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 "smbios_mdrv2.hpp" 19 20 #include <xyz/openbmc_project/Association/Definitions/server.hpp> 21 #include <xyz/openbmc_project/Inventory/Connector/Slot/server.hpp> 22 #include <xyz/openbmc_project/Inventory/Decorator/Asset/server.hpp> 23 #include <xyz/openbmc_project/Inventory/Decorator/LocationCode/server.hpp> 24 #include <xyz/openbmc_project/Inventory/Item/Dimm/server.hpp> 25 #include <xyz/openbmc_project/Inventory/Item/server.hpp> 26 #include <xyz/openbmc_project/State/Decorator/OperationalStatus/server.hpp> 27 28 namespace phosphor 29 { 30 31 namespace smbios 32 { 33 34 using DeviceType = 35 sdbusplus::server::xyz::openbmc_project::inventory::item::Dimm::DeviceType; 36 37 using EccType = 38 sdbusplus::server::xyz::openbmc_project::inventory::item::Dimm::Ecc; 39 40 class Dimm : 41 sdbusplus::server::object_t< 42 sdbusplus::server::xyz::openbmc_project::inventory::item::Dimm>, 43 sdbusplus::server::object_t< 44 sdbusplus::server::xyz::openbmc_project::inventory::decorator::Asset>, 45 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project:: 46 inventory::decorator::LocationCode>, 47 sdbusplus::server::object_t< 48 sdbusplus::server::xyz::openbmc_project::inventory::connector::Slot>, 49 sdbusplus::server::object_t< 50 sdbusplus::server::xyz::openbmc_project::inventory::Item>, 51 sdbusplus::server::object_t< 52 sdbusplus::server::xyz::openbmc_project::association::Definitions>, 53 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project::state:: 54 decorator::OperationalStatus> 55 { 56 public: 57 Dimm() = delete; 58 ~Dimm() = default; 59 Dimm(const Dimm&) = delete; 60 Dimm& operator=(const Dimm&) = delete; 61 Dimm(Dimm&&) = default; 62 Dimm& operator=(Dimm&&) = default; 63 64 Dimm(sdbusplus::bus_t& bus, const std::string& objPath, 65 const uint8_t& dimmId, uint8_t* smbiosTableStorage, 66 const std::string& motherboard) : 67 68 sdbusplus::server::object_t< 69 sdbusplus::server::xyz::openbmc_project::inventory::item::Dimm>( 70 bus, objPath.c_str()), 71 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project:: 72 inventory::decorator::Asset>( 73 bus, objPath.c_str()), 74 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project:: 75 inventory::decorator::LocationCode>( 76 bus, objPath.c_str()), 77 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project:: 78 inventory::connector::Slot>( 79 bus, objPath.c_str()), 80 sdbusplus::server::object_t< 81 sdbusplus::server::xyz::openbmc_project::inventory::Item>( 82 bus, objPath.c_str()), 83 sdbusplus::server::object_t< 84 sdbusplus::server::xyz::openbmc_project::association::Definitions>( 85 bus, objPath.c_str()), 86 sdbusplus::server::object_t<sdbusplus::server::xyz::openbmc_project:: 87 state::decorator::OperationalStatus>( 88 bus, objPath.c_str()), 89 dimmNum(dimmId), storage(smbiosTableStorage), 90 motherboardPath(motherboard) 91 { 92 memoryInfoUpdate(); 93 } 94 95 void memoryInfoUpdate(void); 96 97 uint16_t memoryDataWidth(uint16_t value) override; 98 size_t memorySizeInKB(size_t value) override; 99 std::string memoryDeviceLocator(std::string value) override; 100 DeviceType memoryType(DeviceType value) override; 101 std::string memoryTypeDetail(std::string value) override; 102 uint16_t maxMemorySpeedInMhz(uint16_t value) override; 103 std::string manufacturer(std::string value) override; 104 bool present(bool value) override; 105 std::string serialNumber(std::string value) override; 106 std::string partNumber(std::string value) override; 107 std::string locationCode(std::string value) override; 108 uint8_t memoryAttributes(uint8_t value) override; 109 uint16_t memoryConfiguredSpeedInMhz(uint16_t value) override; 110 bool functional(bool value) override; 111 EccType ecc(EccType value) override; 112 113 private: 114 uint8_t dimmNum; 115 116 uint8_t* storage; 117 118 std::string motherboardPath; 119 120 void dimmSize(const uint16_t size); 121 void dimmSizeExt(const uint32_t size); 122 void dimmDeviceLocator(const uint8_t bankLocatorPositionNum, 123 const uint8_t deviceLocatorPositionNum, 124 const uint8_t structLen, uint8_t* dataIn); 125 void dimmType(const uint8_t type); 126 void dimmTypeDetail(const uint16_t detail); 127 void dimmManufacturer(const uint8_t positionNum, const uint8_t structLen, 128 uint8_t* dataIn); 129 void dimmSerialNum(const uint8_t positionNum, const uint8_t structLen, 130 uint8_t* dataIn); 131 void dimmPartNum(const uint8_t positionNum, const uint8_t structLen, 132 uint8_t* dataIn); 133 void updateEccType(uint16_t exPhyArrayHandle); 134 }; 135 136 struct MemoryInfo 137 { 138 uint8_t type; 139 uint8_t length; 140 uint16_t handle; 141 uint16_t phyArrayHandle; 142 uint16_t errInfoHandle; 143 uint16_t totalWidth; 144 uint16_t dataWidth; 145 uint16_t size; 146 uint8_t formFactor; 147 uint8_t deviceSet; 148 uint8_t deviceLocator; 149 uint8_t bankLocator; 150 uint8_t memoryType; 151 uint16_t typeDetail; 152 uint16_t speed; 153 uint8_t manufacturer; 154 uint8_t serialNum; 155 uint8_t assetTag; 156 uint8_t partNum; 157 uint8_t attributes; 158 uint32_t extendedSize; 159 uint16_t confClockSpeed; 160 uint16_t minimumVoltage; 161 uint16_t maximumVoltage; 162 uint16_t configuredVoltage; 163 uint8_t memoryTechnology; 164 uint16_t memoryOperatingModeCap; 165 uint8_t firwareVersion; 166 uint16_t modelManufId; 167 uint16_t modelProdId; 168 uint16_t memSubConManufId; 169 uint16_t memSubConProdId; 170 uint64_t nvSize; 171 uint64_t volatileSize; 172 uint64_t cacheSize; 173 uint64_t logicalSize; 174 } __attribute__((packed)); 175 176 /** 177 * @brief Struct to represent SMBIOS 3.2 type-16 (Physical Memory Array) data. 178 */ 179 struct PhysicalMemoryArrayInfo 180 { 181 uint8_t type; 182 uint8_t length; 183 uint16_t handle; 184 uint8_t location; 185 uint8_t use; 186 uint8_t memoryErrorCorrection; 187 uint32_t maximumCapacity; 188 uint16_t memoryErrorInformationHandle; 189 uint16_t numberOfMemoryDevices; 190 uint64_t extendedMaximumCapacity; 191 } __attribute__((packed)); 192 static_assert(sizeof(PhysicalMemoryArrayInfo) == 23, 193 "Size of PhysicalMemoryArrayInfo struct is incorrect."); 194 195 const std::map<uint8_t, DeviceType> dimmTypeTable = { 196 {0x1, DeviceType::Other}, {0x2, DeviceType::Unknown}, 197 {0x3, DeviceType::DRAM}, {0x4, DeviceType::EDRAM}, 198 {0x5, DeviceType::VRAM}, {0x6, DeviceType::SRAM}, 199 {0x7, DeviceType::RAM}, {0x8, DeviceType::ROM}, 200 {0x9, DeviceType::FLASH}, {0xa, DeviceType::EEPROM}, 201 {0xb, DeviceType::FEPROM}, {0xc, DeviceType::EPROM}, 202 {0xd, DeviceType::CDRAM}, {0xe, DeviceType::ThreeDRAM}, 203 {0xf, DeviceType::SDRAM}, {0x10, DeviceType::DDR_SGRAM}, 204 {0x11, DeviceType::RDRAM}, {0x12, DeviceType::DDR}, 205 {0x13, DeviceType::DDR2}, {0x14, DeviceType::DDR2_SDRAM_FB_DIMM}, 206 {0x18, DeviceType::DDR3}, {0x19, DeviceType::FBD2}, 207 {0x1a, DeviceType::DDR4}, {0x1b, DeviceType::LPDDR_SDRAM}, 208 {0x1c, DeviceType::LPDDR2_SDRAM}, {0x1d, DeviceType::LPDDR3_SDRAM}, 209 {0x1e, DeviceType::LPDDR4_SDRAM}, {0x1f, DeviceType::Logical}, 210 {0x20, DeviceType::HBM}, {0x21, DeviceType::HBM2}, 211 {0x22, DeviceType::DDR5}, {0x23, DeviceType::LPDDR5_SDRAM}}; 212 213 const std::array<std::string, 16> detailTable{ 214 "Reserved", "Other", "Unknown", "Fast-paged", 215 "Static column", "Pseudo-static", "RAMBUS", "Synchronous", 216 "CMOS", "EDO", "Window DRAM", "Cache DRAM", 217 "Non-volatile", "Registered", "Unbuffered", "LRDIMM"}; 218 219 /** 220 * @brief Map SMBIOS 3.2 Memory Array Error Correction Types to 221 * xyz.openbmc_project.Inventory.Item.Dimm.Ecc types. 222 * 223 * SMBIOS 3.2 Memory Array Error Correction Types 'Unknown', 'None', 'CRC' are 224 * mapped to EccType::NoECC since the DBUs interface does not support those 225 * representations. 226 */ 227 const std::map<uint8_t, EccType> dimmEccTypeMap = { 228 {0x1, EccType::NoECC}, {0x2, EccType::NoECC}, 229 {0x3, EccType::NoECC}, {0x4, EccType::AddressParity}, 230 {0x5, EccType::SingleBitECC}, {0x6, EccType::MultiBitECC}, 231 {0x7, EccType::NoECC}}; 232 233 } // namespace smbios 234 235 } // namespace phosphor 236