nfsargs.h revision 24330
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 1.22 1997/02/22 09:42:34 peter Exp $ 38 */ 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43/* 44 * Tunable constants for nfs 45 */ 46 47#ifdef KERNEL 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 5 /* Attribute cache timeout in sec */ 62#endif 63#ifndef NFS_MAXATTRTIMO 64#define NFS_MAXATTRTIMO 60 65#endif 66#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 67#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 68#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 69#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 70#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 71#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 72#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */ 73#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 74#ifndef NFS_GATHERDELAY 75#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 76#endif 77#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 78 79/* 80 * Oddballs 81 */ 82#define NMOD(a) ((a) % nfs_asyncdaemons) 83#define NFS_CMPFH(n, f, s) \ 84 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 85#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 86#define NFS_SRVMAXDATA(n) \ 87 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 88 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 89 90/* 91 * XXX 92 * The B_INVAFTERWRITE flag should be set to whatever is required by the 93 * buffer cache code to say "Invalidate the block after it is written back". 94 */ 95#ifdef __FreeBSD__ 96#define B_INVAFTERWRITE B_NOCACHE 97#else 98#define B_INVAFTERWRITE B_INVAL 99#endif 100 101/* 102 * The IO_METASYNC flag should be implemented for local file systems. 103 * (Until then, it is nothin at all.) 104 */ 105#ifndef IO_METASYNC 106#define IO_METASYNC 0 107#endif 108 109/* 110 * Set the attribute timeout based on how recently the file has been modified. 111 */ 112#define NFS_ATTRTIMEO(np) \ 113 ((((np)->n_flag & NMODIFIED) || \ 114 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 115 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 116 (time.tv_sec - (np)->n_mtime) / 10)) 117 118/* 119 * Expected allocation sizes for major data structures. If the actual size 120 * of the structure exceeds these sizes, then malloc() will be allocating 121 * almost twice the memory required. This is used in nfs_init() to warn 122 * the sysadmin that the size of a structure should be reduced. 123 * (These sizes are always a power of 2. If the kernel malloc() changes 124 * to one that does not allocate space in powers of 2 size, then this all 125 * becomes bunk!) 126 */ 127#define NFS_NODEALLOC 256 128#define NFS_MNTALLOC 512 129#define NFS_SVCALLOC 256 130#define NFS_UIDALLOC 128 131 132#endif /* KERNEL */ 133 134/* 135 * NFS mount option flags 136 */ 137#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 138#define NFSMNT_WSIZE 0x00000002 /* set write size */ 139#define NFSMNT_RSIZE 0x00000004 /* set read size */ 140#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 141#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 142#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 143#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 144#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 145#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 146#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 147#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 148#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 149#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 150#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 151#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 152#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 153#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 154#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 155#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ 156#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 157#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 158#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 159#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ 160#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ 161#define NFSMNT_DISMNT 0x00800000 /* Dismounted */ 162#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ 163#define NFSMNT_WANTSND 0x02000000 /* Want above */ 164#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ 165#define NFSMNT_WANTRCV 0x08000000 /* Want above */ 166#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ 167#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ 168#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ 169#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ 170 171/* 172 * Arguments to mount NFS 173 */ 174#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 175struct nfs_args { 176 int version; /* args structure version number */ 177 struct sockaddr *addr; /* file server address */ 178 int addrlen; /* length of address */ 179 int sotype; /* Socket type */ 180 int proto; /* and Protocol */ 181 u_char *fh; /* File handle to be mounted */ 182 int fhsize; /* Size, in bytes, of fh */ 183 int flags; /* flags */ 184 int wsize; /* write size in bytes */ 185 int rsize; /* read size in bytes */ 186 int readdirsize; /* readdir size in bytes */ 187 int timeo; /* initial timeout in .1 secs */ 188 int retrans; /* times to retry send */ 189 int maxgrouplist; /* Max. size of group list */ 190 int readahead; /* # of blocks to readahead */ 191 int leaseterm; /* Term (sec) of lease */ 192 int deadthresh; /* Retrans threshold */ 193 char *hostname; /* server's name */ 194}; 195 196/* 197 * NFS mount option flags 198 */ 199#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 200#define NFSMNT_WSIZE 0x00000002 /* set write size */ 201#define NFSMNT_RSIZE 0x00000004 /* set read size */ 202#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 203#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 204#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 205#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 206#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 207#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 208#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 209#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 210#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 211#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 212#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 213#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 214#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 215#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 216#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 217#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ 218#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 219#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 220#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 221#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ 222#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ 223#define NFSMNT_DISMNT 0x00800000 /* Dismounted */ 224#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ 225#define NFSMNT_WANTSND 0x02000000 /* Want above */ 226#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ 227#define NFSMNT_WANTRCV 0x08000000 /* Want above */ 228#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ 229#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ 230#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ 231#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ 232 233/* 234 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 235 * should ever try and use it. 236 */ 237struct nfsd_args { 238 int sock; /* Socket to serve */ 239 caddr_t name; /* Client addr for connection based sockets */ 240 int namelen; /* Length of name */ 241}; 242 243struct nfsd_srvargs { 244 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 245 uid_t nsd_uid; /* Effective uid mapped to cred */ 246 u_long nsd_haddr; /* Ip address of client */ 247 struct ucred nsd_cr; /* Cred. uid maps to */ 248 int nsd_authlen; /* Length of auth string (ret) */ 249 u_char *nsd_authstr; /* Auth string (ret) */ 250 int nsd_verflen; /* and the verfier */ 251 u_char *nsd_verfstr; 252 struct timeval nsd_timestamp; /* timestamp from verifier */ 253 u_long nsd_ttl; /* credential ttl (sec) */ 254 NFSKERBKEY_T nsd_key; /* Session key */ 255}; 256 257struct nfsd_cargs { 258 char *ncd_dirp; /* Mount dir path */ 259 uid_t ncd_authuid; /* Effective uid */ 260 int ncd_authtype; /* Type of authenticator */ 261 int ncd_authlen; /* Length of authenticator string */ 262 u_char *ncd_authstr; /* Authenticator string */ 263 int ncd_verflen; /* and the verifier */ 264 u_char *ncd_verfstr; 265 NFSKERBKEY_T ncd_key; /* Session key */ 266}; 267 268/* 269 * XXX to allow amd to include nfs.h without nfsproto.h 270 */ 271#ifdef NFS_NPROCS 272/* 273 * Stats structure 274 */ 275struct nfsstats { 276 int attrcache_hits; 277 int attrcache_misses; 278 int lookupcache_hits; 279 int lookupcache_misses; 280 int direofcache_hits; 281 int direofcache_misses; 282 int biocache_reads; 283 int read_bios; 284 int read_physios; 285 int biocache_writes; 286 int write_bios; 287 int write_physios; 288 int biocache_readlinks; 289 int readlink_bios; 290 int biocache_readdirs; 291 int readdir_bios; 292 int rpccnt[NFS_NPROCS]; 293 int rpcretries; 294 int srvrpccnt[NFS_NPROCS]; 295 int srvrpc_errs; 296 int srv_errs; 297 int rpcrequests; 298 int rpctimeouts; 299 int rpcunexpected; 300 int rpcinvalid; 301 int srvcache_inproghits; 302 int srvcache_idemdonehits; 303 int srvcache_nonidemdonehits; 304 int srvcache_misses; 305 int srvnqnfs_leases; 306 int srvnqnfs_maxleases; 307 int srvnqnfs_getleases; 308 int srvvop_writes; 309}; 310#endif 311 312/* 313 * Flags for nfssvc() system call. 314 */ 315#define NFSSVC_BIOD 0x002 316#define NFSSVC_NFSD 0x004 317#define NFSSVC_ADDSOCK 0x008 318#define NFSSVC_AUTHIN 0x010 319#define NFSSVC_GOTAUTH 0x040 320#define NFSSVC_AUTHINFAIL 0x080 321#define NFSSVC_MNTD 0x100 322 323/* 324 * fs.nfs sysctl(3) identifiers 325 */ 326#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 327#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 328 329#define FS_NFS_NAMES { \ 330 { 0, 0 }, \ 331 { "nfsstats", CTLTYPE_STRUCT }, \ 332 { "nfsprivport", CTLTYPE_INT }, \ 333} 334 335/* 336 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 337 * What should be in this set is open to debate, but I believe that since 338 * I/O system calls on ufs are never interrupted by signals the set should 339 * be minimal. My reasoning is that many current programs that use signals 340 * such as SIGALRM will not expect file I/O system calls to be interrupted 341 * by them and break. 342 */ 343#ifdef KERNEL 344 345struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 346 347#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 348 sigmask(SIGHUP)|sigmask(SIGQUIT)) 349 350/* 351 * Socket errors ignored for connectionless sockets?? 352 * For now, ignore them all 353 */ 354#define NFSIGNORE_SOERROR(s, e) \ 355 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 356 ((s) & PR_CONNREQUIRED) == 0) 357 358/* 359 * Nfs outstanding request list element 360 */ 361struct nfsreq { 362 TAILQ_ENTRY(nfsreq) r_chain; 363 struct mbuf *r_mreq; 364 struct mbuf *r_mrep; 365 struct mbuf *r_md; 366 caddr_t r_dpos; 367 struct nfsmount *r_nmp; 368 struct vnode *r_vp; 369 u_long r_xid; 370 int r_flags; /* flags on request, see below */ 371 int r_retry; /* max retransmission count */ 372 int r_rexmit; /* current retrans count */ 373 int r_timer; /* tick counter on reply */ 374 int r_procnum; /* NFS procedure number */ 375 int r_rtt; /* RTT for rpc */ 376 struct proc *r_procp; /* Proc that did I/O system call */ 377}; 378 379/* 380 * Queue head for nfsreq's 381 */ 382extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 383 384/* Flag values for r_flags */ 385#define R_TIMING 0x01 /* timing request (in mntp) */ 386#define R_SENT 0x02 /* request has been sent */ 387#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 388#define R_INTR 0x08 /* intr mnt, signal pending */ 389#define R_SOCKERR 0x10 /* Fatal error on socket */ 390#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 391#define R_MUSTRESEND 0x40 /* Must resend request */ 392#define R_GETONEREP 0x80 /* Probe for one reply only */ 393 394/* 395 * A list of nfssvc_sock structures is maintained with all the sockets 396 * that require service by the nfsd. 397 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 398 * and uid hash lists. 399 */ 400#ifndef NFS_UIDHASHSIZ 401#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 402#endif 403#define NUIDHASH(sock, uid) \ 404 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 405#ifndef NFS_WDELAYHASHSIZ 406#define NFS_WDELAYHASHSIZ 16 /* and with this */ 407#endif 408#define NWDELAYHASH(sock, f) \ 409 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 410#ifndef NFS_MUIDHASHSIZ 411#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 412#endif 413#define NMUIDHASH(nmp, uid) \ 414 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 415#define NFSNOHASH(fhsum) \ 416 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 417 418/* 419 * Network address hash list element 420 */ 421union nethostaddr { 422 u_long had_inetaddr; 423 struct mbuf *had_nam; 424}; 425 426struct nfsuid { 427 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 428 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 429 int nu_flag; /* Flags */ 430 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 431 struct ucred nu_cr; /* Cred uid mapped to */ 432 int nu_expire; /* Expiry time (sec) */ 433 struct timeval nu_timestamp; /* Kerb. timestamp */ 434 u_long nu_nickname; /* Nickname on server */ 435 NFSKERBKEY_T nu_key; /* and session key */ 436}; 437 438#define nu_inetaddr nu_haddr.had_inetaddr 439#define nu_nam nu_haddr.had_nam 440/* Bits for nu_flag */ 441#define NU_INETADDR 0x1 442#define NU_NAM 0x2 443#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 444 445struct nfssvc_sock { 446 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 447 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 448 struct file *ns_fp; 449 struct socket *ns_so; 450 struct mbuf *ns_nam; 451 struct mbuf *ns_raw; 452 struct mbuf *ns_rawend; 453 struct mbuf *ns_rec; 454 struct mbuf *ns_recend; 455 struct mbuf *ns_frag; 456 int ns_flag; 457 int ns_solock; 458 int ns_cc; 459 int ns_reclen; 460 int ns_numuids; 461 u_long ns_sref; 462 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 463 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 464 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 465}; 466 467/* Bits for "ns_flag" */ 468#define SLP_VALID 0x01 469#define SLP_DOREC 0x02 470#define SLP_NEEDQ 0x04 471#define SLP_DISCONN 0x08 472#define SLP_GETSTREAM 0x10 473#define SLP_LASTFRAG 0x20 474#define SLP_ALLFLAGS 0xff 475 476extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 477extern int nfssvc_sockhead_flag; 478#define SLP_INIT 0x01 479#define SLP_WANTINIT 0x02 480 481/* 482 * One of these structures is allocated for each nfsd. 483 */ 484struct nfsd { 485 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 486 int nfsd_flag; /* NFSD_ flags */ 487 struct nfssvc_sock *nfsd_slp; /* Current socket */ 488 int nfsd_authlen; /* Authenticator len */ 489 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 490 int nfsd_verflen; /* and the Verifier */ 491 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 492 struct proc *nfsd_procp; /* Proc ptr */ 493 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 494}; 495 496/* Bits for "nfsd_flag" */ 497#define NFSD_WAITING 0x01 498#define NFSD_REQINPROG 0x02 499#define NFSD_NEEDAUTH 0x04 500#define NFSD_AUTHFAIL 0x08 501 502/* 503 * This structure is used by the server for describing each request. 504 * Some fields are used only when write request gathering is performed. 505 */ 506struct nfsrv_descript { 507 u_quad_t nd_time; /* Write deadline (usec) */ 508 off_t nd_off; /* Start byte offset */ 509 off_t nd_eoff; /* and end byte offset */ 510 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 511 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 512 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 513 struct mbuf *nd_mrep; /* Request mbuf list */ 514 struct mbuf *nd_md; /* Current dissect mbuf */ 515 struct mbuf *nd_mreq; /* Reply mbuf list */ 516 struct mbuf *nd_nam; /* and socket addr */ 517 struct mbuf *nd_nam2; /* return socket addr */ 518 caddr_t nd_dpos; /* Current dissect pos */ 519 int nd_procnum; /* RPC # */ 520 int nd_stable; /* storage type */ 521 int nd_flag; /* nd_flag */ 522 int nd_len; /* Length of this write */ 523 int nd_repstat; /* Reply status */ 524 u_long nd_retxid; /* Reply xid */ 525 u_long nd_duration; /* Lease duration */ 526 struct timeval nd_starttime; /* Time RPC initiated */ 527 fhandle_t nd_fh; /* File handle */ 528 struct ucred nd_cr; /* Credentials */ 529}; 530 531/* Bits for "nd_flag" */ 532#define ND_READ LEASE_READ 533#define ND_WRITE LEASE_WRITE 534#define ND_CHECK 0x04 535#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 536#define ND_NFSV3 0x08 537#define ND_NQNFS 0x10 538#define ND_KERBNICK 0x20 539#define ND_KERBFULL 0x40 540#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 541 542extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 543extern int nfsd_head_flag; 544#define NFSD_CHECKSLP 0x01 545 546/* 547 * These macros compare nfsrv_descript structures. 548 */ 549#define NFSW_CONTIG(o, n) \ 550 ((o)->nd_eoff >= (n)->nd_off && \ 551 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 552 553#define NFSW_SAMECRED(o, n) \ 554 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 555 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 556 sizeof (struct ucred))) 557 558 559int nfs_init __P((struct vfsconf *vfsp)); 560int nfs_reply __P((struct nfsreq *)); 561int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 562int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *)); 563int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *)); 564int nfs_sndlock __P((int *,struct nfsreq *)); 565void nfs_sndunlock __P((int *flagp)); 566int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 567int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int)); 568int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *)); 569int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *)); 570int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *)); 571int nfs_asyncio __P((struct buf *,struct ucred *)); 572int nfs_doio __P((struct buf *,struct ucred *,struct proc *)); 573int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *)); 574int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *)); 575int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *)); 576int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 577void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *)); 578void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **)); 579void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **)); 580int netaddr_match __P((int,union nethostaddr *,struct mbuf *)); 581int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *)); 582int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *)); 583int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int)); 584void nfsm_adj __P((struct mbuf *,int,int)); 585int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *)); 586void nfsrv_initcache __P((void)); 587int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T)); 588int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int)); 589int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *)); 590int nfs_adv __P((struct mbuf **,caddr_t *,int,int)); 591void nfs_nhinit __P((void)); 592void nfs_timer __P((void*)); 593u_long nfs_hash __P((nfsfh_t *,int)); 594int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **)); 595int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **)); 596void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *)); 597void nfsrv_cleancache __P((void)); 598int nfs_connect __P((struct nfsmount *,struct nfsreq *)); 599void nfs_disconnect __P((struct nfsmount *)); 600int nfs_getattrcache __P((struct vnode *,struct vattr *)); 601int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long)); 602int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *)); 603int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *)); 604void nfsrv_init __P((int)); 605void nfs_clearcommit __P((struct mount *)); 606int nfsrv_errmap __P((struct nfsrv_descript *, int)); 607void nfsrvw_sort __P((gid_t [],int)); 608void nfsrv_setcred __P((struct ucred *,struct ucred *)); 609int nfs_writebp __P((struct buf *,int)); 610int nfsrv_object_create __P(( struct vnode * )); 611void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 612int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 613 struct proc *, struct mbuf **)); 614int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 615 struct proc *p)); 616 617int nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 618 struct proc *procp, struct mbuf **mrq)); 619int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 620 struct proc *procp, struct mbuf **mrq)); 621int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 622 struct proc *procp, struct mbuf **mrq)); 623int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **, 624 struct ucred *,struct nfssvc_sock *,struct mbuf *, 625 int *,int)); 626int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 627 struct proc *procp, struct mbuf **mrq)); 628int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 629 struct proc *procp, struct mbuf **mrq)); 630int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 631 struct proc *procp, struct mbuf **mrq)); 632int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 633 struct proc *procp, struct mbuf **mrq)); 634int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 635 struct proc *procp, struct mbuf **mrq)); 636int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 637 struct proc *procp, struct mbuf **mrq)); 638int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 639 struct proc *procp, struct mbuf **mrq)); 640int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 641 struct proc *procp, struct mbuf **mrq)); 642int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 643 struct nfssvc_sock *slp, struct proc *procp, 644 struct mbuf **mrq)); 645int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 646 struct proc *procp, struct mbuf **mrq)); 647int nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 648 struct proc *procp, struct mbuf **mrq)); 649int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 650 struct nfssvc_sock *slp, struct proc *procp, 651 struct mbuf **mrq)); 652int nfsrv_readlink __P((struct nfsrv_descript *nfsd, 653 struct nfssvc_sock *slp, struct proc *procp, 654 struct mbuf **mrq)); 655int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 656 struct proc *procp, struct mbuf **mrq)); 657int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 658 struct proc *procp, struct mbuf **mrq)); 659int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 660 struct proc *procp, struct mbuf **mrq)); 661int nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 662 struct proc *procp, struct mbuf **mrq)); 663int nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 664 struct proc *procp, struct mbuf **mrq)); 665int nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 666 struct proc *procp, struct mbuf **mrq)); 667int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 668 struct proc *procp, struct mbuf **mrq)); 669void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 670void nfsrv_slpderef __P((struct nfssvc_sock *slp)); 671#endif /* KERNEL */ 672 673#endif 674