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