nfsargs.h revision 60938
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 * $FreeBSD: head/sys/nfsclient/nfsargs.h 60938 2000-05-26 02:09:24Z jake $ 38 */ 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43#ifdef _KERNEL 44#include "opt_nfs.h" 45#endif 46 47/* 48 * Tunable constants for nfs 49 */ 50 51#define NFS_MAXIOVEC 34 52#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 53#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 54#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 55#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 56#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 57#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 58#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 59#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 60#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 61#define NFS_MAXGRPS 16 /* Max. size of groups list */ 62#ifndef NFS_MINATTRTIMO 63#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 64#endif 65#ifndef NFS_MAXATTRTIMO 66#define NFS_MAXATTRTIMO 60 67#endif 68#ifndef NFS_MINDIRATTRTIMO 69#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 70#endif 71#ifndef NFS_MAXDIRATTRTIMO 72#define NFS_MAXDIRATTRTIMO 60 73#endif 74#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 75#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 76#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 77#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 78#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 79#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 80#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 81#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 82#ifndef NFS_GATHERDELAY 83#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 84#endif 85#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 86#ifdef _KERNEL 87#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 88#endif 89 90/* 91 * Oddballs 92 */ 93#define NMOD(a) ((a) % nfs_asyncdaemons) 94#define NFS_CMPFH(n, f, s) \ 95 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 96#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 97#define NFS_SRVMAXDATA(n) \ 98 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 99 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 100 101/* 102 * XXX 103 * The B_INVAFTERWRITE flag should be set to whatever is required by the 104 * buffer cache code to say "Invalidate the block after it is written back". 105 */ 106#define B_INVAFTERWRITE B_NOCACHE 107 108/* 109 * The IO_METASYNC flag should be implemented for local file systems. 110 * (Until then, it is nothin at all.) 111 */ 112#ifndef IO_METASYNC 113#define IO_METASYNC 0 114#endif 115 116/* 117 * Arguments to mount NFS 118 */ 119#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 120struct nfs_args { 121 int version; /* args structure version number */ 122 struct sockaddr *addr; /* file server address */ 123 int addrlen; /* length of address */ 124 int sotype; /* Socket type */ 125 int proto; /* and Protocol */ 126 u_char *fh; /* File handle to be mounted */ 127 int fhsize; /* Size, in bytes, of fh */ 128 int flags; /* flags */ 129 int wsize; /* write size in bytes */ 130 int rsize; /* read size in bytes */ 131 int readdirsize; /* readdir size in bytes */ 132 int timeo; /* initial timeout in .1 secs */ 133 int retrans; /* times to retry send */ 134 int maxgrouplist; /* Max. size of group list */ 135 int readahead; /* # of blocks to readahead */ 136 int leaseterm; /* Term (sec) of lease */ 137 int deadthresh; /* Retrans threshold */ 138 char *hostname; /* server's name */ 139 int acregmin; /* cache attrs for reg files min time */ 140 int acregmax; /* cache attrs for reg files max time */ 141 int acdirmin; /* cache attrs for dirs min time */ 142 int acdirmax; /* cache attrs for dirs max time */ 143}; 144 145/* 146 * NFS mount option flags 147 */ 148#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 149#define NFSMNT_WSIZE 0x00000002 /* set write size */ 150#define NFSMNT_RSIZE 0x00000004 /* set read size */ 151#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 152#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 153#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 154#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 155#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 156#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 157#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 158#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 159#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 160#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 161#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 162#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 163#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 164#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 165#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 166#define NFSMNT_ACREGMIN 0x00040000 167#define NFSMNT_ACREGMAX 0x00080000 168#define NFSMNT_ACDIRMIN 0x00100000 169#define NFSMNT_ACDIRMAX 0x00200000 170 171#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 172#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 173#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 174#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 175#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 176#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 177#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 178#define NFSSTA_WANTSND 0x02000000 /* Want above */ 179#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 180#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 181#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 182#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 183#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 184#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 185 186/* 187 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 188 * should ever try and use it. 189 */ 190struct nfsd_args { 191 int sock; /* Socket to serve */ 192 caddr_t name; /* Client addr for connection based sockets */ 193 int namelen; /* Length of name */ 194}; 195 196struct nfsd_srvargs { 197 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 198 uid_t nsd_uid; /* Effective uid mapped to cred */ 199 u_int32_t nsd_haddr; /* Ip address of client */ 200 struct ucred nsd_cr; /* Cred. uid maps to */ 201 int nsd_authlen; /* Length of auth string (ret) */ 202 u_char *nsd_authstr; /* Auth string (ret) */ 203 int nsd_verflen; /* and the verfier */ 204 u_char *nsd_verfstr; 205 struct timeval nsd_timestamp; /* timestamp from verifier */ 206 u_int32_t nsd_ttl; /* credential ttl (sec) */ 207 NFSKERBKEY_T nsd_key; /* Session key */ 208}; 209 210struct nfsd_cargs { 211 char *ncd_dirp; /* Mount dir path */ 212 uid_t ncd_authuid; /* Effective uid */ 213 int ncd_authtype; /* Type of authenticator */ 214 int ncd_authlen; /* Length of authenticator string */ 215 u_char *ncd_authstr; /* Authenticator string */ 216 int ncd_verflen; /* and the verifier */ 217 u_char *ncd_verfstr; 218 NFSKERBKEY_T ncd_key; /* Session key */ 219}; 220 221/* 222 * XXX to allow amd to include nfs.h without nfsproto.h 223 */ 224#ifdef NFS_NPROCS 225/* 226 * Stats structure 227 */ 228struct nfsstats { 229 int attrcache_hits; 230 int attrcache_misses; 231 int lookupcache_hits; 232 int lookupcache_misses; 233 int direofcache_hits; 234 int direofcache_misses; 235 int biocache_reads; 236 int read_bios; 237 int read_physios; 238 int biocache_writes; 239 int write_bios; 240 int write_physios; 241 int biocache_readlinks; 242 int readlink_bios; 243 int biocache_readdirs; 244 int readdir_bios; 245 int rpccnt[NFS_NPROCS]; 246 int rpcretries; 247 int srvrpccnt[NFS_NPROCS]; 248 int srvrpc_errs; 249 int srv_errs; 250 int rpcrequests; 251 int rpctimeouts; 252 int rpcunexpected; 253 int rpcinvalid; 254 int srvcache_inproghits; 255 int srvcache_idemdonehits; 256 int srvcache_nonidemdonehits; 257 int srvcache_misses; 258 int srvnqnfs_leases; 259 int srvnqnfs_maxleases; 260 int srvnqnfs_getleases; 261 int srvvop_writes; 262 int accesscache_hits; 263 int accesscache_misses; 264}; 265#endif 266 267/* 268 * Flags for nfssvc() system call. 269 */ 270#define NFSSVC_BIOD 0x002 271#define NFSSVC_NFSD 0x004 272#define NFSSVC_ADDSOCK 0x008 273#define NFSSVC_AUTHIN 0x010 274#define NFSSVC_GOTAUTH 0x040 275#define NFSSVC_AUTHINFAIL 0x080 276#define NFSSVC_MNTD 0x100 277 278/* 279 * fs.nfs sysctl(3) identifiers 280 */ 281#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 282#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 283 284#define FS_NFS_NAMES { \ 285 { 0, 0 }, \ 286 { "nfsstats", CTLTYPE_STRUCT }, \ 287 { "nfsprivport", CTLTYPE_INT }, \ 288} 289 290#ifdef _KERNEL 291 292#ifdef MALLOC_DECLARE 293MALLOC_DECLARE(M_NFSREQ); 294MALLOC_DECLARE(M_NFSDIROFF); 295MALLOC_DECLARE(M_NFSRVDESC); 296MALLOC_DECLARE(M_NFSUID); 297MALLOC_DECLARE(M_NQLEASE); 298MALLOC_DECLARE(M_NFSD); 299MALLOC_DECLARE(M_NFSBIGFH); 300MALLOC_DECLARE(M_NFSHASH); 301#endif 302 303#ifdef ZONE_INTERRUPT 304extern vm_zone_t nfsmount_zone; 305#endif 306 307extern struct callout_handle nfs_timer_handle; 308 309struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 310 311/* 312 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 313 * What should be in this set is open to debate, but I believe that since 314 * I/O system calls on ufs are never interrupted by signals the set should 315 * be minimal. My reasoning is that many current programs that use signals 316 * such as SIGALRM will not expect file I/O system calls to be interrupted 317 * by them and break. 318 */ 319#define NFSINT_SIGMASK(set) \ 320 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 321 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 322 SIGISMEMBER(set, SIGQUIT)) 323 324/* 325 * Socket errors ignored for connectionless sockets?? 326 * For now, ignore them all 327 */ 328#define NFSIGNORE_SOERROR(s, e) \ 329 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 330 ((s) & PR_CONNREQUIRED) == 0) 331 332/* 333 * Nfs outstanding request list element 334 */ 335struct nfsreq { 336 TAILQ_ENTRY(nfsreq) r_chain; 337 struct mbuf *r_mreq; 338 struct mbuf *r_mrep; 339 struct mbuf *r_md; 340 caddr_t r_dpos; 341 struct nfsmount *r_nmp; 342 struct vnode *r_vp; 343 u_int32_t r_xid; 344 int r_flags; /* flags on request, see below */ 345 int r_retry; /* max retransmission count */ 346 int r_rexmit; /* current retrans count */ 347 int r_timer; /* tick counter on reply */ 348 u_int32_t r_procnum; /* NFS procedure number */ 349 int r_rtt; /* RTT for rpc */ 350 struct proc *r_procp; /* Proc that did I/O system call */ 351}; 352 353/* 354 * Queue head for nfsreq's 355 */ 356extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 357 358/* Flag values for r_flags */ 359#define R_TIMING 0x01 /* timing request (in mntp) */ 360#define R_SENT 0x02 /* request has been sent */ 361#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 362#define R_INTR 0x08 /* intr mnt, signal pending */ 363#define R_SOCKERR 0x10 /* Fatal error on socket */ 364#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 365#define R_MUSTRESEND 0x40 /* Must resend request */ 366#define R_GETONEREP 0x80 /* Probe for one reply only */ 367 368/* 369 * A list of nfssvc_sock structures is maintained with all the sockets 370 * that require service by the nfsd. 371 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 372 * and uid hash lists. 373 */ 374#ifndef NFS_UIDHASHSIZ 375#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 376#endif 377#define NUIDHASH(sock, uid) \ 378 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 379#ifndef NFS_WDELAYHASHSIZ 380#define NFS_WDELAYHASHSIZ 16 /* and with this */ 381#endif 382#define NWDELAYHASH(sock, f) \ 383 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 384#ifndef NFS_MUIDHASHSIZ 385#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 386#endif 387#define NMUIDHASH(nmp, uid) \ 388 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 389#define NFSNOHASH(fhsum) \ 390 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 391 392/* 393 * Network address hash list element 394 */ 395union nethostaddr { 396 u_int32_t had_inetaddr; 397 struct sockaddr *had_nam; 398}; 399 400struct nfsuid { 401 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 402 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 403 int nu_flag; /* Flags */ 404 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 405 struct ucred nu_cr; /* Cred uid mapped to */ 406 int nu_expire; /* Expiry time (sec) */ 407 struct timeval nu_timestamp; /* Kerb. timestamp */ 408 u_int32_t nu_nickname; /* Nickname on server */ 409 NFSKERBKEY_T nu_key; /* and session key */ 410}; 411 412#define nu_inetaddr nu_haddr.had_inetaddr 413#define nu_nam nu_haddr.had_nam 414/* Bits for nu_flag */ 415#define NU_INETADDR 0x1 416#define NU_NAM 0x2 417#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 418 419struct nfsrv_rec { 420 STAILQ_ENTRY(nfsrv_rec) nr_link; 421 struct sockaddr *nr_address; 422 struct mbuf *nr_packet; 423}; 424 425struct nfssvc_sock { 426 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 427 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 428 struct file *ns_fp; 429 struct socket *ns_so; 430 struct sockaddr *ns_nam; 431 struct mbuf *ns_raw; 432 struct mbuf *ns_rawend; 433 STAILQ_HEAD(, nfsrv_rec) ns_rec; 434 struct mbuf *ns_frag; 435 int ns_flag; 436 int ns_solock; 437 int ns_cc; 438 int ns_reclen; 439 int ns_numuids; 440 u_int32_t ns_sref; 441 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 442 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 443 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 444}; 445 446/* Bits for "ns_flag" */ 447#define SLP_VALID 0x01 448#define SLP_DOREC 0x02 449#define SLP_NEEDQ 0x04 450#define SLP_DISCONN 0x08 451#define SLP_GETSTREAM 0x10 452#define SLP_LASTFRAG 0x20 453#define SLP_ALLFLAGS 0xff 454 455extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 456extern int nfssvc_sockhead_flag; 457#define SLP_INIT 0x01 458#define SLP_WANTINIT 0x02 459 460/* 461 * One of these structures is allocated for each nfsd. 462 */ 463struct nfsd { 464 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 465 int nfsd_flag; /* NFSD_ flags */ 466 struct nfssvc_sock *nfsd_slp; /* Current socket */ 467 int nfsd_authlen; /* Authenticator len */ 468 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 469 int nfsd_verflen; /* and the Verifier */ 470 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 471 struct proc *nfsd_procp; /* Proc ptr */ 472 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 473}; 474 475/* Bits for "nfsd_flag" */ 476#define NFSD_WAITING 0x01 477#define NFSD_REQINPROG 0x02 478#define NFSD_NEEDAUTH 0x04 479#define NFSD_AUTHFAIL 0x08 480 481/* 482 * This structure is used by the server for describing each request. 483 * Some fields are used only when write request gathering is performed. 484 */ 485struct nfsrv_descript { 486 u_quad_t nd_time; /* Write deadline (usec) */ 487 off_t nd_off; /* Start byte offset */ 488 off_t nd_eoff; /* and end byte offset */ 489 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 490 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 491 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 492 struct mbuf *nd_mrep; /* Request mbuf list */ 493 struct mbuf *nd_md; /* Current dissect mbuf */ 494 struct mbuf *nd_mreq; /* Reply mbuf list */ 495 struct sockaddr *nd_nam; /* and socket addr */ 496 struct sockaddr *nd_nam2; /* return socket addr */ 497 caddr_t nd_dpos; /* Current dissect pos */ 498 u_int32_t nd_procnum; /* RPC # */ 499 int nd_stable; /* storage type */ 500 int nd_flag; /* nd_flag */ 501 int nd_len; /* Length of this write */ 502 int nd_repstat; /* Reply status */ 503 u_int32_t nd_retxid; /* Reply xid */ 504 u_int32_t nd_duration; /* Lease duration */ 505 struct timeval nd_starttime; /* Time RPC initiated */ 506 fhandle_t nd_fh; /* File handle */ 507 struct ucred nd_cr; /* Credentials */ 508}; 509 510/* Bits for "nd_flag" */ 511#define ND_READ LEASE_READ 512#define ND_WRITE LEASE_WRITE 513#define ND_CHECK 0x04 514#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 515#define ND_NFSV3 0x08 516#define ND_NQNFS 0x10 517#define ND_KERBNICK 0x20 518#define ND_KERBFULL 0x40 519#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 520 521extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 522extern int nfsd_head_flag; 523#define NFSD_CHECKSLP 0x01 524 525/* 526 * These macros compare nfsrv_descript structures. 527 */ 528#define NFSW_CONTIG(o, n) \ 529 ((o)->nd_eoff >= (n)->nd_off && \ 530 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 531 532#define NFSW_SAMECRED(o, n) \ 533 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 534 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 535 sizeof (struct ucred))) 536 537/* 538 * Defines for WebNFS 539 */ 540 541#define WEBNFS_ESC_CHAR '%' 542#define WEBNFS_SPECCHAR_START 0x80 543 544#define WEBNFS_NATIVE_CHAR 0x80 545/* 546 * .. 547 * Possibly more here in the future. 548 */ 549 550/* 551 * Macro for converting escape characters in WebNFS pathnames. 552 * Should really be in libkern. 553 */ 554 555#define HEXTOC(c) \ 556 ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 557 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 558#define HEXSTRTOI(p) \ 559 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 560 561#ifdef NFS_DEBUG 562 563extern int nfs_debug; 564#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 565#define NFS_DEBUG_WG 2 /* server write gathering */ 566#define NFS_DEBUG_RC 4 /* server request caching */ 567 568#define NFS_DPF(cat, args) \ 569 do { \ 570 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 571 } while (0) 572 573#else 574 575#define NFS_DPF(cat, args) 576 577#endif 578 579u_quad_t nfs_curusec __P((void)); 580int nfs_init __P((struct vfsconf *vfsp)); 581int nfs_uninit __P((struct vfsconf *vfsp)); 582int nfs_reply __P((struct nfsreq *)); 583int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 584int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 585 struct nfsreq *)); 586int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 587 int, int, u_quad_t *, struct mbuf **, struct mbuf **, 588 caddr_t *)); 589int nfs_sndlock __P((struct nfsreq *)); 590void nfs_sndunlock __P((struct nfsreq *)); 591int nfs_slplock __P((struct nfssvc_sock *, int)); 592void nfs_slpunlock __P((struct nfssvc_sock *)); 593int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 594int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 595 int)); 596int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 597int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 598 int *)); 599int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt, 600 struct ucred *cred, struct proc *procp)); 601int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 602int nfs_asyncio __P((struct buf *, struct ucred *, struct proc *)); 603int nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 604int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 605int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 606int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 607int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 608void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 609 struct nfs_fattr *)); 610void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 611 struct vattr *, struct mbuf **, char **)); 612void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 613 struct mbuf **, char **)); 614int netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 615int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 616 struct ucred *, struct mbuf **, struct mbuf **, 617 caddr_t *)); 618int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 619 struct vattr *)); 620int nfs_namei __P((struct nameidata *, fhandle_t *, int, 621 struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 622 caddr_t *, struct vnode **, struct proc *, int, int)); 623void nfsm_adj __P((struct mbuf *, int, int)); 624int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 625void nfsrv_initcache __P((void)); 626int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 627 char **, int *, char *, int *, NFSKERBKEY_T)); 628int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 629 int *, char *, int)); 630int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 631 NFSKERBKEY_T, struct mbuf **, char **, 632 struct mbuf *)); 633int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 634void nfs_nhinit __P((void)); 635void nfs_timer __P((void*)); 636u_long nfs_hash __P((nfsfh_t *, int)); 637int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 638 struct nfsrv_descript **)); 639int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 640 struct mbuf **)); 641void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 642void nfsrv_cleancache __P((void)); 643int nfs_connect __P((struct nfsmount *, struct nfsreq *)); 644void nfs_disconnect __P((struct nfsmount *)); 645void nfs_safedisconnect __P((struct nfsmount *)); 646int nfs_getattrcache __P((struct vnode *, struct vattr *)); 647int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 648int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *)); 649int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 650void nfsrv_init __P((int)); 651void nfs_clearcommit __P((struct mount *)); 652int nfsrv_errmap __P((struct nfsrv_descript *, int)); 653void nfsrvw_sort __P((gid_t *, int)); 654void nfsrv_setcred __P((struct ucred *, struct ucred *)); 655int nfs_writebp __P((struct buf *, int, struct proc *)); 656int nfsrv_object_create __P((struct vnode *)); 657void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 658int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 659 struct proc *, struct mbuf **)); 660int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 661 struct proc *p)); 662 663int nfsrv3_access __P((struct nfsrv_descript *nfsd, 664 struct nfssvc_sock *slp, 665 struct proc *procp, struct mbuf **mrq)); 666int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 667 struct proc *procp, struct mbuf **mrq)); 668int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 669 struct proc *procp, struct mbuf **mrq)); 670int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 671 struct nfssvc_sock *, struct sockaddr *, int *, 672 int, int)); 673int nfsrv_setpublicfs __P((struct mount *, struct netexport *, 674 struct export_args *)); 675int nfs_ispublicfh __P((fhandle_t *)); 676int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 677 struct proc *procp, struct mbuf **mrq)); 678int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 679 struct proc *procp, struct mbuf **mrq)); 680int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 681 struct proc *procp, struct mbuf **mrq)); 682int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 683 struct proc *procp, struct mbuf **mrq)); 684int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 685 struct proc *procp, struct mbuf **mrq)); 686int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 687 struct proc *procp, struct mbuf **mrq)); 688int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 689 struct proc *procp, struct mbuf **mrq)); 690int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 691 struct proc *procp, struct mbuf **mrq)); 692int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 693 struct nfssvc_sock *slp, struct proc *procp, 694 struct mbuf **mrq)); 695int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 696 struct proc *procp, struct mbuf **mrq)); 697int nfsrv_readdir __P((struct nfsrv_descript *nfsd, 698 struct nfssvc_sock *slp, 699 struct proc *procp, struct mbuf **mrq)); 700int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 701 struct nfssvc_sock *slp, struct proc *procp, 702 struct mbuf **mrq)); 703int nfsrv_readlink __P((struct nfsrv_descript *nfsd, 704 struct nfssvc_sock *slp, struct proc *procp, 705 struct mbuf **mrq)); 706int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 707 struct proc *procp, struct mbuf **mrq)); 708int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 709 struct proc *procp, struct mbuf **mrq)); 710int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 711 struct proc *procp, struct mbuf **mrq)); 712int nfsrv_setattr __P((struct nfsrv_descript *nfsd, 713 struct nfssvc_sock *slp, 714 struct proc *procp, struct mbuf **mrq)); 715int nfsrv_statfs __P((struct nfsrv_descript *nfsd, 716 struct nfssvc_sock *slp, 717 struct proc *procp, struct mbuf **mrq)); 718int nfsrv_symlink __P((struct nfsrv_descript *nfsd, 719 struct nfssvc_sock *slp, 720 struct proc *procp, struct mbuf **mrq)); 721int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 722 struct proc *procp, struct mbuf **mrq)); 723void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag)); 724void nfsrv_slpderef __P((struct nfssvc_sock *slp)); 725#endif /* _KERNEL */ 726 727#endif 728