nfsargs.h revision 37291
11590Srgrimes/* 21590Srgrimes * Copyright (c) 1989, 1993, 1995 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * This code is derived from software contributed to Berkeley by 61590Srgrimes * Rick Macklem at The University of Guelph. 71590Srgrimes * 81590Srgrimes * Redistribution and use in source and binary forms, with or without 91590Srgrimes * modification, are permitted provided that the following conditions 101590Srgrimes * are met: 111590Srgrimes * 1. Redistributions of source code must retain the above copyright 121590Srgrimes * notice, this list of conditions and the following disclaimer. 131590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141590Srgrimes * notice, this list of conditions and the following disclaimer in the 151590Srgrimes * documentation and/or other materials provided with the distribution. 161590Srgrimes * 3. All advertising materials mentioning features or use of this software 171590Srgrimes * must display the following acknowledgement: 181590Srgrimes * This product includes software developed by the University of 191590Srgrimes * California, Berkeley and its contributors. 201590Srgrimes * 4. Neither the name of the University nor the names of its contributors 211590Srgrimes * may be used to endorse or promote products derived from this software 221590Srgrimes * without specific prior written permission. 231590Srgrimes * 241590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3127443Scharnier * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341590Srgrimes * SUCH DAMAGE. 351590Srgrimes * 361590Srgrimes * @(#)nfs.h 8.4 (Berkeley) 5/1/95 3727443Scharnier * $Id: nfs.h,v 1.41 1998/06/30 03:01:37 jmg Exp $ 381590Srgrimes */ 3927443Scharnier 401590Srgrimes#ifndef _NFS_NFS_H_ 4199112Sobrien#define _NFS_NFS_H_ 4299112Sobrien 431590Srgrimes#ifdef KERNEL 4455206Speter#include "opt_nfs.h" 452215Scsgr#endif 462215Scsgr 4755206Speter/* 481590Srgrimes * Tunable constants for nfs 49251073Spjd */ 501590Srgrimes 51100824Sdwmalone#define NFS_MAXIOVEC 34 521590Srgrimes#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 53100824Sdwmalone#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 541590Srgrimes#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 551590Srgrimes#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 561590Srgrimes#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 57165758Srodrigc#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 58176471Sdes#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 59219043Sdchagin#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 60176471Sdes#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 61219043Sdchagin#define NFS_MAXGRPS 16 /* Max. size of groups list */ 62176471Sdes#ifndef NFS_MINATTRTIMO 63176471Sdes#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 64176471Sdes#endif 65176471Sdes#ifndef NFS_MAXATTRTIMO 66176471Sdes#define NFS_MAXATTRTIMO 60 67176471Sdes#endif 68176471Sdes#ifndef NFS_MINDIRATTRTIMO 69190168Sdelphij#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 70176471Sdes#endif 71190168Sdelphij#ifndef NFS_MAXDIRATTRTIMO 72165916Sjhb#define NFS_MAXDIRATTRTIMO 60 7327443Scharnier#endif 74176471Sdes#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 75176471Sdes#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 7627443Scharnier#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 77251486Sae#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 78251073Spjd#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 79176471Sdes#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 801590Srgrimes#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 811590Srgrimes#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 821590Srgrimes#ifndef NFS_GATHERDELAY 83251073Spjd#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 84176471Sdes#endif 8527443Scharnier#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 8627443Scharnier#ifdef KERNEL 871590Srgrimes#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 88158766Snetchild#endif 891590Srgrimes 90219043Sdchagin/* 91219043Sdchagin * Oddballs 92100824Sdwmalone */ 93100824Sdwmalone#define NMOD(a) ((a) % nfs_asyncdaemons) 94219043Sdchagin#define NFS_CMPFH(n, f, s) \ 95219043Sdchagin ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 96100824Sdwmalone#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 97115759Speter#define NFS_SRVMAXDATA(n) \ 98115759Speter (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 99100824Sdwmalone NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 100219138Sdchagin 101100824Sdwmalone/* 102234494Sjhb * XXX 103226329Sdes * The B_INVAFTERWRITE flag should be set to whatever is required by the 104226329Sdes * buffer cache code to say "Invalidate the block after it is written back". 105100824Sdwmalone */ 106176471Sdes#define B_INVAFTERWRITE B_NOCACHE 107176471Sdes 108176471Sdes/* 109226269Sdes * The IO_METASYNC flag should be implemented for local file systems. 110233925Sjhb * (Until then, it is nothin at all.) 111233925Sjhb */ 112251073Spjd#ifndef IO_METASYNC 113100824Sdwmalone#define IO_METASYNC 0 114226157Sdes#endif 115100824Sdwmalone 116176471Sdes/* 117219043Sdchagin * Expected allocation sizes for major data structures. If the actual size 118100824Sdwmalone * of the structure exceeds these sizes, then malloc() will be allocating 1191590Srgrimes * almost twice the memory required. This is used in nfs_init() to warn 1201590Srgrimes * the sysadmin that the size of a structure should be reduced. 121176471Sdes * (These sizes are always a power of 2. If the kernel malloc() changes 1221590Srgrimes * to one that does not allocate space in powers of 2 size, then this all 1231590Srgrimes * becomes bunk!) 124226262Sdes */ 125226262Sdes#define NFS_SVCALLOC 256 126226262Sdes#define NFS_UIDALLOC 128 127226262Sdes 128226262Sdes/* 129226262Sdes * Arguments to mount NFS 130226262Sdes */ 131226262Sdes#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 132226164Sdesstruct nfs_args { 133219138Sdchagin int version; /* args structure version number */ 134219138Sdchagin struct sockaddr *addr; /* file server address */ 135219138Sdchagin int addrlen; /* length of address */ 136219138Sdchagin int sotype; /* Socket type */ 137219138Sdchagin int proto; /* and Protocol */ 138219138Sdchagin u_char *fh; /* File handle to be mounted */ 139219138Sdchagin int fhsize; /* Size, in bytes, of fh */ 140219138Sdchagin int flags; /* flags */ 141219138Sdchagin int wsize; /* write size in bytes */ 142219138Sdchagin int rsize; /* read size in bytes */ 143219138Sdchagin int readdirsize; /* readdir size in bytes */ 144219138Sdchagin int timeo; /* initial timeout in .1 secs */ 145219138Sdchagin int retrans; /* times to retry send */ 146219138Sdchagin int maxgrouplist; /* Max. size of group list */ 147219138Sdchagin int readahead; /* # of blocks to readahead */ 148219138Sdchagin int leaseterm; /* Term (sec) of lease */ 149219138Sdchagin int deadthresh; /* Retrans threshold */ 150219138Sdchagin char *hostname; /* server's name */ 151219138Sdchagin int acregmin; /* cache attrs for reg files min time */ 152219138Sdchagin int acregmax; /* cache attrs for reg files max time */ 153219138Sdchagin int acdirmin; /* cache attrs for dirs min time */ 154219138Sdchagin int acdirmax; /* cache attrs for dirs max time */ 155219138Sdchagin}; 156219138Sdchagin 157219138Sdchagin/* 158219138Sdchagin * NFS mount option flags 159219043Sdchagin */ 160219043Sdchagin#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 161219043Sdchagin#define NFSMNT_WSIZE 0x00000002 /* set write size */ 162219043Sdchagin#define NFSMNT_RSIZE 0x00000004 /* set read size */ 163219043Sdchagin#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 164219043Sdchagin#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 165219043Sdchagin#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 166219043Sdchagin#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 167219043Sdchagin#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 168100824Sdwmalone#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 169100824Sdwmalone#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 1701590Srgrimes#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 1711590Srgrimes#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 172100824Sdwmalone#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 1731590Srgrimes#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 174112201Sjhb#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 175115759Speter#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 176219043Sdchagin#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 1771590Srgrimes#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 178226153Sdes#define NFSMNT_ACREGMIN 0x00040000 17911823Sache#define NFSMNT_ACREGMAX 0x00080000 180219043Sdchagin#define NFSMNT_ACDIRMIN 0x00100000 181226153Sdes#define NFSMNT_ACDIRMAX 0x00200000 182219043Sdchagin 183219043Sdchagin#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 184219043Sdchagin#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 1851590Srgrimes#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 1861590Srgrimes#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 1871590Srgrimes#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 1881590Srgrimes#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 1891590Srgrimes#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 1901590Srgrimes#define NFSSTA_WANTSND 0x02000000 /* Want above */ 1911590Srgrimes#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 1921590Srgrimes#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 1931590Srgrimes#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 1941590Srgrimes#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 1951590Srgrimes#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 1961590Srgrimes#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 1971590Srgrimes 1981590Srgrimes/* 1991590Srgrimes * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 200115759Speter * should ever try and use it. 201115759Speter */ 202115759Speterstruct nfsd_args { 203176471Sdes int sock; /* Socket to serve */ 204176471Sdes caddr_t name; /* Client addr for connection based sockets */ 205176471Sdes int namelen; /* Length of name */ 206152331Srwatson}; 207152331Srwatson 208152331Srwatsonstruct nfsd_srvargs { 209123187Speter struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 210123187Speter uid_t nsd_uid; /* Effective uid mapped to cred */ 211123187Speter u_int32_t nsd_haddr; /* Ip address of client */ 212151930Srwatson struct ucred nsd_cr; /* Cred. uid maps to */ 213151930Srwatson int nsd_authlen; /* Length of auth string (ret) */ 214151930Srwatson u_char *nsd_authstr; /* Auth string (ret) */ 2151590Srgrimes int nsd_verflen; /* and the verfier */ 2161590Srgrimes u_char *nsd_verfstr; 2171590Srgrimes struct timeval nsd_timestamp; /* timestamp from verifier */ 2181590Srgrimes u_int32_t nsd_ttl; /* credential ttl (sec) */ 2191590Srgrimes NFSKERBKEY_T nsd_key; /* Session key */ 2201590Srgrimes}; 2211590Srgrimes 2221590Srgrimesstruct nfsd_cargs { 22327443Scharnier char *ncd_dirp; /* Mount dir path */ 22427443Scharnier uid_t ncd_authuid; /* Effective uid */ 2251590Srgrimes int ncd_authtype; /* Type of authenticator */ 2261590Srgrimes int ncd_authlen; /* Length of authenticator string */ 2271590Srgrimes u_char *ncd_authstr; /* Authenticator string */ 2281590Srgrimes int ncd_verflen; /* and the verifier */ 2291590Srgrimes u_char *ncd_verfstr; 23019853Sfenner NFSKERBKEY_T ncd_key; /* Session key */ 2311590Srgrimes}; 2321590Srgrimes 233226153Sdes/* 23427443Scharnier * XXX to allow amd to include nfs.h without nfsproto.h 23527443Scharnier */ 23627443Scharnier#ifdef NFS_NPROCS 23727443Scharnier/* 238251073Spjd * Stats structure 239251073Spjd */ 240251073Spjdstruct nfsstats { 241251073Spjd int attrcache_hits; 242251073Spjd int attrcache_misses; 243251073Spjd int lookupcache_hits; 244251167Spjd int lookupcache_misses; 245251167Spjd int direofcache_hits; 246251167Spjd int direofcache_misses; 247251167Spjd int biocache_reads; 248251073Spjd int read_bios; 249251073Spjd int read_physios; 250251073Spjd int biocache_writes; 251251073Spjd int write_bios; 252219043Sdchagin int write_physios; 253112201Sjhb int biocache_readlinks; 2541590Srgrimes int readlink_bios; 255112201Sjhb int biocache_readdirs; 256112201Sjhb int readdir_bios; 257151930Srwatson int rpccnt[NFS_NPROCS]; 258226153Sdes int rpcretries; 259203551Sjh int srvrpccnt[NFS_NPROCS]; 260203551Sjh int srvrpc_errs; 261203551Sjh int srv_errs; 262203551Sjh int rpcrequests; 263203551Sjh int rpctimeouts; 264151930Srwatson int rpcunexpected; 265151930Srwatson int rpcinvalid; 266226153Sdes int srvcache_inproghits; 267203551Sjh int srvcache_idemdonehits; 268112201Sjhb int srvcache_nonidemdonehits; 269112201Sjhb int srvcache_misses; 270112201Sjhb int srvnqnfs_leases; 271112201Sjhb int srvnqnfs_maxleases; 2721590Srgrimes int srvnqnfs_getleases; 273236577Sjhb int srvvop_writes; 274236577Sjhb}; 275115759Speter#endif 27627443Scharnier 27727443Scharnier/* 2781590Srgrimes * Flags for nfssvc() system call. 279226153Sdes */ 28027443Scharnier#define NFSSVC_BIOD 0x002 28127443Scharnier#define NFSSVC_NFSD 0x004 2821590Srgrimes#define NFSSVC_ADDSOCK 0x008 2831590Srgrimes#define NFSSVC_AUTHIN 0x010 28427443Scharnier#define NFSSVC_GOTAUTH 0x040 28527443Scharnier#define NFSSVC_AUTHINFAIL 0x080 286219043Sdchagin#define NFSSVC_MNTD 0x100 287219043Sdchagin 288219043Sdchagin/* 289236577Sjhb * fs.nfs sysctl(3) identifiers 290236577Sjhb */ 291115759Speter#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 2921590Srgrimes#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 2931590Srgrimes 294112201Sjhb#define FS_NFS_NAMES { \ 2951590Srgrimes { 0, 0 }, \ 2961590Srgrimes { "nfsstats", CTLTYPE_STRUCT }, \ 297219138Sdchagin { "nfsprivport", CTLTYPE_INT }, \ 298219138Sdchagin} 299219138Sdchagin 300219138Sdchagin#ifdef KERNEL 301219138Sdchagin 302219138Sdchagin#ifdef MALLOC_DECLARE 3031590SrgrimesMALLOC_DECLARE(M_NFSREQ); 3041590SrgrimesMALLOC_DECLARE(M_NFSDIROFF); 305219138SdchaginMALLOC_DECLARE(M_NFSRVDESC); 306219138SdchaginMALLOC_DECLARE(M_NFSUID); 307219138SdchaginMALLOC_DECLARE(M_NQLEASE); 308219138SdchaginMALLOC_DECLARE(M_NFSD); 309219138SdchaginMALLOC_DECLARE(M_NFSBIGFH); 310219138SdchaginMALLOC_DECLARE(M_NFSHASH); 3111590Srgrimes#endif 3121590Srgrimes 313189707Sjhb#ifdef ZONE_INTERRUPT 3141590Srgrimesextern vm_zone_t nfsmount_zone; 3151590Srgrimes#endif 3161590Srgrimes 3171590Srgrimesstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 3181590Srgrimes 3191590Srgrimes/* 320219138Sdchagin * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 3211590Srgrimes * What should be in this set is open to debate, but I believe that since 3221590Srgrimes * I/O system calls on ufs are never interrupted by signals the set should 323234494Sjhb * be minimal. My reasoning is that many current programs that use signals 324234494Sjhb * such as SIGALRM will not expect file I/O system calls to be interrupted 325234494Sjhb * by them and break. 326234494Sjhb */ 3271590Srgrimes#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 32818400Sphk sigmask(SIGHUP)|sigmask(SIGQUIT)) 32918470Sphk 33018400Sphk/* 331176471Sdes * Socket errors ignored for connectionless sockets?? 332176471Sdes * For now, ignore them all 333176471Sdes */ 334226269Sdes#define NFSIGNORE_SOERROR(s, e) \ 335226269Sdes ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 336233925Sjhb ((s) & PR_CONNREQUIRED) == 0) 337233925Sjhb 338233925Sjhb/* 339233925Sjhb * Nfs outstanding request list element 340233925Sjhb */ 341233925Sjhbstruct nfsreq { 342233925Sjhb TAILQ_ENTRY(nfsreq) r_chain; 343112203Sjhb struct mbuf *r_mreq; 344112203Sjhb struct mbuf *r_mrep; 345112203Sjhb struct mbuf *r_md; 3461590Srgrimes caddr_t r_dpos; 3471590Srgrimes struct nfsmount *r_nmp; 348226153Sdes struct vnode *r_vp; 3491590Srgrimes u_int32_t r_xid; 350100824Sdwmalone int r_flags; /* flags on request, see below */ 3511590Srgrimes int r_retry; /* max retransmission count */ 3521590Srgrimes int r_rexmit; /* current retrans count */ 353251073Spjd int r_timer; /* tick counter on reply */ 354251073Spjd u_int32_t r_procnum; /* NFS procedure number */ 355251073Spjd int r_rtt; /* RTT for rpc */ 356251073Spjd struct proc *r_procp; /* Proc that did I/O system call */ 357251073Spjd}; 358251073Spjd 359251073Spjd/* 360251073Spjd * Queue head for nfsreq's 361251073Spjd */ 362251073Spjdextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 363251073Spjd 364251073Spjd/* Flag values for r_flags */ 365251073Spjd#define R_TIMING 0x01 /* timing request (in mntp) */ 366251073Spjd#define R_SENT 0x02 /* request has been sent */ 367251073Spjd#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 368251073Spjd#define R_INTR 0x08 /* intr mnt, signal pending */ 369251073Spjd#define R_SOCKERR 0x10 /* Fatal error on socket */ 370251073Spjd#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 371251073Spjd#define R_MUSTRESEND 0x40 /* Must resend request */ 372251073Spjd#define R_GETONEREP 0x80 /* Probe for one reply only */ 373251073Spjd 374251073Spjd/* 375251073Spjd * A list of nfssvc_sock structures is maintained with all the sockets 376251073Spjd * that require service by the nfsd. 377251073Spjd * The nfsuid structs hang off of the nfssvc_sock structs in both lru 378251073Spjd * and uid hash lists. 379251073Spjd */ 380251073Spjd#ifndef NFS_UIDHASHSIZ 381251073Spjd#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 382251073Spjd#endif 383251073Spjd#define NUIDHASH(sock, uid) \ 384251073Spjd (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 385251073Spjd#ifndef NFS_WDELAYHASHSIZ 386251073Spjd#define NFS_WDELAYHASHSIZ 16 /* and with this */ 387100824Sdwmalone#endif 388100824Sdwmalone#define NWDELAYHASH(sock, f) \ 3891590Srgrimes (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 3901590Srgrimes#ifndef NFS_MUIDHASHSIZ 3911590Srgrimes#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 3921590Srgrimes#endif 393226153Sdes#define NMUIDHASH(nmp, uid) \ 3941590Srgrimes (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 3951590Srgrimes#define NFSNOHASH(fhsum) \ 3961590Srgrimes (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 3971590Srgrimes 3981590Srgrimes/* 399219043Sdchagin * Network address hash list element 400219043Sdchagin */ 401219043Sdchaginunion nethostaddr { 402219043Sdchagin u_int32_t had_inetaddr; 403219043Sdchagin struct sockaddr *had_nam; 404219043Sdchagin}; 405219043Sdchagin 406219043Sdchaginstruct nfsuid { 407219043Sdchagin TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 408219043Sdchagin LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 409219043Sdchagin int nu_flag; /* Flags */ 410219043Sdchagin union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 411219043Sdchagin struct ucred nu_cr; /* Cred uid mapped to */ 412219043Sdchagin int nu_expire; /* Expiry time (sec) */ 413219043Sdchagin struct timeval nu_timestamp; /* Kerb. timestamp */ 414219043Sdchagin u_int32_t nu_nickname; /* Nickname on server */ 415219043Sdchagin NFSKERBKEY_T nu_key; /* and session key */ 416219043Sdchagin}; 417219043Sdchagin 418219043Sdchagin#define nu_inetaddr nu_haddr.had_inetaddr 419219043Sdchagin#define nu_nam nu_haddr.had_nam 420219043Sdchagin/* Bits for nu_flag */ 421219043Sdchagin#define NU_INETADDR 0x1 422219043Sdchagin#define NU_NAM 0x2 423219043Sdchagin#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 424219043Sdchagin 425219043Sdchaginstruct nfsrv_rec { 426219043Sdchagin STAILQ_ENTRY(nfsrv_rec) nr_link; 427219043Sdchagin struct sockaddr *nr_address; 428219043Sdchagin struct mbuf *nr_packet; 429219043Sdchagin}; 430219043Sdchagin 431219043Sdchaginstruct nfssvc_sock { 432219043Sdchagin TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 433219043Sdchagin TAILQ_HEAD(, nfsuid) ns_uidlruhead; 434219043Sdchagin struct file *ns_fp; 435219043Sdchagin struct socket *ns_so; 436219043Sdchagin struct sockaddr *ns_nam; 437219043Sdchagin struct mbuf *ns_raw; 438219043Sdchagin struct mbuf *ns_rawend; 439219043Sdchagin STAILQ_HEAD(, nfsrv_rec) ns_rec; 440219043Sdchagin struct mbuf *ns_frag; 441219043Sdchagin int ns_flag; 442219043Sdchagin int ns_solock; 443219043Sdchagin int ns_cc; 444219043Sdchagin int ns_reclen; 445219043Sdchagin int ns_numuids; 446219043Sdchagin u_int32_t ns_sref; 447219043Sdchagin LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 448219043Sdchagin LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 449219043Sdchagin LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 450219043Sdchagin}; 451219043Sdchagin 452219043Sdchagin/* Bits for "ns_flag" */ 453219043Sdchagin#define SLP_VALID 0x01 454219043Sdchagin#define SLP_DOREC 0x02 455219043Sdchagin#define SLP_NEEDQ 0x04 456219043Sdchagin#define SLP_DISCONN 0x08 457219043Sdchagin#define SLP_GETSTREAM 0x10 458219043Sdchagin#define SLP_LASTFRAG 0x20 459219043Sdchagin#define SLP_ALLFLAGS 0xff 460219043Sdchagin 461219043Sdchaginextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 462219043Sdchaginextern int nfssvc_sockhead_flag; 463219043Sdchagin#define SLP_INIT 0x01 464219043Sdchagin#define SLP_WANTINIT 0x02 465219043Sdchagin 466219043Sdchagin/* 467219043Sdchagin * One of these structures is allocated for each nfsd. 468219043Sdchagin */ 469219043Sdchaginstruct nfsd { 470219043Sdchagin TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 471219043Sdchagin int nfsd_flag; /* NFSD_ flags */ 472219043Sdchagin struct nfssvc_sock *nfsd_slp; /* Current socket */ 473219043Sdchagin int nfsd_authlen; /* Authenticator len */ 474219043Sdchagin u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 475219043Sdchagin int nfsd_verflen; /* and the Verifier */ 476219043Sdchagin u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 477100824Sdwmalone struct proc *nfsd_procp; /* Proc ptr */ 478100824Sdwmalone struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 4791590Srgrimes}; 4801590Srgrimes 4811590Srgrimes/* Bits for "nfsd_flag" */ 482100824Sdwmalone#define NFSD_WAITING 0x01 4831590Srgrimes#define NFSD_REQINPROG 0x02 4841590Srgrimes#define NFSD_NEEDAUTH 0x04 4851590Srgrimes#define NFSD_AUTHFAIL 0x08 4861590Srgrimes 4871590Srgrimes/* 4881590Srgrimes * This structure is used by the server for describing each request. 4891590Srgrimes * Some fields are used only when write request gathering is performed. 4901590Srgrimes */ 4911590Srgrimesstruct nfsrv_descript { 4921590Srgrimes u_quad_t nd_time; /* Write deadline (usec) */ 4931590Srgrimes off_t nd_off; /* Start byte offset */ 4941590Srgrimes off_t nd_eoff; /* and end byte offset */ 4951590Srgrimes LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 4961590Srgrimes LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 4971590Srgrimes LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 4981590Srgrimes struct mbuf *nd_mrep; /* Request mbuf list */ 4991590Srgrimes struct mbuf *nd_md; /* Current dissect mbuf */ 5001590Srgrimes struct mbuf *nd_mreq; /* Reply mbuf list */ 501171333Sjhb struct sockaddr *nd_nam; /* and socket addr */ 5021590Srgrimes struct sockaddr *nd_nam2; /* return socket addr */ 50318400Sphk caddr_t nd_dpos; /* Current dissect pos */ 50418400Sphk u_int32_t nd_procnum; /* RPC # */ 50518400Sphk int nd_stable; /* storage type */ 506176471Sdes int nd_flag; /* nd_flag */ 507176471Sdes int nd_len; /* Length of this write */ 508176471Sdes int nd_repstat; /* Reply status */ 509189707Sjhb u_int32_t nd_retxid; /* Reply xid */ 510189707Sjhb u_int32_t nd_duration; /* Lease duration */ 511189707Sjhb struct timeval nd_starttime; /* Time RPC initiated */ 512219043Sdchagin fhandle_t nd_fh; /* File handle */ 513219043Sdchagin struct ucred nd_cr; /* Credentials */ 514219043Sdchagin}; 515219043Sdchagin 516226269Sdes/* Bits for "nd_flag" */ 517226269Sdes#define ND_READ LEASE_READ 518226269Sdes#define ND_WRITE LEASE_WRITE 519233925Sjhb#define ND_CHECK 0x04 520233925Sjhb#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 521233925Sjhb#define ND_NFSV3 0x08 522233925Sjhb#define ND_NQNFS 0x10 523233925Sjhb#define ND_KERBNICK 0x20 524233925Sjhb#define ND_KERBFULL 0x40 5251590Srgrimes#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 526226153Sdes 5271590Srgrimesextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 5281590Srgrimesextern int nfsd_head_flag; 5291590Srgrimes#define NFSD_CHECKSLP 0x01 530151930Srwatson 531151930Srwatson/* 532151930Srwatson * These macros compare nfsrv_descript structures. 533151930Srwatson */ 534151930Srwatson#define NFSW_CONTIG(o, n) \ 535151930Srwatson ((o)->nd_eoff >= (n)->nd_off && \ 536151930Srwatson !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 537151930Srwatson 538151930Srwatson#define NFSW_SAMECRED(o, n) \ 539226153Sdes (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 540203551Sjh !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 541203551Sjh sizeof (struct ucred))) 542151930Srwatson 543226153Sdes/* 544151930Srwatson * Defines for WebNFS 5451590Srgrimes */ 546123187Speter 547123187Speter#define WEBNFS_ESC_CHAR '%' 548123187Speter#define WEBNFS_SPECCHAR_START 0x80 549123187Speter 550123187Speter#define WEBNFS_NATIVE_CHAR 0x80 5511590Srgrimes/* 5521590Srgrimes * .. 5531590Srgrimes * Possibly more here in the future. 5541590Srgrimes */ 5551590Srgrimes 556226153Sdes/* 557203551Sjh * Macro for converting escape characters in WebNFS pathnames. 5581590Srgrimes * Should really be in libkern. 559226153Sdes */ 5601590Srgrimes 5611590Srgrimes#define HEXTOC(c) \ 5621590Srgrimes ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 5631590Srgrimes ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 5644721Sphk#define HEXSTRTOI(p) \ 5651590Srgrimes ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 5661590Srgrimes 5671590Srgrimes#ifdef NFS_DEBUG 568100824Sdwmalone 569219043Sdchaginextern int nfs_debug; 5701590Srgrimes#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 571100824Sdwmalone#define NFS_DEBUG_WG 2 /* server write gathering */ 572100824Sdwmalone#define NFS_DEBUG_RC 4 /* server request caching */ 573226269Sdes 5741590Srgrimes#define NFS_DPF(cat, args) \ 575219043Sdchagin do { \ 576219043Sdchagin if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 577226153Sdes } while (0) 5781590Srgrimes 579226153Sdes#else 58047957Sdt 5811590Srgrimes#define NFS_DPF(cat, args) 5821590Srgrimes 583219043Sdchagin#endif 584219043Sdchagin 585226148Sdesu_quad_t nfs_curusec __P((void)); 586226148Sdesint nfs_init __P((struct vfsconf *vfsp)); 587226150Sdesint nfs_reply __P((struct nfsreq *)); 588226157Sdesint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 589226157Sdesint nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 5901590Srgrimes struct nfsreq *)); 5911590Srgrimesint nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 5921590Srgrimes int, int, u_quad_t *, struct mbuf **, struct mbuf **, 593226148Sdes caddr_t *)); 594226148Sdesint nfs_sndlock __P((int *, int *, struct nfsreq *)); 595226148Sdesvoid nfs_sndunlock __P((int *, int *)); 596226153Sdesint nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 597226164Sdesint nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 5981590Srgrimes int)); 5991590Srgrimesint nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 6001590Srgrimesint nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 601226148Sdes int *)); 602226148Sdesint nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 603226148Sdesint nfs_asyncio __P((struct buf *, struct ucred *)); 604226150Sdesint nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 605226153Sdesint nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 606226164Sdesint nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 607158766Snetchildint nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 608158766Snetchildint nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 609226148Sdesvoid nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 610226148Sdes struct nfs_fattr *)); 611226150Sdesvoid nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 612226153Sdes struct vattr *, struct mbuf **, char **)); 613226164Sdesvoid nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 614226148Sdes struct mbuf **, char **)); 615226148Sdesint netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 616226148Sdesint nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 617226148Sdes struct ucred *, struct mbuf **, struct mbuf **, 618226150Sdes caddr_t *)); 619226150Sdesint nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 620226153Sdes struct vattr *)); 621226164Sdesint nfs_namei __P((struct nameidata *, fhandle_t *, int, 622158766Snetchild struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 623158766Snetchild caddr_t *, struct vnode **, struct proc *, int, int)); 624226148Sdesvoid nfsm_adj __P((struct mbuf *, int, int)); 625226148Sdesint nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 626226148Sdesvoid nfsrv_initcache __P((void)); 627226148Sdesint nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 628226150Sdes char **, int *, char *, int *, NFSKERBKEY_T)); 629226153Sdesint nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 630226164Sdes int *, char *, int)); 631158766Snetchildint nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 632158766Snetchild NFSKERBKEY_T, struct mbuf **, char **, 633226148Sdes struct mbuf *)); 634226148Sdesint nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 635226150Sdesvoid nfs_nhinit __P((void)); 636226153Sdesvoid nfs_timer __P((void*)); 637226164Sdesu_long nfs_hash __P((nfsfh_t *, int)); 638158766Snetchildint nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 639158766Snetchild struct nfsrv_descript **)); 640226148Sdesint nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 641226148Sdes struct mbuf **)); 642226150Sdesvoid nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 643226150Sdesvoid nfsrv_cleancache __P((void)); 644226153Sdesint nfs_connect __P((struct nfsmount *, struct nfsreq *)); 645226164Sdesvoid nfs_disconnect __P((struct nfsmount *)); 646158766Snetchildvoid nfs_safedisconnect __P((struct nfsmount *)); 647158766Snetchildint nfs_getattrcache __P((struct vnode *, struct vattr *)); 648226148Sdesint nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 649226148Sdesint nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 650226150Sdes int)); 651226150Sdesint nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 652226153Sdesvoid nfsrv_init __P((int)); 653226164Sdesvoid nfs_clearcommit __P((struct mount *)); 654158766Snetchildint nfsrv_errmap __P((struct nfsrv_descript *, int)); 655158766Snetchildvoid nfsrvw_sort __P((gid_t *, int)); 656226148Sdesvoid nfsrv_setcred __P((struct ucred *, struct ucred *)); 657226148Sdesint nfs_writebp __P((struct buf *, int)); 658226150Sdesint nfsrv_object_create __P((struct vnode *)); 659226153Sdesvoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 660226164Sdesint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 661158766Snetchild struct proc *, struct mbuf **)); 662158766Snetchildint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 663226148Sdes struct proc *p)); 664226148Sdes 665226148Sdesint nfsrv3_access __P((struct nfsrv_descript *nfsd, 666226150Sdes struct nfssvc_sock *slp, 667226150Sdes struct proc *procp, struct mbuf **mrq)); 668226153Sdesint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 669226164Sdes struct proc *procp, struct mbuf **mrq)); 670158766Snetchildint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 671158766Snetchild struct proc *procp, struct mbuf **mrq)); 672226148Sdesint nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 673226148Sdes struct nfssvc_sock *, struct sockaddr *, int *, 674226148Sdes int, int)); 675226150Sdesint nfsrv_setpublicfs __P((struct mount *, struct netexport *, 676226150Sdes struct export_args *)); 677226150Sdesint nfs_ispublicfh __P((fhandle_t *)); 678226153Sdesint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 679226164Sdes struct proc *procp, struct mbuf **mrq)); 680158766Snetchildint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 681158766Snetchild struct proc *procp, struct mbuf **mrq)); 682226148Sdesint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 683226148Sdes struct proc *procp, struct mbuf **mrq)); 684226148Sdesint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 685226148Sdes struct proc *procp, struct mbuf **mrq)); 686226150Sdesint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 687226153Sdes struct proc *procp, struct mbuf **mrq)); 688226164Sdesint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 689158766Snetchild struct proc *procp, struct mbuf **mrq)); 690158766Snetchildint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 691226148Sdes struct proc *procp, struct mbuf **mrq)); 692226148Sdesint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 693226150Sdes struct proc *procp, struct mbuf **mrq)); 694226153Sdesint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 695226164Sdes struct nfssvc_sock *slp, struct proc *procp, 696158766Snetchild struct mbuf **mrq)); 697158766Snetchildint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 698226148Sdes struct proc *procp, struct mbuf **mrq)); 699226148Sdesint nfsrv_readdir __P((struct nfsrv_descript *nfsd, 700226153Sdes struct nfssvc_sock *slp, 701226164Sdes struct proc *procp, struct mbuf **mrq)); 702158766Snetchildint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 703158766Snetchild struct nfssvc_sock *slp, struct proc *procp, 704226148Sdes struct mbuf **mrq)); 705226148Sdesint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 706226153Sdes struct nfssvc_sock *slp, struct proc *procp, 707226164Sdes struct mbuf **mrq)); 708158766Snetchildint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 709158766Snetchild struct proc *procp, struct mbuf **mrq)); 710226148Sdesint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 711226148Sdes struct proc *procp, struct mbuf **mrq)); 712226150Sdesint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 713226150Sdes struct proc *procp, struct mbuf **mrq)); 714226153Sdesint nfsrv_setattr __P((struct nfsrv_descript *nfsd, 715226164Sdes struct nfssvc_sock *slp, 716158766Snetchild struct proc *procp, struct mbuf **mrq)); 717158766Snetchildint nfsrv_statfs __P((struct nfsrv_descript *nfsd, 718226148Sdes struct nfssvc_sock *slp, 719171221Speter struct proc *procp, struct mbuf **mrq)); 720226148Sdesint nfsrv_symlink __P((struct nfsrv_descript *nfsd, 721226150Sdes struct nfssvc_sock *slp, 722226150Sdes struct proc *procp, struct mbuf **mrq)); 723226153Sdesint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 724226164Sdes struct proc *procp, struct mbuf **mrq)); 725226153Sdesvoid nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 726171221Spetervoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 727171221Speter#endif /* KERNEL */ 728226164Sdes 729171221Speter#endif 730171221Speter