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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/lib/power_thermal/decoder.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @file decoder.C
/// @brief Decode MSS_MRW_PWR_CURVE_SLOPE, PWR_CURVE_INTERCEPT, and THERMAL_POWER_LIMIT
///
// *HWP HWP Owner: Jacob Harvey <jlharvey@us.ibm.com>
// *HWP HWP Backup: Brian Silver <bsilver@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
// fapi2
#include <fapi2.H>
#include <vector>
#include <utility>
// mss lib
#include <mss.H>
#include <lib/power_thermal/throttle.H>
#include <lib/power_thermal/decoder.H>
#include <lib/utils/find.H>
#include <lib/utils/c_str.H>
#include <lib/utils/count_dimm.H>
#include <lib/dimm/kind.H>
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_MCS;
using fapi2::TARGET_TYPE_DIMM;
using fapi2::TARGET_TYPE_MCBIST;
namespace mss
{
namespace power_thermal
{
///
/// @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_keys
///
fapi2::ReturnCode decoder::generate_encoding()
{
//DIMM_SIZE
FAPI_TRY(( encode<DIMM_SIZE_START, DIMM_SIZE_LEN>
(iv_kind.iv_target, iv_kind.iv_size, DIMM_SIZE_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DIMM_SIZE", iv_kind.iv_size, c_str(iv_kind.iv_target) );
//DRAM_GEN
FAPI_TRY(( encode<DRAM_GEN_START, DRAM_GEN_LEN>
(iv_kind.iv_target, iv_kind.iv_dram_generation, DRAM_GEN_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DRAM_GEN", iv_kind.iv_dram_generation, c_str(iv_kind.iv_target) );
//DIMM_TYPE
FAPI_TRY(( encode<DIMM_TYPE_START, DIMM_TYPE_LEN>
(iv_kind.iv_target, iv_kind.iv_dimm_type, DIMM_TYPE_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DIMM_TYPE", iv_kind.iv_dimm_type, c_str(iv_kind.iv_target) );
//DRAM WIDTH
FAPI_TRY(( encode<DRAM_WIDTH_START, DRAM_WIDTH_LEN>
(iv_kind.iv_target, iv_kind.iv_dram_width, DRAM_WIDTH_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DRAM_WIDTH", iv_kind.iv_dram_width, c_str(iv_kind.iv_target) );
//DRAM DENSITY
FAPI_TRY(( encode<DRAM_DENSITY_START, DRAM_DENSITY_LEN>
(iv_kind.iv_target, iv_kind.iv_dram_density, DRAM_DENSITY_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DRAM_DENSITY", iv_kind.iv_dram_density, c_str(iv_kind.iv_target) );
//DRAM STACK TYPE
FAPI_TRY(( encode<DRAM_STACK_TYPE_START, DRAM_STACK_TYPE_LEN>
(iv_kind.iv_target, iv_kind.iv_stack_type, DRAM_STACK_TYPE_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DRAM_STACK_TYPE", iv_kind.iv_stack_type, c_str(iv_kind.iv_target) );
//DRAM MFG ID
FAPI_TRY(( encode<DRAM_MFGID_START, DRAM_MFGID_LEN>
(iv_kind.iv_target, iv_kind.iv_mfgid, DRAM_MFGID_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DRAM_MFG_ID", iv_kind.iv_mfgid, c_str(iv_kind.iv_target) );
//NUM DROPS PER PORT
FAPI_TRY(( encode<DIMMS_PER_PORT_START, DIMMS_PER_PORT_LEN>
(iv_kind.iv_target, iv_dimms_per_port, DIMMS_PORT_MAP, iv_gen_key)),
"Failed to generate power thermal encoding for %s val %d on target: %s",
"DIMMS_PER_PORT", iv_dimms_per_port, c_str(iv_kind.iv_target) );
fapi_try_exit:
return fapi2::current_err;
}
///
/// @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
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful
/// @note populates iv_vddr_slope, iv_total_slop
///
fapi2::ReturnCode decoder::find_slope (const std::vector<fapi2::buffer<uint64_t>>& i_slope)
{
// Comparator lambda expression
const auto compare = [this](const fapi2::buffer<uint64_t>& i_hash)
{
uint32_t l_temp = 0;
i_hash.extractToRight<ENCODING_START, ENCODING_LENGTH>(l_temp);
return ((l_temp & iv_gen_key) == iv_gen_key);
};
// Find iterator to matching key (if it exists)
const auto l_value_iterator = std::find_if(i_slope.begin(),
i_slope.end(),
compare);
//Should have matched with the all default ATTR at least
//The last value should always be the default value
FAPI_ASSERT(l_value_iterator != i_slope.end(),
fapi2::MSS_NO_POWER_THERMAL_ATTR_FOUND()
.set_GENERATED_KEY(iv_gen_key)
.set_DIMM_TARGET(iv_kind.iv_target),
"Couldn't find %s value for generated key:%016lx, for target %s. "
"DIMM values for generated key are "
"size is %d, gen is %d, type is %d, width is %d, density %d, stack %d, mfgid %d, dimms %d",
"ATTR_MSS_MRW_POWER_CURVE_SLOPE",
iv_gen_key,
mss::c_str(iv_kind.iv_target),
iv_kind.iv_size,
iv_kind.iv_dram_generation,
iv_kind.iv_dimm_type,
iv_kind.iv_dram_width,
iv_kind.iv_dram_density,
iv_kind.iv_stack_type,
iv_kind.iv_mfgid,
iv_dimms_per_port);
(*l_value_iterator).extractToRight<VDDR_START, VDDR_LENGTH>( iv_vddr_slope);
(*l_value_iterator).extractToRight<TOTAL_START, TOTAL_LENGTH>(iv_total_slope);
fapi_try_exit:
return fapi2::current_err;
}
///
/// @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
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful
/// @note populates iv_vddr_intercept, iv_total_intercept
///
fapi2::ReturnCode decoder::find_intercept (const std::vector<fapi2::buffer<uint64_t>>& i_intercept)
{
// Comparator lambda expression
const auto compare = [this](const fapi2::buffer<uint64_t>& i_hash)
{
uint32_t l_temp = 0;
i_hash.extractToRight<ENCODING_START, ENCODING_LENGTH>(l_temp);
return ((l_temp & iv_gen_key) == iv_gen_key);
};
// Find iterator to matching key (if it exists)
const auto l_value_iterator = std::find_if(i_intercept.begin(),
i_intercept.end(),
compare);
//Should have matched with the all default ATTR at least
//The last value should always be the default value
FAPI_ASSERT(l_value_iterator != i_intercept.end(),
fapi2::MSS_NO_POWER_THERMAL_ATTR_FOUND()
.set_GENERATED_KEY(iv_gen_key)
.set_DIMM_TARGET(iv_kind.iv_target),
"Couldn't find %s value for generated key:%016lx, for target %s. "
"DIMM values for generated key are "
"size is %d, gen is %d, type is %d, width is %d, density %d, stack %d, mfgid %d, dimms %d",
"ATTR_MSS_MRW_POWER_CURVE_INTERCEPT",
iv_gen_key,
mss::c_str(iv_kind.iv_target),
iv_kind.iv_size,
iv_kind.iv_dram_generation,
iv_kind.iv_dimm_type,
iv_kind.iv_dram_width,
iv_kind.iv_dram_density,
iv_kind.iv_stack_type,
iv_kind.iv_mfgid,
iv_dimms_per_port);
(*l_value_iterator).extractToRight<VDDR_START, VDDR_LENGTH>( iv_vddr_intercept);
(*l_value_iterator).extractToRight<TOTAL_START, TOTAL_LENGTH>(iv_total_intercept);
fapi_try_exit:
return fapi2::current_err;
}
///
/// @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
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff the encoding was successful
/// @note populates thermal_power_limit
///
fapi2::ReturnCode decoder::find_thermal_power_limit (const std::vector<fapi2::buffer<uint64_t>>& i_thermal_limits)
{
// Comparator lambda expression
const auto compare = [this](const fapi2::buffer<uint64_t>& i_hash)
{
uint32_t l_temp = 0;
i_hash.extractToRight<ENCODING_START, ENCODING_LENGTH>(l_temp);
return ((l_temp & iv_gen_key) == iv_gen_key);
};
// Find iterator to matching key (if it exists)
const auto l_value_iterator = std::find_if(i_thermal_limits.begin(),
i_thermal_limits.end(),
compare);
//Should have matched with the all default ATTR at least
//The last value should always be the default value
FAPI_ASSERT(l_value_iterator != i_thermal_limits.end(),
fapi2::MSS_NO_POWER_THERMAL_ATTR_FOUND()
.set_GENERATED_KEY(iv_gen_key)
.set_DIMM_TARGET(iv_kind.iv_target),
"Couldn't find %s value for generated key:%016lx, for target %s. "
"DIMM values for generated key are "
"size is %d, gen is %d, type is %d, width is %d, density %d, stack %d, mfgid %d, dimms %d",
"ATTR_MSS_MRW_THERMAL_POWER_LIMIT",
iv_gen_key,
mss::c_str(iv_kind.iv_target),
iv_kind.iv_size,
iv_kind.iv_dram_generation,
iv_kind.iv_dimm_type,
iv_kind.iv_dram_width,
iv_kind.iv_dram_density,
iv_kind.iv_stack_type,
iv_kind.iv_mfgid,
iv_dimms_per_port);
(*l_value_iterator).extractToRight<THERMAL_POWER_START, THERMAL_POWER_LENGTH>( iv_thermal_power_limit);
fapi_try_exit:
return fapi2::current_err;
}
} //ns power_thermal
} // ns mss
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