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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/pegasus/prdfP8McsDataBundle.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2014 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __prdfP8McsDataBundle_H
#define __prdfP8McsDataBundle_H
/** @file prdfP8McsDataBundle.H
* @brief Contains the data bundle for a P8 MCS object.
*/
#include <iipSystem.h>
#include <prdfExtensibleChip.H>
#include <prdfGlobal.H>
#include <prdfPlatServices.H>
#include <prdfParserEnums.H>
namespace PRDF
{
/**
* @brief The P8 Centaur MBA data bundle.
*/
class P8McsDataBundle : public DataBundle
{
public: // functions
/**
* @brief Constructor.
* @param i_mcsChip The MCS chip.
*/
explicit P8McsDataBundle( ExtensibleChip * i_mcsChip ) :
iv_mcsChip(i_mcsChip), iv_membChip(NULL), iv_primMirMcsChip(NULL)
{}
/**
* @brief Destructor.
*/
~P8McsDataBundle() {}
/** @return The connected MEMBUF chip. */
ExtensibleChip * getMembChip()
{
using namespace TARGETING;
using namespace PlatServices;
if ( NULL == iv_membChip )
{
TargetHandle_t mcs = iv_mcsChip->GetChipHandle();
TargetHandle_t memb = getConnectedChild( mcs, TYPE_MEMBUF, 0 );
if ( NULL != memb )
iv_membChip = (ExtensibleChip *)systemPtr->GetChip( memb );
}
return iv_membChip;
}
/** @return The primary MCS of a mirrored MCS pair. */
ExtensibleChip * getPrimaryMirroredMcs()
{
using namespace TARGETING;
using namespace PlatServices;
do
{
if ( NULL != iv_primMirMcsChip ) break; // nothing to do.
TargetHandle_t mcs = iv_mcsChip->GetChipHandle();
uint32_t pos = getTargetPosition(mcs);
if ( MAX_MCS_PER_PROC <= pos ) break; // can't continue, return NULL
if ( 0 == (pos & 0x1) ) // This is the primary.
{
iv_primMirMcsChip = iv_mcsChip;
}
else // The other MCS is the primary.
{
pos &= ~0x1; // get even position
TargetHandle_t proc = getConnectedParent( mcs, TYPE_PROC );
if ( NULL == proc ) break; // can't continue, return NULL
TargetHandle_t pmcs = getConnectedChild( proc, TYPE_MCS, pos );
if ( NULL == pmcs ) break; // can't continue, return NULL
iv_primMirMcsChip = (ExtensibleChip *)systemPtr->GetChip(pmcs);
}
} while (0);
return iv_primMirMcsChip;
}
private: // functions
P8McsDataBundle( const P8McsDataBundle & );
const P8McsDataBundle & operator=( const P8McsDataBundle & );
private: // instance variables
ExtensibleChip * iv_mcsChip; ///< This MCS chip
ExtensibleChip * iv_membChip; ///< The connected MEMBUF chip
/** The primary MCS of a mirrored MCS pair. */
ExtensibleChip * iv_primMirMcsChip;
};
//------------------------------------------------------------------------------
/**
* @brief Wrapper function for the P8McsDataBundle.
* @param i_mcsChip The MCS chip.
* @return This MBA's data bundle.
*/
inline P8McsDataBundle * getMcsDataBundle( ExtensibleChip * i_mcsChip )
{
return static_cast<P8McsDataBundle *>(i_mcsChip->getDataBundle());
}
} // end namespace PRDF
#endif // __prdfP8McsDataBundle_H
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