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 1.21 2008/09/17 21:44:24 dillon Exp $
48 #include <sys/vnode.h>
49 #include <sys/mutex.h>
50 #include <sys/thread.h>
53 * Tunable constants for nfs
56 #define NFS_MAXIOVEC 34
57 #define NFS_TICKINTVL 200 /* Desired time for a tick (msec) */
58 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
59 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
60 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
61 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
62 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
63 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
64 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
65 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
66 #define NFS_MAXGRPS 16 /* Max. size of groups list */
67 #ifndef NFS_MINATTRTIMO
68 #define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
70 #ifndef NFS_DEFATTRTIMO
71 #define NFS_DEFATTRTIMO 10 /* VREG attrib cache timeout in sec */
73 #ifndef NFS_MAXATTRTIMO
74 #define NFS_MAXATTRTIMO 60
76 #ifndef NFS_MINDIRATTRTIMO
77 #define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
79 #ifndef NFS_MAXDIRATTRTIMO
80 #define NFS_MAXDIRATTRTIMO 60
82 #ifndef NFS_DEADTHRESH
83 #define NFS_DEADTHRESH NFS_NEVERDEAD
85 #define NFS_NEVERDEAD 9
86 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
87 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
88 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
89 #define NFS_DEFRAHEAD 6 /* Def. read ahead # blocks */
90 #define NFS_MAXRAHEAD 32 /* Max. read ahead # blocks */
91 #define NFS_MAXASYNCBIO 64 /* Max. asynchronous BIOs */
92 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
93 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
94 #ifndef NFS_GATHERDELAY
95 #define NFS_GATHERDELAY 20 /* Default write gather delay (msec) */
97 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
99 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
102 #define NFS_ASYSCALE 256
103 #define NFS_MINASYNC_SCALED (4 * NFS_ASYSCALE)
104 #define NFS_MAXASYNC_SCALED (NFS_MAXASYNCBIO * NFS_ASYSCALE)
109 #define NMOD(a) ((a) % nfs_asyncdaemons)
110 #define NFS_CMPFH(n, f, s) \
111 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
112 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
113 #define NFS_SRVMAXDATA(n) \
114 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
115 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
118 * The IO_METASYNC flag should be implemented for local file systems.
119 * (Until then, it is nothin at all.)
122 #define IO_METASYNC 0
126 * Arguments to mount NFS
128 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */
130 int version; /* args structure version number */
131 struct sockaddr *addr; /* file server address */
132 int addrlen; /* length of address */
133 int sotype; /* Socket type */
134 int proto; /* and Protocol */
135 u_char *fh; /* File handle to be mounted */
136 int fhsize; /* Size, in bytes, of fh */
137 int flags; /* flags */
138 int wsize; /* write size in bytes */
139 int rsize; /* read size in bytes */
140 int readdirsize; /* readdir size in bytes */
141 int timeo; /* initial timeout in .1 secs */
142 int retrans; /* times to retry send */
143 int maxgrouplist; /* Max. size of group list */
144 int readahead; /* # of blocks to readahead */
145 int unused01; /* Term (sec) of lease */
146 int deadthresh; /* Retrans threshold */
147 char *hostname; /* server's name */
148 int acregmin; /* cache attrs for reg files min time */
149 int acregmax; /* cache attrs for reg files max time */
150 int acdirmin; /* cache attrs for dirs min time */
151 int acdirmax; /* cache attrs for dirs max time */
155 * NFS mount option flags
157 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
158 #define NFSMNT_WSIZE 0x00000002 /* set write size */
159 #define NFSMNT_RSIZE 0x00000004 /* set read size */
160 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
161 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
162 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
163 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
164 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
165 #define NFSMNT_FORCE 0x00000100 /* Forced unmount */
166 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
167 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
168 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
169 #define NFSMNT_CACHE 0x00001000 /* enable swapcache */
170 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
171 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
172 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
173 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
174 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
175 #define NFSMNT_ACREGMIN 0x00040000
176 #define NFSMNT_ACREGMAX 0x00080000
177 #define NFSMNT_ACDIRMIN 0x00100000
178 #define NFSMNT_ACDIRMAX 0x00200000
180 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
181 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
182 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
183 #define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
184 #define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
185 #define NFSSTA_DISMNT 0x00800000 /* Dismounted */
186 #define NFSSTA_SENDSPACE 0x01000000 /* Printed sendspace warning */
187 #define NFSSTA_UNUSED25 0x02000000
188 #define NFSSTA_UNUSED26 0x04000000
189 #define NFSSTA_UNUSED27 0x08000000
190 #define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
191 #define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
192 #define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
193 #define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
196 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
197 * should ever try and use it.
200 int sock; /* Socket to serve */
201 caddr_t name; /* Client addr for connection based sockets */
202 int namelen; /* Length of name */
205 struct nfsd_srvargs {
206 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
207 uid_t nsd_uid; /* Effective uid mapped to cred */
208 u_int32_t nsd_haddr; /* Ip address of client */
209 struct ucred nsd_cr; /* Cred. uid maps to */
210 u_int nsd_authlen; /* Length of auth string (ret) */
211 u_char *nsd_authstr; /* Auth string (ret) */
212 u_int nsd_verflen; /* and the verfier */
214 struct timeval nsd_timestamp; /* timestamp from verifier */
215 u_int32_t nsd_ttl; /* credential ttl (sec) */
216 NFSKERBKEY_T nsd_key; /* Session key */
220 char *ncd_dirp; /* Mount dir path */
221 uid_t ncd_authuid; /* Effective uid */
222 int ncd_authtype; /* Type of authenticator */
223 u_int ncd_authlen; /* Length of authenticator string */
224 u_char *ncd_authstr; /* Authenticator string */
225 u_int ncd_verflen; /* and the verifier */
227 NFSKERBKEY_T ncd_key; /* Session key */
231 * XXX to allow amd to include nfs.h without nfsproto.h
239 int attrcache_misses;
240 int lookupcache_hits;
241 int lookupcache_misses;
242 int direofcache_hits;
243 int direofcache_misses;
250 int biocache_readlinks;
252 int biocache_readdirs;
254 int rpccnt[NFS_NPROCS];
256 int srvrpccnt[NFS_NPROCS];
263 int srvcache_inproghits;
264 int srvcache_idemdonehits;
265 int srvcache_nonidemdonehits;
268 int srvnqnfs_maxleases;
269 int srvnqnfs_getleases;
271 int accesscache_hits;
272 int accesscache_misses;
277 * Flags for nfssvc() system call.
279 #define NFSSVC_BIOD 0x002
280 #define NFSSVC_NFSD 0x004
281 #define NFSSVC_ADDSOCK 0x008
282 #define NFSSVC_AUTHIN 0x010
283 #define NFSSVC_GOTAUTH 0x040
284 #define NFSSVC_AUTHINFAIL 0x080
285 #define NFSSVC_MNTD 0x100
288 * fs.nfs sysctl(3) identifiers
290 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
291 #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
293 #define FS_NFS_NAMES { \
295 { "nfsstats", CTLTYPE_STRUCT }, \
296 { "nfsprivport", CTLTYPE_INT }, \
301 #ifdef MALLOC_DECLARE
302 MALLOC_DECLARE(M_NFSREQ);
303 MALLOC_DECLARE(M_NFSDIROFF);
304 MALLOC_DECLARE(M_NFSRVDESC);
305 MALLOC_DECLARE(M_NFSUID);
306 MALLOC_DECLARE(M_NFSD);
307 MALLOC_DECLARE(M_NFSBIGFH);
308 MALLOC_DECLARE(M_NFSHASH);
311 extern struct objcache *nfsmount_objcache;
313 extern struct callout nfs_timer_handle;
314 extern int nfs_async;
315 extern int nfs_maxasyncbio;
316 extern int nfs_soreserve;
325 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
326 * What should be in this set is open to debate, but I believe that since
327 * I/O system calls on ufs are never interrupted by signals the set should
328 * be minimal. My reasoning is that many current programs that use signals
329 * such as SIGALRM will not expect file I/O system calls to be interrupted
332 #define NFSINT_SIGMASK(set) \
333 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
334 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
335 SIGISMEMBER(set, SIGQUIT))
338 * Socket errors ignored for connectionless sockets??
339 * For now, ignore them all
341 #define NFSIGNORE_SOERROR(s, e) \
342 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
343 ((s) & PR_CONNREQUIRED) == 0)
348 * Nfs outstanding request list element
351 TAILQ_ENTRY(nfsreq) r_chain;
352 struct nfsm_info *r_info;
353 struct mtx_link r_link;
358 struct nfsmount *r_nmp;
361 int r_flags; /* flags on request, see below */
362 int r_retry; /* max retransmission count */
363 int r_rexmit; /* current retrans count */
364 int r_timer; /* tick counter on reply */
365 u_int32_t r_procnum; /* NFS procedure number */
366 int r_rtt; /* RTT for rpc */
367 struct thread *r_td; /* Thread that did I/O system call */
368 struct mbuf *r_mrest;
369 struct mbuf *r_mheadend;
376 struct ucred *r_cred;
380 * Flag values for r_flags
382 * R_TIMING - Timer is active on request. If timer goes off the
383 * request's retransmit counter will bump and it will
384 * be flagged NEEDSXMIT to retransmit.
386 * R_SENT - Indicates that the request was sent the first time.
387 * This stays set unless we want to repeat a first-time
388 * styled transmit sequence.
390 * R_NEEDSXMIT - The request needs a [re]transmission. It will still
391 * be sitting on nm_reqq if synchronous, otherwise it
392 * will be moved to nm_reqtxq.
394 * R_ASYNC - Indicates an asynchronous request, which modifies the
395 * behavior of how it is dealt with.
397 * R_LOCKED - Prevents the request from being moved between queues
398 * e.g. by the timer or by the async thread.
400 #define R_TIMING 0x0001 /* timing request (in mntp) */
401 #define R_SENT 0x0002 /* request has been sent */
402 #define R_SOFTTERM 0x0004 /* soft mnt, too many retries */
403 #define R_INTR 0x0008 /* intr mnt, signal pending */
404 #define R_SOCKERR 0x0010 /* Fatal error on socket */
405 #define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */
406 #define R_NEEDSXMIT 0x0040 /* Needs [re]transmission */
407 #define R_ASYNC 0x0080 /* Asynchronous mechanics */
408 #define R_ONREQQ 0x0100 /* On primary request queue */
409 #define R_LOCKED 0x0200 /* Locked by the someone */
410 #define R_WANTED 0x0400 /* Someone wants access */
413 * A list of nfssvc_sock structures is maintained with all the sockets
414 * that require service by the nfsd.
415 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
416 * and uid hash lists.
418 #ifndef NFS_UIDHASHSIZ
419 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
421 #define NUIDHASH(sock, uid) \
422 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
423 #ifndef NFS_WDELAYHASHSIZ
424 #define NFS_WDELAYHASHSIZ 16 /* and with this */
426 #define NWDELAYHASH(sock, f) \
427 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
428 #ifndef NFS_MUIDHASHSIZ
429 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
431 #define NMUIDHASH(nmp, uid) \
432 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
435 * Network address hash list element
438 u_int32_t had_inetaddr;
439 struct sockaddr *had_nam;
443 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
444 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
445 int nu_flag; /* Flags */
446 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
447 struct ucred nu_cr; /* Cred uid mapped to */
448 int nu_expire; /* Expiry time (sec) */
449 struct timeval nu_timestamp; /* Kerb. timestamp */
450 u_int32_t nu_nickname; /* Nickname on server */
451 NFSKERBKEY_T nu_key; /* and session key */
454 #define nu_inetaddr nu_haddr.had_inetaddr
455 #define nu_nam nu_haddr.had_nam
456 /* Bits for nu_flag */
457 #define NU_INETADDR 0x1
459 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
462 STAILQ_ENTRY(nfsrv_rec) nr_link;
463 struct sockaddr *nr_address;
464 struct mbuf *nr_packet;
468 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
469 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
471 struct socket *ns_so;
472 struct sockaddr *ns_nam;
474 struct mbuf *ns_rawend;
475 STAILQ_HEAD(, nfsrv_rec) ns_rec;
476 struct mbuf *ns_frag;
479 u_int32_t ns_needq_upcall;
480 struct mtx ns_solock;
485 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
486 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
487 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
488 struct lwkt_token ns_token;
491 /* Bits for "ns_flag" */
492 #define SLP_VALID 0x0001
493 #define SLP_DOREC 0x0002 /* socket holding at least one record */
494 #define SLP_NEEDQ 0x0004 /* socket needs general rx processing */
495 #define SLP_DISCONN 0x0008
496 #define SLP_GETSTREAM 0x0010 /* receive stream interlock */
497 #define SLP_LASTFRAG 0x0020
499 #define SLP_ALLFLAGS 0xff
500 #define SLP_ACTION_MASK (SLP_NEEDQ | SLP_DOREC | SLP_DISCONN)
502 extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
503 extern int nfssvc_sockhead_flag;
504 extern TAILQ_HEAD(nfsmount_head, nfsmount) nfs_mountq;
506 #define SLP_INIT 0x01
507 #define SLP_WANTINIT 0x02
510 * One of these structures is allocated for each nfsd.
513 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
514 int nfsd_flag; /* NFSD_ flags */
515 struct nfssvc_sock *nfsd_slp; /* Current socket */
516 int nfsd_authlen; /* Authenticator len */
517 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
518 int nfsd_verflen; /* and the Verifier */
519 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
520 struct thread *nfsd_td; /* thread ptr */
521 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
524 /* Bits for "nfsd_flag" */
525 #define NFSD_WAITING 0x01
526 #define NFSD_REQINPROG 0x02
527 #define NFSD_NEEDAUTH 0x04
528 #define NFSD_AUTHFAIL 0x08
530 /* Bits for loadattrcache */
531 #define NFS_LATTR_NOSHRINK 0x01
532 #define NFS_LATTR_NOMTIMECHECK 0x02
534 #define NFSRV_RECLIMIT(slp) ((slp)->ns_numrec >= nfsd_waiting + 4)
537 * This structure is used by the server for describing each request.
538 * Some fields are used only when write request gathering is performed.
540 struct nfsrv_descript {
541 u_quad_t nd_time; /* Write deadline (usec) */
542 off_t nd_off; /* Start byte offset */
543 off_t nd_eoff; /* and end byte offset */
544 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
545 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
546 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
547 struct mbuf *nd_mrep; /* Request mbuf list */
548 struct mbuf *nd_md; /* Current dissect mbuf */
549 struct mbuf *nd_mreq; /* Reply mbuf list */
550 struct sockaddr *nd_nam; /* and socket addr */
551 struct sockaddr *nd_nam2; /* return socket addr */
552 caddr_t nd_dpos; /* Current dissect pos */
553 u_int32_t nd_procnum; /* RPC # */
554 int nd_stable; /* storage type */
555 int nd_flag; /* nd_flag */
556 int nd_len; /* Length of this write */
557 int nd_repstat; /* Reply status */
558 u_int32_t nd_retxid; /* Reply xid */
559 struct timeval nd_starttime; /* Time RPC initiated */
560 fhandle_t nd_fh; /* File handle */
561 struct ucred nd_cr; /* Credentials */
564 /* Bits for "nd_flag" */
566 #define ND_WRITE 0x02
567 #define ND_CHECK 0x04
568 #define ND_NFSV3 0x08
569 #define ND_UNUSED010 0x10
570 #define ND_KERBNICK 0x20
571 #define ND_KERBFULL 0x40
572 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
574 extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
575 extern int nfsd_head_flag;
576 extern int nfsd_waiting;
577 #define NFSD_CHECKSLP 0x01
580 * These macros compare nfsrv_descript structures.
582 #define NFSW_CONTIG(o, n) \
583 ((o)->nd_eoff >= (n)->nd_off && \
584 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
586 #define NFSW_SAMECRED(o, n) \
587 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
588 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
589 sizeof (struct ucred)))
595 #define WEBNFS_ESC_CHAR '%'
596 #define WEBNFS_SPECCHAR_START 0x80
598 #define WEBNFS_NATIVE_CHAR 0x80
601 * Possibly more here in the future.
605 * Macro for converting escape characters in WebNFS pathnames.
606 * Should really be in libkern.
610 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
611 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
612 #define HEXSTRTOI(p) \
613 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
617 extern int nfs_debug;
618 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
619 #define NFS_DEBUG_WG 2 /* server write gathering */
620 #define NFS_DEBUG_RC 4 /* server request caching */
622 #define NFS_DPF(cat, args) \
624 if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \
629 #define NFS_DPF(cat, args)
633 extern u_int32_t nfs_xdrneg1;
634 extern u_int32_t rpc_reply, rpc_msgdenied, rpc_mismatch, rpc_vers;
635 extern u_int32_t rpc_auth_unix, rpc_msgaccepted, rpc_call, rpc_autherr;
636 extern u_int32_t rpc_auth_kerb;
637 extern u_int32_t nfs_prog, nfs_true, nfs_false;
638 extern struct nfsstats nfsstats;
639 extern nfstype nfsv2_type[9];
640 extern nfstype nfsv3_type[9];
641 extern int nfsv2_procid[NFS_NPROCS];
642 extern enum vtype nv3tov_type[8];
643 extern int nfsv3_procid[NFS_NPROCS];
644 extern int nfs_ticks;
645 extern struct nfsrtt nfsrtt;
647 extern int nfsrvw_procrastinate;
648 extern int nfsrvw_procrastinate_v3;
649 extern int32_t (*nfsrv3_procs[NFS_NPROCS]) (struct nfsrv_descript *nd,
650 struct nfssvc_sock *slp,
652 struct mbuf **mreqp);
654 extern struct nfsv3_diskless nfsv3_diskless;
655 extern struct lwkt_token nfs_token;
657 u_quad_t nfs_curusec (void);
658 int nfs_init (struct vfsconf *vfsp);
659 int nfs_uninit (struct vfsconf *vfsp);
660 int nfs_reply (struct nfsmount *nmp, struct nfsreq *);
661 int nfs_getreq (struct nfsrv_descript *,struct nfsd *,int);
662 int nfs_send (struct socket *, struct sockaddr *, struct mbuf *,
664 int nfs_rephead (int, struct nfsrv_descript *, struct nfssvc_sock *,
665 int, struct mbuf **, struct mbuf **, caddr_t *);
666 int nfs_sndlock (struct nfsmount *, struct nfsreq *);
667 void nfs_sndunlock (struct nfsmount *);
668 int nfs_slplock (struct nfssvc_sock *, int);
669 void nfs_slpunlock (struct nfssvc_sock *);
670 int nfs_disct (struct mbuf **, caddr_t *, int, int, caddr_t *);
671 int nfs_vinvalbuf (struct vnode *, int, int);
672 int nfs_readrpc_uio (struct vnode *, struct uio *);
673 void nfs_readrpc_bio (struct vnode *, struct bio *);
674 int nfs_writerpc_uio (struct vnode *, struct uio *, int *, int *);
675 void nfs_writerpc_bio (struct vnode *, struct bio *);
676 int nfs_commitrpc_uio (struct vnode *vp, u_quad_t offset, int cnt,
678 void nfs_commitrpc_bio (struct vnode *vp, struct bio *);
679 int nfs_readdirrpc_uio (struct vnode *, struct uio *);
680 void nfs_startio(struct vnode *vp, struct bio *, struct thread *);
681 int nfs_doio(struct vnode *vp, struct bio *, struct thread *);
682 void nfs_asyncio(struct vnode *vp, struct bio *bio);
683 int nfs_asyncok(struct nfsmount *nmp);
685 int nfs_readlinkrpc_uio (struct vnode *, struct uio *);
686 int nfs_sigintr (struct nfsmount *, struct nfsreq *, struct thread *);
687 int nfs_readdirplusrpc_uio (struct vnode *, struct uio *);
688 int netaddr_match (int, union nethostaddr *, struct sockaddr *);
690 int nfs_loadattrcache (struct vnode *, struct mbuf **, caddr_t *,
691 struct vattr *, int);
692 int nfs_namei (struct nlookupdata *, struct ucred *, int,
693 struct vnode **, struct vnode **, fhandle_t *, int,
694 struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
695 caddr_t *, struct vnode **, struct thread *, int, int);
696 void nfsrv_initcache (void);
697 int nfs_getauth (struct nfsmount *, struct nfsreq *, struct ucred *,
698 char **, int *, char *, int *, NFSKERBKEY_T);
699 int nfs_getnickauth (struct nfsmount *, struct ucred *, char **,
701 int nfs_savenickauth (struct nfsmount *, struct ucred *, int,
702 NFSKERBKEY_T, struct mbuf **, char **,
704 int nfs_adv (struct mbuf **, caddr_t *, int, int);
705 void nfs_nhinit (void);
706 int nfs_nmcancelreqs (struct nfsmount *);
707 void nfs_timer_callout (void*);
708 int nfsrv_dorec (struct nfssvc_sock *, struct nfsd *,
709 struct nfsrv_descript **);
710 int nfsrv_getcache (struct nfsrv_descript *, struct nfssvc_sock *,
712 void nfsrv_updatecache (struct nfsrv_descript *, int, struct mbuf *);
713 void nfsrv_cleancache (void);
714 int nfs_connect (struct nfsmount *, struct nfsreq *);
715 void nfs_disconnect (struct nfsmount *);
716 void nfs_safedisconnect (struct nfsmount *);
717 int nfs_getattrcache (struct vnode *, struct vattr *);
718 int nfs_bioread (struct vnode *, struct uio *, int);
719 void nfsrv_init (int);
720 void nfs_clearcommit (struct mount *);
721 int nfsrv_errmap (struct nfsrv_descript *, int);
722 void nfsrvw_sort (gid_t *, int);
723 void nfsrv_setcred (struct ucred *, struct ucred *);
724 int nfsrv_object_create (struct vnode *);
725 void nfsrv_wakenfsd (struct nfssvc_sock *slp, int nparallel);
726 int nfsrv_writegather (struct nfsrv_descript **, struct nfssvc_sock *,
727 struct thread *, struct mbuf **);
728 int nfs_fsinfo (struct nfsmount *, struct vnode *, struct thread *p);
730 int nfsrv3_access (struct nfsrv_descript *nfsd,
731 struct nfssvc_sock *slp,
732 struct thread *td, struct mbuf **mrq);
733 int nfsrv_commit (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
734 struct thread *td, struct mbuf **mrq);
735 int nfsrv_create (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
736 struct thread *td, struct mbuf **mrq);
737 int nfsrv_fhtovp (fhandle_t *, int, struct mount **, struct vnode **,
738 struct ucred *, struct nfssvc_sock *,
739 struct sockaddr *, int *, int, int);
740 int nfsrv_setpublicfs (struct mount *, struct netexport *,
741 struct export_args *);
742 int nfs_ispublicfh (fhandle_t *);
743 int nfsrv_fsinfo (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
744 struct thread *td, struct mbuf **mrq);
745 int nfsrv_getattr (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
746 struct thread *td, struct mbuf **mrq);
747 int nfsrv_link (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
748 struct thread *td, struct mbuf **mrq);
749 int nfsrv_lookup (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
750 struct thread *td, struct mbuf **mrq);
751 int nfsrv_mkdir (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
752 struct thread *td, struct mbuf **mrq);
753 int nfsrv_mknod (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
754 struct thread *td, struct mbuf **mrq);
755 int nfsrv_noop (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
756 struct thread *td, struct mbuf **mrq);
757 int nfsrv_null (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
758 struct thread *td, struct mbuf **mrq);
759 int nfsrv_pathconf (struct nfsrv_descript *nfsd,
760 struct nfssvc_sock *slp, struct thread *td,
762 int nfsrv_read (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
763 struct thread *td, struct mbuf **mrq);
764 int nfsrv_readdir (struct nfsrv_descript *nfsd,
765 struct nfssvc_sock *slp,
766 struct thread *td, struct mbuf **mrq);
767 int nfsrv_readdirplus (struct nfsrv_descript *nfsd,
768 struct nfssvc_sock *slp, struct thread *td,
770 int nfsrv_readlink (struct nfsrv_descript *nfsd,
771 struct nfssvc_sock *slp, struct thread *td,
773 int nfsrv_remove (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
774 struct thread *td, struct mbuf **mrq);
775 int nfsrv_rename (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
776 struct thread *td, struct mbuf **mrq);
777 int nfsrv_rmdir (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
778 struct thread *td, struct mbuf **mrq);
779 int nfsrv_setattr (struct nfsrv_descript *nfsd,
780 struct nfssvc_sock *slp,
781 struct thread *td, struct mbuf **mrq);
782 int nfsrv_statfs (struct nfsrv_descript *nfsd,
783 struct nfssvc_sock *slp,
784 struct thread *td, struct mbuf **mrq);
785 int nfsrv_symlink (struct nfsrv_descript *nfsd,
786 struct nfssvc_sock *slp,
787 struct thread *td, struct mbuf **mrq);
788 int nfsrv_write (struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
789 struct thread *td, struct mbuf **mrq);
790 void nfsrv_rcv (struct socket *so, void *arg, int waitflag);
791 void nfsrv_rcv_upcall (struct socket *so, void *arg, int waitflag);
792 void nfsrv_slpderef (struct nfssvc_sock *slp);
793 void nfsrv_slpref (struct nfssvc_sock *slp);
794 int nfs_meta_setsize (struct vnode *vp, struct thread *td,
795 off_t nbase, int trivial);
796 int nfs_clientd(struct nfsmount *nmp, struct ucred *cred,
797 struct nfsd_cargs *ncd, int flag, caddr_t argp,
799 void nfssvc_iod_reader(void *arg);
800 void nfssvc_iod_writer(void *arg);
801 void nfssvc_iod_stop1(struct nfsmount *nmp);
802 void nfssvc_iod_stop2(struct nfsmount *nmp);
803 void nfssvc_iod_writer_wakeup(struct nfsmount *nmp);
804 void nfssvc_iod_reader_wakeup(struct nfsmount *nmp);