| #include <attn/attn_handler.hpp> |
| #include <attn/attn_logging.hpp> |
| #include <attn/ti_handler.hpp> |
| #include <sdbusplus/bus.hpp> |
| #include <sdbusplus/exception.hpp> |
| |
| #include <iomanip> |
| #include <iostream> |
| |
| namespace attn |
| { |
| |
| /** |
| * @brief Determine if this is a HB or PHYP TI event |
| * |
| * Use the TI info data area to determine if this is either a HB or a PHYP |
| * TI event then handle the event. |
| * |
| * @param i_tiDataArea pointer to the TI infor data |
| */ |
| int tiHandler(TiDataArea* i_tiDataArea) |
| { |
| int rc = RC_SUCCESS; |
| |
| // check TI data area if it is available |
| if (nullptr != i_tiDataArea) |
| { |
| // HB v. PHYP TI logic: Only hosboot will fill in hbTerminateType |
| // and it will be non-zero. Only hostboot will fill out source and it |
| // it will be non-zero. Only PHYP will fill in srcFormat and it will |
| // be non-zero. |
| // source and only PHYP will fill in srcFormat. |
| if ((0 == i_tiDataArea->hbTerminateType) && |
| (0 == i_tiDataArea->source) && (0 != i_tiDataArea->srcFormat)) |
| { |
| handlePhypTi(i_tiDataArea); |
| } |
| else |
| { |
| handleHbTi(i_tiDataArea); |
| } |
| } |
| else |
| { |
| // TI data was not available, assume PHYP TI for now. When a host state |
| // management interface becomes availabe we may be able to make a more |
| // informed decision here. |
| handlePhypTi(i_tiDataArea); |
| } |
| |
| return rc; |
| } |
| |
| /** |
| * @brief Transition the host state |
| * |
| * We will transition the host state by starting the appropriate dbus target. |
| * |
| * @param i_target the dbus target to start |
| */ |
| void transitionHost(const char* i_target) |
| { |
| // We will be transitioning host by starting appropriate dbus target |
| auto bus = sdbusplus::bus::new_system(); |
| auto method = bus.new_method_call( |
| "org.freedesktop.systemd1", "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", "StartUnit"); |
| |
| method.append(i_target); // target unit to start |
| method.append("replace"); // mode = replace conflicting queued jobs |
| |
| trace<level::INFO>(i_target); |
| |
| bus.call_noreply(method); // start the service |
| } |
| |
| /** |
| * @brief Handle a PHYP terminate immediate special attention |
| * |
| * The TI info data area will contain information pertaining to the TI |
| * condition. We will wither quiesce the host or initiate a MPIPL depending |
| * depending on the auto reboot configuration. We will also create a PEL which |
| * will contain the TI info data and FFDC data captured in the system journal. |
| * |
| * @param i_tiDataArea pointer to TI information filled in by hostboot |
| */ |
| void handlePhypTi(TiDataArea* i_tiDataArea) |
| { |
| trace<level::INFO>("PHYP TI"); |
| |
| if (autoRebootEnabled()) |
| { |
| // If autoreboot is enabled we will start diagnostic mode target |
| // which will ultimately mpipl the host. |
| transitionHost("obmc-host-diagnostic-mode@0.target"); |
| } |
| else |
| { |
| // If autoreboot is disabled we will quiesce the host |
| transitionHost("obmc-host-quiesce@0.target"); |
| } |
| |
| // gather additional data for PEL |
| std::map<std::string, std::string> tiAdditionalData; |
| |
| if (nullptr != i_tiDataArea) |
| { |
| parsePhypOpalTiInfo(tiAdditionalData, i_tiDataArea); |
| parseRawTiInfo(tiAdditionalData, i_tiDataArea); |
| } |
| |
| eventTerminate(tiAdditionalData); // generate PEL |
| } |
| |
| /** |
| * @brief Handle a hostboot terminate immediate special attention |
| * |
| * The TI info data area will contain information pertaining to the TI |
| * condition. The course of action to take regarding the host state will |
| * depend on the contents of the TI info data area. We will also create a |
| * PEL containing the TI info data and FFDC data captured in the system |
| * journal. |
| * |
| * @param i_tiDataArea pointer to TI information filled in by hostboot |
| */ |
| void handleHbTi(TiDataArea* i_tiDataArea) |
| { |
| trace<level::INFO>("HB TI"); |
| |
| bool hbDumpRequested = true; // HB dump is common case |
| bool generatePel = true; // assume PEL will be created |
| bool terminateHost = true; // transition host state |
| |
| // handle specific hostboot reason codes |
| if (nullptr != i_tiDataArea) |
| { |
| std::stringstream ss; |
| ss << std::hex << std::showbase; |
| |
| switch (i_tiDataArea->hbTerminateType) |
| { |
| case TI_WITH_PLID: |
| case TI_WITH_EID: |
| ss << "TI with PLID/EID: " << be32toh(i_tiDataArea->asciiData1); |
| trace<level::INFO>(ss.str().c_str()); |
| if (0 == i_tiDataArea->hbDumpFlag) |
| { |
| hbDumpRequested = false; // no HB dump requested |
| } |
| break; |
| case TI_WITH_SRC: |
| // SRC is byte 2 and 3 of 4 byte srcWord12HbWord0 |
| uint16_t hbSrc = be32toh(i_tiDataArea->srcWord12HbWord0); |
| |
| // trace some info |
| ss << "TI with SRC: " << (int)hbSrc; |
| trace<level::INFO>(ss.str().c_str()); |
| ss.str(std::string()); // clear stream |
| |
| switch (hbSrc) |
| { |
| case HB_SRC_SHUTDOWN_REQUEST: |
| trace<level::INFO>("shutdown request"); |
| generatePel = false; |
| break; |
| case HB_SRC_KEY_TRANSITION: |
| trace<level::INFO>("key transition"); |
| terminateHost = false; |
| break; |
| case HB_SRC_INSUFFICIENT_HW: |
| trace<level::INFO>("insufficient hardware"); |
| break; |
| case HB_SRC_TPM_FAIL: |
| trace<level::INFO>("TPM fail"); |
| break; |
| case HB_SRC_ROM_VERIFY: |
| trace<level::INFO>("ROM verify"); |
| break; |
| case HB_SRC_EXT_MISMATCH: |
| trace<level::INFO>("EXT mismatch"); |
| break; |
| case HB_SRC_ECC_UE: |
| trace<level::INFO>("ECC UE"); |
| break; |
| case HB_SRC_UNSUPPORTED_MODE: |
| trace<level::INFO>("unsupported mode"); |
| break; |
| case HB_SRC_UNSUPPORTED_SFCRANGE: |
| trace<level::INFO>("unsupported SFC range"); |
| break; |
| case HB_SRC_PARTITION_TABLE: |
| trace<level::INFO>("partition table invalid"); |
| break; |
| case HB_SRC_UNSUPPORTED_HARDWARE: |
| trace<level::INFO>("unsupported hardware"); |
| break; |
| case HB_SRC_PNOR_CORRUPTION: |
| trace<level::INFO>("PNOR corruption"); |
| break; |
| default: |
| trace<level::INFO>("reason: other"); |
| } |
| |
| break; |
| } |
| } |
| |
| if (true == terminateHost) |
| { |
| // if hostboot dump is requested initiate dump |
| if (hbDumpRequested) |
| { |
| // Until HB dump support available just quiesce the host - once |
| // dump support is available the dump component will transition |
| // (ipl/halt) the host. |
| transitionHost("obmc-host-quiesce@0.target"); |
| } |
| else |
| { |
| // Quiese the host - when the host is quiesced it will either |
| // "halt" or IPL depending on autoreboot setting. |
| transitionHost("obmc-host-quiesce@0.target"); |
| } |
| } |
| |
| // gather additional data for PEL |
| std::map<std::string, std::string> tiAdditionalData; |
| |
| if (nullptr != i_tiDataArea) |
| { |
| parseHbTiInfo(tiAdditionalData, i_tiDataArea); |
| parseRawTiInfo(tiAdditionalData, i_tiDataArea); |
| } |
| |
| if (true == generatePel) |
| { |
| eventTerminate(tiAdditionalData); // generate PEL |
| } |
| } |
| |
| /** @brief Parse the TI info data area into map as raw 32-bit fields */ |
| void parseRawTiInfo(std::map<std::string, std::string>& i_map, |
| TiDataArea* i_buffer) |
| { |
| if (nullptr == i_buffer) |
| { |
| return; |
| } |
| |
| uint32_t* tiDataArea = (uint32_t*)i_buffer; |
| std::stringstream ss; |
| |
| ss << std::hex << std::setfill('0'); |
| ss << "raw:"; |
| while (tiDataArea <= (uint32_t*)((char*)i_buffer + sizeof(TiDataArea))) |
| { |
| ss << std::setw(8) << std::endl << be32toh(*tiDataArea); |
| tiDataArea++; |
| } |
| |
| std::string key, value; |
| char delim = ':'; |
| |
| while (std::getline(ss, key, delim)) |
| { |
| std::getline(ss, value, delim); |
| i_map[key] = value; |
| } |
| } |
| |
| /** @brief Parse the TI info data area into map as PHYP/OPAL data */ |
| void parsePhypOpalTiInfo(std::map<std::string, std::string>& i_map, |
| TiDataArea* i_tiDataArea) |
| { |
| if (nullptr == i_tiDataArea) |
| { |
| return; |
| } |
| |
| std::stringstream ss; |
| |
| ss << std::hex << std::showbase; |
| ss << "0x00 TI Area Valid:" << (int)i_tiDataArea->tiAreaValid << ":"; |
| ss << "0x01 Command:" << (int)i_tiDataArea->command << ":"; |
| ss << "0x02 Num. Data Bytes:" << be16toh(i_tiDataArea->numDataBytes) << ":"; |
| ss << "0x04 Reserved:" << (int)i_tiDataArea->reserved1 << ":"; |
| ss << "0x06 HWDump Type:" << be16toh(i_tiDataArea->hardwareDumpType) << ":"; |
| ss << "0x08 SRC Format:" << (int)i_tiDataArea->srcFormat << ":"; |
| ss << "0x09 SRC Flags:" << (int)i_tiDataArea->srcFlags << ":"; |
| ss << "0x0a Num. ASCII Words:" << (int)i_tiDataArea->numAsciiWords << ":"; |
| ss << "0x0b Num. Hex Words:" << (int)i_tiDataArea->numHexWords << ":"; |
| ss << "0x0e Length of SRC:" << be16toh(i_tiDataArea->lenSrc) << ":"; |
| ss << "0x10 SRC Word 12:" << be32toh(i_tiDataArea->srcWord12HbWord0) << ":"; |
| ss << "0x14 SRC Word 13:" << be32toh(i_tiDataArea->srcWord13HbWord2) << ":"; |
| ss << "0x18 SRC Word 14:" << be32toh(i_tiDataArea->srcWord14HbWord3) << ":"; |
| ss << "0x1c SRC Word 15:" << be32toh(i_tiDataArea->srcWord15HbWord4) << ":"; |
| ss << "0x20 SRC Word 16:" << be32toh(i_tiDataArea->srcWord16HbWord5) << ":"; |
| ss << "0x24 SRC Word 17:" << be32toh(i_tiDataArea->srcWord17HbWord6) << ":"; |
| ss << "0x28 SRC Word 18:" << be32toh(i_tiDataArea->srcWord18HbWord7) << ":"; |
| ss << "0x2c SRC Word 19:" << be32toh(i_tiDataArea->srcWord19HbWord8) << ":"; |
| ss << "0x30 ASCII Data:" << be32toh(i_tiDataArea->asciiData0) << ":"; |
| ss << "0x34 ASCII Data:" << be32toh(i_tiDataArea->asciiData1) << ":"; |
| ss << "0x38 ASCII Data:" << be32toh(i_tiDataArea->asciiData2) << ":"; |
| ss << "0x3c ASCII Data:" << be32toh(i_tiDataArea->asciiData3) << ":"; |
| ss << "0x40 ASCII Data:" << be32toh(i_tiDataArea->asciiData4) << ":"; |
| ss << "0x44 ASCII Data:" << be32toh(i_tiDataArea->asciiData5) << ":"; |
| ss << "0x48 ASCII Data:" << be32toh(i_tiDataArea->asciiData6) << ":"; |
| ss << "0x4c ASCII Data:" << be32toh(i_tiDataArea->asciiData7) << ":"; |
| ss << "0x50 Location:" << (int)i_tiDataArea->location << ":"; |
| ss << "0x51 Code Sections:" << (int)i_tiDataArea->codeSection << ":"; |
| ss << "0x52 Additional Size:" << (int)i_tiDataArea->additionalSize << ":"; |
| ss << "0x53 Additional Data:" << (int)i_tiDataArea->andData; |
| |
| std::string key, value; |
| char delim = ':'; |
| |
| while (std::getline(ss, key, delim)) |
| { |
| std::getline(ss, value, delim); |
| i_map[key] = value; |
| } |
| } |
| |
| /** @brief Parse the TI info data area into map as hostboot data */ |
| void parseHbTiInfo(std::map<std::string, std::string>& i_map, |
| TiDataArea* i_tiDataArea) |
| { |
| if (nullptr == i_tiDataArea) |
| { |
| return; |
| } |
| |
| std::stringstream ss; |
| |
| ss << std::hex << std::showbase; |
| ss << "0x00 TI Area Valid:" << (int)i_tiDataArea->tiAreaValid << ":"; |
| ss << "0x04 Reserved:" << (int)i_tiDataArea->reserved1 << ":"; |
| ss << "0x05 HB_Term. Type:" << (int)i_tiDataArea->hbTerminateType << ":"; |
| ss << "0x0c HB Dump Flag:" << (int)i_tiDataArea->hbDumpFlag << ":"; |
| ss << "0x0d Source:" << (int)i_tiDataArea->source << ":"; |
| ss << "0x10 HB Word 0:" << be32toh(i_tiDataArea->srcWord12HbWord0) << ":"; |
| ss << "0x14 HB Word 2:" << be32toh(i_tiDataArea->srcWord13HbWord2) << ":"; |
| ss << "0x18 HB Word 3:" << be32toh(i_tiDataArea->srcWord14HbWord3) << ":"; |
| ss << "0x1c HB Word 4:" << be32toh(i_tiDataArea->srcWord15HbWord4) << ":"; |
| ss << "0x20 HB Word 5:" << be32toh(i_tiDataArea->srcWord16HbWord5) << ":"; |
| ss << "0x24 HB Word 6:" << be32toh(i_tiDataArea->srcWord17HbWord6) << ":"; |
| ss << "0x28 HB Word 7:" << be32toh(i_tiDataArea->srcWord18HbWord7) << ":"; |
| ss << "0x2c HB Word 8:" << be32toh(i_tiDataArea->srcWord19HbWord8) << ":"; |
| ss << "0x30 error_data:" << be32toh(i_tiDataArea->asciiData0) << ":"; |
| ss << "0x34 EID:" << be32toh(i_tiDataArea->asciiData1); |
| |
| std::string key, value; |
| char delim = ':'; |
| |
| while (std::getline(ss, key, delim)) |
| { |
| std::getline(ss, value, delim); |
| i_map[key] = value; |
| } |
| } |
| |
| /** @brief Read state of autoreboot propertyi via dbus */ |
| bool autoRebootEnabled() |
| { |
| // Use dbus get-property interface to read the autoreboot property |
| auto bus = sdbusplus::bus::new_system(); |
| auto method = |
| bus.new_method_call("xyz.openbmc_project.Settings", |
| "/xyz/openbmc_project/control/host0/auto_reboot", |
| "org.freedesktop.DBus.Properties", "Get"); |
| |
| method.append("xyz.openbmc_project.Control.Boot.RebootPolicy", |
| "AutoReboot"); |
| |
| bool autoReboot = false; // assume autoreboot attribute not available |
| |
| try |
| { |
| auto reply = bus.call(method); |
| |
| std::variant<bool> result; |
| reply.read(result); |
| autoReboot = std::get<bool>(result); |
| } |
| catch (const sdbusplus::exception::SdBusError& ec) |
| { |
| std::string traceMessage = |
| "Error in AutoReboot Get: " + std::string(ec.what()); |
| trace<level::INFO>(traceMessage.c_str()); |
| } |
| |
| return autoReboot; |
| } |
| |
| } // namespace attn |