1099543e4SBrad Bishop // SPDX-License-Identifier: Apache-2.0 2099543e4SBrad Bishop 3099543e4SBrad Bishop /**@file functions.cpp*/ 4099543e4SBrad Bishop 556f538caSAdriana Kobylak #include "config.h" 656f538caSAdriana Kobylak 7099543e4SBrad Bishop #include "functions.hpp" 8099543e4SBrad Bishop 9ae0998f1SAdriana Kobylak #include <nlohmann/json.hpp> 1056f538caSAdriana Kobylak #include <phosphor-logging/log.hpp> 11099543e4SBrad Bishop #include <sdbusplus/bus.hpp> 12099543e4SBrad Bishop #include <sdbusplus/bus/match.hpp> 13c79fa915SAdriana Kobylak #include <sdbusplus/exception.hpp> 14099543e4SBrad Bishop #include <sdbusplus/message.hpp> 15099543e4SBrad Bishop #include <sdeventplus/event.hpp> 16099543e4SBrad Bishop 17099543e4SBrad Bishop #include <filesystem> 18ae0998f1SAdriana Kobylak #include <fstream> 19099543e4SBrad Bishop #include <functional> 20099543e4SBrad Bishop #include <iostream> 21099543e4SBrad Bishop #include <map> 22099543e4SBrad Bishop #include <memory> 23099543e4SBrad Bishop #include <string> 24099543e4SBrad Bishop #include <variant> 25099543e4SBrad Bishop #include <vector> 26099543e4SBrad Bishop 27099543e4SBrad Bishop namespace functions 28099543e4SBrad Bishop { 29099543e4SBrad Bishop namespace process_hostfirmware 30099543e4SBrad Bishop { 31099543e4SBrad Bishop 3256f538caSAdriana Kobylak using namespace phosphor::logging; 33ebf67bf7SAdriana Kobylak using InterfacesPropertiesMap = 34ebf67bf7SAdriana Kobylak std::map<std::string, 35ebf67bf7SAdriana Kobylak std::map<std::string, std::variant<std::vector<std::string>>>>; 36ebf67bf7SAdriana Kobylak using ManagedObjectType = 37ebf67bf7SAdriana Kobylak std::map<sdbusplus::message::object_path, InterfacesPropertiesMap>; 3856f538caSAdriana Kobylak 39099543e4SBrad Bishop /** 40fd4a6088SAdriana Kobylak * @brief GetObject function to find the service given an object path. 41fd4a6088SAdriana Kobylak * It is used to determine if a service is running, so there is no need 42fd4a6088SAdriana Kobylak * to specify interfaces as a parameter to constrain the search. 43fd4a6088SAdriana Kobylak */ 44fd4a6088SAdriana Kobylak std::string getObject(sdbusplus::bus::bus& bus, const std::string& path) 45fd4a6088SAdriana Kobylak { 46fd4a6088SAdriana Kobylak auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, 47fd4a6088SAdriana Kobylak MAPPER_BUSNAME, "GetObject"); 48fd4a6088SAdriana Kobylak method.append(path); 49fd4a6088SAdriana Kobylak std::vector<std::string> interfaces; 50fd4a6088SAdriana Kobylak method.append(interfaces); 51fd4a6088SAdriana Kobylak 52fd4a6088SAdriana Kobylak std::vector<std::pair<std::string, std::vector<std::string>>> response; 53fd4a6088SAdriana Kobylak 54fd4a6088SAdriana Kobylak try 55fd4a6088SAdriana Kobylak { 56fd4a6088SAdriana Kobylak auto reply = bus.call(method); 57fd4a6088SAdriana Kobylak reply.read(response); 58fd4a6088SAdriana Kobylak if (response.empty()) 59fd4a6088SAdriana Kobylak { 60fd4a6088SAdriana Kobylak return std::string{}; 61fd4a6088SAdriana Kobylak } 62fd4a6088SAdriana Kobylak } 637b5685d1SPatrick Williams catch (const sdbusplus::exception::exception& e) 64fd4a6088SAdriana Kobylak { 65fd4a6088SAdriana Kobylak return std::string{}; 66fd4a6088SAdriana Kobylak } 67fd4a6088SAdriana Kobylak return response[0].first; 68fd4a6088SAdriana Kobylak } 69fd4a6088SAdriana Kobylak 70fd4a6088SAdriana Kobylak /** 71ebf67bf7SAdriana Kobylak * @brief Returns the managed objects for a given service 72ebf67bf7SAdriana Kobylak */ 73ebf67bf7SAdriana Kobylak ManagedObjectType getManagedObjects(sdbusplus::bus::bus& bus, 74ebf67bf7SAdriana Kobylak const std::string& service) 75ebf67bf7SAdriana Kobylak { 76ebf67bf7SAdriana Kobylak auto method = bus.new_method_call(service.c_str(), "/", 77ebf67bf7SAdriana Kobylak "org.freedesktop.DBus.ObjectManager", 78ebf67bf7SAdriana Kobylak "GetManagedObjects"); 79ebf67bf7SAdriana Kobylak 80ebf67bf7SAdriana Kobylak ManagedObjectType objects; 81ebf67bf7SAdriana Kobylak 82ebf67bf7SAdriana Kobylak try 83ebf67bf7SAdriana Kobylak { 84ebf67bf7SAdriana Kobylak auto reply = bus.call(method); 85ebf67bf7SAdriana Kobylak reply.read(objects); 86ebf67bf7SAdriana Kobylak } 877b5685d1SPatrick Williams catch (const sdbusplus::exception::exception& e) 88ebf67bf7SAdriana Kobylak { 89ebf67bf7SAdriana Kobylak return ManagedObjectType{}; 90ebf67bf7SAdriana Kobylak } 91ebf67bf7SAdriana Kobylak return objects; 92ebf67bf7SAdriana Kobylak } 93ebf67bf7SAdriana Kobylak 94ebf67bf7SAdriana Kobylak /** 95099543e4SBrad Bishop * @brief Issue callbacks safely 96099543e4SBrad Bishop * 97099543e4SBrad Bishop * std::function can be empty, so this wrapper method checks for that prior to 98099543e4SBrad Bishop * calling it to avoid std::bad_function_call 99099543e4SBrad Bishop * 100099543e4SBrad Bishop * @tparam Sig the types of the std::function arguments 101099543e4SBrad Bishop * @tparam Args the deduced argument types 102099543e4SBrad Bishop * @param[in] callback the callback being wrapped 103099543e4SBrad Bishop * @param[in] args the callback arguments 104099543e4SBrad Bishop */ 105099543e4SBrad Bishop template <typename... Sig, typename... Args> 106099543e4SBrad Bishop void makeCallback(const std::function<void(Sig...)>& callback, Args&&... args) 107099543e4SBrad Bishop { 108099543e4SBrad Bishop if (callback) 109099543e4SBrad Bishop { 110099543e4SBrad Bishop callback(std::forward<Args>(args)...); 111099543e4SBrad Bishop } 112099543e4SBrad Bishop } 113099543e4SBrad Bishop 114099543e4SBrad Bishop /** 115099543e4SBrad Bishop * @brief Get file extensions for IBMCompatibleSystem 116099543e4SBrad Bishop * 117099543e4SBrad Bishop * IBM host firmware can be deployed as blobs (files) in a filesystem. Host 118099543e4SBrad Bishop * firmware blobs for different values of 119099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem are packaged with 120099543e4SBrad Bishop * different filename extensions. getExtensionsForIbmCompatibleSystem 121099543e4SBrad Bishop * maintains the mapping from a given value of 122099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem to an array of 123099543e4SBrad Bishop * filename extensions. 124099543e4SBrad Bishop * 125099543e4SBrad Bishop * If a mapping is found getExtensionsForIbmCompatibleSystem returns true and 126099543e4SBrad Bishop * the extensions parameter is reset with the map entry. If no mapping is 127099543e4SBrad Bishop * found getExtensionsForIbmCompatibleSystem returns false and extensions is 128099543e4SBrad Bishop * unmodified. 129099543e4SBrad Bishop * 130099543e4SBrad Bishop * @param[in] extensionMap a map of 131099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem to host firmware blob 132099543e4SBrad Bishop * file extensions. 133099543e4SBrad Bishop * @param[in] ibmCompatibleSystem The names property of an instance of 134099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem 135099543e4SBrad Bishop * @param[out] extentions the host firmware blob file extensions 136099543e4SBrad Bishop * @return true if an entry was found, otherwise false 137099543e4SBrad Bishop */ 138099543e4SBrad Bishop bool getExtensionsForIbmCompatibleSystem( 139099543e4SBrad Bishop const std::map<std::string, std::vector<std::string>>& extensionMap, 140099543e4SBrad Bishop const std::vector<std::string>& ibmCompatibleSystem, 141099543e4SBrad Bishop std::vector<std::string>& extensions) 142099543e4SBrad Bishop { 143099543e4SBrad Bishop for (const auto& system : ibmCompatibleSystem) 144099543e4SBrad Bishop { 145099543e4SBrad Bishop auto extensionMapIterator = extensionMap.find(system); 146099543e4SBrad Bishop if (extensionMapIterator != extensionMap.end()) 147099543e4SBrad Bishop { 148099543e4SBrad Bishop extensions = extensionMapIterator->second; 149099543e4SBrad Bishop return true; 150099543e4SBrad Bishop } 151099543e4SBrad Bishop } 152099543e4SBrad Bishop 153099543e4SBrad Bishop return false; 154099543e4SBrad Bishop } 155099543e4SBrad Bishop 156099543e4SBrad Bishop /** 157099543e4SBrad Bishop * @brief Write host firmware well-known name 158099543e4SBrad Bishop * 159099543e4SBrad Bishop * A wrapper around std::filesystem::create_symlink that avoids EEXIST by 160099543e4SBrad Bishop * deleting any pre-existing file. 161099543e4SBrad Bishop * 162099543e4SBrad Bishop * @param[in] linkTarget The link target argument to 163099543e4SBrad Bishop * std::filesystem::create_symlink 164099543e4SBrad Bishop * @param[in] linkPath The link path argument to std::filesystem::create_symlink 165099543e4SBrad Bishop * @param[in] errorCallback A callback made in the event of filesystem errors. 166099543e4SBrad Bishop */ 167099543e4SBrad Bishop void writeLink(const std::filesystem::path& linkTarget, 168099543e4SBrad Bishop const std::filesystem::path& linkPath, 169099543e4SBrad Bishop const ErrorCallbackType& errorCallback) 170099543e4SBrad Bishop { 171099543e4SBrad Bishop std::error_code ec; 172099543e4SBrad Bishop 173099543e4SBrad Bishop // remove files with the same name as the symlink to be created, 174099543e4SBrad Bishop // otherwise symlink will fail with EEXIST. 175099543e4SBrad Bishop if (!std::filesystem::remove(linkPath, ec)) 176099543e4SBrad Bishop { 177099543e4SBrad Bishop if (ec) 178099543e4SBrad Bishop { 179099543e4SBrad Bishop makeCallback(errorCallback, linkPath, ec); 180099543e4SBrad Bishop return; 181099543e4SBrad Bishop } 182099543e4SBrad Bishop } 183099543e4SBrad Bishop 184099543e4SBrad Bishop std::filesystem::create_symlink(linkTarget, linkPath, ec); 185099543e4SBrad Bishop if (ec) 186099543e4SBrad Bishop { 187099543e4SBrad Bishop makeCallback(errorCallback, linkPath, ec); 188099543e4SBrad Bishop return; 189099543e4SBrad Bishop } 190099543e4SBrad Bishop } 191099543e4SBrad Bishop 192099543e4SBrad Bishop /** 193099543e4SBrad Bishop * @brief Find host firmware blob files that need well-known names 194099543e4SBrad Bishop * 195099543e4SBrad Bishop * The IBM host firmware runtime looks for data and/or additional code while 196099543e4SBrad Bishop * bootstraping in files with well-known names. findLinks uses the provided 197099543e4SBrad Bishop * extensions argument to find host firmware blob files that require a 198099543e4SBrad Bishop * well-known name. When a blob is found, issue the provided callback 199099543e4SBrad Bishop * (typically a function that will write a symlink). 200099543e4SBrad Bishop * 201099543e4SBrad Bishop * @param[in] hostFirmwareDirectory The directory in which findLinks should 202099543e4SBrad Bishop * look for host firmware blob files that need well-known names. 203099543e4SBrad Bishop * @param[in] extentions The extensions of the firmware blob files denote a 204099543e4SBrad Bishop * host firmware blob file requires a well-known name. 205099543e4SBrad Bishop * @param[in] errorCallback A callback made in the event of filesystem errors. 206099543e4SBrad Bishop * @param[in] linkCallback A callback made when host firmware blob files 207099543e4SBrad Bishop * needing a well known name are found. 208099543e4SBrad Bishop */ 209099543e4SBrad Bishop void findLinks(const std::filesystem::path& hostFirmwareDirectory, 210099543e4SBrad Bishop const std::vector<std::string>& extensions, 211099543e4SBrad Bishop const ErrorCallbackType& errorCallback, 212099543e4SBrad Bishop const LinkCallbackType& linkCallback) 213099543e4SBrad Bishop { 214099543e4SBrad Bishop std::error_code ec; 215099543e4SBrad Bishop std::filesystem::directory_iterator directoryIterator(hostFirmwareDirectory, 216099543e4SBrad Bishop ec); 217099543e4SBrad Bishop if (ec) 218099543e4SBrad Bishop { 219099543e4SBrad Bishop makeCallback(errorCallback, hostFirmwareDirectory, ec); 220099543e4SBrad Bishop return; 221099543e4SBrad Bishop } 222099543e4SBrad Bishop 2234e82bc84SAdriana Kobylak // Create a symlink for pnor.toc 2244e82bc84SAdriana Kobylak static const auto tocLid = "81e00994.lid"; 2254e82bc84SAdriana Kobylak auto tocLidPath = hostFirmwareDirectory / tocLid; 2264e82bc84SAdriana Kobylak if (std::filesystem::exists(tocLidPath)) 2274e82bc84SAdriana Kobylak { 2284e82bc84SAdriana Kobylak static const auto tocName = "pnor.toc"; 2294e82bc84SAdriana Kobylak auto tocLinkPath = hostFirmwareDirectory / tocName; 2304e82bc84SAdriana Kobylak makeCallback(linkCallback, tocLid, tocLinkPath, errorCallback); 2314e82bc84SAdriana Kobylak } 2324e82bc84SAdriana Kobylak 233099543e4SBrad Bishop for (; directoryIterator != std::filesystem::end(directoryIterator); 234099543e4SBrad Bishop directoryIterator.increment(ec)) 235099543e4SBrad Bishop { 236099543e4SBrad Bishop const auto& file = directoryIterator->path(); 237099543e4SBrad Bishop if (ec) 238099543e4SBrad Bishop { 239099543e4SBrad Bishop makeCallback(errorCallback, file, ec); 240099543e4SBrad Bishop // quit here if the increment call failed otherwise the loop may 241099543e4SBrad Bishop // never finish 242099543e4SBrad Bishop break; 243099543e4SBrad Bishop } 244099543e4SBrad Bishop 245099543e4SBrad Bishop if (std::find(extensions.begin(), extensions.end(), file.extension()) == 246099543e4SBrad Bishop extensions.end()) 247099543e4SBrad Bishop { 248099543e4SBrad Bishop // this file doesn't have an extension or doesn't match any of the 249099543e4SBrad Bishop // provided extensions. 250099543e4SBrad Bishop continue; 251099543e4SBrad Bishop } 252099543e4SBrad Bishop 253099543e4SBrad Bishop auto linkPath(file.parent_path().append( 254099543e4SBrad Bishop static_cast<const std::string&>(file.stem()))); 255099543e4SBrad Bishop 256099543e4SBrad Bishop makeCallback(linkCallback, file.filename(), linkPath, errorCallback); 257099543e4SBrad Bishop } 258099543e4SBrad Bishop } 259099543e4SBrad Bishop 260099543e4SBrad Bishop /** 261ae0998f1SAdriana Kobylak * @brief Parse the elements json file and construct a string with the data to 262ae0998f1SAdriana Kobylak * be used to update the bios attribute table. 263ae0998f1SAdriana Kobylak * 264ae0998f1SAdriana Kobylak * @param[in] elementsJsonFilePath - The path to the host firmware json file. 265ae0998f1SAdriana Kobylak * @param[in] extensions - The extensions of the firmware blob files. 26653a27395SAdriana Kobylak */ 267ae0998f1SAdriana Kobylak std::string getBiosAttrStr(const std::filesystem::path& elementsJsonFilePath, 268ae0998f1SAdriana Kobylak const std::vector<std::string>& extensions) 26956f538caSAdriana Kobylak { 27056f538caSAdriana Kobylak std::string biosAttrStr{}; 27156f538caSAdriana Kobylak 272ae0998f1SAdriana Kobylak std::ifstream jsonFile(elementsJsonFilePath.c_str()); 273ae0998f1SAdriana Kobylak if (!jsonFile) 274ae0998f1SAdriana Kobylak { 275ae0998f1SAdriana Kobylak return {}; 276ae0998f1SAdriana Kobylak } 277ae0998f1SAdriana Kobylak 278ae0998f1SAdriana Kobylak std::map<std::string, std::string> attr; 279ae0998f1SAdriana Kobylak auto data = nlohmann::json::parse(jsonFile, nullptr, false); 280ae0998f1SAdriana Kobylak if (data.is_discarded()) 281ae0998f1SAdriana Kobylak { 282ae0998f1SAdriana Kobylak log<level::ERR>("Error parsing JSON file", 283ae0998f1SAdriana Kobylak entry("FILE=%s", elementsJsonFilePath.c_str())); 284ae0998f1SAdriana Kobylak return {}; 285ae0998f1SAdriana Kobylak } 286ae0998f1SAdriana Kobylak 287ae0998f1SAdriana Kobylak // .get requires a non-const iterator 288ae0998f1SAdriana Kobylak for (auto& iter : data["lids"]) 289ae0998f1SAdriana Kobylak { 290ae0998f1SAdriana Kobylak std::string name{}; 291ae0998f1SAdriana Kobylak std::string lid{}; 292ae0998f1SAdriana Kobylak 293ae0998f1SAdriana Kobylak try 294ae0998f1SAdriana Kobylak { 295ae0998f1SAdriana Kobylak name = iter["element_name"].get<std::string>(); 296ae0998f1SAdriana Kobylak lid = iter["short_lid_name"].get<std::string>(); 297ae0998f1SAdriana Kobylak } 298ae0998f1SAdriana Kobylak catch (std::exception& e) 299ae0998f1SAdriana Kobylak { 300ae0998f1SAdriana Kobylak // Possibly the element or lid name field was not found 301ae0998f1SAdriana Kobylak log<level::ERR>("Error reading JSON field", 302ae0998f1SAdriana Kobylak entry("FILE=%s", elementsJsonFilePath.c_str()), 303ae0998f1SAdriana Kobylak entry("ERROR=%s", e.what())); 304ae0998f1SAdriana Kobylak continue; 305ae0998f1SAdriana Kobylak } 306ae0998f1SAdriana Kobylak 307ae0998f1SAdriana Kobylak // The elements with the ipl extension have higher priority. Therefore 308ae0998f1SAdriana Kobylak // Use operator[] to overwrite value if an entry for it already exists. 309ae0998f1SAdriana Kobylak // Ex: if the JSON contains an entry A.P10 followed by A.P10.iplTime, 310ae0998f1SAdriana Kobylak // the lid value for the latter one will be overwrite the value of the 311ae0998f1SAdriana Kobylak // first one. 312ae0998f1SAdriana Kobylak constexpr auto iplExtension = ".iplTime"; 313ae0998f1SAdriana Kobylak std::filesystem::path path(name); 314ae0998f1SAdriana Kobylak if (path.extension() == iplExtension) 315ae0998f1SAdriana Kobylak { 316ae0998f1SAdriana Kobylak // Some elements have an additional extension, ex: .P10.iplTime 317ae0998f1SAdriana Kobylak // Strip off the ipl extension with stem(), then check if there is 318ae0998f1SAdriana Kobylak // an additional extension with extension(). 319ae0998f1SAdriana Kobylak if (!path.stem().extension().empty()) 320ae0998f1SAdriana Kobylak { 321ae0998f1SAdriana Kobylak // Check if the extension matches the extensions for this system 322ae0998f1SAdriana Kobylak if (std::find(extensions.begin(), extensions.end(), 323ae0998f1SAdriana Kobylak path.stem().extension()) == extensions.end()) 324ae0998f1SAdriana Kobylak { 325ae0998f1SAdriana Kobylak continue; 326ae0998f1SAdriana Kobylak } 327ae0998f1SAdriana Kobylak } 328ae0998f1SAdriana Kobylak // Get the element name without extensions by calling stem() twice 329ae0998f1SAdriana Kobylak // since stem() returns the base name if no periods are found. 330ae0998f1SAdriana Kobylak // Therefore both "element.P10" and "element.P10.iplTime" would 331ae0998f1SAdriana Kobylak // become "element". 332ae0998f1SAdriana Kobylak attr[path.stem().stem()] = lid; 333ae0998f1SAdriana Kobylak continue; 334ae0998f1SAdriana Kobylak } 335ae0998f1SAdriana Kobylak 336ae0998f1SAdriana Kobylak // Process all other extensions. The extension should match the list of 337ae0998f1SAdriana Kobylak // supported extensions for this system. Use .insert() to only add 338ae0998f1SAdriana Kobylak // entries that do not exist, so to not overwrite the values that may 339ae0998f1SAdriana Kobylak // had been added that had the ipl extension. 340ae0998f1SAdriana Kobylak if (std::find(extensions.begin(), extensions.end(), path.extension()) != 341ae0998f1SAdriana Kobylak extensions.end()) 342ae0998f1SAdriana Kobylak { 343ae0998f1SAdriana Kobylak attr.insert({path.stem(), lid}); 344ae0998f1SAdriana Kobylak } 345ae0998f1SAdriana Kobylak } 346ae0998f1SAdriana Kobylak for (const auto& a : attr) 347ae0998f1SAdriana Kobylak { 348ae0998f1SAdriana Kobylak // Build the bios attribute string with format: 349ae0998f1SAdriana Kobylak // "element1=lid1,element2=lid2,elementN=lidN," 350ae0998f1SAdriana Kobylak biosAttrStr += a.first + "=" + a.second + ","; 3515dc5d6ccSAdriana Kobylak 3525dc5d6ccSAdriana Kobylak // Create symlinks from the hostfw elements to their corresponding 3535dc5d6ccSAdriana Kobylak // lid files if they don't exist 3545dc5d6ccSAdriana Kobylak auto elementFilePath = 3555dc5d6ccSAdriana Kobylak std::filesystem::path("/media/hostfw/running") / a.first; 3565dc5d6ccSAdriana Kobylak if (!std::filesystem::exists(elementFilePath)) 3575dc5d6ccSAdriana Kobylak { 3585dc5d6ccSAdriana Kobylak std::error_code ec; 3595dc5d6ccSAdriana Kobylak auto lidName = a.second + ".lid"; 3605dc5d6ccSAdriana Kobylak std::filesystem::create_symlink(lidName, elementFilePath, ec); 3615dc5d6ccSAdriana Kobylak if (ec) 3625dc5d6ccSAdriana Kobylak { 3635dc5d6ccSAdriana Kobylak log<level::ERR>("Error creating symlink", 3645dc5d6ccSAdriana Kobylak entry("TARGET=%s", lidName.c_str()), 3655dc5d6ccSAdriana Kobylak entry("LINK=%s", elementFilePath.c_str())); 3665dc5d6ccSAdriana Kobylak } 3675dc5d6ccSAdriana Kobylak } 368ae0998f1SAdriana Kobylak } 369ae0998f1SAdriana Kobylak 370*a38f6e65SGeorge Liu // Delete the last comma of the bios attribute string 371*a38f6e65SGeorge Liu if (biosAttrStr.back() == ',') 372*a38f6e65SGeorge Liu { 373*a38f6e65SGeorge Liu return biosAttrStr.substr(0, biosAttrStr.length() - 1); 374*a38f6e65SGeorge Liu } 375*a38f6e65SGeorge Liu 376ae0998f1SAdriana Kobylak return biosAttrStr; 377ae0998f1SAdriana Kobylak } 378ae0998f1SAdriana Kobylak 379ae0998f1SAdriana Kobylak /** 380ae0998f1SAdriana Kobylak * @brief Set the bios attribute table with details of the host firmware data 381ae0998f1SAdriana Kobylak * for this system. 382ae0998f1SAdriana Kobylak * 383ae0998f1SAdriana Kobylak * @param[in] elementsJsonFilePath - The path to the host firmware json file. 384ae0998f1SAdriana Kobylak * @param[in] extentions - The extensions of the firmware blob files. 385ae0998f1SAdriana Kobylak */ 386ae0998f1SAdriana Kobylak void setBiosAttr(const std::filesystem::path& elementsJsonFilePath, 387ae0998f1SAdriana Kobylak const std::vector<std::string>& extensions) 388ae0998f1SAdriana Kobylak { 389ae0998f1SAdriana Kobylak auto biosAttrStr = getBiosAttrStr(elementsJsonFilePath, extensions); 390ae0998f1SAdriana Kobylak 39156f538caSAdriana Kobylak constexpr auto biosConfigPath = "/xyz/openbmc_project/bios_config/manager"; 39256f538caSAdriana Kobylak constexpr auto biosConfigIntf = "xyz.openbmc_project.BIOSConfig.Manager"; 39356f538caSAdriana Kobylak constexpr auto dbusAttrName = "hb_lid_ids"; 39456f538caSAdriana Kobylak constexpr auto dbusAttrType = 39556f538caSAdriana Kobylak "xyz.openbmc_project.BIOSConfig.Manager.AttributeType.String"; 39656f538caSAdriana Kobylak 39756f538caSAdriana Kobylak using PendingAttributesType = std::vector<std::pair< 39856f538caSAdriana Kobylak std::string, std::tuple<std::string, std::variant<std::string>>>>; 39956f538caSAdriana Kobylak PendingAttributesType pendingAttributes; 40056f538caSAdriana Kobylak pendingAttributes.emplace_back(std::make_pair( 40156f538caSAdriana Kobylak dbusAttrName, std::make_tuple(dbusAttrType, biosAttrStr))); 40256f538caSAdriana Kobylak 40356f538caSAdriana Kobylak auto bus = sdbusplus::bus::new_default(); 40456f538caSAdriana Kobylak auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, 40556f538caSAdriana Kobylak MAPPER_INTERFACE, "GetObject"); 40656f538caSAdriana Kobylak method.append(biosConfigPath, std::vector<std::string>({biosConfigIntf})); 40756f538caSAdriana Kobylak std::vector<std::pair<std::string, std::vector<std::string>>> response; 40856f538caSAdriana Kobylak try 40956f538caSAdriana Kobylak { 41056f538caSAdriana Kobylak auto reply = bus.call(method); 41156f538caSAdriana Kobylak reply.read(response); 41256f538caSAdriana Kobylak if (response.empty()) 41356f538caSAdriana Kobylak { 41456f538caSAdriana Kobylak log<level::ERR>("Error reading mapper response", 41556f538caSAdriana Kobylak entry("PATH=%s", biosConfigPath), 41656f538caSAdriana Kobylak entry("INTERFACE=%s", biosConfigIntf)); 41756f538caSAdriana Kobylak return; 41856f538caSAdriana Kobylak } 41956f538caSAdriana Kobylak auto method = bus.new_method_call((response.begin()->first).c_str(), 42056f538caSAdriana Kobylak biosConfigPath, 42156f538caSAdriana Kobylak SYSTEMD_PROPERTY_INTERFACE, "Set"); 42256f538caSAdriana Kobylak method.append(biosConfigIntf, "PendingAttributes", 42356f538caSAdriana Kobylak std::variant<PendingAttributesType>(pendingAttributes)); 42456f538caSAdriana Kobylak bus.call(method); 42556f538caSAdriana Kobylak } 4267b5685d1SPatrick Williams catch (const sdbusplus::exception::exception& e) 42756f538caSAdriana Kobylak { 42856f538caSAdriana Kobylak log<level::ERR>("Error setting the bios attribute", 42956f538caSAdriana Kobylak entry("ERROR=%s", e.what()), 43056f538caSAdriana Kobylak entry("ATTRIBUTE=%s", dbusAttrName)); 43156f538caSAdriana Kobylak return; 43256f538caSAdriana Kobylak } 43356f538caSAdriana Kobylak } 43453a27395SAdriana Kobylak 43553a27395SAdriana Kobylak /** 436099543e4SBrad Bishop * @brief Make callbacks on 437099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem instances. 438099543e4SBrad Bishop * 439099543e4SBrad Bishop * Look for an instance of 440099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem in the provided 441099543e4SBrad Bishop * argument and if found, issue the provided callback. 442099543e4SBrad Bishop * 443099543e4SBrad Bishop * @param[in] interfacesAndProperties the interfaces in which to look for an 444099543e4SBrad Bishop * instance of xyz.openbmc_project.Configuration.IBMCompatibleSystem 445099543e4SBrad Bishop * @param[in] callback the user callback to make if 446099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem is found in 447099543e4SBrad Bishop * interfacesAndProperties 448099543e4SBrad Bishop * @return true if interfacesAndProperties contained an instance of 449099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem, false otherwise 450099543e4SBrad Bishop */ 451099543e4SBrad Bishop bool maybeCall(const std::map<std::string, 452099543e4SBrad Bishop std::map<std::string, 453099543e4SBrad Bishop std::variant<std::vector<std::string>>>>& 454099543e4SBrad Bishop interfacesAndProperties, 455099543e4SBrad Bishop const MaybeCallCallbackType& callback) 456099543e4SBrad Bishop { 457099543e4SBrad Bishop using namespace std::string_literals; 458099543e4SBrad Bishop 459099543e4SBrad Bishop static const auto interfaceName = 460099543e4SBrad Bishop "xyz.openbmc_project.Configuration.IBMCompatibleSystem"s; 461099543e4SBrad Bishop auto interfaceIterator = interfacesAndProperties.find(interfaceName); 462099543e4SBrad Bishop if (interfaceIterator == interfacesAndProperties.cend()) 463099543e4SBrad Bishop { 464099543e4SBrad Bishop // IBMCompatibleSystem interface not found, so instruct the caller to 465099543e4SBrad Bishop // keep waiting or try again later. 466099543e4SBrad Bishop return false; 467099543e4SBrad Bishop } 468099543e4SBrad Bishop auto propertyIterator = interfaceIterator->second.find("Names"s); 469099543e4SBrad Bishop if (propertyIterator == interfaceIterator->second.cend()) 470099543e4SBrad Bishop { 471099543e4SBrad Bishop // The interface exists but the property doesn't. This is a bug in the 472099543e4SBrad Bishop // IBMCompatibleSystem implementation. The caller should not try 473099543e4SBrad Bishop // again. 474099543e4SBrad Bishop std::cerr << "Names property not implemented on " << interfaceName 475099543e4SBrad Bishop << "\n"; 476099543e4SBrad Bishop return true; 477099543e4SBrad Bishop } 478099543e4SBrad Bishop 479099543e4SBrad Bishop const auto& ibmCompatibleSystem = 480099543e4SBrad Bishop std::get<std::vector<std::string>>(propertyIterator->second); 481099543e4SBrad Bishop if (callback) 482099543e4SBrad Bishop { 483099543e4SBrad Bishop callback(ibmCompatibleSystem); 484099543e4SBrad Bishop } 485099543e4SBrad Bishop 486099543e4SBrad Bishop // IBMCompatibleSystem found and callback issued. 487099543e4SBrad Bishop return true; 488099543e4SBrad Bishop } 489099543e4SBrad Bishop 490099543e4SBrad Bishop /** 491099543e4SBrad Bishop * @brief Make callbacks on 492099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem instances. 493099543e4SBrad Bishop * 494099543e4SBrad Bishop * Look for an instance of 495099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem in the provided 496099543e4SBrad Bishop * argument and if found, issue the provided callback. 497099543e4SBrad Bishop * 498099543e4SBrad Bishop * @param[in] message the DBus message in which to look for an instance of 499099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem 500099543e4SBrad Bishop * @param[in] callback the user callback to make if 501099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem is found in 502099543e4SBrad Bishop * message 503099543e4SBrad Bishop * @return true if message contained an instance of 504099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem, false otherwise 505099543e4SBrad Bishop */ 506099543e4SBrad Bishop bool maybeCallMessage(sdbusplus::message::message& message, 507099543e4SBrad Bishop const MaybeCallCallbackType& callback) 508099543e4SBrad Bishop { 509099543e4SBrad Bishop std::map<std::string, 510099543e4SBrad Bishop std::map<std::string, std::variant<std::vector<std::string>>>> 511099543e4SBrad Bishop interfacesAndProperties; 512099543e4SBrad Bishop sdbusplus::message::object_path _; 513099543e4SBrad Bishop message.read(_, interfacesAndProperties); 514099543e4SBrad Bishop return maybeCall(interfacesAndProperties, callback); 515099543e4SBrad Bishop } 516099543e4SBrad Bishop 517099543e4SBrad Bishop /** 518099543e4SBrad Bishop * @brief Determine system support for host firmware well-known names. 519099543e4SBrad Bishop * 520099543e4SBrad Bishop * Using the provided extensionMap and 521099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem, determine if 522099543e4SBrad Bishop * well-known names for host firmare blob files are necessary and if so, create 523099543e4SBrad Bishop * them. 524099543e4SBrad Bishop * 525099543e4SBrad Bishop * @param[in] extensionMap a map of 526099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem to host firmware blob 527099543e4SBrad Bishop * file extensions. 528099543e4SBrad Bishop * @param[in] hostFirmwareDirectory The directory in which findLinks should 529099543e4SBrad Bishop * look for host firmware blob files that need well-known names. 530099543e4SBrad Bishop * @param[in] ibmCompatibleSystem The names property of an instance of 531099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem 532099543e4SBrad Bishop * @param[in] errorCallback A callback made in the event of filesystem errors. 533099543e4SBrad Bishop */ 534099543e4SBrad Bishop void maybeMakeLinks( 535099543e4SBrad Bishop const std::map<std::string, std::vector<std::string>>& extensionMap, 536099543e4SBrad Bishop const std::filesystem::path& hostFirmwareDirectory, 537099543e4SBrad Bishop const std::vector<std::string>& ibmCompatibleSystem, 538099543e4SBrad Bishop const ErrorCallbackType& errorCallback) 539099543e4SBrad Bishop { 540099543e4SBrad Bishop std::vector<std::string> extensions; 541099543e4SBrad Bishop if (getExtensionsForIbmCompatibleSystem(extensionMap, ibmCompatibleSystem, 542099543e4SBrad Bishop extensions)) 543099543e4SBrad Bishop { 544099543e4SBrad Bishop findLinks(hostFirmwareDirectory, extensions, errorCallback, writeLink); 545099543e4SBrad Bishop } 546099543e4SBrad Bishop } 547099543e4SBrad Bishop 548099543e4SBrad Bishop /** 54953a27395SAdriana Kobylak * @brief Determine system support for updating the bios attribute table. 55053a27395SAdriana Kobylak * 55153a27395SAdriana Kobylak * Using the provided extensionMap and 55253a27395SAdriana Kobylak * xyz.openbmc_project.Configuration.IBMCompatibleSystem, determine if the bios 55353a27395SAdriana Kobylak * attribute table needs to be updated. 55453a27395SAdriana Kobylak * 55553a27395SAdriana Kobylak * @param[in] extensionMap a map of 55653a27395SAdriana Kobylak * xyz.openbmc_project.Configuration.IBMCompatibleSystem to host firmware blob 55753a27395SAdriana Kobylak * file extensions. 558ae0998f1SAdriana Kobylak * @param[in] elementsJsonFilePath The file path to the json file 55953a27395SAdriana Kobylak * @param[in] ibmCompatibleSystem The names property of an instance of 56053a27395SAdriana Kobylak * xyz.openbmc_project.Configuration.IBMCompatibleSystem 56153a27395SAdriana Kobylak */ 56253a27395SAdriana Kobylak void maybeSetBiosAttr( 56353a27395SAdriana Kobylak const std::map<std::string, std::vector<std::string>>& extensionMap, 564ae0998f1SAdriana Kobylak const std::filesystem::path& elementsJsonFilePath, 56553a27395SAdriana Kobylak const std::vector<std::string>& ibmCompatibleSystem) 56653a27395SAdriana Kobylak { 56753a27395SAdriana Kobylak std::vector<std::string> extensions; 56853a27395SAdriana Kobylak if (getExtensionsForIbmCompatibleSystem(extensionMap, ibmCompatibleSystem, 56953a27395SAdriana Kobylak extensions)) 57053a27395SAdriana Kobylak { 571ae0998f1SAdriana Kobylak setBiosAttr(elementsJsonFilePath, extensions); 57253a27395SAdriana Kobylak } 57353a27395SAdriana Kobylak } 57453a27395SAdriana Kobylak 57553a27395SAdriana Kobylak /** 576099543e4SBrad Bishop * @brief process host firmware 577099543e4SBrad Bishop * 578099543e4SBrad Bishop * Allocate a callback context and register for DBus.ObjectManager Interfaces 579099543e4SBrad Bishop * added signals from entity manager. 580099543e4SBrad Bishop * 581099543e4SBrad Bishop * Check the current entity manager object tree for a 582099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem instance (entity 583099543e4SBrad Bishop * manager will be dbus activated if it is not running). If one is found, 584099543e4SBrad Bishop * determine if symlinks need to be created and create them. Instruct the 585099543e4SBrad Bishop * program event loop to exit. 586099543e4SBrad Bishop * 587099543e4SBrad Bishop * If no instance of xyz.openbmc_project.Configuration.IBMCompatibleSystem is 588099543e4SBrad Bishop * found return the callback context to main, where the program will sleep 589099543e4SBrad Bishop * until the callback is invoked one or more times and instructs the program 590099543e4SBrad Bishop * event loop to exit when 591099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem is added. 592099543e4SBrad Bishop * 593099543e4SBrad Bishop * @param[in] bus a DBus client connection 594099543e4SBrad Bishop * @param[in] extensionMap a map of 595099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem to host firmware blob 596099543e4SBrad Bishop * file extensions. 597099543e4SBrad Bishop * @param[in] hostFirmwareDirectory The directory in which processHostFirmware 598099543e4SBrad Bishop * should look for blob files. 599099543e4SBrad Bishop * @param[in] errorCallback A callback made in the event of filesystem errors. 600099543e4SBrad Bishop * @param[in] loop a program event loop 601099543e4SBrad Bishop * @return nullptr if an instance of 602099543e4SBrad Bishop * xyz.openbmc_project.Configuration.IBMCompatibleSystem is found, otherwise a 603099543e4SBrad Bishop * pointer to an sdbusplus match object. 604099543e4SBrad Bishop */ 605099543e4SBrad Bishop std::shared_ptr<void> processHostFirmware( 606099543e4SBrad Bishop sdbusplus::bus::bus& bus, 607099543e4SBrad Bishop std::map<std::string, std::vector<std::string>> extensionMap, 608099543e4SBrad Bishop std::filesystem::path hostFirmwareDirectory, 609099543e4SBrad Bishop ErrorCallbackType errorCallback, sdeventplus::Event& loop) 610099543e4SBrad Bishop { 611099543e4SBrad Bishop // ownership of extensionMap, hostFirmwareDirectory and errorCallback can't 612099543e4SBrad Bishop // be transfered to the match callback because they are needed in the non 613099543e4SBrad Bishop // async part of this function below, so they need to be moved to the heap. 614099543e4SBrad Bishop auto pExtensionMap = 615099543e4SBrad Bishop std::make_shared<decltype(extensionMap)>(std::move(extensionMap)); 616099543e4SBrad Bishop auto pHostFirmwareDirectory = 617099543e4SBrad Bishop std::make_shared<decltype(hostFirmwareDirectory)>( 618099543e4SBrad Bishop std::move(hostFirmwareDirectory)); 619099543e4SBrad Bishop auto pErrorCallback = 620099543e4SBrad Bishop std::make_shared<decltype(errorCallback)>(std::move(errorCallback)); 621099543e4SBrad Bishop 622099543e4SBrad Bishop // register for a callback in case the IBMCompatibleSystem interface has 623099543e4SBrad Bishop // not yet been published by entity manager. 624099543e4SBrad Bishop auto interfacesAddedMatch = std::make_shared<sdbusplus::bus::match::match>( 625099543e4SBrad Bishop bus, 626099543e4SBrad Bishop sdbusplus::bus::match::rules::interfacesAdded() + 627099543e4SBrad Bishop sdbusplus::bus::match::rules::sender( 628099543e4SBrad Bishop "xyz.openbmc_project.EntityManager"), 629099543e4SBrad Bishop [pExtensionMap, pHostFirmwareDirectory, pErrorCallback, 630099543e4SBrad Bishop &loop](auto& message) { 631099543e4SBrad Bishop // bind the extension map, host firmware directory, and error 632099543e4SBrad Bishop // callback to the maybeMakeLinks function. 633099543e4SBrad Bishop auto maybeMakeLinksWithArgsBound = 634099543e4SBrad Bishop std::bind(maybeMakeLinks, std::cref(*pExtensionMap), 635099543e4SBrad Bishop std::cref(*pHostFirmwareDirectory), 636099543e4SBrad Bishop std::placeholders::_1, std::cref(*pErrorCallback)); 637099543e4SBrad Bishop 638099543e4SBrad Bishop // if the InterfacesAdded message contains an an instance of 639099543e4SBrad Bishop // xyz.openbmc_project.Configuration.IBMCompatibleSystem, check to 640099543e4SBrad Bishop // see if links are necessary on this system and if so, create 641099543e4SBrad Bishop // them. 642099543e4SBrad Bishop if (maybeCallMessage(message, maybeMakeLinksWithArgsBound)) 643099543e4SBrad Bishop { 644099543e4SBrad Bishop // The IBMCompatibleSystem interface was found and the links 645099543e4SBrad Bishop // were created if applicable. Instruct the event loop / 646099543e4SBrad Bishop // subcommand to exit. 647099543e4SBrad Bishop loop.exit(0); 648099543e4SBrad Bishop } 649099543e4SBrad Bishop }); 650099543e4SBrad Bishop 651099543e4SBrad Bishop // now that we'll get a callback in the event of an InterfacesAdded signal 652099543e4SBrad Bishop // (potentially containing 653099543e4SBrad Bishop // xyz.openbmc_project.Configuration.IBMCompatibleSystem), activate entity 654099543e4SBrad Bishop // manager if it isn't running and enumerate its objects 655099543e4SBrad Bishop auto getManagedObjects = bus.new_method_call( 656099543e4SBrad Bishop "xyz.openbmc_project.EntityManager", "/", 657099543e4SBrad Bishop "org.freedesktop.DBus.ObjectManager", "GetManagedObjects"); 658099543e4SBrad Bishop std::map<std::string, 659099543e4SBrad Bishop std::map<std::string, std::variant<std::vector<std::string>>>> 660099543e4SBrad Bishop interfacesAndProperties; 661099543e4SBrad Bishop std::map<sdbusplus::message::object_path, decltype(interfacesAndProperties)> 662099543e4SBrad Bishop objects; 663c79fa915SAdriana Kobylak try 664c79fa915SAdriana Kobylak { 665c79fa915SAdriana Kobylak auto reply = bus.call(getManagedObjects); 666099543e4SBrad Bishop reply.read(objects); 667c79fa915SAdriana Kobylak } 6687b5685d1SPatrick Williams catch (const sdbusplus::exception::exception& e) 669c79fa915SAdriana Kobylak { 670c79fa915SAdriana Kobylak // Error querying the EntityManager interface. Return the match to have 671c79fa915SAdriana Kobylak // the callback run if/when the interface appears in D-Bus. 672c79fa915SAdriana Kobylak return interfacesAddedMatch; 673c79fa915SAdriana Kobylak } 674099543e4SBrad Bishop 675099543e4SBrad Bishop // bind the extension map, host firmware directory, and error callback to 676099543e4SBrad Bishop // the maybeMakeLinks function. 677099543e4SBrad Bishop auto maybeMakeLinksWithArgsBound = 678099543e4SBrad Bishop std::bind(maybeMakeLinks, std::cref(*pExtensionMap), 679099543e4SBrad Bishop std::cref(*pHostFirmwareDirectory), std::placeholders::_1, 680099543e4SBrad Bishop std::cref(*pErrorCallback)); 681099543e4SBrad Bishop 682099543e4SBrad Bishop for (const auto& pair : objects) 683099543e4SBrad Bishop { 684099543e4SBrad Bishop std::tie(std::ignore, interfacesAndProperties) = pair; 685099543e4SBrad Bishop // if interfacesAndProperties contains an an instance of 686099543e4SBrad Bishop // xyz.openbmc_project.Configuration.IBMCompatibleSystem, check to see 687099543e4SBrad Bishop // if links are necessary on this system and if so, create them 688099543e4SBrad Bishop if (maybeCall(interfacesAndProperties, maybeMakeLinksWithArgsBound)) 689099543e4SBrad Bishop { 690099543e4SBrad Bishop // The IBMCompatibleSystem interface is already on the bus and the 691099543e4SBrad Bishop // links were created if applicable. Instruct the event loop to 692099543e4SBrad Bishop // exit. 693099543e4SBrad Bishop loop.exit(0); 694099543e4SBrad Bishop // The match object isn't needed anymore, so destroy it on return. 695099543e4SBrad Bishop return nullptr; 696099543e4SBrad Bishop } 697099543e4SBrad Bishop } 698099543e4SBrad Bishop 699099543e4SBrad Bishop // The IBMCompatibleSystem interface has not yet been published. Move 700099543e4SBrad Bishop // ownership of the match callback to the caller. 701099543e4SBrad Bishop return interfacesAddedMatch; 702099543e4SBrad Bishop } 70353a27395SAdriana Kobylak 70453a27395SAdriana Kobylak /** 70553a27395SAdriana Kobylak * @brief Update the Bios Attribute Table 70653a27395SAdriana Kobylak * 70753a27395SAdriana Kobylak * If an instance of xyz.openbmc_project.Configuration.IBMCompatibleSystem is 70853a27395SAdriana Kobylak * found, update the Bios Attribute Table with the appropriate host firmware 70953a27395SAdriana Kobylak * data. 71053a27395SAdriana Kobylak * 71153a27395SAdriana Kobylak * @param[in] bus - D-Bus client connection. 71253a27395SAdriana Kobylak * @param[in] extensionMap - Map of IBMCompatibleSystem names and host firmware 71353a27395SAdriana Kobylak * file extensions. 714ae0998f1SAdriana Kobylak * @param[in] elementsJsonFilePath - The Path to the json file 71553a27395SAdriana Kobylak * @param[in] loop - Program event loop. 71653a27395SAdriana Kobylak * @return nullptr 71753a27395SAdriana Kobylak */ 718ebf67bf7SAdriana Kobylak std::vector<std::shared_ptr<void>> updateBiosAttrTable( 71953a27395SAdriana Kobylak sdbusplus::bus::bus& bus, 72053a27395SAdriana Kobylak std::map<std::string, std::vector<std::string>> extensionMap, 721ae0998f1SAdriana Kobylak std::filesystem::path elementsJsonFilePath, sdeventplus::Event& loop) 72253a27395SAdriana Kobylak { 723d0379ea5SAdriana Kobylak constexpr auto pldmPath = "/xyz/openbmc_project/pldm"; 724ebf67bf7SAdriana Kobylak constexpr auto entityManagerServiceName = 725ebf67bf7SAdriana Kobylak "xyz.openbmc_project.EntityManager"; 726d0379ea5SAdriana Kobylak 72753a27395SAdriana Kobylak auto pExtensionMap = 72853a27395SAdriana Kobylak std::make_shared<decltype(extensionMap)>(std::move(extensionMap)); 729ae0998f1SAdriana Kobylak auto pElementsJsonFilePath = 730ae0998f1SAdriana Kobylak std::make_shared<decltype(elementsJsonFilePath)>( 731ae0998f1SAdriana Kobylak std::move(elementsJsonFilePath)); 73253a27395SAdriana Kobylak 733d0379ea5SAdriana Kobylak // Entity Manager is needed to get the list of supported extensions. Add a 734d0379ea5SAdriana Kobylak // match to monitor interfaces added in case it's not running yet. 735d0379ea5SAdriana Kobylak auto maybeSetAttrWithArgsBound = 736d0379ea5SAdriana Kobylak std::bind(maybeSetBiosAttr, std::cref(*pExtensionMap), 737d0379ea5SAdriana Kobylak std::cref(*pElementsJsonFilePath), std::placeholders::_1); 738d0379ea5SAdriana Kobylak 739ebf67bf7SAdriana Kobylak std::vector<std::shared_ptr<void>> matches; 740ebf67bf7SAdriana Kobylak matches.emplace_back(std::make_shared<sdbusplus::bus::match::match>( 741d0379ea5SAdriana Kobylak bus, 742d0379ea5SAdriana Kobylak sdbusplus::bus::match::rules::interfacesAdded() + 743d0379ea5SAdriana Kobylak sdbusplus::bus::match::rules::sender( 744d0379ea5SAdriana Kobylak "xyz.openbmc_project.EntityManager"), 745d0379ea5SAdriana Kobylak [pldmPath, pExtensionMap, pElementsJsonFilePath, 746d0379ea5SAdriana Kobylak maybeSetAttrWithArgsBound, &loop](auto& message) { 747d0379ea5SAdriana Kobylak auto bus = sdbusplus::bus::new_default(); 748fd4a6088SAdriana Kobylak auto pldmObject = getObject(bus, pldmPath); 749fd4a6088SAdriana Kobylak if (pldmObject.empty()) 750fd4a6088SAdriana Kobylak { 751d0379ea5SAdriana Kobylak return; 752d0379ea5SAdriana Kobylak } 753d0379ea5SAdriana Kobylak if (maybeCallMessage(message, maybeSetAttrWithArgsBound)) 754d0379ea5SAdriana Kobylak { 755fd4a6088SAdriana Kobylak loop.exit(0); 756d0379ea5SAdriana Kobylak } 757ebf67bf7SAdriana Kobylak })); 758ebf67bf7SAdriana Kobylak matches.emplace_back(std::make_shared<sdbusplus::bus::match::match>( 759ebf67bf7SAdriana Kobylak bus, 760ebf67bf7SAdriana Kobylak sdbusplus::bus::match::rules::nameOwnerChanged() + 761ebf67bf7SAdriana Kobylak sdbusplus::bus::match::rules::arg0namespace( 762ebf67bf7SAdriana Kobylak "xyz.openbmc_project.PLDM"), 763ebf67bf7SAdriana Kobylak [pExtensionMap, pElementsJsonFilePath, maybeSetAttrWithArgsBound, 764ebf67bf7SAdriana Kobylak &loop](auto& message) { 765ebf67bf7SAdriana Kobylak std::string name; 766ebf67bf7SAdriana Kobylak std::string oldOwner; 767ebf67bf7SAdriana Kobylak std::string newOwner; 768ebf67bf7SAdriana Kobylak message.read(name, oldOwner, newOwner); 769ebf67bf7SAdriana Kobylak 770ebf67bf7SAdriana Kobylak if (newOwner.empty()) 771ebf67bf7SAdriana Kobylak { 772ebf67bf7SAdriana Kobylak return; 773ebf67bf7SAdriana Kobylak } 774ebf67bf7SAdriana Kobylak 775ebf67bf7SAdriana Kobylak auto bus = sdbusplus::bus::new_default(); 776ebf67bf7SAdriana Kobylak InterfacesPropertiesMap interfacesAndProperties; 777ebf67bf7SAdriana Kobylak auto objects = getManagedObjects(bus, entityManagerServiceName); 778ebf67bf7SAdriana Kobylak for (const auto& pair : objects) 779ebf67bf7SAdriana Kobylak { 780ebf67bf7SAdriana Kobylak std::tie(std::ignore, interfacesAndProperties) = pair; 781ebf67bf7SAdriana Kobylak if (maybeCall(interfacesAndProperties, 782ebf67bf7SAdriana Kobylak maybeSetAttrWithArgsBound)) 783ebf67bf7SAdriana Kobylak { 784ebf67bf7SAdriana Kobylak loop.exit(0); 785ebf67bf7SAdriana Kobylak } 786ebf67bf7SAdriana Kobylak } 787ebf67bf7SAdriana Kobylak })); 788d0379ea5SAdriana Kobylak 789d0379ea5SAdriana Kobylak // The BIOS attribute table can only be updated if PLDM is running because 790d0379ea5SAdriana Kobylak // PLDM is the one that exposes this property. Return if it's not running. 791d0379ea5SAdriana Kobylak auto pldmObject = getObject(bus, pldmPath); 792d0379ea5SAdriana Kobylak if (pldmObject.empty()) 793d0379ea5SAdriana Kobylak { 794ebf67bf7SAdriana Kobylak return matches; 795fd4a6088SAdriana Kobylak } 796fd4a6088SAdriana Kobylak 797ebf67bf7SAdriana Kobylak InterfacesPropertiesMap interfacesAndProperties; 798ebf67bf7SAdriana Kobylak auto objects = getManagedObjects(bus, entityManagerServiceName); 79953a27395SAdriana Kobylak for (const auto& pair : objects) 80053a27395SAdriana Kobylak { 80153a27395SAdriana Kobylak std::tie(std::ignore, interfacesAndProperties) = pair; 80253a27395SAdriana Kobylak if (maybeCall(interfacesAndProperties, maybeSetAttrWithArgsBound)) 80353a27395SAdriana Kobylak { 804d0379ea5SAdriana Kobylak loop.exit(0); 805ebf67bf7SAdriana Kobylak return {}; 80653a27395SAdriana Kobylak } 80753a27395SAdriana Kobylak } 80853a27395SAdriana Kobylak 809ebf67bf7SAdriana Kobylak return matches; 81053a27395SAdriana Kobylak } 81153a27395SAdriana Kobylak 812099543e4SBrad Bishop } // namespace process_hostfirmware 813099543e4SBrad Bishop } // namespace functions 814