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. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
33 * $FreeBSD: src/sys/nfs/nfs.h,v 1.53.2.5 2002/02/20 01:35:34 iedowse Exp $
43 #include <sys/vnode.h>
44 #include <sys/mutex.h>
45 #include <sys/thread.h>
48 * Tunable constants for nfs
51 #define NFS_MAXIOVEC 34
52 #define NFS_TICKINTVL 200 /* Desired time for a tick (msec) */
53 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
54 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
55 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
56 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
57 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
58 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
59 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
60 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
61 #define NFS_MAXGRPS 16 /* Max. size of groups list */
62 #ifndef NFS_MINATTRTIMO
63 #define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
65 #ifndef NFS_DEFATTRTIMO
66 #define NFS_DEFATTRTIMO 10 /* VREG attrib cache timeout in sec */
68 #ifndef NFS_MAXATTRTIMO
69 #define NFS_MAXATTRTIMO 60
71 #ifndef NFS_MINDIRATTRTIMO
72 #define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
74 #ifndef NFS_MAXDIRATTRTIMO
75 #define NFS_MAXDIRATTRTIMO 60
77 #ifndef NFS_DEADTHRESH
78 #define NFS_DEADTHRESH NFS_NEVERDEAD
80 #define NFS_NEVERDEAD 9
81 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
82 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
83 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
84 #define NFS_DEFRAHEAD 6 /* Def. read ahead # blocks */
85 #define NFS_MAXRAHEAD 32 /* Max. read ahead # blocks */
86 #define NFS_MAXASYNCBIO 64 /* Max. asynchronous BIOs */
87 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
88 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
89 #ifndef NFS_GATHERDELAY
90 #define NFS_GATHERDELAY 20 /* Default write gather delay (msec) */
92 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
94 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
97 #define NFS_ASYSCALE 256
98 #define NFS_MINASYNC_SCALED (4 * NFS_ASYSCALE)
99 #define NFS_MAXASYNC_SCALED (NFS_MAXASYNCBIO * NFS_ASYSCALE)
104 #define NMOD(a) ((a) % nfs_asyncdaemons)
105 #define NFS_CMPFH(n, f, s) \
106 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
107 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
108 #define NFS_SRVMAXDATA(n) \
109 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
110 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
113 * The IO_METASYNC flag should be implemented for local file systems.
114 * (Until then, it is nothin at all.)
117 #define IO_METASYNC 0
121 * Arguments to mount NFS
123 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */
125 int version
; /* args structure version number */
126 struct sockaddr
*addr
; /* file server address */
127 int addrlen
; /* length of address */
128 int sotype
; /* Socket type */
129 int proto
; /* and Protocol */
130 u_char
*fh
; /* File handle to be mounted */
131 int fhsize
; /* Size, in bytes, of fh */
132 int flags
; /* flags */
133 int wsize
; /* write size in bytes */
134 int rsize
; /* read size in bytes */
135 int readdirsize
; /* readdir size in bytes */
136 int timeo
; /* initial timeout in .1 secs */
137 int retrans
; /* times to retry send */
138 int maxgrouplist
; /* Max. size of group list */
139 int readahead
; /* # of blocks to readahead */
140 int unused01
; /* Term (sec) of lease */
141 int deadthresh
; /* Retrans threshold */
142 char *hostname
; /* server's name */
143 int acregmin
; /* cache attrs for reg files min time */
144 int acregmax
; /* cache attrs for reg files max time */
145 int acdirmin
; /* cache attrs for dirs min time */
146 int acdirmax
; /* cache attrs for dirs max time */
150 * NFS mount option flags
152 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
153 #define NFSMNT_WSIZE 0x00000002 /* set write size */
154 #define NFSMNT_RSIZE 0x00000004 /* set read size */
155 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
156 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
157 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
158 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
159 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
160 #define NFSMNT_FORCE 0x00000100 /* Forced unmount */
161 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
162 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
163 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
164 #define NFSMNT_CACHE 0x00001000 /* enable swapcache */
165 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
166 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
167 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
168 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
169 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
170 #define NFSMNT_ACREGMIN 0x00040000
171 #define NFSMNT_ACREGMAX 0x00080000
172 #define NFSMNT_ACDIRMIN 0x00100000
173 #define NFSMNT_ACDIRMAX 0x00200000
174 #define NFSMNT_RETRYCNT 0x00400000 /* Set retry count */
176 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
177 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
178 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
179 #define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
180 #define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
181 #define NFSSTA_DISMNT 0x00800000 /* Dismounted */
182 #define NFSSTA_SENDSPACE 0x01000000 /* Printed sendspace warning */
183 #define NFSSTA_UNUSED25 0x02000000
184 #define NFSSTA_UNUSED26 0x04000000
185 #define NFSSTA_UNUSED27 0x08000000
186 #define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
187 #define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
188 #define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
189 #define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
192 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
193 * should ever try and use it.
196 int sock
; /* Socket to serve */
197 caddr_t name
; /* Client addr for connection based sockets */
198 int namelen
; /* Length of name */
201 struct nfsd_srvargs
{
202 struct nfsd
*nsd_nfsd
; /* Pointer to in kernel nfsd struct */
203 uid_t nsd_uid
; /* Effective uid mapped to cred */
204 u_int32_t nsd_haddr
; /* Ip address of client */
205 struct ucred nsd_cr
; /* Cred. uid maps to */
206 u_int nsd_authlen
; /* Length of auth string (ret) */
207 u_char
*nsd_authstr
; /* Auth string (ret) */
208 u_int nsd_verflen
; /* and the verfier */
210 struct timeval nsd_timestamp
; /* timestamp from verifier */
211 u_int32_t nsd_ttl
; /* credential ttl (sec) */
212 NFSKERBKEY_T nsd_key
; /* Session key */
216 char *ncd_dirp
; /* Mount dir path */
217 uid_t ncd_authuid
; /* Effective uid */
218 int ncd_authtype
; /* Type of authenticator */
219 u_int ncd_authlen
; /* Length of authenticator string */
220 u_char
*ncd_authstr
; /* Authenticator string */
221 u_int ncd_verflen
; /* and the verifier */
223 NFSKERBKEY_T ncd_key
; /* Session key */
227 * XXX to allow amd to include nfs.h without nfsproto.h
235 int attrcache_misses
;
236 int lookupcache_hits
;
237 int lookupcache_misses
;
238 int direofcache_hits
;
239 int direofcache_misses
;
246 int biocache_readlinks
;
248 int biocache_readdirs
;
250 int rpccnt
[NFS_NPROCS
];
252 int srvrpccnt
[NFS_NPROCS
];
259 int srvcache_inproghits
;
260 int srvcache_idemdonehits
;
261 int srvcache_nonidemdonehits
;
264 int srvnqnfs_maxleases
;
265 int srvnqnfs_getleases
;
267 int accesscache_hits
;
268 int accesscache_misses
;
273 * Flags for nfssvc() system call.
275 #define NFSSVC_BIOD 0x002
276 #define NFSSVC_NFSD 0x004
277 #define NFSSVC_ADDSOCK 0x008
278 #define NFSSVC_AUTHIN 0x010
279 #define NFSSVC_GOTAUTH 0x040
280 #define NFSSVC_AUTHINFAIL 0x080
281 #define NFSSVC_MNTD 0x100
284 * fs.nfs sysctl(3) identifiers
286 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
287 #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
289 #define FS_NFS_NAMES { \
291 { "nfsstats", CTLTYPE_STRUCT }, \
292 { "nfsprivport", CTLTYPE_INT }, \
297 #ifdef MALLOC_DECLARE
298 MALLOC_DECLARE(M_NFS
);
299 MALLOC_DECLARE(M_NFSREQ
);
300 MALLOC_DECLARE(M_NFSDIROFF
);
301 MALLOC_DECLARE(M_NFSRVDESC
);
302 MALLOC_DECLARE(M_NFSUID
);
303 MALLOC_DECLARE(M_NFSD
);
304 MALLOC_DECLARE(M_NFSBIGFH
);
307 extern struct callout nfs_timer_handle
;
308 extern int nfs_async
;
309 extern int nfs_maxasyncbio
;
310 extern int nfs_soreserve
;
319 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
320 * What should be in this set is open to debate, but I believe that since
321 * I/O system calls on ufs are never interrupted by signals the set should
322 * be minimal. My reasoning is that many current programs that use signals
323 * such as SIGALRM will not expect file I/O system calls to be interrupted
326 #define NFSINT_SIGMASK(set) \
327 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
328 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
329 SIGISMEMBER(set, SIGQUIT))
332 * Socket errors ignored for connectionless sockets??
333 * For now, ignore them all
335 #define NFSIGNORE_SOERROR(s, e) \
336 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
337 ((s) & PR_CONNREQUIRED) == 0)
342 * Nfs outstanding request list element
345 TAILQ_ENTRY(nfsreq
) r_chain
;
346 struct nfsm_info
*r_info
;
352 struct nfsmount
*r_nmp
;
355 int r_flags
; /* flags on request, see below */
356 int r_retry
; /* max retransmission count */
357 int r_rexmit
; /* current retrans count */
358 int r_timer
; /* tick counter on reply */
359 u_int32_t r_procnum
; /* NFS procedure number */
360 int r_rtt
; /* RTT for rpc */
361 struct thread
*r_td
; /* Thread that did I/O system call */
362 struct mbuf
*r_mrest
;
363 struct mbuf
*r_mheadend
;
370 struct ucred
*r_cred
;
374 * Flag values for r_flags
376 * R_TIMING - Timer is active on request. If timer goes off the
377 * request's retransmit counter will bump and it will
378 * be flagged NEEDSXMIT to retransmit.
380 * R_SENT - Indicates that the request was sent the first time.
381 * This stays set unless we want to repeat a first-time
382 * styled transmit sequence.
384 * R_NEEDSXMIT - The request needs a [re]transmission. It will still
385 * be sitting on nm_reqq if synchronous, otherwise it
386 * will be moved to nm_reqtxq.
388 * R_ASYNC - Indicates an asynchronous request, which modifies the
389 * behavior of how it is dealt with.
391 * R_LOCKED - Prevents the request from being moved between queues
392 * e.g. by the timer or by the async thread.
394 #define R_TIMING 0x0001 /* timing request (in mntp) */
395 #define R_SENT 0x0002 /* request has been sent */
396 #define R_SOFTTERM 0x0004 /* soft mnt, too many retries */
397 #define R_INTR 0x0008 /* intr mnt, signal pending */
398 #define R_SOCKERR 0x0010 /* Fatal error on socket */
399 #define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */
400 #define R_NEEDSXMIT 0x0040 /* Needs [re]transmission */
401 #define R_ASYNC 0x0080 /* Asynchronous mechanics */
402 #define R_ONREQQ 0x0100 /* On primary request queue */
403 #define R_LOCKED 0x0200 /* Locked by the someone */
404 #define R_WANTED 0x0400 /* Someone wants access */
407 * A list of nfssvc_sock structures is maintained with all the sockets
408 * that require service by the nfsd.
409 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
410 * and uid hash lists.
412 #ifndef NFS_UIDHASHSIZ
413 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
415 #define NUIDHASH(sock, uid) \
416 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
417 #ifndef NFS_WDELAYHASHSIZ
418 #define NFS_WDELAYHASHSIZ 16 /* and with this */
420 #define NWDELAYHASH(sock, f) \
421 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
422 #ifndef NFS_MUIDHASHSIZ
423 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
425 #define NMUIDHASH(nmp, uid) \
426 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
429 * Network address hash list element
432 u_int32_t had_inetaddr
;
433 struct sockaddr
*had_nam
;
437 TAILQ_ENTRY(nfsuid
) nu_lru
; /* LRU chain */
438 LIST_ENTRY(nfsuid
) nu_hash
; /* Hash list */
439 int nu_flag
; /* Flags */
440 union nethostaddr nu_haddr
; /* Host addr. for dgram sockets */
441 struct ucred nu_cr
; /* Cred uid mapped to */
442 time_t nu_expire
; /* Expiry time (time_uptime) */
443 struct timeval nu_timestamp
; /* Kerb. timestamp */
444 u_int32_t nu_nickname
; /* Nickname on server */
445 NFSKERBKEY_T nu_key
; /* and session key */
448 #define nu_inetaddr nu_haddr.had_inetaddr
449 #define nu_nam nu_haddr.had_nam
450 /* Bits for nu_flag */
451 #define NU_INETADDR 0x1
455 STAILQ_ENTRY(nfsrv_rec
) nr_link
;
456 struct sockaddr
*nr_address
;
457 struct mbuf
*nr_packet
;
461 TAILQ_ENTRY(nfssvc_sock
) ns_chain
; /* List of all nfssvc_sock's */
462 TAILQ_HEAD(, nfsuid
) ns_uidlruhead
;
464 struct socket
*ns_so
;
465 struct sockaddr
*ns_nam
;
467 struct mbuf
*ns_rawend
;
468 STAILQ_HEAD(, nfsrv_rec
) ns_rec
;
469 struct mbuf
*ns_frag
;
472 u_int32_t ns_needq_upcall
;
473 struct mtx ns_solock
;
478 LIST_HEAD(, nfsrv_descript
) ns_tq
; /* Write gather lists */
479 LIST_HEAD(, nfsuid
) ns_uidhashtbl
[NFS_UIDHASHSIZ
];
480 LIST_HEAD(nfsrvw_delayhash
, nfsrv_descript
) ns_wdelayhashtbl
[NFS_WDELAYHASHSIZ
];
481 struct lwkt_token ns_token
;
484 /* Bits for "ns_flag" */
485 #define SLP_VALID 0x0001
486 #define SLP_DOREC 0x0002 /* socket holding at least one record */
487 #define SLP_NEEDQ 0x0004 /* socket needs general rx processing */
488 #define SLP_DISCONN 0x0008
489 #define SLP_GETSTREAM 0x0010 /* receive stream interlock */
490 #define SLP_LASTFRAG 0x0020
492 #define SLP_ALLFLAGS 0xff
493 #define SLP_ACTION_MASK (SLP_NEEDQ | SLP_DOREC | SLP_DISCONN)
495 extern TAILQ_HEAD(nfssvc_sockhead
, nfssvc_sock
) nfssvc_sockhead
;
496 extern int nfssvc_sockhead_flag
;
497 extern TAILQ_HEAD(nfsmount_head
, nfsmount
) nfs_mountq
;
499 #define SLP_INIT 0x01
500 #define SLP_WANTINIT 0x02
503 * One of these structures is allocated for each nfsd.
506 TAILQ_ENTRY(nfsd
) nfsd_chain
; /* List of all nfsd's */
507 int nfsd_flag
; /* NFSD_ flags */
508 struct nfssvc_sock
*nfsd_slp
; /* Current socket */
509 int nfsd_authlen
; /* Authenticator len */
510 u_char nfsd_authstr
[RPCAUTH_MAXSIZ
]; /* Authenticator data */
511 int nfsd_verflen
; /* and the Verifier */
512 u_char nfsd_verfstr
[RPCVERF_MAXSIZ
];
513 struct thread
*nfsd_td
; /* thread ptr */
514 struct nfsrv_descript
*nfsd_nd
; /* Associated nfsrv_descript */
517 /* Bits for "nfsd_flag" */
518 #define NFSD_WAITING 0x01
519 #define NFSD_REQINPROG 0x02
520 #define NFSD_NEEDAUTH 0x04
521 #define NFSD_AUTHFAIL 0x08
523 /* Bits for loadattrcache */
524 #define NFS_LATTR_NOSHRINK 0x01
525 #define NFS_LATTR_NOMTIMECHECK 0x02
527 #define NFSRV_RECLIMIT(slp) ((slp)->ns_numrec >= nfsd_waiting + 4)
530 * This structure is used by the server for describing each request.
531 * Some fields are used only when write request gathering is performed.
533 struct nfsrv_descript
{
534 u_quad_t nd_time
; /* Write deadline (usec) */
535 off_t nd_off
; /* Start byte offset */
536 off_t nd_eoff
; /* and end byte offset */
537 LIST_ENTRY(nfsrv_descript
) nd_hash
; /* Hash list */
538 LIST_ENTRY(nfsrv_descript
) nd_tq
; /* and timer list */
539 LIST_HEAD(,nfsrv_descript
) nd_coalesce
; /* coalesced writes */
540 struct mbuf
*nd_mrep
; /* Request mbuf list */
541 struct mbuf
*nd_md
; /* Current dissect mbuf */
542 struct mbuf
*nd_mreq
; /* Reply mbuf list */
543 struct sockaddr
*nd_nam
; /* and socket addr */
544 struct sockaddr
*nd_nam2
; /* return socket addr */
545 caddr_t nd_dpos
; /* Current dissect pos */
546 u_int32_t nd_procnum
; /* RPC # */
547 int nd_stable
; /* storage type */
548 int nd_flag
; /* nd_flag */
549 int nd_len
; /* Length of this write */
550 int nd_repstat
; /* Reply status */
551 u_int32_t nd_retxid
; /* Reply xid */
552 struct timeval nd_starttime
; /* Time RPC initiated */
553 fhandle_t nd_fh
; /* File handle */
554 struct ucred nd_cr
; /* Credentials */
557 /* Bits for "nd_flag" */
559 #define ND_WRITE 0x02
560 #define ND_CHECK 0x04
561 #define ND_NFSV3 0x08
562 #define ND_UNUSED010 0x10
563 #define ND_KERBNICK 0x20
564 #define ND_KERBFULL 0x40
565 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
567 extern TAILQ_HEAD(nfsd_head
, nfsd
) nfsd_head
;
568 extern int nfsd_head_flag
;
569 extern int nfsd_waiting
;
570 #define NFSD_CHECKSLP 0x01
573 * These macros compare nfsrv_descript structures.
575 #define NFSW_CONTIG(o, n) \
576 ((o)->nd_eoff >= (n)->nd_off && \
577 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
579 #define NFSW_SAMECRED(o, n) \
580 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
581 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
582 sizeof (struct ucred)))
588 #define WEBNFS_ESC_CHAR '%'
589 #define WEBNFS_SPECCHAR_START 0x80
591 #define WEBNFS_NATIVE_CHAR 0x80
594 * Possibly more here in the future.
598 * Macro for converting escape characters in WebNFS pathnames.
599 * Should really be in libkern.
603 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
604 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
605 #define HEXSTRTOI(p) \
606 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
610 extern int nfs_debug
;
611 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
612 #define NFS_DEBUG_WG 2 /* server write gathering */
613 #define NFS_DEBUG_RC 4 /* server request caching */
615 #define NFS_DPF(cat, args) \
617 if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \
622 #define NFS_DPF(cat, args)
626 extern u_int32_t nfs_xdrneg1
;
627 extern u_int32_t rpc_reply
, rpc_msgdenied
, rpc_mismatch
, rpc_vers
;
628 extern u_int32_t rpc_auth_unix
, rpc_msgaccepted
, rpc_call
, rpc_autherr
;
629 extern u_int32_t rpc_auth_kerb
;
630 extern u_int32_t nfs_prog
, nfs_true
, nfs_false
;
631 extern struct nfsstats nfsstats
;
632 extern nfstype nfsv2_type
[9];
633 extern nfstype nfsv3_type
[9];
634 extern int nfsv2_procid
[NFS_NPROCS
];
635 extern enum vtype nv3tov_type
[8];
636 extern int nfsv3_procid
[NFS_NPROCS
];
637 extern int nfs_ticks
;
638 extern struct nfsrtt nfsrtt
;
640 extern int nfsrvw_procrastinate
;
641 extern int nfsrvw_procrastinate_v3
;
642 extern int32_t (*nfsrv3_procs
[NFS_NPROCS
]) (struct nfsrv_descript
*nd
,
643 struct nfssvc_sock
*slp
,
645 struct mbuf
**mreqp
);
647 extern struct nfsv3_diskless nfsv3_diskless
;
648 extern struct lwkt_token nfs_token
;
650 u_quad_t
nfs_curusec (void);
651 int nfs_init (struct vfsconf
*vfsp
);
652 int nfs_uninit (struct vfsconf
*vfsp
);
653 struct ucred
*nfs_crhold(struct ucred
*cred
);
654 int nfs_crsame(struct ucred
*cr1
, struct ucred
*cr2
);
655 int nfs_reply (struct nfsmount
*nmp
, struct nfsreq
*);
656 int nfs_getreq (struct nfsrv_descript
*,struct nfsd
*,int);
657 int nfs_send (struct socket
*, struct sockaddr
*, struct mbuf
*,
659 int nfs_rephead (int, struct nfsrv_descript
*, struct nfssvc_sock
*,
660 int, struct mbuf
**, struct mbuf
**, caddr_t
*);
661 int nfs_sndlock (struct nfsmount
*, struct nfsreq
*);
662 void nfs_sndunlock (struct nfsmount
*);
663 int nfs_slplock (struct nfssvc_sock
*, int);
664 void nfs_slpunlock (struct nfssvc_sock
*);
665 int nfs_disct (struct mbuf
**, caddr_t
*, int, int, caddr_t
*);
666 int nfs_vinvalbuf (struct vnode
*, int, int);
667 int nfs_readrpc_uio (struct vnode
*, struct uio
*);
668 void nfs_readrpc_bio (struct vnode
*, struct bio
*);
669 int nfs_writerpc_uio (struct vnode
*, struct uio
*, int *, int *);
670 void nfs_writerpc_bio (struct vnode
*, struct bio
*);
671 int nfs_commitrpc_uio (struct vnode
*vp
, u_quad_t offset
, int cnt
,
673 void nfs_commitrpc_bio (struct vnode
*vp
, struct bio
*);
674 int nfs_readdirrpc_uio (struct vnode
*, struct uio
*);
675 void nfs_startio(struct vnode
*vp
, struct bio
*, struct thread
*);
676 int nfs_doio(struct vnode
*vp
, struct bio
*, struct thread
*);
677 void nfs_asyncio(struct vnode
*vp
, struct bio
*bio
);
678 int nfs_asyncok(struct nfsmount
*nmp
);
680 int nfs_readlinkrpc_uio (struct vnode
*, struct uio
*);
681 int nfs_sigintr (struct nfsmount
*, struct nfsreq
*, struct thread
*);
682 int nfs_readdirplusrpc_uio (struct vnode
*, struct uio
*);
683 int netaddr_match (int, union nethostaddr
*, struct sockaddr
*);
685 int nfs_loadattrcache (struct vnode
*, struct mbuf
**, caddr_t
*,
686 struct vattr
*, int);
687 int nfs_namei (struct nlookupdata
*, struct ucred
*, int,
688 struct vnode
**, struct vnode
**, fhandle_t
*, int,
689 struct nfssvc_sock
*, struct sockaddr
*, struct mbuf
**,
690 caddr_t
*, struct vnode
**, struct thread
*, int, int);
691 void nfsrv_initcache (void);
692 void nfsrv_destroycache (void);
693 int nfs_getauth (struct nfsmount
*, struct nfsreq
*, struct ucred
*,
694 char **, int *, char *, int *, NFSKERBKEY_T
);
695 int nfs_getnickauth (struct nfsmount
*, struct ucred
*, char **,
697 int nfs_savenickauth (struct nfsmount
*, struct ucred
*, int,
698 NFSKERBKEY_T
, struct mbuf
**, char **,
700 int nfs_adv (struct mbuf
**, caddr_t
*, int, int);
701 void nfs_nhinit (void);
702 void nfs_nhdestroy (void);
703 int nfs_nmcancelreqs (struct nfsmount
*);
704 void nfs_timer_callout (void*);
705 int nfsrv_dorec (struct nfssvc_sock
*, struct nfsd
*,
706 struct nfsrv_descript
**);
707 int nfsrv_getcache (struct nfsrv_descript
*, struct nfssvc_sock
*,
709 void nfsrv_updatecache (struct nfsrv_descript
*, int, struct mbuf
*);
710 void nfsrv_cleancache (void);
711 int nfs_connect (struct nfsmount
*, struct nfsreq
*);
712 void nfs_disconnect (struct nfsmount
*);
713 void nfs_safedisconnect (struct nfsmount
*);
714 int nfs_getattrcache (struct vnode
*, struct vattr
*);
715 int nfs_bioread (struct vnode
*, struct uio
*, int);
716 void nfsrv_init (int);
717 void nfs_clearcommit (struct mount
*);
718 int nfsrv_errmap (struct nfsrv_descript
*, int);
719 void nfsrvw_sort (gid_t
*, int);
720 void nfsrv_setcred (struct ucred
*, struct ucred
*);
721 int nfsrv_object_create (struct vnode
*);
722 void nfsrv_wakenfsd (struct nfssvc_sock
*slp
, int nparallel
);
723 int nfsrv_writegather (struct nfsrv_descript
**, struct nfssvc_sock
*,
724 struct thread
*, struct mbuf
**);
725 int nfs_fsinfo (struct nfsmount
*, struct vnode
*, struct thread
*p
);
727 int nfsrv3_access (struct nfsrv_descript
*nfsd
,
728 struct nfssvc_sock
*slp
,
729 struct thread
*td
, struct mbuf
**mrq
);
730 int nfsrv_commit (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
731 struct thread
*td
, struct mbuf
**mrq
);
732 int nfsrv_create (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
733 struct thread
*td
, struct mbuf
**mrq
);
734 int nfsrv_fhtovp (fhandle_t
*, int, struct mount
**, struct vnode
**,
735 struct ucred
*, struct nfssvc_sock
*,
736 struct sockaddr
*, int *, int, int);
737 int nfsrv_setpublicfs (struct mount
*, struct netexport
*,
738 struct export_args
*);
739 int nfs_ispublicfh (fhandle_t
*);
740 int nfsrv_fsinfo (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
741 struct thread
*td
, struct mbuf
**mrq
);
742 int nfsrv_getattr (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
743 struct thread
*td
, struct mbuf
**mrq
);
744 int nfsrv_link (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
745 struct thread
*td
, struct mbuf
**mrq
);
746 int nfsrv_lookup (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
747 struct thread
*td
, struct mbuf
**mrq
);
748 int nfsrv_mkdir (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
749 struct thread
*td
, struct mbuf
**mrq
);
750 int nfsrv_mknod (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
751 struct thread
*td
, struct mbuf
**mrq
);
752 int nfsrv_noop (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
753 struct thread
*td
, struct mbuf
**mrq
);
754 int nfsrv_null (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
755 struct thread
*td
, struct mbuf
**mrq
);
756 int nfsrv_pathconf (struct nfsrv_descript
*nfsd
,
757 struct nfssvc_sock
*slp
, struct thread
*td
,
759 int nfsrv_read (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
760 struct thread
*td
, struct mbuf
**mrq
);
761 int nfsrv_readdir (struct nfsrv_descript
*nfsd
,
762 struct nfssvc_sock
*slp
,
763 struct thread
*td
, struct mbuf
**mrq
);
764 int nfsrv_readdirplus (struct nfsrv_descript
*nfsd
,
765 struct nfssvc_sock
*slp
, struct thread
*td
,
767 int nfsrv_readlink (struct nfsrv_descript
*nfsd
,
768 struct nfssvc_sock
*slp
, struct thread
*td
,
770 int nfsrv_remove (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
771 struct thread
*td
, struct mbuf
**mrq
);
772 int nfsrv_rename (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
773 struct thread
*td
, struct mbuf
**mrq
);
774 int nfsrv_rmdir (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
775 struct thread
*td
, struct mbuf
**mrq
);
776 int nfsrv_setattr (struct nfsrv_descript
*nfsd
,
777 struct nfssvc_sock
*slp
,
778 struct thread
*td
, struct mbuf
**mrq
);
779 int nfsrv_statfs (struct nfsrv_descript
*nfsd
,
780 struct nfssvc_sock
*slp
,
781 struct thread
*td
, struct mbuf
**mrq
);
782 int nfsrv_symlink (struct nfsrv_descript
*nfsd
,
783 struct nfssvc_sock
*slp
,
784 struct thread
*td
, struct mbuf
**mrq
);
785 int nfsrv_write (struct nfsrv_descript
*nfsd
, struct nfssvc_sock
*slp
,
786 struct thread
*td
, struct mbuf
**mrq
);
787 void nfsrv_rcv (struct socket
*so
, void *arg
, int waitflag
);
788 void nfsrv_rcv_upcall (struct socket
*so
, void *arg
, int waitflag
);
789 void nfsrv_slpderef (struct nfssvc_sock
*slp
);
790 void nfsrv_slpref (struct nfssvc_sock
*slp
);
791 int nfs_meta_setsize (struct vnode
*vp
, struct thread
*td
,
792 off_t nbase
, int nvextflags
);
793 int nfs_clientd(struct nfsmount
*nmp
, struct ucred
*cred
,
794 struct nfsd_cargs
*ncd
, int flag
, caddr_t argp
,
796 void nfssvc_iod_reader(void *arg
);
797 void nfssvc_iod_writer(void *arg
);
798 void nfssvc_iod_stop1(struct nfsmount
*nmp
);
799 void nfssvc_iod_stop2(struct nfsmount
*nmp
);
800 void nfssvc_iod_writer_wakeup(struct nfsmount
*nmp
);
801 void nfssvc_iod_reader_wakeup(struct nfsmount
*nmp
);