17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0fbb751dSJohn Levon * Common Development and Distribution License (the "License").
6*0fbb751dSJohn Levon * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22*0fbb751dSJohn Levon * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
237c478bd9Sstevel@tonic-gate */
247c478bd9Sstevel@tonic-gate
257c478bd9Sstevel@tonic-gate #include <sys/types.h>
267c478bd9Sstevel@tonic-gate #include <sys/t_lock.h>
277c478bd9Sstevel@tonic-gate #include <sys/param.h>
287c478bd9Sstevel@tonic-gate #include <sys/systm.h>
297c478bd9Sstevel@tonic-gate #include <sys/buf.h>
307c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h>
317c478bd9Sstevel@tonic-gate #include <sys/debug.h>
327c478bd9Sstevel@tonic-gate #include <sys/errno.h>
337c478bd9Sstevel@tonic-gate #include <sys/vfs.h>
347c478bd9Sstevel@tonic-gate #include <sys/swap.h>
357c478bd9Sstevel@tonic-gate #include <sys/vnode.h>
367c478bd9Sstevel@tonic-gate #include <sys/cred.h>
377c478bd9Sstevel@tonic-gate #include <sys/thread.h>
387c478bd9Sstevel@tonic-gate #include <sys/zone.h>
397c478bd9Sstevel@tonic-gate
407c478bd9Sstevel@tonic-gate #include <fs/fs_subr.h>
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate #include <sys/stream.h>
437c478bd9Sstevel@tonic-gate #include <sys/socket.h>
447c478bd9Sstevel@tonic-gate #include <sys/stropts.h>
457c478bd9Sstevel@tonic-gate #include <sys/socketvar.h>
467c478bd9Sstevel@tonic-gate
477c478bd9Sstevel@tonic-gate /*
487c478bd9Sstevel@tonic-gate * This is the loadable module wrapper.
497c478bd9Sstevel@tonic-gate */
507c478bd9Sstevel@tonic-gate #include <sys/modctl.h>
517c478bd9Sstevel@tonic-gate
527c478bd9Sstevel@tonic-gate static zone_key_t sockfs_zone_key;
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate static vfsdef_t vfw = {
557c478bd9Sstevel@tonic-gate VFSDEF_VERSION,
567c478bd9Sstevel@tonic-gate "sockfs",
577c478bd9Sstevel@tonic-gate sockinit,
58*0fbb751dSJohn Levon VSW_ZMOUNT,
597c478bd9Sstevel@tonic-gate NULL
607c478bd9Sstevel@tonic-gate };
617c478bd9Sstevel@tonic-gate
627c478bd9Sstevel@tonic-gate extern struct mod_ops mod_fsops;
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate /*
657c478bd9Sstevel@tonic-gate * Module linkage information for the kernel.
667c478bd9Sstevel@tonic-gate */
677c478bd9Sstevel@tonic-gate static struct modlfs modlfs = {
687c478bd9Sstevel@tonic-gate &mod_fsops, "filesystem for sockfs", &vfw
697c478bd9Sstevel@tonic-gate };
707c478bd9Sstevel@tonic-gate
717c478bd9Sstevel@tonic-gate static struct modlinkage modlinkage = {
727c478bd9Sstevel@tonic-gate MODREV_1, (void *)&modlfs, NULL
737c478bd9Sstevel@tonic-gate };
747c478bd9Sstevel@tonic-gate
757c478bd9Sstevel@tonic-gate int
_init(void)767c478bd9Sstevel@tonic-gate _init(void)
777c478bd9Sstevel@tonic-gate {
787c478bd9Sstevel@tonic-gate int ret;
797c478bd9Sstevel@tonic-gate
807c478bd9Sstevel@tonic-gate /*
817c478bd9Sstevel@tonic-gate * We want to be informed each time a zone is created or
827c478bd9Sstevel@tonic-gate * destroyed in the kernel, so we can maintain per-zone
837c478bd9Sstevel@tonic-gate * kstat. sock_kstat_init() will also be called for the
847c478bd9Sstevel@tonic-gate * global zone, without us having to special case it here.
857c478bd9Sstevel@tonic-gate */
867c478bd9Sstevel@tonic-gate zone_key_create(&sockfs_zone_key,
877c478bd9Sstevel@tonic-gate sock_kstat_init, NULL, sock_kstat_fini);
887c478bd9Sstevel@tonic-gate
897c478bd9Sstevel@tonic-gate if ((ret = mod_install(&modlinkage)) != 0) {
907c478bd9Sstevel@tonic-gate (void) zone_key_delete(sockfs_zone_key);
917c478bd9Sstevel@tonic-gate }
927c478bd9Sstevel@tonic-gate
937c478bd9Sstevel@tonic-gate return (ret);
947c478bd9Sstevel@tonic-gate }
957c478bd9Sstevel@tonic-gate
967c478bd9Sstevel@tonic-gate int
_info(struct modinfo * modinfop)977c478bd9Sstevel@tonic-gate _info(struct modinfo *modinfop)
987c478bd9Sstevel@tonic-gate {
997c478bd9Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop));
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate
1027c478bd9Sstevel@tonic-gate int
_fini(void)1037c478bd9Sstevel@tonic-gate _fini(void)
1047c478bd9Sstevel@tonic-gate {
1057c478bd9Sstevel@tonic-gate /* zone_key_delete(sockfs_zone_key); - if we were ever to be unloaded */
1067c478bd9Sstevel@tonic-gate
1077c478bd9Sstevel@tonic-gate return (EBUSY);
1087c478bd9Sstevel@tonic-gate }
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate /*
1117c478bd9Sstevel@tonic-gate * N.B.
1127c478bd9Sstevel@tonic-gate * No _fini routine. This module cannot be unloaded once loaded.
1137c478bd9Sstevel@tonic-gate * The NO_UNLOAD_STUB in modstub.s must change if this module ever
1147c478bd9Sstevel@tonic-gate * is modified to become unloadable.
1157c478bd9Sstevel@tonic-gate */
116