6f3bab1f59
(currently only CD-ROM drives on i386). The sys/dev/scsipi system provides 2 busses to which devices can attach (scsibus and atapibus). This needed to change some include files and structure names in the low level scsi drivers.
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* $NetBSD: aic.c,v 1.8 1997/08/27 11:24:03 bouyer Exp $ */
|
|
|
|
/* Written by Phil Nelson for the pc532. Used source with the following
|
|
* copyrights as a model.
|
|
*
|
|
* aic.c: A Adaptec 6250 driver for the pc532.
|
|
*/
|
|
/*
|
|
* (Mostly) Written by Julian Elischer (julian@tfs.com)
|
|
* for TRW Financial Systems for use under the MACH(2.5) operating system.
|
|
*
|
|
* TRW Financial Systems, in accordance with their agreement with Carnegie
|
|
* Mellon University, makes this software available to CMU to distribute
|
|
* or use in any manner that they see fit as long as this message is kept with
|
|
* the software. For this reason TFS also grants any other persons or
|
|
* organisations permission to use or modify this software.
|
|
*
|
|
* TFS supplies this software to be publicly redistributed
|
|
* on the understanding that TFS is not responsible for the correct
|
|
* functioning of this software in any circumstances.
|
|
*/
|
|
|
|
/*
|
|
* a FEW lines in this driver come from a MACH adaptec-disk driver
|
|
* so the copyright below is included:
|
|
*
|
|
* Copyright 1990 by Open Software Foundation,
|
|
* Grenoble, FRANCE
|
|
*
|
|
* All Rights Reserved
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose and without fee is hereby granted,
|
|
* provided that the above copyright notice appears in all copies and
|
|
* that both the copyright notice and this permission notice appear in
|
|
* supporting documentation, and that the name of OSF or Open Software
|
|
* Foundation not be used in advertising or publicity pertaining to
|
|
* distribution of the software without specific, written prior
|
|
* permission.
|
|
*
|
|
* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
|
|
* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
|
|
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
|
|
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/buf.h>
|
|
#include <machine/stdarg.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/user.h>
|
|
#include <sys/dkbad.h>
|
|
#include <sys/disklabel.h>
|
|
#include <dev/scsipi/scsi_all.h>
|
|
#include <dev/scsipi/scsipi_all.h>
|
|
#include <dev/scsipi/scsiconf.h>
|
|
|
|
#include <sys/device.h>
|
|
|
|
/* Some constants (may need to be changed!) */
|
|
#define AIC_NSEG 16
|
|
|
|
int aicprobe(struct pc532_device *);
|
|
int aicattach(struct pc532_device *);
|
|
int aic_scsi_cmd(struct scsipi_xfer *);
|
|
void aicminphys(struct buf *);
|
|
long int aic_adapter_info(int);
|
|
|
|
struct scsidevs *
|
|
scsi_probe(int masunit, struct scsi_switch *sw, int physid, int type, int want);
|
|
|
|
struct pc532_driver aicdriver = {
|
|
aicprobe, aicattach, "aic",
|
|
};
|
|
|
|
struct scsi_switch dp_switch = {
|
|
"aic",
|
|
aic_scsi_cmd,
|
|
aicminphys,
|
|
0,
|
|
0,
|
|
aic_adapter_info,
|
|
0, 0, 0
|
|
};
|
|
|
|
int aicprobe(struct pc532_device *dvp)
|
|
{
|
|
return (0); /* All pc532s should have one, but it is not working now. */
|
|
}
|
|
|
|
|
|
int aicattach(struct pc532_device *dvp)
|
|
{
|
|
int r;
|
|
|
|
r = scsi_attach(0, 7, &dp_switch,
|
|
&dvp->pd_drive, &dvp->pd_unit, dvp->pd_flags);
|
|
|
|
return(r);
|
|
}
|
|
|
|
void aicminphys(struct buf *bp)
|
|
{
|
|
|
|
if(bp->b_bcount > ((AIC_NSEG - 1) * NBPG))
|
|
bp->b_bcount = ((AIC_NSEG - 1) * NBPG);
|
|
minphys(bp);
|
|
}
|
|
|
|
long int aic_adapter_info(int unit)
|
|
{
|
|
return (1); /* only 1 outstanding request. */
|
|
}
|
|
|
|
|
|
/* Do a scsi command. */
|
|
|
|
struct scsipi_xfer *cur_xs;
|
|
|
|
int aic_scsi_cmd(struct scsipi_xfer *xs)
|
|
{
|
|
printf ("aic_scsi_cmd: ... \n");
|
|
cur_xs = xs;
|
|
|
|
return (HAD_ERROR);
|
|
}
|
|
|
|
void aic_intr (struct intrframe frame)
|
|
{
|
|
}
|