nfsargs.h revision 36503
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 1.36 1998/05/24 14:41:47 peter Exp $ 38 */ 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43/* 44 * Tunable constants for nfs 45 */ 46 47#define NFS_MAXIOVEC 34 48#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 49#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 50#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 51#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 52#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 53#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 54#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 55#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 56#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 57#define NFS_MAXGRPS 16 /* Max. size of groups list */ 58#ifndef NFS_MINATTRTIMO 59#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 60#endif 61#ifndef NFS_MAXATTRTIMO 62#define NFS_MAXATTRTIMO 60 63#endif 64#ifndef NFS_MINDIRATTRTIMO 65#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 66#endif 67#ifndef NFS_MAXDIRATTRTIMO 68#define NFS_MAXDIRATTRTIMO 60 69#endif 70#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 71#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 72#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 73#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 74#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 75#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 76#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 77#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 78#ifndef NFS_GATHERDELAY 79#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 80#endif 81#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 82#ifdef KERNEL 83#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 84#endif 85 86/* 87 * Oddballs 88 */ 89#define NMOD(a) ((a) % nfs_asyncdaemons) 90#define NFS_CMPFH(n, f, s) \ 91 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 92#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 93#define NFS_SRVMAXDATA(n) \ 94 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 95 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 96 97/* 98 * XXX 99 * The B_INVAFTERWRITE flag should be set to whatever is required by the 100 * buffer cache code to say "Invalidate the block after it is written back". 101 */ 102#define B_INVAFTERWRITE B_NOCACHE 103 104/* 105 * The IO_METASYNC flag should be implemented for local file systems. 106 * (Until then, it is nothin at all.) 107 */ 108#ifndef IO_METASYNC 109#define IO_METASYNC 0 110#endif 111 112/* 113 * Expected allocation sizes for major data structures. If the actual size 114 * of the structure exceeds these sizes, then malloc() will be allocating 115 * almost twice the memory required. This is used in nfs_init() to warn 116 * the sysadmin that the size of a structure should be reduced. 117 * (These sizes are always a power of 2. If the kernel malloc() changes 118 * to one that does not allocate space in powers of 2 size, then this all 119 * becomes bunk!) 120 */ 121#define NFS_SVCALLOC 256 122#define NFS_UIDALLOC 128 123 124/* 125 * Arguments to mount NFS 126 */ 127#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 128struct nfs_args { 129 int version; /* args structure version number */ 130 struct sockaddr *addr; /* file server address */ 131 int addrlen; /* length of address */ 132 int sotype; /* Socket type */ 133 int proto; /* and Protocol */ 134 u_char *fh; /* File handle to be mounted */ 135 int fhsize; /* Size, in bytes, of fh */ 136 int flags; /* flags */ 137 int wsize; /* write size in bytes */ 138 int rsize; /* read size in bytes */ 139 int readdirsize; /* readdir size in bytes */ 140 int timeo; /* initial timeout in .1 secs */ 141 int retrans; /* times to retry send */ 142 int maxgrouplist; /* Max. size of group list */ 143 int readahead; /* # of blocks to readahead */ 144 int leaseterm; /* Term (sec) of lease */ 145 int deadthresh; /* Retrans threshold */ 146 char *hostname; /* server's name */ 147 int acregmin; /* cache attrs for reg files min time */ 148 int acregmax; /* cache attrs for reg files max time */ 149 int acdirmin; /* cache attrs for dirs min time */ 150 int acdirmax; /* cache attrs for dirs max time */ 151}; 152 153/* 154 * NFS mount option flags 155 */ 156#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 157#define NFSMNT_WSIZE 0x00000002 /* set write size */ 158#define NFSMNT_RSIZE 0x00000004 /* set read size */ 159#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 160#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 161#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 162#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 163#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 164#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 165#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 166#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 167#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 168#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 169#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 170#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 171#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 172#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 173#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 174#define NFSMNT_ACREGMIN 0x00040000 175#define NFSMNT_ACREGMAX 0x00080000 176#define NFSMNT_ACDIRMIN 0x00100000 177#define NFSMNT_ACDIRMAX 0x00200000 178 179#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 180#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 181#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 182#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 183#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 184#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 185#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 186#define NFSSTA_WANTSND 0x02000000 /* Want above */ 187#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 188#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 189#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 190#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 191#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 192#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 193 194/* 195 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 196 * should ever try and use it. 197 */ 198struct nfsd_args { 199 int sock; /* Socket to serve */ 200 caddr_t name; /* Client addr for connection based sockets */ 201 int namelen; /* Length of name */ 202}; 203 204struct nfsd_srvargs { 205 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 206 uid_t nsd_uid; /* Effective uid mapped to cred */ 207 u_long nsd_haddr; /* Ip address of client */ 208 struct ucred nsd_cr; /* Cred. uid maps to */ 209 int nsd_authlen; /* Length of auth string (ret) */ 210 u_char *nsd_authstr; /* Auth string (ret) */ 211 int nsd_verflen; /* and the verfier */ 212 u_char *nsd_verfstr; 213 struct timeval nsd_timestamp; /* timestamp from verifier */ 214 u_long nsd_ttl; /* credential ttl (sec) */ 215 NFSKERBKEY_T nsd_key; /* Session key */ 216}; 217 218struct nfsd_cargs { 219 char *ncd_dirp; /* Mount dir path */ 220 uid_t ncd_authuid; /* Effective uid */ 221 int ncd_authtype; /* Type of authenticator */ 222 int ncd_authlen; /* Length of authenticator string */ 223 u_char *ncd_authstr; /* Authenticator string */ 224 int ncd_verflen; /* and the verifier */ 225 u_char *ncd_verfstr; 226 NFSKERBKEY_T ncd_key; /* Session key */ 227}; 228 229/* 230 * XXX to allow amd to include nfs.h without nfsproto.h 231 */ 232#ifdef NFS_NPROCS 233/* 234 * Stats structure 235 */ 236struct nfsstats { 237 int attrcache_hits; 238 int attrcache_misses; 239 int lookupcache_hits; 240 int lookupcache_misses; 241 int direofcache_hits; 242 int direofcache_misses; 243 int biocache_reads; 244 int read_bios; 245 int read_physios; 246 int biocache_writes; 247 int write_bios; 248 int write_physios; 249 int biocache_readlinks; 250 int readlink_bios; 251 int biocache_readdirs; 252 int readdir_bios; 253 int rpccnt[NFS_NPROCS]; 254 int rpcretries; 255 int srvrpccnt[NFS_NPROCS]; 256 int srvrpc_errs; 257 int srv_errs; 258 int rpcrequests; 259 int rpctimeouts; 260 int rpcunexpected; 261 int rpcinvalid; 262 int srvcache_inproghits; 263 int srvcache_idemdonehits; 264 int srvcache_nonidemdonehits; 265 int srvcache_misses; 266 int srvnqnfs_leases; 267 int srvnqnfs_maxleases; 268 int srvnqnfs_getleases; 269 int srvvop_writes; 270}; 271#endif 272 273/* 274 * Flags for nfssvc() system call. 275 */ 276#define NFSSVC_BIOD 0x002 277#define NFSSVC_NFSD 0x004 278#define NFSSVC_ADDSOCK 0x008 279#define NFSSVC_AUTHIN 0x010 280#define NFSSVC_GOTAUTH 0x040 281#define NFSSVC_AUTHINFAIL 0x080 282#define NFSSVC_MNTD 0x100 283 284/* 285 * fs.nfs sysctl(3) identifiers 286 */ 287#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 288#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 289 290#define FS_NFS_NAMES { \ 291 { 0, 0 }, \ 292 { "nfsstats", CTLTYPE_STRUCT }, \ 293 { "nfsprivport", CTLTYPE_INT }, \ 294} 295 296#ifdef KERNEL 297 298#ifdef MALLOC_DECLARE 299MALLOC_DECLARE(M_NFSREQ); 300MALLOC_DECLARE(M_NFSDIROFF); 301MALLOC_DECLARE(M_NFSRVDESC); 302MALLOC_DECLARE(M_NFSUID); 303MALLOC_DECLARE(M_NQLEASE); 304MALLOC_DECLARE(M_NFSD); 305MALLOC_DECLARE(M_NFSBIGFH); 306MALLOC_DECLARE(M_NFSHASH); 307#endif 308 309#ifdef ZONE_INTERRUPT 310extern vm_zone_t nfsmount_zone; 311#endif 312 313struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 314 315/* 316 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 317 * What should be in this set is open to debate, but I believe that since 318 * I/O system calls on ufs are never interrupted by signals the set should 319 * be minimal. My reasoning is that many current programs that use signals 320 * such as SIGALRM will not expect file I/O system calls to be interrupted 321 * by them and break. 322 */ 323#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 324 sigmask(SIGHUP)|sigmask(SIGQUIT)) 325 326/* 327 * Socket errors ignored for connectionless sockets?? 328 * For now, ignore them all 329 */ 330#define NFSIGNORE_SOERROR(s, e) \ 331 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 332 ((s) & PR_CONNREQUIRED) == 0) 333 334/* 335 * Nfs outstanding request list element 336 */ 337struct nfsreq { 338 TAILQ_ENTRY(nfsreq) r_chain; 339 struct mbuf *r_mreq; 340 struct mbuf *r_mrep; 341 struct mbuf *r_md; 342 caddr_t r_dpos; 343 struct nfsmount *r_nmp; 344 struct vnode *r_vp; 345 u_long r_xid; 346 int r_flags; /* flags on request, see below */ 347 int r_retry; /* max retransmission count */ 348 int r_rexmit; /* current retrans count */ 349 int r_timer; /* tick counter on reply */ 350 u_int32_t r_procnum; /* NFS procedure number */ 351 int r_rtt; /* RTT for rpc */ 352 struct proc *r_procp; /* Proc that did I/O system call */ 353}; 354 355/* 356 * Queue head for nfsreq's 357 */ 358extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 359 360/* Flag values for r_flags */ 361#define R_TIMING 0x01 /* timing request (in mntp) */ 362#define R_SENT 0x02 /* request has been sent */ 363#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 364#define R_INTR 0x08 /* intr mnt, signal pending */ 365#define R_SOCKERR 0x10 /* Fatal error on socket */ 366#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 367#define R_MUSTRESEND 0x40 /* Must resend request */ 368#define R_GETONEREP 0x80 /* Probe for one reply only */ 369 370/* 371 * A list of nfssvc_sock structures is maintained with all the sockets 372 * that require service by the nfsd. 373 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 374 * and uid hash lists. 375 */ 376#ifndef NFS_UIDHASHSIZ 377#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 378#endif 379#define NUIDHASH(sock, uid) \ 380 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 381#ifndef NFS_WDELAYHASHSIZ 382#define NFS_WDELAYHASHSIZ 16 /* and with this */ 383#endif 384#define NWDELAYHASH(sock, f) \ 385 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 386#ifndef NFS_MUIDHASHSIZ 387#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 388#endif 389#define NMUIDHASH(nmp, uid) \ 390 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 391#define NFSNOHASH(fhsum) \ 392 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 393 394/* 395 * Network address hash list element 396 */ 397union nethostaddr { 398 u_long had_inetaddr; 399 struct sockaddr *had_nam; 400}; 401 402struct nfsuid { 403 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 404 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 405 int nu_flag; /* Flags */ 406 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 407 struct ucred nu_cr; /* Cred uid mapped to */ 408 int nu_expire; /* Expiry time (sec) */ 409 struct timeval nu_timestamp; /* Kerb. timestamp */ 410 u_long nu_nickname; /* Nickname on server */ 411 NFSKERBKEY_T nu_key; /* and session key */ 412}; 413 414#define nu_inetaddr nu_haddr.had_inetaddr 415#define nu_nam nu_haddr.had_nam 416/* Bits for nu_flag */ 417#define NU_INETADDR 0x1 418#define NU_NAM 0x2 419#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 420 421struct nfsrv_rec { 422 STAILQ_ENTRY(nfsrv_rec) nr_link; 423 struct sockaddr *nr_address; 424 struct mbuf *nr_packet; 425}; 426 427struct nfssvc_sock { 428 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 429 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 430 struct file *ns_fp; 431 struct socket *ns_so; 432 struct sockaddr *ns_nam; 433 struct mbuf *ns_raw; 434 struct mbuf *ns_rawend; 435 STAILQ_HEAD(, nfsrv_rec) ns_rec; 436 struct mbuf *ns_frag; 437 int ns_flag; 438 int ns_solock; 439 int ns_cc; 440 int ns_reclen; 441 int ns_numuids; 442 u_long ns_sref; 443 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 444 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 445 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 446}; 447 448/* Bits for "ns_flag" */ 449#define SLP_VALID 0x01 450#define SLP_DOREC 0x02 451#define SLP_NEEDQ 0x04 452#define SLP_DISCONN 0x08 453#define SLP_GETSTREAM 0x10 454#define SLP_LASTFRAG 0x20 455#define SLP_ALLFLAGS 0xff 456 457extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 458extern int nfssvc_sockhead_flag; 459#define SLP_INIT 0x01 460#define SLP_WANTINIT 0x02 461 462/* 463 * One of these structures is allocated for each nfsd. 464 */ 465struct nfsd { 466 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 467 int nfsd_flag; /* NFSD_ flags */ 468 struct nfssvc_sock *nfsd_slp; /* Current socket */ 469 int nfsd_authlen; /* Authenticator len */ 470 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 471 int nfsd_verflen; /* and the Verifier */ 472 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 473 struct proc *nfsd_procp; /* Proc ptr */ 474 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 475}; 476 477/* Bits for "nfsd_flag" */ 478#define NFSD_WAITING 0x01 479#define NFSD_REQINPROG 0x02 480#define NFSD_NEEDAUTH 0x04 481#define NFSD_AUTHFAIL 0x08 482 483/* 484 * This structure is used by the server for describing each request. 485 * Some fields are used only when write request gathering is performed. 486 */ 487struct nfsrv_descript { 488 u_quad_t nd_time; /* Write deadline (usec) */ 489 off_t nd_off; /* Start byte offset */ 490 off_t nd_eoff; /* and end byte offset */ 491 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 492 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 493 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 494 struct mbuf *nd_mrep; /* Request mbuf list */ 495 struct mbuf *nd_md; /* Current dissect mbuf */ 496 struct mbuf *nd_mreq; /* Reply mbuf list */ 497 struct sockaddr *nd_nam; /* and socket addr */ 498 struct sockaddr *nd_nam2; /* return socket addr */ 499 caddr_t nd_dpos; /* Current dissect pos */ 500 u_int32_t nd_procnum; /* RPC # */ 501 int nd_stable; /* storage type */ 502 int nd_flag; /* nd_flag */ 503 int nd_len; /* Length of this write */ 504 int nd_repstat; /* Reply status */ 505 u_long nd_retxid; /* Reply xid */ 506 u_long nd_duration; /* Lease duration */ 507 struct timeval nd_starttime; /* Time RPC initiated */ 508 fhandle_t nd_fh; /* File handle */ 509 struct ucred nd_cr; /* Credentials */ 510}; 511 512/* Bits for "nd_flag" */ 513#define ND_READ LEASE_READ 514#define ND_WRITE LEASE_WRITE 515#define ND_CHECK 0x04 516#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 517#define ND_NFSV3 0x08 518#define ND_NQNFS 0x10 519#define ND_KERBNICK 0x20 520#define ND_KERBFULL 0x40 521#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 522 523extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 524extern int nfsd_head_flag; 525#define NFSD_CHECKSLP 0x01 526 527/* 528 * These macros compare nfsrv_descript structures. 529 */ 530#define NFSW_CONTIG(o, n) \ 531 ((o)->nd_eoff >= (n)->nd_off && \ 532 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 533 534#define NFSW_SAMECRED(o, n) \ 535 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 536 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 537 sizeof (struct ucred))) 538 539/* 540 * Defines for WebNFS 541 */ 542 543#define WEBNFS_ESC_CHAR '%' 544#define WEBNFS_SPECCHAR_START 0x80 545 546#define WEBNFS_NATIVE_CHAR 0x80 547/* 548 * .. 549 * Possibly more here in the future. 550 */ 551 552/* 553 * Macro for converting escape characters in WebNFS pathnames. 554 * Should really be in libkern. 555 */ 556 557#define HEXTOC(c) \ 558 ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 559 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 560#define HEXSTRTOI(p) \ 561 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 562 563#ifdef NFS_DEBUG 564 565extern int nfs_debug; 566#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 567#define NFS_DEBUG_WG 2 /* server write gathering */ 568#define NFS_DEBUG_RC 4 /* server request caching */ 569 570#define NFS_DPF(cat, args) \ 571 do { \ 572 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 573 } while (0) 574 575#else 576 577#define NFS_DPF(cat, args) 578 579#endif 580 581u_quad_t nfs_curusec __P((void)); 582int nfs_init __P((struct vfsconf *vfsp)); 583int nfs_reply __P((struct nfsreq *)); 584int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 585int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 586 struct nfsreq *)); 587int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 588 int, int, u_quad_t *, struct mbuf **, struct mbuf **, 589 caddr_t *)); 590int nfs_sndlock __P((int *, int *, struct nfsreq *)); 591void nfs_sndunlock __P((int *, int *)); 592int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 593int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 594 int)); 595int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 596int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 597 int *)); 598int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 599int nfs_asyncio __P((struct buf *, struct ucred *)); 600int nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 601int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 602int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 603int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 604int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 605void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 606 struct nfs_fattr *)); 607void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 608 struct vattr *, struct mbuf **, char **)); 609void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 610 struct mbuf **, char **)); 611int netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 612int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 613 struct ucred *, struct mbuf **, struct mbuf **, 614 caddr_t *)); 615int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 616 struct vattr *)); 617int nfs_namei __P((struct nameidata *, fhandle_t *, int, 618 struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 619 caddr_t *, struct vnode **, struct proc *, int, int)); 620void nfsm_adj __P((struct mbuf *, int, int)); 621int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 622void nfsrv_initcache __P((void)); 623int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 624 char **, int *, char *, int *, NFSKERBKEY_T)); 625int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 626 int *, char *, int)); 627int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 628 NFSKERBKEY_T, struct mbuf **, char **, 629 struct mbuf *)); 630int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 631void nfs_nhinit __P((void)); 632void nfs_timer __P((void*)); 633u_long nfs_hash __P((nfsfh_t *, int)); 634int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 635 struct nfsrv_descript **)); 636int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 637 struct mbuf **)); 638void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 639void nfsrv_cleancache __P((void)); 640int nfs_connect __P((struct nfsmount *, struct nfsreq *)); 641void nfs_disconnect __P((struct nfsmount *)); 642int nfs_getattrcache __P((struct vnode *, struct vattr *)); 643int nfsm_strtmbuf __P((struct mbuf **, char **, char *, long)); 644int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 645 int)); 646int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 647void nfsrv_init __P((int)); 648void nfs_clearcommit __P((struct mount *)); 649int nfsrv_errmap __P((struct nfsrv_descript *, int)); 650void nfsrvw_sort __P((gid_t *, int)); 651void nfsrv_setcred __P((struct ucred *, struct ucred *)); 652int nfs_writebp __P((struct buf *, int)); 653int nfsrv_object_create __P((struct vnode *)); 654void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 655int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 656 struct proc *, struct mbuf **)); 657int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 658 struct proc *p)); 659 660int nfsrv3_access __P((struct nfsrv_descript *nfsd, 661 struct nfssvc_sock *slp, 662 struct proc *procp, struct mbuf **mrq)); 663int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 664 struct proc *procp, struct mbuf **mrq)); 665int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 666 struct proc *procp, struct mbuf **mrq)); 667int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 668 struct nfssvc_sock *, struct sockaddr *, int *, 669 int, int)); 670int nfsrv_setpublicfs __P((struct mount *, struct netexport *, 671 struct export_args *)); 672int nfs_ispublicfh __P((fhandle_t *)); 673int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 674 struct proc *procp, struct mbuf **mrq)); 675int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 676 struct proc *procp, struct mbuf **mrq)); 677int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 678 struct proc *procp, struct mbuf **mrq)); 679int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 680 struct proc *procp, struct mbuf **mrq)); 681int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 682 struct proc *procp, struct mbuf **mrq)); 683int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 684 struct proc *procp, struct mbuf **mrq)); 685int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 686 struct proc *procp, struct mbuf **mrq)); 687int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 688 struct proc *procp, struct mbuf **mrq)); 689int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 690 struct nfssvc_sock *slp, struct proc *procp, 691 struct mbuf **mrq)); 692int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 693 struct proc *procp, struct mbuf **mrq)); 694int nfsrv_readdir __P((struct nfsrv_descript *nfsd, 695 struct nfssvc_sock *slp, 696 struct proc *procp, struct mbuf **mrq)); 697int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 698 struct nfssvc_sock *slp, struct proc *procp, 699 struct mbuf **mrq)); 700int nfsrv_readlink __P((struct nfsrv_descript *nfsd, 701 struct nfssvc_sock *slp, struct proc *procp, 702 struct mbuf **mrq)); 703int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 704 struct proc *procp, struct mbuf **mrq)); 705int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 706 struct proc *procp, struct mbuf **mrq)); 707int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 708 struct proc *procp, struct mbuf **mrq)); 709int nfsrv_setattr __P((struct nfsrv_descript *nfsd, 710 struct nfssvc_sock *slp, 711 struct proc *procp, struct mbuf **mrq)); 712int nfsrv_statfs __P((struct nfsrv_descript *nfsd, 713 struct nfssvc_sock *slp, 714 struct proc *procp, struct mbuf **mrq)); 715int nfsrv_symlink __P((struct nfsrv_descript *nfsd, 716 struct nfssvc_sock *slp, 717 struct proc *procp, struct mbuf **mrq)); 718int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 719 struct proc *procp, struct mbuf **mrq)); 720void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 721void nfsrv_slpderef __P((struct nfssvc_sock *slp)); 722#endif /* KERNEL */ 723 724#endif 725