2aedd662d8
series. This driver was generously developed and released by David Jeffreys and Adaptec. I've updated it to work with 5.x and fixed a few bugs. MFC After: 1 week
163 lines
4.7 KiB
C
163 lines
4.7 KiB
C
/*-
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* Copyright (c) 2002 Adaptec Inc.
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* All rights reserved.
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*
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* Written by: David Jeffery
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <dev/ips/ips.h>
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#include <dev/ips/ips_disk.h>
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#include <sys/stat.h>
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static int ipsd_probe(device_t dev);
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static int ipsd_attach(device_t dev);
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static int ipsd_detach(device_t dev);
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static disk_open_t ipsd_open;
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static disk_close_t ipsd_close;
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static disk_strategy_t ipsd_strategy;
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static device_method_t ipsd_methods[] = {
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DEVMETHOD(device_probe, ipsd_probe),
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DEVMETHOD(device_attach, ipsd_attach),
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DEVMETHOD(device_detach, ipsd_detach),
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{ 0, 0 }
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};
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static driver_t ipsd_driver = {
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"ipsd",
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ipsd_methods,
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sizeof(ipsdisk_softc_t)
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};
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static devclass_t ipsd_devclass;
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DRIVER_MODULE(ipsd, ips, ipsd_driver, ipsd_devclass, 0, 0);
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/* handle opening of disk device. It must set up all
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information about the geometry and size of the disk */
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static int ipsd_open(struct disk *dp)
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{
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ipsdisk_softc_t *dsc = dp->d_drv1;
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dsc->state |= IPS_DEV_OPEN;
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DEVICE_PRINTF(2, dsc->dev, "I'm open\n");
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return 0;
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}
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static int ipsd_close(struct disk *dp)
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{
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ipsdisk_softc_t *dsc = dp->d_drv1;
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dsc->state &= ~IPS_DEV_OPEN;
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DEVICE_PRINTF(2, dsc->dev, "I'm closed for the day\n");
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return 0;
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}
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/* ipsd_finish is called to clean up and return a completed IO request */
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void ipsd_finish(struct bio *iobuf)
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{
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if (iobuf->bio_flags & BIO_ERROR) {
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ipsdisk_softc_t *dsc;
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dsc = iobuf->bio_disk->d_drv1;
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device_printf(dsc->dev, "iobuf error %d\n", iobuf->bio_error);
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} else
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iobuf->bio_resid = 0;
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biodone(iobuf);
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}
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static void ipsd_strategy(struct bio *iobuf)
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{
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ipsdisk_softc_t *dsc;
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dsc = iobuf->bio_disk->d_drv1;
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DEVICE_PRINTF(8,dsc->dev,"in strategy\n");
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(uint32_t)iobuf->bio_driver1 = dsc->sc->drives[dsc->disk_number].drivenum;
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ips_start_io_request(dsc->sc, iobuf);
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}
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static int ipsd_probe(device_t dev)
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{
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DEVICE_PRINTF(2,dev, "in probe\n");
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device_set_desc(dev, "Logical Drive");
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return 0;
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}
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static int ipsd_attach(device_t dev)
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{
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device_t adapter;
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ipsdisk_softc_t *dsc;
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u_int totalsectors;
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DEVICE_PRINTF(2,dev, "in attach\n");
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dsc = (ipsdisk_softc_t *)device_get_softc(dev);
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bzero(dsc, sizeof(ipsdisk_softc_t));
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adapter = device_get_parent(dev);
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dsc->dev = dev;
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dsc->sc = device_get_softc(adapter);
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dsc->unit = device_get_unit(dev);
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dsc->disk_number = (int) device_get_ivars(dev);
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dsc->ipsd_disk.d_drv1 = dsc;
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dsc->ipsd_disk.d_name = "ipsd";
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dsc->ipsd_disk.d_maxsize = IPS_MAX_IO_SIZE;
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dsc->ipsd_disk.d_open = ipsd_open;
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dsc->ipsd_disk.d_close = ipsd_close;
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dsc->ipsd_disk.d_strategy = ipsd_strategy;
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totalsectors = dsc->sc->drives[dsc->disk_number].sector_count;
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if ((totalsectors > 0x400000) &&
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((dsc->sc->adapter_info.miscflags & 0x8) == 0)) {
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dsc->ipsd_disk.d_fwheads = IPS_NORM_HEADS;
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dsc->ipsd_disk.d_fwsectors = IPS_NORM_SECTORS;
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} else {
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dsc->ipsd_disk.d_fwheads = IPS_COMP_HEADS;
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dsc->ipsd_disk.d_fwsectors = IPS_COMP_SECTORS;
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}
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dsc->ipsd_disk.d_sectorsize = IPS_BLKSIZE;
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dsc->ipsd_disk.d_mediasize = totalsectors * IPS_BLKSIZE;
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disk_create(dsc->unit, &dsc->ipsd_disk, 0, NULL, NULL);
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device_printf(dev, "Logical Drive (%dMB)\n",
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dsc->sc->drives[dsc->disk_number].sector_count >> 11);
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return 0;
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}
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static int ipsd_detach(device_t dev)
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{
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ipsdisk_softc_t *dsc;
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DEVICE_PRINTF(2, dev,"in detach\n");
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dsc = (ipsdisk_softc_t *)device_get_softc(dev);
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if(dsc->state & IPS_DEV_OPEN)
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return (EBUSY);
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disk_destroy(&dsc->ipsd_disk);
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return 0;
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}
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