1 #pragma once 2 3 #include "libpldmresponder/pdr_utils.hpp" 4 5 #include <libpldm/platform.h> 6 7 #include <phosphor-logging/lg2.hpp> 8 9 PHOSPHOR_LOG2_USING; 10 11 namespace pldm 12 { 13 namespace responder 14 { 15 namespace pdr_state_sensor 16 { 17 using Json = nlohmann::json; 18 19 static const Json empty{}; 20 21 /** @brief Parse PDR JSON file and generate state sensor PDR structure 22 * 23 * @param[in] json - the JSON Object with the state sensor PDR 24 * @param[out] handler - the Parser of PLDM command handler 25 * @param[out] repo - pdr::RepoInterface 26 * 27 */ 28 template <class DBusInterface, class Handler> 29 void generateStateSensorPDR(const DBusInterface& dBusIntf, const Json& json, 30 Handler& handler, pdr_utils::RepoInterface& repo) 31 { 32 static const std::vector<Json> emptyList{}; 33 auto entries = json.value("entries", emptyList); 34 for (const auto& e : entries) 35 { 36 size_t pdrSize = 0; 37 auto sensors = e.value("sensors", emptyList); 38 for (const auto& sensor : sensors) 39 { 40 auto set = sensor.value("set", empty); 41 auto statesSize = set.value("size", 0); 42 if (!statesSize) 43 { 44 error( 45 "Malformed PDR JSON return pdrEntry;- no state set info, TYPE={STATE_SENSOR_PDR}", 46 "STATE_SENSOR_PDR", 47 static_cast<int>(PLDM_STATE_SENSOR_PDR)); 48 throw InternalFailure(); 49 } 50 pdrSize += sizeof(state_sensor_possible_states) - 51 sizeof(bitfield8_t) + (sizeof(bitfield8_t) * statesSize); 52 } 53 pdrSize += sizeof(pldm_state_sensor_pdr) - sizeof(uint8_t); 54 55 std::vector<uint8_t> entry{}; 56 entry.resize(pdrSize); 57 58 pldm_state_sensor_pdr* pdr = 59 reinterpret_cast<pldm_state_sensor_pdr*>(entry.data()); 60 if (!pdr) 61 { 62 error("Failed to get state sensor PDR."); 63 continue; 64 } 65 pdr->hdr.record_handle = 0; 66 pdr->hdr.version = 1; 67 pdr->hdr.type = PLDM_STATE_SENSOR_PDR; 68 pdr->hdr.record_change_num = 0; 69 pdr->hdr.length = pdrSize - sizeof(pldm_pdr_hdr); 70 71 HTOLE32(pdr->hdr.record_handle); 72 HTOLE16(pdr->hdr.record_change_num); 73 HTOLE16(pdr->hdr.length); 74 75 pdr->terminus_handle = TERMINUS_HANDLE; 76 pdr->sensor_id = handler.getNextSensorId(); 77 78 try 79 { 80 std::string entity_path = e.value("entity_path", ""); 81 auto& associatedEntityMap = handler.getAssociateEntityMap(); 82 if (entity_path != "" && associatedEntityMap.contains(entity_path)) 83 { 84 pdr->entity_type = 85 associatedEntityMap.at(entity_path).entity_type; 86 pdr->entity_instance = 87 associatedEntityMap.at(entity_path).entity_instance_num; 88 pdr->container_id = 89 associatedEntityMap.at(entity_path).entity_container_id; 90 } 91 else 92 { 93 pdr->entity_type = e.value("type", 0); 94 pdr->entity_instance = e.value("instance", 0); 95 pdr->container_id = e.value("container", 0); 96 97 // do not create the PDR when the FRU or the entity path is not 98 // present 99 if (!pdr->entity_type) 100 { 101 continue; 102 } 103 } 104 } 105 catch (const std::exception&) 106 { 107 pdr->entity_type = e.value("type", 0); 108 pdr->entity_instance = e.value("instance", 0); 109 pdr->container_id = e.value("container", 0); 110 } 111 112 pdr->sensor_init = PLDM_NO_INIT; 113 pdr->sensor_auxiliary_names_pdr = false; 114 if (sensors.size() > 8) 115 { 116 throw std::runtime_error("sensor size must be less than 8"); 117 } 118 pdr->composite_sensor_count = sensors.size(); 119 120 HTOLE16(pdr->terminus_handle); 121 HTOLE16(pdr->sensor_id); 122 HTOLE16(pdr->entity_type); 123 HTOLE16(pdr->entity_instance); 124 HTOLE16(pdr->container_id); 125 126 pldm::responder::pdr_utils::DbusMappings dbusMappings{}; 127 pldm::responder::pdr_utils::DbusValMaps dbusValMaps{}; 128 uint8_t* start = entry.data() + sizeof(pldm_state_sensor_pdr) - 129 sizeof(uint8_t); 130 for (const auto& sensor : sensors) 131 { 132 auto set = sensor.value("set", empty); 133 state_sensor_possible_states* possibleStates = 134 reinterpret_cast<state_sensor_possible_states*>(start); 135 possibleStates->state_set_id = set.value("id", 0); 136 HTOLE16(possibleStates->state_set_id); 137 possibleStates->possible_states_size = set.value("size", 0); 138 139 start += sizeof(possibleStates->state_set_id) + 140 sizeof(possibleStates->possible_states_size); 141 static const std::vector<uint8_t> emptyStates{}; 142 pldm::responder::pdr_utils::PossibleValues stateValues; 143 auto states = set.value("states", emptyStates); 144 for (const auto& state : states) 145 { 146 auto index = state / 8; 147 auto bit = state - (index * 8); 148 bitfield8_t* bf = reinterpret_cast<bitfield8_t*>(start + index); 149 bf->byte |= 1 << bit; 150 stateValues.emplace_back(state); 151 } 152 start += possibleStates->possible_states_size; 153 auto dbusEntry = sensor.value("dbus", empty); 154 auto objectPath = dbusEntry.value("path", ""); 155 auto interface = dbusEntry.value("interface", ""); 156 auto propertyName = dbusEntry.value("property_name", ""); 157 auto propertyType = dbusEntry.value("property_type", ""); 158 159 pldm::responder::pdr_utils::StatestoDbusVal dbusIdToValMap{}; 160 pldm::utils::DBusMapping dbusMapping{}; 161 try 162 { 163 auto service = dBusIntf.getService(objectPath.c_str(), 164 interface.c_str()); 165 166 dbusMapping = pldm::utils::DBusMapping{ 167 objectPath, interface, propertyName, propertyType}; 168 dbusIdToValMap = pldm::responder::pdr_utils::populateMapping( 169 propertyType, dbusEntry["property_values"], stateValues); 170 } 171 catch (const std::exception& e) 172 { 173 error( 174 "Failed to create sensor PDR, D-Bus object '{PATH}' returned {ERROR}", 175 "PATH", objectPath, "ERROR", e); 176 continue; 177 } 178 179 dbusMappings.emplace_back(std::move(dbusMapping)); 180 dbusValMaps.emplace_back(std::move(dbusIdToValMap)); 181 } 182 183 handler.addDbusObjMaps( 184 pdr->sensor_id, 185 std::make_tuple(std::move(dbusMappings), std::move(dbusValMaps)), 186 pldm::responder::pdr_utils::TypeId::PLDM_SENSOR_ID); 187 pldm::responder::pdr_utils::PdrEntry pdrEntry{}; 188 pdrEntry.data = entry.data(); 189 pdrEntry.size = pdrSize; 190 repo.addRecord(pdrEntry); 191 } 192 } 193 194 } // namespace pdr_state_sensor 195 } // namespace responder 196 } // namespace pldm 197