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//
// TapeSCSI -- support for Tape Devices
//
// Copyright (C) 1992 by Jiro Nakamura
//
// Original Author: Jiro Nakamura
// Created: October 19, 1991
// Last Modified: October 19, 1991
//
// RCS Information
// Revision Number-> $Revision: 1.1 $
// Last Revised-> $Date: 92/05/16 15:35:47 $
//
static char rcsid[]="$Id: TapeSCSI.m,v 1.1 92/05/16 15:35:47 jiro Exp Locker: jiro $";
static char copyrightid[]="Copyright (C) 1992 by Jiro Nakamura and The Shaman Group";
#import "TapeSCSI.h"
#import <stdio.h>
#import <libc.h>
@implementation TapeSCSI
- (int) readBlockLimits: (struct blockLimitsData *) r
{
int tmp;
if( scsiOpen)
return [self readBlockLimitsSCSI: r];
else
{
if([self openSCSI] )
{
sprintf(errorString,"Can't open SCSI driver");
return -1;
}
tmp = [self readBlockLimitsSCSI: r];
[self closeSCSI];
return( tmp);
}
}
- (int) readBlockLimitsSCSI: (struct blockLimitsData *) r
{
struct cdb_6 *cdbp = &sr.sr_cdb.cdb_c6;
[SCSI clearCommandBlock: (union cdb *) cdbp];
cdbp->c6_opcode = C6OP_READBLOCKLIMITS;
cdbp->c6_lun = lun;
cdbp->c6_lba = 0;
cdbp->c6_len = 0;
sr.sr_dma_dir = SR_DMA_RD;
sr.sr_addr = (char *) r;
sr.sr_dma_max = 6;
sr.sr_ioto = 10;
return [self performSCSIRequest];
}
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.