extensions/openpower-pels/user_header.cpp - openbmc/phosphor-logging - Gitiles

 /**
  * 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 "user_header.hpp"

 #include "json_utils.hpp"
 #include "pel_types.hpp"
 #include "pel_values.hpp"
 #include "severity.hpp"

 #include <fmt/format.h>

 #include <iostream>
 #include <phosphor-logging/log.hpp>

 namespace openpower
 {
 namespace pels
 {

 namespace pv = openpower::pels::pel_values;
 using namespace phosphor::logging;

 void UserHeader::unflatten(Stream& stream)
 {
     stream >> _header >> _eventSubsystem >> _eventScope >> _eventSeverity >>
         _eventType >> _reserved4Byte1 >> _problemDomain >> _problemVector >>
         _actionFlags >> _states;
 }

 void UserHeader::flatten(Stream& stream) const
 {
     stream << _header << _eventSubsystem << _eventScope << _eventSeverity
            << _eventType << _reserved4Byte1 << _problemDomain << _problemVector
            << _actionFlags << _states;
 }

 UserHeader::UserHeader(const message::Entry& entry,
                        phosphor::logging::Entry::Level severity,
                        const AdditionalData& additionalData,
                        const DataInterfaceBase& dataIface)
 {
     _header.id = static_cast<uint16_t>(SectionID::userHeader);
     _header.size = UserHeader::flattenedSize();
     _header.version = userHeaderVersion;
     _header.subType = 0;
     _header.componentID = static_cast<uint16_t>(ComponentID::phosphorLogging);

     std::optional<uint8_t> subsys;

     // Check for additional data - PEL_SUBSYSTEM
     auto ss = additionalData.getValue("PEL_SUBSYSTEM");
     if (ss)
     {
         auto eventSubsystem = std::stoul(*ss, NULL, 16);
         std::string subsystemString =
             pv::getValue(eventSubsystem, pel_values::subsystemValues);
         if (subsystemString == "invalid")
         {
             log<level::WARNING>(
                 fmt::format(
                     "UH: Invalid SubSystem value in PEL_SUBSYSTEM: {:#X}",
                     eventSubsystem)
                     .c_str());
         }
         else
         {
             subsys = eventSubsystem;
         }
     }
     else
     {
         subsys = entry.subsystem;
     }

     if (subsys)
     {
         _eventSubsystem = *subsys;
     }
     else
     {
         // Gotta use something, how about 'others'.
         log<level::WARNING>(
             "No PEL subystem value supplied for error, using 'others'");
         _eventSubsystem = 0x70;
     }

     _eventScope = entry.eventScope.value_or(
         static_cast<uint8_t>(EventScope::entirePlatform));

     {
         bool mfgSevStatus = false;
         bool mfgActionFlagStatus = false;
         std::optional<uint8_t> sev = std::nullopt;
         uint16_t val = 0;

         // Get the mfg severity & action flags
         if (entry.mfgSeverity || entry.mfgActionFlags)
         {
             if (entry.mfgSeverity)
             {
                 // Find the mf severity possibly dependent on the system type.
                 sev = getSeverity(entry.mfgSeverity.value(), dataIface);
             }

             if (entry.mfgActionFlags)
             {
                 // Find the mfg action flags
                 val = entry.mfgActionFlags.value();
             }

             if (sev || val)
             {
                 bool mfgProp = dataIface.getQuiesceOnError();
                 if (mfgProp)
                 {
                     if (sev)
                     {
                         _eventSeverity = *sev;
                         mfgSevStatus = true;
                     }

                     if (val)
                     {
                         _actionFlags = val;
                         mfgActionFlagStatus = true;
                     }
                 }
             }
         }

         if (!mfgSevStatus)
         {
             // Get the severity from the registry if it's there, otherwise get
             // it from the OpenBMC event log severity value.
             if (!entry.severity)
             {
                 _eventSeverity = convertOBMCSeverityToPEL(severity);
             }
             else
             {
                 // Find the severity possibly dependent on the system type.
                 auto sev = getSeverity(entry.severity.value(), dataIface);
                 if (sev)
                 {
                     _eventSeverity = *sev;
                 }
                 else
                 {
                     // Either someone  screwed up the message registry
                     // or getSystemNames failed.
                     std::string types;
                     log<level::ERR>(
                         "Failed finding the severity in the message registry",
                         phosphor::logging::entry("ERROR=%s",
                                                  entry.name.c_str()));

                     // Have to choose something, just use informational.
                     _eventSeverity = 0;
                 }
             }
         }

         // Convert Critical error (0x50) to Critical Error-System Termination
         // (0x51), if the AdditionalData is set to SYSTEM_TERM
         auto sevLevel = additionalData.getValue("SEVERITY_DETAIL");
         if ((_eventSeverity & 0xF0) == 0x50)
         {
             if (sevLevel.value_or("") == "SYSTEM_TERM")
             {
                 // Change to Critical Error, System Termination
                 _eventSeverity = 0x51;
             }
         }

         if (entry.eventType)
         {
             _eventType = *entry.eventType;
         }
         else
         {
             // There are different default event types for info errors
             // vs non info ones.
             auto sevType = static_cast<SeverityType>(_eventSeverity & 0xF0);
             _eventType =
                 (sevType == SeverityType::nonError)
                     ? static_cast<uint8_t>(EventType::miscInformational)
                     : static_cast<uint8_t>(EventType::notApplicable);
         }

         _reserved4Byte1 = 0;

         // No uses for problem domain or vector
         _problemDomain = 0;
         _problemVector = 0;

         // These will be set in pel_rules::check() if they're still
         // at the default value.
         if (!mfgActionFlagStatus)
         {
             _actionFlags = entry.actionFlags.value_or(actionFlagsDefault);
         }

         _states = 0;

         _valid = true;
     }
 }

 UserHeader::UserHeader(Stream& pel)
 {
     try
     {
         unflatten(pel);
         validate();
     }
     catch (const std::exception& e)
     {
         log<level::ERR>("Cannot unflatten user header",
                         entry("ERROR=%s", e.what()));
         _valid = false;
     }
 }

 void UserHeader::validate()
 {
     bool failed = false;
     if (header().id != static_cast<uint16_t>(SectionID::userHeader))
     {
         log<level::ERR>("Invalid user header section ID",
                         entry("ID=0x%X", header().id));
         failed = true;
     }

     if (header().version != userHeaderVersion)
     {
         log<level::ERR>("Invalid user header version",
                         entry("VERSION=0x%X", header().version));
         failed = true;
     }

     _valid = (failed) ? false : true;
 }

 std::optional<std::string> UserHeader::getJSON() const
 {
     std::string severity;
     std::string subsystem;
     std::string eventScope;
     std::string eventType;
     std::vector<std::string> actionFlags;
     severity = pv::getValue(_eventSeverity, pel_values::severityValues);
     subsystem = pv::getValue(_eventSubsystem, pel_values::subsystemValues);
     eventScope = pv::getValue(_eventScope, pel_values::eventScopeValues);
     eventType = pv::getValue(_eventType, pel_values::eventTypeValues);
     actionFlags =
         pv::getValuesBitwise(_actionFlags, pel_values::actionFlagsValues);

     std::string hostState{"Invalid"};
     std::string hmcState{"Invalid"};
     auto iter = pv::transmissionStates.find(
         static_cast<TransmissionState>(hostTransmissionState()));
     if (iter != pv::transmissionStates.end())
     {
         hostState = iter->second;
     }
     auto iter1 = pv::transmissionStates.find(
         static_cast<TransmissionState>(hmcTransmissionState()));
     if (iter1 != pv::transmissionStates.end())
     {
         hmcState = iter1->second;
     }

     std::string uh;
     jsonInsert(uh, pv::sectionVer, getNumberString("%d", userHeaderVersion), 1);
     jsonInsert(uh, pv::subSection, getNumberString("%d", _header.subType), 1);
     jsonInsert(uh, "Log Committed by",
                getNumberString("0x%X", _header.componentID), 1);
     jsonInsert(uh, "Subsystem", subsystem, 1);
     jsonInsert(uh, "Event Scope", eventScope, 1);
     jsonInsert(uh, "Event Severity", severity, 1);
     jsonInsert(uh, "Event Type", eventType, 1);
     jsonInsertArray(uh, "Action Flags", actionFlags, 1);
     jsonInsert(uh, "Host Transmission", hostState, 1);
     jsonInsert(uh, "HMC Transmission", hmcState, 1);
     uh.erase(uh.size() - 2);
     return uh;
 }

 std::optional<uint8_t> UserHeader::getSeverity(
     const std::vector<message::RegistrySeverity>& severities,
     const DataInterfaceBase& dataIface) const
 {
     const uint8_t* s = nullptr;
     std::vector<std::string> systemNames;

     // getSystemNames makes D-Bus calls, so only call it if we
     // know we'll need it because there is a system name in the sev list
     if (std::any_of(severities.begin(), severities.end(),
                     [](const auto& sev) { return !sev.system.empty(); }))
     {
         try
         {
             systemNames = dataIface.getSystemNames();
         }
         catch (const std::exception& e)
         {
             log<level::ERR>("Failed trying to look up system names on D-Bus",
                             entry("ERROR=%s", e.what()));
             return std::nullopt;
         }
     }

     // Find the severity to use for this system type, or use the default
     // entry (where no system type is specified).
     for (const auto& sev : severities)
     {
         if (std::find(systemNames.begin(), systemNames.end(), sev.system) !=
             systemNames.end())
         {
             s = &sev.severity;
             break;
         }
         else if (sev.system.empty())
         {
             s = &sev.severity;
         }
     }

     if (s)
     {
         return *s;
     }

     return std::nullopt;
 }

 } // namespace pels
 } // namespace openpower
	/**
	* 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 "user_header.hpp"

	#include "json_utils.hpp"
	#include "pel_types.hpp"
	#include "pel_values.hpp"
	#include "severity.hpp"

	#include <fmt/format.h>

	#include <iostream>
	#include <phosphor-logging/log.hpp>

	namespace openpower
	{
	namespace pels
	{

	namespace pv = openpower::pels::pel_values;
	using namespace phosphor::logging;

	void UserHeader::unflatten(Stream& stream)
	{
	stream >> _header >> _eventSubsystem >> _eventScope >> _eventSeverity >>
	_eventType >> _reserved4Byte1 >> _problemDomain >> _problemVector >>
	_actionFlags >> _states;
	}

	void UserHeader::flatten(Stream& stream) const
	{
	stream << _header << _eventSubsystem << _eventScope << _eventSeverity
	<< _eventType << _reserved4Byte1 << _problemDomain << _problemVector
	<< _actionFlags << _states;
	}

	UserHeader::UserHeader(const message::Entry& entry,
	phosphor::logging::Entry::Level severity,
	const AdditionalData& additionalData,
	const DataInterfaceBase& dataIface)
	{
	_header.id = static_cast<uint16_t>(SectionID::userHeader);
	_header.size = UserHeader::flattenedSize();
	_header.version = userHeaderVersion;
	_header.subType = 0;
	_header.componentID = static_cast<uint16_t>(ComponentID::phosphorLogging);

	std::optional<uint8_t> subsys;

	// Check for additional data - PEL_SUBSYSTEM
	auto ss = additionalData.getValue("PEL_SUBSYSTEM");
	if (ss)
	{
	auto eventSubsystem = std::stoul(*ss, NULL, 16);
	std::string subsystemString =
	pv::getValue(eventSubsystem, pel_values::subsystemValues);
	if (subsystemString == "invalid")
	{
	log<level::WARNING>(
	fmt::format(
	"UH: Invalid SubSystem value in PEL_SUBSYSTEM: {:#X}",
	eventSubsystem)
	.c_str());
	}
	else
	{
	subsys = eventSubsystem;
	}
	}
	else
	{
	subsys = entry.subsystem;
	}

	if (subsys)
	{
	_eventSubsystem = *subsys;
	}
	else
	{
	// Gotta use something, how about 'others'.
	log<level::WARNING>(
	"No PEL subystem value supplied for error, using 'others'");
	_eventSubsystem = 0x70;
	}

	_eventScope = entry.eventScope.value_or(
	static_cast<uint8_t>(EventScope::entirePlatform));

	{
	bool mfgSevStatus = false;
	bool mfgActionFlagStatus = false;
	std::optional<uint8_t> sev = std::nullopt;
	uint16_t val = 0;

	// Get the mfg severity & action flags
	if (entry.mfgSeverity \|\| entry.mfgActionFlags)
	{
	if (entry.mfgSeverity)
	{
	// Find the mf severity possibly dependent on the system type.
	sev = getSeverity(entry.mfgSeverity.value(), dataIface);
	}

	if (entry.mfgActionFlags)
	{
	// Find the mfg action flags
	val = entry.mfgActionFlags.value();
	}

	if (sev \|\| val)
	{
	bool mfgProp = dataIface.getQuiesceOnError();
	if (mfgProp)
	{
	if (sev)
	{
	_eventSeverity = *sev;
	mfgSevStatus = true;
	}

	if (val)
	{
	_actionFlags = val;
	mfgActionFlagStatus = true;
	}
	}
	}
	}

	if (!mfgSevStatus)
	{
	// Get the severity from the registry if it's there, otherwise get
	// it from the OpenBMC event log severity value.
	if (!entry.severity)
	{
	_eventSeverity = convertOBMCSeverityToPEL(severity);
	}
	else
	{
	// Find the severity possibly dependent on the system type.
	auto sev = getSeverity(entry.severity.value(), dataIface);
	if (sev)
	{
	_eventSeverity = *sev;
	}
	else
	{
	// Either someone screwed up the message registry
	// or getSystemNames failed.
	std::string types;
	log<level::ERR>(
	"Failed finding the severity in the message registry",
	phosphor::logging::entry("ERROR=%s",
	entry.name.c_str()));

	// Have to choose something, just use informational.
	_eventSeverity = 0;
	}
	}
	}

	// Convert Critical error (0x50) to Critical Error-System Termination
	// (0x51), if the AdditionalData is set to SYSTEM_TERM
	auto sevLevel = additionalData.getValue("SEVERITY_DETAIL");
	if ((_eventSeverity & 0xF0) == 0x50)
	{
	if (sevLevel.value_or("") == "SYSTEM_TERM")
	{
	// Change to Critical Error, System Termination
	_eventSeverity = 0x51;
	}
	}

	if (entry.eventType)
	{
	_eventType = *entry.eventType;
	}
	else
	{
	// There are different default event types for info errors
	// vs non info ones.
	auto sevType = static_cast<SeverityType>(_eventSeverity & 0xF0);
	_eventType =
	(sevType == SeverityType::nonError)
	? static_cast<uint8_t>(EventType::miscInformational)
	: static_cast<uint8_t>(EventType::notApplicable);
	}

	_reserved4Byte1 = 0;

	// No uses for problem domain or vector
	_problemDomain = 0;
	_problemVector = 0;

	// These will be set in pel_rules::check() if they're still
	// at the default value.
	if (!mfgActionFlagStatus)
	{
	_actionFlags = entry.actionFlags.value_or(actionFlagsDefault);
	}

	_states = 0;

	_valid = true;
	}
	}

	UserHeader::UserHeader(Stream& pel)
	{
	try
	{
	unflatten(pel);
	validate();
	}
	catch (const std::exception& e)
	{
	log<level::ERR>("Cannot unflatten user header",
	entry("ERROR=%s", e.what()));
	_valid = false;
	}
	}

	void UserHeader::validate()
	{
	bool failed = false;
	if (header().id != static_cast<uint16_t>(SectionID::userHeader))
	{
	log<level::ERR>("Invalid user header section ID",
	entry("ID=0x%X", header().id));
	failed = true;
	}

	if (header().version != userHeaderVersion)
	{
	log<level::ERR>("Invalid user header version",
	entry("VERSION=0x%X", header().version));
	failed = true;
	}

	_valid = (failed) ? false : true;
	}

	std::optional<std::string> UserHeader::getJSON() const
	{
	std::string severity;
	std::string subsystem;
	std::string eventScope;
	std::string eventType;
	std::vector<std::string> actionFlags;
	severity = pv::getValue(_eventSeverity, pel_values::severityValues);
	subsystem = pv::getValue(_eventSubsystem, pel_values::subsystemValues);
	eventScope = pv::getValue(_eventScope, pel_values::eventScopeValues);
	eventType = pv::getValue(_eventType, pel_values::eventTypeValues);
	actionFlags =
	pv::getValuesBitwise(_actionFlags, pel_values::actionFlagsValues);

	std::string hostState{"Invalid"};
	std::string hmcState{"Invalid"};
	auto iter = pv::transmissionStates.find(
	static_cast<TransmissionState>(hostTransmissionState()));
	if (iter != pv::transmissionStates.end())
	{
	hostState = iter->second;
	}
	auto iter1 = pv::transmissionStates.find(
	static_cast<TransmissionState>(hmcTransmissionState()));
	if (iter1 != pv::transmissionStates.end())
	{
	hmcState = iter1->second;
	}

	std::string uh;
	jsonInsert(uh, pv::sectionVer, getNumberString("%d", userHeaderVersion), 1);
	jsonInsert(uh, pv::subSection, getNumberString("%d", _header.subType), 1);
	jsonInsert(uh, "Log Committed by",
	getNumberString("0x%X", _header.componentID), 1);
	jsonInsert(uh, "Subsystem", subsystem, 1);
	jsonInsert(uh, "Event Scope", eventScope, 1);
	jsonInsert(uh, "Event Severity", severity, 1);
	jsonInsert(uh, "Event Type", eventType, 1);
	jsonInsertArray(uh, "Action Flags", actionFlags, 1);
	jsonInsert(uh, "Host Transmission", hostState, 1);
	jsonInsert(uh, "HMC Transmission", hmcState, 1);
	uh.erase(uh.size() - 2);
	return uh;
	}

	std::optional<uint8_t> UserHeader::getSeverity(
	const std::vector<message::RegistrySeverity>& severities,
	const DataInterfaceBase& dataIface) const
	{
	const uint8_t* s = nullptr;
	std::vector<std::string> systemNames;

	// getSystemNames makes D-Bus calls, so only call it if we
	// know we'll need it because there is a system name in the sev list
	if (std::any_of(severities.begin(), severities.end(),
	[](const auto& sev) { return !sev.system.empty(); }))
	{
	try
	{
	systemNames = dataIface.getSystemNames();
	}
	catch (const std::exception& e)
	{
	log<level::ERR>("Failed trying to look up system names on D-Bus",
	entry("ERROR=%s", e.what()));
	return std::nullopt;
	}
	}

	// Find the severity to use for this system type, or use the default
	// entry (where no system type is specified).
	for (const auto& sev : severities)
	{
	if (std::find(systemNames.begin(), systemNames.end(), sev.system) !=
	systemNames.end())
	{
	s = &sev.severity;
	break;
	}
	else if (sev.system.empty())
	{
	s = &sev.severity;
	}
	}

	if (s)
	{
	return *s;
	}

	return std::nullopt;
	}

	} // namespace pels
	} // namespace openpower