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 for state sensor pdr '{STATE_SENSOR_PDR}'", 46 "STATE_SENSOR_PDR", PLDM_STATE_SENSOR_PDR); 47 throw InternalFailure(); 48 } 49 pdrSize += sizeof(state_sensor_possible_states) - 50 sizeof(bitfield8_t) + (sizeof(bitfield8_t) * statesSize); 51 } 52 pdrSize += sizeof(pldm_state_sensor_pdr) - sizeof(uint8_t); 53 54 std::vector<uint8_t> entry{}; 55 entry.resize(pdrSize); 56 57 pldm_state_sensor_pdr* pdr = 58 reinterpret_cast<pldm_state_sensor_pdr*>(entry.data()); 59 if (!pdr) 60 { 61 error("Failed to get state sensor PDR."); 62 continue; 63 } 64 pdr->hdr.record_handle = 0; 65 pdr->hdr.version = 1; 66 pdr->hdr.type = PLDM_STATE_SENSOR_PDR; 67 pdr->hdr.record_change_num = 0; 68 pdr->hdr.length = pdrSize - sizeof(pldm_pdr_hdr); 69 70 HTOLE32(pdr->hdr.record_handle); 71 HTOLE16(pdr->hdr.record_change_num); 72 HTOLE16(pdr->hdr.length); 73 74 pdr->terminus_handle = TERMINUS_HANDLE; 75 76 try 77 { 78 std::string entity_path = e.value("entity_path", ""); 79 auto& associatedEntityMap = handler.getAssociateEntityMap(); 80 if (entity_path != "" && associatedEntityMap.contains(entity_path)) 81 { 82 pdr->entity_type = 83 associatedEntityMap.at(entity_path).entity_type; 84 pdr->entity_instance = 85 associatedEntityMap.at(entity_path).entity_instance_num; 86 pdr->container_id = 87 associatedEntityMap.at(entity_path).entity_container_id; 88 } 89 else 90 { 91 pdr->entity_type = e.value("type", 0); 92 pdr->entity_instance = e.value("instance", 0); 93 pdr->container_id = e.value("container", 0); 94 95 // do not create the PDR when the FRU or the entity path is not 96 // present 97 if (!pdr->entity_type) 98 { 99 continue; 100 } 101 } 102 } 103 catch (const std::exception&) 104 { 105 pdr->entity_type = e.value("type", 0); 106 pdr->entity_instance = e.value("instance", 0); 107 pdr->container_id = e.value("container", 0); 108 } 109 110 pdr->sensor_init = PLDM_NO_INIT; 111 pdr->sensor_auxiliary_names_pdr = false; 112 if (sensors.size() > 8) 113 { 114 throw std::runtime_error("sensor size must be less than 8"); 115 } 116 pdr->composite_sensor_count = sensors.size(); 117 118 HTOLE16(pdr->terminus_handle); 119 HTOLE16(pdr->entity_type); 120 HTOLE16(pdr->entity_instance); 121 HTOLE16(pdr->container_id); 122 123 pldm::responder::pdr_utils::DbusMappings dbusMappings{}; 124 pldm::responder::pdr_utils::DbusValMaps dbusValMaps{}; 125 uint8_t* start = entry.data() + sizeof(pldm_state_sensor_pdr) - 126 sizeof(uint8_t); 127 for (const auto& sensor : sensors) 128 { 129 auto set = sensor.value("set", empty); 130 state_sensor_possible_states* possibleStates = 131 reinterpret_cast<state_sensor_possible_states*>(start); 132 possibleStates->state_set_id = set.value("id", 0); 133 HTOLE16(possibleStates->state_set_id); 134 possibleStates->possible_states_size = set.value("size", 0); 135 136 start += sizeof(possibleStates->state_set_id) + 137 sizeof(possibleStates->possible_states_size); 138 static const std::vector<uint8_t> emptyStates{}; 139 pldm::responder::pdr_utils::PossibleValues stateValues; 140 auto states = set.value("states", emptyStates); 141 for (const auto& state : states) 142 { 143 auto index = state / 8; 144 auto bit = state - (index * 8); 145 bitfield8_t* bf = reinterpret_cast<bitfield8_t*>(start + index); 146 bf->byte |= 1 << bit; 147 stateValues.emplace_back(state); 148 } 149 start += possibleStates->possible_states_size; 150 auto dbusEntry = sensor.value("dbus", empty); 151 auto objectPath = dbusEntry.value("path", ""); 152 auto interface = dbusEntry.value("interface", ""); 153 auto propertyName = dbusEntry.value("property_name", ""); 154 auto propertyType = dbusEntry.value("property_type", ""); 155 156 pldm::responder::pdr_utils::StatestoDbusVal dbusIdToValMap{}; 157 pldm::utils::DBusMapping dbusMapping{}; 158 try 159 { 160 auto service = dBusIntf.getService(objectPath.c_str(), 161 interface.c_str()); 162 163 dbusMapping = pldm::utils::DBusMapping{ 164 objectPath, interface, propertyName, propertyType}; 165 dbusIdToValMap = pldm::responder::pdr_utils::populateMapping( 166 propertyType, dbusEntry["property_values"], stateValues); 167 } 168 catch (const std::exception& e) 169 { 170 error( 171 "Failed to create sensor PDR, D-Bus object '{PATH}' returned error - {ERROR}", 172 "PATH", objectPath, "ERROR", e); 173 break; 174 } 175 dbusMappings.emplace_back(std::move(dbusMapping)); 176 dbusValMaps.emplace_back(std::move(dbusIdToValMap)); 177 } 178 179 if (!(dbusMappings.empty() && dbusValMaps.empty())) 180 { 181 pdr->sensor_id = handler.getNextSensorId(); 182 HTOLE16(pdr->sensor_id); 183 handler.addDbusObjMaps( 184 pdr->sensor_id, 185 std::make_tuple(std::move(dbusMappings), 186 std::move(dbusValMaps)), 187 pldm::responder::pdr_utils::TypeId::PLDM_SENSOR_ID); 188 pldm::responder::pdr_utils::PdrEntry pdrEntry{}; 189 pdrEntry.data = entry.data(); 190 pdrEntry.size = pdrSize; 191 repo.addRecord(pdrEntry); 192 } 193 } 194 } 195 196 } // namespace pdr_state_sensor 197 } // namespace responder 198 } // namespace pldm 199