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