diff options
Diffstat (limited to 'src/usr/diag/prdf/common/plat/mem/prdfMemMark.H')
| -rw-r--r-- | src/usr/diag/prdf/common/plat/mem/prdfMemMark.H | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/usr/diag/prdf/common/plat/mem/prdfMemMark.H b/src/usr/diag/prdf/common/plat/mem/prdfMemMark.H index b7dd461ab..ccd41359e 100644 --- a/src/usr/diag/prdf/common/plat/mem/prdfMemMark.H +++ b/src/usr/diag/prdf/common/plat/mem/prdfMemMark.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2016 */ +/* Contributors Listed Below - COPYRIGHT 2016,2017 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -147,6 +147,46 @@ uint32_t writeSymbolMark( ExtensibleChip * i_chip, const MemRank & i_rank, template<TARGETING::TYPE T> uint32_t clearSymbolMark( ExtensibleChip * i_chip, const MemRank & i_rank ); +/** + * @brief If a rank contains a symbol mark that is on the same DRAM as the chip + * mark, the symbol mark is removed. This is done to free up available + * repairs. + * @param i_chip MBA or MCA chip. + * @param i_rank Target rank. + * @return Non-SUCCESS if an internal function fails. SUCCESS otherwise. + */ +template<TARGETING::TYPE T> +uint32_t balance( ExtensibleChip * i_chip, const MemRank & i_rank ) +{ + uint32_t o_rc = SUCCESS; + + do + { + // Get the chip mark. + MemMark chipMark; + o_rc = readChipMark<T>( i_chip, i_rank, chipMark ); + if ( SUCCESS != o_rc ) break; + if ( !chipMark.isValid() ) break; // nothing to do. + + // Get the symbol mark. + MemMark symMark; + o_rc = readSymbolMark<T>( i_chip, i_rank, symMark ); + if ( SUCCESS != o_rc ) break; + if ( !symMark.isValid() ) break; // nothing to do. + + // If both the chip and symbol mark are on the same DRAM, clear the + // symbol mark. + if ( chipMark.getSymbol().getDram() == symMark.getSymbol().getDram() ) + { + o_rc = clearSymbolMark<T>( i_chip, i_rank ); + if ( SUCCESS != o_rc ) break; + } + + } while (0); + + return o_rc; +} + } // end namespace MarkStore } // end namespace PRDF |
