OPENDOWNGRADE 21
210 #define NFSV4OP_PUTFH 22
211 #define NFSV4OP_PUTPUBFH 23
212 #define NFSV4OP_PUTROOTFH 24
213 #define NFSV4OP_READ 25
214 #define NFSV4OP_READDIR 26
215 #define NFSV4OP_READLINK 27
216 #define NFSV4OP_REMOVE 28
217 #define NFSV4OP_RENAME 29
218 #define NFSV4OP_RENEW 30
219 #define NFSV4OP_RESTOREFH 31
220 #define NFSV4OP_SAVEFH 32
221 #define NFSV4OP_SECINFO 33
222 #define NFSV4OP_SETATTR 34
223 #define NFSV4OP_SETCLIENTID 35
224 #define NFSV4OP_SETCLIENTIDCFRM 36
225 #define NFSV4OP_VERIFY 37
226 #define NFSV4OP_WRITE 38
227 #define NFSV4OP_RELEASELCKOWN 39
230 * Must be one greater than the last Operation#.
232 #define NFSV4OP_NOPS 40
235 * Additional Ops for NFSv4.1.
237 #define NFSV4OP_BACKCHANNELCTL 40
238 #define NFSV4OP_BINDCONNTOSESS 41
239 #define NFSV4OP_EXCHANGEID 42
240 #define NFSV4OP_CREATESESSION 43
241 #define NFSV4OP_DESTROYSESSION 44
242 #define NFSV4OP_FREESTATEID 45
243 #define NFSV4OP_GETDIRDELEG 46
244 #define NFSV4OP_GETDEVINFO 47
245 #define NFSV4OP_GETDEVLIST 48
246 #define NFSV4OP_LAYOUTCOMMIT 49
247 #define NFSV4OP_LAYOUTGET 50
248 #define NFSV4OP_LAYOUTRETURN 51
249 #define NFSV4OP_SECINFONONAME 52
250 #define NFSV4OP_SEQUENCE 53
251 #define NFSV4OP_SETSSV 54
252 #define NFSV4OP_TESTSTATEID 55
253 #define NFSV4OP_WANTDELEG 56
254 #define NFSV4OP_DESTROYCLIENTID 57
255 #define NFSV4OP_RECLAIMCOMPL 58
258 * Must be one more than last op#.
260 #define NFSV41_NOPS 59
263 * Additional operations for NFSv4.2.
265 #define NFSV4OP_ALLOCATE 59
266 #define NFSV4OP_COPY 60
267 #define NFSV4OP_COPYNOTIFY 61
268 #define NFSV4OP_DEALLOCATE 62
269 #define NFSV4OP_IOADVISE 63
270 #define NFSV4OP_LAYOUTERROR 64
271 #define NFSV4OP_LAYOUTSTATS 65
272 #define NFSV4OP_OFFLOADCANCEL 66
273 #define NFSV4OP_OFFLOADSTATUS 67
274 #define NFSV4OP_READPLUS 68
275 #define NFSV4OP_SEEK 69
276 #define NFSV4OP_WRITESAME 70
277 #define NFSV4OP_CLONE 71
279 /* One greater than the last Operation # defined in RFC-7862. */
280 #define NFSV42_PURENOPS 72
282 /* and the optional Extended attribute operations (RFC-8276). */
283 #define NFSV4OP_GETXATTR 72
284 #define NFSV4OP_SETXATTR 73
285 #define NFSV4OP_LISTXATTRS 74
286 #define NFSV4OP_REMOVEXATTR 75
289 * Must be one more than the last NFSv4.2 op#.
291 #define NFSV42_NOPS 76
293 /* Quirky case if the illegal op code */
294 #define NFSV4OP_OPILLEGAL 10044
297 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV42_NOPS.
299 #define NFSV4OP_SYMLINK (NFSV42_NOPS)
300 #define NFSV4OP_MKDIR (NFSV42_NOPS + 1)
301 #define NFSV4OP_RMDIR (NFSV42_NOPS + 2)
302 #define NFSV4OP_READDIRPLUS (NFSV42_NOPS + 3)
303 #define NFSV4OP_MKNOD (NFSV42_NOPS + 4)
304 #define NFSV4OP_FSSTAT (NFSV42_NOPS + 5)
305 #define NFSV4OP_FSINFO (NFSV42_NOPS + 6)
306 #define NFSV4OP_PATHCONF (NFSV42_NOPS + 7)
307 #define NFSV4OP_V3CREATE (NFSV42_NOPS + 8)
310 * This is the count of the fake operations listed above.
312 #define NFSV4OP_FAKENOPS 9
315 * and the Callback OPs
317 #define NFSV4OP_CBGETATTR 3
318 #define NFSV4OP_CBRECALL 4
321 * Must be one greater than the last Callback Operation# for NFSv4.0.
323 #define NFSV4OP_CBNOPS 5
326 * Additional Callback Ops for NFSv4.1 only.
328 #define NFSV4OP_CBLAYOUTRECALL 5
329 #define NFSV4OP_CBNOTIFY 6
330 #define NFSV4OP_CBPUSHDELEG 7
331 #define NFSV4OP_CBRECALLANY 8
332 #define NFSV4OP_CBRECALLOBJAVAIL 9
333 #define NFSV4OP_CBRECALLSLOT 10
334 #define NFSV4OP_CBSEQUENCE 11
335 #define NFSV4OP_CBWANTCANCELLED 12
336 #define NFSV4OP_CBNOTIFYLOCK 13
337 #define NFSV4OP_CBNOTIFYDEVID 14
339 #define NFSV41_CBNOPS 15
342 * Additional callback operations for NFSv4.2.
344 #define NFSV4OP_CBOFFLOAD 15
346 #define NFSV42_CBNOPS 16
349 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
350 * numbers used by NFSv4.
351 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
352 * one greater than the last number.
355 #define NFS_V3NPROCS 22
357 #define NFSPROC_LOOKUPP 22
358 #define NFSPROC_SETCLIENTID 23
359 #define NFSPROC_SETCLIENTIDCFRM 24
360 #define NFSPROC_LOCK 25
361 #define NFSPROC_LOCKU 26
362 #define NFSPROC_OPEN 27
363 #define NFSPROC_CLOSE 28
364 #define NFSPROC_OPENCONFIRM 29
365 #define NFSPROC_LOCKT 30
366 #define NFSPROC_OPENDOWNGRADE 31
367 #define NFSPROC_RENEW 32
368 #define NFSPROC_PUTROOTFH 33
369 #define NFSPROC_RELEASELCKOWN 34
370 #define NFSPROC_DELEGRETURN 35
371 #define NFSPROC_RETDELEGREMOVE 36
372 #define NFSPROC_RETDELEGRENAME1 37
373 #define NFSPROC_RETDELEGRENAME2 38
374 #define NFSPROC_GETACL 39
375 #define NFSPROC_SETACL 40
378 * Must be defined as one higher than the last Proc# above.
380 #define NFSV4_NPROCS 41
382 /* Additional procedures for NFSv4.1. */
383 #define NFSPROC_EXCHANGEID 41
384 #define NFSPROC_CREATESESSION 42
385 #define NFSPROC_DESTROYSESSION 43
386 #define NFSPROC_DESTROYCLIENT 44
387 #define NFSPROC_FREESTATEID 45
388 #define NFSPROC_LAYOUTGET 46
389 #define NFSPROC_GETDEVICEINFO 47
390 #define NFSPROC_LAYOUTCOMMIT 48
391 #define NFSPROC_LAYOUTRETURN 49
392 #define NFSPROC_RECLAIMCOMPL 50
393 #define NFSPROC_WRITEDS 51
394 #define NFSPROC_READDS 52
395 #define NFSPROC_COMMITDS 53
396 #define NFSPROC_OPENLAYGET 54
397 #define NFSPROC_CREATELAYGET 55
400 * Must be defined as one higher than the last NFSv4.1 Proc# above.
402 #define NFSV41_NPROCS 56
404 /* Additional procedures for NFSv4.2. */
405 #define NFSPROC_IOADVISE 56
406 #define NFSPROC_ALLOCATE 57
407 #define NFSPROC_COPY 58
408 #define NFSPROC_SEEK 59
409 #define NFSPROC_SEEKDS 60
411 /* and the ones for the optional Extended attribute support (RFC-8276). */
412 #define NFSPROC_GETEXTATTR 61
413 #define NFSPROC_SETEXTATTR 62
414 #define NFSPROC_RMEXTATTR 63
415 #define NFSPROC_LISTEXTATTR 64
418 * Must be defined as one higher than the last NFSv4.2 Proc# above.
420 #define NFSV42_NPROCS 65
422 #endif /* NFS_V3NPROCS */
425 * Newest stats structure.
426 * The vers field will be set to NFSSTATS_V1 by the caller.
428 #define NFSSTATS_V1 2
430 int vers; /* Set to version requested by caller. */
431 uint64_t attrcache_hits;
432 uint64_t attrcache_misses;
433 uint64_t lookupcache_hits;
434 uint64_t lookupcache_misses;
435 uint64_t direofcache_hits;
436 uint64_t direofcache_misses;
437 uint64_t accesscache_hits;
438 uint64_t accesscache_misses;
439 uint64_t biocache_reads;
441 uint64_t read_physios;
442 uint64_t biocache_writes;
444 uint64_t write_physios;
445 uint64_t biocache_readlinks;
446 uint64_t readlink_bios;
447 uint64_t biocache_readdirs;
448 uint64_t readdir_bios;
449 uint64_t rpccnt[NFSV42_NPROCS + 15];
451 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15];
452 uint64_t srvrpc_errs;
454 uint64_t rpcrequests;
455 uint64_t rpctimeouts;
456 uint64_t rpcunexpected;
458 uint64_t srvcache_inproghits;
459 uint64_t srvcache_idemdonehits;
460 uint64_t srvcache_nonidemdonehits;
461 uint64_t srvcache_misses;
462 uint64_t srvcache_tcppeak;
463 int srvcache_size; /* Updated by atomic_xx_int(). */
465 uint64_t srvopenowners;
467 uint64_t srvlockowners;
469 uint64_t srvdelegates;
470 uint64_t cbrpccnt[NFSV42_CBNOPS + 10];
471 uint64_t clopenowners;
473 uint64_t cllockowners;
475 uint64_t cldelegates;
476 uint64_t cllocalopenowners;
477 uint64_t cllocalopens;
478 uint64_t cllocallockowners;
479 uint64_t cllocallocks;
480 uint64_t srvstartcnt;
482 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15];
483 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15];
484 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15];
485 struct bintime busyfrom;
486 struct bintime busytime;
490 * Newer stats structure.
491 * The vers field will be set to NFSSTATS_OV1 by the caller.
493 #define NFSSTATS_OV1 1
495 int vers; /* Set to version requested by caller. */
496 uint64_t attrcache_hits;
497 uint64_t attrcache_misses;
498 uint64_t lookupcache_hits;
499 uint64_t lookupcache_misses;
500 uint64_t direofcache_hits;
501 uint64_t direofcache_misses;
502 uint64_t accesscache_hits;
503 uint64_t accesscache_misses;
504 uint64_t biocache_reads;
506 uint64_t read_physios;
507 uint64_t biocache_writes;
509 uint64_t write_physios;
510 uint64_t biocache_readlinks;
511 uint64_t readlink_bios;
512 uint64_t biocache_readdirs;
513 uint64_t readdir_bios;
514 uint64_t rpccnt[NFSV42_NPROCS + 4];
516 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS];
517 uint64_t srvrpc_errs;
519 uint64_t rpcrequests;
520 uint64_t rpctimeouts;
521 uint64_t rpcunexpected;
523 uint64_t srvcache_inproghits;
524 uint64_t srvcache_idemdonehits;
525 uint64_t srvcache_nonidemdonehits;
526 uint64_t srvcache_misses;
527 uint64_t srvcache_tcppeak;
528 int srvcache_size; /* Updated by atomic_xx_int(). */
530 uint64_t srvopenowners;
532 uint64_t srvlockowners;
534 uint64_t srvdelegates;
535 uint64_t cbrpccnt[NFSV42_CBNOPS];
536 uint64_t clopenowners;
538 uint64_t cllockowners;
540 uint64_t cldelegates;
541 uint64_t cllocalopenowners;
542 uint64_t cllocalopens;
543 uint64_t cllocallockowners;
544 uint64_t cllocallocks;
545 uint64_t srvstartcnt;
547 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS];
548 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS];
549 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS];
550 struct bintime busyfrom;
551 struct bintime busytime;
555 * Old stats structure.
557 struct ext_nfsstats {
559 int attrcache_misses;
560 int lookupcache_hits;
561 int lookupcache_misses;
562 int direofcache_hits;
563 int direofcache_misses;
564 int accesscache_hits;
565 int accesscache_misses;
572 int biocache_readlinks;
574 int biocache_readdirs;
576 int rpccnt[NFSV4_NPROCS];
578 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS];
585 int srvcache_inproghits;
586 int srvcache_idemdonehits;
587 int srvcache_nonidemdonehits;
589 int srvcache_tcppeak;
597 int cbrpccnt[NFSV4OP_CBNOPS];
603 int cllocalopenowners;
605 int cllocallockowners;
611 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
614 #define NFS_NPROCS NFSV4_NPROCS
617 #include <fs/nfs/nfskpiport.h>
618 #include <fs/nfs/nfsdport.h>
619 #include <fs/nfs/rpcv2.h>
620 #include <fs/nfs/nfsproto.h>
621 #include <fs/nfs/nfs.h>
622 #include <fs/nfs/nfsclstate.h>
623 #include <fs/nfs/nfs_var.h>
624 #include <fs/nfs/nfsm_subs.h>
625 #include <fs/nfs/nfsrvcache.h>
626 #include <fs/nfs/nfsrvstate.h>
627 #include <fs/nfs/xdr_subs.h>
628 #include <fs/nfs/nfscl.h>
629 #include <nfsclient/nfsargs.h>
630 #include <fs/nfsclient/nfsmount.h>
633 * Just to keep nfs_var.h happy.
640 struct vattr na_vattr;
641 nfsattrbit_t na_suppattr;
642 u_int64_t na_mntonfileno;
643 u_int64_t na_filesid[2];
646 #define na_type na_vattr.va_type
647 #define na_mode na_vattr.va_mode
648 #define na_nlink na_vattr.va_nlink
649 #define na_uid na_vattr.va_uid
650 #define na_gid na_vattr.va_gid
651 #define na_fsid na_vattr.va_fsid
652 #define na_fileid na_vattr.va_fileid
653 #define na_size na_vattr.va_size
654 #define na_blocksize na_vattr.va_blocksize
655 #define na_atime na_vattr.va_atime
656 #define na_mtime na_vattr.va_mtime
657 #define na_ctime na_vattr.va_ctime
658 #define na_gen na_vattr.va_gen
659 #define na_flags na_vattr.va_flags
660 #define na_rdev na_vattr.va_rdev
661 #define na_bytes na_vattr.va_bytes
662 #define na_filerev na_vattr.va_filerev
663 #define na_vaflags na_vattr.va_vaflags
665 #include <fs/nfsclient/nfsnode.h>
668 * This is the header structure used for the lists, etc. (It has the
669 * above record in it.
671 struct nfsrv_stablefirst {
672 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */
673 time_t nsf_eograce; /* Time grace period ends */
674 time_t *nsf_bootvals; /* Previous boottime values */
675 struct file *nsf_fp; /* File table pointer */
676 u_char nsf_flags; /* NFSNSF_ flags */
677 struct nfsf_rec nsf_rec; /* and above first record */
679 #define nsf_lease nsf_rec.lease
680 #define nsf_numboots nsf_rec.numboots
682 /* NFSNSF_xxx flags */
683 #define NFSNSF_UPDATEDONE 0x01
684 #define NFSNSF_GRACEOVER 0x02
685 #define NFSNSF_NEEDLOCK 0x04
686 #define NFSNSF_EXPIREDCLIENT 0x08
687 #define NFSNSF_NOOPENS 0x10
688 #define NFSNSF_OK 0x20
691 * Maximum number of boot times allowed in record. Although there is
692 * really no need for a fixed upper bound, this serves as a sanity check
693 * for a corrupted file.
695 #define NFSNSF_MAXNUMBOOTS 10000
698 * This structure defines the other records in the file. The
699 * nst_client array is actually the size of the client string name.
706 /* and the values for flag */
707 #define NFSNST_NEWSTATE 0x1
708 #define NFSNST_REVOKE 0x2
709 #define NFSNST_GOTSTATE 0x4
710 #define NFSNST_RECLAIMED 0x8
713 * This structure is linked onto nfsrv_stablefirst for the duration of
716 struct nfsrv_stable {
717 LIST_ENTRY(nfsrv_stable) nst_list;
718 struct nfsclient *nst_clp;
719 struct nfst_rec nst_rec;
721 #define nst_timestamp nst_rec.timestamp
722 #define nst_len nst_rec.len
723 #define nst_flag nst_rec.flag
724 #define nst_client nst_rec.client
727 * At some point the server will run out of kernel storage for
728 * state structures. For FreeBSD5.2, this results in a panic
729 * kmem_map is full. It happens at well over 1000000 opens plus
730 * locks on a PIII-800 with 256Mbytes, so that is where I've set
731 * the limit. If your server panics due to too many opens/locks,
732 * decrease the size of NFSRV_V4STATELIMIT. If you find the server
733 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try
736 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */
739 * The type required differs with BSDen (just the second arg).
741 void nfsrvd_rcv(struct socket *, void *, int);
744 * Macros for handling socket addresses. (Hopefully this makes the code
745 * more portable, since I've noticed some 'BSD don't have sockaddrs in
748 #define NFSSOCKADDR(a, t) ((t)(a))
749 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s))
752 * These should be defined as a process or thread structure, as required
753 * for signal handling, etc.
755 #define NFSNEWCRED(c) (crdup(c))
756 #define NFSPROCCRED(p) ((p)->td_ucred)
757 #define NFSFREECRED(c) (crfree(c))
758 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL)
759 #define NFSPROCP(p) ((p)->td_proc)
762 * Define these so that cn_hash and its length is ignored.
764 #define NFSCNHASHZERO(c)
765 #define NFSCNHASH(c, v)
766 #define NCHNAMLEN 9999999
769 * These macros are defined to initialize and set the timer routine.
771 #define NFS_TIMERINIT \
777 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex
778 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex)
779 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex)
780 #define NFSSTATEMUTEXPTR (&nfs_state_mutex)
781 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex
782 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex)
783 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex)
784 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex
785 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex)
786 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex)
787 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex)
788 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex
789 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex)
790 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex)
791 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex)
792 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED)
793 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex
794 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex)
795 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex)
796 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex)
797 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx
798 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx)
799 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx)
800 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx)
801 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED)
802 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED)
803 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex
804 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex)
805 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex)
806 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex)
807 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx))
808 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx))
809 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED)
810 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx))
811 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx))
812 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex)
813 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex)
814 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED)
815 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx))
816 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx))
817 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx))
818 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx))
819 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx))
820 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx))
821 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx))
822 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx))
823 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx))
824 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx))
825 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx))
826 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx))
827 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx)
828 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx)
829 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx)
830 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx)
831 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx)
832 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx)
833 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx)
834 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx)
835 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx)
838 * Use these macros to initialize/free a mutex.
840 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF)
841 #define NFSFREEMUTEX(m) mtx_destroy((m))
843 int nfsmsleep(void *, void *, int, const char *, struct timespec *);
846 * And weird vm stuff in the nfs server.
848 #define PDIRUNLOCK 0x0
849 #define MAX_COMMIT_COUNT (1024 * 1024)
852 * Define these to handle the type of va_rdev.
854 #define NFSMAKEDEV(m, n) makedev((m), (n))
855 #define NFSMAJOR(d) major(d)
856 #define NFSMINOR(d) minor(d)
859 * The vnode tag for nfsv4root.
861 #define VT_NFSV4ROOT "nfsv4root"
864 * Define whatever it takes to do a vn_rdwr().
866 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \
867 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p))
870 * Macros for handling memory for different BSDen.
871 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping
872 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap
873 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same
874 * NFSBZERO(cp, len) - set len bytes to 0x0
876 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l))
877 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l))
878 #define NFSBCMP(s, d, l) bcmp((s), (d), (l))
879 #define NFSBZERO(s, l) bzero((s), (l))
882 * Some queue.h files don't have these dfined in them.
884 #define LIST_END(head) NULL
885 #define SLIST_END(head) NULL
886 #define TAILQ_END(head) NULL
889 * This must be defined to be a global variable that increments once
890 * per second, but never stops or goes backwards, even when a "date"
891 * command changes the TOD clock. It is used for delta times for
894 #define NFSD_MONOSEC time_uptime
897 * Declare the malloc types.
899 MALLOC_DECLARE(M_NEWNFSRVCACHE);
900 MALLOC_DECLARE(M_NEWNFSDCLIENT);
901 MALLOC_DECLARE(M_NEWNFSDSTATE);
902 MALLOC_DECLARE(M_NEWNFSDLOCK);
903 MALLOC_DECLARE(M_NEWNFSDLOCKFILE);
904 MALLOC_DECLARE(M_NEWNFSSTRING);
905 MALLOC_DECLARE(M_NEWNFSUSERGROUP);
906 MALLOC_DECLARE(M_NEWNFSDREQ);
907 MALLOC_DECLARE(M_NEWNFSFH);
908 MALLOC_DECLARE(M_NEWNFSCLOWNER);
909 MALLOC_DECLARE(M_NEWNFSCLOPEN);
910 MALLOC_DECLARE(M_NEWNFSCLDELEG);
911 MALLOC_DECLARE(M_NEWNFSCLCLIENT);
912 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER);
913 MALLOC_DECLARE(M_NEWNFSCLLOCK);
914 MALLOC_DECLARE(M_NEWNFSDIROFF);
915 MALLOC_DECLARE(M_NEWNFSV4NODE);
916 MALLOC_DECLARE(M_NEWNFSDIRECTIO);
917 MALLOC_DECLARE(M_NEWNFSMNT);
918 MALLOC_DECLARE(M_NEWNFSDROLLBACK);
919 MALLOC_DECLARE(M_NEWNFSLAYOUT);
920 MALLOC_DECLARE(M_NEWNFSFLAYOUT);
921 MALLOC_DECLARE(M_NEWNFSDEVINFO);
922 MALLOC_DECLARE(M_NEWNFSSOCKREQ);
923 MALLOC_DECLARE(M_NEWNFSCLDS);
924 MALLOC_DECLARE(M_NEWNFSLAYRECALL);
925 MALLOC_DECLARE(M_NEWNFSDSESSION);
926 #define M_NFSRVCACHE M_NEWNFSRVCACHE
927 #define M_NFSDCLIENT M_NEWNFSDCLIENT
928 #define M_NFSDSTATE M_NEWNFSDSTATE
929 #define M_NFSDLOCK M_NEWNFSDLOCK
930 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE
931 #define M_NFSSTRING M_NEWNFSSTRING
932 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP
933 #define M_NFSDREQ M_NEWNFSDREQ
934 #define M_NFSFH M_NEWNFSFH
935 #define M_NFSCLOWNER M_NEWNFSCLOWNER
936 #define M_NFSCLOPEN M_NEWNFSCLOPEN
937 #define M_NFSCLDELEG M_NEWNFSCLDELEG
938 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT
939 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER
940 #define M_NFSCLLOCK M_NEWNFSCLLOCK
941 #define M_NFSDIROFF M_NEWNFSDIROFF
942 #define M_NFSV4NODE M_NEWNFSV4NODE
943 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO
944 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK
945 #define M_NFSLAYOUT M_NEWNFSLAYOUT
946 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT
947 #define M_NFSDEVINFO M_NEWNFSDEVINFO
948 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ
949 #define M_NFSCLDS M_NEWNFSCLDS
950 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL
951 #define M_NFSDSESSION M_NEWNFSDSESSION
953 #define NFSINT_SIGMASK(set) \
954 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
955 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
956 SIGISMEMBER(set, SIGQUIT))
959 * Convert a quota block count to byte count.
961 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b)
964 * Define this as the largest file size supported. (It should probably
965 * be available via a VFS_xxx Op, but it isn't.
967 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000)
970 * Set this macro to index() or strchr(), whichever is supported.
972 #define STRCHR(s, c) strchr((s), (c))
975 * Set the n_time in the client write rpc, as required.
977 #define NFSWRITERPC_SETTIME(w, n, a, v4) \
981 (n)->n_mtime = (a)->na_mtime; \
983 (n)->n_change = (a)->na_filerev; \
989 * Fake value, just to make the client work.
991 #define NFS_LATTR_NOSHRINK 1
994 * Prototypes for functions where the arguments vary for different ports.
996 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *,
998 int newnfs_realign(struct mbuf **, int);
999 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep);
1002 * If the port runs on an SMP box that can enforce Atomic ops with low
1003 * overheads, define these as atomic increments/decrements. If not,
1004 * don't worry about it, since these are used for stats that can be
1005 * "out by one" without disastrous consequences.
1007 #define NFSINCRGLOBAL(a) ((a)++)
1010 * Assorted funky stuff to make things work under Darwin8.
1013 * These macros checks for a field in vattr being set.
1015 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL)
1016 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL)
1019 * Manipulate mount flags.
1021 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */
1022 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */
1023 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */
1024 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */
1025 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */
1026 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */
1027 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */
1028 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */
1029 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */
1030 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */
1032 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3)
1033 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4)
1034 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0)
1035 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))
1036 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO)
1037 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID)
1038 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530)
1039 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF)
1040 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT)
1041 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT)
1042 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT))
1043 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR)
1044 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD)
1045 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB)
1046 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME)
1047 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY)
1048 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY)
1049 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF)
1050 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID)
1051 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS)
1052 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT)
1053 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST)
1054 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS)
1055 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE)
1056 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE)
1057 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \
1058 (n)->nm_minorvers > 0)
1061 * Gets the stats field out of the mount structure.
1063 #define vfs_statfs(m) (&((m)->mnt_stat))
1068 #define NFSSETBOOTTIME(b) (getboottime(&b))
1071 * The size of directory blocks in the buffer cache.
1072 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!!
1074 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */
1077 * Define these macros to access mnt_flag fields.
1079 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY)
1080 #endif /* _KERNEL */
1083 * Define a structure similar to ufs_args for use in exporting the V4 root.
1087 struct export_args export;
1091 * These export flags should be defined, but there are no bits left.
1092 * Maybe a separate mnt_exflag field could be added or the mnt_flag
1093 * field increased to 64 bits?
1095 #ifndef MNT_EXSTRICTACCESS
1096 #define MNT_EXSTRICTACCESS 0x0
1098 #ifndef MNT_EXV4ONLY
1099 #define MNT_EXV4ONLY 0x0
1104 * Define this to invalidate the attribute cache for the nfs node.
1106 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0)
1108 /* Used for FreeBSD only */
1109 void nfsd_mntinit(void);
1112 * Define these for vnode lock/unlock ops.
1114 * These are good abstractions to macro out, so that they can be added to
1115 * later, for debugging or stats, etc.
1117 #define NFSVOPLOCK(v, f) vn_lock((v), (f))
1118 #define NFSVOPUNLOCK(v) VOP_UNLOCK((v))
1119 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v))
1122 * Define ncl_hash().
1124 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT))
1126 int newnfs_iosize(struct nfsmount *);
1128 int newnfs_vncmpf(struct vnode *, void *);
1130 #ifndef NFS_MINDIRATTRTIMO
1131 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */
1133 #ifndef NFS_MAXDIRATTRTIMO
1134 #define NFS_MAXDIRATTRTIMO 60
1138 * Nfs outstanding request list element
1141 TAILQ_ENTRY(nfsreq) r_chain;
1142 u_int32_t r_flags; /* flags on request, see below */
1143 struct nfsmount *r_nmp; /* Client mnt ptr */
1144 struct mtx r_mtx; /* Mutex lock for this structure */
1147 #ifndef NFS_MAXBSIZE
1148 #define NFS_MAXBSIZE (maxbcachebuf)
1152 * This macro checks to see if issuing of delegations is allowed for this
1155 #ifdef VV_DISABLEDELEG
1156 #define NFSVNO_DELEGOK(v) \
1157 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0)
1159 #define NFSVNO_DELEGOK(v) (1)
1163 * Name used by getnewvnode() to describe filesystem, "nfs".
1164 * For performance reasons it is useful to have the same string
1165 * used in both places that call getnewvnode().
1167 extern const char nfs_vnode_tag[];
1170 * Check for the errors that indicate a DS should be disabled.
1171 * ENXIO indicates that the krpc cannot do an RPC on the DS.
1172 * EIO is returned by the RPC as an indication of I/O problems on the
1174 * Are there other fatal errors?
1176 #define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO)
1179 * Get a pointer to the MDS session, which is always the first element
1181 * This macro can only be safely used when the NFSLOCKMNT() lock is held.
1182 * The inline function can be used when the lock isn't held.
1184 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess))
1186 static __inline struct nfsclsession *
1187 nfsmnt_mdssession(struct nfsmount *nmp)
1189 struct nfsclsession *tsep;
1192 mtx_lock(&nmp->nm_mtx);
1193 if (TAILQ_FIRST(&nmp->nm_sess) != NULL)
1194 tsep = NFSMNT_MDSSESSION(nmp);
1195 mtx_unlock(&nmp->nm_mtx);
1199 #endif /* _KERNEL */
1201 #endif /* _NFS_NFSPORT_H */