| #ifndef THIRD_PARTY_GBMCWEB_REDFISH_CORE_LIB_PCIE_H_ |
| #define THIRD_PARTY_GBMCWEB_REDFISH_CORE_LIB_PCIE_H_ |
| |
| /* |
| // Copyright (c) 2018 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 <array> |
| #include <cstddef> |
| #include <functional> |
| #include <memory> |
| #include <optional> |
| #include <string> |
| #include <string_view> |
| #include <utility> |
| #include <variant> |
| |
| #include "absl/strings/str_cat.h" |
| #include "boost/system/linux_error.hpp" // NOLINT |
| #include "app.hpp" |
| #include "http_request.hpp" |
| #include "logging.hpp" |
| #include "utility.hpp" |
| #include "async_resp.hpp" |
| #include "dbus_utility.hpp" |
| #include "error_messages.hpp" |
| #include "generated/enums/pcie_device.hpp" |
| #include "query.hpp" |
| #include "registries/privilege_registry.hpp" |
| #include "dbus_utils.hpp" |
| #include "system_utils.hpp" |
| #include <nlohmann/json.hpp> |
| #include "managed_store.hpp" |
| #include "managed_store_types.hpp" |
| #include "sdbusplus/message/native_types.hpp" |
| #include "sdbusplus/unpack_properties.hpp" |
| |
| namespace redfish { |
| |
| static constexpr char const* pciePath = "/xyz/openbmc_project/inventory/pcie"; |
| static constexpr char const* pcieDeviceInterface = |
| "xyz.openbmc_project.Inventory.Item.PCIeDevice"; |
| |
| static constexpr std::array<std::string_view, 1> pcieInterfaces = { |
| pcieDeviceInterface}; |
| |
| static inline void getPCIeDeviceList( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, const std::string& name) { |
| managedStore::ManagedObjectStoreContext requestContext(asyncResp); |
| managedStore::GetManagedObjectStore()->getSubTreePaths( |
| pciePath, 0, pcieInterfaces, requestContext, |
| [asyncResp, systemName, name]( |
| const boost::system::error_code& ec, |
| const dbus::utility::MapperGetSubTreePathsResponse& pcieDevicePaths) { |
| if (ec) { |
| BMCWEB_LOG_DEBUG << "no PCIe device paths found ec: " << ec.message(); |
| // Not an error, system just doesn't have PCIe info |
| return; |
| } |
| nlohmann::json& pcieDeviceList = asyncResp->res.jsonValue[name]; |
| pcieDeviceList = nlohmann::json::array(); |
| for (const std::string& pcieDevicePath : pcieDevicePaths) { |
| size_t devStart = pcieDevicePath.rfind('/'); |
| if (devStart == std::string::npos) { |
| continue; |
| } |
| std::string devName = pcieDevicePath.substr(devStart + 1); |
| if (devName.empty()) { |
| continue; |
| } |
| nlohmann::json::object_t pcieDevice; |
| pcieDevice["@odata.id"] = crow::utility::urlFromPieces( |
| "redfish", "v1", "Systems", systemName, "PCIeDevices", devName); |
| pcieDeviceList.push_back(std::move(pcieDevice)); |
| } |
| asyncResp->res.jsonValue[name + "@odata.count"] = pcieDeviceList.size(); |
| }); |
| } |
| |
| static inline void handlePCIeDeviceCollectionGet( |
| crow::App& app, const crow::Request& req, |
| const std::shared_ptr<bmcweb::AsyncResp>& aResp, |
| const std::string& systemName) { |
| if (!redfish::setUpRedfishRoute(app, req, aResp)) { |
| return; |
| } |
| system_utils::getSystemInformation( |
| aResp, systemName, |
| [](const std::shared_ptr<bmcweb::AsyncResp>& aResp, |
| const std::string& systemPath) { |
| std::string systemName = redfish::system_utils::getSystemName(systemPath); |
| aResp->res.addHeader(boost::beast::http::field::link, |
| "</redfish/v1/JsonSchemas/PCIeDeviceCollection/" |
| "PCIeDeviceCollection.json>; rel=describedby"); |
| aResp->res.jsonValue["@odata.type"] = |
| "#PCIeDeviceCollection.PCIeDeviceCollection"; |
| aResp->res.jsonValue["@odata.id"] = crow::utility::urlFromPieces( |
| "redfish", "v1", "Systems", systemName, "PCIeDevices"); |
| aResp->res.jsonValue["Name"] = "PCIe Device Collection"; |
| aResp->res.jsonValue["Description"] = "Collection of PCIe Devices"; |
| aResp->res.jsonValue["Members"] = nlohmann::json::array(); |
| aResp->res.jsonValue["Members@odata.count"] = 0; |
| getPCIeDeviceList(aResp, systemName, "Members"); |
| }); |
| } |
| |
| inline void requestRoutesSystemPCIeDeviceCollection(App& app) { |
| /** |
| * Functions triggers appropriate requests on DBus |
| */ |
| BMCWEB_ROUTE(app, "/redfish/v1/Systems/<str>/PCIeDevices/") |
| .privileges(redfish::privileges::getPCIeDeviceCollection) |
| .methods(boost::beast::http::verb::get)( |
| std::bind_front(handlePCIeDeviceCollectionGet, std::ref(app))); |
| } |
| |
| inline std::optional<pcie_device::PCIeTypes> |
| redfishPcieGenerationFromDbus(const std::string& generationInUse) { |
| if (generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen1") { |
| return pcie_device::PCIeTypes::Gen1; |
| } |
| if (generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen2") { |
| return pcie_device::PCIeTypes::Gen2; |
| } |
| if (generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen3") { |
| return pcie_device::PCIeTypes::Gen3; |
| } |
| if (generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen4") { |
| return pcie_device::PCIeTypes::Gen4; |
| } |
| if (generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen5") { |
| return pcie_device::PCIeTypes::Gen5; |
| } |
| if (generationInUse.empty() || |
| generationInUse == |
| "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Unknown") { |
| return pcie_device::PCIeTypes::Invalid; |
| } |
| // The value is not unknown or Gen1-5, need return an internal error. |
| return std::nullopt; |
| } |
| |
| inline void getPCIeDevicePropertiesCallback( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device, const boost::system::error_code& ec, |
| const dbus::utility::DBusPropertiesMap& pcieDevProperties) { |
| if (ec) { |
| BMCWEB_LOG_DEBUG << "failed to get PCIe Device properties ec: " |
| << ec.value() << ": " << ec.message(); |
| if (ec.value() == boost::system::linux_error::bad_request_descriptor) { |
| messages::resourceNotFound(asyncResp->res, "PCIeDevice", device); |
| } else { |
| messages::internalError(asyncResp->res); |
| } |
| return; |
| } |
| const std::string* manufacturer = nullptr; |
| const std::string* deviceType = nullptr; |
| const std::string* generationInUse = nullptr; |
| const size_t* lanesInUse = nullptr; |
| const std::string* oemString = nullptr; |
| const bool success = sdbusplus::unpackPropertiesNoThrow( |
| dbus_utils::UnpackErrorPrinter(), pcieDevProperties, "Manufacturer", |
| manufacturer, "DeviceType", deviceType, "LanesInUse", lanesInUse, |
| "GenerationInUse", generationInUse, "OEM", oemString); |
| if (!success) { |
| messages::internalError(asyncResp->res); |
| return; |
| } |
| |
| if (lanesInUse != nullptr) { |
| asyncResp->res.jsonValue["PCIeInterface"]["LanesInUse"] = *lanesInUse; |
| } |
| if (generationInUse != nullptr) { |
| std::optional<pcie_device::PCIeTypes> redfishGenerationInUse = |
| redfishPcieGenerationFromDbus(*generationInUse); |
| if (!redfishGenerationInUse) { |
| messages::internalError(asyncResp->res); |
| return; |
| } |
| if (*redfishGenerationInUse != pcie_device::PCIeTypes::Invalid) { |
| asyncResp->res.jsonValue["PCIeInterface"]["PCIeType"] = |
| *redfishGenerationInUse; |
| } |
| } |
| if (oemString != nullptr) { |
| asyncResp->res.jsonValue["PCIeInterface"]["OEM"]["Google"]["LaneStatus"] = |
| *oemString; |
| } |
| if (manufacturer != nullptr) { |
| asyncResp->res.jsonValue["Manufacturer"] = *manufacturer; |
| } |
| if (deviceType != nullptr) { |
| asyncResp->res.jsonValue["DeviceType"] = *deviceType; |
| } |
| asyncResp->res.jsonValue["@odata.type"] = "#PCIeDevice.v1_4_0.PCIeDevice"; |
| asyncResp->res.jsonValue["@odata.id"] = crow::utility::urlFromPieces( |
| "redfish", "v1", "Systems", systemName, "PCIeDevices", device); |
| asyncResp->res.jsonValue["Name"] = "PCIe Device"; |
| asyncResp->res.jsonValue["Id"] = device; |
| asyncResp->res.jsonValue["PCIeFunctions"]["@odata.id"] = |
| crow::utility::urlFromPieces("redfish", "v1", "Systems", systemName, |
| "PCIeDevices", device, "PCIeFunctions"); |
| } |
| |
| inline void getPCIeChassisCallback( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& device, |
| const boost::system::error_code& ec, |
| const dbus::utility::MapperEndPoints& chassisPaths) { |
| if (ec) { |
| if (ec.value() != EBADR) { |
| BMCWEB_LOG_ERROR << "DBUS response error " << ec; |
| messages::internalError(asyncResp->res); |
| } |
| return; |
| } |
| if (chassisPaths.empty()) { |
| return; |
| } |
| if (chassisPaths.size() > 1) { |
| BMCWEB_LOG_ERROR << device << " is contained by mutliple chassis"; |
| messages::internalError(asyncResp->res); |
| return; |
| } |
| sdbusplus::message::object_path chassisPath(chassisPaths[0]); |
| std::string chassis = chassisPath.filename(); |
| if (chassis.empty()) { |
| BMCWEB_LOG_WARNING << "Malformed Chassis path " << chassisPath.str |
| << " on " << device; |
| return; |
| } |
| asyncResp->res.jsonValue["Links"]["Chassis"]["@odata.id"] = |
| "/redfish/v1/Chassis/" + chassis; |
| } |
| |
| using GetPCIeDeviceCallback = std::function<void( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device, const boost::system::error_code&, |
| const ::dbus::utility::DBusPropertiesMap&)>; |
| inline void getPCIeDevice(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device, |
| GetPCIeDeviceCallback&& cb) { |
| managedStore::ManagedObjectStoreContext context(asyncResp); |
| managedStore::GetManagedObjectStore()->getSubTree( |
| std::string(pciePath), 0, pcieInterfaces, context, |
| [asyncResp, context, device, systemName, cb = std::move(cb)]( |
| const boost::system::error_code& ec, |
| const dbus::utility::MapperGetSubTreeResponse& subtree) { |
| if (ec) { |
| BMCWEB_LOG_ERROR << "getPCIeDevice getSubTree error: " |
| << ec.message(); |
| messages::internalError(asyncResp->res); |
| return; |
| } |
| bool found = false; |
| // Iterate over all retrieved ObjectPaths. |
| for (const auto& object : subtree) { |
| const std::string& path = object.first; |
| const dbus::utility::MapperServiceMap& connectionNames = |
| object.second; |
| sdbusplus::message::object_path objPath(path); |
| if (objPath.filename() != device) { |
| continue; |
| } |
| if (connectionNames.empty()) { |
| BMCWEB_LOG_ERROR << "Got 0 Connection names"; |
| continue; |
| } |
| found = true; |
| managedStore::GetManagedObjectStore()->getAllProperties( |
| connectionNames[0].first, objPath, pcieDeviceInterface, context, |
| std::bind_front(cb, asyncResp, systemName, device)); |
| } |
| if (!found) { |
| // Pass error code for missing object |
| cb(asyncResp, systemName, device, |
| boost::system::linux_error::bad_request_descriptor, |
| ::dbus::utility::DBusPropertiesMap()); |
| } |
| }); |
| } |
| |
| inline void handleSystemPCIeDeviceGet( |
| App& app, const crow::Request& req, |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, const std::string& device) { |
| if (!redfish::setUpRedfishRoute(app, req, asyncResp)) { |
| return; |
| } |
| redfish::system_utils::getSystemInformation(asyncResp, systemName, |
| [device](const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemPath) { |
| std::string systemName = |
| redfish::system_utils::getSystemName(systemPath); |
| getPCIeDevice(asyncResp, systemName, device, |
| getPCIeDevicePropertiesCallback); |
| std::string escapedPath = absl::StrCat(std::string(pciePath), |
| "/", device); |
| dbus::utility::escapePathForDbus(escapedPath); |
| constexpr std::array<std::string_view, 2> chassisInterfaces = { |
| "xyz.openbmc_project.Inventory.Item.Board", |
| "xyz.openbmc_project.Inventory.Item.Chassis"}; |
| managedStore::ManagedObjectStoreContext context(asyncResp); |
| managedStore::GetManagedObjectStore()->getAssociatedSubTreePaths( |
| escapedPath + "/contained_by", {"/xyz/openbmc_project/inventory"}, |
| 0, chassisInterfaces, context, |
| std::bind_front(getPCIeChassisCallback, asyncResp, device)); |
| }); |
| } |
| |
| inline void requestRoutesSystemPCIeDevice(App& app) { |
| BMCWEB_ROUTE(app, "/redfish/v1/Systems/<str>/PCIeDevices/<str>/") |
| .privileges(redfish::privileges::getPCIeDevice) |
| .methods(boost::beast::http::verb::get)( |
| std::bind_front(handleSystemPCIeDeviceGet, std::ref(app))); |
| } |
| |
| inline void handleSystemPCIeFunctionCollectionGet( |
| App& app, const crow::Request& req, |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device) { |
| if (!redfish::setUpRedfishRoute(app, req, asyncResp)) { |
| return; |
| } |
| auto getPCIeDeviceCallback = |
| [](const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, const std::string& device, |
| const boost::system::error_code& ec, |
| const dbus::utility::DBusPropertiesMap& pcieDevProperties) { |
| if (ec) { |
| BMCWEB_LOG_DEBUG << "failed to get PCIe Device properties ec: " << |
| ec.value() << ": " << ec.message(); |
| if (ec.value() == boost::system::linux_error::bad_request_descriptor) { |
| messages::resourceNotFound(asyncResp->res, "PCIeDevice", device); |
| } else { |
| messages::internalError(asyncResp->res); |
| } |
| return; |
| } |
| nlohmann::json& pcieFunctionList = asyncResp->res.jsonValue["Members"]; |
| pcieFunctionList = nlohmann::json::array(); |
| static constexpr const int maxPciFunctionNum = 8; |
| for (int functionNum = 0; functionNum < maxPciFunctionNum; functionNum++) { |
| // Check if this function exists by looking for a device ID |
| std::string devIDProperty = "Function" + std::to_string(functionNum) + |
| "DeviceId"; |
| const std::string* property = nullptr; |
| for (const auto& propEntry : pcieDevProperties) { |
| if (propEntry.first == devIDProperty) { |
| property = std::get_if<std::string>(&propEntry.second); |
| } |
| } |
| if (property == nullptr || property->empty()) { |
| continue; |
| } |
| nlohmann::json::object_t pcieFunction; |
| pcieFunction["@odata.id"] = crow::utility::urlFromPieces( |
| "redfish", "v1", "Systems", systemName, "PCIeDevices", device, |
| "PCIeFunctions", std::to_string(functionNum)); |
| pcieFunctionList.push_back(std::move(pcieFunction)); |
| } |
| asyncResp->res.jsonValue["Members@odata.count"] = pcieFunctionList.size(); |
| }; |
| redfish::system_utils::getSystemInformation(asyncResp, systemName, |
| [device, getPCIeDeviceCallback]( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemPath) { |
| std::string systemName = |
| redfish::system_utils::getSystemName(systemPath); |
| asyncResp->res.jsonValue["@odata.type"] = |
| "#PCIeFunctionCollection.PCIeFunctionCollection"; |
| asyncResp->res.jsonValue["@odata.id"] = |
| crow::utility::urlFromPieces("redfish", "v1", "Systems", systemName, |
| "PCIeDevices", device, |
| "PCIeFunctions"); |
| asyncResp->res.jsonValue["Name"] = "PCIe Function Collection"; |
| asyncResp->res.jsonValue["Description"] = |
| "Collection of PCIe Functions for PCIe Device " + device; |
| getPCIeDevice(asyncResp, systemName, device, getPCIeDeviceCallback); |
| }); |
| } |
| |
| inline void requestRoutesSystemPCIeFunctionCollection(App& app) { |
| /** |
| * Functions triggers appropriate requests on DBus |
| */ |
| BMCWEB_ROUTE(app, |
| "/redfish/v1/Systems/<str>/PCIeDevices/<str>/PCIeFunctions/") |
| .privileges(redfish::privileges::getPCIeFunctionCollection) |
| .methods(boost::beast::http::verb::get)( |
| std::bind_front(handleSystemPCIeFunctionCollectionGet, |
| std::ref(app))); |
| } |
| |
| inline void handleSystemPCIeFunctionGet( |
| App& app, const crow::Request& req, |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device, const std::string& function) { |
| if (!redfish::setUpRedfishRoute(app, req, asyncResp)) { |
| return; |
| } |
| auto getPCIeDeviceCallback = |
| [function](const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemName, |
| const std::string& device, |
| const boost::system::error_code& ec, |
| const dbus::utility::DBusPropertiesMap& pcieDevProperties) { |
| if (ec) { |
| BMCWEB_LOG_DEBUG << "failed to get PCIe Device properties ec: " |
| << ec.value() << ": " << ec.message(); |
| if (ec.value() == boost::system::linux_error::bad_request_descriptor) { |
| messages::resourceNotFound(asyncResp->res, "PCIeDevice", device); |
| } else { |
| messages::internalError(asyncResp->res); |
| } |
| return; |
| } |
| // Check if this function exists by looking for a device ID |
| std::string functionName = "Function" + function; |
| std::string devIDProperty = functionName + "DeviceId"; |
| const std::string* devIdProperty = nullptr; |
| for (const auto& property : pcieDevProperties) { |
| if (property.first == devIDProperty) { |
| devIdProperty = std::get_if<std::string>(&property.second); |
| continue; |
| } |
| } |
| if (devIdProperty == nullptr || devIdProperty->empty()) { |
| messages::resourceNotFound(asyncResp->res, "PCIeFunction", function); |
| return; |
| } |
| asyncResp->res.jsonValue["@odata.type"] = |
| "#PCIeFunction.v1_2_0.PCIeFunction"; |
| asyncResp->res.jsonValue["@odata.id"] = crow::utility::urlFromPieces( |
| "redfish", "v1", "Systems", systemName, "PCIeDevices", device, |
| "PCIeFunctions", function); |
| asyncResp->res.jsonValue["Name"] = "PCIe Function"; |
| asyncResp->res.jsonValue["Id"] = function; |
| asyncResp->res.jsonValue["FunctionId"] = std::stoi(function); |
| asyncResp->res.jsonValue["Links"]["PCIeDevice"]["@odata.id"] = |
| crow::utility::urlFromPieces("redfish", "v1", "Systems", systemName, |
| "PCIeDevices", device); |
| for (const auto& property : pcieDevProperties) { |
| const std::string* strProperty = |
| std::get_if<std::string>(&property.second); |
| if (property.first == functionName + "DeviceId") { |
| asyncResp->res.jsonValue["DeviceId"] = *strProperty; |
| } |
| if (property.first == functionName + "VendorId") { |
| asyncResp->res.jsonValue["VendorId"] = *strProperty; |
| } |
| if (property.first == functionName + "FunctionType") { |
| asyncResp->res.jsonValue["FunctionType"] = *strProperty; |
| } |
| if (property.first == functionName + "DeviceClass") { |
| asyncResp->res.jsonValue["DeviceClass"] = *strProperty; |
| } |
| if (property.first == functionName + "ClassCode") { |
| asyncResp->res.jsonValue["ClassCode"] = *strProperty; |
| } |
| if (property.first == functionName + "RevisionId") { |
| asyncResp->res.jsonValue["RevisionId"] = *strProperty; |
| } |
| if (property.first == functionName + "SubsystemId") { |
| asyncResp->res.jsonValue["SubsystemId"] = *strProperty; |
| } |
| if (property.first == functionName + "SubsystemVendorId") { |
| asyncResp->res.jsonValue["SubsystemVendorId"] = *strProperty; |
| } |
| } |
| }; |
| redfish::system_utils::getSystemInformation(asyncResp, systemName, |
| [device, getPCIeDeviceCallback]( |
| const std::shared_ptr<bmcweb::AsyncResp>& asyncResp, |
| const std::string& systemPath) { |
| std::string systemName = |
| redfish::system_utils::getSystemName(systemPath); |
| getPCIeDevice(asyncResp, systemName, device, getPCIeDeviceCallback); |
| }); |
| } |
| |
| inline void requestRoutesSystemPCIeFunction(App& app) { |
| BMCWEB_ROUTE( |
| app, "/redfish/v1/Systems/<str>/PCIeDevices/<str>/PCIeFunctions/<str>/") |
| .privileges(redfish::privileges::getPCIeFunction) |
| .methods(boost::beast::http::verb::get)( |
| std::bind_front(handleSystemPCIeFunctionGet, std::ref(app))); |
| } |
| |
| } // namespace redfish |
| |
| #endif // THIRD_PARTY_GBMCWEB_REDFISH_CORE_LIB_PCIE_H_ |
