proc->thread stage 4: rework the VFS and DEVICE subsystems to take thread
[dragonfly.git] / sys / vfs / nfs / nfs.h
CommitLineData
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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
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 8.4 (Berkeley) 5/1/95
37 * $FreeBSD: src/sys/nfs/nfs.h,v 1.53.2.5 2002/02/20 01:35:34 iedowse Exp $
dadab5e9 38 * $DragonFly: src/sys/vfs/nfs/nfs.h,v 1.3 2003/06/25 03:56:07 dillon Exp $
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39 */
40
41#ifndef _NFS_NFS_H_
42#define _NFS_NFS_H_
43
44#ifdef _KERNEL
45#include "opt_nfs.h"
46#endif
47
48/*
49 * Tunable constants for nfs
50 */
51
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 */
65#endif
66#ifndef NFS_MAXATTRTIMO
67#define NFS_MAXATTRTIMO 60
68#endif
69#ifndef NFS_MINDIRATTRTIMO
70#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
71#endif
72#ifndef NFS_MAXDIRATTRTIMO
73#define NFS_MAXDIRATTRTIMO 60
74#endif
75#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
76#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
77#define NFS_READDIRSIZE 8192 /* Def. readdir size */
78#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
79#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
80#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
81#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
82#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
83#ifndef NFS_GATHERDELAY
84#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
85#endif
86#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
87#ifdef _KERNEL
88#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
89#endif
90
91/*
92 * Oddballs
93 */
94#define NMOD(a) ((a) % nfs_asyncdaemons)
95#define NFS_CMPFH(n, f, s) \
96 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
97#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
98#define NFS_SRVMAXDATA(n) \
99 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
100 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
101
102/*
103 * XXX
104 * The B_INVAFTERWRITE flag should be set to whatever is required by the
105 * buffer cache code to say "Invalidate the block after it is written back".
106 */
107#define B_INVAFTERWRITE B_NOCACHE
108
109/*
110 * The IO_METASYNC flag should be implemented for local file systems.
111 * (Until then, it is nothin at all.)
112 */
113#ifndef IO_METASYNC
114#define IO_METASYNC 0
115#endif
116
117/*
118 * Arguments to mount NFS
119 */
120#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
121struct nfs_args {
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 leaseterm; /* 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 */
144};
145
146/*
147 * NFS mount option flags
148 */
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_NQNFS 0x00000100 /* Use Nqnfs protocol */
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_LEASETERM 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
171
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 */
186
187/*
188 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
189 * should ever try and use it.
190 */
191struct nfsd_args {
192 int sock; /* Socket to serve */
193 caddr_t name; /* Client addr for connection based sockets */
194 int namelen; /* Length of name */
195};
196
197struct 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 */
205 u_char *nsd_verfstr;
206 struct timeval nsd_timestamp; /* timestamp from verifier */
207 u_int32_t nsd_ttl; /* credential ttl (sec) */
208 NFSKERBKEY_T nsd_key; /* Session key */
209};
210
211struct nfsd_cargs {
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 */
218 u_char *ncd_verfstr;
219 NFSKERBKEY_T ncd_key; /* Session key */
220};
221
222/*
223 * XXX to allow amd to include nfs.h without nfsproto.h
224 */
225#ifdef NFS_NPROCS
226/*
227 * Stats structure
228 */
229struct nfsstats {
230 int attrcache_hits;
231 int attrcache_misses;
232 int lookupcache_hits;
233 int lookupcache_misses;
234 int direofcache_hits;
235 int direofcache_misses;
236 int biocache_reads;
237 int read_bios;
238 int read_physios;
239 int biocache_writes;
240 int write_bios;
241 int write_physios;
242 int biocache_readlinks;
243 int readlink_bios;
244 int biocache_readdirs;
245 int readdir_bios;
246 int rpccnt[NFS_NPROCS];
247 int rpcretries;
248 int srvrpccnt[NFS_NPROCS];
249 int srvrpc_errs;
250 int srv_errs;
251 int rpcrequests;
252 int rpctimeouts;
253 int rpcunexpected;
254 int rpcinvalid;
255 int srvcache_inproghits;
256 int srvcache_idemdonehits;
257 int srvcache_nonidemdonehits;
258 int srvcache_misses;
259 int srvnqnfs_leases;
260 int srvnqnfs_maxleases;
261 int srvnqnfs_getleases;
262 int srvvop_writes;
263 int accesscache_hits;
264 int accesscache_misses;
265};
266#endif
267
268/*
269 * Flags for nfssvc() system call.
270 */
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
278
279/*
280 * fs.nfs sysctl(3) identifiers
281 */
282#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
283#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
284
285#define FS_NFS_NAMES { \
286 { 0, 0 }, \
287 { "nfsstats", CTLTYPE_STRUCT }, \
288 { "nfsprivport", CTLTYPE_INT }, \
289}
290
291#ifdef _KERNEL
292
293#ifdef MALLOC_DECLARE
294MALLOC_DECLARE(M_NFSREQ);
295MALLOC_DECLARE(M_NFSDIROFF);
296MALLOC_DECLARE(M_NFSRVDESC);
297MALLOC_DECLARE(M_NFSUID);
298MALLOC_DECLARE(M_NQLEASE);
299MALLOC_DECLARE(M_NFSD);
300MALLOC_DECLARE(M_NFSBIGFH);
301MALLOC_DECLARE(M_NFSHASH);
302#endif
303
304#ifdef ZONE_INTERRUPT
305extern vm_zone_t nfsmount_zone;
306#endif
307
308extern struct callout_handle nfs_timer_handle;
309
310struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
311
312/*
313 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
314 * What should be in this set is open to debate, but I believe that since
315 * I/O system calls on ufs are never interrupted by signals the set should
316 * be minimal. My reasoning is that many current programs that use signals
317 * such as SIGALRM will not expect file I/O system calls to be interrupted
318 * by them and break.
319 */
320#define NFSINT_SIGMASK(set) \
321 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
322 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
323 SIGISMEMBER(set, SIGQUIT))
324
325/*
326 * Socket errors ignored for connectionless sockets??
327 * For now, ignore them all
328 */
329#define NFSIGNORE_SOERROR(s, e) \
330 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
331 ((s) & PR_CONNREQUIRED) == 0)
332
333/*
334 * Nfs outstanding request list element
335 */
336struct nfsreq {
337 TAILQ_ENTRY(nfsreq) r_chain;
338 struct mbuf *r_mreq;
339 struct mbuf *r_mrep;
340 struct mbuf *r_md;
341 caddr_t r_dpos;
342 struct nfsmount *r_nmp;
343 struct vnode *r_vp;
344 u_int32_t r_xid;
345 int r_flags; /* flags on request, see below */
346 int r_retry; /* max retransmission count */
347 int r_rexmit; /* current retrans count */
348 int r_timer; /* tick counter on reply */
349 u_int32_t r_procnum; /* NFS procedure number */
350 int r_rtt; /* RTT for rpc */
dadab5e9 351 struct thread *r_td; /* Thread that did I/O system call */
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352};
353
354/*
355 * Queue head for nfsreq's
356 */
357extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
358
359/* Flag values for r_flags */
360#define R_TIMING 0x01 /* timing request (in mntp) */
361#define R_SENT 0x02 /* request has been sent */
362#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
363#define R_INTR 0x08 /* intr mnt, signal pending */
364#define R_SOCKERR 0x10 /* Fatal error on socket */
365#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
366#define R_MUSTRESEND 0x40 /* Must resend request */
367#define R_GETONEREP 0x80 /* Probe for one reply only */
368
369/*
370 * A list of nfssvc_sock structures is maintained with all the sockets
371 * that require service by the nfsd.
372 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
373 * and uid hash lists.
374 */
375#ifndef NFS_UIDHASHSIZ
376#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
377#endif
378#define NUIDHASH(sock, uid) \
379 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
380#ifndef NFS_WDELAYHASHSIZ
381#define NFS_WDELAYHASHSIZ 16 /* and with this */
382#endif
383#define NWDELAYHASH(sock, f) \
384 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
385#ifndef NFS_MUIDHASHSIZ
386#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
387#endif
388#define NMUIDHASH(nmp, uid) \
389 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
390#define NFSNOHASH(fhsum) \
391 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
392
393/*
394 * Network address hash list element
395 */
396union nethostaddr {
397 u_int32_t had_inetaddr;
398 struct sockaddr *had_nam;
399};
400
401struct nfsuid {
402 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
403 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
404 int nu_flag; /* Flags */
405 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
406 struct ucred nu_cr; /* Cred uid mapped to */
407 int nu_expire; /* Expiry time (sec) */
408 struct timeval nu_timestamp; /* Kerb. timestamp */
409 u_int32_t nu_nickname; /* Nickname on server */
410 NFSKERBKEY_T nu_key; /* and session key */
411};
412
413#define nu_inetaddr nu_haddr.had_inetaddr
414#define nu_nam nu_haddr.had_nam
415/* Bits for nu_flag */
416#define NU_INETADDR 0x1
417#define NU_NAM 0x2
418#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
419
420struct nfsrv_rec {
421 STAILQ_ENTRY(nfsrv_rec) nr_link;
422 struct sockaddr *nr_address;
423 struct mbuf *nr_packet;
424};
425
426struct nfssvc_sock {
427 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
428 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
429 struct file *ns_fp;
430 struct socket *ns_so;
431 struct sockaddr *ns_nam;
432 struct mbuf *ns_raw;
433 struct mbuf *ns_rawend;
434 STAILQ_HEAD(, nfsrv_rec) ns_rec;
435 struct mbuf *ns_frag;
436 int ns_flag;
437 int ns_solock;
438 int ns_cc;
439 int ns_reclen;
440 int ns_numuids;
441 u_int32_t ns_sref;
442 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
443 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
444 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
445};
446
447/* Bits for "ns_flag" */
448#define SLP_VALID 0x01
449#define SLP_DOREC 0x02
450#define SLP_NEEDQ 0x04
451#define SLP_DISCONN 0x08
452#define SLP_GETSTREAM 0x10
453#define SLP_LASTFRAG 0x20
454#define SLP_ALLFLAGS 0xff
455
456extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
457extern int nfssvc_sockhead_flag;
458#define SLP_INIT 0x01
459#define SLP_WANTINIT 0x02
460
461/*
462 * One of these structures is allocated for each nfsd.
463 */
464struct nfsd {
465 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
466 int nfsd_flag; /* NFSD_ flags */
467 struct nfssvc_sock *nfsd_slp; /* Current socket */
468 int nfsd_authlen; /* Authenticator len */
469 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
470 int nfsd_verflen; /* and the Verifier */
471 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
dadab5e9 472 struct thread *nfsd_td; /* thread ptr */
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473 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
474};
475
476/* Bits for "nfsd_flag" */
477#define NFSD_WAITING 0x01
478#define NFSD_REQINPROG 0x02
479#define NFSD_NEEDAUTH 0x04
480#define NFSD_AUTHFAIL 0x08
481
482/*
483 * This structure is used by the server for describing each request.
484 * Some fields are used only when write request gathering is performed.
485 */
486struct nfsrv_descript {
487 u_quad_t nd_time; /* Write deadline (usec) */
488 off_t nd_off; /* Start byte offset */
489 off_t nd_eoff; /* and end byte offset */
490 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
491 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
492 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
493 struct mbuf *nd_mrep; /* Request mbuf list */
494 struct mbuf *nd_md; /* Current dissect mbuf */
495 struct mbuf *nd_mreq; /* Reply mbuf list */
496 struct sockaddr *nd_nam; /* and socket addr */
497 struct sockaddr *nd_nam2; /* return socket addr */
498 caddr_t nd_dpos; /* Current dissect pos */
499 u_int32_t nd_procnum; /* RPC # */
500 int nd_stable; /* storage type */
501 int nd_flag; /* nd_flag */
502 int nd_len; /* Length of this write */
503 int nd_repstat; /* Reply status */
504 u_int32_t nd_retxid; /* Reply xid */
505 u_int32_t nd_duration; /* Lease duration */
506 struct timeval nd_starttime; /* Time RPC initiated */
507 fhandle_t nd_fh; /* File handle */
508 struct ucred nd_cr; /* Credentials */
509};
510
511/* Bits for "nd_flag" */
512#define ND_READ LEASE_READ
513#define ND_WRITE LEASE_WRITE
514#define ND_CHECK 0x04
515#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
516#define ND_NFSV3 0x08
517#define ND_NQNFS 0x10
518#define ND_KERBNICK 0x20
519#define ND_KERBFULL 0x40
520#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
521
522extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
523extern int nfsd_head_flag;
524#define NFSD_CHECKSLP 0x01
525
526/*
527 * These macros compare nfsrv_descript structures.
528 */
529#define NFSW_CONTIG(o, n) \
530 ((o)->nd_eoff >= (n)->nd_off && \
531 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
532
533#define NFSW_SAMECRED(o, n) \
534 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
535 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
536 sizeof (struct ucred)))
537
538/*
539 * Defines for WebNFS
540 */
541
542#define WEBNFS_ESC_CHAR '%'
543#define WEBNFS_SPECCHAR_START 0x80
544
545#define WEBNFS_NATIVE_CHAR 0x80
546/*
547 * ..
548 * Possibly more here in the future.
549 */
550
551/*
552 * Macro for converting escape characters in WebNFS pathnames.
553 * Should really be in libkern.
554 */
555
556#define HEXTOC(c) \
557 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
558 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
559#define HEXSTRTOI(p) \
560 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
561
562#ifdef NFS_DEBUG
563
564extern int nfs_debug;
565#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
566#define NFS_DEBUG_WG 2 /* server write gathering */
567#define NFS_DEBUG_RC 4 /* server request caching */
568
569#define NFS_DPF(cat, args) \
570 do { \
571 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
572 } while (0)
573
574#else
575
576#define NFS_DPF(cat, args)
577
578#endif
579
580u_quad_t nfs_curusec __P((void));
581int nfs_init __P((struct vfsconf *vfsp));
582int nfs_uninit __P((struct vfsconf *vfsp));
583int nfs_reply __P((struct nfsreq *));
584int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
585int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *,
586 struct nfsreq *));
587int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
588 int, int, u_quad_t *, struct mbuf **, struct mbuf **,
589 caddr_t *));
590int nfs_sndlock __P((struct nfsreq *));
591void nfs_sndunlock __P((struct nfsreq *));
592int nfs_slplock __P((struct nfssvc_sock *, int));
593void nfs_slpunlock __P((struct nfssvc_sock *));
594int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
dadab5e9 595int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct thread *,
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596 int));
597int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
598int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
599 int *));
600int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt,
dadab5e9 601 struct ucred *cred, struct thread *td));
984263bc 602int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
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603int nfs_asyncio __P((struct buf *, struct ucred *, struct thread *));
604int nfs_doio __P((struct buf *, struct ucred *, struct thread *));
984263bc 605int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
dadab5e9 606int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct thread *));
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607int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
608int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
609void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
610 struct nfs_fattr *));
611void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
612 struct vattr *, struct mbuf **, char **));
613void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
614 struct mbuf **, char **));
615int netaddr_match __P((int, union nethostaddr *, struct sockaddr *));
dadab5e9 616int nfs_request __P((struct vnode *, struct mbuf *, int, struct thread *,
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617 struct ucred *, struct mbuf **, struct mbuf **,
618 caddr_t *));
619int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
620 struct vattr *, int));
621int nfs_namei __P((struct nameidata *, fhandle_t *, int,
622 struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
dadab5e9 623 caddr_t *, struct vnode **, struct thread *, int, int));
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624void nfsm_adj __P((struct mbuf *, int, int));
625int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
626void nfsrv_initcache __P((void));
627int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
628 char **, int *, char *, int *, NFSKERBKEY_T));
629int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **,
630 int *, char *, int));
631int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int,
632 NFSKERBKEY_T, struct mbuf **, char **,
633 struct mbuf *));
634int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
635void nfs_nhinit __P((void));
636int nfs_nmcancelreqs __P((struct nfsmount *));
637void nfs_timer __P((void*));
638int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
639 struct nfsrv_descript **));
640int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
641 struct mbuf **));
642void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
643void nfsrv_cleancache __P((void));
644int nfs_connect __P((struct nfsmount *, struct nfsreq *));
645void nfs_disconnect __P((struct nfsmount *));
646void nfs_safedisconnect __P((struct nfsmount *));
647int nfs_getattrcache __P((struct vnode *, struct vattr *));
648int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
649int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *));
650int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
651void nfsrv_init __P((int));
652void nfs_clearcommit __P((struct mount *));
653int nfsrv_errmap __P((struct nfsrv_descript *, int));
654void nfsrvw_sort __P((gid_t *, int));
655void nfsrv_setcred __P((struct ucred *, struct ucred *));
dadab5e9 656int nfs_writebp __P((struct buf *, int, struct thread *));
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657int nfsrv_object_create __P((struct vnode *));
658void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
659int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
dadab5e9 660 struct thread *, struct mbuf **));
984263bc 661int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
dadab5e9 662 struct thread *p));
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663
664int nfsrv3_access __P((struct nfsrv_descript *nfsd,
665 struct nfssvc_sock *slp,
dadab5e9 666 struct thread *td, struct mbuf **mrq));
984263bc 667int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 668 struct thread *td, struct mbuf **mrq));
984263bc 669int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 670 struct thread *td, struct mbuf **mrq));
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671int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
672 struct nfssvc_sock *, struct sockaddr *, int *,
673 int, int));
674int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
675 struct export_args *));
676int nfs_ispublicfh __P((fhandle_t *));
677int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 678 struct thread *td, struct mbuf **mrq));
984263bc 679int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 680 struct thread *td, struct mbuf **mrq));
984263bc 681int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 682 struct thread *td, struct mbuf **mrq));
984263bc 683int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 684 struct thread *td, struct mbuf **mrq));
984263bc 685int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 686 struct thread *td, struct mbuf **mrq));
984263bc 687int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 688 struct thread *td, struct mbuf **mrq));
984263bc 689int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 690 struct thread *td, struct mbuf **mrq));
984263bc 691int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 692 struct thread *td, struct mbuf **mrq));
984263bc 693int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
dadab5e9 694 struct nfssvc_sock *slp, struct thread *td,
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695 struct mbuf **mrq));
696int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 697 struct thread *td, struct mbuf **mrq));
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698int nfsrv_readdir __P((struct nfsrv_descript *nfsd,
699 struct nfssvc_sock *slp,
dadab5e9 700 struct thread *td, struct mbuf **mrq));
984263bc 701int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
dadab5e9 702 struct nfssvc_sock *slp, struct thread *td,
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703 struct mbuf **mrq));
704int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
dadab5e9 705 struct nfssvc_sock *slp, struct thread *td,
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706 struct mbuf **mrq));
707int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 708 struct thread *td, struct mbuf **mrq));
984263bc 709int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 710 struct thread *td, struct mbuf **mrq));
984263bc 711int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 712 struct thread *td, struct mbuf **mrq));
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713int nfsrv_setattr __P((struct nfsrv_descript *nfsd,
714 struct nfssvc_sock *slp,
dadab5e9 715 struct thread *td, struct mbuf **mrq));
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716int nfsrv_statfs __P((struct nfsrv_descript *nfsd,
717 struct nfssvc_sock *slp,
dadab5e9 718 struct thread *td, struct mbuf **mrq));
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719int nfsrv_symlink __P((struct nfsrv_descript *nfsd,
720 struct nfssvc_sock *slp,
dadab5e9 721 struct thread *td, struct mbuf **mrq));
984263bc 722int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
dadab5e9 723 struct thread *td, struct mbuf **mrq));
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724void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag));
725void nfsrv_slpderef __P((struct nfssvc_sock *slp));
dadab5e9 726int nfs_meta_setsize __P((struct vnode *vp, struct ucred *cred, struct thread *td, u_quad_t nsize));
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727
728#endif /* _KERNEL */
729
730#endif