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 constexpr const int limitEntryLen = 0xff; 63 64 // Avoid putting multiple interfaces with same name on same object 65 static std::string placeGetRecordType(const std::string& objectPath) 66 { 67 if (objectPath != defaultObjectPath) 68 { 69 // Place GetRecordType interface on object itself, not parent 70 return objectPath; 71 } 72 73 std::filesystem::path path(objectPath); 74 75 // As there is only one default, safe to place it on the common parent 76 return path.parent_path().string(); 77 } 78 79 class MDRV2 : 80 sdbusplus::server::object_t< 81 sdbusplus::server::xyz::openbmc_project::smbios::MDRV2> 82 { 83 public: 84 MDRV2() = delete; 85 MDRV2(const MDRV2&) = delete; 86 MDRV2& operator=(const MDRV2&) = delete; 87 MDRV2(MDRV2&&) = delete; 88 MDRV2& operator=(MDRV2&&) = delete; 89 90 virtual ~MDRV2() 91 { 92 if (smbiosInterface) 93 { 94 if (objServer) 95 { 96 // Must manually undo add_interface() 97 objServer->remove_interface(smbiosInterface); 98 } 99 } 100 } 101 102 MDRV2(std::shared_ptr<boost::asio::io_context> io, 103 std::shared_ptr<sdbusplus::asio::connection> conn, 104 std::shared_ptr<sdbusplus::asio::object_server> obj, 105 std::string filePath, std::string objectPath, 106 std::string inventoryPath) : 107 sdbusplus::server::object_t< 108 sdbusplus::server::xyz::openbmc_project::smbios::MDRV2>( 109 *conn, objectPath.c_str()), 110 timer(*io), bus(conn), objServer(std::move(obj)), 111 smbiosInterface(objServer->add_interface(placeGetRecordType(objectPath), 112 smbiosInterfaceName)), 113 smbiosFilePath(std::move(filePath)), 114 smbiosObjectPath(std::move(objectPath)), 115 smbiosInventoryPath(std::move(inventoryPath)) 116 { 117 lg2::info("SMBIOS data file path: {F}", "F", smbiosFilePath); 118 lg2::info("SMBIOS control object: {O}", "O", smbiosObjectPath); 119 lg2::info("SMBIOS inventory path: {I}", "I", smbiosInventoryPath); 120 121 smbiosDir.agentVersion = smbiosAgentVersion; 122 smbiosDir.dirVersion = smbiosDirVersion; 123 smbiosDir.dirEntries = 1; 124 directoryEntries(smbiosDir.dirEntries); 125 smbiosDir.status = 1; 126 smbiosDir.remoteDirVersion = 0; 127 128 std::copy(smbiosTableId.begin(), smbiosTableId.end(), 129 smbiosDir.dir[smbiosDirIndex].common.id.dataInfo); 130 131 smbiosDir.dir[smbiosDirIndex].dataStorage = smbiosTableStorage; 132 133 agentSynchronizeData(); 134 135 smbiosInterface->register_method("GetRecordType", [this](size_t type) { 136 return getRecordType(type); 137 }); 138 smbiosInterface->initialize(); 139 } 140 141 std::vector<uint8_t> getDirectoryInformation(uint8_t dirIndex) override; 142 143 std::vector<uint8_t> getDataInformation(uint8_t idIndex) override; 144 145 bool sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex, 146 uint8_t returnedEntries, 147 uint8_t remainingEntries, 148 std::vector<uint8_t> dirEntry) override; 149 150 std::vector<uint8_t> getDataOffer() override; 151 152 bool sendDataInformation(uint8_t idIndex, uint8_t flag, uint32_t dataLen, 153 uint32_t dataVer, uint32_t timeStamp) override; 154 155 int findIdIndex(std::vector<uint8_t> dataInfo) override; 156 157 bool agentSynchronizeData() override; 158 159 std::vector<uint32_t> 160 synchronizeDirectoryCommonData(uint8_t idIndex, uint32_t size) override; 161 162 uint8_t directoryEntries(uint8_t value) override; 163 164 std::vector<boost::container::flat_map<std::string, RecordVariant>> 165 getRecordType(size_t type); 166 167 private: 168 boost::asio::steady_timer timer; 169 170 std::shared_ptr<sdbusplus::asio::connection> bus; 171 std::shared_ptr<sdbusplus::asio::object_server> objServer; 172 173 Mdr2DirStruct smbiosDir; 174 175 bool readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data); 176 bool checkSMBIOSVersion(uint8_t* dataIn); 177 178 const std::array<uint8_t, 16> smbiosTableId{ 179 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0x42}; 180 uint8_t smbiosTableStorage[smbiosTableStorageSize]; 181 182 bool smbiosIsUpdating(uint8_t index); 183 bool smbiosIsAvailForUpdate(uint8_t index); 184 inline uint8_t smbiosValidFlag(uint8_t index); 185 void systemInfoUpdate(void); 186 187 std::optional<size_t> getTotalCpuSlot(void); 188 std::optional<size_t> getTotalDimmSlot(void); 189 std::optional<size_t> getTotalPcieSlot(void); 190 std::vector<std::unique_ptr<Cpu>> cpus; 191 std::vector<std::unique_ptr<Dimm>> dimms; 192 std::vector<std::unique_ptr<Pcie>> pcies; 193 std::unique_ptr<System> system; 194 std::shared_ptr<sdbusplus::asio::dbus_interface> smbiosInterface; 195 196 std::string smbiosFilePath; 197 std::string smbiosObjectPath; 198 std::string smbiosInventoryPath; 199 std::unique_ptr<sdbusplus::bus::match_t> motherboardConfigMatch; 200 }; 201 202 } // namespace smbios 203 } // namespace phosphor 204