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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_traits.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2019 */
/* [+] 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 p9_mss_utils_to_throttle.H
/// @brief throttle API
///
// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com>
// *HWP HWP Backup: Louis Stermole <stermole@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: FSP:HB
#ifndef _MSS_POWER_THROTTLE_TRAITS_
#define _MSS_POWER_THROTTLE_TRAITS_
#include <fapi2.H>
#include <generic/memory/lib/utils/power_thermal/gen_throttle_traits.H>
namespace mss
{
namespace power_thermal
{
///
/// @class Traits and policy class for throttle code - specialization for the NIMBUS mc type
///
template<>
class throttle_traits<mss::mc_type::NIMBUS>
{
public:
//////////////////////////////////////////////////////////////
// Target types
//////////////////////////////////////////////////////////////
static constexpr fapi2::TargetType MC_TARGET_TYPE = fapi2::TARGET_TYPE_MCS;
static constexpr fapi2::TargetType PORT_TARGET_TYPE = fapi2::TARGET_TYPE_MCA;
// MIN_UTIL is in c%
static const uint64_t MIN_UTIL = 2500;
// IDLE_UTIL is in c%
static const uint64_t IDLE_UTIL = 0;
// Minimum throttle allowed for the port and or slot. If we set to 0, we brick the port
static const uint64_t MIN_THROTTLE = 1;
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,
};
enum
{
PORTS_PER_MC = 2,
DIMMS_PER_PORT = 2,
};
//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,
// Invalid for Nimbus but compile will fail without them
DIMM_MODULE_HEIGHT_START = 0,
DIMM_MODULE_HEIGHT_LEN = 1,
};
// Definition is in chip folder
static const std::vector< std::pair<uint8_t , uint8_t> > DIMM_TYPE_MAP;
};
}//power_thermal
}// mss
#endif
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