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/*
* Copyright 1993-97 by Apple Computer, Inc.
* 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.
*
* APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL APPLE COMPUTER 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 <stdio.h>
#include "SCSIStuff.h"
int
DoTestUnitReady(
UInt8 targetID
)
{
OSErr status;
Str255 errorText;
char* msg;
static const SCSI_6_Byte_Command gTestUnitReadyCommand = {
kScsiCmdTestUnitReady, 0, 0, 0, 0, 0
};
SCSI_Sense_Data senseData;
DeviceIdent scsiDevice;
int rtn_value;
scsiDevice.diReserved = 0;
scsiDevice.bus = kOriginalSCSIBusAdaptor;
scsiDevice.targetID = targetID;
scsiDevice.LUN = 0;
status = DoSCSICommand(
scsiDevice,
"\pTest Unit Ready",
(SCSI_CommandPtr) &gTestUnitReadyCommand,
NULL,
0,
scsiDirectionNone,
NULL,
&senseData,
errorText
);
if (status == scsiNonZeroStatus) {
msg = "Unknown problem";
switch (senseData.senseKey & kScsiSenseKeyMask) {
case kScsiSenseIllegalReq:
msg = "Logical Unit Not Supported";
break;
case kScsiSenseNotReady:
switch ((senseData.additionalSenseCode << 8)
| senseData.additionalSenseQualifier) {
case 0x0500:
msg = "Logical Unit does not respond to selection";
break;
case 0x0401:
msg = "Logical Unit is becoming ready";
break;
case 0x0400:
msg = "Logical Unit is not ready. No specific cause.";
break;
case 0x0402:
msg = "Logical Unit is not ready. Unit needs start command.";
break;
case 0x0403:
msg = "Logical Unit is not ready. Unit needs manual intervention.";
break;
case 0x0404:
msg = "Logical Unit is not ready. Format in progress";
break;
case 0x2500:
msg = "Logical Unit is not supported";
break;
}
}
rtn_value = -1;
} else if (status != noErr) {
msg = "Test Unit Ready failed";
rtn_value = 0;
} else {
msg = "Okay - device is ready";
rtn_value = 1;
}
//printf("%s\n", msg);
return rtn_value;
}
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