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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hdat/hdatcommonutil.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017,2019 */
/* [+] 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 */
#include <ctype.h>
#include "hdattpmdata.H"
#include <util/align.H>
#include <algorithm>
#include <targeting/common/util.H>
#include <targeting/common/target.H>
#include <targeting/common/targetservice.H>
#include <securerom/ROM.H>
namespace HDAT
{
trace_desc_t *g_trac_hdat = nullptr;
TRAC_INIT(&g_trac_hdat,HDAT_COMP_NAME,4096);
/** @brief Structure id for an HDIF structure*/
const uint16_t HDAT_HDIF_STRUCT_ID = 0xD1F0;
/** @brief Align value for HDAT instances */
const uint8_t HDAT_HDIF_ALIGN = 128;
const char g_hdatTpmDataEyeCatch[] = "TPMREL";
uint16_t hdatCalcMaxTpmsPerNode()
{
size_t l_maxTpms = 0;
// calculate max # of TPMs per node
// look for class ENC type NODE and class chip TPM to find TPMs
TARGETING::TargetHandleList l_nodeEncList;
getEncResources(l_nodeEncList, TARGETING::TYPE_NODE,
TARGETING::UTIL_FILTER_ALL);
// loop thru the nodes and check number of TPMs
std::for_each(l_nodeEncList.begin(), l_nodeEncList.end(),
[&l_maxTpms](const TARGETING::Target* const i_pNode)
{
// for this Node, get a list of tpms
TARGETING::TargetHandleList l_tpmChipList;
getChildAffinityTargets ( l_tpmChipList, i_pNode,
TARGETING::CLASS_CHIP, TARGETING::TYPE_TPM, false );
l_maxTpms = std::max(l_maxTpms, l_tpmChipList.size());
} );
return l_maxTpms;
}
uint32_t hdatTpmDataCalcInstanceSize()
{
uint32_t l_size = 0;
// account for the size of the TPM data header
l_size += sizeof(hdatTpmData_t);
// account for the size of the TPM Info array header
l_size += sizeof(hdatHDIFDataArray_t);
// account for each element of the TPM Info array
l_size += ((sizeof(hdatSbTpmInstInfo_t) +
TPM_SRTM_EVENT_LOG_MAX +
TPM_DRTM_EVENT_LOG_MAX)
* hdatCalcMaxTpmsPerNode());
// account for User physical interaction mechanism info struct
// and Host I2C device information pointers
l_size += sizeof(hdatPhysInterMechInfo_t);
// account for the size of the Hash and Verfication Function array header
l_size += sizeof(hdatHDIFDataArray_t);
// account for each element of the Hash and Verfication Function array
l_size += sizeof(hdatHashVerifyFunc_t) * SecRomFuncTypes.size();
// Align size value to match actual allocated size, because we also want to
// zero the padded part, and thus simplify multinode support going forward.
l_size = ALIGN_X(l_size, HDAT_HDIF_ALIGN);
return l_size;
}
}
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