1 #pragma once 2 3 #include "pdr.hpp" 4 #include "pdr_utils.hpp" 5 6 #include <libpldm/platform.h> 7 8 #include <phosphor-logging/lg2.hpp> 9 10 PHOSPHOR_LOG2_USING; 11 12 namespace pldm 13 { 14 namespace responder 15 { 16 namespace pdr_state_effecter 17 { 18 using Json = nlohmann::json; 19 20 static const Json empty{}; 21 22 /** @brief Parse PDR JSON file and generate state effecter PDR structure 23 * 24 * @param[in] json - the JSON Object with the state effecter PDR 25 * @param[out] handler - the Parser of PLDM command handler 26 * @param[out] repo - pdr::RepoInterface 27 * 28 */ 29 template <class DBusInterface, class Handler> 30 void generateStateEffecterPDR(const DBusInterface& dBusIntf, const Json& json, 31 Handler& handler, pdr_utils::RepoInterface& repo) 32 { 33 static const std::vector<Json> emptyList{}; 34 auto entries = json.value("entries", emptyList); 35 for (const auto& e : entries) 36 { 37 size_t pdrSize = 0; 38 auto effecters = e.value("effecters", emptyList); 39 for (const auto& effecter : effecters) 40 { 41 auto set = effecter.value("set", empty); 42 auto statesSize = set.value("size", 0); 43 if (!statesSize) 44 { 45 error( 46 "Malformed PDR JSON return pdrEntry;- no state set info, TYPE={STATE_EFFECTER_PDR}", 47 "STATE_EFFECTER_PDR", 48 static_cast<unsigned>(PLDM_STATE_EFFECTER_PDR)); 49 throw InternalFailure(); 50 } 51 pdrSize += sizeof(state_effecter_possible_states) - 52 sizeof(bitfield8_t) + (sizeof(bitfield8_t) * statesSize); 53 } 54 pdrSize += sizeof(pldm_state_effecter_pdr) - sizeof(uint8_t); 55 56 std::vector<uint8_t> entry{}; 57 entry.resize(pdrSize); 58 59 pldm_state_effecter_pdr* pdr = 60 reinterpret_cast<pldm_state_effecter_pdr*>(entry.data()); 61 if (!pdr) 62 { 63 error("Failed to get state effecter PDR."); 64 continue; 65 } 66 pdr->hdr.record_handle = 0; 67 pdr->hdr.version = 1; 68 pdr->hdr.type = PLDM_STATE_EFFECTER_PDR; 69 pdr->hdr.record_change_num = 0; 70 pdr->hdr.length = pdrSize - sizeof(pldm_pdr_hdr); 71 72 pdr->terminus_handle = TERMINUS_HANDLE; 73 pdr->effecter_id = handler.getNextEffecterId(); 74 75 try 76 { 77 std::string entity_path = e.value("entity_path", ""); 78 auto& associatedEntityMap = handler.getAssociateEntityMap(); 79 if (entity_path != "" && associatedEntityMap.find(entity_path) != 80 associatedEntityMap.end()) 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 error("The entity path for the FRU is not present."); 100 continue; 101 } 102 } 103 } 104 catch (const std::exception& ex) 105 { 106 pdr->entity_type = e.value("type", 0); 107 pdr->entity_instance = e.value("instance", 0); 108 pdr->container_id = e.value("container", 0); 109 } 110 111 pdr->effecter_semantic_id = 0; 112 pdr->effecter_init = PLDM_NO_INIT; 113 pdr->has_description_pdr = false; 114 pdr->composite_effecter_count = effecters.size(); 115 116 pldm::responder::pdr_utils::DbusMappings dbusMappings{}; 117 pldm::responder::pdr_utils::DbusValMaps dbusValMaps{}; 118 uint8_t* start = entry.data() + sizeof(pldm_state_effecter_pdr) - 119 sizeof(uint8_t); 120 for (const auto& effecter : effecters) 121 { 122 auto set = effecter.value("set", empty); 123 state_effecter_possible_states* possibleStates = 124 reinterpret_cast<state_effecter_possible_states*>(start); 125 possibleStates->state_set_id = set.value("id", 0); 126 possibleStates->possible_states_size = set.value("size", 0); 127 128 start += sizeof(possibleStates->state_set_id) + 129 sizeof(possibleStates->possible_states_size); 130 static const std::vector<uint8_t> emptyStates{}; 131 pldm::responder::pdr_utils::PossibleValues stateValues; 132 auto states = set.value("states", emptyStates); 133 for (const auto& state : states) 134 { 135 auto index = state / 8; 136 auto bit = state - (index * 8); 137 bitfield8_t* bf = reinterpret_cast<bitfield8_t*>(start + index); 138 bf->byte |= 1 << bit; 139 stateValues.emplace_back(state); 140 } 141 start += possibleStates->possible_states_size; 142 143 auto dbusEntry = effecter.value("dbus", empty); 144 auto objectPath = dbusEntry.value("path", ""); 145 auto interface = dbusEntry.value("interface", ""); 146 auto propertyName = dbusEntry.value("property_name", ""); 147 auto propertyType = dbusEntry.value("property_type", ""); 148 149 pldm::responder::pdr_utils::StatestoDbusVal dbusIdToValMap{}; 150 pldm::utils::DBusMapping dbusMapping{}; 151 try 152 { 153 auto service = dBusIntf.getService(objectPath.c_str(), 154 interface.c_str()); 155 156 dbusMapping = pldm::utils::DBusMapping{ 157 objectPath, interface, propertyName, propertyType}; 158 dbusIdToValMap = pldm::responder::pdr_utils::populateMapping( 159 propertyType, dbusEntry["property_values"], stateValues); 160 } 161 catch (const std::exception& e) 162 { 163 error( 164 "D-Bus object path does not exist, effecter ID: {EFFECTER_ID}", 165 "EFFECTER_ID", static_cast<uint16_t>(pdr->effecter_id)); 166 } 167 168 dbusMappings.emplace_back(std::move(dbusMapping)); 169 dbusValMaps.emplace_back(std::move(dbusIdToValMap)); 170 } 171 handler.addDbusObjMaps( 172 pdr->effecter_id, 173 std::make_tuple(std::move(dbusMappings), std::move(dbusValMaps))); 174 pldm::responder::pdr_utils::PdrEntry pdrEntry{}; 175 pdrEntry.data = entry.data(); 176 pdrEntry.size = pdrSize; 177 repo.addRecord(pdrEntry); 178 } 179 } 180 181 } // namespace pdr_state_effecter 182 } // namespace responder 183 } // namespace pldm 184