nfsport.h revision 192121
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: head/sys/fs/nfs/nfsport.h 192121 2009-05-14 21:39:08Z rmacklem $ 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 */ 207struct nfs_vattr { 208 int junk; 209}; 210 211struct 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 */ 243struct 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 */ 273struct 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 */ 287struct 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 */ 312void 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 415int 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 */ 484MALLOC_DECLARE(M_NEWNFSRVCACHE); 485MALLOC_DECLARE(M_NEWNFSDCLIENT); 486MALLOC_DECLARE(M_NEWNFSDSTATE); 487MALLOC_DECLARE(M_NEWNFSDLOCK); 488MALLOC_DECLARE(M_NEWNFSDLOCKFILE); 489MALLOC_DECLARE(M_NEWNFSSTRING); 490MALLOC_DECLARE(M_NEWNFSUSERGROUP); 491MALLOC_DECLARE(M_NEWNFSDREQ); 492MALLOC_DECLARE(M_NEWNFSFH); 493MALLOC_DECLARE(M_NEWNFSCLOWNER); 494MALLOC_DECLARE(M_NEWNFSCLOPEN); 495MALLOC_DECLARE(M_NEWNFSCLDELEG); 496MALLOC_DECLARE(M_NEWNFSCLCLIENT); 497MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER); 498MALLOC_DECLARE(M_NEWNFSCLLOCK); 499MALLOC_DECLARE(M_NEWNFSDIROFF); 500MALLOC_DECLARE(M_NEWNFSV4NODE); 501MALLOC_DECLARE(M_NEWNFSDIRECTIO); 502MALLOC_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 */ 563int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *, 564 int, int); 565void 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 */ 642struct nfsex_args { 643 char *fspec; 644 struct export_args export; 645}; 646 647/* 648 * These export flags should be defined, but there are no bits left. 649 * Maybe a separate mnt_exflag field could be added or the mnt_flag 650 * field increased to 64 bits? 651 */ 652#ifndef MNT_EXSTRICTACCESS 653#define MNT_EXSTRICTACCESS 0x0 654#endif 655#ifndef MNT_EXV4ONLY 656#define MNT_EXV4ONLY 0x0 657#endif 658 659#ifdef _KERNEL 660/* 661 * Define this to invalidate the attribute cache for the nfs node. 662 */ 663#define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0) 664 665/* Used for FreeBSD only */ 666void nfsd_mntinit(void); 667 668/* 669 * Define these for vnode lock/unlock ops. 670 */ 671#define NFSVOPLOCK(v, f, p) vn_lock((v), (f)) 672#define NFSVOPUNLOCK(v, f, p) VOP_UNLOCK((v), (f)) 673#define NFSVOPISLOCKED(v, p) VOP_ISLOCKED((v)) 674 675/* 676 * Define ncl_hash(). 677 */ 678#define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT)) 679 680int newnfs_iosize(struct nfsmount *); 681 682#ifdef NFS_DEBUG 683 684extern int nfs_debug; 685#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 686#define NFS_DEBUG_WG 2 /* server write gathering */ 687#define NFS_DEBUG_RC 4 /* server request caching */ 688 689#define NFS_DPF(cat, args) \ 690 do { \ 691 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 692 } while (0) 693 694#else 695 696#define NFS_DPF(cat, args) 697 698#endif 699 700int newnfs_vncmpf(struct vnode *, void *); 701 702#ifndef NFS_MINDIRATTRTIMO 703#define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */ 704#endif 705#ifndef NFS_MAXDIRATTRTIMO 706#define NFS_MAXDIRATTRTIMO 60 707#endif 708 709/* 710 * Nfs outstanding request list element 711 */ 712struct nfsreq { 713 TAILQ_ENTRY(nfsreq) r_chain; 714 u_int32_t r_flags; /* flags on request, see below */ 715 struct nfsmount *r_nmp; /* Client mnt ptr */ 716 struct mtx r_mtx; /* Mutex lock for this structure */ 717}; 718 719#ifndef NFS_MAXBSIZE 720#define NFS_MAXBSIZE MAXBSIZE 721#endif 722 723/* 724 * This macro checks to see if issuing of delegations is allowed for this 725 * vnode. 726 */ 727#ifdef VV_DISABLEDELEG 728#define NFSVNO_DELEGOK(v) \ 729 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) 730#else 731#define NFSVNO_DELEGOK(v) (1) 732#endif 733 734#endif /* _KERNEL */ 735 736#endif /* _NFSPORT_NFS_H */ 737