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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/mem/prdfMemBgScrub.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] 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 */
/** @file prdfMemBgScrub.H
* @brief Define the functionality necessary to start initial background scrub
*/
#ifndef __prdfMemBgScrub_H
#define __prdfMemBgScrub_H
// Framework includes
#include <prdfExtensibleChip.H>
#include <prdfPlatServices.H>
#include <prdfTrace.H>
#include <prdfMemScrubUtils.H>
namespace PRDF
{
/**
* @brief Performs all actions necessary to start the background scrubbing on
* the first configured address of the given target.
* @param i_chip MCBIST, MCA, or MBA.
* @return SUCCESS when background scrub is started correctly, else Non-SUCCESS.
*/
template<TARGETING::TYPE T>
uint32_t startInitialBgScrub( ExtensibleChip * i_chip )
{
using namespace TARGETING;
#define PRDF_FUNC "[startInitialBgScrub] "
PRDF_ASSERT( nullptr != i_chip );
PRDF_ASSERT( T == i_chip->getType() );
uint32_t o_rc = SUCCESS;
// NOTE: It is possible for a chip mark to have been placed between MDIA
// and the initial start scrub. Those unverified chip marks will be
// found in the runtime TD controller's initialize() function. The
// chip marks will then be verified after the initial fast scrub is
// complete.
do
{
// Get the first configured rank.
std::vector<MemRank> ranklist;
PlatServices::getMasterRanks<T>( i_chip->getTrgt(), ranklist );
PRDF_ASSERT( !ranklist.empty() ); // i_chip configured with no ranks
MemRank rank = ranklist.front();
// Start background scrubbing.
o_rc = PlatServices::startBgScrub<T>( i_chip, rank );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "startBgScrub(0x%08x,%d) failed",
i_chip->getHuid(), rank.getMaster() );
break;
}
} while (0);
return o_rc;
#undef PRDF_FUNC
}
/** @brief Specialization for MCBIST. */
template<>
uint32_t startInitialBgScrub<TARGETING::TYPE_MCBIST>( ExtensibleChip * i_chip )
{
using namespace TARGETING;
PRDF_ASSERT( nullptr != i_chip );
PRDF_ASSERT( TYPE_MCBIST == i_chip->getType() );
// Find the first configured MCA.
ExtensibleChip * mcaChip = nullptr;
for ( uint32_t p = 0; p < MAX_PORT_PER_MCBIST; p++ )
{
mcaChip = PlatServices::getConnectedChild( i_chip, TYPE_MCA, p );
if ( nullptr != mcaChip ) break;
}
PRDF_ASSERT( nullptr != mcaChip ); // MCBIST configured with no MCAs
return startInitialBgScrub<TYPE_MCA>( mcaChip );
}
} // end namespace PRDF
#endif // __prdfMemBgScrub_H
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