1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Rick Macklem at The University of Guelph. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _NFS_NFSPORT_H_ 36 #define _NFS_NFSPORT_H_ 37 38 /* 39 * In general, I'm not fond of #includes in .h files, but this seems 40 * to be the cleanest way to handle #include files for the ports. 41 */ 42 #ifdef _KERNEL 43 #include <sys/unistd.h> 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/conf.h> 47 #include <sys/dirent.h> 48 #include <sys/domain.h> 49 #include <sys/fcntl.h> 50 #include <sys/file.h> 51 #include <sys/filedesc.h> 52 #include <sys/jail.h> 53 #include <sys/kernel.h> 54 #include <sys/lockf.h> 55 #include <sys/malloc.h> 56 #include <sys/mbuf.h> 57 #include <sys/mount.h> 58 #include <sys/mutex.h> 59 #include <sys/namei.h> 60 #include <sys/proc.h> 61 #include <sys/protosw.h> 62 #include <sys/reboot.h> 63 #include <sys/resourcevar.h> 64 #include <sys/signalvar.h> 65 #include <sys/socket.h> 66 #include <sys/socketvar.h> 67 #include <sys/stat.h> 68 #include <sys/syslog.h> 69 #include <sys/sysproto.h> 70 #include <sys/time.h> 71 #include <sys/uio.h> 72 #include <sys/vnode.h> 73 #include <sys/bio.h> 74 #include <sys/buf.h> 75 #include <sys/acl.h> 76 #include <sys/module.h> 77 #include <sys/sysent.h> 78 #include <sys/syscall.h> 79 #include <sys/priv.h> 80 #include <sys/kthread.h> 81 #include <sys/syscallsubr.h> 82 #include <net/if.h> 83 #include <net/if_var.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 #include <net/if_dl.h> 87 #include <netinet/in.h> 88 #include <netinet/in_pcb.h> 89 #include <netinet/in_systm.h> 90 #include <netinet/in_var.h> 91 #include <netinet/ip.h> 92 #include <netinet/ip_var.h> 93 #include <netinet/tcp.h> 94 #include <netinet/tcp_fsm.h> 95 #include <netinet/tcp_seq.h> 96 #include <netinet/tcp_timer.h> 97 #include <netinet/tcp_var.h> 98 #include <machine/in_cksum.h> 99 #include <sys/md5.h> 100 #include <rpc/rpc.h> 101 #include <rpc/rpcsec_gss.h> 102 103 #include <ufs/ufs/dir.h> 104 #include <ufs/ufs/quota.h> 105 #include <ufs/ufs/inode.h> 106 #include <ufs/ufs/extattr.h> 107 #include <ufs/ufs/ufsmount.h> 108 #include <vm/uma.h> 109 #include <vm/vm.h> 110 #include <vm/pmap.h> 111 #include <vm/vm_extern.h> 112 #include <vm/vm_object.h> 113 #include <vm/vm_page.h> 114 #include <vm/vm_pageout.h> 115 #include <vm/vm_param.h> 116 #include <nfs/nfssvc.h> 117 #include "opt_nfs.h" 118 #include "opt_ufs.h" 119 120 /* 121 * These types must be defined before the nfs includes. 122 */ 123 #define NFSSOCKADDR_T struct sockaddr * 124 #define NFSPROC_T struct thread 125 #define NFSDEV_T dev_t 126 #define NFSSVCARGS nfssvc_args 127 #define NFSACL_T struct acl 128 129 /* 130 * These should be defined as the types used for the corresponding VOP's 131 * argument type. 132 */ 133 #define NFS_ACCESS_ARGS struct vop_access_args 134 #define NFS_OPEN_ARGS struct vop_open_args 135 #define NFS_GETATTR_ARGS struct vop_getattr_args 136 #define NFS_LOOKUP_ARGS struct vop_lookup_args 137 #define NFS_READDIR_ARGS struct vop_readdir_args 138 139 /* 140 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. 141 */ 142 #define NFSMGET(m) do { \ 143 MGET((m), M_WAITOK, MT_DATA); \ 144 while ((m) == NULL ) { \ 145 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 146 MGET((m), M_WAITOK, MT_DATA); \ 147 } \ 148 } while (0) 149 #define NFSMGETHDR(m) do { \ 150 MGETHDR((m), M_WAITOK, MT_DATA); \ 151 while ((m) == NULL ) { \ 152 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 153 MGETHDR((m), M_WAITOK, MT_DATA); \ 154 } \ 155 } while (0) 156 #define NFSMCLGET(m, w) do { \ 157 MGET((m), M_WAITOK, MT_DATA); \ 158 while ((m) == NULL ) { \ 159 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 160 MGET((m), M_WAITOK, MT_DATA); \ 161 } \ 162 MCLGET((m), (w)); \ 163 } while (0) 164 #define NFSMCLGETHDR(m, w) do { \ 165 MGETHDR((m), M_WAITOK, MT_DATA); \ 166 while ((m) == NULL ) { \ 167 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 168 MGETHDR((m), M_WAITOK, MT_DATA); \ 169 } \ 170 } while (0) 171 172 /* 173 * Client side constant for size of a lockowner name. 174 */ 175 #define NFSV4CL_LOCKNAMELEN 12 176 177 /* 178 * Type for a mutex lock. 179 */ 180 #define NFSMUTEX_T struct mtx 181 182 /* Just define the NFSD_VNETxxx() macros as VNETxxx() macros. */ 183 #define NFSD_VNET_NAME(n) VNET_NAME(n) 184 #define NFSD_VNET_DECLARE(t, n) VNET_DECLARE(t, n) 185 #define NFSD_VNET_DEFINE(t, n) VNET_DEFINE(t, n) 186 #define NFSD_VNET_DEFINE_STATIC(t, n) VNET_DEFINE_STATIC(t, n) 187 #define NFSD_VNET(n) VNET(n) 188 189 #define CTLFLAG_NFSD_VNET CTLFLAG_VNET 190 191 #define NFSD_CURVNET_SET(n) CURVNET_SET(n) 192 #define NFSD_CURVNET_SET_QUIET(n) CURVNET_SET_QUIET(n) 193 #define NFSD_CURVNET_RESTORE() CURVNET_RESTORE() 194 #define NFSD_TD_TO_VNET(n) TD_TO_VNET(n) 195 196 #endif /* _KERNEL */ 197 198 /* 199 * NFSv4 Operation numbers. 200 */ 201 #define NFSV4OP_ACCESS 3 202 #define NFSV4OP_CLOSE 4 203 #define NFSV4OP_COMMIT 5 204 #define NFSV4OP_CREATE 6 205 #define NFSV4OP_DELEGPURGE 7 206 #define NFSV4OP_DELEGRETURN 8 207 #define NFSV4OP_GETATTR 9 208 #define NFSV4OP_GETFH 10 209 #define NFSV4OP_LINK 11 210 #define NFSV4OP_LOCK 12 211 #define NFSV4OP_LOCKT 13 212 #define NFSV4OP_LOCKU 14 213 #define NFSV4OP_LOOKUP 15 214 #define NFSV4OP_LOOKUPP 16 215 #define NFSV4OP_NVERIFY 17 216 #define NFSV4OP_OPEN 18 217 #define NFSV4OP_OPENATTR 19 218 #define NFSV4OP_OPENCONFIRM 20 219 #define NFSV4OP_OPENDOWNGRADE 21 220 #define NFSV4OP_PUTFH 22 221 #define NFSV4OP_PUTPUBFH 23 222 #define NFSV4OP_PUTROOTFH 24 223 #define NFSV4OP_READ 25 224 #define NFSV4OP_READDIR 26 225 #define NFSV4OP_READLINK 27 226 #define NFSV4OP_REMOVE 28 227 #define NFSV4OP_RENAME 29 228 #define NFSV4OP_RENEW 30 229 #define NFSV4OP_RESTOREFH 31 230 #define NFSV4OP_SAVEFH 32 231 #define NFSV4OP_SECINFO 33 232 #define NFSV4OP_SETATTR 34 233 #define NFSV4OP_SETCLIENTID 35 234 #define NFSV4OP_SETCLIENTIDCFRM 36 235 #define NFSV4OP_VERIFY 37 236 #define NFSV4OP_WRITE 38 237 #define NFSV4OP_RELEASELCKOWN 39 238 239 /* 240 * Must be one greater than the last Operation#. 241 */ 242 #define NFSV4OP_NOPS 40 243 244 /* 245 * Additional Ops for NFSv4.1. 246 */ 247 #define NFSV4OP_BACKCHANNELCTL 40 248 #define NFSV4OP_BINDCONNTOSESS 41 249 #define NFSV4OP_EXCHANGEID 42 250 #define NFSV4OP_CREATESESSION 43 251 #define NFSV4OP_DESTROYSESSION 44 252 #define NFSV4OP_FREESTATEID 45 253 #define NFSV4OP_GETDIRDELEG 46 254 #define NFSV4OP_GETDEVINFO 47 255 #define NFSV4OP_GETDEVLIST 48 256 #define NFSV4OP_LAYOUTCOMMIT 49 257 #define NFSV4OP_LAYOUTGET 50 258 #define NFSV4OP_LAYOUTRETURN 51 259 #define NFSV4OP_SECINFONONAME 52 260 #define NFSV4OP_SEQUENCE 53 261 #define NFSV4OP_SETSSV 54 262 #define NFSV4OP_TESTSTATEID 55 263 #define NFSV4OP_WANTDELEG 56 264 #define NFSV4OP_DESTROYCLIENTID 57 265 #define NFSV4OP_RECLAIMCOMPL 58 266 267 /* 268 * Must be one more than last op#. 269 */ 270 #define NFSV41_NOPS 59 271 272 /* 273 * Additional operations for NFSv4.2. 274 */ 275 #define NFSV4OP_ALLOCATE 59 276 #define NFSV4OP_COPY 60 277 #define NFSV4OP_COPYNOTIFY 61 278 #define NFSV4OP_DEALLOCATE 62 279 #define NFSV4OP_IOADVISE 63 280 #define NFSV4OP_LAYOUTERROR 64 281 #define NFSV4OP_LAYOUTSTATS 65 282 #define NFSV4OP_OFFLOADCANCEL 66 283 #define NFSV4OP_OFFLOADSTATUS 67 284 #define NFSV4OP_READPLUS 68 285 #define NFSV4OP_SEEK 69 286 #define NFSV4OP_WRITESAME 70 287 #define NFSV4OP_CLONE 71 288 289 /* One greater than the last Operation # defined in RFC-7862. */ 290 #define NFSV42_PURENOPS 72 291 292 /* and the optional Extended attribute operations (RFC-8276). */ 293 #define NFSV4OP_GETXATTR 72 294 #define NFSV4OP_SETXATTR 73 295 #define NFSV4OP_LISTXATTRS 74 296 #define NFSV4OP_REMOVEXATTR 75 297 298 /* 299 * Must be one more than the last NFSv4.2 op#. 300 */ 301 #define NFSV42_NOPS 76 302 303 /* Quirky case if the illegal op code */ 304 #define NFSV4OP_OPILLEGAL 10044 305 306 /* 307 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV42_NOPS. 308 */ 309 #define NFSV4OP_SYMLINK (NFSV42_NOPS) 310 #define NFSV4OP_MKDIR (NFSV42_NOPS + 1) 311 #define NFSV4OP_RMDIR (NFSV42_NOPS + 2) 312 #define NFSV4OP_READDIRPLUS (NFSV42_NOPS + 3) 313 #define NFSV4OP_MKNOD (NFSV42_NOPS + 4) 314 #define NFSV4OP_FSSTAT (NFSV42_NOPS + 5) 315 #define NFSV4OP_FSINFO (NFSV42_NOPS + 6) 316 #define NFSV4OP_PATHCONF (NFSV42_NOPS + 7) 317 #define NFSV4OP_V3CREATE (NFSV42_NOPS + 8) 318 319 /* 320 * This is the count of the fake operations listed above. 321 */ 322 #define NFSV4OP_FAKENOPS 9 323 324 /* 325 * and the Callback OPs 326 */ 327 #define NFSV4OP_CBGETATTR 3 328 #define NFSV4OP_CBRECALL 4 329 330 /* 331 * Must be one greater than the last Callback Operation# for NFSv4.0. 332 */ 333 #define NFSV4OP_CBNOPS 5 334 335 /* 336 * Additional Callback Ops for NFSv4.1 only. 337 */ 338 #define NFSV4OP_CBLAYOUTRECALL 5 339 #define NFSV4OP_CBNOTIFY 6 340 #define NFSV4OP_CBPUSHDELEG 7 341 #define NFSV4OP_CBRECALLANY 8 342 #define NFSV4OP_CBRECALLOBJAVAIL 9 343 #define NFSV4OP_CBRECALLSLOT 10 344 #define NFSV4OP_CBSEQUENCE 11 345 #define NFSV4OP_CBWANTCANCELLED 12 346 #define NFSV4OP_CBNOTIFYLOCK 13 347 #define NFSV4OP_CBNOTIFYDEVID 14 348 349 #define NFSV41_CBNOPS 15 350 351 /* 352 * Additional callback operations for NFSv4.2. 353 */ 354 #define NFSV4OP_CBOFFLOAD 15 355 356 #define NFSV42_CBNOPS 16 357 358 /* 359 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher 360 * numbers used by NFSv4. 361 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is 362 * one greater than the last number. 363 */ 364 #ifndef NFS_V3NPROCS 365 #define NFS_V3NPROCS 22 366 367 #define NFSPROC_LOOKUPP 22 368 #define NFSPROC_SETCLIENTID 23 369 #define NFSPROC_SETCLIENTIDCFRM 24 370 #define NFSPROC_LOCK 25 371 #define NFSPROC_LOCKU 26 372 #define NFSPROC_OPEN 27 373 #define NFSPROC_CLOSE 28 374 #define NFSPROC_OPENCONFIRM 29 375 #define NFSPROC_LOCKT 30 376 #define NFSPROC_OPENDOWNGRADE 31 377 #define NFSPROC_RENEW 32 378 #define NFSPROC_PUTROOTFH 33 379 #define NFSPROC_RELEASELCKOWN 34 380 #define NFSPROC_DELEGRETURN 35 381 #define NFSPROC_RETDELEGREMOVE 36 382 #define NFSPROC_RETDELEGRENAME1 37 383 #define NFSPROC_RETDELEGRENAME2 38 384 #define NFSPROC_GETACL 39 385 #define NFSPROC_SETACL 40 386 387 /* 388 * Must be defined as one higher than the last Proc# above. 389 */ 390 #define NFSV4_NPROCS 41 391 392 /* Additional procedures for NFSv4.1. */ 393 #define NFSPROC_EXCHANGEID 41 394 #define NFSPROC_CREATESESSION 42 395 #define NFSPROC_DESTROYSESSION 43 396 #define NFSPROC_DESTROYCLIENT 44 397 #define NFSPROC_FREESTATEID 45 398 #define NFSPROC_LAYOUTGET 46 399 #define NFSPROC_GETDEVICEINFO 47 400 #define NFSPROC_LAYOUTCOMMIT 48 401 #define NFSPROC_LAYOUTRETURN 49 402 #define NFSPROC_RECLAIMCOMPL 50 403 #define NFSPROC_WRITEDS 51 404 #define NFSPROC_READDS 52 405 #define NFSPROC_COMMITDS 53 406 #define NFSPROC_OPENLAYGET 54 407 #define NFSPROC_CREATELAYGET 55 408 409 /* 410 * Must be defined as one higher than the last NFSv4.1 Proc# above. 411 */ 412 #define NFSV41_NPROCS 56 413 414 /* Additional procedures for NFSv4.2. */ 415 #define NFSPROC_IOADVISE 56 416 #define NFSPROC_ALLOCATE 57 417 #define NFSPROC_COPY 58 418 #define NFSPROC_SEEK 59 419 #define NFSPROC_SEEKDS 60 420 421 /* and the ones for the optional Extended attribute support (RFC-8276). */ 422 #define NFSPROC_GETEXTATTR 61 423 #define NFSPROC_SETEXTATTR 62 424 #define NFSPROC_RMEXTATTR 63 425 #define NFSPROC_LISTEXTATTR 64 426 427 /* BindConnectionToSession, done by the krpc for a new connection. */ 428 #define NFSPROC_BINDCONNTOSESS 65 429 430 /* Do a Lookup+Open for "oneopenown". */ 431 #define NFSPROC_LOOKUPOPEN 66 432 433 /* Do an NFSv4.2 Deallocate. */ 434 #define NFSPROC_DEALLOCATE 67 435 436 /* Do an NFSv4.2 LayoutError. */ 437 #define NFSPROC_LAYOUTERROR 68 438 439 /* Do an NFSv4 Verify+Write. */ 440 #define NFSPROC_APPENDWRITE 69 441 442 /* 443 * Must be defined as one higher than the last NFSv4.2 Proc# above. 444 */ 445 #define NFSV42_NPROCS 70 446 447 /* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */ 448 #define NFSV42_OLDNPROCS 69 449 450 #endif /* NFS_V3NPROCS */ 451 452 /* 453 * Newest stats structure. 454 * The vers field will be set to NFSSTATS_V1 by the caller. 455 */ 456 #define NFSSTATS_V1 2 457 struct nfsstatsv1 { 458 int vers; /* Set to version requested by caller. */ 459 uint64_t attrcache_hits; 460 uint64_t attrcache_misses; 461 uint64_t lookupcache_hits; 462 uint64_t lookupcache_misses; 463 uint64_t direofcache_hits; 464 uint64_t direofcache_misses; 465 uint64_t accesscache_hits; 466 uint64_t accesscache_misses; 467 uint64_t biocache_reads; 468 uint64_t read_bios; 469 uint64_t read_physios; 470 uint64_t biocache_writes; 471 uint64_t write_bios; 472 uint64_t write_physios; 473 uint64_t biocache_readlinks; 474 uint64_t readlink_bios; 475 uint64_t biocache_readdirs; 476 uint64_t readdir_bios; 477 uint64_t rpccnt[NFSV42_NPROCS + 10]; 478 uint64_t rpcretries; 479 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 480 uint64_t srvlayouts; 481 uint64_t cllayouts; 482 uint64_t rpcrequests; 483 uint64_t rpctimeouts; 484 uint64_t rpcunexpected; 485 uint64_t rpcinvalid; 486 uint64_t srvcache_inproghits; 487 uint64_t reserved_2; 488 uint64_t srvcache_nonidemdonehits; 489 uint64_t srvcache_misses; 490 uint64_t srvcache_tcppeak; 491 int srvcache_size; /* Updated by atomic_xx_int(). */ 492 uint64_t srvclients; 493 uint64_t srvopenowners; 494 uint64_t srvopens; 495 uint64_t srvlockowners; 496 uint64_t srvlocks; 497 uint64_t srvdelegates; 498 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 499 uint64_t clopenowners; 500 uint64_t clopens; 501 uint64_t cllockowners; 502 uint64_t cllocks; 503 uint64_t cldelegates; 504 uint64_t cllocalopenowners; 505 uint64_t cllocalopens; 506 uint64_t cllocallockowners; 507 uint64_t cllocallocks; 508 uint64_t srvstartcnt; 509 uint64_t srvdonecnt; 510 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 511 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 512 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 513 struct bintime busyfrom; 514 struct bintime busytime; 515 }; 516 517 /* 518 * Newer stats structure. 519 * The vers field will be set to NFSSTATS_OV1 by the caller. 520 */ 521 #define NFSSTATS_OV1 1 522 struct nfsstatsov1 { 523 int vers; /* Set to version requested by caller. */ 524 uint64_t attrcache_hits; 525 uint64_t attrcache_misses; 526 uint64_t lookupcache_hits; 527 uint64_t lookupcache_misses; 528 uint64_t direofcache_hits; 529 uint64_t direofcache_misses; 530 uint64_t accesscache_hits; 531 uint64_t accesscache_misses; 532 uint64_t biocache_reads; 533 uint64_t read_bios; 534 uint64_t read_physios; 535 uint64_t biocache_writes; 536 uint64_t write_bios; 537 uint64_t write_physios; 538 uint64_t biocache_readlinks; 539 uint64_t readlink_bios; 540 uint64_t biocache_readdirs; 541 uint64_t readdir_bios; 542 uint64_t rpccnt[NFSV42_OLDNPROCS]; 543 uint64_t rpcretries; 544 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 545 uint64_t reserved_0; 546 uint64_t reserved_1; 547 uint64_t rpcrequests; 548 uint64_t rpctimeouts; 549 uint64_t rpcunexpected; 550 uint64_t rpcinvalid; 551 uint64_t srvcache_inproghits; 552 uint64_t reserved_2; 553 uint64_t srvcache_nonidemdonehits; 554 uint64_t srvcache_misses; 555 uint64_t srvcache_tcppeak; 556 int srvcache_size; /* Updated by atomic_xx_int(). */ 557 uint64_t srvclients; 558 uint64_t srvopenowners; 559 uint64_t srvopens; 560 uint64_t srvlockowners; 561 uint64_t srvlocks; 562 uint64_t srvdelegates; 563 uint64_t cbrpccnt[NFSV42_CBNOPS]; 564 uint64_t clopenowners; 565 uint64_t clopens; 566 uint64_t cllockowners; 567 uint64_t cllocks; 568 uint64_t cldelegates; 569 uint64_t cllocalopenowners; 570 uint64_t cllocalopens; 571 uint64_t cllocallockowners; 572 uint64_t cllocallocks; 573 uint64_t srvstartcnt; 574 uint64_t srvdonecnt; 575 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 576 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 577 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 578 struct bintime busyfrom; 579 struct bintime busytime; 580 }; 581 582 /* 583 * Old stats structure. 584 */ 585 struct ext_nfsstats { 586 int attrcache_hits; 587 int attrcache_misses; 588 int lookupcache_hits; 589 int lookupcache_misses; 590 int direofcache_hits; 591 int direofcache_misses; 592 int accesscache_hits; 593 int accesscache_misses; 594 int biocache_reads; 595 int read_bios; 596 int read_physios; 597 int biocache_writes; 598 int write_bios; 599 int write_physios; 600 int biocache_readlinks; 601 int readlink_bios; 602 int biocache_readdirs; 603 int readdir_bios; 604 int rpccnt[NFSV4_NPROCS]; 605 int rpcretries; 606 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 607 int reserved_0; 608 int reserved_1; 609 int rpcrequests; 610 int rpctimeouts; 611 int rpcunexpected; 612 int rpcinvalid; 613 int srvcache_inproghits; 614 int reserved_2; 615 int srvcache_nonidemdonehits; 616 int srvcache_misses; 617 int srvcache_tcppeak; 618 int srvcache_size; 619 int srvclients; 620 int srvopenowners; 621 int srvopens; 622 int srvlockowners; 623 int srvlocks; 624 int srvdelegates; 625 int cbrpccnt[NFSV4OP_CBNOPS]; 626 int clopenowners; 627 int clopens; 628 int cllockowners; 629 int cllocks; 630 int cldelegates; 631 int cllocalopenowners; 632 int cllocalopens; 633 int cllocallockowners; 634 int cllocallocks; 635 }; 636 637 #ifdef _KERNEL 638 /* 639 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 640 */ 641 #ifndef NFS_NPROCS 642 #define NFS_NPROCS NFSV4_NPROCS 643 #endif 644 645 #include <fs/nfs/nfskpiport.h> 646 #include <fs/nfs/nfsdport.h> 647 #include <fs/nfs/rpcv2.h> 648 #include <fs/nfs/nfsproto.h> 649 #include <fs/nfs/nfs.h> 650 #include <fs/nfs/nfsclstate.h> 651 #include <fs/nfs/nfs_var.h> 652 #include <fs/nfs/nfsm_subs.h> 653 #include <fs/nfs/nfsrvcache.h> 654 #include <fs/nfs/nfsrvstate.h> 655 #include <fs/nfs/xdr_subs.h> 656 #include <fs/nfs/nfscl.h> 657 #include <nfsclient/nfsargs.h> 658 #include <fs/nfsclient/nfsmount.h> 659 660 /* 661 * Just to keep nfs_var.h happy. 662 */ 663 struct nfs_vattr { 664 int junk; 665 }; 666 667 struct nfsvattr { 668 struct vattr na_vattr; 669 nfsattrbit_t na_suppattr; 670 u_int64_t na_mntonfileno; 671 u_int64_t na_filesid[2]; 672 }; 673 674 #define na_type na_vattr.va_type 675 #define na_mode na_vattr.va_mode 676 #define na_nlink na_vattr.va_nlink 677 #define na_uid na_vattr.va_uid 678 #define na_gid na_vattr.va_gid 679 #define na_fsid na_vattr.va_fsid 680 #define na_fileid na_vattr.va_fileid 681 #define na_size na_vattr.va_size 682 #define na_blocksize na_vattr.va_blocksize 683 #define na_atime na_vattr.va_atime 684 #define na_mtime na_vattr.va_mtime 685 #define na_ctime na_vattr.va_ctime 686 #define na_btime na_vattr.va_birthtime 687 #define na_gen na_vattr.va_gen 688 #define na_flags na_vattr.va_flags 689 #define na_rdev na_vattr.va_rdev 690 #define na_bytes na_vattr.va_bytes 691 #define na_filerev na_vattr.va_filerev 692 #define na_vaflags na_vattr.va_vaflags 693 694 #include <fs/nfsclient/nfsnode.h> 695 696 /* 697 * This is the header structure used for the lists, etc. (It has the 698 * above record in it. 699 */ 700 struct nfsrv_stablefirst { 701 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 702 time_t nsf_eograce; /* Time grace period ends */ 703 time_t *nsf_bootvals; /* Previous boottime values */ 704 struct file *nsf_fp; /* File table pointer */ 705 u_char nsf_flags; /* NFSNSF_ flags */ 706 struct nfsf_rec nsf_rec; /* and above first record */ 707 }; 708 #define nsf_lease nsf_rec.lease 709 #define nsf_numboots nsf_rec.numboots 710 711 /* NFSNSF_xxx flags */ 712 #define NFSNSF_UPDATEDONE 0x01 713 #define NFSNSF_GRACEOVER 0x02 714 #define NFSNSF_NEEDLOCK 0x04 715 #define NFSNSF_EXPIREDCLIENT 0x08 716 #define NFSNSF_NOOPENS 0x10 717 #define NFSNSF_OK 0x20 718 719 /* 720 * Maximum number of boot times allowed in record. Although there is 721 * really no need for a fixed upper bound, this serves as a sanity check 722 * for a corrupted file. 723 */ 724 #define NFSNSF_MAXNUMBOOTS 10000 725 726 /* 727 * This structure defines the other records in the file. The 728 * nst_client array is actually the size of the client string name. 729 */ 730 struct nfst_rec { 731 u_int16_t len; 732 u_char flag; 733 u_char client[1]; 734 }; 735 /* and the values for flag */ 736 #define NFSNST_NEWSTATE 0x1 737 #define NFSNST_REVOKE 0x2 738 #define NFSNST_GOTSTATE 0x4 739 #define NFSNST_RECLAIMED 0x8 740 741 /* 742 * This structure is linked onto nfsrv_stablefirst for the duration of 743 * reclaim. 744 */ 745 struct nfsrv_stable { 746 LIST_ENTRY(nfsrv_stable) nst_list; 747 struct nfsclient *nst_clp; 748 struct nfst_rec nst_rec; 749 }; 750 #define nst_timestamp nst_rec.timestamp 751 #define nst_len nst_rec.len 752 #define nst_flag nst_rec.flag 753 #define nst_client nst_rec.client 754 755 /* 756 * At some point the server will run out of kernel storage for 757 * state structures. For FreeBSD5.2, this results in a panic 758 * kmem_map is full. It happens at well over 1000000 opens plus 759 * locks on a PIII-800 with 256Mbytes, so that is where I've set 760 * the limit. If your server panics due to too many opens/locks, 761 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 762 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 763 * increasing it. 764 */ 765 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 766 767 /* 768 * The type required differs with BSDen (just the second arg). 769 */ 770 void nfsrvd_rcv(struct socket *, void *, int); 771 772 /* 773 * Macros for handling socket addresses. (Hopefully this makes the code 774 * more portable, since I've noticed some 'BSD don't have sockaddrs in 775 * mbufs any more.) 776 */ 777 #define NFSSOCKADDR(a, t) ((t)(a)) 778 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 779 780 /* 781 * These should be defined as a process or thread structure, as required 782 * for signal handling, etc. 783 */ 784 #define NFSNEWCRED(c) (crdup(c)) 785 #define NFSPROCCRED(p) ((p)->td_ucred) 786 #define NFSFREECRED(c) (crfree(c)) 787 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 788 #define NFSPROCP(p) ((p)->td_proc) 789 790 /* 791 * Define these so that cn_hash and its length is ignored. 792 */ 793 #define NFSCNHASHZERO(c) 794 #define NFSCNHASH(c, v) 795 #define NCHNAMLEN 9999999 796 797 /* 798 * Handle SMP stuff: 799 */ 800 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 801 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 802 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 803 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 804 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 805 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 806 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 807 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 808 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 809 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 810 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 811 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 812 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 813 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 814 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 815 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 816 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 817 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 818 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 819 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 820 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 821 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 822 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 823 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 824 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 825 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 826 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 827 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 828 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 829 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 830 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 831 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 832 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 833 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 834 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 835 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 836 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 837 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 838 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 839 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 840 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 841 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 842 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 843 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 844 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 845 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 846 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 847 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 848 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 849 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 850 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 851 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 852 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 853 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 854 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 855 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 856 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 857 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 858 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 859 860 /* 861 * Use these macros to initialize/free a mutex. 862 */ 863 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 864 #define NFSFREEMUTEX(m) mtx_destroy((m)) 865 866 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 867 868 /* 869 * And weird vm stuff in the nfs server. 870 */ 871 #define PDIRUNLOCK 0x0 872 #define MAX_COMMIT_COUNT (1024 * 1024) 873 874 /* 875 * Define these to handle the type of va_rdev. 876 */ 877 #define NFSMAKEDEV(m, n) makedev((m), (n)) 878 #define NFSMAJOR(d) major(d) 879 #define NFSMINOR(d) minor(d) 880 881 /* 882 * The vnode tag for nfsv4root. 883 */ 884 #define VT_NFSV4ROOT "nfsv4root" 885 886 /* 887 * Define whatever it takes to do a vn_rdwr(). 888 */ 889 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 890 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 891 892 /* 893 * Macros for handling memory for different BSDen. 894 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 895 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 896 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 897 * NFSBZERO(cp, len) - set len bytes to 0x0 898 */ 899 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 900 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 901 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 902 #define NFSBZERO(s, l) bzero((s), (l)) 903 904 /* 905 * Some queue.h files don't have these dfined in them. 906 */ 907 #ifndef LIST_END 908 #define LIST_END(head) NULL 909 #define SLIST_END(head) NULL 910 #define TAILQ_END(head) NULL 911 #endif 912 913 /* 914 * This must be defined to be a global variable that increments once 915 * per second, but never stops or goes backwards, even when a "date" 916 * command changes the TOD clock. It is used for delta times for 917 * leases, etc. 918 */ 919 #define NFSD_MONOSEC time_uptime 920 921 /* 922 * Declare the malloc types. 923 */ 924 MALLOC_DECLARE(M_NEWNFSRVCACHE); 925 MALLOC_DECLARE(M_NEWNFSDCLIENT); 926 MALLOC_DECLARE(M_NEWNFSDSTATE); 927 MALLOC_DECLARE(M_NEWNFSDLOCK); 928 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 929 MALLOC_DECLARE(M_NEWNFSSTRING); 930 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 931 MALLOC_DECLARE(M_NEWNFSDREQ); 932 MALLOC_DECLARE(M_NEWNFSFH); 933 MALLOC_DECLARE(M_NEWNFSCLOWNER); 934 MALLOC_DECLARE(M_NEWNFSCLOPEN); 935 MALLOC_DECLARE(M_NEWNFSCLDELEG); 936 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 937 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 938 MALLOC_DECLARE(M_NEWNFSCLLOCK); 939 MALLOC_DECLARE(M_NEWNFSDIROFF); 940 MALLOC_DECLARE(M_NEWNFSV4NODE); 941 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 942 MALLOC_DECLARE(M_NEWNFSMNT); 943 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 944 MALLOC_DECLARE(M_NEWNFSLAYOUT); 945 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 946 MALLOC_DECLARE(M_NEWNFSDEVINFO); 947 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 948 MALLOC_DECLARE(M_NEWNFSCLDS); 949 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 950 MALLOC_DECLARE(M_NEWNFSDSESSION); 951 #define M_NFSRVCACHE M_NEWNFSRVCACHE 952 #define M_NFSDCLIENT M_NEWNFSDCLIENT 953 #define M_NFSDSTATE M_NEWNFSDSTATE 954 #define M_NFSDLOCK M_NEWNFSDLOCK 955 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 956 #define M_NFSSTRING M_NEWNFSSTRING 957 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 958 #define M_NFSDREQ M_NEWNFSDREQ 959 #define M_NFSFH M_NEWNFSFH 960 #define M_NFSCLOWNER M_NEWNFSCLOWNER 961 #define M_NFSCLOPEN M_NEWNFSCLOPEN 962 #define M_NFSCLDELEG M_NEWNFSCLDELEG 963 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 964 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 965 #define M_NFSCLLOCK M_NEWNFSCLLOCK 966 #define M_NFSDIROFF M_NEWNFSDIROFF 967 #define M_NFSV4NODE M_NEWNFSV4NODE 968 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 969 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 970 #define M_NFSLAYOUT M_NEWNFSLAYOUT 971 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 972 #define M_NFSDEVINFO M_NEWNFSDEVINFO 973 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 974 #define M_NFSCLDS M_NEWNFSCLDS 975 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 976 #define M_NFSDSESSION M_NEWNFSDSESSION 977 978 #define NFSINT_SIGMASK(set) \ 979 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 980 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 981 SIGISMEMBER(set, SIGQUIT)) 982 983 /* 984 * Convert a quota block count to byte count. 985 */ 986 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 987 988 /* 989 * Define this as the largest file size supported. (It should probably 990 * be available via a VFS_xxx Op, but it isn't. 991 */ 992 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 993 994 /* 995 * Set this macro to index() or strchr(), whichever is supported. 996 */ 997 #define STRCHR(s, c) strchr((s), (c)) 998 999 /* 1000 * Set the n_time in the client write rpc, as required. 1001 */ 1002 #define NFSWRITERPC_SETTIME(w, n, a, v4) \ 1003 do { \ 1004 if (w) { \ 1005 NFSLOCKNODE(n); \ 1006 (n)->n_mtime = (a)->na_mtime; \ 1007 if (v4) \ 1008 (n)->n_change = (a)->na_filerev; \ 1009 NFSUNLOCKNODE(n); \ 1010 } \ 1011 } while (0) 1012 1013 /* 1014 * Fake value, just to make the client work. 1015 */ 1016 #define NFS_LATTR_NOSHRINK 1 1017 1018 /* 1019 * Prototypes for functions where the arguments vary for different ports. 1020 */ 1021 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, int, int); 1022 int newnfs_realign(struct mbuf **, int); 1023 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 1024 void ncl_copy_vattr(struct vattr *dst, struct vattr *src); 1025 1026 /* 1027 * If the port runs on an SMP box that can enforce Atomic ops with low 1028 * overheads, define these as atomic increments/decrements. If not, 1029 * don't worry about it, since these are used for stats that can be 1030 * "out by one" without disastrous consequences. 1031 */ 1032 #define NFSINCRGLOBAL(a) ((a)++) 1033 #define NFSDECRGLOBAL(a) ((a)--) 1034 1035 /* 1036 * Assorted funky stuff to make things work under Darwin8. 1037 */ 1038 /* 1039 * These macros checks for a field in vattr being set. 1040 */ 1041 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1042 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1043 1044 /* 1045 * Manipulate mount flags. 1046 */ 1047 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1048 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1049 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1050 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1051 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1052 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1053 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1054 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1055 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1056 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1057 1058 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1059 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1060 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1061 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1062 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1063 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1064 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1065 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1066 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1067 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1068 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1069 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1070 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1071 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1072 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1073 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1074 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1075 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1076 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1077 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1078 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1079 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1080 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1081 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1082 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1083 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1084 (n)->nm_minorvers > 0) 1085 #define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1086 #define NFSHASSYSKRB5(n) (((n)->nm_newflag & NFSMNT_SYSKRB5) != 0) 1087 1088 /* 1089 * Set boottime. 1090 */ 1091 #define NFSSETBOOTTIME(b) (getboottime(&b)) 1092 1093 /* 1094 * The size of directory blocks in the buffer cache. 1095 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1096 */ 1097 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1098 1099 /* 1100 * Define these macros to access mnt_flag fields. 1101 */ 1102 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1103 #endif /* _KERNEL */ 1104 1105 /* 1106 * Define a structure similar to ufs_args for use in exporting the V4 root. 1107 */ 1108 struct nfsex_args { 1109 char *fspec; 1110 struct export_args export; 1111 }; 1112 1113 struct nfsex_oldargs { 1114 char *fspec; 1115 struct o2export_args export; 1116 }; 1117 1118 /* 1119 * These export flags should be defined, but there are no bits left. 1120 * Maybe a separate mnt_exflag field could be added or the mnt_flag 1121 * field increased to 64 bits? 1122 */ 1123 #ifndef MNT_EXSTRICTACCESS 1124 #define MNT_EXSTRICTACCESS 0x0 1125 #endif 1126 #ifndef MNT_EXV4ONLY 1127 #define MNT_EXV4ONLY 0x0 1128 #endif 1129 1130 #ifdef _KERNEL 1131 /* 1132 * Define this to invalidate the attribute cache for the nfs node. 1133 */ 1134 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 1135 1136 /* Used for FreeBSD only */ 1137 void nfsd_mntinit(void); 1138 1139 /* 1140 * Define these for vnode lock/unlock ops. 1141 * 1142 * These are good abstractions to macro out, so that they can be added to 1143 * later, for debugging or stats, etc. 1144 */ 1145 #define NFSVOPLOCK(v, f) vn_lock((v), (f)) 1146 #define NFSVOPUNLOCK(v) VOP_UNLOCK((v)) 1147 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 1148 1149 /* 1150 * Define ncl_hash(). 1151 */ 1152 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 1153 1154 int newnfs_iosize(struct nfsmount *); 1155 1156 int newnfs_vncmpf(struct vnode *, void *); 1157 1158 #ifndef NFS_MINDIRATTRTIMO 1159 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 1160 #endif 1161 #ifndef NFS_MAXDIRATTRTIMO 1162 #define NFS_MAXDIRATTRTIMO 60 1163 #endif 1164 1165 /* 1166 * Nfs outstanding request list element 1167 */ 1168 struct nfsreq { 1169 TAILQ_ENTRY(nfsreq) r_chain; 1170 u_int32_t r_flags; /* flags on request, see below */ 1171 struct nfsmount *r_nmp; /* Client mnt ptr */ 1172 struct mtx r_mtx; /* Mutex lock for this structure */ 1173 }; 1174 1175 #ifndef NFS_MAXBSIZE 1176 #define NFS_MAXBSIZE (maxbcachebuf) 1177 #endif 1178 1179 /* 1180 * This macro checks to see if issuing of delegations is allowed for this 1181 * vnode. 1182 */ 1183 #ifdef VV_DISABLEDELEG 1184 #define NFSVNO_DELEGOK(v) \ 1185 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 1186 #else 1187 #define NFSVNO_DELEGOK(v) (1) 1188 #endif 1189 1190 /* 1191 * Name used by getnewvnode() to describe filesystem, "nfs". 1192 * For performance reasons it is useful to have the same string 1193 * used in both places that call getnewvnode(). 1194 */ 1195 extern const char nfs_vnode_tag[]; 1196 1197 /* 1198 * Check for the errors that indicate a DS should be disabled. 1199 * ENXIO indicates that the krpc cannot do an RPC on the DS. 1200 * EIO is returned by the RPC as an indication of I/O problems on the 1201 * server. 1202 * Are there other fatal errors? 1203 */ 1204 #define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO) 1205 1206 /* 1207 * Get a pointer to the MDS session, which is always the first element 1208 * in the list. 1209 * This macro can only be safely used when the NFSLOCKMNT() lock is held. 1210 * The inline function can be used when the lock isn't held. 1211 */ 1212 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess)) 1213 1214 static __inline struct nfsclsession * 1215 nfsmnt_mdssession(struct nfsmount *nmp) 1216 { 1217 struct nfsclsession *tsep; 1218 1219 tsep = NULL; 1220 mtx_lock(&nmp->nm_mtx); 1221 if (TAILQ_FIRST(&nmp->nm_sess) != NULL) 1222 tsep = NFSMNT_MDSSESSION(nmp); 1223 mtx_unlock(&nmp->nm_mtx); 1224 return (tsep); 1225 } 1226 1227 #endif /* _KERNEL */ 1228 1229 #endif /* _NFS_NFSPORT_H */ 1230