diff options
Diffstat (limited to 'src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C')
| -rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C | 74 |
1 files changed, 44 insertions, 30 deletions
diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C index 3411bc1d3..ea703b9e7 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/power_thermal/exp_decoder.C @@ -25,7 +25,7 @@ /// /// @file exp_decoder.C -/// @brief Decode MSS_MRW_PWR_CURVE_SLOPE, PWR_CURVE_INTERCEPT, and THERMAL_POWER_LIMIT +/// @brief Decode MRW attributes for DIMM power curves and power limits /// // *HWP HWP Owner: Louis Stermole <stermole@us.ibm.com> // *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com> @@ -63,9 +63,9 @@ const std::vector< std::pair<uint8_t , uint8_t> > throttle_traits<mss::mc_type:: /// /// @brief Finds a value for the power curve slope attributes by matching the generated hashes -/// @param[in] i_slope vector of generated key-values from POWER_CURVE_SLOPE +/// @param[in] i_slope vector of generated key-values from MRW power curve attriutes /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful -/// @note populates iv_vddr_slope, iv_total_slop +/// @note populates iv_vddr_slope, iv_total_slope /// template<> fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_slope ( @@ -74,7 +74,7 @@ fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_slope ( using TT = throttle_traits<mss::mc_type::EXPLORER>; // For explorer, two attribute are used to get slope (i_slope[0], i_slope[1]) - // ATTR_MSS_MRW_OCMB_THERMAL_MEMORY_PWR_SLOPE is for thermal power slope + // ATTR_MSS_MRW_OCMB_PWR_SLOPE is for thermal power slope // ATTR_MSS_MRW_OCMB_CURRENT_CURVE_WITH_LIMIT is for power slope FAPI_ASSERT(i_slope.size() == 2, fapi2::MSS_POWER_THERMAL_ATTR_VECTORS_INCORRECT() @@ -88,7 +88,7 @@ fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_slope ( // To get thermal power slope FAPI_TRY( (get_power_thermal_value<TT::THERMAL_START, TT::THERMAL_LENGTH, SLOPE>( *i_slope[0], - "ATTR_MSS_MRW_OCMB_THERMAL_MEMORY_PWR_SLOPE", + "ATTR_MSS_MRW_OCMB_PWR_SLOPE", iv_total_slope)) ); // To get power slope @@ -103,7 +103,7 @@ fapi_try_exit: /// /// @brief Finds a value for power curve intercept attributes by matching the generated hashes -/// @param[in] i_intercept vector of generated key-values for ATTR_MSS_MRW_POWER_CURVE_INTERCEPT +/// @param[in] i_intercept vector of generated key-values from MRW power curve attributes /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful /// @note populates iv_vddr_intercept, iv_total_intercept /// @@ -114,7 +114,7 @@ fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_intercept ( using TT = throttle_traits<mss::mc_type::EXPLORER>; // For explorer, two attribute are used to get slope (i_slope[0], i_slope[1]) - // ATTR_MSS_MRW_OCMB_POWER_INTERCEPT is for thermal power intercept + // ATTR_MSS_MRW_OCMB_PWR_INTERCEPT is for thermal power intercept // ATTR_MSS_MRW_OCMB_CURRENT_CURVE_WITH_LIMIT is for power intercept FAPI_ASSERT(i_intercept.size() == 2, fapi2::MSS_POWER_THERMAL_ATTR_VECTORS_INCORRECT() @@ -128,7 +128,7 @@ fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_intercept ( // To get thermal power intercept FAPI_TRY( (get_power_thermal_value<TT::THERMAL_START, TT::THERMAL_LENGTH, INTERCEPT>( *i_intercept[0], - "ATTR_MSS_MRW_OCMB_POWER_INTERCEPT", + "ATTR_MSS_MRW_OCMB_PWR_INTERCEPT", iv_total_intercept)) ); // To get power intercept @@ -143,10 +143,10 @@ fapi_try_exit: /// -/// @brief Finds a value from ATTR_MSS_MRW_THERMAL_MEMORY_POWER_LIMIT and stores in iv variable -/// @param[in] i_thermal_limits is a vector of the generated values from ATTR_MSS_MRW_THERMAL_POWER_LIMIT +/// @brief Finds a value for the power limit attributes by matching the generated hashes +/// @param[in] i_thermal_limits is a vector of the generated values from MRW power limit attributes /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful -/// @note populates thermal_power_limit. +/// @note populates iv_thermal_power_limit, iv_power_limit /// template<> fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_thermal_power_limit ( @@ -172,7 +172,7 @@ fapi2::ReturnCode decoder<mss::mc_type::EXPLORER>::find_thermal_power_limit ( "ATTR_MSS_MRW_OCMB_THERMAL_MEMORY_POWER_LIMIT", iv_thermal_power_limit)) ); - // To get power intercept + // To get regulator power or current limit FAPI_TRY( (get_power_thermal_value<TT::POWER_LIMIT_START, TT::POWER_LIMIT_LENGTH, POWER_LIMIT>( *i_thermal_limits[1], "ATTR_MSS_MRW_OCMB_CURRENT_CURVE_WITH_LIMIT", @@ -184,19 +184,19 @@ fapi_try_exit: /// -/// @brief find the power curve attributes for each dimm on an MCS target -/// @param[in] i_targets vector of MCS targets on which dimm attrs will be set -/// @param[in] i_slope vector of generated hashes for encoding and values for MSS_MRW_POWER_SLOPE -/// @param[in] i_intercept vector of generated hashes for encoding and values for MSS_MRW_POWER_INTERCEPT -/// @param[in] i_thermal_power_limit vector of generated hashes for encoding and values for MSS_MRW_THERMAL_MEMORY_POWER_LIMIT -/// @param[out] o_vddr_slope the VDDR power curve slope for each dimm -/// @param[out] o_vddr_int the VDDR power curve intercept for each dimm -/// @param[out] o_total_slope the VDDR+VPP power curve slope for each dimm -/// @param[out] o_total_int the VDDR+VPP power curve intercept for each dimm -/// @param[out] o_thermal_power the thermal power limit for the dimm +/// @brief find the power curve attributes for each dimm on an MEM_PORT target +/// @param[in] i_throttle_type specifies whether this is for power or thermal throttling +/// @param[in] i_port vector of MEM_PORT targets on which dimm attrs will be set +/// @param[in] i_slope vector of generated hashes for encoding the values for memory power curve slopes +/// @param[in] i_intercept vector of generated hashes for encoding the values for memory power curve intercepts +/// @param[in] i_thermal_power_limit vector of generated hashes for encoding the values for memory power limits +/// @param[in] i_current_curve_with_limit vector of generated hashes for encoding the values for regulator power curves and limits +/// @param[out] o_slope the power curve slope for each dimm +/// @param[out] o_intercept the power curve intercept for each dimm +/// @param[out] o_limit the power limit for the dimm /// @return FAPI2_RC_SUCCESS iff ok /// @note used to set power curve attributes in calling function -/// @note decodes the attribute "encoding" to get the vddr and vddr/vpp power curves for a dimm +/// @note decodes the attribute "encoding" to get the power curves and power limits for a dimm /// fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, const fapi2::Target<fapi2::TARGET_TYPE_MEM_PORT>& i_port, @@ -217,6 +217,13 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, mss::power_thermal::decoder<> l_decoder(l_kind); fapi2::buffer<uint64_t> l_attr_value; + // DDIMMs mrw slope/intercept/limit attribute values are for whole DDIMM, so divide these by total number of virtual DIMMs + // to get it to a DIMM level. This will get the DIMM count to use in later calculations. + // ISDIMMs use a value of 1 since mrw attribute values are at the DIMM level + uint8_t l_number_dimm_for_attr_value = (l_kind.iv_dimm_type == fapi2::ENUM_ATTR_MEM_EFF_DIMM_TYPE_DDIMM) ? + mss::count_dimm(mss::find_target<fapi2::TARGET_TYPE_OCMB_CHIP>(l_dimm)) : + 1; + FAPI_TRY( l_decoder.generate_encoding(), "%s Error in get_power_attrs", mss::c_str(l_dimm) ); // The first entry into these arrays must be valid @@ -228,7 +235,8 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, FAPI_INF("%s ATTR_MSS_MRW_OCMB_PWR_SLOPE not found or has zero values", mss::c_str(l_dimm)); o_slope[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_SLOPE : TT::TOTAL_SLOPE; + ((i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_SLOPE : TT::TOTAL_SLOPE) / + l_number_dimm_for_attr_value; } else { @@ -237,7 +245,8 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, FAPI_TRY( l_decoder.find_slope(l_slope), "%s Error in get_power_attrs", mss::c_str(l_dimm) ); o_slope[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? l_decoder.iv_vddr_slope : l_decoder.iv_total_slope; + ((i_throttle_type == mss::throttle_type::POWER) ? l_decoder.iv_vddr_slope : l_decoder.iv_total_slope) / + l_number_dimm_for_attr_value; } l_attr_value = i_intercept[0]; @@ -247,7 +256,8 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, FAPI_INF("%s ATTR_MSS_MRW_OCMB_PWR_INTERCEPT not found or has zero values", mss::c_str(l_dimm)); o_intercept[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_INT : TT::TOTAL_INT; + ((i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_INT : TT::TOTAL_INT) / + l_number_dimm_for_attr_value; } else { @@ -256,7 +266,8 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, FAPI_TRY( l_decoder.find_intercept(l_intercept), "%s Error in get_power_attrs", mss::c_str(l_dimm) ); o_intercept[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? l_decoder.iv_vddr_intercept : l_decoder.iv_total_intercept; + ((i_throttle_type == mss::throttle_type::POWER) ? l_decoder.iv_vddr_intercept : l_decoder.iv_total_intercept) / + l_number_dimm_for_attr_value; } l_attr_value = i_thermal_power_limit[0]; @@ -268,7 +279,8 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, // The unit of limit and intercept is cA but limit is dA in mss::throttle_type::POWER // So we need to transfer them to the same unit o_limit[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_LIMIT * DECI_TO_CENTI : TT::THERMAL_LIMIT; + ((i_throttle_type == mss::throttle_type::POWER) ? TT::POWER_LIMIT* DECI_TO_CENTI : TT::THERMAL_LIMIT) / + l_number_dimm_for_attr_value; } else { @@ -279,8 +291,10 @@ fapi2::ReturnCode get_power_attrs (const mss::throttle_type i_throttle_type, // The unit of limit and intercept is cA but limit is dA in mss::throttle_type::POWER // So we need to transfer them to the same unit o_limit[l_dimm_pos] = - (i_throttle_type == mss::throttle_type::POWER) ? l_decoder.iv_power_limit * DECI_TO_CENTI : - l_decoder.iv_thermal_power_limit; + ((i_throttle_type == mss::throttle_type::POWER) ? + l_decoder.iv_power_limit* DECI_TO_CENTI : l_decoder.iv_thermal_power_limit + ) / + l_number_dimm_for_attr_value; } } |
