1 #include "oem_ibm_handler.hpp"
2 
3 #include "file_io_type_lid.hpp"
4 #include "libpldmresponder/file_io.hpp"
5 #include "libpldmresponder/pdr_utils.hpp"
6 
7 #include <libpldm/entity.h>
8 #include <libpldm/oem/ibm/entity.h>
9 
10 #include <phosphor-logging/lg2.hpp>
11 #include <xyz/openbmc_project/State/BMC/client.hpp>
12 
13 PHOSPHOR_LOG2_USING;
14 
15 using namespace pldm::pdr;
16 using namespace pldm::utils;
17 
18 namespace pldm
19 {
20 namespace responder
21 {
22 namespace oem_ibm_platform
23 {
24 int pldm::responder::oem_ibm_platform::Handler::
25     getOemStateSensorReadingsHandler(
26         pldm::pdr::EntityType entityType, EntityInstance entityInstance,
27         StateSetId stateSetId, CompositeCount compSensorCnt,
28         std::vector<get_sensor_state_field>& stateField)
29 {
30     int rc = PLDM_SUCCESS;
31     stateField.clear();
32 
33     for (size_t i = 0; i < compSensorCnt; i++)
34     {
35         uint8_t sensorOpState{};
36         if (entityType == PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE &&
37             stateSetId == PLDM_OEM_IBM_BOOT_STATE)
38         {
39             sensorOpState = fetchBootSide(entityInstance, codeUpdate);
40         }
41         else
42         {
43             rc = PLDM_PLATFORM_INVALID_STATE_VALUE;
44             break;
45         }
46         stateField.push_back({PLDM_SENSOR_ENABLED, PLDM_SENSOR_UNKNOWN,
47                               PLDM_SENSOR_UNKNOWN, sensorOpState});
48     }
49     return rc;
50 }
51 
52 int pldm::responder::oem_ibm_platform::Handler::
53     oemSetStateEffecterStatesHandler(
54         uint16_t entityType, uint16_t entityInstance, uint16_t stateSetId,
55         uint8_t compEffecterCnt,
56         std::vector<set_effecter_state_field>& stateField,
57         uint16_t /*effecterId*/)
58 {
59     int rc = PLDM_SUCCESS;
60 
61     for (uint8_t currState = 0; currState < compEffecterCnt; ++currState)
62     {
63         if (stateField[currState].set_request == PLDM_REQUEST_SET)
64         {
65             if (entityType == PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE &&
66                 stateSetId == PLDM_OEM_IBM_BOOT_STATE)
67             {
68                 rc = setBootSide(entityInstance, currState, stateField,
69                                  codeUpdate);
70             }
71             else if (entityType == PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE &&
72                      stateSetId == PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE)
73             {
74                 if (stateField[currState].effecter_state ==
75                     uint8_t(CodeUpdateState::START))
76                 {
77                     codeUpdate->setCodeUpdateProgress(true);
78                     startUpdateEvent =
79                         std::make_unique<sdeventplus::source::Defer>(
80                             event,
81                             std::bind(std::mem_fn(&oem_ibm_platform::Handler::
82                                                       _processStartUpdate),
83                                       this, std::placeholders::_1));
84                 }
85                 else if (stateField[currState].effecter_state ==
86                          uint8_t(CodeUpdateState::END))
87                 {
88                     rc = PLDM_SUCCESS;
89                     assembleImageEvent = std::make_unique<
90                         sdeventplus::source::Defer>(
91                         event,
92                         std::bind(
93                             std::mem_fn(
94                                 &oem_ibm_platform::Handler::_processEndUpdate),
95                             this, std::placeholders::_1));
96 
97                     // sendCodeUpdateEvent(effecterId, END, START);
98                 }
99                 else if (stateField[currState].effecter_state ==
100                          uint8_t(CodeUpdateState::ABORT))
101                 {
102                     codeUpdate->setCodeUpdateProgress(false);
103                     codeUpdate->clearDirPath(LID_STAGING_DIR);
104                     auto sensorId = codeUpdate->getFirmwareUpdateSensor();
105                     sendStateSensorEvent(sensorId, PLDM_STATE_SENSOR_STATE, 0,
106                                          uint8_t(CodeUpdateState::ABORT),
107                                          uint8_t(CodeUpdateState::START));
108                     // sendCodeUpdateEvent(effecterId, ABORT, END);
109                 }
110                 else if (stateField[currState].effecter_state ==
111                          uint8_t(CodeUpdateState::ACCEPT))
112                 {
113                     auto sensorId = codeUpdate->getFirmwareUpdateSensor();
114                     sendStateSensorEvent(sensorId, PLDM_STATE_SENSOR_STATE, 0,
115                                          uint8_t(CodeUpdateState::ACCEPT),
116                                          uint8_t(CodeUpdateState::END));
117                     // TODO Set new Dbus property provided by code update app
118                     // sendCodeUpdateEvent(effecterId, ACCEPT, END);
119                 }
120                 else if (stateField[currState].effecter_state ==
121                          uint8_t(CodeUpdateState::REJECT))
122                 {
123                     auto sensorId = codeUpdate->getFirmwareUpdateSensor();
124                     sendStateSensorEvent(sensorId, PLDM_STATE_SENSOR_STATE, 0,
125                                          uint8_t(CodeUpdateState::REJECT),
126                                          uint8_t(CodeUpdateState::END));
127                     // TODO Set new Dbus property provided by code update app
128                     // sendCodeUpdateEvent(effecterId, REJECT, END);
129                 }
130             }
131             else if (entityType == PLDM_ENTITY_SYSTEM_CHASSIS &&
132                      stateSetId == PLDM_OEM_IBM_SYSTEM_POWER_STATE)
133             {
134                 if (stateField[currState].effecter_state == POWER_CYCLE_HARD)
135                 {
136                     systemRebootEvent =
137                         std::make_unique<sdeventplus::source::Defer>(
138                             event,
139                             std::bind(std::mem_fn(&oem_ibm_platform::Handler::
140                                                       _processSystemReboot),
141                                       this, std::placeholders::_1));
142                 }
143             }
144             else
145             {
146                 rc = PLDM_PLATFORM_SET_EFFECTER_UNSUPPORTED_SENSORSTATE;
147             }
148         }
149         if (rc != PLDM_SUCCESS)
150         {
151             break;
152         }
153     }
154     return rc;
155 }
156 
157 void buildAllCodeUpdateEffecterPDR(oem_ibm_platform::Handler* platformHandler,
158                                    uint16_t entityType, uint16_t entityInstance,
159                                    uint16_t stateSetID, pdr_utils::Repo& repo)
160 {
161     size_t pdrSize = 0;
162     pdrSize = sizeof(pldm_state_effecter_pdr) +
163               sizeof(state_effecter_possible_states);
164     std::vector<uint8_t> entry{};
165     entry.resize(pdrSize);
166     pldm_state_effecter_pdr* pdr =
167         reinterpret_cast<pldm_state_effecter_pdr*>(entry.data());
168     if (!pdr)
169     {
170         error("Failed to get record by PDR type, error - {ERROR}", "ERROR",
171               lg2::hex,
172               static_cast<unsigned>(PLDM_PLATFORM_INVALID_EFFECTER_ID));
173         return;
174     }
175     pdr->hdr.record_handle = 0;
176     pdr->hdr.version = 1;
177     pdr->hdr.type = PLDM_STATE_EFFECTER_PDR;
178     pdr->hdr.record_change_num = 0;
179     pdr->hdr.length = sizeof(pldm_state_effecter_pdr) - sizeof(pldm_pdr_hdr);
180     pdr->terminus_handle = TERMINUS_HANDLE;
181     pdr->effecter_id = platformHandler->getNextEffecterId();
182     pdr->entity_type = entityType;
183     pdr->entity_instance = entityInstance;
184     pdr->container_id = 1;
185     pdr->effecter_semantic_id = 0;
186     pdr->effecter_init = PLDM_NO_INIT;
187     pdr->has_description_pdr = false;
188     pdr->composite_effecter_count = 1;
189 
190     auto* possibleStatesPtr = pdr->possible_states;
191     auto possibleStates =
192         reinterpret_cast<state_effecter_possible_states*>(possibleStatesPtr);
193     possibleStates->state_set_id = stateSetID;
194     possibleStates->possible_states_size = 2;
195     auto state =
196         reinterpret_cast<state_effecter_possible_states*>(possibleStates);
197     if (stateSetID == PLDM_OEM_IBM_BOOT_STATE)
198         state->states[0].byte = 6;
199     else if (stateSetID == PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE)
200         state->states[0].byte = 126;
201     else if (stateSetID == PLDM_OEM_IBM_SYSTEM_POWER_STATE)
202         state->states[0].byte = 2;
203     pldm::responder::pdr_utils::PdrEntry pdrEntry{};
204     pdrEntry.data = entry.data();
205     pdrEntry.size = pdrSize;
206     repo.addRecord(pdrEntry);
207 }
208 
209 void buildAllCodeUpdateSensorPDR(oem_ibm_platform::Handler* platformHandler,
210                                  uint16_t entityType, uint16_t entityInstance,
211                                  uint16_t stateSetID, pdr_utils::Repo& repo)
212 {
213     size_t pdrSize = 0;
214     pdrSize = sizeof(pldm_state_sensor_pdr) +
215               sizeof(state_sensor_possible_states);
216     std::vector<uint8_t> entry{};
217     entry.resize(pdrSize);
218     pldm_state_sensor_pdr* pdr =
219         reinterpret_cast<pldm_state_sensor_pdr*>(entry.data());
220     if (!pdr)
221     {
222         error("Failed to get record by PDR type, error - {ERROR}", "ERROR",
223               lg2::hex, static_cast<unsigned>(PLDM_PLATFORM_INVALID_SENSOR_ID));
224         return;
225     }
226     pdr->hdr.record_handle = 0;
227     pdr->hdr.version = 1;
228     pdr->hdr.type = PLDM_STATE_SENSOR_PDR;
229     pdr->hdr.record_change_num = 0;
230     pdr->hdr.length = sizeof(pldm_state_sensor_pdr) - sizeof(pldm_pdr_hdr);
231     pdr->terminus_handle = TERMINUS_HANDLE;
232     pdr->sensor_id = platformHandler->getNextSensorId();
233     pdr->entity_type = entityType;
234     pdr->entity_instance = entityInstance;
235     pdr->container_id = 1;
236     pdr->sensor_init = PLDM_NO_INIT;
237     pdr->sensor_auxiliary_names_pdr = false;
238     pdr->composite_sensor_count = 1;
239 
240     auto* possibleStatesPtr = pdr->possible_states;
241     auto possibleStates =
242         reinterpret_cast<state_sensor_possible_states*>(possibleStatesPtr);
243     possibleStates->state_set_id = stateSetID;
244     possibleStates->possible_states_size = 2;
245     auto state =
246         reinterpret_cast<state_sensor_possible_states*>(possibleStates);
247     if ((stateSetID == PLDM_OEM_IBM_BOOT_STATE) ||
248         (stateSetID == PLDM_OEM_IBM_VERIFICATION_STATE))
249         state->states[0].byte = 6;
250     else if (stateSetID == PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE)
251         state->states[0].byte = 126;
252     pldm::responder::pdr_utils::PdrEntry pdrEntry{};
253     pdrEntry.data = entry.data();
254     pdrEntry.size = pdrSize;
255     repo.addRecord(pdrEntry);
256 }
257 
258 void pldm::responder::oem_ibm_platform::Handler::buildOEMPDR(
259     pdr_utils::Repo& repo)
260 {
261     buildAllCodeUpdateEffecterPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
262                                   ENTITY_INSTANCE_0, PLDM_OEM_IBM_BOOT_STATE,
263                                   repo);
264     buildAllCodeUpdateEffecterPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
265                                   ENTITY_INSTANCE_1, PLDM_OEM_IBM_BOOT_STATE,
266                                   repo);
267     buildAllCodeUpdateEffecterPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
268                                   ENTITY_INSTANCE_0,
269                                   PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE, repo);
270     buildAllCodeUpdateEffecterPDR(this, PLDM_ENTITY_SYSTEM_CHASSIS,
271                                   ENTITY_INSTANCE_1,
272                                   PLDM_OEM_IBM_SYSTEM_POWER_STATE, repo);
273 
274     buildAllCodeUpdateSensorPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
275                                 ENTITY_INSTANCE_0, PLDM_OEM_IBM_BOOT_STATE,
276                                 repo);
277     buildAllCodeUpdateSensorPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
278                                 ENTITY_INSTANCE_1, PLDM_OEM_IBM_BOOT_STATE,
279                                 repo);
280     buildAllCodeUpdateSensorPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
281                                 ENTITY_INSTANCE_0,
282                                 PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE, repo);
283     buildAllCodeUpdateSensorPDR(this, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
284                                 ENTITY_INSTANCE_0,
285                                 PLDM_OEM_IBM_VERIFICATION_STATE, repo);
286     auto sensorId = findStateSensorId(
287         repo.getPdr(), 0, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
288         ENTITY_INSTANCE_0, 1, PLDM_OEM_IBM_VERIFICATION_STATE);
289     codeUpdate->setMarkerLidSensor(sensorId);
290     sensorId = findStateSensorId(
291         repo.getPdr(), 0, PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE,
292         ENTITY_INSTANCE_0, 1, PLDM_OEM_IBM_FIRMWARE_UPDATE_STATE);
293     codeUpdate->setFirmwareUpdateSensor(sensorId);
294 }
295 
296 void pldm::responder::oem_ibm_platform::Handler::setPlatformHandler(
297     pldm::responder::platform::Handler* handler)
298 {
299     platformHandler = handler;
300 }
301 
302 int pldm::responder::oem_ibm_platform::Handler::sendEventToHost(
303     std::vector<uint8_t>& requestMsg, uint8_t instanceId)
304 {
305     if (requestMsg.size())
306     {
307         std::ostringstream tempStream;
308         for (int byte : requestMsg)
309         {
310             tempStream << std::setfill('0') << std::setw(2) << std::hex << byte
311                        << " ";
312         }
313         std::cout << tempStream.str() << std::endl;
314     }
315     auto oemPlatformEventMessageResponseHandler = [](mctp_eid_t /*eid*/,
316                                                      const pldm_msg* response,
317                                                      size_t respMsgLen) {
318         uint8_t completionCode{};
319         uint8_t status{};
320         auto rc = decode_platform_event_message_resp(response, respMsgLen,
321                                                      &completionCode, &status);
322         if (rc || completionCode)
323         {
324             error(
325                 "Failed to decode platform event message response for code update event with response code '{RC}' and completion code '{CC}'",
326                 "RC", rc, "CC", completionCode);
327         }
328     };
329     auto rc = handler->registerRequest(
330         mctp_eid, instanceId, PLDM_PLATFORM, PLDM_PLATFORM_EVENT_MESSAGE,
331         std::move(requestMsg),
332         std::move(oemPlatformEventMessageResponseHandler));
333     if (rc)
334     {
335         error("Failed to send BIOS attribute change event message ");
336     }
337 
338     return rc;
339 }
340 
341 int encodeEventMsg(uint8_t eventType, const std::vector<uint8_t>& eventDataVec,
342                    std::vector<uint8_t>& requestMsg, uint8_t instanceId)
343 {
344     auto request = reinterpret_cast<pldm_msg*>(requestMsg.data());
345 
346     auto rc = encode_platform_event_message_req(
347         instanceId, 1 /*formatVersion*/, TERMINUS_ID /*tId*/, eventType,
348         eventDataVec.data(), eventDataVec.size(), request,
349         eventDataVec.size() + PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES);
350 
351     return rc;
352 }
353 
354 void pldm::responder::oem_ibm_platform::Handler::sendStateSensorEvent(
355     uint16_t sensorId, enum sensor_event_class_states sensorEventClass,
356     uint8_t sensorOffset, uint8_t eventState, uint8_t prevEventState)
357 {
358     std::vector<uint8_t> sensorEventDataVec{};
359     size_t sensorEventSize = PLDM_SENSOR_EVENT_DATA_MIN_LENGTH + 1;
360     sensorEventDataVec.resize(sensorEventSize);
361     auto eventData = reinterpret_cast<struct pldm_sensor_event_data*>(
362         sensorEventDataVec.data());
363     eventData->sensor_id = sensorId;
364     eventData->sensor_event_class_type = sensorEventClass;
365     auto eventClassStart = eventData->event_class;
366     auto eventClass =
367         reinterpret_cast<struct pldm_sensor_event_state_sensor_state*>(
368             eventClassStart);
369     eventClass->sensor_offset = sensorOffset;
370     eventClass->event_state = eventState;
371     eventClass->previous_event_state = prevEventState;
372     auto instanceId = instanceIdDb.next(mctp_eid);
373     std::vector<uint8_t> requestMsg(
374         sizeof(pldm_msg_hdr) + PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES +
375         sensorEventDataVec.size());
376     auto rc = encodeEventMsg(PLDM_SENSOR_EVENT, sensorEventDataVec, requestMsg,
377                              instanceId);
378     if (rc != PLDM_SUCCESS)
379     {
380         error("Failed to encode state sensor event with response code '{RC}'",
381               "RC", rc);
382         instanceIdDb.free(mctp_eid, instanceId);
383         return;
384     }
385     rc = sendEventToHost(requestMsg, instanceId);
386     if (rc != PLDM_SUCCESS)
387     {
388         error(
389             "Failed to send event to remote terminus with response code '{RC}'",
390             "RC", rc);
391     }
392     return;
393 }
394 
395 void pldm::responder::oem_ibm_platform::Handler::_processEndUpdate(
396     sdeventplus::source::EventBase& /*source */)
397 {
398     assembleImageEvent.reset();
399     int retc = codeUpdate->assembleCodeUpdateImage();
400     if (retc != PLDM_SUCCESS)
401     {
402         codeUpdate->setCodeUpdateProgress(false);
403         auto sensorId = codeUpdate->getFirmwareUpdateSensor();
404         sendStateSensorEvent(sensorId, PLDM_STATE_SENSOR_STATE, 0,
405                              uint8_t(CodeUpdateState::FAIL),
406                              uint8_t(CodeUpdateState::START));
407     }
408 }
409 
410 void pldm::responder::oem_ibm_platform::Handler::_processStartUpdate(
411     sdeventplus::source::EventBase& /*source */)
412 {
413     codeUpdate->deleteImage();
414     CodeUpdateState state = CodeUpdateState::START;
415     auto rc = codeUpdate->setRequestedApplyTime();
416     if (rc != PLDM_SUCCESS)
417     {
418         error("setRequestedApplyTime failed");
419         state = CodeUpdateState::FAIL;
420     }
421     auto sensorId = codeUpdate->getFirmwareUpdateSensor();
422     sendStateSensorEvent(sensorId, PLDM_STATE_SENSOR_STATE, 0, uint8_t(state),
423                          uint8_t(CodeUpdateState::END));
424 }
425 
426 void pldm::responder::oem_ibm_platform::Handler::updateOemDbusPaths(
427     std::string& dbusPath)
428 {
429     std::string toFind("system1/chassis1/motherboard1");
430     if (dbusPath.find(toFind) != std::string::npos)
431     {
432         size_t pos = dbusPath.find(toFind);
433         dbusPath.replace(pos, toFind.length(), "system/chassis/motherboard");
434     }
435     toFind = "system1";
436     if (dbusPath.find(toFind) != std::string::npos)
437     {
438         size_t pos = dbusPath.find(toFind);
439         dbusPath.replace(pos, toFind.length(), "system");
440     }
441     /* below logic to replace path 'motherboard/socket/chassis' to
442        'motherboard/chassis' or 'motherboard/socket123/chassis' to
443        'motherboard/chassis' */
444     toFind = "socket";
445     size_t pos1 = dbusPath.find(toFind);
446     // while loop to detect multiple substring 'socket' in the path
447     while (pos1 != std::string::npos)
448     {
449         size_t pos2 = dbusPath.substr(pos1 + 1).find('/') + 1;
450         // Replacing starting from substring to next occurrence of char '/'
451         dbusPath.replace(pos1, pos2 + 1, "");
452         pos1 = dbusPath.find(toFind);
453     }
454 }
455 
456 void pldm::responder::oem_ibm_platform::Handler::_processSystemReboot(
457     sdeventplus::source::EventBase& /*source */)
458 {
459     pldm::utils::PropertyValue value =
460         "xyz.openbmc_project.State.Chassis.Transition.Off";
461     pldm::utils::DBusMapping dbusMapping{"/xyz/openbmc_project/state/chassis0",
462                                          "xyz.openbmc_project.State.Chassis",
463                                          "RequestedPowerTransition", "string"};
464     try
465     {
466         dBusIntf->setDbusProperty(dbusMapping, value);
467     }
468     catch (const std::exception& e)
469     {
470         error(
471             "Failure in chassis State transition to Off, unable to set property RequestedPowerTransition, error - {ERROR}",
472             "ERROR", e);
473     }
474 
475     using namespace sdbusplus::bus::match::rules;
476     chassisOffMatch = std::make_unique<sdbusplus::bus::match_t>(
477         pldm::utils::DBusHandler::getBus(),
478         propertiesChanged("/xyz/openbmc_project/state/chassis0",
479                           "xyz.openbmc_project.State.Chassis"),
480         [this](sdbusplus::message_t& msg) {
481             DbusChangedProps props{};
482             std::string intf;
483             msg.read(intf, props);
484             const auto itr = props.find("CurrentPowerState");
485             if (itr != props.end())
486             {
487                 PropertyValue value = itr->second;
488                 auto propVal = std::get<std::string>(value);
489                 if (propVal ==
490                     "xyz.openbmc_project.State.Chassis.PowerState.Off")
491                 {
492                     pldm::utils::DBusMapping dbusMapping{
493                         "/xyz/openbmc_project/control/host0/"
494                         "power_restore_policy/one_time",
495                         "xyz.openbmc_project.Control.Power.RestorePolicy",
496                         "PowerRestorePolicy", "string"};
497                     value = "xyz.openbmc_project.Control.Power.RestorePolicy."
498                             "Policy.AlwaysOn";
499                     try
500                     {
501                         dBusIntf->setDbusProperty(dbusMapping, value);
502                     }
503                     catch (const std::exception& e)
504                     {
505                         error(
506                             "Failure in setting one-time restore policy, unable to set property PowerRestorePolicy, error - {ERROR}",
507                             "ERROR", e);
508                     }
509                     dbusMapping = pldm::utils::DBusMapping{
510                         "/xyz/openbmc_project/state/bmc0",
511                         "xyz.openbmc_project.State.BMC",
512                         "RequestedBMCTransition", "string"};
513                     value = "xyz.openbmc_project.State.BMC.Transition.Reboot";
514                     try
515                     {
516                         dBusIntf->setDbusProperty(dbusMapping, value);
517                     }
518                     catch (const std::exception& e)
519                     {
520                         error(
521                             "Failure in BMC state transition to reboot, unable to set property RequestedBMCTransition , error - {ERROR}",
522                             "ERROR", e);
523                     }
524                 }
525             }
526         });
527 }
528 
529 void pldm::responder::oem_ibm_platform::Handler::checkAndDisableWatchDog()
530 {
531     if (!hostOff && setEventReceiverCnt == SET_EVENT_RECEIVER_SENT)
532     {
533         disableWatchDogTimer();
534     }
535 
536     return;
537 }
538 
539 bool pldm::responder::oem_ibm_platform::Handler::watchDogRunning()
540 {
541     static constexpr auto watchDogObjectPath =
542         "/xyz/openbmc_project/watchdog/host0";
543     static constexpr auto watchDogEnablePropName = "Enabled";
544     static constexpr auto watchDogInterface =
545         "xyz.openbmc_project.State.Watchdog";
546     bool isWatchDogRunning = false;
547     try
548     {
549         isWatchDogRunning = pldm::utils::DBusHandler().getDbusProperty<bool>(
550             watchDogObjectPath, watchDogEnablePropName, watchDogInterface);
551     }
552     catch (const std::exception&)
553     {
554         return false;
555     }
556     return isWatchDogRunning;
557 }
558 
559 void pldm::responder::oem_ibm_platform::Handler::resetWatchDogTimer()
560 {
561     static constexpr auto watchDogService = "xyz.openbmc_project.Watchdog";
562     static constexpr auto watchDogObjectPath =
563         "/xyz/openbmc_project/watchdog/host0";
564     static constexpr auto watchDogInterface =
565         "xyz.openbmc_project.State.Watchdog";
566     static constexpr auto watchDogResetPropName = "ResetTimeRemaining";
567 
568     bool wdStatus = watchDogRunning();
569     if (wdStatus == false)
570     {
571         return;
572     }
573     try
574     {
575         auto& bus = pldm::utils::DBusHandler::getBus();
576         auto resetMethod =
577             bus.new_method_call(watchDogService, watchDogObjectPath,
578                                 watchDogInterface, watchDogResetPropName);
579         resetMethod.append(true);
580         bus.call_noreply(resetMethod, dbusTimeout);
581     }
582     catch (const std::exception& e)
583     {
584         error("Failed to reset watchdog timer, error - {ERROR}", "ERROR", e);
585         return;
586     }
587 }
588 
589 void pldm::responder::oem_ibm_platform::Handler::disableWatchDogTimer()
590 {
591     setEventReceiverCnt = 0;
592     pldm::utils::DBusMapping dbusMapping{
593         "/xyz/openbmc_project/watchdog/host0",
594         "xyz.openbmc_project.State.Watchdog", "Enabled", "bool"};
595     bool wdStatus = watchDogRunning();
596 
597     if (!wdStatus)
598     {
599         return;
600     }
601     try
602     {
603         pldm::utils::DBusHandler().setDbusProperty(dbusMapping, false);
604     }
605     catch (const std::exception& e)
606     {
607         error("Failed to disable watchdog timer, error - {ERROR}", "ERROR", e);
608     }
609 }
610 int pldm::responder::oem_ibm_platform::Handler::checkBMCState()
611 {
612     using BMC = sdbusplus::client::xyz::openbmc_project::state::BMC<>;
613     auto bmcPath = sdbusplus::message::object_path(BMC::namespace_path::value) /
614                    BMC::namespace_path::bmc;
615     try
616     {
617         pldm::utils::PropertyValue propertyValue =
618             pldm::utils::DBusHandler().getDbusPropertyVariant(
619                 bmcPath.str.c_str(), "CurrentBMCState", BMC::interface);
620 
621         if (std::get<std::string>(propertyValue) ==
622             "xyz.openbmc_project.State.BMC.BMCState.NotReady")
623         {
624             error("GetPDR : PLDM stack is not ready for PDR exchange");
625             return PLDM_ERROR_NOT_READY;
626         }
627     }
628     catch (const std::exception& e)
629     {
630         error("Error getting the current BMC state, error - {ERROR}", "ERROR",
631               e);
632         return PLDM_ERROR;
633     }
634     return PLDM_SUCCESS;
635 }
636 
637 const pldm_pdr_record*
638     pldm::responder::oem_ibm_platform::Handler::fetchLastBMCRecord(
639         const pldm_pdr* repo)
640 {
641     return pldm_pdr_find_last_in_range(repo, BMC_PDR_START_RANGE,
642                                        BMC_PDR_END_RANGE);
643 }
644 
645 bool pldm::responder::oem_ibm_platform::Handler::checkRecordHandleInRange(
646     const uint32_t& record_handle)
647 {
648     return record_handle >= HOST_PDR_START_RANGE &&
649            record_handle <= HOST_PDR_END_RANGE;
650 }
651 
652 void Handler::processSetEventReceiver()
653 {
654     this->setEventReceiver();
655 }
656 
657 void pldm::responder::oem_ibm_platform::Handler::startStopTimer(bool value)
658 {
659     if (value)
660     {
661         timer.restart(
662             std::chrono::seconds(HEARTBEAT_TIMEOUT + HEARTBEAT_TIMEOUT_DELTA));
663     }
664     else
665     {
666         timer.setEnabled(value);
667     }
668 }
669 
670 void pldm::responder::oem_ibm_platform::Handler::setSurvTimer(uint8_t tid,
671                                                               bool value)
672 {
673     if ((hostOff || hostTransitioningToOff || (tid != HYPERVISOR_TID)) &&
674         timer.isEnabled())
675     {
676         startStopTimer(false);
677         return;
678     }
679     if (value)
680     {
681         startStopTimer(value);
682     }
683     else if (timer.isEnabled())
684     {
685         info(
686             "Failed to stop surveillance timer while remote terminus status is ‘{HOST_TRANST_OFF}’ with Terminus ID ‘{TID}’ ",
687             "HOST_TRANST_OFF", hostTransitioningToOff, "TID", tid);
688         startStopTimer(value);
689         pldm::utils::reportError(
690             "xyz.openbmc_project.PLDM.Error.setSurvTimer.RecvSurveillancePingFail");
691     }
692 }
693 
694 } // namespace oem_ibm_platform
695 } // namespace responder
696 } // namespace pldm
697