1 /*
2 // Copyright (c) 2018-2019 Intel Corporation
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 */
16 #include "power_control.hpp"
17
18 #include <sys/sysinfo.h>
19 #include <systemd/sd-journal.h>
20
21 #include <boost/asio/io_context.hpp>
22 #include <boost/asio/posix/stream_descriptor.hpp>
23 #include <boost/asio/steady_timer.hpp>
24 #include <boost/container/flat_map.hpp>
25 #include <boost/container/flat_set.hpp>
26 #include <gpiod.hpp>
27 #include <nlohmann/json.hpp>
28 #include <phosphor-logging/lg2.hpp>
29 #include <sdbusplus/asio/object_server.hpp>
30
31 #include <filesystem>
32 #include <fstream>
33 #include <optional>
34 #include <regex>
35 #include <string_view>
36
37 namespace power_control
38 {
39 static boost::asio::io_context io;
40 std::shared_ptr<sdbusplus::asio::connection> conn;
41 PersistentState appState;
42 PowerRestoreController powerRestore(io);
43
44 static std::string node = "0";
45 static const std::string appName = "power-control";
46
47 enum class DbusConfigType
48 {
49 name = 1,
50 path,
51 interface,
52 property
53 };
54
55 // Mandatory config parameters for dbus inputs
56 boost::container::flat_map<DbusConfigType, std::string> dbusParams = {
57 {DbusConfigType::name, "DbusName"},
58 {DbusConfigType::path, "Path"},
59 {DbusConfigType::interface, "Interface"},
60 {DbusConfigType::property, "Property"}};
61
62 enum class ConfigType
63 {
64 GPIO = 1,
65 DBUS
66 };
67
68 struct ConfigData
69 {
70 std::string name;
71 std::string lineName;
72 std::string dbusName;
73 std::string path;
74 std::string interface;
75 std::optional<std::regex> matchRegex;
76 bool polarity;
77 ConfigType type;
78 };
79
80 static ConfigData powerOutConfig;
81 static ConfigData powerOkConfig;
82 static ConfigData resetOutConfig;
83 static ConfigData nmiOutConfig;
84 static ConfigData sioPwrGoodConfig;
85 static ConfigData sioOnControlConfig;
86 static ConfigData sioS5Config;
87 static ConfigData postCompleteConfig;
88 static ConfigData powerButtonConfig;
89 static ConfigData resetButtonConfig;
90 static ConfigData idButtonConfig;
91 static ConfigData nmiButtonConfig;
92 static ConfigData slotPowerConfig;
93 static ConfigData hpmStbyEnConfig;
94
95 // map for storing list of gpio parameters whose config are to be read from x86
96 // power control json config
97 boost::container::flat_map<std::string, ConfigData*> powerSignalMap = {
98 {"PowerOut", &powerOutConfig},
99 {"PowerOk", &powerOkConfig},
100 {"ResetOut", &resetOutConfig},
101 {"NMIOut", &nmiOutConfig},
102 {"SioPowerGood", &sioPwrGoodConfig},
103 {"SioOnControl", &sioOnControlConfig},
104 {"SIOS5", &sioS5Config},
105 {"PostComplete", &postCompleteConfig},
106 {"PowerButton", &powerButtonConfig},
107 {"ResetButton", &resetButtonConfig},
108 {"IdButton", &idButtonConfig},
109 {"NMIButton", &nmiButtonConfig},
110 {"SlotPower", &slotPowerConfig},
111 {"HpmStbyEn", &hpmStbyEnConfig}};
112
113 static std::string hostDbusName = "xyz.openbmc_project.State.Host";
114 static std::string chassisDbusName = "xyz.openbmc_project.State.Chassis";
115 static std::string osDbusName = "xyz.openbmc_project.State.OperatingSystem";
116 static std::string buttonDbusName = "xyz.openbmc_project.Chassis.Buttons";
117 static std::string nmiDbusName = "xyz.openbmc_project.Control.Host.NMI";
118 static std::string rstCauseDbusName =
119 "xyz.openbmc_project.Control.Host.RestartCause";
120 static std::shared_ptr<sdbusplus::asio::dbus_interface> hostIface;
121 static std::shared_ptr<sdbusplus::asio::dbus_interface> chassisIface;
122 #ifdef CHASSIS_SYSTEM_RESET
123 static std::shared_ptr<sdbusplus::asio::dbus_interface> chassisSysIface;
124 static std::shared_ptr<sdbusplus::asio::dbus_interface> chassisSlotIface;
125 #endif
126 static std::shared_ptr<sdbusplus::asio::dbus_interface> powerButtonIface;
127 static std::shared_ptr<sdbusplus::asio::dbus_interface> resetButtonIface;
128 static std::shared_ptr<sdbusplus::asio::dbus_interface> nmiButtonIface;
129 static std::shared_ptr<sdbusplus::asio::dbus_interface> osIface;
130 static std::shared_ptr<sdbusplus::asio::dbus_interface> idButtonIface;
131 static std::shared_ptr<sdbusplus::asio::dbus_interface> nmiOutIface;
132 static std::shared_ptr<sdbusplus::asio::dbus_interface> restartCauseIface;
133
134 static gpiod::line powerButtonMask;
135 static gpiod::line resetButtonMask;
136 static bool nmiButtonMasked = false;
137 #if IGNORE_SOFT_RESETS_DURING_POST
138 static bool ignoreNextSoftReset = false;
139 #endif
140
141 // This map contains all timer values that are to be read from json config
142 boost::container::flat_map<std::string, int> TimerMap = {
143 {"PowerPulseMs", 200},
144 {"ForceOffPulseMs", 15000},
145 {"ResetPulseMs", 500},
146 {"PowerCycleMs", 5000},
147 {"SioPowerGoodWatchdogMs", 1000},
148 {"PsPowerOKWatchdogMs", 8000},
149 {"GracefulPowerOffS", (5 * 60)},
150 {"WarmResetCheckMs", 500},
151 {"PowerOffSaveMs", 7000},
152 {"SlotPowerCycleMs", 200},
153 {"DbusGetPropertyRetry", 1000}};
154
155 static bool nmiEnabled = true;
156 static bool nmiWhenPoweredOff = true;
157 static bool sioEnabled = true;
158
159 // Timers
160 // Time holding GPIOs asserted
161 static boost::asio::steady_timer gpioAssertTimer(io);
162 // Time between off and on during a power cycle
163 static boost::asio::steady_timer powerCycleTimer(io);
164 // Time OS gracefully powering off
165 static boost::asio::steady_timer gracefulPowerOffTimer(io);
166 // Time the warm reset check
167 static boost::asio::steady_timer warmResetCheckTimer(io);
168 // Time power supply power OK assertion on power-on
169 static boost::asio::steady_timer psPowerOKWatchdogTimer(io);
170 // Time SIO power good assertion on power-on
171 static boost::asio::steady_timer sioPowerGoodWatchdogTimer(io);
172 // Time power-off state save for power loss tracking
173 static boost::asio::steady_timer powerStateSaveTimer(io);
174 // POH timer
175 static boost::asio::steady_timer pohCounterTimer(io);
176 // Time when to allow restart cause updates
177 static boost::asio::steady_timer restartCauseTimer(io);
178 static boost::asio::steady_timer slotPowerCycleTimer(io);
179
180 // Map containing timers used for D-Bus get-property retries
181 static boost::container::flat_map<std::string, boost::asio::steady_timer>
182 dBusRetryTimers;
183
184 // GPIO Lines and Event Descriptors
185 static gpiod::line psPowerOKLine;
186 static boost::asio::posix::stream_descriptor psPowerOKEvent(io);
187 static gpiod::line sioPowerGoodLine;
188 static boost::asio::posix::stream_descriptor sioPowerGoodEvent(io);
189 static gpiod::line sioOnControlLine;
190 static boost::asio::posix::stream_descriptor sioOnControlEvent(io);
191 static gpiod::line sioS5Line;
192 static boost::asio::posix::stream_descriptor sioS5Event(io);
193 static gpiod::line powerButtonLine;
194 static boost::asio::posix::stream_descriptor powerButtonEvent(io);
195 static gpiod::line resetButtonLine;
196 static boost::asio::posix::stream_descriptor resetButtonEvent(io);
197 static gpiod::line nmiButtonLine;
198 static boost::asio::posix::stream_descriptor nmiButtonEvent(io);
199 static gpiod::line idButtonLine;
200 static boost::asio::posix::stream_descriptor idButtonEvent(io);
201 static gpiod::line postCompleteLine;
202 static boost::asio::posix::stream_descriptor postCompleteEvent(io);
203 static gpiod::line nmiOutLine;
204 static gpiod::line slotPowerLine;
205
206 static constexpr uint8_t beepPowerFail = 8;
207
beep(const uint8_t & beepPriority)208 static void beep(const uint8_t& beepPriority)
209 {
210 lg2::info("Beep with priority: {BEEP_PRIORITY}", "BEEP_PRIORITY",
211 beepPriority);
212
213 conn->async_method_call(
214 [](boost::system::error_code ec) {
215 if (ec)
216 {
217 lg2::error(
218 "beep returned error with async_method_call (ec = {ERROR_MSG})",
219 "ERROR_MSG", ec.message());
220 return;
221 }
222 },
223 "xyz.openbmc_project.BeepCode", "/xyz/openbmc_project/BeepCode",
224 "xyz.openbmc_project.BeepCode", "Beep", uint8_t(beepPriority));
225 }
226
227 enum class OperatingSystemStateStage
228 {
229 Inactive,
230 Standby,
231 };
232 static OperatingSystemStateStage operatingSystemState;
233 static constexpr std::string_view
getOperatingSystemStateStage(const OperatingSystemStateStage stage)234 getOperatingSystemStateStage(const OperatingSystemStateStage stage)
235 {
236 switch (stage)
237 {
238 case OperatingSystemStateStage::Inactive:
239 return "xyz.openbmc_project.State.OperatingSystem.Status.OSStatus.Inactive";
240 break;
241 case OperatingSystemStateStage::Standby:
242 return "xyz.openbmc_project.State.OperatingSystem.Status.OSStatus.Standby";
243 break;
244 default:
245 return "xyz.openbmc_project.State.OperatingSystem.Status.OSStatus.Inactive";
246 break;
247 }
248 };
setOperatingSystemState(const OperatingSystemStateStage stage)249 static void setOperatingSystemState(const OperatingSystemStateStage stage)
250 {
251 operatingSystemState = stage;
252 #if IGNORE_SOFT_RESETS_DURING_POST
253 // If POST complete has asserted set ignoreNextSoftReset to false to avoid
254 // masking soft resets after POST
255 if (operatingSystemState == OperatingSystemStateStage::Standby)
256 {
257 ignoreNextSoftReset = false;
258 }
259 #endif
260 osIface->set_property("OperatingSystemState",
261 std::string(getOperatingSystemStateStage(stage)));
262
263 lg2::info("Moving os state to {STATE} stage", "STATE",
264 getOperatingSystemStateStage(stage));
265 }
266
267 enum class PowerState
268 {
269 on,
270 waitForPSPowerOK,
271 waitForSIOPowerGood,
272 off,
273 transitionToOff,
274 gracefulTransitionToOff,
275 cycleOff,
276 transitionToCycleOff,
277 gracefulTransitionToCycleOff,
278 checkForWarmReset,
279 };
280 static PowerState powerState;
getPowerStateName(PowerState state)281 static std::string getPowerStateName(PowerState state)
282 {
283 switch (state)
284 {
285 case PowerState::on:
286 return "On";
287 break;
288 case PowerState::waitForPSPowerOK:
289 return "Wait for Power Supply Power OK";
290 break;
291 case PowerState::waitForSIOPowerGood:
292 return "Wait for SIO Power Good";
293 break;
294 case PowerState::off:
295 return "Off";
296 break;
297 case PowerState::transitionToOff:
298 return "Transition to Off";
299 break;
300 case PowerState::gracefulTransitionToOff:
301 return "Graceful Transition to Off";
302 break;
303 case PowerState::cycleOff:
304 return "Power Cycle Off";
305 break;
306 case PowerState::transitionToCycleOff:
307 return "Transition to Power Cycle Off";
308 break;
309 case PowerState::gracefulTransitionToCycleOff:
310 return "Graceful Transition to Power Cycle Off";
311 break;
312 case PowerState::checkForWarmReset:
313 return "Check for Warm Reset";
314 break;
315 default:
316 return "unknown state: " + std::to_string(static_cast<int>(state));
317 break;
318 }
319 }
logStateTransition(const PowerState state)320 static void logStateTransition(const PowerState state)
321 {
322 lg2::info("Host{HOST}: Moving to \"{STATE}\" state", "HOST", node, "STATE",
323 getPowerStateName(state));
324 }
325
326 enum class Event
327 {
328 psPowerOKAssert,
329 psPowerOKDeAssert,
330 sioPowerGoodAssert,
331 sioPowerGoodDeAssert,
332 sioS5Assert,
333 sioS5DeAssert,
334 pltRstAssert,
335 pltRstDeAssert,
336 postCompleteAssert,
337 postCompleteDeAssert,
338 powerButtonPressed,
339 resetButtonPressed,
340 powerCycleTimerExpired,
341 psPowerOKWatchdogTimerExpired,
342 sioPowerGoodWatchdogTimerExpired,
343 gracefulPowerOffTimerExpired,
344 powerOnRequest,
345 powerOffRequest,
346 powerCycleRequest,
347 resetRequest,
348 gracefulPowerOffRequest,
349 gracefulPowerCycleRequest,
350 warmResetDetected,
351 };
getEventName(Event event)352 static std::string getEventName(Event event)
353 {
354 switch (event)
355 {
356 case Event::psPowerOKAssert:
357 return "power supply power OK assert";
358 break;
359 case Event::psPowerOKDeAssert:
360 return "power supply power OK de-assert";
361 break;
362 case Event::sioPowerGoodAssert:
363 return "SIO power good assert";
364 break;
365 case Event::sioPowerGoodDeAssert:
366 return "SIO power good de-assert";
367 break;
368 case Event::sioS5Assert:
369 return "SIO S5 assert";
370 break;
371 case Event::sioS5DeAssert:
372 return "SIO S5 de-assert";
373 break;
374 case Event::pltRstAssert:
375 return "PLT_RST assert";
376 break;
377 case Event::pltRstDeAssert:
378 return "PLT_RST de-assert";
379 break;
380 case Event::postCompleteAssert:
381 return "POST Complete assert";
382 break;
383 case Event::postCompleteDeAssert:
384 return "POST Complete de-assert";
385 break;
386 case Event::powerButtonPressed:
387 return "power button pressed";
388 break;
389 case Event::resetButtonPressed:
390 return "reset button pressed";
391 break;
392 case Event::powerCycleTimerExpired:
393 return "power cycle timer expired";
394 break;
395 case Event::psPowerOKWatchdogTimerExpired:
396 return "power supply power OK watchdog timer expired";
397 break;
398 case Event::sioPowerGoodWatchdogTimerExpired:
399 return "SIO power good watchdog timer expired";
400 break;
401 case Event::gracefulPowerOffTimerExpired:
402 return "graceful power-off timer expired";
403 break;
404 case Event::powerOnRequest:
405 return "power-on request";
406 break;
407 case Event::powerOffRequest:
408 return "power-off request";
409 break;
410 case Event::powerCycleRequest:
411 return "power-cycle request";
412 break;
413 case Event::resetRequest:
414 return "reset request";
415 break;
416 case Event::gracefulPowerOffRequest:
417 return "graceful power-off request";
418 break;
419 case Event::gracefulPowerCycleRequest:
420 return "graceful power-cycle request";
421 break;
422 case Event::warmResetDetected:
423 return "warm reset detected";
424 break;
425 default:
426 return "unknown event: " + std::to_string(static_cast<int>(event));
427 break;
428 }
429 }
logEvent(const std::string_view stateHandler,const Event event)430 static void logEvent(const std::string_view stateHandler, const Event event)
431 {
432 lg2::info("{STATE_HANDLER}: {EVENT} event received", "STATE_HANDLER",
433 stateHandler, "EVENT", getEventName(event));
434 }
435
436 // Power state handlers
437 static void powerStateOn(const Event event);
438 static void powerStateWaitForPSPowerOK(const Event event);
439 static void powerStateWaitForSIOPowerGood(const Event event);
440 static void powerStateOff(const Event event);
441 static void powerStateTransitionToOff(const Event event);
442 static void powerStateGracefulTransitionToOff(const Event event);
443 static void powerStateCycleOff(const Event event);
444 static void powerStateTransitionToCycleOff(const Event event);
445 static void powerStateGracefulTransitionToCycleOff(const Event event);
446 static void powerStateCheckForWarmReset(const Event event);
447
getPowerStateHandler(PowerState state)448 static std::function<void(const Event)> getPowerStateHandler(PowerState state)
449 {
450 switch (state)
451 {
452 case PowerState::on:
453 return powerStateOn;
454 break;
455 case PowerState::waitForPSPowerOK:
456 return powerStateWaitForPSPowerOK;
457 break;
458 case PowerState::waitForSIOPowerGood:
459 return powerStateWaitForSIOPowerGood;
460 break;
461 case PowerState::off:
462 return powerStateOff;
463 break;
464 case PowerState::transitionToOff:
465 return powerStateTransitionToOff;
466 break;
467 case PowerState::gracefulTransitionToOff:
468 return powerStateGracefulTransitionToOff;
469 break;
470 case PowerState::cycleOff:
471 return powerStateCycleOff;
472 break;
473 case PowerState::transitionToCycleOff:
474 return powerStateTransitionToCycleOff;
475 break;
476 case PowerState::gracefulTransitionToCycleOff:
477 return powerStateGracefulTransitionToCycleOff;
478 break;
479 case PowerState::checkForWarmReset:
480 return powerStateCheckForWarmReset;
481 break;
482 default:
483 return nullptr;
484 break;
485 }
486 };
487
sendPowerControlEvent(const Event event)488 static void sendPowerControlEvent(const Event event)
489 {
490 std::function<void(const Event)> handler = getPowerStateHandler(powerState);
491 if (handler == nullptr)
492 {
493 lg2::error("Failed to find handler for power state: {STATE}", "STATE",
494 static_cast<int>(powerState));
495 return;
496 }
497 handler(event);
498 }
499
getCurrentTimeMs()500 static uint64_t getCurrentTimeMs()
501 {
502 struct timespec time = {};
503
504 if (clock_gettime(CLOCK_REALTIME, &time) < 0)
505 {
506 return 0;
507 }
508 uint64_t currentTimeMs = static_cast<uint64_t>(time.tv_sec) * 1000;
509 currentTimeMs += static_cast<uint64_t>(time.tv_nsec) / 1000 / 1000;
510
511 return currentTimeMs;
512 }
513
getHostState(const PowerState state)514 static constexpr std::string_view getHostState(const PowerState state)
515 {
516 switch (state)
517 {
518 case PowerState::on:
519 case PowerState::gracefulTransitionToOff:
520 case PowerState::gracefulTransitionToCycleOff:
521 return "xyz.openbmc_project.State.Host.HostState.Running";
522 break;
523 case PowerState::waitForPSPowerOK:
524 case PowerState::waitForSIOPowerGood:
525 case PowerState::off:
526 case PowerState::transitionToOff:
527 case PowerState::transitionToCycleOff:
528 case PowerState::cycleOff:
529 case PowerState::checkForWarmReset:
530 return "xyz.openbmc_project.State.Host.HostState.Off";
531 break;
532 default:
533 return "";
534 break;
535 }
536 };
getChassisState(const PowerState state)537 static constexpr std::string_view getChassisState(const PowerState state)
538 {
539 switch (state)
540 {
541 case PowerState::on:
542 case PowerState::transitionToOff:
543 case PowerState::gracefulTransitionToOff:
544 case PowerState::transitionToCycleOff:
545 case PowerState::gracefulTransitionToCycleOff:
546 case PowerState::checkForWarmReset:
547 return "xyz.openbmc_project.State.Chassis.PowerState.On";
548 break;
549 case PowerState::waitForPSPowerOK:
550 case PowerState::waitForSIOPowerGood:
551 case PowerState::off:
552 case PowerState::cycleOff:
553 return "xyz.openbmc_project.State.Chassis.PowerState.Off";
554 break;
555 default:
556 return "";
557 break;
558 }
559 };
560 #ifdef CHASSIS_SYSTEM_RESET
561 enum class SlotPowerState
562 {
563 on,
564 off,
565 };
566 static SlotPowerState slotPowerState;
getSlotState(const SlotPowerState state)567 static constexpr std::string_view getSlotState(const SlotPowerState state)
568 {
569 switch (state)
570 {
571 case SlotPowerState::on:
572 return "xyz.openbmc_project.State.Chassis.PowerState.On";
573 break;
574 case SlotPowerState::off:
575 return "xyz.openbmc_project.State.Chassis.PowerState.Off";
576 break;
577 default:
578 return "";
579 break;
580 }
581 };
setSlotPowerState(const SlotPowerState state)582 static void setSlotPowerState(const SlotPowerState state)
583 {
584 slotPowerState = state;
585 chassisSlotIface->set_property("CurrentPowerState",
586 std::string(getSlotState(slotPowerState)));
587 chassisSlotIface->set_property("LastStateChangeTime", getCurrentTimeMs());
588 }
589 #endif
savePowerState(const PowerState state)590 static void savePowerState(const PowerState state)
591 {
592 powerStateSaveTimer.expires_after(
593 std::chrono::milliseconds(TimerMap["PowerOffSaveMs"]));
594 powerStateSaveTimer.async_wait([state](const boost::system::error_code ec) {
595 if (ec)
596 {
597 // operation_aborted is expected if timer is canceled before
598 // completion.
599 if (ec != boost::asio::error::operation_aborted)
600 {
601 lg2::error("Power-state save async_wait failed: {ERROR_MSG}",
602 "ERROR_MSG", ec.message());
603 }
604 return;
605 }
606 appState.set(PersistentState::Params::PowerState,
607 std::string{getChassisState(state)});
608 });
609 }
setPowerState(const PowerState state)610 static void setPowerState(const PowerState state)
611 {
612 powerState = state;
613 logStateTransition(state);
614
615 hostIface->set_property("CurrentHostState",
616 std::string(getHostState(powerState)));
617
618 chassisIface->set_property("CurrentPowerState",
619 std::string(getChassisState(powerState)));
620 chassisIface->set_property("LastStateChangeTime", getCurrentTimeMs());
621
622 // Save the power state for the restore policy
623 savePowerState(state);
624 }
625
626 enum class RestartCause
627 {
628 command,
629 resetButton,
630 powerButton,
631 watchdog,
632 powerPolicyOn,
633 powerPolicyRestore,
634 softReset,
635 };
636 static boost::container::flat_set<RestartCause> causeSet;
getRestartCause(RestartCause cause)637 static std::string getRestartCause(RestartCause cause)
638 {
639 switch (cause)
640 {
641 case RestartCause::command:
642 return "xyz.openbmc_project.State.Host.RestartCause.IpmiCommand";
643 break;
644 case RestartCause::resetButton:
645 return "xyz.openbmc_project.State.Host.RestartCause.ResetButton";
646 break;
647 case RestartCause::powerButton:
648 return "xyz.openbmc_project.State.Host.RestartCause.PowerButton";
649 break;
650 case RestartCause::watchdog:
651 return "xyz.openbmc_project.State.Host.RestartCause.WatchdogTimer";
652 break;
653 case RestartCause::powerPolicyOn:
654 return "xyz.openbmc_project.State.Host.RestartCause.PowerPolicyAlwaysOn";
655 break;
656 case RestartCause::powerPolicyRestore:
657 return "xyz.openbmc_project.State.Host.RestartCause.PowerPolicyPreviousState";
658 break;
659 case RestartCause::softReset:
660 return "xyz.openbmc_project.State.Host.RestartCause.SoftReset";
661 break;
662 default:
663 return "xyz.openbmc_project.State.Host.RestartCause.Unknown";
664 break;
665 }
666 }
addRestartCause(const RestartCause cause)667 static void addRestartCause(const RestartCause cause)
668 {
669 // Add this to the set of causes for this restart
670 causeSet.insert(cause);
671 }
clearRestartCause()672 static void clearRestartCause()
673 {
674 // Clear the set for the next restart
675 causeSet.clear();
676 }
setRestartCauseProperty(const std::string & cause)677 static void setRestartCauseProperty(const std::string& cause)
678 {
679 lg2::info("RestartCause set to {RESTART_CAUSE}", "RESTART_CAUSE", cause);
680 restartCauseIface->set_property("RestartCause", cause);
681 }
682
683 #ifdef USE_ACBOOT
resetACBootProperty()684 static void resetACBootProperty()
685 {
686 if ((causeSet.contains(RestartCause::command)) ||
687 (causeSet.contains(RestartCause::softReset)))
688 {
689 conn->async_method_call(
690 [](boost::system::error_code ec) {
691 if (ec)
692 {
693 lg2::error("failed to reset ACBoot property");
694 }
695 },
696 "xyz.openbmc_project.Settings",
697 "/xyz/openbmc_project/control/host0/ac_boot",
698 "org.freedesktop.DBus.Properties", "Set",
699 "xyz.openbmc_project.Common.ACBoot", "ACBoot",
700 std::variant<std::string>{"False"});
701 }
702 }
703 #endif // USE_ACBOOT
704
setRestartCause()705 static void setRestartCause()
706 {
707 // Determine the actual restart cause based on the set of causes
708 std::string restartCause =
709 "xyz.openbmc_project.State.Host.RestartCause.Unknown";
710 if (causeSet.contains(RestartCause::watchdog))
711 {
712 restartCause = getRestartCause(RestartCause::watchdog);
713 }
714 else if (causeSet.contains(RestartCause::command))
715 {
716 restartCause = getRestartCause(RestartCause::command);
717 }
718 else if (causeSet.contains(RestartCause::resetButton))
719 {
720 restartCause = getRestartCause(RestartCause::resetButton);
721 }
722 else if (causeSet.contains(RestartCause::powerButton))
723 {
724 restartCause = getRestartCause(RestartCause::powerButton);
725 }
726 else if (causeSet.contains(RestartCause::powerPolicyOn))
727 {
728 restartCause = getRestartCause(RestartCause::powerPolicyOn);
729 }
730 else if (causeSet.contains(RestartCause::powerPolicyRestore))
731 {
732 restartCause = getRestartCause(RestartCause::powerPolicyRestore);
733 }
734 else if (causeSet.contains(RestartCause::softReset))
735 {
736 #if IGNORE_SOFT_RESETS_DURING_POST
737 if (ignoreNextSoftReset)
738 {
739 ignoreNextSoftReset = false;
740 return;
741 }
742 #endif
743 restartCause = getRestartCause(RestartCause::softReset);
744 }
745
746 setRestartCauseProperty(restartCause);
747 }
748
systemPowerGoodFailedLog()749 static void systemPowerGoodFailedLog()
750 {
751 sd_journal_send(
752 "MESSAGE=PowerControl: system power good failed to assert (VR failure)",
753 "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s",
754 "OpenBMC.0.1.SystemPowerGoodFailed", "REDFISH_MESSAGE_ARGS=%d",
755 TimerMap["SioPowerGoodWatchdogMs"], NULL);
756 }
757
psPowerOKFailedLog()758 static void psPowerOKFailedLog()
759 {
760 sd_journal_send(
761 "MESSAGE=PowerControl: power supply power good failed to assert",
762 "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s",
763 "OpenBMC.0.1.PowerSupplyPowerGoodFailed", "REDFISH_MESSAGE_ARGS=%d",
764 TimerMap["PsPowerOKWatchdogMs"], NULL);
765 }
766
powerRestorePolicyLog()767 static void powerRestorePolicyLog()
768 {
769 sd_journal_send("MESSAGE=PowerControl: power restore policy applied",
770 "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s",
771 "OpenBMC.0.1.PowerRestorePolicyApplied", NULL);
772 }
773
powerButtonPressLog()774 static void powerButtonPressLog()
775 {
776 sd_journal_send("MESSAGE=PowerControl: power button pressed", "PRIORITY=%i",
777 LOG_INFO, "REDFISH_MESSAGE_ID=%s",
778 "OpenBMC.0.1.PowerButtonPressed", NULL);
779 }
780
resetButtonPressLog()781 static void resetButtonPressLog()
782 {
783 sd_journal_send("MESSAGE=PowerControl: reset button pressed", "PRIORITY=%i",
784 LOG_INFO, "REDFISH_MESSAGE_ID=%s",
785 "OpenBMC.0.1.ResetButtonPressed", NULL);
786 }
787
nmiButtonPressLog()788 static void nmiButtonPressLog()
789 {
790 sd_journal_send("MESSAGE=PowerControl: NMI button pressed", "PRIORITY=%i",
791 LOG_INFO, "REDFISH_MESSAGE_ID=%s",
792 "OpenBMC.0.1.NMIButtonPressed", NULL);
793 }
794
nmiDiagIntLog()795 static void nmiDiagIntLog()
796 {
797 sd_journal_send("MESSAGE=PowerControl: NMI Diagnostic Interrupt",
798 "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s",
799 "OpenBMC.0.1.NMIDiagnosticInterrupt", NULL);
800 }
801
PersistentState()802 PersistentState::PersistentState()
803 {
804 // create the power control directory if it doesn't exist
805 std::error_code ec;
806 if (!(std::filesystem::create_directories(powerControlDir, ec)))
807 {
808 if (ec.value() != 0)
809 {
810 lg2::error("failed to create {DIR_NAME}: {ERROR_MSG}", "DIR_NAME",
811 powerControlDir.string(), "ERROR_MSG", ec.message());
812 throw std::runtime_error("Failed to create state directory");
813 }
814 }
815
816 // read saved state, it's ok, if the file doesn't exists
817 std::ifstream appStateStream(powerControlDir / stateFile);
818 if (!appStateStream.is_open())
819 {
820 lg2::info("Cannot open state file \'{PATH}\'", "PATH",
821 std::string(powerControlDir / stateFile));
822 stateData = nlohmann::json({});
823 return;
824 }
825 try
826 {
827 appStateStream >> stateData;
828 if (stateData.is_discarded())
829 {
830 lg2::info("Cannot parse state file \'{PATH}\'", "PATH",
831 std::string(powerControlDir / stateFile));
832 stateData = nlohmann::json({});
833 return;
834 }
835 }
836 catch (const std::exception& ex)
837 {
838 lg2::info("Cannot read state file \'{PATH}\'", "PATH",
839 std::string(powerControlDir / stateFile));
840 stateData = nlohmann::json({});
841 return;
842 }
843 }
~PersistentState()844 PersistentState::~PersistentState()
845 {
846 saveState();
847 }
get(Params parameter)848 const std::string PersistentState::get(Params parameter)
849 {
850 auto val = stateData.find(getName(parameter));
851 if (val != stateData.end())
852 {
853 return val->get<std::string>();
854 }
855 return getDefault(parameter);
856 }
set(Params parameter,const std::string & value)857 void PersistentState::set(Params parameter, const std::string& value)
858 {
859 stateData[getName(parameter)] = value;
860 saveState();
861 }
862
getName(const Params parameter)863 const std::string PersistentState::getName(const Params parameter)
864 {
865 switch (parameter)
866 {
867 case Params::PowerState:
868 return "PowerState";
869 }
870 return "";
871 }
getDefault(const Params parameter)872 const std::string PersistentState::getDefault(const Params parameter)
873 {
874 switch (parameter)
875 {
876 case Params::PowerState:
877 return "xyz.openbmc_project.State.Chassis.PowerState.Off";
878 }
879 return "";
880 }
saveState()881 void PersistentState::saveState()
882 {
883 std::ofstream appStateStream(powerControlDir / stateFile, std::ios::trunc);
884 if (!appStateStream.is_open())
885 {
886 lg2::error("Cannot write state file \'{PATH}\'", "PATH",
887 std::string(powerControlDir / stateFile));
888 return;
889 }
890 appStateStream << stateData.dump(indentationSize);
891 }
892
893 static constexpr const char* setingsService = "xyz.openbmc_project.Settings";
894 static constexpr const char* powerRestorePolicyIface =
895 "xyz.openbmc_project.Control.Power.RestorePolicy";
896 #ifdef USE_ACBOOT
897 static constexpr const char* powerACBootObject =
898 "/xyz/openbmc_project/control/host0/ac_boot";
899 static constexpr const char* powerACBootIface =
900 "xyz.openbmc_project.Common.ACBoot";
901 #endif // USE_ACBOOT
902
903 namespace match_rules = sdbusplus::bus::match::rules;
904
powerRestoreConfigHandler(sd_bus_message * m,void * context,sd_bus_error *)905 static int powerRestoreConfigHandler(sd_bus_message* m, void* context,
906 sd_bus_error*)
907 {
908 if (context == nullptr || m == nullptr)
909 {
910 throw std::runtime_error("Invalid match");
911 }
912 sdbusplus::message_t message(m);
913 PowerRestoreController* powerRestore =
914 static_cast<PowerRestoreController*>(context);
915
916 if (std::string(message.get_member()) == "InterfacesAdded")
917 {
918 sdbusplus::message::object_path path;
919 boost::container::flat_map<std::string, dbusPropertiesList> data;
920
921 message.read(path, data);
922
923 for (auto& [iface, properties] : data)
924 {
925 if ((iface == powerRestorePolicyIface)
926 #ifdef USE_ACBOOT
927 || (iface == powerACBootIface)
928 #endif // USE_ACBOOT
929 )
930 {
931 powerRestore->setProperties(properties);
932 }
933 }
934 }
935 else if (std::string(message.get_member()) == "PropertiesChanged")
936 {
937 std::string interfaceName;
938 dbusPropertiesList propertiesChanged;
939
940 message.read(interfaceName, propertiesChanged);
941
942 powerRestore->setProperties(propertiesChanged);
943 }
944 return 1;
945 }
946
run()947 void PowerRestoreController::run()
948 {
949 std::string powerRestorePolicyObject =
950 "/xyz/openbmc_project/control/host" + node + "/power_restore_policy";
951 powerRestorePolicyLog();
952 // this list only needs to be created once
953 if (matches.empty())
954 {
955 matches.emplace_back(
956 *conn,
957 match_rules::interfacesAdded() +
958 match_rules::argNpath(0, powerRestorePolicyObject) +
959 match_rules::sender(setingsService),
960 powerRestoreConfigHandler, this);
961 #ifdef USE_ACBOOT
962 matches.emplace_back(*conn,
963 match_rules::interfacesAdded() +
964 match_rules::argNpath(0, powerACBootObject) +
965 match_rules::sender(setingsService),
966 powerRestoreConfigHandler, this);
967 matches.emplace_back(*conn,
968 match_rules::propertiesChanged(powerACBootObject,
969 powerACBootIface) +
970 match_rules::sender(setingsService),
971 powerRestoreConfigHandler, this);
972 #endif // USE_ACBOOT
973 }
974
975 // Check if it's already on DBus
976 conn->async_method_call(
977 [this](boost::system::error_code ec,
978 const dbusPropertiesList properties) {
979 if (ec)
980 {
981 return;
982 }
983 setProperties(properties);
984 },
985 setingsService, powerRestorePolicyObject,
986 "org.freedesktop.DBus.Properties", "GetAll", powerRestorePolicyIface);
987
988 #ifdef USE_ACBOOT
989 // Check if it's already on DBus
990 conn->async_method_call(
991 [this](boost::system::error_code ec,
992 const dbusPropertiesList properties) {
993 if (ec)
994 {
995 return;
996 }
997 setProperties(properties);
998 },
999 setingsService, powerACBootObject, "org.freedesktop.DBus.Properties",
1000 "GetAll", powerACBootIface);
1001 #endif
1002 }
1003
setProperties(const dbusPropertiesList & props)1004 void PowerRestoreController::setProperties(const dbusPropertiesList& props)
1005 {
1006 for (auto& [property, propValue] : props)
1007 {
1008 if (property == "PowerRestorePolicy")
1009 {
1010 const std::string* value = std::get_if<std::string>(&propValue);
1011 if (value == nullptr)
1012 {
1013 lg2::error("Unable to read Power Restore Policy");
1014 continue;
1015 }
1016 powerRestorePolicy = *value;
1017 }
1018 else if (property == "PowerRestoreDelay")
1019 {
1020 const uint64_t* value = std::get_if<uint64_t>(&propValue);
1021 if (value == nullptr)
1022 {
1023 lg2::error("Unable to read Power Restore Delay");
1024 continue;
1025 }
1026 powerRestoreDelay = *value / 1000000; // usec to sec
1027 }
1028 #ifdef USE_ACBOOT
1029 else if (property == "ACBoot")
1030 {
1031 const std::string* value = std::get_if<std::string>(&propValue);
1032 if (value == nullptr)
1033 {
1034 lg2::error("Unable to read AC Boot status");
1035 continue;
1036 }
1037 acBoot = *value;
1038 }
1039 #endif // USE_ACBOOT
1040 }
1041 invokeIfReady();
1042 }
1043
invokeIfReady()1044 void PowerRestoreController::invokeIfReady()
1045 {
1046 if ((powerRestorePolicy.empty()) || (powerRestoreDelay < 0))
1047 {
1048 return;
1049 }
1050 #ifdef USE_ACBOOT
1051 if (acBoot.empty() || acBoot == "Unknown")
1052 {
1053 return;
1054 }
1055 #endif
1056
1057 matches.clear();
1058 if (!timerFired)
1059 {
1060 // Calculate the delay from now to meet the requested delay
1061 // Subtract the approximate uboot time
1062 static constexpr const int ubootSeconds = 20;
1063 int delay = powerRestoreDelay - ubootSeconds;
1064 // Subtract the time since boot
1065 struct sysinfo info = {};
1066 if (sysinfo(&info) == 0)
1067 {
1068 delay -= info.uptime;
1069 }
1070
1071 if (delay > 0)
1072 {
1073 powerRestoreTimer.expires_after(std::chrono::seconds(delay));
1074 lg2::info("Power Restore delay of {DELAY} seconds started", "DELAY",
1075 delay);
1076 powerRestoreTimer.async_wait([this](const boost::system::error_code
1077 ec) {
1078 if (ec)
1079 {
1080 // operation_aborted is expected if timer is canceled before
1081 // completion.
1082 if (ec == boost::asio::error::operation_aborted)
1083 {
1084 return;
1085 }
1086 lg2::error(
1087 "power restore policy async_wait failed: {ERROR_MSG}",
1088 "ERROR_MSG", ec.message());
1089 }
1090 else
1091 {
1092 lg2::info("Power Restore delay timer expired");
1093 }
1094 invoke();
1095 });
1096 timerFired = true;
1097 }
1098 else
1099 {
1100 invoke();
1101 }
1102 }
1103 }
1104
invoke()1105 void PowerRestoreController::invoke()
1106 {
1107 // we want to run Power Restore only once
1108 if (policyInvoked)
1109 {
1110 return;
1111 }
1112 policyInvoked = true;
1113
1114 lg2::info("Invoking Power Restore Policy {POLICY}", "POLICY",
1115 powerRestorePolicy);
1116 if (powerRestorePolicy ==
1117 "xyz.openbmc_project.Control.Power.RestorePolicy.Policy.AlwaysOn")
1118 {
1119 sendPowerControlEvent(Event::powerOnRequest);
1120 setRestartCauseProperty(getRestartCause(RestartCause::powerPolicyOn));
1121 }
1122 else if (powerRestorePolicy ==
1123 "xyz.openbmc_project.Control.Power.RestorePolicy.Policy.Restore")
1124 {
1125 if (wasPowerDropped())
1126 {
1127 lg2::info("Power was dropped, restoring Host On state");
1128 sendPowerControlEvent(Event::powerOnRequest);
1129 setRestartCauseProperty(
1130 getRestartCause(RestartCause::powerPolicyRestore));
1131 }
1132 else
1133 {
1134 lg2::info("No power drop, restoring Host Off state");
1135 }
1136 }
1137 // We're done with the previous power state for the restore policy, so store
1138 // the current state
1139 savePowerState(powerState);
1140 }
1141
wasPowerDropped()1142 bool PowerRestoreController::wasPowerDropped()
1143 {
1144 std::string state = appState.get(PersistentState::Params::PowerState);
1145 return state == "xyz.openbmc_project.State.Chassis.PowerState.On";
1146 }
1147
waitForGPIOEvent(const std::string & name,const std::function<void (bool)> & eventHandler,gpiod::line & line,boost::asio::posix::stream_descriptor & event)1148 static void waitForGPIOEvent(
1149 const std::string& name, const std::function<void(bool)>& eventHandler,
1150 gpiod::line& line, boost::asio::posix::stream_descriptor& event)
1151 {
1152 event.async_wait(
1153 boost::asio::posix::stream_descriptor::wait_read,
1154 [&name, eventHandler, &line,
1155 &event](const boost::system::error_code ec) {
1156 if (ec)
1157 {
1158 lg2::error("{GPIO_NAME} fd handler error: {ERROR_MSG}",
1159 "GPIO_NAME", name, "ERROR_MSG", ec.message());
1160 // TODO: throw here to force power-control to
1161 // restart?
1162 return;
1163 }
1164 gpiod::line_event line_event = line.event_read();
1165 eventHandler(line_event.event_type ==
1166 gpiod::line_event::RISING_EDGE);
1167 waitForGPIOEvent(name, eventHandler, line, event);
1168 });
1169 }
1170
requestGPIOEvents(const std::string & name,const std::function<void (bool)> & handler,gpiod::line & gpioLine,boost::asio::posix::stream_descriptor & gpioEventDescriptor)1171 static bool requestGPIOEvents(
1172 const std::string& name, const std::function<void(bool)>& handler,
1173 gpiod::line& gpioLine,
1174 boost::asio::posix::stream_descriptor& gpioEventDescriptor)
1175 {
1176 // Find the GPIO line
1177 gpioLine = gpiod::find_line(name);
1178 if (!gpioLine)
1179 {
1180 lg2::error("Failed to find the {GPIO_NAME} line", "GPIO_NAME", name);
1181 return false;
1182 }
1183
1184 try
1185 {
1186 gpioLine.request({appName, gpiod::line_request::EVENT_BOTH_EDGES, {}});
1187 }
1188 catch (const std::exception& e)
1189 {
1190 lg2::error("Failed to request events for {GPIO_NAME}: {ERROR}",
1191 "GPIO_NAME", name, "ERROR", e);
1192 return false;
1193 }
1194
1195 int gpioLineFd = gpioLine.event_get_fd();
1196 if (gpioLineFd < 0)
1197 {
1198 lg2::error("Failed to get {GPIO_NAME} fd", "GPIO_NAME", name);
1199 return false;
1200 }
1201
1202 gpioEventDescriptor.assign(gpioLineFd);
1203
1204 waitForGPIOEvent(name, handler, gpioLine, gpioEventDescriptor);
1205 return true;
1206 }
1207
setGPIOOutput(const std::string & name,const int value,gpiod::line & gpioLine)1208 static bool setGPIOOutput(const std::string& name, const int value,
1209 gpiod::line& gpioLine)
1210 {
1211 // Find the GPIO line
1212 gpioLine = gpiod::find_line(name);
1213 if (!gpioLine)
1214 {
1215 lg2::error("Failed to find the {GPIO_NAME} line", "GPIO_NAME", name);
1216 return false;
1217 }
1218
1219 // Request GPIO output to specified value
1220 try
1221 {
1222 gpioLine.request({appName, gpiod::line_request::DIRECTION_OUTPUT, {}},
1223 value);
1224 }
1225 catch (const std::exception& e)
1226 {
1227 lg2::error("Failed to request {GPIO_NAME} output: {ERROR}", "GPIO_NAME",
1228 name, "ERROR", e);
1229 return false;
1230 }
1231
1232 lg2::info("{GPIO_NAME} set to {GPIO_VALUE}", "GPIO_NAME", name,
1233 "GPIO_VALUE", value);
1234 return true;
1235 }
1236
setMaskedGPIOOutputForMs(gpiod::line & maskedGPIOLine,const std::string & name,const int value,const int durationMs)1237 static int setMaskedGPIOOutputForMs(gpiod::line& maskedGPIOLine,
1238 const std::string& name, const int value,
1239 const int durationMs)
1240 {
1241 // Set the masked GPIO line to the specified value
1242 maskedGPIOLine.set_value(value);
1243 lg2::info("{GPIO_NAME} set to {GPIO_VALUE}", "GPIO_NAME", name,
1244 "GPIO_VALUE", value);
1245 gpioAssertTimer.expires_after(std::chrono::milliseconds(durationMs));
1246 gpioAssertTimer.async_wait(
1247 [maskedGPIOLine, value, name](const boost::system::error_code ec) {
1248 // Set the masked GPIO line back to the opposite value
1249 maskedGPIOLine.set_value(!value);
1250 lg2::info("{GPIO_NAME} released", "GPIO_NAME", name);
1251 if (ec)
1252 {
1253 // operation_aborted is expected if timer is canceled before
1254 // completion.
1255 if (ec != boost::asio::error::operation_aborted)
1256 {
1257 lg2::error("{GPIO_NAME} async_wait failed: {ERROR_MSG}",
1258 "GPIO_NAME", name, "ERROR_MSG", ec.message());
1259 }
1260 }
1261 });
1262 return 0;
1263 }
1264
setGPIOOutputForMs(const ConfigData & config,const int value,const int durationMs)1265 static int setGPIOOutputForMs(const ConfigData& config, const int value,
1266 const int durationMs)
1267 {
1268 // If the requested GPIO is masked, use the mask line to set the output
1269 if (powerButtonMask && config.lineName == powerOutConfig.lineName)
1270 {
1271 return setMaskedGPIOOutputForMs(powerButtonMask, config.lineName, value,
1272 durationMs);
1273 }
1274 if (resetButtonMask && config.lineName == resetOutConfig.lineName)
1275 {
1276 return setMaskedGPIOOutputForMs(resetButtonMask, config.lineName, value,
1277 durationMs);
1278 }
1279
1280 // No mask set, so request and set the GPIO normally
1281 gpiod::line gpioLine;
1282 if (!setGPIOOutput(config.lineName, value, gpioLine))
1283 {
1284 return -1;
1285 }
1286 const std::string name = config.lineName;
1287
1288 gpioAssertTimer.expires_after(std::chrono::milliseconds(durationMs));
1289 gpioAssertTimer.async_wait(
1290 [gpioLine, value, name](const boost::system::error_code ec) {
1291 // Set the GPIO line back to the opposite value
1292 gpioLine.set_value(!value);
1293 lg2::info("{GPIO_NAME} released", "GPIO_NAME", name);
1294 if (ec)
1295 {
1296 // operation_aborted is expected if timer is canceled before
1297 // completion.
1298 if (ec != boost::asio::error::operation_aborted)
1299 {
1300 lg2::error("{GPIO_NAME} async_wait failed: {ERROR_MSG}",
1301 "GPIO_NAME", name, "ERROR_MSG", ec.message());
1302 }
1303 }
1304 });
1305 return 0;
1306 }
1307
assertGPIOForMs(const ConfigData & config,const int durationMs)1308 static int assertGPIOForMs(const ConfigData& config, const int durationMs)
1309 {
1310 return setGPIOOutputForMs(config, config.polarity, durationMs);
1311 }
1312
powerOn()1313 static void powerOn()
1314 {
1315 assertGPIOForMs(powerOutConfig, TimerMap["PowerPulseMs"]);
1316 }
1317 #ifdef CHASSIS_SYSTEM_RESET
slotPowerOn()1318 static int slotPowerOn()
1319 {
1320 if (power_control::slotPowerState != power_control::SlotPowerState::on)
1321 {
1322 slotPowerLine.set_value(1);
1323
1324 if (slotPowerLine.get_value() > 0)
1325 {
1326 setSlotPowerState(SlotPowerState::on);
1327 lg2::info("Slot Power is switched On\n");
1328 }
1329 else
1330 {
1331 return -1;
1332 }
1333 }
1334 else
1335 {
1336 lg2::info("Slot Power is already in 'On' state\n");
1337 return -1;
1338 }
1339 return 0;
1340 }
slotPowerOff()1341 static int slotPowerOff()
1342 {
1343 if (power_control::slotPowerState != power_control::SlotPowerState::off)
1344 {
1345 slotPowerLine.set_value(0);
1346
1347 if (!(slotPowerLine.get_value() > 0))
1348 {
1349 setSlotPowerState(SlotPowerState::off);
1350 setPowerState(PowerState::off);
1351 lg2::info("Slot Power is switched Off\n");
1352 }
1353 else
1354 {
1355 return -1;
1356 }
1357 }
1358 else
1359 {
1360 lg2::info("Slot Power is already in 'Off' state\n");
1361 return -1;
1362 }
1363 return 0;
1364 }
slotPowerCycle()1365 static void slotPowerCycle()
1366 {
1367 lg2::info("Slot Power Cycle started\n");
1368 slotPowerOff();
1369 slotPowerCycleTimer.expires_after(
1370 std::chrono::milliseconds(TimerMap["SlotPowerCycleMs"]));
1371 slotPowerCycleTimer.async_wait([](const boost::system::error_code ec) {
1372 if (ec)
1373 {
1374 if (ec != boost::asio::error::operation_aborted)
1375 {
1376 lg2::error(
1377 "Slot Power cycle timer async_wait failed: {ERROR_MSG}",
1378 "ERROR_MSG", ec.message());
1379 }
1380 lg2::info("Slot Power cycle timer canceled\n");
1381 return;
1382 }
1383 lg2::info("Slot Power cycle timer completed\n");
1384 slotPowerOn();
1385 lg2::info("Slot Power Cycle Completed\n");
1386 });
1387 }
1388 #endif
gracefulPowerOff()1389 static void gracefulPowerOff()
1390 {
1391 assertGPIOForMs(powerOutConfig, TimerMap["PowerPulseMs"]);
1392 }
1393
forcePowerOff()1394 static void forcePowerOff()
1395 {
1396 if (assertGPIOForMs(powerOutConfig, TimerMap["ForceOffPulseMs"]) < 0)
1397 {
1398 return;
1399 }
1400
1401 // If the force off timer expires, then the power-button override failed
1402 gpioAssertTimer.async_wait([](const boost::system::error_code ec) {
1403 if (ec)
1404 {
1405 // operation_aborted is expected if timer is canceled before
1406 // completion.
1407 if (ec != boost::asio::error::operation_aborted)
1408 {
1409 lg2::error("Force power off async_wait failed: {ERROR_MSG}",
1410 "ERROR_MSG", ec.message());
1411 }
1412 return;
1413 }
1414
1415 lg2::error("Power-button override failed. Not sure what to do now.");
1416 });
1417 }
1418
reset()1419 static void reset()
1420 {
1421 assertGPIOForMs(resetOutConfig, TimerMap["ResetPulseMs"]);
1422 }
1423
gracefulPowerOffTimerStart()1424 static void gracefulPowerOffTimerStart()
1425 {
1426 lg2::info("Graceful power-off timer started");
1427 gracefulPowerOffTimer.expires_after(
1428 std::chrono::seconds(TimerMap["GracefulPowerOffS"]));
1429 gracefulPowerOffTimer.async_wait([](const boost::system::error_code ec) {
1430 if (ec)
1431 {
1432 // operation_aborted is expected if timer is canceled before
1433 // completion.
1434 if (ec != boost::asio::error::operation_aborted)
1435 {
1436 lg2::error("Graceful power-off async_wait failed: {ERROR_MSG}",
1437 "ERROR_MSG", ec.message());
1438 }
1439 lg2::info("Graceful power-off timer canceled");
1440 return;
1441 }
1442 lg2::info("Graceful power-off timer completed");
1443 sendPowerControlEvent(Event::gracefulPowerOffTimerExpired);
1444 });
1445 }
1446
powerCycleTimerStart()1447 static void powerCycleTimerStart()
1448 {
1449 lg2::info("Power-cycle timer started");
1450 powerCycleTimer.expires_after(
1451 std::chrono::milliseconds(TimerMap["PowerCycleMs"]));
1452 powerCycleTimer.async_wait([](const boost::system::error_code ec) {
1453 if (ec)
1454 {
1455 // operation_aborted is expected if timer is canceled before
1456 // completion.
1457 if (ec != boost::asio::error::operation_aborted)
1458 {
1459 lg2::error("Power-cycle async_wait failed: {ERROR_MSG}",
1460 "ERROR_MSG", ec.message());
1461 }
1462 lg2::info("Power-cycle timer canceled");
1463 return;
1464 }
1465 lg2::info("Power-cycle timer completed");
1466 sendPowerControlEvent(Event::powerCycleTimerExpired);
1467 });
1468 }
1469
psPowerOKWatchdogTimerStart()1470 static void psPowerOKWatchdogTimerStart()
1471 {
1472 lg2::info("power supply power OK watchdog timer started");
1473 psPowerOKWatchdogTimer.expires_after(
1474 std::chrono::milliseconds(TimerMap["PsPowerOKWatchdogMs"]));
1475 psPowerOKWatchdogTimer.async_wait([](const boost::system::error_code ec) {
1476 if (ec)
1477 {
1478 // operation_aborted is expected if timer is canceled before
1479 // completion.
1480 if (ec != boost::asio::error::operation_aborted)
1481 {
1482 lg2::error(
1483 "power supply power OK watchdog async_wait failed: {ERROR_MSG}",
1484 "ERROR_MSG", ec.message());
1485 }
1486 lg2::info("power supply power OK watchdog timer canceled");
1487 return;
1488 }
1489 lg2::info("power supply power OK watchdog timer expired");
1490 sendPowerControlEvent(Event::psPowerOKWatchdogTimerExpired);
1491 });
1492 }
1493
warmResetCheckTimerStart()1494 static void warmResetCheckTimerStart()
1495 {
1496 lg2::info("Warm reset check timer started");
1497 warmResetCheckTimer.expires_after(
1498 std::chrono::milliseconds(TimerMap["WarmResetCheckMs"]));
1499 warmResetCheckTimer.async_wait([](const boost::system::error_code ec) {
1500 if (ec)
1501 {
1502 // operation_aborted is expected if timer is canceled before
1503 // completion.
1504 if (ec != boost::asio::error::operation_aborted)
1505 {
1506 lg2::error("Warm reset check async_wait failed: {ERROR_MSG}",
1507 "ERROR_MSG", ec.message());
1508 }
1509 lg2::info("Warm reset check timer canceled");
1510 return;
1511 }
1512 lg2::info("Warm reset check timer completed");
1513 sendPowerControlEvent(Event::warmResetDetected);
1514 });
1515 }
1516
pohCounterTimerStart()1517 static void pohCounterTimerStart()
1518 {
1519 lg2::info("POH timer started");
1520 // Set the time-out as 1 hour, to align with POH command in ipmid
1521 pohCounterTimer.expires_after(std::chrono::hours(1));
1522 pohCounterTimer.async_wait([](const boost::system::error_code& ec) {
1523 if (ec)
1524 {
1525 // operation_aborted is expected if timer is canceled before
1526 // completion.
1527 if (ec != boost::asio::error::operation_aborted)
1528 {
1529 lg2::error("POH timer async_wait failed: {ERROR_MSG}",
1530 "ERROR_MSG", ec.message());
1531 }
1532 lg2::info("POH timer canceled");
1533 return;
1534 }
1535
1536 if (getHostState(powerState) !=
1537 "xyz.openbmc_project.State.Host.HostState.Running")
1538 {
1539 return;
1540 }
1541
1542 conn->async_method_call(
1543 [](boost::system::error_code ec,
1544 const std::variant<uint32_t>& pohCounterProperty) {
1545 if (ec)
1546 {
1547 lg2::error("error getting poh counter");
1548 return;
1549 }
1550 const uint32_t* pohCounter =
1551 std::get_if<uint32_t>(&pohCounterProperty);
1552 if (pohCounter == nullptr)
1553 {
1554 lg2::error("unable to read poh counter");
1555 return;
1556 }
1557
1558 conn->async_method_call(
1559 [](boost::system::error_code ec) {
1560 if (ec)
1561 {
1562 lg2::error("failed to set poh counter");
1563 }
1564 },
1565 "xyz.openbmc_project.Settings",
1566 "/xyz/openbmc_project/state/chassis0",
1567 "org.freedesktop.DBus.Properties", "Set",
1568 "xyz.openbmc_project.State.PowerOnHours", "POHCounter",
1569 std::variant<uint32_t>(*pohCounter + 1));
1570 },
1571 "xyz.openbmc_project.Settings",
1572 "/xyz/openbmc_project/state/chassis0",
1573 "org.freedesktop.DBus.Properties", "Get",
1574 "xyz.openbmc_project.State.PowerOnHours", "POHCounter");
1575
1576 pohCounterTimerStart();
1577 });
1578 }
1579
currentHostStateMonitor()1580 static void currentHostStateMonitor()
1581 {
1582 if (getHostState(powerState) ==
1583 "xyz.openbmc_project.State.Host.HostState.Running")
1584 {
1585 pohCounterTimerStart();
1586 // Clear the restart cause set for the next restart
1587 clearRestartCause();
1588 }
1589 else
1590 {
1591 pohCounterTimer.cancel();
1592 // Set the restart cause set for this restart
1593 setRestartCause();
1594 }
1595
1596 static auto match = sdbusplus::bus::match_t(
1597 *conn,
1598 "type='signal',member='PropertiesChanged', "
1599 "interface='org.freedesktop.DBus.Properties', "
1600 "arg0='xyz.openbmc_project.State.Host'",
1601 [](sdbusplus::message_t& message) {
1602 std::string intfName;
1603 std::map<std::string, std::variant<std::string>> properties;
1604
1605 try
1606 {
1607 message.read(intfName, properties);
1608 }
1609 catch (const std::exception& e)
1610 {
1611 lg2::error("Unable to read host state: {ERROR}", "ERROR", e);
1612 return;
1613 }
1614 if (properties.empty())
1615 {
1616 lg2::error("ERROR: Empty PropertiesChanged signal received");
1617 return;
1618 }
1619
1620 // We only want to check for CurrentHostState
1621 if (properties.begin()->first != "CurrentHostState")
1622 {
1623 return;
1624 }
1625 std::string* currentHostState =
1626 std::get_if<std::string>(&(properties.begin()->second));
1627 if (currentHostState == nullptr)
1628 {
1629 lg2::error("{PROPERTY} property invalid", "PROPERTY",
1630 properties.begin()->first);
1631 return;
1632 }
1633
1634 if (*currentHostState ==
1635 "xyz.openbmc_project.State.Host.HostState.Running")
1636 {
1637 pohCounterTimerStart();
1638 // Clear the restart cause set for the next restart
1639 clearRestartCause();
1640 sd_journal_send("MESSAGE=Host system DC power is on",
1641 "PRIORITY=%i", LOG_INFO,
1642 "REDFISH_MESSAGE_ID=%s",
1643 "OpenBMC.0.1.DCPowerOn", NULL);
1644 }
1645 else
1646 {
1647 pohCounterTimer.cancel();
1648 // POST_COMPLETE GPIO event is not working in some platforms
1649 // when power state is changed to OFF. This resulted in
1650 // 'OperatingSystemState' to stay at 'Standby', even though
1651 // system is OFF. Set 'OperatingSystemState' to 'Inactive'
1652 // if HostState is trurned to OFF.
1653 setOperatingSystemState(OperatingSystemStateStage::Inactive);
1654
1655 // Set the restart cause set for this restart
1656 setRestartCause();
1657 #ifdef USE_ACBOOT
1658 resetACBootProperty();
1659 #endif // USE_ACBOOT
1660 sd_journal_send("MESSAGE=Host system DC power is off",
1661 "PRIORITY=%i", LOG_INFO,
1662 "REDFISH_MESSAGE_ID=%s",
1663 "OpenBMC.0.1.DCPowerOff", NULL);
1664 }
1665 });
1666 }
1667
sioPowerGoodWatchdogTimerStart()1668 static void sioPowerGoodWatchdogTimerStart()
1669 {
1670 lg2::info("SIO power good watchdog timer started");
1671 sioPowerGoodWatchdogTimer.expires_after(
1672 std::chrono::milliseconds(TimerMap["SioPowerGoodWatchdogMs"]));
1673 sioPowerGoodWatchdogTimer.async_wait([](const boost::system::error_code
1674 ec) {
1675 if (ec)
1676 {
1677 // operation_aborted is expected if timer is canceled before
1678 // completion.
1679 if (ec != boost::asio::error::operation_aborted)
1680 {
1681 lg2::error(
1682 "SIO power good watchdog async_wait failed: {ERROR_MSG}",
1683 "ERROR_MSG", ec.message());
1684 }
1685 lg2::info("SIO power good watchdog timer canceled");
1686 return;
1687 }
1688 lg2::info("SIO power good watchdog timer completed");
1689 sendPowerControlEvent(Event::sioPowerGoodWatchdogTimerExpired);
1690 });
1691 }
1692
powerStateOn(const Event event)1693 static void powerStateOn(const Event event)
1694 {
1695 logEvent(__FUNCTION__, event);
1696 switch (event)
1697 {
1698 case Event::psPowerOKDeAssert:
1699 setPowerState(PowerState::off);
1700 // DC power is unexpectedly lost, beep
1701 beep(beepPowerFail);
1702 break;
1703 case Event::sioS5Assert:
1704 setPowerState(PowerState::transitionToOff);
1705 #if IGNORE_SOFT_RESETS_DURING_POST
1706 // Only recognize soft resets once host gets past POST COMPLETE
1707 if (operatingSystemState != OperatingSystemStateStage::Standby)
1708 {
1709 ignoreNextSoftReset = true;
1710 }
1711 #endif
1712 addRestartCause(RestartCause::softReset);
1713 break;
1714 #if USE_PLT_RST
1715 case Event::pltRstAssert:
1716 #else
1717 case Event::postCompleteDeAssert:
1718 #endif
1719 setPowerState(PowerState::checkForWarmReset);
1720 #if IGNORE_SOFT_RESETS_DURING_POST
1721 // Only recognize soft resets once host gets past POST COMPLETE
1722 if (operatingSystemState != OperatingSystemStateStage::Standby)
1723 {
1724 ignoreNextSoftReset = true;
1725 }
1726 #endif
1727 addRestartCause(RestartCause::softReset);
1728 warmResetCheckTimerStart();
1729 break;
1730 case Event::powerButtonPressed:
1731 setPowerState(PowerState::gracefulTransitionToOff);
1732 gracefulPowerOffTimerStart();
1733 break;
1734 case Event::powerOffRequest:
1735 setPowerState(PowerState::transitionToOff);
1736 forcePowerOff();
1737 break;
1738 case Event::gracefulPowerOffRequest:
1739 setPowerState(PowerState::gracefulTransitionToOff);
1740 gracefulPowerOffTimerStart();
1741 gracefulPowerOff();
1742 break;
1743 case Event::powerCycleRequest:
1744 setPowerState(PowerState::transitionToCycleOff);
1745 forcePowerOff();
1746 break;
1747 case Event::gracefulPowerCycleRequest:
1748 setPowerState(PowerState::gracefulTransitionToCycleOff);
1749 gracefulPowerOffTimerStart();
1750 gracefulPowerOff();
1751 break;
1752 case Event::resetButtonPressed:
1753 setPowerState(PowerState::checkForWarmReset);
1754 warmResetCheckTimerStart();
1755 break;
1756 case Event::resetRequest:
1757 reset();
1758 break;
1759 default:
1760 lg2::info("No action taken.");
1761 break;
1762 }
1763 }
1764
powerStateWaitForPSPowerOK(const Event event)1765 static void powerStateWaitForPSPowerOK(const Event event)
1766 {
1767 logEvent(__FUNCTION__, event);
1768 switch (event)
1769 {
1770 case Event::psPowerOKAssert:
1771 {
1772 // Cancel any GPIO assertions held during the transition
1773 gpioAssertTimer.cancel();
1774 psPowerOKWatchdogTimer.cancel();
1775 if (sioEnabled == true)
1776 {
1777 sioPowerGoodWatchdogTimerStart();
1778 setPowerState(PowerState::waitForSIOPowerGood);
1779 }
1780 else
1781 {
1782 setPowerState(PowerState::on);
1783 }
1784 break;
1785 }
1786 case Event::psPowerOKWatchdogTimerExpired:
1787 setPowerState(PowerState::off);
1788 psPowerOKFailedLog();
1789 break;
1790 case Event::sioPowerGoodAssert:
1791 psPowerOKWatchdogTimer.cancel();
1792 setPowerState(PowerState::on);
1793 break;
1794 default:
1795 lg2::info("No action taken.");
1796 break;
1797 }
1798 }
1799
powerStateWaitForSIOPowerGood(const Event event)1800 static void powerStateWaitForSIOPowerGood(const Event event)
1801 {
1802 logEvent(__FUNCTION__, event);
1803 switch (event)
1804 {
1805 case Event::sioPowerGoodAssert:
1806 sioPowerGoodWatchdogTimer.cancel();
1807 setPowerState(PowerState::on);
1808 break;
1809 case Event::sioPowerGoodWatchdogTimerExpired:
1810 setPowerState(PowerState::off);
1811 systemPowerGoodFailedLog();
1812 break;
1813 default:
1814 lg2::info("No action taken.");
1815 break;
1816 }
1817 }
1818
powerStateOff(const Event event)1819 static void powerStateOff(const Event event)
1820 {
1821 logEvent(__FUNCTION__, event);
1822 switch (event)
1823 {
1824 case Event::psPowerOKAssert:
1825 {
1826 if (sioEnabled == true)
1827 {
1828 sioPowerGoodWatchdogTimerStart();
1829 setPowerState(PowerState::waitForSIOPowerGood);
1830 }
1831 else
1832 {
1833 setPowerState(PowerState::on);
1834 }
1835 break;
1836 }
1837 case Event::sioS5DeAssert:
1838 psPowerOKWatchdogTimerStart();
1839 setPowerState(PowerState::waitForPSPowerOK);
1840 break;
1841 case Event::sioPowerGoodAssert:
1842 setPowerState(PowerState::on);
1843 break;
1844 case Event::powerButtonPressed:
1845 psPowerOKWatchdogTimerStart();
1846 setPowerState(PowerState::waitForPSPowerOK);
1847 break;
1848 case Event::powerOnRequest:
1849 psPowerOKWatchdogTimerStart();
1850 setPowerState(PowerState::waitForPSPowerOK);
1851 powerOn();
1852 break;
1853 default:
1854 lg2::info("No action taken.");
1855 break;
1856 }
1857 }
1858
powerStateTransitionToOff(const Event event)1859 static void powerStateTransitionToOff(const Event event)
1860 {
1861 logEvent(__FUNCTION__, event);
1862 switch (event)
1863 {
1864 case Event::psPowerOKDeAssert:
1865 // Cancel any GPIO assertions held during the transition
1866 gpioAssertTimer.cancel();
1867 setPowerState(PowerState::off);
1868 break;
1869 default:
1870 lg2::info("No action taken.");
1871 break;
1872 }
1873 }
1874
powerStateGracefulTransitionToOff(const Event event)1875 static void powerStateGracefulTransitionToOff(const Event event)
1876 {
1877 logEvent(__FUNCTION__, event);
1878 switch (event)
1879 {
1880 case Event::psPowerOKDeAssert:
1881 gracefulPowerOffTimer.cancel();
1882 setPowerState(PowerState::off);
1883 break;
1884 case Event::gracefulPowerOffTimerExpired:
1885 setPowerState(PowerState::on);
1886 break;
1887 case Event::powerOffRequest:
1888 gracefulPowerOffTimer.cancel();
1889 setPowerState(PowerState::transitionToOff);
1890 forcePowerOff();
1891 break;
1892 case Event::powerCycleRequest:
1893 gracefulPowerOffTimer.cancel();
1894 setPowerState(PowerState::transitionToCycleOff);
1895 forcePowerOff();
1896 break;
1897 case Event::resetRequest:
1898 gracefulPowerOffTimer.cancel();
1899 setPowerState(PowerState::on);
1900 reset();
1901 break;
1902 default:
1903 lg2::info("No action taken.");
1904 break;
1905 }
1906 }
1907
powerStateCycleOff(const Event event)1908 static void powerStateCycleOff(const Event event)
1909 {
1910 logEvent(__FUNCTION__, event);
1911 switch (event)
1912 {
1913 case Event::psPowerOKAssert:
1914 {
1915 powerCycleTimer.cancel();
1916 if (sioEnabled == true)
1917 {
1918 sioPowerGoodWatchdogTimerStart();
1919 setPowerState(PowerState::waitForSIOPowerGood);
1920 }
1921 else
1922 {
1923 setPowerState(PowerState::on);
1924 }
1925 break;
1926 }
1927 case Event::sioS5DeAssert:
1928 powerCycleTimer.cancel();
1929 psPowerOKWatchdogTimerStart();
1930 setPowerState(PowerState::waitForPSPowerOK);
1931 break;
1932 case Event::powerButtonPressed:
1933 powerCycleTimer.cancel();
1934 psPowerOKWatchdogTimerStart();
1935 setPowerState(PowerState::waitForPSPowerOK);
1936 break;
1937 case Event::powerCycleTimerExpired:
1938 psPowerOKWatchdogTimerStart();
1939 setPowerState(PowerState::waitForPSPowerOK);
1940 powerOn();
1941 break;
1942 default:
1943 lg2::info("No action taken.");
1944 break;
1945 }
1946 }
1947
powerStateTransitionToCycleOff(const Event event)1948 static void powerStateTransitionToCycleOff(const Event event)
1949 {
1950 logEvent(__FUNCTION__, event);
1951 switch (event)
1952 {
1953 case Event::psPowerOKDeAssert:
1954 // Cancel any GPIO assertions held during the transition
1955 gpioAssertTimer.cancel();
1956 setPowerState(PowerState::cycleOff);
1957 powerCycleTimerStart();
1958 break;
1959 default:
1960 lg2::info("No action taken.");
1961 break;
1962 }
1963 }
1964
powerStateGracefulTransitionToCycleOff(const Event event)1965 static void powerStateGracefulTransitionToCycleOff(const Event event)
1966 {
1967 logEvent(__FUNCTION__, event);
1968 switch (event)
1969 {
1970 case Event::psPowerOKDeAssert:
1971 gracefulPowerOffTimer.cancel();
1972 setPowerState(PowerState::cycleOff);
1973 powerCycleTimerStart();
1974 break;
1975 case Event::gracefulPowerOffTimerExpired:
1976 setPowerState(PowerState::on);
1977 break;
1978 case Event::powerOffRequest:
1979 gracefulPowerOffTimer.cancel();
1980 setPowerState(PowerState::transitionToOff);
1981 forcePowerOff();
1982 break;
1983 case Event::powerCycleRequest:
1984 gracefulPowerOffTimer.cancel();
1985 setPowerState(PowerState::transitionToCycleOff);
1986 forcePowerOff();
1987 break;
1988 case Event::resetRequest:
1989 gracefulPowerOffTimer.cancel();
1990 setPowerState(PowerState::on);
1991 reset();
1992 break;
1993 default:
1994 lg2::info("No action taken.");
1995 break;
1996 }
1997 }
1998
powerStateCheckForWarmReset(const Event event)1999 static void powerStateCheckForWarmReset(const Event event)
2000 {
2001 logEvent(__FUNCTION__, event);
2002 switch (event)
2003 {
2004 case Event::sioS5Assert:
2005 warmResetCheckTimer.cancel();
2006 setPowerState(PowerState::transitionToOff);
2007 break;
2008 case Event::warmResetDetected:
2009 setPowerState(PowerState::on);
2010 break;
2011 case Event::psPowerOKDeAssert:
2012 warmResetCheckTimer.cancel();
2013 setPowerState(PowerState::off);
2014 // DC power is unexpectedly lost, beep
2015 beep(beepPowerFail);
2016 break;
2017 default:
2018 lg2::info("No action taken.");
2019 break;
2020 }
2021 }
2022
psPowerOKHandler(bool state)2023 static void psPowerOKHandler(bool state)
2024 {
2025 Event powerControlEvent = (state == powerOkConfig.polarity)
2026 ? Event::psPowerOKAssert
2027 : Event::psPowerOKDeAssert;
2028 sendPowerControlEvent(powerControlEvent);
2029 }
2030
sioPowerGoodHandler(bool state)2031 static void sioPowerGoodHandler(bool state)
2032 {
2033 Event powerControlEvent = (state == sioPwrGoodConfig.polarity)
2034 ? Event::sioPowerGoodAssert
2035 : Event::sioPowerGoodDeAssert;
2036 sendPowerControlEvent(powerControlEvent);
2037 }
2038
sioOnControlHandler(bool state)2039 static void sioOnControlHandler(bool state)
2040 {
2041 lg2::info("SIO_ONCONTROL value changed: {VALUE}", "VALUE",
2042 static_cast<int>(state));
2043 }
2044
sioS5Handler(bool state)2045 static void sioS5Handler(bool state)
2046 {
2047 Event powerControlEvent = (state == sioS5Config.polarity)
2048 ? Event::sioS5Assert
2049 : Event::sioS5DeAssert;
2050 sendPowerControlEvent(powerControlEvent);
2051 }
2052
powerButtonHandler(bool state)2053 static void powerButtonHandler(bool state)
2054 {
2055 bool asserted = state == powerButtonConfig.polarity;
2056 powerButtonIface->set_property("ButtonPressed", asserted);
2057 if (asserted)
2058 {
2059 powerButtonPressLog();
2060 if (!powerButtonMask)
2061 {
2062 sendPowerControlEvent(Event::powerButtonPressed);
2063 addRestartCause(RestartCause::powerButton);
2064 }
2065 else
2066 {
2067 lg2::info("power button press masked");
2068 }
2069 }
2070 }
2071
resetButtonHandler(bool state)2072 static void resetButtonHandler(bool state)
2073 {
2074 bool asserted = state == resetButtonConfig.polarity;
2075 resetButtonIface->set_property("ButtonPressed", asserted);
2076 if (asserted)
2077 {
2078 resetButtonPressLog();
2079 if (!resetButtonMask)
2080 {
2081 sendPowerControlEvent(Event::resetButtonPressed);
2082 addRestartCause(RestartCause::resetButton);
2083 }
2084 else
2085 {
2086 lg2::info("reset button press masked");
2087 }
2088 }
2089 }
2090
2091 #ifdef CHASSIS_SYSTEM_RESET
2092 static constexpr auto systemdBusname = "org.freedesktop.systemd1";
2093 static constexpr auto systemdPath = "/org/freedesktop/systemd1";
2094 static constexpr auto systemdInterface = "org.freedesktop.systemd1.Manager";
2095 static constexpr auto systemTargetName = "chassis-system-reset.target";
2096
systemReset()2097 void systemReset()
2098 {
2099 conn->async_method_call(
2100 [](boost::system::error_code ec) {
2101 if (ec)
2102 {
2103 lg2::error("Failed to call chassis system reset: {ERR}", "ERR",
2104 ec.message());
2105 }
2106 },
2107 systemdBusname, systemdPath, systemdInterface, "StartUnit",
2108 systemTargetName, "replace");
2109 }
2110 #endif
2111
nmiSetEnableProperty(bool value)2112 static void nmiSetEnableProperty(bool value)
2113 {
2114 conn->async_method_call(
2115 [](boost::system::error_code ec) {
2116 if (ec)
2117 {
2118 lg2::error("failed to set NMI source");
2119 }
2120 },
2121 "xyz.openbmc_project.Settings",
2122 "/xyz/openbmc_project/Chassis/Control/NMISource",
2123 "org.freedesktop.DBus.Properties", "Set",
2124 "xyz.openbmc_project.Chassis.Control.NMISource", "Enabled",
2125 std::variant<bool>{value});
2126 }
2127
nmiReset(void)2128 static void nmiReset(void)
2129 {
2130 const static constexpr int nmiOutPulseTimeMs = 200;
2131
2132 lg2::info("NMI out action");
2133 nmiOutLine.set_value(nmiOutConfig.polarity);
2134 lg2::info("{GPIO_NAME} set to {GPIO_VALUE}", "GPIO_NAME",
2135 nmiOutConfig.lineName, "GPIO_VALUE", nmiOutConfig.polarity);
2136 gpioAssertTimer.expires_after(std::chrono::milliseconds(nmiOutPulseTimeMs));
2137 gpioAssertTimer.async_wait([](const boost::system::error_code ec) {
2138 // restore the NMI_OUT GPIO line back to the opposite value
2139 nmiOutLine.set_value(!nmiOutConfig.polarity);
2140 lg2::info("{GPIO_NAME} released", "GPIO_NAME", nmiOutConfig.lineName);
2141 if (ec)
2142 {
2143 // operation_aborted is expected if timer is canceled before
2144 // completion.
2145 if (ec != boost::asio::error::operation_aborted)
2146 {
2147 lg2::error("{GPIO_NAME} async_wait failed: {ERROR_MSG}",
2148 "GPIO_NAME", nmiOutConfig.lineName, "ERROR_MSG",
2149 ec.message());
2150 }
2151 }
2152 });
2153 // log to redfish
2154 nmiDiagIntLog();
2155 lg2::info("NMI out action completed");
2156 // reset Enable Property
2157 nmiSetEnableProperty(false);
2158 }
2159
nmiSourcePropertyMonitor(void)2160 static void nmiSourcePropertyMonitor(void)
2161 {
2162 lg2::info("NMI Source Property Monitor");
2163
2164 static std::unique_ptr<sdbusplus::bus::match_t> nmiSourceMatch =
2165 std::make_unique<sdbusplus::bus::match_t>(
2166 *conn,
2167 "type='signal',interface='org.freedesktop.DBus.Properties',"
2168 "member='PropertiesChanged',"
2169 "arg0namespace='xyz.openbmc_project.Chassis.Control.NMISource'",
2170 [](sdbusplus::message_t& msg) {
2171 std::string interfaceName;
2172 boost::container::flat_map<std::string,
2173 std::variant<bool, std::string>>
2174 propertiesChanged;
2175 std::string state;
2176 bool value = true;
2177 try
2178 {
2179 msg.read(interfaceName, propertiesChanged);
2180 if (propertiesChanged.begin()->first == "Enabled")
2181 {
2182 value =
2183 std::get<bool>(propertiesChanged.begin()->second);
2184 lg2::info(
2185 "NMI Enabled propertiesChanged value: {VALUE}",
2186 "VALUE", value);
2187 nmiEnabled = value;
2188 if (nmiEnabled)
2189 {
2190 nmiReset();
2191 }
2192 }
2193 }
2194 catch (const std::exception& e)
2195 {
2196 lg2::error("Unable to read NMI source: {ERROR}", "ERROR",
2197 e);
2198 return;
2199 }
2200 });
2201 }
2202
setNmiSource()2203 static void setNmiSource()
2204 {
2205 conn->async_method_call(
2206 [](boost::system::error_code ec) {
2207 if (ec)
2208 {
2209 lg2::error("failed to set NMI source");
2210 }
2211 },
2212 "xyz.openbmc_project.Settings",
2213 "/xyz/openbmc_project/Chassis/Control/NMISource",
2214 "org.freedesktop.DBus.Properties", "Set",
2215 "xyz.openbmc_project.Chassis.Control.NMISource", "BMCSource",
2216 std::variant<std::string>{
2217 "xyz.openbmc_project.Chassis.Control.NMISource.BMCSourceSignal.FrontPanelButton"});
2218 // set Enable Property
2219 nmiSetEnableProperty(true);
2220 }
2221
nmiButtonHandler(bool state)2222 static void nmiButtonHandler(bool state)
2223 {
2224 // Don't handle event if host not running and config doesn't force it
2225 if (!nmiWhenPoweredOff &&
2226 getHostState(powerState) !=
2227 "xyz.openbmc_project.State.Host.HostState.Running")
2228 {
2229 return;
2230 }
2231
2232 bool asserted = state == nmiButtonConfig.polarity;
2233 nmiButtonIface->set_property("ButtonPressed", asserted);
2234 if (asserted)
2235 {
2236 nmiButtonPressLog();
2237 if (nmiButtonMasked)
2238 {
2239 lg2::info("NMI button press masked");
2240 }
2241 else
2242 {
2243 setNmiSource();
2244 }
2245 }
2246 }
2247
idButtonHandler(bool state)2248 static void idButtonHandler(bool state)
2249 {
2250 bool asserted = state == idButtonConfig.polarity;
2251 idButtonIface->set_property("ButtonPressed", asserted);
2252 }
2253
pltRstHandler(bool pltRst)2254 static void pltRstHandler(bool pltRst)
2255 {
2256 if (pltRst)
2257 {
2258 sendPowerControlEvent(Event::pltRstDeAssert);
2259 }
2260 else
2261 {
2262 sendPowerControlEvent(Event::pltRstAssert);
2263 }
2264 }
2265
hostMiscHandler(sdbusplus::message_t & msg)2266 [[maybe_unused]] static void hostMiscHandler(sdbusplus::message_t& msg)
2267 {
2268 std::string interfaceName;
2269 boost::container::flat_map<std::string, std::variant<bool>>
2270 propertiesChanged;
2271 try
2272 {
2273 msg.read(interfaceName, propertiesChanged);
2274 }
2275 catch (const std::exception& e)
2276 {
2277 lg2::error("Unable to read Host Misc status: {ERROR}", "ERROR", e);
2278 return;
2279 }
2280 if (propertiesChanged.empty())
2281 {
2282 lg2::error("ERROR: Empty Host.Misc PropertiesChanged signal received");
2283 return;
2284 }
2285
2286 for (auto& [property, value] : propertiesChanged)
2287 {
2288 if (property == "ESpiPlatformReset")
2289 {
2290 bool* pltRst = std::get_if<bool>(&value);
2291 if (pltRst == nullptr)
2292 {
2293 lg2::error("{PROPERTY} property invalid", "PROPERTY", property);
2294 return;
2295 }
2296 pltRstHandler(*pltRst);
2297 }
2298 }
2299 }
2300
postCompleteHandler(bool state)2301 static void postCompleteHandler(bool state)
2302 {
2303 bool asserted = state == postCompleteConfig.polarity;
2304 if (asserted)
2305 {
2306 sendPowerControlEvent(Event::postCompleteAssert);
2307 setOperatingSystemState(OperatingSystemStateStage::Standby);
2308 }
2309 else
2310 {
2311 sendPowerControlEvent(Event::postCompleteDeAssert);
2312 setOperatingSystemState(OperatingSystemStateStage::Inactive);
2313 }
2314 }
2315
loadConfigValues()2316 static int loadConfigValues()
2317 {
2318 const std::string configFilePath =
2319 "/usr/share/x86-power-control/power-config-host" + power_control::node +
2320 ".json";
2321 std::ifstream configFile(configFilePath.c_str());
2322 if (!configFile.is_open())
2323 {
2324 lg2::error("loadConfigValues: Cannot open config path \'{PATH}\'",
2325 "PATH", configFilePath);
2326 return -1;
2327 }
2328 auto jsonData = nlohmann::json::parse(configFile, nullptr, true, true);
2329
2330 if (jsonData.is_discarded())
2331 {
2332 lg2::error("Power config readings JSON parser failure");
2333 return -1;
2334 }
2335 auto gpios = jsonData["gpio_configs"];
2336 auto timers = jsonData["timing_configs"];
2337
2338 ConfigData* tempGpioData;
2339
2340 for (nlohmann::json& gpioConfig : gpios)
2341 {
2342 if (!gpioConfig.contains("Name"))
2343 {
2344 lg2::error("The 'Name' field must be defined in Json file");
2345 return -1;
2346 }
2347
2348 // Iterate through the powersignal map to check if the gpio json config
2349 // entry is valid
2350 std::string gpioName = gpioConfig["Name"];
2351 auto signalMapIter = powerSignalMap.find(gpioName);
2352 if (signalMapIter == powerSignalMap.end())
2353 {
2354 lg2::error(
2355 "{GPIO_NAME} is not a recognized power-control signal name",
2356 "GPIO_NAME", gpioName);
2357 return -1;
2358 }
2359
2360 // assign the power signal name to the corresponding structure reference
2361 // from map then fillup the structure with coressponding json config
2362 // value
2363 tempGpioData = signalMapIter->second;
2364 tempGpioData->name = gpioName;
2365
2366 if (!gpioConfig.contains("Type"))
2367 {
2368 lg2::error("The \'Type\' field must be defined in Json file");
2369 return -1;
2370 }
2371
2372 std::string signalType = gpioConfig["Type"];
2373 if (signalType == "GPIO")
2374 {
2375 tempGpioData->type = ConfigType::GPIO;
2376 }
2377 else if (signalType == "DBUS")
2378 {
2379 tempGpioData->type = ConfigType::DBUS;
2380 }
2381 else
2382 {
2383 lg2::error("{TYPE} is not a recognized power-control signal type",
2384 "TYPE", signalType);
2385 return -1;
2386 }
2387
2388 if (tempGpioData->type == ConfigType::GPIO)
2389 {
2390 if (gpioConfig.contains("LineName"))
2391 {
2392 tempGpioData->lineName = gpioConfig["LineName"];
2393 }
2394 else
2395 {
2396 lg2::error(
2397 "The \'LineName\' field must be defined for GPIO configuration");
2398 return -1;
2399 }
2400 if (gpioConfig.contains("Polarity"))
2401 {
2402 std::string polarity = gpioConfig["Polarity"];
2403 if (polarity == "ActiveLow")
2404 {
2405 tempGpioData->polarity = false;
2406 }
2407 else if (polarity == "ActiveHigh")
2408 {
2409 tempGpioData->polarity = true;
2410 }
2411 else
2412 {
2413 lg2::error(
2414 "Polarity defined but not properly setup. Please only ActiveHigh or ActiveLow. Currently set to {POLARITY}",
2415 "POLARITY", polarity);
2416 return -1;
2417 }
2418 }
2419 else
2420 {
2421 lg2::error("Polarity field not found for {GPIO_NAME}",
2422 "GPIO_NAME", tempGpioData->lineName);
2423 return -1;
2424 }
2425 }
2426 else
2427 {
2428 // if dbus based gpio config is defined read and update the dbus
2429 // params corresponding to the gpio config instance
2430 for (auto& [key, dbusParamName] : dbusParams)
2431 {
2432 if (!gpioConfig.contains(dbusParamName))
2433 {
2434 lg2::error(
2435 "The {DBUS_NAME} field must be defined for Dbus configuration ",
2436 "DBUS_NAME", dbusParamName);
2437 return -1;
2438 }
2439 }
2440 tempGpioData->dbusName =
2441 gpioConfig[dbusParams[DbusConfigType::name]];
2442 tempGpioData->path = gpioConfig[dbusParams[DbusConfigType::path]];
2443 tempGpioData->interface =
2444 gpioConfig[dbusParams[DbusConfigType::interface]];
2445 tempGpioData->lineName =
2446 gpioConfig[dbusParams[DbusConfigType::property]];
2447
2448 // dbus-based inputs must be active-high.
2449 tempGpioData->polarity = true;
2450
2451 // MatchRegex is optional
2452 auto item = gpioConfig.find("MatchRegex");
2453 if (item != gpioConfig.end())
2454 {
2455 try
2456 {
2457 tempGpioData->matchRegex = std::regex(*item);
2458 }
2459 catch (const std::regex_error& e)
2460 {
2461 lg2::error("Invalid MatchRegex for {NAME}: {ERR}", "NAME",
2462 gpioName, "ERR", e.what());
2463 return -1;
2464 }
2465 }
2466 }
2467 }
2468
2469 // read and store the timer values from json config to Timer Map
2470 for (auto& [key, timerValue] : TimerMap)
2471 {
2472 if (timers.contains(key.c_str()))
2473 {
2474 timerValue = timers[key.c_str()];
2475 }
2476 }
2477
2478 // If "events_configs" key is not in json config, fallback to null
2479 auto events = jsonData.value("event_configs",
2480 nlohmann::json(nlohmann::json::value_t::null));
2481 if (events.is_object())
2482 {
2483 nmiWhenPoweredOff = events.value("NMIWhenPoweredOff", true);
2484 }
2485
2486 return 0;
2487 }
2488
2489 template <typename T>
2490 static std::optional<T>
getMessageValue(sdbusplus::message_t & msg,const std::string & name)2491 getMessageValue(sdbusplus::message_t& msg, const std::string& name)
2492 {
2493 std::string event;
2494 std::string thresholdInterface;
2495 boost::container::flat_map<std::string, std::variant<T>> propertiesChanged;
2496
2497 msg.read(thresholdInterface, propertiesChanged);
2498 if (propertiesChanged.empty())
2499 {
2500 return std::nullopt;
2501 }
2502
2503 event = propertiesChanged.begin()->first;
2504 if (event.empty() || event != name)
2505 {
2506 return std::nullopt;
2507 }
2508
2509 return std::get<T>(propertiesChanged.begin()->second);
2510 }
2511
getDbusMsgGPIOState(sdbusplus::message_t & msg,const ConfigData & config,bool & value)2512 static bool getDbusMsgGPIOState(sdbusplus::message_t& msg,
2513 const ConfigData& config, bool& value)
2514 {
2515 try
2516 {
2517 if (config.matchRegex.has_value())
2518 {
2519 std::optional<std::string> s =
2520 getMessageValue<std::string>(msg, config.lineName);
2521 if (!s.has_value())
2522 {
2523 return false;
2524 }
2525
2526 std::smatch m;
2527 value = std::regex_match(s.value(), m, config.matchRegex.value());
2528 }
2529 else
2530 {
2531 std::optional<bool> v = getMessageValue<bool>(msg, config.lineName);
2532 if (!v.has_value())
2533 {
2534 return false;
2535 }
2536 value = v.value();
2537 }
2538 return true;
2539 }
2540 catch (const std::exception& e)
2541 {
2542 lg2::error(
2543 "exception while reading dbus property \'{DBUS_NAME}\': {ERROR}",
2544 "DBUS_NAME", config.lineName, "ERROR", e);
2545 return false;
2546 }
2547 }
2548
2549 static sdbusplus::bus::match_t
dbusGPIOMatcher(const ConfigData & cfg,std::function<void (bool)> onMatch)2550 dbusGPIOMatcher(const ConfigData& cfg, std::function<void(bool)> onMatch)
2551 {
2552 auto pulseEventMatcherCallback =
2553 [&cfg, onMatch](sdbusplus::message_t& msg) {
2554 bool value = false;
2555 if (!getDbusMsgGPIOState(msg, cfg, value))
2556 {
2557 return;
2558 }
2559 onMatch(value);
2560 };
2561
2562 return sdbusplus::bus::match_t(
2563 static_cast<sdbusplus::bus_t&>(*conn),
2564 "type='signal',interface='org.freedesktop.DBus.Properties',member='"
2565 "PropertiesChanged',arg0='" +
2566 cfg.interface + "',path='" + cfg.path + "',sender='" +
2567 cfg.dbusName + "'",
2568 std::move(pulseEventMatcherCallback));
2569 }
2570
2571 // D-Bus property read functions
2572 void reschedulePropertyRead(const ConfigData& configData);
2573
getProperty(const ConfigData & configData)2574 int getProperty(const ConfigData& configData)
2575 {
2576 std::variant<bool> resp;
2577
2578 try
2579 {
2580 auto method = conn->new_method_call(
2581 configData.dbusName.c_str(), configData.path.c_str(),
2582 "org.freedesktop.DBus.Properties", "Get");
2583 method.append(configData.interface.c_str(),
2584 configData.lineName.c_str());
2585
2586 auto reply = conn->call(method);
2587 if (reply.is_method_error())
2588 {
2589 lg2::error(
2590 "Error reading {PROPERTY} D-Bus property on interface {INTERFACE} and path {PATH}",
2591 "PROPERTY", configData.lineName, "INTERFACE",
2592 configData.interface, "PATH", configData.path);
2593 return -1;
2594 }
2595
2596 reply.read(resp);
2597 }
2598 catch (const sdbusplus::exception_t& e)
2599 {
2600 lg2::error("Exception while reading {PROPERTY}: {WHAT}", "PROPERTY",
2601 configData.lineName, "WHAT", e.what());
2602 reschedulePropertyRead(configData);
2603 return -1;
2604 }
2605
2606 auto respValue = std::get_if<bool>(&resp);
2607 if (!respValue)
2608 {
2609 lg2::error("Error: {PROPERTY} D-Bus property is not the expected type",
2610 "PROPERTY", configData.lineName);
2611 return -1;
2612 }
2613 return (*respValue);
2614 }
2615
setInitialValue(const ConfigData & configData,bool initialValue)2616 void setInitialValue(const ConfigData& configData, bool initialValue)
2617 {
2618 if (configData.name == "PowerOk")
2619 {
2620 powerState = (initialValue ? PowerState::on : PowerState::off);
2621 hostIface->set_property("CurrentHostState",
2622 std::string(getHostState(powerState)));
2623 }
2624 else if (configData.name == "PowerButton")
2625 {
2626 powerButtonIface->set_property("ButtonPressed", !initialValue);
2627 }
2628 else if (configData.name == "ResetButton")
2629 {
2630 resetButtonIface->set_property("ButtonPressed", !initialValue);
2631 }
2632 else if (configData.name == "NMIButton")
2633 {
2634 nmiButtonIface->set_property("ButtonPressed", !initialValue);
2635 }
2636 else if (configData.name == "IdButton")
2637 {
2638 idButtonIface->set_property("ButtonPressed", !initialValue);
2639 }
2640 else if (configData.name == "PostComplete")
2641 {
2642 OperatingSystemStateStage osState =
2643 (initialValue ? OperatingSystemStateStage::Inactive
2644 : OperatingSystemStateStage::Standby);
2645 setOperatingSystemState(osState);
2646 }
2647 else
2648 {
2649 lg2::error("Unknown name {NAME}", "NAME", configData.name);
2650 }
2651 }
2652
reschedulePropertyRead(const ConfigData & configData)2653 void reschedulePropertyRead(const ConfigData& configData)
2654 {
2655 auto item = dBusRetryTimers.find(configData.name);
2656
2657 if (item == dBusRetryTimers.end())
2658 {
2659 auto newItem = dBusRetryTimers.insert(
2660 {configData.name, boost::asio::steady_timer(io)});
2661
2662 if (!newItem.second)
2663 {
2664 lg2::error("Failed to add new timer for {NAME}", "NAME",
2665 configData.name);
2666 return;
2667 }
2668
2669 item = newItem.first;
2670 }
2671
2672 auto& timer = item->second;
2673 timer.expires_after(
2674 std::chrono::milliseconds(TimerMap["DbusGetPropertyRetry"]));
2675 timer.async_wait([&configData](const boost::system::error_code ec) {
2676 if (ec)
2677 {
2678 lg2::error("Retry timer for {NAME} failed: {MSG}", "NAME",
2679 configData.name, "MSG", ec.message());
2680 dBusRetryTimers.erase(configData.name);
2681 return;
2682 }
2683
2684 int property = getProperty(configData);
2685
2686 if (property >= 0)
2687 {
2688 setInitialValue(configData, (property > 0));
2689 dBusRetryTimers.erase(configData.name);
2690 }
2691 });
2692 }
2693 } // namespace power_control
2694
main(int argc,char * argv[])2695 int main(int argc, char* argv[])
2696 {
2697 using namespace power_control;
2698
2699 if (argc > 1)
2700 {
2701 node = argv[1];
2702 }
2703 lg2::info("Start Chassis power control service for host : {NODE}", "NODE",
2704 node);
2705
2706 conn = std::make_shared<sdbusplus::asio::connection>(io);
2707
2708 // Load GPIO's through json config file
2709 if (loadConfigValues() == -1)
2710 {
2711 lg2::error("Host{NODE}: Error in Parsing...", "NODE", node);
2712 }
2713 /* Currently for single host based systems additional busname is added
2714 with "0" at the end of the name ex : xyz.openbmc_project.State.Host0.
2715 Going forward for single hosts the old bus name without zero numbering
2716 will be removed when all other applications adapted to the
2717 bus name with zero numbering (xyz.openbmc_project.State.Host0). */
2718
2719 if (node == "0")
2720 {
2721 // Request all the dbus names
2722 conn->request_name(hostDbusName.c_str());
2723 conn->request_name(chassisDbusName.c_str());
2724 conn->request_name(osDbusName.c_str());
2725 conn->request_name(buttonDbusName.c_str());
2726 conn->request_name(nmiDbusName.c_str());
2727 conn->request_name(rstCauseDbusName.c_str());
2728 }
2729
2730 hostDbusName += node;
2731 chassisDbusName += node;
2732 osDbusName += node;
2733 buttonDbusName += node;
2734 nmiDbusName += node;
2735 rstCauseDbusName += node;
2736
2737 // Request all the dbus names
2738 conn->request_name(hostDbusName.c_str());
2739 conn->request_name(chassisDbusName.c_str());
2740 conn->request_name(osDbusName.c_str());
2741 conn->request_name(buttonDbusName.c_str());
2742 conn->request_name(nmiDbusName.c_str());
2743 conn->request_name(rstCauseDbusName.c_str());
2744
2745 if (sioPwrGoodConfig.lineName.empty() ||
2746 sioOnControlConfig.lineName.empty() || sioS5Config.lineName.empty())
2747 {
2748 sioEnabled = false;
2749 lg2::info("SIO control GPIOs not defined, disable SIO support.");
2750 }
2751
2752 // Request PS_PWROK GPIO events
2753 if (powerOkConfig.type == ConfigType::GPIO)
2754 {
2755 if (!requestGPIOEvents(powerOkConfig.lineName, psPowerOKHandler,
2756 psPowerOKLine, psPowerOKEvent))
2757 {
2758 return -1;
2759 }
2760 }
2761 else if (powerOkConfig.type == ConfigType::DBUS)
2762 {
2763 static sdbusplus::bus::match_t powerOkEventMonitor =
2764 power_control::dbusGPIOMatcher(powerOkConfig, psPowerOKHandler);
2765 }
2766 else
2767 {
2768 lg2::error("PowerOk name should be configured from json config file");
2769 return -1;
2770 }
2771
2772 if (sioEnabled == true)
2773 {
2774 // Request SIO_POWER_GOOD GPIO events
2775 if (sioPwrGoodConfig.type == ConfigType::GPIO)
2776 {
2777 if (!requestGPIOEvents(sioPwrGoodConfig.lineName,
2778 sioPowerGoodHandler, sioPowerGoodLine,
2779 sioPowerGoodEvent))
2780 {
2781 return -1;
2782 }
2783 }
2784 else if (sioPwrGoodConfig.type == ConfigType::DBUS)
2785 {
2786 static sdbusplus::bus::match_t sioPwrGoodEventMonitor =
2787 power_control::dbusGPIOMatcher(sioPwrGoodConfig,
2788 sioPowerGoodHandler);
2789 }
2790 else
2791 {
2792 lg2::error(
2793 "sioPwrGood name should be configured from json config file");
2794 return -1;
2795 }
2796
2797 // Request SIO_ONCONTROL GPIO events
2798 if (sioOnControlConfig.type == ConfigType::GPIO)
2799 {
2800 if (!requestGPIOEvents(sioOnControlConfig.lineName,
2801 sioOnControlHandler, sioOnControlLine,
2802 sioOnControlEvent))
2803 {
2804 return -1;
2805 }
2806 }
2807 else if (sioOnControlConfig.type == ConfigType::DBUS)
2808 {
2809 static sdbusplus::bus::match_t sioOnControlEventMonitor =
2810 power_control::dbusGPIOMatcher(sioOnControlConfig,
2811 sioOnControlHandler);
2812 }
2813 else
2814 {
2815 lg2::error(
2816 "sioOnControl name should be configured from jsonconfig file\n");
2817 return -1;
2818 }
2819
2820 // Request SIO_S5 GPIO events
2821 if (sioS5Config.type == ConfigType::GPIO)
2822 {
2823 if (!requestGPIOEvents(sioS5Config.lineName, sioS5Handler,
2824 sioS5Line, sioS5Event))
2825 {
2826 return -1;
2827 }
2828 }
2829 else if (sioS5Config.type == ConfigType::DBUS)
2830 {
2831 static sdbusplus::bus::match_t sioS5EventMonitor =
2832 power_control::dbusGPIOMatcher(sioS5Config, sioS5Handler);
2833 }
2834 else
2835 {
2836 lg2::error("sioS5 name should be configured from json config file");
2837 return -1;
2838 }
2839 }
2840
2841 // Request POWER_BUTTON GPIO events
2842 if (powerButtonConfig.type == ConfigType::GPIO)
2843 {
2844 if (!requestGPIOEvents(powerButtonConfig.lineName, powerButtonHandler,
2845 powerButtonLine, powerButtonEvent))
2846 {
2847 return -1;
2848 }
2849 }
2850 else if (powerButtonConfig.type == ConfigType::DBUS)
2851 {
2852 static sdbusplus::bus::match_t powerButtonEventMonitor =
2853 power_control::dbusGPIOMatcher(powerButtonConfig,
2854 powerButtonHandler);
2855 }
2856
2857 // Request RESET_BUTTON GPIO events
2858 if (resetButtonConfig.type == ConfigType::GPIO)
2859 {
2860 if (!requestGPIOEvents(resetButtonConfig.lineName, resetButtonHandler,
2861 resetButtonLine, resetButtonEvent))
2862 {
2863 return -1;
2864 }
2865 }
2866 else if (resetButtonConfig.type == ConfigType::DBUS)
2867 {
2868 static sdbusplus::bus::match_t resetButtonEventMonitor =
2869 power_control::dbusGPIOMatcher(resetButtonConfig,
2870 resetButtonHandler);
2871 }
2872
2873 // Request NMI_BUTTON GPIO events
2874 if (nmiButtonConfig.type == ConfigType::GPIO)
2875 {
2876 if (!nmiButtonConfig.lineName.empty())
2877 {
2878 requestGPIOEvents(nmiButtonConfig.lineName, nmiButtonHandler,
2879 nmiButtonLine, nmiButtonEvent);
2880 }
2881 }
2882 else if (nmiButtonConfig.type == ConfigType::DBUS)
2883 {
2884 static sdbusplus::bus::match_t nmiButtonEventMonitor =
2885 power_control::dbusGPIOMatcher(nmiButtonConfig, nmiButtonHandler);
2886 }
2887
2888 // Request ID_BUTTON GPIO events
2889 if (idButtonConfig.type == ConfigType::GPIO)
2890 {
2891 if (!idButtonConfig.lineName.empty())
2892 {
2893 requestGPIOEvents(idButtonConfig.lineName, idButtonHandler,
2894 idButtonLine, idButtonEvent);
2895 }
2896 }
2897 else if (idButtonConfig.type == ConfigType::DBUS)
2898 {
2899 static sdbusplus::bus::match_t idButtonEventMonitor =
2900 power_control::dbusGPIOMatcher(idButtonConfig, idButtonHandler);
2901 }
2902
2903 #ifdef USE_PLT_RST
2904 sdbusplus::bus::match_t pltRstMatch(
2905 *conn,
2906 "type='signal',interface='org.freedesktop.DBus.Properties',member='"
2907 "PropertiesChanged',arg0='xyz.openbmc_project.State.Host.Misc'",
2908 hostMiscHandler);
2909 #endif
2910
2911 // Request POST_COMPLETE GPIO events
2912 if (postCompleteConfig.type == ConfigType::GPIO)
2913 {
2914 if (!requestGPIOEvents(postCompleteConfig.lineName, postCompleteHandler,
2915 postCompleteLine, postCompleteEvent))
2916 {
2917 return -1;
2918 }
2919 }
2920 else if (postCompleteConfig.type == ConfigType::DBUS)
2921 {
2922 static sdbusplus::bus::match_t postCompleteEventMonitor =
2923 power_control::dbusGPIOMatcher(postCompleteConfig,
2924 postCompleteHandler);
2925 }
2926 else
2927 {
2928 lg2::error(
2929 "postComplete name should be configured from json config file");
2930 return -1;
2931 }
2932
2933 // initialize NMI_OUT GPIO.
2934 if (!nmiOutConfig.lineName.empty())
2935 {
2936 setGPIOOutput(nmiOutConfig.lineName, !nmiOutConfig.polarity,
2937 nmiOutLine);
2938 }
2939
2940 // Initialize POWER_OUT and RESET_OUT GPIO.
2941 gpiod::line line;
2942 if (!powerOutConfig.lineName.empty())
2943 {
2944 if (!setGPIOOutput(powerOutConfig.lineName, !powerOutConfig.polarity,
2945 line))
2946 {
2947 return -1;
2948 }
2949 }
2950 else
2951 {
2952 lg2::error("powerOut name should be configured from json config file");
2953 return -1;
2954 }
2955
2956 if (!resetOutConfig.lineName.empty())
2957 {
2958 if (!setGPIOOutput(resetOutConfig.lineName, !resetOutConfig.polarity,
2959 line))
2960 {
2961 return -1;
2962 }
2963 }
2964 else
2965 {
2966 lg2::error("ResetOut name should be configured from json config file");
2967 return -1;
2968 }
2969 // Release line
2970 line.reset();
2971
2972 // Initialize the power state and operating system state
2973 powerState = PowerState::off;
2974 operatingSystemState = OperatingSystemStateStage::Inactive;
2975 // Check power good
2976
2977 if (powerOkConfig.type == ConfigType::GPIO)
2978 {
2979 if (psPowerOKLine.get_value() > 0 ||
2980 (sioEnabled &&
2981 (sioPowerGoodLine.get_value() == sioPwrGoodConfig.polarity)))
2982 {
2983 powerState = PowerState::on;
2984 }
2985 }
2986 else
2987 {
2988 if (getProperty(powerOkConfig))
2989 {
2990 powerState = PowerState::on;
2991 }
2992 }
2993 // Check if we need to start the Power Restore policy
2994 if (powerState != PowerState::on)
2995 {
2996 powerRestore.run();
2997 }
2998
2999 if (nmiOutLine)
3000 nmiSourcePropertyMonitor();
3001
3002 lg2::info("Initializing power state.");
3003 logStateTransition(powerState);
3004
3005 // Power Control Service
3006 sdbusplus::asio::object_server hostServer =
3007 sdbusplus::asio::object_server(conn);
3008
3009 // Power Control Interface
3010 hostIface =
3011 hostServer.add_interface("/xyz/openbmc_project/state/host" + node,
3012 "xyz.openbmc_project.State.Host");
3013 // Interface for IPMI/Redfish initiated host state transitions
3014 hostIface->register_property(
3015 "RequestedHostTransition",
3016 std::string("xyz.openbmc_project.State.Host.Transition.Off"),
3017 [](const std::string& requested, std::string& resp) {
3018 if (requested == "xyz.openbmc_project.State.Host.Transition.Off")
3019 {
3020 // if power button is masked, ignore this
3021 if (!powerButtonMask)
3022 {
3023 sendPowerControlEvent(Event::gracefulPowerOffRequest);
3024 addRestartCause(RestartCause::command);
3025 }
3026 else
3027 {
3028 lg2::info("Power Button Masked.");
3029 throw std::invalid_argument("Transition Request Masked");
3030 return 0;
3031 }
3032 }
3033 else if (requested ==
3034 "xyz.openbmc_project.State.Host.Transition.On")
3035 {
3036 // if power button is masked, ignore this
3037 if (!powerButtonMask)
3038 {
3039 sendPowerControlEvent(Event::powerOnRequest);
3040 addRestartCause(RestartCause::command);
3041 }
3042 else
3043 {
3044 lg2::info("Power Button Masked.");
3045 throw std::invalid_argument("Transition Request Masked");
3046 return 0;
3047 }
3048 }
3049 else if (requested ==
3050 "xyz.openbmc_project.State.Host.Transition.Reboot")
3051 {
3052 // if power button is masked, ignore this
3053 if (!powerButtonMask)
3054 {
3055 sendPowerControlEvent(Event::powerCycleRequest);
3056 addRestartCause(RestartCause::command);
3057 }
3058 else
3059 {
3060 lg2::info("Power Button Masked.");
3061 throw std::invalid_argument("Transition Request Masked");
3062 return 0;
3063 }
3064 }
3065 else if (
3066 requested ==
3067 "xyz.openbmc_project.State.Host.Transition.GracefulWarmReboot")
3068 {
3069 // if reset button is masked, ignore this
3070 if (!resetButtonMask)
3071 {
3072 sendPowerControlEvent(Event::gracefulPowerCycleRequest);
3073 addRestartCause(RestartCause::command);
3074 }
3075 else
3076 {
3077 lg2::info("Reset Button Masked.");
3078 throw std::invalid_argument("Transition Request Masked");
3079 return 0;
3080 }
3081 }
3082 else if (
3083 requested ==
3084 "xyz.openbmc_project.State.Host.Transition.ForceWarmReboot")
3085 {
3086 // if reset button is masked, ignore this
3087 if (!resetButtonMask)
3088 {
3089 sendPowerControlEvent(Event::resetRequest);
3090 addRestartCause(RestartCause::command);
3091 }
3092 else
3093 {
3094 lg2::info("Reset Button Masked.");
3095 throw std::invalid_argument("Transition Request Masked");
3096 return 0;
3097 }
3098 }
3099 else
3100 {
3101 lg2::error("Unrecognized host state transition request.");
3102 throw std::invalid_argument("Unrecognized Transition Request");
3103 return 0;
3104 }
3105 resp = requested;
3106 return 1;
3107 });
3108 hostIface->register_property("CurrentHostState",
3109 std::string(getHostState(powerState)));
3110
3111 hostIface->initialize();
3112
3113 // Chassis Control Service
3114 sdbusplus::asio::object_server chassisServer =
3115 sdbusplus::asio::object_server(conn);
3116
3117 // Chassis Control Interface
3118 chassisIface =
3119 chassisServer.add_interface("/xyz/openbmc_project/state/chassis" + node,
3120 "xyz.openbmc_project.State.Chassis");
3121
3122 chassisIface->register_property(
3123 "RequestedPowerTransition",
3124 std::string("xyz.openbmc_project.State.Chassis.Transition.Off"),
3125 [](const std::string& requested, std::string& resp) {
3126 if (requested == "xyz.openbmc_project.State.Chassis.Transition.Off")
3127 {
3128 // if power button is masked, ignore this
3129 if (!powerButtonMask)
3130 {
3131 sendPowerControlEvent(Event::powerOffRequest);
3132 addRestartCause(RestartCause::command);
3133 }
3134 else
3135 {
3136 lg2::info("Power Button Masked.");
3137 throw std::invalid_argument("Transition Request Masked");
3138 return 0;
3139 }
3140 }
3141 else if (requested ==
3142 "xyz.openbmc_project.State.Chassis.Transition.On")
3143 {
3144 // if power button is masked, ignore this
3145 if (!powerButtonMask)
3146 {
3147 sendPowerControlEvent(Event::powerOnRequest);
3148 addRestartCause(RestartCause::command);
3149 }
3150 else
3151 {
3152 lg2::info("Power Button Masked.");
3153 throw std::invalid_argument("Transition Request Masked");
3154 return 0;
3155 }
3156 }
3157 else if (requested ==
3158 "xyz.openbmc_project.State.Chassis.Transition.PowerCycle")
3159 {
3160 // if power button is masked, ignore this
3161 if (!powerButtonMask)
3162 {
3163 sendPowerControlEvent(Event::powerCycleRequest);
3164 addRestartCause(RestartCause::command);
3165 }
3166 else
3167 {
3168 lg2::info("Power Button Masked.");
3169 throw std::invalid_argument("Transition Request Masked");
3170 return 0;
3171 }
3172 }
3173 else
3174 {
3175 lg2::error("Unrecognized chassis state transition request.");
3176 throw std::invalid_argument("Unrecognized Transition Request");
3177 return 0;
3178 }
3179 resp = requested;
3180 return 1;
3181 });
3182 chassisIface->register_property("CurrentPowerState",
3183 std::string(getChassisState(powerState)));
3184 chassisIface->register_property("LastStateChangeTime", getCurrentTimeMs());
3185
3186 chassisIface->initialize();
3187
3188 #ifdef CHASSIS_SYSTEM_RESET
3189 // Chassis System Service
3190 sdbusplus::asio::object_server chassisSysServer =
3191 sdbusplus::asio::object_server(conn);
3192
3193 // Chassis System Interface
3194 chassisSysIface = chassisSysServer.add_interface(
3195 "/xyz/openbmc_project/state/chassis_system0",
3196 "xyz.openbmc_project.State.Chassis");
3197
3198 chassisSysIface->register_property(
3199 "RequestedPowerTransition",
3200 std::string("xyz.openbmc_project.State.Chassis.Transition.On"),
3201 [](const std::string& requested, std::string& resp) {
3202 if (requested ==
3203 "xyz.openbmc_project.State.Chassis.Transition.PowerCycle")
3204 {
3205 systemReset();
3206 addRestartCause(RestartCause::command);
3207 }
3208 else
3209 {
3210 lg2::error(
3211 "Unrecognized chassis system state transition request.");
3212 throw std::invalid_argument("Unrecognized Transition Request");
3213 return 0;
3214 }
3215 resp = requested;
3216 return 1;
3217 });
3218 chassisSysIface->register_property(
3219 "CurrentPowerState", std::string(getChassisState(powerState)));
3220 chassisSysIface->register_property("LastStateChangeTime",
3221 getCurrentTimeMs());
3222
3223 chassisSysIface->initialize();
3224
3225 if (!slotPowerConfig.lineName.empty())
3226 {
3227 if (!setGPIOOutput(slotPowerConfig.lineName, 1, slotPowerLine))
3228 {
3229 return -1;
3230 }
3231
3232 slotPowerState = SlotPowerState::off;
3233 if (slotPowerLine.get_value() > 0)
3234 {
3235 slotPowerState = SlotPowerState::on;
3236 }
3237
3238 chassisSlotIface = chassisSysServer.add_interface(
3239 "/xyz/openbmc_project/state/chassis_system" + node,
3240 "xyz.openbmc_project.State.Chassis");
3241 chassisSlotIface->register_property(
3242 "RequestedPowerTransition",
3243 std::string("xyz.openbmc_project.State.Chassis.Transition.On"),
3244 [](const std::string& requested, std::string& resp) {
3245 if (requested ==
3246 "xyz.openbmc_project.State.Chassis.Transition.On")
3247 {
3248 slotPowerOn();
3249 }
3250 else if (requested ==
3251 "xyz.openbmc_project.State.Chassis.Transition.Off")
3252 {
3253 slotPowerOff();
3254 }
3255 else if (
3256 requested ==
3257 "xyz.openbmc_project.State.Chassis.Transition.PowerCycle")
3258 {
3259 slotPowerCycle();
3260 }
3261 else
3262 {
3263 lg2::error(
3264 "Unrecognized chassis system state transition request.\n");
3265 throw std::invalid_argument(
3266 "Unrecognized Transition Request");
3267 return 0;
3268 }
3269 resp = requested;
3270 return 1;
3271 });
3272 chassisSlotIface->register_property(
3273 "CurrentPowerState", std::string(getSlotState(slotPowerState)));
3274 chassisSlotIface->register_property("LastStateChangeTime",
3275 getCurrentTimeMs());
3276 chassisSlotIface->initialize();
3277 }
3278 #endif
3279 // Buttons Service
3280 sdbusplus::asio::object_server buttonsServer =
3281 sdbusplus::asio::object_server(conn);
3282
3283 if (!powerButtonConfig.lineName.empty())
3284 {
3285 // Power Button Interface
3286 power_control::powerButtonIface = buttonsServer.add_interface(
3287 "/xyz/openbmc_project/chassis/buttons/power",
3288 "xyz.openbmc_project.Chassis.Buttons");
3289
3290 powerButtonIface->register_property(
3291 "ButtonMasked", false, [](const bool requested, bool& current) {
3292 if (requested)
3293 {
3294 if (powerButtonMask)
3295 {
3296 return 1;
3297 }
3298 if (!setGPIOOutput(powerOutConfig.lineName,
3299 !powerOutConfig.polarity,
3300 powerButtonMask))
3301 {
3302 throw std::runtime_error("Failed to request GPIO");
3303 return 0;
3304 }
3305 lg2::info("Power Button Masked.");
3306 }
3307 else
3308 {
3309 if (!powerButtonMask)
3310 {
3311 return 1;
3312 }
3313 lg2::info("Power Button Un-masked");
3314 powerButtonMask.reset();
3315 }
3316 // Update the mask setting
3317 current = requested;
3318 return 1;
3319 });
3320
3321 // Check power button state
3322 bool powerButtonPressed;
3323 if (powerButtonConfig.type == ConfigType::GPIO)
3324 {
3325 powerButtonPressed = powerButtonLine.get_value() == 0;
3326 }
3327 else
3328 {
3329 powerButtonPressed = getProperty(powerButtonConfig) == 0;
3330 }
3331
3332 powerButtonIface->register_property("ButtonPressed",
3333 powerButtonPressed);
3334
3335 powerButtonIface->initialize();
3336 }
3337
3338 if (!resetButtonConfig.lineName.empty())
3339 {
3340 // Reset Button Interface
3341
3342 resetButtonIface = buttonsServer.add_interface(
3343 "/xyz/openbmc_project/chassis/buttons/reset",
3344 "xyz.openbmc_project.Chassis.Buttons");
3345
3346 resetButtonIface->register_property(
3347 "ButtonMasked", false, [](const bool requested, bool& current) {
3348 if (requested)
3349 {
3350 if (resetButtonMask)
3351 {
3352 return 1;
3353 }
3354 if (!setGPIOOutput(resetOutConfig.lineName,
3355 !resetOutConfig.polarity,
3356 resetButtonMask))
3357 {
3358 throw std::runtime_error("Failed to request GPIO");
3359 return 0;
3360 }
3361 lg2::info("Reset Button Masked.");
3362 }
3363 else
3364 {
3365 if (!resetButtonMask)
3366 {
3367 return 1;
3368 }
3369 lg2::info("Reset Button Un-masked");
3370 resetButtonMask.reset();
3371 }
3372 // Update the mask setting
3373 current = requested;
3374 return 1;
3375 });
3376
3377 // Check reset button state
3378 bool resetButtonPressed;
3379 if (resetButtonConfig.type == ConfigType::GPIO)
3380 {
3381 resetButtonPressed = resetButtonLine.get_value() == 0;
3382 }
3383 else
3384 {
3385 resetButtonPressed = getProperty(resetButtonConfig) == 0;
3386 }
3387
3388 resetButtonIface->register_property("ButtonPressed",
3389 resetButtonPressed);
3390
3391 resetButtonIface->initialize();
3392 }
3393
3394 if (nmiButtonLine)
3395 {
3396 // NMI Button Interface
3397 nmiButtonIface = buttonsServer.add_interface(
3398 "/xyz/openbmc_project/chassis/buttons/nmi",
3399 "xyz.openbmc_project.Chassis.Buttons");
3400
3401 nmiButtonIface->register_property(
3402 "ButtonMasked", false, [](const bool requested, bool& current) {
3403 if (nmiButtonMasked == requested)
3404 {
3405 // NMI button mask is already set as requested, so no change
3406 return 1;
3407 }
3408 if (requested)
3409 {
3410 lg2::info("NMI Button Masked.");
3411 nmiButtonMasked = true;
3412 }
3413 else
3414 {
3415 lg2::info("NMI Button Un-masked.");
3416 nmiButtonMasked = false;
3417 }
3418 // Update the mask setting
3419 current = nmiButtonMasked;
3420 return 1;
3421 });
3422
3423 // Check NMI button state
3424 bool nmiButtonPressed;
3425 if (nmiButtonConfig.type == ConfigType::GPIO)
3426 {
3427 nmiButtonPressed = nmiButtonLine.get_value() == 0;
3428 }
3429 else
3430 {
3431 nmiButtonPressed = getProperty(nmiButtonConfig) == 0;
3432 }
3433
3434 nmiButtonIface->register_property("ButtonPressed", nmiButtonPressed);
3435
3436 nmiButtonIface->initialize();
3437 }
3438
3439 if (nmiOutLine)
3440 {
3441 // NMI out Service
3442 sdbusplus::asio::object_server nmiOutServer =
3443 sdbusplus::asio::object_server(conn);
3444
3445 // NMI out Interface
3446 nmiOutIface = nmiOutServer.add_interface(
3447 "/xyz/openbmc_project/control/host" + node + "/nmi",
3448 "xyz.openbmc_project.Control.Host.NMI");
3449 nmiOutIface->register_method("NMI", nmiReset);
3450 nmiOutIface->initialize();
3451 }
3452
3453 if (idButtonLine)
3454 {
3455 // ID Button Interface
3456 idButtonIface = buttonsServer.add_interface(
3457 "/xyz/openbmc_project/chassis/buttons/id",
3458 "xyz.openbmc_project.Chassis.Buttons");
3459
3460 // Check ID button state
3461 bool idButtonPressed;
3462 if (idButtonConfig.type == ConfigType::GPIO)
3463 {
3464 idButtonPressed = idButtonLine.get_value() == 0;
3465 }
3466 else
3467 {
3468 idButtonPressed = getProperty(idButtonConfig) == 0;
3469 }
3470
3471 idButtonIface->register_property("ButtonPressed", idButtonPressed);
3472
3473 idButtonIface->initialize();
3474 }
3475
3476 // OS State Service
3477 sdbusplus::asio::object_server osServer =
3478 sdbusplus::asio::object_server(conn);
3479
3480 // OS State Interface
3481 osIface = osServer.add_interface(
3482 "/xyz/openbmc_project/state/host" + node,
3483 "xyz.openbmc_project.State.OperatingSystem.Status");
3484
3485 // Get the initial OS state based on POST complete
3486 // 0: Asserted, OS state is "Standby" (ready to boot)
3487 // 1: De-Asserted, OS state is "Inactive"
3488 OperatingSystemStateStage osState;
3489 if (postCompleteConfig.type == ConfigType::GPIO)
3490 {
3491 osState = postCompleteLine.get_value() > 0
3492 ? OperatingSystemStateStage::Inactive
3493 : OperatingSystemStateStage::Standby;
3494 }
3495 else
3496 {
3497 osState = getProperty(postCompleteConfig) > 0
3498 ? OperatingSystemStateStage::Inactive
3499 : OperatingSystemStateStage::Standby;
3500 }
3501
3502 osIface->register_property(
3503 "OperatingSystemState",
3504 std::string(getOperatingSystemStateStage(osState)));
3505
3506 osIface->initialize();
3507
3508 // Restart Cause Service
3509 sdbusplus::asio::object_server restartCauseServer =
3510 sdbusplus::asio::object_server(conn);
3511
3512 // Restart Cause Interface
3513 restartCauseIface = restartCauseServer.add_interface(
3514 "/xyz/openbmc_project/control/host" + node + "/restart_cause",
3515 "xyz.openbmc_project.Control.Host.RestartCause");
3516
3517 restartCauseIface->register_property(
3518 "RestartCause",
3519 std::string("xyz.openbmc_project.State.Host.RestartCause.Unknown"));
3520
3521 restartCauseIface->register_property(
3522 "RequestedRestartCause",
3523 std::string("xyz.openbmc_project.State.Host.RestartCause.Unknown"),
3524 [](const std::string& requested, std::string& resp) {
3525 if (requested ==
3526 "xyz.openbmc_project.State.Host.RestartCause.WatchdogTimer")
3527 {
3528 addRestartCause(RestartCause::watchdog);
3529 }
3530 else
3531 {
3532 throw std::invalid_argument(
3533 "Unrecognized RestartCause Request");
3534 return 0;
3535 }
3536
3537 lg2::info("RestartCause requested: {RESTART_CAUSE}",
3538 "RESTART_CAUSE", requested);
3539 resp = requested;
3540 return 1;
3541 });
3542
3543 restartCauseIface->initialize();
3544
3545 currentHostStateMonitor();
3546
3547 if (!hpmStbyEnConfig.lineName.empty())
3548 {
3549 // Set to indicate BMC's power control module is ready to take
3550 // the inputs [PWR_GOOD] from the HPM FPGA
3551 gpiod::line hpmLine;
3552 if (!setGPIOOutput(hpmStbyEnConfig.lineName, hpmStbyEnConfig.polarity,
3553 hpmLine))
3554 {
3555 return -1;
3556 }
3557 }
3558
3559 io.run();
3560
3561 return 0;
3562 }
3563