nfsargs.h revision 12588
1/*
2 * Copyright (c) 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)nfs.h	8.1 (Berkeley) 6/10/93
37 * $Id: nfs.h,v 1.14 1995/11/21 12:54:38 bde Exp $
38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43#include <nfs/rpcv2.h>
44
45/*
46 * Tunable constants for nfs
47 */
48
49#define	NFS_MAXIOVEC	34
50#define NFS_TICKINTVL	5		/* Desired time for a tick (msec) */
51#define NFS_HZ		(hz / nfs_ticks) /* Ticks/sec */
52#define	NFS_TIMEO	(1 * NFS_HZ)	/* Default timeout = 1 second */
53#define	NFS_MINTIMEO	(1 * NFS_HZ)	/* Min timeout to use */
54#define	NFS_MAXTIMEO	(60 * NFS_HZ)	/* Max timeout to backoff to */
55#define	NFS_MINIDEMTIMEO (5 * NFS_HZ)	/* Min timeout for non-idempotent ops*/
56#define	NFS_MAXREXMIT	100		/* Stop counting after this many */
57#define	NFS_MAXWINDOW	1024		/* Max number of outstanding requests */
58#define	NFS_RETRANS	10		/* Num of retrans for soft mounts */
59#define	NFS_MAXGRPS	16		/* Max. size of groups list */
60#ifndef NFS_MINATTRTIMO
61#define	NFS_MINATTRTIMO 5		/* Attribute cache timeout in sec */
62#endif
63#ifndef NFS_MAXATTRTIMO
64#define	NFS_MAXATTRTIMO 60
65#endif
66#define	NFS_WSIZE	8192		/* Def. write data size <= 8192 */
67#define	NFS_RSIZE	8192		/* Def. read data size <= 8192 */
68#define NFS_READDIRSIZE	8192		/* Def. readdir size */
69#define	NFS_DEFRAHEAD	1		/* Def. read ahead # blocks */
70#define	NFS_MAXRAHEAD	4		/* Max. read ahead # blocks */
71#define	NFS_MAXUIDHASH	64		/* Max. # of hashed uid entries/mp */
72#define	NFS_MAXASYNCDAEMON 	20	/* Max. number async_daemons runable */
73#define NFS_MAXGATHERDELAY	100	/* Max. write gather delay (msec) */
74#ifndef NFS_GATHERDELAY
75#define NFS_GATHERDELAY		10	/* Default write gather delay (msec) */
76#endif
77#define	NFS_DIRBLKSIZ	4096		/* Must be a multiple of DIRBLKSIZ */
78
79/*
80 * Oddballs
81 */
82#define	NMOD(a)		((a) % nfs_asyncdaemons)
83#define NFS_CMPFH(n, f, s) \
84	((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
85#define NFS_ISV3(v)	(VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
86#define NFS_SRVMAXDATA(n) \
87		(((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
88		 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
89
90/*
91 * XXX
92 * sys/buf.h should be editted to change B_APPENDWRITE --> B_NEEDCOMMIT, but
93 * until then...
94 * Same goes for sys/malloc.h, which needs M_NFSDIROFF,
95 * M_NFSRVDESC and M_NFSBIGFH added.
96 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an
97 * exclusive create.
98 * The B_INVAFTERWRITE flag should be set to whatever is required by the
99 * buffer cache code to say "Invalidate the block after it is written back".
100 */
101#ifndef B_NEEDCOMMIT
102#define B_NEEDCOMMIT	B_APPENDWRITE
103#endif
104#ifndef M_NFSRVDESC
105#define M_NFSRVDESC	M_TEMP
106#endif
107#ifndef M_NFSDIROFF
108#define M_NFSDIROFF	M_TEMP
109#endif
110#ifndef M_NFSBIGFH
111#define M_NFSBIGFH	M_TEMP
112#endif
113#ifndef VA_EXCLUSIVE
114#define VA_EXCLUSIVE	0
115#endif
116#ifdef __FreeBSD__
117#define	B_INVAFTERWRITE	B_NOCACHE
118#else
119#define	B_INVAFTERWRITE	B_INVAL
120#endif
121
122/*
123 * These ifdefs try to handle the differences between the various 4.4BSD-Lite
124 * based vfs interfaces.
125 * btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to
126 * differentiate between NetBSD-1.0 and NetBSD-current, so..
127 * I also don't know about BSDi's 2.0 release.
128 */
129#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
130#define	HAS_VOPLEASE	1
131#endif
132#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
133#define HAS_VOPREVOKE	1
134#endif
135
136/*
137 * The IO_METASYNC flag should be implemented for local file systems.
138 * (Until then, it is nothin at all.)
139 */
140#ifndef IO_METASYNC
141#define IO_METASYNC	0
142#endif
143
144/*
145 * Set the attribute timeout based on how recently the file has been modified.
146 */
147#define	NFS_ATTRTIMEO(np) \
148	((((np)->n_flag & NMODIFIED) || \
149	 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
150	 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
151	  (time.tv_sec - (np)->n_mtime) / 10))
152
153/*
154 * Expected allocation sizes for major data structures. If the actual size
155 * of the structure exceeds these sizes, then malloc() will be allocating
156 * almost twice the memory required. This is used in nfs_init() to warn
157 * the sysadmin that the size of a structure should be reduced.
158 * (These sizes are always a power of 2. If the kernel malloc() changes
159 *  to one that does not allocate space in powers of 2 size, then this all
160 *  becomes bunk!)
161 */
162#define NFS_NODEALLOC	256
163#define NFS_MNTALLOC	512
164#define NFS_SVCALLOC	256
165#define NFS_UIDALLOC	128
166
167/*
168 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
169 * should ever try and use it.
170 */
171struct nfsd_args {
172	int	sock;		/* Socket to serve */
173	caddr_t	name;		/* Client address for connection based sockets */
174	int	namelen;	/* Length of name */
175};
176
177struct nfsd_srvargs {
178	struct nfsd	*nsd_nfsd;	/* Pointer to in kernel nfsd struct */
179	uid_t		nsd_uid;	/* Effective uid mapped to cred */
180	u_long		nsd_haddr;	/* Ip address of client */
181	struct ucred	nsd_cr;		/* Cred. uid maps to */
182	int		nsd_authlen;	/* Length of auth string (ret) */
183	u_char		*nsd_authstr;	/* Auth string (ret) */
184	int		nsd_verflen;	/* and the verfier */
185	u_char		*nsd_verfstr;
186	struct timeval	nsd_timestamp;	/* timestamp from verifier */
187	u_long		nsd_ttl;	/* credential ttl (sec) */
188	NFSKERBKEY_T	nsd_key;	/* Session key */
189};
190
191struct nfsd_cargs {
192	char		*ncd_dirp;	/* Mount dir path */
193	uid_t		ncd_authuid;	/* Effective uid */
194	int		ncd_authtype;	/* Type of authenticator */
195	int		ncd_authlen;	/* Length of authenticator string */
196	u_char		*ncd_authstr;	/* Authenticator string */
197	int		ncd_verflen;	/* and the verifier */
198	u_char		*ncd_verfstr;
199	NFSKERBKEY_T	ncd_key;	/* Session key */
200};
201
202/*
203 * Stats structure
204 */
205struct nfsstats {
206	int	attrcache_hits;
207	int	attrcache_misses;
208	int	lookupcache_hits;
209	int	lookupcache_misses;
210	int	direofcache_hits;
211	int	direofcache_misses;
212	int	biocache_reads;
213	int	read_bios;
214	int	read_physios;
215	int	biocache_writes;
216	int	write_bios;
217	int	write_physios;
218	int	biocache_readlinks;
219	int	readlink_bios;
220	int	biocache_readdirs;
221	int	readdir_bios;
222	int	rpccnt[NFS_NPROCS];
223	int	rpcretries;
224	int	srvrpccnt[NFS_NPROCS];
225	int	srvrpc_errs;
226	int	srv_errs;
227	int	rpcrequests;
228	int	rpctimeouts;
229	int	rpcunexpected;
230	int	rpcinvalid;
231	int	srvcache_inproghits;
232	int	srvcache_idemdonehits;
233	int	srvcache_nonidemdonehits;
234	int	srvcache_misses;
235	int	srvnqnfs_leases;
236	int	srvnqnfs_maxleases;
237	int	srvnqnfs_getleases;
238	int	srvvop_writes;
239};
240
241/*
242 * Flags for nfssvc() system call.
243 */
244#define	NFSSVC_BIOD	0x002
245#define	NFSSVC_NFSD	0x004
246#define	NFSSVC_ADDSOCK	0x008
247#define	NFSSVC_AUTHIN	0x010
248#define	NFSSVC_GOTAUTH	0x040
249#define	NFSSVC_AUTHINFAIL 0x080
250#define	NFSSVC_MNTD	0x100
251
252/*
253 * fs.nfs sysctl(3) identifiers
254 */
255#define NFS_NFSSTATS	1		/* struct: struct nfsstats */
256
257#define FS_NFS_NAMES { \
258		       { 0, 0 }, \
259		       { "nfsstats", CTLTYPE_STRUCT }, \
260}
261
262/*
263 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
264 * What should be in this set is open to debate, but I believe that since
265 * I/O system calls on ufs are never interrupted by signals the set should
266 * be minimal. My reasoning is that many current programs that use signals
267 * such as SIGALRM will not expect file I/O system calls to be interrupted
268 * by them and break.
269 */
270#if defined(KERNEL) || defined(_KERNEL)
271
272struct uio; struct buf; struct vattr; struct nameidata;	/* XXX */
273
274#define	NFSINT_SIGMASK	(sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
275			 sigmask(SIGHUP)|sigmask(SIGQUIT))
276
277/*
278 * Socket errors ignored for connectionless sockets??
279 * For now, ignore them all
280 */
281#define	NFSIGNORE_SOERROR(s, e) \
282		((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
283		((s) & PR_CONNREQUIRED) == 0)
284
285/*
286 * Nfs outstanding request list element
287 */
288struct nfsreq {
289	TAILQ_ENTRY(nfsreq) r_chain;
290	struct mbuf	*r_mreq;
291	struct mbuf	*r_mrep;
292	struct mbuf	*r_md;
293	caddr_t		r_dpos;
294	struct nfsmount *r_nmp;
295	struct vnode	*r_vp;
296	u_long		r_xid;
297	int		r_flags;	/* flags on request, see below */
298	int		r_retry;	/* max retransmission count */
299	int		r_rexmit;	/* current retrans count */
300	int		r_timer;	/* tick counter on reply */
301	int		r_procnum;	/* NFS procedure number */
302	int		r_rtt;		/* RTT for rpc */
303	struct proc	*r_procp;	/* Proc that did I/O system call */
304};
305
306/*
307 * Queue head for nfsreq's
308 */
309extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
310
311/* Flag values for r_flags */
312#define R_TIMING	0x01		/* timing request (in mntp) */
313#define R_SENT		0x02		/* request has been sent */
314#define	R_SOFTTERM	0x04		/* soft mnt, too many retries */
315#define	R_INTR		0x08		/* intr mnt, signal pending */
316#define	R_SOCKERR	0x10		/* Fatal error on socket */
317#define	R_TPRINTFMSG	0x20		/* Did a tprintf msg. */
318#define	R_MUSTRESEND	0x40		/* Must resend request */
319#define	R_GETONEREP	0x80		/* Probe for one reply only */
320
321/*
322 * A list of nfssvc_sock structures is maintained with all the sockets
323 * that require service by the nfsd.
324 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
325 * and uid hash lists.
326 */
327#ifndef NFS_UIDHASHSIZ
328#define	NFS_UIDHASHSIZ	29	/* Tune the size of nfssvc_sock with this */
329#endif
330#define	NUIDHASH(sock, uid) \
331	(&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
332#ifndef NFS_WDELAYHASHSIZ
333#define	NFS_WDELAYHASHSIZ 16	/* and with this */
334#endif
335#define	NWDELAYHASH(sock, f) \
336	(&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
337#ifndef NFS_MUIDHASHSIZ
338#define NFS_MUIDHASHSIZ	67	/* Tune the size of nfsmount with this */
339#endif
340#define	NMUIDHASH(nmp, uid) \
341	(&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
342#define	NFSNOHASH(fhsum) \
343	(&nfsnodehashtbl[(fhsum) & nfsnodehash])
344
345/*
346 * Network address hash list element
347 */
348union nethostaddr {
349	u_long had_inetaddr;
350	struct mbuf *had_nam;
351};
352
353struct nfsuid {
354	TAILQ_ENTRY(nfsuid) nu_lru;	/* LRU chain */
355	LIST_ENTRY(nfsuid) nu_hash;	/* Hash list */
356	int		nu_flag;	/* Flags */
357	union nethostaddr nu_haddr;	/* Host addr. for dgram sockets */
358	struct ucred	nu_cr;		/* Cred uid mapped to */
359	int		nu_expire;	/* Expiry time (sec) */
360	struct timeval	nu_timestamp;	/* Kerb. timestamp */
361	u_long		nu_nickname;	/* Nickname on server */
362	NFSKERBKEY_T	nu_key;		/* and session key */
363};
364
365#define	nu_inetaddr	nu_haddr.had_inetaddr
366#define	nu_nam		nu_haddr.had_nam
367/* Bits for nu_flag */
368#define	NU_INETADDR	0x1
369#define NU_NAM		0x2
370#define NU_NETFAM(u)	(((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
371
372struct nfssvc_sock {
373	TAILQ_ENTRY(nfssvc_sock) ns_chain;	/* List of all nfssvc_sock's */
374	TAILQ_HEAD(, nfsuid) ns_uidlruhead;
375	struct file	*ns_fp;
376	struct socket	*ns_so;
377	struct mbuf	*ns_nam;
378	struct mbuf	*ns_raw;
379	struct mbuf	*ns_rawend;
380	struct mbuf	*ns_rec;
381	struct mbuf	*ns_recend;
382	struct mbuf	*ns_frag;
383	int		ns_flag;
384	int		ns_solock;
385	int		ns_cc;
386	int		ns_reclen;
387	int		ns_numuids;
388	u_long		ns_sref;
389	LIST_HEAD(, nfsrv_descript) ns_tq;	/* Write gather lists */
390	LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
391	LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
392};
393
394/* Bits for "ns_flag" */
395#define	SLP_VALID	0x01
396#define	SLP_DOREC	0x02
397#define	SLP_NEEDQ	0x04
398#define	SLP_DISCONN	0x08
399#define	SLP_GETSTREAM	0x10
400#define	SLP_LASTFRAG	0x20
401#define SLP_ALLFLAGS	0xff
402
403extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
404extern int nfssvc_sockhead_flag;
405#define	SLP_INIT	0x01
406#define	SLP_WANTINIT	0x02
407
408/*
409 * One of these structures is allocated for each nfsd.
410 */
411struct nfsd {
412	TAILQ_ENTRY(nfsd) nfsd_chain;	/* List of all nfsd's */
413	int		nfsd_flag;	/* NFSD_ flags */
414	struct nfssvc_sock *nfsd_slp;	/* Current socket */
415	int		nfsd_authlen;	/* Authenticator len */
416	u_char		nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
417	int		nfsd_verflen;	/* and the Verifier */
418	u_char		nfsd_verfstr[RPCVERF_MAXSIZ];
419	struct proc	*nfsd_procp;	/* Proc ptr */
420	struct nfsrv_descript *nfsd_nd;	/* Associated nfsrv_descript */
421};
422
423/* Bits for "nfsd_flag" */
424#define	NFSD_WAITING	0x01
425#define	NFSD_REQINPROG	0x02
426#define	NFSD_NEEDAUTH	0x04
427#define	NFSD_AUTHFAIL	0x08
428
429/*
430 * This structure is used by the server for describing each request.
431 * Some fields are used only when write request gathering is performed.
432 */
433struct nfsrv_descript {
434	u_quad_t		nd_time;	/* Write deadline (usec) */
435	off_t			nd_off;		/* Start byte offset */
436	off_t			nd_eoff;	/* and end byte offset */
437	LIST_ENTRY(nfsrv_descript) nd_hash;	/* Hash list */
438	LIST_ENTRY(nfsrv_descript) nd_tq;		/* and timer list */
439	LIST_HEAD(,nfsrv_descript) nd_coalesce;	/* coalesced writes */
440	struct mbuf		*nd_mrep;	/* Request mbuf list */
441	struct mbuf		*nd_md;		/* Current dissect mbuf */
442	struct mbuf		*nd_mreq;	/* Reply mbuf list */
443	struct mbuf		*nd_nam;	/* and socket addr */
444	struct mbuf		*nd_nam2;	/* return socket addr */
445	caddr_t			nd_dpos;	/* Current dissect pos */
446	int			nd_procnum;	/* RPC # */
447	int			nd_stable;	/* storage type */
448	int			nd_flag;	/* nd_flag */
449	int			nd_len;		/* Length of this write */
450	int			nd_repstat;	/* Reply status */
451	u_long			nd_retxid;	/* Reply xid */
452	u_long			nd_duration;	/* Lease duration */
453	struct timeval		nd_starttime;	/* Time RPC initiated */
454	fhandle_t		nd_fh;		/* File handle */
455	struct ucred		nd_cr;		/* Credentials */
456};
457
458/* Bits for "nd_flag" */
459#define	ND_READ		LEASE_READ
460#define ND_WRITE	LEASE_WRITE
461#define ND_CHECK	0x04
462#define ND_LEASE	(ND_READ | ND_WRITE | ND_CHECK)
463#define ND_NFSV3	0x08
464#define ND_NQNFS	0x10
465#define ND_KERBNICK	0x20
466#define ND_KERBFULL	0x40
467#define ND_KERBAUTH	(ND_KERBNICK | ND_KERBFULL)
468
469extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
470extern int nfsd_head_flag;
471#define	NFSD_CHECKSLP	0x01
472
473/*
474 * These macros compare nfsrv_descript structures.
475 */
476#define NFSW_CONTIG(o, n) \
477		((o)->nd_eoff >= (n)->nd_off && \
478		 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
479
480#define NFSW_SAMECRED(o, n) \
481	(((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
482 	 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
483		sizeof (struct ucred)))
484
485int	nfs_reply __P((struct nfsreq *));
486int	nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
487int	nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
488int	nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
489int	nfs_sndlock __P((int *,struct nfsreq *));
490void	nfs_sndunlock __P((int *flagp));
491int	nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
492int	nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
493int	nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
494int	nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
495int	nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
496int	nfs_asyncio __P((struct buf *,struct ucred *));
497int	nfs_doio __P((struct buf *,struct ucred *,struct proc *));
498int	nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
499int	nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
500int	nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
501int	nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
502void	nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
503void	nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
504void	nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
505int	nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *,int));
506int	nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *));
507int	netaddr_match __P((int,union nethostaddr *,struct mbuf *));
508int	nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
509int	nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
510int	nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int));
511void	nfsm_adj __P((struct mbuf *,int,int));
512int	nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
513void	nfsrv_initcache __P((void));
514int	nfs_rcvlock __P((struct nfsreq *));
515void	nfs_rcvunlock __P((int *flagp));
516int	nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
517int	nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
518int	nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
519int	nfs_msg __P((struct proc *,char *,char *));
520int	nfs_adv __P((struct mbuf **,caddr_t *,int,int));
521int	nfsrv_getstream __P((struct nfssvc_sock *,int));
522void	nfs_nhinit __P((void));
523void	nfs_timer __P((void*));
524u_long nfs_hash __P((nfsfh_t *,int));
525int	nfssvc_iod __P((struct proc *));
526int	nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
527int	nfssvc_addsock __P((struct file *,struct mbuf *));
528void	nfsrv_slpderef __P((struct nfssvc_sock *slp));
529int	nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
530void	nfsrv_cleancache __P((void));
531int	nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
532void	nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
533int	mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **));
534int	nfs_connect __P((struct nfsmount *,struct nfsreq *));
535void	nfs_disconnect __P((struct nfsmount *nmp));
536int	nfs_getattrcache __P((struct vnode *,struct vattr *));
537int	nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
538int	nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *));
539int	nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
540void	nfsrv_init __P((int));
541void	nfs_clearcommit __P((struct mount *));
542int	nfsrv_errmap __P((struct nfsrv_descript *, int));
543void	nfsrvw_coalesce __P((struct nfsrv_descript *,struct nfsrv_descript *));
544void	nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
545void	nfsrvw_sort __P((gid_t [],int));
546void	nfsrv_setcred __P((struct ucred *,struct ucred *));
547int	nfs_writebp __P((struct buf *,int));
548int	nfsrv_vput __P(( struct vnode * ));
549int	nfsrv_vrele __P(( struct vnode * ));
550int	nfsrv_vmio __P(( struct vnode * ));
551void	nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
552int	nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
553			       struct proc *, struct mbuf **));
554int	nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
555			struct proc *p));
556
557int	nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
558			   struct proc *procp, struct mbuf **mrq));
559int	nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
560			  struct proc *procp, struct mbuf **mrq));
561int	nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
562			  struct proc *procp, struct mbuf **mrq));
563int	nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
564			  struct proc *procp, struct mbuf **mrq));
565int	nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
566			   struct proc *procp, struct mbuf **mrq));
567int	nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
568			struct proc *procp, struct mbuf **mrq));
569int	nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
570			  struct proc *procp, struct mbuf **mrq));
571int	nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
572			 struct proc *procp, struct mbuf **mrq));
573int	nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
574			 struct proc *procp, struct mbuf **mrq));
575int	nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
576			struct proc *procp, struct mbuf **mrq));
577int	nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
578			struct proc *procp, struct mbuf **mrq));
579int	nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
580			    struct nfssvc_sock *slp, struct proc *procp,
581			    struct mbuf **mrq));
582int	nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
583			struct proc *procp, struct mbuf **mrq));
584int	nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
585			   struct proc *procp, struct mbuf **mrq));
586int	nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
587			       struct nfssvc_sock *slp, struct proc *procp,
588			       struct mbuf **mrq));
589int	nfsrv_readlink __P((struct nfsrv_descript *nfsd,
590			    struct nfssvc_sock *slp, struct proc *procp,
591			    struct mbuf **mrq));
592int	nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
593			  struct proc *procp, struct mbuf **mrq));
594int	nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
595			  struct proc *procp, struct mbuf **mrq));
596int	nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
597			 struct proc *procp, struct mbuf **mrq));
598int	nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
599			   struct proc *procp, struct mbuf **mrq));
600int	nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
601			  struct proc *procp, struct mbuf **mrq));
602int	nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
603			   struct proc *procp, struct mbuf **mrq));
604int	nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
605			 struct proc *procp, struct mbuf **mrq));
606
607#endif	/* KERNEL */
608
609#endif
610