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_NFSPORT_H_ 36#define _NFS_NFSPORT_H_ 37 38/* 39 * In general, I'm not fond of #includes in .h files, but this seems 40 * to be the cleanest way to handle #include files for the ports. 41 */ 42#ifdef _KERNEL 43#include <sys/unistd.h> 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/conf.h> 47#include <sys/dirent.h> 48#include <sys/domain.h> 49#include <sys/fcntl.h> 50#include <sys/file.h> 51#include <sys/filedesc.h> 52#include <sys/jail.h> 53#include <sys/kernel.h> 54#include <sys/lockf.h> 55#include <sys/malloc.h> 56#include <sys/mbuf.h> 57#include <sys/mount.h> 58#include <sys/mutex.h> 59#include <sys/namei.h> 60#include <sys/proc.h> 61#include <sys/protosw.h> 62#include <sys/reboot.h> 63#include <sys/resourcevar.h> 64#include <sys/signalvar.h> 65#include <sys/socket.h> 66#include <sys/socketvar.h> 67#include <sys/stat.h> 68#include <sys/syslog.h> 69#include <sys/sysproto.h> 70#include <sys/time.h> 71#include <sys/uio.h> 72#include <sys/vnode.h> 73#include <sys/bio.h> 74#include <sys/buf.h> 75#include <sys/acl.h> 76#include <sys/module.h> 77#include <sys/sysent.h> 78#include <sys/syscall.h> 79#include <sys/priv.h> 80#include <sys/kthread.h> 81#include <sys/syscallsubr.h> 82#include <net/if.h> 83#include <net/if_var.h> 84#include <net/radix.h> 85#include <net/route.h> 86#include <net/if_dl.h> 87#include <netinet/in.h> 88#include <netinet/in_pcb.h> 89#include <netinet/in_systm.h> 90#include <netinet/in_var.h> 91#include <netinet/ip.h> 92#include <netinet/ip_var.h> 93#include <netinet/tcp.h> 94#include <netinet/tcp_fsm.h> 95#include <netinet/tcp_seq.h> 96#include <netinet/tcp_timer.h> 97#include <netinet/tcp_var.h> 98#include <machine/in_cksum.h> 99#include <sys/md5.h> 100#include <rpc/rpc.h> 101#include <rpc/rpcsec_gss.h> 102 103#include <ufs/ufs/dir.h> 104#include <ufs/ufs/quota.h> 105#include <ufs/ufs/inode.h> 106#include <ufs/ufs/extattr.h> 107#include <ufs/ufs/ufsmount.h> 108#include <vm/uma.h> 109#include <vm/vm.h> 110#include <vm/pmap.h> 111#include <vm/vm_extern.h> 112#include <vm/vm_object.h> 113#include <vm/vm_page.h> 114#include <vm/vm_pageout.h> 115#include <vm/vm_param.h> 116#include <nfs/nfssvc.h> 117#include "opt_nfs.h" 118#include "opt_ufs.h" 119 120/* 121 * These types must be defined before the nfs includes. 122 */ 123#define NFSSOCKADDR_T struct sockaddr * 124#define NFSPROC_T struct thread 125#define NFSDEV_T dev_t 126#define NFSSVCARGS nfssvc_args 127#define NFSACL_T struct acl 128 129/* 130 * These should be defined as the types used for the corresponding VOP's 131 * argument type. 132 */ 133#define NFS_ACCESS_ARGS struct vop_access_args 134#define NFS_OPEN_ARGS struct vop_open_args 135#define NFS_GETATTR_ARGS struct vop_getattr_args 136#define NFS_LOOKUP_ARGS struct vop_lookup_args 137#define NFS_READDIR_ARGS struct vop_readdir_args 138 139/* 140 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. 141 */ 142#define NFSMGET(m) do { \ 143 MGET((m), M_WAITOK, MT_DATA); \ 144 while ((m) == NULL ) { \ 145 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 146 MGET((m), M_WAITOK, MT_DATA); \ 147 } \ 148 } while (0) 149#define NFSMGETHDR(m) do { \ 150 MGETHDR((m), M_WAITOK, MT_DATA); \ 151 while ((m) == NULL ) { \ 152 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 153 MGETHDR((m), M_WAITOK, MT_DATA); \ 154 } \ 155 } while (0) 156#define NFSMCLGET(m, w) do { \ 157 MGET((m), M_WAITOK, MT_DATA); \ 158 while ((m) == NULL ) { \ 159 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 160 MGET((m), M_WAITOK, MT_DATA); \ 161 } \ 162 MCLGET((m), (w)); \ 163 } while (0) 164#define NFSMCLGETHDR(m, w) do { \ 165 MGETHDR((m), M_WAITOK, MT_DATA); \ 166 while ((m) == NULL ) { \ 167 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 168 MGETHDR((m), M_WAITOK, MT_DATA); \ 169 } \ 170 } while (0) 171 172/* 173 * Client side constant for size of a lockowner name. 174 */ 175#define NFSV4CL_LOCKNAMELEN 12 176 177/* 178 * Type for a mutex lock. 179 */ 180#define NFSMUTEX_T struct mtx 181 182/* Just define the NFSD_VNETxxx() macros as VNETxxx() macros. */ 183#define NFSD_VNET_NAME(n) VNET_NAME(n) 184#define NFSD_VNET_DECLARE(t, n) VNET_DECLARE(t, n) 185#define NFSD_VNET_DEFINE(t, n) VNET_DEFINE(t, n) 186#define NFSD_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n) 187#define NFSD_VNET(n) VNET(n) 188 189#define CTLFLAG_NFSD_VNET CTLFLAG_VNET 190 191#define NFSD_CURVNET_SET(n) CURVNET_SET(n) 192#define NFSD_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n) 193#define NFSD_CURVNET_RESTORE() CURVNET_RESTORE() 194#define NFSD_TD_TO_VNET(n) TD_TO_VNET(n) 195 196#endif /* _KERNEL */ 197 198/* 199 * NFSv4 Operation numbers. 200 */ 201#define NFSV4OP_ACCESS 3 202#define NFSV4OP_CLOSE 4 203#define NFSV4OP_COMMIT 5 204#define NFSV4OP_CREATE 6 205#define NFSV4OP_DELEGPURGE 7 206#define NFSV4OP_DELEGRETURN 8 207#define NFSV4OP_GETATTR 9 208#define NFSV4OP_GETFH 10 209#define NFSV4OP_LINK 11 210#define NFSV4OP_LOCK 12 211#define NFSV4OP_LOCKT 13 212#define NFSV4OP_LOCKU 14 213#define NFSV4OP_LOOKUP 15 214#define NFSV4OP_LOOKUPP 16 215#define NFSV4OP_NVERIFY 17 216#define NFSV4OP_OPEN 18 217#define NFSV4OP_OPENATTR 19 218#define NFSV4OP_OPENCONFIRM 20 219#define NFSV4OP_OPENDOWNGRADE 21 220#define NFSV4OP_PUTFH 22 221#define NFSV4OP_PUTPUBFH 23 222#define NFSV4OP_PUTROOTFH 24 223#define NFSV4OP_READ 25 224#define NFSV4OP_READDIR 26 225#define NFSV4OP_READLINK 27 226#define NFSV4OP_REMOVE 28 227#define NFSV4OP_RENAME 29 228#define NFSV4OP_RENEW 30 229#define NFSV4OP_RESTOREFH 31 230#define NFSV4OP_SAVEFH 32 231#define NFSV4OP_SECINFO 33 232#define NFSV4OP_SETATTR 34 233#define NFSV4OP_SETCLIENTID 35 234#define NFSV4OP_SETCLIENTIDCFRM 36 235#define NFSV4OP_VERIFY 37 236#define NFSV4OP_WRITE 38 237#define NFSV4OP_RELEASELCKOWN 39 238 239/* 240 * Must be one greater than the last Operation#. 241 */ 242#define NFSV4OP_NOPS 40 243 244/* 245 * Additional Ops for NFSv4.1. 246 */ 247#define NFSV4OP_BACKCHANNELCTL 40 248#define NFSV4OP_BINDCONNTOSESS 41 249#define NFSV4OP_EXCHANGEID 42 250#define NFSV4OP_CREATESESSION 43 251#define NFSV4OP_DESTROYSESSION 44 252#define NFSV4OP_FREESTATEID 45 253#define NFSV4OP_GETDIRDELEG 46 254#define NFSV4OP_GETDEVINFO 47 255#define NFSV4OP_GETDEVLIST 48 256#define NFSV4OP_LAYOUTCOMMIT 49 257#define NFSV4OP_LAYOUTGET 50 258#define NFSV4OP_LAYOUTRETURN 51 259#define NFSV4OP_SECINFONONAME 52 260#define NFSV4OP_SEQUENCE 53 261#define NFSV4OP_SETSSV 54 262#define NFSV4OP_TESTSTATEID 55 263#define NFSV4OP_WANTDELEG 56 264#define NFSV4OP_DESTROYCLIENTID 57 265#define NFSV4OP_RECLAIMCOMPL 58 266 267/* 268 * Must be one more than last op#. 269 */ 270#define NFSV41_NOPS 59 271 272/* 273 * Additional operations for NFSv4.2. 274 */ 275#define NFSV4OP_ALLOCATE 59 276#define NFSV4OP_COPY 60 277#define NFSV4OP_COPYNOTIFY 61 278#define NFSV4OP_DEALLOCATE 62 279#define NFSV4OP_IOADVISE 63 280#define NFSV4OP_LAYOUTERROR 64 281#define NFSV4OP_LAYOUTSTATS 65 282#define NFSV4OP_OFFLOADCANCEL 66 283#define NFSV4OP_OFFLOADSTATUS 67 284#define NFSV4OP_READPLUS 68 285#define NFSV4OP_SEEK 69 286#define NFSV4OP_WRITESAME 70 287#define NFSV4OP_CLONE 71 288 289/* One greater than the last Operation # defined in RFC-7862. */ 290#define NFSV42_PURENOPS 72 291 292/* and the optional Extended attribute operations (RFC-8276). */ 293#define NFSV4OP_GETXATTR 72 294#define NFSV4OP_SETXATTR 73 295#define NFSV4OP_LISTXATTRS 74 296#define NFSV4OP_REMOVEXATTR 75 297 298/* 299 * Must be one more than the last NFSv4.2 op#. 300 */ 301#define NFSV42_NOPS 76 302 303/* Quirky case if the illegal op code */ 304#define NFSV4OP_OPILLEGAL 10044 305 306/* 307 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV42_NOPS. 308 */ 309#define NFSV4OP_SYMLINK (NFSV42_NOPS) 310#define NFSV4OP_MKDIR (NFSV42_NOPS + 1) 311#define NFSV4OP_RMDIR (NFSV42_NOPS + 2) 312#define NFSV4OP_READDIRPLUS (NFSV42_NOPS + 3) 313#define NFSV4OP_MKNOD (NFSV42_NOPS + 4) 314#define NFSV4OP_FSSTAT (NFSV42_NOPS + 5) 315#define NFSV4OP_FSINFO (NFSV42_NOPS + 6) 316#define NFSV4OP_PATHCONF (NFSV42_NOPS + 7) 317#define NFSV4OP_V3CREATE (NFSV42_NOPS + 8) 318 319/* 320 * This is the count of the fake operations listed above. 321 */ 322#define NFSV4OP_FAKENOPS 9 323 324/* 325 * and the Callback OPs 326 */ 327#define NFSV4OP_CBGETATTR 3 328#define NFSV4OP_CBRECALL 4 329 330/* 331 * Must be one greater than the last Callback Operation# for NFSv4.0. 332 */ 333#define NFSV4OP_CBNOPS 5 334 335/* 336 * Additional Callback Ops for NFSv4.1 only. 337 */ 338#define NFSV4OP_CBLAYOUTRECALL 5 339#define NFSV4OP_CBNOTIFY 6 340#define NFSV4OP_CBPUSHDELEG 7 341#define NFSV4OP_CBRECALLANY 8 342#define NFSV4OP_CBRECALLOBJAVAIL 9 343#define NFSV4OP_CBRECALLSLOT 10 344#define NFSV4OP_CBSEQUENCE 11 345#define NFSV4OP_CBWANTCANCELLED 12 346#define NFSV4OP_CBNOTIFYLOCK 13 347#define NFSV4OP_CBNOTIFYDEVID 14 348 349#define NFSV41_CBNOPS 15 350 351/* 352 * Additional callback operations for NFSv4.2. 353 */ 354#define NFSV4OP_CBOFFLOAD 15 355 356#define NFSV42_CBNOPS 16 357 358/* 359 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher 360 * numbers used by NFSv4. 361 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is 362 * one greater than the last number. 363 */ 364#ifndef NFS_V3NPROCS 365#define NFS_V3NPROCS 22 366 367#define NFSPROC_LOOKUPP 22 368#define NFSPROC_SETCLIENTID 23 369#define NFSPROC_SETCLIENTIDCFRM 24 370#define NFSPROC_LOCK 25 371#define NFSPROC_LOCKU 26 372#define NFSPROC_OPEN 27 373#define NFSPROC_CLOSE 28 374#define NFSPROC_OPENCONFIRM 29 375#define NFSPROC_LOCKT 30 376#define NFSPROC_OPENDOWNGRADE 31 377#define NFSPROC_RENEW 32 378#define NFSPROC_PUTROOTFH 33 379#define NFSPROC_RELEASELCKOWN 34 380#define NFSPROC_DELEGRETURN 35 381#define NFSPROC_RETDELEGREMOVE 36 382#define NFSPROC_RETDELEGRENAME1 37 383#define NFSPROC_RETDELEGRENAME2 38 384#define NFSPROC_GETACL 39 385#define NFSPROC_SETACL 40 386 387/* 388 * Must be defined as one higher than the last Proc# above. 389 */ 390#define NFSV4_NPROCS 41 391 392/* Additional procedures for NFSv4.1. */ 393#define NFSPROC_EXCHANGEID 41 394#define NFSPROC_CREATESESSION 42 395#define NFSPROC_DESTROYSESSION 43 396#define NFSPROC_DESTROYCLIENT 44 397#define NFSPROC_FREESTATEID 45 398#define NFSPROC_LAYOUTGET 46 399#define NFSPROC_GETDEVICEINFO 47 400#define NFSPROC_LAYOUTCOMMIT 48 401#define NFSPROC_LAYOUTRETURN 49 402#define NFSPROC_RECLAIMCOMPL 50 403#define NFSPROC_WRITEDS 51 404#define NFSPROC_READDS 52 405#define NFSPROC_COMMITDS 53 406#define NFSPROC_OPENLAYGET 54 407#define NFSPROC_CREATELAYGET 55 408 409/* 410 * Must be defined as one higher than the last NFSv4.1 Proc# above. 411 */ 412#define NFSV41_NPROCS 56 413 414/* Additional procedures for NFSv4.2. */ 415#define NFSPROC_IOADVISE 56 416#define NFSPROC_ALLOCATE 57 417#define NFSPROC_COPY 58 418#define NFSPROC_SEEK 59 419#define NFSPROC_SEEKDS 60 420 421/* and the ones for the optional Extended attribute support (RFC-8276). */ 422#define NFSPROC_GETEXTATTR 61 423#define NFSPROC_SETEXTATTR 62 424#define NFSPROC_RMEXTATTR 63 425#define NFSPROC_LISTEXTATTR 64 426 427/* BindConnectionToSession, done by the krpc for a new connection. */ 428#define NFSPROC_BINDCONNTOSESS 65 429 430/* Do a Lookup+Open for "oneopenown". */ 431#define NFSPROC_LOOKUPOPEN 66 432 433/* Do an NFSv4.2 Deallocate. */ 434#define NFSPROC_DEALLOCATE 67 435 436/* Do an NFSv4.2 LayoutError. */ 437#define NFSPROC_LAYOUTERROR 68 438 439/* Do an NFSv4 Verify+Write. */ 440#define NFSPROC_APPENDWRITE 69 441 442/* 443 * Must be defined as one higher than the last NFSv4.2 Proc# above. 444 */ 445#define NFSV42_NPROCS 70 446 447/* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */ 448#define NFSV42_OLDNPROCS 69 449 450#endif /* NFS_V3NPROCS */ 451 452/* 453 * Newest stats structure. 454 * The vers field will be set to NFSSTATS_V1 by the caller. 455 */ 456#define NFSSTATS_V1 2 457struct nfsstatsv1 { 458 int vers; /* Set to version requested by caller. */ 459 uint64_t attrcache_hits; 460 uint64_t attrcache_misses; 461 uint64_t lookupcache_hits; 462 uint64_t lookupcache_misses; 463 uint64_t direofcache_hits; 464 uint64_t direofcache_misses; 465 uint64_t accesscache_hits; 466 uint64_t accesscache_misses; 467 uint64_t biocache_reads; 468 uint64_t read_bios; 469 uint64_t read_physios; 470 uint64_t biocache_writes; 471 uint64_t write_bios; 472 uint64_t write_physios; 473 uint64_t biocache_readlinks; 474 uint64_t readlink_bios; 475 uint64_t biocache_readdirs; 476 uint64_t readdir_bios; 477 uint64_t rpccnt[NFSV42_NPROCS + 10]; 478 uint64_t rpcretries; 479 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 480 uint64_t srvlayouts; 481 uint64_t cllayouts; 482 uint64_t rpcrequests; 483 uint64_t rpctimeouts; 484 uint64_t rpcunexpected; 485 uint64_t rpcinvalid; 486 uint64_t srvcache_inproghits; 487 uint64_t reserved_2; 488 uint64_t srvcache_nonidemdonehits; 489 uint64_t srvcache_misses; 490 uint64_t srvcache_tcppeak; 491 int srvcache_size; /* Updated by atomic_xx_int(). */ 492 uint64_t srvclients; 493 uint64_t srvopenowners; 494 uint64_t srvopens; 495 uint64_t srvlockowners; 496 uint64_t srvlocks; 497 uint64_t srvdelegates; 498 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 499 uint64_t clopenowners; 500 uint64_t clopens; 501 uint64_t cllockowners; 502 uint64_t cllocks; 503 uint64_t cldelegates; 504 uint64_t cllocalopenowners; 505 uint64_t cllocalopens; 506 uint64_t cllocallockowners; 507 uint64_t cllocallocks; 508 uint64_t srvstartcnt; 509 uint64_t srvdonecnt; 510 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 511 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 512 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 513 struct bintime busyfrom; 514 struct bintime busytime; 515}; 516 517/* 518 * Newer stats structure. 519 * The vers field will be set to NFSSTATS_OV1 by the caller. 520 */ 521#define NFSSTATS_OV1 1 522struct nfsstatsov1 { 523 int vers; /* Set to version requested by caller. */ 524 uint64_t attrcache_hits; 525 uint64_t attrcache_misses; 526 uint64_t lookupcache_hits; 527 uint64_t lookupcache_misses; 528 uint64_t direofcache_hits; 529 uint64_t direofcache_misses; 530 uint64_t accesscache_hits; 531 uint64_t accesscache_misses; 532 uint64_t biocache_reads; 533 uint64_t read_bios; 534 uint64_t read_physios; 535 uint64_t biocache_writes; 536 uint64_t write_bios; 537 uint64_t write_physios; 538 uint64_t biocache_readlinks; 539 uint64_t readlink_bios; 540 uint64_t biocache_readdirs; 541 uint64_t readdir_bios; 542 uint64_t rpccnt[NFSV42_OLDNPROCS]; 543 uint64_t rpcretries; 544 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 545 uint64_t reserved_0; 546 uint64_t reserved_1; 547 uint64_t rpcrequests; 548 uint64_t rpctimeouts; 549 uint64_t rpcunexpected; 550 uint64_t rpcinvalid; 551 uint64_t srvcache_inproghits; 552 uint64_t reserved_2; 553 uint64_t srvcache_nonidemdonehits; 554 uint64_t srvcache_misses; 555 uint64_t srvcache_tcppeak; 556 int srvcache_size; /* Updated by atomic_xx_int(). */ 557 uint64_t srvclients; 558 uint64_t srvopenowners; 559 uint64_t srvopens; 560 uint64_t srvlockowners; 561 uint64_t srvlocks; 562 uint64_t srvdelegates; 563 uint64_t cbrpccnt[NFSV42_CBNOPS]; 564 uint64_t clopenowners; 565 uint64_t clopens; 566 uint64_t cllockowners; 567 uint64_t cllocks; 568 uint64_t cldelegates; 569 uint64_t cllocalopenowners; 570 uint64_t cllocalopens; 571 uint64_t cllocallockowners; 572 uint64_t cllocallocks; 573 uint64_t srvstartcnt; 574 uint64_t srvdonecnt; 575 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 576 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 577 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 578 struct bintime busyfrom; 579 struct bintime busytime; 580}; 581 582/* 583 * Old stats structure. 584 */ 585struct ext_nfsstats { 586 int attrcache_hits; 587 int attrcache_misses; 588 int lookupcache_hits; 589 int lookupcache_misses; 590 int direofcache_hits; 591 int direofcache_misses; 592 int accesscache_hits; 593 int accesscache_misses; 594 int biocache_reads; 595 int read_bios; 596 int read_physios; 597 int biocache_writes; 598 int write_bios; 599 int write_physios; 600 int biocache_readlinks; 601 int readlink_bios; 602 int biocache_readdirs; 603 int readdir_bios; 604 int rpccnt[NFSV4_NPROCS]; 605 int rpcretries; 606 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 607 int reserved_0; 608 int reserved_1; 609 int rpcrequests; 610 int rpctimeouts; 611 int rpcunexpected; 612 int rpcinvalid; 613 int srvcache_inproghits; 614 int reserved_2; 615 int srvcache_nonidemdonehits; 616 int srvcache_misses; 617 int srvcache_tcppeak; 618 int srvcache_size; 619 int srvclients; 620 int srvopenowners; 621 int srvopens; 622 int srvlockowners; 623 int srvlocks; 624 int srvdelegates; 625 int cbrpccnt[NFSV4OP_CBNOPS]; 626 int clopenowners; 627 int clopens; 628 int cllockowners; 629 int cllocks; 630 int cldelegates; 631 int cllocalopenowners; 632 int cllocalopens; 633 int cllocallockowners; 634 int cllocallocks; 635}; 636 637#ifdef _KERNEL 638/* 639 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 640 */ 641#ifndef NFS_NPROCS 642#define NFS_NPROCS NFSV4_NPROCS 643#endif 644 645#include <fs/nfs/nfskpiport.h> 646#include <fs/nfs/nfsdport.h> 647#include <fs/nfs/rpcv2.h> 648#include <fs/nfs/nfsproto.h> 649#include <fs/nfs/nfs.h> 650#include <fs/nfs/nfsclstate.h> 651#include <fs/nfs/nfs_var.h> 652#include <fs/nfs/nfsm_subs.h> 653#include <fs/nfs/nfsrvcache.h> 654#include <fs/nfs/nfsrvstate.h> 655#include <fs/nfs/xdr_subs.h> 656#include <fs/nfs/nfscl.h> 657#include <nfsclient/nfsargs.h> 658#include <fs/nfsclient/nfsmount.h> 659 660/* 661 * Just to keep nfs_var.h happy. 662 */ 663struct nfs_vattr { 664 int junk; 665}; 666 667struct nfsvattr { 668 struct vattr na_vattr; 669 nfsattrbit_t na_suppattr; 670 u_int64_t na_mntonfileno; 671 u_int64_t na_filesid[2]; 672}; 673 674#define na_type na_vattr.va_type 675#define na_mode na_vattr.va_mode 676#define na_nlink na_vattr.va_nlink 677#define na_uid na_vattr.va_uid 678#define na_gid na_vattr.va_gid 679#define na_fsid na_vattr.va_fsid 680#define na_fileid na_vattr.va_fileid 681#define na_size na_vattr.va_size 682#define na_blocksize na_vattr.va_blocksize 683#define na_atime na_vattr.va_atime 684#define na_mtime na_vattr.va_mtime 685#define na_ctime na_vattr.va_ctime 686#define na_btime na_vattr.va_birthtime 687#define na_gen na_vattr.va_gen 688#define na_flags na_vattr.va_flags 689#define na_rdev na_vattr.va_rdev 690#define na_bytes na_vattr.va_bytes 691#define na_filerev na_vattr.va_filerev 692#define na_vaflags na_vattr.va_vaflags 693 694#include <fs/nfsclient/nfsnode.h> 695 696/* 697 * This is the header structure used for the lists, etc. (It has the 698 * above record in it. 699 */ 700struct nfsrv_stablefirst { 701 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 702 time_t nsf_eograce; /* Time grace period ends */ 703 time_t *nsf_bootvals; /* Previous boottime values */ 704 struct file *nsf_fp; /* File table pointer */ 705 u_char nsf_flags; /* NFSNSF_ flags */ 706 struct nfsf_rec nsf_rec; /* and above first record */ 707}; 708#define nsf_lease nsf_rec.lease 709#define nsf_numboots nsf_rec.numboots 710 711/* NFSNSF_xxx flags */ 712#define NFSNSF_UPDATEDONE 0x01 713#define NFSNSF_GRACEOVER 0x02 714#define NFSNSF_NEEDLOCK 0x04 715#define NFSNSF_EXPIREDCLIENT 0x08 716#define NFSNSF_NOOPENS 0x10 717#define NFSNSF_OK 0x20 718 719/* 720 * Maximum number of boot times allowed in record. Although there is 721 * really no need for a fixed upper bound, this serves as a sanity check 722 * for a corrupted file. 723 */ 724#define NFSNSF_MAXNUMBOOTS 10000 725 726/* 727 * This structure defines the other records in the file. The 728 * nst_client array is actually the size of the client string name. 729 */ 730struct nfst_rec { 731 u_int16_t len; 732 u_char flag; 733 u_char client[1]; 734}; 735/* and the values for flag */ 736#define NFSNST_NEWSTATE 0x1 737#define NFSNST_REVOKE 0x2 738#define NFSNST_GOTSTATE 0x4 739#define NFSNST_RECLAIMED 0x8 740 741/* 742 * This structure is linked onto nfsrv_stablefirst for the duration of 743 * reclaim. 744 */ 745struct nfsrv_stable { 746 LIST_ENTRY(nfsrv_stable) nst_list; 747 struct nfsclient *nst_clp; 748 struct nfst_rec nst_rec; 749}; 750#define nst_timestamp nst_rec.timestamp 751#define nst_len nst_rec.len 752#define nst_flag nst_rec.flag 753#define nst_client nst_rec.client 754 755/* 756 * At some point the server will run out of kernel storage for 757 * state structures. For FreeBSD5.2, this results in a panic 758 * kmem_map is full. It happens at well over 1000000 opens plus 759 * locks on a PIII-800 with 256Mbytes, so that is where I've set 760 * the limit. If your server panics due to too many opens/locks, 761 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 762 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 763 * increasing it. 764 */ 765#define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 766 767/* 768 * The type required differs with BSDen (just the second arg). 769 */ 770void nfsrvd_rcv(struct socket *, void *, int); 771 772/* 773 * Macros for handling socket addresses. (Hopefully this makes the code 774 * more portable, since I've noticed some 'BSD don't have sockaddrs in 775 * mbufs any more.) 776 */ 777#define NFSSOCKADDR(a, t) ((t)(a)) 778#define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 779 780/* 781 * These should be defined as a process or thread structure, as required 782 * for signal handling, etc. 783 */ 784#define NFSNEWCRED(c) (crdup(c)) 785#define NFSPROCCRED(p) ((p)->td_ucred) 786#define NFSFREECRED(c) (crfree(c)) 787#define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 788#define NFSPROCP(p) ((p)->td_proc) 789 790/* 791 * Define these so that cn_hash and its length is ignored. 792 */ 793#define NFSCNHASHZERO(c) 794#define NFSCNHASH(c, v) 795#define NCHNAMLEN 9999999 796 797/* 798 * Handle SMP stuff: 799 */ 800#define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 801#define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 802#define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 803#define NFSSTATEMUTEXPTR (&nfs_state_mutex) 804#define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 805#define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 806#define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 807#define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 808#define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 809#define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 810#define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 811#define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 812#define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 813#define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 814#define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 815#define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 816#define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 817#define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 818#define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 819#define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 820#define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 821#define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 822#define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 823#define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 824#define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 825#define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 826#define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 827#define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 828#define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 829#define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 830#define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 831#define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 832#define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 833#define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 834#define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 835#define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 836#define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 837#define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 838#define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 839#define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 840#define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 841#define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 842#define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 843#define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 844#define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 845#define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 846#define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 847#define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 848#define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 849#define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 850#define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 851#define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 852#define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 853#define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 854#define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 855#define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 856#define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 857#define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 858#define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 859 860/* 861 * Use these macros to initialize/free a mutex. 862 */ 863#define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 864#define NFSFREEMUTEX(m) mtx_destroy((m)) 865 866int nfsmsleep(void *, void *, int, const char *, struct timespec *); 867 868/* 869 * And weird vm stuff in the nfs server. 870 */ 871#define PDIRUNLOCK 0x0 872#define MAX_COMMIT_COUNT (1024 * 1024) 873 874/* 875 * Define these to handle the type of va_rdev. 876 */ 877#define NFSMAKEDEV(m, n) makedev((m), (n)) 878#define NFSMAJOR(d) major(d) 879#define NFSMINOR(d) minor(d) 880 881/* 882 * The vnode tag for nfsv4root. 883 */ 884#define VT_NFSV4ROOT "nfsv4root" 885 886/* 887 * Define whatever it takes to do a vn_rdwr(). 888 */ 889#define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 890 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 891 892/* 893 * Macros for handling memory for different BSDen. 894 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 895 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 896 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 897 * NFSBZERO(cp, len) - set len bytes to 0x0 898 */ 899#define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 900#define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 901#define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 902#define NFSBZERO(s, l) bzero((s), (l)) 903 904/* 905 * Some queue.h files don't have these dfined in them. 906 */ 907#ifndef LIST_END 908#define LIST_END(head) NULL 909#define SLIST_END(head) NULL 910#define TAILQ_END(head) NULL 911#endif 912 913/* 914 * This must be defined to be a global variable that increments once 915 * per second, but never stops or goes backwards, even when a "date" 916 * command changes the TOD clock. It is used for delta times for 917 * leases, etc. 918 */ 919#define NFSD_MONOSEC time_uptime 920 921/* 922 * Declare the malloc types. 923 */ 924MALLOC_DECLARE(M_NEWNFSRVCACHE); 925MALLOC_DECLARE(M_NEWNFSDCLIENT); 926MALLOC_DECLARE(M_NEWNFSDSTATE); 927MALLOC_DECLARE(M_NEWNFSDLOCK); 928MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 929MALLOC_DECLARE(M_NEWNFSSTRING); 930MALLOC_DECLARE(M_NEWNFSUSERGROUP); 931MALLOC_DECLARE(M_NEWNFSDREQ); 932MALLOC_DECLARE(M_NEWNFSFH); 933MALLOC_DECLARE(M_NEWNFSCLOWNER); 934MALLOC_DECLARE(M_NEWNFSCLOPEN); 935MALLOC_DECLARE(M_NEWNFSCLDELEG); 936MALLOC_DECLARE(M_NEWNFSCLCLIENT); 937MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 938MALLOC_DECLARE(M_NEWNFSCLLOCK); 939MALLOC_DECLARE(M_NEWNFSDIROFF); 940MALLOC_DECLARE(M_NEWNFSV4NODE); 941MALLOC_DECLARE(M_NEWNFSMNT); 942MALLOC_DECLARE(M_NEWNFSDROLLBACK); 943MALLOC_DECLARE(M_NEWNFSLAYOUT); 944MALLOC_DECLARE(M_NEWNFSFLAYOUT); 945MALLOC_DECLARE(M_NEWNFSDEVINFO); 946MALLOC_DECLARE(M_NEWNFSSOCKREQ); 947MALLOC_DECLARE(M_NEWNFSCLDS); 948MALLOC_DECLARE(M_NEWNFSLAYRECALL); 949MALLOC_DECLARE(M_NEWNFSDSESSION); 950#define M_NFSRVCACHE M_NEWNFSRVCACHE 951#define M_NFSDCLIENT M_NEWNFSDCLIENT 952#define M_NFSDSTATE M_NEWNFSDSTATE 953#define M_NFSDLOCK M_NEWNFSDLOCK 954#define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 955#define M_NFSSTRING M_NEWNFSSTRING 956#define M_NFSUSERGROUP M_NEWNFSUSERGROUP 957#define M_NFSDREQ M_NEWNFSDREQ 958#define M_NFSFH M_NEWNFSFH 959#define M_NFSCLOWNER M_NEWNFSCLOWNER 960#define M_NFSCLOPEN M_NEWNFSCLOPEN 961#define M_NFSCLDELEG M_NEWNFSCLDELEG 962#define M_NFSCLCLIENT M_NEWNFSCLCLIENT 963#define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 964#define M_NFSCLLOCK M_NEWNFSCLLOCK 965#define M_NFSDIROFF M_NEWNFSDIROFF 966#define M_NFSV4NODE M_NEWNFSV4NODE 967#define M_NFSDROLLBACK M_NEWNFSDROLLBACK 968#define M_NFSLAYOUT M_NEWNFSLAYOUT 969#define M_NFSFLAYOUT M_NEWNFSFLAYOUT 970#define M_NFSDEVINFO M_NEWNFSDEVINFO 971#define M_NFSSOCKREQ M_NEWNFSSOCKREQ 972#define M_NFSCLDS M_NEWNFSCLDS 973#define M_NFSLAYRECALL M_NEWNFSLAYRECALL 974#define M_NFSDSESSION M_NEWNFSDSESSION 975 976#define NFSINT_SIGMASK(set) \ 977 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 978 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 979 SIGISMEMBER(set, SIGQUIT)) 980 981/* 982 * Convert a quota block count to byte count. 983 */ 984#define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 985 986/* 987 * Define this as the largest file size supported. (It should probably 988 * be available via a VFS_xxx Op, but it isn't. 989 */ 990#define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 991 992/* 993 * Set this macro to index() or strchr(), whichever is supported. 994 */ 995#define STRCHR(s, c) strchr((s), (c)) 996 997/* 998 * Set the n_time in the client write rpc, as required. 999 */ 1000#define NFSWRITERPC_SETTIME(w, n, a, v4) \ 1001 do { \ 1002 if (w) { \ 1003 NFSLOCKNODE(n); \ 1004 (n)->n_mtime = (a)->na_mtime; \ 1005 if (v4) \ 1006 (n)->n_change = (a)->na_filerev; \ 1007 NFSUNLOCKNODE(n); \ 1008 } \ 1009 } while (0) 1010 1011/* 1012 * Fake value, just to make the client work. 1013 */ 1014#define NFS_LATTR_NOSHRINK 1 1015 1016/* 1017 * Prototypes for functions where the arguments vary for different ports. 1018 */ 1019int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, int, int); 1020int newnfs_realign(struct mbuf **, int); 1021bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 1022void ncl_copy_vattr(struct vattr *dst, struct vattr *src); 1023 1024/* 1025 * If the port runs on an SMP box that can enforce Atomic ops with low 1026 * overheads, define these as atomic increments/decrements. If not, 1027 * don't worry about it, since these are used for stats that can be 1028 * "out by one" without disastrous consequences. 1029 */ 1030#define NFSINCRGLOBAL(a) ((a)++) 1031#define NFSDECRGLOBAL(a) ((a)--) 1032 1033/* 1034 * Assorted funky stuff to make things work under Darwin8. 1035 */ 1036/* 1037 * These macros checks for a field in vattr being set. 1038 */ 1039#define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1040#define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1041 1042/* 1043 * Manipulate mount flags. 1044 */ 1045#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1046#define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1047#define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1048#define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1049#define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1050#define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1051#define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1052#define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1053#define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1054#define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1055 1056#define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1057#define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1058#define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1059#define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1060#define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1061#define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1062#define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1063#define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1064#define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1065#define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1066#define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1067#define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1068#define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1069#define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1070#define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1071#define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1072#define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1073#define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1074#define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1075#define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1076#define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1077#define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1078#define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1079#define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1080#define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1081#define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1082 (n)->nm_minorvers > 0) 1083#define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1084#define NFSHASSYSKRB5(n) (((n)->nm_newflag & NFSMNT_SYSKRB5) != 0) 1085 1086/* 1087 * Set boottime. 1088 */ 1089#define NFSSETBOOTTIME(b) (getboottime(&b)) 1090 1091/* 1092 * The size of directory blocks in the buffer cache. 1093 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1094 */ 1095#define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1096 1097/* 1098 * Define these macros to access mnt_flag fields. 1099 */ 1100#define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1101#endif /* _KERNEL */ 1102 1103/* 1104 * Define a structure similar to ufs_args for use in exporting the V4 root. 1105 */ 1106struct nfsex_args { 1107 char *fspec; 1108 struct export_args export; 1109}; 1110 1111struct nfsex_oldargs { 1112 char *fspec; 1113 struct o2export_args export; 1114}; 1115 1116/* 1117 * These export flags should be defined, but there are no bits left. 1118 * Maybe a separate mnt_exflag field could be added or the mnt_flag 1119 * field increased to 64 bits? 1120 */ 1121#ifndef MNT_EXSTRICTACCESS 1122#define MNT_EXSTRICTACCESS 0x0 1123#endif 1124#ifndef MNT_EXV4ONLY 1125#define MNT_EXV4ONLY 0x0 1126#endif 1127 1128#ifdef _KERNEL 1129/* 1130 * Define this to invalidate the attribute cache for the nfs node. 1131 */ 1132#define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 1133 1134/* Used for FreeBSD only */ 1135void nfsd_mntinit(void); 1136 1137/* 1138 * Define these for vnode lock/unlock ops. 1139 * 1140 * These are good abstractions to macro out, so that they can be added to 1141 * later, for debugging or stats, etc. 1142 */ 1143#define NFSVOPLOCK(v, f) vn_lock((v), (f)) 1144#define NFSVOPUNLOCK(v) VOP_UNLOCK((v)) 1145#define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 1146 1147/* 1148 * Define ncl_hash(). 1149 */ 1150#define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 1151 1152int newnfs_iosize(struct nfsmount *); 1153 1154int newnfs_vncmpf(struct vnode *, void *); 1155 1156#ifndef NFS_MINDIRATTRTIMO 1157#define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 1158#endif 1159#ifndef NFS_MAXDIRATTRTIMO 1160#define NFS_MAXDIRATTRTIMO 60 1161#endif 1162 1163/* 1164 * Nfs outstanding request list element 1165 */ 1166struct nfsreq { 1167 TAILQ_ENTRY(nfsreq) r_chain; 1168 u_int32_t r_flags; /* flags on request, see below */ 1169 struct nfsmount *r_nmp; /* Client mnt ptr */ 1170 struct mtx r_mtx; /* Mutex lock for this structure */ 1171}; 1172 1173#ifndef NFS_MAXBSIZE 1174#define NFS_MAXBSIZE (maxbcachebuf) 1175#endif 1176 1177/* 1178 * This macro checks to see if issuing of delegations is allowed for this 1179 * vnode. 1180 */ 1181#ifdef VV_DISABLEDELEG 1182#define NFSVNO_DELEGOK(v) \ 1183 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 1184#else 1185#define NFSVNO_DELEGOK(v) (1) 1186#endif 1187 1188/* 1189 * Name used by getnewvnode() to describe filesystem, "nfs". 1190 * For performance reasons it is useful to have the same string 1191 * used in both places that call getnewvnode(). 1192 */ 1193extern const char nfs_vnode_tag[]; 1194 1195/* 1196 * Check for the errors that indicate a DS should be disabled. 1197 * ENXIO indicates that the krpc cannot do an RPC on the DS. 1198 * EIO is returned by the RPC as an indication of I/O problems on the 1199 * server. 1200 * Are there other fatal errors? 1201 */ 1202#define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO) 1203 1204/* 1205 * Get a pointer to the MDS session, which is always the first element 1206 * in the list. 1207 * This macro can only be safely used when the NFSLOCKMNT() lock is held. 1208 * The inline function can be used when the lock isn't held. 1209 */ 1210#define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess)) 1211 1212static __inline struct nfsclsession * 1213nfsmnt_mdssession(struct nfsmount *nmp) 1214{ 1215 struct nfsclsession *tsep; 1216 1217 tsep = NULL; 1218 mtx_lock(&nmp->nm_mtx); 1219 if (TAILQ_FIRST(&nmp->nm_sess) != NULL) 1220 tsep = NFSMNT_MDSSESSION(nmp); 1221 mtx_unlock(&nmp->nm_mtx); 1222 return (tsep); 1223} 1224 1225#endif /* _KERNEL */ 1226 1227#endif /* _NFS_NFSPORT_H */ 1228