mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
159 lines
3.5 KiB
C
159 lines
3.5 KiB
C
/*-
|
|
* Copyright (c) 2003 Matthew N. Dodd <winter@jurai.net>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <machine/smapi.h>
|
|
#include <i386/smapi/smapi_var.h>
|
|
|
|
u_long smapi32_offset;
|
|
u_short smapi32_segment;
|
|
#define SMAPI32_SEGMENT 0x18
|
|
|
|
devclass_t smapi_devclass;
|
|
|
|
static d_open_t smapi_open;
|
|
static d_close_t smapi_close;
|
|
static d_ioctl_t smapi_ioctl;
|
|
|
|
#define CDEV_MAJOR 183
|
|
|
|
static struct cdevsw smapi_cdevsw = {
|
|
/* open */ smapi_open,
|
|
/* close */ smapi_close,
|
|
/* read */ noread,
|
|
/* write */ nowrite,
|
|
/* ioctl */ smapi_ioctl,
|
|
/* poll */ nopoll,
|
|
/* mmap */ nommap,
|
|
/* strategy */ nostrategy,
|
|
/* name */ "smapi",
|
|
/* maj */ CDEV_MAJOR,
|
|
/* dump */ nodump,
|
|
/* psize */ nopsize,
|
|
/* flags */ D_MEM,
|
|
/* kqfilter */ NULL,
|
|
};
|
|
|
|
static int
|
|
smapi_open (dev, oflags, devtype, td)
|
|
dev_t dev;
|
|
int oflags;
|
|
int devtype;
|
|
d_thread_t * td;
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
smapi_close (dev, fflag, devtype, td)
|
|
dev_t dev;
|
|
int fflag;
|
|
int devtype;
|
|
d_thread_t * td;
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
smapi_ioctl (dev, cmd, data, fflag, td)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int fflag;
|
|
d_thread_t * td;
|
|
{
|
|
struct smapi_softc *sc;
|
|
int error;
|
|
|
|
error = 0;
|
|
sc = devclass_get_softc(smapi_devclass, minor(dev));
|
|
if (sc == NULL) {
|
|
error = ENXIO;
|
|
goto fail;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case SMAPIOGHEADER:
|
|
bcopy((caddr_t)sc->header, data,
|
|
sizeof(struct smapi_bios_header));
|
|
error = 0;
|
|
break;
|
|
case SMAPIOCGFUNCTION:
|
|
#if 1
|
|
smapi32_segment = SMAPI32_SEGMENT;
|
|
smapi32_offset = sc->smapi32_entry;
|
|
error = smapi32(
|
|
#else
|
|
error = smapi32_new(sc->smapi32_entry, SMAPI32_SEGMENT,
|
|
#endif
|
|
(struct smapi_bios_parameter *)data,
|
|
(struct smapi_bios_parameter *)data);
|
|
break;
|
|
default:
|
|
error = ENOTTY;
|
|
}
|
|
|
|
fail:
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
smapi_attach (struct smapi_softc *sc)
|
|
{
|
|
|
|
sc->cdev = make_dev(&smapi_cdevsw,
|
|
device_get_unit(sc->dev),
|
|
UID_ROOT, GID_WHEEL, 0600,
|
|
"%s%d",
|
|
smapi_cdevsw.d_name,
|
|
device_get_unit(sc->dev));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
smapi_detach (struct smapi_softc *sc)
|
|
{
|
|
|
|
destroy_dev(sc->cdev);
|
|
return (0);
|
|
}
|