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;
80 int nfs_pnfsio(task_fn_t *, void *);
82 static int nfs_realign_test;
83 static int nfs_realign_count;
84 static struct ext_nfsstats oldnfsstats;
85 static struct nfsstatsov1 nfsstatsov1;
87 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
89 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test,
90 0, "Number of realign tests done");
91 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count,
92 0, "Number of mbuf realignments done");
93 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW,
94 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr),
95 "NFSv4 callback addr for server to use");
96 SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel,
97 0, "Debug level for NFS client");
98 SYSCTL_INT(_vfs_nfs, OID_AUTO, userhashsize, CTLFLAG_RDTUN, &nfsrv_lughashsize,
99 0, "Size of hash tables for uid/name mapping");
100 int nfs_pnfsiothreads = -1;
101 SYSCTL_INT(_vfs_nfs, OID_AUTO, pnfsiothreads, CTLFLAG_RW, &nfs_pnfsiothreads,
102 0, "Number of pNFS mirror I/O threads");
106 * (Here for FreeBSD, since they allocate storage.)
108 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache");
109 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id");
110 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state",
111 "NFSD V4 State (Openowner, Open, Lockowner, Delegation");
112 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock");
113 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file");
114 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string");
115 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map");
116 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header");
117 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle");
118 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner");
119 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open");
120 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation");
121 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client");
122 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner");
123 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock");
124 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "NFS vnode");
125 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "NFS Direct IO buffer");
126 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroffdiroff",
127 "NFS directory offset data");
128 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback",
129 "NFS local lock rollback");
130 MALLOC_DEFINE(M_NEWNFSLAYOUT, "NFSCL layout", "NFSv4.1 Layout");
131 MALLOC_DEFINE(M_NEWNFSFLAYOUT, "NFSCL flayout", "NFSv4.1 File Layout");
132 MALLOC_DEFINE(M_NEWNFSDEVINFO, "NFSCL devinfo", "NFSv4.1 Device Info");
133 MALLOC_DEFINE(M_NEWNFSSOCKREQ, "NFSCL sockreq", "NFS Sock Req");
134 MALLOC_DEFINE(M_NEWNFSCLDS, "NFSCL session", "NFSv4.1 Session");
135 MALLOC_DEFINE(M_NEWNFSLAYRECALL, "NFSCL layrecall", "NFSv4.1 Layout Recall");
136 MALLOC_DEFINE(M_NEWNFSDSESSION, "NFSD session", "NFSD Session for a client");
139 * Definition of mutex locks.
140 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list
141 * and assorted other nfsd structures.
143 struct mtx newnfsd_mtx;
144 struct mtx nfs_sockl_mutex;
145 struct mtx nfs_state_mutex;
146 struct mtx nfs_nameid_mutex;
147 struct mtx nfs_req_mutex;
148 struct mtx nfs_slock_mutex;
149 struct mtx nfs_clstate_mutex;
151 /* local functions */
152 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *);
154 #ifdef __NO_STRICT_ALIGNMENT
156 * These architectures don't need re-alignment, so just return.
159 newnfs_realign(struct mbuf **pm, int how)
164 #else /* !__NO_STRICT_ALIGNMENT */
168 * Check for badly aligned mbuf data and realign by copying the unaligned
169 * portion of the data into a new mbuf chain and freeing the portions
170 * of the old chain that were replaced.
172 * We cannot simply realign the data within the existing mbuf chain
173 * because the underlying buffers may contain other rpc commands and
174 * we cannot afford to overwrite them.
176 * We would prefer to avoid this situation entirely. The situation does
177 * not occur with NFS/UDP and is supposed to only occasionally occur
178 * with TCP. Use vfs.nfs.realign_count and realign_test to check this.
182 newnfs_realign(struct mbuf **pm, int how)
188 while ((m = *pm) != NULL) {
189 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) {
191 * NB: we can't depend on m_pkthdr.len to help us
192 * decide what to do here. May not be worth doing
193 * the m_length calculation as m_copyback will
194 * expand the mbuf chain below as needed.
196 space = m_length(m, NULL);
197 if (space >= MINCLSIZE) {
198 /* NB: m_copyback handles space > MCLBYTES */
199 n = m_getcl(how, MT_DATA, 0);
201 n = m_get(how, MT_DATA);
205 * Align the remainder of the mbuf chain.
210 m_copyback(n, off, m->m_len, mtod(m, caddr_t));
224 #endif /* __NO_STRICT_ALIGNMENT */
228 nfsrv_object_create(struct vnode *vp, struct thread *td)
231 if (vp == NULL || vp->v_type != VREG)
233 (void) vfs_object_create(vp, td, td->td_ucred);
238 * Look up a file name. Basically just initialize stuff and call namei().
241 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p)
245 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, fname,
249 NDFREE(ndp, NDF_ONLY_PNBUF);
255 * Copy NFS uid, gids to the cred structure.
258 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr)
261 KASSERT(nfscr->nfsc_ngroups >= 0,
262 ("newnfs_copycred: negative nfsc_ngroups"));
263 cr->cr_uid = nfscr->nfsc_uid;
264 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups);
268 * Map args from nfsmsleep() to msleep().
271 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg,
278 timeo = hz * ts->tv_sec;
279 nsecval = (u_int64_t)ts->tv_nsec;
280 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) /
282 timeo += (int)nsecval;
286 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo);
291 * Get the file system info for the server. For now, just assume FFS.
294 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram)
300 * There should be file system VFS OP(s) to get this information.
301 * For now, assume ufs.
304 pref = NFS_MAXDGRAMDATA;
307 sip->fs_rtmax = NFS_SRVMAXIO;
308 sip->fs_rtpref = pref;
309 sip->fs_rtmult = NFS_FABLKSIZE;
310 sip->fs_wtmax = NFS_SRVMAXIO;
311 sip->fs_wtpref = pref;
312 sip->fs_wtmult = NFS_FABLKSIZE;
313 sip->fs_dtpref = pref;
314 sip->fs_maxfilesize = 0xffffffffffffffffull;
315 sip->fs_timedelta.tv_sec = 0;
316 sip->fs_timedelta.tv_nsec = 1;
317 sip->fs_properties = (NFSV3FSINFO_LINK |
318 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS |
319 NFSV3FSINFO_CANSETTIME);
323 * Do the pathconf vnode op.
326 nfsvno_pathconf(struct vnode *vp, int flag, long *retf,
327 struct ucred *cred, struct thread *p)
331 error = VOP_PATHCONF(vp, flag, retf);
332 if (error == EOPNOTSUPP || error == EINVAL) {
334 * Some file systems return EINVAL for name arguments not
335 * supported and some return EOPNOTSUPP for this case.
336 * So the NFSv3 Pathconf RPC doesn't fail for these cases,
341 *retf = NFS_LINK_MAX;
346 case _PC_CHOWN_RESTRICTED:
354 * Only happens if a _PC_xxx is added to the server,
355 * but this isn't updated.
358 printf("nfsrvd pathconf flag=%d not supp\n", flag);
366 /* Fake nfsrv_atroot. Just return 0 */
368 nfsrv_atroot(struct vnode *vp, uint64_t *retp)
375 * Set the credentials to refer to root.
376 * If only the various BSDen could agree on whether cr_gid is a separate
377 * field or cr_groups[0]...
380 newnfs_setroot(struct ucred *cred)
384 cred->cr_groups[0] = 0;
385 cred->cr_ngroups = 1;
389 * Get the client credential. Used for Renew and recovery.
395 struct thread *td = curthread;
397 cred = crdup(td->td_ucred);
398 newnfs_setroot(cred);
404 * Call the nfsd's timer function once/sec.
407 newnfs_timer(void *arg)
409 static time_t lasttime = 0;
411 * Call the server timer, if set up.
412 * The argument indicates if it is the next second and therefore
413 * leases should be checked.
415 if (lasttime != NFSD_MONOSEC) {
416 lasttime = NFSD_MONOSEC;
417 if (nfsd_call_servertimer != NULL)
418 (*nfsd_call_servertimer)();
420 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.srvrpc_errs = nfsstatsv1.srvrpc_errs;
546 oldnfsstats.srv_errs = nfsstatsv1.srv_errs;
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.srvcache_idemdonehits =
554 nfsstatsv1.srvcache_idemdonehits;
555 oldnfsstats.srvcache_nonidemdonehits =
556 nfsstatsv1.srvcache_nonidemdonehits;
557 oldnfsstats.srvcache_misses =
558 nfsstatsv1.srvcache_misses;
559 oldnfsstats.srvcache_tcppeak =
560 nfsstatsv1.srvcache_tcppeak;
561 oldnfsstats.srvcache_size = nfsstatsv1.srvcache_size;
562 oldnfsstats.srvclients = nfsstatsv1.srvclients;
563 oldnfsstats.srvopenowners = nfsstatsv1.srvopenowners;
564 oldnfsstats.srvopens = nfsstatsv1.srvopens;
565 oldnfsstats.srvlockowners = nfsstatsv1.srvlockowners;
566 oldnfsstats.srvlocks = nfsstatsv1.srvlocks;
567 oldnfsstats.srvdelegates = nfsstatsv1.srvdelegates;
568 for (i = 0; i < NFSV4OP_CBNOPS; i++)
569 oldnfsstats.cbrpccnt[i] =
570 nfsstatsv1.cbrpccnt[i];
571 oldnfsstats.clopenowners = nfsstatsv1.clopenowners;
572 oldnfsstats.clopens = nfsstatsv1.clopens;
573 oldnfsstats.cllockowners = nfsstatsv1.cllockowners;
574 oldnfsstats.cllocks = nfsstatsv1.cllocks;
575 oldnfsstats.cldelegates = nfsstatsv1.cldelegates;
576 oldnfsstats.cllocalopenowners =
577 nfsstatsv1.cllocalopenowners;
578 oldnfsstats.cllocalopens = nfsstatsv1.cllocalopens;
579 oldnfsstats.cllocallockowners =
580 nfsstatsv1.cllocallockowners;
581 oldnfsstats.cllocallocks = nfsstatsv1.cllocallocks;
582 error = copyout(&oldnfsstats, uap->argp,
583 sizeof (oldnfsstats));
585 error = copyin(uap->argp, &nfsstatver,
588 if (nfsstatver.vers == NFSSTATS_OV1) {
589 /* Copy nfsstatsv1 to nfsstatsov1. */
590 nfsstatsov1.attrcache_hits =
591 nfsstatsv1.attrcache_hits;
592 nfsstatsov1.attrcache_misses =
593 nfsstatsv1.attrcache_misses;
594 nfsstatsov1.lookupcache_hits =
595 nfsstatsv1.lookupcache_hits;
596 nfsstatsov1.lookupcache_misses =
597 nfsstatsv1.lookupcache_misses;
598 nfsstatsov1.direofcache_hits =
599 nfsstatsv1.direofcache_hits;
600 nfsstatsov1.direofcache_misses =
601 nfsstatsv1.direofcache_misses;
602 nfsstatsov1.accesscache_hits =
603 nfsstatsv1.accesscache_hits;
604 nfsstatsov1.accesscache_misses =
605 nfsstatsv1.accesscache_misses;
606 nfsstatsov1.biocache_reads =
607 nfsstatsv1.biocache_reads;
608 nfsstatsov1.read_bios =
609 nfsstatsv1.read_bios;
610 nfsstatsov1.read_physios =
611 nfsstatsv1.read_physios;
612 nfsstatsov1.biocache_writes =
613 nfsstatsv1.biocache_writes;
614 nfsstatsov1.write_bios =
615 nfsstatsv1.write_bios;
616 nfsstatsov1.write_physios =
617 nfsstatsv1.write_physios;
618 nfsstatsov1.biocache_readlinks =
619 nfsstatsv1.biocache_readlinks;
620 nfsstatsov1.readlink_bios =
621 nfsstatsv1.readlink_bios;
622 nfsstatsov1.biocache_readdirs =
623 nfsstatsv1.biocache_readdirs;
624 nfsstatsov1.readdir_bios =
625 nfsstatsv1.readdir_bios;
626 for (i = 0; i < NFSV42_NPROCS; i++)
627 nfsstatsov1.rpccnt[i] =
628 nfsstatsv1.rpccnt[i];
629 nfsstatsov1.rpcretries =
630 nfsstatsv1.rpcretries;
631 for (i = 0; i < NFSV42_PURENOPS; i++)
632 nfsstatsov1.srvrpccnt[i] =
633 nfsstatsv1.srvrpccnt[i];
634 for (i = NFSV42_NOPS,
636 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
638 nfsstatsov1.srvrpccnt[j] =
639 nfsstatsv1.srvrpccnt[i];
640 nfsstatsov1.srvrpc_errs =
641 nfsstatsv1.srvrpc_errs;
642 nfsstatsov1.srv_errs =
644 nfsstatsov1.rpcrequests =
645 nfsstatsv1.rpcrequests;
646 nfsstatsov1.rpctimeouts =
647 nfsstatsv1.rpctimeouts;
648 nfsstatsov1.rpcunexpected =
649 nfsstatsv1.rpcunexpected;
650 nfsstatsov1.rpcinvalid =
651 nfsstatsv1.rpcinvalid;
652 nfsstatsov1.srvcache_inproghits =
653 nfsstatsv1.srvcache_inproghits;
654 nfsstatsov1.srvcache_idemdonehits =
655 nfsstatsv1.srvcache_idemdonehits;
656 nfsstatsov1.srvcache_nonidemdonehits =
657 nfsstatsv1.srvcache_nonidemdonehits;
658 nfsstatsov1.srvcache_misses =
659 nfsstatsv1.srvcache_misses;
660 nfsstatsov1.srvcache_tcppeak =
661 nfsstatsv1.srvcache_tcppeak;
662 nfsstatsov1.srvcache_size =
663 nfsstatsv1.srvcache_size;
664 nfsstatsov1.srvclients =
665 nfsstatsv1.srvclients;
666 nfsstatsov1.srvopenowners =
667 nfsstatsv1.srvopenowners;
668 nfsstatsov1.srvopens =
670 nfsstatsov1.srvlockowners =
671 nfsstatsv1.srvlockowners;
672 nfsstatsov1.srvlocks =
674 nfsstatsov1.srvdelegates =
675 nfsstatsv1.srvdelegates;
676 for (i = 0; i < NFSV42_CBNOPS; i++)
677 nfsstatsov1.cbrpccnt[i] =
678 nfsstatsv1.cbrpccnt[i];
679 nfsstatsov1.clopenowners =
680 nfsstatsv1.clopenowners;
681 nfsstatsov1.clopens =
683 nfsstatsov1.cllockowners =
684 nfsstatsv1.cllockowners;
685 nfsstatsov1.cllocks =
687 nfsstatsov1.cldelegates =
688 nfsstatsv1.cldelegates;
689 nfsstatsov1.cllocalopenowners =
690 nfsstatsv1.cllocalopenowners;
691 nfsstatsov1.cllocalopens =
692 nfsstatsv1.cllocalopens;
693 nfsstatsov1.cllocallockowners =
694 nfsstatsv1.cllocallockowners;
695 nfsstatsov1.cllocallocks =
696 nfsstatsv1.cllocallocks;
697 nfsstatsov1.srvstartcnt =
698 nfsstatsv1.srvstartcnt;
699 nfsstatsov1.srvdonecnt =
700 nfsstatsv1.srvdonecnt;
701 for (i = NFSV42_NOPS,
703 i < NFSV42_NOPS + NFSV4OP_FAKENOPS;
705 nfsstatsov1.srvbytes[j] =
706 nfsstatsv1.srvbytes[i];
707 nfsstatsov1.srvops[j] =
708 nfsstatsv1.srvops[i];
709 nfsstatsov1.srvduration[j] =
710 nfsstatsv1.srvduration[i];
712 nfsstatsov1.busyfrom =
714 nfsstatsov1.busyfrom =
716 error = copyout(&nfsstatsov1, uap->argp,
717 sizeof(nfsstatsov1));
718 } else if (nfsstatver.vers != NFSSTATS_V1)
721 error = copyout(&nfsstatsv1, uap->argp,
726 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
727 nfsstatsv1.attrcache_hits = 0;
728 nfsstatsv1.attrcache_misses = 0;
729 nfsstatsv1.lookupcache_hits = 0;
730 nfsstatsv1.lookupcache_misses = 0;
731 nfsstatsv1.direofcache_hits = 0;
732 nfsstatsv1.direofcache_misses = 0;
733 nfsstatsv1.accesscache_hits = 0;
734 nfsstatsv1.accesscache_misses = 0;
735 nfsstatsv1.biocache_reads = 0;
736 nfsstatsv1.read_bios = 0;
737 nfsstatsv1.read_physios = 0;
738 nfsstatsv1.biocache_writes = 0;
739 nfsstatsv1.write_bios = 0;
740 nfsstatsv1.write_physios = 0;
741 nfsstatsv1.biocache_readlinks = 0;
742 nfsstatsv1.readlink_bios = 0;
743 nfsstatsv1.biocache_readdirs = 0;
744 nfsstatsv1.readdir_bios = 0;
745 nfsstatsv1.rpcretries = 0;
746 nfsstatsv1.rpcrequests = 0;
747 nfsstatsv1.rpctimeouts = 0;
748 nfsstatsv1.rpcunexpected = 0;
749 nfsstatsv1.rpcinvalid = 0;
750 bzero(nfsstatsv1.rpccnt,
751 sizeof(nfsstatsv1.rpccnt));
753 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
754 nfsstatsv1.srvrpc_errs = 0;
755 nfsstatsv1.srv_errs = 0;
756 nfsstatsv1.srvcache_inproghits = 0;
757 nfsstatsv1.srvcache_idemdonehits = 0;
758 nfsstatsv1.srvcache_nonidemdonehits = 0;
759 nfsstatsv1.srvcache_misses = 0;
760 nfsstatsv1.srvcache_tcppeak = 0;
761 bzero(nfsstatsv1.srvrpccnt,
762 sizeof(nfsstatsv1.srvrpccnt));
763 bzero(nfsstatsv1.cbrpccnt,
764 sizeof(nfsstatsv1.cbrpccnt));
768 } else if (uap->flag & NFSSVC_NFSUSERDPORT) {
770 struct nfsuserd_args nargs;
772 if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
773 error = copyin(uap->argp, (caddr_t)&sockport,
776 nargs.nuserd_family = AF_INET;
777 nargs.nuserd_port = sockport;
781 * New nfsuserd_args structure, which indicates
782 * which IP version to use along with the port#.
784 error = copyin(uap->argp, &nargs, sizeof(nargs));
787 error = nfsrv_nfsuserdport(&nargs, p);
788 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) {
789 nfsrv_nfsuserddelport();
799 * called by all three modevent routines, so that it gets things
800 * initialized soon enough.
803 newnfs_portinit(void)
805 static int inited = 0;
810 /* Initialize SMP locks used by both client and server. */
811 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF);
812 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF);
813 mtx_init(&nfs_clstate_mutex, "nfs_clstate_mutex", NULL, MTX_DEF);
817 * Determine if the file system supports NFSv4 ACLs.
818 * Return 1 if it does, 0 otherwise.
821 nfs_supportsnfsv4acls(struct vnode *vp)
826 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls");
828 if (nfsrv_useacl == 0)
830 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval);
831 if (error == 0 && retval != 0)
837 * These are the first fields of all the context structures passed into
847 * Do a mirror I/O on a pNFS thread.
850 nfs_pnfsio(task_fn_t *func, void *context)
854 static struct taskqueue *pnfsioq = NULL;
856 pio = (struct pnfsio *)context;
857 if (pnfsioq == NULL) {
858 if (nfs_pnfsiothreads == 0)
860 if (nfs_pnfsiothreads < 0)
861 nfs_pnfsiothreads = mp_ncpus * 4;
862 pnfsioq = taskqueue_create("pnfsioq", M_WAITOK,
863 taskqueue_thread_enqueue, &pnfsioq);
866 ret = taskqueue_start_threads(&pnfsioq, nfs_pnfsiothreads,
869 taskqueue_free(pnfsioq);
875 TASK_INIT(&pio->tsk, 0, func, context);
876 ret = taskqueue_enqueue(pnfsioq, &pio->tsk);
882 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *);
885 * Called once to initialize data structures...
888 nfscommon_modevent(module_t mod, int type, void *data)
891 static int loaded = 0;
898 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF);
899 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF);
900 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF);
901 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF);
902 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL,
904 mtx_init(&nfsrv_dslock_mtx, "nfs4ds", NULL, MTX_DEF);
905 TAILQ_INIT(&nfsrv_devidhead);
906 callout_init(&newnfsd_callout, 1);
908 nfsd_call_nfscommon = nfssvc_nfscommon;
913 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != NOTRUNNING ||
914 nfs_numnfscbd != 0) {
919 nfsd_call_nfscommon = NULL;
920 callout_drain(&newnfsd_callout);
921 /* Clean out the name<-->id cache. */
922 nfsrv_cleanusergroup();
923 /* and get rid of the mutexes */
924 mtx_destroy(&nfs_nameid_mutex);
925 mtx_destroy(&newnfsd_mtx);
926 mtx_destroy(&nfs_state_mutex);
927 mtx_destroy(&nfs_clstate_mutex);
928 mtx_destroy(&nfs_sockl_mutex);
929 mtx_destroy(&nfs_slock_mutex);
930 mtx_destroy(&nfs_req_mutex);
931 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx);
932 mtx_destroy(&nfsrv_dslock_mtx);
944 static moduledata_t nfscommon_mod = {
949 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY);
951 /* So that loader and kldload(2) can find us, wherever we are.. */
952 MODULE_VERSION(nfscommon, 1);
953 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1);
954 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1);