| #include <unistd.h> |
| |
| #include <analyzer/service_data.hpp> |
| #include <analyzer/util.hpp> |
| #include <hei_main.hpp> |
| #include <phosphor-logging/elog.hpp> |
| #include <sdbusplus/bus.hpp> |
| #include <util/bin_stream.hpp> |
| #include <util/dbus.hpp> |
| #include <util/ffdc_file.hpp> |
| #include <util/pdbg.hpp> |
| #include <util/trace.hpp> |
| #include <xyz/openbmc_project/Logging/Create/server.hpp> |
| #include <xyz/openbmc_project/Logging/Entry/server.hpp> |
| |
| #include <fstream> |
| #include <memory> |
| |
| namespace LogSvr = sdbusplus::xyz::openbmc_project::Logging::server; |
| |
| namespace analyzer |
| { |
| //------------------------------------------------------------------------------ |
| |
| enum FfdcSubType_t : uint8_t |
| { |
| FFDC_SIGNATURES = 0x01, |
| FFDC_REGISTER_DUMP = 0x02, |
| FFDC_CALLOUT_FFDC = 0x03, |
| FFDC_HB_SCRATCH_REGS = 0x04, |
| FFDC_SCRATCH_SIG = 0x05, |
| |
| // For the callout section, the value of '0xCA' is required per the |
| // phosphor-logging openpower-pel extention spec. |
| FFDC_CALLOUTS = 0xCA, |
| }; |
| |
| enum FfdcVersion_t : uint8_t |
| { |
| FFDC_VERSION1 = 0x01, |
| }; |
| |
| //------------------------------------------------------------------------------ |
| |
| void __getSrc(const libhei::Signature& i_signature, uint32_t& o_word6, |
| uint32_t& o_word7, uint32_t& o_word8) |
| { |
| o_word6 = o_word7 = o_word8 = 0; // default |
| |
| // Note that the chip could be null if there was no root cause attention |
| // found during analysis. |
| if (nullptr != i_signature.getChip().getChip()) |
| { |
| // [ 0:15] chip model |
| // [16:23] reserved space in chip ID |
| // [24:31] chip EC level |
| o_word6 = i_signature.getChip().getType(); |
| |
| // [ 0:15] chip position |
| // [16:23] node position |
| // [24:31] signature attention type |
| auto chipPos = util::pdbg::getChipPos(i_signature.getChip()); |
| uint8_t nodePos = 0; // TODO: multi-node support |
| auto attn = i_signature.getAttnType(); |
| |
| o_word7 = |
| (chipPos & 0xffff) << 16 | (nodePos & 0xff) << 8 | (attn & 0xff); |
| |
| // [ 0:15] signature ID |
| // [16:23] signature instance |
| // [24:31] signature bit position |
| o_word8 = i_signature.toUint32(); |
| |
| // Word 9 is currently unused |
| } |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __setSrc(const libhei::Signature& i_rootCause, |
| std::map<std::string, std::string>& io_logData) |
| { |
| uint32_t word6 = 0, word7 = 0, word8 = 0; |
| __getSrc(i_rootCause, word6, word7, word8); |
| |
| io_logData["SRC6"] = std::to_string(word6); |
| io_logData["SRC7"] = std::to_string(word7); |
| io_logData["SRC8"] = std::to_string(word8); |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __addCalloutList(const ServiceData& i_servData, |
| std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // Create a new entry for the user data section containing the callout list. |
| io_userDataFiles.emplace_back(util::FFDCFormat::JSON, FFDC_CALLOUTS, |
| FFDC_VERSION1); |
| |
| // Use a file stream to write the JSON to file. |
| std::ofstream o{io_userDataFiles.back().getPath()}; |
| o << i_servData.getCalloutList(); |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __addCalloutFFDC(const ServiceData& i_servData, |
| std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // Create a new entry for the user data section containing the FFDC. |
| io_userDataFiles.emplace_back(util::FFDCFormat::Custom, FFDC_CALLOUT_FFDC, |
| FFDC_VERSION1); |
| |
| // Use a file stream to write the JSON to file. |
| std::ofstream o{io_userDataFiles.back().getPath()}; |
| o << i_servData.getCalloutFFDC(); |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __captureSignatureList(const libhei::IsolationData& i_isoData, |
| std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // Create a new entry for this user data section regardless if there are any |
| // signatures in the list. |
| io_userDataFiles.emplace_back(util::FFDCFormat::Custom, FFDC_SIGNATURES, |
| FFDC_VERSION1); |
| |
| // Create a streamer for easy writing to the FFDC file. |
| auto path = io_userDataFiles.back().getPath(); |
| util::BinFileWriter stream{path}; |
| |
| // The first 4 bytes in the FFDC contains the number of signatures in the |
| // list. Then, the list of signatures will follow. |
| |
| auto list = i_isoData.getSignatureList(); |
| |
| uint32_t numSigs = list.size(); |
| stream << numSigs; |
| |
| for (const auto& sig : list) |
| { |
| // Each signature will use the same format as the SRC (12 bytes each). |
| uint32_t word6 = 0, word7 = 0, word8 = 0; |
| __getSrc(sig, word6, word7, word8); |
| stream << word6 << word7 << word8; |
| } |
| |
| // If the stream failed for any reason, remove the FFDC file. |
| if (!stream.good()) |
| { |
| trace::err("Unable to write signature list FFDC file: %s", |
| path.string().c_str()); |
| io_userDataFiles.pop_back(); |
| } |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __captureRegisterDump(const libhei::IsolationData& i_isoData, |
| std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // Create a new entry for this user data section regardless if there are any |
| // registers in the dump. |
| io_userDataFiles.emplace_back(util::FFDCFormat::Custom, FFDC_REGISTER_DUMP, |
| FFDC_VERSION1); |
| |
| // Create a streamer for easy writing to the FFDC file. |
| auto path = io_userDataFiles.back().getPath(); |
| util::BinFileWriter stream{path}; |
| |
| // The first 4 bytes in the FFDC contains the number of chips with register |
| // data. Then the data for each chip will follow. |
| |
| auto dump = i_isoData.getRegisterDump(); |
| |
| uint32_t numChips = dump.size(); |
| stream << numChips; |
| |
| for (const auto& entry : dump) |
| { |
| auto chip = entry.first; |
| auto regList = entry.second; |
| |
| // Each chip will have the following information: |
| // 4 byte chip model/EC |
| // 2 byte chip position |
| // 1 byte node position |
| // 4 byte number of registers |
| // Then the data for each register will follow. |
| |
| uint32_t chipType = chip.getType(); |
| uint16_t chipPos = util::pdbg::getChipPos(chip); |
| uint8_t nodePos = 0; // TODO: multi-node support |
| uint32_t numRegs = regList.size(); |
| stream << chipType << chipPos << nodePos << numRegs; |
| |
| for (const auto& reg : regList) |
| { |
| // Each register will have the following information: |
| // 3 byte register ID |
| // 1 byte register instance |
| // 1 byte data size |
| // * byte data buffer (* depends on value of data size) |
| |
| libhei::RegisterId_t regId = reg.regId; // 3 byte |
| libhei::Instance_t regInst = reg.regInst; // 1 byte |
| |
| auto tmp = libhei::BitString::getMinBytes(reg.data->getBitLen()); |
| if (255 < tmp) |
| { |
| trace::inf("Register data execeeded 255 and was truncated: " |
| "regId=0x%06x regInst=%u", |
| regId, regInst); |
| tmp = 255; |
| } |
| uint8_t dataSize = tmp; |
| |
| stream << regId << regInst << dataSize; |
| |
| stream.write(reg.data->getBufAddr(), dataSize); |
| } |
| } |
| |
| // If the stream failed for any reason, remove the FFDC file. |
| if (!stream.good()) |
| { |
| trace::err("Unable to write register dump FFDC file: %s", |
| path.string().c_str()); |
| io_userDataFiles.pop_back(); |
| } |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __captureHostbootScratchRegisters( |
| std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // Get the Hostboot scratch registers from the primary processor. |
| |
| uint32_t cfamAddr = 0x283C; |
| uint32_t cfamValue = 0; |
| |
| uint64_t scomAddr = 0x4602F489; |
| uint64_t scomValue = 0; |
| |
| auto priProc = util::pdbg::getPrimaryProcessor(); |
| if (nullptr == priProc) |
| { |
| trace::err("Unable to get primary processor"); |
| } |
| else |
| { |
| if (0 != util::pdbg::getCfam(priProc, cfamAddr, cfamValue)) |
| { |
| cfamValue = 0; // just in case |
| } |
| |
| if (0 != util::pdbg::getScom(priProc, scomAddr, scomValue)) |
| { |
| scomValue = 0; // just in case |
| } |
| } |
| |
| // Create a new entry for this user data section. |
| io_userDataFiles.emplace_back(util::FFDCFormat::Custom, |
| FFDC_HB_SCRATCH_REGS, FFDC_VERSION1); |
| |
| // Create a streamer for easy writing to the FFDC file. |
| auto path = io_userDataFiles.back().getPath(); |
| util::BinFileWriter stream{path}; |
| |
| // Add the data (CFAM addr/val, then SCOM addr/val). |
| stream << cfamAddr << cfamValue << scomAddr << scomValue; |
| |
| // If the stream failed for any reason, remove the FFDC file. |
| if (!stream.good()) |
| { |
| trace::err("Unable to write register dump FFDC file: %s", |
| path.string().c_str()); |
| io_userDataFiles.pop_back(); |
| } |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| void __captureScratchRegSignature(std::vector<util::FFDCFile>& io_userDataFiles) |
| { |
| // If analysis was interrupted by a system checkstop, there may exist an |
| // error signature within Hostboot scratch registers 9 (scom: 0x00050180, |
| // fsi: 0x2980) and 10 (scom: 0x00050181, fsi: 0x2981) which indicates the |
| // signature from the interrupted analysis. If data exists within those |
| // registers a user data section will be created in the PEL to record it. |
| |
| uint32_t reg9Addr = 0x2980; |
| uint32_t reg10Addr = 0x2981; |
| |
| uint32_t chipId = 0; // stored in reg9 |
| uint32_t sigId = 0; // stored in reg10 |
| |
| auto priProc = util::pdbg::getPrimaryProcessor(); |
| if (nullptr == priProc) |
| { |
| trace::err("Unable to get primary processor"); |
| } |
| else |
| { |
| if (0 != util::pdbg::getCfam(priProc, reg9Addr, chipId)) |
| { |
| chipId = 0; // just in case |
| } |
| |
| if (0 != util::pdbg::getCfam(priProc, reg10Addr, sigId)) |
| { |
| sigId = 0; // just in case |
| } |
| } |
| |
| // If any non-zero data was found in the registers, add them to the FFDC. |
| if (0 != chipId || 0 != sigId) |
| { |
| // Create a new entry for this user data section. |
| io_userDataFiles.emplace_back(util::FFDCFormat::Custom, |
| FFDC_SCRATCH_SIG, FFDC_VERSION1); |
| |
| // Create a streamer for easy writing to the FFDC file. |
| auto path = io_userDataFiles.back().getPath(); |
| util::BinFileWriter stream{path}; |
| |
| stream << chipId << sigId; |
| |
| // If the stream failed for any reason, remove the FFDC file. |
| if (!stream.good()) |
| { |
| trace::err("Unable to write register dump FFDC file: %s", |
| path.string().c_str()); |
| io_userDataFiles.pop_back(); |
| } |
| } |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| std::string __getMessageRegistry(AnalysisType i_type) |
| { |
| if (AnalysisType::SYSTEM_CHECKSTOP == i_type) |
| { |
| return "org.open_power.HwDiags.Error.Checkstop"; |
| } |
| else if (AnalysisType::TERMINATE_IMMEDIATE == i_type) |
| { |
| return "org.open_power.HwDiags.Error.Predictive"; |
| } |
| |
| return "org.open_power.HwDiags.Error.Informational"; // default |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| std::string __getMessageSeverity(AnalysisType i_type) |
| { |
| // Default severity is informational (no service action required). |
| LogSvr::Entry::Level severity = LogSvr::Entry::Level::Informational; |
| |
| if (AnalysisType::SYSTEM_CHECKSTOP == i_type) |
| { |
| // System checkstops are always unrecoverable errors (service action |
| // required). |
| severity = LogSvr::Entry::Level::Error; |
| } |
| else if (AnalysisType::TERMINATE_IMMEDIATE == i_type) |
| { |
| // TIs will be reported as a predicive error (service action required). |
| severity = LogSvr::Entry::Level::Warning; |
| } |
| |
| // Convert the message severity to a string. |
| return LogSvr::Entry::convertLevelToString(severity); |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| uint32_t commitPel(const ServiceData& i_servData) |
| { |
| uint32_t o_plid = 0; // default, zero indicates PEL was not created |
| |
| // The message registry will require additional log data to fill in keywords |
| // and additional log data. |
| std::map<std::string, std::string> logData; |
| |
| // Keep track of the temporary files associated with the user data FFDC. |
| // WARNING: Once the objects stored in this vector go out of scope, the |
| // temporary files will be deleted. So they must remain in scope |
| // until the PEL is submitted. |
| std::vector<util::FFDCFile> userDataFiles; |
| |
| // Set the subsystem in the primary SRC. |
| i_servData.addSrcSubsystem(logData); |
| |
| // Set words 6-9 of the SRC. |
| __setSrc(i_servData.getRootCause(), logData); |
| |
| // Add the list of callouts to the PEL. |
| __addCalloutList(i_servData, userDataFiles); |
| |
| // Add the Hostboot scratch register to the PEL. |
| __captureHostbootScratchRegisters(userDataFiles); |
| |
| // Add the signature stored in the scratch regs if it exists. |
| __captureScratchRegSignature(userDataFiles); |
| |
| // Add the callout FFDC to the PEL. |
| __addCalloutFFDC(i_servData, userDataFiles); |
| |
| // Capture the complete signature list. |
| __captureSignatureList(i_servData.getIsolationData(), userDataFiles); |
| |
| // Capture the complete signature list. |
| __captureRegisterDump(i_servData.getIsolationData(), userDataFiles); |
| |
| // Now, that all of the user data files have been created, transform the |
| // data into the proper format for the PEL. |
| std::vector<util::FFDCTuple> userData; |
| util::transformFFDC(userDataFiles, userData); |
| |
| // Get the message registry entry for this failure. |
| auto message = __getMessageRegistry(i_servData.getAnalysisType()); |
| |
| // Get the message severity for this failure. |
| auto severity = __getMessageSeverity(i_servData.getAnalysisType()); |
| |
| // Create the PEL |
| o_plid = util::dbus::createPel(message, severity, logData, userData); |
| |
| if (0 == o_plid) |
| { |
| trace::err("Error while creating event log entry"); |
| } |
| |
| // Return the platorm log ID of the error. |
| return o_plid; |
| } |
| |
| } // namespace analyzer |