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 /* Do a NFSv4 Openattr. */ 443 #define NFSPROC_OPENATTR 70 444 445 /* Do a NFSv4.2 Clone. */ 446 #define NFSPROC_CLONE 71 447 448 /* 449 * Must be defined as one higher than the last NFSv4.2 Proc# above. 450 */ 451 #define NFSV42_NPROCS 72 452 453 /* Value of NFSV42_NPROCS for old nfsstats structure. (Always 69) */ 454 #define NFSV42_OLDNPROCS 69 455 456 #endif /* NFS_V3NPROCS */ 457 458 /* 459 * Newest stats structure. 460 * The vers field will be set to NFSSTATS_V1 by the caller. 461 */ 462 #define NFSSTATS_V1 2 463 struct nfsstatsv1 { 464 int vers; /* Set to version requested by caller. */ 465 uint64_t attrcache_hits; 466 uint64_t attrcache_misses; 467 uint64_t lookupcache_hits; 468 uint64_t lookupcache_misses; 469 uint64_t direofcache_hits; 470 uint64_t direofcache_misses; 471 uint64_t accesscache_hits; 472 uint64_t accesscache_misses; 473 uint64_t biocache_reads; 474 uint64_t read_bios; 475 uint64_t read_physios; 476 uint64_t biocache_writes; 477 uint64_t write_bios; 478 uint64_t write_physios; 479 uint64_t biocache_readlinks; 480 uint64_t readlink_bios; 481 uint64_t biocache_readdirs; 482 uint64_t readdir_bios; 483 uint64_t rpccnt[NFSV42_NPROCS + 8]; 484 uint64_t rpcretries; 485 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 486 uint64_t srvlayouts; 487 uint64_t cllayouts; 488 uint64_t rpcrequests; 489 uint64_t rpctimeouts; 490 uint64_t rpcunexpected; 491 uint64_t rpcinvalid; 492 uint64_t srvcache_inproghits; 493 uint64_t reserved_2; 494 uint64_t srvcache_nonidemdonehits; 495 uint64_t srvcache_misses; 496 uint64_t srvcache_tcppeak; 497 int srvcache_size; /* Updated by atomic_xx_int(). */ 498 uint64_t srvclients; 499 uint64_t srvopenowners; 500 uint64_t srvopens; 501 uint64_t srvlockowners; 502 uint64_t srvlocks; 503 uint64_t srvdelegates; 504 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 505 uint64_t clopenowners; 506 uint64_t clopens; 507 uint64_t cllockowners; 508 uint64_t cllocks; 509 uint64_t cldelegates; 510 uint64_t cllocalopenowners; 511 uint64_t cllocalopens; 512 uint64_t cllocallockowners; 513 uint64_t cllocallocks; 514 uint64_t srvstartcnt; 515 uint64_t srvdonecnt; 516 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 517 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 518 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 519 struct bintime busyfrom; 520 struct bintime busytime; 521 }; 522 523 /* 524 * Newer stats structure. 525 * The vers field will be set to NFSSTATS_OV1 by the caller. 526 */ 527 #define NFSSTATS_OV1 1 528 struct nfsstatsov1 { 529 int vers; /* Set to version requested by caller. */ 530 uint64_t attrcache_hits; 531 uint64_t attrcache_misses; 532 uint64_t lookupcache_hits; 533 uint64_t lookupcache_misses; 534 uint64_t direofcache_hits; 535 uint64_t direofcache_misses; 536 uint64_t accesscache_hits; 537 uint64_t accesscache_misses; 538 uint64_t biocache_reads; 539 uint64_t read_bios; 540 uint64_t read_physios; 541 uint64_t biocache_writes; 542 uint64_t write_bios; 543 uint64_t write_physios; 544 uint64_t biocache_readlinks; 545 uint64_t readlink_bios; 546 uint64_t biocache_readdirs; 547 uint64_t readdir_bios; 548 uint64_t rpccnt[NFSV42_OLDNPROCS]; 549 uint64_t rpcretries; 550 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 551 uint64_t reserved_0; 552 uint64_t reserved_1; 553 uint64_t rpcrequests; 554 uint64_t rpctimeouts; 555 uint64_t rpcunexpected; 556 uint64_t rpcinvalid; 557 uint64_t srvcache_inproghits; 558 uint64_t reserved_2; 559 uint64_t srvcache_nonidemdonehits; 560 uint64_t srvcache_misses; 561 uint64_t srvcache_tcppeak; 562 int srvcache_size; /* Updated by atomic_xx_int(). */ 563 uint64_t srvclients; 564 uint64_t srvopenowners; 565 uint64_t srvopens; 566 uint64_t srvlockowners; 567 uint64_t srvlocks; 568 uint64_t srvdelegates; 569 uint64_t cbrpccnt[NFSV42_CBNOPS]; 570 uint64_t clopenowners; 571 uint64_t clopens; 572 uint64_t cllockowners; 573 uint64_t cllocks; 574 uint64_t cldelegates; 575 uint64_t cllocalopenowners; 576 uint64_t cllocalopens; 577 uint64_t cllocallockowners; 578 uint64_t cllocallocks; 579 uint64_t srvstartcnt; 580 uint64_t srvdonecnt; 581 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 582 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 583 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 584 struct bintime busyfrom; 585 struct bintime busytime; 586 }; 587 588 /* 589 * Old stats structure. 590 */ 591 struct ext_nfsstats { 592 int attrcache_hits; 593 int attrcache_misses; 594 int lookupcache_hits; 595 int lookupcache_misses; 596 int direofcache_hits; 597 int direofcache_misses; 598 int accesscache_hits; 599 int accesscache_misses; 600 int biocache_reads; 601 int read_bios; 602 int read_physios; 603 int biocache_writes; 604 int write_bios; 605 int write_physios; 606 int biocache_readlinks; 607 int readlink_bios; 608 int biocache_readdirs; 609 int readdir_bios; 610 int rpccnt[NFSV4_NPROCS]; 611 int rpcretries; 612 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 613 int reserved_0; 614 int reserved_1; 615 int rpcrequests; 616 int rpctimeouts; 617 int rpcunexpected; 618 int rpcinvalid; 619 int srvcache_inproghits; 620 int reserved_2; 621 int srvcache_nonidemdonehits; 622 int srvcache_misses; 623 int srvcache_tcppeak; 624 int srvcache_size; 625 int srvclients; 626 int srvopenowners; 627 int srvopens; 628 int srvlockowners; 629 int srvlocks; 630 int srvdelegates; 631 int cbrpccnt[NFSV4OP_CBNOPS]; 632 int clopenowners; 633 int clopens; 634 int cllockowners; 635 int cllocks; 636 int cldelegates; 637 int cllocalopenowners; 638 int cllocalopens; 639 int cllocallockowners; 640 int cllocallocks; 641 }; 642 643 #ifdef _KERNEL 644 /* 645 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 646 */ 647 #ifndef NFS_NPROCS 648 #define NFS_NPROCS NFSV4_NPROCS 649 #endif 650 651 #include <fs/nfs/nfskpiport.h> 652 #include <fs/nfs/nfsdport.h> 653 #include <fs/nfs/rpcv2.h> 654 #include <fs/nfs/nfsproto.h> 655 #include <fs/nfs/nfs.h> 656 #include <fs/nfs/nfsclstate.h> 657 #include <fs/nfs/nfs_var.h> 658 #include <fs/nfs/nfsm_subs.h> 659 #include <fs/nfs/nfsrvcache.h> 660 #include <fs/nfs/nfsrvstate.h> 661 #include <fs/nfs/xdr_subs.h> 662 #include <fs/nfs/nfscl.h> 663 #include <nfsclient/nfsargs.h> 664 #include <fs/nfsclient/nfsmount.h> 665 666 /* 667 * Just to keep nfs_var.h happy. 668 */ 669 struct nfs_vattr { 670 int junk; 671 }; 672 673 struct nfsvattr { 674 struct vattr na_vattr; 675 nfsattrbit_t na_suppattr; 676 u_int64_t na_mntonfileno; 677 u_int64_t na_filesid[2]; 678 }; 679 680 #define na_type na_vattr.va_type 681 #define na_mode na_vattr.va_mode 682 #define na_nlink na_vattr.va_nlink 683 #define na_uid na_vattr.va_uid 684 #define na_gid na_vattr.va_gid 685 #define na_fsid na_vattr.va_fsid 686 #define na_fileid na_vattr.va_fileid 687 #define na_size na_vattr.va_size 688 #define na_blocksize na_vattr.va_blocksize 689 #define na_atime na_vattr.va_atime 690 #define na_mtime na_vattr.va_mtime 691 #define na_ctime na_vattr.va_ctime 692 #define na_btime na_vattr.va_birthtime 693 #define na_gen na_vattr.va_gen 694 #define na_flags na_vattr.va_flags 695 #define na_rdev na_vattr.va_rdev 696 #define na_bytes na_vattr.va_bytes 697 #define na_filerev na_vattr.va_filerev 698 #define na_vaflags na_vattr.va_vaflags 699 #define na_bsdflags na_vattr.va_bsdflags 700 701 #include <fs/nfsclient/nfsnode.h> 702 703 /* 704 * This is the header structure used for the lists, etc. (It has the 705 * above record in it. 706 */ 707 struct nfsrv_stablefirst { 708 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 709 time_t nsf_eograce; /* Time grace period ends */ 710 time_t *nsf_bootvals; /* Previous boottime values */ 711 struct file *nsf_fp; /* File table pointer */ 712 u_char nsf_flags; /* NFSNSF_ flags */ 713 struct nfsf_rec nsf_rec; /* and above first record */ 714 }; 715 #define nsf_lease nsf_rec.lease 716 #define nsf_numboots nsf_rec.numboots 717 718 /* NFSNSF_xxx flags */ 719 #define NFSNSF_UPDATEDONE 0x01 720 #define NFSNSF_GRACEOVER 0x02 721 #define NFSNSF_NEEDLOCK 0x04 722 #define NFSNSF_EXPIREDCLIENT 0x08 723 #define NFSNSF_NOOPENS 0x10 724 #define NFSNSF_OK 0x20 725 726 /* 727 * Maximum number of boot times allowed in record. Although there is 728 * really no need for a fixed upper bound, this serves as a sanity check 729 * for a corrupted file. 730 */ 731 #define NFSNSF_MAXNUMBOOTS 10000 732 733 /* 734 * This structure defines the other records in the file. The 735 * nst_client array is actually the size of the client string name. 736 */ 737 struct nfst_rec { 738 u_int16_t len; 739 u_char flag; 740 u_char client[1]; 741 }; 742 /* and the values for flag */ 743 #define NFSNST_NEWSTATE 0x1 744 #define NFSNST_REVOKE 0x2 745 #define NFSNST_GOTSTATE 0x4 746 #define NFSNST_RECLAIMED 0x8 747 748 /* 749 * This structure is linked onto nfsrv_stablefirst for the duration of 750 * reclaim. 751 */ 752 struct nfsrv_stable { 753 LIST_ENTRY(nfsrv_stable) nst_list; 754 struct nfsclient *nst_clp; 755 struct nfst_rec nst_rec; 756 }; 757 #define nst_timestamp nst_rec.timestamp 758 #define nst_len nst_rec.len 759 #define nst_flag nst_rec.flag 760 #define nst_client nst_rec.client 761 762 /* 763 * At some point the server will run out of kernel storage for 764 * state structures. For FreeBSD5.2, this results in a panic 765 * kmem_map is full. It happens at well over 1000000 opens plus 766 * locks on a PIII-800 with 256Mbytes, so that is where I've set 767 * the limit. If your server panics due to too many opens/locks, 768 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 769 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 770 * increasing it. 771 */ 772 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 773 774 /* 775 * The type required differs with BSDen (just the second arg). 776 */ 777 void nfsrvd_rcv(struct socket *, void *, int); 778 779 /* 780 * Macros for handling socket addresses. (Hopefully this makes the code 781 * more portable, since I've noticed some 'BSD don't have sockaddrs in 782 * mbufs any more.) 783 */ 784 #define NFSSOCKADDR(a, t) ((t)(a)) 785 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 786 787 /* 788 * These should be defined as a process or thread structure, as required 789 * for signal handling, etc. 790 */ 791 #define NFSNEWCRED(c) (crdup(c)) 792 #define NFSPROCCRED(p) ((p)->td_ucred) 793 #define NFSFREECRED(c) (crfree(c)) 794 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 795 #define NFSPROCP(p) ((p)->td_proc) 796 797 /* 798 * Define these so that cn_hash and its length is ignored. 799 */ 800 #define NFSCNHASHZERO(c) 801 #define NFSCNHASH(c, v) 802 #define NCHNAMLEN 9999999 803 804 /* 805 * Handle SMP stuff: 806 */ 807 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 808 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 809 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 810 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 811 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 812 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 813 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 814 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 815 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 816 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 817 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 818 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 819 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 820 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 821 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 822 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 823 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 824 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 825 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 826 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 827 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 828 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 829 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 830 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 831 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 832 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 833 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 834 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 835 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 836 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 837 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 838 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 839 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 840 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 841 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 842 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 843 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 844 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 845 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 846 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 847 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 848 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 849 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 850 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 851 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 852 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 853 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 854 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 855 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 856 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 857 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 858 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 859 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 860 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 861 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 862 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 863 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 864 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 865 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 866 867 /* 868 * Use these macros to initialize/free a mutex. 869 */ 870 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 871 #define NFSFREEMUTEX(m) mtx_destroy((m)) 872 873 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 874 875 /* 876 * And weird vm stuff in the nfs server. 877 */ 878 #define PDIRUNLOCK 0x0 879 #define MAX_COMMIT_COUNT (1024 * 1024) 880 881 /* 882 * Define these to handle the type of va_rdev. 883 */ 884 #define NFSMAKEDEV(m, n) makedev((m), (n)) 885 #define NFSMAJOR(d) major(d) 886 #define NFSMINOR(d) minor(d) 887 888 /* 889 * The vnode tag for nfsv4root. 890 */ 891 #define VT_NFSV4ROOT "nfsv4root" 892 893 /* 894 * Define whatever it takes to do a vn_rdwr(). 895 */ 896 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 897 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 898 899 /* 900 * Macros for handling memory for different BSDen. 901 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 902 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 903 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 904 * NFSBZERO(cp, len) - set len bytes to 0x0 905 */ 906 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 907 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 908 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 909 #define NFSBZERO(s, l) bzero((s), (l)) 910 911 /* 912 * This must be defined to be a global variable that increments once 913 * per second, but never stops or goes backwards, even when a "date" 914 * command changes the TOD clock. It is used for delta times for 915 * leases, etc. 916 */ 917 #define NFSD_MONOSEC time_uptime 918 919 /* 920 * Declare the malloc types. 921 */ 922 MALLOC_DECLARE(M_NEWNFSRVCACHE); 923 MALLOC_DECLARE(M_NEWNFSDCLIENT); 924 MALLOC_DECLARE(M_NEWNFSDSTATE); 925 MALLOC_DECLARE(M_NEWNFSDLOCK); 926 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 927 MALLOC_DECLARE(M_NEWNFSSTRING); 928 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 929 MALLOC_DECLARE(M_NEWNFSDREQ); 930 MALLOC_DECLARE(M_NEWNFSFH); 931 MALLOC_DECLARE(M_NEWNFSCLOWNER); 932 MALLOC_DECLARE(M_NEWNFSCLOPEN); 933 MALLOC_DECLARE(M_NEWNFSCLDELEG); 934 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 935 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 936 MALLOC_DECLARE(M_NEWNFSCLLOCK); 937 MALLOC_DECLARE(M_NEWNFSDIROFF); 938 MALLOC_DECLARE(M_NEWNFSV4NODE); 939 MALLOC_DECLARE(M_NEWNFSMNT); 940 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 941 MALLOC_DECLARE(M_NEWNFSLAYOUT); 942 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 943 MALLOC_DECLARE(M_NEWNFSDEVINFO); 944 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 945 MALLOC_DECLARE(M_NEWNFSCLDS); 946 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 947 MALLOC_DECLARE(M_NEWNFSDSESSION); 948 #define M_NFSRVCACHE M_NEWNFSRVCACHE 949 #define M_NFSDCLIENT M_NEWNFSDCLIENT 950 #define M_NFSDSTATE M_NEWNFSDSTATE 951 #define M_NFSDLOCK M_NEWNFSDLOCK 952 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 953 #define M_NFSSTRING M_NEWNFSSTRING 954 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 955 #define M_NFSDREQ M_NEWNFSDREQ 956 #define M_NFSFH M_NEWNFSFH 957 #define M_NFSCLOWNER M_NEWNFSCLOWNER 958 #define M_NFSCLOPEN M_NEWNFSCLOPEN 959 #define M_NFSCLDELEG M_NEWNFSCLDELEG 960 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 961 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 962 #define M_NFSCLLOCK M_NEWNFSCLLOCK 963 #define M_NFSDIROFF M_NEWNFSDIROFF 964 #define M_NFSV4NODE M_NEWNFSV4NODE 965 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 966 #define M_NFSLAYOUT M_NEWNFSLAYOUT 967 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 968 #define M_NFSDEVINFO M_NEWNFSDEVINFO 969 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 970 #define M_NFSCLDS M_NEWNFSCLDS 971 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 972 #define M_NFSDSESSION M_NEWNFSDSESSION 973 974 #define NFSINT_SIGMASK(set) \ 975 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 976 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 977 SIGISMEMBER(set, SIGQUIT)) 978 979 /* 980 * Convert a quota block count to byte count. 981 */ 982 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 983 984 /* 985 * Define this as the largest file size supported. (It should probably 986 * be available via a VFS_xxx Op, but it isn't. 987 */ 988 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 989 990 /* 991 * Set this macro to index() or strchr(), whichever is supported. 992 */ 993 #define STRCHR(s, c) strchr((s), (c)) 994 995 /* 996 * Set the n_time in the client write rpc, as required. 997 */ 998 #define NFSWRITERPC_SETTIME(w, n, a, v4) \ 999 do { \ 1000 if (w) { \ 1001 NFSLOCKNODE(n); \ 1002 (n)->n_mtime = (a)->na_mtime; \ 1003 if (v4) \ 1004 (n)->n_change = (a)->na_filerev; \ 1005 NFSUNLOCKNODE(n); \ 1006 } \ 1007 } while (0) 1008 1009 /* 1010 * Fake value, just to make the client work. 1011 */ 1012 #define NFS_LATTR_NOSHRINK 1 1013 1014 /* 1015 * Prototypes for functions where the arguments vary for different ports. 1016 */ 1017 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, int, int); 1018 int newnfs_realign(struct mbuf **, int); 1019 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 1020 void ncl_copy_vattr(struct vnode *vp, struct vattr *dst, struct vattr *src); 1021 1022 /* 1023 * If the port runs on an SMP box that can enforce Atomic ops with low 1024 * overheads, define these as atomic increments/decrements. If not, 1025 * don't worry about it, since these are used for stats that can be 1026 * "out by one" without disastrous consequences. 1027 */ 1028 #define NFSINCRGLOBAL(a) ((a)++) 1029 #define NFSDECRGLOBAL(a) ((a)--) 1030 1031 /* 1032 * These macros checks for a field in vattr being set. 1033 */ 1034 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1035 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1036 1037 /* 1038 * Manipulate mount flags. 1039 */ 1040 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1041 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1042 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1043 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1044 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1045 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1046 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1047 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1048 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1049 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1050 1051 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1052 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1053 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1054 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1055 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1056 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1057 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1058 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1059 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1060 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1061 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1062 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1063 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1064 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1065 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1066 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1067 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1068 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1069 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1070 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1071 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1072 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1073 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1074 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1075 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1076 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1077 (n)->nm_minorvers > 0) 1078 #define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1079 #define NFSHASSYSKRB5(n) (((n)->nm_newflag & NFSMNT_SYSKRB5) != 0) 1080 1081 /* 1082 * Set boottime. 1083 */ 1084 #define NFSSETBOOTTIME(b) (getboottime(&b)) 1085 1086 /* 1087 * The size of directory blocks in the buffer cache. 1088 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1089 */ 1090 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1091 1092 /* 1093 * Define these macros to access mnt_flag fields. 1094 */ 1095 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1096 #endif /* _KERNEL */ 1097 1098 /* 1099 * Define a structure similar to ufs_args for use in exporting the V4 root. 1100 */ 1101 struct nfsex_args { 1102 char *fspec; 1103 struct export_args export; 1104 }; 1105 1106 struct nfsex_oldargs { 1107 char *fspec; 1108 struct o2export_args export; 1109 }; 1110 1111 /* 1112 * These export flags should be defined, but there are no bits left. 1113 * Maybe a separate mnt_exflag field could be added or the mnt_flag 1114 * field increased to 64 bits? 1115 */ 1116 #ifndef MNT_EXSTRICTACCESS 1117 #define MNT_EXSTRICTACCESS 0x0 1118 #endif 1119 #ifndef MNT_EXV4ONLY 1120 #define MNT_EXV4ONLY 0x0 1121 #endif 1122 1123 #ifdef _KERNEL 1124 /* 1125 * Define this to invalidate the attribute cache for the nfs node. 1126 */ 1127 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 1128 1129 /* Used for FreeBSD only */ 1130 void nfsd_mntinit(void); 1131 1132 /* 1133 * Define these for vnode lock/unlock ops. 1134 * 1135 * These are good abstractions to macro out, so that they can be added to 1136 * later, for debugging or stats, etc. 1137 */ 1138 #define NFSVOPLOCK(v, f) vn_lock((v), (f)) 1139 #define NFSVOPUNLOCK(v) VOP_UNLOCK((v)) 1140 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 1141 1142 /* 1143 * Define ncl_hash(). 1144 */ 1145 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 1146 1147 int newnfs_iosize(struct nfsmount *); 1148 1149 int newnfs_vncmpf(struct vnode *, void *); 1150 1151 #ifndef NFS_MINDIRATTRTIMO 1152 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 1153 #endif 1154 #ifndef NFS_MAXDIRATTRTIMO 1155 #define NFS_MAXDIRATTRTIMO 60 1156 #endif 1157 1158 /* 1159 * Nfs outstanding request list element 1160 */ 1161 struct nfsreq { 1162 TAILQ_ENTRY(nfsreq) r_chain; 1163 u_int32_t r_flags; /* flags on request, see below */ 1164 struct nfsmount *r_nmp; /* Client mnt ptr */ 1165 struct mtx r_mtx; /* Mutex lock for this structure */ 1166 }; 1167 1168 #ifndef NFS_MAXBSIZE 1169 #define NFS_MAXBSIZE (maxbcachebuf) 1170 #endif 1171 1172 /* 1173 * This macro checks to see if issuing of delegations is allowed for this 1174 * vnode. 1175 */ 1176 #ifdef VV_DISABLEDELEG 1177 #define NFSVNO_DELEGOK(v) \ 1178 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0 || \ 1179 (vn_irflag_read(v) & VIRF_NAMEDATTR) == 0) 1180 #else 1181 #define NFSVNO_DELEGOK(v) \ 1182 ((v) == NULL || (vn_irflag_read(v) & VIRF_NAMEDATTR) == 0) 1183 #endif 1184 1185 /* 1186 * Name used by getnewvnode() to describe filesystem, "nfs". 1187 * For performance reasons it is useful to have the same string 1188 * used in both places that call getnewvnode(). 1189 */ 1190 extern const char nfs_vnode_tag[]; 1191 1192 /* 1193 * Check for the errors that indicate a DS should be disabled. 1194 * ENXIO indicates that the krpc cannot do an RPC on the DS. 1195 * EIO is returned by the RPC as an indication of I/O problems on the 1196 * server. 1197 * Are there other fatal errors? 1198 */ 1199 #define nfsds_failerr(e) ((e) == ENXIO || (e) == EIO) 1200 1201 /* 1202 * Get a pointer to the MDS session, which is always the first element 1203 * in the list. 1204 * This macro can only be safely used when the NFSLOCKMNT() lock is held. 1205 * The inline function can be used when the lock isn't held. 1206 */ 1207 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess)) 1208 1209 static __inline struct nfsclsession * 1210 nfsmnt_mdssession(struct nfsmount *nmp) 1211 { 1212 struct nfsclsession *tsep; 1213 1214 tsep = NULL; 1215 mtx_lock(&nmp->nm_mtx); 1216 if (TAILQ_FIRST(&nmp->nm_sess) != NULL) 1217 tsep = NFSMNT_MDSSESSION(nmp); 1218 mtx_unlock(&nmp->nm_mtx); 1219 return (tsep); 1220 } 1221 1222 #endif /* _KERNEL */ 1223 1224 #endif /* _NFS_NFSPORT_H */ 1225