/* * Copyright (c) 1989, 1993, 1995 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Rick Macklem at The University of Guelph. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)nfs.h 8.4 (Berkeley) 5/1/95 * $FreeBSD: src/sys/nfs/nfs.h,v 1.53.2.5 2002/02/20 01:35:34 iedowse Exp $ */ #ifndef _NFS_NFS_H_ #define _NFS_NFS_H_ #ifdef _KERNEL #include "opt_nfs.h" #endif #include #include #include /* * Tunable constants for nfs */ #define NFS_MAXIOVEC 34 #define NFS_TICKINTVL 200 /* Desired time for a tick (msec) */ #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ #define NFS_MAXREXMIT 100 /* Stop counting after this many */ #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ #define NFS_MAXGRPS 16 /* Max. size of groups list */ #ifndef NFS_MINATTRTIMO #define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ #endif #ifndef NFS_DEFATTRTIMO #define NFS_DEFATTRTIMO 10 /* VREG attrib cache timeout in sec */ #endif #ifndef NFS_MAXATTRTIMO #define NFS_MAXATTRTIMO 60 #endif #ifndef NFS_MINDIRATTRTIMO #define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ #endif #ifndef NFS_MAXDIRATTRTIMO #define NFS_MAXDIRATTRTIMO 60 #endif #ifndef NFS_DEADTHRESH #define NFS_DEADTHRESH NFS_NEVERDEAD #endif #define NFS_NEVERDEAD 9 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ #define NFS_READDIRSIZE 8192 /* Def. readdir size */ #define NFS_DEFRAHEAD 6 /* Def. read ahead # blocks */ #define NFS_MAXRAHEAD 32 /* Max. read ahead # blocks */ #define NFS_MAXASYNCBIO 64 /* Max. asynchronous BIOs */ #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ #ifndef NFS_GATHERDELAY #define NFS_GATHERDELAY 20 /* Default write gather delay (msec) */ #endif #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ #ifdef _KERNEL #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ #endif #define NFS_ASYSCALE 256 #define NFS_MINASYNC_SCALED (4 * NFS_ASYSCALE) #define NFS_MAXASYNC_SCALED (NFS_MAXASYNCBIO * NFS_ASYSCALE) /* * Oddballs */ #define NMOD(a) ((a) % nfs_asyncdaemons) #define NFS_CMPFH(n, f, s) \ ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) #define NFS_SRVMAXDATA(n) \ (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) /* * The IO_METASYNC flag should be implemented for local file systems. * (Until then, it is nothin at all.) */ #ifndef IO_METASYNC #define IO_METASYNC 0 #endif /* * Arguments to mount NFS */ #define NFS_ARGSVERSION 3 /* change when nfs_args changes */ struct nfs_args { int version; /* args structure version number */ struct sockaddr *addr; /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ u_char *fh; /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int unused01; /* Term (sec) of lease */ int deadthresh; /* Retrans threshold */ char *hostname; /* server's name */ int acregmin; /* cache attrs for reg files min time */ int acregmax; /* cache attrs for reg files max time */ int acdirmin; /* cache attrs for dirs min time */ int acdirmax; /* cache attrs for dirs max time */ }; /* * NFS mount option flags */ #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ #define NFSMNT_WSIZE 0x00000002 /* set write size */ #define NFSMNT_RSIZE 0x00000004 /* set read size */ #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ #define NFSMNT_FORCE 0x00000100 /* Forced unmount */ #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ #define NFSMNT_CACHE 0x00001000 /* enable swapcache */ #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ #define NFSMNT_ACREGMIN 0x00040000 #define NFSMNT_ACREGMAX 0x00080000 #define NFSMNT_ACDIRMIN 0x00100000 #define NFSMNT_ACDIRMAX 0x00200000 #define NFSMNT_RETRYCNT 0x00400000 /* Set retry count */ #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ #define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ #define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ #define NFSSTA_DISMNT 0x00800000 /* Dismounted */ #define NFSSTA_SENDSPACE 0x01000000 /* Printed sendspace warning */ #define NFSSTA_UNUSED25 0x02000000 #define NFSSTA_UNUSED26 0x04000000 #define NFSSTA_UNUSED27 0x08000000 #define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ #define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ #define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ #define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ /* * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs * should ever try and use it. */ struct nfsd_args { int sock; /* Socket to serve */ caddr_t name; /* Client addr for connection based sockets */ int namelen; /* Length of name */ }; struct nfsd_srvargs { struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ uid_t nsd_uid; /* Effective uid mapped to cred */ u_int32_t nsd_haddr; /* Ip address of client */ struct ucred nsd_cr; /* Cred. uid maps to */ u_int nsd_authlen; /* Length of auth string (ret) */ u_char *nsd_authstr; /* Auth string (ret) */ u_int nsd_verflen; /* and the verfier */ u_char *nsd_verfstr; struct timeval nsd_timestamp; /* timestamp from verifier */ u_int32_t nsd_ttl; /* credential ttl (sec) */ NFSKERBKEY_T nsd_key; /* Session key */ }; struct nfsd_cargs { char *ncd_dirp; /* Mount dir path */ uid_t ncd_authuid; /* Effective uid */ int ncd_authtype; /* Type of authenticator */ u_int ncd_authlen; /* Length of authenticator string */ u_char *ncd_authstr; /* Authenticator string */ u_int ncd_verflen; /* and the verifier */ u_char *ncd_verfstr; NFSKERBKEY_T ncd_key; /* Session key */ }; /* * XXX to allow amd to include nfs.h without nfsproto.h */ #ifdef NFS_NPROCS /* * Stats structure */ struct nfsstats { int attrcache_hits; int attrcache_misses; int lookupcache_hits; int lookupcache_misses; int direofcache_hits; int direofcache_misses; int biocache_reads; int read_bios; int read_physios; int biocache_writes; int write_bios; int write_physios; int biocache_readlinks; int readlink_bios; int biocache_readdirs; int readdir_bios; int rpccnt[NFS_NPROCS]; int rpcretries; int srvrpccnt[NFS_NPROCS]; int srvrpc_errs; int srv_errs; int rpcrequests; int rpctimeouts; int rpcunexpected; int rpcinvalid; int srvcache_inproghits; int srvcache_idemdonehits; int srvcache_nonidemdonehits; int srvcache_misses; int srvnqnfs_leases; int srvnqnfs_maxleases; int srvnqnfs_getleases; int srvvop_writes; int accesscache_hits; int accesscache_misses; }; #endif /* * Flags for nfssvc() system call. */ #define NFSSVC_BIOD 0x002 #define NFSSVC_NFSD 0x004 #define NFSSVC_ADDSOCK 0x008 #define NFSSVC_AUTHIN 0x010 #define NFSSVC_GOTAUTH 0x040 #define NFSSVC_AUTHINFAIL 0x080 #define NFSSVC_MNTD 0x100 /* * fs.nfs sysctl(3) identifiers */ #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ #define FS_NFS_NAMES { \ { 0, 0 }, \ { "nfsstats", CTLTYPE_STRUCT }, \ { "nfsprivport", CTLTYPE_INT }, \ } #ifdef _KERNEL #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_NFS); MALLOC_DECLARE(M_NFSREQ); MALLOC_DECLARE(M_NFSDIROFF); MALLOC_DECLARE(M_NFSRVDESC); MALLOC_DECLARE(M_NFSUID); MALLOC_DECLARE(M_NFSD); MALLOC_DECLARE(M_NFSBIGFH); #endif extern struct callout nfs_timer_handle; extern int nfs_async; extern int nfs_maxasyncbio; extern int nfs_soreserve; struct uio; struct buf; struct bio; struct vattr; struct nlookupdata; /* * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. * What should be in this set is open to debate, but I believe that since * I/O system calls on ufs are never interrupted by signals the set should * be minimal. My reasoning is that many current programs that use signals * such as SIGALRM will not expect file I/O system calls to be interrupted * by them and break. */ #define NFSINT_SIGMASK(set) \ (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ SIGISMEMBER(set, SIGQUIT)) /* * Socket errors ignored for connectionless sockets?? * For now, ignore them all */ #define NFSIGNORE_SOERROR(s, e) \ ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ ((s) & PR_CONNREQUIRED) == 0) struct nfsm_info; /* * Nfs outstanding request list element */ struct nfsreq { TAILQ_ENTRY(nfsreq) r_chain; struct nfsm_info *r_info; mtx_link_t r_link; struct mbuf *r_mreq; struct mbuf *r_mrep; struct mbuf *r_md; caddr_t r_dpos; struct nfsmount *r_nmp; struct vnode *r_vp; u_int32_t r_xid; int r_flags; /* flags on request, see below */ int r_retry; /* max retransmission count */ int r_rexmit; /* current retrans count */ int r_timer; /* tick counter on reply */ u_int32_t r_procnum; /* NFS procedure number */ int r_rtt; /* RTT for rpc */ struct thread *r_td; /* Thread that did I/O system call */ struct mbuf *r_mrest; struct mbuf *r_mheadend; struct mbuf **r_mrp; struct mbuf **r_mdp; caddr_t *r_dposp; int r_mrest_len; int r_failed_auth; NFSKERBKEY_T r_key; struct ucred *r_cred; }; /* * Flag values for r_flags * * R_TIMING - Timer is active on request. If timer goes off the * request's retransmit counter will bump and it will * be flagged NEEDSXMIT to retransmit. * * R_SENT - Indicates that the request was sent the first time. * This stays set unless we want to repeat a first-time * styled transmit sequence. * * R_NEEDSXMIT - The request needs a [re]transmission. It will still * be sitting on nm_reqq if synchronous, otherwise it * will be moved to nm_reqtxq. * * R_ASYNC - Indicates an asynchronous request, which modifies the * behavior of how it is dealt with. * * R_LOCKED - Prevents the request from being moved between queues * e.g. by the timer or by the async thread. */ #define R_TIMING 0x0001 /* timing request (in mntp) */ #define R_SENT 0x0002 /* request has been sent */ #define R_SOFTTERM 0x0004 /* soft mnt, too many retries */ #define R_INTR 0x0008 /* intr mnt, signal pending */ #define R_SOCKERR 0x0010 /* Fatal error on socket */ #define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */ #define R_NEEDSXMIT 0x0040 /* Needs [re]transmission */ #define R_ASYNC 0x0080 /* Asynchronous mechanics */ #define R_ONREQQ 0x0100 /* On primary request queue */ #define R_LOCKED 0x0200 /* Locked by the someone */ #define R_WANTED 0x0400 /* Someone wants access */ /* * A list of nfssvc_sock structures is maintained with all the sockets * that require service by the nfsd. * The nfsuid structs hang off of the nfssvc_sock structs in both lru * and uid hash lists. */ #ifndef NFS_UIDHASHSIZ #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ #endif #define NUIDHASH(sock, uid) \ (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) #ifndef NFS_WDELAYHASHSIZ #define NFS_WDELAYHASHSIZ 16 /* and with this */ #endif #define NWDELAYHASH(sock, f) \ (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) #ifndef NFS_MUIDHASHSIZ #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ #endif #define NMUIDHASH(nmp, uid) \ (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) /* * Network address hash list element */ union nethostaddr { u_int32_t had_inetaddr; struct sockaddr *had_nam; }; struct nfsuid { TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ int nu_flag; /* Flags */ union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ struct ucred nu_cr; /* Cred uid mapped to */ time_t nu_expire; /* Expiry time (time_uptime) */ struct timeval nu_timestamp; /* Kerb. timestamp */ u_int32_t nu_nickname; /* Nickname on server */ NFSKERBKEY_T nu_key; /* and session key */ }; #define nu_inetaddr nu_haddr.had_inetaddr #define nu_nam nu_haddr.had_nam /* Bits for nu_flag */ #define NU_INETADDR 0x1 #define NU_NAM 0x2 struct nfsrv_rec { STAILQ_ENTRY(nfsrv_rec) nr_link; struct sockaddr *nr_address; struct mbuf *nr_packet; }; struct nfssvc_sock { TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ TAILQ_HEAD(, nfsuid) ns_uidlruhead; struct file *ns_fp; struct socket *ns_so; struct sockaddr *ns_nam; struct mbuf *ns_raw; struct mbuf *ns_rawend; STAILQ_HEAD(, nfsrv_rec) ns_rec; struct mbuf *ns_frag; int ns_numrec; u_int32_t ns_flag; u_int32_t ns_needq_upcall; struct mtx ns_solock; int ns_cc; int ns_reclen; int ns_numuids; u_int32_t ns_sref; LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; struct lwkt_token ns_token; }; /* Bits for "ns_flag" */ #define SLP_VALID 0x0001 #define SLP_DOREC 0x0002 /* socket holding at least one record */ #define SLP_NEEDQ 0x0004 /* socket needs general rx processing */ #define SLP_DISCONN 0x0008 #define SLP_GETSTREAM 0x0010 /* receive stream interlock */ #define SLP_LASTFRAG 0x0020 #define SLP_ALLFLAGS 0xff #define SLP_ACTION_MASK (SLP_NEEDQ | SLP_DOREC | SLP_DISCONN) extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; extern int nfssvc_sockhead_flag; extern TAILQ_HEAD(nfsmount_head, nfsmount) nfs_mountq; #define SLP_INIT 0x01 #define SLP_WANTINIT 0x02 /* * One of these structures is allocated for each nfsd. */ struct nfsd { TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ int nfsd_flag; /* NFSD_ flags */ struct nfssvc_sock *nfsd_slp; /* Current socket */ int nfsd_authlen; /* Authenticator len */ u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ int nfsd_verflen; /* and the Verifier */ u_char nfsd_verfstr[RPCVERF_MAXSIZ]; struct thread *nfsd_td; /* thread ptr */ struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ }; /* Bits for "nfsd_flag" */ #define NFSD_WAITING 0x01 #define NFSD_REQINPROG 0x02 #define NFSD_NEEDAUTH 0x04 #define NFSD_AUTHFAIL 0x08 /* Bits for loadattrcache */ #define NFS_LATTR_NOSHRINK 0x01 #define NFS_LATTR_NOMTIMECHECK 0x02 #define NFSRV_RECLIMIT(slp) ((slp)->ns_numrec >= nfsd_waiting + 4) /* * This structure is used by the server for describing each request. * Some fields are used only when write request gathering is performed. */ struct nfsrv_descript { u_quad_t nd_time; /* Write deadline (usec) */ off_t nd_off; /* Start byte offset */ off_t nd_eoff; /* and end byte offset */ LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ struct mbuf *nd_mrep; /* Request mbuf list */ struct mbuf *nd_md; /* Current dissect mbuf */ struct mbuf *nd_mreq; /* Reply mbuf list */ struct sockaddr *nd_nam; /* and socket addr */ struct sockaddr *nd_nam2; /* return socket addr */ caddr_t nd_dpos; /* Current dissect pos */ u_int32_t nd_procnum; /* RPC # */ int nd_stable; /* storage type */ int nd_flag; /* nd_flag */ int nd_len; /* Length of this write */ int nd_repstat; /* Reply status */ u_int32_t nd_retxid; /* Reply xid */ struct timeval nd_starttime; /* Time RPC initiated */ fhandle_t nd_fh; /* File handle */ struct ucred nd_cr; /* Credentials */ }; /* Bits for "nd_flag" */ #define ND_READ 0x01 #define ND_WRITE 0x02 #define ND_CHECK 0x04 #define ND_NFSV3 0x08 #define ND_UNUSED010 0x10 #define ND_KERBNICK 0x20 #define ND_KERBFULL 0x40 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; extern int nfsd_head_flag; extern int nfsd_waiting; #define NFSD_CHECKSLP 0x01 /* * These macros compare nfsrv_descript structures. */ #define NFSW_CONTIG(o, n) \ ((o)->nd_eoff >= (n)->nd_off && \ !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) #define NFSW_SAMECRED(o, n) \ (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ sizeof (struct ucred))) /* * Defines for WebNFS */ #define WEBNFS_ESC_CHAR '%' #define WEBNFS_SPECCHAR_START 0x80 #define WEBNFS_NATIVE_CHAR 0x80 /* * .. * Possibly more here in the future. */ /* * Macro for converting escape characters in WebNFS pathnames. * Should really be in libkern. */ #define HEXTOC(c) \ ((c) >= 'a' ? ((c) - ('a' - 10)) : \ ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) #define HEXSTRTOI(p) \ ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) #ifdef NFS_DEBUG extern int nfs_debug; #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ #define NFS_DEBUG_WG 2 /* server write gathering */ #define NFS_DEBUG_RC 4 /* server request caching */ #define NFS_DPF(cat, args) \ do { \ if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \ } while (0) #else #define NFS_DPF(cat, args) #endif extern u_int32_t nfs_xdrneg1; extern u_int32_t rpc_reply, rpc_msgdenied, rpc_mismatch, rpc_vers; extern u_int32_t rpc_auth_unix, rpc_msgaccepted, rpc_call, rpc_autherr; extern u_int32_t rpc_auth_kerb; extern u_int32_t nfs_prog, nfs_true, nfs_false; extern struct nfsstats nfsstats; extern nfstype nfsv2_type[9]; extern nfstype nfsv3_type[9]; extern int nfsv2_procid[NFS_NPROCS]; extern enum vtype nv3tov_type[8]; extern int nfsv3_procid[NFS_NPROCS]; extern int nfs_ticks; extern struct nfsrtt nfsrtt; extern int nfsrtton; extern int nfsrvw_procrastinate; extern int nfsrvw_procrastinate_v3; extern int32_t (*nfsrv3_procs[NFS_NPROCS]) (struct nfsrv_descript *nd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mreqp); extern struct nfsv3_diskless nfsv3_diskless; extern struct lwkt_token nfs_token; u_quad_t nfs_curusec (void); int nfs_init (struct vfsconf *vfsp); int nfs_uninit (struct vfsconf *vfsp); struct ucred *nfs_crhold(struct ucred *cred); int nfs_crsame(struct ucred *cr1, struct ucred *cr2); int nfs_reply (struct nfsmount *nmp, struct nfsreq *); int nfs_getreq (struct nfsrv_descript *,struct nfsd *,int); int nfs_send (struct socket *, struct sockaddr *, struct mbuf *, struct nfsreq *); int nfs_rephead (int, struct nfsrv_descript *, struct nfssvc_sock *, int, struct mbuf **, struct mbuf **, caddr_t *); int nfs_sndlock (struct nfsmount *, struct nfsreq *); void nfs_sndunlock (struct nfsmount *); int nfs_slplock (struct nfssvc_sock *, int); void nfs_slpunlock (struct nfssvc_sock *); int nfs_disct (struct mbuf **, caddr_t *, int, int, caddr_t *); int nfs_vinvalbuf (struct vnode *, int, int); int nfs_readrpc_uio (struct vnode *, struct uio *); void nfs_readrpc_bio (struct vnode *, struct bio *); int nfs_writerpc_uio (struct vnode *, struct uio *, int *, int *); void nfs_writerpc_bio (struct vnode *, struct bio *); int nfs_commitrpc_uio (struct vnode *vp, u_quad_t offset, int cnt, struct thread *td); void nfs_commitrpc_bio (struct vnode *vp, struct bio *); int nfs_readdirrpc_uio (struct vnode *, struct uio *); void nfs_startio(struct vnode *vp, struct bio *, struct thread *); int nfs_doio(struct vnode *vp, struct bio *, struct thread *); void nfs_asyncio(struct vnode *vp, struct bio *bio); int nfs_asyncok(struct nfsmount *nmp); int nfs_readlinkrpc_uio (struct vnode *, struct uio *); int nfs_sigintr (struct nfsmount *, struct nfsreq *, struct thread *); int nfs_readdirplusrpc_uio (struct vnode *, struct uio *); int netaddr_match (int, union nethostaddr *, struct sockaddr *); int nfs_loadattrcache (struct vnode *, struct mbuf **, caddr_t *, struct vattr *, int); int nfs_namei (struct nlookupdata *, struct ucred *, int, struct vnode **, struct vnode **, fhandle_t *, int, struct nfssvc_sock *, struct sockaddr *, struct mbuf **, caddr_t *, struct vnode **, struct thread *, int, int); void nfsrv_initcache (void); void nfsrv_destroycache (void); int nfs_getauth (struct nfsmount *, struct nfsreq *, struct ucred *, char **, int *, char *, int *, NFSKERBKEY_T); int nfs_getnickauth (struct nfsmount *, struct ucred *, char **, int *, char *, int); int nfs_savenickauth (struct nfsmount *, struct ucred *, int, NFSKERBKEY_T, struct mbuf **, char **, struct mbuf *); int nfs_adv (struct mbuf **, caddr_t *, int, int); void nfs_nhinit (void); void nfs_nhdestroy (void); int nfs_nmcancelreqs (struct nfsmount *); void nfs_timer_callout (void*); int nfsrv_dorec (struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **); int nfsrv_getcache (struct nfsrv_descript *, struct nfssvc_sock *, struct mbuf **); void nfsrv_updatecache (struct nfsrv_descript *, int, struct mbuf *); void nfsrv_cleancache (void); int nfs_connect (struct nfsmount *, struct nfsreq *); void nfs_disconnect (struct nfsmount *); void nfs_safedisconnect (struct nfsmount *); int nfs_getattrcache (struct vnode *, struct vattr *); int nfs_bioread (struct vnode *, struct uio *, int); void nfsrv_init (int); void nfs_clearcommit (struct mount *); int nfsrv_errmap (struct nfsrv_descript *, int); void nfsrvw_sort (gid_t *, int); void nfsrv_setcred (struct ucred *, struct ucred *); int nfsrv_object_create (struct vnode *); void nfsrv_wakenfsd (struct nfssvc_sock *slp, int nparallel); int nfsrv_writegather (struct nfsrv_descript **, struct nfssvc_sock *, struct thread *, struct mbuf **); int nfs_fsinfo (struct nfsmount *, struct vnode *, struct thread *p); int nfsrv3_access (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_commit (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_create (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_fhtovp (fhandle_t *, int, struct mount **, struct vnode **, struct ucred *, struct nfssvc_sock *, struct sockaddr *, int *, int, int); int nfsrv_setpublicfs (struct mount *, struct netexport *, struct export_args *); int nfs_ispublicfh (fhandle_t *); int nfsrv_fsinfo (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_getattr (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_link (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_lookup (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_mkdir (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_mknod (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_noop (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_null (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_pathconf (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_read (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_readdir (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_readdirplus (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_readlink (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_remove (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_rename (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_rmdir (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_setattr (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_statfs (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_symlink (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); int nfsrv_write (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, struct thread *td, struct mbuf **mrq); void nfsrv_rcv (struct socket *so, void *arg, int waitflag); void nfsrv_rcv_upcall (struct socket *so, void *arg, int waitflag); void nfsrv_slpderef (struct nfssvc_sock *slp); void nfsrv_slpref (struct nfssvc_sock *slp); int nfs_meta_setsize (struct vnode *vp, struct thread *td, off_t nbase, int nvextflags); int nfs_clientd(struct nfsmount *nmp, struct ucred *cred, struct nfsd_cargs *ncd, int flag, caddr_t argp, struct thread *td); void nfssvc_iod_reader(void *arg); void nfssvc_iod_writer(void *arg); void nfssvc_iod_stop1(struct nfsmount *nmp); void nfssvc_iod_stop2(struct nfsmount *nmp); void nfssvc_iod_writer_wakeup(struct nfsmount *nmp); void nfssvc_iod_reader_wakeup(struct nfsmount *nmp); #endif /* _KERNEL */ #endif