1 #include "dbus_to_host_effecters.hpp" 2 3 #include <libpldm/pdr.h> 4 #include <libpldm/platform.h> 5 #include <libpldm/pldm.h> 6 7 #include <phosphor-logging/lg2.hpp> 8 #include <xyz/openbmc_project/Common/error.hpp> 9 #include <xyz/openbmc_project/State/OperatingSystem/Status/server.hpp> 10 11 #include <fstream> 12 #include <iostream> 13 14 PHOSPHOR_LOG2_USING; 15 16 using namespace pldm::utils; 17 18 namespace pldm 19 { 20 namespace host_effecters 21 { 22 using InternalFailure = 23 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 24 25 constexpr auto hostEffecterJson = "dbus_to_host_effecter.json"; 26 27 void HostEffecterParser::populatePropVals( 28 const Json& dBusValues, std::vector<PropertyValue>& propertyValues, 29 const std::string& propertyType) 30 31 { 32 for (const auto& elem : dBusValues) 33 { 34 auto value = jsonEntryToDbusVal(propertyType, elem); 35 propertyValues.emplace_back(value); 36 } 37 } 38 39 void HostEffecterParser::parseEffecterJson(const std::string& jsonPath) 40 { 41 fs::path jsonDir(jsonPath); 42 if (!fs::exists(jsonDir) || fs::is_empty(jsonDir)) 43 { 44 error("Host Effecter json path does not exist, DIR = {JSON_PATH}", 45 "JSON_PATH", jsonPath.c_str()); 46 return; 47 } 48 49 fs::path jsonFilePath = jsonDir / hostEffecterJson; 50 if (!fs::exists(jsonFilePath)) 51 { 52 error("json does not exist, PATH = {JSON_PATH}", "JSON_PATH", 53 jsonFilePath.c_str()); 54 throw InternalFailure(); 55 } 56 57 std::ifstream jsonFile(jsonFilePath); 58 auto data = Json::parse(jsonFile, nullptr, false); 59 if (data.is_discarded()) 60 { 61 error("Parsing json file failed, FILE = {JSON_PATH}", "JSON_PATH", 62 jsonFilePath.c_str()); 63 throw InternalFailure(); 64 } 65 const Json empty{}; 66 const std::vector<Json> emptyList{}; 67 68 auto entries = data.value("entries", emptyList); 69 for (const auto& entry : entries) 70 { 71 EffecterInfo effecterInfo; 72 effecterInfo.mctpEid = entry.value("mctp_eid", 0xFF); 73 auto jsonEffecterInfo = entry.value("effecter_info", empty); 74 auto effecterId = 75 jsonEffecterInfo.value("effecterID", PLDM_INVALID_EFFECTER_ID); 76 effecterInfo.containerId = jsonEffecterInfo.value("containerID", 0); 77 effecterInfo.entityType = jsonEffecterInfo.value("entityType", 0); 78 effecterInfo.entityInstance = 79 jsonEffecterInfo.value("entityInstance", 0); 80 effecterInfo.compEffecterCnt = 81 jsonEffecterInfo.value("compositeEffecterCount", 0); 82 auto effecters = entry.value("effecters", emptyList); 83 for (const auto& effecter : effecters) 84 { 85 DBusEffecterMapping dbusInfo{}; 86 auto jsonDbusInfo = effecter.value("dbus_info", empty); 87 dbusInfo.dbusMap.objectPath = jsonDbusInfo.value("object_path", ""); 88 dbusInfo.dbusMap.interface = jsonDbusInfo.value("interface", ""); 89 dbusInfo.dbusMap.propertyName = 90 jsonDbusInfo.value("property_name", ""); 91 dbusInfo.dbusMap.propertyType = 92 jsonDbusInfo.value("property_type", ""); 93 Json propertyValues = jsonDbusInfo["property_values"]; 94 95 populatePropVals(propertyValues, dbusInfo.propertyValues, 96 dbusInfo.dbusMap.propertyType); 97 98 const std::vector<uint8_t> emptyStates{}; 99 auto state = effecter.value("state", empty); 100 dbusInfo.state.stateSetId = state.value("id", 0); 101 auto states = state.value("state_values", emptyStates); 102 if (dbusInfo.propertyValues.size() != states.size()) 103 { 104 error( 105 "Number of states do not match with number of D-Bus property values in the json. Object path {OBJ_PATH} and property {PROP_NAME} will not be monitored", 106 "OBJ_PATH", dbusInfo.dbusMap.objectPath.c_str(), 107 "PROP_NAME", dbusInfo.dbusMap.propertyName); 108 continue; 109 } 110 for (const auto& s : states) 111 { 112 dbusInfo.state.states.emplace_back(s); 113 } 114 115 auto effecterInfoIndex = hostEffecterInfo.size(); 116 auto dbusInfoIndex = effecterInfo.dbusInfo.size(); 117 createHostEffecterMatch( 118 dbusInfo.dbusMap.objectPath, dbusInfo.dbusMap.interface, 119 effecterInfoIndex, dbusInfoIndex, effecterId); 120 effecterInfo.dbusInfo.emplace_back(std::move(dbusInfo)); 121 } 122 hostEffecterInfo.emplace_back(std::move(effecterInfo)); 123 } 124 } 125 126 void HostEffecterParser::processHostEffecterChangeNotification( 127 const DbusChgHostEffecterProps& chProperties, size_t effecterInfoIndex, 128 size_t dbusInfoIndex, uint16_t effecterId) 129 { 130 const auto& propertyName = hostEffecterInfo[effecterInfoIndex] 131 .dbusInfo[dbusInfoIndex] 132 .dbusMap.propertyName; 133 134 const auto& it = chProperties.find(propertyName); 135 136 if (it == chProperties.end()) 137 { 138 return; 139 } 140 141 if (effecterId == PLDM_INVALID_EFFECTER_ID) 142 { 143 constexpr auto localOrRemote = false; 144 effecterId = findStateEffecterId( 145 pdrRepo, hostEffecterInfo[effecterInfoIndex].entityType, 146 hostEffecterInfo[effecterInfoIndex].entityInstance, 147 hostEffecterInfo[effecterInfoIndex].containerId, 148 hostEffecterInfo[effecterInfoIndex] 149 .dbusInfo[dbusInfoIndex] 150 .state.stateSetId, 151 localOrRemote); 152 if (effecterId == PLDM_INVALID_EFFECTER_ID) 153 { 154 error("Effecter id not found in pdr repo"); 155 return; 156 } 157 } 158 constexpr auto hostStateInterface = 159 "xyz.openbmc_project.State.Boot.Progress"; 160 constexpr auto hostStatePath = "/xyz/openbmc_project/state/host0"; 161 162 try 163 { 164 auto propVal = dbusHandler->getDbusPropertyVariant( 165 hostStatePath, "BootProgress", hostStateInterface); 166 const auto& currHostState = std::get<std::string>(propVal); 167 if ((currHostState != "xyz.openbmc_project.State.Boot.Progress." 168 "ProgressStages.SystemInitComplete") && 169 (currHostState != "xyz.openbmc_project.State.Boot.Progress." 170 "ProgressStages.OSRunning") && 171 (currHostState != "xyz.openbmc_project.State.Boot.Progress." 172 "ProgressStages.OSStart") && 173 (currHostState != "xyz.openbmc_project.State.Boot.Progress." 174 "ProgressStages.SystemSetup")) 175 { 176 info("Host is not up. Current host state: {CUR_HOST_STATE}", 177 "CUR_HOST_STATE", currHostState.c_str()); 178 return; 179 } 180 } 181 catch (const sdbusplus::exception_t& e) 182 { 183 error( 184 "Error in getting current host state. Will still continue to set the host effecter - {ERR_EXCEP}", 185 "ERR_EXCEP", e.what()); 186 } 187 uint8_t newState{}; 188 try 189 { 190 newState = 191 findNewStateValue(effecterInfoIndex, dbusInfoIndex, it->second); 192 } 193 catch (const std::out_of_range& e) 194 { 195 error("New state not found in json"); 196 return; 197 } 198 199 std::vector<set_effecter_state_field> stateField; 200 for (uint8_t i = 0; i < hostEffecterInfo[effecterInfoIndex].compEffecterCnt; 201 i++) 202 { 203 if (i == dbusInfoIndex) 204 { 205 stateField.push_back({PLDM_REQUEST_SET, newState}); 206 } 207 else 208 { 209 stateField.push_back({PLDM_NO_CHANGE, 0}); 210 } 211 } 212 int rc{}; 213 try 214 { 215 rc = setHostStateEffecter(effecterInfoIndex, stateField, effecterId); 216 } 217 catch (const std::runtime_error& e) 218 { 219 error("Could not set host state effecter"); 220 return; 221 } 222 if (rc != PLDM_SUCCESS) 223 { 224 error("Could not set the host state effecter, rc= {RC}", "RC", rc); 225 } 226 } 227 228 uint8_t 229 HostEffecterParser::findNewStateValue(size_t effecterInfoIndex, 230 size_t dbusInfoIndex, 231 const PropertyValue& propertyValue) 232 { 233 const auto& propValues = hostEffecterInfo[effecterInfoIndex] 234 .dbusInfo[dbusInfoIndex] 235 .propertyValues; 236 auto it = std::find(propValues.begin(), propValues.end(), propertyValue); 237 uint8_t newState{}; 238 if (it != propValues.end()) 239 { 240 auto index = std::distance(propValues.begin(), it); 241 newState = hostEffecterInfo[effecterInfoIndex] 242 .dbusInfo[dbusInfoIndex] 243 .state.states[index]; 244 } 245 else 246 { 247 throw std::out_of_range("new state not found in json"); 248 } 249 return newState; 250 } 251 252 int HostEffecterParser::setHostStateEffecter( 253 size_t effecterInfoIndex, std::vector<set_effecter_state_field>& stateField, 254 uint16_t effecterId) 255 { 256 uint8_t& mctpEid = hostEffecterInfo[effecterInfoIndex].mctpEid; 257 uint8_t& compEffCnt = hostEffecterInfo[effecterInfoIndex].compEffecterCnt; 258 auto instanceId = requester->getInstanceId(mctpEid); 259 260 std::vector<uint8_t> requestMsg( 261 sizeof(pldm_msg_hdr) + sizeof(effecterId) + sizeof(compEffCnt) + 262 sizeof(set_effecter_state_field) * compEffCnt, 263 0); 264 auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); 265 auto rc = encode_set_state_effecter_states_req( 266 instanceId, effecterId, compEffCnt, stateField.data(), request); 267 268 if (rc != PLDM_SUCCESS) 269 { 270 error("Message encode failure. PLDM error code = {RC}", "RC", lg2::hex, 271 rc); 272 requester->markFree(mctpEid, instanceId); 273 return rc; 274 } 275 276 auto setStateEffecterStatesRespHandler = [](mctp_eid_t /*eid*/, 277 const pldm_msg* response, 278 size_t respMsgLen) { 279 if (response == nullptr || !respMsgLen) 280 { 281 error( 282 "Failed to receive response for setStateEffecterStates command"); 283 return; 284 } 285 uint8_t completionCode{}; 286 auto rc = decode_set_state_effecter_states_resp(response, respMsgLen, 287 &completionCode); 288 if (rc) 289 { 290 error("Failed to decode setStateEffecterStates response, rc {RC}", 291 "RC", rc); 292 pldm::utils::reportError( 293 "xyz.openbmc_project.bmc.pldm.SetHostEffecterFailed"); 294 } 295 if (completionCode) 296 { 297 error("Failed to set a Host effecter, cc = {CC}", "CC", 298 static_cast<unsigned>(completionCode)); 299 pldm::utils::reportError( 300 "xyz.openbmc_project.bmc.pldm.SetHostEffecterFailed"); 301 } 302 }; 303 304 rc = handler->registerRequest( 305 mctpEid, instanceId, PLDM_PLATFORM, PLDM_SET_STATE_EFFECTER_STATES, 306 std::move(requestMsg), std::move(setStateEffecterStatesRespHandler)); 307 if (rc) 308 { 309 error("Failed to send request to set an effecter on Host"); 310 } 311 return rc; 312 } 313 314 void HostEffecterParser::createHostEffecterMatch(const std::string& objectPath, 315 const std::string& interface, 316 size_t effecterInfoIndex, 317 size_t dbusInfoIndex, 318 uint16_t effecterId) 319 { 320 using namespace sdbusplus::bus::match::rules; 321 effecterInfoMatch.emplace_back(std::make_unique<sdbusplus::bus::match_t>( 322 pldm::utils::DBusHandler::getBus(), 323 propertiesChanged(objectPath, interface), 324 [this, effecterInfoIndex, dbusInfoIndex, 325 effecterId](sdbusplus::message_t& msg) { 326 DbusChgHostEffecterProps props; 327 std::string iface; 328 msg.read(iface, props); 329 processHostEffecterChangeNotification(props, effecterInfoIndex, 330 dbusInfoIndex, effecterId); 331 })); 332 } 333 334 } // namespace host_effecters 335 } // namespace pldm 336