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