Expanded PEL support for analyzer logs
Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ie33c5b777d537ab054a06c09087edcddcc129f15
diff --git a/analyzer/create_pel.cpp b/analyzer/create_pel.cpp
new file mode 100644
index 0000000..2871da6
--- /dev/null
+++ b/analyzer/create_pel.cpp
@@ -0,0 +1,153 @@
+#include <unistd.h>
+
+#include <hei_main.hpp>
+#include <phosphor-logging/elog.hpp>
+#include <sdbusplus/bus.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>
+
+namespace LogSvr = sdbusplus::xyz::openbmc_project::Logging::server;
+
+namespace analyzer
+{
+
+bool __isCheckstop(const libhei::IsolationData& i_isoData)
+{
+ // Look for any signature with a system checkstop attention.
+ auto list = i_isoData.getSignatureList();
+ auto itr = std::find_if(list.begin(), list.end(), [](const auto& s) {
+ return libhei::ATTN_TYPE_CHECKSTOP == s.getAttnType();
+ });
+
+ return list.end() != itr;
+}
+
+//------------------------------------------------------------------------------
+
+void __setSrc(const libhei::Signature& i_rootCause,
+ std::map<std::string, std::string>& io_logData)
+{
+ // [ 0:15] chip model
+ // [16:23] reserved space in chip ID
+ // [24:31] chip EC level
+ uint32_t word6 = i_rootCause.getChip().getType();
+
+ // [ 0:15] chip position
+ // [16:23] unused
+ // [24:31] signature attention type
+ auto pos = util::pdbg::getChipPos(i_rootCause.getChip());
+ auto attn = i_rootCause.getAttnType();
+
+ uint32_t word7 = (pos & 0xffff) << 16 | (attn & 0xff);
+
+ // [ 0:15] signature ID
+ // [16:23] signature instance
+ // [24:31] signature bit position
+ uint32_t word8 = i_rootCause.toUint32();
+
+ // Word 9 is currently unused
+
+ io_logData["SRC6"] = std::to_string(word6);
+ io_logData["SRC7"] = std::to_string(word7);
+ io_logData["SRC8"] = std::to_string(word8);
+}
+
+//------------------------------------------------------------------------------
+
+void __captureSignatureList(const libhei::IsolationData& i_isoData,
+ std::vector<util::FFDCFile>& io_userDataFiles)
+{
+ // TODO: Create a user data section that contains the complete list of
+ // signatures found during isolation.
+}
+
+//------------------------------------------------------------------------------
+
+std::string __getMessageRegistry(bool i_isCheckstop)
+{
+ // For now, there are only two choices:
+ return i_isCheckstop ? "org.open_power.HwDiags.Error.Checkstop"
+ : "org.open_power.HwDiags.Error.Predictive";
+}
+
+//------------------------------------------------------------------------------
+
+std::string __getMessageSeverity(bool i_isCheckstop)
+{
+ // We could specify the PEL severity in the message registry entry. However,
+ // that would require multiple copies of each entry for each possible
+ // severity. As a workaround, we will not explicitly state the PEL severity
+ // in the message registry. Instead, the message severity will be converted
+ // into a PEL severity via the openpower-pels extention of phosphor-logging.
+
+ // Initially, we'll use a severity that will generate a predictive PEL. This
+ // is intended for Terminate Immediate (TI) errors and will require service.
+ LogSvr::Entry::Level severity = LogSvr::Entry::Level::Warning;
+
+ // If the reason for analysis was due to a system checsktop, the severity
+ // will be upgraded to a unrecoverable PEL.
+ if (i_isCheckstop)
+ severity = LogSvr::Entry::Level::Error;
+
+ // Convert the message severity to a string.
+ return LogSvr::Entry::convertLevelToString(severity);
+}
+
+//------------------------------------------------------------------------------
+
+void createPel(const libhei::Signature& i_rootCause,
+ const libhei::IsolationData& i_isoData)
+{
+ // 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;
+
+ // In several cases, it is important to know if the reason for analysis was
+ // due to a system checsktop.
+ bool isCheckstop = __isCheckstop(i_isoData);
+
+ // Set words 6-9 of the SRC.
+ __setSrc(i_rootCause, logData);
+
+ // Capture the complete signature list.
+ __captureSignatureList(i_isoData, 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 access to logging interface and method for creating log.
+ auto bus = sdbusplus::bus::new_default_system();
+
+ // Using direct create method (for additional data).
+ auto method = bus.new_method_call(
+ "xyz.openbmc_project.Logging", "/xyz/openbmc_project/logging",
+ "xyz.openbmc_project.Logging.Create", "CreateWithFFDCFiles");
+
+ // The "Create" method requires manually adding the process ID.
+ logData["_PID"] = std::to_string(getpid());
+
+ // Get the message registry entry for this failure.
+ auto message = __getMessageRegistry(isCheckstop);
+
+ // Get the message severity for this failure.
+ auto severity = __getMessageSeverity(isCheckstop);
+
+ // Add the message, with additional log and user data.
+ method.append(message, severity, logData, userData);
+
+ // Log the event.
+ bus.call_noreply(method);
+}
+
+} // namespace analyzer