1 #include "platform.hpp"
2 
3 #include "common/types.hpp"
4 #include "common/utils.hpp"
5 #include "event_parser.hpp"
6 #include "pdr.hpp"
7 #include "pdr_numeric_effecter.hpp"
8 #include "pdr_state_effecter.hpp"
9 #include "pdr_state_sensor.hpp"
10 #include "pdr_utils.hpp"
11 #include "platform_numeric_effecter.hpp"
12 #include "platform_state_effecter.hpp"
13 #include "platform_state_sensor.hpp"
14 #include "pldmd/dbus_impl_requester.hpp"
15 #include "pldmd/handler.hpp"
16 #include "requester/handler.hpp"
17 
18 #include <libpldm/entity.h>
19 #include <libpldm/state_set.h>
20 
21 #include <phosphor-logging/lg2.hpp>
22 
23 PHOSPHOR_LOG2_USING;
24 
25 using namespace pldm::utils;
26 using namespace pldm::responder::pdr;
27 using namespace pldm::responder::pdr_utils;
28 
29 namespace pldm
30 {
31 namespace responder
32 {
33 namespace platform
34 {
35 using InternalFailure =
36     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
37 
38 static const Json empty{};
39 
40 void Handler::addDbusObjMaps(
41     uint16_t id,
42     std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> dbusObj,
43     TypeId typeId)
44 {
45     if (typeId == TypeId::PLDM_SENSOR_ID)
46     {
47         sensorDbusObjMaps.emplace(id, dbusObj);
48     }
49     else
50     {
51         effecterDbusObjMaps.emplace(id, dbusObj);
52     }
53 }
54 
55 const std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>&
56     Handler::getDbusObjMaps(uint16_t id, TypeId typeId) const
57 {
58     if (typeId == TypeId::PLDM_SENSOR_ID)
59     {
60         return sensorDbusObjMaps.at(id);
61     }
62     else
63     {
64         return effecterDbusObjMaps.at(id);
65     }
66 }
67 
68 void Handler::generate(const pldm::utils::DBusHandler& dBusIntf,
69                        const std::vector<fs::path>& dir, Repo& repo)
70 {
71     for (const auto& directory : dir)
72     {
73         info("Checking if directory '{DIRECTORY}' exists", "DIRECTORY",
74              directory);
75         if (!fs::exists(directory))
76         {
77             return;
78         }
79     }
80 
81     // A map of PDR type to a lambda that handles creation of that PDR type.
82     // The lambda essentially would parse the platform specific PDR JSONs to
83     // generate the PDR structures. This function iterates through the map to
84     // invoke all lambdas, so that all PDR types can be created.
85 
86     const std::map<Type, generatePDR> generateHandlers = {
87         {PLDM_STATE_EFFECTER_PDR,
88          [this](const DBusHandler& dBusIntf, const auto& json,
89                 RepoInterface& repo) {
90         pdr_state_effecter::generateStateEffecterPDR<pldm::utils::DBusHandler,
91                                                      Handler>(dBusIntf, json,
92                                                               *this, repo);
93     }},
94         {PLDM_NUMERIC_EFFECTER_PDR,
95          [this](const DBusHandler& dBusIntf, const auto& json,
96                 RepoInterface& repo) {
97         pdr_numeric_effecter::generateNumericEffecterPDR<
98             pldm::utils::DBusHandler, Handler>(dBusIntf, json, *this, repo);
99     }},
100         {PLDM_STATE_SENSOR_PDR, [this](const DBusHandler& dBusIntf,
101                                        const auto& json, RepoInterface& repo) {
102         pdr_state_sensor::generateStateSensorPDR<pldm::utils::DBusHandler,
103                                                  Handler>(dBusIntf, json, *this,
104                                                           repo);
105     }}};
106 
107     Type pdrType{};
108     for (const auto& directory : dir)
109     {
110         for (const auto& dirEntry : fs::directory_iterator(directory))
111         {
112             try
113             {
114                 if (fs::is_regular_file(dirEntry.path().string()))
115                 {
116                     auto json = readJson(dirEntry.path().string());
117                     if (!json.empty())
118                     {
119                         auto effecterPDRs = json.value("effecterPDRs", empty);
120                         for (const auto& effecter : effecterPDRs)
121                         {
122                             pdrType = effecter.value("pdrType", 0);
123                             generateHandlers.at(pdrType)(dBusIntf, effecter,
124                                                          repo);
125                         }
126 
127                         auto sensorPDRs = json.value("sensorPDRs", empty);
128                         for (const auto& sensor : sensorPDRs)
129                         {
130                             pdrType = sensor.value("pdrType", 0);
131                             generateHandlers.at(pdrType)(dBusIntf, sensor,
132                                                          repo);
133                         }
134                     }
135                 }
136             }
137             catch (const InternalFailure& e)
138             {
139                 error(
140                     "PDR config directory '{PATH}' does not exist or empty for '{TYPE}' pdr, error - {ERROR}",
141                     "PATH", dirEntry.path(), "TYPE", pdrType, "ERROR", e);
142             }
143             catch (const Json::exception& e)
144             {
145                 error(
146                     "Failed to parse PDR JSON file for '{TYPE}' pdr, error - {ERROR}",
147                     "TYPE", pdrType, "ERROR", e);
148                 pldm::utils::reportError(
149                     "xyz.openbmc_project.PLDM.Error.Generate.PDRJsonFileParseFail");
150             }
151             catch (const std::exception& e)
152             {
153                 error(
154                     "Failed to parse PDR JSON file for '{TYPE}' pdr, error - {ERROR}",
155                     "TYPE", pdrType, "ERROR", e);
156                 pldm::utils::reportError(
157                     "xyz.openbmc_project.PLDM.Error.Generate.PDRJsonFileParseFail");
158             }
159         }
160     }
161 }
162 
163 Response Handler::getPDR(const pldm_msg* request, size_t payloadLength)
164 {
165     if (hostPDRHandler)
166     {
167         if (hostPDRHandler->isHostUp() && oemPlatformHandler != nullptr)
168         {
169             auto rc = oemPlatformHandler->checkBMCState();
170             if (rc != PLDM_SUCCESS)
171             {
172                 return ccOnlyResponse(request, PLDM_ERROR_NOT_READY);
173             }
174         }
175     }
176 
177     // Build FRU table if not built, since entity association PDR's
178     // are built when the FRU table is constructed.
179     if (fruHandler)
180     {
181         fruHandler->buildFRUTable();
182     }
183 
184     if (!pdrCreated)
185     {
186         generateTerminusLocatorPDR(pdrRepo);
187         if (platformConfigHandler)
188         {
189             auto systemType = platformConfigHandler->getPlatformName();
190             if (systemType.has_value())
191             {
192                 // In case of normal poweron , the system type would have been
193                 // already filled by entity manager when ever BMC reaches Ready
194                 // state. If this is not filled by time we get a getpdr request
195                 // we can assume that the entity manager service is not present
196                 // on this system & continue to build the common PDR's.
197                 pdrJsonsDir.push_back(pdrJsonDir / systemType.value());
198             }
199         }
200 
201         if (oemPlatformHandler != nullptr)
202         {
203             oemPlatformHandler->buildOEMPDR(pdrRepo);
204         }
205         generate(*dBusIntf, pdrJsonsDir, pdrRepo);
206 
207         pdrCreated = true;
208 
209         if (dbusToPLDMEventHandler)
210         {
211             deferredGetPDREvent = std::make_unique<sdeventplus::source::Defer>(
212                 event,
213                 std::bind(std::mem_fn(&pldm::responder::platform::Handler::
214                                           _processPostGetPDRActions),
215                           this, std::placeholders::_1));
216         }
217     }
218 
219     Response response(sizeof(pldm_msg_hdr) + PLDM_GET_PDR_MIN_RESP_BYTES, 0);
220 
221     if (payloadLength != PLDM_GET_PDR_REQ_BYTES)
222     {
223         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
224     }
225 
226     uint32_t recordHandle{};
227     uint32_t dataTransferHandle{};
228     uint8_t transferOpFlag{};
229     uint16_t reqSizeBytes{};
230     uint16_t recordChangeNum{};
231 
232     auto rc = decode_get_pdr_req(request, payloadLength, &recordHandle,
233                                  &dataTransferHandle, &transferOpFlag,
234                                  &reqSizeBytes, &recordChangeNum);
235     if (rc != PLDM_SUCCESS)
236     {
237         return CmdHandler::ccOnlyResponse(request, rc);
238     }
239 
240     uint16_t respSizeBytes{};
241     uint8_t* recordData = nullptr;
242     try
243     {
244         pdr_utils::PdrEntry e;
245         auto record = pdr::getRecordByHandle(pdrRepo, recordHandle, e);
246         if (record == NULL)
247         {
248             return CmdHandler::ccOnlyResponse(
249                 request, PLDM_PLATFORM_INVALID_RECORD_HANDLE);
250         }
251 
252         if (reqSizeBytes)
253         {
254             respSizeBytes = e.size;
255             if (respSizeBytes > reqSizeBytes)
256             {
257                 respSizeBytes = reqSizeBytes;
258             }
259             recordData = e.data;
260         }
261         response.resize(sizeof(pldm_msg_hdr) + PLDM_GET_PDR_MIN_RESP_BYTES +
262                             respSizeBytes,
263                         0);
264         auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
265         rc = encode_get_pdr_resp(
266             request->hdr.instance_id, PLDM_SUCCESS, e.handle.nextRecordHandle,
267             0, PLDM_START_AND_END, respSizeBytes, recordData, 0, responsePtr);
268         if (rc != PLDM_SUCCESS)
269         {
270             return ccOnlyResponse(request, rc);
271         }
272     }
273     catch (const std::exception& e)
274     {
275         error(
276             "Failed to access PDR record handle '{RECORD_HANDLE}', error - {ERROR}",
277             "RECORD_HANDLE", recordHandle, "ERROR", e);
278         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR);
279     }
280     return response;
281 }
282 
283 Response Handler::setStateEffecterStates(const pldm_msg* request,
284                                          size_t payloadLength)
285 {
286     Response response(
287         sizeof(pldm_msg_hdr) + PLDM_SET_STATE_EFFECTER_STATES_RESP_BYTES, 0);
288     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
289     uint16_t effecterId;
290     uint8_t compEffecterCnt;
291     constexpr auto maxCompositeEffecterCnt = 8;
292     std::vector<set_effecter_state_field> stateField(maxCompositeEffecterCnt,
293                                                      {0, 0});
294 
295     if ((payloadLength > PLDM_SET_STATE_EFFECTER_STATES_REQ_BYTES) ||
296         (payloadLength < sizeof(effecterId) + sizeof(compEffecterCnt) +
297                              sizeof(set_effecter_state_field)))
298     {
299         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
300     }
301 
302     int rc = decode_set_state_effecter_states_req(request, payloadLength,
303                                                   &effecterId, &compEffecterCnt,
304                                                   stateField.data());
305 
306     if (rc != PLDM_SUCCESS)
307     {
308         return CmdHandler::ccOnlyResponse(request, rc);
309     }
310 
311     stateField.resize(compEffecterCnt);
312     const pldm::utils::DBusHandler dBusIntf;
313     uint16_t entityType{};
314     uint16_t entityInstance{};
315     uint16_t stateSetId{};
316 
317     if (isOemStateEffecter(*this, effecterId, compEffecterCnt, entityType,
318                            entityInstance, stateSetId) &&
319         oemPlatformHandler != nullptr &&
320         !effecterDbusObjMaps.contains(effecterId))
321     {
322         rc = oemPlatformHandler->oemSetStateEffecterStatesHandler(
323             entityType, entityInstance, stateSetId, compEffecterCnt, stateField,
324             effecterId);
325     }
326     else
327     {
328         rc = platform_state_effecter::setStateEffecterStatesHandler<
329             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
330                                                stateField);
331     }
332     if (rc != PLDM_SUCCESS)
333     {
334         return CmdHandler::ccOnlyResponse(request, rc);
335     }
336 
337     rc = encode_set_state_effecter_states_resp(request->hdr.instance_id, rc,
338                                                responsePtr);
339     if (rc != PLDM_SUCCESS)
340     {
341         return ccOnlyResponse(request, rc);
342     }
343 
344     return response;
345 }
346 
347 Response Handler::platformEventMessage(const pldm_msg* request,
348                                        size_t payloadLength)
349 {
350     uint8_t formatVersion{};
351     uint8_t tid{};
352     uint8_t eventClass{};
353     size_t offset{};
354 
355     auto rc = decode_platform_event_message_req(
356         request, payloadLength, &formatVersion, &tid, &eventClass, &offset);
357     if (rc != PLDM_SUCCESS)
358     {
359         return CmdHandler::ccOnlyResponse(request, rc);
360     }
361 
362     if (eventClass == PLDM_HEARTBEAT_TIMER_ELAPSED_EVENT)
363     {
364         rc = PLDM_SUCCESS;
365         if (oemPlatformHandler)
366         {
367             if (oemPlatformHandler->watchDogRunning())
368             {
369                 oemPlatformHandler->resetWatchDogTimer();
370             }
371             else
372             {
373                 oemPlatformHandler->setSurvTimer(tid, true);
374             }
375         }
376     }
377     else
378     {
379         try
380         {
381             const auto& handlers = eventHandlers.at(eventClass);
382             for (const auto& handler : handlers)
383             {
384                 auto rc = handler(request, payloadLength, formatVersion, tid,
385                                   offset);
386                 if (rc != PLDM_SUCCESS)
387                 {
388                     return CmdHandler::ccOnlyResponse(request, rc);
389                 }
390             }
391         }
392         catch (const std::out_of_range& e)
393         {
394             error("Failed to handle platform event msg, error - {ERROR}",
395                   "ERROR", e);
396             return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_DATA);
397         }
398     }
399     Response response(
400         sizeof(pldm_msg_hdr) + PLDM_PLATFORM_EVENT_MESSAGE_RESP_BYTES, 0);
401     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
402 
403     rc = encode_platform_event_message_resp(request->hdr.instance_id, rc,
404                                             PLDM_EVENT_NO_LOGGING, responsePtr);
405     if (rc != PLDM_SUCCESS)
406     {
407         return ccOnlyResponse(request, rc);
408     }
409 
410     return response;
411 }
412 
413 int Handler::sensorEvent(const pldm_msg* request, size_t payloadLength,
414                          uint8_t /*formatVersion*/, uint8_t tid,
415                          size_t eventDataOffset)
416 {
417     uint16_t sensorId{};
418     uint8_t eventClass{};
419     size_t eventClassDataOffset{};
420     auto eventData = reinterpret_cast<const uint8_t*>(request->payload) +
421                      eventDataOffset;
422     auto eventDataSize = payloadLength - eventDataOffset;
423 
424     auto rc = decode_sensor_event_data(eventData, eventDataSize, &sensorId,
425                                        &eventClass, &eventClassDataOffset);
426     if (rc != PLDM_SUCCESS)
427     {
428         return rc;
429     }
430 
431     auto eventClassData = reinterpret_cast<const uint8_t*>(request->payload) +
432                           eventDataOffset + eventClassDataOffset;
433     auto eventClassDataSize = payloadLength - eventDataOffset -
434                               eventClassDataOffset;
435 
436     if (eventClass == PLDM_STATE_SENSOR_STATE)
437     {
438         uint8_t sensorOffset{};
439         uint8_t eventState{};
440         uint8_t previousEventState{};
441 
442         rc = decode_state_sensor_data(eventClassData, eventClassDataSize,
443                                       &sensorOffset, &eventState,
444                                       &previousEventState);
445         if (rc != PLDM_SUCCESS)
446         {
447             return PLDM_ERROR;
448         }
449 
450         // Emitting state sensor event signal
451         emitStateSensorEventSignal(tid, sensorId, sensorOffset, eventState,
452                                    previousEventState);
453 
454         // If there are no HOST PDR's, there is no further action
455         if (hostPDRHandler == NULL)
456         {
457             return PLDM_SUCCESS;
458         }
459 
460         // Handle PLDM events for which PDR is available
461         SensorEntry sensorEntry{tid, sensorId};
462 
463         pldm::pdr::EntityInfo entityInfo{};
464         pldm::pdr::CompositeSensorStates compositeSensorStates{};
465         std::vector<pldm::pdr::StateSetId> stateSetIds{};
466 
467         try
468         {
469             std::tie(entityInfo, compositeSensorStates, stateSetIds) =
470                 hostPDRHandler->lookupSensorInfo(sensorEntry);
471         }
472         catch (const std::out_of_range&)
473         {
474             // If there is no mapping for tid, sensorId combination, try
475             // PLDM_TID_RESERVED, sensorId for terminus that is yet to
476             // implement TL PDR.
477             try
478             {
479                 sensorEntry.terminusID = PLDM_TID_RESERVED;
480                 std::tie(entityInfo, compositeSensorStates, stateSetIds) =
481                     hostPDRHandler->lookupSensorInfo(sensorEntry);
482             }
483             // If there is no mapping for events return PLDM_SUCCESS
484             catch (const std::out_of_range&)
485             {
486                 return PLDM_SUCCESS;
487             }
488         }
489 
490         if (sensorOffset >= compositeSensorStates.size())
491         {
492             return PLDM_ERROR_INVALID_DATA;
493         }
494 
495         const auto& possibleStates = compositeSensorStates[sensorOffset];
496         if (!possibleStates.contains(eventState))
497         {
498             return PLDM_ERROR_INVALID_DATA;
499         }
500 
501         const auto& [containerId, entityType, entityInstance] = entityInfo;
502         events::StateSensorEntry stateSensorEntry{containerId, entityType,
503                                                   entityInstance, sensorOffset,
504                                                   stateSetIds[sensorOffset]};
505         return hostPDRHandler->handleStateSensorEvent(stateSensorEntry,
506                                                       eventState);
507     }
508     else
509     {
510         return PLDM_ERROR_INVALID_DATA;
511     }
512 
513     return PLDM_SUCCESS;
514 }
515 
516 int Handler::pldmPDRRepositoryChgEvent(const pldm_msg* request,
517                                        size_t payloadLength,
518                                        uint8_t /*formatVersion*/, uint8_t tid,
519                                        size_t eventDataOffset)
520 {
521     uint8_t eventDataFormat{};
522     uint8_t numberOfChangeRecords{};
523     size_t dataOffset{};
524 
525     auto eventData = reinterpret_cast<const uint8_t*>(request->payload) +
526                      eventDataOffset;
527     auto eventDataSize = payloadLength - eventDataOffset;
528 
529     auto rc = decode_pldm_pdr_repository_chg_event_data(
530         eventData, eventDataSize, &eventDataFormat, &numberOfChangeRecords,
531         &dataOffset);
532     if (rc != PLDM_SUCCESS)
533     {
534         return rc;
535     }
536 
537     PDRRecordHandles pdrRecordHandles;
538 
539     if (eventDataFormat == FORMAT_IS_PDR_TYPES)
540     {
541         return PLDM_ERROR_INVALID_DATA;
542     }
543 
544     if (eventDataFormat == FORMAT_IS_PDR_HANDLES)
545     {
546         uint8_t eventDataOperation{};
547         uint8_t numberOfChangeEntries{};
548 
549         auto changeRecordData = eventData + dataOffset;
550         auto changeRecordDataSize = eventDataSize - dataOffset;
551 
552         while (changeRecordDataSize)
553         {
554             rc = decode_pldm_pdr_repository_change_record_data(
555                 changeRecordData, changeRecordDataSize, &eventDataOperation,
556                 &numberOfChangeEntries, &dataOffset);
557 
558             if (rc != PLDM_SUCCESS)
559             {
560                 return rc;
561             }
562 
563             if (eventDataOperation == PLDM_RECORDS_ADDED ||
564                 eventDataOperation == PLDM_RECORDS_MODIFIED)
565             {
566                 if (eventDataOperation == PLDM_RECORDS_MODIFIED)
567                 {
568                     hostPDRHandler->isHostPdrModified = true;
569                 }
570 
571                 rc = getPDRRecordHandles(
572                     reinterpret_cast<const ChangeEntry*>(changeRecordData +
573                                                          dataOffset),
574                     changeRecordDataSize - dataOffset,
575                     static_cast<size_t>(numberOfChangeEntries),
576                     pdrRecordHandles);
577 
578                 if (rc != PLDM_SUCCESS)
579                 {
580                     return rc;
581                 }
582             }
583 
584             changeRecordData += dataOffset +
585                                 (numberOfChangeEntries * sizeof(ChangeEntry));
586             changeRecordDataSize -=
587                 dataOffset + (numberOfChangeEntries * sizeof(ChangeEntry));
588         }
589     }
590     if (hostPDRHandler)
591     {
592         // if we get a Repository change event with the eventDataFormat
593         // as REFRESH_ENTIRE_REPOSITORY, then delete all the PDR's that
594         // have the matched Terminus handle
595         if (eventDataFormat == REFRESH_ENTIRE_REPOSITORY)
596         {
597             // We cannot get the Repo change event from the Terminus
598             // that is not already added to the BMC repository
599 
600             for (auto it = hostPDRHandler->tlPDRInfo.cbegin();
601                  it != hostPDRHandler->tlPDRInfo.cend();)
602             {
603                 if (std::get<0>(it->second) == tid)
604                 {
605                     pldm_pdr_remove_pdrs_by_terminus_handle(pdrRepo.getPdr(),
606                                                             it->first);
607                     hostPDRHandler->tlPDRInfo.erase(it++);
608                 }
609                 else
610                 {
611                     ++it;
612                 }
613             }
614         }
615         hostPDRHandler->fetchPDR(std::move(pdrRecordHandles));
616     }
617 
618     return PLDM_SUCCESS;
619 }
620 
621 int Handler::getPDRRecordHandles(const ChangeEntry* changeEntryData,
622                                  size_t changeEntryDataSize,
623                                  size_t numberOfChangeEntries,
624                                  PDRRecordHandles& pdrRecordHandles)
625 {
626     if (numberOfChangeEntries > (changeEntryDataSize / sizeof(ChangeEntry)))
627     {
628         return PLDM_ERROR_INVALID_DATA;
629     }
630     for (size_t i = 0; i < numberOfChangeEntries; i++)
631     {
632         pdrRecordHandles.push_back(changeEntryData[i]);
633     }
634     return PLDM_SUCCESS;
635 }
636 
637 Response Handler::getNumericEffecterValue(const pldm_msg* request,
638                                           size_t payloadLength)
639 {
640     if (payloadLength != PLDM_GET_NUMERIC_EFFECTER_VALUE_REQ_BYTES)
641     {
642         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
643     }
644 
645     uint16_t effecterId{};
646     auto rc = decode_get_numeric_effecter_value_req(request, payloadLength,
647                                                     &effecterId);
648     if (rc != PLDM_SUCCESS)
649     {
650         return ccOnlyResponse(request, rc);
651     }
652 
653     const pldm::utils::DBusHandler dBusIntf;
654     uint8_t effecterDataSize{};
655     pldm::utils::PropertyValue dbusValue;
656     std::string propertyType;
657     using effecterOperationalState = uint8_t;
658     using completionCode = uint8_t;
659 
660     rc = platform_numeric_effecter::getNumericEffecterData<
661         pldm::utils::DBusHandler, Handler>(
662         dBusIntf, *this, effecterId, effecterDataSize, propertyType, dbusValue);
663 
664     if (rc != PLDM_SUCCESS)
665     {
666         return ccOnlyResponse(request, rc);
667     }
668 
669     // Refer DSP0248_1.2.0.pdf (section 22.3, Table 48)
670     // Completion Code (uint8), Effecter Data Size(uint8), Effecter Operational
671     // State(uint8), PendingValue (uint8|sint8|uint16|sint16|uint32|sint32 )
672     // PresentValue (uint8|sint8|uint16|sint16|uint32|sint32 )
673     // Size of PendingValue and PresentValue calculated based on size is
674     // provided in effecter data size
675     size_t responsePayloadLength = sizeof(completionCode) +
676                                    sizeof(effecterDataSize) +
677                                    sizeof(effecterOperationalState) +
678                                    getEffecterDataSize(effecterDataSize) +
679                                    getEffecterDataSize(effecterDataSize);
680 
681     Response response(responsePayloadLength + sizeof(pldm_msg_hdr));
682     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
683 
684     rc = platform_numeric_effecter::getNumericEffecterValueHandler(
685         propertyType, dbusValue, effecterDataSize, responsePtr,
686         responsePayloadLength, request->hdr.instance_id);
687 
688     if (rc != PLDM_SUCCESS)
689     {
690         error(
691             "Failed to get response of GetNumericEffecterValue for effecter ID '{EFFECTERID}', response code '{RC}'.",
692             "EFFECTERID", effecterId, "RC", rc);
693         return ccOnlyResponse(request, rc);
694     }
695     return response;
696 }
697 
698 Response Handler::setNumericEffecterValue(const pldm_msg* request,
699                                           size_t payloadLength)
700 {
701     Response response(sizeof(pldm_msg_hdr) +
702                       PLDM_SET_NUMERIC_EFFECTER_VALUE_RESP_BYTES);
703     uint16_t effecterId{};
704     uint8_t effecterDataSize{};
705     uint8_t effecterValue[4] = {};
706 
707     if ((payloadLength > sizeof(effecterId) + sizeof(effecterDataSize) +
708                              sizeof(union_effecter_data_size)) ||
709         (payloadLength < sizeof(effecterId) + sizeof(effecterDataSize) + 1))
710     {
711         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
712     }
713 
714     int rc = decode_set_numeric_effecter_value_req(
715         request, payloadLength, &effecterId, &effecterDataSize, effecterValue);
716 
717     if (rc == PLDM_SUCCESS)
718     {
719         const pldm::utils::DBusHandler dBusIntf;
720         rc = platform_numeric_effecter::setNumericEffecterValueHandler<
721             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
722                                                effecterDataSize, effecterValue,
723                                                sizeof(effecterValue));
724     }
725 
726     return ccOnlyResponse(request, rc);
727 }
728 
729 void Handler::generateTerminusLocatorPDR(Repo& repo)
730 {
731     std::vector<uint8_t> pdrBuffer(sizeof(pldm_terminus_locator_pdr));
732 
733     auto pdr = reinterpret_cast<pldm_terminus_locator_pdr*>(pdrBuffer.data());
734 
735     pdr->hdr.record_handle = 0;
736     pdr->hdr.version = 1;
737     pdr->hdr.type = PLDM_TERMINUS_LOCATOR_PDR;
738     pdr->hdr.record_change_num = 0;
739     pdr->hdr.length = sizeof(pldm_terminus_locator_pdr) - sizeof(pldm_pdr_hdr);
740     pdr->terminus_handle = TERMINUS_HANDLE;
741     pdr->validity = PLDM_TL_PDR_VALID;
742     pdr->tid = TERMINUS_ID;
743     pdr->container_id = 0x0;
744     pdr->terminus_locator_type = PLDM_TERMINUS_LOCATOR_TYPE_MCTP_EID;
745     pdr->terminus_locator_value_size =
746         sizeof(pldm_terminus_locator_type_mctp_eid);
747     auto locatorValue = reinterpret_cast<pldm_terminus_locator_type_mctp_eid*>(
748         pdr->terminus_locator_value);
749     locatorValue->eid = BmcMctpEid;
750 
751     PdrEntry pdrEntry{};
752     pdrEntry.data = pdrBuffer.data();
753     pdrEntry.size = pdrBuffer.size();
754     repo.addRecord(pdrEntry);
755     if (hostPDRHandler)
756     {
757         hostPDRHandler->tlPDRInfo.insert_or_assign(
758             pdr->terminus_handle,
759             std::make_tuple(pdr->tid, locatorValue->eid, pdr->validity));
760     }
761 }
762 
763 Response Handler::getStateSensorReadings(const pldm_msg* request,
764                                          size_t payloadLength)
765 {
766     uint16_t sensorId{};
767     bitfield8_t sensorRearm{};
768     uint8_t reserved{};
769 
770     if (payloadLength != PLDM_GET_STATE_SENSOR_READINGS_REQ_BYTES)
771     {
772         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
773     }
774 
775     int rc = decode_get_state_sensor_readings_req(
776         request, payloadLength, &sensorId, &sensorRearm, &reserved);
777 
778     if (rc != PLDM_SUCCESS)
779     {
780         return ccOnlyResponse(request, rc);
781     }
782 
783     // 0x01 to 0x08
784     uint8_t sensorRearmCount = std::popcount(sensorRearm.byte);
785     std::vector<get_sensor_state_field> stateField(sensorRearmCount);
786     uint8_t comSensorCnt{};
787     const pldm::utils::DBusHandler dBusIntf;
788 
789     uint16_t entityType{};
790     uint16_t entityInstance{};
791     uint16_t stateSetId{};
792 
793     if (isOemStateSensor(*this, sensorId, sensorRearmCount, comSensorCnt,
794                          entityType, entityInstance, stateSetId) &&
795         oemPlatformHandler != nullptr && !sensorDbusObjMaps.contains(sensorId))
796     {
797         rc = oemPlatformHandler->getOemStateSensorReadingsHandler(
798             entityType, entityInstance, stateSetId, comSensorCnt, stateField);
799     }
800     else
801     {
802         rc = platform_state_sensor::getStateSensorReadingsHandler<
803             pldm::utils::DBusHandler, Handler>(
804             dBusIntf, *this, sensorId, sensorRearmCount, comSensorCnt,
805             stateField, dbusToPLDMEventHandler->getSensorCache());
806     }
807 
808     if (rc != PLDM_SUCCESS)
809     {
810         return ccOnlyResponse(request, rc);
811     }
812 
813     Response response(sizeof(pldm_msg_hdr) +
814                       PLDM_GET_STATE_SENSOR_READINGS_MIN_RESP_BYTES +
815                       sizeof(get_sensor_state_field) * comSensorCnt);
816     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
817     rc = encode_get_state_sensor_readings_resp(request->hdr.instance_id, rc,
818                                                comSensorCnt, stateField.data(),
819                                                responsePtr);
820     if (rc != PLDM_SUCCESS)
821     {
822         return ccOnlyResponse(request, rc);
823     }
824 
825     return response;
826 }
827 
828 void Handler::_processPostGetPDRActions(sdeventplus::source::EventBase&
829                                         /*source */)
830 {
831     deferredGetPDREvent.reset();
832     dbusToPLDMEventHandler->listenSensorEvent(pdrRepo, sensorDbusObjMaps);
833 }
834 
835 bool isOemStateSensor(Handler& handler, uint16_t sensorId,
836                       uint8_t sensorRearmCount, uint8_t& compSensorCnt,
837                       uint16_t& entityType, uint16_t& entityInstance,
838                       uint16_t& stateSetId)
839 {
840     pldm_state_sensor_pdr* pdr = nullptr;
841 
842     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateSensorPdrRepo(
843         pldm_pdr_init(), pldm_pdr_destroy);
844     if (!stateSensorPdrRepo)
845     {
846         error("Failed to instantiate state sensor PDR repository");
847         return false;
848     }
849     Repo stateSensorPDRs(stateSensorPdrRepo.get());
850     getRepoByType(handler.getRepo(), stateSensorPDRs, PLDM_STATE_SENSOR_PDR);
851     if (stateSensorPDRs.empty())
852     {
853         error("Failed to get record by PDR type");
854         return false;
855     }
856 
857     PdrEntry pdrEntry{};
858     auto pdrRecord = stateSensorPDRs.getFirstRecord(pdrEntry);
859     while (pdrRecord)
860     {
861         pdr = reinterpret_cast<pldm_state_sensor_pdr*>(pdrEntry.data);
862         assert(pdr != NULL);
863         if (pdr->sensor_id != sensorId)
864         {
865             pdr = nullptr;
866             pdrRecord = stateSensorPDRs.getNextRecord(pdrRecord, pdrEntry);
867             continue;
868         }
869         auto tmpEntityType = pdr->entity_type;
870         auto tmpEntityInstance = pdr->entity_instance;
871         auto tmpCompSensorCnt = pdr->composite_sensor_count;
872         auto tmpPossibleStates =
873             reinterpret_cast<state_sensor_possible_states*>(
874                 pdr->possible_states);
875         auto tmpStateSetId = tmpPossibleStates->state_set_id;
876 
877         if (sensorRearmCount > tmpCompSensorCnt)
878         {
879             error(
880                 "The requester sent wrong sensor rearm count '{SENSOR_REARM_COUNT}' for the sensor ID '{SENSORID}'.",
881                 "SENSOR_REARM_COUNT", (uint16_t)sensorRearmCount, "SENSORID",
882                 sensorId);
883             break;
884         }
885 
886         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
887              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
888             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
889              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
890         {
891             entityType = tmpEntityType;
892             entityInstance = tmpEntityInstance;
893             stateSetId = tmpStateSetId;
894             compSensorCnt = tmpCompSensorCnt;
895             return true;
896         }
897         else
898         {
899             return false;
900         }
901     }
902     return false;
903 }
904 
905 bool isOemStateEffecter(Handler& handler, uint16_t effecterId,
906                         uint8_t compEffecterCnt, uint16_t& entityType,
907                         uint16_t& entityInstance, uint16_t& stateSetId)
908 {
909     pldm_state_effecter_pdr* pdr = nullptr;
910 
911     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateEffecterPdrRepo(
912         pldm_pdr_init(), pldm_pdr_destroy);
913     if (!stateEffecterPdrRepo)
914     {
915         error("Failed to instantiate state effecter PDR repository");
916         return false;
917     }
918     Repo stateEffecterPDRs(stateEffecterPdrRepo.get());
919     getRepoByType(handler.getRepo(), stateEffecterPDRs,
920                   PLDM_STATE_EFFECTER_PDR);
921     if (stateEffecterPDRs.empty())
922     {
923         error("Failed to get record by PDR type");
924         return false;
925     }
926 
927     PdrEntry pdrEntry{};
928     auto pdrRecord = stateEffecterPDRs.getFirstRecord(pdrEntry);
929     while (pdrRecord)
930     {
931         pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrEntry.data);
932         assert(pdr != NULL);
933         if (pdr->effecter_id != effecterId)
934         {
935             pdr = nullptr;
936             pdrRecord = stateEffecterPDRs.getNextRecord(pdrRecord, pdrEntry);
937             continue;
938         }
939 
940         auto tmpEntityType = pdr->entity_type;
941         auto tmpEntityInstance = pdr->entity_instance;
942         auto tmpPossibleStates =
943             reinterpret_cast<state_effecter_possible_states*>(
944                 pdr->possible_states);
945         auto tmpStateSetId = tmpPossibleStates->state_set_id;
946 
947         if (compEffecterCnt > pdr->composite_effecter_count)
948         {
949             error(
950                 "The requester sent wrong composite effecter count '{COMPOSITE_EFFECTER_COUNT}' for the effecter ID '{EFFECTERID}'.",
951                 "COMPOSITE_EFFECTER_COUNT", (uint16_t)compEffecterCnt,
952                 "EFFECTERID", effecterId);
953             return false;
954         }
955 
956         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
957              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
958             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
959              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
960         {
961             entityType = tmpEntityType;
962             entityInstance = tmpEntityInstance;
963             stateSetId = tmpStateSetId;
964             return true;
965         }
966         else
967         {
968             return false;
969         }
970     }
971     return false;
972 }
973 
974 void Handler::setEventReceiver()
975 {
976     std::vector<uint8_t> requestMsg(sizeof(pldm_msg_hdr) +
977                                     PLDM_SET_EVENT_RECEIVER_REQ_BYTES);
978     auto request = reinterpret_cast<pldm_msg*>(requestMsg.data());
979     auto instanceId = instanceIdDb->next(eid);
980     uint8_t eventMessageGlobalEnable =
981         PLDM_EVENT_MESSAGE_GLOBAL_ENABLE_ASYNC_KEEP_ALIVE;
982     uint8_t transportProtocolType = PLDM_TRANSPORT_PROTOCOL_TYPE_MCTP;
983     uint8_t eventReceiverAddressInfo = pldm::responder::pdr::BmcMctpEid;
984     uint16_t heartbeatTimer = HEARTBEAT_TIMEOUT;
985 
986     auto rc = encode_set_event_receiver_req(
987         instanceId, eventMessageGlobalEnable, transportProtocolType,
988         eventReceiverAddressInfo, heartbeatTimer, request);
989     if (rc != PLDM_SUCCESS)
990     {
991         instanceIdDb->free(eid, instanceId);
992         error(
993             "Failed to encode set event receiver request, response code '{RC}'",
994             "RC", lg2::hex, rc);
995         return;
996     }
997 
998     auto processSetEventReceiverResponse =
999         [](mctp_eid_t /*eid*/, const pldm_msg* response, size_t respMsgLen) {
1000         if (response == nullptr || !respMsgLen)
1001         {
1002             error("Failed to receive response for setEventReceiver command");
1003             return;
1004         }
1005 
1006         uint8_t completionCode{};
1007         auto rc = decode_set_event_receiver_resp(response, respMsgLen,
1008                                                  &completionCode);
1009         if (rc || completionCode)
1010         {
1011             error(
1012                 "Failed to decode setEventReceiver command, response code '{RC}' and completion code '{CC}'",
1013                 "RC", rc, "CC", (unsigned)completionCode);
1014             pldm::utils::reportError(
1015                 "xyz.openbmc_project.bmc.pldm.InternalFailure");
1016         }
1017     };
1018     rc = handler->registerRequest(
1019         eid, instanceId, PLDM_PLATFORM, PLDM_SET_EVENT_RECEIVER,
1020         std::move(requestMsg), std::move(processSetEventReceiverResponse));
1021 
1022     if (rc != PLDM_SUCCESS)
1023     {
1024         error("Failed to send the setEventReceiver request");
1025     }
1026 
1027     if (oemPlatformHandler)
1028     {
1029         oemPlatformHandler->countSetEventReceiver();
1030         oemPlatformHandler->checkAndDisableWatchDog();
1031     }
1032 }
1033 
1034 } // namespace platform
1035 } // namespace responder
1036 } // namespace pldm
1037