1/*
2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
37 * $Id: nfs.h,v 1.28 1997/06/03 17:22:45 dfr Exp $
38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43/*
44 * Tunable constants for nfs
45 */

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377#define NFSNOHASH(fhsum) \
378 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
379
380/*
381 * Network address hash list element
382 */
383union nethostaddr {
384 u_long had_inetaddr;
385 struct mbuf *had_nam;
386};
387
388struct nfsuid {
389 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
390 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
391 int nu_flag; /* Flags */
392 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
393 struct ucred nu_cr; /* Cred uid mapped to */

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401#define nu_nam nu_haddr.had_nam
402/* Bits for nu_flag */
403#define NU_INETADDR 0x1
404#define NU_NAM 0x2
405#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
406
407struct nfsrv_rec {
408 STAILQ_ENTRY(nfsrv_rec) nr_link;
409 struct mbuf *nr_address;
410 struct mbuf *nr_packet;
411};
412
413struct nfssvc_sock {
414 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
415 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
416 struct file *ns_fp;
417 struct socket *ns_so;
418 struct mbuf *ns_nam;
419 struct mbuf *ns_raw;
420 struct mbuf *ns_rawend;
421 STAILQ_HEAD(, nfsrv_rec) ns_rec;
422 struct mbuf *ns_frag;
423 int ns_flag;
424 int ns_solock;
425 int ns_cc;
426 int ns_reclen;

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475 off_t nd_off; /* Start byte offset */
476 off_t nd_eoff; /* and end byte offset */
477 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
478 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
479 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
480 struct mbuf *nd_mrep; /* Request mbuf list */
481 struct mbuf *nd_md; /* Current dissect mbuf */
482 struct mbuf *nd_mreq; /* Reply mbuf list */
483 struct mbuf *nd_nam; /* and socket addr */
484 struct mbuf *nd_nam2; /* return socket addr */
485 caddr_t nd_dpos; /* Current dissect pos */
486 u_int32_t nd_procnum; /* RPC # */
487 int nd_stable; /* storage type */
488 int nd_flag; /* nd_flag */
489 int nd_len; /* Length of this write */
490 int nd_repstat; /* Reply status */
491 u_long nd_retxid; /* Reply xid */
492 u_long nd_duration; /* Lease duration */

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562
563#define NFS_DPF(cat, args)
564
565#endif
566
567int nfs_init __P((struct vfsconf *vfsp));
568int nfs_reply __P((struct nfsreq *));
569int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
570int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
571int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
572int nfs_sndlock __P((int *,struct nfsreq *));
573void nfs_sndunlock __P((int *flagp));
574int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
575int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
576int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
577int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
578int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
579int nfs_asyncio __P((struct buf *,struct ucred *));
580int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
581int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
582int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
583int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
584int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
585void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
586void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
587void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
588int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
589int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
590int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
591int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int,int));
592void nfsm_adj __P((struct mbuf *,int,int));
593int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
594void nfsrv_initcache __P((void));
595int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
596int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
597int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
598int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
599void nfs_nhinit __P((void));
600void nfs_timer __P((void*));
601u_long nfs_hash __P((nfsfh_t *,int));
602int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
603int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
604void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
605void nfsrv_cleancache __P((void));
606int nfs_connect __P((struct nfsmount *,struct nfsreq *));
607void nfs_disconnect __P((struct nfsmount *));
608int nfs_getattrcache __P((struct vnode *,struct vattr *));
609int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
610int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *, int getpages));
611int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
612void nfsrv_init __P((int));
613void nfs_clearcommit __P((struct mount *));
614int nfsrv_errmap __P((struct nfsrv_descript *, int));
615void nfsrvw_sort __P((gid_t [],int));
616void nfsrv_setcred __P((struct ucred *,struct ucred *));
617int nfs_writebp __P((struct buf *,int));
618int nfsrv_object_create __P(( struct vnode * ));
619void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
620int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
621 struct proc *, struct mbuf **));
622int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
623 struct proc *p));
624
625int nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
626 struct proc *procp, struct mbuf **mrq));
627int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
628 struct proc *procp, struct mbuf **mrq));
629int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
630 struct proc *procp, struct mbuf **mrq));
631int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,
632 struct ucred *,struct nfssvc_sock *,struct mbuf *,
633 int *,int,int));
634int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
635 struct export_args *));
636int nfs_ispublicfh __P((fhandle_t *));
637int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
638 struct proc *procp, struct mbuf **mrq));
639int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
640 struct proc *procp, struct mbuf **mrq));
641int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,

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650 struct proc *procp, struct mbuf **mrq));
651int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
652 struct proc *procp, struct mbuf **mrq));
653int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
654 struct nfssvc_sock *slp, struct proc *procp,
655 struct mbuf **mrq));
656int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
657 struct proc *procp, struct mbuf **mrq));
658int nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
659 struct proc *procp, struct mbuf **mrq));
660int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
661 struct nfssvc_sock *slp, struct proc *procp,
662 struct mbuf **mrq));
663int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
664 struct nfssvc_sock *slp, struct proc *procp,
665 struct mbuf **mrq));
666int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
667 struct proc *procp, struct mbuf **mrq));
668int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
669 struct proc *procp, struct mbuf **mrq));
670int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
671 struct proc *procp, struct mbuf **mrq));
672int nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
673 struct proc *procp, struct mbuf **mrq));
674int nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
675 struct proc *procp, struct mbuf **mrq));
676int nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
677 struct proc *procp, struct mbuf **mrq));
678int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
679 struct proc *procp, struct mbuf **mrq));
680void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
681void nfsrv_slpderef __P((struct nfssvc_sock *slp));
682#endif /* KERNEL */
683
684#endif