/** * Copyright © 2019 IBM 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 "config.h" #include "data_interface.hpp" #include "util.hpp" #include #include #include #include #include #include // Use a timeout of 10s for D-Bus calls so if there are // timeouts the callers of the PEL creation method won't // also timeout. constexpr auto dbusTimeout = 10000000; namespace openpower { namespace pels { namespace service_name { constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper"; constexpr auto vpdManager = "com.ibm.VPD.Manager"; constexpr auto ledGroupManager = "xyz.openbmc_project.LED.GroupManager"; constexpr auto logSetting = "xyz.openbmc_project.Settings"; constexpr auto hwIsolation = "org.open_power.HardwareIsolation"; constexpr auto biosConfigMgr = "xyz.openbmc_project.BIOSConfigManager"; constexpr auto bootRawProgress = "xyz.openbmc_project.State.Boot.Raw"; constexpr auto pldm = "xyz.openbmc_project.PLDM"; } // namespace service_name namespace object_path { constexpr auto objectMapper = "/xyz/openbmc_project/object_mapper"; constexpr auto systemInv = "/xyz/openbmc_project/inventory/system"; constexpr auto chassisInv = "/xyz/openbmc_project/inventory/system/chassis"; constexpr auto motherBoardInv = "/xyz/openbmc_project/inventory/system/chassis/motherboard"; constexpr auto baseInv = "/xyz/openbmc_project/inventory"; constexpr auto bmcState = "/xyz/openbmc_project/state/bmc0"; constexpr auto chassisState = "/xyz/openbmc_project/state/chassis0"; constexpr auto hostState = "/xyz/openbmc_project/state/host0"; constexpr auto pldm = "/xyz/openbmc_project/pldm"; constexpr auto enableHostPELs = "/xyz/openbmc_project/logging/send_event_logs_to_host"; constexpr auto vpdManager = "/com/ibm/VPD/Manager"; constexpr auto logSetting = "/xyz/openbmc_project/logging/settings"; constexpr auto hwIsolation = "/xyz/openbmc_project/hardware_isolation"; constexpr auto biosConfigMgr = "/xyz/openbmc_project/bios_config/manager"; constexpr auto bootRawProgress = "/xyz/openbmc_project/state/boot/raw0"; } // namespace object_path namespace interface { constexpr auto dbusProperty = "org.freedesktop.DBus.Properties"; constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper"; constexpr auto invAsset = "xyz.openbmc_project.Inventory.Decorator.Asset"; constexpr auto bootProgress = "xyz.openbmc_project.State.Boot.Progress"; constexpr auto pldmRequester = "xyz.openbmc_project.PLDM.Requester"; constexpr auto enable = "xyz.openbmc_project.Object.Enable"; constexpr auto bmcState = "xyz.openbmc_project.State.BMC"; constexpr auto chassisState = "xyz.openbmc_project.State.Chassis"; constexpr auto hostState = "xyz.openbmc_project.State.Host"; constexpr auto invMotherboard = "xyz.openbmc_project.Inventory.Item.Board.Motherboard"; constexpr auto viniRecordVPD = "com.ibm.ipzvpd.VINI"; constexpr auto vsbpRecordVPD = "com.ibm.ipzvpd.VSBP"; constexpr auto locCode = "xyz.openbmc_project.Inventory.Decorator.LocationCode"; constexpr auto compatible = "xyz.openbmc_project.Configuration.IBMCompatibleSystem"; constexpr auto vpdManager = "com.ibm.VPD.Manager"; constexpr auto ledGroup = "xyz.openbmc_project.Led.Group"; constexpr auto operationalStatus = "xyz.openbmc_project.State.Decorator.OperationalStatus"; constexpr auto logSetting = "xyz.openbmc_project.Logging.Settings"; constexpr auto associationDef = "xyz.openbmc_project.Association.Definitions"; constexpr auto dumpEntry = "xyz.openbmc_project.Dump.Entry"; constexpr auto dumpProgress = "xyz.openbmc_project.Common.Progress"; constexpr auto hwIsolationCreate = "org.open_power.HardwareIsolation.Create"; constexpr auto hwIsolationEntry = "xyz.openbmc_project.HardwareIsolation.Entry"; constexpr auto association = "xyz.openbmc_project.Association"; constexpr auto biosConfigMgr = "xyz.openbmc_project.BIOSConfig.Manager"; constexpr auto bootRawProgress = "xyz.openbmc_project.State.Boot.Raw"; constexpr auto invItem = "xyz.openbmc_project.Inventory.Item"; constexpr auto invFan = "xyz.openbmc_project.Inventory.Item.Fan"; constexpr auto invPowerSupply = "xyz.openbmc_project.Inventory.Item.PowerSupply"; } // namespace interface using namespace sdbusplus::xyz::openbmc_project::State::Boot::server; using namespace sdbusplus::xyz::openbmc_project::State::server; namespace match_rules = sdbusplus::bus::match::rules; const DBusInterfaceList hotplugInterfaces{interface::invFan, interface::invPowerSupply}; std::pair DataInterfaceBase::extractConnectorFromLocCode( const std::string& locationCode) { auto base = locationCode; std::string connector{}; auto pos = base.find("-T"); if (pos != std::string::npos) { connector = base.substr(pos); base = base.substr(0, pos); } return {base, connector}; } DataInterface::DataInterface(sdbusplus::bus_t& bus) : _bus(bus) { readBMCFWVersion(); readServerFWVersion(); readBMCFWVersionID(); // Watch the BootProgress property _properties.emplace_back(std::make_unique>( bus, object_path::hostState, interface::bootProgress, "BootProgress", *this, [this](const auto& value) { this->_bootState = std::get(value); auto status = Progress::convertProgressStagesFromString( std::get(value)); if ((status == Progress::ProgressStages::SystemInitComplete) || (status == Progress::ProgressStages::OSRunning)) { setHostUp(true); } else { setHostUp(false); } })); // Watch the host PEL enable property _properties.emplace_back(std::make_unique>( bus, object_path::enableHostPELs, interface::enable, "Enabled", *this, [this](const auto& value) { if (std::get(value) != this->_sendPELsToHost) { lg2::info("The send PELs to host setting changed to {VAL}", "VAL", std::get(value)); } this->_sendPELsToHost = std::get(value); })); // Watch the BMCState property _properties.emplace_back(std::make_unique>( bus, object_path::bmcState, interface::bmcState, "CurrentBMCState", *this, [this](const auto& value) { const auto& state = std::get(value); this->_bmcState = state; // Wait for BMC ready to start watching for // plugs so things calm down first. if (BMC::convertBMCStateFromString(state) == BMC::BMCState::Ready) { startFruPlugWatch(); } })); // Watch the chassis current and requested power state properties _properties.emplace_back(std::make_unique>( bus, object_path::chassisState, interface::chassisState, *this, [this](const auto& properties) { auto state = properties.find("CurrentPowerState"); if (state != properties.end()) { this->_chassisState = std::get(state->second); } auto trans = properties.find("RequestedPowerTransition"); if (trans != properties.end()) { this->_chassisTransition = std::get(trans->second); } })); // Watch the CurrentHostState property _properties.emplace_back(std::make_unique>( bus, object_path::hostState, interface::hostState, "CurrentHostState", *this, [this](const auto& value) { this->_hostState = std::get(value); })); // Watch the BaseBIOSTable property for the hmc managed attribute _properties.emplace_back(std::make_unique>( bus, object_path::biosConfigMgr, interface::biosConfigMgr, "BaseBIOSTable", service_name::biosConfigMgr, *this, [this](const auto& value) { const auto& attributes = std::get(value); auto it = attributes.find("pvm_hmc_managed"); if (it != attributes.end()) { const auto& currentValVariant = std::get<5>(it->second); auto currentVal = std::get_if(¤tValVariant); if (currentVal) { this->_hmcManaged = (*currentVal == "Enabled") ? true : false; } } })); } DBusPropertyMap DataInterface::getAllProperties(const std::string& service, const std::string& objectPath, const std::string& interface) const { DBusPropertyMap properties; auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(), interface::dbusProperty, "GetAll"); method.append(interface); auto reply = _bus.call(method, dbusTimeout); reply.read(properties); return properties; } void DataInterface::getProperty(const std::string& service, const std::string& objectPath, const std::string& interface, const std::string& property, DBusValue& value) const { auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(), interface::dbusProperty, "Get"); method.append(interface, property); auto reply = _bus.call(method, dbusTimeout); reply.read(value); } DBusPathList DataInterface::getPaths(const DBusInterfaceList& interfaces) const { auto method = _bus.new_method_call( service_name::objectMapper, object_path::objectMapper, interface::objectMapper, "GetSubTreePaths"); method.append(std::string{"/"}, 0, interfaces); auto reply = _bus.call(method, dbusTimeout); DBusPathList paths; reply.read(paths); return paths; } DBusService DataInterface::getService(const std::string& objectPath, const std::string& interface) const { auto method = _bus.new_method_call(service_name::objectMapper, object_path::objectMapper, interface::objectMapper, "GetObject"); method.append(objectPath, std::vector({interface})); auto reply = _bus.call(method, dbusTimeout); std::map response; reply.read(response); if (!response.empty()) { return response.begin()->first; } return std::string{}; } void DataInterface::readBMCFWVersion() { _bmcFWVersion = phosphor::logging::util::getOSReleaseValue("VERSION").value_or(""); } void DataInterface::readServerFWVersion() { auto value = phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or(""); if ((value != "") && (value.find_last_of(')') != std::string::npos)) { std::size_t pos = value.find_first_of('(') + 1; _serverFWVersion = value.substr(pos, value.find_last_of(')') - pos); } } void DataInterface::readBMCFWVersionID() { _bmcFWVersionID = phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or(""); } std::string DataInterface::getMachineTypeModel() const { std::string model; try { auto service = getService(object_path::systemInv, interface::invAsset); if (!service.empty()) { DBusValue value; getProperty(service, object_path::systemInv, interface::invAsset, "Model", value); model = std::get(value); } } catch (const std::exception& e) { lg2::warning("Failed reading Model property from " "interface: {IFACE} exception: {ERROR}", "IFACE", interface::invAsset, "ERROR", e); } return model; } std::string DataInterface::getMachineSerialNumber() const { std::string sn; try { auto service = getService(object_path::systemInv, interface::invAsset); if (!service.empty()) { DBusValue value; getProperty(service, object_path::systemInv, interface::invAsset, "SerialNumber", value); sn = std::get(value); } } catch (const std::exception& e) { lg2::warning("Failed reading SerialNumber property from " "interface: {IFACE} exception: {ERROR}", "IFACE", interface::invAsset, "ERROR", e); } return sn; } std::string DataInterface::getMotherboardCCIN() const { std::string ccin; try { auto service = getService(object_path::motherBoardInv, interface::viniRecordVPD); if (!service.empty()) { DBusValue value; getProperty(service, object_path::motherBoardInv, interface::viniRecordVPD, "CC", value); auto cc = std::get>(value); ccin = std::string{cc.begin(), cc.end()}; } } catch (const std::exception& e) { lg2::warning("Failed reading Motherboard CCIN property from " "interface: {IFACE} exception: {ERROR}", "IFACE", interface::viniRecordVPD, "ERROR", e); } return ccin; } std::vector DataInterface::getSystemIMKeyword() const { std::vector systemIM; try { auto service = getService(object_path::motherBoardInv, interface::vsbpRecordVPD); if (!service.empty()) { DBusValue value; getProperty(service, object_path::motherBoardInv, interface::vsbpRecordVPD, "IM", value); systemIM = std::get>(value); } } catch (const std::exception& e) { lg2::warning("Failed reading System IM property from " "interface: {IFACE} exception: {ERROR}", "IFACE", interface::vsbpRecordVPD, "ERROR", e); } return systemIM; } void DataInterface::getHWCalloutFields(const std::string& inventoryPath, std::string& fruPartNumber, std::string& ccin, std::string& serialNumber) const { // For now, attempt to get all of the properties directly on the path // passed in. In the future, may need to make use of an algorithm // to figure out which inventory objects actually hold these // interfaces in the case of non FRUs, or possibly another service // will provide this info. Any missing interfaces will result // in exceptions being thrown. auto service = getService(inventoryPath, interface::viniRecordVPD); auto properties = getAllProperties(service, inventoryPath, interface::viniRecordVPD); auto value = std::get>(properties["FN"]); fruPartNumber = std::string{value.begin(), value.end()}; value = std::get>(properties["CC"]); ccin = std::string{value.begin(), value.end()}; value = std::get>(properties["SN"]); serialNumber = std::string{value.begin(), value.end()}; } std::string DataInterface::getLocationCode(const std::string& inventoryPath) const { auto service = getService(inventoryPath, interface::locCode); DBusValue locCode; getProperty(service, inventoryPath, interface::locCode, "LocationCode", locCode); return std::get(locCode); } std::string DataInterface::addLocationCodePrefix(const std::string& locationCode) { static const std::string locationCodePrefix{"Ufcs-"}; // Technically there are 2 location code prefixes, Ufcs and Umts, so // if it already starts with a U then don't need to do anything. if (locationCode.front() != 'U') { return locationCodePrefix + locationCode; } return locationCode; } std::string DataInterface::expandLocationCode(const std::string& locationCode, uint16_t /*node*/) const { // Location codes for connectors are the location code of the FRU they are // on, plus a '-Tx' segment. Remove this last segment before expanding it // and then add it back in afterwards. This way, the connector doesn't have // to be in the model just so that it can be expanded. auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode); auto method = _bus.new_method_call(service_name::vpdManager, object_path::vpdManager, interface::vpdManager, "GetExpandedLocationCode"); method.append(addLocationCodePrefix(baseLoc), static_cast(0)); auto reply = _bus.call(method, dbusTimeout); std::string expandedLocationCode; reply.read(expandedLocationCode); if (!connectorLoc.empty()) { expandedLocationCode += connectorLoc; } return expandedLocationCode; } std::vector DataInterface::getInventoryFromLocCode(const std::string& locationCode, uint16_t node, bool expanded) const { std::string methodName = expanded ? "GetFRUsByExpandedLocationCode" : "GetFRUsByUnexpandedLocationCode"; // Remove the connector segment, if present, so that this method call // returns an inventory path that getHWCalloutFields() can be used with. // (The serial number, etc, aren't stored on the connector in the // inventory, and may not even be modeled.) auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode); auto method = _bus.new_method_call(service_name::vpdManager, object_path::vpdManager, interface::vpdManager, methodName.c_str()); if (expanded) { method.append(baseLoc); } else { method.append(addLocationCodePrefix(baseLoc), node); } auto reply = _bus.call(method, dbusTimeout); std::vector entries; reply.read(entries); std::vector paths; // Note: The D-Bus method will fail if nothing found. std::for_each(entries.begin(), entries.end(), [&paths](const auto& path) { paths.push_back(path); }); return paths; } void DataInterface::assertLEDGroup(const std::string& ledGroup, bool value) const { DBusValue variant = value; auto method = _bus.new_method_call(service_name::ledGroupManager, ledGroup.c_str(), interface::dbusProperty, "Set"); method.append(interface::ledGroup, "Asserted", variant); _bus.call(method, dbusTimeout); } void DataInterface::setFunctional(const std::string& objectPath, bool value) const { DBusValue variant = value; auto service = getService(objectPath, interface::operationalStatus); auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(), interface::dbusProperty, "Set"); method.append(interface::operationalStatus, "Functional", variant); _bus.call(method, dbusTimeout); } using AssociationTuple = std::tuple; using AssociationsProperty = std::vector; void DataInterface::setCriticalAssociation(const std::string& objectPath) const { DBusValue getAssociationValue; auto service = getService(objectPath, interface::associationDef); getProperty(service, objectPath, interface::associationDef, "Associations", getAssociationValue); auto association = std::get(getAssociationValue); AssociationTuple critAssociation{ "health_rollup", "critical", "/xyz/openbmc_project/inventory/system/chassis"}; if (std::find(association.begin(), association.end(), critAssociation) == association.end()) { association.push_back(critAssociation); DBusValue setAssociationValue = association; auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(), interface::dbusProperty, "Set"); method.append(interface::associationDef, "Associations", setAssociationValue); _bus.call(method, dbusTimeout); } } std::vector DataInterface::getSystemNames() const { DBusSubTree subtree; DBusValue names; auto method = _bus.new_method_call(service_name::objectMapper, object_path::objectMapper, interface::objectMapper, "GetSubTree"); method.append(std::string{"/"}, 0, std::vector{interface::compatible}); auto reply = _bus.call(method, dbusTimeout); reply.read(subtree); if (subtree.empty()) { throw std::runtime_error("Compatible interface not on D-Bus"); } const auto& object = *(subtree.begin()); const auto& path = object.first; const auto& service = object.second.begin()->first; getProperty(service, path, interface::compatible, "Names", names); return std::get>(names); } bool DataInterface::getQuiesceOnError() const { bool ret = false; try { auto service = getService(object_path::logSetting, interface::logSetting); if (!service.empty()) { DBusValue value; getProperty(service, object_path::logSetting, interface::logSetting, "QuiesceOnHwError", value); ret = std::get(value); } } catch (const std::exception& e) { lg2::warning("Failed reading QuiesceOnHwError property from " "interface: {IFACE} exception: {ERROR}", "IFACE", interface::logSetting, "ERROR", e); } return ret; } std::vector DataInterface::checkDumpStatus(const std::vector& type) const { DBusSubTree subtree; std::vector result(type.size(), false); // Query GetSubTree for the availability of dump interface auto method = _bus.new_method_call(service_name::objectMapper, object_path::objectMapper, interface::objectMapper, "GetSubTree"); method.append(std::string{"/"}, 0, std::vector{interface::dumpEntry}); auto reply = _bus.call(method, dbusTimeout); reply.read(subtree); if (subtree.empty()) { return result; } std::vector::iterator itDumpStatus = result.begin(); uint8_t count = 0; for (const auto& [path, serviceInfo] : subtree) { const auto& service = serviceInfo.begin()->first; // Check for dump type on the object path for (const auto& it : type) { if (path.find(it) != std::string::npos) { DBusValue value, progress; // If dump type status is already available go for next path if (*itDumpStatus) { break; } // Check for valid dump to be available if following // conditions are met for the dump entry path - // Offloaded == false and Status == Completed getProperty(service, path, interface::dumpEntry, "Offloaded", value); getProperty(service, path, interface::dumpProgress, "Status", progress); auto offload = std::get(value); auto status = std::get(progress); if (!offload && (status.find("Completed") != std::string::npos)) { *itDumpStatus = true; count++; if (count >= type.size()) { return result; } break; } } ++itDumpStatus; } itDumpStatus = result.begin(); } return result; } void DataInterface::createGuardRecord(const std::vector& binPath, const std::string& type, const std::string& logPath) const { try { auto method = _bus.new_method_call( service_name::hwIsolation, object_path::hwIsolation, interface::hwIsolationCreate, "CreateWithEntityPath"); method.append(binPath, type, sdbusplus::message::object_path(logPath)); // Note: hw isolation "CreateWithEntityPath" got dependency on logging // api's. Making d-bus call no reply type to avoid cyclic dependency. // Added minimal timeout to catch initial failures. // Need to revisit this design later to avoid cyclic dependency. constexpr auto hwIsolationTimeout = 100000; // in micro seconds _bus.call_noreply(method, hwIsolationTimeout); } catch (const sdbusplus::exception_t& e) { std::string errName = e.name(); // SD_BUS_ERROR_TIMEOUT error is expected, due to PEL api dependency // mentioned above. Ignoring the error. if (errName != SD_BUS_ERROR_TIMEOUT) { lg2::error("GUARD D-Bus call exception. Path={PATH}, " "interface = {IFACE}, exception = {ERROR}", "PATH", object_path::hwIsolation, "IFACE", interface::hwIsolationCreate, "ERROR", e); } } } void DataInterface::createProgressSRC( const uint64_t& priSRC, const std::vector& srcStruct) const { DBusValue variant = std::make_tuple(priSRC, srcStruct); auto method = _bus.new_method_call(service_name::bootRawProgress, object_path::bootRawProgress, interface::dbusProperty, "Set"); method.append(interface::bootRawProgress, "Value", variant); _bus.call(method, dbusTimeout); } std::vector DataInterface::getLogIDWithHwIsolation() const { std::vector association = {"xyz.openbmc_project.Association"}; std::string hwErrorLog = "/isolated_hw_errorlog"; std::string errorLog = "/error_log"; DBusPathList paths; std::vector ids; // Get all latest mapper associations paths = getPaths(association); for (auto& path : paths) { // Look for object path with hardware isolation entry if any size_t pos = path.find(hwErrorLog); if (pos != std::string::npos) { // Get the object path std::string ph = path; ph.erase(pos, hwErrorLog.length()); auto service = getService(ph, interface::hwIsolationEntry); if (!service.empty()) { bool status; DBusValue value; // Read the Resolved property from object path getProperty(service, ph, interface::hwIsolationEntry, "Resolved", value); status = std::get(value); // If the entry isn't resolved if (!status) { auto assocService = getService(path, interface::association); if (!assocService.empty()) { DBusValue endpoints; // Read Endpoints property getProperty(assocService, path, interface::association, "endpoints", endpoints); auto logPath = std::get>(endpoints); if (!logPath.empty()) { // Get OpenBMC event log Id uint32_t id = stoi(logPath[0].substr( logPath[0].find_last_of('/') + 1)); ids.push_back(id); } } } } } // Look for object path with error_log entry if any pos = path.find(errorLog); if (pos != std::string::npos) { auto service = getService(path, interface::association); if (!service.empty()) { DBusValue value; // Read Endpoints property getProperty(service, path, interface::association, "endpoints", value); auto logPath = std::get>(value); if (!logPath.empty()) { // Get OpenBMC event log Id uint32_t id = stoi( logPath[0].substr(logPath[0].find_last_of('/') + 1)); ids.push_back(id); } } } } if (ids.size() > 1) { // remove duplicates to have only unique ids std::sort(ids.begin(), ids.end()); ids.erase(std::unique(ids.begin(), ids.end()), ids.end()); } return ids; } std::vector DataInterface::getRawProgressSRC(void) const { using RawProgressProperty = std::tuple>; DBusValue value; getProperty(service_name::bootRawProgress, object_path::bootRawProgress, interface::bootRawProgress, "Value", value); const auto& rawProgress = std::get(value); return std::get<1>(rawProgress); } void DataInterface::startFruPlugWatch() { // Add a watch on inventory InterfacesAdded and then find all // existing hotpluggable interfaces and add propertiesChanged // watches on them. _invIaMatch = std::make_unique( _bus, match_rules::interfacesAdded(object_path::baseInv), std::bind(&DataInterface::inventoryIfaceAdded, this, std::placeholders::_1)); try { auto paths = getPaths(hotplugInterfaces); _invPresentMatches.clear(); std::for_each(paths.begin(), paths.end(), [this](const auto& path) { addHotplugWatch(path); }); } catch (const sdbusplus::exception_t& e) { lg2::warning("Failed getting FRU paths to watch: {ERROR}", "ERROR", e); } } void DataInterface::addHotplugWatch(const std::string& path) { if (!_invPresentMatches.contains(path)) { _invPresentMatches.emplace( path, std::make_unique( _bus, match_rules::propertiesChanged(path, interface::invItem), std::bind(&DataInterface::presenceChanged, this, std::placeholders::_1))); } } void DataInterface::inventoryIfaceAdded(sdbusplus::message_t& msg) { sdbusplus::message::object_path path; DBusInterfaceMap interfaces; msg.read(path, interfaces); // Check if any of the new interfaces are for hot pluggable FRUs. if (std::find_if(interfaces.begin(), interfaces.end(), [](const auto& interfacePair) { return std::find(hotplugInterfaces.begin(), hotplugInterfaces.end(), interfacePair.first) != hotplugInterfaces.end(); }) == interfaces.end()) { return; } addHotplugWatch(path.str); // If an Inventory.Item interface was also added, check presence now. // Notes: // * This assumes the Inv.Item and Inv.Fan/PS are added together which // is currently the case. // * If the code ever switches to something without a Present // property, then the IA signal itself would probably indicate presence. auto itemIt = interfaces.find(interface::invItem); if (itemIt != interfaces.end()) { notifyPresenceSubsribers(path.str, itemIt->second); } } void DataInterface::presenceChanged(sdbusplus::message_t& msg) { DBusInterface interface; DBusPropertyMap properties; msg.read(interface, properties); if (interface != interface::invItem) { return; } std::string path = msg.get_path(); notifyPresenceSubsribers(path, properties); } void DataInterface::notifyPresenceSubsribers(const std::string& path, const DBusPropertyMap& properties) { auto prop = properties.find("Present"); if ((prop == properties.end()) || (!std::get(prop->second))) { return; } std::string locCode; try { auto service = getService(path, interface::locCode); // If the hotplugged FRU is hosted by PLDM, then it is // in an IO expansion drawer and we don't care about it. if (service == service_name::pldm) { return; } locCode = getLocationCode(path); } catch (const sdbusplus::exception_t& e) { lg2::debug("Could not get location code for {PATH}: {ERROR}", "PATH", path, "ERROR", e); return; } lg2::debug("Detected FRU {PATH} ({LOC}) present ", "PATH", path, "LOC", locCode); // Tell the subscribers. setFruPresent(locCode); } } // namespace pels } // namespace openpower