1/*-
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/fs/nfs/nfs_commonport.c 224086 2011-07-16 08:51:09Z zack $");
36
37/*
38 * Functions that need to be different for different versions of BSD
39 * kernel should be kept here, along with any global storage specific
40 * to this BSD variant.
41 */
42#include <fs/nfs/nfsport.h>
43#include <sys/sysctl.h>

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324 * Only happens if a _PC_xxx is added to the server,
325 * but this isn't updated.
326 */
327 *retf = 0;
328 printf("nfsrvd pathconf flag=%d not supp\n", flag);
329 };
330 error = 0;
331 }
332 NFSEXITCODE(error);
333 return (error);
334}
335
336/* Fake nfsrv_atroot. Just return 0 */
337int
338nfsrv_atroot(struct vnode *vp, long *retp)
339{
340

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423}
424
425static int
426nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap)
427{
428 int error;
429
430 error = nfssvc_call(td, uap, td->td_ucred);
431 NFSEXITCODE(error);
432 return (error);
433}
434
435static int
436nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
437{
438 int error = EINVAL;
439 struct nfsd_idargs nid;
440
441 if (uap->flag & NFSSVC_IDNAME) {
442 error = copyin(uap->argp, (caddr_t)&nid, sizeof (nid));
443 if (error)
444 goto out;
445 error = nfssvc_idname(&nid);
446 goto out;
447 } else if (uap->flag & NFSSVC_GETSTATS) {
448 error = copyout(&newnfsstats,
449 CAST_USER_ADDR_T(uap->argp), sizeof (newnfsstats));
450 if (error == 0) {
451 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
452 newnfsstats.attrcache_hits = 0;
453 newnfsstats.attrcache_misses = 0;
454 newnfsstats.lookupcache_hits = 0;

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500 newnfsstats.cllocallockowners = 0;
501 newnfsstats.cllocallocks = 0;
502 bzero(newnfsstats.srvrpccnt,
503 sizeof(newnfsstats.srvrpccnt));
504 bzero(newnfsstats.cbrpccnt,
505 sizeof(newnfsstats.cbrpccnt));
506 }
507 }
508 goto out;
509 } else if (uap->flag & NFSSVC_NFSUSERDPORT) {
510 u_short sockport;
511
512 error = copyin(uap->argp, (caddr_t)&sockport,
513 sizeof (u_short));
514 if (!error)
515 error = nfsrv_nfsuserdport(sockport, p);
516 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) {
517 nfsrv_nfsuserddelport();
518 error = 0;
519 }
520
521out:
522 NFSEXITCODE(error);
523 return (error);
524}
525
526/*
527 * called by all three modevent routines, so that it gets things
528 * initialized soon enough.
529 */
530void

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569nfscommon_modevent(module_t mod, int type, void *data)
570{
571 int error = 0;
572 static int loaded = 0;
573
574 switch (type) {
575 case MOD_LOAD:
576 if (loaded)
577 goto out;
578 newnfs_portinit();
579 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF);
580 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF);
581 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF);
582 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF);
583 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL,
584 MTX_DEF);
585 callout_init(&newnfsd_callout, CALLOUT_MPSAFE);

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606 mtx_destroy(&nfs_req_mutex);
607 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx);
608 loaded = 0;
609 break;
610 default:
611 error = EOPNOTSUPP;
612 break;
613 }
614
615out:
616 NFSEXITCODE(error);
617 return error;
618}
619static moduledata_t nfscommon_mod = {
620 "nfscommon",
621 nfscommon_modevent,
622 NULL,
623};
624DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY);
625
626/* So that loader and kldload(2) can find us, wherever we are.. */
627MODULE_VERSION(nfscommon, 1);
628MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1);
629MODULE_DEPEND(nfscommon, krpc, 1, 1, 1);
630