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 * $FreeBSD$ 35 */ 36 37 #ifndef _NFS_NFSPORT_H_ 38 #define _NFS_NFSPORT_H_ 39 40 /* 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. 43 */ 44 #ifdef _KERNEL 45 #include <sys/unistd.h> 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/conf.h> 49 #include <sys/dirent.h> 50 #include <sys/domain.h> 51 #include <sys/fcntl.h> 52 #include <sys/file.h> 53 #include <sys/filedesc.h> 54 #include <sys/jail.h> 55 #include <sys/kernel.h> 56 #include <sys/lockf.h> 57 #include <sys/malloc.h> 58 #include <sys/mbuf.h> 59 #include <sys/mount.h> 60 #include <sys/mutex.h> 61 #include <sys/namei.h> 62 #include <sys/proc.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> 69 #include <sys/stat.h> 70 #include <sys/syslog.h> 71 #include <sys/sysproto.h> 72 #include <sys/time.h> 73 #include <sys/uio.h> 74 #include <sys/vnode.h> 75 #include <sys/bio.h> 76 #include <sys/buf.h> 77 #include <sys/acl.h> 78 #include <sys/module.h> 79 #include <sys/sysent.h> 80 #include <sys/syscall.h> 81 #include <sys/priv.h> 82 #include <sys/kthread.h> 83 #include <sys/syscallsubr.h> 84 #include <net/if.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 <sys/md5.h> 102 #include <rpc/rpc.h> 103 #include <rpc/rpcsec_gss.h> 104 105 #include <ufs/ufs/dir.h> 106 #include <ufs/ufs/quota.h> 107 #include <ufs/ufs/inode.h> 108 #include <ufs/ufs/extattr.h> 109 #include <ufs/ufs/ufsmount.h> 110 #include <vm/uma.h> 111 #include <vm/vm.h> 112 #include <vm/pmap.h> 113 #include <vm/vm_extern.h> 114 #include <vm/vm_object.h> 115 #include <vm/vm_page.h> 116 #include <vm/vm_pageout.h> 117 #include <vm/vm_param.h> 118 #include <nfs/nfssvc.h> 119 #include "opt_nfs.h" 120 #include "opt_ufs.h" 121 122 /* 123 * These types must be defined before the nfs includes. 124 */ 125 #define NFSSOCKADDR_T struct sockaddr * 126 #define NFSPROC_T struct thread 127 #define NFSDEV_T dev_t 128 #define NFSSVCARGS nfssvc_args 129 #define NFSACL_T struct acl 130 131 /* 132 * These should be defined as the types used for the corresponding VOP's 133 * argument type. 134 */ 135 #define NFS_ACCESS_ARGS struct vop_access_args 136 #define NFS_OPEN_ARGS struct vop_open_args 137 #define NFS_GETATTR_ARGS struct vop_getattr_args 138 #define NFS_LOOKUP_ARGS struct vop_lookup_args 139 #define NFS_READDIR_ARGS struct vop_readdir_args 140 141 /* 142 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. 143 */ 144 #define NFSMGET(m) do { \ 145 MGET((m), M_WAITOK, MT_DATA); \ 146 while ((m) == NULL ) { \ 147 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 148 MGET((m), M_WAITOK, MT_DATA); \ 149 } \ 150 } while (0) 151 #define NFSMGETHDR(m) do { \ 152 MGETHDR((m), M_WAITOK, MT_DATA); \ 153 while ((m) == NULL ) { \ 154 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 155 MGETHDR((m), M_WAITOK, MT_DATA); \ 156 } \ 157 } while (0) 158 #define NFSMCLGET(m, w) do { \ 159 MGET((m), M_WAITOK, MT_DATA); \ 160 while ((m) == NULL ) { \ 161 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 162 MGET((m), M_WAITOK, MT_DATA); \ 163 } \ 164 MCLGET((m), (w)); \ 165 } while (0) 166 #define NFSMCLGETHDR(m, w) do { \ 167 MGETHDR((m), M_WAITOK, MT_DATA); \ 168 while ((m) == NULL ) { \ 169 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 170 MGETHDR((m), M_WAITOK, MT_DATA); \ 171 } \ 172 } while (0) 173 174 /* 175 * Client side constant for size of a lockowner name. 176 */ 177 #define NFSV4CL_LOCKNAMELEN 12 178 179 /* 180 * Type for a mutex lock. 181 */ 182 #define NFSMUTEX_T struct mtx 183 184 /* Define the NFSD_VNET macros similar to !VIMAGE. */ 185 #define NFSD_VNET_NAME(n) n 186 #define NFSD_VNET_DECLARE(t, n) extern t n 187 #define NFSD_VNET_DEFINE(t, n) t n 188 #define NFSD_VNET_DEFINE_STATIC(t, n) static t n 189 #define NFSD_VNET(n) (n) 190 191 #define CTLFLAG_NFSD_VNET 0 192 193 #define NFSD_CURVNET_SET(n) 194 #define NFSD_CURVNET_SET_QUIET(n) 195 #define NFSD_CURVNET_RESTORE() 196 #define NFSD_TD_TO_VNET(n) NULL 197 198 #endif /* _KERNEL */ 199 200 /* 201 * NFSv4 Operation numbers. 202 */ 203 #define NFSV4OP_ACCESS 3 204 #define NFSV4OP_CLOSE 4 205 #define NFSV4OP_COMMIT 5 206 #define NFSV4OP_CREATE 6 207 #define NFSV4OP_DELEGPURGE 7 208 #define NFSV4OP_DELEGRETURN 8 209 #define NFSV4OP_GETATTR 9 210 #define NFSV4OP_GETFH 10 211 #define NFSV4OP_LINK 11 212 #define NFSV4OP_LOCK 12 213 #define NFSV4OP_LOCKT 13 214 #define NFSV4OP_LOCKU 14 215 #define NFSV4OP_LOOKUP 15 216 #define NFSV4OP_LOOKUPP 16 217 #define NFSV4OP_NVERIFY 17 218 #define NFSV4OP_OPEN 18 219 #define NFSV4OP_OPENATTR 19 220 #define NFSV4OP_OPENCONFIRM 20 221 #define NFSV4OP_OPENDOWNGRADE 21 222 #define NFSV4OP_PUTFH 22 223 #define NFSV4OP_PUTPUBFH 23 224 #define NFSV4OP_PUTROOTFH 24 225 #define NFSV4OP_READ 25 226 #define NFSV4OP_READDIR 26 227 #define NFSV4OP_READLINK 27 228 #define NFSV4OP_REMOVE 28 229 #define NFSV4OP_RENAME 29 230 #define NFSV4OP_RENEW 30 231 #define NFSV4OP_RESTOREFH 31 232 #define NFSV4OP_SAVEFH 32 233 #define NFSV4OP_SECINFO 33 234 #define NFSV4OP_SETATTR 34 235 #define NFSV4OP_SETCLIENTID 35 236 #define NFSV4OP_SETCLIENTIDCFRM 36 237 #define NFSV4OP_VERIFY 37 238 #define NFSV4OP_WRITE 38 239 #define NFSV4OP_RELEASELCKOWN 39 240 241 /* 242 * Must be one greater than the last Operation#. 243 */ 244 #define NFSV4OP_NOPS 40 245 246 /* 247 * Additional Ops for NFSv4.1. 248 */ 249 #define NFSV4OP_BACKCHANNELCTL 40 250 #define NFSV4OP_BINDCONNTOSESS 41 251 #define NFSV4OP_EXCHANGEID 42 252 #define NFSV4OP_CREATESESSION 43 253 #define NFSV4OP_DESTROYSESSION 44 254 #define NFSV4OP_FREESTATEID 45 255 #define NFSV4OP_GETDIRDELEG 46 256 #define NFSV4OP_GETDEVINFO 47 257 #define NFSV4OP_GETDEVLIST 48 258 #define NFSV4OP_LAYOUTCOMMIT 49 259 #define NFSV4OP_LAYOUTGET 50 260 #define NFSV4OP_LAYOUTRETURN 51 261 #define NFSV4OP_SECINFONONAME 52 262 #define NFSV4OP_SEQUENCE 53 263 #define NFSV4OP_SETSSV 54 264 #define NFSV4OP_TESTSTATEID 55 265 #define NFSV4OP_WANTDELEG 56 266 #define NFSV4OP_DESTROYCLIENTID 57 267 #define NFSV4OP_RECLAIMCOMPL 58 268 269 /* 270 * Must be one more than last op#. 271 */ 272 #define NFSV41_NOPS 59 273 274 /* 275 * Additional operations for NFSv4.2. 276 */ 277 #define NFSV4OP_ALLOCATE 59 278 #define NFSV4OP_COPY 60 279 #define NFSV4OP_COPYNOTIFY 61 280 #define NFSV4OP_DEALLOCATE 62 281 #define NFSV4OP_IOADVISE 63 282 #define NFSV4OP_LAYOUTERROR 64 283 #define NFSV4OP_LAYOUTSTATS 65 284 #define NFSV4OP_OFFLOADCANCEL 66 285 #define NFSV4OP_OFFLOADSTATUS 67 286 #define NFSV4OP_READPLUS 68 287 #define NFSV4OP_SEEK 69 288 #define NFSV4OP_WRITESAME 70 289 #define NFSV4OP_CLONE 71 290 291 /* One greater than the last Operation # defined in RFC-7862. */ 292 #define NFSV42_PURENOPS 72 293 294 /* and the optional Extended attribute operations (RFC-8276). */ 295 #define NFSV4OP_GETXATTR 72 296 #define NFSV4OP_SETXATTR 73 297 #define NFSV4OP_LISTXATTRS 74 298 #define NFSV4OP_REMOVEXATTR 75 299 300 /* 301 * Must be one more than the last NFSv4.2 op#. 302 */ 303 #define NFSV42_NOPS 76 304 305 /* Quirky case if the illegal op code */ 306 #define NFSV4OP_OPILLEGAL 10044 307 308 /* 309 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV42_NOPS. 310 */ 311 #define NFSV4OP_SYMLINK (NFSV42_NOPS) 312 #define NFSV4OP_MKDIR (NFSV42_NOPS + 1) 313 #define NFSV4OP_RMDIR (NFSV42_NOPS + 2) 314 #define NFSV4OP_READDIRPLUS (NFSV42_NOPS + 3) 315 #define NFSV4OP_MKNOD (NFSV42_NOPS + 4) 316 #define NFSV4OP_FSSTAT (NFSV42_NOPS + 5) 317 #define NFSV4OP_FSINFO (NFSV42_NOPS + 6) 318 #define NFSV4OP_PATHCONF (NFSV42_NOPS + 7) 319 #define NFSV4OP_V3CREATE (NFSV42_NOPS + 8) 320 321 /* 322 * This is the count of the fake operations listed above. 323 */ 324 #define NFSV4OP_FAKENOPS 9 325 326 /* 327 * and the Callback OPs 328 */ 329 #define NFSV4OP_CBGETATTR 3 330 #define NFSV4OP_CBRECALL 4 331 332 /* 333 * Must be one greater than the last Callback Operation# for NFSv4.0. 334 */ 335 #define NFSV4OP_CBNOPS 5 336 337 /* 338 * Additional Callback Ops for NFSv4.1 only. 339 */ 340 #define NFSV4OP_CBLAYOUTRECALL 5 341 #define NFSV4OP_CBNOTIFY 6 342 #define NFSV4OP_CBPUSHDELEG 7 343 #define NFSV4OP_CBRECALLANY 8 344 #define NFSV4OP_CBRECALLOBJAVAIL 9 345 #define NFSV4OP_CBRECALLSLOT 10 346 #define NFSV4OP_CBSEQUENCE 11 347 #define NFSV4OP_CBWANTCANCELLED 12 348 #define NFSV4OP_CBNOTIFYLOCK 13 349 #define NFSV4OP_CBNOTIFYDEVID 14 350 351 #define NFSV41_CBNOPS 15 352 353 /* 354 * Additional callback operations for NFSv4.2. 355 */ 356 #define NFSV4OP_CBOFFLOAD 15 357 358 #define NFSV42_CBNOPS 16 359 360 /* 361 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher 362 * numbers used by NFSv4. 363 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is 364 * one greater than the last number. 365 */ 366 #ifndef NFS_V3NPROCS 367 #define NFS_V3NPROCS 22 368 369 #define NFSPROC_LOOKUPP 22 370 #define NFSPROC_SETCLIENTID 23 371 #define NFSPROC_SETCLIENTIDCFRM 24 372 #define NFSPROC_LOCK 25 373 #define NFSPROC_LOCKU 26 374 #define NFSPROC_OPEN 27 375 #define NFSPROC_CLOSE 28 376 #define NFSPROC_OPENCONFIRM 29 377 #define NFSPROC_LOCKT 30 378 #define NFSPROC_OPENDOWNGRADE 31 379 #define NFSPROC_RENEW 32 380 #define NFSPROC_PUTROOTFH 33 381 #define NFSPROC_RELEASELCKOWN 34 382 #define NFSPROC_DELEGRETURN 35 383 #define NFSPROC_RETDELEGREMOVE 36 384 #define NFSPROC_RETDELEGRENAME1 37 385 #define NFSPROC_RETDELEGRENAME2 38 386 #define NFSPROC_GETACL 39 387 #define NFSPROC_SETACL 40 388 389 /* 390 * Must be defined as one higher than the last Proc# above. 391 */ 392 #define NFSV4_NPROCS 41 393 394 /* Additional procedures for NFSv4.1. */ 395 #define NFSPROC_EXCHANGEID 41 396 #define NFSPROC_CREATESESSION 42 397 #define NFSPROC_DESTROYSESSION 43 398 #define NFSPROC_DESTROYCLIENT 44 399 #define NFSPROC_FREESTATEID 45 400 #define NFSPROC_LAYOUTGET 46 401 #define NFSPROC_GETDEVICEINFO 47 402 #define NFSPROC_LAYOUTCOMMIT 48 403 #define NFSPROC_LAYOUTRETURN 49 404 #define NFSPROC_RECLAIMCOMPL 50 405 #define NFSPROC_WRITEDS 51 406 #define NFSPROC_READDS 52 407 #define NFSPROC_COMMITDS 53 408 #define NFSPROC_OPENLAYGET 54 409 #define NFSPROC_CREATELAYGET 55 410 411 /* 412 * Must be defined as one higher than the last NFSv4.1 Proc# above. 413 */ 414 #define NFSV41_NPROCS 56 415 416 /* Additional procedures for NFSv4.2. */ 417 #define NFSPROC_IOADVISE 56 418 #define NFSPROC_ALLOCATE 57 419 #define NFSPROC_COPY 58 420 #define NFSPROC_SEEK 59 421 #define NFSPROC_SEEKDS 60 422 423 /* and the ones for the optional Extended attribute support (RFC-8276). */ 424 #define NFSPROC_GETEXTATTR 61 425 #define NFSPROC_SETEXTATTR 62 426 #define NFSPROC_RMEXTATTR 63 427 #define NFSPROC_LISTEXTATTR 64 428 429 /* BindConnectionToSession, done by the krpc for a new connection. */ 430 #define NFSPROC_BINDCONNTOSESS 65 431 432 /* Do a Lookup+Open for "oneopenown". */ 433 #define NFSPROC_LOOKUPOPEN 66 434 435 /* Do an NFSv4.2 Deallocate. */ 436 #define NFSPROC_DEALLOCATE 67 437 438 /* Do an NFSv4.2 LayoutError. */ 439 #define NFSPROC_LAYOUTERROR 68 440 441 /* Do an NFSv4 Verify+Write. */ 442 #define NFSPROC_APPENDWRITE 69 443 444 /* 445 * Must be defined as one higher than the last NFSv4.2 Proc# above. 446 */ 447 #define NFSV42_NPROCS 70 448 449 /* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */ 450 #define NFSV42_OLDNPROCS 69 451 452 #endif /* NFS_V3NPROCS */ 453 454 /* 455 * Newest stats structure. 456 * The vers field will be set to NFSSTATS_V1 by the caller. 457 */ 458 #define NFSSTATS_V1 2 459 struct nfsstatsv1 { 460 int vers; /* Set to version requested by caller. */ 461 uint64_t attrcache_hits; 462 uint64_t attrcache_misses; 463 uint64_t lookupcache_hits; 464 uint64_t lookupcache_misses; 465 uint64_t direofcache_hits; 466 uint64_t direofcache_misses; 467 uint64_t accesscache_hits; 468 uint64_t accesscache_misses; 469 uint64_t biocache_reads; 470 uint64_t read_bios; 471 uint64_t read_physios; 472 uint64_t biocache_writes; 473 uint64_t write_bios; 474 uint64_t write_physios; 475 uint64_t biocache_readlinks; 476 uint64_t readlink_bios; 477 uint64_t biocache_readdirs; 478 uint64_t readdir_bios; 479 uint64_t rpccnt[NFSV42_NPROCS + 10]; 480 uint64_t rpcretries; 481 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 482 uint64_t srvlayouts; 483 uint64_t cllayouts; 484 uint64_t rpcrequests; 485 uint64_t rpctimeouts; 486 uint64_t rpcunexpected; 487 uint64_t rpcinvalid; 488 uint64_t srvcache_inproghits; 489 uint64_t reserved_2; 490 uint64_t srvcache_nonidemdonehits; 491 uint64_t srvcache_misses; 492 uint64_t srvcache_tcppeak; 493 int srvcache_size; /* Updated by atomic_xx_int(). */ 494 uint64_t srvclients; 495 uint64_t srvopenowners; 496 uint64_t srvopens; 497 uint64_t srvlockowners; 498 uint64_t srvlocks; 499 uint64_t srvdelegates; 500 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 501 uint64_t clopenowners; 502 uint64_t clopens; 503 uint64_t cllockowners; 504 uint64_t cllocks; 505 uint64_t cldelegates; 506 uint64_t cllocalopenowners; 507 uint64_t cllocalopens; 508 uint64_t cllocallockowners; 509 uint64_t cllocallocks; 510 uint64_t srvstartcnt; 511 uint64_t srvdonecnt; 512 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 513 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 514 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 515 struct bintime busyfrom; 516 struct bintime busytime; 517 }; 518 519 /* 520 * Newer stats structure. 521 * The vers field will be set to NFSSTATS_OV1 by the caller. 522 */ 523 #define NFSSTATS_OV1 1 524 struct nfsstatsov1 { 525 int vers; /* Set to version requested by caller. */ 526 uint64_t attrcache_hits; 527 uint64_t attrcache_misses; 528 uint64_t lookupcache_hits; 529 uint64_t lookupcache_misses; 530 uint64_t direofcache_hits; 531 uint64_t direofcache_misses; 532 uint64_t accesscache_hits; 533 uint64_t accesscache_misses; 534 uint64_t biocache_reads; 535 uint64_t read_bios; 536 uint64_t read_physios; 537 uint64_t biocache_writes; 538 uint64_t write_bios; 539 uint64_t write_physios; 540 uint64_t biocache_readlinks; 541 uint64_t readlink_bios; 542 uint64_t biocache_readdirs; 543 uint64_t readdir_bios; 544 uint64_t rpccnt[NFSV42_OLDNPROCS]; 545 uint64_t rpcretries; 546 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 547 uint64_t reserved_0; 548 uint64_t reserved_1; 549 uint64_t rpcrequests; 550 uint64_t rpctimeouts; 551 uint64_t rpcunexpected; 552 uint64_t rpcinvalid; 553 uint64_t srvcache_inproghits; 554 uint64_t reserved_2; 555 uint64_t srvcache_nonidemdonehits; 556 uint64_t srvcache_misses; 557 uint64_t srvcache_tcppeak; 558 int srvcache_size; /* Updated by atomic_xx_int(). */ 559 uint64_t srvclients; 560 uint64_t srvopenowners; 561 uint64_t srvopens; 562 uint64_t srvlockowners; 563 uint64_t srvlocks; 564 uint64_t srvdelegates; 565 uint64_t cbrpccnt[NFSV42_CBNOPS]; 566 uint64_t clopenowners; 567 uint64_t clopens; 568 uint64_t cllockowners; 569 uint64_t cllocks; 570 uint64_t cldelegates; 571 uint64_t cllocalopenowners; 572 uint64_t cllocalopens; 573 uint64_t cllocallockowners; 574 uint64_t cllocallocks; 575 uint64_t srvstartcnt; 576 uint64_t srvdonecnt; 577 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 578 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 579 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 580 struct bintime busyfrom; 581 struct bintime busytime; 582 }; 583 584 /* 585 * Old stats structure. 586 */ 587 struct ext_nfsstats { 588 int attrcache_hits; 589 int attrcache_misses; 590 int lookupcache_hits; 591 int lookupcache_misses; 592 int direofcache_hits; 593 int direofcache_misses; 594 int accesscache_hits; 595 int accesscache_misses; 596 int biocache_reads; 597 int read_bios; 598 int read_physios; 599 int biocache_writes; 600 int write_bios; 601 int write_physios; 602 int biocache_readlinks; 603 int readlink_bios; 604 int biocache_readdirs; 605 int readdir_bios; 606 int rpccnt[NFSV4_NPROCS]; 607 int rpcretries; 608 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 609 int reserved_0; 610 int reserved_1; 611 int rpcrequests; 612 int rpctimeouts; 613 int rpcunexpected; 614 int rpcinvalid; 615 int srvcache_inproghits; 616 int reserved_2; 617 int srvcache_nonidemdonehits; 618 int srvcache_misses; 619 int srvcache_tcppeak; 620 int srvcache_size; 621 int srvclients; 622 int srvopenowners; 623 int srvopens; 624 int srvlockowners; 625 int srvlocks; 626 int srvdelegates; 627 int cbrpccnt[NFSV4OP_CBNOPS]; 628 int clopenowners; 629 int clopens; 630 int cllockowners; 631 int cllocks; 632 int cldelegates; 633 int cllocalopenowners; 634 int cllocalopens; 635 int cllocallockowners; 636 int cllocallocks; 637 }; 638 639 #ifdef _KERNEL 640 /* 641 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 642 */ 643 #ifndef NFS_NPROCS 644 #define NFS_NPROCS NFSV4_NPROCS 645 #endif 646 647 #include <fs/nfs/nfskpiport.h> 648 #include <fs/nfs/nfsdport.h> 649 #include <fs/nfs/rpcv2.h> 650 #include <fs/nfs/nfsproto.h> 651 #include <fs/nfs/nfs.h> 652 #include <fs/nfs/nfsclstate.h> 653 #include <fs/nfs/nfs_var.h> 654 #include <fs/nfs/nfsm_subs.h> 655 #include <fs/nfs/nfsrvcache.h> 656 #include <fs/nfs/nfsrvstate.h> 657 #include <fs/nfs/xdr_subs.h> 658 #include <fs/nfs/nfscl.h> 659 #include <nfsclient/nfsargs.h> 660 #include <fs/nfsclient/nfsmount.h> 661 662 /* 663 * Just to keep nfs_var.h happy. 664 */ 665 struct nfs_vattr { 666 int junk; 667 }; 668 669 struct nfsvattr { 670 struct vattr na_vattr; 671 nfsattrbit_t na_suppattr; 672 u_int64_t na_mntonfileno; 673 u_int64_t na_filesid[2]; 674 }; 675 676 #define na_type na_vattr.va_type 677 #define na_mode na_vattr.va_mode 678 #define na_nlink na_vattr.va_nlink 679 #define na_uid na_vattr.va_uid 680 #define na_gid na_vattr.va_gid 681 #define na_fsid na_vattr.va_fsid 682 #define na_fileid na_vattr.va_fileid 683 #define na_size na_vattr.va_size 684 #define na_blocksize na_vattr.va_blocksize 685 #define na_atime na_vattr.va_atime 686 #define na_mtime na_vattr.va_mtime 687 #define na_ctime na_vattr.va_ctime 688 #define na_btime na_vattr.va_birthtime 689 #define na_gen na_vattr.va_gen 690 #define na_flags na_vattr.va_flags 691 #define na_rdev na_vattr.va_rdev 692 #define na_bytes na_vattr.va_bytes 693 #define na_filerev na_vattr.va_filerev 694 #define na_vaflags na_vattr.va_vaflags 695 696 #include <fs/nfsclient/nfsnode.h> 697 698 /* 699 * This is the header structure used for the lists, etc. (It has the 700 * above record in it. 701 */ 702 struct nfsrv_stablefirst { 703 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 704 time_t nsf_eograce; /* Time grace period ends */ 705 time_t *nsf_bootvals; /* Previous boottime values */ 706 struct file *nsf_fp; /* File table pointer */ 707 u_char nsf_flags; /* NFSNSF_ flags */ 708 struct nfsf_rec nsf_rec; /* and above first record */ 709 }; 710 #define nsf_lease nsf_rec.lease 711 #define nsf_numboots nsf_rec.numboots 712 713 /* NFSNSF_xxx flags */ 714 #define NFSNSF_UPDATEDONE 0x01 715 #define NFSNSF_GRACEOVER 0x02 716 #define NFSNSF_NEEDLOCK 0x04 717 #define NFSNSF_EXPIREDCLIENT 0x08 718 #define NFSNSF_NOOPENS 0x10 719 #define NFSNSF_OK 0x20 720 721 /* 722 * Maximum number of boot times allowed in record. Although there is 723 * really no need for a fixed upper bound, this serves as a sanity check 724 * for a corrupted file. 725 */ 726 #define NFSNSF_MAXNUMBOOTS 10000 727 728 /* 729 * This structure defines the other records in the file. The 730 * nst_client array is actually the size of the client string name. 731 */ 732 struct nfst_rec { 733 u_int16_t len; 734 u_char flag; 735 u_char client[1]; 736 }; 737 /* and the values for flag */ 738 #define NFSNST_NEWSTATE 0x1 739 #define NFSNST_REVOKE 0x2 740 #define NFSNST_GOTSTATE 0x4 741 #define NFSNST_RECLAIMED 0x8 742 743 /* 744 * This structure is linked onto nfsrv_stablefirst for the duration of 745 * reclaim. 746 */ 747 struct nfsrv_stable { 748 LIST_ENTRY(nfsrv_stable) nst_list; 749 struct nfsclient *nst_clp; 750 struct nfst_rec nst_rec; 751 }; 752 #define nst_timestamp nst_rec.timestamp 753 #define nst_len nst_rec.len 754 #define nst_flag nst_rec.flag 755 #define nst_client nst_rec.client 756 757 /* 758 * At some point the server will run out of kernel storage for 759 * state structures. For FreeBSD5.2, this results in a panic 760 * kmem_map is full. It happens at well over 1000000 opens plus 761 * locks on a PIII-800 with 256Mbytes, so that is where I've set 762 * the limit. If your server panics due to too many opens/locks, 763 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 764 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 765 * increasing it. 766 */ 767 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 768 769 /* 770 * The type required differs with BSDen (just the second arg). 771 */ 772 void nfsrvd_rcv(struct socket *, void *, int); 773 774 /* 775 * Macros for handling socket addresses. (Hopefully this makes the code 776 * more portable, since I've noticed some 'BSD don't have sockaddrs in 777 * mbufs any more.) 778 */ 779 #define NFSSOCKADDR(a, t) ((t)(a)) 780 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 781 782 /* 783 * These should be defined as a process or thread structure, as required 784 * for signal handling, etc. 785 */ 786 #define NFSNEWCRED(c) (crdup(c)) 787 #define NFSPROCCRED(p) ((p)->td_ucred) 788 #define NFSFREECRED(c) (crfree(c)) 789 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 790 #define NFSPROCP(p) ((p)->td_proc) 791 792 /* 793 * Define these so that cn_hash and its length is ignored. 794 */ 795 #define NFSCNHASHZERO(c) 796 #define NFSCNHASH(c, v) 797 #define NCHNAMLEN 9999999 798 799 /* 800 * Handle SMP stuff: 801 */ 802 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 803 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 804 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 805 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 806 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 807 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 808 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 809 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 810 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 811 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 812 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 813 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 814 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 815 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 816 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 817 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 818 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 819 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 820 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 821 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 822 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 823 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 824 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 825 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 826 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 827 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 828 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 829 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 830 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 831 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 832 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 833 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 834 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 835 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 836 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 837 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 838 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 839 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 840 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 841 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 842 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 843 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 844 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 845 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 846 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 847 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 848 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 849 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 850 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 851 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 852 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 853 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 854 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 855 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 856 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 857 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 858 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 859 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 860 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 861 862 /* 863 * Use these macros to initialize/free a mutex. 864 */ 865 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 866 #define NFSFREEMUTEX(m) mtx_destroy((m)) 867 868 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 869 870 /* 871 * And weird vm stuff in the nfs server. 872 */ 873 #define PDIRUNLOCK 0x0 874 #define MAX_COMMIT_COUNT (1024 * 1024) 875 876 /* 877 * Define these to handle the type of va_rdev. 878 */ 879 #define NFSMAKEDEV(m, n) makedev((m), (n)) 880 #define NFSMAJOR(d) major(d) 881 #define NFSMINOR(d) minor(d) 882 883 /* 884 * The vnode tag for nfsv4root. 885 */ 886 #define VT_NFSV4ROOT "nfsv4root" 887 888 /* 889 * Define whatever it takes to do a vn_rdwr(). 890 */ 891 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 892 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 893 894 /* 895 * Macros for handling memory for different BSDen. 896 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 897 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 898 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 899 * NFSBZERO(cp, len) - set len bytes to 0x0 900 */ 901 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 902 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 903 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 904 #define NFSBZERO(s, l) bzero((s), (l)) 905 906 /* 907 * Some queue.h files don't have these dfined in them. 908 */ 909 #ifndef LIST_END 910 #define LIST_END(head) NULL 911 #define SLIST_END(head) NULL 912 #define TAILQ_END(head) NULL 913 #endif 914 915 /* 916 * This must be defined to be a global variable that increments once 917 * per second, but never stops or goes backwards, even when a "date" 918 * command changes the TOD clock. It is used for delta times for 919 * leases, etc. 920 */ 921 #define NFSD_MONOSEC time_uptime 922 923 /* 924 * Declare the malloc types. 925 */ 926 MALLOC_DECLARE(M_NEWNFSRVCACHE); 927 MALLOC_DECLARE(M_NEWNFSDCLIENT); 928 MALLOC_DECLARE(M_NEWNFSDSTATE); 929 MALLOC_DECLARE(M_NEWNFSDLOCK); 930 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 931 MALLOC_DECLARE(M_NEWNFSSTRING); 932 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 933 MALLOC_DECLARE(M_NEWNFSDREQ); 934 MALLOC_DECLARE(M_NEWNFSFH); 935 MALLOC_DECLARE(M_NEWNFSCLOWNER); 936 MALLOC_DECLARE(M_NEWNFSCLOPEN); 937 MALLOC_DECLARE(M_NEWNFSCLDELEG); 938 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 939 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 940 MALLOC_DECLARE(M_NEWNFSCLLOCK); 941 MALLOC_DECLARE(M_NEWNFSDIROFF); 942 MALLOC_DECLARE(M_NEWNFSV4NODE); 943 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 944 MALLOC_DECLARE(M_NEWNFSMNT); 945 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 946 MALLOC_DECLARE(M_NEWNFSLAYOUT); 947 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 948 MALLOC_DECLARE(M_NEWNFSDEVINFO); 949 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 950 MALLOC_DECLARE(M_NEWNFSCLDS); 951 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 952 MALLOC_DECLARE(M_NEWNFSDSESSION); 953 #define M_NFSRVCACHE M_NEWNFSRVCACHE 954 #define M_NFSDCLIENT M_NEWNFSDCLIENT 955 #define M_NFSDSTATE M_NEWNFSDSTATE 956 #define M_NFSDLOCK M_NEWNFSDLOCK 957 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 958 #define M_NFSSTRING M_NEWNFSSTRING 959 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 960 #define M_NFSDREQ M_NEWNFSDREQ 961 #define M_NFSFH M_NEWNFSFH 962 #define M_NFSCLOWNER M_NEWNFSCLOWNER 963 #define M_NFSCLOPEN M_NEWNFSCLOPEN 964 #define M_NFSCLDELEG M_NEWNFSCLDELEG 965 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 966 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 967 #define M_NFSCLLOCK M_NEWNFSCLLOCK 968 #define M_NFSDIROFF M_NEWNFSDIROFF 969 #define M_NFSV4NODE M_NEWNFSV4NODE 970 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 971 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 972 #define M_NFSLAYOUT M_NEWNFSLAYOUT 973 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 974 #define M_NFSDEVINFO M_NEWNFSDEVINFO 975 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 976 #define M_NFSCLDS M_NEWNFSCLDS 977 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 978 #define M_NFSDSESSION M_NEWNFSDSESSION 979 980 #define NFSINT_SIGMASK(set) \ 981 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 982 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 983 SIGISMEMBER(set, SIGQUIT)) 984 985 /* 986 * Convert a quota block count to byte count. 987 */ 988 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 989 990 /* 991 * Define this as the largest file size supported. (It should probably 992 * be available via a VFS_xxx Op, but it isn't. 993 */ 994 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 995 996 /* 997 * Set this macro to index() or strchr(), whichever is supported. 998 */ 999 #define STRCHR(s, c) strchr((s), (c)) 1000 1001 /* 1002 * Set the n_time in the client write rpc, as required. 1003 */ 1004 #define NFSWRITERPC_SETTIME(w, n, a, v4) \ 1005 do { \ 1006 if (w) { \ 1007 NFSLOCKNODE(n); \ 1008 (n)->n_mtime = (a)->na_mtime; \ 1009 if (v4) \ 1010 (n)->n_change = (a)->na_filerev; \ 1011 NFSUNLOCKNODE(n); \ 1012 } \ 1013 } while (0) 1014 1015 /* 1016 * Fake value, just to make the client work. 1017 */ 1018 #define NFS_LATTR_NOSHRINK 1 1019 1020 /* 1021 * Prototypes for functions where the arguments vary for different ports. 1022 */ 1023 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, int, int); 1024 int newnfs_realign(struct mbuf **, int); 1025 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 1026 void ncl_copy_vattr(struct vattr *dst, struct vattr *src); 1027 1028 /* 1029 * If the port runs on an SMP box that can enforce Atomic ops with low 1030 * overheads, define these as atomic increments/decrements. If not, 1031 * don't worry about it, since these are used for stats that can be 1032 * "out by one" without disastrous consequences. 1033 */ 1034 #define NFSINCRGLOBAL(a) ((a)++) 1035 #define NFSDECRGLOBAL(a) ((a)--) 1036 1037 /* 1038 * Assorted funky stuff to make things work under Darwin8. 1039 */ 1040 /* 1041 * These macros checks for a field in vattr being set. 1042 */ 1043 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1044 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1045 1046 /* 1047 * Manipulate mount flags. 1048 */ 1049 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1050 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1051 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1052 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1053 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1054 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1055 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1056 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1057 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1058 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1059 1060 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1061 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1062 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1063 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1064 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1065 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1066 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1067 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1068 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1069 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1070 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1071 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1072 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1073 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1074 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1075 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1076 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1077 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1078 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1079 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1080 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1081 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1082 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1083 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1084 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1085 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1086 (n)->nm_minorvers > 0) 1087 #define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1088 1089 /* 1090 * Set boottime. 1091 */ 1092 #define NFSSETBOOTTIME(b) (getboottime(&b)) 1093 1094 /* 1095 * The size of directory blocks in the buffer cache. 1096 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1097 */ 1098 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1099 1100 /* 1101 * Define these macros to access mnt_flag fields. 1102 */ 1103 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1104 #endif /* _KERNEL */ 1105 1106 /* 1107 * Define a structure similar to ufs_args for use in exporting the V4 root. 1108 */ 1109 struct nfsex_args { 1110 char *fspec; 1111 struct export_args export; 1112 }; 1113 1114 struct nfsex_oldargs { 1115 char *fspec; 1116 struct o2export_args export; 1117 }; 1118 1119 /* 1120 * These export flags should be defined, but there are no bits left. 1121 * Maybe a separate mnt_exflag field could be added or the mnt_flag 1122 * field increased to 64 bits? 1123 */ 1124 #ifndef MNT_EXSTRICTACCESS 1125 #define MNT_EXSTRICTACCESS 0x0 1126 #endif 1127 #ifndef MNT_EXV4ONLY 1128 #define MNT_EXV4ONLY 0x0 1129 #endif 1130 1131 #ifdef _KERNEL 1132 /* 1133 * Define this to invalidate the attribute cache for the nfs node. 1134 */ 1135 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 1136 1137 /* Used for FreeBSD only */ 1138 void nfsd_mntinit(void); 1139 1140 /* 1141 * Define these for vnode lock/unlock ops. 1142 * 1143 * These are good abstractions to macro out, so that they can be added to 1144 * later, for debugging or stats, etc. 1145 */ 1146 #define NFSVOPLOCK(v, f) vn_lock((v), (f)) 1147 #define NFSVOPUNLOCK(v) VOP_UNLOCK((v)) 1148 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 1149 1150 /* 1151 * Define ncl_hash(). 1152 */ 1153 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 1154 1155 int newnfs_iosize(struct nfsmount *); 1156 1157 int newnfs_vncmpf(struct vnode *, void *); 1158 1159 #ifndef NFS_MINDIRATTRTIMO 1160 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 1161 #endif 1162 #ifndef NFS_MAXDIRATTRTIMO 1163 #define NFS_MAXDIRATTRTIMO 60 1164 #endif 1165 1166 /* 1167 * Nfs outstanding request list element 1168 */ 1169 struct nfsreq { 1170 TAILQ_ENTRY(nfsreq) r_chain; 1171 u_int32_t r_flags; /* flags on request, see below */ 1172 struct nfsmount *r_nmp; /* Client mnt ptr */ 1173 struct mtx r_mtx; /* Mutex lock for this structure */ 1174 }; 1175 1176 #ifndef NFS_MAXBSIZE 1177 #define NFS_MAXBSIZE (maxbcachebuf) 1178 #endif 1179 1180 /* 1181 * This macro checks to see if issuing of delegations is allowed for this 1182 * vnode. 1183 */ 1184 #ifdef VV_DISABLEDELEG 1185 #define NFSVNO_DELEGOK(v) \ 1186 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 1187 #else 1188 #define NFSVNO_DELEGOK(v) (1) 1189 #endif 1190 1191 /* 1192 * Name used by getnewvnode() to describe filesystem, "nfs". 1193 * For performance reasons it is useful to have the same string 1194 * used in both places that call getnewvnode(). 1195 */ 1196 extern const char nfs_vnode_tag[]; 1197 1198 /* 1199 * Check for the errors that indicate a DS should be disabled. 1200 * ENXIO indicates that the krpc cannot do an RPC on the DS. 1201 * EIO is returned by the RPC as an indication of I/O problems on the 1202 * server. 1203 * Are there other fatal errors? 1204 */ 1205 #define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO) 1206 1207 /* 1208 * Get a pointer to the MDS session, which is always the first element 1209 * in the list. 1210 * This macro can only be safely used when the NFSLOCKMNT() lock is held. 1211 * The inline function can be used when the lock isn't held. 1212 */ 1213 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess)) 1214 1215 static __inline struct nfsclsession * 1216 nfsmnt_mdssession(struct nfsmount *nmp) 1217 { 1218 struct nfsclsession *tsep; 1219 1220 tsep = NULL; 1221 mtx_lock(&nmp->nm_mtx); 1222 if (TAILQ_FIRST(&nmp->nm_sess) != NULL) 1223 tsep = NFSMNT_MDSSESSION(nmp); 1224 mtx_unlock(&nmp->nm_mtx); 1225 return (tsep); 1226 } 1227 1228 #endif /* _KERNEL */ 1229 1230 #endif /* _NFS_NFSPORT_H */ 1231