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prdfMemTps_rt.C
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prdfMemTps_rt.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/mem/prdfMemTps_rt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] 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_rt.C */
// Platform includes
#include <prdfMemEccAnalysis.H>
#include <prdfMemMark.H>
#include <prdfMemScrubUtils.H>
#include <prdfMemTdFalseAlarm.H>
#include <prdfMemTps.H>
#include <prdfP9McaExtraSig.H>
#include <prdfP9McaDataBundle.H>
#include <prdfTargetServices.H>
using namespace TARGETING;
namespace PRDF
{
using namespace PlatServices;
const uint8_t CE_REGS_PER_PORT = 9;
const uint8_t SYMBOLS_PER_CE_REG = 8;
//TODO RTC 166802
/*
static const char *mbsCeStatReg[][ CE_REGS_PER_PORT ] = {
{ "MBA0_MBSSYMEC0", "MBA0_MBSSYMEC1","MBA0_MBSSYMEC2",
"MBA0_MBSSYMEC3", "MBA0_MBSSYMEC4", "MBA0_MBSSYMEC5",
"MBA0_MBSSYMEC6", "MBA0_MBSSYMEC7", "MBA0_MBSSYMEC8" },
{ "MBA1_MBSSYMEC0", "MBA1_MBSSYMEC1","MBA1_MBSSYMEC2",
"MBA1_MBSSYMEC3", "MBA1_MBSSYMEC4", "MBA1_MBSSYMEC5",
"MBA1_MBSSYMEC6", "MBA1_MBSSYMEC7", "MBA1_MBSSYMEC8" }
};
*/
static const char *mcbCeStatReg[CE_REGS_PER_PORT] =
{
"MCB_MBSSYMEC0", "MCB_MBSSYMEC1", "MCB_MBSSYMEC2",
"MCB_MBSSYMEC3", "MCB_MBSSYMEC4", "MCB_MBSSYMEC5",
"MCB_MBSSYMEC6", "MCB_MBSSYMEC7", "MCB_MBSSYMEC8"
};
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
TpsFalseAlarm * __getTpsFalseAlarmCounter( ExtensibleChip * i_chip );
template<>
TpsFalseAlarm * __getTpsFalseAlarmCounter<TYPE_MCA>( ExtensibleChip * i_chip )
{
return getMcaDataBundle(i_chip)->getTpsFalseAlarmCounter();
}
//------------------------------------------------------------------------------
template<>
TpsFalseAlarm * __getTpsFalseAlarmCounter<TYPE_MBA>( ExtensibleChip * i_chip )
{
// TODO RTC 157888
//return getMbaDataBundle(i_chip)->getTpsFalseAlarmCounter();
return nullptr;
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
bool __badDqCount( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_badDqCount );
template<>
bool __badDqCount<TYPE_MCA>( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_badDqCount )
{
bool badDqFound = false;
for ( auto symData : i_nibbleStats )
{
// If one of the four symbols has a count of at least 8.
if ( symData.count >= 8 )
{
// And the sum of the other three symbols is 1 or less.
uint8_t sum = 0;
for ( auto sumCheck : i_nibbleStats)
{
if ( !(symData.symbol == sumCheck.symbol) )
sum += sumCheck.count;
}
if ( sum <= 1 )
{
io_badDqCount.count++;
io_badDqCount.symList.push_back(symData);
badDqFound = true;
break;
}
}
}
return badDqFound;
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
bool __badChipCount( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_badChipCount );
template<>
bool __badChipCount<TYPE_MCA>( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_badChipCount )
{
bool badChipFound = false;
uint8_t nonZeroCount = 0;
uint8_t minCountTwo = 0;
uint8_t sum = 0;
MemUtils::SymbolData highSym;
for ( auto symData : i_nibbleStats )
{
sum += symData.count;
if ( symData.count > 0 )
nonZeroCount++;
if ( symData.count >= 2 )
minCountTwo++;
if ( symData.count > highSym.count )
highSym = symData;
}
// If the total sum for all four symbols has a count of at least 5
if ( sum >= 5 )
{
// And either:
// 3 or more symbols have a non-zero value.
// or 2 symbols, both with a minimum count of 2.
if ( nonZeroCount >= 3 || minCountTwo >= 2 )
{
io_badChipCount.count++;
io_badChipCount.symList.push_back(highSym);
badChipFound = true;
}
}
return badChipFound;
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
void __sumAboveOneCount( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_sumAboveOneCount );
template<>
void __sumAboveOneCount<TYPE_MCA>( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_sumAboveOneCount )
{
uint8_t sum = 0;
MemUtils::MaintSymbols symList;
for ( auto symData : i_nibbleStats )
{
if ( symData.count > 0 )
{
sum += symData.count;
symList.push_back(symData);
}
}
// If the sum is greater than 1
if ( sum > 1 )
{
io_sumAboveOneCount.count++;
for ( auto sym : symList )
{
io_sumAboveOneCount.symList.push_back(sym);
}
}
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
void __singleSymbolCount( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_singleSymCount );
template<>
void __singleSymbolCount<TYPE_MCA>( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_singleSymCount )
{
uint8_t count = 0;
bool multNonZeroSyms = false;
for ( auto symData : i_nibbleStats )
{
if ( symData.count > 0 )
{
if ( 0 != count )
{
// There are more than one symbol counts that are non-zero
multNonZeroSyms = true;
break;
}
count = symData.count;
}
}
// If there is only one symbol with a non-zero count and that count > 1
if ( count > 1 && !multNonZeroSyms )
io_singleSymCount.count++;
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
void __analyzeNibbleSyms( MemUtils::MaintSymbols i_nibbleStats,
CeCount & io_badDqCount, CeCount & io_badChipCount,
CeCount & io_sumAboveOneCount, CeCount & io_singleSymCount )
{
do
{
// Check if this nibble has a bad dq.
if ( __badDqCount<T>( i_nibbleStats, io_badDqCount ) )
break;
// Check if this nibble has a bad chip.
if ( __badChipCount<T>( i_nibbleStats, io_badChipCount ) )
break;
// Check if this nibble is under threshold with a sum greater than 1.
__sumAboveOneCount<T>( i_nibbleStats, io_sumAboveOneCount );
// Check if this nibble is under threshold with only a single symbol
// with a non-zero count, and that count is > 1.
__singleSymbolCount<T>( i_nibbleStats, io_singleSymCount );
}while(0);
}
//------------------------------------------------------------------------------
template<DIMMS_PER_RANK T>
uint32_t __updateVpdSumAboveOne( CeCount i_sumAboveOneCount,
MemDqBitmap<T> & io_dqBitmap )
{
#define PRDF_FUNC "[__updateVpdSumAboveOne<T>] "
uint32_t o_rc = SUCCESS;
do
{
// For nibbles under threshold with a sum greater than 1, update VPD
// with it's non-zero symbols. This is so if we do TPS again, we'll
// callout again even if the symbol counters change.
for ( auto sym : i_sumAboveOneCount.symList )
{
o_rc = io_dqBitmap.setSymbol( sym.symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "io_dqBitmap.setSymbol failed." );
break;
}
}
}while(0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
uint32_t TpsEvent<T>::startTpsPhase1_rt( STEP_CODE_DATA_STRUCT & io_sc )
{
PRDF_TRAC( "[TpsEvent] Starting TPS Phase 1: 0x%08x,0x%02x",
iv_chip->getHuid(), getKey() );
iv_phase = TD_PHASE_1;
io_sc.service_data->AddSignatureList( iv_chip->getTrgt(),
PRDFSIG_StartTpsPhase1 );
bool countAllCes = false;
if ( __getTpsFalseAlarmCounter<T>(iv_chip)->count(iv_rank, io_sc) >= 1 )
countAllCes = true;
return PlatServices::startTpsRuntime<T>( iv_chip, iv_rank, countAllCes);
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
uint32_t TpsEvent<T>::analyzeTpsPhase1_rt( STEP_CODE_DATA_STRUCT & io_sc,
bool & o_done )
{
#define PRDF_FUNC "[TpsEvent<T>::analyzeTpsPhase1_rt] "
uint32_t o_rc = SUCCESS;
do
{
// Analyze Ecc Attentions
uint32_t eccAttns;
o_rc = checkEccFirs<T>( iv_chip, eccAttns );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "checkEccFirs(0x%08x) failed",
iv_chip->getHuid() );
break;
}
o_rc = analyzeEcc( eccAttns, io_sc, o_done );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "analyzeEcc() failed." );
break;
}
if ( o_done ) break;
// Analyze CEs
o_rc = analyzeCe( io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "analyzeCe() failed." );
break;
}
// At this point, we are done with the procedure.
o_done = true;
// If iv_ban is true, then ban TPS on this rank.
if ( iv_ban )
{
// It doesn't matter what we set the value to, we just need to
// make sure the rank exists in the map.
getMcaDataBundle(iv_chip)->iv_tpsBans[iv_rank] = true;
}
// Since TPS is complete, clear the CE table for this slave rank.
getMcaDataBundle(iv_chip)->iv_ceTable.deactivateRank( iv_rank );
}while(0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template <>
uint32_t TpsEvent<TYPE_MCA>::analyzeEcc( const uint32_t & i_eccAttns,
STEP_CODE_DATA_STRUCT & io_sc,
bool & o_done )
{
#define PRDF_FUNC "[TpsEvent<TYPE_MCA>::analyzeEcc] "
uint32_t o_rc = SUCCESS;
do
{
// If there was a UE.
if ( i_eccAttns & MAINT_UE )
{
PRDF_TRAC( PRDF_FUNC "UE Detected: 0x%08x,0x%02x",
iv_chip->getHuid(), getKey() );
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_MaintUE );
// At this point we don't actually have an address for the UE. The
// best we can do is get the address in which the command stopped.
MemAddr addr;
o_rc = getMemMaintAddr<TYPE_MCA>( iv_chip, addr );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "getMemMaintAddr(0x%08x) failed",
iv_chip->getHuid() );
break;
}
o_rc = MemEcc::handleMemUe<TYPE_MCA>( iv_chip, addr,
UE_TABLE::SCRUB_UE, io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "handleMemUe(0x%08x,0x%02x) failed",
iv_chip->getHuid(), getKey() );
break;
}
// Abort this procedure because additional repairs will likely
// not help (also avoids complication of having UE and MPE at
// the same time).
o_done = true; break;
}
// If there was an IUE (MNFG only).
if ( mfgMode() && (i_eccAttns & MAINT_IUE) )
{
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_MaintIUE );
o_rc = MemEcc::handleMemIue<TYPE_MCA, McaDataBundle *>( iv_chip,
iv_rank,
io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "handleMemIue(0x%08x,0x%02x) failed",
iv_chip->getHuid(), getKey() );
break;
}
// If service call is set, then IUE threshold was reached.
if ( io_sc.service_data->queryServiceCall() )
{
PRDF_TRAC( PRDF_FUNC "IUE threshold detected: 0x%08x,0x%02x",
iv_chip->getHuid(), getKey() );
// Abort this procedure because port failure will be triggered
// after analysis is complete.
o_done = true; break;
}
}
// If there was an MPE.
if ( i_eccAttns & MAINT_MPE )
{
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_MaintMPE );
o_rc = MemEcc::handleMpe<TYPE_MCA, McaDataBundle *>( iv_chip,
iv_rank, io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "handleMpe<T>(0x%08x, 0x%02x) failed",
iv_chip->getHuid(), iv_rank.getKey() );
break;
}
// Abort this procedure because the chip mark may have fixed the
// symbol that triggered TPS
o_done = true; break;
}
}while(0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<>
uint32_t TpsEvent<TYPE_MCA>::analyzeCeSymbolCounts( CeCount i_badDqCount,
CeCount i_badChipCount, CeCount i_sumAboveOneCount,
CeCount i_singleSymCount, STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[TpsEvent<TYPE_MCA>::analyzeCeSymbolCounts] "
uint32_t o_rc = SUCCESS;
do
{
bool tpsFalseAlarm = false;
// Get the Bad DQ Bitmap.
TargetHandle_t mcaTrgt = iv_chip->getTrgt();
MemDqBitmap<DIMMS_PER_RANK::MCA> dqBitmap;
o_rc = getBadDqBitmap<DIMMS_PER_RANK::MCA>(mcaTrgt, iv_rank, dqBitmap);
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "getBadDqBitmap<DIMMS_PER_RANK::MCA>"
"(0x%08x, 0x%02x) failed", getHuid(mcaTrgt),
iv_rank.getKey() );
break;
}
// Get the symbol mark.
MemMark symMark;
o_rc = MarkStore::readSymbolMark<TYPE_MCA>( iv_chip, iv_rank, symMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "readSymbolMark<TYPE_MCA>(0x%08x, 0x%02x) "
"failed", iv_chip->getHuid(), iv_rank.getKey() );
break;
}
// Get the chip mark.
MemMark chipMark;
o_rc = MarkStore::readChipMark<TYPE_MCA>( iv_chip, iv_rank, chipMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "readChipMark<TYPE_MCA>(0x%08x, 0x%02x) "
"failed", iv_chip->getHuid(), iv_rank.getKey() );
break;
}
// If the bad DQ nibble count is 0 and the bad chip nibble count is 0.
if ( 0 == i_badDqCount.count && 0 == i_badChipCount.count )
{
// There is nothing to repair. Any other non-zero counts are
// considered acceptable noise.
// Set false alarm flag to true.
tpsFalseAlarm = true;
}
// If the bad DQ nibble count is 1 and the bad chip nibble count is 0.
else if ( 1 == i_badDqCount.count && 0 == i_badChipCount.count )
{
// If the symbol mark is available.
if ( !symMark.isValid() )
{
// If the sum above one nibble count is <= 1 or sum above one
// nibble count == 2 and single sym nibble count == 2
if ( (i_sumAboveOneCount.count <= 1) ||
(i_sumAboveOneCount.count == 2 &&
i_singleSymCount.count == 2) )
{
// This means we have a potential future chip kill or
// TCE. Both are still correctable after a symbol mark
// is placed.
// Place a symbol mark on this bad DQ.
MemMark newSymMark( mcaTrgt, iv_rank,
i_badDqCount.symList[0].symbol );
o_rc = MarkStore::writeSymbolMark<TYPE_MCA>( iv_chip,
iv_rank, newSymMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "writeSymbolMark(0x%08x,0x%02x) "
"failed", iv_chip->getHuid(), getKey() );
break;
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymbolMark );
// Update VPD with the symbol mark.
o_rc = dqBitmap.setSymbol( i_badDqCount.symList[0].symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setSymbol failed." );
break;
}
}
else
{
// Placing a symbol mark risks a UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymUeRisk );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs.
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
}
else
{
// Otherwise assume the symbol mark is fixing this bad DQ.
// Set the false alarm flag to true.
tpsFalseAlarm = true;
}
}
// Else if bad DQ nibble count is 2 and bad chip nibble count is 0.
else if ( 2 == i_badDqCount.count && 0 == i_badChipCount.count )
{
// Permanently mask mainline NCEs and TCEs.
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
// If the symbol mark is available.
if ( !symMark.isValid() )
{
// If the sum above one nibble count is = 0 or sum above one
// nibble count = 1 and single sym nibble count = 1
if ( (i_sumAboveOneCount.count == 0) ||
(i_sumAboveOneCount.count == 1 &&
i_singleSymCount.count == 1) )
{
// This means we have only one more potential bad DQ, which
// is correctable after a symbol mark is placed.
// Place a symbol mark on this bad DQ with the highest count
MemUtils::SymbolData highSym;
for ( auto sym : i_badDqCount.symList )
{
if ( sym.count > highSym.count )
highSym = sym;
}
MemMark newSymMark( mcaTrgt, iv_rank,
highSym.symbol );
o_rc = MarkStore::writeSymbolMark<TYPE_MCA>( iv_chip,
iv_rank, newSymMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "writeSymbolMark(0x%08x,0x%02x) "
"failed", iv_chip->getHuid(), getKey() );
break;
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymbolMark );
// Update VPD with both symbols.
for ( auto sym : i_badDqCount.symList )
{
o_rc = dqBitmap.setSymbol( sym.symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setSymbol failed." );
break;
}
}
if ( SUCCESS != o_rc ) break;
}
else
{
// Placing a symbol mark risks a UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymUeRisk );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
}
}
else
{
// Otherwise assume the symbol mark is fixing a bad DQ.
// Update VPD with the unrepaired symbol.
for ( auto sym : i_badDqCount.symList )
{
if ( sym.symbol == symMark.getSymbol() ) continue;
o_rc = dqBitmap.setSymbol( sym.symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setSymbol failed." );
break;
}
}
if ( SUCCESS != o_rc ) break;
// Set the false alarm flag to true.
tpsFalseAlarm = true;
}
}
// Else if bad DQ nibble count is 0 and bad chip nibble count is 1
else if ( 0 == i_badDqCount.count && 1 == i_badChipCount.count )
{
// If the chip mark is available.
if ( !chipMark.isValid() )
{
// If the sum above one nibble count is = 0 or the sum above one
// nibble count = 1 and the single sym nibble count = 1
if ( (i_sumAboveOneCount.count == 0) ||
(i_sumAboveOneCount.count == 1 &&
i_singleSymCount.count == 1) )
{
// This means we have only one more potential bad DQ, which
// is still correctable after a chip mark is placed.
// Place a chip mark on this bad chip.
MemMark newChipMark( mcaTrgt, iv_rank,
i_badChipCount.symList[0].symbol );
o_rc = MarkStore::writeChipMark<TYPE_MCA>( iv_chip, iv_rank,
newChipMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "writeChipMark(0x%08x,0x%02x) "
"failed", iv_chip->getHuid(), getKey() );
break;
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsChipMark );
// Update VPD with the chip mark.
o_rc = dqBitmap.setDram( i_badChipCount.symList[0].symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setDram failed." );
break;
}
}
else
{
// Placing a mark risks a UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsChipUeRisk );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
}
else
{
// Assume the chip mark is being used to fix the bad chip.
// Set the false alarm flag to true.
tpsFalseAlarm = true;
}
}
// Else if bad DQ nibble count is 1 and bad chip nibble count is 1
else if ( 1 == i_badDqCount.count && 1 == i_badChipCount.count )
{
// If neither chip nor symbol mark is available.
if ( chipMark.isValid() && symMark.isValid() )
{
// Assume the chip and symbol marks are already being used to
// fix the bad chip and DQ and some other nibble under
// threshold triggered TPS.
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
// If the chip mark is available.
if ( !chipMark.isValid() )
{
// If the sum above one nibble count is 0
if ( 0 == i_sumAboveOneCount.count )
{
// This means we have no more potential bad DQ or bad chips
// since we can't correct those after chip mark is placed.
// Place a chip mark on the bad chip.
MemMark newChipMark( mcaTrgt, iv_rank,
i_badChipCount.symList[0].symbol );
o_rc = MarkStore::writeChipMark<TYPE_MCA>( iv_chip, iv_rank,
newChipMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "writeChipMark(0x%08x,0x%02x) "
"failed", iv_chip->getHuid(), getKey() );
break;
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsChipMark );
// Update VPD with the chip mark.
o_rc = dqBitmap.setDram( i_badChipCount.symList[0].symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setDram failed." );
break;
}
// Make the error log predictive.
io_sc.service_data->setServiceCall();
}
else
{
// Placing a chip mark risks a UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsChipUeRisk );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs.
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
}
// If the symbol mark is available.
if ( !symMark.isValid() )
{
// If the sum above one nibble count is 0
if ( 0 == i_sumAboveOneCount.count )
{
// This means we have no more potential bad DQ or bad chips
// since we can't correct those after symbol mark is placed.
// Place a symbol mark on this bad DQ.
MemMark newSymMark( mcaTrgt, iv_rank,
i_badDqCount.symList[0].symbol );
o_rc = MarkStore::writeSymbolMark<TYPE_MCA>( iv_chip,
iv_rank, newSymMark );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "writeSymbolMark(0x%08x,0x%02x) "
"failed", iv_chip->getHuid(), getKey() );
break;
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymbolMark );
// Update VPD with the symbol mark.
o_rc = dqBitmap.setSymbol( i_badDqCount.symList[0].symbol );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "dqBitmap.setSymbol failed." );
break;
}
// Make the error log predictive.
io_sc.service_data->setServiceCall();
}
else
{
// Placing the symbol mark risks a UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsSymUeRisk );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs.
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
}
}
else
{
// There are enough errors that this could be a potential UE.
// For nibbles under threshold with a sum greater than 1,
// update VPD with it's non-zero symbols.
o_rc = __updateVpdSumAboveOne<DIMMS_PER_RANK::MCA>(
i_sumAboveOneCount, dqBitmap );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "__updateVpdSumAboveOne<DIMMS_PER"
"_RANK::MCA>() failed." );
}
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsPotentialUe );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
// Permanently mask mainline NCEs and TCEs.
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
// If analysis resulted in a false alarm.
if ( tpsFalseAlarm )
{
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsFalseAlarm );
// Increase false alarm counter.
// If false alarm counter threshold of 3 per day is reached.
if ( __getTpsFalseAlarmCounter<TYPE_MCA>(iv_chip)->inc( iv_rank,
io_sc) )
{
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_TpsFalseAlarmTH );
// Permanently mask mainline NCEs and TCEs
getMcaDataBundle(iv_chip)->iv_maskMainlineNceTce = true;
}
}
// We may have placed a chip mark, so if a symbol mark is being used on
// the same chip, undo the symbol mark after the chip mark is in place.
o_rc = MarkStore::balance<TYPE_MCA>( iv_chip, iv_rank, io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "MarkStore::balance(0x%08x,0x%02x) failed",
iv_chip->getHuid(), getKey() );
break;
}
// Write any updates to VPD.
o_rc = setBadDqBitmap<DIMMS_PER_RANK::MCA>(mcaTrgt, iv_rank, dqBitmap);
if ( SUCCESS != o_rc )
{
PRDF_ERR(PRDF_FUNC "setBadDqBitmap<DIMMS_PER_RANK::MCA>"
"(0x%08x, 0x%02x) failed", getHuid(mcaTrgt),
iv_rank.getKey());
break;
}
}while(0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<>
uint32_t TpsEvent<TYPE_MCA>::getSymbolCeCounts( CeCount & io_badDqCount,
CeCount & io_badChipCount, CeCount & io_sumAboveOneCount,
CeCount & io_singleSymCount, STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[TpsEvent<TYPE_MCA>::getSymbolCeCounts] "
uint32_t o_rc = SUCCESS;
do
{
// Get the Bad DQ Bitmap.
TargetHandle_t mcaTrgt = iv_chip->getTrgt();
MemDqBitmap<DIMMS_PER_RANK::MCA> dqBitmap;
o_rc = getBadDqBitmap<DIMMS_PER_RANK::MCA>(mcaTrgt, iv_rank, dqBitmap);
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "getBadDqBitmap<DIMMS_PER_RANK::MCA>"
"(0x%08x,%d) failed", getHuid(mcaTrgt),
iv_rank.getMaster() );
break;
}
std::vector<MemSymbol> bmSymList = dqBitmap.getSymbolList();
ExtensibleChip * mcbChip = getConnectedParent( iv_chip, TYPE_MCBIST );
const char * reg_str = nullptr;
SCAN_COMM_REGISTER_CLASS * reg = nullptr;
for ( uint8_t regIdx = 0; regIdx < CE_REGS_PER_PORT; regIdx++ )
{
reg_str = mcbCeStatReg[regIdx];
reg = mcbChip->getRegister( reg_str );
o_rc = reg->Read();
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "Read() failed on %s.", reg_str );
break;
}
uint8_t baseSymbol = SYMBOLS_PER_CE_REG * regIdx;