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/**
* Copyright © 2019 IBM Corporation
*
* 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.
*/
#include "extended_user_header.hpp"
#include "pel_types.hpp"
#include <phosphor-logging/log.hpp>
namespace openpower
{
namespace pels
{
using namespace phosphor::logging;
const size_t defaultSymptomIDWord = 3;
const size_t symptomIDMaxSize = 80;
ExtendedUserHeader::ExtendedUserHeader(Stream& pel)
{
try
{
unflatten(pel);
validate();
}
catch (const std::exception& e)
{
log<level::ERR>("Cannot unflatten extended user header",
entry("ERROR=%s", e.what()));
_valid = false;
}
}
ExtendedUserHeader::ExtendedUserHeader(const DataInterfaceBase& dataIface,
const message::Entry& regEntry,
const SRC& src) :
_mtms(dataIface.getMachineTypeModel(), dataIface.getMachineSerialNumber())
{
_header.id = static_cast<uint16_t>(SectionID::extendedUserHeader);
_header.version = extendedUserHeaderVersion;
_header.subType = 0;
_header.componentID = static_cast<uint16_t>(ComponentID::phosphorLogging);
memset(_serverFWVersion.data(), 0, _serverFWVersion.size());
auto version = dataIface.getServerFWVersion();
// The last byte must always be the NULL terminator
for (size_t i = 0; i < version.size() && i < firmwareVersionSize - 1; i++)
{
_serverFWVersion[i] = version[i];
}
memset(_subsystemFWVersion.data(), 0, _subsystemFWVersion.size());
version = dataIface.getBMCFWVersion();
// The last byte must always be the NULL terminator
for (size_t i = 0; i < version.size() && i < firmwareVersionSize - 1; i++)
{
_subsystemFWVersion[i] = version[i];
}
createSymptomID(regEntry, src);
_header.size = flattenedSize();
_valid = true;
}
void ExtendedUserHeader::flatten(Stream& pel) const
{
pel << _header << _mtms;
pel.write(_serverFWVersion.data(), _serverFWVersion.size());
pel.write(_subsystemFWVersion.data(), _subsystemFWVersion.size());
pel << _reserved4B << _refTime << _reserved1B1 << _reserved1B2
<< _reserved1B3 << _symptomIDSize << _symptomID;
}
void ExtendedUserHeader::unflatten(Stream& pel)
{
pel >> _header >> _mtms;
pel.read(_serverFWVersion.data(), _serverFWVersion.size());
pel.read(_subsystemFWVersion.data(), _subsystemFWVersion.size());
pel >> _reserved4B >> _refTime >> _reserved1B1 >> _reserved1B2 >>
_reserved1B3 >> _symptomIDSize;
_symptomID.resize(_symptomIDSize);
pel >> _symptomID;
}
void ExtendedUserHeader::validate()
{
bool failed = false;
if (header().id != static_cast<uint16_t>(SectionID::extendedUserHeader))
{
log<level::ERR>("Invalid failing Extended User Header section ID",
entry("ID=0x%X", header().id));
failed = true;
}
if (header().version != extendedUserHeaderVersion)
{
log<level::ERR>("Invalid Extended User Header version",
entry("VERSION=0x%X", header().version));
failed = true;
}
_valid = (failed) ? false : true;
}
void ExtendedUserHeader::createSymptomID(const message::Entry& regEntry,
const SRC& src)
{
// Contains the first 8 characters of the ASCII string plus additional
// words from the SRC, separated by underscores. The message registry
// says which words to use, though that's optional and if not present
// then use a default word.
std::vector<size_t> idWords;
if (regEntry.src.symptomID)
{
idWords = regEntry.src.symptomID.value();
}
else
{
idWords.push_back(defaultSymptomIDWord);
}
auto symptomID = src.asciiString().substr(0, 8);
const auto& hexWords = src.hexwordData();
for (auto wordNum : idWords)
{
symptomID.push_back('_');
// Get the hexword array index for this SRC word
auto index = src.getWordIndexFromWordNum(wordNum);
// Convert to ASCII
char word[20];
sprintf(word, "%08X", hexWords[index]);
symptomID += word;
}
std::copy(symptomID.begin(), symptomID.end(),
std::back_inserter(_symptomID));
// Max total size is 80, including the upcoming NULL
if (_symptomID.size() > (symptomIDMaxSize - 1))
{
_symptomID.resize(symptomIDMaxSize - 1);
}
// NULL terminated
_symptomID.push_back(0);
// PAD with NULLs to a 4 byte boundary
while ((_symptomID.size() % 4) != 0)
{
_symptomID.push_back(0);
}
_symptomIDSize = _symptomID.size();
}
} // namespace pels
} // namespace openpower
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