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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/mem/prdfMemVcm_rt.C $ */
/* */
/* 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 prdfMemVcm_rt.C */
// Platform includes
#include <prdfMemDqBitmap.H>
#include <prdfMemVcm.H>
#include <prdfP9McaDataBundle.H>
using namespace TARGETING;
namespace PRDF
{
using namespace PlatServices;
//##############################################################################
//
// Helper functions
//
//##############################################################################
template<TARGETING::TYPE T>
VcmFalseAlarm * __getFalseAlarmCounter( ExtensibleChip * i_chip );
template<>
VcmFalseAlarm * __getFalseAlarmCounter<TYPE_MCA>( ExtensibleChip * i_chip )
{
return getMcaDataBundle(i_chip)->getVcmFalseAlarmCounter();
}
template<>
VcmFalseAlarm * __getFalseAlarmCounter<TYPE_MBA>( ExtensibleChip * i_chip )
{
// TODO: RTC 157888
//return getMbaDataBundle(i_chip)->getVcmFalseAlarmCounter();
return nullptr;
}
//##############################################################################
//
// Generic template functions
//
//##############################################################################
template<TARGETING::TYPE T>
uint32_t VcmEvent<T>::falseAlarm( STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[VcmEvent::falseAlarm] "
uint32_t o_rc = SUCCESS;
PRDF_TRAC( PRDF_FUNC "Chip mark false alarm: 0x%08x,0x%02x",
iv_chip->getHuid(), getKey() );
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_VcmFalseAlarm );
do
{
// If DRAM repairs are disabled, make the error log predictive.
if ( areDramRepairsDisabled() )
{
io_sc.service_data->setServiceCall();
break; // Nothing more to do.
}
// Increment the false alarm counter and check threshold.
uint8_t dram = iv_mark.getSymbol().getDram();
if ( __getFalseAlarmCounter<T>(iv_chip)->inc(iv_rank, dram, io_sc) )
{
// False alarm threshold has been reached.
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_VcmFalseAlarmTH );
PRDF_TRAC( PRDF_FUNC "False alarm threshold: 0x%08x,0x%02x",
iv_chip->getHuid(), getKey() );
// Leave the chip mark in place and do any necessary cleanup.
o_rc = cleanup( io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "cleanup() failed" );
break;
}
}
else
{
// Remove the chip mark.
o_rc = MarkStore::clearChipMark<T>( iv_chip, iv_rank );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "clearChipMark(0x%08x,0x%02x) failed",
iv_chip->getHuid(), getKey() );
break;
}
}
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
uint32_t VcmEvent<T>::cleanup( STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[VcmEvent::cleanup] "
uint32_t o_rc = SUCCESS;
do
{
// If there is a symbol mark on the same DRAM as the newly verified chip
// mark, remove the symbol mark.
o_rc = MarkStore::balance<T>( 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;
}
// Set the dram in DRAM Repairs VPD.
o_rc = setDramInVpd<T>( iv_chip, iv_rank, iv_mark.getSymbol() );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "setDramInVpd(0x%08x,0x%02x) failed",
iv_chip->getHuid(), iv_rank.getKey() );
break;
}
// Add a DRAM sparing procedure to the queue, if supported.
// TODO: RTC 157888
// The cleanup() function is called by both verified() and falseAlarm().
// In either case, we can pass in the DRAM characterized by iv_mark to
// determine if there has been a least one false alarm on any DRAM on
// this rank other than this DRAM. If so, the error log should be
// predictive.
VcmFalseAlarm * faCntr = __getFalseAlarmCounter<T>(iv_chip);
uint8_t dram = iv_mark.getSymbol().getDram();
if ( faCntr->queryDrams(iv_rank, dram, io_sc) )
io_sc.service_data->setServiceCall();
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
// Avoid linker errors with the template.
template class VcmEvent<TYPE_MCA>;
template class VcmEvent<TYPE_MBA>;
//##############################################################################
//
// Specializations for MCA
//
//##############################################################################
template<>
uint32_t VcmEvent<TYPE_MCA>::startCmd()
{
#define PRDF_FUNC "[VcmEvent::startCmd] "
uint32_t o_rc = SUCCESS;
// No stop conditions.
mss::mcbist::stop_conditions stopCond;
// Start the time based scrub procedure on this master rank.
o_rc = startTdScrub<TYPE_MCA>( iv_chip, iv_rank, MASTER_RANK, stopCond );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "startTdScrub(0x%08x,0x%2x) failed",
iv_chip->getHuid(), getKey() );
}
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<>
uint32_t VcmEvent<TYPE_MCA>::checkEcc( const uint32_t & i_eccAttns,
STEP_CODE_DATA_STRUCT & io_sc,
bool & o_done )
{
#define PRDF_FUNC "[VcmEvent<TYPE_MCA>::checkEcc] "
uint32_t o_rc = SUCCESS;
do
{
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;
}
// Leave the mark in place and abort this procedure.
o_done = true; break;
}
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() );
// Leave the mark in place and abort this procedure.
o_done = true; break;
}
}
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//##############################################################################
//
// Specializations for MBA
//
//##############################################################################
template<>
uint32_t VcmEvent<TYPE_MBA>::startCmd()
{
#define PRDF_FUNC "[VcmEvent::startCmd] "
uint32_t o_rc = SUCCESS;
uint32_t stopCond = mss_MaintCmd::NO_STOP_CONDITIONS;
// Due to a hardware bug in the Centaur, we must execute runtime maintenance
// commands at a very slow rate. Because of this, we decided that we should
// stop the command immediately on error if there is a UE so that we can
// respond quicker and send a DMD message to the hypervisor as soon as
// possible.
stopCond |= mss_MaintCmd::STOP_ON_UE;
stopCond |= mss_MaintCmd::STOP_IMMEDIATE;
// Again, due to the hardware bug in the Centaur, we want to stop
// immediately if there is an MCE found during phase 2 because that
// indicates an error was detected on the bad DRAM and fixed by the chip
// mark.
if ( TD_PHASE_2 == iv_phase ) stopCond |= mss_MaintCmd::STOP_ON_MCE;
// Start the time based scrub procedure on this master rank.
o_rc = startTdScrub<TYPE_MBA>( iv_chip, iv_rank, MASTER_RANK, stopCond );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "startTdScrub(0x%08x,0x%2x) failed",
iv_chip->getHuid(), getKey() );
}
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<>
uint32_t VcmEvent<TYPE_MBA>::checkEcc( const uint32_t & i_eccAttns,
STEP_CODE_DATA_STRUCT & io_sc,
bool & o_done )
{
#define PRDF_FUNC "[VcmEvent<TYPE_MBA>::checkEcc] "
uint32_t o_rc = SUCCESS;
do
{
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_MBA>( iv_chip, addr );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "getMemMaintAddr(0x%08x) failed",
iv_chip->getHuid() );
break;
}
/* TODO: RTC 157888
o_rc = MemEcc::handleMemUe<TYPE_MBA>( 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;
}
// Leave the mark in place and abort this procedure.
o_done = true; break;
}
if ( i_eccAttns & MAINT_RCE_ETE )
{
io_sc.service_data->setSignature( iv_chip->getHuid(),
PRDFSIG_MaintRETRY_CTE );
// Add the rank to the callout list.
MemoryMru mm { iv_chip->getTrgt(), iv_rank,
MemoryMruData::CALLOUT_RANK };
io_sc.service_data->SetCallout( mm );
// Make the error log predictive.
io_sc.service_data->setServiceCall();
}
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
} // end namespace PRDF
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