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;
77 vop_advlock_t *nfs_advlock_p = NULL;
78 vop_reclaim_t *nfs_reclaim_p = NULL;
79 uint32_t nfs_srvmaxio = NFS_SRVMAXIO;
81 int nfs_pnfsio(task_fn_t *, void *);
83 static int nfs_realign_test;
84 static int nfs_realign_count;
85 static struct ext_nfsstats oldnfsstats;
86 static struct nfsstatsov1 nfsstatsov1;
88 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
90 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test,
91 0, "Number of realign tests done");
92 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count,
93 0, "Number of mbuf realignments done");
94 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW,
95 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr),
96 "NFSv4 callback addr for server to use");
97 SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel,
98 0, "Debug level for NFS client");
99 SYSCTL_INT(_vfs_nfs, OID_AUTO, userhashsize, CTLFLAG_RDTUN, &nfsrv_lughashsize,
100 0, "Size of hash tables for uid/name mapping");
101 int nfs_pnfsiothreads = -1;
102 SYSCTL_INT(_vfs_nfs, OID_AUTO, pnfsiothreads, CTLFLAG_RW, &nfs_pnfsiothreads,
103 0, "Number of pNFS mirror I/O threads");
107 * (Here for FreeBSD, since they allocate storage.)
109 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache");
110 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id");
111 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state",
112 "NFSD V4 State (Openowner, Open, Lockowner, Delegation");
113 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock");
114 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file");
115 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string");
116 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map");
117 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header");
118 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle");
119 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner");
120 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open");
121 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation");
122 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client");
123 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner");
124 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock");
125 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "NFS vnode");
126 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "NFS Direct IO buffer");
127 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroff",
128 "NFS directory offset data");
129 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback",
130 "NFS local lock rollback");
131 MALLOC_DEFINE(M_NEWNFSLAYOUT, "NFSCL layout", "NFSv4.1 Layout");
132 MALLOC_DEFINE(M_NEWNFSFLAYOUT, "NFSCL flayout", "NFSv4.1 File Layout");
133 MALLOC_DEFINE(M_NEWNFSDEVINFO, "NFSCL devinfo", "NFSv4.1 Device Info");
134 MALLOC_DEFINE(M_NEWNFSSOCKREQ, "NFSCL sockreq", "NFS Sock Req");
135 MALLOC_DEFINE(M_NEWNFSCLDS, "NFSCL session", "NFSv4.1 Session");
136 MALLOC_DEFINE(M_NEWNFSLAYRECALL, "NFSCL layrecall", "NFSv4.1 Layout Recall");
137 MALLOC_DEFINE(M_NEWNFSDSESSION, "NFSD session", "NFSD Session for a client");
140 * Definition of mutex locks.
141 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list
142 * and assorted other nfsd structures.
144 struct mtx newnfsd_mtx;
145 struct mtx nfs_sockl_mutex;
146 struct mtx nfs_state_mutex;
147 struct mtx nfs_nameid_mutex;
148 struct mtx nfs_req_mutex;
149 struct mtx nfs_slock_mutex;
150 struct mtx nfs_clstate_mutex;
152 /* local functions */
153 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *);
155 #ifdef __NO_STRICT_ALIGNMENT
157 * These architectures don't need re-alignment, so just return.
160 newnfs_realign(struct mbuf **pm, int how)
165 #else /* !__NO_STRICT_ALIGNMENT */
169 * Check for badly aligned mbuf data and realign by copying the unaligned
170 * portion of the data into a new mbuf chain and freeing the portions
171 * of the old chain that were replaced.
173 * We cannot simply realign the data within the existing mbuf chain
174 * because the underlying buffers may contain other rpc commands and
175 * we cannot afford to overwrite them.
177 * We would prefer to avoid this situation entirely. The situation does
178 * not occur with NFS/UDP and is supposed to only occasionally occur
179 * with TCP. Use vfs.nfs.realign_count and realign_test to check this.
183 newnfs_realign(struct mbuf **pm, int how)
189 while ((m = *pm) != NULL) {
190 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) {
192 * NB: we can't depend on m_pkthdr.len to help us
193 * decide what to do here. May not be worth doing
194 * the m_length calculation as m_copyback will
195 * expand the mbuf chain below as needed.
197 space = m_length(m, NULL);
198 if (space >= MINCLSIZE) {
199 /* NB: m_copyback handles space > MCLBYTES */
200 n = m_getcl(how, MT_DATA, 0);
202 n = m_get(how, MT_DATA);
206 * Align the remainder of the mbuf chain.
211 m_copyback(n, off, m->m_len, mtod(m, caddr_t));
225 #endif /* __NO_STRICT_ALIGNMENT */
229 nfsrv_object_create(struct vnode *vp, struct thread *td)
232 if (vp == NULL || vp->v_type != VREG)
234 (void) vfs_object_create(vp, td, td->td_ucred);
239 * Look up a file name. Basically just initialize stuff and call namei().
242 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p)
246 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, fname,
250 NDFREE(ndp, NDF_ONLY_PNBUF);
256 * Copy NFS uid, gids to the cred structure.
259 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr)
262 KASSERT(nfscr->nfsc_ngroups >= 0,
263 ("newnfs_copycred: negative nfsc_ngroups"));
264 cr->cr_uid = nfscr->nfsc_uid;
265 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups);
269 * Map args from nfsmsleep() to msleep().
272 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg,
279 timeo = hz * ts->tv_sec;
280 nsecval = (u_int64_t)ts->tv_nsec;
281 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) /
283 timeo += (int)nsecval;
287 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo);
292 * Get the file system info for the server. For now, just assume FFS.
295 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram)
301 * There should be file system VFS OP(s) to get this information.
302 * For now, assume ufs.
305 pref = NFS_MAXDGRAMDATA;
308 sip->fs_rtmax = nfs_srvmaxio;
309 sip->fs_rtpref = pref;
310 sip->fs_rtmult = NFS_FABLKSIZE;
311 sip->fs_wtmax = nfs_srvmaxio;
312 sip->fs_wtpref = pref;
313 sip->fs_wtmult = NFS_FABLKSIZE;
314 sip->fs_dtpref = pref;
315 sip->fs_maxfilesize = 0xffffffffffffffffull;
316 sip->fs_timedelta.tv_sec = 0;
317 sip->fs_timedelta.tv_nsec = 1;
318 sip->fs_properties = (NFSV3FSINFO_LINK |
319 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS |
320 NFSV3FSINFO_CANSETTIME);
324 * Do the pathconf vnode op.
327 nfsvno_pathconf(struct vnode *vp, int flag, long *retf,
328 struct ucred *cred, struct thread *p)
332 error = VOP_PATHCONF(vp, flag, retf);
333 if (error == EOPNOTSUPP || error == EINVAL) {
335 * Some file systems return EINVAL for name arguments not
336 * supported and some return EOPNOTSUPP for this case.
337 * So the NFSv3 Pathconf RPC doesn't fail for these cases,
342 *retf = NFS_LINK_MAX;
347 case _PC_CHOWN_RESTRICTED:
355 * Only happens if a _PC_xxx is added to the server,
356 * but this isn't updated.
359 printf("nfsrvd pathconf flag=%d not supp\n", flag);
367 /* Fake nfsrv_atroot. Just return 0 */
369 nfsrv_atroot(struct vnode *vp, uint64_t *retp)
376 * Set the credentials to refer to root.
377 * If only the various BSDen could agree on whether cr_gid is a separate
378 * field or cr_groups[0]...
381 newnfs_setroot(struct ucred *cred)
385 cred->cr_groups[0] = 0;
386 cred->cr_ngroups = 1;
390 * Get the client credential. Used for Renew and recovery.
396 struct thread *td = curthread;
398 cred = crdup(td->td_ucred);
399 newnfs_setroot(cred);
405 * Call the nfsd's timer function once/sec.
408 newnfs_timer(void *arg)
410 static time_t lasttime = 0;
412 * Call the server timer, if set up.
413 * The argument indicates if it is the next second and therefore
414 * leases should be checked.
416 if (lasttime != NFSD_MONOSEC) {
417 lasttime = NFSD_MONOSEC;
418 if (nfsd_call_servertimer != NULL)
419 (*nfsd_call_servertimer)();
421 callout_reset(&newnfsd_callout, nfscl_ticks, newnfs_timer, NULL);
425 * Sleep for a short period of time unless errval == NFSERR_GRACE, where
426 * the sleep should be for 5 seconds.
427 * Since lbolt doesn't exist in FreeBSD-CURRENT, just use a timeout on
428 * an event that never gets a wakeup. Only return EINTR or 0.
431 nfs_catnap(int prio, int errval, const char *wmesg)
433 static int non_event;
436 if (errval == NFSERR_GRACE)
437 ret = tsleep(&non_event, prio, wmesg, 5 * hz);
439 ret = tsleep(&non_event, prio, wmesg, 1);
446 * Get referral. For now, just fail.
449 nfsv4root_getreferral(struct vnode *vp, struct vnode *dvp, u_int32_t fileno)
456 nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap)
460 error = nfssvc_call(td, uap, td->td_ucred);
466 nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
468 int error = EINVAL, i, j;
469 struct nfsd_idargs nid;
470 struct nfsd_oidargs onid;
472 int vers; /* Just the first field of nfsstats. */
475 if (uap->flag & NFSSVC_IDNAME) {
476 if ((uap->flag & NFSSVC_NEWSTRUCT) != 0)
477 error = copyin(uap->argp, &nid, sizeof(nid));
479 error = copyin(uap->argp, &onid, sizeof(onid));
481 nid.nid_flag = onid.nid_flag;
482 nid.nid_uid = onid.nid_uid;
483 nid.nid_gid = onid.nid_gid;
484 nid.nid_usermax = onid.nid_usermax;
485 nid.nid_usertimeout = onid.nid_usertimeout;
486 nid.nid_name = onid.nid_name;
487 nid.nid_namelen = onid.nid_namelen;
494 error = nfssvc_idname(&nid);
496 } else if (uap->flag & NFSSVC_GETSTATS) {
497 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
498 /* Copy fields to the old ext_nfsstat structure. */
499 oldnfsstats.attrcache_hits =
500 nfsstatsv1.attrcache_hits;
501 oldnfsstats.attrcache_misses =
502 nfsstatsv1.attrcache_misses;
503 oldnfsstats.lookupcache_hits =
504 nfsstatsv1.lookupcache_hits;
505 oldnfsstats.lookupcache_misses =
506 nfsstatsv1.lookupcache_misses;
507 oldnfsstats.direofcache_hits =
508 nfsstatsv1.direofcache_hits;
509 oldnfsstats.direofcache_misses =
510 nfsstatsv1.direofcache_misses;
511 oldnfsstats.accesscache_hits =
512 nfsstatsv1.accesscache_hits;
513 oldnfsstats.accesscache_misses =
514 nfsstatsv1.accesscache_misses;
515 oldnfsstats.biocache_reads =
516 nfsstatsv1.biocache_reads;
517 oldnfsstats.read_bios =
518 nfsstatsv1.read_bios;
519 oldnfsstats.read_physios =
520 nfsstatsv1.read_physios;
521 oldnfsstats.biocache_writes =
522 nfsstatsv1.biocache_writes;
523 oldnfsstats.write_bios =
524 nfsstatsv1.write_bios;
525 oldnfsstats.write_physios =
526 nfsstatsv1.write_physios;
527 oldnfsstats.biocache_readlinks =
528 nfsstatsv1.biocache_readlinks;
529 oldnfsstats.readlink_bios =
530 nfsstatsv1.readlink_bios;
531 oldnfsstats.biocache_readdirs =
532 nfsstatsv1.biocache_readdirs;
533 oldnfsstats.readdir_bios =
534 nfsstatsv1.readdir_bios;
535 for (i = 0; i < NFSV4_NPROCS; i++)
536 oldnfsstats.rpccnt[i] = nfsstatsv1.rpccnt[i];
537 oldnfsstats.rpcretries = nfsstatsv1.rpcretries;
538 for (i = 0; i < NFSV4OP_NOPS; i++)
539 oldnfsstats.srvrpccnt[i] =
540 nfsstatsv1.srvrpccnt[i];
541 for (i = NFSV42_NOPS, j = NFSV4OP_NOPS;
542 i < NFSV42_NOPS + NFSV4OP_FAKENOPS; i++, j++)
543 oldnfsstats.srvrpccnt[j] =
544 nfsstatsv1.srvrpccnt[i];
545 oldnfsstats.reserved_0 = 0;
546 oldnfsstats.reserved_1 = 0;
547 oldnfsstats.rpcrequests = nfsstatsv1.rpcrequests;
548 oldnfsstats.rpctimeouts = nfsstatsv1.rpctimeouts;
549 oldnfsstats.rpcunexpected = nfsstatsv1.rpcunexpected;
550 oldnfsstats.rpcinvalid = nfsstatsv1.rpcinvalid;
551 oldnfsstats.srvcache_inproghits =
552 nfsstatsv1.srvcache_inproghits;
553 oldnfsstats.reserved_2 = 0;
554 oldnfsstats.srvcache_nonidemdonehits =
555 nfsstatsv1.srvcache_nonidemdonehits;
556 oldnfsstats.srvcache_misses =
557 nfsstatsv1.srvcache_misses;
558 oldnfsstats.srvcache_tcppeak =
559 nfsstatsv1.srvcache_tcppeak;
560 oldnfsstats.srvcache_size = nfsstatsv1.srvcache_size;
561 oldnfsstats.srvclients = nfsstatsv1.srvclients;
562 oldnfsstats.srvopenowners = nfsstatsv1.srvopenowners;
563 oldnfsstats.srvopens = nfsstatsv1.srvopens;
564 oldnfsstats.srvlockowners = nfsstatsv1.srvlockowners;
565 oldnfsstats.srvlocks = nfsstatsv1.srvlocks;
566 oldnfsstats.srvdelegates = nfsstatsv1.srvdelegates;
567 for (i = 0; i < NFSV4OP_CBNOPS; i++)
568 oldnfsstats.cbrpccnt[i] =
569 nfsstatsv1.cbrpccnt[i];
570 oldnfsstats.clopenowners = nfsstatsv1.clopenowners;
571 oldnfsstats.clopens = nfsstatsv1.clopens;
572 oldnfsstats.cllockowners = nfsstatsv1.cllockowners;
573 oldnfsstats.cllocks = nfsstatsv1.cllocks;
574 oldnfsstats.cldelegates = nfsstatsv1.cldelegates;
575 oldnfsstats.cllocalopenowners =
576 nfsstatsv1.cllocalopenowners;
577 oldnfsstats.cllocalopens = nfsstatsv1.cllocalopens;
578 oldnfsstats.cllocallockowners =
579 nfsstatsv1.cllocallockowners;
580 oldnfsstats.cllocallocks = nfsstatsv1.cllocallocks;
581 error = copyout(&oldnfsstats, uap->argp,
582 sizeof (oldnfsstats));
584 error = copyin(uap->argp, &nfsstatver,
587 if (nfsstatver.vers == NFSSTATS_OV1) {
588 /* Copy nfsstatsv1 to nfsstatsov1. */
589 nfsstatsov1.attrcache_hits =
590 nfsstatsv1.attrcache_hits;
591 nfsstatsov1.attrcache_misses =
592 nfsstatsv1.attrcache_misses;
593 nfsstatsov1.lookupcache_hits =
594 nfsstatsv1.lookupcache_hits;
595 nfsstatsov1.lookupcache_misses =
596 nfsstatsv1.lookupcache_misses;
597 nfsstatsov1.direofcache_hits =
598 nfsstatsv1.direofcache_hits;
599 nfsstatsov1.direofcache_misses =
600 nfsstatsv1.direofcache_misses;
601 nfsstatsov1.accesscache_hits =
602 nfsstatsv1.accesscache_hits;
603 nfsstatsov1.accesscache_misses =
604 nfsstatsv1.accesscache_misses;
605 nfsstatsov1.biocache_reads =
606 nfsstatsv1.biocache_reads;
607 nfsstatsov1.read_bios =
608 nfsstatsv1.read_bios;
609 nfsstatsov1.read_physios =
610 nfsstatsv1.read_physios;
611 nfsstatsov1.biocache_writes =
612 nfsstatsv1.biocache_writes;
613 nfsstatsov1.write_bios =
614 nfsstatsv1.write_bios;
615 nfsstatsov1.write_physios =
616 nfsstatsv1.write_physios;
617 nfsstatsov1.biocache_readlinks =
618 nfsstatsv1.biocache_readlinks;
619 nfsstatsov1.readlink_bios =
620 nfsstatsv1.readlink_bios;
621 nfsstatsov1.biocache_readdirs =
622 nfsstatsv1.biocache_readdirs;
623 nfsstatsov1.readdir_bios =
624 nfsstatsv1.readdir_bios;
625 for (i = 0; i < NFSV42_NPROCS; i++)
626 nfsstatsov1.rpccnt[i] =
627 nfsstatsv1.rpccnt[i];
628 nfsstatsov1.rpcretries =
629 nfsstatsv1.rpcretries;
630 for (i = 0; i < NFSV42_PURENOPS; i++)
631 nfsstatsov1.srvrpccnt[i] =
632 nfsstatsv1.srvrpccnt[i];
633 for (i = NFSV42_NOPS,
635 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
637 nfsstatsov1.srvrpccnt[j] =
638 nfsstatsv1.srvrpccnt[i];
639 nfsstatsov1.reserved_0 = 0;
640 nfsstatsov1.reserved_1 = 0;
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.reserved_2 = 0;
652 nfsstatsov1.srvcache_nonidemdonehits =
653 nfsstatsv1.srvcache_nonidemdonehits;
654 nfsstatsov1.srvcache_misses =
655 nfsstatsv1.srvcache_misses;
656 nfsstatsov1.srvcache_tcppeak =
657 nfsstatsv1.srvcache_tcppeak;
658 nfsstatsov1.srvcache_size =
659 nfsstatsv1.srvcache_size;
660 nfsstatsov1.srvclients =
661 nfsstatsv1.srvclients;
662 nfsstatsov1.srvopenowners =
663 nfsstatsv1.srvopenowners;
664 nfsstatsov1.srvopens =
666 nfsstatsov1.srvlockowners =
667 nfsstatsv1.srvlockowners;
668 nfsstatsov1.srvlocks =
670 nfsstatsov1.srvdelegates =
671 nfsstatsv1.srvdelegates;
672 for (i = 0; i < NFSV42_CBNOPS; i++)
673 nfsstatsov1.cbrpccnt[i] =
674 nfsstatsv1.cbrpccnt[i];
675 nfsstatsov1.clopenowners =
676 nfsstatsv1.clopenowners;
677 nfsstatsov1.clopens =
679 nfsstatsov1.cllockowners =
680 nfsstatsv1.cllockowners;
681 nfsstatsov1.cllocks =
683 nfsstatsov1.cldelegates =
684 nfsstatsv1.cldelegates;
685 nfsstatsov1.cllocalopenowners =
686 nfsstatsv1.cllocalopenowners;
687 nfsstatsov1.cllocalopens =
688 nfsstatsv1.cllocalopens;
689 nfsstatsov1.cllocallockowners =
690 nfsstatsv1.cllocallockowners;
691 nfsstatsov1.cllocallocks =
692 nfsstatsv1.cllocallocks;
693 nfsstatsov1.srvstartcnt =
694 nfsstatsv1.srvstartcnt;
695 nfsstatsov1.srvdonecnt =
696 nfsstatsv1.srvdonecnt;
697 for (i = NFSV42_NOPS,
699 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
701 nfsstatsov1.srvbytes[j] =
702 nfsstatsv1.srvbytes[i];
703 nfsstatsov1.srvops[j] =
704 nfsstatsv1.srvops[i];
705 nfsstatsov1.srvduration[j] =
706 nfsstatsv1.srvduration[i];
708 nfsstatsov1.busyfrom =
710 nfsstatsov1.busyfrom =
712 error = copyout(&nfsstatsov1, uap->argp,
713 sizeof(nfsstatsov1));
714 } else if (nfsstatver.vers != NFSSTATS_V1)
717 error = copyout(&nfsstatsv1, uap->argp,
722 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
723 nfsstatsv1.attrcache_hits = 0;
724 nfsstatsv1.attrcache_misses = 0;
725 nfsstatsv1.lookupcache_hits = 0;
726 nfsstatsv1.lookupcache_misses = 0;
727 nfsstatsv1.direofcache_hits = 0;
728 nfsstatsv1.direofcache_misses = 0;
729 nfsstatsv1.accesscache_hits = 0;
730 nfsstatsv1.accesscache_misses = 0;
731 nfsstatsv1.biocache_reads = 0;
732 nfsstatsv1.read_bios = 0;
733 nfsstatsv1.read_physios = 0;
734 nfsstatsv1.biocache_writes = 0;
735 nfsstatsv1.write_bios = 0;
736 nfsstatsv1.write_physios = 0;
737 nfsstatsv1.biocache_readlinks = 0;
738 nfsstatsv1.readlink_bios = 0;
739 nfsstatsv1.biocache_readdirs = 0;
740 nfsstatsv1.readdir_bios = 0;
741 nfsstatsv1.rpcretries = 0;
742 nfsstatsv1.rpcrequests = 0;
743 nfsstatsv1.rpctimeouts = 0;
744 nfsstatsv1.rpcunexpected = 0;
745 nfsstatsv1.rpcinvalid = 0;
746 bzero(nfsstatsv1.rpccnt,
747 sizeof(nfsstatsv1.rpccnt));
749 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
750 nfsstatsv1.srvcache_inproghits = 0;
751 nfsstatsv1.srvcache_nonidemdonehits = 0;
752 nfsstatsv1.srvcache_misses = 0;
753 nfsstatsv1.srvcache_tcppeak = 0;
754 bzero(nfsstatsv1.srvrpccnt,
755 sizeof(nfsstatsv1.srvrpccnt));
756 bzero(nfsstatsv1.cbrpccnt,
757 sizeof(nfsstatsv1.cbrpccnt));
761 } else if (uap->flag & NFSSVC_NFSUSERDPORT) {
763 struct nfsuserd_args nargs;
765 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
766 error = copyin(uap->argp, (caddr_t)&sockport,
769 nargs.nuserd_family = AF_INET;
770 nargs.nuserd_port = sockport;
774 * New nfsuserd_args structure, which indicates
775 * which IP version to use along with the port#.
777 error = copyin(uap->argp, &nargs, sizeof(nargs));
780 error = nfsrv_nfsuserdport(&nargs, p);
781 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) {
782 nfsrv_nfsuserddelport();
792 * called by all three modevent routines, so that it gets things
793 * initialized soon enough.
796 newnfs_portinit(void)
798 static int inited = 0;
803 /* Initialize SMP locks used by both client and server. */
804 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF);
805 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF);
806 mtx_init(&nfs_clstate_mutex, "nfs_clstate_mutex", NULL, MTX_DEF);
810 * Determine if the file system supports NFSv4 ACLs.
811 * Return 1 if it does, 0 otherwise.
814 nfs_supportsnfsv4acls(struct vnode *vp)
819 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls");
821 if (nfsrv_useacl == 0)
823 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval);
824 if (error == 0 && retval != 0)
830 * These are the first fields of all the context structures passed into
840 * Do a mirror I/O on a pNFS thread.
843 nfs_pnfsio(task_fn_t *func, void *context)
847 static struct taskqueue *pnfsioq = NULL;
849 pio = (struct pnfsio *)context;
850 if (pnfsioq == NULL) {
851 if (nfs_pnfsiothreads == 0)
853 if (nfs_pnfsiothreads < 0)
854 nfs_pnfsiothreads = mp_ncpus * 4;
855 pnfsioq = taskqueue_create("pnfsioq", M_WAITOK,
856 taskqueue_thread_enqueue, &pnfsioq);
859 ret = taskqueue_start_threads(&pnfsioq, nfs_pnfsiothreads,
862 taskqueue_free(pnfsioq);
868 TASK_INIT(&pio->tsk, 0, func, context);
869 ret = taskqueue_enqueue(pnfsioq, &pio->tsk);
875 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *);
878 * Called once to initialize data structures...
881 nfscommon_modevent(module_t mod, int type, void *data)
884 static int loaded = 0;
891 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF);
892 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF);
893 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF);
894 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF);
895 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL,
897 mtx_init(&nfsrv_dslock_mtx, "nfs4ds", NULL, MTX_DEF);
898 TAILQ_INIT(&nfsrv_devidhead);
899 callout_init(&newnfsd_callout, 1);
901 nfsd_call_nfscommon = nfssvc_nfscommon;
906 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != NOTRUNNING ||
907 nfs_numnfscbd != 0) {
912 nfsd_call_nfscommon = NULL;
913 callout_drain(&newnfsd_callout);
914 /* Clean out the name<-->id cache. */
915 nfsrv_cleanusergroup();
916 /* and get rid of the mutexes */
917 mtx_destroy(&nfs_nameid_mutex);
918 mtx_destroy(&newnfsd_mtx);
919 mtx_destroy(&nfs_state_mutex);
920 mtx_destroy(&nfs_clstate_mutex);
921 mtx_destroy(&nfs_sockl_mutex);
922 mtx_destroy(&nfs_slock_mutex);
923 mtx_destroy(&nfs_req_mutex);
924 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx);
925 mtx_destroy(&nfsrv_dslock_mtx);
937 static moduledata_t nfscommon_mod = {
942 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY);
944 /* So that loader and kldload(2) can find us, wherever we are.. */
945 MODULE_VERSION(nfscommon, 1);
946 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1);
947 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1);