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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 - RAIDDRVR.CPP
//***************************************************************************
//
//Description:
//
// This file contains the function definitions for the dptRAIDdrvr_C
//class.
//
//Author: Doug Anderson
//Date: 3/25/93
//
//Editors:
//
//Remarks:
//
//
//***************************************************************************
#include "allfiles.hpp"
//Function - dptRAIDdrvr_C::dptRAIDdrvr_C() - start
//===========================================================================
//
//Description:
//
// This function is the constructor for the dptRAIDdrvr_C class.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
dptRAIDdrvr_C::dptRAIDdrvr_C()
{
// Indicate that no HBA RAID IDs are used
usedRAIDids = 0;
// Create the default RAID definitions
setDefRAID();
}
//dptRAIDdrvr_C::dptRAIDdrvr_C() - end
//Function - dptRAIDdrvr_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 dptRAIDdrvr_C::preEnterLog(dptCoreDev_C *dev_P)
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_RAID_INVALID_HBA;
uSHORT found = 0;
// Find the device's HBA
dptRAIDhba_C *hbaIt_P = (dptRAIDhba_C *) phyList.reset();
while ((hbaIt_P!=NULL) && !found) {
// If the device's HBA # matches this HBA...
if (hbaIt_P->getHBA()==dev_P->getHBA())
found = 1;
else
hbaIt_P = (dptRAIDhba_C *) phyList.next();
}
// If an HBA was found...
if (found) {
// Set the device's HBA to this manager's HBA
dev_P->hba_P = hbaIt_P;
retVal = MSG_RTN_COMPLETED;
/* old way
retVal = MSG_RTN_FAILED | ERR_RAID_NOT_SUPPORTED;
// Set the device's HBA to this manager's HBA
dev_P->hba_P = hbaIt_P;
if (dev_P->isReal())
retVal = MSG_RTN_COMPLETED;
// Insure the HBA can configure RAID devices
else if (hbaIt_P->isRAIDready()) {
dptAddr_S tempAddr = dev_P->getAddr();
// If the address is within the HBA boundaries...
if (!hbaIt_P->phyRange.inBounds(tempAddr))
retVal = MSG_RTN_FAILED | ERR_SCSI_ADDR_BOUNDS;
else
retVal = MSG_RTN_COMPLETED;
}
*/
}
return (retVal);
}
//dptRAIDdrvr_C::preEnterLog() - end
//Function - dptRAIDdrvr_C::getRAIDaddr() - start
//===========================================================================
//
//Description:
//
// This function gets the next available SCSI address for the
//specified RAID device.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
void dptRAIDdrvr_C::getRAIDaddr(dptRAIDdev_C *dev_P)
{
dptRAIDhba_C *hbaIt_P;
uSHORT found = 0;
// Attempt to use one of the component's SCSI address
// (1=Force component HBA to be RAIDable HBA as well)
if (!dev_P->getCompAddr(logList,1)) {
// Find the next available SCSI address
hbaIt_P = (dptRAIDhba_C *) phyList.reset();
while ((hbaIt_P!=NULL) && !found) {
// If the HBA can configure RAID devices...
if (hbaIt_P->isRAIDready())
// Get the next available SCSI address
if (hbaIt_P->getNextAddr(logList,dev_P->addr,0xf))
found = 1;
// Get the next HBA
hbaIt_P = (dptRAIDhba_C *) phyList.next();
}
}
}
//dptRAIDdrvr_C::getRAIDaddr() - end
//Function - dptRAIDdrvr_C::handleMessage() - start
//===========================================================================
//
//Description:
//
// This function processes messages for a RAID driver.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptRAIDdrvr_C::handleMessage(DPT_MSG_T message,
dptBuffer_S *fromEng_P,
dptBuffer_S *toEng_P
)
{
DPT_RTN_T retVal = MSG_RTN_IGNORED;
switch (message) {
// Return the IDs of all suppressed devices with no RAID parent.
case MSG_ID_HIDDEN_DEVICES:
retVal = myConn_P()->rtnHidden(fromEng_P);
break;
// Return the IDs of all suppressed devices with no RAID parent
// and all suppressed device components
case MSG_ID_ALL_HIDDEN:
retVal = myConn_P()->rtnHidden(fromEng_P,1);
break;
// Create a new RAID device
case MSG_RAID_NEW:
retVal = newRAID(fromEng_P,toEng_P,0);
break;
// Create an invalid (ghosted) RAID device
case MSG_RAID_GHOST:
retVal = newRAID(fromEng_P,toEng_P,1);
break;
// Call base class message handler
default:
retVal = dptSCSIdrvr_C::handleMessage(message,fromEng_P,toEng_P);
break;
} // end switch
return(retVal);
}
//dptRAIDdrvr_C::handleMessage() - end
//Function - dptRAIDdrvr_C::setDefRAID() - start
//===========================================================================
//
//Description:
//
// This function sets up default RAID definitions.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
void dptRAIDdrvr_C::setDefRAID()
{
raidDef_S *def_P;
// Define RAID 0
def_P = new raidDef_S;
if (def_P!=NULL) {
// Initialize the RAID definition data
// def_P->refNum = 0;
// def_P->type = 0;
// def_P->minDrives = 2;
def_P->maxDrives = 0xffff;
def_P->redundants = 0;
// def_P->minStripe = 1;
// def_P->maxStripe = 0xffffffffL;
// def_P->chanCount = 0xffff;
def_P->required |= FLG_REQ_SAME_NUM_STRIPE;
// def_P->devType = DPT_SCSI_DASD;
def_P->permit |= FLG_COMP_EMULATED;
// Add to the RAID definition list
enterRAIDdef(def_P);
// Set the RAID support flag
raidSupport |= FLG_RAID_0;
}
}
//dptRAIDdrvr_C::setDefRAID() - end
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