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/*-
* Written by: David Jeffery
* Copyright (c) 2002 Adaptec Inc.
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <dev/ips/ips.h>
#include <dev/ips/ips_disk.h>
#include <sys/stat.h>
static int ipsd_probe(device_t dev);
static int ipsd_attach(device_t dev);
static int ipsd_detach(device_t dev);
static disk_open_t ipsd_open;
static disk_close_t ipsd_close;
static disk_strategy_t ipsd_strategy;
static device_method_t ipsd_methods[] = {
DEVMETHOD(device_probe, ipsd_probe),
DEVMETHOD(device_attach, ipsd_attach),
DEVMETHOD(device_detach, ipsd_detach),
{ 0, 0 }
};
static driver_t ipsd_driver = {
"ipsd",
ipsd_methods,
sizeof(ipsdisk_softc_t)
};
static devclass_t ipsd_devclass;
DRIVER_MODULE(ipsd, ips, ipsd_driver, ipsd_devclass, 0, 0);
/* handle opening of disk device. It must set up all
information about the geometry and size of the disk */
static int ipsd_open(struct disk *dp)
{
ipsdisk_softc_t *dsc = dp->d_drv1;
dsc->state |= IPS_DEV_OPEN;
DEVICE_PRINTF(2, dsc->dev, "I'm open\n");
return 0;
}
static int ipsd_close(struct disk *dp)
{
ipsdisk_softc_t *dsc = dp->d_drv1;
dsc->state &= ~IPS_DEV_OPEN;
DEVICE_PRINTF(2, dsc->dev, "I'm closed for the day\n");
return 0;
}
/* ipsd_finish is called to clean up and return a completed IO request */
void ipsd_finish(struct bio *iobuf)
{
if (iobuf->bio_flags & BIO_ERROR) {
ipsdisk_softc_t *dsc;
dsc = iobuf->bio_disk->d_drv1;
device_printf(dsc->dev, "iobuf error %d\n", iobuf->bio_error);
} else
iobuf->bio_resid = 0;
biodone(iobuf);
}
static void ipsd_strategy(struct bio *iobuf)
{
ipsdisk_softc_t *dsc;
dsc = iobuf->bio_disk->d_drv1;
DEVICE_PRINTF(8,dsc->dev,"in strategy\n");
iobuf->bio_driver1 = (void *)(uintptr_t)dsc->sc->drives[dsc->disk_number].drivenum;
ips_start_io_request(dsc->sc, iobuf);
}
static int ipsd_probe(device_t dev)
{
DEVICE_PRINTF(2,dev, "in probe\n");
device_set_desc(dev, "Logical Drive");
return 0;
}
static int ipsd_attach(device_t dev)
{
device_t adapter;
ipsdisk_softc_t *dsc;
u_int totalsectors;
DEVICE_PRINTF(2,dev, "in attach\n");
dsc = (ipsdisk_softc_t *)device_get_softc(dev);
bzero(dsc, sizeof(ipsdisk_softc_t));
adapter = device_get_parent(dev);
dsc->dev = dev;
dsc->sc = device_get_softc(adapter);
dsc->unit = device_get_unit(dev);
dsc->disk_number = (uintptr_t) device_get_ivars(dev);
dsc->ipsd_disk.d_drv1 = dsc;
dsc->ipsd_disk.d_name = "ipsd";
dsc->ipsd_disk.d_maxsize = IPS_MAX_IO_SIZE;
dsc->ipsd_disk.d_open = ipsd_open;
dsc->ipsd_disk.d_close = ipsd_close;
dsc->ipsd_disk.d_strategy = ipsd_strategy;
totalsectors = dsc->sc->drives[dsc->disk_number].sector_count;
if ((totalsectors > 0x400000) &&
((dsc->sc->adapter_info.miscflags & 0x8) == 0)) {
dsc->ipsd_disk.d_fwheads = IPS_NORM_HEADS;
dsc->ipsd_disk.d_fwsectors = IPS_NORM_SECTORS;
} else {
dsc->ipsd_disk.d_fwheads = IPS_COMP_HEADS;
dsc->ipsd_disk.d_fwsectors = IPS_COMP_SECTORS;
}
dsc->ipsd_disk.d_sectorsize = IPS_BLKSIZE;
dsc->ipsd_disk.d_mediasize = totalsectors * IPS_BLKSIZE;
disk_create(dsc->unit, &dsc->ipsd_disk, 0, NULL, NULL);
device_printf(dev, "Logical Drive (%dMB)\n",
dsc->sc->drives[dsc->disk_number].sector_count >> 11);
return 0;
}
static int ipsd_detach(device_t dev)
{
ipsdisk_softc_t *dsc;
DEVICE_PRINTF(2, dev,"in detach\n");
dsc = (ipsdisk_softc_t *)device_get_softc(dev);
if(dsc->state & IPS_DEV_OPEN)
return (EBUSY);
disk_destroy(&dsc->ipsd_disk);
return 0;
}
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