nfsargs.h revision 36541
11541Srgrimes/* 222521Sdyson * Copyright (c) 1989, 1993, 1995 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * Rick Macklem at The University of Guelph. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 3. All advertising materials mentioning features or use of this software 171541Srgrimes * must display the following acknowledgement: 181541Srgrimes * This product includes software developed by the University of 191541Srgrimes * California, Berkeley and its contributors. 201541Srgrimes * 4. Neither the name of the University nor the names of its contributors 211541Srgrimes * may be used to endorse or promote products derived from this software 221541Srgrimes * without specific prior written permission. 231541Srgrimes * 241541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341541Srgrimes * SUCH DAMAGE. 351541Srgrimes * 3622521Sdyson * @(#)nfs.h 8.4 (Berkeley) 5/1/95 3736541Speter * $Id: nfs.h,v 1.39 1998/05/31 19:49:28 peter Exp $ 381541Srgrimes */ 391541Srgrimes 402175Spaul#ifndef _NFS_NFS_H_ 412175Spaul#define _NFS_NFS_H_ 422175Spaul 431541Srgrimes/* 441541Srgrimes * Tunable constants for nfs 451541Srgrimes */ 461541Srgrimes 471541Srgrimes#define NFS_MAXIOVEC 34 489336Sdfr#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 499336Sdfr#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 509336Sdfr#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 519336Sdfr#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 529336Sdfr#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 539336Sdfr#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 541541Srgrimes#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 551541Srgrimes#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 561541Srgrimes#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 571541Srgrimes#define NFS_MAXGRPS 16 /* Max. size of groups list */ 581828Sdg#ifndef NFS_MINATTRTIMO 5936176Speter#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 601828Sdg#endif 611828Sdg#ifndef NFS_MAXATTRTIMO 621541Srgrimes#define NFS_MAXATTRTIMO 60 631828Sdg#endif 6436176Speter#ifndef NFS_MINDIRATTRTIMO 6536176Speter#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 6636176Speter#endif 6736176Speter#ifndef NFS_MAXDIRATTRTIMO 6836176Speter#define NFS_MAXDIRATTRTIMO 60 6936176Speter#endif 701541Srgrimes#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 711541Srgrimes#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 729336Sdfr#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 731541Srgrimes#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 741541Srgrimes#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 751541Srgrimes#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 7624378Sbde#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 779336Sdfr#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 789336Sdfr#ifndef NFS_GATHERDELAY 799336Sdfr#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 809336Sdfr#endif 819336Sdfr#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 8224378Sbde#ifdef KERNEL 8324378Sbde#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 8424378Sbde#endif 859336Sdfr 869336Sdfr/* 879336Sdfr * Oddballs 889336Sdfr */ 891541Srgrimes#define NMOD(a) ((a) % nfs_asyncdaemons) 909336Sdfr#define NFS_CMPFH(n, f, s) \ 919336Sdfr ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 929336Sdfr#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 939336Sdfr#define NFS_SRVMAXDATA(n) \ 949336Sdfr (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 959336Sdfr NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 961541Srgrimes 971541Srgrimes/* 989336Sdfr * XXX 999336Sdfr * The B_INVAFTERWRITE flag should be set to whatever is required by the 1009336Sdfr * buffer cache code to say "Invalidate the block after it is written back". 1019336Sdfr */ 1029336Sdfr#define B_INVAFTERWRITE B_NOCACHE 1039336Sdfr 1049336Sdfr/* 1059336Sdfr * The IO_METASYNC flag should be implemented for local file systems. 1069336Sdfr * (Until then, it is nothin at all.) 1079336Sdfr */ 1089336Sdfr#ifndef IO_METASYNC 1099336Sdfr#define IO_METASYNC 0 1109336Sdfr#endif 1119336Sdfr 1129336Sdfr/* 1139336Sdfr * Expected allocation sizes for major data structures. If the actual size 1149336Sdfr * of the structure exceeds these sizes, then malloc() will be allocating 1159336Sdfr * almost twice the memory required. This is used in nfs_init() to warn 1169336Sdfr * the sysadmin that the size of a structure should be reduced. 1179336Sdfr * (These sizes are always a power of 2. If the kernel malloc() changes 1189336Sdfr * to one that does not allocate space in powers of 2 size, then this all 1199336Sdfr * becomes bunk!) 1209336Sdfr */ 1219336Sdfr#define NFS_SVCALLOC 256 1229336Sdfr#define NFS_UIDALLOC 128 1239336Sdfr 1249336Sdfr/* 12522521Sdyson * Arguments to mount NFS 12622521Sdyson */ 12722521Sdyson#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 12822521Sdysonstruct nfs_args { 12922521Sdyson int version; /* args structure version number */ 13022521Sdyson struct sockaddr *addr; /* file server address */ 13122521Sdyson int addrlen; /* length of address */ 13222521Sdyson int sotype; /* Socket type */ 13322521Sdyson int proto; /* and Protocol */ 13422521Sdyson u_char *fh; /* File handle to be mounted */ 13522521Sdyson int fhsize; /* Size, in bytes, of fh */ 13622521Sdyson int flags; /* flags */ 13722521Sdyson int wsize; /* write size in bytes */ 13822521Sdyson int rsize; /* read size in bytes */ 13922521Sdyson int readdirsize; /* readdir size in bytes */ 14022521Sdyson int timeo; /* initial timeout in .1 secs */ 14122521Sdyson int retrans; /* times to retry send */ 14222521Sdyson int maxgrouplist; /* Max. size of group list */ 14322521Sdyson int readahead; /* # of blocks to readahead */ 14422521Sdyson int leaseterm; /* Term (sec) of lease */ 14522521Sdyson int deadthresh; /* Retrans threshold */ 14622521Sdyson char *hostname; /* server's name */ 14736176Speter int acregmin; /* cache attrs for reg files min time */ 14836176Speter int acregmax; /* cache attrs for reg files max time */ 14936176Speter int acdirmin; /* cache attrs for dirs min time */ 15036176Speter int acdirmax; /* cache attrs for dirs max time */ 15122521Sdyson}; 15222521Sdyson 15322521Sdyson/* 15422521Sdyson * NFS mount option flags 15522521Sdyson */ 15622521Sdyson#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 15722521Sdyson#define NFSMNT_WSIZE 0x00000002 /* set write size */ 15822521Sdyson#define NFSMNT_RSIZE 0x00000004 /* set read size */ 15922521Sdyson#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 16022521Sdyson#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 16122521Sdyson#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 16222521Sdyson#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 16322521Sdyson#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 16422521Sdyson#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 16522521Sdyson#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 16622521Sdyson#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 16722521Sdyson#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 16822521Sdyson#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 16922521Sdyson#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 17022521Sdyson#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 17122521Sdyson#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 17222521Sdyson#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 17322521Sdyson#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 17436176Speter#define NFSMNT_ACREGMIN 0x00040000 17536176Speter#define NFSMNT_ACREGMAX 0x00080000 17636176Speter#define NFSMNT_ACDIRMIN 0x00100000 17736176Speter#define NFSMNT_ACDIRMAX 0x00200000 17822521Sdyson 17936176Speter#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 18036176Speter#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 18136176Speter#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 18236176Speter#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 18336176Speter#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 18436176Speter#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 18536176Speter#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 18636176Speter#define NFSSTA_WANTSND 0x02000000 /* Want above */ 18736176Speter#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 18836176Speter#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 18936176Speter#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 19036176Speter#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 19136176Speter#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 19236176Speter#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 19336176Speter 19422521Sdyson/* 1951541Srgrimes * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 1961541Srgrimes * should ever try and use it. 1971541Srgrimes */ 1981541Srgrimesstruct nfsd_args { 1991541Srgrimes int sock; /* Socket to serve */ 20022521Sdyson caddr_t name; /* Client addr for connection based sockets */ 2011541Srgrimes int namelen; /* Length of name */ 2021541Srgrimes}; 2031541Srgrimes 2041541Srgrimesstruct nfsd_srvargs { 2051541Srgrimes struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 2061541Srgrimes uid_t nsd_uid; /* Effective uid mapped to cred */ 20736541Speter u_int32_t nsd_haddr; /* Ip address of client */ 2081541Srgrimes struct ucred nsd_cr; /* Cred. uid maps to */ 2091541Srgrimes int nsd_authlen; /* Length of auth string (ret) */ 2109336Sdfr u_char *nsd_authstr; /* Auth string (ret) */ 2119336Sdfr int nsd_verflen; /* and the verfier */ 2129336Sdfr u_char *nsd_verfstr; 2139336Sdfr struct timeval nsd_timestamp; /* timestamp from verifier */ 21436541Speter u_int32_t nsd_ttl; /* credential ttl (sec) */ 2159336Sdfr NFSKERBKEY_T nsd_key; /* Session key */ 2161541Srgrimes}; 2171541Srgrimes 2181541Srgrimesstruct nfsd_cargs { 2191541Srgrimes char *ncd_dirp; /* Mount dir path */ 2201541Srgrimes uid_t ncd_authuid; /* Effective uid */ 2211541Srgrimes int ncd_authtype; /* Type of authenticator */ 2221541Srgrimes int ncd_authlen; /* Length of authenticator string */ 2239336Sdfr u_char *ncd_authstr; /* Authenticator string */ 2249336Sdfr int ncd_verflen; /* and the verifier */ 2259336Sdfr u_char *ncd_verfstr; 2269336Sdfr NFSKERBKEY_T ncd_key; /* Session key */ 2271541Srgrimes}; 2281541Srgrimes 2291541Srgrimes/* 23022521Sdyson * XXX to allow amd to include nfs.h without nfsproto.h 23122521Sdyson */ 23222521Sdyson#ifdef NFS_NPROCS 23322521Sdyson/* 2341541Srgrimes * Stats structure 2351541Srgrimes */ 2361541Srgrimesstruct nfsstats { 2371541Srgrimes int attrcache_hits; 2381541Srgrimes int attrcache_misses; 2391541Srgrimes int lookupcache_hits; 2401541Srgrimes int lookupcache_misses; 2411541Srgrimes int direofcache_hits; 2421541Srgrimes int direofcache_misses; 2431541Srgrimes int biocache_reads; 2441541Srgrimes int read_bios; 2451541Srgrimes int read_physios; 2461541Srgrimes int biocache_writes; 2471541Srgrimes int write_bios; 2481541Srgrimes int write_physios; 2491541Srgrimes int biocache_readlinks; 2501541Srgrimes int readlink_bios; 2511541Srgrimes int biocache_readdirs; 2521541Srgrimes int readdir_bios; 2531541Srgrimes int rpccnt[NFS_NPROCS]; 2541541Srgrimes int rpcretries; 2551541Srgrimes int srvrpccnt[NFS_NPROCS]; 2561541Srgrimes int srvrpc_errs; 2571541Srgrimes int srv_errs; 2581541Srgrimes int rpcrequests; 2591541Srgrimes int rpctimeouts; 2601541Srgrimes int rpcunexpected; 2611541Srgrimes int rpcinvalid; 2621541Srgrimes int srvcache_inproghits; 2631541Srgrimes int srvcache_idemdonehits; 2641541Srgrimes int srvcache_nonidemdonehits; 2651541Srgrimes int srvcache_misses; 2661541Srgrimes int srvnqnfs_leases; 2671541Srgrimes int srvnqnfs_maxleases; 2681541Srgrimes int srvnqnfs_getleases; 2699336Sdfr int srvvop_writes; 2701541Srgrimes}; 27122521Sdyson#endif 2721541Srgrimes 2731541Srgrimes/* 2741541Srgrimes * Flags for nfssvc() system call. 2751541Srgrimes */ 2761541Srgrimes#define NFSSVC_BIOD 0x002 2771541Srgrimes#define NFSSVC_NFSD 0x004 2781541Srgrimes#define NFSSVC_ADDSOCK 0x008 2791541Srgrimes#define NFSSVC_AUTHIN 0x010 2801541Srgrimes#define NFSSVC_GOTAUTH 0x040 2811541Srgrimes#define NFSSVC_AUTHINFAIL 0x080 2821541Srgrimes#define NFSSVC_MNTD 0x100 2831541Srgrimes 2841541Srgrimes/* 2853820Swollman * fs.nfs sysctl(3) identifiers 2863820Swollman */ 2873820Swollman#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 28824330Sguido#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 2893820Swollman 2903820Swollman#define FS_NFS_NAMES { \ 2913820Swollman { 0, 0 }, \ 2923820Swollman { "nfsstats", CTLTYPE_STRUCT }, \ 29324330Sguido { "nfsprivport", CTLTYPE_INT }, \ 2943820Swollman} 2953820Swollman 29622521Sdyson#ifdef KERNEL 2974067Swollman 29830354Sphk#ifdef MALLOC_DECLARE 29930354SphkMALLOC_DECLARE(M_NFSREQ); 30030354SphkMALLOC_DECLARE(M_NFSDIROFF); 30130354SphkMALLOC_DECLARE(M_NFSRVDESC); 30230354SphkMALLOC_DECLARE(M_NFSUID); 30330354SphkMALLOC_DECLARE(M_NQLEASE); 30430354SphkMALLOC_DECLARE(M_NFSD); 30530354SphkMALLOC_DECLARE(M_NFSBIGFH); 30636329SpeterMALLOC_DECLARE(M_NFSHASH); 30730354Sphk#endif 30830354Sphk 30936329Speter#ifdef ZONE_INTERRUPT 31036329Speterextern vm_zone_t nfsmount_zone; 31136329Speter#endif 31236329Speter 3134067Swollmanstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 3144067Swollman 31532998Sbde/* 31632998Sbde * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 31732998Sbde * What should be in this set is open to debate, but I believe that since 31832998Sbde * I/O system calls on ufs are never interrupted by signals the set should 31932998Sbde * be minimal. My reasoning is that many current programs that use signals 32032998Sbde * such as SIGALRM will not expect file I/O system calls to be interrupted 32132998Sbde * by them and break. 32232998Sbde */ 3231541Srgrimes#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 3241541Srgrimes sigmask(SIGHUP)|sigmask(SIGQUIT)) 3251541Srgrimes 3261541Srgrimes/* 3271541Srgrimes * Socket errors ignored for connectionless sockets?? 3281541Srgrimes * For now, ignore them all 3291541Srgrimes */ 3301541Srgrimes#define NFSIGNORE_SOERROR(s, e) \ 3311541Srgrimes ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 3321541Srgrimes ((s) & PR_CONNREQUIRED) == 0) 3331541Srgrimes 3341541Srgrimes/* 3351541Srgrimes * Nfs outstanding request list element 3361541Srgrimes */ 3371541Srgrimesstruct nfsreq { 3383664Sphk TAILQ_ENTRY(nfsreq) r_chain; 3391541Srgrimes struct mbuf *r_mreq; 3401541Srgrimes struct mbuf *r_mrep; 3411541Srgrimes struct mbuf *r_md; 3421541Srgrimes caddr_t r_dpos; 3431541Srgrimes struct nfsmount *r_nmp; 3441541Srgrimes struct vnode *r_vp; 34536541Speter u_int32_t r_xid; 3461541Srgrimes int r_flags; /* flags on request, see below */ 3471541Srgrimes int r_retry; /* max retransmission count */ 3481541Srgrimes int r_rexmit; /* current retrans count */ 3491541Srgrimes int r_timer; /* tick counter on reply */ 35026420Sdfr u_int32_t r_procnum; /* NFS procedure number */ 3511541Srgrimes int r_rtt; /* RTT for rpc */ 3521541Srgrimes struct proc *r_procp; /* Proc that did I/O system call */ 3531541Srgrimes}; 3541541Srgrimes 3553664Sphk/* 3563664Sphk * Queue head for nfsreq's 3573664Sphk */ 3589759Sbdeextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 3593664Sphk 3601541Srgrimes/* Flag values for r_flags */ 3611541Srgrimes#define R_TIMING 0x01 /* timing request (in mntp) */ 3621541Srgrimes#define R_SENT 0x02 /* request has been sent */ 3631541Srgrimes#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 3641541Srgrimes#define R_INTR 0x08 /* intr mnt, signal pending */ 3651541Srgrimes#define R_SOCKERR 0x10 /* Fatal error on socket */ 3661541Srgrimes#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 3671541Srgrimes#define R_MUSTRESEND 0x40 /* Must resend request */ 3681541Srgrimes#define R_GETONEREP 0x80 /* Probe for one reply only */ 3691541Srgrimes 3701541Srgrimes/* 3711541Srgrimes * A list of nfssvc_sock structures is maintained with all the sockets 3721541Srgrimes * that require service by the nfsd. 3731541Srgrimes * The nfsuid structs hang off of the nfssvc_sock structs in both lru 3741541Srgrimes * and uid hash lists. 3751541Srgrimes */ 3769336Sdfr#ifndef NFS_UIDHASHSIZ 3779336Sdfr#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 3789336Sdfr#endif 3793664Sphk#define NUIDHASH(sock, uid) \ 3809336Sdfr (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 3819336Sdfr#ifndef NFS_WDELAYHASHSIZ 3829336Sdfr#define NFS_WDELAYHASHSIZ 16 /* and with this */ 3839336Sdfr#endif 3849336Sdfr#define NWDELAYHASH(sock, f) \ 38536541Speter (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 3869336Sdfr#ifndef NFS_MUIDHASHSIZ 38719449Sdfr#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 3889336Sdfr#endif 3899336Sdfr#define NMUIDHASH(nmp, uid) \ 3909336Sdfr (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 3919336Sdfr#define NFSNOHASH(fhsum) \ 3929336Sdfr (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 3931541Srgrimes 39436503Speter/* 39536503Speter * Network address hash list element 39636503Speter */ 39736503Speterunion nethostaddr { 39836541Speter u_int32_t had_inetaddr; 39936503Speter struct sockaddr *had_nam; 40036503Speter}; 40136503Speter 4021541Srgrimesstruct nfsuid { 4033664Sphk TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 4043664Sphk LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 4051541Srgrimes int nu_flag; /* Flags */ 4061541Srgrimes union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 4071541Srgrimes struct ucred nu_cr; /* Cred uid mapped to */ 4089336Sdfr int nu_expire; /* Expiry time (sec) */ 4099336Sdfr struct timeval nu_timestamp; /* Kerb. timestamp */ 41036541Speter u_int32_t nu_nickname; /* Nickname on server */ 4119336Sdfr NFSKERBKEY_T nu_key; /* and session key */ 4121541Srgrimes}; 4131541Srgrimes 4141541Srgrimes#define nu_inetaddr nu_haddr.had_inetaddr 4151541Srgrimes#define nu_nam nu_haddr.had_nam 4161541Srgrimes/* Bits for nu_flag */ 4171541Srgrimes#define NU_INETADDR 0x1 4189336Sdfr#define NU_NAM 0x2 4199336Sdfr#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 4201541Srgrimes 42125781Sdfrstruct nfsrv_rec { 42225781Sdfr STAILQ_ENTRY(nfsrv_rec) nr_link; 42328270Swollman struct sockaddr *nr_address; 42425781Sdfr struct mbuf *nr_packet; 42525781Sdfr}; 42625781Sdfr 4271541Srgrimesstruct nfssvc_sock { 4283664Sphk TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 4293664Sphk TAILQ_HEAD(, nfsuid) ns_uidlruhead; 4301541Srgrimes struct file *ns_fp; 4311541Srgrimes struct socket *ns_so; 43228270Swollman struct sockaddr *ns_nam; 4331541Srgrimes struct mbuf *ns_raw; 4341541Srgrimes struct mbuf *ns_rawend; 43525781Sdfr STAILQ_HEAD(, nfsrv_rec) ns_rec; 4369336Sdfr struct mbuf *ns_frag; 4379336Sdfr int ns_flag; 4389336Sdfr int ns_solock; 4399336Sdfr int ns_cc; 4409336Sdfr int ns_reclen; 4411541Srgrimes int ns_numuids; 44236541Speter u_int32_t ns_sref; 4439336Sdfr LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 4449336Sdfr LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 4459336Sdfr LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 4461541Srgrimes}; 4471541Srgrimes 4481541Srgrimes/* Bits for "ns_flag" */ 4491541Srgrimes#define SLP_VALID 0x01 4501541Srgrimes#define SLP_DOREC 0x02 4511541Srgrimes#define SLP_NEEDQ 0x04 4521541Srgrimes#define SLP_DISCONN 0x08 4531541Srgrimes#define SLP_GETSTREAM 0x10 4549336Sdfr#define SLP_LASTFRAG 0x20 4551541Srgrimes#define SLP_ALLFLAGS 0xff 4561541Srgrimes 4579759Sbdeextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 4589759Sbdeextern int nfssvc_sockhead_flag; 4593664Sphk#define SLP_INIT 0x01 4603664Sphk#define SLP_WANTINIT 0x02 4613664Sphk 4621541Srgrimes/* 4631541Srgrimes * One of these structures is allocated for each nfsd. 4641541Srgrimes */ 4651541Srgrimesstruct nfsd { 4669336Sdfr TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 4679336Sdfr int nfsd_flag; /* NFSD_ flags */ 4689336Sdfr struct nfssvc_sock *nfsd_slp; /* Current socket */ 4699336Sdfr int nfsd_authlen; /* Authenticator len */ 4709336Sdfr u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 4719336Sdfr int nfsd_verflen; /* and the Verifier */ 4729336Sdfr u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 4739336Sdfr struct proc *nfsd_procp; /* Proc ptr */ 4749336Sdfr struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 4751541Srgrimes}; 4761541Srgrimes 4779336Sdfr/* Bits for "nfsd_flag" */ 4781541Srgrimes#define NFSD_WAITING 0x01 4793664Sphk#define NFSD_REQINPROG 0x02 4803664Sphk#define NFSD_NEEDAUTH 0x04 4813664Sphk#define NFSD_AUTHFAIL 0x08 4823305Sphk 4839336Sdfr/* 4849336Sdfr * This structure is used by the server for describing each request. 4859336Sdfr * Some fields are used only when write request gathering is performed. 4869336Sdfr */ 4879336Sdfrstruct nfsrv_descript { 4889336Sdfr u_quad_t nd_time; /* Write deadline (usec) */ 4899336Sdfr off_t nd_off; /* Start byte offset */ 4909336Sdfr off_t nd_eoff; /* and end byte offset */ 4919336Sdfr LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 4929336Sdfr LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 4939336Sdfr LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 4949336Sdfr struct mbuf *nd_mrep; /* Request mbuf list */ 4959336Sdfr struct mbuf *nd_md; /* Current dissect mbuf */ 4969336Sdfr struct mbuf *nd_mreq; /* Reply mbuf list */ 49728270Swollman struct sockaddr *nd_nam; /* and socket addr */ 49828270Swollman struct sockaddr *nd_nam2; /* return socket addr */ 4999336Sdfr caddr_t nd_dpos; /* Current dissect pos */ 50026420Sdfr u_int32_t nd_procnum; /* RPC # */ 5019336Sdfr int nd_stable; /* storage type */ 5029336Sdfr int nd_flag; /* nd_flag */ 5039336Sdfr int nd_len; /* Length of this write */ 5049336Sdfr int nd_repstat; /* Reply status */ 50536541Speter u_int32_t nd_retxid; /* Reply xid */ 50636541Speter u_int32_t nd_duration; /* Lease duration */ 5079336Sdfr struct timeval nd_starttime; /* Time RPC initiated */ 5089336Sdfr fhandle_t nd_fh; /* File handle */ 5099336Sdfr struct ucred nd_cr; /* Credentials */ 5109336Sdfr}; 5119336Sdfr 5129336Sdfr/* Bits for "nd_flag" */ 5139336Sdfr#define ND_READ LEASE_READ 5149336Sdfr#define ND_WRITE LEASE_WRITE 5159336Sdfr#define ND_CHECK 0x04 5169336Sdfr#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 5179336Sdfr#define ND_NFSV3 0x08 5189336Sdfr#define ND_NQNFS 0x10 5199336Sdfr#define ND_KERBNICK 0x20 5209336Sdfr#define ND_KERBFULL 0x40 5219336Sdfr#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 5229336Sdfr 5239759Sbdeextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 5249759Sbdeextern int nfsd_head_flag; 5253664Sphk#define NFSD_CHECKSLP 0x01 5263664Sphk 5279336Sdfr/* 5289336Sdfr * These macros compare nfsrv_descript structures. 5299336Sdfr */ 5309336Sdfr#define NFSW_CONTIG(o, n) \ 5319336Sdfr ((o)->nd_eoff >= (n)->nd_off && \ 5329336Sdfr !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 5339336Sdfr 5349336Sdfr#define NFSW_SAMECRED(o, n) \ 5359336Sdfr (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 5369336Sdfr !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 5379336Sdfr sizeof (struct ucred))) 5389336Sdfr 53927446Sdfr/* 54027446Sdfr * Defines for WebNFS 54127446Sdfr */ 54227446Sdfr 54327446Sdfr#define WEBNFS_ESC_CHAR '%' 54427446Sdfr#define WEBNFS_SPECCHAR_START 0x80 54527446Sdfr 54627446Sdfr#define WEBNFS_NATIVE_CHAR 0x80 54727446Sdfr/* 54827446Sdfr * .. 54927446Sdfr * Possibly more here in the future. 55027446Sdfr */ 55127446Sdfr 55227446Sdfr/* 55327446Sdfr * Macro for converting escape characters in WebNFS pathnames. 55427446Sdfr * Should really be in libkern. 55527446Sdfr */ 55627446Sdfr 55727446Sdfr#define HEXTOC(c) \ 55827446Sdfr ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 55927446Sdfr ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 56027446Sdfr#define HEXSTRTOI(p) \ 56127446Sdfr ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 56227446Sdfr 56325663Sdfr#ifdef NFS_DEBUG 56422521Sdyson 56525663Sdfrextern int nfs_debug; 56625663Sdfr#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 56725663Sdfr#define NFS_DEBUG_WG 2 /* server write gathering */ 56825663Sdfr#define NFS_DEBUG_RC 4 /* server request caching */ 56925663Sdfr 57025663Sdfr#define NFS_DPF(cat, args) \ 57125663Sdfr do { \ 57225663Sdfr if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 57325663Sdfr } while (0) 57425663Sdfr 57525663Sdfr#else 57625663Sdfr 57725663Sdfr#define NFS_DPF(cat, args) 57825663Sdfr 57925663Sdfr#endif 58025663Sdfr 58134961Sphku_quad_t nfs_curusec __P((void)); 58222521Sdysonint nfs_init __P((struct vfsconf *vfsp)); 5833305Sphkint nfs_reply __P((struct nfsreq *)); 5849336Sdfrint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 58528270Swollmanint nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 58628270Swollman struct nfsreq *)); 58728270Swollmanint nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 58828270Swollman int, int, u_quad_t *, struct mbuf **, struct mbuf **, 58928270Swollman caddr_t *)); 59036176Speterint nfs_sndlock __P((int *, int *, struct nfsreq *)); 59136176Spetervoid nfs_sndunlock __P((int *, int *)); 59228270Swollmanint nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 59328270Swollmanint nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 59428270Swollman int)); 59528270Swollmanint nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 59628270Swollmanint nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 59728270Swollman int *)); 59828270Swollmanint nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 59928270Swollmanint nfs_asyncio __P((struct buf *, struct ucred *)); 60028270Swollmanint nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 60128270Swollmanint nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 60228270Swollmanint nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 60328270Swollmanint nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 60428270Swollmanint nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 60528270Swollmanvoid nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 60628270Swollman struct nfs_fattr *)); 60728270Swollmanvoid nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 60828270Swollman struct vattr *, struct mbuf **, char **)); 60928270Swollmanvoid nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 61028270Swollman struct mbuf **, char **)); 61128270Swollmanint netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 61228270Swollmanint nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 61328270Swollman struct ucred *, struct mbuf **, struct mbuf **, 61428270Swollman caddr_t *)); 61528270Swollmanint nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 61628270Swollman struct vattr *)); 61728270Swollmanint nfs_namei __P((struct nameidata *, fhandle_t *, int, 61828270Swollman struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 61928270Swollman caddr_t *, struct vnode **, struct proc *, int, int)); 62028270Swollmanvoid nfsm_adj __P((struct mbuf *, int, int)); 62128270Swollmanint nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 6223305Sphkvoid nfsrv_initcache __P((void)); 62328270Swollmanint nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 62428270Swollman char **, int *, char *, int *, NFSKERBKEY_T)); 62528270Swollmanint nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 62628270Swollman int *, char *, int)); 62728270Swollmanint nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 62828270Swollman NFSKERBKEY_T, struct mbuf **, char **, 62928270Swollman struct mbuf *)); 63028270Swollmanint nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 6313305Sphkvoid nfs_nhinit __P((void)); 6323305Sphkvoid nfs_timer __P((void*)); 63328270Swollmanu_long nfs_hash __P((nfsfh_t *, int)); 63428270Swollmanint nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 63528270Swollman struct nfsrv_descript **)); 63628270Swollmanint nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 63728270Swollman struct mbuf **)); 63828270Swollmanvoid nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 63922521Sdysonvoid nfsrv_cleancache __P((void)); 64028270Swollmanint nfs_connect __P((struct nfsmount *, struct nfsreq *)); 64122521Sdysonvoid nfs_disconnect __P((struct nfsmount *)); 64236540Spetervoid nfs_safedisconnect __P((struct nfsmount *)); 64328270Swollmanint nfs_getattrcache __P((struct vnode *, struct vattr *)); 64436511Speterint nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 64528270Swollmanint nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 64628270Swollman int)); 64728270Swollmanint nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 6483305Sphkvoid nfsrv_init __P((int)); 6499336Sdfrvoid nfs_clearcommit __P((struct mount *)); 6509336Sdfrint nfsrv_errmap __P((struct nfsrv_descript *, int)); 65128270Swollmanvoid nfsrvw_sort __P((gid_t *, int)); 65228270Swollmanvoid nfsrv_setcred __P((struct ucred *, struct ucred *)); 65328270Swollmanint nfs_writebp __P((struct buf *, int)); 65428270Swollmanint nfsrv_object_create __P((struct vnode *)); 65512588Sbdevoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 6569336Sdfrint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 6579336Sdfr struct proc *, struct mbuf **)); 6589336Sdfrint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 6599336Sdfr struct proc *p)); 6606361Sphk 66128270Swollmanint nfsrv3_access __P((struct nfsrv_descript *nfsd, 66228270Swollman struct nfssvc_sock *slp, 66312588Sbde struct proc *procp, struct mbuf **mrq)); 66412588Sbdeint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 66512588Sbde struct proc *procp, struct mbuf **mrq)); 66612588Sbdeint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 66712588Sbde struct proc *procp, struct mbuf **mrq)); 66828270Swollmanint nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 66928270Swollman struct nfssvc_sock *, struct sockaddr *, int *, 67028270Swollman int, int)); 67127446Sdfrint nfsrv_setpublicfs __P((struct mount *, struct netexport *, 67227446Sdfr struct export_args *)); 67327446Sdfrint nfs_ispublicfh __P((fhandle_t *)); 67412588Sbdeint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 67512588Sbde struct proc *procp, struct mbuf **mrq)); 67612588Sbdeint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 67712588Sbde struct proc *procp, struct mbuf **mrq)); 67812588Sbdeint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 67912588Sbde struct proc *procp, struct mbuf **mrq)); 68012588Sbdeint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68112588Sbde struct proc *procp, struct mbuf **mrq)); 68212588Sbdeint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68312588Sbde struct proc *procp, struct mbuf **mrq)); 68412588Sbdeint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68512588Sbde struct proc *procp, struct mbuf **mrq)); 68612588Sbdeint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68712588Sbde struct proc *procp, struct mbuf **mrq)); 68812588Sbdeint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 68912588Sbde struct proc *procp, struct mbuf **mrq)); 69012588Sbdeint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 69112588Sbde struct nfssvc_sock *slp, struct proc *procp, 69212588Sbde struct mbuf **mrq)); 69312588Sbdeint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 69412588Sbde struct proc *procp, struct mbuf **mrq)); 69528270Swollmanint nfsrv_readdir __P((struct nfsrv_descript *nfsd, 69628270Swollman struct nfssvc_sock *slp, 69712588Sbde struct proc *procp, struct mbuf **mrq)); 69812588Sbdeint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 69912588Sbde struct nfssvc_sock *slp, struct proc *procp, 70012588Sbde struct mbuf **mrq)); 70112588Sbdeint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 70212588Sbde struct nfssvc_sock *slp, struct proc *procp, 70312588Sbde struct mbuf **mrq)); 70412588Sbdeint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 70512588Sbde struct proc *procp, struct mbuf **mrq)); 70612588Sbdeint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 70712588Sbde struct proc *procp, struct mbuf **mrq)); 70812588Sbdeint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 70912588Sbde struct proc *procp, struct mbuf **mrq)); 71028270Swollmanint nfsrv_setattr __P((struct nfsrv_descript *nfsd, 71128270Swollman struct nfssvc_sock *slp, 71212588Sbde struct proc *procp, struct mbuf **mrq)); 71328270Swollmanint nfsrv_statfs __P((struct nfsrv_descript *nfsd, 71428270Swollman struct nfssvc_sock *slp, 71512588Sbde struct proc *procp, struct mbuf **mrq)); 71628270Swollmanint nfsrv_symlink __P((struct nfsrv_descript *nfsd, 71728270Swollman struct nfssvc_sock *slp, 71812588Sbde struct proc *procp, struct mbuf **mrq)); 71912588Sbdeint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 72012588Sbde struct proc *procp, struct mbuf **mrq)); 72122521Sdysonvoid nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 72222521Sdysonvoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 7231541Srgrimes#endif /* KERNEL */ 7242175Spaul 7252175Spaul#endif 726