/* $NetBSD: lkminit_vfs.c,v 1.11 2008/06/28 15:50:20 rumble Exp $ */

/*-
 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Michael Graff <explorer@flame.org>.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lkminit_vfs.c,v 1.11 2008/06/28 15:50:20 rumble Exp $");

#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/ioctl.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/mount.h>
#include <sys/exec.h>
#include <sys/lkm.h>
#include <sys/file.h>
#include <sys/errno.h>

#include <miscfs/fdesc/fdesc.h>

int fdesc_lkmentry(struct lkm_table *, int, int);

/*
 * This is the vfsops table for the file system in question
 */
extern struct vfsops fdesc_vfsops;

/*
 * declare the filesystem
 */
MOD_VFS("fdesc", -1, &fdesc_vfsops);

/*
 * take care of fs specific sysctl nodes
 */
static int load(struct lkm_table *, int);
static int unload(struct lkm_table *, int);
static struct sysctllog *_fdesc_log;

/*
 * entry point
 */
int
fdesc_lkmentry(lkmtp, cmd, ver)
	struct lkm_table *lkmtp;
	int cmd;
	int ver;
{

	DISPATCH(lkmtp, cmd, ver, load, unload, lkm_nofunc)
}

int
load(lkmtp, cmd)
	struct lkm_table *lkmtp;
	int cmd;
{

	sysctl_createv(&_fdesc_log, 0, NULL, NULL,
		       CTLFLAG_PERMANENT,
		       CTLTYPE_NODE, "vfs", NULL,
		       NULL, 0, NULL, 0,
		       CTL_VFS, CTL_EOL);
	sysctl_createv(&_fdesc_log, 0, NULL, NULL,
		       CTLFLAG_PERMANENT,
		       CTLTYPE_NODE, "fdesc",
		       SYSCTL_DESCR("File-descriptor file system"),
		       NULL, 0, NULL, 0,
		       CTL_VFS, 7, CTL_EOL);
	/*
	 * XXX the "7" above could be dynamic, thereby eliminating one
	 * more instance of the "number to vfs" mapping problem, but
	 * "7" is the order as taken from sys/mount.h
	 */
	return (0);
}

int
unload(lkmtp, cmd)
	struct lkm_table *lkmtp;
	int cmd;
{

	sysctl_teardown(&_fdesc_log);
	return (0);
}