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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/mem/prdfMemTps.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2018 */
/* [+] 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 prdfMemTps.H */
#ifndef __prdfMemTps_H
#define __prdfMemTps_H
// Platform includes
#include <prdfMemTdQueue.H>
#include <prdfMemUtils.H>
#include <prdfTargetServices.H>
namespace PRDF
{
struct CeCount
{
MemUtils::MaintSymbols symList;
uint32_t count = 0;
};
/** @brief Two-Phase Scrub procedure. */
template <TARGETING::TYPE T>
class TpsEvent : public TdEntry
{
public: // functions
/**
* @brief Constructor
* @param i_chip MCA or MBA.
* @param i_rank Target rank.
* @param i_ban True to ban all subsequent requests for TPS on this rank.
*/
TpsEvent<T>( ExtensibleChip * i_chip, MemRank i_rank ) :
TdEntry(TPS_EVENT, i_chip, i_rank)
{
PRDF_ASSERT( nullptr != i_chip );
PRDF_ASSERT( T == i_chip->getType() );
}
public: // overloaded functions from parent class
uint32_t nextStep( STEP_CODE_DATA_STRUCT & io_sc, bool & o_done )
{
#define PRDF_FUNC "[TpsEvent::nextStep] "
#ifndef __HOSTBOOT_RUNTIME
// Should only do this procedure if MNFG IPL CE handling is enabled.
PRDF_ASSERT( PlatServices::isMfgCeCheckingEnabled() );
#endif
uint32_t o_rc = SUCCESS;
o_done = false;
do
{
// First, do analysis.
o_rc = analyzePhase( io_sc, o_done );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "analyzePhase() failed on 0x%08x, 0x%2x",
iv_chip->getHuid(), getKey() );
break;
}
if ( o_done ) break; // Nothing more to do.
// Then, start the next phase of the procedure.
o_rc = startNextPhase( io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "startNextPhase() failed on 0x%08x, 0x%2x",
iv_chip->getHuid(), getKey() );
break;
}
} while (0);
// Add the rank to the callout list if no callouts in the list.
if ( 0 == io_sc.service_data->getMruListSize() )
{
MemoryMru mm { iv_chip->getTrgt(), iv_rank,
MemoryMruData::CALLOUT_RANK };
io_sc.service_data->SetCallout( mm );
}
return o_rc;
#undef PRDF_FUNC
}
uint32_t getKey() const { return iv_rank.getKey(); } // Master and slave
private: // functions
/**
* @brief Does analysis of the command that just completed for the current
* phase.
* @param io_sc The step code data struct.
* @param o_done True if the procedure is complete or has aborted, false
* otherwise.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t analyzePhase( STEP_CODE_DATA_STRUCT & io_sc, bool & o_done );
/**
* @brief Does analysis on any ECC errors found during the current phase.
* @param i_eccAttns Mask of all currently active maintenance attentions.
* See enum MaintEccAttns for values.
* @param io_sc The step code data struct.
* @param o_done True if the procedure is complete or has aborted.
* False otherwise.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t analyzeEccErrors( const uint32_t & i_eccAttns,
STEP_CODE_DATA_STRUCT & io_sc, bool & o_done );
/**
* @brief Starts the appropriate maintenance command based on iv_phase.
* @pre iv_phase must be set appropriately before calling this function.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t startCmd();
/**
* @brief Starts the next phase of the procedure.
* @param io_sc The step code data struct.
* @post iv_phase will be updated appropriately per design.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t startNextPhase( STEP_CODE_DATA_STRUCT & io_sc );
#ifdef __HOSTBOOT_RUNTIME
/**
* @brief Analyzes the counts that summarize the symbol CE counts.
* @param i_badDqCount Number of nibbles with a bad DQ
* @param i_badChipCount Number of nibbles with a bad Chip
* @param i_sumAboveOneCount Number of nibbles under threshold with a
* sum greater than 1
* @param i_singleSymCount Number of nibbles under threshold with only
* a single symbol with a non-zero count, and
* that count is > 1
* @param io_sc The step code data struct.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t analyzeCeSymbolCounts( CeCount i_badDqCount,
CeCount i_badChipCount, CeCount i_sumAboveOneCount,
CeCount i_singleSymCount, STEP_CODE_DATA_STRUCT & io_sc );
/**
* @brief Gets the counts that summarize the symbol CE counts.
* @param io_badDqCount Number of nibbles with a bad DQ
* @param io_badChipCount Number of nibbles with a bad Chip
* @param io_sumAboveOneCount Number of nibbles under threshold with a
* sum greater than 1
* @param io_singleSymCount Number of nibbles under threshold with only
* a single symbol with a non-zero count, and
* that count is > 1
* @param io_sc The step code data struct.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t getSymbolCeCounts( CeCount & io_badDqCount,
CeCount & io_badChipCount, CeCount & io_sumAboveOneCount,
CeCount & io_singleSymCount, STEP_CODE_DATA_STRUCT & io_sc );
/**
* @brief Analyzes the maintenance CE statistics.
* @param io_sc The step code data struct.
* @param o_done True if the procedure is complete or has aborted.
* False otherwise.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t analyzeCeStats( STEP_CODE_DATA_STRUCT & io_sc, bool & o_done );
/**
* @brief Additional processing if no errors are handled during the
* procedure.
* @param io_sc The step code data struct.
* @return Non-SUCCESS if an internal function fails, SUCCESS otherwise.
*/
uint32_t handleFalseAlarm( STEP_CODE_DATA_STRUCT & io_sc );
#endif // __HOSTBOOT_RUNTIME
private: // instance variables
#ifdef __HOSTBOOT_RUNTIME
/** TPS false alarm (MBA only). Initially true when the object is created.
* Will be set to false if any ECC errors are found during the procedure.*/
bool iv_tpsFalseAlarm = true;
#endif
};
} // end namespace PRDF
#endif // __prdfMemTps_H
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