4c59ea5a60
sysctl creation code, but lkms are going away soon(ish) anyway. Spotted by Chris Gilbert.
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/* $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);
|
|
}
|