134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
/* $NetBSD: lkminit_vfs.c,v 1.3 2001/11/12 23:23:29 lukem Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Michael Graff <explorer@flame.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lkminit_vfs.c,v 1.3 2001/11/12 23:23:29 lukem Exp $");
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/mount.h>
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#include <sys/exec.h>
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#include <sys/lkm.h>
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#include <sys/file.h>
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#include <sys/errno.h>
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#include <coda/coda_psdev.h>
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int coda_lkmentry __P((struct lkm_table *, int, int));
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/*
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* This is the vfsops table for the file system in question
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*/
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extern struct vfsops coda_vfsops;
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/*
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* declare the filesystem
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*/
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/*
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MOD_VFS("coda", -1, &coda_vfsops);
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*/
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struct lkm_vfs coda_lkm_vfs = {
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LM_VFS, LKM_VERSION, "coda", -1, (void *)&coda_vfsops};
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/*
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* declare up/down call device
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*/
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struct cdevsw codadevsw = {
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vc_nb_open, /* open */
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vc_nb_close, /* close */
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vc_nb_read, /* read */
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vc_nb_write, /* write */
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vc_nb_ioctl, /* ioctl */
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0, /* stop */
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0, /* tty */
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vc_nb_poll, /* poll */
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0, /* mmap */
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};
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/*
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MOD_DEV("codadev", LM_DT_CHAR, 60, &codadevsw);
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*/
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struct lkm_dev coda_lkm_dev = {
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LM_DEV, LKM_VERSION, "codadev", 60, LM_DT_CHAR,
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{ (void *) &codadevsw }
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};
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/*
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* entry point
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*/
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int
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coda_lkmentry(lkmtp, cmd, ver)
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struct lkm_table *lkmtp;
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int cmd;
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int ver;
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{
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int error = 0;
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if (ver != LKM_VERSION)
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return EINVAL;
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switch (cmd) {
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case LKM_E_LOAD:
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lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_dev;
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error = lkmdispatch(lkmtp, cmd);
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if (error)
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break;
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lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_vfs ;
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error = lkmdispatch(lkmtp, cmd);
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break;
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case LKM_E_UNLOAD:
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lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_vfs ;
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error = lkmdispatch(lkmtp, cmd);
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if (error)
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break;
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lkmtp->private.lkm_any = (struct lkm_any *) &coda_lkm_dev;
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error = lkmdispatch(lkmtp, cmd);
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break;
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case LKM_E_STAT:
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error = lkmdispatch(lkmtp, cmd);
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break;
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}
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return error;
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}
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