| #include "config.h" |
| |
| #include "power_supply.hpp" |
| |
| #include "types.hpp" |
| #include "util.hpp" |
| |
| #include <xyz/openbmc_project/Common/Device/error.hpp> |
| |
| #include <chrono> // sleep_for() |
| #include <cmath> |
| #include <cstdint> // uint8_t... |
| #include <format> |
| #include <fstream> |
| #include <regex> |
| #include <thread> // sleep_for() |
| |
| namespace phosphor::power::psu |
| { |
| // Amount of time in milliseconds to delay between power supply going from |
| // missing to present before running the bind command(s). |
| constexpr auto bindDelay = 1000; |
| |
| using namespace phosphor::logging; |
| using namespace sdbusplus::xyz::openbmc_project::Common::Device::Error; |
| |
| PowerSupply::PowerSupply( |
| sdbusplus::bus_t& bus, const std::string& invpath, std::uint8_t i2cbus, |
| std::uint16_t i2caddr, const std::string& driver, |
| const std::string& gpioLineName, std::function<bool()>&& callback) : |
| bus(bus), inventoryPath(invpath), |
| bindPath("/sys/bus/i2c/drivers/" + driver), isPowerOn(std::move(callback)), |
| driverName(driver) |
| { |
| if (inventoryPath.empty()) |
| { |
| throw std::invalid_argument{"Invalid empty inventoryPath"}; |
| } |
| |
| if (gpioLineName.empty()) |
| { |
| throw std::invalid_argument{"Invalid empty gpioLineName"}; |
| } |
| |
| shortName = findShortName(inventoryPath); |
| |
| log<level::DEBUG>( |
| std::format("{} gpioLineName: {}", shortName, gpioLineName).c_str()); |
| presenceGPIO = createGPIO(gpioLineName); |
| |
| std::ostringstream ss; |
| ss << std::hex << std::setw(4) << std::setfill('0') << i2caddr; |
| std::string addrStr = ss.str(); |
| std::string busStr = std::to_string(i2cbus); |
| bindDevice = busStr; |
| bindDevice.append("-"); |
| bindDevice.append(addrStr); |
| |
| pmbusIntf = phosphor::pmbus::createPMBus(i2cbus, addrStr); |
| |
| // Get the current state of the Present property. |
| try |
| { |
| updatePresenceGPIO(); |
| } |
| catch (...) |
| { |
| // If the above attempt to use the GPIO failed, it likely means that the |
| // GPIOs are in use by the kernel, meaning it is using gpio-keys. |
| // So, I should rely on phosphor-gpio-presence to update D-Bus, and |
| // work that way for power supply presence. |
| presenceGPIO = nullptr; |
| // Setup the functions to call when the D-Bus inventory path for the |
| // Present property changes. |
| presentMatch = std::make_unique<sdbusplus::bus::match_t>( |
| bus, |
| sdbusplus::bus::match::rules::propertiesChanged(inventoryPath, |
| INVENTORY_IFACE), |
| [this](auto& msg) { this->inventoryChanged(msg); }); |
| |
| presentAddedMatch = std::make_unique<sdbusplus::bus::match_t>( |
| bus, |
| sdbusplus::bus::match::rules::interfacesAdded() + |
| sdbusplus::bus::match::rules::argNpath(0, inventoryPath), |
| [this](auto& msg) { this->inventoryAdded(msg); }); |
| |
| updatePresence(); |
| updateInventory(); |
| setupSensors(); |
| } |
| |
| setInputVoltageRating(); |
| } |
| |
| void PowerSupply::bindOrUnbindDriver(bool present) |
| { |
| // Symbolic link to the device will exist if the driver is bound. |
| // So exit no action required if both the link and PSU are present |
| // or neither is present. |
| namespace fs = std::filesystem; |
| fs::path path; |
| auto action = (present) ? "bind" : "unbind"; |
| |
| // This case should not happen, if no device driver name return. |
| if (driverName.empty()) |
| { |
| log<level::INFO>("No device driver name found"); |
| return; |
| } |
| if (bindPath.string().find(driverName) != std::string::npos) |
| { |
| // bindPath has driver name |
| path = bindPath / action; |
| } |
| else |
| { |
| // Add driver name to bindPath |
| path = bindPath / driverName / action; |
| bindPath = bindPath / driverName; |
| } |
| |
| if ((std::filesystem::exists(bindPath / bindDevice) && present) || |
| (!std::filesystem::exists(bindPath / bindDevice) && !present)) |
| { |
| return; |
| } |
| if (present) |
| { |
| std::this_thread::sleep_for(std::chrono::milliseconds(bindDelay)); |
| log<level::INFO>( |
| std::format("Binding device driver. path: {} device: {}", |
| path.string(), bindDevice) |
| .c_str()); |
| } |
| else |
| { |
| log<level::INFO>( |
| std::format("Unbinding device driver. path: {} device: {}", |
| path.string(), bindDevice) |
| .c_str()); |
| } |
| |
| std::ofstream file; |
| |
| file.exceptions(std::ofstream::failbit | std::ofstream::badbit | |
| std::ofstream::eofbit); |
| |
| try |
| { |
| file.open(path); |
| file << bindDevice; |
| file.close(); |
| } |
| catch (const std::exception& e) |
| { |
| auto err = errno; |
| |
| log<level::ERR>( |
| std::format("Failed binding or unbinding device. errno={}", err) |
| .c_str()); |
| } |
| } |
| |
| void PowerSupply::updatePresence() |
| { |
| try |
| { |
| present = getPresence(bus, inventoryPath); |
| } |
| catch (const sdbusplus::exception_t& e) |
| { |
| // Relying on property change or interface added to retry. |
| // Log an informational trace to the journal. |
| log<level::INFO>( |
| std::format("D-Bus property {} access failure exception", |
| inventoryPath) |
| .c_str()); |
| } |
| } |
| |
| void PowerSupply::updatePresenceGPIO() |
| { |
| bool presentOld = present; |
| |
| try |
| { |
| if (presenceGPIO->read() > 0) |
| { |
| present = true; |
| } |
| else |
| { |
| present = false; |
| } |
| } |
| catch (const std::exception& e) |
| { |
| log<level::ERR>( |
| std::format("presenceGPIO read fail: {}", e.what()).c_str()); |
| throw; |
| } |
| |
| if (presentOld != present) |
| { |
| log<level::DEBUG>(std::format("{} presentOld: {} present: {}", |
| shortName, presentOld, present) |
| .c_str()); |
| |
| auto invpath = inventoryPath.substr(strlen(INVENTORY_OBJ_PATH)); |
| |
| bindOrUnbindDriver(present); |
| if (present) |
| { |
| // If the power supply was present, then missing, and present again, |
| // the hwmon path may have changed. We will need the correct/updated |
| // path before any reads or writes are attempted. |
| pmbusIntf->findHwmonDir(); |
| } |
| |
| setPresence(bus, invpath, present, shortName); |
| setupSensors(); |
| updateInventory(); |
| |
| // Need Functional to already be correct before calling this. |
| checkAvailability(); |
| |
| if (present) |
| { |
| onOffConfig(phosphor::pmbus::ON_OFF_CONFIG_CONTROL_PIN_ONLY); |
| clearFaults(); |
| // Indicate that the input history data and timestamps between all |
| // the power supplies that are present in the system need to be |
| // synchronized. |
| syncHistoryRequired = true; |
| } |
| else |
| { |
| setSensorsNotAvailable(); |
| } |
| } |
| } |
| |
| void PowerSupply::analyzeCMLFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::CML_FAULT) |
| { |
| if (cmlFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format("{} CML fault: STATUS_WORD = {:#06x}, " |
| "STATUS_CML = {:#02x}", |
| shortName, statusWord, statusCML) |
| .c_str()); |
| } |
| cmlFault++; |
| } |
| } |
| else |
| { |
| cmlFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeInputFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::INPUT_FAULT_WARN) |
| { |
| if (inputFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format("{} INPUT fault: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_INPUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusInput) |
| .c_str()); |
| } |
| inputFault++; |
| } |
| } |
| |
| // If had INPUT/VIN_UV fault, and now off. |
| // Trace that odd behavior. |
| if (inputFault && |
| !(statusWord & phosphor::pmbus::status_word::INPUT_FAULT_WARN)) |
| { |
| log<level::INFO>( |
| std::format("{} INPUT fault cleared: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_INPUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusInput) |
| .c_str()); |
| inputFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeVoutOVFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::VOUT_OV_FAULT) |
| { |
| if (voutOVFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format( |
| "{} VOUT_OV_FAULT fault: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_VOUT = {:#02x}", |
| shortName, statusWord, statusMFR, statusVout) |
| .c_str()); |
| } |
| |
| voutOVFault++; |
| } |
| } |
| else |
| { |
| voutOVFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeIoutOCFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::IOUT_OC_FAULT) |
| { |
| if (ioutOCFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format("{} IOUT fault: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_IOUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusIout) |
| .c_str()); |
| } |
| |
| ioutOCFault++; |
| } |
| } |
| else |
| { |
| ioutOCFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeVoutUVFault() |
| { |
| if ((statusWord & phosphor::pmbus::status_word::VOUT_FAULT) && |
| !(statusWord & phosphor::pmbus::status_word::VOUT_OV_FAULT)) |
| { |
| if (voutUVFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format( |
| "{} VOUT_UV_FAULT fault: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_VOUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusVout) |
| .c_str()); |
| } |
| voutUVFault++; |
| } |
| } |
| else |
| { |
| voutUVFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeFanFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::FAN_FAULT) |
| { |
| if (fanFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format("{} FANS fault/warning: " |
| "STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_FANS_1_2 = {:#04x}", |
| shortName, statusWord, statusMFR, statusFans12) |
| .c_str()); |
| } |
| fanFault++; |
| } |
| } |
| else |
| { |
| fanFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeTemperatureFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::TEMPERATURE_FAULT_WARN) |
| { |
| if (tempFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>(std::format("{} TEMPERATURE fault/warning: " |
| "STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_TEMPERATURE = {:#04x}", |
| shortName, statusWord, statusMFR, |
| statusTemperature) |
| .c_str()); |
| } |
| tempFault++; |
| } |
| } |
| else |
| { |
| tempFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzePgoodFault() |
| { |
| if ((statusWord & phosphor::pmbus::status_word::POWER_GOOD_NEGATED) || |
| (statusWord & phosphor::pmbus::status_word::UNIT_IS_OFF)) |
| { |
| if (pgoodFault < PGOOD_DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>(std::format("{} PGOOD fault: " |
| "STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}", |
| shortName, statusWord, statusMFR) |
| .c_str()); |
| } |
| pgoodFault++; |
| } |
| } |
| else |
| { |
| pgoodFault = 0; |
| } |
| } |
| |
| void PowerSupply::determineMFRFault() |
| { |
| if (bindPath.string().find(IBMCFFPS_DD_NAME) != std::string::npos) |
| { |
| // IBM MFR_SPECIFIC[4] is PS_Kill fault |
| if (statusMFR & 0x10) |
| { |
| if (psKillFault < DEGLITCH_LIMIT) |
| { |
| psKillFault++; |
| } |
| } |
| else |
| { |
| psKillFault = 0; |
| } |
| // IBM MFR_SPECIFIC[6] is 12Vcs fault. |
| if (statusMFR & 0x40) |
| { |
| if (ps12VcsFault < DEGLITCH_LIMIT) |
| { |
| ps12VcsFault++; |
| } |
| } |
| else |
| { |
| ps12VcsFault = 0; |
| } |
| // IBM MFR_SPECIFIC[7] is 12V Current-Share fault. |
| if (statusMFR & 0x80) |
| { |
| if (psCS12VFault < DEGLITCH_LIMIT) |
| { |
| psCS12VFault++; |
| } |
| } |
| else |
| { |
| psCS12VFault = 0; |
| } |
| } |
| } |
| |
| void PowerSupply::analyzeMFRFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::MFR_SPECIFIC_FAULT) |
| { |
| if (mfrFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>(std::format("{} MFR fault: " |
| "STATUS_WORD = {:#06x} " |
| "STATUS_MFR_SPECIFIC = {:#04x}", |
| shortName, statusWord, statusMFR) |
| .c_str()); |
| } |
| mfrFault++; |
| } |
| |
| determineMFRFault(); |
| } |
| else |
| { |
| mfrFault = 0; |
| } |
| } |
| |
| void PowerSupply::analyzeVinUVFault() |
| { |
| if (statusWord & phosphor::pmbus::status_word::VIN_UV_FAULT) |
| { |
| if (vinUVFault < DEGLITCH_LIMIT) |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::ERR>( |
| std::format("{} VIN_UV fault: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_INPUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusInput) |
| .c_str()); |
| } |
| vinUVFault++; |
| } |
| // Remember that this PSU has seen an AC fault |
| acFault = AC_FAULT_LIMIT; |
| } |
| else |
| { |
| if (vinUVFault != 0) |
| { |
| log<level::INFO>( |
| std::format("{} VIN_UV fault cleared: STATUS_WORD = {:#06x}, " |
| "STATUS_MFR_SPECIFIC = {:#04x}, " |
| "STATUS_INPUT = {:#04x}", |
| shortName, statusWord, statusMFR, statusInput) |
| .c_str()); |
| vinUVFault = 0; |
| } |
| // No AC fail, decrement counter |
| if (acFault != 0) |
| { |
| --acFault; |
| } |
| } |
| } |
| |
| void PowerSupply::analyze() |
| { |
| using namespace phosphor::pmbus; |
| |
| if (presenceGPIO) |
| { |
| updatePresenceGPIO(); |
| } |
| |
| if (present) |
| { |
| try |
| { |
| statusWordOld = statusWord; |
| statusWord = pmbusIntf->read(STATUS_WORD, Type::Debug, |
| (readFail < LOG_LIMIT)); |
| // Read worked, reset the fail count. |
| readFail = 0; |
| |
| if (statusWord) |
| { |
| statusInput = pmbusIntf->read(STATUS_INPUT, Type::Debug); |
| if (bindPath.string().find(IBMCFFPS_DD_NAME) != |
| std::string::npos) |
| { |
| statusMFR = pmbusIntf->read(STATUS_MFR, Type::Debug); |
| } |
| statusCML = pmbusIntf->read(STATUS_CML, Type::Debug); |
| auto status0Vout = pmbusIntf->insertPageNum(STATUS_VOUT, 0); |
| statusVout = pmbusIntf->read(status0Vout, Type::Debug); |
| statusIout = pmbusIntf->read(STATUS_IOUT, Type::Debug); |
| statusFans12 = pmbusIntf->read(STATUS_FANS_1_2, Type::Debug); |
| statusTemperature = |
| pmbusIntf->read(STATUS_TEMPERATURE, Type::Debug); |
| |
| analyzeCMLFault(); |
| |
| analyzeInputFault(); |
| |
| analyzeVoutOVFault(); |
| |
| analyzeIoutOCFault(); |
| |
| analyzeVoutUVFault(); |
| |
| analyzeFanFault(); |
| |
| analyzeTemperatureFault(); |
| |
| analyzePgoodFault(); |
| |
| analyzeMFRFault(); |
| |
| analyzeVinUVFault(); |
| } |
| else |
| { |
| if (statusWord != statusWordOld) |
| { |
| log<level::INFO>(std::format("{} STATUS_WORD = {:#06x}", |
| shortName, statusWord) |
| .c_str()); |
| } |
| |
| // if INPUT/VIN_UV fault was on, it cleared, trace it. |
| if (inputFault) |
| { |
| log<level::INFO>( |
| std::format( |
| "{} INPUT fault cleared: STATUS_WORD = {:#06x}", |
| shortName, statusWord) |
| .c_str()); |
| } |
| |
| if (vinUVFault) |
| { |
| log<level::INFO>( |
| std::format("{} VIN_UV cleared: STATUS_WORD = {:#06x}", |
| shortName, statusWord) |
| .c_str()); |
| } |
| |
| if (pgoodFault > 0) |
| { |
| log<level::INFO>( |
| std::format("{} pgoodFault cleared", shortName) |
| .c_str()); |
| } |
| |
| clearFaultFlags(); |
| // No AC fail, decrement counter |
| if (acFault != 0) |
| { |
| --acFault; |
| } |
| } |
| |
| // Save off old inputVoltage value. |
| // Get latest inputVoltage. |
| // If voltage went from below minimum, and now is not, clear faults. |
| // Note: getInputVoltage() has its own try/catch. |
| int inputVoltageOld = inputVoltage; |
| double actualInputVoltageOld = actualInputVoltage; |
| getInputVoltage(actualInputVoltage, inputVoltage); |
| if ((inputVoltageOld == in_input::VIN_VOLTAGE_0) && |
| (inputVoltage != in_input::VIN_VOLTAGE_0)) |
| { |
| log<level::INFO>( |
| std::format( |
| "{} READ_VIN back in range: actualInputVoltageOld = {} " |
| "actualInputVoltage = {}", |
| shortName, actualInputVoltageOld, actualInputVoltage) |
| .c_str()); |
| clearVinUVFault(); |
| } |
| else if (vinUVFault && (inputVoltage != in_input::VIN_VOLTAGE_0)) |
| { |
| log<level::INFO>( |
| std::format( |
| "{} CLEAR_FAULTS: vinUVFault {} actualInputVoltage {}", |
| shortName, vinUVFault, actualInputVoltage) |
| .c_str()); |
| // Do we have a VIN_UV fault latched that can now be cleared |
| // due to voltage back in range? Attempt to clear the |
| // fault(s), re-check faults on next call. |
| clearVinUVFault(); |
| } |
| else if (std::abs(actualInputVoltageOld - actualInputVoltage) > |
| 10.0) |
| { |
| log<level::INFO>( |
| std::format( |
| "{} actualInputVoltageOld = {} actualInputVoltage = {}", |
| shortName, actualInputVoltageOld, actualInputVoltage) |
| .c_str()); |
| } |
| |
| monitorSensors(); |
| |
| checkAvailability(); |
| } |
| catch (const ReadFailure& e) |
| { |
| if (readFail < SIZE_MAX) |
| { |
| readFail++; |
| } |
| if (readFail == LOG_LIMIT) |
| { |
| phosphor::logging::commit<ReadFailure>(); |
| } |
| } |
| } |
| } |
| |
| void PowerSupply::onOffConfig(uint8_t data) |
| { |
| using namespace phosphor::pmbus; |
| |
| if (present && driverName != ACBEL_FSG032_DD_NAME) |
| { |
| log<level::INFO>("ON_OFF_CONFIG write", entry("DATA=0x%02X", data)); |
| try |
| { |
| std::vector<uint8_t> configData{data}; |
| pmbusIntf->writeBinary(ON_OFF_CONFIG, configData, |
| Type::HwmonDeviceDebug); |
| } |
| catch (...) |
| { |
| // The underlying code in writeBinary will log a message to the |
| // journal if the write fails. If the ON_OFF_CONFIG is not setup |
| // as desired, later fault detection and analysis code should |
| // catch any of the fall out. We should not need to terminate |
| // the application if this write fails. |
| } |
| } |
| } |
| |
| void PowerSupply::clearVinUVFault() |
| { |
| // Read in1_lcrit_alarm to clear bits 3 and 4 of STATUS_INPUT. |
| // The fault bits in STAUTS_INPUT roll-up to STATUS_WORD. Clearing those |
| // bits in STATUS_INPUT should result in the corresponding STATUS_WORD bits |
| // also clearing. |
| // |
| // Do not care about return value. Should be 1 if active, 0 if not. |
| if (driverName != ACBEL_FSG032_DD_NAME) |
| { |
| static_cast<void>( |
| pmbusIntf->read("in1_lcrit_alarm", phosphor::pmbus::Type::Hwmon)); |
| } |
| else |
| { |
| static_cast<void>( |
| pmbusIntf->read("curr1_crit_alarm", phosphor::pmbus::Type::Hwmon)); |
| } |
| vinUVFault = 0; |
| } |
| |
| void PowerSupply::clearFaults() |
| { |
| log<level::DEBUG>( |
| std::format("clearFaults() inventoryPath: {}", inventoryPath).c_str()); |
| faultLogged = false; |
| // The PMBus device driver does not allow for writing CLEAR_FAULTS |
| // directly. However, the pmbus hwmon device driver code will send a |
| // CLEAR_FAULTS after reading from any of the hwmon "files" in sysfs, so |
| // reading in1_input should result in clearing the fault bits in |
| // STATUS_BYTE/STATUS_WORD. |
| // I do not care what the return value is. |
| if (present) |
| { |
| clearFaultFlags(); |
| checkAvailability(); |
| readFail = 0; |
| |
| try |
| { |
| clearVinUVFault(); |
| static_cast<void>( |
| pmbusIntf->read("in1_input", phosphor::pmbus::Type::Hwmon)); |
| } |
| catch (const ReadFailure& e) |
| { |
| // Since I do not care what the return value is, I really do not |
| // care much if it gets a ReadFailure either. However, this |
| // should not prevent the application from continuing to run, so |
| // catching the read failure. |
| } |
| } |
| } |
| |
| void PowerSupply::inventoryChanged(sdbusplus::message_t& msg) |
| { |
| std::string msgSensor; |
| std::map<std::string, std::variant<uint32_t, bool>> msgData; |
| msg.read(msgSensor, msgData); |
| |
| // Check if it was the Present property that changed. |
| auto valPropMap = msgData.find(PRESENT_PROP); |
| if (valPropMap != msgData.end()) |
| { |
| if (std::get<bool>(valPropMap->second)) |
| { |
| present = true; |
| // TODO: Immediately trying to read or write the "files" causes |
| // read or write failures. |
| using namespace std::chrono_literals; |
| std::this_thread::sleep_for(20ms); |
| pmbusIntf->findHwmonDir(); |
| onOffConfig(phosphor::pmbus::ON_OFF_CONFIG_CONTROL_PIN_ONLY); |
| clearFaults(); |
| updateInventory(); |
| } |
| else |
| { |
| present = false; |
| |
| // Clear out the now outdated inventory properties |
| updateInventory(); |
| } |
| checkAvailability(); |
| } |
| } |
| |
| void PowerSupply::inventoryAdded(sdbusplus::message_t& msg) |
| { |
| sdbusplus::message::object_path path; |
| msg.read(path); |
| // Make sure the signal is for the PSU inventory path |
| if (path == inventoryPath) |
| { |
| std::map<std::string, std::map<std::string, std::variant<bool>>> |
| interfaces; |
| // Get map of interfaces and their properties |
| msg.read(interfaces); |
| |
| auto properties = interfaces.find(INVENTORY_IFACE); |
| if (properties != interfaces.end()) |
| { |
| auto property = properties->second.find(PRESENT_PROP); |
| if (property != properties->second.end()) |
| { |
| present = std::get<bool>(property->second); |
| |
| log<level::INFO>(std::format("Power Supply {} Present {}", |
| inventoryPath, present) |
| .c_str()); |
| |
| updateInventory(); |
| checkAvailability(); |
| } |
| } |
| } |
| } |
| |
| auto PowerSupply::readVPDValue(const std::string& vpdName, |
| const phosphor::pmbus::Type& type, |
| const std::size_t& vpdSize) |
| { |
| std::string vpdValue; |
| const std::regex illegalVPDRegex = |
| std::regex("[^[:alnum:]]", std::regex::basic); |
| |
| try |
| { |
| vpdValue = pmbusIntf->readString(vpdName, type); |
| } |
| catch (const ReadFailure& e) |
| { |
| // Ignore the read failure, let pmbus code indicate failure, |
| // path... |
| // TODO - ibm918 |
| // https://github.com/openbmc/docs/blob/master/designs/vpd-collection.md |
| // The BMC must log errors if any of the VPD cannot be properly |
| // parsed or fails ECC checks. |
| } |
| |
| if (vpdValue.size() != vpdSize) |
| { |
| log<level::INFO>(std::format("{} {} resize needed. size: {}", shortName, |
| vpdName, vpdValue.size()) |
| .c_str()); |
| vpdValue.resize(vpdSize, ' '); |
| } |
| |
| // Replace any illegal values with space(s). |
| std::regex_replace(vpdValue.begin(), vpdValue.begin(), vpdValue.end(), |
| illegalVPDRegex, " "); |
| |
| return vpdValue; |
| } |
| |
| void PowerSupply::updateInventory() |
| { |
| using namespace phosphor::pmbus; |
| |
| #if IBM_VPD |
| std::string pn; |
| std::string fn; |
| std::string header; |
| std::string sn; |
| // The IBM power supply splits the full serial number into two parts. |
| // Each part is 6 bytes long, which should match up with SN_KW_SIZE. |
| const auto HEADER_SIZE = 6; |
| const auto SERIAL_SIZE = 6; |
| // The IBM PSU firmware version size is a bit complicated. It was originally |
| // 1-byte, per command. It was later expanded to 2-bytes per command, then |
| // up to 8-bytes per command. The device driver only reads up to 2 bytes per |
| // command, but combines all three of the 2-byte reads, or all 4 of the |
| // 1-byte reads into one string. So, the maximum size expected is 6 bytes. |
| // However, it is formatted by the driver as a hex string with two ASCII |
| // characters per byte. So the maximum ASCII string size is 12. |
| const auto IBMCFFPS_FW_VERSION_SIZE = 12; |
| const auto ACBEL_FSG032_FW_VERSION_SIZE = 6; |
| |
| using PropertyMap = |
| std::map<std::string, |
| std::variant<std::string, std::vector<uint8_t>, bool>>; |
| PropertyMap assetProps; |
| PropertyMap operProps; |
| PropertyMap versionProps; |
| PropertyMap ipzvpdDINFProps; |
| PropertyMap ipzvpdVINIProps; |
| using InterfaceMap = std::map<std::string, PropertyMap>; |
| InterfaceMap interfaces; |
| using ObjectMap = std::map<sdbusplus::message::object_path, InterfaceMap>; |
| ObjectMap object; |
| #endif |
| log<level::DEBUG>( |
| std::format("updateInventory() inventoryPath: {}", inventoryPath) |
| .c_str()); |
| |
| if (present) |
| { |
| // TODO: non-IBM inventory updates? |
| |
| #if IBM_VPD |
| if (driverName == ACBEL_FSG032_DD_NAME) |
| { |
| getPsuVpdFromDbus("CC", modelName); |
| getPsuVpdFromDbus("PN", pn); |
| getPsuVpdFromDbus("FN", fn); |
| getPsuVpdFromDbus("SN", sn); |
| assetProps.emplace(SN_PROP, sn); |
| fwVersion = readVPDValue(FW_VERSION, Type::Debug, |
| ACBEL_FSG032_FW_VERSION_SIZE); |
| versionProps.emplace(VERSION_PROP, fwVersion); |
| } |
| else |
| { |
| modelName = readVPDValue(CCIN, Type::HwmonDeviceDebug, CC_KW_SIZE); |
| pn = readVPDValue(PART_NUMBER, Type::Debug, PN_KW_SIZE); |
| fn = readVPDValue(FRU_NUMBER, Type::Debug, FN_KW_SIZE); |
| |
| header = readVPDValue(SERIAL_HEADER, Type::Debug, HEADER_SIZE); |
| sn = readVPDValue(SERIAL_NUMBER, Type::Debug, SERIAL_SIZE); |
| assetProps.emplace(SN_PROP, header + sn); |
| fwVersion = readVPDValue(FW_VERSION, Type::HwmonDeviceDebug, |
| IBMCFFPS_FW_VERSION_SIZE); |
| versionProps.emplace(VERSION_PROP, fwVersion); |
| } |
| |
| assetProps.emplace(MODEL_PROP, modelName); |
| assetProps.emplace(PN_PROP, pn); |
| assetProps.emplace(SPARE_PN_PROP, fn); |
| |
| ipzvpdVINIProps.emplace( |
| "CC", std::vector<uint8_t>(modelName.begin(), modelName.end())); |
| ipzvpdVINIProps.emplace("PN", |
| std::vector<uint8_t>(pn.begin(), pn.end())); |
| ipzvpdVINIProps.emplace("FN", |
| std::vector<uint8_t>(fn.begin(), fn.end())); |
| std::string header_sn = header + sn; |
| ipzvpdVINIProps.emplace( |
| "SN", std::vector<uint8_t>(header_sn.begin(), header_sn.end())); |
| std::string description = "IBM PS"; |
| ipzvpdVINIProps.emplace( |
| "DR", std::vector<uint8_t>(description.begin(), description.end())); |
| |
| // Populate the VINI Resource Type (RT) keyword |
| ipzvpdVINIProps.emplace("RT", std::vector<uint8_t>{'V', 'I', 'N', 'I'}); |
| |
| // Update the Resource Identifier (RI) keyword |
| // 2 byte FRC: 0x0003 |
| // 2 byte RID: 0x1000, 0x1001... |
| std::uint8_t num = std::stoul( |
| inventoryPath.substr(inventoryPath.size() - 1, 1), nullptr, 0); |
| std::vector<uint8_t> ri{0x00, 0x03, 0x10, num}; |
| ipzvpdDINFProps.emplace("RI", ri); |
| |
| // Fill in the FRU Label (FL) keyword. |
| std::string fl = "E"; |
| fl.push_back(inventoryPath.back()); |
| fl.resize(FL_KW_SIZE, ' '); |
| ipzvpdDINFProps.emplace("FL", |
| std::vector<uint8_t>(fl.begin(), fl.end())); |
| |
| // Populate the DINF Resource Type (RT) keyword |
| ipzvpdDINFProps.emplace("RT", std::vector<uint8_t>{'D', 'I', 'N', 'F'}); |
| |
| interfaces.emplace(ASSET_IFACE, std::move(assetProps)); |
| interfaces.emplace(VERSION_IFACE, std::move(versionProps)); |
| interfaces.emplace(DINF_IFACE, std::move(ipzvpdDINFProps)); |
| interfaces.emplace(VINI_IFACE, std::move(ipzvpdVINIProps)); |
| |
| // Update the Functional |
| operProps.emplace(FUNCTIONAL_PROP, present); |
| interfaces.emplace(OPERATIONAL_STATE_IFACE, std::move(operProps)); |
| |
| auto path = inventoryPath.substr(strlen(INVENTORY_OBJ_PATH)); |
| object.emplace(path, std::move(interfaces)); |
| |
| try |
| { |
| auto service = |
| util::getService(INVENTORY_OBJ_PATH, INVENTORY_MGR_IFACE, bus); |
| |
| if (service.empty()) |
| { |
| log<level::ERR>("Unable to get inventory manager service"); |
| return; |
| } |
| |
| auto method = |
| bus.new_method_call(service.c_str(), INVENTORY_OBJ_PATH, |
| INVENTORY_MGR_IFACE, "Notify"); |
| |
| method.append(std::move(object)); |
| |
| auto reply = bus.call(method); |
| } |
| catch (const std::exception& e) |
| { |
| log<level::ERR>( |
| std::string(e.what() + std::string(" PATH=") + inventoryPath) |
| .c_str()); |
| } |
| #endif |
| } |
| } |
| |
| auto PowerSupply::getMaxPowerOut() const |
| { |
| using namespace phosphor::pmbus; |
| |
| auto maxPowerOut = 0; |
| |
| if (present) |
| { |
| try |
| { |
| // Read max_power_out, should be direct format |
| auto maxPowerOutStr = |
| pmbusIntf->readString(MFR_POUT_MAX, Type::HwmonDeviceDebug); |
| log<level::INFO>(std::format("{} MFR_POUT_MAX read {}", shortName, |
| maxPowerOutStr) |
| .c_str()); |
| maxPowerOut = std::stod(maxPowerOutStr); |
| } |
| catch (const std::exception& e) |
| { |
| log<level::ERR>(std::format("{} MFR_POUT_MAX read error: {}", |
| shortName, e.what()) |
| .c_str()); |
| } |
| } |
| |
| return maxPowerOut; |
| } |
| |
| void PowerSupply::setupSensors() |
| { |
| setupInputPowerPeakSensor(); |
| } |
| |
| void PowerSupply::setupInputPowerPeakSensor() |
| { |
| if (peakInputPowerSensor || !present || |
| (bindPath.string().find(IBMCFFPS_DD_NAME) == std::string::npos)) |
| { |
| return; |
| } |
| |
| // This PSU has problems with the input_history command |
| if (getMaxPowerOut() == phosphor::pmbus::IBM_CFFPS_1400W) |
| { |
| return; |
| } |
| |
| auto sensorPath = |
| std::format("/xyz/openbmc_project/sensors/power/ps{}_input_power_peak", |
| shortName.back()); |
| |
| peakInputPowerSensor = std::make_unique<PowerSensorObject>( |
| bus, sensorPath.c_str(), PowerSensorObject::action::defer_emit); |
| |
| // The others can remain at the defaults. |
| peakInputPowerSensor->functional(true, true); |
| peakInputPowerSensor->available(true, true); |
| peakInputPowerSensor->value(0, true); |
| peakInputPowerSensor->unit( |
| sdbusplus::xyz::openbmc_project::Sensor::server::Value::Unit::Watts, |
| true); |
| |
| auto associations = getSensorAssociations(); |
| peakInputPowerSensor->associations(associations, true); |
| |
| peakInputPowerSensor->emit_object_added(); |
| } |
| |
| void PowerSupply::setSensorsNotAvailable() |
| { |
| if (peakInputPowerSensor) |
| { |
| peakInputPowerSensor->value(std::numeric_limits<double>::quiet_NaN()); |
| peakInputPowerSensor->available(false); |
| } |
| } |
| |
| void PowerSupply::monitorSensors() |
| { |
| monitorPeakInputPowerSensor(); |
| } |
| |
| void PowerSupply::monitorPeakInputPowerSensor() |
| { |
| if (!peakInputPowerSensor) |
| { |
| return; |
| } |
| |
| constexpr size_t recordSize = 5; |
| std::vector<uint8_t> data; |
| |
| // Get the peak input power with input history command. |
| // New data only shows up every 30s, but just try to read it every 1s |
| // anyway so we always have the most up to date value. |
| try |
| { |
| data = pmbusIntf->readBinary(INPUT_HISTORY, |
| pmbus::Type::HwmonDeviceDebug, recordSize); |
| } |
| catch (const ReadFailure& e) |
| { |
| peakInputPowerSensor->value(std::numeric_limits<double>::quiet_NaN()); |
| peakInputPowerSensor->functional(false); |
| throw; |
| } |
| |
| if (data.size() != recordSize) |
| { |
| log<level::DEBUG>( |
| std::format("Input history command returned {} bytes instead of 5", |
| data.size()) |
| .c_str()); |
| peakInputPowerSensor->value(std::numeric_limits<double>::quiet_NaN()); |
| peakInputPowerSensor->functional(false); |
| return; |
| } |
| |
| // The format is SSAAAAPPPP: |
| // SS = packet sequence number |
| // AAAA = average power (linear format, little endian) |
| // PPPP = peak power (linear format, little endian) |
| auto peak = static_cast<uint16_t>(data[4]) << 8 | data[3]; |
| auto peakPower = linearToInteger(peak); |
| |
| peakInputPowerSensor->value(peakPower); |
| peakInputPowerSensor->functional(true); |
| peakInputPowerSensor->available(true); |
| } |
| |
| void PowerSupply::getInputVoltage(double& actualInputVoltage, |
| int& inputVoltage) const |
| { |
| using namespace phosphor::pmbus; |
| |
| actualInputVoltage = in_input::VIN_VOLTAGE_0; |
| inputVoltage = in_input::VIN_VOLTAGE_0; |
| |
| if (present) |
| { |
| try |
| { |
| // Read input voltage in millivolts |
| auto inputVoltageStr = pmbusIntf->readString(READ_VIN, Type::Hwmon); |
| |
| // Convert to volts |
| actualInputVoltage = std::stod(inputVoltageStr) / 1000; |
| |
| // Calculate the voltage based on voltage thresholds |
| if (actualInputVoltage < in_input::VIN_VOLTAGE_MIN) |
| { |
| inputVoltage = in_input::VIN_VOLTAGE_0; |
| } |
| else if (actualInputVoltage < in_input::VIN_VOLTAGE_110_THRESHOLD) |
| { |
| inputVoltage = in_input::VIN_VOLTAGE_110; |
| } |
| else |
| { |
| inputVoltage = in_input::VIN_VOLTAGE_220; |
| } |
| } |
| catch (const std::exception& e) |
| { |
| log<level::ERR>( |
| std::format("{} READ_VIN read error: {}", shortName, e.what()) |
| .c_str()); |
| } |
| } |
| } |
| |
| void PowerSupply::checkAvailability() |
| { |
| bool origAvailability = available; |
| bool faulted = isPowerOn() && (hasPSKillFault() || hasIoutOCFault()); |
| available = present && !hasInputFault() && !hasVINUVFault() && !faulted; |
| |
| if (origAvailability != available) |
| { |
| auto invpath = inventoryPath.substr(strlen(INVENTORY_OBJ_PATH)); |
| phosphor::power::psu::setAvailable(bus, invpath, available); |
| |
| // Check if the health rollup needs to change based on the |
| // new availability value. |
| phosphor::power::psu::handleChassisHealthRollup(bus, inventoryPath, |
| !available); |
| } |
| } |
| |
| void PowerSupply::setInputVoltageRating() |
| { |
| if (!present) |
| { |
| if (inputVoltageRatingIface) |
| { |
| inputVoltageRatingIface->value(0); |
| inputVoltageRatingIface.reset(); |
| } |
| return; |
| } |
| |
| double inputVoltageValue{}; |
| int inputVoltageRating{}; |
| getInputVoltage(inputVoltageValue, inputVoltageRating); |
| |
| if (!inputVoltageRatingIface) |
| { |
| auto path = std::format( |
| "/xyz/openbmc_project/sensors/voltage/ps{}_input_voltage_rating", |
| shortName.back()); |
| |
| inputVoltageRatingIface = std::make_unique<SensorObject>( |
| bus, path.c_str(), SensorObject::action::defer_emit); |
| |
| // Leave other properties at their defaults |
| inputVoltageRatingIface->unit(SensorInterface::Unit::Volts, true); |
| inputVoltageRatingIface->value(static_cast<double>(inputVoltageRating), |
| true); |
| |
| inputVoltageRatingIface->emit_object_added(); |
| } |
| else |
| { |
| inputVoltageRatingIface->value(static_cast<double>(inputVoltageRating)); |
| } |
| } |
| |
| void PowerSupply::getPsuVpdFromDbus(const std::string& keyword, |
| std::string& vpdStr) |
| { |
| try |
| { |
| std::vector<uint8_t> value; |
| vpdStr.clear(); |
| util::getProperty(VINI_IFACE, keyword, inventoryPath, |
| INVENTORY_MGR_IFACE, bus, value); |
| for (char c : value) |
| { |
| vpdStr += c; |
| } |
| } |
| catch (const sdbusplus::exception_t& e) |
| { |
| log<level::ERR>( |
| std::format("Failed getProperty error: {}", e.what()).c_str()); |
| } |
| } |
| |
| double PowerSupply::linearToInteger(uint16_t data) |
| { |
| // The exponent is the first 5 bits, followed by 11 bits of mantissa. |
| int8_t exponent = (data & 0xF800) >> 11; |
| int16_t mantissa = (data & 0x07FF); |
| |
| // If exponent's MSB on, then it's negative. |
| // Convert from two's complement. |
| if (exponent & 0x10) |
| { |
| exponent = (~exponent) & 0x1F; |
| exponent = (exponent + 1) * -1; |
| } |
| |
| // If mantissa's MSB on, then it's negative. |
| // Convert from two's complement. |
| if (mantissa & 0x400) |
| { |
| mantissa = (~mantissa) & 0x07FF; |
| mantissa = (mantissa + 1) * -1; |
| } |
| |
| auto value = static_cast<double>(mantissa) * pow(2, exponent); |
| return value; |
| } |
| |
| std::vector<AssociationTuple> PowerSupply::getSensorAssociations() |
| { |
| std::vector<AssociationTuple> associations; |
| |
| associations.emplace_back("inventory", "sensors", inventoryPath); |
| |
| auto chassis = getChassis(bus, inventoryPath); |
| associations.emplace_back("chassis", "all_sensors", std::move(chassis)); |
| |
| return associations; |
| } |
| |
| } // namespace phosphor::power::psu |