1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #ifndef _NFS_NFSPORT_H_ 36 #define _NFSPORT_NFS_H_ 37 38 /* 39 * In general, I'm not fond of #includes in .h files, but this seems 40 * to be the cleanest way to handle #include files for the ports. 41 */ 42 #ifdef _KERNEL 43 #include <sys/unistd.h> 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/conf.h> 47 #include <sys/dirent.h> 48 #include <sys/domain.h> 49 #include <sys/fcntl.h> 50 #include <sys/file.h> 51 #include <sys/filedesc.h> 52 #include <sys/kernel.h> 53 #include <sys/lockf.h> 54 #include <sys/malloc.h> 55 #include <sys/mbuf.h> 56 #include <sys/mount.h> 57 #include <sys/namei.h> 58 #include <sys/proc.h> 59 #include <sys/protosw.h> 60 #include <sys/reboot.h> 61 #include <sys/resourcevar.h> 62 #include <sys/signalvar.h> 63 #include <sys/socket.h> 64 #include <sys/socketvar.h> 65 #include <sys/stat.h> 66 #include <sys/syslog.h> 67 #include <sys/sysproto.h> 68 #include <sys/time.h> 69 #include <sys/uio.h> 70 #include <sys/vnode.h> 71 #include <sys/bio.h> 72 #include <sys/buf.h> 73 #include <sys/acl.h> 74 #include <sys/module.h> 75 #include <sys/sysent.h> 76 #include <sys/syscall.h> 77 #include <sys/priv.h> 78 #include <sys/kthread.h> 79 #include <sys/syscallsubr.h> 80 #include <fs/fifofs/fifo.h> 81 #include <net/if.h> 82 #include <net/radix.h> 83 #include <net/route.h> 84 #include <net/if_dl.h> 85 #include <netinet/in.h> 86 #include <netinet/in_pcb.h> 87 #include <netinet/in_systm.h> 88 #include <netinet/in_var.h> 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #include <netinet/tcp.h> 92 #include <netinet/tcp_fsm.h> 93 #include <netinet/tcp_seq.h> 94 #include <netinet/tcp_timer.h> 95 #include <netinet/tcp_var.h> 96 #include <netinet/vinet.h> 97 #include <machine/in_cksum.h> 98 #include <crypto/des/des.h> 99 #include <sys/md5.h> 100 #include <rpc/rpc.h> 101 #include <rpc/rpcclnt.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 #ifdef NFS4_ACL_EXTATTR_NAME 130 #define NFSACL_T struct acl 131 #else 132 #define NFSACL_T void 133 #endif 134 135 /* 136 * These should be defined as the types used for the corresponding VOP's 137 * argument type. 138 */ 139 #define NFS_ACCESS_ARGS struct vop_access_args 140 #define NFS_OPEN_ARGS struct vop_open_args 141 #define NFS_GETATTR_ARGS struct vop_getattr_args 142 #define NFS_LOOKUP_ARGS struct vop_lookup_args 143 #define NFS_READDIR_ARGS struct vop_readdir_args 144 145 /* 146 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. 147 */ 148 #define NFSMGET(m) do { \ 149 MGET((m), M_TRYWAIT, MT_DATA); \ 150 while ((m) == NULL ) { \ 151 (void) nfs_catnap(PZERO, "nfsmget"); \ 152 MGET((m), M_TRYWAIT, MT_DATA); \ 153 } \ 154 } while (0) 155 #define NFSMGETHDR(m) do { \ 156 MGETHDR((m), M_TRYWAIT, MT_DATA); \ 157 while ((m) == NULL ) { \ 158 (void) nfs_catnap(PZERO, "nfsmget"); \ 159 MGETHDR((m), M_TRYWAIT, MT_DATA); \ 160 } \ 161 } while (0) 162 #define NFSMCLGET(m, w) do { \ 163 MGET((m), M_TRYWAIT, MT_DATA); \ 164 while ((m) == NULL ) { \ 165 (void) nfs_catnap(PZERO, "nfsmget"); \ 166 MGET((m), M_TRYWAIT, MT_DATA); \ 167 } \ 168 MCLGET((m), (w)); \ 169 } while (0) 170 #define NFSMCLGETHDR(m, w) do { \ 171 MGETHDR((m), M_TRYWAIT, MT_DATA); \ 172 while ((m) == NULL ) { \ 173 (void) nfs_catnap(PZERO, "nfsmget"); \ 174 MGETHDR((m), M_TRYWAIT, MT_DATA); \ 175 } \ 176 } while (0) 177 #define NFSMTOD mtod 178 179 /* 180 * Client side constant for size of a lockowner name. 181 */ 182 #define NFSV4CL_LOCKNAMELEN 12 183 184 /* 185 * Type for a mutex lock. 186 */ 187 #define NFSMUTEX_T struct mtx 188 189 #include <fs/nfs/nfskpiport.h> 190 #include <fs/nfs/nfsdport.h> 191 #include <fs/nfs/rpcv2.h> 192 #include <fs/nfs/nfsproto.h> 193 #include <fs/nfs/nfs.h> 194 #include <fs/nfs/nfs_var.h> 195 #include <fs/nfs/nfsm_subs.h> 196 #include <fs/nfs/nfsrvcache.h> 197 #include <fs/nfs/nfsrvstate.h> 198 #include <fs/nfs/xdr_subs.h> 199 #include <fs/nfs/nfscl.h> 200 #include <fs/nfs/nfsclstate.h> 201 #include <fs/nfsclient/nfsargs.h> 202 #include <fs/nfsclient/nfsmount.h> 203 204 /* 205 * Just to keep nfs_var.h happy. 206 */ 207 struct nfs_vattr { 208 int junk; 209 }; 210 211 struct nfsvattr { 212 struct vattr na_vattr; 213 nfsattrbit_t na_suppattr; 214 u_int32_t na_mntonfileno; 215 u_int64_t na_filesid[2]; 216 }; 217 218 #define na_type na_vattr.va_type 219 #define na_mode na_vattr.va_mode 220 #define na_nlink na_vattr.va_nlink 221 #define na_uid na_vattr.va_uid 222 #define na_gid na_vattr.va_gid 223 #define na_fsid na_vattr.va_fsid 224 #define na_fileid na_vattr.va_fileid 225 #define na_size na_vattr.va_size 226 #define na_blocksize na_vattr.va_blocksize 227 #define na_atime na_vattr.va_atime 228 #define na_mtime na_vattr.va_mtime 229 #define na_ctime na_vattr.va_ctime 230 #define na_gen na_vattr.va_gen 231 #define na_flags na_vattr.va_flags 232 #define na_rdev na_vattr.va_rdev 233 #define na_bytes na_vattr.va_bytes 234 #define na_filerev na_vattr.va_filerev 235 #define na_vaflags na_vattr.va_vaflags 236 237 #include <fs/nfsclient/nfsnode.h> 238 239 /* 240 * This is the header structure used for the lists, etc. (It has the 241 * above record in it. 242 */ 243 struct nfsrv_stablefirst { 244 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ 245 time_t nsf_eograce; /* Time grace period ends */ 246 time_t *nsf_bootvals; /* Previous boottime values */ 247 struct file *nsf_fp; /* File table pointer */ 248 u_char nsf_flags; /* NFSNSF_ flags */ 249 struct nfsf_rec nsf_rec; /* and above first record */ 250 }; 251 #define nsf_lease nsf_rec.lease 252 #define nsf_numboots nsf_rec.numboots 253 254 /* NFSNSF_xxx flags */ 255 #define NFSNSF_UPDATEDONE 0x01 256 #define NFSNSF_GRACEOVER 0x02 257 #define NFSNSF_NEEDLOCK 0x04 258 #define NFSNSF_EXPIREDCLIENT 0x08 259 #define NFSNSF_NOOPENS 0x10 260 #define NFSNSF_OK 0x20 261 262 /* 263 * Maximum number of boot times allowed in record. Although there is 264 * really no need for a fixed upper bound, this serves as a sanity check 265 * for a corrupted file. 266 */ 267 #define NFSNSF_MAXNUMBOOTS 10000 268 269 /* 270 * This structure defines the other records in the file. The 271 * nst_client array is actually the size of the client string name. 272 */ 273 struct nfst_rec { 274 u_int16_t len; 275 u_char flag; 276 u_char client[1]; 277 }; 278 /* and the values for flag */ 279 #define NFSNST_NEWSTATE 0x1 280 #define NFSNST_REVOKE 0x2 281 #define NFSNST_GOTSTATE 0x4 282 283 /* 284 * This structure is linked onto nfsrv_stablefirst for the duration of 285 * reclaim. 286 */ 287 struct nfsrv_stable { 288 LIST_ENTRY(nfsrv_stable) nst_list; 289 struct nfsclient *nst_clp; 290 struct nfst_rec nst_rec; 291 }; 292 #define nst_timestamp nst_rec.timestamp 293 #define nst_len nst_rec.len 294 #define nst_flag nst_rec.flag 295 #define nst_client nst_rec.client 296 297 /* 298 * At some point the server will run out of kernel storage for 299 * state structures. For FreeBSD5.2, this results in a panic 300 * kmem_map is full. It happens at well over 1000000 opens plus 301 * locks on a PIII-800 with 256Mbytes, so that is where I've set 302 * the limit. If your server panics due to too many opens/locks, 303 * decrease the size of NFSRV_V4STATELIMIT. If you find the server 304 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try 305 * increasing it. 306 */ 307 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */ 308 309 /* 310 * The type required differs with BSDen (just the second arg). 311 */ 312 void nfsrvd_rcv(struct socket *, void *, int); 313 314 /* 315 * Macros for handling socket addresses. (Hopefully this makes the code 316 * more portable, since I've noticed some 'BSD don't have sockaddrs in 317 * mbufs any more.) 318 */ 319 #define NFSSOCKADDR(a, t) ((t)(a)) 320 #define NFSSOCKADDRALLOC(a) \ 321 do { \ 322 MALLOC((a), struct sockaddr *, sizeof (struct sockaddr), \ 323 M_SONAME, M_WAITOK); \ 324 NFSBZERO((a), sizeof (struct sockaddr)); \ 325 } while (0) 326 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s)) 327 #define NFSSOCKADDRFREE(a) \ 328 do { \ 329 if (a) \ 330 FREE((caddr_t)(a), M_SONAME); \ 331 } while (0) 332 333 /* 334 * These should be defined as a process or thread structure, as required 335 * for signal handling, etc. 336 */ 337 #define NFSNEWCRED(c) (crdup(c)) 338 #define NFSPROCCRED(p) ((p)->td_ucred) 339 #define NFSFREECRED(c) (crfree(c)) 340 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL) 341 #define NFSPROCP(p) ((p)->td_proc) 342 343 /* 344 * Define these so that cn_hash and its length is ignored. 345 */ 346 #define NFSCNHASHZERO(c) 347 #define NFSCNHASH(c, v) 348 #define NCHNAMLEN 9999999 349 350 /* 351 * Define these to use the time of day clock. 352 */ 353 #define NFSGETTIME(t) (getmicrotime(t)) 354 #define NFSGETNANOTIME(t) (getnanotime(t)) 355 356 /* 357 * These macros are defined to initialize and set the timer routine. 358 */ 359 #define NFS_TIMERINIT \ 360 newnfs_timer(NULL) 361 362 /* 363 * Handle SMP stuff: 364 */ 365 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex 366 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex) 367 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex) 368 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex 369 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex) 370 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex) 371 #define NFSCACHEMUTEX extern struct mtx nfs_cache_mutex 372 #define NFSCACHEMUTEXPTR (&nfs_cache_mutex) 373 #define NFSLOCKCACHE() mtx_lock(&nfs_cache_mutex) 374 #define NFSUNLOCKCACHE() mtx_unlock(&nfs_cache_mutex) 375 #define NFSCACHELOCKREQUIRED() mtx_assert(&nfs_cache_mutex, MA_OWNED) 376 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex 377 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex) 378 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex) 379 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex) 380 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex 381 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex) 382 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex) 383 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED) 384 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex 385 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex) 386 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex) 387 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex) 388 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx 389 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx) 390 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx) 391 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx) 392 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED) 393 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED) 394 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex 395 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex) 396 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex) 397 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex) 398 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx)) 399 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx)) 400 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx)) 401 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx)) 402 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx)) 403 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx)) 404 #define NFSPROCLISTLOCK() sx_slock(&allproc_lock) 405 #define NFSPROCLISTUNLOCK() sx_sunlock(&allproc_lock) 406 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx)) 407 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx)) 408 409 /* 410 * Use these macros to initialize/free a mutex. 411 */ 412 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF) 413 #define NFSFREEMUTEX(m) mtx_destroy((m)) 414 415 int nfsmsleep(void *, void *, int, const char *, struct timespec *); 416 417 /* 418 * And weird vm stuff in the nfs server. 419 */ 420 #define PDIRUNLOCK 0x0 421 #define MAX_COMMIT_COUNT (1024 * 1024) 422 423 /* 424 * These macros are called at the start and end of operations that 425 * might modify the underlying file system. 426 */ 427 #define NFS_STARTWRITE(v, m) vn_start_write((v), (m), V_WAIT) 428 #define NFS_ENDWRITE(m) vn_finished_write(m) 429 430 /* 431 * Define these to handle the type of va_rdev. 432 */ 433 #define NFSMAKEDEV(m, n) makedev((m), (n)) 434 #define NFSMAJOR(d) major(d) 435 #define NFSMINOR(d) minor(d) 436 437 /* 438 * Define this to be the macro that returns the minimum size required 439 * for a directory entry. 440 */ 441 #define DIRENT_SIZE(dp) GENERIC_DIRSIZ(dp) 442 443 /* 444 * The vnode tag for nfsv4root. 445 */ 446 #define VT_NFSV4ROOT "nfsv4root" 447 448 /* 449 * Define whatever it takes to do a vn_rdwr(). 450 */ 451 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \ 452 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (int *)(a), (p)) 453 454 /* 455 * Macros for handling memory for different BSDen. 456 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping 457 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap 458 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same 459 * NFSBZERO(cp, len) - set len bytes to 0x0 460 */ 461 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l)) 462 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l)) 463 #define NFSBCMP(s, d, l) bcmp((s), (d), (l)) 464 #define NFSBZERO(s, l) bzero((s), (l)) 465 466 /* 467 * Some queue.h files don't have these dfined in them. 468 */ 469 #define LIST_END(head) NULL 470 #define SLIST_END(head) NULL 471 #define TAILQ_END(head) NULL 472 473 /* 474 * This must be defined to be a global variable the increments once 475 * per second, but never stops or goes backwards, even when a "date" 476 * command changes the tod clock. It is used for delta times for 477 * leases, etc. 478 */ 479 #define NFSD_MONOSEC time_uptime 480 481 /* 482 * Declare the malloc types. 483 */ 484 MALLOC_DECLARE(M_NEWNFSRVCACHE); 485 MALLOC_DECLARE(M_NEWNFSDCLIENT); 486 MALLOC_DECLARE(M_NEWNFSDSTATE); 487 MALLOC_DECLARE(M_NEWNFSDLOCK); 488 MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 489 MALLOC_DECLARE(M_NEWNFSSTRING); 490 MALLOC_DECLARE(M_NEWNFSUSERGROUP); 491 MALLOC_DECLARE(M_NEWNFSDREQ); 492 MALLOC_DECLARE(M_NEWNFSFH); 493 MALLOC_DECLARE(M_NEWNFSCLOWNER); 494 MALLOC_DECLARE(M_NEWNFSCLOPEN); 495 MALLOC_DECLARE(M_NEWNFSCLDELEG); 496 MALLOC_DECLARE(M_NEWNFSCLCLIENT); 497 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 498 MALLOC_DECLARE(M_NEWNFSCLLOCK); 499 MALLOC_DECLARE(M_NEWNFSDIROFF); 500 MALLOC_DECLARE(M_NEWNFSV4NODE); 501 MALLOC_DECLARE(M_NEWNFSDIRECTIO); 502 MALLOC_DECLARE(M_NEWNFSMNT); 503 #define M_NFSRVCACHE M_NEWNFSRVCACHE 504 #define M_NFSDCLIENT M_NEWNFSDCLIENT 505 #define M_NFSDSTATE M_NEWNFSDSTATE 506 #define M_NFSDLOCK M_NEWNFSDLOCK 507 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE 508 #define M_NFSSTRING M_NEWNFSSTRING 509 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP 510 #define M_NFSDREQ M_NEWNFSDREQ 511 #define M_NFSFH M_NEWNFSFH 512 #define M_NFSCLOWNER M_NEWNFSCLOWNER 513 #define M_NFSCLOPEN M_NEWNFSCLOPEN 514 #define M_NFSCLDELEG M_NEWNFSCLDELEG 515 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT 516 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER 517 #define M_NFSCLLOCK M_NEWNFSCLLOCK 518 #define M_NFSDIROFF M_NEWNFSDIROFF 519 #define M_NFSV4NODE M_NEWNFSV4NODE 520 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO 521 522 #define NFSINT_SIGMASK(set) \ 523 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 524 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 525 SIGISMEMBER(set, SIGQUIT)) 526 527 /* 528 * Convert a quota block count to byte count. 529 */ 530 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b) 531 532 /* 533 * Define this as the largest file size supported. (It should probably 534 * be available via a VFS_xxx Op, but it isn't. 535 */ 536 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000) 537 538 /* 539 * Set this macro to index() or strchr(), whichever is supported. 540 */ 541 #define STRCHR(s, c) index((s), (c)) 542 543 /* 544 * Set the n_time in the client write rpc, as required. 545 */ 546 #define NFSWRITERPC_SETTIME(w, n, v4) \ 547 do { \ 548 if (w) { \ 549 (n)->n_mtime = (n)->n_vattr.na_vattr.va_mtime; \ 550 if (v4) \ 551 (n)->n_change = (n)->n_vattr.na_vattr.va_filerev; \ 552 } \ 553 } while (0) 554 555 /* 556 * Fake value, just to make the client work. 557 */ 558 #define NFS_LATTR_NOSHRINK 1 559 560 /* 561 * Prototypes for functions where the arguments vary for different ports. 562 */ 563 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *, 564 int, int); 565 void newnfs_realign(struct mbuf **); 566 567 /* 568 * If the port runs on an SMP box that can enforce Atomic ops with low 569 * overheads, define these as atomic increments/decrements. If not, 570 * don't worry about it, since these are used for stats that can be 571 * "out by one" without disastrous consequences. 572 */ 573 #define NFSINCRGLOBAL(a) ((a)++) 574 575 /* 576 * Assorted funky stuff to make things work under Darwin8. 577 */ 578 /* 579 * These macros checks for a field in vattr being set. 580 */ 581 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL) 582 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL) 583 584 /* 585 * Manipulate mount flags. 586 */ 587 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */ 588 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */ 589 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */ 590 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */ 591 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */ 592 593 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3) 594 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4) 595 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) 596 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO) 597 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID) 598 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530) 599 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF) 600 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT) 601 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT) 602 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT)) 603 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR) 604 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD) 605 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB) 606 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME) 607 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY) 608 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY) 609 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF) 610 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID) 611 #ifdef NFS4_ACL_EXTATTR_NAME 612 #define NFSHASNFS4ACL(m) ((m)->mnt_flag & MNT_NFS4ACLS) 613 #else 614 #define NFSHASNFS4ACL(m) 0 615 #endif 616 617 /* 618 * Gets the stats field out of the mount structure. 619 */ 620 #define vfs_statfs(m) (&((m)->mnt_stat)) 621 622 /* 623 * Set boottime. 624 */ 625 #define NFSSETBOOTTIME(b) ((b) = boottime) 626 627 /* 628 * The size of directory blocks in the buffer cache. 629 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!! 630 */ 631 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */ 632 633 /* 634 * Define these macros to access mnt_flag fields. 635 */ 636 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY) 637 #endif /* _KERNEL */ 638 639 /* 640 * Define a structure similar to ufs_args for use in exporting the V4 root. 641 */ 642 struct nfsex_args { 643 char *fspec; 644 struct export_args export; 645 }; 646 647 /* 648 * Define these here, so they don't have to be in mount.h, for now. 649 */ 650 #define MNT_EXGSSKRB5 MNT_EXKERB 651 652 /* 653 * These export flags should be defined, but there are no bits left. 654 * Maybe a separate mnt_exflag field could be added or the mnt_flag 655 * field increased to 64 bits? 656 */ 657 #ifndef MNT_EXSTRICTACCESS 658 #define MNT_EXSTRICTACCESS 0x0 659 #endif 660 #ifndef MNT_EXV4ONLY 661 #define MNT_EXV4ONLY 0x0 662 #endif 663 664 #ifdef _KERNEL 665 /* 666 * Define this to invalidate the attribute cache for the nfs node. 667 */ 668 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 669 670 /* Used for FreeBSD only */ 671 void nfsd_mntinit(void); 672 673 /* 674 * Define these for vnode lock/unlock ops. 675 */ 676 #define NFSVOPLOCK(v, f, p) vn_lock((v), (f)) 677 #define NFSVOPUNLOCK(v, f, p) VOP_UNLOCK((v), (f)) 678 #define NFSVOPISLOCKED(v, p) VOP_ISLOCKED((v)) 679 680 /* 681 * Define ncl_hash(). 682 */ 683 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 684 685 int newnfs_iosize(struct nfsmount *); 686 687 #ifdef NFS_DEBUG 688 689 extern int nfs_debug; 690 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 691 #define NFS_DEBUG_WG 2 /* server write gathering */ 692 #define NFS_DEBUG_RC 4 /* server request caching */ 693 694 #define NFS_DPF(cat, args) \ 695 do { \ 696 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 697 } while (0) 698 699 #else 700 701 #define NFS_DPF(cat, args) 702 703 #endif 704 705 int newnfs_vncmpf(struct vnode *, void *); 706 707 #ifndef NFS_MINDIRATTRTIMO 708 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 709 #endif 710 #ifndef NFS_MAXDIRATTRTIMO 711 #define NFS_MAXDIRATTRTIMO 60 712 #endif 713 714 /* 715 * Nfs outstanding request list element 716 */ 717 struct nfsreq { 718 TAILQ_ENTRY(nfsreq) r_chain; 719 u_int32_t r_flags; /* flags on request, see below */ 720 struct nfsmount *r_nmp; /* Client mnt ptr */ 721 struct mtx r_mtx; /* Mutex lock for this structure */ 722 }; 723 724 #ifndef NFS_MAXBSIZE 725 #define NFS_MAXBSIZE MAXBSIZE 726 #endif 727 728 /* 729 * This macro checks to see if issuing of delegations is allowed for this 730 * vnode. 731 */ 732 #ifdef VV_DISABLEDELEG 733 #define NFSVNO_DELEGOK(v) \ 734 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 735 #else 736 #define NFSVNO_DELEGOK(v) (1) 737 #endif 738 739 #endif /* _KERNEL */ 740 741 #endif /* _NFSPORT_NFS_H */ 742