| /* |
| // Copyright (c) 2019 Intel Corporation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| */ |
| #include <peci.h> |
| #include <systemd/sd-journal.h> |
| |
| #include <bitset> |
| #include <boost/asio/posix/stream_descriptor.hpp> |
| #include <gpiod.hpp> |
| #include <iostream> |
| #include <sdbusplus/asio/object_server.hpp> |
| |
| namespace host_error_monitor |
| { |
| static boost::asio::io_service io; |
| static std::shared_ptr<sdbusplus::asio::connection> conn; |
| |
| static bool hostOff = true; |
| |
| const static constexpr size_t caterrTimeoutMs = 2000; |
| const static constexpr size_t err2TimeoutMs = 90000; |
| const static constexpr size_t crashdumpTimeoutS = 300; |
| |
| // Timers |
| // Timer for CATERR asserted |
| static boost::asio::steady_timer caterrAssertTimer(io); |
| // Timer for ERR2 asserted |
| static boost::asio::steady_timer err2AssertTimer(io); |
| |
| // GPIO Lines and Event Descriptors |
| static gpiod::line caterrLine; |
| static boost::asio::posix::stream_descriptor caterrEvent(io); |
| static gpiod::line err2Line; |
| static boost::asio::posix::stream_descriptor err2Event(io); |
| //---------------------------------- |
| // PCH_BMC_THERMTRIP function related definition |
| //---------------------------------- |
| // GPIO Lines and Event Descriptors |
| static gpiod::line pchThermtripLine; |
| static boost::asio::posix::stream_descriptor pchThermtripEvent(io); |
| |
| static void cpuIERRLog() |
| { |
| sd_journal_send("MESSAGE=HostError: IERR", "PRIORITY=%i", LOG_INFO, |
| "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.CPUError", |
| "REDFISH_MESSAGE_ARGS=%s", "IERR", NULL); |
| } |
| |
| static void cpuIERRLog(const int cpuNum) |
| { |
| std::string msg = "IERR on CPU " + std::to_string(cpuNum + 1); |
| |
| sd_journal_send("MESSAGE=HostError: %s", msg.c_str(), "PRIORITY=%i", |
| LOG_INFO, "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.CPUError", |
| "REDFISH_MESSAGE_ARGS=%s", msg.c_str(), NULL); |
| } |
| |
| static void cpuIERRLog(const int cpuNum, const std::string& type) |
| { |
| std::string msg = type + " IERR on CPU " + std::to_string(cpuNum + 1); |
| |
| sd_journal_send("MESSAGE=HostError: %s", msg.c_str(), "PRIORITY=%i", |
| LOG_INFO, "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.CPUError", |
| "REDFISH_MESSAGE_ARGS=%s", msg.c_str(), NULL); |
| } |
| |
| static void cpuERR2Log() |
| { |
| sd_journal_send("MESSAGE=HostError: ERR2 Timeout", "PRIORITY=%i", LOG_INFO, |
| "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.CPUError", |
| "REDFISH_MESSAGE_ARGS=%s", "ERR2 Timeout", NULL); |
| } |
| |
| static void cpuERR2Log(const int cpuNum) |
| { |
| std::string msg = "ERR2 Timeout on CPU " + std::to_string(cpuNum + 1); |
| |
| sd_journal_send("MESSAGE=HostError: %s", msg.c_str(), "PRIORITY=%i", |
| LOG_INFO, "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.CPUError", |
| "REDFISH_MESSAGE_ARGS=%s", msg.c_str(), NULL); |
| } |
| |
| static void initializeErrorState(); |
| static void initializeHostState() |
| { |
| conn->async_method_call( |
| [](boost::system::error_code ec, |
| const std::variant<std::string>& property) { |
| if (ec) |
| { |
| return; |
| } |
| const std::string* state = std::get_if<std::string>(&property); |
| if (state == nullptr) |
| { |
| std::cerr << "Unable to read host state value\n"; |
| return; |
| } |
| hostOff = *state == "xyz.openbmc_project.State.Host.HostState.Off"; |
| // If the system is on, initialize the error state |
| if (!hostOff) |
| { |
| initializeErrorState(); |
| } |
| }, |
| "xyz.openbmc_project.State.Host", "/xyz/openbmc_project/state/host0", |
| "org.freedesktop.DBus.Properties", "Get", |
| "xyz.openbmc_project.State.Host", "CurrentHostState"); |
| } |
| |
| static std::shared_ptr<sdbusplus::bus::match::match> startHostStateMonitor() |
| { |
| return std::make_shared<sdbusplus::bus::match::match>( |
| *conn, |
| "type='signal',interface='org.freedesktop.DBus.Properties'," |
| "member='PropertiesChanged',arg0namespace='xyz.openbmc_project.State." |
| "Host'", |
| [](sdbusplus::message::message& msg) { |
| std::string interfaceName; |
| boost::container::flat_map<std::string, std::variant<std::string>> |
| propertiesChanged; |
| std::string state; |
| try |
| { |
| msg.read(interfaceName, propertiesChanged); |
| state = |
| std::get<std::string>(propertiesChanged.begin()->second); |
| } |
| catch (std::exception& e) |
| { |
| std::cerr << "Unable to read host state\n"; |
| return; |
| } |
| hostOff = state == "xyz.openbmc_project.State.Host.HostState.Off"; |
| |
| // No host events should fire while off, so cancel any pending |
| // timers |
| if (hostOff) |
| { |
| caterrAssertTimer.cancel(); |
| err2AssertTimer.cancel(); |
| } |
| }); |
| } |
| |
| static bool requestGPIOEvents( |
| const std::string& name, const std::function<void()>& handler, |
| gpiod::line& gpioLine, |
| boost::asio::posix::stream_descriptor& gpioEventDescriptor) |
| { |
| // Find the GPIO line |
| gpioLine = gpiod::find_line(name); |
| if (!gpioLine) |
| { |
| std::cerr << "Failed to find the " << name << " line\n"; |
| return false; |
| } |
| |
| try |
| { |
| gpioLine.request( |
| {"host-error-monitor", gpiod::line_request::EVENT_BOTH_EDGES}); |
| } |
| catch (std::exception&) |
| { |
| std::cerr << "Failed to request events for " << name << "\n"; |
| return false; |
| } |
| |
| int gpioLineFd = gpioLine.event_get_fd(); |
| if (gpioLineFd < 0) |
| { |
| std::cerr << "Failed to get " << name << " fd\n"; |
| return false; |
| } |
| |
| gpioEventDescriptor.assign(gpioLineFd); |
| |
| gpioEventDescriptor.async_wait( |
| boost::asio::posix::stream_descriptor::wait_read, |
| [&name, handler](const boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << name << " fd handler error: " << ec.message() |
| << "\n"; |
| return; |
| } |
| handler(); |
| }); |
| return true; |
| } |
| |
| static void startPowerCycle() |
| { |
| conn->async_method_call( |
| [](boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "failed to set Chassis State\n"; |
| } |
| }, |
| "xyz.openbmc_project.State.Chassis", |
| "/xyz/openbmc_project/state/chassis0", |
| "org.freedesktop.DBus.Properties", "Set", |
| "xyz.openbmc_project.State.Chassis", "RequestedPowerTransition", |
| std::variant<std::string>{ |
| "xyz.openbmc_project.State.Chassis.Transition.PowerCycle"}); |
| } |
| |
| static void startCrashdumpAndRecovery(bool recoverSystem) |
| { |
| std::cout << "Starting crashdump\n"; |
| static std::shared_ptr<sdbusplus::bus::match::match> crashdumpCompleteMatch; |
| static boost::asio::steady_timer crashdumpTimer(io); |
| |
| crashdumpCompleteMatch = std::make_shared<sdbusplus::bus::match::match>( |
| *conn, |
| "type='signal',interface='org.freedesktop.DBus.Properties'," |
| "member='PropertiesChanged',arg0namespace='com.intel.crashdump'", |
| [recoverSystem](sdbusplus::message::message& msg) { |
| crashdumpTimer.cancel(); |
| std::cout << "Crashdump completed\n"; |
| if (recoverSystem) |
| { |
| std::cout << "Recovering the system\n"; |
| startPowerCycle(); |
| } |
| crashdumpCompleteMatch.reset(); |
| }); |
| |
| crashdumpTimer.expires_after(std::chrono::seconds(crashdumpTimeoutS)); |
| crashdumpTimer.async_wait([](const boost::system::error_code ec) { |
| if (ec) |
| { |
| // operation_aborted is expected if timer is canceled |
| if (ec != boost::asio::error::operation_aborted) |
| { |
| std::cerr << "Crashdump async_wait failed: " << ec.message() |
| << "\n"; |
| } |
| std::cout << "Crashdump timer canceled\n"; |
| return; |
| } |
| std::cerr << "Crashdump failed to complete before timeout\n"; |
| crashdumpCompleteMatch.reset(); |
| }); |
| |
| conn->async_method_call( |
| [](boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "failed to start Crashdump\n"; |
| crashdumpTimer.cancel(); |
| crashdumpCompleteMatch.reset(); |
| } |
| }, |
| "com.intel.crashdump", "/com/intel/crashdump", |
| "com.intel.crashdump.Stored", "GenerateStoredLog"); |
| } |
| |
| static bool checkIERRCPUs() |
| { |
| bool cpuIERRFound = false; |
| for (int cpu = 0, addr = MIN_CLIENT_ADDR; addr <= MAX_CLIENT_ADDR; |
| cpu++, addr++) |
| { |
| uint8_t cc = 0; |
| CPUModel model{}; |
| uint8_t stepping = 0; |
| if (peci_GetCPUID(addr, &model, &stepping, &cc) != PECI_CC_SUCCESS) |
| { |
| std::cerr << "Cannot get CPUID!\n"; |
| continue; |
| } |
| |
| switch (model) |
| { |
| case skx: |
| { |
| // First check the MCA_ERR_SRC_LOG to see if this is the CPU |
| // that caused the IERR |
| uint32_t mcaErrSrcLog = 0; |
| if (peci_RdPkgConfig(addr, 0, 5, 4, (uint8_t*)&mcaErrSrcLog, |
| &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| // Check MSMI_INTERNAL (20) and IERR_INTERNAL (27) |
| if ((mcaErrSrcLog & (1 << 20)) || (mcaErrSrcLog & (1 << 27))) |
| { |
| // TODO: Light the CPU fault LED? |
| cpuIERRFound = true; |
| // Next check if it's a CPU/VR mismatch by reading the |
| // IA32_MC4_STATUS MSR (0x411) |
| uint64_t mc4Status = 0; |
| if (peci_RdIAMSR(addr, 0, 0x411, &mc4Status, &cc) != |
| PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| // Check MSEC bits 31:24 for |
| // MCA_SVID_VCCIN_VR_ICC_MAX_FAILURE (0x40), |
| // MCA_SVID_VCCIN_VR_VOUT_FAILURE (0x42), or |
| // MCA_SVID_CPU_VR_CAPABILITY_ERROR (0x43) |
| if ((mc4Status & (0x40 << 24)) || |
| (mc4Status & (0x42 << 24)) || |
| (mc4Status & (0x43 << 24))) |
| { |
| cpuIERRLog(cpu, "CPU/VR Mismatch"); |
| continue; |
| } |
| |
| // Next check if it's a Core FIVR fault by looking for a |
| // non-zero value of CORE_FIVR_ERR_LOG (B(1) D30 F2 offset |
| // 80h) |
| uint32_t coreFIVRErrLog = 0; |
| if (peci_RdPCIConfigLocal( |
| addr, 1, 30, 2, 0x80, sizeof(uint32_t), |
| (uint8_t*)&coreFIVRErrLog, &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| if (coreFIVRErrLog) |
| { |
| cpuIERRLog(cpu, "Core FIVR Fault"); |
| continue; |
| } |
| |
| // Next check if it's an Uncore FIVR fault by looking for a |
| // non-zero value of UNCORE_FIVR_ERR_LOG (B(1) D30 F2 offset |
| // 84h) |
| uint32_t uncoreFIVRErrLog = 0; |
| if (peci_RdPCIConfigLocal(addr, 1, 30, 2, 0x84, |
| sizeof(uint32_t), |
| (uint8_t*)&uncoreFIVRErrLog, |
| &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| if (uncoreFIVRErrLog) |
| { |
| cpuIERRLog(cpu, "Uncore FIVR Fault"); |
| continue; |
| } |
| |
| // Last if CORE_FIVR_ERR_LOG and UNCORE_FIVR_ERR_LOG are |
| // both zero, but MSEC bits 31:24 have either |
| // MCA_FIVR_CATAS_OVERVOL_FAULT (0x51) or |
| // MCA_FIVR_CATAS_OVERCUR_FAULT (0x52), then log it as an |
| // uncore FIVR fault |
| if (!coreFIVRErrLog && !uncoreFIVRErrLog && |
| ((mc4Status & (0x51 << 24)) || |
| (mc4Status & (0x52 << 24)))) |
| { |
| cpuIERRLog(cpu, "Uncore FIVR Fault"); |
| continue; |
| } |
| cpuIERRLog(cpu); |
| } |
| break; |
| } |
| case icx: |
| { |
| // First check the MCA_ERR_SRC_LOG to see if this is the CPU |
| // that caused the IERR |
| uint32_t mcaErrSrcLog = 0; |
| if (peci_RdPkgConfig(addr, 0, 5, 4, (uint8_t*)&mcaErrSrcLog, |
| &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| // Check MSMI_INTERNAL (20) and IERR_INTERNAL (27) |
| if ((mcaErrSrcLog & (1 << 20)) || (mcaErrSrcLog & (1 << 27))) |
| { |
| // TODO: Light the CPU fault LED? |
| cpuIERRFound = true; |
| // Next check if it's a CPU/VR mismatch by reading the |
| // IA32_MC4_STATUS MSR (0x411) |
| uint64_t mc4Status = 0; |
| if (peci_RdIAMSR(addr, 0, 0x411, &mc4Status, &cc) != |
| PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| // TODO: Update MSEC/MSCOD_31_24 check |
| // Check MSEC bits 31:24 for |
| // MCA_SVID_VCCIN_VR_ICC_MAX_FAILURE (0x40), |
| // MCA_SVID_VCCIN_VR_VOUT_FAILURE (0x42), or |
| // MCA_SVID_CPU_VR_CAPABILITY_ERROR (0x43) |
| if ((mc4Status & (0x40 << 24)) || |
| (mc4Status & (0x42 << 24)) || |
| (mc4Status & (0x43 << 24))) |
| { |
| cpuIERRLog(cpu, "CPU/VR Mismatch"); |
| continue; |
| } |
| |
| // Next check if it's a Core FIVR fault by looking for a |
| // non-zero value of CORE_FIVR_ERR_LOG (B(31) D30 F2 offsets |
| // C0h and C4h) (Note: Bus 31 is accessed on PECI as bus 14) |
| uint32_t coreFIVRErrLog0 = 0; |
| uint32_t coreFIVRErrLog1 = 0; |
| if (peci_RdEndPointConfigPciLocal( |
| addr, 0, 14, 30, 2, 0xC0, sizeof(uint32_t), |
| (uint8_t*)&coreFIVRErrLog0, &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| if (peci_RdEndPointConfigPciLocal( |
| addr, 0, 14, 30, 2, 0xC4, sizeof(uint32_t), |
| (uint8_t*)&coreFIVRErrLog1, &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| if (coreFIVRErrLog0 || coreFIVRErrLog1) |
| { |
| cpuIERRLog(cpu, "Core FIVR Fault"); |
| continue; |
| } |
| |
| // Next check if it's an Uncore FIVR fault by looking for a |
| // non-zero value of UNCORE_FIVR_ERR_LOG (B(31) D30 F2 |
| // offset 84h) (Note: Bus 31 is accessed on PECI as bus 14) |
| uint32_t uncoreFIVRErrLog = 0; |
| if (peci_RdEndPointConfigPciLocal( |
| addr, 0, 14, 30, 2, 0x84, sizeof(uint32_t), |
| (uint8_t*)&uncoreFIVRErrLog, |
| &cc) != PECI_CC_SUCCESS) |
| { |
| continue; |
| } |
| if (uncoreFIVRErrLog) |
| { |
| cpuIERRLog(cpu, "Uncore FIVR Fault"); |
| continue; |
| } |
| |
| // TODO: Update MSEC/MSCOD_31_24 check |
| // Last if CORE_FIVR_ERR_LOG and UNCORE_FIVR_ERR_LOG are |
| // both zero, but MSEC bits 31:24 have either |
| // MCA_FIVR_CATAS_OVERVOL_FAULT (0x51) or |
| // MCA_FIVR_CATAS_OVERCUR_FAULT (0x52), then log it as an |
| // uncore FIVR fault |
| if (!coreFIVRErrLog0 && !coreFIVRErrLog1 && |
| !uncoreFIVRErrLog && |
| ((mc4Status & (0x51 << 24)) || |
| (mc4Status & (0x52 << 24)))) |
| { |
| cpuIERRLog(cpu, "Uncore FIVR Fault"); |
| continue; |
| } |
| cpuIERRLog(cpu); |
| } |
| break; |
| } |
| } |
| } |
| return cpuIERRFound; |
| } |
| |
| static void caterrAssertHandler() |
| { |
| caterrAssertTimer.expires_after(std::chrono::milliseconds(caterrTimeoutMs)); |
| caterrAssertTimer.async_wait([](const boost::system::error_code ec) { |
| if (ec) |
| { |
| // operation_aborted is expected if timer is canceled |
| // before completion. |
| if (ec != boost::asio::error::operation_aborted) |
| { |
| std::cerr << "caterr timeout async_wait failed: " |
| << ec.message() << "\n"; |
| } |
| return; |
| } |
| std::cerr << "CATERR asserted for " << std::to_string(caterrTimeoutMs) |
| << " ms\n"; |
| if (!checkIERRCPUs()) |
| { |
| cpuIERRLog(); |
| } |
| conn->async_method_call( |
| [](boost::system::error_code ec, |
| const std::variant<bool>& property) { |
| if (ec) |
| { |
| return; |
| } |
| const bool* reset = std::get_if<bool>(&property); |
| if (reset == nullptr) |
| { |
| std::cerr << "Unable to read reset on CATERR value\n"; |
| return; |
| } |
| startCrashdumpAndRecovery(*reset); |
| }, |
| "xyz.openbmc_project.Settings", |
| "/xyz/openbmc_project/control/processor_error_config", |
| "org.freedesktop.DBus.Properties", "Get", |
| "xyz.openbmc_project.Control.Processor.ErrConfig", "ResetOnCATERR"); |
| }); |
| } |
| |
| static void caterrHandler() |
| { |
| if (!hostOff) |
| { |
| gpiod::line_event gpioLineEvent = caterrLine.event_read(); |
| |
| bool caterr = |
| gpioLineEvent.event_type == gpiod::line_event::FALLING_EDGE; |
| if (caterr) |
| { |
| caterrAssertHandler(); |
| } |
| else |
| { |
| caterrAssertTimer.cancel(); |
| } |
| } |
| caterrEvent.async_wait(boost::asio::posix::stream_descriptor::wait_read, |
| [](const boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "caterr handler error: " |
| << ec.message() << "\n"; |
| return; |
| } |
| caterrHandler(); |
| }); |
| } |
| static void pchThermtripHandler() |
| { |
| if (!hostOff) |
| { |
| gpiod::line_event gpioLineEvent = pchThermtripLine.event_read(); |
| |
| bool pchThermtrip = |
| gpioLineEvent.event_type == gpiod::line_event::FALLING_EDGE; |
| if (pchThermtrip) |
| { |
| std::cout << "PCH Thermal trip detected \n"; |
| // log to redfish, call API |
| sd_journal_send("MESSAGE=SsbThermalTrip: SSB Thermal trip", |
| "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s", |
| "OpenBMC.0.1.SsbThermalTrip", NULL); |
| } |
| } |
| pchThermtripEvent.async_wait( |
| boost::asio::posix::stream_descriptor::wait_read, |
| [](const boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "PCH Thermal trip handler error: " << ec.message() |
| << "\n"; |
| return; |
| } |
| pchThermtripHandler(); |
| }); |
| } |
| |
| static std::bitset<MAX_CPUS> checkERR2CPUs() |
| { |
| std::bitset<MAX_CPUS> err2CPUs = 0; |
| for (int cpu = 0, addr = MIN_CLIENT_ADDR; addr <= MAX_CLIENT_ADDR; |
| cpu++, addr++) |
| { |
| if (peci_Ping(addr) == PECI_CC_SUCCESS) |
| { |
| uint8_t cc = 0; |
| CPUModel model{}; |
| uint8_t stepping = 0; |
| if (peci_GetCPUID(addr, &model, &stepping, &cc) != PECI_CC_SUCCESS) |
| { |
| std::cerr << "Cannot get CPUID!\n"; |
| continue; |
| } |
| |
| switch (model) |
| { |
| case skx: |
| { |
| // Check the ERRPINSTS to see if this is the CPU that caused |
| // the ERR2 (B(0) D8 F0 offset 210h) |
| uint32_t errpinsts = 0; |
| if (peci_RdPCIConfigLocal( |
| addr, 0, 8, 0, 0x210, sizeof(uint32_t), |
| (uint8_t*)&errpinsts, &cc) == PECI_CC_SUCCESS) |
| { |
| err2CPUs[cpu] = (errpinsts & err2Sts) != 0; |
| } |
| break; |
| } |
| case icx: |
| { |
| // Check the ERRPINSTS to see if this is the CPU that caused |
| // the ERR2 (B(30) D0 F3 offset 274h) (Note: Bus 30 is |
| // accessed on PECI as bus 13) |
| uint32_t errpinsts = 0; |
| if (peci_RdEndPointConfigPciLocal( |
| addr, 0, 13, 0, 3, 0x274, sizeof(uint32_t), |
| (uint8_t*)&errpinsts, &cc) == PECI_CC_SUCCESS) |
| { |
| err2CPUs[cpu] = (errpinsts & err2Sts) != 0; |
| } |
| break; |
| } |
| } |
| } |
| } |
| return err2CPUs; |
| } |
| |
| static void err2AssertHandler() |
| { |
| // ERR2 status is not guaranteed through the timeout, so save which |
| // CPUs have asserted ERR2 now |
| std::bitset<MAX_CPUS> err2CPUs = checkERR2CPUs(); |
| err2AssertTimer.expires_after(std::chrono::milliseconds(err2TimeoutMs)); |
| err2AssertTimer.async_wait([err2CPUs](const boost::system::error_code ec) { |
| if (ec) |
| { |
| // operation_aborted is expected if timer is canceled before |
| // completion. |
| if (ec != boost::asio::error::operation_aborted) |
| { |
| std::cerr << "err2 timeout async_wait failed: " << ec.message() |
| << "\n"; |
| } |
| return; |
| } |
| std::cerr << "ERR2 asserted for " << std::to_string(err2TimeoutMs) |
| << " ms\n"; |
| if (err2CPUs.count()) |
| { |
| for (int i = 0; i < err2CPUs.size(); i++) |
| { |
| if (err2CPUs[i]) |
| { |
| cpuERR2Log(i); |
| } |
| } |
| } |
| else |
| { |
| cpuERR2Log(); |
| } |
| conn->async_method_call( |
| [](boost::system::error_code ec, |
| const std::variant<bool>& property) { |
| if (ec) |
| { |
| return; |
| } |
| const bool* reset = std::get_if<bool>(&property); |
| if (reset == nullptr) |
| { |
| std::cerr << "Unable to read reset on ERR2 value\n"; |
| return; |
| } |
| startCrashdumpAndRecovery(*reset); |
| }, |
| "xyz.openbmc_project.Settings", |
| "/xyz/openbmc_project/control/processor_error_config", |
| "org.freedesktop.DBus.Properties", "Get", |
| "xyz.openbmc_project.Control.Processor.ErrConfig", "ResetOnERR2"); |
| }); |
| } |
| |
| static void err2Handler() |
| { |
| if (!hostOff) |
| { |
| gpiod::line_event gpioLineEvent = err2Line.event_read(); |
| |
| bool err2 = gpioLineEvent.event_type == gpiod::line_event::FALLING_EDGE; |
| if (err2) |
| { |
| err2AssertHandler(); |
| } |
| else |
| { |
| err2AssertTimer.cancel(); |
| } |
| } |
| err2Event.async_wait(boost::asio::posix::stream_descriptor::wait_read, |
| [](const boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr |
| << "err2 handler error: " << ec.message() |
| << "\n"; |
| return; |
| } |
| err2Handler(); |
| }); |
| } |
| |
| static void initializeErrorState() |
| { |
| // Handle CPU_CATERR if it's asserted now |
| if (caterrLine.get_value() == 0) |
| { |
| caterrAssertHandler(); |
| } |
| |
| // Handle CPU_ERR2 if it's asserted now |
| if (err2Line.get_value() == 0) |
| { |
| err2AssertHandler(); |
| } |
| } |
| } // namespace host_error_monitor |
| |
| int main(int argc, char* argv[]) |
| { |
| // setup connection to dbus |
| host_error_monitor::conn = |
| std::make_shared<sdbusplus::asio::connection>(host_error_monitor::io); |
| |
| // Host Error Monitor Object |
| host_error_monitor::conn->request_name( |
| "xyz.openbmc_project.HostErrorMonitor"); |
| sdbusplus::asio::object_server server = |
| sdbusplus::asio::object_server(host_error_monitor::conn); |
| |
| // Start tracking host state |
| std::shared_ptr<sdbusplus::bus::match::match> hostStateMonitor = |
| host_error_monitor::startHostStateMonitor(); |
| |
| // Initialize the host state |
| host_error_monitor::initializeHostState(); |
| |
| // Request CPU_CATERR GPIO events |
| if (!host_error_monitor::requestGPIOEvents( |
| "CPU_CATERR", host_error_monitor::caterrHandler, |
| host_error_monitor::caterrLine, host_error_monitor::caterrEvent)) |
| { |
| return -1; |
| } |
| |
| // Request CPU_ERR2 GPIO events |
| if (!host_error_monitor::requestGPIOEvents( |
| "CPU_ERR2", host_error_monitor::err2Handler, |
| host_error_monitor::err2Line, host_error_monitor::err2Event)) |
| { |
| return -1; |
| } |
| |
| // Request PCH_BMC_THERMTRIP GPIO events |
| if (!host_error_monitor::requestGPIOEvents( |
| "PCH_BMC_THERMTRIP", host_error_monitor::pchThermtripHandler, |
| host_error_monitor::pchThermtripLine, |
| host_error_monitor::pchThermtripEvent)) |
| { |
| return -1; |
| } |
| |
| host_error_monitor::io.run(); |
| |
| return 0; |
| } |