2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
37 * $FreeBSD: src/sys/nfs/nfs.h,v 1.53.2.5 2002/02/20 01:35:34 iedowse Exp $
38 * $DragonFly: src/sys/vfs/nfs/nfs.h,v 1.19.8.2 2008/09/25 02:20:53 dillon Exp $
49 * Tunable constants for nfs
52 #define NFS_MAXIOVEC 34
53 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
54 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
55 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
56 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
57 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
58 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
59 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
60 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
61 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
62 #define NFS_MAXGRPS 16 /* Max. size of groups list */
63 #ifndef NFS_MINATTRTIMO
64 #define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
66 #ifndef NFS_DEFATTRTIMO
67 #define NFS_DEFATTRTIMO 10 /* VREG attrib cache timeout in sec */
69 #ifndef NFS_MAXATTRTIMO
70 #define NFS_MAXATTRTIMO 60
72 #ifndef NFS_MINDIRATTRTIMO
73 #define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
75 #ifndef NFS_MAXDIRATTRTIMO
76 #define NFS_MAXDIRATTRTIMO 60
78 #ifndef NFS_DEADTHRESH
79 #define NFS_DEADTHRESH NFS_NEVERDEAD
81 #define NFS_NEVERDEAD 9
82 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
83 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
84 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
85 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
86 #define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
87 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
88 #define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
89 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
90 #ifndef NFS_GATHERDELAY
91 #define NFS_GATHERDELAY 20 /* Default write gather delay (msec) */
93 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
95 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
101 #define NMOD(a) ((a) % nfs_asyncdaemons)
102 #define NFS_CMPFH(n, f, s) \
103 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
104 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
105 #define NFS_SRVMAXDATA(n) \
106 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
107 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
110 * The IO_METASYNC flag should be implemented for local file systems.
111 * (Until then, it is nothin at all.)
114 #define IO_METASYNC 0
118 * Arguments to mount NFS
120 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */
122 int version
; /* args structure version number */
123 struct sockaddr
*addr
; /* file server address */
124 int addrlen
; /* length of address */
125 int sotype
; /* Socket type */
126 int proto
; /* and Protocol */
127 u_char
*fh
; /* File handle to be mounted */
128 int fhsize
; /* Size, in bytes, of fh */
129 int flags
; /* flags */
130 int wsize
; /* write size in bytes */
131 int rsize
; /* read size in bytes */
132 int readdirsize
; /* readdir size in bytes */
133 int timeo
; /* initial timeout in .1 secs */
134 int retrans
; /* times to retry send */
135 int maxgrouplist
; /* Max. size of group list */
136 int readahead
; /* # of blocks to readahead */
137 int unused01
; /* Term (sec) of lease */
138 int deadthresh
; /* Retrans threshold */
139 char *hostname
; /* server's name */
140 int acregmin
; /* cache attrs for reg files min time */
141 int acregmax
; /* cache attrs for reg files max time */
142 int acdirmin
; /* cache attrs for dirs min time */
143 int acdirmax
; /* cache attrs for dirs max time */
147 * NFS mount option flags
149 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
150 #define NFSMNT_WSIZE 0x00000002 /* set write size */
151 #define NFSMNT_RSIZE 0x00000004 /* set read size */
152 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
153 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
154 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
155 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
156 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
157 #define NFSMNT_UNUSED0100 0x00000100
158 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
159 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
160 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
161 #define NFSMNT_UNUSED1000 0x00001000 /* set lease term (nqnfs) */
162 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
163 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
164 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
165 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
166 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
167 #define NFSMNT_ACREGMIN 0x00040000
168 #define NFSMNT_ACREGMAX 0x00080000
169 #define NFSMNT_ACDIRMIN 0x00100000
170 #define NFSMNT_ACDIRMAX 0x00200000
172 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
173 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
174 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
175 #define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
176 #define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
177 #define NFSSTA_DISMNT 0x00800000 /* Dismounted */
178 #define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */
179 #define NFSSTA_WANTSND 0x02000000 /* Want above */
180 #define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */
181 #define NFSSTA_WANTRCV 0x08000000 /* Want above */
182 #define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
183 #define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
184 #define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
185 #define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
188 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
189 * should ever try and use it.
192 int sock
; /* Socket to serve */
193 caddr_t name
; /* Client addr for connection based sockets */
194 int namelen
; /* Length of name */
197 struct nfsd_srvargs
{
198 struct nfsd
*nsd_nfsd
; /* Pointer to in kernel nfsd struct */
199 uid_t nsd_uid
; /* Effective uid mapped to cred */
200 u_int32_t nsd_haddr
; /* Ip address of client */
201 struct ucred nsd_cr
; /* Cred. uid maps to */
202 u_int nsd_authlen
; /* Length of auth string (ret) */
203 u_char
*nsd_authstr
; /* Auth string (ret) */
204 u_int nsd_verflen
; /* and the verfier */
206 struct timeval nsd_timestamp
; /* timestamp from verifier */
207 u_int32_t nsd_ttl
; /* credential ttl (sec) */
208 NFSKERBKEY_T nsd_key
; /* Session key */
212 char *ncd_dirp
; /* Mount dir path */
213 uid_t ncd_authuid
; /* Effective uid */
214 int ncd_authtype
; /* Type of authenticator */
215 u_int ncd_authlen
; /* Length of authenticator string */
216 u_char
*ncd_authstr
; /* Authenticator string */
217 u_int ncd_verflen
; /* and the verifier */
219 NFSKERBKEY_T ncd_key
; /* Session key */
223 * XXX to allow amd to include nfs.h without nfsproto.h
231 int attrcache_misses
;
232 int lookupcache_hits
;
233 int lookupcache_misses
;
234 int direofcache_hits
;
235 int direofcache_misses
;
242 int biocache_readlinks
;
244 int biocache_readdirs
;
246 int rpccnt
[NFS_NPROCS
];
248 int srvrpccnt
[NFS_NPROCS
];
255 int srvcache_inproghits
;
256 int srvcache_idemdonehits
;
257 int srvcache_nonidemdonehits
;
260 int srvnqnfs_maxleases
;
261 int srvnqnfs_getleases
;
263 int accesscache_hits
;
264 int accesscache_misses
;
269 * Flags for nfssvc() system call.
271 #define NFSSVC_BIOD 0x002
272 #define NFSSVC_NFSD 0x004
273 #define NFSSVC_ADDSOCK 0x008
274 #define NFSSVC_AUTHIN 0x010
275 #define NFSSVC_GOTAUTH 0x040
276 #define NFSSVC_AUTHINFAIL 0x080
277 #define NFSSVC_MNTD 0x100
280 * fs.nfs sysctl(3) identifiers
282 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
283 #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
285 #define FS_NFS_NAMES { \
287 { "nfsstats", CTLTYPE_STRUCT }, \
288 { "nfsprivport", CTLTYPE_INT }, \
293 #ifdef MALLOC_DECLARE
294 MALLOC_DECLARE(M_NFSREQ
);
295 MALLOC_DECLARE(M_NFSDIROFF
);
296 MALLOC_DECLARE(M_NFSRVDESC
);
297 MALLOC_DECLARE(M_NFSUID
);
298 MALLOC_DECLARE(M_NFSD
);
299 MALLOC_DECLARE(M_NFSBIGFH
);
300 MALLOC_DECLARE(M_NFSHASH
);
303 #ifdef ZONE_INTERRUPT
304 extern vm_zone_t nfsmount_zone
;
307 extern struct callout nfs_timer_handle
;
308 extern int nfs_async
;
317 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
318 * What should be in this set is open to debate, but I believe that since
319 * I/O system calls on ufs are never interrupted by signals the set should
320 * be minimal. My reasoning is that many current programs that use signals
321 * such as SIGALRM will not expect file I/O system calls to be interrupted
324 #define NFSINT_SIGMASK(set) \
325 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
326 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
327 SIGISMEMBER(set, SIGQUIT))
330 * Socket errors ignored for connectionless sockets??
331 * For now, ignore them all
333 #define NFSIGNORE_SOERROR(s, e) \
334 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
335 ((s) & PR_CONNREQUIRED) == 0)
338 * Nfs outstanding request list element
341 TAILQ_ENTRY(nfsreq
) r_chain
;
346 struct nfsmount
*r_nmp
;
349 int r_flags
; /* flags on request, see below */
350 int r_retry
; /* max retransmission count */
351 int r_rexmit
; /* current retrans count */
352 int r_timer
; /* tick counter on reply */
353 u_int32_t r_procnum
; /* NFS procedure number */
354 int r_rtt
; /* RTT for rpc */
355 struct thread
*r_td
; /* Thread that did I/O system call */
359 * Queue head for nfsreq's
361 extern TAILQ_HEAD(nfs_reqq
, nfsreq
) nfs_reqq
;
363 /* Flag values for r_flags */
364 #define R_TIMING 0x0001 /* timing request (in mntp) */
365 #define R_SENT 0x0002 /* request has been sent */
366 #define R_SOFTTERM 0x0004 /* soft mnt, too many retries */
367 #define R_INTR 0x0008 /* intr mnt, signal pending */
368 #define R_SOCKERR 0x0010 /* Fatal error on socket */
369 #define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */
370 #define R_MUSTRESEND 0x0040 /* Must resend request */
371 #define R_GETONEREP 0x0080 /* Probe for one reply only */
372 #define R_MASKTIMER 0x0100 /* Timer should ignore this req */
373 #define R_LOCKED 0x0200 /* Locked by the timer */
376 * A list of nfssvc_sock structures is maintained with all the sockets
377 * that require service by the nfsd.
378 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
379 * and uid hash lists.
381 #ifndef NFS_UIDHASHSIZ
382 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
384 #define NUIDHASH(sock, uid) \
385 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
386 #ifndef NFS_WDELAYHASHSIZ
387 #define NFS_WDELAYHASHSIZ 16 /* and with this */
389 #define NWDELAYHASH(sock, f) \
390 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
391 #ifndef NFS_MUIDHASHSIZ
392 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
394 #define NMUIDHASH(nmp, uid) \
395 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
396 #define NFSNOHASH(fhsum) \
397 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
400 * Network address hash list element
403 u_int32_t had_inetaddr
;
404 struct sockaddr
*had_nam
;
408 TAILQ_ENTRY(nfsuid
) nu_lru
; /* LRU chain */
409 LIST_ENTRY(nfsuid
) nu_hash
; /* Hash list */
410 int nu_flag
; /* Flags */
411 union nethostaddr nu_haddr
; /* Host addr. for dgram sockets */
412 struct ucred nu_cr
; /* Cred uid mapped to */
413 int nu_expire
; /* Expiry time (sec) */
414 struct timeval nu_timestamp
; /* Kerb. timestamp */
415 u_int32_t nu_nickname
; /* Nickname on server */
416 NFSKERBKEY_T nu_key
; /* and session key */
419 #define nu_inetaddr nu_haddr.had_inetaddr
420 #define nu_nam nu_haddr.had_nam
421 /* Bits for nu_flag */
422 #define NU_INETADDR 0x1
424 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
427 STAILQ_ENTRY(nfsrv_rec
) nr_link
;
428 struct sockaddr
*nr_address
;
429 struct mbuf
*nr_packet
;
433 TAILQ_ENTRY(nfssvc_sock
) ns_chain
; /* List of all nfssvc_sock's */
434 TAILQ_HEAD(, nfsuid
) ns_uidlruhead
;
436 struct socket
*ns_so
;
437 struct sockaddr
*ns_nam
;
439 struct mbuf
*ns_rawend
;
440 STAILQ_HEAD(, nfsrv_rec
) ns_rec
;
441 struct mbuf
*ns_frag
;
449 LIST_HEAD(, nfsrv_descript
) ns_tq
; /* Write gather lists */
450 LIST_HEAD(, nfsuid
) ns_uidhashtbl
[NFS_UIDHASHSIZ
];
451 LIST_HEAD(nfsrvw_delayhash
, nfsrv_descript
) ns_wdelayhashtbl
[NFS_WDELAYHASHSIZ
];
454 /* Bits for "ns_flag" */
455 #define SLP_VALID 0x01
456 #define SLP_DOREC 0x02
457 #define SLP_NEEDQ 0x04
458 #define SLP_DISCONN 0x08
459 #define SLP_GETSTREAM 0x10
460 #define SLP_LASTFRAG 0x20
461 #define SLP_ALLFLAGS 0xff
463 extern TAILQ_HEAD(nfssvc_sockhead
, nfssvc_sock
) nfssvc_sockhead
;
464 extern int nfssvc_sockhead_flag
;
465 #define SLP_INIT 0x01
466 #define SLP_WANTINIT 0x02
469 * One of these structures is allocated for each nfsd.
472 TAILQ_ENTRY(nfsd
) nfsd_chain
; /* List of all nfsd's */
473 int nfsd_flag
; /* NFSD_ flags */
474 struct nfssvc_sock
*nfsd_slp
; /* Current socket */
475 int nfsd_authlen
; /* Authenticator len */
476 u_char nfsd_authstr
[RPCAUTH_MAXSIZ
]; /* Authenticator data */
477 int nfsd_verflen
; /* and the Verifier */
478 u_char nfsd_verfstr
[RPCVERF_MAXSIZ
];
479 struct thread
*nfsd_td
; /* thread ptr */
480 struct nfsrv_descript
*nfsd_nd
; /* Associated nfsrv_descript */
483 /* Bits for "nfsd_flag" */
484 #define NFSD_WAITING 0x01
485 #define NFSD_REQINPROG 0x02
486 #define NFSD_NEEDAUTH 0x04
487 #define NFSD_AUTHFAIL 0x08
489 /* Bits for loadattrcache */
490 #define NFS_LATTR_NOSHRINK 0x01
491 #define NFS_LATTR_NOMTIMECHECK 0x02
494 * This structure is used by the server for describing each request.
495 * Some fields are used only when write request gathering is performed.
497 struct nfsrv_descript
{
498 u_quad_t nd_time
; /* Write deadline (usec) */
499 off_t nd_off
; /* Start byte offset */
500 off_t nd_eoff
; /* and end byte offset */
501 LIST_ENTRY(nfsrv_descript
) nd_hash
; /* Hash list */
502 LIST_ENTRY(nfsrv_descript
) nd_tq
; /* and timer list */
503 LIST_HEAD(,nfsrv_descript
) nd_coalesce
; /* coalesced writes */
504 struct mbuf
*nd_mrep
; /* Request mbuf list */
505 struct mbuf
*nd_md
; /* Current dissect mbuf */
506 struct mbuf
*nd_mreq
; /* Reply mbuf list */
507 struct sockaddr
*nd_nam
; /* and socket addr */
508 struct sockaddr
*nd_nam2
; /* return socket addr */
509 caddr_t nd_dpos
; /* Current dissect pos */
510 u_int32_t nd_procnum
; /* RPC # */
511 int nd_stable
; /* storage type */
512 int nd_flag
; /* nd_flag */
513 int nd_len
; /* Length of this write */
514 int nd_repstat
; /* Reply status */
515 u_int32_t nd_retxid
; /* Reply xid */
516 struct timeval nd_starttime
; /* Time RPC initiated */
517 fhandle_t nd_fh
; /* File handle */
518 struct ucred nd_cr
; /* Credentials */
521 /* Bits for "nd_flag" */
523 #define ND_WRITE 0x02
524 #define ND_CHECK 0x04
525 #define ND_NFSV3 0x08
526 #define ND_UNUSED010 0x10
527 #define ND_KERBNICK 0x20
528 #define ND_KERBFULL 0x40
529 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
531 extern TAILQ_HEAD(nfsd_head
, nfsd
) nfsd_head
;
532 extern int nfsd_head_flag
;
533 extern int nfsd_waiting
;
534 #define NFSD_CHECKSLP 0x01
537 * These macros compare nfsrv_descript structures.
539 #define NFSW_CONTIG(o, n) \
540 ((o)->nd_eoff >= (n)->nd_off && \
541 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
543 #define NFSW_SAMECRED(o, n) \
544 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
545 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
546 sizeof (struct ucred)))
552 #define WEBNFS_ESC_CHAR '%'
553 #define WEBNFS_SPECCHAR_START 0x80
555 #define WEBNFS_NATIVE_CHAR 0x80
558 * Possibly more here in the future.
562 * Macro for converting escape characters in WebNFS pathnames.
563 * Should really be in libkern.
567 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
568 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
569 #define HEXSTRTOI(p) \
570 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
574 extern int nfs_debug
;
575 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
576 #define NFS_DEBUG_WG 2 /* server write gathering */
577 #define NFS_DEBUG_RC 4 /* server request caching */
579 #define NFS_DPF(cat, args) \
581 if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \
586 #define NFS_DPF(cat, args)
590 u_quad_t
nfs_curusec (void);
591 int nfs_init (struct vfsconf
*vfsp
);
592 int nfs_uninit (struct vfsconf
*vfsp
);
593 int nfs_reply (struct nfsreq
*);
594 int nfs_getreq (struct nfsrv_descript
*,struct nfsd
*,int);
595 int nfs_send (struct socket
*, struct sockaddr
*, struct mbuf
*,
597 int nfs_rephead (int, struct nfsrv_descript
*, struct nfssvc_sock
*,
598 int, struct mbuf
**, struct mbuf
**, caddr_t
*);
599 int nfs_sndlock (struct nfsreq
*);
600 void nfs_sndunlock (struct nfsreq
*);
601 int nfs_slplock (struct nfssvc_sock
*, int);
602 void nfs_slpunlock (struct nfssvc_sock
*);
603 int nfs_disct (struct mbuf
**, caddr_t
*, int, int, caddr_t
*);
604 int nfs_vinvalbuf (struct vnode
*, int, int);
605 int nfs_readrpc (struct vnode
*, struct uio
*);
606 int nfs_writerpc (struct vnode
*, struct uio
*, int *, int *);
607 int nfs_commit (struct vnode
*vp
, u_quad_t offset
, int cnt
,
609 int nfs_readdirrpc (struct vnode
*, struct uio
*);
610 int nfs_asyncio (struct vnode
*vp
, struct bio
*, struct thread
*);
611 int nfs_doio (struct vnode
*vp
, struct bio
*, struct thread
*);
612 int nfs_readlinkrpc (struct vnode
*, struct uio
*);
613 int nfs_sigintr (struct nfsmount
*, struct nfsreq
*, struct thread
*);
614 int nfs_readdirplusrpc (struct vnode
*, struct uio
*);
615 int nfsm_disct (struct mbuf
**, caddr_t
*, int, int, caddr_t
*);
616 void nfsm_srvfattr (struct nfsrv_descript
*, struct vattr
*,
618 void nfsm_srvwcc (struct nfsrv_descript
*, int, struct vattr
*, int,
619 struct vattr
*, struct mbuf
**, char **);
620 void nfsm_srvpostopattr (struct nfsrv_descript
*, int, struct vattr
*,
621 struct mbuf
**, char **);
622 int netaddr_match (int, union nethostaddr
*, struct sockaddr
*);
623 int nfs_request (struct vnode
*, struct mbuf
*, int, struct thread
*,
624 struct ucred
*, struct mbuf
**, struct mbuf
**,
626 int nfs_loadattrcache (struct vnode
**, struct mbuf
**, caddr_t
*,
627 struct vattr
*, int);
628 int nfs_namei (struct nlookupdata
*, struct ucred
*, int,
629 struct vnode
**, struct vnode
**, fhandle_t
*, int,
630 struct nfssvc_sock
*, struct sockaddr
*, struct mbuf
**,
631 caddr_t
*, struct vnode
**, struct thread
*, int, int);
632 void nfsm_adj (struct mbuf
*, int, int);
633 int nfsm_mbuftouio (struct mbuf
**, struct uio
*, int, caddr_t
*);
634 void nfsrv_initcache (void);
635 int nfs_getauth (struct nfsmount
*, struct nfsreq
*, struct ucred
*,
636 char **, int *, char *, int *, NFSKERBKEY_T
);
637 int nfs_getnickauth (struct nfsmount
*, struct ucred
*, char **,
639 int nfs_savenickauth (struct nfsmount
*, struct ucred
*, int,
640 NFSKERBKEY_T
, struct mbuf
**, char **,
642 int nfs_adv (struct mbuf
**, caddr_t
*, int, int);
643 void nfs_nhinit (void);
644 int nfs_nmcancelreqs (struct nfsmount
*);
645 void nfs_timer (void*);
646 int nfsrv_dorec (struct nfssvc_sock
*, struct nfsd
*,
647 struct nfsrv_descript
**);
648 int nfsrv_getcache (struct nfsrv_descript
*, struct nfssvc_sock
*,
650 void nfsrv_updatecache (struct nfsrv_descript
*, int, struct mbuf
*);
651 void nfsrv_cleancache (void);
652 int nfs_connect (struct nfsmount
*, struct nfsreq
*);
653 void nfs_disconnect (struct nfsmount
*);
654 void nfs_safedisconnect (struct nfsmount
*);
655 int nfs_getattrcache (struct vnode
*, struct vattr
*);
656 int nfsm_strtmbuf (struct mbuf
**, char **, const char *, long);
657 int nfs_bioread (struct vnode
*, struct uio
*, int);
658 int nfsm_uiotombuf (struct uio
*, struct mbuf
**, int, caddr_t
*);
659 void nfsrv_init (int);
660 void nfs_clearcommit (struct mount
*);
661 int nfsrv_errmap (struct nfsrv_descript
*, int);
662 void nfsrvw_sort (gid_t
*, int);
663 void nfsrv_setcred (struct ucred
*, struct ucred
*);
664 int nfsrv_object_create (struct vnode
*);
665 void nfsrv_wakenfsd (struct nfssvc_sock
*slp
, int nparallel
);
666 int nfsrv_writegather (struct nfsrv_descript
**, struct nfssvc_sock
*,
667 struct thread
*, struct mbuf
**);
668 int nfs_fsinfo (struct nfsmount
*, struct vnode
*, struct thread
*p
);
670 int nfsrv3_access (struct nfsrv_descript
*nfsd
,
671 struct nfssvc_sock
*slp
,
672 struct thread
*td
, struct mbuf
**mrq
);
673 int nfsrv_commit (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
674 struct thread
*td
, struct mbuf
**mrq
);
675 int nfsrv_create (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
676 struct thread
*td
, struct mbuf
**mrq
);
677 int nfsrv_fhtovp (fhandle_t
*, int, struct mount
**, struct vnode
**,
678 struct ucred
*, struct nfssvc_sock
*,
679 struct sockaddr
*, int *, int, int);
680 int nfsrv_setpublicfs (struct mount
*, struct netexport
*,
681 struct export_args
*);
682 int nfs_ispublicfh (fhandle_t
*);
683 int nfsrv_fsinfo (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
684 struct thread
*td
, struct mbuf
**mrq
);
685 int nfsrv_getattr (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
686 struct thread
*td
, struct mbuf
**mrq
);
687 int nfsrv_link (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
688 struct thread
*td
, struct mbuf
**mrq
);
689 int nfsrv_lookup (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
690 struct thread
*td
, struct mbuf
**mrq
);
691 int nfsrv_mkdir (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
692 struct thread
*td
, struct mbuf
**mrq
);
693 int nfsrv_mknod (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
694 struct thread
*td
, struct mbuf
**mrq
);
695 int nfsrv_noop (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
696 struct thread
*td
, struct mbuf
**mrq
);
697 int nfsrv_null (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
698 struct thread
*td
, struct mbuf
**mrq
);
699 int nfsrv_pathconf (struct nfsrv_descript
*nfsd
,
700 struct nfssvc_sock
*slp
, struct thread
*td
,
702 int nfsrv_read (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
703 struct thread
*td
, struct mbuf
**mrq
);
704 int nfsrv_readdir (struct nfsrv_descript
*nfsd
,
705 struct nfssvc_sock
*slp
,
706 struct thread
*td
, struct mbuf
**mrq
);
707 int nfsrv_readdirplus (struct nfsrv_descript
*nfsd
,
708 struct nfssvc_sock
*slp
, struct thread
*td
,
710 int nfsrv_readlink (struct nfsrv_descript
*nfsd
,
711 struct nfssvc_sock
*slp
, struct thread
*td
,
713 int nfsrv_remove (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
714 struct thread
*td
, struct mbuf
**mrq
);
715 int nfsrv_rename (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
716 struct thread
*td
, struct mbuf
**mrq
);
717 int nfsrv_rmdir (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
718 struct thread
*td
, struct mbuf
**mrq
);
719 int nfsrv_setattr (struct nfsrv_descript
*nfsd
,
720 struct nfssvc_sock
*slp
,
721 struct thread
*td
, struct mbuf
**mrq
);
722 int nfsrv_statfs (struct nfsrv_descript
*nfsd
,
723 struct nfssvc_sock
*slp
,
724 struct thread
*td
, struct mbuf
**mrq
);
725 int nfsrv_symlink (struct nfsrv_descript
*nfsd
,
726 struct nfssvc_sock
*slp
,
727 struct thread
*td
, struct mbuf
**mrq
);
728 int nfsrv_write (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
729 struct thread
*td
, struct mbuf
**mrq
);
730 void nfsrv_rcv (struct socket
*so
, void *arg
, int waitflag
);
731 void nfsrv_slpderef (struct nfssvc_sock
*slp
);
732 int nfs_meta_setsize (struct vnode
*vp
, struct thread
*td
, u_quad_t nsize
);
733 int nfs_clientd(struct nfsmount
*nmp
, struct ucred
*cred
,
734 struct nfsd_cargs
*ncd
, int flag
, caddr_t argp
,