1 // Copyright 2023 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include "bifurcation.hpp" 18 #include "file_system_wrapper_impl.hpp" 19 #include "handler.hpp" 20 21 #include <nlohmann/json.hpp> 22 #include <sdbusplus/bus.hpp> 23 24 #include <cstdint> 25 #include <map> 26 #include <memory> 27 #include <string> 28 #include <string_view> 29 #include <tuple> 30 #include <vector> 31 32 namespace google 33 { 34 namespace ipmi 35 { 36 37 constexpr char defaultConfigFile[] = 38 "/usr/share/ipmi-entity-association/entity_association_map.json"; 39 40 class Handler : public HandlerInterface 41 { 42 public: 43 explicit Handler(const std::string& entityConfigPath = defaultConfigFile) : 44 fsPtr(std::make_unique<FileSystemWrapper>()), 45 _configFile(entityConfigPath), 46 bifurcationHelper(BifurcationStatic::createBifurcation()){}; 47 Handler(std::reference_wrapper<BifurcationInterface> bifurcationHelper, 48 const std::string& entityConfigPath = defaultConfigFile) : 49 fsPtr(std::make_unique<FileSystemWrapper>()), 50 _configFile(entityConfigPath), bifurcationHelper(bifurcationHelper){}; 51 ~Handler() = default; 52 53 uint8_t getBmcMode() override; 54 std::tuple<std::uint8_t, std::string> 55 getEthDetails(std::string intf) const override; 56 std::int64_t getRxPackets(const std::string& name) const override; 57 VersionTuple getCpldVersion(unsigned int id) const override; 58 void psuResetDelay(std::uint32_t delay) const override; 59 void psuResetOnShutdown() const override; 60 std::string getEntityName(std::uint8_t id, std::uint8_t instance) override; 61 uint32_t getFlashSize() override; 62 std::string getMachineName() override; 63 void buildI2cPcieMapping() override; 64 size_t getI2cPcieMappingSize() const override; 65 void hostPowerOffDelay(std::uint32_t delay) const override; 66 std::tuple<std::uint32_t, std::string> 67 getI2cEntry(unsigned int entry) const override; 68 std::vector<uint8_t> pcieBifurcation(uint8_t) override; 69 70 uint32_t accelOobDeviceCount() const override; 71 std::string accelOobDeviceName(size_t index) const override; 72 uint64_t accelOobRead(std::string_view name, uint64_t address, 73 uint8_t num_bytes) const override; 74 void accelOobWrite(std::string_view name, uint64_t address, 75 uint8_t num_bytes, uint64_t data) const override; 76 void linuxBootDone() const override; 77 void accelSetVrSettings(::ipmi::Context::ptr ctx, uint8_t chip_id, 78 uint8_t settings_id, uint16_t value) const override; 79 uint16_t accelGetVrSettings(::ipmi::Context::ptr ctx, uint8_t chip_id, 80 uint8_t settings_id) const override; 81 82 protected: 83 // Exposed for dependency injection 84 virtual sdbusplus::bus_t getDbus() const; 85 virtual const std::unique_ptr<FileSystemInterface>& getFs() const; 86 87 private: 88 std::unique_ptr<FileSystemInterface> fsPtr; 89 90 std::string _configFile; 91 92 bool _entityConfigParsed = false; 93 94 const std::map<uint8_t, std::string> _entityIdToName{ 95 {0x03, "cpu"}, 96 {0x04, "storage_device"}, 97 {0x06, "system_management_module"}, 98 {0x07, "system_board"}, 99 {0x08, "memory_module"}, 100 {0x0B, "add_in_card"}, 101 {0x0E, "power_system_board"}, 102 {0x10, "system_internal_expansion_board"}, 103 {0x11, "other_system_board"}, 104 {0x17, "system_chassis"}, 105 {0x1D, "fan"}, 106 {0x1E, "cooling_unit"}, 107 {0x20, "memory_device"}}; 108 109 const std::unordered_map<uint8_t, std::string> _vrSettingsMap{ 110 {0, "idle_mode_"}, {1, "power_break_"}, {2, "loadline_"}}; 111 112 nlohmann::json _entityConfig{}; 113 114 std::vector<std::tuple<uint32_t, std::string>> _pcie_i2c_map; 115 116 std::reference_wrapper<BifurcationInterface> bifurcationHelper; 117 }; 118 119 /** 120 * Given a type, entity instance, and a configuration, return the name. 121 * 122 * @param[in] type - the entity type 123 * @param[in] instance - the entity instance 124 * @param[in] config - the json object holding the entity mapping 125 * @return the name of the entity from the map 126 */ 127 std::string readNameFromConfig(const std::string& type, uint8_t instance, 128 const nlohmann::json& config); 129 130 } // namespace ipmi 131 } // namespace google 132