1 /** 2 * Copyright © 2017 IBM 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_supply.hpp" 17 18 #include "elog-errors.hpp" 19 #include "gpio.hpp" 20 #include "names_values.hpp" 21 #include "pmbus.hpp" 22 #include "utility.hpp" 23 24 #include <functional> 25 #include <org/open_power/Witherspoon/Fault/error.hpp> 26 #include <phosphor-logging/elog.hpp> 27 #include <phosphor-logging/log.hpp> 28 #include <xyz/openbmc_project/Common/Device/error.hpp> 29 #include <xyz/openbmc_project/Software/Version/server.hpp> 30 31 namespace witherspoon 32 { 33 namespace power 34 { 35 namespace psu 36 { 37 38 using namespace phosphor::logging; 39 using namespace sdbusplus::org::open_power::Witherspoon::Fault::Error; 40 using namespace sdbusplus::xyz::openbmc_project::Common::Device::Error; 41 namespace version = sdbusplus::xyz::openbmc_project::Software::server; 42 43 constexpr auto ASSOCIATION_IFACE = "xyz.openbmc_project.Association"; 44 constexpr auto LOGGING_IFACE = "xyz.openbmc_project.Logging.Entry"; 45 constexpr auto INVENTORY_IFACE = "xyz.openbmc_project.Inventory.Item"; 46 constexpr auto POWER_IFACE = "org.openbmc.control.Power"; 47 constexpr auto INVENTORY_MGR_IFACE = "xyz.openbmc_project.Inventory.Manager"; 48 constexpr auto ASSET_IFACE = "xyz.openbmc_project.Inventory.Decorator.Asset"; 49 constexpr auto VERSION_IFACE = "xyz.openbmc_project.Software.Version"; 50 51 constexpr auto ENDPOINTS_PROP = "endpoints"; 52 constexpr auto MESSAGE_PROP = "Message"; 53 constexpr auto RESOLVED_PROP = "Resolved"; 54 constexpr auto PRESENT_PROP = "Present"; 55 constexpr auto SN_PROP = "SerialNumber"; 56 constexpr auto PN_PROP = "PartNumber"; 57 constexpr auto MODEL_PROP = "Model"; 58 constexpr auto VERSION_PROP = "Version"; 59 constexpr auto VERSION_PURPOSE_PROP = "Purpose"; 60 61 constexpr auto INVENTORY_OBJ_PATH = "/xyz/openbmc_project/inventory"; 62 constexpr auto POWER_OBJ_PATH = "/org/openbmc/control/power0"; 63 64 constexpr auto SERIAL_NUMBER = "serial_number"; 65 constexpr auto PART_NUMBER = "part_number"; 66 constexpr auto FW_VERSION = "fw_version"; 67 constexpr auto CCIN = "ccin"; 68 constexpr auto INPUT_HISTORY = "input_history"; 69 70 PowerSupply::PowerSupply(const std::string& name, size_t inst, 71 const std::string& objpath, const std::string& invpath, 72 sdbusplus::bus::bus& bus, const sdeventplus::Event& e, 73 std::chrono::seconds& t, std::chrono::seconds& p) : 74 Device(name, inst), 75 monitorPath(objpath), pmbusIntf(objpath), 76 inventoryPath(INVENTORY_OBJ_PATH + invpath), bus(bus), presentInterval(p), 77 presentTimer(e, std::bind([this]() { 78 // The hwmon path may have changed. 79 pmbusIntf.findHwmonDir(); 80 this->present = true; 81 82 // Sync the INPUT_HISTORY data for all PSs 83 syncHistory(); 84 85 // Update the inventory for the new device 86 updateInventory(); 87 })), 88 powerOnInterval(t), 89 powerOnTimer(e, std::bind([this]() { this->powerOn = true; })) 90 { 91 using namespace sdbusplus::bus; 92 using namespace witherspoon::pmbus; 93 std::uint16_t statusWord = 0; 94 try 95 { 96 // Read the 2 byte STATUS_WORD value to check for faults. 97 statusWord = pmbusIntf.read(STATUS_WORD, Type::Debug); 98 if (!((statusWord & status_word::INPUT_FAULT_WARN) || 99 (statusWord & status_word::VIN_UV_FAULT))) 100 { 101 resolveError(inventoryPath, 102 std::string(PowerSupplyInputFault::errName)); 103 } 104 } 105 catch (ReadFailure& e) 106 { 107 log<level::INFO>("Unable to read the 2 byte STATUS_WORD value to check " 108 "for power-supply input faults."); 109 } 110 presentMatch = std::make_unique<match_t>( 111 bus, match::rules::propertiesChanged(inventoryPath, INVENTORY_IFACE), 112 [this](auto& msg) { this->inventoryChanged(msg); }); 113 // Get initial presence state. 114 updatePresence(); 115 116 // Write the SN, PN, etc to the inventory 117 updateInventory(); 118 119 // Subscribe to power state changes 120 powerOnMatch = std::make_unique<match_t>( 121 bus, match::rules::propertiesChanged(POWER_OBJ_PATH, POWER_IFACE), 122 [this](auto& msg) { this->powerStateChanged(msg); }); 123 // Get initial power state. 124 updatePowerState(); 125 } 126 127 void PowerSupply::captureCmd(util::NamesValues& nv, const std::string& cmd, 128 witherspoon::pmbus::Type type) 129 { 130 if (pmbusIntf.exists(cmd, type)) 131 { 132 try 133 { 134 auto val = pmbusIntf.read(cmd, type); 135 nv.add(cmd, val); 136 } 137 catch (std::exception& e) 138 { 139 log<level::INFO>("Unable to capture metadata", 140 entry("CMD=%s", cmd.c_str())); 141 } 142 } 143 } 144 145 void PowerSupply::analyze() 146 { 147 using namespace witherspoon::pmbus; 148 149 try 150 { 151 if (present) 152 { 153 std::uint16_t statusWord = 0; 154 155 // Read the 2 byte STATUS_WORD value to check for faults. 156 statusWord = pmbusIntf.read(STATUS_WORD, Type::Debug); 157 readFail = 0; 158 159 checkInputFault(statusWord); 160 161 if (powerOn && (inputFault == 0) && !faultFound) 162 { 163 checkFanFault(statusWord); 164 checkTemperatureFault(statusWord); 165 checkOutputOvervoltageFault(statusWord); 166 checkCurrentOutOverCurrentFault(statusWord); 167 checkPGOrUnitOffFault(statusWord); 168 } 169 170 updateHistory(); 171 } 172 } 173 catch (ReadFailure& e) 174 { 175 if (readFail < FAULT_COUNT) 176 { 177 readFail++; 178 } 179 180 if (!readFailLogged && readFail >= FAULT_COUNT) 181 { 182 commit<ReadFailure>(); 183 readFailLogged = true; 184 } 185 } 186 187 return; 188 } 189 190 void PowerSupply::inventoryChanged(sdbusplus::message::message& msg) 191 { 192 std::string msgSensor; 193 std::map<std::string, sdbusplus::message::variant<uint32_t, bool>> msgData; 194 msg.read(msgSensor, msgData); 195 196 // Check if it was the Present property that changed. 197 auto valPropMap = msgData.find(PRESENT_PROP); 198 if (valPropMap != msgData.end()) 199 { 200 if (sdbusplus::message::variant_ns::get<bool>(valPropMap->second)) 201 { 202 clearFaults(); 203 presentTimer.restartOnce(presentInterval); 204 } 205 else 206 { 207 present = false; 208 presentTimer.setEnabled(false); 209 210 // Clear out the now outdated inventory properties 211 updateInventory(); 212 } 213 } 214 215 return; 216 } 217 218 void PowerSupply::updatePresence() 219 { 220 // Use getProperty utility function to get presence status. 221 std::string service = "xyz.openbmc_project.Inventory.Manager"; 222 util::getProperty(INVENTORY_IFACE, PRESENT_PROP, inventoryPath, service, 223 bus, this->present); 224 } 225 226 void PowerSupply::powerStateChanged(sdbusplus::message::message& msg) 227 { 228 int32_t state = 0; 229 std::string msgSensor; 230 std::map<std::string, sdbusplus::message::variant<int32_t>> msgData; 231 msg.read(msgSensor, msgData); 232 233 // Check if it was the Present property that changed. 234 auto valPropMap = msgData.find("state"); 235 if (valPropMap != msgData.end()) 236 { 237 state = 238 sdbusplus::message::variant_ns::get<int32_t>(valPropMap->second); 239 240 // Power is on when state=1. Set the fault logged variables to false 241 // and start the power on timer when the state changes to 1. 242 if (state) 243 { 244 clearFaults(); 245 powerOnTimer.restartOnce(powerOnInterval); 246 } 247 else 248 { 249 powerOnTimer.setEnabled(false); 250 powerOn = false; 251 } 252 } 253 } 254 255 void PowerSupply::updatePowerState() 256 { 257 // When state = 1, system is powered on 258 int32_t state = 0; 259 260 try 261 { 262 auto service = util::getService(POWER_OBJ_PATH, POWER_IFACE, bus); 263 264 // Use getProperty utility function to get power state. 265 util::getProperty<int32_t>(POWER_IFACE, "state", POWER_OBJ_PATH, 266 service, bus, state); 267 268 if (state) 269 { 270 powerOn = true; 271 } 272 else 273 { 274 powerOn = false; 275 } 276 } 277 catch (std::exception& e) 278 { 279 log<level::INFO>("Failed to get power state. Assuming it is off."); 280 powerOn = false; 281 } 282 } 283 284 void PowerSupply::checkInputFault(const uint16_t statusWord) 285 { 286 using namespace witherspoon::pmbus; 287 288 if ((inputFault < FAULT_COUNT) && 289 ((statusWord & status_word::INPUT_FAULT_WARN) || 290 (statusWord & status_word::VIN_UV_FAULT))) 291 { 292 if (inputFault == 0) 293 { 294 log<level::INFO>("INPUT or VIN_UV fault", 295 entry("STATUS_WORD=0x%04X", statusWord)); 296 } 297 298 inputFault++; 299 } 300 else 301 { 302 if ((inputFault > 0) && !(statusWord & status_word::INPUT_FAULT_WARN) && 303 !(statusWord & status_word::VIN_UV_FAULT)) 304 { 305 inputFault = 0; 306 faultFound = false; 307 // When an input fault occurs, the power supply cannot be on. 308 // However, the check for the case where the power supply should be 309 // on will stop when there is a fault found. 310 // Clear the powerOnFault when the inputFault is cleared to reset 311 // the powerOnFault de-glitching. 312 powerOnFault = 0; 313 314 log<level::INFO>("INPUT_FAULT_WARN cleared", 315 entry("POWERSUPPLY=%s", inventoryPath.c_str())); 316 317 resolveError(inventoryPath, 318 std::string(PowerSupplyInputFault::errName)); 319 320 if (powerOn) 321 { 322 // The power supply will not be immediately powered on after 323 // the input power is restored. 324 powerOn = false; 325 // Start up the timer that will set the state to indicate we 326 // are ready for the powered on fault checks. 327 powerOnTimer.restartOnce(powerOnInterval); 328 } 329 } 330 } 331 332 if (!faultFound && (inputFault >= FAULT_COUNT)) 333 { 334 // If the power is on, report the fault in an error log entry. 335 if (powerOn) 336 { 337 util::NamesValues nv; 338 nv.add("STATUS_WORD", statusWord); 339 captureCmd(nv, STATUS_INPUT, Type::Debug); 340 341 using metadata = 342 org::open_power::Witherspoon::Fault::PowerSupplyInputFault; 343 344 report<PowerSupplyInputFault>( 345 metadata::RAW_STATUS(nv.get().c_str()), 346 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 347 348 faultFound = true; 349 } 350 } 351 } 352 353 void PowerSupply::checkPGOrUnitOffFault(const uint16_t statusWord) 354 { 355 using namespace witherspoon::pmbus; 356 357 if (powerOnFault < FAULT_COUNT) 358 { 359 // Check PG# and UNIT_IS_OFF 360 if ((statusWord & status_word::POWER_GOOD_NEGATED) || 361 (statusWord & status_word::UNIT_IS_OFF)) 362 { 363 log<level::INFO>("PGOOD or UNIT_IS_OFF bit bad", 364 entry("STATUS_WORD=0x%04X", statusWord)); 365 powerOnFault++; 366 } 367 else 368 { 369 if (powerOnFault > 0) 370 { 371 log<level::INFO>("PGOOD and UNIT_IS_OFF bits good"); 372 powerOnFault = 0; 373 } 374 } 375 376 if (!faultFound && (powerOnFault >= FAULT_COUNT)) 377 { 378 faultFound = true; 379 380 util::NamesValues nv; 381 nv.add("STATUS_WORD", statusWord); 382 captureCmd(nv, STATUS_INPUT, Type::Debug); 383 auto status0Vout = pmbusIntf.insertPageNum(STATUS_VOUT, 0); 384 captureCmd(nv, status0Vout, Type::Debug); 385 captureCmd(nv, STATUS_IOUT, Type::Debug); 386 captureCmd(nv, STATUS_MFR, Type::Debug); 387 388 using metadata = 389 org::open_power::Witherspoon::Fault::PowerSupplyShouldBeOn; 390 391 // A power supply is OFF (or pgood low) but should be on. 392 report<PowerSupplyShouldBeOn>( 393 metadata::RAW_STATUS(nv.get().c_str()), 394 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 395 } 396 } 397 } 398 399 void PowerSupply::checkCurrentOutOverCurrentFault(const uint16_t statusWord) 400 { 401 using namespace witherspoon::pmbus; 402 403 if (outputOCFault < FAULT_COUNT) 404 { 405 // Check for an output overcurrent fault. 406 if ((statusWord & status_word::IOUT_OC_FAULT)) 407 { 408 outputOCFault++; 409 } 410 else 411 { 412 if (outputOCFault > 0) 413 { 414 outputOCFault = 0; 415 } 416 } 417 418 if (!faultFound && (outputOCFault >= FAULT_COUNT)) 419 { 420 util::NamesValues nv; 421 nv.add("STATUS_WORD", statusWord); 422 captureCmd(nv, STATUS_INPUT, Type::Debug); 423 auto status0Vout = pmbusIntf.insertPageNum(STATUS_VOUT, 0); 424 captureCmd(nv, status0Vout, Type::Debug); 425 captureCmd(nv, STATUS_IOUT, Type::Debug); 426 captureCmd(nv, STATUS_MFR, Type::Debug); 427 428 using metadata = org::open_power::Witherspoon::Fault:: 429 PowerSupplyOutputOvercurrent; 430 431 report<PowerSupplyOutputOvercurrent>( 432 metadata::RAW_STATUS(nv.get().c_str()), 433 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 434 435 faultFound = true; 436 } 437 } 438 } 439 440 void PowerSupply::checkOutputOvervoltageFault(const uint16_t statusWord) 441 { 442 using namespace witherspoon::pmbus; 443 444 if (outputOVFault < FAULT_COUNT) 445 { 446 // Check for an output overvoltage fault. 447 if (statusWord & status_word::VOUT_OV_FAULT) 448 { 449 outputOVFault++; 450 } 451 else 452 { 453 if (outputOVFault > 0) 454 { 455 outputOVFault = 0; 456 } 457 } 458 459 if (!faultFound && (outputOVFault >= FAULT_COUNT)) 460 { 461 util::NamesValues nv; 462 nv.add("STATUS_WORD", statusWord); 463 captureCmd(nv, STATUS_INPUT, Type::Debug); 464 auto status0Vout = pmbusIntf.insertPageNum(STATUS_VOUT, 0); 465 captureCmd(nv, status0Vout, Type::Debug); 466 captureCmd(nv, STATUS_IOUT, Type::Debug); 467 captureCmd(nv, STATUS_MFR, Type::Debug); 468 469 using metadata = org::open_power::Witherspoon::Fault:: 470 PowerSupplyOutputOvervoltage; 471 472 report<PowerSupplyOutputOvervoltage>( 473 metadata::RAW_STATUS(nv.get().c_str()), 474 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 475 476 faultFound = true; 477 } 478 } 479 } 480 481 void PowerSupply::checkFanFault(const uint16_t statusWord) 482 { 483 using namespace witherspoon::pmbus; 484 485 if (fanFault < FAULT_COUNT) 486 { 487 // Check for a fan fault or warning condition 488 if (statusWord & status_word::FAN_FAULT) 489 { 490 fanFault++; 491 } 492 else 493 { 494 if (fanFault > 0) 495 { 496 fanFault = 0; 497 } 498 } 499 500 if (!faultFound && (fanFault >= FAULT_COUNT)) 501 { 502 util::NamesValues nv; 503 nv.add("STATUS_WORD", statusWord); 504 captureCmd(nv, STATUS_MFR, Type::Debug); 505 captureCmd(nv, STATUS_TEMPERATURE, Type::Debug); 506 captureCmd(nv, STATUS_FANS_1_2, Type::Debug); 507 508 using metadata = 509 org::open_power::Witherspoon::Fault::PowerSupplyFanFault; 510 511 report<PowerSupplyFanFault>( 512 metadata::RAW_STATUS(nv.get().c_str()), 513 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 514 515 faultFound = true; 516 } 517 } 518 } 519 520 void PowerSupply::checkTemperatureFault(const uint16_t statusWord) 521 { 522 using namespace witherspoon::pmbus; 523 524 // Due to how the PMBus core device driver sends a clear faults command 525 // the bit in STATUS_WORD will likely be cleared when we attempt to examine 526 // it for a Thermal Fault or Warning. So, check the STATUS_WORD and the 527 // STATUS_TEMPERATURE bits. If either indicates a fault, proceed with 528 // logging the over-temperature condition. 529 std::uint8_t statusTemperature = 0; 530 statusTemperature = pmbusIntf.read(STATUS_TEMPERATURE, Type::Debug); 531 if (temperatureFault < FAULT_COUNT) 532 { 533 if ((statusWord & status_word::TEMPERATURE_FAULT_WARN) || 534 (statusTemperature & status_temperature::OT_FAULT)) 535 { 536 temperatureFault++; 537 } 538 else 539 { 540 if (temperatureFault > 0) 541 { 542 temperatureFault = 0; 543 } 544 } 545 546 if (!faultFound && (temperatureFault >= FAULT_COUNT)) 547 { 548 // The power supply has had an over-temperature condition. 549 // This may not result in a shutdown if experienced for a short 550 // duration. 551 // This should not occur under normal conditions. 552 // The power supply may be faulty, or the paired supply may be 553 // putting out less current. 554 // Capture command responses with potentially relevant information, 555 // and call out the power supply reporting the condition. 556 util::NamesValues nv; 557 nv.add("STATUS_WORD", statusWord); 558 captureCmd(nv, STATUS_MFR, Type::Debug); 559 captureCmd(nv, STATUS_IOUT, Type::Debug); 560 nv.add("STATUS_TEMPERATURE", statusTemperature); 561 captureCmd(nv, STATUS_FANS_1_2, Type::Debug); 562 563 using metadata = org::open_power::Witherspoon::Fault:: 564 PowerSupplyTemperatureFault; 565 566 report<PowerSupplyTemperatureFault>( 567 metadata::RAW_STATUS(nv.get().c_str()), 568 metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str())); 569 570 faultFound = true; 571 } 572 } 573 } 574 575 void PowerSupply::clearFaults() 576 { 577 readFail = 0; 578 readFailLogged = false; 579 inputFault = 0; 580 powerOnFault = 0; 581 outputOCFault = 0; 582 outputOVFault = 0; 583 fanFault = 0; 584 temperatureFault = 0; 585 faultFound = false; 586 587 return; 588 } 589 590 void PowerSupply::resolveError(const std::string& callout, 591 const std::string& message) 592 { 593 using EndpointList = std::vector<std::string>; 594 595 try 596 { 597 auto path = callout + "/fault"; 598 // Get the service name from the mapper for the fault callout 599 auto service = util::getService(path, ASSOCIATION_IFACE, bus); 600 601 // Use getProperty utility function to get log entries (endpoints) 602 EndpointList logEntries; 603 util::getProperty(ASSOCIATION_IFACE, ENDPOINTS_PROP, path, service, bus, 604 logEntries); 605 606 // It is possible that all such entries for this callout have since 607 // been deleted. 608 if (logEntries.empty()) 609 { 610 return; 611 } 612 613 auto logEntryService = 614 util::getService(logEntries[0], LOGGING_IFACE, bus); 615 if (logEntryService.empty()) 616 { 617 return; 618 } 619 620 // go through each log entry that matches this callout path 621 std::string logMessage; 622 for (const auto& logEntry : logEntries) 623 { 624 // Check to see if this logEntry has a message that matches. 625 util::getProperty(LOGGING_IFACE, MESSAGE_PROP, logEntry, 626 logEntryService, bus, logMessage); 627 628 if (message == logMessage) 629 { 630 // Log entry matches call out and message, set Resolved to true 631 bool resolved = true; 632 util::setProperty(LOGGING_IFACE, RESOLVED_PROP, logEntry, 633 logEntryService, bus, resolved); 634 } 635 } 636 } 637 catch (std::exception& e) 638 { 639 log<level::INFO>("Failed to resolve error", 640 entry("CALLOUT=%s", callout.c_str()), 641 entry("ERROR=%s", message.c_str())); 642 } 643 } 644 645 void PowerSupply::updateInventory() 646 { 647 using namespace witherspoon::pmbus; 648 using namespace sdbusplus::message; 649 650 // If any of these accesses fail, the fields will just be 651 // blank in the inventory. Leave logging ReadFailure errors 652 // to analyze() as it runs continuously and will most 653 // likely hit and threshold them first anyway. The 654 // readString() function will do the tracing of the failing 655 // path so this code doesn't need to. 656 std::string pn; 657 std::string sn; 658 std::string ccin; 659 std::string version; 660 661 if (present) 662 { 663 try 664 { 665 sn = pmbusIntf.readString(SERIAL_NUMBER, Type::HwmonDeviceDebug); 666 } 667 catch (ReadFailure& e) 668 { 669 } 670 671 try 672 { 673 pn = pmbusIntf.readString(PART_NUMBER, Type::HwmonDeviceDebug); 674 } 675 catch (ReadFailure& e) 676 { 677 } 678 679 try 680 { 681 ccin = pmbusIntf.readString(CCIN, Type::HwmonDeviceDebug); 682 } 683 catch (ReadFailure& e) 684 { 685 } 686 687 try 688 { 689 version = pmbusIntf.readString(FW_VERSION, Type::HwmonDeviceDebug); 690 } 691 catch (ReadFailure& e) 692 { 693 } 694 } 695 696 // Build the object map and send it to the inventory 697 using Properties = std::map<std::string, variant<std::string>>; 698 using Interfaces = std::map<std::string, Properties>; 699 using Object = std::map<object_path, Interfaces>; 700 Properties assetProps; 701 Properties versionProps; 702 Interfaces interfaces; 703 Object object; 704 705 assetProps.emplace(SN_PROP, sn); 706 assetProps.emplace(PN_PROP, pn); 707 assetProps.emplace(MODEL_PROP, ccin); 708 interfaces.emplace(ASSET_IFACE, std::move(assetProps)); 709 710 versionProps.emplace(VERSION_PROP, version); 711 interfaces.emplace(VERSION_IFACE, std::move(versionProps)); 712 713 // For Notify(), just send the relative path of the inventory 714 // object so remove the INVENTORY_OBJ_PATH prefix 715 auto path = inventoryPath.substr(strlen(INVENTORY_OBJ_PATH)); 716 717 object.emplace(path, std::move(interfaces)); 718 719 try 720 { 721 auto service = 722 util::getService(INVENTORY_OBJ_PATH, INVENTORY_MGR_IFACE, bus); 723 724 if (service.empty()) 725 { 726 log<level::ERR>("Unable to get inventory manager service"); 727 return; 728 } 729 730 auto method = bus.new_method_call(service.c_str(), INVENTORY_OBJ_PATH, 731 INVENTORY_MGR_IFACE, "Notify"); 732 733 method.append(std::move(object)); 734 735 auto reply = bus.call(method); 736 737 // TODO: openbmc/openbmc#2756 738 // Calling Notify() with an enumerated property crashes inventory 739 // manager, so let it default to Unknown and now set it to the 740 // right value. 741 auto purpose = 742 version::convertForMessage(version::Version::VersionPurpose::Other); 743 744 util::setProperty(VERSION_IFACE, VERSION_PURPOSE_PROP, inventoryPath, 745 service, bus, purpose); 746 } 747 catch (std::exception& e) 748 { 749 log<level::ERR>(e.what(), entry("PATH=%s", inventoryPath.c_str())); 750 } 751 } 752 753 void PowerSupply::syncHistory() 754 { 755 using namespace witherspoon::gpio; 756 757 if (syncGPIODevPath.empty()) 758 { 759 // Sync not implemented 760 return; 761 } 762 763 GPIO gpio{syncGPIODevPath, static_cast<gpioNum_t>(syncGPIONumber), 764 Direction::output}; 765 766 try 767 { 768 gpio.set(Value::low); 769 770 std::this_thread::sleep_for(std::chrono::milliseconds{5}); 771 772 gpio.set(Value::high); 773 774 recordManager->clear(); 775 } 776 catch (std::exception& e) 777 { 778 // Do nothing. There would already be a journal entry. 779 } 780 } 781 782 void PowerSupply::enableHistory(const std::string& objectPath, 783 size_t numRecords, 784 const std::string& syncGPIOPath, 785 size_t syncGPIONum) 786 { 787 historyObjectPath = objectPath; 788 syncGPIODevPath = syncGPIOPath; 789 syncGPIONumber = syncGPIONum; 790 791 recordManager = std::make_unique<history::RecordManager>(numRecords); 792 793 auto avgPath = historyObjectPath + '/' + history::Average::name; 794 auto maxPath = historyObjectPath + '/' + history::Maximum::name; 795 796 average = std::make_unique<history::Average>(bus, avgPath); 797 798 maximum = std::make_unique<history::Maximum>(bus, maxPath); 799 } 800 801 void PowerSupply::updateHistory() 802 { 803 if (!recordManager) 804 { 805 // Not enabled 806 return; 807 } 808 809 // Read just the most recent average/max record 810 auto data = 811 pmbusIntf.readBinary(INPUT_HISTORY, pmbus::Type::HwmonDeviceDebug, 812 history::RecordManager::RAW_RECORD_SIZE); 813 814 // Update D-Bus only if something changed (a new record ID, or cleared out) 815 auto changed = recordManager->add(data); 816 if (changed) 817 { 818 average->values(std::move(recordManager->getAverageRecords())); 819 maximum->values(std::move(recordManager->getMaximumRecords())); 820 } 821 } 822 823 } // namespace psu 824 } // namespace power 825 } // namespace witherspoon 826