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 /* Do an NFSv4.2 LayoutError. */ 425 #define NFSPROC_LAYOUTERROR 68 426 427 /* Do an NFSv4 Verify+Write. */ 428 #define NFSPROC_APPENDWRITE 69 429 430 /* 431 * Must be defined as one higher than the last NFSv4.2 Proc# above. 432 */ 433 #define NFSV42_NPROCS 70 434 435 /* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */ 436 #define NFSV42_OLDNPROCS 69 437 438 #endif /* NFS_V3NPROCS */ 439 440 /* 441 * Newest stats structure. 442 * The vers field will be set to NFSSTATS_V1 by the caller. 443 */ 444 #define NFSSTATS_V1 2 445 struct nfsstatsv1 { 446 int vers; /* Set to version requested by caller. */ 447 uint64_t attrcache_hits; 448 uint64_t attrcache_misses; 449 uint64_t lookupcache_hits; 450 uint64_t lookupcache_misses; 451 uint64_t direofcache_hits; 452 uint64_t direofcache_misses; 453 uint64_t accesscache_hits; 454 uint64_t accesscache_misses; 455 uint64_t biocache_reads; 456 uint64_t read_bios; 457 uint64_t read_physios; 458 uint64_t biocache_writes; 459 uint64_t write_bios; 460 uint64_t write_physios; 461 uint64_t biocache_readlinks; 462 uint64_t readlink_bios; 463 uint64_t biocache_readdirs; 464 uint64_t readdir_bios; 465 uint64_t rpccnt[NFSV42_NPROCS + 10]; 466 uint64_t rpcretries; 467 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 468 uint64_t srvlayouts; 469 uint64_t cllayouts; 470 uint64_t rpcrequests; 471 uint64_t rpctimeouts; 472 uint64_t rpcunexpected; 473 uint64_t rpcinvalid; 474 uint64_t srvcache_inproghits; 475 uint64_t reserved_2; 476 uint64_t srvcache_nonidemdonehits; 477 uint64_t srvcache_misses; 478 uint64_t srvcache_tcppeak; 479 int srvcache_size; /* Updated by atomic_xx_int(). */ 480 uint64_t srvclients; 481 uint64_t srvopenowners; 482 uint64_t srvopens; 483 uint64_t srvlockowners; 484 uint64_t srvlocks; 485 uint64_t srvdelegates; 486 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 487 uint64_t clopenowners; 488 uint64_t clopens; 489 uint64_t cllockowners; 490 uint64_t cllocks; 491 uint64_t cldelegates; 492 uint64_t cllocalopenowners; 493 uint64_t cllocalopens; 494 uint64_t cllocallockowners; 495 uint64_t cllocallocks; 496 uint64_t srvstartcnt; 497 uint64_t srvdonecnt; 498 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 499 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 500 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 501 struct bintime busyfrom; 502 struct bintime busytime; 503 }; 504 505 /* 506 * Newer stats structure. 507 * The vers field will be set to NFSSTATS_OV1 by the caller. 508 */ 509 #define NFSSTATS_OV1 1 510 struct nfsstatsov1 { 511 int vers; /* Set to version requested by caller. */ 512 uint64_t attrcache_hits; 513 uint64_t attrcache_misses; 514 uint64_t lookupcache_hits; 515 uint64_t lookupcache_misses; 516 uint64_t direofcache_hits; 517 uint64_t direofcache_misses; 518 uint64_t accesscache_hits; 519 uint64_t accesscache_misses; 520 uint64_t biocache_reads; 521 uint64_t read_bios; 522 uint64_t read_physios; 523 uint64_t biocache_writes; 524 uint64_t write_bios; 525 uint64_t write_physios; 526 uint64_t biocache_readlinks; 527 uint64_t readlink_bios; 528 uint64_t biocache_readdirs; 529 uint64_t readdir_bios; 530 uint64_t rpccnt[NFSV42_OLDNPROCS]; 531 uint64_t rpcretries; 532 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 533 uint64_t reserved_0; 534 uint64_t reserved_1; 535 uint64_t rpcrequests; 536 uint64_t rpctimeouts; 537 uint64_t rpcunexpected; 538 uint64_t rpcinvalid; 539 uint64_t srvcache_inproghits; 540 uint64_t reserved_2; 541 uint64_t srvcache_nonidemdonehits; 542 uint64_t srvcache_misses; 543 uint64_t srvcache_tcppeak; 544 int srvcache_size; /* Updated by atomic_xx_int(). */ 545 uint64_t srvclients; 546 uint64_t srvopenowners; 547 uint64_t srvopens; 548 uint64_t srvlockowners; 549 uint64_t srvlocks; 550 uint64_t srvdelegates; 551 uint64_t cbrpccnt[NFSV42_CBNOPS]; 552 uint64_t clopenowners; 553 uint64_t clopens; 554 uint64_t cllockowners; 555 uint64_t cllocks; 556 uint64_t cldelegates; 557 uint64_t cllocalopenowners; 558 uint64_t cllocalopens; 559 uint64_t cllocallockowners; 560 uint64_t cllocallocks; 561 uint64_t srvstartcnt; 562 uint64_t srvdonecnt; 563 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 564 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 565 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 566 struct bintime busyfrom; 567 struct bintime busytime; 568 }; 569 570 /* 571 * Old stats structure. 572 */ 573 struct ext_nfsstats { 574 int attrcache_hits; 575 int attrcache_misses; 576 int lookupcache_hits; 577 int lookupcache_misses; 578 int direofcache_hits; 579 int direofcache_misses; 580 int accesscache_hits; 581 int accesscache_misses; 582 int biocache_reads; 583 int read_bios; 584 int read_physios; 585 int biocache_writes; 586 int write_bios; 587 int write_physios; 588 int biocache_readlinks; 589 int readlink_bios; 590 int biocache_readdirs; 591 int readdir_bios; 592 int rpccnt[NFSV4_NPROCS]; 593 int rpcretries; 594 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 595 int reserved_0; 596 int reserved_1; 597 int rpcrequests; 598 int rpctimeouts; 599 int rpcunexpected; 600 int rpcinvalid; 601 int srvcache_inproghits; 602 int reserved_2; 603 int srvcache_nonidemdonehits; 604 int srvcache_misses; 605 int srvcache_tcppeak; 606 int srvcache_size; 607 int srvclients; 608 int srvopenowners; 609 int srvopens; 610 int srvlockowners; 611 int srvlocks; 612 int srvdelegates; 613 int cbrpccnt[NFSV4OP_CBNOPS]; 614 int clopenowners; 615 int clopens; 616 int cllockowners; 617 int cllocks; 618 int cldelegates; 619 int cllocalopenowners; 620 int cllocalopens; 621 int cllocallockowners; 622 int cllocallocks; 623 }; 624 625 #ifdef _KERNEL 626 /* 627 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 628 */ 629 #ifndef NFS_NPROCS 630 #define NFS_NPROCS NFSV4_NPROCS 631 #endif 632 633 #include <fs/nfs/nfskpiport.h> 634 #include <fs/nfs/nfsdport.h> 635 #include <fs/nfs/rpcv2.h> 636 #include <fs/nfs/nfsproto.h> 637 #include <fs/nfs/nfs.h> 638 #include <fs/nfs/nfsclstate.h> 639 #include <fs/nfs/nfs_var.h> 640 #include <fs/nfs/nfsm_subs.h> 641 #include <fs/nfs/nfsrvcache.h> 642 #include <fs/nfs/nfsrvstate.h> 643 #include <fs/nfs/xdr_subs.h> 644 #include <fs/nfs/nfscl.h> 645 #include <nfsclient/nfsargs.h> 646 #include <fs/nfsclient/nfsmount.h> 647 648 /* 649 * Just to keep nfs_var.h happy. 650 */ 651 struct nfs_vattr { 652 int junk; 653 }; 654 655 struct nfsvattr { 656 struct vattr na_vattr; 657 nfsattrbit_t na_suppattr; 658 u_int64_t na_mntonfileno; 659 u_int64_t na_filesid[2]; 660 }; 661 662 #define na_type na_vattr.va_type 663 #define na_mode na_vattr.va_mode 664 #define na_nlink na_vattr.va_nlink 665 #define na_uid na_vattr.va_uid 666 #define na_gid na_vattr.va_gid 667 #define na_fsid na_vattr.va_fsid 668 #define na_fileid na_vattr.va_fileid 669 #define na_size na_vattr.va_size 670 #define na_blocksize na_vattr.va_blocksize 671 #define na_atime na_vattr.va_atime 672 #define na_mtime na_vattr.va_mtime 673 #define na_ctime na_vattr.va_ctime 674 #define na_btime na_vattr.va_birthtime 675 #define na_gen na_vattr.va_gen 676 #define na_flags na_vattr.va_flags 677 #define na_rdev na_vattr.va_rdev 678 #define na_bytes na_vattr.va_bytes 679 #define na_filerev na_vattr.va_filerev 680 #define na_vaflags na_vattr.va_vaflags 681 682 #include <fs/nfsclient/nfsnode.h> 683 684 /* 685 * This is the header structure used for the lists, etc. (It has the 686 * above record in it. 687 */ 688 struct nfsrv_stablefirst { 689 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 690 time_t nsf_eograce; /* Time grace period ends */ 691 time_t *nsf_bootvals; /* Previous boottime values */ 692 struct file *nsf_fp; /* File table pointer */ 693 u_char nsf_flags; /* NFSNSF_ flags */ 694 struct nfsf_rec nsf_rec; /* and above first record */ 695 }; 696 #define nsf_lease nsf_rec.lease 697 #define nsf_numboots nsf_rec.numboots 698 699 /* NFSNSF_xxx flags */ 700 #define NFSNSF_UPDATEDONE 0x01 701 #define NFSNSF_GRACEOVER 0x02 702 #define NFSNSF_NEEDLOCK 0x04 703 #define NFSNSF_EXPIREDCLIENT 0x08 704 #define NFSNSF_NOOPENS 0x10 705 #define NFSNSF_OK 0x20 706 707 /* 708 * Maximum number of boot times allowed in record. Although there is 709 * really no need for a fixed upper bound, this serves as a sanity check 710 * for a corrupted file. 711 */ 712 #define NFSNSF_MAXNUMBOOTS 10000 713 714 /* 715 * This structure defines the other records in the file. The 716 * nst_client array is actually the size of the client string name. 717 */ 718 struct nfst_rec { 719 u_int16_t len; 720 u_char flag; 721 u_char client[1]; 722 }; 723 /* and the values for flag */ 724 #define NFSNST_NEWSTATE 0x1 725 #define NFSNST_REVOKE 0x2 726 #define NFSNST_GOTSTATE 0x4 727 #define NFSNST_RECLAIMED 0x8 728 729 /* 730 * This structure is linked onto nfsrv_stablefirst for the duration of 731 * reclaim. 732 */ 733 struct nfsrv_stable { 734 LIST_ENTRY(nfsrv_stable) nst_list; 735 struct nfsclient *nst_clp; 736 struct nfst_rec nst_rec; 737 }; 738 #define nst_timestamp nst_rec.timestamp 739 #define nst_len nst_rec.len 740 #define nst_flag nst_rec.flag 741 #define nst_client nst_rec.client 742 743 /* 744 * At some point the server will run out of kernel storage for 745 * state structures. For FreeBSD5.2, this results in a panic 746 * kmem_map is full. It happens at well over 1000000 opens plus 747 * locks on a PIII-800 with 256Mbytes, so that is where I've set 748 * the limit. If your server panics due to too many opens/locks, 749 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 750 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 751 * increasing it. 752 */ 753 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 754 755 /* 756 * The type required differs with BSDen (just the second arg). 757 */ 758 void nfsrvd_rcv(struct socket *, void *, int); 759 760 /* 761 * Macros for handling socket addresses. (Hopefully this makes the code 762 * more portable, since I've noticed some 'BSD don't have sockaddrs in 763 * mbufs any more.) 764 */ 765 #define NFSSOCKADDR(a, t) ((t)(a)) 766 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 767 768 /* 769 * These should be defined as a process or thread structure, as required 770 * for signal handling, etc. 771 */ 772 #define NFSNEWCRED(c) (crdup(c)) 773 #define NFSPROCCRED(p) ((p)->td_ucred) 774 #define NFSFREECRED(c) (crfree(c)) 775 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 776 #define NFSPROCP(p) ((p)->td_proc) 777 778 /* 779 * Define these so that cn_hash and its length is ignored. 780 */ 781 #define NFSCNHASHZERO(c) 782 #define NFSCNHASH(c, v) 783 #define NCHNAMLEN 9999999 784 785 /* 786 * Handle SMP stuff: 787 */ 788 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 789 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 790 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 791 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 792 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 793 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 794 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 795 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 796 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 797 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 798 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 799 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 800 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 801 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 802 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 803 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 804 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 805 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 806 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 807 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 808 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 809 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 810 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 811 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 812 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 813 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 814 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 815 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 816 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 817 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 818 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 819 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 820 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 821 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 822 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 823 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 824 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 825 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 826 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 827 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 828 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 829 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 830 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 831 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 832 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 833 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 834 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 835 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 836 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 837 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 838 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 839 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 840 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 841 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 842 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 843 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 844 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 845 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 846 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 847 848 /* 849 * Use these macros to initialize/free a mutex. 850 */ 851 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 852 #define NFSFREEMUTEX(m) mtx_destroy((m)) 853 854 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 855 856 /* 857 * And weird vm stuff in the nfs server. 858 */ 859 #define PDIRUNLOCK 0x0 860 #define MAX_COMMIT_COUNT (1024 * 1024) 861 862 /* 863 * Define these to handle the type of va_rdev. 864 */ 865 #define NFSMAKEDEV(m, n) makedev((m), (n)) 866 #define NFSMAJOR(d) major(d) 867 #define NFSMINOR(d) minor(d) 868 869 /* 870 * The vnode tag for nfsv4root. 871 */ 872 #define VT_NFSV4ROOT "nfsv4root" 873 874 /* 875 * Define whatever it takes to do a vn_rdwr(). 876 */ 877 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 878 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 879 880 /* 881 * Macros for handling memory for different BSDen. 882 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 883 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 884 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 885 * NFSBZERO(cp, len) - set len bytes to 0x0 886 */ 887 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 888 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 889 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 890 #define NFSBZERO(s, l) bzero((s), (l)) 891 892 /* 893 * Some queue.h files don't have these dfined in them. 894 */ 895 #ifndef LIST_END 896 #define LIST_END(head) NULL 897 #define SLIST_END(head) NULL 898 #define TAILQ_END(head) NULL 899 #endif 900 901 /* 902 * This must be defined to be a global variable that increments once 903 * per second, but never stops or goes backwards, even when a "date" 904 * command changes the TOD clock. It is used for delta times for 905 * leases, etc. 906 */ 907 #define NFSD_MONOSEC time_uptime 908 909 /* 910 * Declare the malloc types. 911 */ 912 MALLOC_DECLARE(M_NEWNFSRVCACHE); 913 MALLOC_DECLARE(M_NEWNFSDCLIENT); 914 MALLOC_DECLARE(M_NEWNFSDSTATE); 915 MALLOC_DECLARE(M_NEWNFSDLOCK); 916 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 917 MALLOC_DECLARE(M_NEWNFSSTRING); 918 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 919 MALLOC_DECLARE(M_NEWNFSDREQ); 920 MALLOC_DECLARE(M_NEWNFSFH); 921 MALLOC_DECLARE(M_NEWNFSCLOWNER); 922 MALLOC_DECLARE(M_NEWNFSCLOPEN); 923 MALLOC_DECLARE(M_NEWNFSCLDELEG); 924 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 925 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 926 MALLOC_DECLARE(M_NEWNFSCLLOCK); 927 MALLOC_DECLARE(M_NEWNFSDIROFF); 928 MALLOC_DECLARE(M_NEWNFSV4NODE); 929 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 930 MALLOC_DECLARE(M_NEWNFSMNT); 931 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 932 MALLOC_DECLARE(M_NEWNFSLAYOUT); 933 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 934 MALLOC_DECLARE(M_NEWNFSDEVINFO); 935 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 936 MALLOC_DECLARE(M_NEWNFSCLDS); 937 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 938 MALLOC_DECLARE(M_NEWNFSDSESSION); 939 #define M_NFSRVCACHE M_NEWNFSRVCACHE 940 #define M_NFSDCLIENT M_NEWNFSDCLIENT 941 #define M_NFSDSTATE M_NEWNFSDSTATE 942 #define M_NFSDLOCK M_NEWNFSDLOCK 943 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 944 #define M_NFSSTRING M_NEWNFSSTRING 945 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 946 #define M_NFSDREQ M_NEWNFSDREQ 947 #define M_NFSFH M_NEWNFSFH 948 #define M_NFSCLOWNER M_NEWNFSCLOWNER 949 #define M_NFSCLOPEN M_NEWNFSCLOPEN 950 #define M_NFSCLDELEG M_NEWNFSCLDELEG 951 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 952 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 953 #define M_NFSCLLOCK M_NEWNFSCLLOCK 954 #define M_NFSDIROFF M_NEWNFSDIROFF 955 #define M_NFSV4NODE M_NEWNFSV4NODE 956 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 957 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 958 #define M_NFSLAYOUT M_NEWNFSLAYOUT 959 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 960 #define M_NFSDEVINFO M_NEWNFSDEVINFO 961 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 962 #define M_NFSCLDS M_NEWNFSCLDS 963 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 964 #define M_NFSDSESSION M_NEWNFSDSESSION 965 966 #define NFSINT_SIGMASK(set) \ 967 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 968 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 969 SIGISMEMBER(set, SIGQUIT)) 970 971 /* 972 * Convert a quota block count to byte count. 973 */ 974 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 975 976 /* 977 * Define this as the largest file size supported. (It should probably 978 * be available via a VFS_xxx Op, but it isn't. 979 */ 980 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 981 982 /* 983 * Set this macro to index() or strchr(), whichever is supported. 984 */ 985 #define STRCHR(s, c) strchr((s), (c)) 986 987 /* 988 * Set the n_time in the client write rpc, as required. 989 */ 990 #define NFSWRITERPC_SETTIME(w, n, a, v4) \ 991 do { \ 992 if (w) { \ 993 NFSLOCKNODE(n); \ 994 (n)->n_mtime = (a)->na_mtime; \ 995 if (v4) \ 996 (n)->n_change = (a)->na_filerev; \ 997 NFSUNLOCKNODE(n); \ 998 } \ 999 } while (0) 1000 1001 /* 1002 * Fake value, just to make the client work. 1003 */ 1004 #define NFS_LATTR_NOSHRINK 1 1005 1006 /* 1007 * Prototypes for functions where the arguments vary for different ports. 1008 */ 1009 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, int, int); 1010 int newnfs_realign(struct mbuf **, int); 1011 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 1012 void ncl_copy_vattr(struct vattr *dst, struct vattr *src); 1013 1014 /* 1015 * If the port runs on an SMP box that can enforce Atomic ops with low 1016 * overheads, define these as atomic increments/decrements. If not, 1017 * don't worry about it, since these are used for stats that can be 1018 * "out by one" without disastrous consequences. 1019 */ 1020 #define NFSINCRGLOBAL(a) ((a)++) 1021 #define NFSDECRGLOBAL(a) ((a)--) 1022 1023 /* 1024 * Assorted funky stuff to make things work under Darwin8. 1025 */ 1026 /* 1027 * These macros checks for a field in vattr being set. 1028 */ 1029 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1030 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1031 1032 /* 1033 * Manipulate mount flags. 1034 */ 1035 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1036 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1037 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1038 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1039 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1040 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1041 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1042 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1043 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1044 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1045 1046 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1047 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1048 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1049 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1050 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1051 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1052 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1053 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1054 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1055 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1056 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1057 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1058 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1059 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1060 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1061 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1062 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1063 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1064 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1065 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1066 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1067 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1068 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1069 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1070 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1071 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1072 (n)->nm_minorvers > 0) 1073 #define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1074 1075 /* 1076 * Set boottime. 1077 */ 1078 #define NFSSETBOOTTIME(b) (getboottime(&b)) 1079 1080 /* 1081 * The size of directory blocks in the buffer cache. 1082 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1083 */ 1084 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1085 1086 /* 1087 * Define these macros to access mnt_flag fields. 1088 */ 1089 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1090 #endif /* _KERNEL */ 1091 1092 /* 1093 * Define a structure similar to ufs_args for use in exporting the V4 root. 1094 */ 1095 struct nfsex_args { 1096 char *fspec; 1097 struct export_args export; 1098 }; 1099 1100 struct nfsex_oldargs { 1101 char *fspec; 1102 struct o2export_args export; 1103 }; 1104 1105 /* 1106 * These export flags should be defined, but there are no bits left. 1107 * Maybe a separate mnt_exflag field could be added or the mnt_flag 1108 * field increased to 64 bits? 1109 */ 1110 #ifndef MNT_EXSTRICTACCESS 1111 #define MNT_EXSTRICTACCESS 0x0 1112 #endif 1113 #ifndef MNT_EXV4ONLY 1114 #define MNT_EXV4ONLY 0x0 1115 #endif 1116 1117 #ifdef _KERNEL 1118 /* 1119 * Define this to invalidate the attribute cache for the nfs node. 1120 */ 1121 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 1122 1123 /* Used for FreeBSD only */ 1124 void nfsd_mntinit(void); 1125 1126 /* 1127 * Define these for vnode lock/unlock ops. 1128 * 1129 * These are good abstractions to macro out, so that they can be added to 1130 * later, for debugging or stats, etc. 1131 */ 1132 #define NFSVOPLOCK(v, f) vn_lock((v), (f)) 1133 #define NFSVOPUNLOCK(v) VOP_UNLOCK((v)) 1134 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 1135 1136 /* 1137 * Define ncl_hash(). 1138 */ 1139 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 1140 1141 int newnfs_iosize(struct nfsmount *); 1142 1143 int newnfs_vncmpf(struct vnode *, void *); 1144 1145 #ifndef NFS_MINDIRATTRTIMO 1146 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 1147 #endif 1148 #ifndef NFS_MAXDIRATTRTIMO 1149 #define NFS_MAXDIRATTRTIMO 60 1150 #endif 1151 1152 /* 1153 * Nfs outstanding request list element 1154 */ 1155 struct nfsreq { 1156 TAILQ_ENTRY(nfsreq) r_chain; 1157 u_int32_t r_flags; /* flags on request, see below */ 1158 struct nfsmount *r_nmp; /* Client mnt ptr */ 1159 struct mtx r_mtx; /* Mutex lock for this structure */ 1160 }; 1161 1162 #ifndef NFS_MAXBSIZE 1163 #define NFS_MAXBSIZE (maxbcachebuf) 1164 #endif 1165 1166 /* 1167 * This macro checks to see if issuing of delegations is allowed for this 1168 * vnode. 1169 */ 1170 #ifdef VV_DISABLEDELEG 1171 #define NFSVNO_DELEGOK(v) \ 1172 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 1173 #else 1174 #define NFSVNO_DELEGOK(v) (1) 1175 #endif 1176 1177 /* 1178 * Name used by getnewvnode() to describe filesystem, "nfs". 1179 * For performance reasons it is useful to have the same string 1180 * used in both places that call getnewvnode(). 1181 */ 1182 extern const char nfs_vnode_tag[]; 1183 1184 /* 1185 * Check for the errors that indicate a DS should be disabled. 1186 * ENXIO indicates that the krpc cannot do an RPC on the DS. 1187 * EIO is returned by the RPC as an indication of I/O problems on the 1188 * server. 1189 * Are there other fatal errors? 1190 */ 1191 #define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO) 1192 1193 /* 1194 * Get a pointer to the MDS session, which is always the first element 1195 * in the list. 1196 * This macro can only be safely used when the NFSLOCKMNT() lock is held. 1197 * The inline function can be used when the lock isn't held. 1198 */ 1199 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess)) 1200 1201 static __inline struct nfsclsession * 1202 nfsmnt_mdssession(struct nfsmount *nmp) 1203 { 1204 struct nfsclsession *tsep; 1205 1206 tsep = NULL; 1207 mtx_lock(&nmp->nm_mtx); 1208 if (TAILQ_FIRST(&nmp->nm_sess) != NULL) 1209 tsep = NFSMNT_MDSSESSION(nmp); 1210 mtx_unlock(&nmp->nm_mtx); 1211 return (tsep); 1212 } 1213 1214 #endif /* _KERNEL */ 1215 1216 #endif /* _NFS_NFSPORT_H */ 1217