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 nfsuserd_state 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 struct mtx nfsrv_dslock_mtx;
73 struct nfsdevicehead nfsrv_devidhead;
74 volatile int nfsrv_devidcnt = 0;
75 void (*nfsd_call_servertimer)(void) = NULL;
76 void (*ncl_call_invalcaches)(struct vnode *) = NULL;
78 int nfs_pnfsio(task_fn_t *, void *);
80 static int nfs_realign_test;
81 static int nfs_realign_count;
82 static struct ext_nfsstats oldnfsstats;
83 static struct nfsstatsov1 nfsstatsov1;
85 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW, 0, "NFS filesystem");
86 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test,
87 0, "Number of realign tests done");
88 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count,
89 0, "Number of mbuf realignments done");
90 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW,
91 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr),
92 "NFSv4 callback addr for server to use");
93 SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel,
94 0, "Debug level for NFS client");
95 SYSCTL_INT(_vfs_nfs, OID_AUTO, userhashsize, CTLFLAG_RDTUN, &nfsrv_lughashsize,
96 0, "Size of hash tables for uid/name mapping");
97 int nfs_pnfsiothreads = -1;
98 SYSCTL_INT(_vfs_nfs, OID_AUTO, pnfsiothreads, CTLFLAG_RW, &nfs_pnfsiothreads,
99 0, "Number of pNFS mirror I/O threads");
103 * (Here for FreeBSD, since they allocate storage.)
105 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache");
106 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id");
107 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state",
108 "NFSD V4 State (Openowner, Open, Lockowner, Delegation");
109 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock");
110 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file");
111 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string");
112 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map");
113 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header");
114 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle");
115 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner");
116 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open");
117 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation");
118 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client");
119 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner");
120 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock");
121 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "NFS vnode");
122 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "NFS Direct IO buffer");
123 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroffdiroff",
124 "NFS directory offset data");
125 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback",
126 "NFS local lock rollback");
127 MALLOC_DEFINE(M_NEWNFSLAYOUT, "NFSCL layout", "NFSv4.1 Layout");
128 MALLOC_DEFINE(M_NEWNFSFLAYOUT, "NFSCL flayout", "NFSv4.1 File Layout");
129 MALLOC_DEFINE(M_NEWNFSDEVINFO, "NFSCL devinfo", "NFSv4.1 Device Info");
130 MALLOC_DEFINE(M_NEWNFSSOCKREQ, "NFSCL sockreq", "NFS Sock Req");
131 MALLOC_DEFINE(M_NEWNFSCLDS, "NFSCL session", "NFSv4.1 Session");
132 MALLOC_DEFINE(M_NEWNFSLAYRECALL, "NFSCL layrecall", "NFSv4.1 Layout Recall");
133 MALLOC_DEFINE(M_NEWNFSDSESSION, "NFSD session", "NFSD Session for a client");
136 * Definition of mutex locks.
137 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list
138 * and assorted other nfsd structures.
140 struct mtx newnfsd_mtx;
141 struct mtx nfs_sockl_mutex;
142 struct mtx nfs_state_mutex;
143 struct mtx nfs_nameid_mutex;
144 struct mtx nfs_req_mutex;
145 struct mtx nfs_slock_mutex;
146 struct mtx nfs_clstate_mutex;
148 /* local functions */
149 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *);
151 #ifdef __NO_STRICT_ALIGNMENT
153 * These architectures don't need re-alignment, so just return.
156 newnfs_realign(struct mbuf **pm, int how)
161 #else /* !__NO_STRICT_ALIGNMENT */
165 * Check for badly aligned mbuf data and realign by copying the unaligned
166 * portion of the data into a new mbuf chain and freeing the portions
167 * of the old chain that were replaced.
169 * We cannot simply realign the data within the existing mbuf chain
170 * because the underlying buffers may contain other rpc commands and
171 * we cannot afford to overwrite them.
173 * We would prefer to avoid this situation entirely. The situation does
174 * not occur with NFS/UDP and is supposed to only occasionally occur
175 * with TCP. Use vfs.nfs.realign_count and realign_test to check this.
179 newnfs_realign(struct mbuf **pm, int how)
185 while ((m = *pm) != NULL) {
186 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) {
188 * NB: we can't depend on m_pkthdr.len to help us
189 * decide what to do here. May not be worth doing
190 * the m_length calculation as m_copyback will
191 * expand the mbuf chain below as needed.
193 space = m_length(m, NULL);
194 if (space >= MINCLSIZE) {
195 /* NB: m_copyback handles space > MCLBYTES */
196 n = m_getcl(how, MT_DATA, 0);
198 n = m_get(how, MT_DATA);
202 * Align the remainder of the mbuf chain.
207 m_copyback(n, off, m->m_len, mtod(m, caddr_t));
221 #endif /* __NO_STRICT_ALIGNMENT */
225 nfsrv_object_create(struct vnode *vp, struct thread *td)
228 if (vp == NULL || vp->v_type != VREG)
230 (void) vfs_object_create(vp, td, td->td_ucred);
235 * Look up a file name. Basically just initialize stuff and call namei().
238 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p)
242 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, fname,
246 NDFREE(ndp, NDF_ONLY_PNBUF);
252 * Copy NFS uid, gids to the cred structure.
255 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr)
258 KASSERT(nfscr->nfsc_ngroups >= 0,
259 ("newnfs_copycred: negative nfsc_ngroups"));
260 cr->cr_uid = nfscr->nfsc_uid;
261 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups);
265 * Map args from nfsmsleep() to msleep().
268 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg,
275 timeo = hz * ts->tv_sec;
276 nsecval = (u_int64_t)ts->tv_nsec;
277 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) /
279 timeo += (int)nsecval;
283 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo);
288 * Get the file system info for the server. For now, just assume FFS.
291 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram)
297 * There should be file system VFS OP(s) to get this information.
298 * For now, assume ufs.
301 pref = NFS_MAXDGRAMDATA;
304 sip->fs_rtmax = NFS_SRVMAXIO;
305 sip->fs_rtpref = pref;
306 sip->fs_rtmult = NFS_FABLKSIZE;
307 sip->fs_wtmax = NFS_SRVMAXIO;
308 sip->fs_wtpref = pref;
309 sip->fs_wtmult = NFS_FABLKSIZE;
310 sip->fs_dtpref = pref;
311 sip->fs_maxfilesize = 0xffffffffffffffffull;
312 sip->fs_timedelta.tv_sec = 0;
313 sip->fs_timedelta.tv_nsec = 1;
314 sip->fs_properties = (NFSV3FSINFO_LINK |
315 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS |
316 NFSV3FSINFO_CANSETTIME);
320 * Do the pathconf vnode op.
323 nfsvno_pathconf(struct vnode *vp, int flag, long *retf,
324 struct ucred *cred, struct thread *p)
328 error = VOP_PATHCONF(vp, flag, retf);
329 if (error == EOPNOTSUPP || error == EINVAL) {
331 * Some file systems return EINVAL for name arguments not
332 * supported and some return EOPNOTSUPP for this case.
333 * So the NFSv3 Pathconf RPC doesn't fail for these cases,
338 *retf = NFS_LINK_MAX;
343 case _PC_CHOWN_RESTRICTED:
351 * Only happens if a _PC_xxx is added to the server,
352 * but this isn't updated.
355 printf("nfsrvd pathconf flag=%d not supp\n", flag);
363 /* Fake nfsrv_atroot. Just return 0 */
365 nfsrv_atroot(struct vnode *vp, uint64_t *retp)
372 * Set the credentials to refer to root.
373 * If only the various BSDen could agree on whether cr_gid is a separate
374 * field or cr_groups[0]...
377 newnfs_setroot(struct ucred *cred)
381 cred->cr_groups[0] = 0;
382 cred->cr_ngroups = 1;
386 * Get the client credential. Used for Renew and recovery.
392 struct thread *td = curthread;
394 cred = crdup(td->td_ucred);
395 newnfs_setroot(cred);
401 * Call the nfsd's timer function once/sec.
404 newnfs_timer(void *arg)
406 static time_t lasttime = 0;
408 * Call the server timer, if set up.
409 * The argument indicates if it is the next second and therefore
410 * leases should be checked.
412 if (lasttime != NFSD_MONOSEC) {
413 lasttime = NFSD_MONOSEC;
414 if (nfsd_call_servertimer != NULL)
415 (*nfsd_call_servertimer)();
417 callout_reset(&newnfsd_callout, nfscl_ticks, newnfs_timer, NULL);
422 * Sleep for a short period of time unless errval == NFSERR_GRACE, where
423 * the sleep should be for 5 seconds.
424 * Since lbolt doesn't exist in FreeBSD-CURRENT, just use a timeout on
425 * an event that never gets a wakeup. Only return EINTR or 0.
428 nfs_catnap(int prio, int errval, const char *wmesg)
430 static int non_event;
433 if (errval == NFSERR_GRACE)
434 ret = tsleep(&non_event, prio, wmesg, 5 * hz);
436 ret = tsleep(&non_event, prio, wmesg, 1);
443 * Get referral. For now, just fail.
446 nfsv4root_getreferral(struct vnode *vp, struct vnode *dvp, u_int32_t fileno)
453 nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap)
457 error = nfssvc_call(td, uap, td->td_ucred);
463 nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
465 int error = EINVAL, i, j;
466 struct nfsd_idargs nid;
467 struct nfsd_oidargs onid;
469 int vers; /* Just the first field of nfsstats. */
472 if (uap->flag & NFSSVC_IDNAME) {
473 if ((uap->flag & NFSSVC_NEWSTRUCT) != 0)
474 error = copyin(uap->argp, &nid, sizeof(nid));
476 error = copyin(uap->argp, &onid, sizeof(onid));
478 nid.nid_flag = onid.nid_flag;
479 nid.nid_uid = onid.nid_uid;
480 nid.nid_gid = onid.nid_gid;
481 nid.nid_usermax = onid.nid_usermax;
482 nid.nid_usertimeout = onid.nid_usertimeout;
483 nid.nid_name = onid.nid_name;
484 nid.nid_namelen = onid.nid_namelen;
491 error = nfssvc_idname(&nid);
493 } else if (uap->flag & NFSSVC_GETSTATS) {
494 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
495 /* Copy fields to the old ext_nfsstat structure. */
496 oldnfsstats.attrcache_hits =
497 nfsstatsv1.attrcache_hits;
498 oldnfsstats.attrcache_misses =
499 nfsstatsv1.attrcache_misses;
500 oldnfsstats.lookupcache_hits =
501 nfsstatsv1.lookupcache_hits;
502 oldnfsstats.lookupcache_misses =
503 nfsstatsv1.lookupcache_misses;
504 oldnfsstats.direofcache_hits =
505 nfsstatsv1.direofcache_hits;
506 oldnfsstats.direofcache_misses =
507 nfsstatsv1.direofcache_misses;
508 oldnfsstats.accesscache_hits =
509 nfsstatsv1.accesscache_hits;
510 oldnfsstats.accesscache_misses =
511 nfsstatsv1.accesscache_misses;
512 oldnfsstats.biocache_reads =
513 nfsstatsv1.biocache_reads;
514 oldnfsstats.read_bios =
515 nfsstatsv1.read_bios;
516 oldnfsstats.read_physios =
517 nfsstatsv1.read_physios;
518 oldnfsstats.biocache_writes =
519 nfsstatsv1.biocache_writes;
520 oldnfsstats.write_bios =
521 nfsstatsv1.write_bios;
522 oldnfsstats.write_physios =
523 nfsstatsv1.write_physios;
524 oldnfsstats.biocache_readlinks =
525 nfsstatsv1.biocache_readlinks;
526 oldnfsstats.readlink_bios =
527 nfsstatsv1.readlink_bios;
528 oldnfsstats.biocache_readdirs =
529 nfsstatsv1.biocache_readdirs;
530 oldnfsstats.readdir_bios =
531 nfsstatsv1.readdir_bios;
532 for (i = 0; i < NFSV4_NPROCS; i++)
533 oldnfsstats.rpccnt[i] = nfsstatsv1.rpccnt[i];
534 oldnfsstats.rpcretries = nfsstatsv1.rpcretries;
535 for (i = 0; i < NFSV4OP_NOPS; i++)
536 oldnfsstats.srvrpccnt[i] =
537 nfsstatsv1.srvrpccnt[i];
538 for (i = NFSV42_NOPS, j = NFSV4OP_NOPS;
539 i < NFSV42_NOPS + NFSV4OP_FAKENOPS; i++, j++)
540 oldnfsstats.srvrpccnt[j] =
541 nfsstatsv1.srvrpccnt[i];
542 oldnfsstats.srvrpc_errs = nfsstatsv1.srvrpc_errs;
543 oldnfsstats.srv_errs = nfsstatsv1.srv_errs;
544 oldnfsstats.rpcrequests = nfsstatsv1.rpcrequests;
545 oldnfsstats.rpctimeouts = nfsstatsv1.rpctimeouts;
546 oldnfsstats.rpcunexpected = nfsstatsv1.rpcunexpected;
547 oldnfsstats.rpcinvalid = nfsstatsv1.rpcinvalid;
548 oldnfsstats.srvcache_inproghits =
549 nfsstatsv1.srvcache_inproghits;
550 oldnfsstats.srvcache_idemdonehits =
551 nfsstatsv1.srvcache_idemdonehits;
552 oldnfsstats.srvcache_nonidemdonehits =
553 nfsstatsv1.srvcache_nonidemdonehits;
554 oldnfsstats.srvcache_misses =
555 nfsstatsv1.srvcache_misses;
556 oldnfsstats.srvcache_tcppeak =
557 nfsstatsv1.srvcache_tcppeak;
558 oldnfsstats.srvcache_size = nfsstatsv1.srvcache_size;
559 oldnfsstats.srvclients = nfsstatsv1.srvclients;
560 oldnfsstats.srvopenowners = nfsstatsv1.srvopenowners;
561 oldnfsstats.srvopens = nfsstatsv1.srvopens;
562 oldnfsstats.srvlockowners = nfsstatsv1.srvlockowners;
563 oldnfsstats.srvlocks = nfsstatsv1.srvlocks;
564 oldnfsstats.srvdelegates = nfsstatsv1.srvdelegates;
565 for (i = 0; i < NFSV4OP_CBNOPS; i++)
566 oldnfsstats.cbrpccnt[i] =
567 nfsstatsv1.cbrpccnt[i];
568 oldnfsstats.clopenowners = nfsstatsv1.clopenowners;
569 oldnfsstats.clopens = nfsstatsv1.clopens;
570 oldnfsstats.cllockowners = nfsstatsv1.cllockowners;
571 oldnfsstats.cllocks = nfsstatsv1.cllocks;
572 oldnfsstats.cldelegates = nfsstatsv1.cldelegates;
573 oldnfsstats.cllocalopenowners =
574 nfsstatsv1.cllocalopenowners;
575 oldnfsstats.cllocalopens = nfsstatsv1.cllocalopens;
576 oldnfsstats.cllocallockowners =
577 nfsstatsv1.cllocallockowners;
578 oldnfsstats.cllocallocks = nfsstatsv1.cllocallocks;
579 error = copyout(&oldnfsstats, uap->argp,
580 sizeof (oldnfsstats));
582 error = copyin(uap->argp, &nfsstatver,
585 if (nfsstatver.vers == NFSSTATS_OV1) {
586 /* Copy nfsstatsv1 to nfsstatsov1. */
587 nfsstatsov1.attrcache_hits =
588 nfsstatsv1.attrcache_hits;
589 nfsstatsov1.attrcache_misses =
590 nfsstatsv1.attrcache_misses;
591 nfsstatsov1.lookupcache_hits =
592 nfsstatsv1.lookupcache_hits;
593 nfsstatsov1.lookupcache_misses =
594 nfsstatsv1.lookupcache_misses;
595 nfsstatsov1.direofcache_hits =
596 nfsstatsv1.direofcache_hits;
597 nfsstatsov1.direofcache_misses =
598 nfsstatsv1.direofcache_misses;
599 nfsstatsov1.accesscache_hits =
600 nfsstatsv1.accesscache_hits;
601 nfsstatsov1.accesscache_misses =
602 nfsstatsv1.accesscache_misses;
603 nfsstatsov1.biocache_reads =
604 nfsstatsv1.biocache_reads;
605 nfsstatsov1.read_bios =
606 nfsstatsv1.read_bios;
607 nfsstatsov1.read_physios =
608 nfsstatsv1.read_physios;
609 nfsstatsov1.biocache_writes =
610 nfsstatsv1.biocache_writes;
611 nfsstatsov1.write_bios =
612 nfsstatsv1.write_bios;
613 nfsstatsov1.write_physios =
614 nfsstatsv1.write_physios;
615 nfsstatsov1.biocache_readlinks =
616 nfsstatsv1.biocache_readlinks;
617 nfsstatsov1.readlink_bios =
618 nfsstatsv1.readlink_bios;
619 nfsstatsov1.biocache_readdirs =
620 nfsstatsv1.biocache_readdirs;
621 nfsstatsov1.readdir_bios =
622 nfsstatsv1.readdir_bios;
623 for (i = 0; i < NFSV42_NPROCS; i++)
624 nfsstatsov1.rpccnt[i] =
625 nfsstatsv1.rpccnt[i];
626 nfsstatsov1.rpcretries =
627 nfsstatsv1.rpcretries;
628 for (i = 0; i < NFSV42_PURENOPS; i++)
629 nfsstatsov1.srvrpccnt[i] =
630 nfsstatsv1.srvrpccnt[i];
631 for (i = NFSV42_NOPS,
633 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
635 nfsstatsov1.srvrpccnt[j] =
636 nfsstatsv1.srvrpccnt[i];
637 nfsstatsov1.srvrpc_errs =
638 nfsstatsv1.srvrpc_errs;
639 nfsstatsov1.srv_errs =
641 nfsstatsov1.rpcrequests =
642 nfsstatsv1.rpcrequests;
643 nfsstatsov1.rpctimeouts =
644 nfsstatsv1.rpctimeouts;
645 nfsstatsov1.rpcunexpected =
646 nfsstatsv1.rpcunexpected;
647 nfsstatsov1.rpcinvalid =
648 nfsstatsv1.rpcinvalid;
649 nfsstatsov1.srvcache_inproghits =
650 nfsstatsv1.srvcache_inproghits;
651 nfsstatsov1.srvcache_idemdonehits =
652 nfsstatsv1.srvcache_idemdonehits;
653 nfsstatsov1.srvcache_nonidemdonehits =
654 nfsstatsv1.srvcache_nonidemdonehits;
655 nfsstatsov1.srvcache_misses =
656 nfsstatsv1.srvcache_misses;
657 nfsstatsov1.srvcache_tcppeak =
658 nfsstatsv1.srvcache_tcppeak;
659 nfsstatsov1.srvcache_size =
660 nfsstatsv1.srvcache_size;
661 nfsstatsov1.srvclients =
662 nfsstatsv1.srvclients;
663 nfsstatsov1.srvopenowners =
664 nfsstatsv1.srvopenowners;
665 nfsstatsov1.srvopens =
667 nfsstatsov1.srvlockowners =
668 nfsstatsv1.srvlockowners;
669 nfsstatsov1.srvlocks =
671 nfsstatsov1.srvdelegates =
672 nfsstatsv1.srvdelegates;
673 for (i = 0; i < NFSV42_CBNOPS; i++)
674 nfsstatsov1.cbrpccnt[i] =
675 nfsstatsv1.cbrpccnt[i];
676 nfsstatsov1.clopenowners =
677 nfsstatsv1.clopenowners;
678 nfsstatsov1.clopens =
680 nfsstatsov1.cllockowners =
681 nfsstatsv1.cllockowners;
682 nfsstatsov1.cllocks =
684 nfsstatsov1.cldelegates =
685 nfsstatsv1.cldelegates;
686 nfsstatsov1.cllocalopenowners =
687 nfsstatsv1.cllocalopenowners;
688 nfsstatsov1.cllocalopens =
689 nfsstatsv1.cllocalopens;
690 nfsstatsov1.cllocallockowners =
691 nfsstatsv1.cllocallockowners;
692 nfsstatsov1.cllocallocks =
693 nfsstatsv1.cllocallocks;
694 nfsstatsov1.srvstartcnt =
695 nfsstatsv1.srvstartcnt;
696 nfsstatsov1.srvdonecnt =
697 nfsstatsv1.srvdonecnt;
698 for (i = NFSV42_NOPS,
700 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
702 nfsstatsov1.srvbytes[j] =
703 nfsstatsv1.srvbytes[i];
704 nfsstatsov1.srvops[j] =
705 nfsstatsv1.srvops[i];
706 nfsstatsov1.srvduration[j] =
707 nfsstatsv1.srvduration[i];
709 nfsstatsov1.busyfrom =
711 nfsstatsov1.busyfrom =
713 error = copyout(&nfsstatsov1, uap->argp,
714 sizeof(nfsstatsov1));
715 } else if (nfsstatver.vers != NFSSTATS_V1)
718 error = copyout(&nfsstatsv1, uap->argp,
723 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
724 nfsstatsv1.attrcache_hits = 0;
725 nfsstatsv1.attrcache_misses = 0;
726 nfsstatsv1.lookupcache_hits = 0;
727 nfsstatsv1.lookupcache_misses = 0;
728 nfsstatsv1.direofcache_hits = 0;
729 nfsstatsv1.direofcache_misses = 0;
730 nfsstatsv1.accesscache_hits = 0;
731 nfsstatsv1.accesscache_misses = 0;
732 nfsstatsv1.biocache_reads = 0;
733 nfsstatsv1.read_bios = 0;
734 nfsstatsv1.read_physios = 0;
735 nfsstatsv1.biocache_writes = 0;
736 nfsstatsv1.write_bios = 0;
737 nfsstatsv1.write_physios = 0;
738 nfsstatsv1.biocache_readlinks = 0;
739 nfsstatsv1.readlink_bios = 0;
740 nfsstatsv1.biocache_readdirs = 0;
741 nfsstatsv1.readdir_bios = 0;
742 nfsstatsv1.rpcretries = 0;
743 nfsstatsv1.rpcrequests = 0;
744 nfsstatsv1.rpctimeouts = 0;
745 nfsstatsv1.rpcunexpected = 0;
746 nfsstatsv1.rpcinvalid = 0;
747 bzero(nfsstatsv1.rpccnt,
748 sizeof(nfsstatsv1.rpccnt));
750 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
751 nfsstatsv1.srvrpc_errs = 0;
752 nfsstatsv1.srv_errs = 0;
753 nfsstatsv1.srvcache_inproghits = 0;
754 nfsstatsv1.srvcache_idemdonehits = 0;
755 nfsstatsv1.srvcache_nonidemdonehits = 0;
756 nfsstatsv1.srvcache_misses = 0;
757 nfsstatsv1.srvcache_tcppeak = 0;
758 bzero(nfsstatsv1.srvrpccnt,
759 sizeof(nfsstatsv1.srvrpccnt));
760 bzero(nfsstatsv1.cbrpccnt,
761 sizeof(nfsstatsv1.cbrpccnt));
765 } else if (uap->flag & NFSSVC_NFSUSERDPORT) {
767 struct nfsuserd_args nargs;
769 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
770 error = copyin(uap->argp, (caddr_t)&sockport,
773 nargs.nuserd_family = AF_INET;
774 nargs.nuserd_port = sockport;
778 * New nfsuserd_args structure, which indicates
779 * which IP version to use along with the port#.
781 error = copyin(uap->argp, &nargs, sizeof(nargs));
784 error = nfsrv_nfsuserdport(&nargs, p);
785 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) {
786 nfsrv_nfsuserddelport();
796 * called by all three modevent routines, so that it gets things
797 * initialized soon enough.
800 newnfs_portinit(void)
802 static int inited = 0;
807 /* Initialize SMP locks used by both client and server. */
808 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF);
809 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF);
810 mtx_init(&nfs_clstate_mutex, "nfs_clstate_mutex", NULL, MTX_DEF);
814 * Determine if the file system supports NFSv4 ACLs.
815 * Return 1 if it does, 0 otherwise.
818 nfs_supportsnfsv4acls(struct vnode *vp)
823 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls");
825 if (nfsrv_useacl == 0)
827 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval);
828 if (error == 0 && retval != 0)
834 * These are the first fields of all the context structures passed into
844 * Do a mirror I/O on a pNFS thread.
847 nfs_pnfsio(task_fn_t *func, void *context)
851 static struct taskqueue *pnfsioq = NULL;
853 pio = (struct pnfsio *)context;
854 if (pnfsioq == NULL) {
855 if (nfs_pnfsiothreads == 0)
857 if (nfs_pnfsiothreads < 0)
858 nfs_pnfsiothreads = mp_ncpus * 4;
859 pnfsioq = taskqueue_create("pnfsioq", M_WAITOK,
860 taskqueue_thread_enqueue, &pnfsioq);
863 ret = taskqueue_start_threads(&pnfsioq, nfs_pnfsiothreads,
866 taskqueue_free(pnfsioq);
872 TASK_INIT(&pio->tsk, 0, func, context);
873 ret = taskqueue_enqueue(pnfsioq, &pio->tsk);
879 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *);
882 * Called once to initialize data structures...
885 nfscommon_modevent(module_t mod, int type, void *data)
888 static int loaded = 0;
895 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF);
896 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF);
897 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF);
898 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF);
899 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL,
901 mtx_init(&nfsrv_dslock_mtx, "nfs4ds", NULL, MTX_DEF);
902 TAILQ_INIT(&nfsrv_devidhead);
903 callout_init(&newnfsd_callout, 1);
905 nfsd_call_nfscommon = nfssvc_nfscommon;
910 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != NOTRUNNING ||
911 nfs_numnfscbd != 0) {
916 nfsd_call_nfscommon = NULL;
917 callout_drain(&newnfsd_callout);
918 /* Clean out the name<-->id cache. */
919 nfsrv_cleanusergroup();
920 /* and get rid of the mutexes */
921 mtx_destroy(&nfs_nameid_mutex);
922 mtx_destroy(&newnfsd_mtx);
923 mtx_destroy(&nfs_state_mutex);
924 mtx_destroy(&nfs_clstate_mutex);
925 mtx_destroy(&nfs_sockl_mutex);
926 mtx_destroy(&nfs_slock_mutex);
927 mtx_destroy(&nfs_req_mutex);
928 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx);
929 mtx_destroy(&nfsrv_dslock_mtx);
941 static moduledata_t nfscommon_mod = {
946 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY);
948 /* So that loader and kldload(2) can find us, wherever we are.. */
949 MODULE_VERSION(nfscommon, 1);
950 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1);
951 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1);