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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/throttle.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 eff_config.C
/// @brief Determine effective config for mss settings
///
// *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>
// mss lib
#include <lib/power_thermal/throttle.H>
#include <mss.H>
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_MCS;
using fapi2::TARGET_TYPE_DIMM;
using fapi2::TARGET_TYPE_MCBIST;
namespace mss
{
///
/// @brief Set ATTR_MSS_CHANNEL_PAIR_MAXPOWER, ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_SLOT and _PER_PORT
/// @param[in] Vector of MCS's on the same VDDR domain
/// @return fapi2::ReturnCode - FAPI2_RC_SUCCESS iff get is OK
/// @note Called in p9_mss_bulk_pwr_throttles
/// @note determines the throttle levels based off of the port's power curve,
/// @note the _per_slot throttles are set to the _per_port values
/// @note throttles are all equalized and set to the worst case value
///
fapi2::ReturnCode bulk_power_regulator_throttles (const std::vector<fapi2::Target<TARGET_TYPE_MCS>>& i_targets)
{
for (const auto& l_mcs : i_targets)
{
uint32_t l_databus_util_max = 0;
uint8_t l_power_uplift = 0;
uint8_t l_power_uplift_idle = 0;
uint32_t l_dimm_power_limit [2][2] = {};
uint32_t l_runtime_n_slot [2] = {};
uint32_t l_m_clocks = 0;
uint32_t l_final_n_slot_array[2] = {};
uint32_t l_port_maxpower[2] = {};
FAPI_TRY( mem_throttled_n_commands_per_slot( l_mcs, &(l_final_n_slot_array[0])) );
FAPI_TRY( port_maxpower ( l_mcs, l_port_maxpower) );
FAPI_TRY( mrw_max_dram_databus_util(l_databus_util_max) );
FAPI_TRY( mrw_dimm_power_curve_percent_uplift( l_power_uplift) );
FAPI_TRY( mrw_dimm_power_curve_percent_uplift_idle( l_power_uplift_idle) );
FAPI_TRY( runtime_mem_throttled_n_commands_per_slot(l_mcs, &(l_runtime_n_slot[0]) ) );
FAPI_TRY( mem_watt_target( l_mcs, &(l_dimm_power_limit[0][0])) );
FAPI_TRY( mrw_mem_m_dram_clocks(l_m_clocks) );
//Temp values until totally implemented
l_port_maxpower[0] = 2088;
l_port_maxpower[1] = 2088;
//same for per port and per slot
//Throttle per slot is set to per port value
l_final_n_slot_array[0] = 115;
l_final_n_slot_array[1] = 115;
FAPI_TRY( FAPI_ATTR_SET( fapi2::ATTR_MSS_PORT_MAXPOWER, l_mcs, l_port_maxpower) );
//Set the throttle for the MCS target
FAPI_TRY( FAPI_ATTR_SET( fapi2::ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_SLOT, l_mcs, l_final_n_slot_array ) );
FAPI_TRY( FAPI_ATTR_SET( fapi2::ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_PORT, l_mcs, l_final_n_slot_array ) );
} // MCS
fapi_try_exit:
FAPI_INF("End power regulator bulk throttles");
return fapi2::current_err;
}
///
/// @brief Set ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_SLOT and PER_PORT
/// @param[in] Vector of MCS's on the same VDDR domain
/// @return fapi2::ReturnCode - FAPI2_RC_SUCCESS iff get is OK
/// @note Called in p9_mss_bulk_pwr_throttles
/// @note Sets the throttle levels based off of the dimm's thermal limits
/// @note both DIMM's on a port are set to the same throttle level
///
fapi2::ReturnCode bulk_thermal_throttles (const std::vector<fapi2::Target<TARGET_TYPE_MCS>>& i_targets)
{
FAPI_INF("End thermal bulk throttles");
return fapi2::FAPI2_RC_SUCCESS;
}
}//namespace mss
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