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/* Copyright (c) 1996-2004, Adaptec Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - 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.
* - Neither the name of the Adaptec Corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
//File - SCSI_BCD.CPP
//***************************************************************************
//
//Description:
//
// This file contains the function definitions for the dptSCSIbcd_C
//class.
//
//Author: Doug Anderson
//Date: 3/9/93
//
//Editors:
//
//Remarks:
//
//
//***************************************************************************
//Include Files -------------------------------------------------------------
#include "allfiles.hpp"
//Function - dptSCSIbcd_C::dptSCSIbcd_C() - start
//===========================================================================
//
//Description:
//
// This function is the constructor for the dptSCSIbcd_C class.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
dptSCSIbcd_C::dptSCSIbcd_C()
{
// Set the engine object type
engType = DPT_SCSI_BCD;
}
//dptSCSIbcd_C::dptSCSIbcd_C() - end
//Function - dptSCSIbcd_C::preEnterLog() - start
//===========================================================================
//
//Description:
//
// This function is called prior to entering a device in this manager's
//logical device list. This function should be used to set any ownership
//flags...
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptSCSIbcd_C::preEnterLog(dptCoreDev_C *dev_P)
{
// Force the device's SCSI channel & ID to this BCD's channel & ID
dev_P->addr.chan = getChan();
dev_P->addr.id = getID();
// Call base class preEnterLog()
DPT_RTN_T retVal = dptSCSImgr_C::preEnterLog(dev_P);
if (retVal==MSG_RTN_COMPLETED) {
// Insure the LUN falls within the limits
if ((dev_P->getLUN() < myMgr_P()->getMinAddr().lun) ||
(dev_P->getLUN() > myMgr_P()->getMaxAddr().lun) )
retVal = MSG_RTN_FAILED | ERR_SCSI_ADDR_BOUNDS;
// Insure the ID & channel match this manager's ID & channel
else if ( (dev_P->getID() != getID()) || (dev_P->getChan()!=getChan()) )
retVal = MSG_RTN_FAILED | ERR_SCSI_ADDR_BOUNDS;
}
return (retVal);
}
//dptSCSIbcd_C::preEnterLog() - end
//Function - dptSCSIbcd_C::getLogAddr() - start
//===========================================================================
//
//Description:
//
// This function gets the next available BCD logical device address.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
uSHORT dptSCSIbcd_C::getLogAddr(dptAddr_S &inAddr)
{
uCHAR minLUN;
uCHAR maxLUN;
uSHORT found = 0;
// Set the HBA to this BCD's HBA
inAddr.hba = myHBA_P()->getHBA();
// Set the SCSI channel to this BCD's channel
inAddr.chan = getChan();
// Set the SCSI ID to this BCD's ID
inAddr.id = getID();
// Get the LUN limits
maxLUN = myMgr_P()->getMaxAddr().lun;
minLUN = myMgr_P()->getMinAddr().lun;
for (inAddr.lun=minLUN;((inAddr.lun<=maxLUN) && !found);inAddr.lun++) {
// If the LUN is not used by another object...
if (isUniqueLog(inAddr,0x7))
found = 1;
}
inAddr.lun--;
if (!found)
inAddr.lun = minLUN;
return (found);
}
//dptSCSIbcd_C::getLogAddr() - end
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