/**
* @brief Plugin to mask the side effects of an RCD parity error
* @param i_mbaChip A Centaur MBA chip.
* @param i_sc The step code data struct.
* @return SUCCESS
*/
int32_t maskRcdParitySideEffects( ExtensibleChip * i_mbaChip,
STEP_CODE_DATA_STRUCT & i_sc )
{
#define PRDF_FUNC "[maskRcdParitySideEffects] "
int32_t l_rc = SUCCESS;
do
{
//use a data bundle to get the membuf chip
CenMbaDataBundle * mbadb = getMbaDataBundle( i_mbaChip );
ExtensibleChip * membChip = mbadb->getMembChip();
if (NULL == membChip)
{
PRDF_ERR(PRDF_FUNC "getMembChip() failed");
break;
}
//get the masks for each FIR
SCAN_COMM_REGISTER_CLASS * mbsFirMaskOr =
membChip->getRegister("MBSFIR_MASK_OR");
SCAN_COMM_REGISTER_CLASS * mbaCalMaskOr =
i_mbaChip->getRegister("MBACALFIR_MASK_OR");
SCAN_COMM_REGISTER_CLASS * mbaFirMaskOr =
i_mbaChip->getRegister("MBAFIR_MASK_OR");
mbaFirMaskOr->SetBit(2);
mbaCalMaskOr->SetBit(2);
mbaCalMaskOr->SetBit(17);
mbsFirMaskOr->SetBit(4);
l_rc = mbaFirMaskOr->Write();
l_rc |= mbaCalMaskOr->Write();
l_rc |= mbsFirMaskOr->Write();
if (SUCCESS != l_rc)
{
PRDF_ERR(PRDF_FUNC "MBAFIR_MASK_OR/MBACALFIR_MASK_OR/MBSFIR_MASK_OR"
" write failed for 0x%08x", i_mbaChip->GetId());
break;
}
}while(0);
return SUCCESS;
#undef PRDF_FUNC
}
int32_t CenMbaTdCtlrCommon::initialize()
{
#define PRDF_FUNC "[CenMbaTdCtlrCommon::initialize] "
int32_t o_rc = SUCCESS;
do
{
// Set iv_mbaTrgt
iv_mbaTrgt = iv_mbaChip->GetChipHandle();
// Validate iv_mbaChip.
if ( TYPE_MBA != getTargetType(iv_mbaTrgt) )
{
PRDF_ERR( PRDF_FUNC "iv_mbaChip is not TYPE_MBA" );
o_rc = FAIL; break;
}
// Set iv_membChip.
CenMbaDataBundle * mbadb = getMbaDataBundle( iv_mbaChip );
iv_membChip = mbadb->getMembChip();
if ( NULL == iv_membChip )
{
PRDF_ERR( PRDF_FUNC "getMembChip() failed" );
o_rc = FAIL; break;
}
// Set iv_mbaPos.
iv_mbaPos = getTargetPosition( iv_mbaTrgt );
if ( MAX_MBA_PER_MEMBUF <= iv_mbaPos )
{
PRDF_ERR( PRDF_FUNC "iv_mbaPos=%d is invalid", iv_mbaPos );
o_rc = FAIL; break;
}
// Set iv_x4Dimm.
iv_x4Dimm = isDramWidthX4(iv_mbaTrgt);
} while (0);
return o_rc;
#undef PRDF_FUNC
}
int32_t getDramSize( ExtensibleChip *i_mbaChip, uint8_t & o_size )
{
#define PRDF_FUNC "[MemUtils::getDramSize] "
int32_t o_rc = SUCCESS;
o_size = SIZE_2GB;
do
{
TargetHandle_t mbaTrgt = i_mbaChip->GetChipHandle();
CenMbaDataBundle * mbadb = getMbaDataBundle( i_mbaChip );
ExtensibleChip * membufChip = mbadb->getMembChip();
if ( NULL == membufChip )
{
PRDF_ERR( PRDF_FUNC "getMembChip() failed: MBA=0x%08x",
getHuid(mbaTrgt) );
o_rc = FAIL; break;
}
uint32_t pos = getTargetPosition(mbaTrgt);
const char * reg_str = (0 == pos) ? "MBA0_MBAXCR" : "MBA1_MBAXCR";
SCAN_COMM_REGISTER_CLASS * reg = membufChip->getRegister( reg_str );
o_rc = reg->Read();
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "Read() failed on %s. Target=0x%08x",
reg_str, getHuid(mbaTrgt) );
break;
}
o_size = reg->GetBitFieldJustified( 6, 2 );
} while(0);
return o_rc;
#undef PRDF_FUNC
}
int32_t collectCeStats( ExtensibleChip * i_mbaChip, const CenRank & i_rank,
MaintSymbols & o_maintStats, CenSymbol & o_chipMark,
uint8_t i_thr )
{
#define PRDF_FUNC "[MemUtils::collectCeStats] "
int32_t o_rc = SUCCESS;
o_chipMark = CenSymbol(); // Initially invalid.
do
{
if ( 0 == i_thr ) // Must be non-zero
{
PRDF_ERR( PRDF_FUNC "i_thr %d is invalid", i_thr );
o_rc = FAIL; break;
}
TargetHandle_t mbaTrgt = i_mbaChip->GetChipHandle();
CenMbaDataBundle * mbadb = getMbaDataBundle( i_mbaChip );
ExtensibleChip * membufChip = mbadb->getMembChip();
if ( NULL == membufChip )
{
PRDF_ERR( PRDF_FUNC "getMembChip() failed" );
o_rc = FAIL; break;
}
uint8_t mbaPos = getTargetPosition( mbaTrgt );
if ( MAX_MBA_PER_MEMBUF <= mbaPos )
{
PRDF_ERR( PRDF_FUNC "mbaPos %d is invalid", mbaPos );
o_rc = FAIL; break;
}
const bool isX4 = isDramWidthX4(mbaTrgt);
// Get the current spares on this rank.
CenSymbol sp0, sp1, ecc;
o_rc = mssGetSteerMux( mbaTrgt, i_rank, sp0, sp1, ecc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "mssGetSteerMux() failed." );
break;
}
// Use this map to keep track of the total counts per DRAM.
DramCountMap dramCounts;
const char * reg_str = NULL;
SCAN_COMM_REGISTER_CLASS * reg = NULL;
for ( uint8_t regIdx = 0; regIdx < CE_REGS_PER_MBA; regIdx++ )
{
reg_str = mbsCeStatReg[mbaPos][regIdx];
reg = membufChip->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;
for ( uint8_t i = 0; i < SYMBOLS_PER_CE_REG; i++ )
{
uint8_t count = reg->GetBitFieldJustified( (i*8), 8 );
if ( 0 == count ) continue; // nothing to do
uint8_t sym = baseSymbol + i;
uint8_t dram = symbol2Dram( sym, isX4 );
// Keep track of the total DRAM counts.
dramCounts[dram].totalCount += count;
// Add any symbols that have exceeded threshold to the list.
if ( i_thr <= count )
{
// Keep track of the total number of symbols per DRAM that
// have exceeded threshold.
dramCounts[dram].symbolCount++;
SymbolData symData;
symData.symbol = CenSymbol::fromSymbol( mbaTrgt, i_rank,
sym, CEN_SYMBOL::BOTH_SYMBOL_DQS );
if ( !symData.symbol.isValid() )
{
PRDF_ERR( PRDF_FUNC "CenSymbol() failed: symbol=%d",
sym );
o_rc = FAIL;
break;
}
else
{
// Check if this symbol is on any of the spares.
if ( ( sp0.isValid() &&
(sp0.getDram() == symData.symbol.getDram()) ) ||
( sp1.isValid() &&
(sp1.getDram() == symData.symbol.getDram()) ) )
{
symData.symbol.setDramSpared();
}
if ( ecc.isValid() &&
(ecc.getDram() == symData.symbol.getDram()) )
{
symData.symbol.setEccSpared();
}
// Add the symbol to the list.
symData.count = count;
o_maintStats.push_back( symData );
}
}
}
if ( SUCCESS != o_rc ) break;
}
if ( SUCCESS != o_rc ) break;
if ( o_maintStats.empty() ) break; // no need to continue
// Sort the list of symbols.
std::sort( o_maintStats.begin(), o_maintStats.end(), sortSymDataCount );
// Get the DRAM with the highest count.
uint32_t highestDram = 0;
uint32_t highestCount = 0;
const uint32_t symbolTH = isX4 ? 1 : 2;
for ( DramCountMap::iterator it = dramCounts.begin();
it != dramCounts.end(); ++it )
{
if ( (symbolTH <= it->second.symbolCount) &&
(highestCount < it->second.totalCount ) )
{
highestDram = it->first;
highestCount = it->second.totalCount;
}
}
if ( 0 != highestCount )
{
uint8_t sym = dram2Symbol( highestDram, isX4 );
o_chipMark = CenSymbol::fromSymbol( mbaTrgt, i_rank, sym );
// Check if this symbol is on any of the spares.
if ( ( sp0.isValid() && (sp0.getDram() == o_chipMark.getDram()) ) ||
( sp1.isValid() && (sp1.getDram() == o_chipMark.getDram()) ) )
{
o_chipMark.setDramSpared();
}
if ( ecc.isValid() && (ecc.getDram() == o_chipMark.getDram()) )
{
o_chipMark.setEccSpared();
}
}
} while(0);
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "Failed: i_mbaChip=0x%08x i_rank=m%ds%d i_thr=%d",
i_mbaChip->GetId(), i_rank.getMaster(), i_rank.getSlave(),
i_thr );
}
return o_rc;
#undef PRDF_FUNC
}
