1 /* 2 // Copyright (c) 2018 Intel Corporation 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 */ 16 17 #pragma once 18 #include "cpu.hpp" 19 #include "dimm.hpp" 20 #include "pcieslot.hpp" 21 #include "smbios_mdrv2.hpp" 22 #include "system.hpp" 23 24 #include <sys/stat.h> 25 #include <sys/types.h> 26 #include <unistd.h> 27 28 #include <boost/asio/io_context.hpp> 29 #include <boost/asio/steady_timer.hpp> 30 #include <boost/container/flat_map.hpp> 31 #include <phosphor-logging/elog-errors.hpp> 32 #include <phosphor-logging/lg2.hpp> 33 #include <phosphor-logging/log.hpp> 34 #include <sdbusplus/asio/object_server.hpp> 35 #include <sdbusplus/server.hpp> 36 #include <sdbusplus/timer.hpp> 37 #include <xyz/openbmc_project/Smbios/MDR_V2/server.hpp> 38 39 #include <filesystem> 40 #include <memory> 41 42 namespace phosphor 43 { 44 namespace smbios 45 { 46 47 using RecordVariant = 48 std::variant<std::string, uint64_t, uint32_t, uint16_t, uint8_t>; 49 50 static constexpr const char* defaultObjectPath = 51 "/xyz/openbmc_project/Smbios/MDR_V2"; 52 static constexpr const char* smbiosInterfaceName = 53 "xyz.openbmc_project.Smbios.GetRecordType"; 54 static constexpr const char* mapperBusName = "xyz.openbmc_project.ObjectMapper"; 55 static constexpr const char* mapperPath = "/xyz/openbmc_project/object_mapper"; 56 static constexpr const char* mapperInterface = 57 "xyz.openbmc_project.ObjectMapper"; 58 static constexpr const char* defaultInventoryPath = 59 "/xyz/openbmc_project/inventory/system"; 60 static constexpr const char* systemInterface = 61 "xyz.openbmc_project.Inventory.Item.System"; 62 static constexpr const char* boardInterface = 63 "xyz.openbmc_project.Inventory.Item.Board"; 64 constexpr const int limitEntryLen = 0xff; 65 66 // Avoid putting multiple interfaces with same name on same object 67 static std::string placeGetRecordType(const std::string& objectPath) 68 { 69 if (objectPath != defaultObjectPath) 70 { 71 // Place GetRecordType interface on object itself, not parent 72 return objectPath; 73 } 74 75 std::filesystem::path path(objectPath); 76 77 // As there is only one default, safe to place it on the common parent 78 return path.parent_path().string(); 79 } 80 81 class MDRV2 : 82 sdbusplus::server::object_t< 83 sdbusplus::server::xyz::openbmc_project::smbios::MDRV2> 84 { 85 public: 86 MDRV2() = delete; 87 MDRV2(const MDRV2&) = delete; 88 MDRV2& operator=(const MDRV2&) = delete; 89 MDRV2(MDRV2&&) = delete; 90 MDRV2& operator=(MDRV2&&) = delete; 91 92 virtual ~MDRV2() 93 { 94 if (smbiosInterface) 95 { 96 if (objServer) 97 { 98 // Must manually undo add_interface() 99 objServer->remove_interface(smbiosInterface); 100 } 101 } 102 } 103 104 MDRV2(std::shared_ptr<boost::asio::io_context> io, 105 std::shared_ptr<sdbusplus::asio::connection> conn, 106 std::shared_ptr<sdbusplus::asio::object_server> obj, 107 std::string filePath, std::string objectPath, 108 std::string inventoryPath) : 109 sdbusplus::server::object_t< 110 sdbusplus::server::xyz::openbmc_project::smbios::MDRV2>( 111 *conn, objectPath.c_str()), 112 timer(*io), bus(conn), objServer(std::move(obj)), 113 smbiosInterface(objServer->add_interface(placeGetRecordType(objectPath), 114 smbiosInterfaceName)), 115 smbiosFilePath(std::move(filePath)), 116 smbiosObjectPath(std::move(objectPath)), 117 smbiosInventoryPath(std::move(inventoryPath)) 118 { 119 lg2::info("SMBIOS data file path: {F}", "F", smbiosFilePath); 120 lg2::info("SMBIOS control object: {O}", "O", smbiosObjectPath); 121 lg2::info("SMBIOS inventory path: {I}", "I", smbiosInventoryPath); 122 123 smbiosDir.agentVersion = smbiosAgentVersion; 124 smbiosDir.dirVersion = smbiosDirVersion; 125 smbiosDir.dirEntries = 1; 126 directoryEntries(smbiosDir.dirEntries); 127 smbiosDir.status = 1; 128 smbiosDir.remoteDirVersion = 0; 129 130 std::copy(smbiosTableId.begin(), smbiosTableId.end(), 131 smbiosDir.dir[smbiosDirIndex].common.id.dataInfo); 132 133 smbiosDir.dir[smbiosDirIndex].dataStorage = smbiosTableStorage; 134 135 agentSynchronizeData(); 136 137 smbiosInterface->register_method("GetRecordType", [this](size_t type) { 138 return getRecordType(type); 139 }); 140 smbiosInterface->initialize(); 141 } 142 143 std::vector<uint8_t> getDirectoryInformation(uint8_t dirIndex) override; 144 145 std::vector<uint8_t> getDataInformation(uint8_t idIndex) override; 146 147 bool sendDirectoryInformation( 148 uint8_t dirVersion, uint8_t dirIndex, uint8_t returnedEntries, 149 uint8_t remainingEntries, std::vector<uint8_t> dirEntry) override; 150 151 std::vector<uint8_t> getDataOffer() override; 152 153 bool sendDataInformation(uint8_t idIndex, uint8_t flag, uint32_t dataLen, 154 uint32_t dataVer, uint32_t timeStamp) override; 155 156 int findIdIndex(std::vector<uint8_t> dataInfo) override; 157 158 bool agentSynchronizeData() override; 159 160 std::vector<uint32_t> 161 synchronizeDirectoryCommonData(uint8_t idIndex, uint32_t size) override; 162 163 uint8_t directoryEntries(uint8_t value) override; 164 165 std::vector<boost::container::flat_map<std::string, RecordVariant>> 166 getRecordType(size_t type); 167 168 private: 169 boost::asio::steady_timer timer; 170 171 std::shared_ptr<sdbusplus::asio::connection> bus; 172 std::shared_ptr<sdbusplus::asio::object_server> objServer; 173 174 Mdr2DirStruct smbiosDir; 175 176 bool readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data); 177 bool checkSMBIOSVersion(uint8_t* dataIn); 178 179 const std::array<uint8_t, 16> smbiosTableId{ 180 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0x42}; 181 uint8_t smbiosTableStorage[smbiosTableStorageSize] = {}; 182 183 bool smbiosIsUpdating(uint8_t index); 184 bool smbiosIsAvailForUpdate(uint8_t index); 185 inline uint8_t smbiosValidFlag(uint8_t index); 186 void systemInfoUpdate(void); 187 188 std::optional<size_t> getTotalCpuSlot(void); 189 std::optional<size_t> getTotalDimmSlot(void); 190 std::optional<size_t> getTotalPcieSlot(void); 191 std::vector<std::unique_ptr<Cpu>> cpus; 192 std::vector<std::unique_ptr<Dimm>> dimms; 193 std::vector<std::unique_ptr<Pcie>> pcies; 194 std::unique_ptr<System> system; 195 std::shared_ptr<sdbusplus::asio::dbus_interface> smbiosInterface; 196 197 std::string smbiosFilePath; 198 std::string smbiosObjectPath; 199 std::string smbiosInventoryPath; 200 std::unique_ptr<sdbusplus::bus::match_t> motherboardConfigMatch; 201 }; 202 203 } // namespace smbios 204 } // namespace phosphor 205