131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/* $NetBSD: lkminit_vfs.c,v 1.2 2000/03/21 11:45:58 simonb 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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/param.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 <coda/coda_psdev.h>
|
|
|
|
int coda_lkmentry __P((struct lkm_table *, int, int));
|
|
|
|
/*
|
|
* This is the vfsops table for the file system in question
|
|
*/
|
|
extern struct vfsops coda_vfsops;
|
|
|
|
/*
|
|
* declare the filesystem
|
|
*/
|
|
/*
|
|
MOD_VFS("coda", -1, &coda_vfsops);
|
|
*/
|
|
struct lkm_vfs coda_lkm_vfs = {
|
|
LM_VFS, LKM_VERSION, "coda", -1, (void *)&coda_vfsops};
|
|
|
|
|
|
|
|
/*
|
|
* declare up/down call device
|
|
*/
|
|
struct cdevsw codadevsw = {
|
|
vc_nb_open, /* open */
|
|
vc_nb_close, /* close */
|
|
vc_nb_read, /* read */
|
|
vc_nb_write, /* write */
|
|
vc_nb_ioctl, /* ioctl */
|
|
0, /* stop */
|
|
0, /* tty */
|
|
vc_nb_poll, /* poll */
|
|
0, /* mmap */
|
|
};
|
|
|
|
/*
|
|
MOD_DEV("codadev", LM_DT_CHAR, 60, &codadevsw);
|
|
*/
|
|
struct lkm_dev coda_lkm_dev = {
|
|
LM_DEV, LKM_VERSION, "codadev", 60, LM_DT_CHAR,
|
|
{ (void *) &codadevsw }
|
|
};
|
|
|
|
|
|
/*
|
|
* entry point
|
|
*/
|
|
int
|
|
coda_lkmentry(lkmtp, cmd, ver)
|
|
struct lkm_table *lkmtp;
|
|
int cmd;
|
|
int ver;
|
|
{
|
|
int error = 0;
|
|
|
|
if (ver != LKM_VERSION)
|
|
return EINVAL;
|
|
|
|
switch (cmd) {
|
|
case LKM_E_LOAD:
|
|
lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_dev;
|
|
error = lkmdispatch(lkmtp, cmd);
|
|
if (error)
|
|
break;
|
|
lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_vfs ;
|
|
error = lkmdispatch(lkmtp, cmd);
|
|
break;
|
|
case LKM_E_UNLOAD:
|
|
lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_vfs ;
|
|
error = lkmdispatch(lkmtp, cmd);
|
|
if (error)
|
|
break;
|
|
lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_dev;
|
|
error = lkmdispatch(lkmtp, cmd);
|
|
break;
|
|
case LKM_E_STAT:
|
|
error = lkmdispatch(lkmtp, cmd);
|
|
break;
|
|
}
|
|
return error;
|
|
|
|
}
|