1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Rick Macklem at The University of Guelph. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 #ifndef _NFS_NFSPORT_H_ 38 #define _NFS_NFSPORT_H_ 39 40 /* 41 * In general, I'm not fond of #includes in .h files, but this seems 42 * to be the cleanest way to handle #include files for the ports. 43 */ 44 #ifdef _KERNEL 45 #include <sys/unistd.h> 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/conf.h> 49 #include <sys/dirent.h> 50 #include <sys/domain.h> 51 #include <sys/fcntl.h> 52 #include <sys/file.h> 53 #include <sys/filedesc.h> 54 #include <sys/jail.h> 55 #include <sys/kernel.h> 56 #include <sys/lockf.h> 57 #include <sys/malloc.h> 58 #include <sys/mbuf.h> 59 #include <sys/mount.h> 60 #include <sys/mutex.h> 61 #include <sys/namei.h> 62 #include <sys/proc.h> 63 #include <sys/protosw.h> 64 #include <sys/reboot.h> 65 #include <sys/resourcevar.h> 66 #include <sys/signalvar.h> 67 #include <sys/socket.h> 68 #include <sys/socketvar.h> 69 #include <sys/stat.h> 70 #include <sys/syslog.h> 71 #include <sys/sysproto.h> 72 #include <sys/time.h> 73 #include <sys/uio.h> 74 #include <sys/vnode.h> 75 #include <sys/bio.h> 76 #include <sys/buf.h> 77 #include <sys/acl.h> 78 #include <sys/module.h> 79 #include <sys/sysent.h> 80 #include <sys/syscall.h> 81 #include <sys/priv.h> 82 #include <sys/kthread.h> 83 #include <sys/syscallsubr.h> 84 #include <net/if.h> 85 #include <net/if_var.h> 86 #include <net/radix.h> 87 #include <net/route.h> 88 #include <net/if_dl.h> 89 #include <netinet/in.h> 90 #include <netinet/in_pcb.h> 91 #include <netinet/in_systm.h> 92 #include <netinet/in_var.h> 93 #include <netinet/ip.h> 94 #include <netinet/ip_var.h> 95 #include <netinet/tcp.h> 96 #include <netinet/tcp_fsm.h> 97 #include <netinet/tcp_seq.h> 98 #include <netinet/tcp_timer.h> 99 #include <netinet/tcp_var.h> 100 #include <machine/in_cksum.h> 101 #include <sys/md5.h> 102 #include <rpc/rpc.h> 103 #include <rpc/rpcsec_gss.h> 104 105 #include <ufs/ufs/dir.h> 106 #include <ufs/ufs/quota.h> 107 #include <ufs/ufs/inode.h> 108 #include <ufs/ufs/extattr.h> 109 #include <ufs/ufs/ufsmount.h> 110 #include <vm/uma.h> 111 #include <vm/vm.h> 112 #include <vm/pmap.h> 113 #include <vm/vm_extern.h> 114 #include <vm/vm_object.h> 115 #include <vm/vm_page.h> 116 #include <vm/vm_pageout.h> 117 #include <vm/vm_param.h> 118 #include <nfs/nfssvc.h> 119 #include "opt_nfs.h" 120 #include "opt_ufs.h" 121 122 /* 123 * These types must be defined before the nfs includes. 124 */ 125 #define NFSSOCKADDR_T struct sockaddr * 126 #define NFSPROC_T struct thread 127 #define NFSDEV_T dev_t 128 #define NFSSVCARGS nfssvc_args 129 #define NFSACL_T struct acl 130 131 /* 132 * These should be defined as the types used for the corresponding VOP's 133 * argument type. 134 */ 135 #define NFS_ACCESS_ARGS struct vop_access_args 136 #define NFS_OPEN_ARGS struct vop_open_args 137 #define NFS_GETATTR_ARGS struct vop_getattr_args 138 #define NFS_LOOKUP_ARGS struct vop_lookup_args 139 #define NFS_READDIR_ARGS struct vop_readdir_args 140 141 /* 142 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. 143 */ 144 #define NFSMGET(m) do { \ 145 MGET((m), M_WAITOK, MT_DATA); \ 146 while ((m) == NULL ) { \ 147 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 148 MGET((m), M_WAITOK, MT_DATA); \ 149 } \ 150 } while (0) 151 #define NFSMGETHDR(m) do { \ 152 MGETHDR((m), M_WAITOK, MT_DATA); \ 153 while ((m) == NULL ) { \ 154 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 155 MGETHDR((m), M_WAITOK, MT_DATA); \ 156 } \ 157 } while (0) 158 #define NFSMCLGET(m, w) do { \ 159 MGET((m), M_WAITOK, MT_DATA); \ 160 while ((m) == NULL ) { \ 161 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 162 MGET((m), M_WAITOK, MT_DATA); \ 163 } \ 164 MCLGET((m), (w)); \ 165 } while (0) 166 #define NFSMCLGETHDR(m, w) do { \ 167 MGETHDR((m), M_WAITOK, MT_DATA); \ 168 while ((m) == NULL ) { \ 169 (void) nfs_catnap(PZERO, 0, "nfsmget"); \ 170 MGETHDR((m), M_WAITOK, MT_DATA); \ 171 } \ 172 } while (0) 173 174 /* 175 * Client side constant for size of a lockowner name. 176 */ 177 #define NFSV4CL_LOCKNAMELEN 12 178 179 /* 180 * Type for a mutex lock. 181 */ 182 #define NFSMUTEX_T struct mtx 183 184 #endif /* _KERNEL */ 185 186 /* 187 * NFSv4 Operation numbers. 188 */ 189 #define NFSV4OP_ACCESS 3 190 #define NFSV4OP_CLOSE 4 191 #define NFSV4OP_COMMIT 5 192 #define NFSV4OP_CREATE 6 193 #define NFSV4OP_DELEGPURGE 7 194 #define NFSV4OP_DELEGRETURN 8 195 #define NFSV4OP_GETATTR 9 196 #define NFSV4OP_GETFH 10 197 #define NFSV4OP_LINK 11 198 #define NFSV4OP_LOCK 12 199 #define NFSV4OP_LOCKT 13 200 #define NFSV4OP_LOCKU 14 201 #define NFSV4OP_LOOKUP 15 202 #define NFSV4OP_LOOKUPP 16 203 #define NFSV4OP_NVERIFY 17 204 #define NFSV4OP_OPEN 18 205 #define NFSV4OP_OPENATTR 19 206 #define NFSV4OP_OPENCONFIRM 20 207 #define NFSV4OP_OPENDOWNGRADE 21 208 #define NFSV4OP_PUTFH 22 209 #define NFSV4OP_PUTPUBFH 23 210 #define NFSV4OP_PUTROOTFH 24 211 #define NFSV4OP_READ 25 212 #define NFSV4OP_READDIR 26 213 #define NFSV4OP_READLINK 27 214 #define NFSV4OP_REMOVE 28 215 #define NFSV4OP_RENAME 29 216 #define NFSV4OP_RENEW 30 217 #define NFSV4OP_RESTOREFH 31 218 #define NFSV4OP_SAVEFH 32 219 #define NFSV4OP_SECINFO 33 220 #define NFSV4OP_SETATTR 34 221 #define NFSV4OP_SETCLIENTID 35 222 #define NFSV4OP_SETCLIENTIDCFRM 36 223 #define NFSV4OP_VERIFY 37 224 #define NFSV4OP_WRITE 38 225 #define NFSV4OP_RELEASELCKOWN 39 226 227 /* 228 * Must be one greater than the last Operation#. 229 */ 230 #define NFSV4OP_NOPS 40 231 232 /* 233 * Additional Ops for NFSv4.1. 234 */ 235 #define NFSV4OP_BACKCHANNELCTL 40 236 #define NFSV4OP_BINDCONNTOSESS 41 237 #define NFSV4OP_EXCHANGEID 42 238 #define NFSV4OP_CREATESESSION 43 239 #define NFSV4OP_DESTROYSESSION 44 240 #define NFSV4OP_FREESTATEID 45 241 #define NFSV4OP_GETDIRDELEG 46 242 #define NFSV4OP_GETDEVINFO 47 243 #define NFSV4OP_GETDEVLIST 48 244 #define NFSV4OP_LAYOUTCOMMIT 49 245 #define NFSV4OP_LAYOUTGET 50 246 #define NFSV4OP_LAYOUTRETURN 51 247 #define NFSV4OP_SECINFONONAME 52 248 #define NFSV4OP_SEQUENCE 53 249 #define NFSV4OP_SETSSV 54 250 #define NFSV4OP_TESTSTATEID 55 251 #define NFSV4OP_WANTDELEG 56 252 #define NFSV4OP_DESTROYCLIENTID 57 253 #define NFSV4OP_RECLAIMCOMPL 58 254 255 /* 256 * Must be one more than last op#. 257 */ 258 #define NFSV41_NOPS 59 259 260 /* 261 * Additional operations for NFSv4.2. 262 */ 263 #define NFSV4OP_ALLOCATE 59 264 #define NFSV4OP_COPY 60 265 #define NFSV4OP_COPYNOTIFY 61 266 #define NFSV4OP_DEALLOCATE 62 267 #define NFSV4OP_IOADVISE 63 268 #define NFSV4OP_LAYOUTERROR 64 269 #define NFSV4OP_LAYOUTSTATS 65 270 #define NFSV4OP_OFFLOADCANCEL 66 271 #define NFSV4OP_OFFLOADSTATUS 67 272 #define NFSV4OP_READPLUS 68 273 #define NFSV4OP_SEEK 69 274 #define NFSV4OP_WRITESAME 70 275 #define NFSV4OP_CLONE 71 276 277 /* One greater than the last Operation # defined in RFC-7862. */ 278 #define NFSV42_PURENOPS 72 279 280 /* and the optional Extended attribute operations (RFC-8276). */ 281 #define NFSV4OP_GETXATTR 72 282 #define NFSV4OP_SETXATTR 73 283 #define NFSV4OP_LISTXATTRS 74 284 #define NFSV4OP_REMOVEXATTR 75 285 286 /* 287 * Must be one more than the last NFSv4.2 op#. 288 */ 289 #define NFSV42_NOPS 76 290 291 /* Quirky case if the illegal op code */ 292 #define NFSV4OP_OPILLEGAL 10044 293 294 /* 295 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV42_NOPS. 296 */ 297 #define NFSV4OP_SYMLINK (NFSV42_NOPS) 298 #define NFSV4OP_MKDIR (NFSV42_NOPS + 1) 299 #define NFSV4OP_RMDIR (NFSV42_NOPS + 2) 300 #define NFSV4OP_READDIRPLUS (NFSV42_NOPS + 3) 301 #define NFSV4OP_MKNOD (NFSV42_NOPS + 4) 302 #define NFSV4OP_FSSTAT (NFSV42_NOPS + 5) 303 #define NFSV4OP_FSINFO (NFSV42_NOPS + 6) 304 #define NFSV4OP_PATHCONF (NFSV42_NOPS + 7) 305 #define NFSV4OP_V3CREATE (NFSV42_NOPS + 8) 306 307 /* 308 * This is the count of the fake operations listed above. 309 */ 310 #define NFSV4OP_FAKENOPS 9 311 312 /* 313 * and the Callback OPs 314 */ 315 #define NFSV4OP_CBGETATTR 3 316 #define NFSV4OP_CBRECALL 4 317 318 /* 319 * Must be one greater than the last Callback Operation# for NFSv4.0. 320 */ 321 #define NFSV4OP_CBNOPS 5 322 323 /* 324 * Additional Callback Ops for NFSv4.1 only. 325 */ 326 #define NFSV4OP_CBLAYOUTRECALL 5 327 #define NFSV4OP_CBNOTIFY 6 328 #define NFSV4OP_CBPUSHDELEG 7 329 #define NFSV4OP_CBRECALLANY 8 330 #define NFSV4OP_CBRECALLOBJAVAIL 9 331 #define NFSV4OP_CBRECALLSLOT 10 332 #define NFSV4OP_CBSEQUENCE 11 333 #define NFSV4OP_CBWANTCANCELLED 12 334 #define NFSV4OP_CBNOTIFYLOCK 13 335 #define NFSV4OP_CBNOTIFYDEVID 14 336 337 #define NFSV41_CBNOPS 15 338 339 /* 340 * Additional callback operations for NFSv4.2. 341 */ 342 #define NFSV4OP_CBOFFLOAD 15 343 344 #define NFSV42_CBNOPS 16 345 346 /* 347 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher 348 * numbers used by NFSv4. 349 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is 350 * one greater than the last number. 351 */ 352 #ifndef NFS_V3NPROCS 353 #define NFS_V3NPROCS 22 354 355 #define NFSPROC_LOOKUPP 22 356 #define NFSPROC_SETCLIENTID 23 357 #define NFSPROC_SETCLIENTIDCFRM 24 358 #define NFSPROC_LOCK 25 359 #define NFSPROC_LOCKU 26 360 #define NFSPROC_OPEN 27 361 #define NFSPROC_CLOSE 28 362 #define NFSPROC_OPENCONFIRM 29 363 #define NFSPROC_LOCKT 30 364 #define NFSPROC_OPENDOWNGRADE 31 365 #define NFSPROC_RENEW 32 366 #define NFSPROC_PUTROOTFH 33 367 #define NFSPROC_RELEASELCKOWN 34 368 #define NFSPROC_DELEGRETURN 35 369 #define NFSPROC_RETDELEGREMOVE 36 370 #define NFSPROC_RETDELEGRENAME1 37 371 #define NFSPROC_RETDELEGRENAME2 38 372 #define NFSPROC_GETACL 39 373 #define NFSPROC_SETACL 40 374 375 /* 376 * Must be defined as one higher than the last Proc# above. 377 */ 378 #define NFSV4_NPROCS 41 379 380 /* Additional procedures for NFSv4.1. */ 381 #define NFSPROC_EXCHANGEID 41 382 #define NFSPROC_CREATESESSION 42 383 #define NFSPROC_DESTROYSESSION 43 384 #define NFSPROC_DESTROYCLIENT 44 385 #define NFSPROC_FREESTATEID 45 386 #define NFSPROC_LAYOUTGET 46 387 #define NFSPROC_GETDEVICEINFO 47 388 #define NFSPROC_LAYOUTCOMMIT 48 389 #define NFSPROC_LAYOUTRETURN 49 390 #define NFSPROC_RECLAIMCOMPL 50 391 #define NFSPROC_WRITEDS 51 392 #define NFSPROC_READDS 52 393 #define NFSPROC_COMMITDS 53 394 #define NFSPROC_OPENLAYGET 54 395 #define NFSPROC_CREATELAYGET 55 396 397 /* 398 * Must be defined as one higher than the last NFSv4.1 Proc# above. 399 */ 400 #define NFSV41_NPROCS 56 401 402 /* Additional procedures for NFSv4.2. */ 403 #define NFSPROC_IOADVISE 56 404 #define NFSPROC_ALLOCATE 57 405 #define NFSPROC_COPY 58 406 #define NFSPROC_SEEK 59 407 #define NFSPROC_SEEKDS 60 408 409 /* and the ones for the optional Extended attribute support (RFC-8276). */ 410 #define NFSPROC_GETEXTATTR 61 411 #define NFSPROC_SETEXTATTR 62 412 #define NFSPROC_RMEXTATTR 63 413 #define NFSPROC_LISTEXTATTR 64 414 415 /* 416 * Must be defined as one higher than the last NFSv4.2 Proc# above. 417 */ 418 #define NFSV42_NPROCS 65 419 420 #endif /* NFS_V3NPROCS */ 421 422 /* 423 * Newest stats structure. 424 * The vers field will be set to NFSSTATS_V1 by the caller. 425 */ 426 #define NFSSTATS_V1 2 427 struct nfsstatsv1 { 428 int vers; /* Set to version requested by caller. */ 429 uint64_t attrcache_hits; 430 uint64_t attrcache_misses; 431 uint64_t lookupcache_hits; 432 uint64_t lookupcache_misses; 433 uint64_t direofcache_hits; 434 uint64_t direofcache_misses; 435 uint64_t accesscache_hits; 436 uint64_t accesscache_misses; 437 uint64_t biocache_reads; 438 uint64_t read_bios; 439 uint64_t read_physios; 440 uint64_t biocache_writes; 441 uint64_t write_bios; 442 uint64_t write_physios; 443 uint64_t biocache_readlinks; 444 uint64_t readlink_bios; 445 uint64_t biocache_readdirs; 446 uint64_t readdir_bios; 447 uint64_t rpccnt[NFSV42_NPROCS + 15]; 448 uint64_t rpcretries; 449 uint64_t srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 450 uint64_t srvrpc_errs; 451 uint64_t srv_errs; 452 uint64_t rpcrequests; 453 uint64_t rpctimeouts; 454 uint64_t rpcunexpected; 455 uint64_t rpcinvalid; 456 uint64_t srvcache_inproghits; 457 uint64_t srvcache_idemdonehits; 458 uint64_t srvcache_nonidemdonehits; 459 uint64_t srvcache_misses; 460 uint64_t srvcache_tcppeak; 461 int srvcache_size; /* Updated by atomic_xx_int(). */ 462 uint64_t srvclients; 463 uint64_t srvopenowners; 464 uint64_t srvopens; 465 uint64_t srvlockowners; 466 uint64_t srvlocks; 467 uint64_t srvdelegates; 468 uint64_t cbrpccnt[NFSV42_CBNOPS + 10]; 469 uint64_t clopenowners; 470 uint64_t clopens; 471 uint64_t cllockowners; 472 uint64_t cllocks; 473 uint64_t cldelegates; 474 uint64_t cllocalopenowners; 475 uint64_t cllocalopens; 476 uint64_t cllocallockowners; 477 uint64_t cllocallocks; 478 uint64_t srvstartcnt; 479 uint64_t srvdonecnt; 480 uint64_t srvbytes[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 481 uint64_t srvops[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 482 struct bintime srvduration[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15]; 483 struct bintime busyfrom; 484 struct bintime busytime; 485 }; 486 487 /* 488 * Newer stats structure. 489 * The vers field will be set to NFSSTATS_OV1 by the caller. 490 */ 491 #define NFSSTATS_OV1 1 492 struct nfsstatsov1 { 493 int vers; /* Set to version requested by caller. */ 494 uint64_t attrcache_hits; 495 uint64_t attrcache_misses; 496 uint64_t lookupcache_hits; 497 uint64_t lookupcache_misses; 498 uint64_t direofcache_hits; 499 uint64_t direofcache_misses; 500 uint64_t accesscache_hits; 501 uint64_t accesscache_misses; 502 uint64_t biocache_reads; 503 uint64_t read_bios; 504 uint64_t read_physios; 505 uint64_t biocache_writes; 506 uint64_t write_bios; 507 uint64_t write_physios; 508 uint64_t biocache_readlinks; 509 uint64_t readlink_bios; 510 uint64_t biocache_readdirs; 511 uint64_t readdir_bios; 512 uint64_t rpccnt[NFSV42_NPROCS + 4]; 513 uint64_t rpcretries; 514 uint64_t srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 515 uint64_t srvrpc_errs; 516 uint64_t srv_errs; 517 uint64_t rpcrequests; 518 uint64_t rpctimeouts; 519 uint64_t rpcunexpected; 520 uint64_t rpcinvalid; 521 uint64_t srvcache_inproghits; 522 uint64_t srvcache_idemdonehits; 523 uint64_t srvcache_nonidemdonehits; 524 uint64_t srvcache_misses; 525 uint64_t srvcache_tcppeak; 526 int srvcache_size; /* Updated by atomic_xx_int(). */ 527 uint64_t srvclients; 528 uint64_t srvopenowners; 529 uint64_t srvopens; 530 uint64_t srvlockowners; 531 uint64_t srvlocks; 532 uint64_t srvdelegates; 533 uint64_t cbrpccnt[NFSV42_CBNOPS]; 534 uint64_t clopenowners; 535 uint64_t clopens; 536 uint64_t cllockowners; 537 uint64_t cllocks; 538 uint64_t cldelegates; 539 uint64_t cllocalopenowners; 540 uint64_t cllocalopens; 541 uint64_t cllocallockowners; 542 uint64_t cllocallocks; 543 uint64_t srvstartcnt; 544 uint64_t srvdonecnt; 545 uint64_t srvbytes[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 546 uint64_t srvops[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 547 struct bintime srvduration[NFSV42_PURENOPS + NFSV4OP_FAKENOPS]; 548 struct bintime busyfrom; 549 struct bintime busytime; 550 }; 551 552 /* 553 * Old stats structure. 554 */ 555 struct ext_nfsstats { 556 int attrcache_hits; 557 int attrcache_misses; 558 int lookupcache_hits; 559 int lookupcache_misses; 560 int direofcache_hits; 561 int direofcache_misses; 562 int accesscache_hits; 563 int accesscache_misses; 564 int biocache_reads; 565 int read_bios; 566 int read_physios; 567 int biocache_writes; 568 int write_bios; 569 int write_physios; 570 int biocache_readlinks; 571 int readlink_bios; 572 int biocache_readdirs; 573 int readdir_bios; 574 int rpccnt[NFSV4_NPROCS]; 575 int rpcretries; 576 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 577 int srvrpc_errs; 578 int srv_errs; 579 int rpcrequests; 580 int rpctimeouts; 581 int rpcunexpected; 582 int rpcinvalid; 583 int srvcache_inproghits; 584 int srvcache_idemdonehits; 585 int srvcache_nonidemdonehits; 586 int srvcache_misses; 587 int srvcache_tcppeak; 588 int srvcache_size; 589 int srvclients; 590 int srvopenowners; 591 int srvopens; 592 int srvlockowners; 593 int srvlocks; 594 int srvdelegates; 595 int cbrpccnt[NFSV4OP_CBNOPS]; 596 int clopenowners; 597 int clopens; 598 int cllockowners; 599 int cllocks; 600 int cldelegates; 601 int cllocalopenowners; 602 int cllocalopens; 603 int cllocallockowners; 604 int cllocallocks; 605 }; 606 607 #ifdef _KERNEL 608 /* 609 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 610 */ 611 #ifndef NFS_NPROCS 612 #define NFS_NPROCS NFSV4_NPROCS 613 #endif 614 615 #include <fs/nfs/nfskpiport.h> 616 #include <fs/nfs/nfsdport.h> 617 #include <fs/nfs/rpcv2.h> 618 #include <fs/nfs/nfsproto.h> 619 #include <fs/nfs/nfs.h> 620 #include <fs/nfs/nfsclstate.h> 621 #include <fs/nfs/nfs_var.h> 622 #include <fs/nfs/nfsm_subs.h> 623 #include <fs/nfs/nfsrvcache.h> 624 #include <fs/nfs/nfsrvstate.h> 625 #include <fs/nfs/xdr_subs.h> 626 #include <fs/nfs/nfscl.h> 627 #include <nfsclient/nfsargs.h> 628 #include <fs/nfsclient/nfsmount.h> 629 630 /* 631 * Just to keep nfs_var.h happy. 632 */ 633 struct nfs_vattr { 634 int junk; 635 }; 636 637 struct nfsvattr { 638 struct vattr na_vattr; 639 nfsattrbit_t na_suppattr; 640 u_int64_t na_mntonfileno; 641 u_int64_t na_filesid[2]; 642 }; 643 644 #define na_type na_vattr.va_type 645 #define na_mode na_vattr.va_mode 646 #define na_nlink na_vattr.va_nlink 647 #define na_uid na_vattr.va_uid 648 #define na_gid na_vattr.va_gid 649 #define na_fsid na_vattr.va_fsid 650 #define na_fileid na_vattr.va_fileid 651 #define na_size na_vattr.va_size 652 #define na_blocksize na_vattr.va_blocksize 653 #define na_atime na_vattr.va_atime 654 #define na_mtime na_vattr.va_mtime 655 #define na_ctime na_vattr.va_ctime 656 #define na_btime na_vattr.va_birthtime 657 #define na_gen na_vattr.va_gen 658 #define na_flags na_vattr.va_flags 659 #define na_rdev na_vattr.va_rdev 660 #define na_bytes na_vattr.va_bytes 661 #define na_filerev na_vattr.va_filerev 662 #define na_vaflags na_vattr.va_vaflags 663 664 #include <fs/nfsclient/nfsnode.h> 665 666 /* 667 * This is the header structure used for the lists, etc. (It has the 668 * above record in it. 669 */ 670 struct nfsrv_stablefirst { 671 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 672 time_t nsf_eograce; /* Time grace period ends */ 673 time_t *nsf_bootvals; /* Previous boottime values */ 674 struct file *nsf_fp; /* File table pointer */ 675 u_char nsf_flags; /* NFSNSF_ flags */ 676 struct nfsf_rec nsf_rec; /* and above first record */ 677 }; 678 #define nsf_lease nsf_rec.lease 679 #define nsf_numboots nsf_rec.numboots 680 681 /* NFSNSF_xxx flags */ 682 #define NFSNSF_UPDATEDONE 0x01 683 #define NFSNSF_GRACEOVER 0x02 684 #define NFSNSF_NEEDLOCK 0x04 685 #define NFSNSF_EXPIREDCLIENT 0x08 686 #define NFSNSF_NOOPENS 0x10 687 #define NFSNSF_OK 0x20 688 689 /* 690 * Maximum number of boot times allowed in record. Although there is 691 * really no need for a fixed upper bound, this serves as a sanity check 692 * for a corrupted file. 693 */ 694 #define NFSNSF_MAXNUMBOOTS 10000 695 696 /* 697 * This structure defines the other records in the file. The 698 * nst_client array is actually the size of the client string name. 699 */ 700 struct nfst_rec { 701 u_int16_t len; 702 u_char flag; 703 u_char client[1]; 704 }; 705 /* and the values for flag */ 706 #define NFSNST_NEWSTATE 0x1 707 #define NFSNST_REVOKE 0x2 708 #define NFSNST_GOTSTATE 0x4 709 #define NFSNST_RECLAIMED 0x8 710 711 /* 712 * This structure is linked onto nfsrv_stablefirst for the duration of 713 * reclaim. 714 */ 715 struct nfsrv_stable { 716 LIST_ENTRY(nfsrv_stable) nst_list; 717 struct nfsclient *nst_clp; 718 struct nfst_rec nst_rec; 719 }; 720 #define nst_timestamp nst_rec.timestamp 721 #define nst_len nst_rec.len 722 #define nst_flag nst_rec.flag 723 #define nst_client nst_rec.client 724 725 /* 726 * At some point the server will run out of kernel storage for 727 * state structures. For FreeBSD5.2, this results in a panic 728 * kmem_map is full. It happens at well over 1000000 opens plus 729 * locks on a PIII-800 with 256Mbytes, so that is where I've set 730 * the limit. If your server panics due to too many opens/locks, 731 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 732 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 733 * increasing it. 734 */ 735 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 736 737 /* 738 * The type required differs with BSDen (just the second arg). 739 */ 740 void nfsrvd_rcv(struct socket *, void *, int); 741 742 /* 743 * Macros for handling socket addresses. (Hopefully this makes the code 744 * more portable, since I've noticed some 'BSD don't have sockaddrs in 745 * mbufs any more.) 746 */ 747 #define NFSSOCKADDR(a, t) ((t)(a)) 748 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 749 750 /* 751 * These should be defined as a process or thread structure, as required 752 * for signal handling, etc. 753 */ 754 #define NFSNEWCRED(c) (crdup(c)) 755 #define NFSPROCCRED(p) ((p)->td_ucred) 756 #define NFSFREECRED(c) (crfree(c)) 757 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 758 #define NFSPROCP(p) ((p)->td_proc) 759 760 /* 761 * Define these so that cn_hash and its length is ignored. 762 */ 763 #define NFSCNHASHZERO(c) 764 #define NFSCNHASH(c, v) 765 #define NCHNAMLEN 9999999 766 767 /* 768 * These macros are defined to initialize and set the timer routine. 769 */ 770 #define NFS_TIMERINIT \ 771 newnfs_timer(NULL) 772 773 /* 774 * Handle SMP stuff: 775 */ 776 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 777 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 778 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 779 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 780 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 781 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 782 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 783 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 784 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 785 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 786 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 787 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 788 #define NFSNAMEIDMUTEXPTR (&nfs_nameid_mutex) 789 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 790 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 791 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 792 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 793 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 794 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 795 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 796 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 797 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 798 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 799 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 800 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 801 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 802 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 803 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 804 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 805 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 806 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 807 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 808 #define NFSASSERTNODE(n) mtx_assert(&((n)->n_mtx), MA_OWNED) 809 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 810 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 811 #define NFSLOCKIOD() mtx_lock(&ncl_iod_mutex) 812 #define NFSUNLOCKIOD() mtx_unlock(&ncl_iod_mutex) 813 #define NFSASSERTIOD() mtx_assert(&ncl_iod_mutex, MA_OWNED) 814 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 815 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 816 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 817 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 818 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 819 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 820 #define NFSSESSIONMUTEXPTR(s) (&((s)->mtx)) 821 #define NFSLOCKSESSION(s) mtx_lock(&((s)->mtx)) 822 #define NFSUNLOCKSESSION(s) mtx_unlock(&((s)->mtx)) 823 #define NFSLAYOUTMUTEXPTR(l) (&((l)->mtx)) 824 #define NFSLOCKLAYOUT(l) mtx_lock(&((l)->mtx)) 825 #define NFSUNLOCKLAYOUT(l) mtx_unlock(&((l)->mtx)) 826 #define NFSDDSMUTEXPTR (&nfsrv_dslock_mtx) 827 #define NFSDDSLOCK() mtx_lock(&nfsrv_dslock_mtx) 828 #define NFSDDSUNLOCK() mtx_unlock(&nfsrv_dslock_mtx) 829 #define NFSDDONTLISTMUTEXPTR (&nfsrv_dontlistlock_mtx) 830 #define NFSDDONTLISTLOCK() mtx_lock(&nfsrv_dontlistlock_mtx) 831 #define NFSDDONTLISTUNLOCK() mtx_unlock(&nfsrv_dontlistlock_mtx) 832 #define NFSDRECALLMUTEXPTR (&nfsrv_recalllock_mtx) 833 #define NFSDRECALLLOCK() mtx_lock(&nfsrv_recalllock_mtx) 834 #define NFSDRECALLUNLOCK() mtx_unlock(&nfsrv_recalllock_mtx) 835 836 /* 837 * Use these macros to initialize/free a mutex. 838 */ 839 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 840 #define NFSFREEMUTEX(m) mtx_destroy((m)) 841 842 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 843 844 /* 845 * And weird vm stuff in the nfs server. 846 */ 847 #define PDIRUNLOCK 0x0 848 #define MAX_COMMIT_COUNT (1024 * 1024) 849 850 /* 851 * Define these to handle the type of va_rdev. 852 */ 853 #define NFSMAKEDEV(m, n) makedev((m), (n)) 854 #define NFSMAJOR(d) major(d) 855 #define NFSMINOR(d) minor(d) 856 857 /* 858 * The vnode tag for nfsv4root. 859 */ 860 #define VT_NFSV4ROOT "nfsv4root" 861 862 /* 863 * Define whatever it takes to do a vn_rdwr(). 864 */ 865 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 866 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 867 868 /* 869 * Macros for handling memory for different BSDen. 870 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 871 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 872 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 873 * NFSBZERO(cp, len) - set len bytes to 0x0 874 */ 875 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 876 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 877 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 878 #define NFSBZERO(s, l) bzero((s), (l)) 879 880 /* 881 * Some queue.h files don't have these dfined in them. 882 */ 883 #define LIST_END(head) NULL 884 #define SLIST_END(head) NULL 885 #define TAILQ_END(head) NULL 886 887 /* 888 * This must be defined to be a global variable that increments once 889 * per second, but never stops or goes backwards, even when a "date" 890 * command changes the TOD clock. It is used for delta times for 891 * leases, etc. 892 */ 893 #define NFSD_MONOSEC time_uptime 894 895 /* 896 * Declare the malloc types. 897 */ 898 MALLOC_DECLARE(M_NEWNFSRVCACHE); 899 MALLOC_DECLARE(M_NEWNFSDCLIENT); 900 MALLOC_DECLARE(M_NEWNFSDSTATE); 901 MALLOC_DECLARE(M_NEWNFSDLOCK); 902 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 903 MALLOC_DECLARE(M_NEWNFSSTRING); 904 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 905 MALLOC_DECLARE(M_NEWNFSDREQ); 906 MALLOC_DECLARE(M_NEWNFSFH); 907 MALLOC_DECLARE(M_NEWNFSCLOWNER); 908 MALLOC_DECLARE(M_NEWNFSCLOPEN); 909 MALLOC_DECLARE(M_NEWNFSCLDELEG); 910 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 911 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 912 MALLOC_DECLARE(M_NEWNFSCLLOCK); 913 MALLOC_DECLARE(M_NEWNFSDIROFF); 914 MALLOC_DECLARE(M_NEWNFSV4NODE); 915 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 916 MALLOC_DECLARE(M_NEWNFSMNT); 917 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 918 MALLOC_DECLARE(M_NEWNFSLAYOUT); 919 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 920 MALLOC_DECLARE(M_NEWNFSDEVINFO); 921 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 922 MALLOC_DECLARE(M_NEWNFSCLDS); 923 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 924 MALLOC_DECLARE(M_NEWNFSDSESSION); 925 #define M_NFSRVCACHE M_NEWNFSRVCACHE 926 #define M_NFSDCLIENT M_NEWNFSDCLIENT 927 #define M_NFSDSTATE M_NEWNFSDSTATE 928 #define M_NFSDLOCK M_NEWNFSDLOCK 929 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 930 #define M_NFSSTRING M_NEWNFSSTRING 931 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 932 #define M_NFSDREQ M_NEWNFSDREQ 933 #define M_NFSFH M_NEWNFSFH 934 #define M_NFSCLOWNER M_NEWNFSCLOWNER 935 #define M_NFSCLOPEN M_NEWNFSCLOPEN 936 #define M_NFSCLDELEG M_NEWNFSCLDELEG 937 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 938 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 939 #define M_NFSCLLOCK M_NEWNFSCLLOCK 940 #define M_NFSDIROFF M_NEWNFSDIROFF 941 #define M_NFSV4NODE M_NEWNFSV4NODE 942 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 943 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 944 #define M_NFSLAYOUT M_NEWNFSLAYOUT 945 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 946 #define M_NFSDEVINFO M_NEWNFSDEVINFO 947 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 948 #define M_NFSCLDS M_NEWNFSCLDS 949 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 950 #define M_NFSDSESSION M_NEWNFSDSESSION 951 952 #define NFSINT_SIGMASK(set) \ 953 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 954 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 955 SIGISMEMBER(set, SIGQUIT)) 956 957 /* 958 * Convert a quota block count to byte count. 959 */ 960 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 961 962 /* 963 * Define this as the largest file size supported. (It should probably 964 * be available via a VFS_xxx Op, but it isn't. 965 */ 966 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 967 968 /* 969 * Set this macro to index() or strchr(), whichever is supported. 970 */ 971 #define STRCHR(s, c) strchr((s), (c)) 972 973 /* 974 * Set the n_time in the client write rpc, as required. 975 */ 976 #define NFSWRITERPC_SETTIME(w, n, a, v4) \ 977 do { \ 978 if (w) { \ 979 NFSLOCKNODE(n); \ 980 (n)->n_mtime = (a)->na_mtime; \ 981 if (v4) \ 982 (n)->n_change = (a)->na_filerev; \ 983 NFSUNLOCKNODE(n); \ 984 } \ 985 } while (0) 986 987 /* 988 * Fake value, just to make the client work. 989 */ 990 #define NFS_LATTR_NOSHRINK 1 991 992 /* 993 * Prototypes for functions where the arguments vary for different ports. 994 */ 995 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *, 996 int, int); 997 int newnfs_realign(struct mbuf **, int); 998 bool ncl_pager_setsize(struct vnode *vp, u_quad_t *nsizep); 999 1000 /* 1001 * If the port runs on an SMP box that can enforce Atomic ops with low 1002 * overheads, define these as atomic increments/decrements. If not, 1003 * don't worry about it, since these are used for stats that can be 1004 * "out by one" without disastrous consequences. 1005 */ 1006 #define NFSINCRGLOBAL(a) ((a)++) 1007 1008 /* 1009 * Assorted funky stuff to make things work under Darwin8. 1010 */ 1011 /* 1012 * These macros checks for a field in vattr being set. 1013 */ 1014 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 1015 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 1016 1017 /* 1018 * Manipulate mount flags. 1019 */ 1020 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 1021 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 1022 #define NFSSTA_OPENMODE 0x00200000 /* Must use correct open mode */ 1023 #define NFSSTA_FLEXFILE 0x00800000 /* Use Flex File Layout */ 1024 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 1025 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 1026 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 1027 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 1028 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 1029 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 1030 1031 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 1032 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 1033 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 1034 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 1035 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 1036 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 1037 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 1038 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 1039 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 1040 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 1041 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 1042 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 1043 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 1044 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 1045 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 1046 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 1047 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 1048 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 1049 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 1050 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 1051 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 1052 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 1053 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 1054 #define NFSHASFLEXFILE(n) ((n)->nm_state & NFSSTA_FLEXFILE) 1055 #define NFSHASOPENMODE(n) ((n)->nm_state & NFSSTA_OPENMODE) 1056 #define NFSHASONEOPENOWN(n) (((n)->nm_flag & NFSMNT_ONEOPENOWN) != 0 && \ 1057 (n)->nm_minorvers > 0) 1058 #define NFSHASTLS(n) (((n)->nm_newflag & NFSMNT_TLS) != 0) 1059 1060 /* 1061 * Set boottime. 1062 */ 1063 #define NFSSETBOOTTIME(b) (getboottime(&b)) 1064 1065 /* 1066 * The size of directory blocks in the buffer cache. 1067 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 1068 */ 1069 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 1070 1071 /* 1072 * Define these macros to access mnt_flag fields. 1073 */ 1074 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 1075 #endif /* _KERNEL */ 1076 1077 /* 1078 * Define a structure similar to ufs_args for use in exporting the V4 root. 1079 */ 1080 struct nfsex_args { 1081 char *fspec; 1082 struct export_args export; 1083 }; 1084 1085 struct nfsex_oldargs { 1086 char *fspec; 1087 struct o2export_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