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| author | Andre Marin <aamarin@us.ibm.com> | 2016-03-15 18:32:40 -0500 |
|---|---|---|
| committer | Christian R. Geddes <crgeddes@us.ibm.com> | 2016-10-25 14:26:59 -0400 |
| commit | b6fdb223c2d667b87b0a47be26afe56100433097 (patch) | |
| tree | 6752f9d6e447221e8da1b929638b6e56b5ca5054 | |
| parent | 02c1e4c150f49da6363bc237fbfe07bd88b28ff2 (diff) | |
| download | talos-hostboot-b6fdb223c2d667b87b0a47be26afe56100433097.tar.gz talos-hostboot-b6fdb223c2d667b87b0a47be26afe56100433097.zip | |
Add mss throttle files L1
Change-Id: Icb9acc3387a50c0ec9aee09a7b2d40b2901cddb4
Original-Change-Id: I4a8a83151b3287a38235db11cd298900119aed35
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22149
Tested-by: Jenkins Server
Tested-by: Hostboot CI
Reviewed-by: Brian R. Silver <bsilver@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/31794
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/p9_mss_utils_to_throttle.C | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/p9_mss_utils_to_throttle.C b/src/import/chips/p9/procedures/hwp/memory/p9_mss_utils_to_throttle.C new file mode 100644 index 000000000..bca9c1bc1 --- /dev/null +++ b/src/import/chips/p9/procedures/hwp/memory/p9_mss_utils_to_throttle.C @@ -0,0 +1,81 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/import/chips/p9/procedures/hwp/memory/p9_mss_utils_to_throttle.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015,2016 */ +/* [+] 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 p9_mss_utils_to_throttle.C +/// @brief Set the N throttle attributes for a given dram data bus utilization. +/// +// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com> +// *HWP HWP Backup: Brian Silver <bsilver@us.ibm.com> +// *HWP Team: Memory +// *HWP Level: 1 +// *HWP Consumed by: FSP:HB + +#include <fapi2.H> +#include <mss.H> +#include <p9_mss_utils_to_throttle.H> + +using fapi2::TARGET_TYPE_MCS; +using fapi2::TARGET_TYPE_MCA; +using fapi2::TARGET_TYPE_DIMM; + +extern "C" +{ + +/// +/// @brief Sets number commands allowed within a given data bus utilization. +/// @param[in] i_target the controller target +/// @return FAPI2_RC_SUCCESS iff ok +/// + fapi2::ReturnCode p9_mss_utils_to_throttle( const fapi2::Target<TARGET_TYPE_MCS>& i_target ) + { + uint8_t l_databus_util[mss::PORTS_PER_MCS][mss::MAX_DIMM_PER_PORT] = {0}; + uint32_t l_dram_clocks[mss::PORTS_PER_MCS][mss::MAX_DIMM_PER_PORT] = {0}; + uint32_t l_num_commands_allowed[mss::PORTS_PER_MCS][mss::MAX_DIMM_PER_PORT] = 0; + + FAPI_TRY( mss::databus_util(i_target, &l_databus_util[0][0]) ); + FAPI_TRY( mss::mrw_mem_m_dram_clocks(fapi2::Target<TARGET_TYPE_SYSTEM>(), &l_dram_clocks[0][0]) ); + + for( const auto& l_mca : i_target.getChildren<TARGET_TYPE_MCA>() ) + { + l_port_num = mss::index(l_mca); + + for( const auto& l_dimm : i_target.getChildren<TARGET_TYPE_DIMM>() ) + { + l_dimm_num = mss::index(l_dimm); + + l_num_commands_allowed = mss::commands_allowed_over_clock_window(l_databus_util[l_port_num][l_dimm_num], + l_dram_clocks[l_port_num][l_dimm_num]); + } + } + + FAPI_ATTR_SET(fapi2::ATTR_MSS_THROTTLED_N_COMMANDS, i_target, l_num_commands_allowed) + + FAPI_INF("End utils_to_throttle"); + fapi_try_exit: + return fapi2::current_err; + } + +}// extern C |
