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 for state effecter pdr '{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 74 try 75 { 76 std::string entity_path = e.value("entity_path", ""); 77 auto& associatedEntityMap = handler.getAssociateEntityMap(); 78 if (entity_path != "" && associatedEntityMap.contains(entity_path)) 79 { 80 pdr->entity_type = 81 associatedEntityMap.at(entity_path).entity_type; 82 pdr->entity_instance = 83 associatedEntityMap.at(entity_path).entity_instance_num; 84 pdr->container_id = 85 associatedEntityMap.at(entity_path).entity_container_id; 86 } 87 else 88 { 89 pdr->entity_type = e.value("type", 0); 90 pdr->entity_instance = e.value("instance", 0); 91 pdr->container_id = e.value("container", 0); 92 93 // do not create the PDR when the FRU or the entity path is not 94 // present 95 if (!pdr->entity_type) 96 { 97 continue; 98 } 99 } 100 } 101 catch (const std::exception&) 102 { 103 pdr->entity_type = e.value("type", 0); 104 pdr->entity_instance = e.value("instance", 0); 105 pdr->container_id = e.value("container", 0); 106 } 107 108 pdr->effecter_semantic_id = 0; 109 pdr->effecter_init = PLDM_NO_INIT; 110 pdr->has_description_pdr = false; 111 pdr->composite_effecter_count = effecters.size(); 112 113 pldm::responder::pdr_utils::DbusMappings dbusMappings{}; 114 pldm::responder::pdr_utils::DbusValMaps dbusValMaps{}; 115 uint8_t* start = entry.data() + sizeof(pldm_state_effecter_pdr) - 116 sizeof(uint8_t); 117 for (const auto& effecter : effecters) 118 { 119 auto set = effecter.value("set", empty); 120 state_effecter_possible_states* possibleStates = 121 reinterpret_cast<state_effecter_possible_states*>(start); 122 possibleStates->state_set_id = set.value("id", 0); 123 possibleStates->possible_states_size = set.value("size", 0); 124 125 start += sizeof(possibleStates->state_set_id) + 126 sizeof(possibleStates->possible_states_size); 127 static const std::vector<uint8_t> emptyStates{}; 128 pldm::responder::pdr_utils::PossibleValues stateValues; 129 auto states = set.value("states", emptyStates); 130 for (const auto& state : states) 131 { 132 auto index = state / 8; 133 auto bit = state - (index * 8); 134 bitfield8_t* bf = reinterpret_cast<bitfield8_t*>(start + index); 135 bf->byte |= 1 << bit; 136 stateValues.emplace_back(state); 137 } 138 start += possibleStates->possible_states_size; 139 140 auto dbusEntry = effecter.value("dbus", empty); 141 auto objectPath = dbusEntry.value("path", ""); 142 auto interface = dbusEntry.value("interface", ""); 143 auto propertyName = dbusEntry.value("property_name", ""); 144 auto propertyType = dbusEntry.value("property_type", ""); 145 146 pldm::responder::pdr_utils::StatestoDbusVal dbusIdToValMap{}; 147 pldm::utils::DBusMapping dbusMapping{}; 148 try 149 { 150 auto service = dBusIntf.getService(objectPath.c_str(), 151 interface.c_str()); 152 153 dbusMapping = pldm::utils::DBusMapping{ 154 objectPath, interface, propertyName, propertyType}; 155 dbusIdToValMap = pldm::responder::pdr_utils::populateMapping( 156 propertyType, dbusEntry["property_values"], stateValues); 157 } 158 catch (const std::exception& e) 159 { 160 error( 161 "Failed to create effecter PDR, D-Bus object '{PATH}' returned error - {ERROR}", 162 "PATH", objectPath, "ERROR", e); 163 break; 164 } 165 dbusMappings.emplace_back(std::move(dbusMapping)); 166 dbusValMaps.emplace_back(std::move(dbusIdToValMap)); 167 } 168 if (!(dbusMappings.empty() && dbusValMaps.empty())) 169 { 170 pdr->effecter_id = handler.getNextEffecterId(); 171 handler.addDbusObjMaps(pdr->effecter_id, 172 std::make_tuple(std::move(dbusMappings), 173 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 } 181 182 } // namespace pdr_state_effecter 183 } // namespace responder 184 } // namespace pldm 185