nfsargs.h revision 37272
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 * $Id: nfs.h,v 1.40 1998/05/31 20:08:51 peter Exp $ 38 */ 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43#include "opt_nfs.h" 44 45/* 46 * Tunable constants for nfs 47 */ 48 49#define NFS_MAXIOVEC 34 50#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 51#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 52#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 53#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 54#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 55#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 56#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 57#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 58#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 59#define NFS_MAXGRPS 16 /* Max. size of groups list */ 60#ifndef NFS_MINATTRTIMO 61#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 62#endif 63#ifndef NFS_MAXATTRTIMO 64#define NFS_MAXATTRTIMO 60 65#endif 66#ifndef NFS_MINDIRATTRTIMO 67#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 68#endif 69#ifndef NFS_MAXDIRATTRTIMO 70#define NFS_MAXDIRATTRTIMO 60 71#endif 72#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 73#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 74#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 75#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 76#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 77#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 78#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 79#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 80#ifndef NFS_GATHERDELAY 81#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 82#endif 83#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 84#ifdef KERNEL 85#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 86#endif 87 88/* 89 * Oddballs 90 */ 91#define NMOD(a) ((a) % nfs_asyncdaemons) 92#define NFS_CMPFH(n, f, s) \ 93 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 94#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 95#define NFS_SRVMAXDATA(n) \ 96 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 97 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 98 99/* 100 * XXX 101 * The B_INVAFTERWRITE flag should be set to whatever is required by the 102 * buffer cache code to say "Invalidate the block after it is written back". 103 */ 104#define B_INVAFTERWRITE B_NOCACHE 105 106/* 107 * The IO_METASYNC flag should be implemented for local file systems. 108 * (Until then, it is nothin at all.) 109 */ 110#ifndef IO_METASYNC 111#define IO_METASYNC 0 112#endif 113 114/* 115 * Expected allocation sizes for major data structures. If the actual size 116 * of the structure exceeds these sizes, then malloc() will be allocating 117 * almost twice the memory required. This is used in nfs_init() to warn 118 * the sysadmin that the size of a structure should be reduced. 119 * (These sizes are always a power of 2. If the kernel malloc() changes 120 * to one that does not allocate space in powers of 2 size, then this all 121 * becomes bunk!) 122 */ 123#define NFS_SVCALLOC 256 124#define NFS_UIDALLOC 128 125 126/* 127 * Arguments to mount NFS 128 */ 129#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 130struct nfs_args { 131 int version; /* args structure version number */ 132 struct sockaddr *addr; /* file server address */ 133 int addrlen; /* length of address */ 134 int sotype; /* Socket type */ 135 int proto; /* and Protocol */ 136 u_char *fh; /* File handle to be mounted */ 137 int fhsize; /* Size, in bytes, of fh */ 138 int flags; /* flags */ 139 int wsize; /* write size in bytes */ 140 int rsize; /* read size in bytes */ 141 int readdirsize; /* readdir size in bytes */ 142 int timeo; /* initial timeout in .1 secs */ 143 int retrans; /* times to retry send */ 144 int maxgrouplist; /* Max. size of group list */ 145 int readahead; /* # of blocks to readahead */ 146 int leaseterm; /* Term (sec) of lease */ 147 int deadthresh; /* Retrans threshold */ 148 char *hostname; /* server's name */ 149 int acregmin; /* cache attrs for reg files min time */ 150 int acregmax; /* cache attrs for reg files max time */ 151 int acdirmin; /* cache attrs for dirs min time */ 152 int acdirmax; /* cache attrs for dirs max time */ 153}; 154 155/* 156 * NFS mount option flags 157 */ 158#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 159#define NFSMNT_WSIZE 0x00000002 /* set write size */ 160#define NFSMNT_RSIZE 0x00000004 /* set read size */ 161#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 162#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 163#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 164#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 165#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 166#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 167#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 168#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 169#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 170#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 171#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 172#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 173#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 174#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 175#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 176#define NFSMNT_ACREGMIN 0x00040000 177#define NFSMNT_ACREGMAX 0x00080000 178#define NFSMNT_ACDIRMIN 0x00100000 179#define NFSMNT_ACDIRMAX 0x00200000 180 181#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 182#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 183#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 184#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 185#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 186#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 187#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 188#define NFSSTA_WANTSND 0x02000000 /* Want above */ 189#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 190#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 191#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 192#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 193#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 194#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 195 196/* 197 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 198 * should ever try and use it. 199 */ 200struct nfsd_args { 201 int sock; /* Socket to serve */ 202 caddr_t name; /* Client addr for connection based sockets */ 203 int namelen; /* Length of name */ 204}; 205 206struct nfsd_srvargs { 207 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 208 uid_t nsd_uid; /* Effective uid mapped to cred */ 209 u_int32_t nsd_haddr; /* Ip address of client */ 210 struct ucred nsd_cr; /* Cred. uid maps to */ 211 int nsd_authlen; /* Length of auth string (ret) */ 212 u_char *nsd_authstr; /* Auth string (ret) */ 213 int nsd_verflen; /* and the verfier */ 214 u_char *nsd_verfstr; 215 struct timeval nsd_timestamp; /* timestamp from verifier */ 216 u_int32_t nsd_ttl; /* credential ttl (sec) */ 217 NFSKERBKEY_T nsd_key; /* Session key */ 218}; 219 220struct nfsd_cargs { 221 char *ncd_dirp; /* Mount dir path */ 222 uid_t ncd_authuid; /* Effective uid */ 223 int ncd_authtype; /* Type of authenticator */ 224 int ncd_authlen; /* Length of authenticator string */ 225 u_char *ncd_authstr; /* Authenticator string */ 226 int ncd_verflen; /* and the verifier */ 227 u_char *ncd_verfstr; 228 NFSKERBKEY_T ncd_key; /* Session key */ 229}; 230 231/* 232 * XXX to allow amd to include nfs.h without nfsproto.h 233 */ 234#ifdef NFS_NPROCS 235/* 236 * Stats structure 237 */ 238struct nfsstats { 239 int attrcache_hits; 240 int attrcache_misses; 241 int lookupcache_hits; 242 int lookupcache_misses; 243 int direofcache_hits; 244 int direofcache_misses; 245 int biocache_reads; 246 int read_bios; 247 int read_physios; 248 int biocache_writes; 249 int write_bios; 250 int write_physios; 251 int biocache_readlinks; 252 int readlink_bios; 253 int biocache_readdirs; 254 int readdir_bios; 255 int rpccnt[NFS_NPROCS]; 256 int rpcretries; 257 int srvrpccnt[NFS_NPROCS]; 258 int srvrpc_errs; 259 int srv_errs; 260 int rpcrequests; 261 int rpctimeouts; 262 int rpcunexpected; 263 int rpcinvalid; 264 int srvcache_inproghits; 265 int srvcache_idemdonehits; 266 int srvcache_nonidemdonehits; 267 int srvcache_misses; 268 int srvnqnfs_leases; 269 int srvnqnfs_maxleases; 270 int srvnqnfs_getleases; 271 int srvvop_writes; 272}; 273#endif 274 275/* 276 * Flags for nfssvc() system call. 277 */ 278#define NFSSVC_BIOD 0x002 279#define NFSSVC_NFSD 0x004 280#define NFSSVC_ADDSOCK 0x008 281#define NFSSVC_AUTHIN 0x010 282#define NFSSVC_GOTAUTH 0x040 283#define NFSSVC_AUTHINFAIL 0x080 284#define NFSSVC_MNTD 0x100 285 286/* 287 * fs.nfs sysctl(3) identifiers 288 */ 289#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 290#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 291 292#define FS_NFS_NAMES { \ 293 { 0, 0 }, \ 294 { "nfsstats", CTLTYPE_STRUCT }, \ 295 { "nfsprivport", CTLTYPE_INT }, \ 296} 297 298#ifdef KERNEL 299 300#ifdef MALLOC_DECLARE 301MALLOC_DECLARE(M_NFSREQ); 302MALLOC_DECLARE(M_NFSDIROFF); 303MALLOC_DECLARE(M_NFSRVDESC); 304MALLOC_DECLARE(M_NFSUID); 305MALLOC_DECLARE(M_NQLEASE); 306MALLOC_DECLARE(M_NFSD); 307MALLOC_DECLARE(M_NFSBIGFH); 308MALLOC_DECLARE(M_NFSHASH); 309#endif 310 311#ifdef ZONE_INTERRUPT 312extern vm_zone_t nfsmount_zone; 313#endif 314 315struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 316 317/* 318 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 319 * What should be in this set is open to debate, but I believe that since 320 * I/O system calls on ufs are never interrupted by signals the set should 321 * be minimal. My reasoning is that many current programs that use signals 322 * such as SIGALRM will not expect file I/O system calls to be interrupted 323 * by them and break. 324 */ 325#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 326 sigmask(SIGHUP)|sigmask(SIGQUIT)) 327 328/* 329 * Socket errors ignored for connectionless sockets?? 330 * For now, ignore them all 331 */ 332#define NFSIGNORE_SOERROR(s, e) \ 333 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 334 ((s) & PR_CONNREQUIRED) == 0) 335 336/* 337 * Nfs outstanding request list element 338 */ 339struct nfsreq { 340 TAILQ_ENTRY(nfsreq) r_chain; 341 struct mbuf *r_mreq; 342 struct mbuf *r_mrep; 343 struct mbuf *r_md; 344 caddr_t r_dpos; 345 struct nfsmount *r_nmp; 346 struct vnode *r_vp; 347 u_int32_t r_xid; 348 int r_flags; /* flags on request, see below */ 349 int r_retry; /* max retransmission count */ 350 int r_rexmit; /* current retrans count */ 351 int r_timer; /* tick counter on reply */ 352 u_int32_t r_procnum; /* NFS procedure number */ 353 int r_rtt; /* RTT for rpc */ 354 struct proc *r_procp; /* Proc that did I/O system call */ 355}; 356 357/* 358 * Queue head for nfsreq's 359 */ 360extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 361 362/* Flag values for r_flags */ 363#define R_TIMING 0x01 /* timing request (in mntp) */ 364#define R_SENT 0x02 /* request has been sent */ 365#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 366#define R_INTR 0x08 /* intr mnt, signal pending */ 367#define R_SOCKERR 0x10 /* Fatal error on socket */ 368#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 369#define R_MUSTRESEND 0x40 /* Must resend request */ 370#define R_GETONEREP 0x80 /* Probe for one reply only */ 371 372/* 373 * A list of nfssvc_sock structures is maintained with all the sockets 374 * that require service by the nfsd. 375 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 376 * and uid hash lists. 377 */ 378#ifndef NFS_UIDHASHSIZ 379#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 380#endif 381#define NUIDHASH(sock, uid) \ 382 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 383#ifndef NFS_WDELAYHASHSIZ 384#define NFS_WDELAYHASHSIZ 16 /* and with this */ 385#endif 386#define NWDELAYHASH(sock, f) \ 387 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 388#ifndef NFS_MUIDHASHSIZ 389#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 390#endif 391#define NMUIDHASH(nmp, uid) \ 392 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 393#define NFSNOHASH(fhsum) \ 394 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 395 396/* 397 * Network address hash list element 398 */ 399union nethostaddr { 400 u_int32_t had_inetaddr; 401 struct sockaddr *had_nam; 402}; 403 404struct nfsuid { 405 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 406 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 407 int nu_flag; /* Flags */ 408 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 409 struct ucred nu_cr; /* Cred uid mapped to */ 410 int nu_expire; /* Expiry time (sec) */ 411 struct timeval nu_timestamp; /* Kerb. timestamp */ 412 u_int32_t nu_nickname; /* Nickname on server */ 413 NFSKERBKEY_T nu_key; /* and session key */ 414}; 415 416#define nu_inetaddr nu_haddr.had_inetaddr 417#define nu_nam nu_haddr.had_nam 418/* Bits for nu_flag */ 419#define NU_INETADDR 0x1 420#define NU_NAM 0x2 421#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 422 423struct nfsrv_rec { 424 STAILQ_ENTRY(nfsrv_rec) nr_link; 425 struct sockaddr *nr_address; 426 struct mbuf *nr_packet; 427}; 428 429struct nfssvc_sock { 430 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 431 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 432 struct file *ns_fp; 433 struct socket *ns_so; 434 struct sockaddr *ns_nam; 435 struct mbuf *ns_raw; 436 struct mbuf *ns_rawend; 437 STAILQ_HEAD(, nfsrv_rec) ns_rec; 438 struct mbuf *ns_frag; 439 int ns_flag; 440 int ns_solock; 441 int ns_cc; 442 int ns_reclen; 443 int ns_numuids; 444 u_int32_t ns_sref; 445 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 446 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 447 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 448}; 449 450/* Bits for "ns_flag" */ 451#define SLP_VALID 0x01 452#define SLP_DOREC 0x02 453#define SLP_NEEDQ 0x04 454#define SLP_DISCONN 0x08 455#define SLP_GETSTREAM 0x10 456#define SLP_LASTFRAG 0x20 457#define SLP_ALLFLAGS 0xff 458 459extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 460extern int nfssvc_sockhead_flag; 461#define SLP_INIT 0x01 462#define SLP_WANTINIT 0x02 463 464/* 465 * One of these structures is allocated for each nfsd. 466 */ 467struct nfsd { 468 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 469 int nfsd_flag; /* NFSD_ flags */ 470 struct nfssvc_sock *nfsd_slp; /* Current socket */ 471 int nfsd_authlen; /* Authenticator len */ 472 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 473 int nfsd_verflen; /* and the Verifier */ 474 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 475 struct proc *nfsd_procp; /* Proc ptr */ 476 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 477}; 478 479/* Bits for "nfsd_flag" */ 480#define NFSD_WAITING 0x01 481#define NFSD_REQINPROG 0x02 482#define NFSD_NEEDAUTH 0x04 483#define NFSD_AUTHFAIL 0x08 484 485/* 486 * This structure is used by the server for describing each request. 487 * Some fields are used only when write request gathering is performed. 488 */ 489struct nfsrv_descript { 490 u_quad_t nd_time; /* Write deadline (usec) */ 491 off_t nd_off; /* Start byte offset */ 492 off_t nd_eoff; /* and end byte offset */ 493 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 494 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 495 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 496 struct mbuf *nd_mrep; /* Request mbuf list */ 497 struct mbuf *nd_md; /* Current dissect mbuf */ 498 struct mbuf *nd_mreq; /* Reply mbuf list */ 499 struct sockaddr *nd_nam; /* and socket addr */ 500 struct sockaddr *nd_nam2; /* return socket addr */ 501 caddr_t nd_dpos; /* Current dissect pos */ 502 u_int32_t nd_procnum; /* RPC # */ 503 int nd_stable; /* storage type */ 504 int nd_flag; /* nd_flag */ 505 int nd_len; /* Length of this write */ 506 int nd_repstat; /* Reply status */ 507 u_int32_t nd_retxid; /* Reply xid */ 508 u_int32_t nd_duration; /* Lease duration */ 509 struct timeval nd_starttime; /* Time RPC initiated */ 510 fhandle_t nd_fh; /* File handle */ 511 struct ucred nd_cr; /* Credentials */ 512}; 513 514/* Bits for "nd_flag" */ 515#define ND_READ LEASE_READ 516#define ND_WRITE LEASE_WRITE 517#define ND_CHECK 0x04 518#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 519#define ND_NFSV3 0x08 520#define ND_NQNFS 0x10 521#define ND_KERBNICK 0x20 522#define ND_KERBFULL 0x40 523#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 524 525extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 526extern int nfsd_head_flag; 527#define NFSD_CHECKSLP 0x01 528 529/* 530 * These macros compare nfsrv_descript structures. 531 */ 532#define NFSW_CONTIG(o, n) \ 533 ((o)->nd_eoff >= (n)->nd_off && \ 534 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 535 536#define NFSW_SAMECRED(o, n) \ 537 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 538 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 539 sizeof (struct ucred))) 540 541/* 542 * Defines for WebNFS 543 */ 544 545#define WEBNFS_ESC_CHAR '%' 546#define WEBNFS_SPECCHAR_START 0x80 547 548#define WEBNFS_NATIVE_CHAR 0x80 549/* 550 * .. 551 * Possibly more here in the future. 552 */ 553 554/* 555 * Macro for converting escape characters in WebNFS pathnames. 556 * Should really be in libkern. 557 */ 558 559#define HEXTOC(c) \ 560 ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 561 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 562#define HEXSTRTOI(p) \ 563 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 564 565#ifdef NFS_DEBUG 566 567extern int nfs_debug; 568#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 569#define NFS_DEBUG_WG 2 /* server write gathering */ 570#define NFS_DEBUG_RC 4 /* server request caching */ 571 572#define NFS_DPF(cat, args) \ 573 do { \ 574 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 575 } while (0) 576 577#else 578 579#define NFS_DPF(cat, args) 580 581#endif 582 583u_quad_t nfs_curusec __P((void)); 584int nfs_init __P((struct vfsconf *vfsp)); 585int nfs_reply __P((struct nfsreq *)); 586int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 587int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 588 struct nfsreq *)); 589int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 590 int, int, u_quad_t *, struct mbuf **, struct mbuf **, 591 caddr_t *)); 592int nfs_sndlock __P((int *, int *, struct nfsreq *)); 593void nfs_sndunlock __P((int *, int *)); 594int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 595int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 596 int)); 597int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 598int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 599 int *)); 600int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 601int nfs_asyncio __P((struct buf *, struct ucred *)); 602int nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 603int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 604int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 605int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 606int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 607void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 608 struct nfs_fattr *)); 609void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 610 struct vattr *, struct mbuf **, char **)); 611void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 612 struct mbuf **, char **)); 613int netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 614int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 615 struct ucred *, struct mbuf **, struct mbuf **, 616 caddr_t *)); 617int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 618 struct vattr *)); 619int nfs_namei __P((struct nameidata *, fhandle_t *, int, 620 struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 621 caddr_t *, struct vnode **, struct proc *, int, int)); 622void nfsm_adj __P((struct mbuf *, int, int)); 623int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 624void nfsrv_initcache __P((void)); 625int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 626 char **, int *, char *, int *, NFSKERBKEY_T)); 627int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 628 int *, char *, int)); 629int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 630 NFSKERBKEY_T, struct mbuf **, char **, 631 struct mbuf *)); 632int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 633void nfs_nhinit __P((void)); 634void nfs_timer __P((void*)); 635u_long nfs_hash __P((nfsfh_t *, int)); 636int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 637 struct nfsrv_descript **)); 638int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 639 struct mbuf **)); 640void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 641void nfsrv_cleancache __P((void)); 642int nfs_connect __P((struct nfsmount *, struct nfsreq *)); 643void nfs_disconnect __P((struct nfsmount *)); 644void nfs_safedisconnect __P((struct nfsmount *)); 645int nfs_getattrcache __P((struct vnode *, struct vattr *)); 646int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 647int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 648 int)); 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)); 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, caddr_t arg, int waitflag)); 724void nfsrv_slpderef __P((struct nfssvc_sock *slp)); 725#endif /* KERNEL */ 726 727#endif 728