diff options
Diffstat (limited to 'src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H')
| -rw-r--r-- | src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H b/src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H index 407485f64..2b1bda8fe 100644 --- a/src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H +++ b/src/import/generic/memory/lib/utils/mcbist/gen_mss_mcbist_fwms_address.H @@ -22,3 +22,154 @@ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ + +/// +/// @file gen_mss_mcbist_fwms_address.H +/// @brief Class for FWMS trap addresses (addresses below the hash translation) +/// +// *HWP HWP Owner: Stephen Glancy <sglancy@us.ibm.com> +// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com> +// *HWP Team: Memory +// *HWP Level: 3 +// *HWP Consumed by: HB:FSP + +#ifndef _GEN_MSS_MCBIST_FWMS_ADDRESS_H_ +#define _GEN_MSS_MCBIST_FWMS_ADDRESS_H_ + +#include <fapi2.H> +#include <utility> +#include <generic/memory/lib/ecc/ecc_traits.H> +#include <generic/memory/lib/utils/mcbist/gen_mss_mcbist_address.H> +#include <generic/memory/lib/utils/mcbist/gen_mss_mcbist_traits.H> + +namespace mss +{ + +namespace ecc +{ + +namespace fwms +{ + +/// +/// @class address +/// @brief Converts Firmware Mark Store ADDRESS field into mcbist::address +/// @tparam MC the mc type of the T +/// @tparam T fapi2 Target Type defaults to fapi2::TARGET_TYPE_MCA or TARGET_TYPE_MEM_PORT +/// @tparam TT traits type defaults to eccTraits<MC, T> +/// @note template argument defaults are in forward declaration in lib/mcbist/address.H +/// @note 12 = dimm +/// @note 13:14 = mrank +/// @note 15:17 = srank +/// @note 18:19 = bank group +/// @note 20:22 = bank +/// +// See declaration below +template< mss::mc_type MC = DEFAULT_MC_TYPE, fapi2::TargetType T = mss::mcbistMCTraits<MC>::FWMS_ADDR_TARGET_TYPE, typename TT = mss::eccTraits<MC, T> > +class address +{ + public: + // first is the start bit of the field, second is the length + using field = std::pair<uint64_t, uint64_t>; + + constexpr static field DIMM = {TT::FIRMWARE_MS_ADDRESS, 1}; + constexpr static field MRANK = {TT::FIRMWARE_MS_ADDRESS + 1, 2}; + constexpr static field SRANK = {TT::FIRMWARE_MS_ADDRESS + 3, 3}; + constexpr static field BANK_GROUP = {TT::FIRMWARE_MS_ADDRESS + 6, 2}; + constexpr static field BANK = {TT::FIRMWARE_MS_ADDRESS + 8, 3}; + + address() = default; + + /// + /// @brief Construct an address from a uint64_t (scom'ed value) + /// @param[in] i_value representing raw value from FWMS register + /// + address( const uint64_t& i_value ): + iv_value(i_value) + { + } + + /// + /// @brief Construct an address from an mcbist::address + /// @param[in] i_mcbist_address mcbist formatted address + /// @note Construction of mcbist::address from address + /// @note located in mcbist::address class + /// + address( const mss::mcbist::address& i_mcbist_address ) + { + iv_value.insertFromRight<DIMM.first, DIMM.second>(i_mcbist_address.get_dimm()); + iv_value.insertFromRight<MRANK.first, MRANK.second>(i_mcbist_address.get_master_rank()); + iv_value.insertFromRight<SRANK.first, SRANK.second>(i_mcbist_address.get_slave_rank()); + iv_value.insertFromRight<BANK_GROUP.first, BANK_GROUP.second>(i_mcbist_address.get_bank_group()); + iv_value.insertFromRight<BANK.first, BANK.second>(i_mcbist_address.get_bank()); + } + + /// + /// @brief Construct an address from an ecc::fwms::address + /// @tparam MC the mc type + /// @param[in] i_address representing an address field from a firmware mark store register + /// + + /// + /// @brief Construct an mcbist::address from an ecc::fwms::address + /// @return the mcbist::address + /// + inline operator mss::mcbist::address() const + { + mss::mcbist::address l_mcbist_address; + l_mcbist_address.set_dimm (this->get_field<DIMM>()); + l_mcbist_address.set_master_rank(this->get_field<MRANK>()); + l_mcbist_address.set_slave_rank (this->get_field<SRANK>()); + l_mcbist_address.set_bank_group (this->get_field<BANK_GROUP>()); + l_mcbist_address.set_bank (this->get_field<BANK>()); + return l_mcbist_address; + } + + /// + /// @brief Conversion operator to uint64_t + /// + inline operator uint64_t() const + { + uint64_t l_temp = 0; + iv_value.extract<TT::FIRMWARE_MS_ADDRESS, TT::FIRMWARE_MS_ADDRESS_LEN, TT::FIRMWARE_MS_ADDRESS>(l_temp); + return l_temp; + } + + /// + /// @brief Get a field from an address + /// @tparam F the field to get + /// @return right-aligned uint64_t representing the value + /// + template< const field& F > + inline uint64_t get_field() const + { + uint64_t l_value = 0; + iv_value.extractToRight<F.first, F.second>(l_value); + return l_value; + } + + private: + fapi2::buffer<uint64_t> iv_value; + +}; + +template< mss::mc_type MC, fapi2::TargetType T , typename TT > +constexpr typename address<MC, T, TT>::field address<MC, T, TT>::DIMM; + +template< mss::mc_type MC, fapi2::TargetType T , typename TT > +constexpr typename address<MC, T, TT>::field address<MC, T, TT>::MRANK; + +template< mss::mc_type MC, fapi2::TargetType T , typename TT > +constexpr typename address<MC, T, TT>::field address<MC, T, TT>::SRANK; + +template< mss::mc_type MC, fapi2::TargetType T , typename TT > +constexpr typename address<MC, T, TT>::field address<MC, T, TT>::BANK_GROUP; + +template< mss::mc_type MC, fapi2::TargetType T , typename TT > +constexpr typename address<MC, T, TT>::field address<MC, T, TT>::BANK; + + +} // close namespace fwms +} // close namespace ecc +} // close namespace mss +#endif |
