| /* |
| // Copyright (c) 2021 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. |
| */ |
| #pragma once |
| #include <peci.h> |
| |
| #include <sdbusplus/asio/object_server.hpp> |
| |
| #include <bitset> |
| #include <iostream> |
| |
| namespace host_error_monitor |
| { |
| using Association = std::tuple<std::string, std::string, std::string>; |
| |
| bool hostIsOff(); |
| |
| void startPowerCycle(std::shared_ptr<sdbusplus::asio::connection> conn) |
| { |
| 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"}); |
| } |
| |
| void startWarmReset(std::shared_ptr<sdbusplus::asio::connection> conn) |
| { |
| conn->async_method_call( |
| [](boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "failed to set Host State\n"; |
| } |
| }, |
| "xyz.openbmc_project.State.Host", "/xyz/openbmc_project/state/host0", |
| "org.freedesktop.DBus.Properties", "Set", |
| "xyz.openbmc_project.State.Host", "RequestedHostTransition", |
| std::variant<std::string>{ |
| "xyz.openbmc_project.State.Host.Transition.ForceWarmReboot"}); |
| } |
| |
| void startCrashdumpAndRecovery( |
| std::shared_ptr<sdbusplus::asio::connection> conn, bool recoverSystem, |
| const std::string& triggerType) |
| { |
| static bool recover; |
| recover = recoverSystem; |
| std::cerr << "Starting crashdump\n"; |
| static std::shared_ptr<sdbusplus::bus::match::match> crashdumpCompleteMatch; |
| |
| if (!crashdumpCompleteMatch) |
| { |
| crashdumpCompleteMatch = std::make_shared<sdbusplus::bus::match::match>( |
| *conn, |
| "type='signal',interface='com.intel.crashdump.Stored',member='" |
| "CrashdumpComplete'", |
| [conn](sdbusplus::message::message& msg) { |
| std::cerr << "Crashdump completed\n"; |
| if (recover) |
| { |
| std::cerr << "Recovering the system\n"; |
| startWarmReset(conn); |
| } |
| crashdumpCompleteMatch.reset(); |
| }); |
| } |
| |
| conn->async_method_call( |
| [](boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "failed to start Crashdump\n"; |
| } |
| }, |
| "com.intel.crashdump", "/com/intel/crashdump", |
| "com.intel.crashdump.Stored", "GenerateStoredLog", triggerType); |
| } |
| |
| static inline bool peciError(EPECIStatus peciStatus, uint8_t cc) |
| { |
| return ( |
| peciStatus != PECI_CC_SUCCESS || |
| (cc != PECI_DEV_CC_SUCCESS && cc != PECI_DEV_CC_FATAL_MCA_DETECTED)); |
| } |
| |
| static void printPECIError(const std::string& reg, const size_t addr, |
| const EPECIStatus peciStatus, const size_t cc) |
| { |
| std::cerr << "Failed to read " << reg << " on CPU address " << std::dec |
| << addr << ". Error: " << peciStatus << ": cc: 0x" << std::hex |
| << cc << "\n"; |
| } |
| |
| static void beep(std::shared_ptr<sdbusplus::asio::connection> conn, |
| const uint8_t& beepPriority) |
| { |
| conn->async_method_call( |
| [](boost::system::error_code ec) { |
| if (ec) |
| { |
| std::cerr << "beep returned error with " |
| "async_method_call (ec = " |
| << ec << ")\n"; |
| return; |
| } |
| }, |
| "xyz.openbmc_project.BeepCode", "/xyz/openbmc_project/BeepCode", |
| "xyz.openbmc_project.BeepCode", "Beep", uint8_t(beepPriority)); |
| } |
| |
| static void checkErrPinCPUs(const size_t errPin, |
| std::bitset<MAX_CPUS>& errPinCPUs) |
| { |
| errPinCPUs.reset(); |
| for (size_t cpu = 0, addr = MIN_CLIENT_ADDR; addr <= MAX_CLIENT_ADDR; |
| cpu++, addr++) |
| { |
| EPECIStatus peciStatus = PECI_CC_SUCCESS; |
| uint8_t cc = 0; |
| CPUModel model{}; |
| uint8_t stepping = 0; |
| peciStatus = peci_GetCPUID(addr, &model, &stepping, &cc); |
| if (peciStatus != PECI_CC_SUCCESS) |
| { |
| if (peciStatus != PECI_CC_CPU_NOT_PRESENT) |
| { |
| printPECIError("CPUID", addr, peciStatus, cc); |
| } |
| continue; |
| } |
| |
| switch (model) |
| { |
| case skx: |
| { |
| // Check the ERRPINSTS to see if this is the CPU that |
| // caused the ERRx (B(0) D8 F0 offset 210h) |
| uint32_t errpinsts = 0; |
| peciStatus = peci_RdPCIConfigLocal(addr, 0, 8, 0, 0x210, |
| sizeof(uint32_t), |
| (uint8_t*)&errpinsts, &cc); |
| if (peciError(peciStatus, cc)) |
| { |
| printPECIError("ERRPINSTS", addr, peciStatus, cc); |
| continue; |
| } |
| |
| errPinCPUs[cpu] = (errpinsts & (1 << errPin)) != 0; |
| break; |
| } |
| case icx: |
| { |
| // Check the ERRPINSTS to see if this is the CPU that |
| // caused the ERRx (B(30) D0 F3 offset 274h) (Note: Bus |
| // 30 is accessed on PECI as bus 13) |
| uint32_t errpinsts = 0; |
| peciStatus = peci_RdEndPointConfigPciLocal( |
| addr, 0, 13, 0, 3, 0x274, sizeof(uint32_t), |
| (uint8_t*)&errpinsts, &cc); |
| if (peciError(peciStatus, cc)) |
| { |
| printPECIError("ERRPINSTS", addr, peciStatus, cc); |
| continue; |
| } |
| |
| errPinCPUs[cpu] = (errpinsts & (1 << errPin)) != 0; |
| break; |
| } |
| default: |
| { |
| std::cerr << "Unsupported CPU Model: 0x" << std::hex |
| << static_cast<int>(model) << std::dec << "\n"; |
| } |
| } |
| } |
| } |
| |
| } // namespace host_error_monitor |