| #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 <phosphor-logging/log.hpp> |
| #include <util/dbus.hpp> |
| #include <util/ffdc.hpp> |
| #include <util/trace.hpp> |
| |
| 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); |
| |
| event(EventType::Terminate, i_additionalData, |
| createFFDCFiles(i_tiInfoData, tiInfoSize)); |
| } |
| |
| /** @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 |