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 "smbios_mdrv2.hpp" 21 #include "system.hpp" 22 23 #include <sys/stat.h> 24 #include <sys/types.h> 25 #include <unistd.h> 26 27 #include <boost/asio/io_context.hpp> 28 #include <boost/asio/steady_timer.hpp> 29 #include <boost/container/flat_map.hpp> 30 #include <phosphor-logging/elog-errors.hpp> 31 #include <phosphor-logging/log.hpp> 32 #include <sdbusplus/asio/object_server.hpp> 33 #include <sdbusplus/server.hpp> 34 #include <sdbusplus/timer.hpp> 35 #include <xyz/openbmc_project/Smbios/MDR_V2/server.hpp> 36 37 sdbusplus::asio::object_server& getObjectServer(void); 38 39 using RecordVariant = 40 std::variant<std::string, uint64_t, uint32_t, uint16_t, uint8_t>; 41 namespace phosphor 42 { 43 namespace smbios 44 { 45 46 static constexpr const char* mdrV2Path = "/xyz/openbmc_project/Smbios/MDR_V2"; 47 static constexpr const char* smbiosPath = "/xyz/openbmc_project/Smbios"; 48 static constexpr const char* smbiosInterfaceName = 49 "xyz.openbmc_project.Smbios.GetRecordType"; 50 constexpr const int limitEntryLen = 0xff; 51 52 class MDR_V2 : 53 sdbusplus::server::object::object< 54 sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2> 55 { 56 public: 57 MDR_V2() = delete; 58 MDR_V2(const MDR_V2&) = delete; 59 MDR_V2& operator=(const MDR_V2&) = delete; 60 MDR_V2(MDR_V2&&) = delete; 61 MDR_V2& operator=(MDR_V2&&) = delete; 62 ~MDR_V2() = default; 63 64 MDR_V2(sdbusplus::bus::bus& bus, const char* path, 65 boost::asio::io_context& io) : 66 sdbusplus::server::object::object< 67 sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2>(bus, path), 68 bus(bus), timer(io), smbiosInterface(getObjectServer().add_interface( 69 smbiosPath, smbiosInterfaceName)) 70 { 71 72 smbiosDir.agentVersion = smbiosAgentVersion; 73 smbiosDir.dirVersion = 1; 74 smbiosDir.dirEntries = 1; 75 directoryEntries(smbiosDir.dirEntries); 76 smbiosDir.status = 1; 77 smbiosDir.remoteDirVersion = 0; 78 79 std::copy(smbiosTableId.begin(), smbiosTableId.end(), 80 smbiosDir.dir[smbiosDirIndex].common.id.dataInfo); 81 82 smbiosDir.dir[smbiosDirIndex].dataStorage = smbiosTableStorage; 83 84 agentSynchronizeData(); 85 86 smbiosInterface->register_method("GetRecordType", [this](size_t type) { 87 return getRecordType(type); 88 }); 89 smbiosInterface->initialize(); 90 } 91 92 std::vector<uint8_t> getDirectoryInformation(uint8_t dirIndex) override; 93 94 std::vector<uint8_t> getDataInformation(uint8_t idIndex) override; 95 96 bool sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex, 97 uint8_t returnedEntries, 98 uint8_t remainingEntries, 99 std::vector<uint8_t> dirEntry) override; 100 101 std::vector<uint8_t> getDataOffer() override; 102 103 bool sendDataInformation(uint8_t idIndex, uint8_t flag, uint32_t dataLen, 104 uint32_t dataVer, uint32_t timeStamp) override; 105 106 int findIdIndex(std::vector<uint8_t> dataInfo) override; 107 108 bool agentSynchronizeData() override; 109 110 std::vector<uint32_t> 111 synchronizeDirectoryCommonData(uint8_t idIndex, uint32_t size) override; 112 113 uint8_t directoryEntries(uint8_t value) override; 114 115 std::vector<boost::container::flat_map<std::string, RecordVariant>> 116 getRecordType(size_t type); 117 118 private: 119 boost::asio::steady_timer timer; 120 121 sdbusplus::bus::bus& bus; 122 123 Mdr2DirStruct smbiosDir; 124 125 bool readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data); 126 127 const std::array<uint8_t, 16> smbiosTableId{ 128 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0x42}; 129 uint8_t smbiosTableStorage[smbiosTableStorageSize]; 130 131 bool smbiosIsUpdating(uint8_t index); 132 bool smbiosIsAvailForUpdate(uint8_t index); 133 inline uint8_t smbiosValidFlag(uint8_t index); 134 void systemInfoUpdate(void); 135 136 int getTotalCpuSlot(void); 137 int getTotalDimmSlot(void); 138 std::vector<std::unique_ptr<Cpu>> cpus; 139 std::vector<std::unique_ptr<Dimm>> dimms; 140 std::unique_ptr<System> system; 141 std::shared_ptr<sdbusplus::asio::dbus_interface> smbiosInterface; 142 }; 143 144 } // namespace smbios 145 } // namespace phosphor 146