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 * %sccs.include.redist.c% 9 * 10 * @(#)nfs.h 8.4 (Berkeley) 05/01/95 11 */ 12 13 #ifndef _NFS_NFS_H_ 14 #define _NFS_NFS_H_ 15 16 /* 17 * Tunable constants for nfs 18 */ 19 20 #define NFS_MAXIOVEC 34 21 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 22 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 23 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 24 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 25 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 26 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 27 #define NFS_MAXREXMIT 100 /* Stop counting after this many */ 28 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 29 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 30 #define NFS_MAXGRPS 16 /* Max. size of groups list */ 31 #ifndef NFS_MINATTRTIMO 32 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 33 #endif 34 #ifndef NFS_MAXATTRTIMO 35 #define NFS_MAXATTRTIMO 60 36 #endif 37 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 38 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 39 #define NFS_READDIRSIZE 8192 /* Def. readdir size */ 40 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 41 #define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 42 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 43 #define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */ 44 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 45 #ifndef NFS_GATHERDELAY 46 #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 47 #endif 48 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 49 50 /* 51 * Oddballs 52 */ 53 #define NMOD(a) ((a) % nfs_asyncdaemons) 54 #define NFS_CMPFH(n, f, s) \ 55 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 56 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 57 #define NFS_SRVMAXDATA(n) \ 58 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 59 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 60 61 /* 62 * XXX 63 * The B_INVAFTERWRITE flag should be set to whatever is required by the 64 * buffer cache code to say "Invalidate the block after it is written back". 65 */ 66 #define B_INVAFTERWRITE B_INVAL 67 68 /* 69 * The IO_METASYNC flag should be implemented for local file systems. 70 * (Until then, it is nothin at all.) 71 */ 72 #ifndef IO_METASYNC 73 #define IO_METASYNC 0 74 #endif 75 76 /* 77 * Set the attribute timeout based on how recently the file has been modified. 78 */ 79 #define NFS_ATTRTIMEO(np) \ 80 ((((np)->n_flag & NMODIFIED) || \ 81 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 82 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 83 (time.tv_sec - (np)->n_mtime) / 10)) 84 85 /* 86 * Expected allocation sizes for major data structures. If the actual size 87 * of the structure exceeds these sizes, then malloc() will be allocating 88 * almost twice the memory required. This is used in nfs_init() to warn 89 * the sysadmin that the size of a structure should be reduced. 90 * (These sizes are always a power of 2. If the kernel malloc() changes 91 * to one that does not allocate space in powers of 2 size, then this all 92 * becomes bunk!) 93 */ 94 #define NFS_NODEALLOC 256 95 #define NFS_MNTALLOC 512 96 #define NFS_SVCALLOC 256 97 #define NFS_UIDALLOC 128 98 99 /* 100 * Arguments to mount NFS 101 */ 102 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 103 struct nfs_args { 104 int version; /* args structure version number */ 105 struct sockaddr *addr; /* file server address */ 106 int addrlen; /* length of address */ 107 int sotype; /* Socket type */ 108 int proto; /* and Protocol */ 109 u_char *fh; /* File handle to be mounted */ 110 int fhsize; /* Size, in bytes, of fh */ 111 int flags; /* flags */ 112 int wsize; /* write size in bytes */ 113 int rsize; /* read size in bytes */ 114 int readdirsize; /* readdir size in bytes */ 115 int timeo; /* initial timeout in .1 secs */ 116 int retrans; /* times to retry send */ 117 int maxgrouplist; /* Max. size of group list */ 118 int readahead; /* # of blocks to readahead */ 119 int leaseterm; /* Term (sec) of lease */ 120 int deadthresh; /* Retrans threshold */ 121 char *hostname; /* server's name */ 122 }; 123 124 /* 125 * NFS mount option flags 126 */ 127 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 128 #define NFSMNT_WSIZE 0x00000002 /* set write size */ 129 #define NFSMNT_RSIZE 0x00000004 /* set read size */ 130 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 131 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 132 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 133 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 134 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 135 #define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 136 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 137 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 138 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 139 #define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 140 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 141 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 142 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 143 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 144 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 145 #define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ 146 #define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 147 #define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 148 #define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 149 #define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ 150 #define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ 151 #define NFSMNT_DISMNT 0x00800000 /* Dismounted */ 152 #define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ 153 #define NFSMNT_WANTSND 0x02000000 /* Want above */ 154 #define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ 155 #define NFSMNT_WANTRCV 0x08000000 /* Want above */ 156 #define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ 157 #define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ 158 #define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ 159 #define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ 160 161 /* 162 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 163 * should ever try and use it. 164 */ 165 struct nfsd_args { 166 int sock; /* Socket to serve */ 167 caddr_t name; /* Client addr for connection based sockets */ 168 int namelen; /* Length of name */ 169 }; 170 171 struct nfsd_srvargs { 172 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 173 uid_t nsd_uid; /* Effective uid mapped to cred */ 174 u_long nsd_haddr; /* Ip address of client */ 175 struct ucred nsd_cr; /* Cred. uid maps to */ 176 int nsd_authlen; /* Length of auth string (ret) */ 177 u_char *nsd_authstr; /* Auth string (ret) */ 178 int nsd_verflen; /* and the verfier */ 179 u_char *nsd_verfstr; 180 struct timeval nsd_timestamp; /* timestamp from verifier */ 181 u_long nsd_ttl; /* credential ttl (sec) */ 182 NFSKERBKEY_T nsd_key; /* Session key */ 183 }; 184 185 struct nfsd_cargs { 186 char *ncd_dirp; /* Mount dir path */ 187 uid_t ncd_authuid; /* Effective uid */ 188 int ncd_authtype; /* Type of authenticator */ 189 int ncd_authlen; /* Length of authenticator string */ 190 u_char *ncd_authstr; /* Authenticator string */ 191 int ncd_verflen; /* and the verifier */ 192 u_char *ncd_verfstr; 193 NFSKERBKEY_T ncd_key; /* Session key */ 194 }; 195 196 /* 197 * Stats structure 198 */ 199 struct nfsstats { 200 int attrcache_hits; 201 int attrcache_misses; 202 int lookupcache_hits; 203 int lookupcache_misses; 204 int direofcache_hits; 205 int direofcache_misses; 206 int biocache_reads; 207 int read_bios; 208 int read_physios; 209 int biocache_writes; 210 int write_bios; 211 int write_physios; 212 int biocache_readlinks; 213 int readlink_bios; 214 int biocache_readdirs; 215 int readdir_bios; 216 int rpccnt[NFS_NPROCS]; 217 int rpcretries; 218 int srvrpccnt[NFS_NPROCS]; 219 int srvrpc_errs; 220 int srv_errs; 221 int rpcrequests; 222 int rpctimeouts; 223 int rpcunexpected; 224 int rpcinvalid; 225 int srvcache_inproghits; 226 int srvcache_idemdonehits; 227 int srvcache_nonidemdonehits; 228 int srvcache_misses; 229 int srvnqnfs_leases; 230 int srvnqnfs_maxleases; 231 int srvnqnfs_getleases; 232 int srvvop_writes; 233 }; 234 235 /* 236 * Flags for nfssvc() system call. 237 */ 238 #define NFSSVC_BIOD 0x002 239 #define NFSSVC_NFSD 0x004 240 #define NFSSVC_ADDSOCK 0x008 241 #define NFSSVC_AUTHIN 0x010 242 #define NFSSVC_GOTAUTH 0x040 243 #define NFSSVC_AUTHINFAIL 0x080 244 #define NFSSVC_MNTD 0x100 245 246 /* 247 * fs.nfs sysctl(3) identifiers 248 */ 249 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 250 251 #define FS_NFS_NAMES { \ 252 { 0, 0 }, \ 253 { "nfsstats", CTLTYPE_STRUCT }, \ 254 } 255 256 /* 257 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 258 * What should be in this set is open to debate, but I believe that since 259 * I/O system calls on ufs are never interrupted by signals the set should 260 * be minimal. My reasoning is that many current programs that use signals 261 * such as SIGALRM will not expect file I/O system calls to be interrupted 262 * by them and break. 263 */ 264 #ifdef KERNEL 265 266 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 267 268 #define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 269 sigmask(SIGHUP)|sigmask(SIGQUIT)) 270 271 /* 272 * Socket errors ignored for connectionless sockets?? 273 * For now, ignore them all 274 */ 275 #define NFSIGNORE_SOERROR(s, e) \ 276 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 277 ((s) & PR_CONNREQUIRED) == 0) 278 279 /* 280 * Nfs outstanding request list element 281 */ 282 struct nfsreq { 283 TAILQ_ENTRY(nfsreq) r_chain; 284 struct mbuf *r_mreq; 285 struct mbuf *r_mrep; 286 struct mbuf *r_md; 287 caddr_t r_dpos; 288 struct nfsmount *r_nmp; 289 struct vnode *r_vp; 290 u_long r_xid; 291 int r_flags; /* flags on request, see below */ 292 int r_retry; /* max retransmission count */ 293 int r_rexmit; /* current retrans count */ 294 int r_timer; /* tick counter on reply */ 295 int r_procnum; /* NFS procedure number */ 296 int r_rtt; /* RTT for rpc */ 297 struct proc *r_procp; /* Proc that did I/O system call */ 298 }; 299 300 /* 301 * Queue head for nfsreq's 302 */ 303 TAILQ_HEAD(, nfsreq) nfs_reqq; 304 305 /* Flag values for r_flags */ 306 #define R_TIMING 0x01 /* timing request (in mntp) */ 307 #define R_SENT 0x02 /* request has been sent */ 308 #define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 309 #define R_INTR 0x08 /* intr mnt, signal pending */ 310 #define R_SOCKERR 0x10 /* Fatal error on socket */ 311 #define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 312 #define R_MUSTRESEND 0x40 /* Must resend request */ 313 #define R_GETONEREP 0x80 /* Probe for one reply only */ 314 315 /* 316 * A list of nfssvc_sock structures is maintained with all the sockets 317 * that require service by the nfsd. 318 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 319 * and uid hash lists. 320 */ 321 #ifndef NFS_UIDHASHSIZ 322 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 323 #endif 324 #define NUIDHASH(sock, uid) \ 325 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 326 #ifndef NFS_WDELAYHASHSIZ 327 #define NFS_WDELAYHASHSIZ 16 /* and with this */ 328 #endif 329 #define NWDELAYHASH(sock, f) \ 330 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 331 #ifndef NFS_MUIDHASHSIZ 332 #define NFS_MUIDHASHSIZ 67 /* Tune the size of nfsmount with this */ 333 #endif 334 #define NMUIDHASH(nmp, uid) \ 335 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 336 #define NFSNOHASH(fhsum) \ 337 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 338 339 /* 340 * Network address hash list element 341 */ 342 union nethostaddr { 343 u_long had_inetaddr; 344 struct mbuf *had_nam; 345 }; 346 347 struct nfsuid { 348 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 349 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 350 int nu_flag; /* Flags */ 351 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 352 struct ucred nu_cr; /* Cred uid mapped to */ 353 int nu_expire; /* Expiry time (sec) */ 354 struct timeval nu_timestamp; /* Kerb. timestamp */ 355 u_long nu_nickname; /* Nickname on server */ 356 NFSKERBKEY_T nu_key; /* and session key */ 357 }; 358 359 #define nu_inetaddr nu_haddr.had_inetaddr 360 #define nu_nam nu_haddr.had_nam 361 /* Bits for nu_flag */ 362 #define NU_INETADDR 0x1 363 #define NU_NAM 0x2 364 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 365 366 struct nfssvc_sock { 367 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 368 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 369 struct file *ns_fp; 370 struct socket *ns_so; 371 struct mbuf *ns_nam; 372 struct mbuf *ns_raw; 373 struct mbuf *ns_rawend; 374 struct mbuf *ns_rec; 375 struct mbuf *ns_recend; 376 struct mbuf *ns_frag; 377 int ns_flag; 378 int ns_solock; 379 int ns_cc; 380 int ns_reclen; 381 int ns_numuids; 382 u_long ns_sref; 383 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 384 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 385 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 386 }; 387 388 /* Bits for "ns_flag" */ 389 #define SLP_VALID 0x01 390 #define SLP_DOREC 0x02 391 #define SLP_NEEDQ 0x04 392 #define SLP_DISCONN 0x08 393 #define SLP_GETSTREAM 0x10 394 #define SLP_LASTFRAG 0x20 395 #define SLP_ALLFLAGS 0xff 396 397 TAILQ_HEAD(, nfssvc_sock) nfssvc_sockhead; 398 int nfssvc_sockhead_flag; 399 #define SLP_INIT 0x01 400 #define SLP_WANTINIT 0x02 401 402 /* 403 * One of these structures is allocated for each nfsd. 404 */ 405 struct nfsd { 406 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 407 int nfsd_flag; /* NFSD_ flags */ 408 struct nfssvc_sock *nfsd_slp; /* Current socket */ 409 int nfsd_authlen; /* Authenticator len */ 410 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 411 int nfsd_verflen; /* and the Verifier */ 412 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 413 struct proc *nfsd_procp; /* Proc ptr */ 414 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 415 }; 416 417 /* Bits for "nfsd_flag" */ 418 #define NFSD_WAITING 0x01 419 #define NFSD_REQINPROG 0x02 420 #define NFSD_NEEDAUTH 0x04 421 #define NFSD_AUTHFAIL 0x08 422 423 /* 424 * This structure is used by the server for describing each request. 425 * Some fields are used only when write request gathering is performed. 426 */ 427 struct nfsrv_descript { 428 u_quad_t nd_time; /* Write deadline (usec) */ 429 off_t nd_off; /* Start byte offset */ 430 off_t nd_eoff; /* and end byte offset */ 431 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 432 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 433 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 434 struct mbuf *nd_mrep; /* Request mbuf list */ 435 struct mbuf *nd_md; /* Current dissect mbuf */ 436 struct mbuf *nd_mreq; /* Reply mbuf list */ 437 struct mbuf *nd_nam; /* and socket addr */ 438 struct mbuf *nd_nam2; /* return socket addr */ 439 caddr_t nd_dpos; /* Current dissect pos */ 440 int nd_procnum; /* RPC # */ 441 int nd_stable; /* storage type */ 442 int nd_flag; /* nd_flag */ 443 int nd_len; /* Length of this write */ 444 int nd_repstat; /* Reply status */ 445 u_long nd_retxid; /* Reply xid */ 446 u_long nd_duration; /* Lease duration */ 447 struct timeval nd_starttime; /* Time RPC initiated */ 448 fhandle_t nd_fh; /* File handle */ 449 struct ucred nd_cr; /* Credentials */ 450 }; 451 452 /* Bits for "nd_flag" */ 453 #define ND_READ LEASE_READ 454 #define ND_WRITE LEASE_WRITE 455 #define ND_CHECK 0x04 456 #define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 457 #define ND_NFSV3 0x08 458 #define ND_NQNFS 0x10 459 #define ND_KERBNICK 0x20 460 #define ND_KERBFULL 0x40 461 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 462 463 TAILQ_HEAD(, nfsd) nfsd_head; 464 int nfsd_head_flag; 465 #define NFSD_CHECKSLP 0x01 466 467 /* 468 * These macros compare nfsrv_descript structures. 469 */ 470 #define NFSW_CONTIG(o, n) \ 471 ((o)->nd_eoff >= (n)->nd_off && \ 472 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 473 474 #define NFSW_SAMECRED(o, n) \ 475 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 476 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 477 sizeof (struct ucred))) 478 479 int nfs_reply __P((struct nfsreq *)); 480 int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 481 int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *)); 482 int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *)); 483 int nfs_sndlock __P((int *,struct nfsreq *)); 484 int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 485 int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int)); 486 int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *)); 487 int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *)); 488 int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *)); 489 int nfs_setattrrpc __P((struct vnode *,struct vattr *,struct ucred *,struct proc *)); 490 int nfs_asyncio __P((struct buf *,struct ucred *)); 491 int nfs_doio __P((struct buf *,struct ucred *,struct proc *)); 492 int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *)); 493 int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *)); 494 int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *)); 495 int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 496 void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *)); 497 void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **)); 498 void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **)); 499 int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *,int)); 500 int nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *)); 501 int netaddr_match __P((int,union nethostaddr *,struct mbuf *)); 502 int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *)); 503 int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *)); 504 int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int)); 505 void nfsm_adj __P((struct mbuf *,int,int)); 506 int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *)); 507 void nfsrv_initcache __P((void)); 508 int nfs_rcvlock __P((struct nfsreq *)); 509 int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T)); 510 int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int)); 511 int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *)); 512 int nfs_msg __P((struct proc *,char *,char *)); 513 int nfs_adv __P((struct mbuf **,caddr_t *,int,int)); 514 int nfsrv_getstream __P((struct nfssvc_sock *,int)); 515 void nfs_nhinit __P((void)); 516 void nfs_timer __P((void*)); 517 u_long nfs_hash __P((nfsfh_t *,int)); 518 int nfssvc_iod __P((struct proc *)); 519 int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *)); 520 int nfssvc_addsock __P((struct file *,struct mbuf *)); 521 int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **)); 522 int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **)); 523 void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *)); 524 int mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **)); 525 int nfs_connect __P((struct nfsmount *,struct nfsreq *)); 526 int nfs_getattrcache __P((struct vnode *,struct vattr *)); 527 int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long)); 528 int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *)); 529 int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *)); 530 void nfsrv_init __P((int)); 531 void nfs_clearcommit __P((struct mount *)); 532 int nfsrv_errmap __P((struct nfsrv_descript *, int)); 533 void nfsrvw_coalesce __P((struct nfsrv_descript *,struct nfsrv_descript *)); 534 void nfsrvw_sort __P((gid_t [],int)); 535 void nfsrv_setcred __P((struct ucred *,struct ucred *)); 536 int nfs_flush __P((struct vnode *,struct ucred *,int,struct proc *,int)); 537 int nfs_writebp __P((struct buf *,int)); 538 #endif /* KERNEL */ 539 540 #endif 541