1 /* $NetBSD: nfsport.h,v 1.1.1.1 2013/09/30 07:19:41 dholland Exp $ */ 2 /*- 3 * Copyright (c) 1989, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Rick Macklem at The University of Guelph. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * FreeBSD: head/sys/fs/nfs/nfsport.h 254337 2013-08-14 21:11:26Z rmacklem 34 * $NetBSD: nfsport.h,v 1.1.1.1 2013/09/30 07:19:41 dholland Exp $ 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/namei.h> 61 #include <sys/proc.h> 62 #include <sys/protosw.h> 63 #include <sys/reboot.h> 64 #include <sys/resourcevar.h> 65 #include <sys/signalvar.h> 66 #include <sys/socket.h> 67 #include <sys/socketvar.h> 68 #include <sys/stat.h> 69 #include <sys/syslog.h> 70 #include <sys/sysproto.h> 71 #include <sys/time.h> 72 #include <sys/uio.h> 73 #include <sys/vnode.h> 74 #include <sys/bio.h> 75 #include <sys/buf.h> 76 #include <sys/acl.h> 77 #include <sys/module.h> 78 #include <sys/sysent.h> 79 #include <sys/syscall.h> 80 #include <sys/priv.h> 81 #include <sys/kthread.h> 82 #include <sys/syscallsubr.h> 83 #include <net/if.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 #include <net/if_dl.h> 87 #include <netinet/in.h> 88 #include <netinet/in_pcb.h> 89 #include <netinet/in_systm.h> 90 #include <netinet/in_var.h> 91 #include <netinet/ip.h> 92 #include <netinet/ip_var.h> 93 #include <netinet/tcp.h> 94 #include <netinet/tcp_fsm.h> 95 #include <netinet/tcp_seq.h> 96 #include <netinet/tcp_timer.h> 97 #include <netinet/tcp_var.h> 98 #include <machine/in_cksum.h> 99 #include <crypto/des/des.h> 100 #include <sys/md5.h> 101 #include <rpc/rpc.h> 102 #include <rpc/rpcsec_gss.h> 103 104 /* 105 * For Darwin, these functions should be "static" when built in a kext. 106 * (This is always defined as nil otherwise.) 107 */ 108 #define APPLESTATIC 109 #include <ufs/ufs/dir.h> 110 #include <ufs/ufs/quota.h> 111 #include <ufs/ufs/inode.h> 112 #include <ufs/ufs/extattr.h> 113 #include <ufs/ufs/ufsmount.h> 114 #include <vm/uma.h> 115 #include <vm/vm.h> 116 #include <vm/vm_object.h> 117 #include <vm/vm_extern.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 #define NFSMTOD mtod 174 175 /* 176 * Client side constant for size of a lockowner name. 177 */ 178 #define NFSV4CL_LOCKNAMELEN 12 179 180 /* 181 * Type for a mutex lock. 182 */ 183 #define NFSMUTEX_T struct mtx 184 185 #endif /* _KERNEL */ 186 187 /* 188 * NFSv4 Operation numbers. 189 */ 190 #define NFSV4OP_ACCESS 3 191 #define NFSV4OP_CLOSE 4 192 #define NFSV4OP_COMMIT 5 193 #define NFSV4OP_CREATE 6 194 #define NFSV4OP_DELEGPURGE 7 195 #define NFSV4OP_DELEGRETURN 8 196 #define NFSV4OP_GETATTR 9 197 #define NFSV4OP_GETFH 10 198 #define NFSV4OP_LINK 11 199 #define NFSV4OP_LOCK 12 200 #define NFSV4OP_LOCKT 13 201 #define NFSV4OP_LOCKU 14 202 #define NFSV4OP_LOOKUP 15 203 #define NFSV4OP_LOOKUPP 16 204 #define NFSV4OP_NVERIFY 17 205 #define NFSV4OP_OPEN 18 206 #define NFSV4OP_OPENATTR 19 207 #define NFSV4OP_OPENCONFIRM 20 208 #define NFSV4OP_OPENDOWNGRADE 21 209 #define NFSV4OP_PUTFH 22 210 #define NFSV4OP_PUTPUBFH 23 211 #define NFSV4OP_PUTROOTFH 24 212 #define NFSV4OP_READ 25 213 #define NFSV4OP_READDIR 26 214 #define NFSV4OP_READLINK 27 215 #define NFSV4OP_REMOVE 28 216 #define NFSV4OP_RENAME 29 217 #define NFSV4OP_RENEW 30 218 #define NFSV4OP_RESTOREFH 31 219 #define NFSV4OP_SAVEFH 32 220 #define NFSV4OP_SECINFO 33 221 #define NFSV4OP_SETATTR 34 222 #define NFSV4OP_SETCLIENTID 35 223 #define NFSV4OP_SETCLIENTIDCFRM 36 224 #define NFSV4OP_VERIFY 37 225 #define NFSV4OP_WRITE 38 226 #define NFSV4OP_RELEASELCKOWN 39 227 228 /* 229 * Must be one greater than the last Operation#. 230 */ 231 #define NFSV4OP_NOPS 40 232 233 /* 234 * Additional Ops for NFSv4.1. 235 */ 236 #define NFSV4OP_BACKCHANNELCTL 40 237 #define NFSV4OP_BINDCONNTOSESS 41 238 #define NFSV4OP_EXCHANGEID 42 239 #define NFSV4OP_CREATESESSION 43 240 #define NFSV4OP_DESTROYSESSION 44 241 #define NFSV4OP_FREESTATEID 45 242 #define NFSV4OP_GETDIRDELEG 46 243 #define NFSV4OP_GETDEVINFO 47 244 #define NFSV4OP_GETDEVLIST 48 245 #define NFSV4OP_LAYOUTCOMMIT 49 246 #define NFSV4OP_LAYOUTGET 50 247 #define NFSV4OP_LAYOUTRETURN 51 248 #define NFSV4OP_SECINFONONAME 52 249 #define NFSV4OP_SEQUENCE 53 250 #define NFSV4OP_SETSSV 54 251 #define NFSV4OP_TESTSTATEID 55 252 #define NFSV4OP_WANTDELEG 56 253 #define NFSV4OP_DESTROYCLIENTID 57 254 #define NFSV4OP_RECLAIMCOMPL 58 255 256 /* 257 * Must be one more than last op#. 258 */ 259 #define NFSV41_NOPS 59 260 261 /* Quirky case if the illegal op code */ 262 #define NFSV4OP_OPILLEGAL 10044 263 264 /* 265 * Fake NFSV4OP_xxx used for nfsstat. Start at NFSV4OP_NOPS. 266 */ 267 #define NFSV4OP_SYMLINK (NFSV4OP_NOPS) 268 #define NFSV4OP_MKDIR (NFSV4OP_NOPS + 1) 269 #define NFSV4OP_RMDIR (NFSV4OP_NOPS + 2) 270 #define NFSV4OP_READDIRPLUS (NFSV4OP_NOPS + 3) 271 #define NFSV4OP_MKNOD (NFSV4OP_NOPS + 4) 272 #define NFSV4OP_FSSTAT (NFSV4OP_NOPS + 5) 273 #define NFSV4OP_FSINFO (NFSV4OP_NOPS + 6) 274 #define NFSV4OP_PATHCONF (NFSV4OP_NOPS + 7) 275 #define NFSV4OP_V3CREATE (NFSV4OP_NOPS + 8) 276 277 /* 278 * This is the count of the fake operations listed above. 279 */ 280 #define NFSV4OP_FAKENOPS 9 281 282 /* 283 * and the Callback OPs 284 */ 285 #define NFSV4OP_CBGETATTR 3 286 #define NFSV4OP_CBRECALL 4 287 288 /* 289 * Must be one greater than the last Callback Operation#. 290 */ 291 #define NFSV4OP_CBNOPS 5 292 293 /* 294 * Additional Callback Ops for NFSv4.1 only. Not yet in nfsstats. 295 */ 296 #define NFSV4OP_CBLAYOUTRECALL 5 297 #define NFSV4OP_CBNOTIFY 6 298 #define NFSV4OP_CBPUSHDELEG 7 299 #define NFSV4OP_CBRECALLANY 8 300 #define NFSV4OP_CBRECALLOBJAVAIL 9 301 #define NFSV4OP_CBRECALLSLOT 10 302 #define NFSV4OP_CBSEQUENCE 11 303 #define NFSV4OP_CBWANTCANCELLED 12 304 #define NFSV4OP_CBNOTIFYLOCK 13 305 #define NFSV4OP_CBNOTIFYDEVID 14 306 307 /* 308 * The lower numbers -> 21 are used by NFSv2 and v3. These define higher 309 * numbers used by NFSv4. 310 * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is 311 * one greater than the last number. 312 */ 313 #ifndef NFS_V3NPROCS 314 #define NFS_V3NPROCS 22 315 316 #define NFSPROC_LOOKUPP 22 317 #define NFSPROC_SETCLIENTID 23 318 #define NFSPROC_SETCLIENTIDCFRM 24 319 #define NFSPROC_LOCK 25 320 #define NFSPROC_LOCKU 26 321 #define NFSPROC_OPEN 27 322 #define NFSPROC_CLOSE 28 323 #define NFSPROC_OPENCONFIRM 29 324 #define NFSPROC_LOCKT 30 325 #define NFSPROC_OPENDOWNGRADE 31 326 #define NFSPROC_RENEW 32 327 #define NFSPROC_PUTROOTFH 33 328 #define NFSPROC_RELEASELCKOWN 34 329 #define NFSPROC_DELEGRETURN 35 330 #define NFSPROC_RETDELEGREMOVE 36 331 #define NFSPROC_RETDELEGRENAME1 37 332 #define NFSPROC_RETDELEGRENAME2 38 333 #define NFSPROC_GETACL 39 334 #define NFSPROC_SETACL 40 335 336 /* 337 * Must be defined as one higher than the last Proc# above. 338 */ 339 #define NFSV4_NPROCS 41 340 341 /* Additional procedures for NFSv4.1. */ 342 #define NFSPROC_EXCHANGEID 41 343 #define NFSPROC_CREATESESSION 42 344 #define NFSPROC_DESTROYSESSION 43 345 #define NFSPROC_DESTROYCLIENT 44 346 #define NFSPROC_FREESTATEID 45 347 #define NFSPROC_LAYOUTGET 46 348 #define NFSPROC_GETDEVICEINFO 47 349 #define NFSPROC_LAYOUTCOMMIT 48 350 #define NFSPROC_LAYOUTRETURN 49 351 #define NFSPROC_RECLAIMCOMPL 50 352 #define NFSPROC_WRITEDS 51 353 #define NFSPROC_READDS 52 354 #define NFSPROC_COMMITDS 53 355 356 /* 357 * Must be defined as one higher than the last NFSv4.1 Proc# above. 358 */ 359 #define NFSV41_NPROCS 54 360 361 #endif /* NFS_V3NPROCS */ 362 363 /* 364 * Stats structure 365 */ 366 struct ext_nfsstats { 367 int attrcache_hits; 368 int attrcache_misses; 369 int lookupcache_hits; 370 int lookupcache_misses; 371 int direofcache_hits; 372 int direofcache_misses; 373 int accesscache_hits; 374 int accesscache_misses; 375 int biocache_reads; 376 int read_bios; 377 int read_physios; 378 int biocache_writes; 379 int write_bios; 380 int write_physios; 381 int biocache_readlinks; 382 int readlink_bios; 383 int biocache_readdirs; 384 int readdir_bios; 385 int rpccnt[NFSV4_NPROCS]; 386 int rpcretries; 387 int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS]; 388 int srvrpc_errs; 389 int srv_errs; 390 int rpcrequests; 391 int rpctimeouts; 392 int rpcunexpected; 393 int rpcinvalid; 394 int srvcache_inproghits; 395 int srvcache_idemdonehits; 396 int srvcache_nonidemdonehits; 397 int srvcache_misses; 398 int srvcache_tcppeak; 399 int srvcache_size; 400 int srvclients; 401 int srvopenowners; 402 int srvopens; 403 int srvlockowners; 404 int srvlocks; 405 int srvdelegates; 406 int cbrpccnt[NFSV4OP_CBNOPS]; 407 int clopenowners; 408 int clopens; 409 int cllockowners; 410 int cllocks; 411 int cldelegates; 412 int cllocalopenowners; 413 int cllocalopens; 414 int cllocallockowners; 415 int cllocallocks; 416 }; 417 418 #ifdef _KERNEL 419 /* 420 * Define the ext_nfsstats as nfsstats for the kernel code. 421 */ 422 #define nfsstats ext_nfsstats 423 424 /* 425 * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code. 426 */ 427 #ifndef NFS_NPROCS 428 #define NFS_NPROCS NFSV4_NPROCS 429 #endif 430 431 #include <fs/nfs/nfskpiport.h> 432 #include <fs/nfs/nfsdport.h> 433 #include <fs/nfs/rpcv2.h> 434 #include <fs/nfs/nfsproto.h> 435 #include <fs/nfs/nfs.h> 436 #include <fs/nfs/nfsclstate.h> 437 #include <fs/nfs/nfs_var.h> 438 #include <fs/nfs/nfsm_subs.h> 439 #include <fs/nfs/nfsrvcache.h> 440 #include <fs/nfs/nfsrvstate.h> 441 #include <fs/nfs/xdr_subs.h> 442 #include <fs/nfs/nfscl.h> 443 #include <nfsclient/nfsargs.h> 444 #include <fs/nfsclient/nfsmount.h> 445 446 /* 447 * Just to keep nfs_var.h happy. 448 */ 449 struct nfs_vattr { 450 int junk; 451 }; 452 453 struct nfsvattr { 454 struct vattr na_vattr; 455 nfsattrbit_t na_suppattr; 456 u_int32_t na_mntonfileno; 457 u_int64_t na_filesid[2]; 458 }; 459 460 #define na_type na_vattr.va_type 461 #define na_mode na_vattr.va_mode 462 #define na_nlink na_vattr.va_nlink 463 #define na_uid na_vattr.va_uid 464 #define na_gid na_vattr.va_gid 465 #define na_fsid na_vattr.va_fsid 466 #define na_fileid na_vattr.va_fileid 467 #define na_size na_vattr.va_size 468 #define na_blocksize na_vattr.va_blocksize 469 #define na_atime na_vattr.va_atime 470 #define na_mtime na_vattr.va_mtime 471 #define na_ctime na_vattr.va_ctime 472 #define na_gen na_vattr.va_gen 473 #define na_flags na_vattr.va_flags 474 #define na_rdev na_vattr.va_rdev 475 #define na_bytes na_vattr.va_bytes 476 #define na_filerev na_vattr.va_filerev 477 #define na_vaflags na_vattr.va_vaflags 478 479 #include <fs/nfsclient/nfsnode.h> 480 481 /* 482 * This is the header structure used for the lists, etc. (It has the 483 * above record in it. 484 */ 485 struct nfsrv_stablefirst { 486 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 487 time_t nsf_eograce; /* Time grace period ends */ 488 time_t *nsf_bootvals; /* Previous boottime values */ 489 struct file *nsf_fp; /* File table pointer */ 490 u_char nsf_flags; /* NFSNSF_ flags */ 491 struct nfsf_rec nsf_rec; /* and above first record */ 492 }; 493 #define nsf_lease nsf_rec.lease 494 #define nsf_numboots nsf_rec.numboots 495 496 /* NFSNSF_xxx flags */ 497 #define NFSNSF_UPDATEDONE 0x01 498 #define NFSNSF_GRACEOVER 0x02 499 #define NFSNSF_NEEDLOCK 0x04 500 #define NFSNSF_EXPIREDCLIENT 0x08 501 #define NFSNSF_NOOPENS 0x10 502 #define NFSNSF_OK 0x20 503 504 /* 505 * Maximum number of boot times allowed in record. Although there is 506 * really no need for a fixed upper bound, this serves as a sanity check 507 * for a corrupted file. 508 */ 509 #define NFSNSF_MAXNUMBOOTS 10000 510 511 /* 512 * This structure defines the other records in the file. The 513 * nst_client array is actually the size of the client string name. 514 */ 515 struct nfst_rec { 516 u_int16_t len; 517 u_char flag; 518 u_char client[1]; 519 }; 520 /* and the values for flag */ 521 #define NFSNST_NEWSTATE 0x1 522 #define NFSNST_REVOKE 0x2 523 #define NFSNST_GOTSTATE 0x4 524 525 /* 526 * This structure is linked onto nfsrv_stablefirst for the duration of 527 * reclaim. 528 */ 529 struct nfsrv_stable { 530 LIST_ENTRY(nfsrv_stable) nst_list; 531 struct nfsclient *nst_clp; 532 struct nfst_rec nst_rec; 533 }; 534 #define nst_timestamp nst_rec.timestamp 535 #define nst_len nst_rec.len 536 #define nst_flag nst_rec.flag 537 #define nst_client nst_rec.client 538 539 /* 540 * At some point the server will run out of kernel storage for 541 * state structures. For FreeBSD5.2, this results in a panic 542 * kmem_map is full. It happens at well over 1000000 opens plus 543 * locks on a PIII-800 with 256Mbytes, so that is where I've set 544 * the limit. If your server panics due to too many opens/locks, 545 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 546 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 547 * increasing it. 548 */ 549 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 550 551 /* 552 * The type required differs with BSDen (just the second arg). 553 */ 554 void nfsrvd_rcv(struct socket *, void *, int); 555 556 /* 557 * Macros for handling socket addresses. (Hopefully this makes the code 558 * more portable, since I've noticed some 'BSD don't have sockaddrs in 559 * mbufs any more.) 560 */ 561 #define NFSSOCKADDR(a, t) ((t)(a)) 562 #define NFSSOCKADDRALLOC(a) \ 563 do { \ 564 MALLOC((a), struct sockaddr *, sizeof (struct sockaddr), \ 565 M_SONAME, M_WAITOK); \ 566 NFSBZERO((a), sizeof (struct sockaddr)); \ 567 } while (0) 568 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 569 #define NFSSOCKADDRFREE(a) \ 570 do { \ 571 if (a) \ 572 FREE((caddr_t)(a), M_SONAME); \ 573 } while (0) 574 575 /* 576 * These should be defined as a process or thread structure, as required 577 * for signal handling, etc. 578 */ 579 #define NFSNEWCRED(c) (crdup(c)) 580 #define NFSPROCCRED(p) ((p)->td_ucred) 581 #define NFSFREECRED(c) (crfree(c)) 582 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 583 #define NFSPROCP(p) ((p)->td_proc) 584 585 /* 586 * Define these so that cn_hash and its length is ignored. 587 */ 588 #define NFSCNHASHZERO(c) 589 #define NFSCNHASH(c, v) 590 #define NCHNAMLEN 9999999 591 592 /* 593 * These macros are defined to initialize and set the timer routine. 594 */ 595 #define NFS_TIMERINIT \ 596 newnfs_timer(NULL) 597 598 /* 599 * Handle SMP stuff: 600 */ 601 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 602 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 603 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 604 #define NFSSTATEMUTEXPTR (&nfs_state_mutex) 605 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 606 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 607 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 608 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 609 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 610 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 611 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 612 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 613 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 614 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 615 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 616 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 617 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 618 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 619 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 620 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 621 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 622 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 623 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 624 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 625 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 626 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 627 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 628 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 629 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 630 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 631 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 632 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 633 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 634 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 635 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 636 #define NFSPROCLISTLOCK() sx_slock(&allproc_lock) 637 #define NFSPROCLISTUNLOCK() sx_sunlock(&allproc_lock) 638 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 639 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 640 #define NFSLOCKDS(d) mtx_lock(&((d)->nfsclds_mtx)) 641 #define NFSUNLOCKDS(d) mtx_unlock(&((d)->nfsclds_mtx)) 642 643 /* 644 * Use these macros to initialize/free a mutex. 645 */ 646 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 647 #define NFSFREEMUTEX(m) mtx_destroy((m)) 648 649 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 650 651 /* 652 * And weird vm stuff in the nfs server. 653 */ 654 #define PDIRUNLOCK 0x0 655 #define MAX_COMMIT_COUNT (1024 * 1024) 656 657 /* 658 * Define these to handle the type of va_rdev. 659 */ 660 #define NFSMAKEDEV(m, n) makedev((m), (n)) 661 #define NFSMAJOR(d) major(d) 662 #define NFSMINOR(d) minor(d) 663 664 /* 665 * Define this to be the macro that returns the minimum size required 666 * for a directory entry. 667 */ 668 #define DIRENT_SIZE(dp) GENERIC_DIRSIZ(dp) 669 670 /* 671 * The vnode tag for nfsv4root. 672 */ 673 #define VT_NFSV4ROOT "nfsv4root" 674 675 /* 676 * Define whatever it takes to do a vn_rdwr(). 677 */ 678 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 679 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p)) 680 681 /* 682 * Macros for handling memory for different BSDen. 683 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 684 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 685 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 686 * NFSBZERO(cp, len) - set len bytes to 0x0 687 */ 688 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 689 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 690 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 691 #define NFSBZERO(s, l) bzero((s), (l)) 692 693 /* 694 * Some queue.h files don't have these dfined in them. 695 */ 696 #define LIST_END(head) NULL 697 #define SLIST_END(head) NULL 698 #define TAILQ_END(head) NULL 699 700 /* 701 * This must be defined to be a global variable that increments once 702 * per second, but never stops or goes backwards, even when a "date" 703 * command changes the TOD clock. It is used for delta times for 704 * leases, etc. 705 */ 706 #define NFSD_MONOSEC time_uptime 707 708 /* 709 * Declare the malloc types. 710 */ 711 MALLOC_DECLARE(M_NEWNFSRVCACHE); 712 MALLOC_DECLARE(M_NEWNFSDCLIENT); 713 MALLOC_DECLARE(M_NEWNFSDSTATE); 714 MALLOC_DECLARE(M_NEWNFSDLOCK); 715 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 716 MALLOC_DECLARE(M_NEWNFSSTRING); 717 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 718 MALLOC_DECLARE(M_NEWNFSDREQ); 719 MALLOC_DECLARE(M_NEWNFSFH); 720 MALLOC_DECLARE(M_NEWNFSCLOWNER); 721 MALLOC_DECLARE(M_NEWNFSCLOPEN); 722 MALLOC_DECLARE(M_NEWNFSCLDELEG); 723 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 724 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 725 MALLOC_DECLARE(M_NEWNFSCLLOCK); 726 MALLOC_DECLARE(M_NEWNFSDIROFF); 727 MALLOC_DECLARE(M_NEWNFSV4NODE); 728 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 729 MALLOC_DECLARE(M_NEWNFSMNT); 730 MALLOC_DECLARE(M_NEWNFSDROLLBACK); 731 MALLOC_DECLARE(M_NEWNFSLAYOUT); 732 MALLOC_DECLARE(M_NEWNFSFLAYOUT); 733 MALLOC_DECLARE(M_NEWNFSDEVINFO); 734 MALLOC_DECLARE(M_NEWNFSSOCKREQ); 735 MALLOC_DECLARE(M_NEWNFSCLDS); 736 MALLOC_DECLARE(M_NEWNFSLAYRECALL); 737 #define M_NFSRVCACHE M_NEWNFSRVCACHE 738 #define M_NFSDCLIENT M_NEWNFSDCLIENT 739 #define M_NFSDSTATE M_NEWNFSDSTATE 740 #define M_NFSDLOCK M_NEWNFSDLOCK 741 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 742 #define M_NFSSTRING M_NEWNFSSTRING 743 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 744 #define M_NFSDREQ M_NEWNFSDREQ 745 #define M_NFSFH M_NEWNFSFH 746 #define M_NFSCLOWNER M_NEWNFSCLOWNER 747 #define M_NFSCLOPEN M_NEWNFSCLOPEN 748 #define M_NFSCLDELEG M_NEWNFSCLDELEG 749 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 750 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 751 #define M_NFSCLLOCK M_NEWNFSCLLOCK 752 #define M_NFSDIROFF M_NEWNFSDIROFF 753 #define M_NFSV4NODE M_NEWNFSV4NODE 754 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 755 #define M_NFSDROLLBACK M_NEWNFSDROLLBACK 756 #define M_NFSLAYOUT M_NEWNFSLAYOUT 757 #define M_NFSFLAYOUT M_NEWNFSFLAYOUT 758 #define M_NFSDEVINFO M_NEWNFSDEVINFO 759 #define M_NFSSOCKREQ M_NEWNFSSOCKREQ 760 #define M_NFSCLDS M_NEWNFSCLDS 761 #define M_NFSLAYRECALL M_NEWNFSLAYRECALL 762 763 #define NFSINT_SIGMASK(set) \ 764 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 765 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 766 SIGISMEMBER(set, SIGQUIT)) 767 768 /* 769 * Convert a quota block count to byte count. 770 */ 771 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 772 773 /* 774 * Define this as the largest file size supported. (It should probably 775 * be available via a VFS_xxx Op, but it isn't. 776 */ 777 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 778 779 /* 780 * Set this macro to index() or strchr(), whichever is supported. 781 */ 782 #define STRCHR(s, c) strchr((s), (c)) 783 784 /* 785 * Set the n_time in the client write rpc, as required. 786 */ 787 #define NFSWRITERPC_SETTIME(w, n, v4) \ 788 do { \ 789 if (w) { \ 790 (n)->n_mtime = (n)->n_vattr.na_vattr.va_mtime; \ 791 if (v4) \ 792 (n)->n_change = (n)->n_vattr.na_vattr.va_filerev; \ 793 } \ 794 } while (0) 795 796 /* 797 * Fake value, just to make the client work. 798 */ 799 #define NFS_LATTR_NOSHRINK 1 800 801 /* 802 * Prototypes for functions where the arguments vary for different ports. 803 */ 804 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *, 805 int, int); 806 int newnfs_realign(struct mbuf **, int); 807 808 /* 809 * If the port runs on an SMP box that can enforce Atomic ops with low 810 * overheads, define these as atomic increments/decrements. If not, 811 * don't worry about it, since these are used for stats that can be 812 * "out by one" without disastrous consequences. 813 */ 814 #define NFSINCRGLOBAL(a) ((a)++) 815 816 /* 817 * Assorted funky stuff to make things work under Darwin8. 818 */ 819 /* 820 * These macros checks for a field in vattr being set. 821 */ 822 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 823 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 824 825 /* 826 * Manipulate mount flags. 827 */ 828 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 829 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 830 #define NFSSTA_NOLAYOUTCOMMIT 0x04000000 /* Don't do LayoutCommit */ 831 #define NFSSTA_SESSPERSIST 0x08000000 /* Has a persistent session */ 832 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 833 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 834 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 835 #define NFSSTA_PNFS 0x80000000 /* pNFS is enabled */ 836 837 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 838 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 839 #define NFSHASNFSV4N(n) ((n)->nm_minorvers > 0) 840 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 841 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 842 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 843 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 844 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 845 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 846 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 847 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 848 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 849 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 850 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 851 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 852 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 853 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 854 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 855 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 856 #define NFSHASPNFSOPT(n) ((n)->nm_flag & NFSMNT_PNFS) 857 #define NFSHASNOLAYOUTCOMMIT(n) ((n)->nm_state & NFSSTA_NOLAYOUTCOMMIT) 858 #define NFSHASSESSPERSIST(n) ((n)->nm_state & NFSSTA_SESSPERSIST) 859 #define NFSHASPNFS(n) ((n)->nm_state & NFSSTA_PNFS) 860 861 /* 862 * Gets the stats field out of the mount structure. 863 */ 864 #define vfs_statfs(m) (&((m)->mnt_stat)) 865 866 /* 867 * Set boottime. 868 */ 869 #define NFSSETBOOTTIME(b) ((b) = boottime) 870 871 /* 872 * The size of directory blocks in the buffer cache. 873 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 874 */ 875 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 876 877 /* 878 * Define these macros to access mnt_flag fields. 879 */ 880 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 881 #endif /* _KERNEL */ 882 883 /* 884 * Define a structure similar to ufs_args for use in exporting the V4 root. 885 */ 886 struct nfsex_args { 887 char *fspec; 888 struct export_args export; 889 }; 890 891 /* 892 * These export flags should be defined, but there are no bits left. 893 * Maybe a separate mnt_exflag field could be added or the mnt_flag 894 * field increased to 64 bits? 895 */ 896 #ifndef MNT_EXSTRICTACCESS 897 #define MNT_EXSTRICTACCESS 0x0 898 #endif 899 #ifndef MNT_EXV4ONLY 900 #define MNT_EXV4ONLY 0x0 901 #endif 902 903 #ifdef _KERNEL 904 /* 905 * Define this to invalidate the attribute cache for the nfs node. 906 */ 907 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 908 909 /* Used for FreeBSD only */ 910 void nfsd_mntinit(void); 911 912 /* 913 * Define these for vnode lock/unlock ops. 914 * 915 * These are good abstractions to macro out, so that they can be added to 916 * later, for debugging or stats, etc. 917 */ 918 #define NFSVOPLOCK(v, f) vn_lock((v), (f)) 919 #define NFSVOPUNLOCK(v, f) VOP_UNLOCK((v), (f)) 920 #define NFSVOPISLOCKED(v) VOP_ISLOCKED((v)) 921 922 /* 923 * Define ncl_hash(). 924 */ 925 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 926 927 int newnfs_iosize(struct nfsmount *); 928 929 #ifdef NFS_DEBUG 930 931 extern int nfs_debug; 932 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 933 #define NFS_DEBUG_WG 2 /* server write gathering */ 934 #define NFS_DEBUG_RC 4 /* server request caching */ 935 936 #define NFS_DPF(cat, args) \ 937 do { \ 938 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 939 } while (0) 940 941 #else 942 943 #define NFS_DPF(cat, args) 944 945 #endif 946 947 int newnfs_vncmpf(struct vnode *, void *); 948 949 #ifndef NFS_MINDIRATTRTIMO 950 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 951 #endif 952 #ifndef NFS_MAXDIRATTRTIMO 953 #define NFS_MAXDIRATTRTIMO 60 954 #endif 955 956 /* 957 * Nfs outstanding request list element 958 */ 959 struct nfsreq { 960 TAILQ_ENTRY(nfsreq) r_chain; 961 u_int32_t r_flags; /* flags on request, see below */ 962 struct nfsmount *r_nmp; /* Client mnt ptr */ 963 struct mtx r_mtx; /* Mutex lock for this structure */ 964 }; 965 966 #ifndef NFS_MAXBSIZE 967 #define NFS_MAXBSIZE MAXBSIZE 968 #endif 969 970 /* 971 * This macro checks to see if issuing of delegations is allowed for this 972 * vnode. 973 */ 974 #ifdef VV_DISABLEDELEG 975 #define NFSVNO_DELEGOK(v) \ 976 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 977 #else 978 #define NFSVNO_DELEGOK(v) (1) 979 #endif 980 981 #endif /* _KERNEL */ 982 983 #endif /* _NFS_NFSPORT_H */ 984