nfs.h revision 1.1.1.1
1 /* 2 * Copyright (c) 1989, 1993, 1995 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95 37 */ 38 39 #ifndef _NFS_NFS_H_ 40 #define _NFS_NFS_H_ 41 42 /* 43 * Tunable constants for nfs 44 */ 45 46 #define NFS_MAXIOVEC 34 47 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 48 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 49 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 50 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 51 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 52 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 53 #define NFS_MAXREXMIT 100 /* Stop counting after this many */ 54 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 55 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 56 #define NFS_MAXGRPS 16 /* Max. size of groups list */ 57 #ifndef NFS_MINATTRTIMO 58 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 59 #endif 60 #ifndef NFS_MAXATTRTIMO 61 #define NFS_MAXATTRTIMO 60 62 #endif 63 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 64 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 65 #define NFS_READDIRSIZE 8192 /* Def. readdir size */ 66 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 67 #define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 68 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 69 #define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */ 70 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 71 #ifndef NFS_GATHERDELAY 72 #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 73 #endif 74 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 75 76 /* 77 * Oddballs 78 */ 79 #define NMOD(a) ((a) % nfs_asyncdaemons) 80 #define NFS_CMPFH(n, f, s) \ 81 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 82 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 83 #define NFS_SRVMAXDATA(n) \ 84 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 85 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 86 87 /* 88 * XXX 89 * The B_INVAFTERWRITE flag should be set to whatever is required by the 90 * buffer cache code to say "Invalidate the block after it is written back". 91 */ 92 #define B_INVAFTERWRITE B_INVAL 93 94 /* 95 * The IO_METASYNC flag should be implemented for local file systems. 96 * (Until then, it is nothin at all.) 97 */ 98 #ifndef IO_METASYNC 99 #define IO_METASYNC 0 100 #endif 101 102 /* 103 * Set the attribute timeout based on how recently the file has been modified. 104 */ 105 #define NFS_ATTRTIMEO(np) \ 106 ((((np)->n_flag & NMODIFIED) || \ 107 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 108 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 109 (time.tv_sec - (np)->n_mtime) / 10)) 110 111 /* 112 * Expected allocation sizes for major data structures. If the actual size 113 * of the structure exceeds these sizes, then malloc() will be allocating 114 * almost twice the memory required. This is used in nfs_init() to warn 115 * the sysadmin that the size of a structure should be reduced. 116 * (These sizes are always a power of 2. If the kernel malloc() changes 117 * to one that does not allocate space in powers of 2 size, then this all 118 * becomes bunk!) 119 */ 120 #define NFS_NODEALLOC 256 121 #define NFS_MNTALLOC 512 122 #define NFS_SVCALLOC 256 123 #define NFS_UIDALLOC 128 124 125 /* 126 * Arguments to mount NFS 127 */ 128 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 129 struct nfs_args { 130 int version; /* args structure version number */ 131 struct sockaddr *addr; /* file server address */ 132 int addrlen; /* length of address */ 133 int sotype; /* Socket type */ 134 int proto; /* and Protocol */ 135 u_char *fh; /* File handle to be mounted */ 136 int fhsize; /* Size, in bytes, of fh */ 137 int flags; /* flags */ 138 int wsize; /* write size in bytes */ 139 int rsize; /* read size in bytes */ 140 int readdirsize; /* readdir size in bytes */ 141 int timeo; /* initial timeout in .1 secs */ 142 int retrans; /* times to retry send */ 143 int maxgrouplist; /* Max. size of group list */ 144 int readahead; /* # of blocks to readahead */ 145 int leaseterm; /* Term (sec) of lease */ 146 int deadthresh; /* Retrans threshold */ 147 char *hostname; /* server's name */ 148 }; 149 150 /* 151 * NFS mount option flags 152 */ 153 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 154 #define NFSMNT_WSIZE 0x00000002 /* set write size */ 155 #define NFSMNT_RSIZE 0x00000004 /* set read size */ 156 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 157 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 158 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 159 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 160 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 161 #define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 162 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 163 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 164 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 165 #define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 166 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 167 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 168 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 169 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 170 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 171 #define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ 172 #define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 173 #define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 174 #define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 175 #define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ 176 #define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ 177 #define NFSMNT_DISMNT 0x00800000 /* Dismounted */ 178 #define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ 179 #define NFSMNT_WANTSND 0x02000000 /* Want above */ 180 #define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ 181 #define NFSMNT_WANTRCV 0x08000000 /* Want above */ 182 #define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ 183 #define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ 184 #define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ 185 #define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ 186 187 /* 188 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 189 * should ever try and use it. 190 */ 191 struct nfsd_args { 192 int sock; /* Socket to serve */ 193 caddr_t name; /* Client addr for connection based sockets */ 194 int namelen; /* Length of name */ 195 }; 196 197 struct nfsd_srvargs { 198 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 199 uid_t nsd_uid; /* Effective uid mapped to cred */ 200 u_long nsd_haddr; /* Ip address of client */ 201 struct ucred nsd_cr; /* Cred. uid maps to */ 202 int nsd_authlen; /* Length of auth string (ret) */ 203 u_char *nsd_authstr; /* Auth string (ret) */ 204 int nsd_verflen; /* and the verfier */ 205 u_char *nsd_verfstr; 206 struct timeval nsd_timestamp; /* timestamp from verifier */ 207 u_long nsd_ttl; /* credential ttl (sec) */ 208 NFSKERBKEY_T nsd_key; /* Session key */ 209 }; 210 211 struct nfsd_cargs { 212 char *ncd_dirp; /* Mount dir path */ 213 uid_t ncd_authuid; /* Effective uid */ 214 int ncd_authtype; /* Type of authenticator */ 215 int ncd_authlen; /* Length of authenticator string */ 216 u_char *ncd_authstr; /* Authenticator string */ 217 int ncd_verflen; /* and the verifier */ 218 u_char *ncd_verfstr; 219 NFSKERBKEY_T ncd_key; /* Session key */ 220 }; 221 222 /* 223 * Stats structure 224 */ 225 struct nfsstats { 226 int attrcache_hits; 227 int attrcache_misses; 228 int lookupcache_hits; 229 int lookupcache_misses; 230 int direofcache_hits; 231 int direofcache_misses; 232 int biocache_reads; 233 int read_bios; 234 int read_physios; 235 int biocache_writes; 236 int write_bios; 237 int write_physios; 238 int biocache_readlinks; 239 int readlink_bios; 240 int biocache_readdirs; 241 int readdir_bios; 242 int rpccnt[NFS_NPROCS]; 243 int rpcretries; 244 int srvrpccnt[NFS_NPROCS]; 245 int srvrpc_errs; 246 int srv_errs; 247 int rpcrequests; 248 int rpctimeouts; 249 int rpcunexpected; 250 int rpcinvalid; 251 int srvcache_inproghits; 252 int srvcache_idemdonehits; 253 int srvcache_nonidemdonehits; 254 int srvcache_misses; 255 int srvnqnfs_leases; 256 int srvnqnfs_maxleases; 257 int srvnqnfs_getleases; 258 int srvvop_writes; 259 }; 260 261 /* 262 * Flags for nfssvc() system call. 263 */ 264 #define NFSSVC_BIOD 0x002 265 #define NFSSVC_NFSD 0x004 266 #define NFSSVC_ADDSOCK 0x008 267 #define NFSSVC_AUTHIN 0x010 268 #define NFSSVC_GOTAUTH 0x040 269 #define NFSSVC_AUTHINFAIL 0x080 270 #define NFSSVC_MNTD 0x100 271 272 /* 273 * fs.nfs sysctl(3) identifiers 274 */ 275 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 276 277 #define FS_NFS_NAMES { \ 278 { 0, 0 }, \ 279 { "nfsstats", CTLTYPE_STRUCT }, \ 280 } 281 282 /* 283 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 284 * What should be in this set is open to debate, but I believe that since 285 * I/O system calls on ufs are never interrupted by signals the set should 286 * be minimal. My reasoning is that many current programs that use signals 287 * such as SIGALRM will not expect file I/O system calls to be interrupted 288 * by them and break. 289 */ 290 #ifdef KERNEL 291 292 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 293 294 #define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 295 sigmask(SIGHUP)|sigmask(SIGQUIT)) 296 297 /* 298 * Socket errors ignored for connectionless sockets?? 299 * For now, ignore them all 300 */ 301 #define NFSIGNORE_SOERROR(s, e) \ 302 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 303 ((s) & PR_CONNREQUIRED) == 0) 304 305 /* 306 * Nfs outstanding request list element 307 */ 308 struct nfsreq { 309 TAILQ_ENTRY(nfsreq) r_chain; 310 struct mbuf *r_mreq; 311 struct mbuf *r_mrep; 312 struct mbuf *r_md; 313 caddr_t r_dpos; 314 struct nfsmount *r_nmp; 315 struct vnode *r_vp; 316 u_long r_xid; 317 int r_flags; /* flags on request, see below */ 318 int r_retry; /* max retransmission count */ 319 int r_rexmit; /* current retrans count */ 320 int r_timer; /* tick counter on reply */ 321 int r_procnum; /* NFS procedure number */ 322 int r_rtt; /* RTT for rpc */ 323 struct proc *r_procp; /* Proc that did I/O system call */ 324 }; 325 326 /* 327 * Queue head for nfsreq's 328 */ 329 TAILQ_HEAD(, nfsreq) nfs_reqq; 330 331 /* Flag values for r_flags */ 332 #define R_TIMING 0x01 /* timing request (in mntp) */ 333 #define R_SENT 0x02 /* request has been sent */ 334 #define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 335 #define R_INTR 0x08 /* intr mnt, signal pending */ 336 #define R_SOCKERR 0x10 /* Fatal error on socket */ 337 #define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 338 #define R_MUSTRESEND 0x40 /* Must resend request */ 339 #define R_GETONEREP 0x80 /* Probe for one reply only */ 340 341 /* 342 * A list of nfssvc_sock structures is maintained with all the sockets 343 * that require service by the nfsd. 344 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 345 * and uid hash lists. 346 */ 347 #ifndef NFS_UIDHASHSIZ 348 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 349 #endif 350 #define NUIDHASH(sock, uid) \ 351 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 352 #ifndef NFS_WDELAYHASHSIZ 353 #define NFS_WDELAYHASHSIZ 16 /* and with this */ 354 #endif 355 #define NWDELAYHASH(sock, f) \ 356 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 357 #ifndef NFS_MUIDHASHSIZ 358 #define NFS_MUIDHASHSIZ 67 /* Tune the size of nfsmount with this */ 359 #endif 360 #define NMUIDHASH(nmp, uid) \ 361 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 362 #define NFSNOHASH(fhsum) \ 363 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 364 365 /* 366 * Network address hash list element 367 */ 368 union nethostaddr { 369 u_long had_inetaddr; 370 struct mbuf *had_nam; 371 }; 372 373 struct nfsuid { 374 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 375 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 376 int nu_flag; /* Flags */ 377 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 378 struct ucred nu_cr; /* Cred uid mapped to */ 379 int nu_expire; /* Expiry time (sec) */ 380 struct timeval nu_timestamp; /* Kerb. timestamp */ 381 u_long nu_nickname; /* Nickname on server */ 382 NFSKERBKEY_T nu_key; /* and session key */ 383 }; 384 385 #define nu_inetaddr nu_haddr.had_inetaddr 386 #define nu_nam nu_haddr.had_nam 387 /* Bits for nu_flag */ 388 #define NU_INETADDR 0x1 389 #define NU_NAM 0x2 390 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 391 392 struct nfssvc_sock { 393 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 394 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 395 struct file *ns_fp; 396 struct socket *ns_so; 397 struct mbuf *ns_nam; 398 struct mbuf *ns_raw; 399 struct mbuf *ns_rawend; 400 struct mbuf *ns_rec; 401 struct mbuf *ns_recend; 402 struct mbuf *ns_frag; 403 int ns_flag; 404 int ns_solock; 405 int ns_cc; 406 int ns_reclen; 407 int ns_numuids; 408 u_long ns_sref; 409 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 410 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 411 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 412 }; 413 414 /* Bits for "ns_flag" */ 415 #define SLP_VALID 0x01 416 #define SLP_DOREC 0x02 417 #define SLP_NEEDQ 0x04 418 #define SLP_DISCONN 0x08 419 #define SLP_GETSTREAM 0x10 420 #define SLP_LASTFRAG 0x20 421 #define SLP_ALLFLAGS 0xff 422 423 TAILQ_HEAD(, nfssvc_sock) nfssvc_sockhead; 424 int nfssvc_sockhead_flag; 425 #define SLP_INIT 0x01 426 #define SLP_WANTINIT 0x02 427 428 /* 429 * One of these structures is allocated for each nfsd. 430 */ 431 struct nfsd { 432 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 433 int nfsd_flag; /* NFSD_ flags */ 434 struct nfssvc_sock *nfsd_slp; /* Current socket */ 435 int nfsd_authlen; /* Authenticator len */ 436 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 437 int nfsd_verflen; /* and the Verifier */ 438 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 439 struct proc *nfsd_procp; /* Proc ptr */ 440 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 441 }; 442 443 /* Bits for "nfsd_flag" */ 444 #define NFSD_WAITING 0x01 445 #define NFSD_REQINPROG 0x02 446 #define NFSD_NEEDAUTH 0x04 447 #define NFSD_AUTHFAIL 0x08 448 449 /* 450 * This structure is used by the server for describing each request. 451 * Some fields are used only when write request gathering is performed. 452 */ 453 struct nfsrv_descript { 454 u_quad_t nd_time; /* Write deadline (usec) */ 455 off_t nd_off; /* Start byte offset */ 456 off_t nd_eoff; /* and end byte offset */ 457 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 458 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 459 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 460 struct mbuf *nd_mrep; /* Request mbuf list */ 461 struct mbuf *nd_md; /* Current dissect mbuf */ 462 struct mbuf *nd_mreq; /* Reply mbuf list */ 463 struct mbuf *nd_nam; /* and socket addr */ 464 struct mbuf *nd_nam2; /* return socket addr */ 465 caddr_t nd_dpos; /* Current dissect pos */ 466 int nd_procnum; /* RPC # */ 467 int nd_stable; /* storage type */ 468 int nd_flag; /* nd_flag */ 469 int nd_len; /* Length of this write */ 470 int nd_repstat; /* Reply status */ 471 u_long nd_retxid; /* Reply xid */ 472 u_long nd_duration; /* Lease duration */ 473 struct timeval nd_starttime; /* Time RPC initiated */ 474 fhandle_t nd_fh; /* File handle */ 475 struct ucred nd_cr; /* Credentials */ 476 }; 477 478 /* Bits for "nd_flag" */ 479 #define ND_READ LEASE_READ 480 #define ND_WRITE LEASE_WRITE 481 #define ND_CHECK 0x04 482 #define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 483 #define ND_NFSV3 0x08 484 #define ND_NQNFS 0x10 485 #define ND_KERBNICK 0x20 486 #define ND_KERBFULL 0x40 487 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 488 489 TAILQ_HEAD(, nfsd) nfsd_head; 490 int nfsd_head_flag; 491 #define NFSD_CHECKSLP 0x01 492 493 /* 494 * These macros compare nfsrv_descript structures. 495 */ 496 #define NFSW_CONTIG(o, n) \ 497 ((o)->nd_eoff >= (n)->nd_off && \ 498 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 499 500 #define NFSW_SAMECRED(o, n) \ 501 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 502 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 503 sizeof (struct ucred))) 504 505 int nfs_reply __P((struct nfsreq *)); 506 int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 507 int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *)); 508 int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *)); 509 int nfs_sndlock __P((int *,struct nfsreq *)); 510 int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 511 int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int)); 512 int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *)); 513 int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *)); 514 int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *)); 515 int nfs_setattrrpc __P((struct vnode *,struct vattr *,struct ucred *,struct proc *)); 516 int nfs_asyncio __P((struct buf *,struct ucred *)); 517 int nfs_doio __P((struct buf *,struct ucred *,struct proc *)); 518 int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *)); 519 int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *)); 520 int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *)); 521 int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 522 void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *)); 523 void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **)); 524 void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **)); 525 int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *,int)); 526 int nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *)); 527 int netaddr_match __P((int,union nethostaddr *,struct mbuf *)); 528 int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *)); 529 int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *)); 530 int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int)); 531 void nfsm_adj __P((struct mbuf *,int,int)); 532 int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *)); 533 void nfsrv_initcache __P((void)); 534 int nfs_rcvlock __P((struct nfsreq *)); 535 int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T)); 536 int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int)); 537 int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *)); 538 int nfs_msg __P((struct proc *,char *,char *)); 539 int nfs_adv __P((struct mbuf **,caddr_t *,int,int)); 540 int nfsrv_getstream __P((struct nfssvc_sock *,int)); 541 void nfs_nhinit __P((void)); 542 void nfs_timer __P((void*)); 543 u_long nfs_hash __P((nfsfh_t *,int)); 544 int nfssvc_iod __P((struct proc *)); 545 int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *)); 546 int nfssvc_addsock __P((struct file *,struct mbuf *)); 547 int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **)); 548 int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **)); 549 void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *)); 550 int mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **)); 551 int nfs_connect __P((struct nfsmount *,struct nfsreq *)); 552 int nfs_getattrcache __P((struct vnode *,struct vattr *)); 553 int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long)); 554 int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *)); 555 int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *)); 556 void nfsrv_init __P((int)); 557 void nfs_clearcommit __P((struct mount *)); 558 int nfsrv_errmap __P((struct nfsrv_descript *, int)); 559 void nfsrvw_coalesce __P((struct nfsrv_descript *,struct nfsrv_descript *)); 560 void nfsrvw_sort __P((gid_t [],int)); 561 void nfsrv_setcred __P((struct ucred *,struct ucred *)); 562 int nfs_flush __P((struct vnode *,struct ucred *,int,struct proc *,int)); 563 int nfs_writebp __P((struct buf *,int)); 564 #endif /* KERNEL */ 565 566 #endif 567
Indexes created Wed Oct 15 03:09:54 GMT 2025