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/* $OpenBSD: lf.c,v 1.2 1998/09/29 07:17:46 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* All rights reserved.
*
* 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 Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "libsa.h"
#include <machine/pdc.h>
#include <machine/iomod.h>
#include <machine/param.h>
#include "dev_hppa.h"
int
#ifdef __STDC__
lfopen(struct open_file *f, ...)
#else
lfopen(f, va_alist)
struct open_file *f;
#endif
{
struct hppa_dev *dp;
struct pz_device *pzd;
if (!(pzd = pdc_findev(-1, PCL_NET_MASK|PCL_SEQU)))
return ENXIO;
if (!(dp = alloc(sizeof(struct hppa_dev)))) {
#ifdef DEBUG
printf("lfopen: no mem\n");
#endif
return ENODEV;
}
bzero (dp, sizeof (struct hppa_dev));
dp->pz_dev = pzd;
dp->bootdev = bootdev;
dp->last_blk = 0;
dp->last_read = 0;
f->f_devdata = dp;
return 0;
}
int
lfclose(f)
struct open_file *f;
{
free(f->f_devdata, sizeof(struct hppa_dev));
f->f_devdata = NULL;
return 0;
}
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