diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H | 275 |
1 files changed, 3 insertions, 272 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H b/src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H index ac1efcdbe..f26421ea4 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.H @@ -36,222 +36,17 @@ #define _MSS_POWER_DECODER__ #include <fapi2.H> +#include <lib/shared/mss_const.H> #include <lib/dimm/kind.H> #include <generic/memory/lib/utils/count_dimm.H> +#include <generic/memory/lib/utils/power_thermal/gen_decoder.H> + namespace mss { namespace power_thermal { -enum size_of_attrs : size_t -{ - SIZE_OF_POWER_CURVES_ATTRS = 100, - SIZE_OF_THERMAL_ATTR = 10, -}; - -enum default_power -{ - //Values are the worst case defaults for power curves - //They are the default/ catch-all values from the power curve attributes - //Shouldn't be used if system is set up correctly and attributes are available - //This will throttle the DIMMs to ~76% dram data bus utilization - //(using the mrw regulator power limit of 1700 cW and thermal power limit here of 1940 cW). - VDDR_SLOPE = 0x41A, - VDDR_INT = 0x384, - TOTAL_SLOPE = 0x44C, - TOTAL_INT = 0x44C, - THERMAL_LIMIT = 0x794, -}; - -//Currently needs to be in sorted order for lookup to work -static const std::vector< std::pair<uint32_t , uint8_t> > DIMM_SIZE_MAP = -{ - {4, 0b0000}, - {8, 0b0001}, - {16, 0b0010}, - {32, 0b0011}, - {64, 0b0100}, - {128, 0b0101}, - {256, 0b0110}, - {512, 0b0111}, -}; - -static const std::vector< std::pair<uint8_t , uint8_t> > DIMM_TYPE_MAP = -{ - {fapi2::ENUM_ATTR_EFF_DIMM_TYPE_RDIMM, 0b00}, - {fapi2::ENUM_ATTR_EFF_DIMM_TYPE_UDIMM, 0b01}, - {fapi2::ENUM_ATTR_EFF_DIMM_TYPE_LRDIMM, 0b10}, -}; - -static const std::vector< std::pair<uint8_t , uint8_t> > DRAM_GEN_MAP = -{ - {fapi2::ENUM_ATTR_EFF_DRAM_GEN_EMPTY, 0b00}, - {fapi2::ENUM_ATTR_EFF_DRAM_GEN_DDR3, 0b01}, - {fapi2::ENUM_ATTR_EFF_DRAM_GEN_DDR4, 0b10} -}; - -static const std::vector <std::pair<uint8_t, uint8_t> > DRAM_WIDTH_MAP = -{ - {fapi2::ENUM_ATTR_EFF_DRAM_WIDTH_X4, 0b000}, - {fapi2::ENUM_ATTR_EFF_DRAM_WIDTH_X8, 0b001}, - {fapi2::ENUM_ATTR_EFF_DRAM_WIDTH_X16, 0b010}, - {fapi2::ENUM_ATTR_EFF_DRAM_WIDTH_X32, 0b011} -}; - -static const std::vector< std::pair<uint8_t , uint8_t> > DRAM_DENSITY_MAP = -{ - {4, 0b000}, - {8, 0b001}, - {16, 0b010}, - {32, 0b011}, - {64, 0b100}, -}; - -static const std::vector <std::pair<uint8_t, uint8_t> > DRAM_STACK_TYPE_MAP = -{ - {fapi2::ENUM_ATTR_EFF_PRIM_STACK_TYPE_SDP, 0b00}, - {fapi2::ENUM_ATTR_EFF_PRIM_STACK_TYPE_DDP_QDP, 0b01}, - {fapi2::ENUM_ATTR_EFF_PRIM_STACK_TYPE_3DS, 0b10} -}; - -//Note, the first entries of the pairs need to be in sorted order!! -static const std::vector <std::pair<uint16_t, uint8_t> > DRAM_MFGID_MAP = -{ - //Kingston - {0x0198, 0b011}, - //A-data - {0x04CB, 0b101}, - //Micron - {0x802C, 0b000}, - //HYNIX - {0x80AD, 0b001}, - //SAMSUNG - {0x80CE, 0b010}, - //Innodisk - {0x86F1, 0b100}, -}; - -static const std::vector < std::pair< uint8_t, uint8_t> > DIMMS_PORT_MAP = -{ - //Num dimms per MCA, only 1 or 2 possible options. 0 is no-op - {1, 0b00}, - {2, 0b01} -}; - -//Bit positions for different section of the attribute -//first 32 bits are the encoding, second are for values -enum DECODE_BUFFER_POS -{ - ENCODING_START = 0, - ENCODING_LENGTH = 32, - VDDR_START = 32, - VDDR_LENGTH = 16, - TOTAL_START = 48, - TOTAL_LENGTH = 16, - THERMAL_POWER_START = 32, - THERMAL_POWER_LENGTH = 32, -}; - -//Positions and lengths of the encodings -enum ATTR_DECODE_INFO -{ - DIMM_SIZE_START = 0, - DIMM_SIZE_LEN = 4, - - DRAM_GEN_START = 4, - DRAM_GEN_LEN = 2, - - DIMM_TYPE_START = 6, - DIMM_TYPE_LEN = 2, - - DRAM_WIDTH_START = 8, - DRAM_WIDTH_LEN = 3, - - DRAM_DENSITY_START = 11, - DRAM_DENSITY_LEN = 3, - - DRAM_STACK_TYPE_START = 14, - DRAM_STACK_TYPE_LEN = 2, - - DRAM_MFGID_START = 16, - DRAM_MFGID_LEN = 3, - - DIMMS_PER_PORT_START = 19, - DIMMS_PER_PORT_LEN = 2, -}; - -/// -/// @class decoder -/// @brief Decodes the power curve and thermal power limit attributes for eff_config_thermal -/// -class decoder -{ - public: - - //IVs for all of the attributes per MCS - const mss::dimm::kind iv_kind; - - //Left in here rather than calculating during encode for testing - uint8_t iv_dimms_per_port; - - //Power thermal attributes, both total and vddr versions will be used in eff_config_thermal - uint16_t iv_vddr_slope; - uint16_t iv_vddr_intercept; - uint16_t iv_total_slope; - uint16_t iv_total_intercept; - - uint32_t iv_thermal_power_limit; - //Generated key, used to decode all three power curve attributes - fapi2::buffer<uint32_t> iv_gen_key; - - /// - /// @brief Constructor - /// @param[in] dimm::kind to call power thermal stuff on - /// - decoder( mss::dimm::kind& i_kind): - iv_kind(i_kind) - { - iv_dimms_per_port = mss::count_dimm (find_target<fapi2::TARGET_TYPE_MCA>(iv_kind.iv_target)); - }; - - // - // @brief Default destructor - // - ~decoder() = default; - - /// - /// @brief generates the 32 bit encoding for the power curve attributes - /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful - /// @note populates iv_gen_key - /// - fapi2::ReturnCode generate_encoding (); - - /// - /// @brief Finds a value for the power curve slope attributes by matching the generated hashes - /// @param[in] i_array is a vector of the attribute values - /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful - /// @note populates iv_vddr_slope, iv_total_slope - /// - fapi2::ReturnCode find_slope (const std::vector<uint64_t>& i_slope); - - /// - /// @brief Finds a value for power curve intercept attributes by matching the generated hashes - /// @param[in] i_array is a vector of the attribute values - /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful - /// @note populates iv_vddr_intercept, iv_total_intercept - /// - fapi2::ReturnCode find_intercept (const std::vector<uint64_t>& i_intercept); - - /// - /// @brief Finds a value from ATTR_MSS_MRW_THERMAL_MEMORY_POWER_LIMIT and stores in iv variable - /// @param[in] i_array is a vector of the attribute values - /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful - /// @note populates iv_thermal_power_limit - /// - fapi2::ReturnCode find_thermal_power_limit (const std::vector<uint64_t>& i_thermal_limits); - -}; /// /// @brief find the power curve attributes for each dimm on an MCS target @@ -277,70 +72,6 @@ fapi2::ReturnCode get_power_attrs (const fapi2::Target<fapi2::TARGET_TYPE_MCS>& uint16_t o_total_slope [PORTS_PER_MCS][MAX_DIMM_PER_PORT], uint16_t o_total_int [PORTS_PER_MCS][MAX_DIMM_PER_PORT], uint32_t o_thermal_power [PORTS_PER_MCS][MAX_DIMM_PER_PORT]); -/// -/// @brief Encode the attribute into a bit encoding -/// @tparam[in] S *ATTR*_SIZE enum used for fapi2::buffer position -/// @tparam[in] L *ATTR*_LEN enum used for fapi2::buffer position -/// @tparam[in] OT fapi2::buffer of some integral type -/// @tparam[in] T integral type of key -/// @param[in] i_target the DIMM the encoding is for -/// @param[in] i_attr the attribute key being used for the encoding -/// @param[in] i_map a vector of pairs of the ATTR values and encodings for each value, sorted -/// @param[out] o_buf the fapi2::buffer where the encoding is going into -/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff attribute is found in map lookup -/// -template<size_t S, size_t L, typename T, typename OT> -inline fapi2::ReturnCode encode ( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, - const T& i_attr, - const std::vector<std::pair<T, OT> >& i_map, - fapi2::buffer<uint32_t>& o_buf) -{ - //used to hold result from vector pair lookup - OT l_encoding = 0; - - //Failing out if we don't find an encoding. All suported types should be encoded above - FAPI_ASSERT( mss::find_value_from_key (i_map, i_attr, l_encoding), - fapi2::MSS_POWER_THERMAL_ENCODE_ERROR() - .set_ATTR(i_attr) - .set_DIMM_TARGET(i_target), - "Couldn't find encoding for power thermal encode for value: %x target: %s", i_attr, mss::c_str(i_target)); - o_buf.insertFromRight<S, L>(l_encoding); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decode the attribute into a bit encoding -/// @tparam[in] S DRAM_GEN_SIZE enum used for fapi2::buffer position -/// @tparam[in] L DRAM_GEN_LEN enum used for fapi2::buffer position -/// @tparam[in] OT fapi2::buffer of some integral type -/// @tparam[in] T integral type of key -/// @param[in] i_target the DIMM the encoding is for -/// @param[in] i_map a vector of pairs of the ATTR values and encodings for each value -/// @param[in] i_buf the fapi2::buffer that has the encoding to parse -/// @param[out] o_attr the attribute value from the encoding is going -/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff attribute is found in map lookup -/// -template<size_t S, size_t L, typename T, typename OT> -inline fapi2::ReturnCode decode ( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, - const std::vector<std::pair<T, OT> >& i_map, - fapi2::buffer<uint32_t>& i_buf, - T& o_attr ) -{ - //used to hold result from vector pair lookup - OT l_encoding = 0; - i_buf.extractToRight<S, L>(l_encoding); - - //Failing out if we don't find an decoding. All suported types should be encoded above - FAPI_ASSERT( mss::find_key_from_value (i_map, l_encoding, o_attr), - fapi2::MSS_POWER_THERMAL_DECODE_ERROR() - .set_ATTR(l_encoding) - .set_DIMM_TARGET(i_target), - "Couldn't find encoding for power thermal decode for target: %s", mss::c_str(i_target)); -fapi_try_exit: - return fapi2::current_err; -} } // power_thermal } // mss |
