2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
40 * Functions that need to be different for different versions of BSD
41 * kernel should be kept here, along with any global storage specific
42 * to this BSD variant.
44 #include <fs/nfs/nfsport.h>
46 #include <sys/sysctl.h>
47 #include <sys/taskqueue.h>
48 #include <rpc/rpc_com.h>
50 #include <vm/vm_object.h>
51 #include <vm/vm_page.h>
52 #include <vm/vm_param.h>
53 #include <vm/vm_map.h>
54 #include <vm/vm_kern.h>
55 #include <vm/vm_extern.h>
58 extern int nfscl_ticks;
59 extern int nfsrv_nfsuserd;
60 extern struct nfssockreq nfsrv_nfsuserdsock;
61 extern void (*nfsd_call_recall)(struct vnode *, int, struct ucred *,
63 extern int nfsrv_useacl;
64 struct mount nfsv4root_mnt;
65 int newnfs_numnfsd = 0;
66 struct nfsstatsv1 nfsstatsv1;
67 int nfs_numnfscbd = 0;
68 int nfscl_debuglevel = 0;
69 char nfsv4_callbackaddr[INET6_ADDRSTRLEN];
70 struct callout newnfsd_callout;
71 int nfsrv_lughashsize = 100;
72 void (*nfsd_call_servertimer)(void) = NULL;
73 void (*ncl_call_invalcaches)(struct vnode *) = NULL;
75 int nfs_pnfsio(task_fn_t *, void *);
77 static int nfs_realign_test;
78 static int nfs_realign_count;
79 static struct ext_nfsstats oldnfsstats;
81 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW, 0, "NFS filesystem");
82 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test,
83 0, "Number of realign tests done");
84 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count,
85 0, "Number of mbuf realignments done");
86 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW,
87 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr),
88 "NFSv4 callback addr for server to use");
89 SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel,
90 0, "Debug level for NFS client");
91 SYSCTL_INT(_vfs_nfs, OID_AUTO, userhashsize, CTLFLAG_RDTUN, &nfsrv_lughashsize,
92 0, "Size of hash tables for uid/name mapping");
93 int nfs_pnfsiothreads = 0;
94 SYSCTL_INT(_vfs_nfs, OID_AUTO, pnfsiothreads, CTLFLAG_RW, &nfs_pnfsiothreads,
95 0, "Number of pNFS mirror I/O threads");
99 * (Here for FreeBSD, since they allocate storage.)
101 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache");
102 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id");
103 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state",
104 "NFSD V4 State (Openowner, Open, Lockowner, Delegation");
105 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock");
106 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file");
107 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string");
108 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map");
109 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header");
110 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle");
111 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner");
112 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open");
113 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation");
114 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client");
115 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner");
116 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock");
117 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "NFS vnode");
118 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "NFS Direct IO buffer");
119 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroffdiroff",
120 "NFS directory offset data");
121 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback",
122 "NFS local lock rollback");
123 MALLOC_DEFINE(M_NEWNFSLAYOUT, "NFSCL layout", "NFSv4.1 Layout");
124 MALLOC_DEFINE(M_NEWNFSFLAYOUT, "NFSCL flayout", "NFSv4.1 File Layout");
125 MALLOC_DEFINE(M_NEWNFSDEVINFO, "NFSCL devinfo", "NFSv4.1 Device Info");
126 MALLOC_DEFINE(M_NEWNFSSOCKREQ, "NFSCL sockreq", "NFS Sock Req");
127 MALLOC_DEFINE(M_NEWNFSCLDS, "NFSCL session", "NFSv4.1 Session");
128 MALLOC_DEFINE(M_NEWNFSLAYRECALL, "NFSCL layrecall", "NFSv4.1 Layout Recall");
129 MALLOC_DEFINE(M_NEWNFSDSESSION, "NFSD session", "NFSD Session for a client");
132 * Definition of mutex locks.
133 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list
134 * and assorted other nfsd structures.
136 struct mtx newnfsd_mtx;
137 struct mtx nfs_sockl_mutex;
138 struct mtx nfs_state_mutex;
139 struct mtx nfs_nameid_mutex;
140 struct mtx nfs_req_mutex;
141 struct mtx nfs_slock_mutex;
142 struct mtx nfs_clstate_mutex;
144 /* local functions */
145 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *);
147 #ifdef __NO_STRICT_ALIGNMENT
149 * These architectures don't need re-alignment, so just return.
152 newnfs_realign(struct mbuf **pm, int how)
157 #else /* !__NO_STRICT_ALIGNMENT */
161 * Check for badly aligned mbuf data and realign by copying the unaligned
162 * portion of the data into a new mbuf chain and freeing the portions
163 * of the old chain that were replaced.
165 * We cannot simply realign the data within the existing mbuf chain
166 * because the underlying buffers may contain other rpc commands and
167 * we cannot afford to overwrite them.
169 * We would prefer to avoid this situation entirely. The situation does
170 * not occur with NFS/UDP and is supposed to only occasionally occur
171 * with TCP. Use vfs.nfs.realign_count and realign_test to check this.
175 newnfs_realign(struct mbuf **pm, int how)
181 while ((m = *pm) != NULL) {
182 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) {
184 * NB: we can't depend on m_pkthdr.len to help us
185 * decide what to do here. May not be worth doing
186 * the m_length calculation as m_copyback will
187 * expand the mbuf chain below as needed.
189 space = m_length(m, NULL);
190 if (space >= MINCLSIZE) {
191 /* NB: m_copyback handles space > MCLBYTES */
192 n = m_getcl(how, MT_DATA, 0);
194 n = m_get(how, MT_DATA);
198 * Align the remainder of the mbuf chain.
203 m_copyback(n, off, m->m_len, mtod(m, caddr_t));
217 #endif /* __NO_STRICT_ALIGNMENT */
221 nfsrv_object_create(struct vnode *vp, struct thread *td)
224 if (vp == NULL || vp->v_type != VREG)
226 (void) vfs_object_create(vp, td, td->td_ucred);
231 * Look up a file name. Basically just initialize stuff and call namei().
234 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p)
238 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, fname,
242 NDFREE(ndp, NDF_ONLY_PNBUF);
248 * Copy NFS uid, gids to the cred structure.
251 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr)
254 KASSERT(nfscr->nfsc_ngroups >= 0,
255 ("newnfs_copycred: negative nfsc_ngroups"));
256 cr->cr_uid = nfscr->nfsc_uid;
257 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups);
261 * Map args from nfsmsleep() to msleep().
264 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg,
271 timeo = hz * ts->tv_sec;
272 nsecval = (u_int64_t)ts->tv_nsec;
273 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) /
275 timeo += (int)nsecval;
279 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo);
284 * Get the file system info for the server. For now, just assume FFS.
287 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram)
293 * There should be file system VFS OP(s) to get this information.
294 * For now, assume ufs.
297 pref = NFS_MAXDGRAMDATA;
300 sip->fs_rtmax = NFS_SRVMAXIO;
301 sip->fs_rtpref = pref;
302 sip->fs_rtmult = NFS_FABLKSIZE;
303 sip->fs_wtmax = NFS_SRVMAXIO;
304 sip->fs_wtpref = pref;
305 sip->fs_wtmult = NFS_FABLKSIZE;
306 sip->fs_dtpref = pref;
307 sip->fs_maxfilesize = 0xffffffffffffffffull;
308 sip->fs_timedelta.tv_sec = 0;
309 sip->fs_timedelta.tv_nsec = 1;
310 sip->fs_properties = (NFSV3FSINFO_LINK |
311 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS |
312 NFSV3FSINFO_CANSETTIME);
316 * Do the pathconf vnode op.
319 nfsvno_pathconf(struct vnode *vp, int flag, long *retf,
320 struct ucred *cred, struct thread *p)
324 error = VOP_PATHCONF(vp, flag, retf);
325 if (error == EOPNOTSUPP || error == EINVAL) {
327 * Some file systems return EINVAL for name arguments not
328 * supported and some return EOPNOTSUPP for this case.
329 * So the NFSv3 Pathconf RPC doesn't fail for these cases,
334 *retf = NFS_LINK_MAX;
339 case _PC_CHOWN_RESTRICTED:
347 * Only happens if a _PC_xxx is added to the server,
348 * but this isn't updated.
351 printf("nfsrvd pathconf flag=%d not supp\n", flag);
359 /* Fake nfsrv_atroot. Just return 0 */
361 nfsrv_atroot(struct vnode *vp, uint64_t *retp)
368 * Set the credentials to refer to root.
369 * If only the various BSDen could agree on whether cr_gid is a separate
370 * field or cr_groups[0]...
373 newnfs_setroot(struct ucred *cred)
377 cred->cr_groups[0] = 0;
378 cred->cr_ngroups = 1;
382 * Get the client credential. Used for Renew and recovery.
388 struct thread *td = curthread;
390 cred = crdup(td->td_ucred);
391 newnfs_setroot(cred);
397 * Call the nfsd's timer function once/sec.
400 newnfs_timer(void *arg)
402 static time_t lasttime = 0;
404 * Call the server timer, if set up.
405 * The argument indicates if it is the next second and therefore
406 * leases should be checked.
408 if (lasttime != NFSD_MONOSEC) {
409 lasttime = NFSD_MONOSEC;
410 if (nfsd_call_servertimer != NULL)
411 (*nfsd_call_servertimer)();
413 callout_reset(&newnfsd_callout, nfscl_ticks, newnfs_timer, NULL);
418 * Sleep for a short period of time unless errval == NFSERR_GRACE, where
419 * the sleep should be for 5 seconds.
420 * Since lbolt doesn't exist in FreeBSD-CURRENT, just use a timeout on
421 * an event that never gets a wakeup. Only return EINTR or 0.
424 nfs_catnap(int prio, int errval, const char *wmesg)
426 static int non_event;
429 if (errval == NFSERR_GRACE)
430 ret = tsleep(&non_event, prio, wmesg, 5 * hz);
432 ret = tsleep(&non_event, prio, wmesg, 1);
439 * Get referral. For now, just fail.
442 nfsv4root_getreferral(struct vnode *vp, struct vnode *dvp, u_int32_t fileno)
449 nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap)
453 error = nfssvc_call(td, uap, td->td_ucred);
459 nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
461 int error = EINVAL, i, j;
462 struct nfsd_idargs nid;
463 struct nfsd_oidargs onid;
465 int vers; /* Just the first field of nfsstats. */
468 if (uap->flag & NFSSVC_IDNAME) {
469 if ((uap->flag & NFSSVC_NEWSTRUCT) != 0)
470 error = copyin(uap->argp, &nid, sizeof(nid));
472 error = copyin(uap->argp, &onid, sizeof(onid));
474 nid.nid_flag = onid.nid_flag;
475 nid.nid_uid = onid.nid_uid;
476 nid.nid_gid = onid.nid_gid;
477 nid.nid_usermax = onid.nid_usermax;
478 nid.nid_usertimeout = onid.nid_usertimeout;
479 nid.nid_name = onid.nid_name;
480 nid.nid_namelen = onid.nid_namelen;
487 error = nfssvc_idname(&nid);
489 } else if (uap->flag & NFSSVC_GETSTATS) {
490 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
491 /* Copy fields to the old ext_nfsstat structure. */
492 oldnfsstats.attrcache_hits =
493 nfsstatsv1.attrcache_hits;
494 oldnfsstats.attrcache_misses =
495 nfsstatsv1.attrcache_misses;
496 oldnfsstats.lookupcache_hits =
497 nfsstatsv1.lookupcache_hits;
498 oldnfsstats.lookupcache_misses =
499 nfsstatsv1.lookupcache_misses;
500 oldnfsstats.direofcache_hits =
501 nfsstatsv1.direofcache_hits;
502 oldnfsstats.direofcache_misses =
503 nfsstatsv1.direofcache_misses;
504 oldnfsstats.accesscache_hits =
505 nfsstatsv1.accesscache_hits;
506 oldnfsstats.accesscache_misses =
507 nfsstatsv1.accesscache_misses;
508 oldnfsstats.biocache_reads =
509 nfsstatsv1.biocache_reads;
510 oldnfsstats.read_bios =
511 nfsstatsv1.read_bios;
512 oldnfsstats.read_physios =
513 nfsstatsv1.read_physios;
514 oldnfsstats.biocache_writes =
515 nfsstatsv1.biocache_writes;
516 oldnfsstats.write_bios =
517 nfsstatsv1.write_bios;
518 oldnfsstats.write_physios =
519 nfsstatsv1.write_physios;
520 oldnfsstats.biocache_readlinks =
521 nfsstatsv1.biocache_readlinks;
522 oldnfsstats.readlink_bios =
523 nfsstatsv1.readlink_bios;
524 oldnfsstats.biocache_readdirs =
525 nfsstatsv1.biocache_readdirs;
526 oldnfsstats.readdir_bios =
527 nfsstatsv1.readdir_bios;
528 for (i = 0; i < NFSV4_NPROCS; i++)
529 oldnfsstats.rpccnt[i] = nfsstatsv1.rpccnt[i];
530 oldnfsstats.rpcretries = nfsstatsv1.rpcretries;
531 for (i = 0; i < NFSV4OP_NOPS; i++)
532 oldnfsstats.srvrpccnt[i] =
533 nfsstatsv1.srvrpccnt[i];
534 for (i = NFSV42_NOPS, j = NFSV4OP_NOPS;
535 i < NFSV42_NOPS + NFSV4OP_FAKENOPS; i++, j++)
536 oldnfsstats.srvrpccnt[j] =
537 nfsstatsv1.srvrpccnt[i];
538 oldnfsstats.srvrpc_errs = nfsstatsv1.srvrpc_errs;
539 oldnfsstats.srv_errs = nfsstatsv1.srv_errs;
540 oldnfsstats.rpcrequests = nfsstatsv1.rpcrequests;
541 oldnfsstats.rpctimeouts = nfsstatsv1.rpctimeouts;
542 oldnfsstats.rpcunexpected = nfsstatsv1.rpcunexpected;
543 oldnfsstats.rpcinvalid = nfsstatsv1.rpcinvalid;
544 oldnfsstats.srvcache_inproghits =
545 nfsstatsv1.srvcache_inproghits;
546 oldnfsstats.srvcache_idemdonehits =
547 nfsstatsv1.srvcache_idemdonehits;
548 oldnfsstats.srvcache_nonidemdonehits =
549 nfsstatsv1.srvcache_nonidemdonehits;
550 oldnfsstats.srvcache_misses =
551 nfsstatsv1.srvcache_misses;
552 oldnfsstats.srvcache_tcppeak =
553 nfsstatsv1.srvcache_tcppeak;
554 oldnfsstats.srvcache_size = nfsstatsv1.srvcache_size;
555 oldnfsstats.srvclients = nfsstatsv1.srvclients;
556 oldnfsstats.srvopenowners = nfsstatsv1.srvopenowners;
557 oldnfsstats.srvopens = nfsstatsv1.srvopens;
558 oldnfsstats.srvlockowners = nfsstatsv1.srvlockowners;
559 oldnfsstats.srvlocks = nfsstatsv1.srvlocks;
560 oldnfsstats.srvdelegates = nfsstatsv1.srvdelegates;
561 for (i = 0; i < NFSV4OP_CBNOPS; i++)
562 oldnfsstats.cbrpccnt[i] =
563 nfsstatsv1.cbrpccnt[i];
564 oldnfsstats.clopenowners = nfsstatsv1.clopenowners;
565 oldnfsstats.clopens = nfsstatsv1.clopens;
566 oldnfsstats.cllockowners = nfsstatsv1.cllockowners;
567 oldnfsstats.cllocks = nfsstatsv1.cllocks;
568 oldnfsstats.cldelegates = nfsstatsv1.cldelegates;
569 oldnfsstats.cllocalopenowners =
570 nfsstatsv1.cllocalopenowners;
571 oldnfsstats.cllocalopens = nfsstatsv1.cllocalopens;
572 oldnfsstats.cllocallockowners =
573 nfsstatsv1.cllocallockowners;
574 oldnfsstats.cllocallocks = nfsstatsv1.cllocallocks;
575 error = copyout(&oldnfsstats, uap->argp,
576 sizeof (oldnfsstats));
578 error = copyin(uap->argp, &nfsstatver,
580 if (error == 0 && nfsstatver.vers != NFSSTATS_V1)
583 error = copyout(&nfsstatsv1, uap->argp,
584 sizeof (nfsstatsv1));
587 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
588 nfsstatsv1.attrcache_hits = 0;
589 nfsstatsv1.attrcache_misses = 0;
590 nfsstatsv1.lookupcache_hits = 0;
591 nfsstatsv1.lookupcache_misses = 0;
592 nfsstatsv1.direofcache_hits = 0;
593 nfsstatsv1.direofcache_misses = 0;
594 nfsstatsv1.accesscache_hits = 0;
595 nfsstatsv1.accesscache_misses = 0;
596 nfsstatsv1.biocache_reads = 0;
597 nfsstatsv1.read_bios = 0;
598 nfsstatsv1.read_physios = 0;
599 nfsstatsv1.biocache_writes = 0;
600 nfsstatsv1.write_bios = 0;
601 nfsstatsv1.write_physios = 0;
602 nfsstatsv1.biocache_readlinks = 0;
603 nfsstatsv1.readlink_bios = 0;
604 nfsstatsv1.biocache_readdirs = 0;
605 nfsstatsv1.readdir_bios = 0;
606 nfsstatsv1.rpcretries = 0;
607 nfsstatsv1.rpcrequests = 0;
608 nfsstatsv1.rpctimeouts = 0;
609 nfsstatsv1.rpcunexpected = 0;
610 nfsstatsv1.rpcinvalid = 0;
611 bzero(nfsstatsv1.rpccnt,
612 sizeof(nfsstatsv1.rpccnt));
614 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
615 nfsstatsv1.srvrpc_errs = 0;
616 nfsstatsv1.srv_errs = 0;
617 nfsstatsv1.srvcache_inproghits = 0;
618 nfsstatsv1.srvcache_idemdonehits = 0;
619 nfsstatsv1.srvcache_nonidemdonehits = 0;
620 nfsstatsv1.srvcache_misses = 0;
621 nfsstatsv1.srvcache_tcppeak = 0;
622 bzero(nfsstatsv1.srvrpccnt,
623 sizeof(nfsstatsv1.srvrpccnt));
624 bzero(nfsstatsv1.cbrpccnt,
625 sizeof(nfsstatsv1.cbrpccnt));
629 } else if (uap->flag & NFSSVC_NFSUSERDPORT) {
631 struct sockaddr *sad;
632 struct sockaddr_un *sun;
634 if ((uap->flag & NFSSVC_NEWSTRUCT) != 0) {
635 /* New nfsuserd using an AF_LOCAL socket. */
636 sun = malloc(sizeof(struct sockaddr_un), M_SONAME,
638 error = copyinstr(uap->argp, sun->sun_path,
639 sizeof(sun->sun_path), NULL);
644 sun->sun_family = AF_LOCAL;
645 sun->sun_len = SUN_LEN(sun);
647 sad = (struct sockaddr *)sun;
649 error = copyin(uap->argp, (caddr_t)&sockport,
654 error = nfsrv_nfsuserdport(sad, sockport, p);
655 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) {
656 nfsrv_nfsuserddelport();
666 * called by all three modevent routines, so that it gets things
667 * initialized soon enough.
670 newnfs_portinit(void)
672 static int inited = 0;
677 /* Initialize SMP locks used by both client and server. */
678 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF);
679 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF);
680 mtx_init(&nfs_clstate_mutex, "nfs_clstate_mutex", NULL, MTX_DEF);
684 * Determine if the file system supports NFSv4 ACLs.
685 * Return 1 if it does, 0 otherwise.
688 nfs_supportsnfsv4acls(struct vnode *vp)
693 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls");
695 if (nfsrv_useacl == 0)
697 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval);
698 if (error == 0 && retval != 0)
704 * These are the first fields of all the context structures passed into
714 * Do a mirror I/O on a pNFS thread.
717 nfs_pnfsio(task_fn_t *func, void *context)
721 static struct taskqueue *pnfsioq = NULL;
723 pio = (struct pnfsio *)context;
724 if (pnfsioq == NULL) {
725 if (nfs_pnfsiothreads == 0)
726 nfs_pnfsiothreads = mp_ncpus * 4;
727 pnfsioq = taskqueue_create("pnfsioq", M_WAITOK,
728 taskqueue_thread_enqueue, &pnfsioq);
731 ret = taskqueue_start_threads(&pnfsioq, nfs_pnfsiothreads,
734 taskqueue_free(pnfsioq);
740 TASK_INIT(&pio->tsk, 0, func, context);
741 ret = taskqueue_enqueue(pnfsioq, &pio->tsk);
747 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *);
750 * Called once to initialize data structures...
753 nfscommon_modevent(module_t mod, int type, void *data)
756 static int loaded = 0;
763 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF);
764 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF);
765 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF);
766 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF);
767 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL,
769 callout_init(&newnfsd_callout, 1);
771 nfsd_call_nfscommon = nfssvc_nfscommon;
776 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != 0 ||
777 nfs_numnfscbd != 0) {
782 nfsd_call_nfscommon = NULL;
783 callout_drain(&newnfsd_callout);
784 /* Clean out the name<-->id cache. */
785 nfsrv_cleanusergroup();
786 /* and get rid of the mutexes */
787 mtx_destroy(&nfs_nameid_mutex);
788 mtx_destroy(&newnfsd_mtx);
789 mtx_destroy(&nfs_state_mutex);
790 mtx_destroy(&nfs_clstate_mutex);
791 mtx_destroy(&nfs_sockl_mutex);
792 mtx_destroy(&nfs_slock_mutex);
793 mtx_destroy(&nfs_req_mutex);
794 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx);
806 static moduledata_t nfscommon_mod = {
811 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY);
813 /* So that loader and kldload(2) can find us, wherever we are.. */
814 MODULE_VERSION(nfscommon, 1);
815 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1);
816 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1);