1 /**
2 * Copyright © 2019 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
17 #include "data_interface.hpp"
18
19 #include "util.hpp"
20
21 #include <phosphor-logging/lg2.hpp>
22 #include <xyz/openbmc_project/State/BMC/server.hpp>
23 #include <xyz/openbmc_project/State/Boot/Progress/server.hpp>
24
25 #include <filesystem>
26
27 #ifdef PEL_ENABLE_PHAL
28 #include <libekb.H>
29 #include <libpdbg.h>
30 #include <libphal.H>
31 #endif
32
33 // Use a timeout of 10s for D-Bus calls so if there are
34 // timeouts the callers of the PEL creation method won't
35 // also timeout.
36 constexpr auto dbusTimeout = 10000000;
37
38 namespace openpower
39 {
40 namespace pels
41 {
42
43 namespace service_name
44 {
45 constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
46 constexpr auto vpdManager = "com.ibm.VPD.Manager";
47 constexpr auto ledGroupManager = "xyz.openbmc_project.LED.GroupManager";
48 constexpr auto hwIsolation = "org.open_power.HardwareIsolation";
49 constexpr auto biosConfigMgr = "xyz.openbmc_project.BIOSConfigManager";
50 constexpr auto bootRawProgress = "xyz.openbmc_project.State.Boot.Raw";
51 constexpr auto pldm = "xyz.openbmc_project.PLDM";
52 constexpr auto inventoryManager = "xyz.openbmc_project.Inventory.Manager";
53 constexpr auto entityManager = "xyz.openbmc_project.EntityManager";
54 constexpr auto systemd = "org.freedesktop.systemd1";
55 } // namespace service_name
56
57 namespace object_path
58 {
59 constexpr auto objectMapper = "/xyz/openbmc_project/object_mapper";
60 constexpr auto systemInv = "/xyz/openbmc_project/inventory/system";
61 constexpr auto motherBoardInv =
62 "/xyz/openbmc_project/inventory/system/chassis/motherboard";
63 constexpr auto baseInv = "/xyz/openbmc_project/inventory";
64 constexpr auto bmcState = "/xyz/openbmc_project/state/bmc0";
65 constexpr auto chassisState = "/xyz/openbmc_project/state/chassis0";
66 constexpr auto hostState = "/xyz/openbmc_project/state/host0";
67 constexpr auto enableHostPELs =
68 "/xyz/openbmc_project/logging/send_event_logs_to_host";
69 constexpr auto vpdManager = "/com/ibm/VPD/Manager";
70 constexpr auto logSetting = "/xyz/openbmc_project/logging/settings";
71 constexpr auto hwIsolation = "/xyz/openbmc_project/hardware_isolation";
72 constexpr auto biosConfigMgr = "/xyz/openbmc_project/bios_config/manager";
73 constexpr auto bootRawProgress = "/xyz/openbmc_project/state/boot/raw0";
74 constexpr auto systemd = "/org/freedesktop/systemd1";
75 } // namespace object_path
76
77 namespace interface
78 {
79 constexpr auto dbusProperty = "org.freedesktop.DBus.Properties";
80 constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
81 constexpr auto invAsset = "xyz.openbmc_project.Inventory.Decorator.Asset";
82 constexpr auto bootProgress = "xyz.openbmc_project.State.Boot.Progress";
83 constexpr auto enable = "xyz.openbmc_project.Object.Enable";
84 constexpr auto bmcState = "xyz.openbmc_project.State.BMC";
85 constexpr auto chassisState = "xyz.openbmc_project.State.Chassis";
86 constexpr auto hostState = "xyz.openbmc_project.State.Host";
87 constexpr auto viniRecordVPD = "com.ibm.ipzvpd.VINI";
88 constexpr auto vsbpRecordVPD = "com.ibm.ipzvpd.VSBP";
89 constexpr auto locCode = "xyz.openbmc_project.Inventory.Decorator.LocationCode";
90 constexpr auto compatible =
91 "xyz.openbmc_project.Inventory.Decorator.Compatible";
92 constexpr auto vpdManager = "com.ibm.VPD.Manager";
93 constexpr auto ledGroup = "xyz.openbmc_project.Led.Group";
94 constexpr auto operationalStatus =
95 "xyz.openbmc_project.State.Decorator.OperationalStatus";
96 constexpr auto logSetting = "xyz.openbmc_project.Logging.Settings";
97 constexpr auto associationDef = "xyz.openbmc_project.Association.Definitions";
98 constexpr auto dumpEntry = "xyz.openbmc_project.Dump.Entry";
99 constexpr auto dumpProgress = "xyz.openbmc_project.Common.Progress";
100 constexpr auto hwIsolationCreate = "org.open_power.HardwareIsolation.Create";
101 constexpr auto hwIsolationEntry = "xyz.openbmc_project.HardwareIsolation.Entry";
102 constexpr auto association = "xyz.openbmc_project.Association";
103 constexpr auto biosConfigMgr = "xyz.openbmc_project.BIOSConfig.Manager";
104 constexpr auto bootRawProgress = "xyz.openbmc_project.State.Boot.Raw";
105 constexpr auto invItem = "xyz.openbmc_project.Inventory.Item";
106 constexpr auto invFan = "xyz.openbmc_project.Inventory.Item.Fan";
107 constexpr auto invPowerSupply =
108 "xyz.openbmc_project.Inventory.Item.PowerSupply";
109 constexpr auto inventoryManager = "xyz.openbmc_project.Inventory.Manager";
110 constexpr auto systemdMgr = "org.freedesktop.systemd1.Manager";
111 } // namespace interface
112
113 using namespace sdbusplus::server::xyz::openbmc_project::state::boot;
114 using namespace sdbusplus::server::xyz::openbmc_project::state;
115 namespace match_rules = sdbusplus::bus::match::rules;
116
117 const DBusInterfaceList hotplugInterfaces{interface::invFan,
118 interface::invPowerSupply};
119 static constexpr auto PDBG_DTB_PATH =
120 "/var/lib/phosphor-software-manager/hostfw/running/DEVTREE";
121
122 std::pair<std::string, std::string>
extractConnectorFromLocCode(const std::string & locationCode)123 DataInterfaceBase::extractConnectorFromLocCode(
124 const std::string& locationCode)
125 {
126 auto base = locationCode;
127 std::string connector{};
128
129 auto pos = base.find("-T");
130 if (pos != std::string::npos)
131 {
132 connector = base.substr(pos);
133 base = base.substr(0, pos);
134 }
135
136 return {base, connector};
137 }
138
DataInterface(sdbusplus::bus_t & bus)139 DataInterface::DataInterface(sdbusplus::bus_t& bus) :
140 _bus(bus), _systemdSlot(nullptr)
141 {
142 readBMCFWVersion();
143 readServerFWVersion();
144 readBMCFWVersionID();
145
146 // Watch the BootProgress property
147 _properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
148 bus, object_path::hostState, interface::bootProgress, "BootProgress",
149 *this, [this](const auto& value) {
150 this->_bootState = std::get<std::string>(value);
151 auto status = Progress::convertProgressStagesFromString(
152 std::get<std::string>(value));
153
154 if ((status == Progress::ProgressStages::SystemInitComplete) ||
155 (status == Progress::ProgressStages::OSRunning))
156 {
157 setHostUp(true);
158 }
159 else
160 {
161 setHostUp(false);
162 }
163 }));
164
165 // Watch the host PEL enable property
166 _properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
167 bus, object_path::enableHostPELs, interface::enable, "Enabled", *this,
168 [this](const auto& value) {
169 if (std::get<bool>(value) != this->_sendPELsToHost)
170 {
171 lg2::info("The send PELs to host setting changed to {VAL}",
172 "VAL", std::get<bool>(value));
173 }
174 this->_sendPELsToHost = std::get<bool>(value);
175 }));
176
177 // Watch the BMCState property
178 _properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
179 bus, object_path::bmcState, interface::bmcState, "CurrentBMCState",
180 *this, [this](const auto& value) {
181 const auto& state = std::get<std::string>(value);
182 this->_bmcState = state;
183
184 // Wait for BMC ready to start watching for
185 // plugs so things calm down first.
186 if (BMC::convertBMCStateFromString(state) == BMC::BMCState::Ready)
187 {
188 startFruPlugWatch();
189 }
190 }));
191
192 // Watch the chassis current and requested power state properties
193 _properties.emplace_back(std::make_unique<InterfaceWatcher<DataInterface>>(
194 bus, object_path::chassisState, interface::chassisState, *this,
195 [this](const auto& properties) {
196 auto state = properties.find("CurrentPowerState");
197 if (state != properties.end())
198 {
199 this->_chassisState = std::get<std::string>(state->second);
200 }
201
202 auto trans = properties.find("RequestedPowerTransition");
203 if (trans != properties.end())
204 {
205 this->_chassisTransition = std::get<std::string>(trans->second);
206 }
207 }));
208
209 // Watch the CurrentHostState property
210 _properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
211 bus, object_path::hostState, interface::hostState, "CurrentHostState",
212 *this, [this](const auto& value) {
213 this->_hostState = std::get<std::string>(value);
214 }));
215
216 // Watch the BaseBIOSTable property for the hmc managed attribute
217 _properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
218 bus, object_path::biosConfigMgr, interface::biosConfigMgr,
219 "BaseBIOSTable", service_name::biosConfigMgr, *this,
220 [this](const auto& value) {
221 const auto& attributes = std::get<BiosAttributes>(value);
222
223 auto it = attributes.find("pvm_hmc_managed");
224 if (it != attributes.end())
225 {
226 const auto& currentValVariant = std::get<5>(it->second);
227 auto currentVal = std::get_if<std::string>(¤tValVariant);
228 if (currentVal)
229 {
230 this->_hmcManaged =
231 (*currentVal == "Enabled") ? true : false;
232 }
233 }
234 }));
235
236 if (isPHALDevTreeExist())
237 {
238 #ifdef PEL_ENABLE_PHAL
239 initPHAL();
240 #endif
241 }
242 else
243 {
244 // Watch the "openpower-update-bios-attr-table" service to init
245 // PHAL libraries
246 subscribeToSystemdSignals();
247 }
248 }
249
getAllProperties(const std::string & service,const std::string & objectPath,const std::string & interface) const250 DBusPropertyMap DataInterface::getAllProperties(
251 const std::string& service, const std::string& objectPath,
252 const std::string& interface) const
253 {
254 DBusPropertyMap properties;
255
256 auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
257 interface::dbusProperty, "GetAll");
258 method.append(interface);
259 auto reply = _bus.call(method, dbusTimeout);
260
261 reply.read(properties);
262
263 return properties;
264 }
265
getProperty(const std::string & service,const std::string & objectPath,const std::string & interface,const std::string & property,DBusValue & value) const266 void DataInterface::getProperty(
267 const std::string& service, const std::string& objectPath,
268 const std::string& interface, const std::string& property,
269 DBusValue& value) const
270 {
271 auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
272 interface::dbusProperty, "Get");
273 method.append(interface, property);
274 auto reply = _bus.call(method, dbusTimeout);
275
276 reply.read(value);
277 }
278
getPaths(const DBusInterfaceList & interfaces) const279 DBusPathList DataInterface::getPaths(const DBusInterfaceList& interfaces) const
280 {
281 auto method = _bus.new_method_call(
282 service_name::objectMapper, object_path::objectMapper,
283 interface::objectMapper, "GetSubTreePaths");
284
285 method.append(std::string{"/"}, 0, interfaces);
286
287 auto reply = _bus.call(method, dbusTimeout);
288
289 DBusPathList paths;
290 reply.read(paths);
291
292 return paths;
293 }
294
getService(const std::string & objectPath,const std::string & interface) const295 DBusService DataInterface::getService(const std::string& objectPath,
296 const std::string& interface) const
297 {
298 auto method = _bus.new_method_call(service_name::objectMapper,
299 object_path::objectMapper,
300 interface::objectMapper, "GetObject");
301
302 method.append(objectPath, std::vector<std::string>({interface}));
303
304 auto reply = _bus.call(method, dbusTimeout);
305
306 std::map<DBusService, DBusInterfaceList> response;
307 reply.read(response);
308
309 if (!response.empty())
310 {
311 return response.begin()->first;
312 }
313
314 return std::string{};
315 }
316
readBMCFWVersion()317 void DataInterface::readBMCFWVersion()
318 {
319 _bmcFWVersion =
320 phosphor::logging::util::getOSReleaseValue("VERSION").value_or("");
321 }
322
readServerFWVersion()323 void DataInterface::readServerFWVersion()
324 {
325 auto value =
326 phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or("");
327 if ((value != "") && (value.find_last_of(')') != std::string::npos))
328 {
329 std::size_t pos = value.find_first_of('(') + 1;
330 _serverFWVersion = value.substr(pos, value.find_last_of(')') - pos);
331 }
332 }
333
readBMCFWVersionID()334 void DataInterface::readBMCFWVersionID()
335 {
336 _bmcFWVersionID =
337 phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or("");
338 }
339
getMachineTypeModel() const340 std::string DataInterface::getMachineTypeModel() const
341 {
342 std::string model;
343 try
344 {
345 auto service = getService(object_path::systemInv, interface::invAsset);
346 if (!service.empty())
347 {
348 DBusValue value;
349 getProperty(service, object_path::systemInv, interface::invAsset,
350 "Model", value);
351
352 model = std::get<std::string>(value);
353 }
354 }
355 catch (const std::exception& e)
356 {
357 lg2::warning("Failed reading Model property from "
358 "interface: {IFACE} exception: {ERROR}",
359 "IFACE", interface::invAsset, "ERROR", e);
360 }
361
362 return model;
363 }
364
getMachineSerialNumber() const365 std::string DataInterface::getMachineSerialNumber() const
366 {
367 std::string sn;
368 try
369 {
370 auto service = getService(object_path::systemInv, interface::invAsset);
371 if (!service.empty())
372 {
373 DBusValue value;
374 getProperty(service, object_path::systemInv, interface::invAsset,
375 "SerialNumber", value);
376
377 sn = std::get<std::string>(value);
378 }
379 }
380 catch (const std::exception& e)
381 {
382 lg2::warning("Failed reading SerialNumber property from "
383 "interface: {IFACE} exception: {ERROR}",
384 "IFACE", interface::invAsset, "ERROR", e);
385 }
386
387 return sn;
388 }
389
getMotherboardCCIN() const390 std::string DataInterface::getMotherboardCCIN() const
391 {
392 std::string ccin;
393
394 try
395 {
396 auto service =
397 getService(object_path::motherBoardInv, interface::viniRecordVPD);
398 if (!service.empty())
399 {
400 DBusValue value;
401 getProperty(service, object_path::motherBoardInv,
402 interface::viniRecordVPD, "CC", value);
403
404 auto cc = std::get<std::vector<uint8_t>>(value);
405 ccin = std::string{cc.begin(), cc.end()};
406 }
407 }
408 catch (const std::exception& e)
409 {
410 lg2::warning("Failed reading Motherboard CCIN property from "
411 "interface: {IFACE} exception: {ERROR}",
412 "IFACE", interface::viniRecordVPD, "ERROR", e);
413 }
414
415 return ccin;
416 }
417
getSystemIMKeyword() const418 std::vector<uint8_t> DataInterface::getSystemIMKeyword() const
419 {
420 std::vector<uint8_t> systemIM;
421
422 try
423 {
424 auto service =
425 getService(object_path::motherBoardInv, interface::vsbpRecordVPD);
426 if (!service.empty())
427 {
428 DBusValue value;
429 getProperty(service, object_path::motherBoardInv,
430 interface::vsbpRecordVPD, "IM", value);
431
432 systemIM = std::get<std::vector<uint8_t>>(value);
433 }
434 }
435 catch (const std::exception& e)
436 {
437 lg2::warning("Failed reading System IM property from "
438 "interface: {IFACE} exception: {ERROR}",
439 "IFACE", interface::vsbpRecordVPD, "ERROR", e);
440 }
441
442 return systemIM;
443 }
444
getHWCalloutFields(const std::string & inventoryPath,std::string & fruPartNumber,std::string & ccin,std::string & serialNumber) const445 void DataInterface::getHWCalloutFields(
446 const std::string& inventoryPath, std::string& fruPartNumber,
447 std::string& ccin, std::string& serialNumber) const
448 {
449 // For now, attempt to get all of the properties directly on the path
450 // passed in. In the future, may need to make use of an algorithm
451 // to figure out which inventory objects actually hold these
452 // interfaces in the case of non FRUs, or possibly another service
453 // will provide this info. Any missing interfaces will result
454 // in exceptions being thrown.
455
456 auto service = getService(inventoryPath, interface::viniRecordVPD);
457
458 auto properties =
459 getAllProperties(service, inventoryPath, interface::viniRecordVPD);
460
461 auto value = std::get<std::vector<uint8_t>>(properties["FN"]);
462 fruPartNumber = std::string{value.begin(), value.end()};
463
464 value = std::get<std::vector<uint8_t>>(properties["CC"]);
465 ccin = std::string{value.begin(), value.end()};
466
467 value = std::get<std::vector<uint8_t>>(properties["SN"]);
468 serialNumber = std::string{value.begin(), value.end()};
469 }
470
471 std::string
getLocationCode(const std::string & inventoryPath) const472 DataInterface::getLocationCode(const std::string& inventoryPath) const
473 {
474 auto service = getService(inventoryPath, interface::locCode);
475
476 DBusValue locCode;
477 getProperty(service, inventoryPath, interface::locCode, "LocationCode",
478 locCode);
479
480 return std::get<std::string>(locCode);
481 }
482
483 std::string
addLocationCodePrefix(const std::string & locationCode)484 DataInterface::addLocationCodePrefix(const std::string& locationCode)
485 {
486 static const std::string locationCodePrefix{"Ufcs-"};
487
488 // Technically there are 2 location code prefixes, Ufcs and Umts, so
489 // if it already starts with a U then don't need to do anything.
490 if (locationCode.front() != 'U')
491 {
492 return locationCodePrefix + locationCode;
493 }
494
495 return locationCode;
496 }
497
expandLocationCode(const std::string & locationCode,uint16_t) const498 std::string DataInterface::expandLocationCode(const std::string& locationCode,
499 uint16_t /*node*/) const
500 {
501 // Location codes for connectors are the location code of the FRU they are
502 // on, plus a '-Tx' segment. Remove this last segment before expanding it
503 // and then add it back in afterwards. This way, the connector doesn't have
504 // to be in the model just so that it can be expanded.
505 auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode);
506
507 auto method =
508 _bus.new_method_call(service_name::vpdManager, object_path::vpdManager,
509 interface::vpdManager, "GetExpandedLocationCode");
510
511 method.append(addLocationCodePrefix(baseLoc), static_cast<uint16_t>(0));
512
513 auto reply = _bus.call(method, dbusTimeout);
514
515 std::string expandedLocationCode;
516 reply.read(expandedLocationCode);
517
518 if (!connectorLoc.empty())
519 {
520 expandedLocationCode += connectorLoc;
521 }
522
523 return expandedLocationCode;
524 }
525
getInventoryFromLocCode(const std::string & locationCode,uint16_t node,bool expanded) const526 std::vector<std::string> DataInterface::getInventoryFromLocCode(
527 const std::string& locationCode, uint16_t node, bool expanded) const
528 {
529 std::string methodName = expanded ? "GetFRUsByExpandedLocationCode"
530 : "GetFRUsByUnexpandedLocationCode";
531
532 // Remove the connector segment, if present, so that this method call
533 // returns an inventory path that getHWCalloutFields() can be used with.
534 // (The serial number, etc, aren't stored on the connector in the
535 // inventory, and may not even be modeled.)
536 auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode);
537
538 auto method =
539 _bus.new_method_call(service_name::vpdManager, object_path::vpdManager,
540 interface::vpdManager, methodName.c_str());
541
542 if (expanded)
543 {
544 method.append(baseLoc);
545 }
546 else
547 {
548 method.append(addLocationCodePrefix(baseLoc), node);
549 }
550
551 auto reply = _bus.call(method, dbusTimeout);
552
553 std::vector<sdbusplus::message::object_path> entries;
554 reply.read(entries);
555
556 std::vector<std::string> paths;
557
558 // Note: The D-Bus method will fail if nothing found.
559 std::for_each(entries.begin(), entries.end(),
560 [&paths](const auto& path) { paths.push_back(path); });
561
562 return paths;
563 }
564
assertLEDGroup(const std::string & ledGroup,bool value) const565 void DataInterface::assertLEDGroup(const std::string& ledGroup,
566 bool value) const
567 {
568 DBusValue variant = value;
569 auto method =
570 _bus.new_method_call(service_name::ledGroupManager, ledGroup.c_str(),
571 interface::dbusProperty, "Set");
572 method.append(interface::ledGroup, "Asserted", variant);
573 _bus.call(method, dbusTimeout);
574 }
575
setFunctional(const std::string & objectPath,bool value) const576 void DataInterface::setFunctional(const std::string& objectPath,
577 bool value) const
578 {
579 DBusPropertyMap prop{{"Functional", value}};
580 DBusInterfaceMap iface{{interface::operationalStatus, prop}};
581
582 // PIM takes a relative path like /system/chassis so remove
583 // /xyz/openbmc_project/inventory if present.
584 std::string path{objectPath};
585 if (path.starts_with(object_path::baseInv))
586 {
587 path = objectPath.substr(strlen(object_path::baseInv));
588 }
589 DBusObjectMap object{{path, iface}};
590
591 auto method = _bus.new_method_call(service_name::inventoryManager,
592 object_path::baseInv,
593 interface::inventoryManager, "Notify");
594 method.append(std::move(object));
595 _bus.call(method, dbusTimeout);
596 }
597
598 using AssociationTuple = std::tuple<std::string, std::string, std::string>;
599 using AssociationsProperty = std::vector<AssociationTuple>;
600
setCriticalAssociation(const std::string & objectPath) const601 void DataInterface::setCriticalAssociation(const std::string& objectPath) const
602 {
603 DBusValue getAssociationValue;
604
605 auto service = getService(objectPath, interface::associationDef);
606
607 getProperty(service, objectPath, interface::associationDef, "Associations",
608 getAssociationValue);
609
610 auto association = std::get<AssociationsProperty>(getAssociationValue);
611
612 AssociationTuple critAssociation{
613 "health_rollup", "critical",
614 "/xyz/openbmc_project/inventory/system/chassis"};
615
616 if (std::find(association.begin(), association.end(), critAssociation) ==
617 association.end())
618 {
619 association.push_back(critAssociation);
620 DBusValue setAssociationValue = association;
621
622 auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
623 interface::dbusProperty, "Set");
624
625 method.append(interface::associationDef, "Associations",
626 setAssociationValue);
627 _bus.call(method, dbusTimeout);
628 }
629 }
630
getSystemNames() const631 std::vector<std::string> DataInterface::getSystemNames() const
632 {
633 DBusSubTree subtree;
634 DBusValue names;
635
636 auto method = _bus.new_method_call(service_name::objectMapper,
637 object_path::objectMapper,
638 interface::objectMapper, "GetSubTree");
639 method.append(std::string{"/"}, 0,
640 std::vector<std::string>{interface::compatible});
641 auto reply = _bus.call(method, dbusTimeout);
642
643 reply.read(subtree);
644 if (subtree.empty())
645 {
646 throw std::runtime_error("Compatible interface not on D-Bus");
647 }
648
649 for (const auto& [path, interfaceMap] : subtree)
650 {
651 auto iface = interfaceMap.find(service_name::entityManager);
652 if (iface == interfaceMap.end())
653 {
654 continue;
655 }
656
657 getProperty(iface->first, path, interface::compatible, "Names", names);
658
659 return std::get<std::vector<std::string>>(names);
660 }
661
662 throw std::runtime_error("EM Compatible interface not on D-Bus");
663 }
664
getQuiesceOnError() const665 bool DataInterface::getQuiesceOnError() const
666 {
667 bool ret = false;
668
669 try
670 {
671 auto service =
672 getService(object_path::logSetting, interface::logSetting);
673 if (!service.empty())
674 {
675 DBusValue value;
676 getProperty(service, object_path::logSetting, interface::logSetting,
677 "QuiesceOnHwError", value);
678
679 ret = std::get<bool>(value);
680 }
681 }
682 catch (const std::exception& e)
683 {
684 lg2::warning("Failed reading QuiesceOnHwError property from "
685 "interface: {IFACE} exception: {ERROR}",
686 "IFACE", interface::logSetting, "ERROR", e);
687 }
688
689 return ret;
690 }
691
692 std::vector<bool>
checkDumpStatus(const std::vector<std::string> & type) const693 DataInterface::checkDumpStatus(const std::vector<std::string>& type) const
694 {
695 DBusSubTree subtree;
696 std::vector<bool> result(type.size(), false);
697
698 // Query GetSubTree for the availability of dump interface
699 auto method = _bus.new_method_call(service_name::objectMapper,
700 object_path::objectMapper,
701 interface::objectMapper, "GetSubTree");
702 method.append(std::string{"/"}, 0,
703 std::vector<std::string>{interface::dumpEntry});
704 auto reply = _bus.call(method, dbusTimeout);
705
706 reply.read(subtree);
707
708 if (subtree.empty())
709 {
710 return result;
711 }
712
713 std::vector<bool>::iterator itDumpStatus = result.begin();
714 uint8_t count = 0;
715 for (const auto& [path, serviceInfo] : subtree)
716 {
717 const auto& service = serviceInfo.begin()->first;
718 // Check for dump type on the object path
719 for (const auto& it : type)
720 {
721 if (path.find(it) != std::string::npos)
722 {
723 DBusValue value, progress;
724
725 // If dump type status is already available go for next path
726 if (*itDumpStatus)
727 {
728 break;
729 }
730
731 // Check for valid dump to be available if following
732 // conditions are met for the dump entry path -
733 // Offloaded == false and Status == Completed
734 getProperty(service, path, interface::dumpEntry, "Offloaded",
735 value);
736 getProperty(service, path, interface::dumpProgress, "Status",
737 progress);
738 auto offload = std::get<bool>(value);
739 auto status = std::get<std::string>(progress);
740 if (!offload && (status.find("Completed") != std::string::npos))
741 {
742 *itDumpStatus = true;
743 count++;
744 if (count >= type.size())
745 {
746 return result;
747 }
748 break;
749 }
750 }
751 ++itDumpStatus;
752 }
753 itDumpStatus = result.begin();
754 }
755
756 return result;
757 }
758
createGuardRecord(const std::vector<uint8_t> & binPath,const std::string & type,const std::string & logPath) const759 void DataInterface::createGuardRecord(const std::vector<uint8_t>& binPath,
760 const std::string& type,
761 const std::string& logPath) const
762 {
763 try
764 {
765 auto method = _bus.new_method_call(
766 service_name::hwIsolation, object_path::hwIsolation,
767 interface::hwIsolationCreate, "CreateWithEntityPath");
768 method.append(binPath, type, sdbusplus::message::object_path(logPath));
769 // Note: hw isolation "CreateWithEntityPath" got dependency on logging
770 // api's. Making d-bus call no reply type to avoid cyclic dependency.
771 // Added minimal timeout to catch initial failures.
772 // Need to revisit this design later to avoid cyclic dependency.
773 constexpr auto hwIsolationTimeout = 100000; // in micro seconds
774 _bus.call_noreply(method, hwIsolationTimeout);
775 }
776
777 catch (const sdbusplus::exception_t& e)
778 {
779 std::string errName = e.name();
780 // SD_BUS_ERROR_TIMEOUT error is expected, due to PEL api dependency
781 // mentioned above. Ignoring the error.
782 if (errName != SD_BUS_ERROR_TIMEOUT)
783 {
784 lg2::error("GUARD D-Bus call exception. Path={PATH}, "
785 "interface = {IFACE}, exception = {ERROR}",
786 "PATH", object_path::hwIsolation, "IFACE",
787 interface::hwIsolationCreate, "ERROR", e);
788 }
789 }
790 }
791
createProgressSRC(const uint64_t & priSRC,const std::vector<uint8_t> & srcStruct) const792 void DataInterface::createProgressSRC(
793 const uint64_t& priSRC, const std::vector<uint8_t>& srcStruct) const
794 {
795 DBusValue variant = std::make_tuple(priSRC, srcStruct);
796
797 auto method = _bus.new_method_call(service_name::bootRawProgress,
798 object_path::bootRawProgress,
799 interface::dbusProperty, "Set");
800
801 method.append(interface::bootRawProgress, "Value", variant);
802
803 _bus.call(method, dbusTimeout);
804 }
805
getLogIDWithHwIsolation() const806 std::vector<uint32_t> DataInterface::getLogIDWithHwIsolation() const
807 {
808 std::vector<std::string> association = {"xyz.openbmc_project.Association"};
809 std::string hwErrorLog = "/isolated_hw_errorlog";
810 std::string errorLog = "/error_log";
811 DBusPathList paths;
812 std::vector<uint32_t> ids;
813
814 // Get all latest mapper associations
815 paths = getPaths(association);
816 for (auto& path : paths)
817 {
818 // Look for object path with hardware isolation entry if any
819 size_t pos = path.find(hwErrorLog);
820 if (pos != std::string::npos)
821 {
822 // Get the object path
823 std::string ph = path;
824 ph.erase(pos, hwErrorLog.length());
825 auto service = getService(ph, interface::hwIsolationEntry);
826 if (!service.empty())
827 {
828 bool status;
829 DBusValue value;
830
831 // Read the Resolved property from object path
832 getProperty(service, ph, interface::hwIsolationEntry,
833 "Resolved", value);
834
835 status = std::get<bool>(value);
836
837 // If the entry isn't resolved
838 if (!status)
839 {
840 auto assocService =
841 getService(path, interface::association);
842 if (!assocService.empty())
843 {
844 DBusValue endpoints;
845
846 // Read Endpoints property
847 getProperty(assocService, path, interface::association,
848 "endpoints", endpoints);
849
850 auto logPath =
851 std::get<std::vector<std::string>>(endpoints);
852 if (!logPath.empty())
853 {
854 // Get OpenBMC event log Id
855 uint32_t id = stoi(logPath[0].substr(
856 logPath[0].find_last_of('/') + 1));
857 ids.push_back(id);
858 }
859 }
860 }
861 }
862 }
863
864 // Look for object path with error_log entry if any
865 pos = path.find(errorLog);
866 if (pos != std::string::npos)
867 {
868 auto service = getService(path, interface::association);
869 if (!service.empty())
870 {
871 DBusValue value;
872
873 // Read Endpoints property
874 getProperty(service, path, interface::association, "endpoints",
875 value);
876
877 auto logPath = std::get<std::vector<std::string>>(value);
878 if (!logPath.empty())
879 {
880 // Get OpenBMC event log Id
881 uint32_t id = stoi(
882 logPath[0].substr(logPath[0].find_last_of('/') + 1));
883 ids.push_back(id);
884 }
885 }
886 }
887 }
888
889 if (ids.size() > 1)
890 {
891 // remove duplicates to have only unique ids
892 std::sort(ids.begin(), ids.end());
893 ids.erase(std::unique(ids.begin(), ids.end()), ids.end());
894 }
895 return ids;
896 }
897
getRawProgressSRC(void) const898 std::vector<uint8_t> DataInterface::getRawProgressSRC(void) const
899 {
900 using RawProgressProperty = std::tuple<uint64_t, std::vector<uint8_t>>;
901
902 DBusValue value;
903 getProperty(service_name::bootRawProgress, object_path::bootRawProgress,
904 interface::bootRawProgress, "Value", value);
905
906 const auto& rawProgress = std::get<RawProgressProperty>(value);
907 return std::get<1>(rawProgress);
908 }
909
910 std::optional<std::vector<uint8_t>>
getDIProperty(const std::string & locationCode) const911 DataInterface::getDIProperty(const std::string& locationCode) const
912 {
913 std::vector<uint8_t> viniDI;
914
915 try
916 {
917 // Note : The hardcoded value 0 should be changed when comes to
918 // multinode system.
919 auto objectPath = getInventoryFromLocCode(locationCode, 0, true);
920
921 DBusValue value;
922 getProperty(service_name::inventoryManager, objectPath[0],
923 interface::viniRecordVPD, "DI", value);
924
925 viniDI = std::get<std::vector<uint8_t>>(value);
926 }
927 catch (const std::exception& e)
928 {
929 lg2::warning(
930 "Failed reading DI property for the location code : {LOC_CODE} from "
931 "interface: {IFACE} exception: {ERROR}",
932 "LOC_CODE", locationCode, "IFACE", interface::viniRecordVPD,
933 "ERROR", e);
934 return std::nullopt;
935 }
936
937 return viniDI;
938 }
939
940 std::optional<bool>
isDIMMLocCode(const std::string & locCode) const941 DataInterfaceBase::isDIMMLocCode(const std::string& locCode) const
942 {
943 if (_locationCache.contains(locCode))
944 {
945 return _locationCache.at(locCode);
946 }
947 else
948 {
949 return std::nullopt;
950 }
951 }
952
addDIMMLocCode(const std::string & locCode,bool isFRUDIMM)953 void DataInterfaceBase::addDIMMLocCode(const std::string& locCode,
954 bool isFRUDIMM)
955 {
956 _locationCache.insert({locCode, isFRUDIMM});
957 }
958
isDIMM(const std::string & locCode)959 bool DataInterfaceBase::isDIMM(const std::string& locCode)
960 {
961 auto isDIMMType = isDIMMLocCode(locCode);
962 if (isDIMMType.has_value())
963 {
964 return isDIMMType.value();
965 }
966 #ifndef PEL_ENABLE_PHAL
967 return false;
968 #else
969 else
970 {
971 // Invoke pHAL API inorder to fetch the FRU Type
972 auto fruType = openpower::phal::pdbg::getFRUType(locCode);
973 bool isDIMMFRU{false};
974 if (fruType.has_value())
975 {
976 if (fruType.value() == ENUM_ATTR_TYPE_DIMM)
977 {
978 isDIMMFRU = true;
979 }
980 addDIMMLocCode(locCode, isDIMMFRU);
981 }
982 return isDIMMFRU;
983 }
984 #endif
985 }
986
startFruPlugWatch()987 void DataInterface::startFruPlugWatch()
988 {
989 // Add a watch on inventory InterfacesAdded and then find all
990 // existing hotpluggable interfaces and add propertiesChanged
991 // watches on them.
992
993 _invIaMatch = std::make_unique<sdbusplus::bus::match_t>(
994 _bus, match_rules::interfacesAdded(object_path::baseInv),
995 std::bind(&DataInterface::inventoryIfaceAdded, this,
996 std::placeholders::_1));
997 try
998 {
999 auto paths = getPaths(hotplugInterfaces);
1000
1001 _invPresentMatches.clear();
1002
1003 std::for_each(paths.begin(), paths.end(),
1004 [this](const auto& path) { addHotplugWatch(path); });
1005 }
1006 catch (const sdbusplus::exception_t& e)
1007 {
1008 lg2::warning("Failed getting FRU paths to watch: {ERROR}", "ERROR", e);
1009 }
1010 }
1011
addHotplugWatch(const std::string & path)1012 void DataInterface::addHotplugWatch(const std::string& path)
1013 {
1014 if (!_invPresentMatches.contains(path))
1015 {
1016 _invPresentMatches.emplace(
1017 path,
1018 std::make_unique<sdbusplus::bus::match_t>(
1019 _bus, match_rules::propertiesChanged(path, interface::invItem),
1020 std::bind(&DataInterface::presenceChanged, this,
1021 std::placeholders::_1)));
1022 }
1023 }
1024
inventoryIfaceAdded(sdbusplus::message_t & msg)1025 void DataInterface::inventoryIfaceAdded(sdbusplus::message_t& msg)
1026 {
1027 sdbusplus::message::object_path path;
1028 DBusInterfaceMap interfaces;
1029
1030 msg.read(path, interfaces);
1031
1032 // Check if any of the new interfaces are for hot pluggable FRUs.
1033 if (std::find_if(interfaces.begin(), interfaces.end(),
1034 [](const auto& interfacePair) {
1035 return std::find(hotplugInterfaces.begin(),
1036 hotplugInterfaces.end(),
1037 interfacePair.first) !=
1038 hotplugInterfaces.end();
1039 }) == interfaces.end())
1040 {
1041 return;
1042 }
1043
1044 addHotplugWatch(path.str);
1045
1046 // If an Inventory.Item interface was also added, check presence now.
1047
1048 // Notes:
1049 // * This assumes the Inv.Item and Inv.Fan/PS are added together which
1050 // is currently the case.
1051 // * If the code ever switches to something without a Present
1052 // property, then the IA signal itself would probably indicate presence.
1053
1054 auto itemIt = interfaces.find(interface::invItem);
1055 if (itemIt != interfaces.end())
1056 {
1057 notifyPresenceSubsribers(path.str, itemIt->second);
1058 }
1059 }
1060
presenceChanged(sdbusplus::message_t & msg)1061 void DataInterface::presenceChanged(sdbusplus::message_t& msg)
1062 {
1063 DBusInterface interface;
1064 DBusPropertyMap properties;
1065
1066 msg.read(interface, properties);
1067 if (interface != interface::invItem)
1068 {
1069 return;
1070 }
1071
1072 std::string path = msg.get_path();
1073 notifyPresenceSubsribers(path, properties);
1074 }
1075
notifyPresenceSubsribers(const std::string & path,const DBusPropertyMap & properties)1076 void DataInterface::notifyPresenceSubsribers(const std::string& path,
1077 const DBusPropertyMap& properties)
1078 {
1079 auto prop = properties.find("Present");
1080 if ((prop == properties.end()) || (!std::get<bool>(prop->second)))
1081 {
1082 return;
1083 }
1084
1085 std::string locCode;
1086
1087 try
1088 {
1089 auto service = getService(path, interface::locCode);
1090
1091 // If the hotplugged FRU is hosted by PLDM, then it is
1092 // in an IO expansion drawer and we don't care about it.
1093 if (service == service_name::pldm)
1094 {
1095 return;
1096 }
1097
1098 locCode = getLocationCode(path);
1099 }
1100 catch (const sdbusplus::exception_t& e)
1101 {
1102 lg2::debug("Could not get location code for {PATH}: {ERROR}", "PATH",
1103 path, "ERROR", e);
1104 return;
1105 }
1106
1107 lg2::debug("Detected FRU {PATH} ({LOC}) present ", "PATH", path, "LOC",
1108 locCode);
1109
1110 // Tell the subscribers.
1111 setFruPresent(locCode);
1112 }
1113
isPHALDevTreeExist() const1114 bool DataInterface::isPHALDevTreeExist() const
1115 {
1116 try
1117 {
1118 if (std::filesystem::exists(PDBG_DTB_PATH))
1119 {
1120 return true;
1121 }
1122 }
1123 catch (const std::exception& e)
1124 {
1125 lg2::error("Failed to check device tree {PHAL_DEVTREE_PATH} existence, "
1126 "{ERROR}",
1127 "PHAL_DEVTREE_PATH", PDBG_DTB_PATH, "ERROR", e);
1128 }
1129 return false;
1130 }
1131
1132 #ifdef PEL_ENABLE_PHAL
initPHAL()1133 void DataInterface::initPHAL()
1134 {
1135 if (setenv("PDBG_DTB", PDBG_DTB_PATH, 1))
1136 {
1137 // Log message and continue,
1138 // This is to help continue creating PEL in raw format.
1139 lg2::error("Failed to set PDBG_DTB: ({ERRNO})", "ERRNO",
1140 strerror(errno));
1141 }
1142
1143 if (!pdbg_targets_init(NULL))
1144 {
1145 lg2::error("pdbg_targets_init failed");
1146 return;
1147 }
1148
1149 if (libekb_init())
1150 {
1151 lg2::error("libekb_init failed, skipping ffdc processing");
1152 return;
1153 }
1154 }
1155 #endif
1156
subscribeToSystemdSignals()1157 void DataInterface::subscribeToSystemdSignals()
1158 {
1159 try
1160 {
1161 auto method =
1162 _bus.new_method_call(service_name::systemd, object_path::systemd,
1163 interface::systemdMgr, "Subscribe");
1164 _systemdSlot = method.call_async([this](sdbusplus::message_t&& msg) {
1165 // Initializing with nullptr to indicate that it is not subscribed
1166 // to any signal.
1167 this->_systemdSlot = sdbusplus::slot_t(nullptr);
1168 if (msg.is_method_error())
1169 {
1170 auto* error = msg.get_error();
1171 lg2::error("Failed to subscribe JobRemoved systemd signal, "
1172 "errorName: {ERR_NAME}, errorMsg: {ERR_MSG}, ",
1173 "ERR_NAME", error->name, "ERR_MSG", error->message);
1174 return;
1175 }
1176
1177 namespace sdbusRule = sdbusplus::bus::match::rules;
1178 this->_systemdMatch =
1179 std::make_unique<decltype(this->_systemdMatch)::element_type>(
1180 this->_bus,
1181 sdbusRule::type::signal() +
1182 sdbusRule::member("JobRemoved") +
1183 sdbusRule::path(object_path::systemd) +
1184 sdbusRule::interface(interface::systemdMgr),
1185 [this](sdbusplus::message_t& msg) {
1186 uint32_t jobID;
1187 sdbusplus::message::object_path jobObjPath;
1188 std::string jobUnitName, jobUnitResult;
1189
1190 msg.read(jobID, jobObjPath, jobUnitName, jobUnitResult);
1191 if ((jobUnitName ==
1192 "openpower-update-bios-attr-table.service") &&
1193 (jobUnitResult == "done"))
1194 {
1195 // Unsubscribe immediately after the signal is
1196 // received to avoid unwanted signal
1197 // reception. And initialize PHAL once the
1198 // unsubscription is success.
1199 this->unsubscribeFromSystemdSignals();
1200 }
1201 });
1202 });
1203 }
1204 catch (const sdbusplus::exception_t& e)
1205 {
1206 lg2::error(
1207 "Exception occured while handling JobRemoved systemd signal, "
1208 "exception: {ERROR}",
1209 "ERROR", e);
1210 }
1211 }
1212
unsubscribeFromSystemdSignals()1213 void DataInterface::unsubscribeFromSystemdSignals()
1214 {
1215 try
1216 {
1217 auto method =
1218 _bus.new_method_call(service_name::systemd, object_path::systemd,
1219 interface::systemdMgr, "Unsubscribe");
1220 _systemdSlot = method.call_async([this](sdbusplus::message_t&& msg) {
1221 // Unsubscribing the _systemdSlot from the subscribed signal
1222 this->_systemdSlot = sdbusplus::slot_t(nullptr);
1223 if (msg.is_method_error())
1224 {
1225 auto* error = msg.get_error();
1226 lg2::error(
1227 "Failed to unsubscribe from JobRemoved systemd signal, "
1228 "errorName: {ERR_NAME}, errorMsg: {ERR_MSG}, ",
1229 "ERR_NAME", error->name, "ERR_MSG", error->message);
1230 return;
1231 }
1232 #ifdef PEL_ENABLE_PHAL
1233 this->initPHAL();
1234 #endif
1235 });
1236 }
1237 catch (const sdbusplus::exception_t& e)
1238 {
1239 lg2::error(
1240 "Exception occured while unsubscribing from JobRemoved systemd signal, "
1241 "exception: {ERROR}",
1242 "ERROR", e);
1243 }
1244 }
1245
1246 } // namespace pels
1247 } // namespace openpower
1248