attn/attn_logging.cpp - openbmc/openpower-hw-diags - Gitiles

 #include <unistd.h>

 #include <analyzer/analyzer_main.hpp>
 #include <attn/attn_common.hpp>
 #include <attn/attn_dbus.hpp>
 #include <attn/attn_dump.hpp>
 #include <attn/attn_logging.hpp>
 #include <attn/pel/pel_minimal.hpp>
 #include <nlohmann/json.hpp>
 #include <phosphor-logging/log.hpp>
 #include <util/dbus.hpp>
 #include <util/ffdc.hpp>
 #include <util/trace.hpp>

 #include <fstream>

 namespace attn
 {
 /** @brief Tuple containing information about ffdc files */
 using FFDCTuple =
     std::tuple<util::FFDCFormat, uint8_t, uint8_t, sdbusplus::message::unix_fd>;

 /**
  * Create FFDCTuple objects corresponding to the specified FFDC files.
  *
  * The D-Bus method to create an error log requires a vector of tuples to
  * pass in the FFDC file information.
  *
  * @param   files - FFDC files
  * @return  vector of FFDCTuple objects
  */
 std::vector<FFDCTuple>
     createFFDCTuples(const std::vector<util::FFDCFile>& files)
 {
     std::vector<FFDCTuple> ffdcTuples{};
     util::transformFFDC(files, ffdcTuples);

     return ffdcTuples;
 }

 /**
  * @brief Create an FFDCFile object containing raw data
  *
  * Throws an exception if an error occurs.
  *
  * @param   i_buffer - raw data to add to ffdc faw data file
  * @param   i_size - size of the raw data
  * @return  FFDCFile object
  */
 util::FFDCFile createFFDCRawFile(void* i_buffer, size_t i_size)
 {
     util::FFDCFile file{util::FFDCFormat::Custom};

     // Write buffer to file and then reset file description file offset
     int fd = file.getFileDescriptor();
     size_t numBytes = write(fd, static_cast<char*>(i_buffer), i_size);
     if (i_size != numBytes)
     {
         trace::err("%s only %u of %u bytes written", file.getPath().c_str(),
                    numBytes, i_size);
     }

     lseek(fd, 0, SEEK_SET);

     return file;
 }

 /**
  * Create FFDCFile objects containing debug data to store in the error log.
  *
  * If an error occurs, the error is written to the journal but an exception
  * is not thrown.
  *
  * @param   i_buffer - raw data (if creating raw dump ffdc entry in log)
  * @return  vector of FFDCFile objects
  */
 std::vector<util::FFDCFile> createFFDCFiles(char* i_buffer = nullptr,
                                             size_t i_size = 0)
 {
     std::vector<util::FFDCFile> files{};

     // Create raw dump file
     if ((nullptr != i_buffer) && (0 != i_size))
     {
         files.emplace_back(createFFDCRawFile(i_buffer, i_size));
     }

     // Create trace dump file
     util::createFFDCTraceFiles(files);

     // Add PRD scratch registers
     addPrdScratchRegs(files);

     return files;
 }

 /**
  * Create a PEL from an existing PEL
  *
  * Create a new PEL based on the specified raw PEL and submit the new PEL
  * to the backend logging code as a raw PEL. Note that  additional data map
  * here contains data to be committed to the PEL and it can also be used to
  * create the PEL as it contains needed information.
  *
  * @param   i_rawPel - buffer containing a raw PEL
  * @param   i_additional - additional data to be added to the new PEL
  */
 void createPelCustom(std::vector<uint8_t>& i_rawPel,
                      std::map<std::string, std::string> i_additional)
 {
     // create PEL object from buffer
     auto tiPel = std::make_unique<pel::PelMinimal>(i_rawPel);

     // The additional data contains the TI info as well as the value for the
     // subystem that provided the TI info. Get the subystem from additional
     // data and then populate the primary SRC and SRC words for the custom PEL
     // based on the subsystem's TI info.
     std::map<std::string, std::string>::iterator it;
     uint8_t subsystem;

     it = i_additional.find("Subsystem");
     if (it != i_additional.end())
     {
         subsystem = std::stoi(it->second);
         tiPel->setSubsystem(subsystem);
     }
     else
     {
         // The entry with key "Subsystem" does not exist in the additional map.
         // Log the error, create failure event, and return.
         trace::err("Error the key Subsystem does not exist in the map.");
         eventAttentionFail((int)AttnSection::attnLogging | ATTN_INVALID_KEY);
         return;
     }

     // If recoverable attentions are active we will call the analyzer and
     // then link the custom pel to analyzer pel.
     it = i_additional.find("recoverables");
     if (it != i_additional.end() && "true" == it->second)
     {
         DumpParameters dumpParameters;
         auto plid = analyzer::analyzeHardware(
             analyzer::AnalysisType::TERMINATE_IMMEDIATE, dumpParameters);
         if (0 != plid)
         {
             // Link the PLID if an attention was found and a PEL was generated.
             tiPel->setPlid(plid);
         }
     }

     if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) == subsystem)
     {
         // populate hypervisor SRC words
         tiPel->setSrcWords(std::array<uint32_t, pel::numSrcWords>{
             (uint32_t)std::stoul(i_additional["0x10 SRC Word 12"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x14 SRC Word 13"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x18 SRC Word 14"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x1c SRC Word 15"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x20 SRC Word 16"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x24 SRC Word 17"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x28 SRC Word 18"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x2c SRC Word 19"], 0, 16)});

         // Populate phyp primary SRC

         // char array for raw pel src
         std::array<char, pel::asciiStringSize> srcChars{'0'};
         std::string srcString;

         // src from TI info
         it = i_additional.find("SrcAscii");
         if (it != i_additional.end())
         {
             srcString = it->second;
         }
         else
         {
             // The entry with key "Subsystem" does not exist in the additional
             // map. Log the error, create failure event, and return.
             trace::err("Error the key SrcAscii does not exist in the map.");
             eventAttentionFail((int)AttnSection::attnLogging |
                                ATTN_INVALID_KEY);
             return;
         }

         // copy from string to char array
         srcString.copy(srcChars.data(),
                        std::min(srcString.size(), pel::asciiStringSize), 0);

         tiPel->setAsciiString(srcChars); // pel object src is char array

         // set symptom-id
         auto symptomId = (srcString.substr(0, 8) + '_');

         symptomId += (i_additional["0x10 SRC Word 12"]);
         symptomId += (i_additional["0x14 SRC Word 13"] + '_');
         symptomId += (i_additional["0x18 SRC Word 14"]);
         symptomId += (i_additional["0x1c SRC Word 15"] + '_');
         symptomId += (i_additional["0x20 SRC Word 16"]);
         symptomId += (i_additional["0x24 SRC Word 17"] + '_');
         symptomId += (i_additional["0x28 SRC Word 18"]);
         symptomId += (i_additional["0x2c SRC Word 19"]);

         // setSymptomId will take care of required null-terminate and padding
         tiPel->setSymptomId(symptomId);
     }
     else
     {
         // Populate hostboot SRC words - note HB word 0 from the shared info
         // data (additional data "0x10 HB Word") is reflected in the PEL as
         // "reason code" so we zero it here. Also note that the first word
         // in this group of words starts at word 0 and word 1 does not exits.
         tiPel->setSrcWords(std::array<uint32_t, pel::numSrcWords>{
             (uint32_t)0x00000000,
             (uint32_t)std::stoul(i_additional["0x14 HB Word 2"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x18 HB Word 3"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x1c HB Word 4"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x20 HB Word 5"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x24 HB Word 6"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x28 HB Word 7"], 0, 16),
             (uint32_t)std::stoul(i_additional["0x2c HB Word 8"], 0, 16)});

         // Populate hostboot primary SRC

         // char array for raw pel src
         std::array<char, pel::asciiStringSize> srcChars{'0'};
         std::string srcString;

         // src from TI info
         it = i_additional.find("SrcAscii");
         if (it != i_additional.end())
         {
             srcString = it->second;
         }
         else
         {
             // The entry with key "Subsystem" does not exist in the additional
             // map. Log the error, create failure event, and return.
             trace::err("Error the key SrcAscii does not exist in the map.");
             eventAttentionFail((int)AttnSection::attnLogging |
                                ATTN_INVALID_KEY);
             return;
         }

         // copy from string to char array
         srcString.copy(srcChars.data(),
                        std::min(srcString.size(), pel::asciiStringSize), 0);

         tiPel->setAsciiString(srcChars); // pel object src is char array

         // set symptom-id
         auto symptomId = (srcString.substr(0, 8) + '_');

         symptomId += (i_additional["0x10 HB Word 0"]);       // note: word 1
         symptomId += (i_additional["0x14 HB Word 2"] + '_'); // does not exist
         symptomId += (i_additional["0x18 HB Word 3"]);
         symptomId += (i_additional["0x1c HB Word 4"] + '_');
         symptomId += (i_additional["0x20 HB Word 5"]);
         symptomId += (i_additional["0x24 HB Word 6"] + '_');
         symptomId += (i_additional["0x28 HB Word 7"]);
         symptomId += (i_additional["0x2c HB Word 8"]);

         // setSymptomId will take care of required null-terminate and padding
         tiPel->setSymptomId(symptomId);
     }

     // set severity, event type and action flags
     tiPel->setSeverity(static_cast<uint8_t>(pel::Severity::termination));
     tiPel->setType(static_cast<uint8_t>(pel::EventType::na));

     auto actionFlags = pel::ActionFlags::service | pel::ActionFlags::report |
                        pel::ActionFlags::call;

     it = i_additional.find("hidden");
     if (it != i_additional.end() && "true" == it->second)
     {
         trace::inf("making HB TI PEL hidden");
         actionFlags = actionFlags | pel::ActionFlags::hidden;
     }

     tiPel->setAction(static_cast<uint16_t>(actionFlags));

     // The raw PEL that we used as the basis for this custom PEL contains some
     // user data sections that do not need to be in this PEL. However we do
     // want to include the raw TI information.
     int ffdcCount = 0;
     it = i_additional.find("FFDC count");
     if (it != i_additional.end())
     {
         // remove all sections except 1 (raw Ti info)
         ffdcCount = std::stoi(it->second) - 1;
     }
     tiPel->setSectionCount(tiPel->getSectionCount() - ffdcCount);

     // Update the raw PEL with the new custom PEL data
     tiPel->raw(i_rawPel);

     // create PEL from raw data
     createPelRaw(i_rawPel);
 }

 /**
  * Log an event handled by the attention handler
  *
  * Basic (non TI) events will generate a standard message-registry based PEL
  *
  * TI events will create two PEL's. One PEL will be informational and will
  * contain trace information relevent to attention handler. The second PEL
  * will be specific to the TI type (including the primary SRC) and will be
  * based off of the TI information provided to the attention handler through
  * shared TI info data area.
  *
  * @param  i_event - The event type
  * @param  i_additional - Additional PEL data
  * @param  i_ffdc - FFDC PEL data
  * @param  i_severity - Severity level
  * @return Event log Id (0 if no event log generated)
  */
 uint32_t event(EventType i_event,
                std::map<std::string, std::string>& i_additional,
                const std::vector<util::FFDCFile>& i_ffdc,
                std::string i_severity = levelPelError)
 {
     uint32_t pelId = 0;      // assume no event log generated

     bool eventValid = false; // assume no event created
     bool tiEvent = false;    // assume not a terminate event

     // count user data sections so we can fixup custom PEL
     i_additional["FFDC count"] = std::to_string(i_ffdc.size());

     std::string eventName;

     switch (i_event)
     {
         case EventType::Checkstop:
             eventName = "org.open_power.HwDiags.Error.Checkstop";
             eventValid = true;
             break;
         case EventType::Terminate:
             eventName = "org.open_power.Attn.Error.Terminate";
             eventValid = true;
             tiEvent = true;
             break;
         case EventType::Vital:
             eventName = "org.open_power.Attn.Error.Vital";
             eventValid = true;
             break;
         case EventType::HwDiagsFail:
         case EventType::AttentionFail:
             eventName = "org.open_power.Attn.Error.Fail";
             eventValid = true;
             break;
         default:
             eventValid = false;
             break;
     }

     if (true == eventValid)
     {
         // Create PEL with additional data and FFDC data. The newly created
         // PEL's platform log-id will be returned.
         pelId = util::dbus::createPel(eventName, i_severity, i_additional,
                                       createFFDCTuples(i_ffdc));

         // If this is a TI event we will create an additional PEL that is
         // specific to the subsystem that generated the TI.
         if ((0 != pelId) && (true == tiEvent))
         {
             // get file descriptor and size of information PEL
             int pelFd = getPel(pelId);

             // if PEL found, read into buffer
             if (-1 != pelFd)
             {
                 auto pelSize = lseek(pelFd, 0, SEEK_END);
                 lseek(pelFd, 0, SEEK_SET);

                 // read information PEL into buffer
                 std::vector<uint8_t> buffer(pelSize);
                 size_t numBytes = read(pelFd, buffer.data(), buffer.size());
                 if (buffer.size() != numBytes)
                 {
                     trace::err("Error reading event log: %u of %u bytes read",
                                numBytes, buffer.size());
                 }
                 else
                 {
                     // create PEL from buffer
                     createPelCustom(buffer, i_additional);
                 }

                 close(pelFd);
             }

             std::map<std::string, std::string>::iterator it;
             uint8_t subsystem;

             it = i_additional.find("Subsystem");
             if (it != i_additional.end())
             {
                 subsystem = std::stoi(it->second);
             }
             else
             {
                 // The entry with key "Subsystem" does not exist in the
                 // additional map. Log the error, create failure event, and
                 // return.
                 trace::err(
                     "Error the key Subsystem does not exist in the map.");
                 eventAttentionFail((int)AttnSection::attnLogging |
                                    ATTN_INVALID_KEY);
                 return 0;
             }

             // If not hypervisor TI
             if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) != subsystem)
             {
                 // Request a dump and transition the host
                 if ("true" == i_additional["Dump"])
                 {
                     // will not return until dump is complete
                     requestDump(pelId, DumpParameters{0, DumpType::Hostboot});
                 }
             }
         }
     }
     return pelId;
 }

 /**
  * Commit special attention TI event to log
  *
  * Create a event log with provided additional information and standard
  * FFDC data plus TI FFDC data
  *
  * @param i_additional - Additional log data
  * @param i_ti_InfoData - TI FFDC data
  */
 void eventTerminate(std::map<std::string, std::string> i_additionalData,
                     char* i_tiInfoData)
 {
     uint32_t tiInfoSize = 0; // assume TI info was not available

     if (nullptr != i_tiInfoData)
     {
         tiInfoSize = 56; // assume not hypervisor TI

         std::map<std::string, std::string>::iterator it;
         uint8_t subsystem;

         it = i_additionalData.find("Subsystem");
         if (it != i_additionalData.end())
         {
             subsystem = std::stoi(it->second);
         }
         else
         {
             // The entry with key "Subsystem" does not exist in the additional
             // map. Log the error, create failure event, and return.
             trace::err("Error the key Subsystem does not exist in the map.");
             eventAttentionFail((int)AttnSection::attnLogging |
                                ATTN_INVALID_KEY);
             return;
         }

         // If hypervisor
         if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) == subsystem)
         {
             tiInfoSize = 1024; // assume hypervisor max

             // hypervisor may just want some of the data
             if (0 == (*(i_tiInfoData + 0x09) & 0x01))
             {
                 uint32_t* additionalLength = (uint32_t*)(i_tiInfoData + 0x50);
                 uint32_t tiAdditional = be32toh(*additionalLength);
                 tiInfoSize = std::min(tiInfoSize, (84 + tiAdditional));
             }
         }
     }

     trace::inf("TI info size = %u", tiInfoSize);

     auto userData = createFFDCFiles(i_tiInfoData, tiInfoSize);

     // Per request from the Hostboot team. Add a level 2 callout.
     userData.emplace_back(util::FFDCFormat::JSON, 0xCA, 0x01);
     std::ofstream o{userData.back().getPath()};
     o << nlohmann::json::parse(R"(
         [ { "Procedure": "next_level_support", "Priority": "L" } ]
     )");
     o.close();

     event(EventType::Terminate, i_additionalData, userData);
 }

 /** @brief Commit SBE vital event to log, returns event log ID */
 uint32_t eventVital(std::string severity)
 {
     // Additional data for log
     std::map<std::string, std::string> additionalData;

     // Create log event with additional data and FFDC data
     return event(EventType::Vital, additionalData, createFFDCFiles(nullptr, 0),
                  severity);
 }

 /**
  * Commit attention handler failure event to log
  *
  * Create an event log containing the specified error code.
  *
  * @param i_error - Error code
  */
 void eventAttentionFail(int i_error)
 {
     // Additional data for log
     std::map<std::string, std::string> additionalData;
     additionalData["ERROR_CODE"] = std::to_string(i_error);

     // Create log event with additional data and FFDC data
     event(EventType::AttentionFail, additionalData,
           createFFDCFiles(nullptr, 0));
 }

 } // namespace attn
	#include <unistd.h>

	#include <analyzer/analyzer_main.hpp>
	#include <attn/attn_common.hpp>
	#include <attn/attn_dbus.hpp>
	#include <attn/attn_dump.hpp>
	#include <attn/attn_logging.hpp>
	#include <attn/pel/pel_minimal.hpp>
	#include <nlohmann/json.hpp>
	#include <phosphor-logging/log.hpp>
	#include <util/dbus.hpp>
	#include <util/ffdc.hpp>
	#include <util/trace.hpp>

	#include <fstream>

	namespace attn
	{
	/** @brief Tuple containing information about ffdc files */
	using FFDCTuple =
	std::tuple<util::FFDCFormat, uint8_t, uint8_t, sdbusplus::message::unix_fd>;

	/**
	* Create FFDCTuple objects corresponding to the specified FFDC files.
	*
	* The D-Bus method to create an error log requires a vector of tuples to
	* pass in the FFDC file information.
	*
	* @param files - FFDC files
	* @return vector of FFDCTuple objects
	*/
	std::vector<FFDCTuple>
	createFFDCTuples(const std::vector<util::FFDCFile>& files)
	{
	std::vector<FFDCTuple> ffdcTuples{};
	util::transformFFDC(files, ffdcTuples);

	return ffdcTuples;
	}

	/**
	* @brief Create an FFDCFile object containing raw data
	*
	* Throws an exception if an error occurs.
	*
	* @param i_buffer - raw data to add to ffdc faw data file
	* @param i_size - size of the raw data
	* @return FFDCFile object
	*/
	util::FFDCFile createFFDCRawFile(void* i_buffer, size_t i_size)
	{
	util::FFDCFile file{util::FFDCFormat::Custom};

	// Write buffer to file and then reset file description file offset
	int fd = file.getFileDescriptor();
	size_t numBytes = write(fd, static_cast<char*>(i_buffer), i_size);
	if (i_size != numBytes)
	{
	trace::err("%s only %u of %u bytes written", file.getPath().c_str(),
	numBytes, i_size);
	}

	lseek(fd, 0, SEEK_SET);

	return file;
	}

	/**
	* Create FFDCFile objects containing debug data to store in the error log.
	*
	* If an error occurs, the error is written to the journal but an exception
	* is not thrown.
	*
	* @param i_buffer - raw data (if creating raw dump ffdc entry in log)
	* @return vector of FFDCFile objects
	*/
	std::vector<util::FFDCFile> createFFDCFiles(char* i_buffer = nullptr,
	size_t i_size = 0)
	{
	std::vector<util::FFDCFile> files{};

	// Create raw dump file
	if ((nullptr != i_buffer) && (0 != i_size))
	{
	files.emplace_back(createFFDCRawFile(i_buffer, i_size));
	}

	// Create trace dump file
	util::createFFDCTraceFiles(files);

	// Add PRD scratch registers
	addPrdScratchRegs(files);

	return files;
	}

	/**
	* Create a PEL from an existing PEL
	*
	* Create a new PEL based on the specified raw PEL and submit the new PEL
	* to the backend logging code as a raw PEL. Note that additional data map
	* here contains data to be committed to the PEL and it can also be used to
	* create the PEL as it contains needed information.
	*
	* @param i_rawPel - buffer containing a raw PEL
	* @param i_additional - additional data to be added to the new PEL
	*/
	void createPelCustom(std::vector<uint8_t>& i_rawPel,
	std::map<std::string, std::string> i_additional)
	{
	// create PEL object from buffer
	auto tiPel = std::make_unique<pel::PelMinimal>(i_rawPel);

	// The additional data contains the TI info as well as the value for the
	// subystem that provided the TI info. Get the subystem from additional
	// data and then populate the primary SRC and SRC words for the custom PEL
	// based on the subsystem's TI info.
	std::map<std::string, std::string>::iterator it;
	uint8_t subsystem;

	it = i_additional.find("Subsystem");
	if (it != i_additional.end())
	{
	subsystem = std::stoi(it->second);
	tiPel->setSubsystem(subsystem);
	}
	else
	{
	// The entry with key "Subsystem" does not exist in the additional map.
	// Log the error, create failure event, and return.
	trace::err("Error the key Subsystem does not exist in the map.");
	eventAttentionFail((int)AttnSection::attnLogging \| ATTN_INVALID_KEY);
	return;
	}

	// If recoverable attentions are active we will call the analyzer and
	// then link the custom pel to analyzer pel.
	it = i_additional.find("recoverables");
	if (it != i_additional.end() && "true" == it->second)
	{
	DumpParameters dumpParameters;
	auto plid = analyzer::analyzeHardware(
	analyzer::AnalysisType::TERMINATE_IMMEDIATE, dumpParameters);
	if (0 != plid)
	{
	// Link the PLID if an attention was found and a PEL was generated.
	tiPel->setPlid(plid);
	}
	}

	if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) == subsystem)
	{
	// populate hypervisor SRC words
	tiPel->setSrcWords(std::array<uint32_t, pel::numSrcWords>{
	(uint32_t)std::stoul(i_additional["0x10 SRC Word 12"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x14 SRC Word 13"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x18 SRC Word 14"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x1c SRC Word 15"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x20 SRC Word 16"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x24 SRC Word 17"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x28 SRC Word 18"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x2c SRC Word 19"], 0, 16)});

	// Populate phyp primary SRC

	// char array for raw pel src
	std::array<char, pel::asciiStringSize> srcChars{'0'};
	std::string srcString;

	// src from TI info
	it = i_additional.find("SrcAscii");
	if (it != i_additional.end())
	{
	srcString = it->second;
	}
	else
	{
	// The entry with key "Subsystem" does not exist in the additional
	// map. Log the error, create failure event, and return.
	trace::err("Error the key SrcAscii does not exist in the map.");
	eventAttentionFail((int)AttnSection::attnLogging \|
	ATTN_INVALID_KEY);
	return;
	}

	// copy from string to char array
	srcString.copy(srcChars.data(),
	std::min(srcString.size(), pel::asciiStringSize), 0);

	tiPel->setAsciiString(srcChars); // pel object src is char array

	// set symptom-id
	auto symptomId = (srcString.substr(0, 8) + '_');

	symptomId += (i_additional["0x10 SRC Word 12"]);
	symptomId += (i_additional["0x14 SRC Word 13"] + '_');
	symptomId += (i_additional["0x18 SRC Word 14"]);
	symptomId += (i_additional["0x1c SRC Word 15"] + '_');
	symptomId += (i_additional["0x20 SRC Word 16"]);
	symptomId += (i_additional["0x24 SRC Word 17"] + '_');
	symptomId += (i_additional["0x28 SRC Word 18"]);
	symptomId += (i_additional["0x2c SRC Word 19"]);

	// setSymptomId will take care of required null-terminate and padding
	tiPel->setSymptomId(symptomId);
	}
	else
	{
	// Populate hostboot SRC words - note HB word 0 from the shared info
	// data (additional data "0x10 HB Word") is reflected in the PEL as
	// "reason code" so we zero it here. Also note that the first word
	// in this group of words starts at word 0 and word 1 does not exits.
	tiPel->setSrcWords(std::array<uint32_t, pel::numSrcWords>{
	(uint32_t)0x00000000,
	(uint32_t)std::stoul(i_additional["0x14 HB Word 2"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x18 HB Word 3"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x1c HB Word 4"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x20 HB Word 5"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x24 HB Word 6"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x28 HB Word 7"], 0, 16),
	(uint32_t)std::stoul(i_additional["0x2c HB Word 8"], 0, 16)});

	// Populate hostboot primary SRC

	// char array for raw pel src
	std::array<char, pel::asciiStringSize> srcChars{'0'};
	std::string srcString;

	// src from TI info
	it = i_additional.find("SrcAscii");
	if (it != i_additional.end())
	{
	srcString = it->second;
	}
	else
	{
	// The entry with key "Subsystem" does not exist in the additional
	// map. Log the error, create failure event, and return.
	trace::err("Error the key SrcAscii does not exist in the map.");
	eventAttentionFail((int)AttnSection::attnLogging \|
	ATTN_INVALID_KEY);
	return;
	}

	// copy from string to char array
	srcString.copy(srcChars.data(),
	std::min(srcString.size(), pel::asciiStringSize), 0);

	tiPel->setAsciiString(srcChars); // pel object src is char array

	// set symptom-id
	auto symptomId = (srcString.substr(0, 8) + '_');

	symptomId += (i_additional["0x10 HB Word 0"]); // note: word 1
	symptomId += (i_additional["0x14 HB Word 2"] + '_'); // does not exist
	symptomId += (i_additional["0x18 HB Word 3"]);
	symptomId += (i_additional["0x1c HB Word 4"] + '_');
	symptomId += (i_additional["0x20 HB Word 5"]);
	symptomId += (i_additional["0x24 HB Word 6"] + '_');
	symptomId += (i_additional["0x28 HB Word 7"]);
	symptomId += (i_additional["0x2c HB Word 8"]);

	// setSymptomId will take care of required null-terminate and padding
	tiPel->setSymptomId(symptomId);
	}

	// set severity, event type and action flags
	tiPel->setSeverity(static_cast<uint8_t>(pel::Severity::termination));
	tiPel->setType(static_cast<uint8_t>(pel::EventType::na));

	auto actionFlags = pel::ActionFlags::service \| pel::ActionFlags::report \|
	pel::ActionFlags::call;

	it = i_additional.find("hidden");
	if (it != i_additional.end() && "true" == it->second)
	{
	trace::inf("making HB TI PEL hidden");
	actionFlags = actionFlags \| pel::ActionFlags::hidden;
	}

	tiPel->setAction(static_cast<uint16_t>(actionFlags));

	// The raw PEL that we used as the basis for this custom PEL contains some
	// user data sections that do not need to be in this PEL. However we do
	// want to include the raw TI information.
	int ffdcCount = 0;
	it = i_additional.find("FFDC count");
	if (it != i_additional.end())
	{
	// remove all sections except 1 (raw Ti info)
	ffdcCount = std::stoi(it->second) - 1;
	}
	tiPel->setSectionCount(tiPel->getSectionCount() - ffdcCount);

	// Update the raw PEL with the new custom PEL data
	tiPel->raw(i_rawPel);

	// create PEL from raw data
	createPelRaw(i_rawPel);
	}

	/**
	* Log an event handled by the attention handler
	*
	* Basic (non TI) events will generate a standard message-registry based PEL
	*
	* TI events will create two PEL's. One PEL will be informational and will
	* contain trace information relevent to attention handler. The second PEL
	* will be specific to the TI type (including the primary SRC) and will be
	* based off of the TI information provided to the attention handler through
	* shared TI info data area.
	*
	* @param i_event - The event type
	* @param i_additional - Additional PEL data
	* @param i_ffdc - FFDC PEL data
	* @param i_severity - Severity level
	* @return Event log Id (0 if no event log generated)
	*/
	uint32_t event(EventType i_event,
	std::map<std::string, std::string>& i_additional,
	const std::vector<util::FFDCFile>& i_ffdc,
	std::string i_severity = levelPelError)
	{
	uint32_t pelId = 0; // assume no event log generated

	bool eventValid = false; // assume no event created
	bool tiEvent = false; // assume not a terminate event

	// count user data sections so we can fixup custom PEL
	i_additional["FFDC count"] = std::to_string(i_ffdc.size());

	std::string eventName;

	switch (i_event)
	{
	case EventType::Checkstop:
	eventName = "org.open_power.HwDiags.Error.Checkstop";
	eventValid = true;
	break;
	case EventType::Terminate:
	eventName = "org.open_power.Attn.Error.Terminate";
	eventValid = true;
	tiEvent = true;
	break;
	case EventType::Vital:
	eventName = "org.open_power.Attn.Error.Vital";
	eventValid = true;
	break;
	case EventType::HwDiagsFail:
	case EventType::AttentionFail:
	eventName = "org.open_power.Attn.Error.Fail";
	eventValid = true;
	break;
	default:
	eventValid = false;
	break;
	}

	if (true == eventValid)
	{
	// Create PEL with additional data and FFDC data. The newly created
	// PEL's platform log-id will be returned.
	pelId = util::dbus::createPel(eventName, i_severity, i_additional,
	createFFDCTuples(i_ffdc));

	// If this is a TI event we will create an additional PEL that is
	// specific to the subsystem that generated the TI.
	if ((0 != pelId) && (true == tiEvent))
	{
	// get file descriptor and size of information PEL
	int pelFd = getPel(pelId);

	// if PEL found, read into buffer
	if (-1 != pelFd)
	{
	auto pelSize = lseek(pelFd, 0, SEEK_END);
	lseek(pelFd, 0, SEEK_SET);

	// read information PEL into buffer
	std::vector<uint8_t> buffer(pelSize);
	size_t numBytes = read(pelFd, buffer.data(), buffer.size());
	if (buffer.size() != numBytes)
	{
	trace::err("Error reading event log: %u of %u bytes read",
	numBytes, buffer.size());
	}
	else
	{
	// create PEL from buffer
	createPelCustom(buffer, i_additional);
	}

	close(pelFd);
	}

	std::map<std::string, std::string>::iterator it;
	uint8_t subsystem;

	it = i_additional.find("Subsystem");
	if (it != i_additional.end())
	{
	subsystem = std::stoi(it->second);
	}
	else
	{
	// The entry with key "Subsystem" does not exist in the
	// additional map. Log the error, create failure event, and
	// return.
	trace::err(
	"Error the key Subsystem does not exist in the map.");
	eventAttentionFail((int)AttnSection::attnLogging \|
	ATTN_INVALID_KEY);
	return 0;
	}

	// If not hypervisor TI
	if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) != subsystem)
	{
	// Request a dump and transition the host
	if ("true" == i_additional["Dump"])
	{
	// will not return until dump is complete
	requestDump(pelId, DumpParameters{0, DumpType::Hostboot});
	}
	}
	}
	}
	return pelId;
	}

	/**
	* Commit special attention TI event to log
	*
	* Create a event log with provided additional information and standard
	* FFDC data plus TI FFDC data
	*
	* @param i_additional - Additional log data
	* @param i_ti_InfoData - TI FFDC data
	*/
	void eventTerminate(std::map<std::string, std::string> i_additionalData,
	char* i_tiInfoData)
	{
	uint32_t tiInfoSize = 0; // assume TI info was not available

	if (nullptr != i_tiInfoData)
	{
	tiInfoSize = 56; // assume not hypervisor TI

	std::map<std::string, std::string>::iterator it;
	uint8_t subsystem;

	it = i_additionalData.find("Subsystem");
	if (it != i_additionalData.end())
	{
	subsystem = std::stoi(it->second);
	}
	else
	{
	// The entry with key "Subsystem" does not exist in the additional
	// map. Log the error, create failure event, and return.
	trace::err("Error the key Subsystem does not exist in the map.");
	eventAttentionFail((int)AttnSection::attnLogging \|
	ATTN_INVALID_KEY);
	return;
	}

	// If hypervisor
	if (static_cast<uint8_t>(pel::SubsystemID::hypervisor) == subsystem)
	{
	tiInfoSize = 1024; // assume hypervisor max

	// hypervisor may just want some of the data
	if (0 == (*(i_tiInfoData + 0x09) & 0x01))
	{
	uint32_t* additionalLength = (uint32_t*)(i_tiInfoData + 0x50);
	uint32_t tiAdditional = be32toh(*additionalLength);
	tiInfoSize = std::min(tiInfoSize, (84 + tiAdditional));
	}
	}
	}

	trace::inf("TI info size = %u", tiInfoSize);

	auto userData = createFFDCFiles(i_tiInfoData, tiInfoSize);

	// Per request from the Hostboot team. Add a level 2 callout.
	userData.emplace_back(util::FFDCFormat::JSON, 0xCA, 0x01);
	std::ofstream o{userData.back().getPath()};
	o << nlohmann::json::parse(R"(
	[ { "Procedure": "next_level_support", "Priority": "L" } ]
	)");
	o.close();

	event(EventType::Terminate, i_additionalData, userData);
	}

	/** @brief Commit SBE vital event to log, returns event log ID */
	uint32_t eventVital(std::string severity)
	{
	// Additional data for log
	std::map<std::string, std::string> additionalData;

	// Create log event with additional data and FFDC data
	return event(EventType::Vital, additionalData, createFFDCFiles(nullptr, 0),
	severity);
	}

	/**
	* Commit attention handler failure event to log
	*
	* Create an event log containing the specified error code.
	*
	* @param i_error - Error code
	*/
	void eventAttentionFail(int i_error)
	{
	// Additional data for log
	std::map<std::string, std::string> additionalData;
	additionalData["ERROR_CODE"] = std::to_string(i_error);

	// Create log event with additional data and FFDC data
	event(EventType::AttentionFail, additionalData,
	createFFDCFiles(nullptr, 0));
	}

	} // namespace attn