xref: /openbmc/smbios-mdr/src/mdrv2.cpp (revision 366546cf) 
1 /*
2 // Copyright (c) 2018 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 
17 #include "mdrv2.hpp"
18 
19 #include "pcieslot.hpp"
20 
21 #include <sys/mman.h>
22 
23 #include <phosphor-logging/elog-errors.hpp>
24 #include <sdbusplus/exception.hpp>
25 #include <xyz/openbmc_project/Smbios/MDR_V2/error.hpp>
26 
27 #include <fstream>
28 
29 namespace phosphor
30 {
31 namespace smbios
32 {
33 
34 std::vector<uint8_t> MDRV2::getDirectoryInformation(uint8_t dirIndex)
35 {
36     std::vector<uint8_t> responseDir;
37 
38     std::ifstream smbiosFile(mdrType2File, std::ios_base::binary);
39     if (!smbiosFile.good())
40     {
41         phosphor::logging::log<phosphor::logging::level::ERR>(
42             "Read data from flash error - Open MDRV2 table file failure");
43         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
44             InvalidParameter();
45     }
46     if (dirIndex > smbiosDir.dirEntries)
47     {
48         responseDir.push_back(0);
49         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
50             InvalidParameter();
51     }
52     responseDir.push_back(mdr2Version);
53     responseDir.push_back(smbiosDir.dirVersion);
54     uint8_t returnedEntries = smbiosDir.dirEntries - dirIndex;
55     responseDir.push_back(returnedEntries);
56     if ((dirIndex + returnedEntries) >= smbiosDir.dirEntries)
57     {
58         responseDir.push_back(0);
59     }
60     else
61     {
62         responseDir.push_back(smbiosDir.dirEntries - dirIndex -
63                               returnedEntries);
64     }
65     for (uint8_t index = dirIndex; index < smbiosDir.dirEntries; index++)
66     {
67         for (uint8_t indexId = 0; indexId < sizeof(DataIdStruct); indexId++)
68         {
69             responseDir.push_back(
70                 smbiosDir.dir[index].common.id.dataInfo[indexId]);
71         }
72     }
73 
74     return responseDir;
75 }
76 
77 bool MDRV2::smbiosIsAvailForUpdate(uint8_t index)
78 {
79     bool ret = false;
80     if (index >= maxDirEntries)
81     {
82         return ret;
83     }
84 
85     switch (smbiosDir.dir[index].stage)
86     {
87         case MDR2SMBIOSStatusEnum::mdr2Updating:
88             ret = false;
89             break;
90 
91         case MDR2SMBIOSStatusEnum::mdr2Init:
92             // This *looks* like there should be a break statement here,
93             // as the effects of the previous statement are a noop given
94             // the following code that this falls through to.
95             // We've elected not to change it, though, since it's been
96             // this way since the old generation, and it would affect
97             // the way the code functions.
98             // If it ain't broke, don't fix it.
99 
100         case MDR2SMBIOSStatusEnum::mdr2Loaded:
101         case MDR2SMBIOSStatusEnum::mdr2Updated:
102             if (smbiosDir.dir[index].lock == MDR2DirLockEnum::mdr2DirLock)
103             {
104                 ret = false;
105             }
106             else
107             {
108                 ret = true;
109             }
110             break;
111 
112         default:
113             break;
114     }
115 
116     return ret;
117 }
118 
119 std::vector<uint8_t> MDRV2::getDataOffer()
120 {
121     std::vector<uint8_t> offer(sizeof(DataIdStruct));
122     if (smbiosIsAvailForUpdate(0))
123     {
124         std::copy(smbiosDir.dir[0].common.id.dataInfo,
125                   &smbiosDir.dir[0].common.id.dataInfo[16], offer.data());
126     }
127     else
128     {
129         phosphor::logging::log<phosphor::logging::level::ERR>(
130             "smbios is not ready for update");
131         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
132             UpdateInProgress();
133     }
134     return offer;
135 }
136 
137 inline uint8_t MDRV2::smbiosValidFlag(uint8_t index)
138 {
139     FlagStatus ret = FlagStatus::flagIsInvalid;
140     MDR2SMBIOSStatusEnum stage = smbiosDir.dir[index].stage;
141     MDR2DirLockEnum lock = smbiosDir.dir[index].lock;
142 
143     switch (stage)
144     {
145         case MDR2SMBIOSStatusEnum::mdr2Loaded:
146         case MDR2SMBIOSStatusEnum::mdr2Updated:
147             if (lock == MDR2DirLockEnum::mdr2DirLock)
148             {
149                 ret = FlagStatus::flagIsLocked; // locked
150             }
151             else
152             {
153                 ret = FlagStatus::flagIsValid; // valid
154             }
155             break;
156 
157         case MDR2SMBIOSStatusEnum::mdr2Updating:
158         case MDR2SMBIOSStatusEnum::mdr2Init:
159             ret = FlagStatus::flagIsInvalid; // invalid
160             break;
161 
162         default:
163             break;
164     }
165 
166     return static_cast<uint8_t>(ret);
167 }
168 
169 // If source variable size is 4 bytes (uint32_t) and destination is Vector type
170 // is 1 byte (uint8_t), then by using this API can copy data byte by byte. For
171 // Example copying data from smbiosDir.dir[idIndex].common.size and
172 // smbiosDir.dir[idIndex].common.timestamp to vector variable responseInfo
173 template <typename T>
174 void appendReversed(std::vector<uint8_t>& vector, const T& value)
175 {
176     auto data = reinterpret_cast<const uint8_t*>(&value);
177     std::reverse_copy(data, data + sizeof(value), std::back_inserter(vector));
178 }
179 
180 std::vector<uint8_t> MDRV2::getDataInformation(uint8_t idIndex)
181 {
182     std::vector<uint8_t> responseInfo;
183     responseInfo.push_back(mdr2Version);
184 
185     if (idIndex >= maxDirEntries)
186     {
187         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
188             InvalidParameter();
189     }
190 
191     for (uint8_t index = 0; index < sizeof(DataIdStruct); index++)
192     {
193         responseInfo.push_back(
194             smbiosDir.dir[idIndex].common.id.dataInfo[index]);
195     }
196 
197     responseInfo.push_back(smbiosValidFlag(idIndex));
198     appendReversed(responseInfo, smbiosDir.dir[idIndex].common.size);
199     responseInfo.push_back(smbiosDir.dir[idIndex].common.dataVersion);
200     appendReversed(responseInfo, smbiosDir.dir[idIndex].common.timestamp);
201 
202     return responseInfo;
203 }
204 
205 bool MDRV2::readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data)
206 {
207     if (mdrHdr == nullptr)
208     {
209         phosphor::logging::log<phosphor::logging::level::ERR>(
210             "Read data from flash error - Invalid mdr header");
211         return false;
212     }
213     if (data == nullptr)
214     {
215         phosphor::logging::log<phosphor::logging::level::ERR>(
216             "Read data from flash error - Invalid data point");
217         return false;
218     }
219     std::ifstream smbiosFile(mdrType2File, std::ios_base::binary);
220     if (!smbiosFile.good())
221     {
222         phosphor::logging::log<phosphor::logging::level::ERR>(
223             "Read data from flash error - Open MDRV2 table file failure");
224         return false;
225     }
226     smbiosFile.clear();
227     smbiosFile.seekg(0, std::ios_base::end);
228     size_t fileLength = smbiosFile.tellg();
229     smbiosFile.seekg(0, std::ios_base::beg);
230     if (fileLength < sizeof(MDRSMBIOSHeader))
231     {
232         phosphor::logging::log<phosphor::logging::level::ERR>(
233             "MDR V2 file size is smaller than mdr header");
234         return false;
235     }
236     smbiosFile.read(reinterpret_cast<char*>(mdrHdr), sizeof(MDRSMBIOSHeader));
237     if (mdrHdr->dataSize > smbiosTableStorageSize)
238     {
239         phosphor::logging::log<phosphor::logging::level::ERR>(
240             "Data size out of limitation");
241         smbiosFile.close();
242         return false;
243     }
244     fileLength -= sizeof(MDRSMBIOSHeader);
245     if (fileLength < mdrHdr->dataSize)
246     {
247         smbiosFile.read(reinterpret_cast<char*>(data), fileLength);
248     }
249     else
250     {
251         smbiosFile.read(reinterpret_cast<char*>(data), mdrHdr->dataSize);
252     }
253     smbiosFile.close();
254     return true;
255 }
256 
257 bool MDRV2::sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex,
258                                      uint8_t returnedEntries,
259                                      uint8_t remainingEntries,
260                                      std::vector<uint8_t> dirEntry)
261 {
262     bool teminate = false;
263     if ((dirIndex >= maxDirEntries) || (returnedEntries < 1))
264     {
265         phosphor::logging::log<phosphor::logging::level::ERR>(
266             "Send Dir info failed - input parameter invalid");
267         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
268             InvalidParameter();
269     }
270     if ((static_cast<size_t>(returnedEntries) * sizeof(DataIdStruct)) !=
271         dirEntry.size())
272     {
273         phosphor::logging::log<phosphor::logging::level::ERR>(
274             "Directory size invalid");
275         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
276             InvalidParameter();
277     }
278     if (dirVersion == smbiosDir.dirVersion)
279     {
280         teminate = true;
281     }
282     else
283     {
284         if (remainingEntries > 0)
285         {
286             teminate = false;
287         }
288         else
289         {
290             teminate = true;
291             smbiosDir.dirVersion = dirVersion;
292         }
293         uint8_t idIndex = dirIndex;
294         smbiosDir.dirEntries = returnedEntries;
295 
296         uint8_t* pData = dirEntry.data();
297         if (pData == nullptr)
298         {
299             return false;
300         }
301         for (uint8_t index = 0; index < returnedEntries; index++)
302         {
303             auto data = reinterpret_cast<const DataIdStruct*>(pData);
304             std::copy(data->dataInfo, data->dataInfo + sizeof(DataIdStruct),
305                       smbiosDir.dir[idIndex + index].common.id.dataInfo);
306             pData += sizeof(DataIdStruct);
307         }
308     }
309     return teminate;
310 }
311 
312 bool MDRV2::sendDataInformation(uint8_t idIndex, uint8_t /* flag */,
313                                 uint32_t dataLen, uint32_t dataVer,
314                                 uint32_t timeStamp)
315 {
316     if (idIndex >= maxDirEntries)
317     {
318         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
319             InvalidParameter();
320     }
321     int entryChanged = 0;
322     if (smbiosDir.dir[idIndex].common.dataSetSize != dataLen)
323     {
324         entryChanged++;
325         smbiosDir.dir[idIndex].common.dataSetSize = dataLen;
326     }
327 
328     if (smbiosDir.dir[idIndex].common.dataVersion != dataVer)
329     {
330         entryChanged++;
331         smbiosDir.dir[idIndex].common.dataVersion = dataVer;
332     }
333 
334     if (smbiosDir.dir[idIndex].common.timestamp != timeStamp)
335     {
336         entryChanged++;
337         smbiosDir.dir[idIndex].common.timestamp = timeStamp;
338     }
339     if (entryChanged == 0)
340     {
341         return false;
342     }
343     return true;
344 }
345 
346 int MDRV2::findIdIndex(std::vector<uint8_t> dataInfo)
347 {
348     if (dataInfo.size() != sizeof(DataIdStruct))
349     {
350         phosphor::logging::log<phosphor::logging::level::ERR>(
351             "Length of dataInfo invalid");
352         throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
353             InvalidId();
354     }
355     std::array<uint8_t, 16> arrayDataInfo;
356 
357     std::copy(dataInfo.begin(), dataInfo.end(), arrayDataInfo.begin());
358 
359     for (int index = 0; index < smbiosDir.dirEntries; index++)
360     {
361         size_t info = 0;
362         for (; info < arrayDataInfo.size(); info++)
363         {
364             if (arrayDataInfo[info] !=
365                 smbiosDir.dir[index].common.id.dataInfo[info])
366             {
367                 break;
368             }
369         }
370         if (info == arrayDataInfo.size())
371         {
372             return index;
373         }
374     }
375     throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::InvalidId();
376 }
377 
378 uint8_t MDRV2::directoryEntries(uint8_t value)
379 {
380     std::ifstream smbiosFile(mdrType2File, std::ios_base::binary);
381     if (!smbiosFile.good())
382     {
383         phosphor::logging::log<phosphor::logging::level::ERR>(
384             "Read data from flash error - Open MDRV2 table file failure");
385         value = 0;
386     }
387     else
388     {
389         value = smbiosDir.dirEntries;
390     }
391     return sdbusplus::server::xyz::openbmc_project::smbios::MDRV2::
392         directoryEntries(value);
393 }
394 
395 void MDRV2::systemInfoUpdate()
396 {
397     std::string motherboardPath;
398     auto method = bus.new_method_call(mapperBusName, mapperPath,
399                                       mapperInterface, "GetSubTreePaths");
400     method.append(systemInterfacePath);
401     method.append(0);
402     method.append(std::vector<std::string>({systemInterface}));
403 
404     try
405     {
406         std::vector<std::string> paths;
407         sdbusplus::message_t reply = bus.call(method);
408         reply.read(paths);
409         if (paths.size() < 1)
410         {
411             phosphor::logging::log<phosphor::logging::level::ERR>(
412                 "Failed to get system motherboard dbus path. Setting up a "
413                 "match rule");
414             // Add match rule if motherboard dbus path is not yet created
415             static std::unique_ptr<sdbusplus::bus::match_t>
416                 motherboardConfigMatch =
417                     std::make_unique<sdbusplus::bus::match_t>(
418                         bus,
419                         sdbusplus::bus::match::rules::interfacesAdded() +
420                             sdbusplus::bus::match::rules::argNpath(
421                                 0,
422                                 "/xyz/openbmc_project/inventory/system/board/"),
423                         [this](sdbusplus::message_t& msg) {
424                 sdbusplus::message::object_path objectName;
425                 boost::container::flat_map<
426                     std::string,
427                     boost::container::flat_map<
428                         std::string, std::variant<std::string, uint64_t>>>
429                     msgData;
430                 msg.read(objectName, msgData);
431                 if (msgData.contains(systemInterface))
432                 {
433                     this->systemInfoUpdate();
434                 }
435                         });
436         }
437         else
438         {
439             motherboardPath = std::move(paths[0]);
440         }
441     }
442     catch (const sdbusplus::exception_t& e)
443     {
444         phosphor::logging::log<phosphor::logging::level::ERR>(
445             "Failed to query system motherboard",
446             phosphor::logging::entry("ERROR=%s", e.what()));
447     }
448 
449     std::optional<size_t> num = getTotalCpuSlot();
450     if (!num)
451     {
452         phosphor::logging::log<phosphor::logging::level::ERR>(
453             "get cpu total slot failed");
454         return;
455     }
456 
457     // In case the new size is smaller than old, trim the vector
458     if (*num < cpus.size())
459     {
460         cpus.resize(*num);
461     }
462 
463     for (unsigned int index = 0; index < *num; index++)
464     {
465         std::string path = cpuPath + std::to_string(index);
466         if (index + 1 > cpus.size())
467         {
468             cpus.emplace_back(std::make_unique<phosphor::smbios::Cpu>(
469                 bus, path, index, smbiosDir.dir[smbiosDirIndex].dataStorage,
470                 motherboardPath));
471         }
472         else
473         {
474             cpus[index]->infoUpdate(smbiosDir.dir[smbiosDirIndex].dataStorage,
475                                     motherboardPath);
476         }
477     }
478 
479 #ifdef DIMM_DBUS
480 
481     num = getTotalDimmSlot();
482     if (!num)
483     {
484         phosphor::logging::log<phosphor::logging::level::ERR>(
485             "get dimm total slot failed");
486         return;
487     }
488 
489     // In case the new size is smaller than old, trim the vector
490     if (*num < dimms.size())
491     {
492         dimms.resize(*num);
493     }
494 
495     for (unsigned int index = 0; index < *num; index++)
496     {
497         std::string path = dimmPath + std::to_string(index);
498         if (index + 1 > dimms.size())
499         {
500             dimms.emplace_back(std::make_unique<phosphor::smbios::Dimm>(
501                 bus, path, index, smbiosDir.dir[smbiosDirIndex].dataStorage,
502                 motherboardPath));
503         }
504         else
505         {
506             dimms[index]->memoryInfoUpdate(
507                 smbiosDir.dir[smbiosDirIndex].dataStorage, motherboardPath);
508         }
509     }
510 
511 #endif
512 
513     num = getTotalPcieSlot();
514     if (!num)
515     {
516         phosphor::logging::log<phosphor::logging::level::ERR>(
517             "get pcie total slot failed");
518         return;
519     }
520 
521     // In case the new size is smaller than old, trim the vector
522     if (*num < pcies.size())
523     {
524         pcies.resize(*num);
525     }
526 
527     for (unsigned int index = 0; index < *num; index++)
528     {
529         std::string path = pciePath + std::to_string(index);
530         if (index + 1 > pcies.size())
531         {
532             pcies.emplace_back(std::make_unique<phosphor::smbios::Pcie>(
533                 bus, path, index, smbiosDir.dir[smbiosDirIndex].dataStorage,
534                 motherboardPath));
535         }
536         else
537         {
538             pcies[index]->pcieInfoUpdate(
539                 smbiosDir.dir[smbiosDirIndex].dataStorage, motherboardPath);
540         }
541     }
542 
543     system.reset();
544     system = std::make_unique<System>(
545         bus, systemPath, smbiosDir.dir[smbiosDirIndex].dataStorage);
546 }
547 
548 std::optional<size_t> MDRV2::getTotalCpuSlot()
549 {
550     uint8_t* dataIn = smbiosDir.dir[smbiosDirIndex].dataStorage;
551     size_t num = 0;
552 
553     if (dataIn == nullptr)
554     {
555         phosphor::logging::log<phosphor::logging::level::ERR>(
556             "get cpu total slot failed - no storage data");
557         return std::nullopt;
558     }
559 
560     while (1)
561     {
562         dataIn = getSMBIOSTypePtr(dataIn, processorsType);
563         if (dataIn == nullptr)
564         {
565             break;
566         }
567         num++;
568         dataIn = smbiosNextPtr(dataIn);
569         if (dataIn == nullptr)
570         {
571             break;
572         }
573         if (num >= limitEntryLen)
574         {
575             break;
576         }
577     }
578 
579     return num;
580 }
581 
582 std::optional<size_t> MDRV2::getTotalDimmSlot()
583 {
584     uint8_t* dataIn = smbiosDir.dir[smbiosDirIndex].dataStorage;
585     size_t num = 0;
586 
587     if (dataIn == nullptr)
588     {
589         phosphor::logging::log<phosphor::logging::level::ERR>(
590             "Fail to get dimm total slot - no storage data");
591         return std::nullopt;
592     }
593 
594     while (1)
595     {
596         dataIn = getSMBIOSTypePtr(dataIn, memoryDeviceType);
597         if (dataIn == nullptr)
598         {
599             break;
600         }
601         num++;
602         dataIn = smbiosNextPtr(dataIn);
603         if (dataIn == nullptr)
604         {
605             break;
606         }
607         if (num >= limitEntryLen)
608         {
609             break;
610         }
611     }
612 
613     return num;
614 }
615 
616 std::optional<size_t> MDRV2::getTotalPcieSlot()
617 {
618     uint8_t* dataIn = smbiosDir.dir[smbiosDirIndex].dataStorage;
619     size_t num = 0;
620 
621     if (dataIn == nullptr)
622     {
623         phosphor::logging::log<phosphor::logging::level::ERR>(
624             "Fail to get total system slot - no storage data");
625         return std::nullopt;
626     }
627 
628     while (1)
629     {
630         dataIn = getSMBIOSTypePtr(dataIn, systemSlots);
631         if (dataIn == nullptr)
632         {
633             break;
634         }
635 
636         /* System slot type offset. Check if the slot is a PCIE slots. All
637          * PCIE slot type are hardcoded in a table.
638          */
639         if (pcieSmbiosType.find(*(dataIn + 5)) != pcieSmbiosType.end())
640         {
641             num++;
642         }
643         dataIn = smbiosNextPtr(dataIn);
644         if (dataIn == nullptr)
645         {
646             break;
647         }
648         if (num >= limitEntryLen)
649         {
650             break;
651         }
652     }
653 
654     return num;
655 }
656 
657 bool MDRV2::checkSMBIOSVersion(uint8_t* dataIn)
658 {
659     const std::string anchorString21 = "_SM_";
660     const std::string anchorString30 = "_SM3_";
661     std::string buffer(dataIn, dataIn + smbiosTableStorageSize);
662 
663     auto it = std::search(std::begin(buffer), std::end(buffer),
664                           std::begin(anchorString21), std::end(anchorString21));
665     bool smbios21Found = it != std::end(buffer);
666     if (!smbios21Found)
667     {
668         phosphor::logging::log<phosphor::logging::level::INFO>(
669             "SMBIOS 2.1 Anchor String not found. Looking for SMBIOS 3.0");
670         it = std::search(std::begin(buffer), std::end(buffer),
671                          std::begin(anchorString30), std::end(anchorString30));
672         if (it == std::end(buffer))
673         {
674             phosphor::logging::log<phosphor::logging::level::ERR>(
675                 "SMBIOS 2.1 and 3.0 Anchor Strings not found");
676             return false;
677         }
678     }
679 
680     auto pos = std::distance(std::begin(buffer), it);
681     size_t length = smbiosTableStorageSize - pos;
682     uint8_t foundMajorVersion;
683     uint8_t foundMinorVersion;
684 
685     if (smbios21Found)
686     {
687         if (length < sizeof(EntryPointStructure21))
688         {
689             phosphor::logging::log<phosphor::logging::level::ERR>(
690                 "Invalid entry point structure for SMBIOS 2.1");
691             return false;
692         }
693 
694         auto epStructure =
695             reinterpret_cast<const EntryPointStructure21*>(&dataIn[pos]);
696         foundMajorVersion = epStructure->smbiosVersion.majorVersion;
697         foundMinorVersion = epStructure->smbiosVersion.minorVersion;
698     }
699     else
700     {
701         if (length < sizeof(EntryPointStructure30))
702         {
703             phosphor::logging::log<phosphor::logging::level::ERR>(
704                 "Invalid entry point structure for SMBIOS 3.0");
705             return false;
706         }
707 
708         auto epStructure =
709             reinterpret_cast<const EntryPointStructure30*>(&dataIn[pos]);
710         foundMajorVersion = epStructure->smbiosVersion.majorVersion;
711         foundMinorVersion = epStructure->smbiosVersion.minorVersion;
712     }
713     lg2::info("SMBIOS VERSION - {MAJOR}.{MINOR}", "MAJOR", foundMajorVersion,
714               "MINOR", foundMinorVersion);
715 
716     auto itr = std::find_if(std::begin(supportedSMBIOSVersions),
717                             std::end(supportedSMBIOSVersions),
718                             [&](SMBIOSVersion versionItr) {
719         return versionItr.majorVersion == foundMajorVersion &&
720                versionItr.minorVersion == foundMinorVersion;
721     });
722     if (itr == std::end(supportedSMBIOSVersions))
723     {
724         return false;
725     }
726     return true;
727 }
728 
729 bool MDRV2::agentSynchronizeData()
730 {
731     struct MDRSMBIOSHeader mdr2SMBIOS;
732     bool status = readDataFromFlash(&mdr2SMBIOS,
733                                     smbiosDir.dir[smbiosDirIndex].dataStorage);
734     if (!status)
735     {
736         phosphor::logging::log<phosphor::logging::level::ERR>(
737             "agent data sync failed - read data from flash failed");
738         return false;
739     }
740 
741     if (!checkSMBIOSVersion(smbiosDir.dir[smbiosDirIndex].dataStorage))
742     {
743         phosphor::logging::log<phosphor::logging::level::ERR>(
744             "Unsupported SMBIOS table version");
745         return false;
746     }
747 
748     systemInfoUpdate();
749     smbiosDir.dir[smbiosDirIndex].common.dataVersion = mdr2SMBIOS.dirVer;
750     smbiosDir.dir[smbiosDirIndex].common.timestamp = mdr2SMBIOS.timestamp;
751     smbiosDir.dir[smbiosDirIndex].common.size = mdr2SMBIOS.dataSize;
752     smbiosDir.dir[smbiosDirIndex].stage = MDR2SMBIOSStatusEnum::mdr2Loaded;
753     smbiosDir.dir[smbiosDirIndex].lock = MDR2DirLockEnum::mdr2DirUnlock;
754 
755     return true;
756 }
757 
758 std::vector<uint32_t> MDRV2::synchronizeDirectoryCommonData(uint8_t idIndex,
759                                                             uint32_t size)
760 {
761     std::chrono::microseconds usec(
762         defaultTimeout); // default lock time out is 2s
763     std::vector<uint32_t> result;
764     smbiosDir.dir[idIndex].common.size = size;
765     result.push_back(smbiosDir.dir[idIndex].common.dataSetSize);
766     result.push_back(smbiosDir.dir[idIndex].common.dataVersion);
767     result.push_back(smbiosDir.dir[idIndex].common.timestamp);
768 
769     timer.expires_after(usec);
770     timer.async_wait([this](boost::system::error_code ec) {
771         if (ec || this == nullptr)
772         {
773             phosphor::logging::log<phosphor::logging::level::ERR>(
774                 "Timer Error!");
775             return;
776         }
777         agentSynchronizeData();
778     });
779     return result;
780 }
781 
782 std::vector<boost::container::flat_map<std::string, RecordVariant>>
783     MDRV2::getRecordType(size_t type)
784 {
785     std::vector<boost::container::flat_map<std::string, RecordVariant>> ret;
786     if (type == memoryDeviceType)
787     {
788         uint8_t* dataIn = smbiosDir.dir[smbiosDirIndex].dataStorage;
789 
790         if (dataIn == nullptr)
791         {
792             throw std::runtime_error("Data not populated");
793         }
794 
795         do
796         {
797             dataIn = getSMBIOSTypePtr(dataIn, memoryDeviceType,
798                                       sizeof(MemoryInfo));
799             if (dataIn == nullptr)
800             {
801                 break;
802             }
803             boost::container::flat_map<std::string, RecordVariant>& record =
804                 ret.emplace_back();
805 
806             auto memoryInfo = reinterpret_cast<MemoryInfo*>(dataIn);
807 
808             record["Type"] = memoryInfo->type;
809             record["Length"] = memoryInfo->length;
810             record["Handle"] = uint16_t(memoryInfo->handle);
811             record["Physical Memory Array Handle"] =
812                 uint16_t(memoryInfo->phyArrayHandle);
813             record["Memory Error Information Handle"] =
814                 uint16_t(memoryInfo->errInfoHandle);
815             record["Total Width"] = uint16_t(memoryInfo->totalWidth);
816             record["Data Width"] = uint16_t(memoryInfo->dataWidth);
817             record["Size"] = uint16_t(memoryInfo->size);
818             record["Form Factor"] = memoryInfo->formFactor;
819             record["Device Set"] = memoryInfo->deviceSet;
820             record["Device Locator"] = positionToString(
821                 memoryInfo->deviceLocator, memoryInfo->length, dataIn);
822             record["Bank Locator"] = positionToString(
823                 memoryInfo->bankLocator, memoryInfo->length, dataIn);
824             record["Memory Type"] = memoryInfo->memoryType;
825             record["Type Detail"] = uint16_t(memoryInfo->typeDetail);
826             record["Speed"] = uint16_t(memoryInfo->speed);
827             record["Manufacturer"] = positionToString(
828                 memoryInfo->manufacturer, memoryInfo->length, dataIn);
829             record["Serial Number"] = positionToString(
830                 memoryInfo->serialNum, memoryInfo->length, dataIn);
831             record["Asset Tag"] = positionToString(memoryInfo->assetTag,
832                                                    memoryInfo->length, dataIn);
833             record["Part Number"] = positionToString(
834                 memoryInfo->partNum, memoryInfo->length, dataIn);
835             record["Attributes"] = uint32_t(memoryInfo->attributes);
836             record["Extended Size"] = uint32_t(memoryInfo->extendedSize);
837             record["Configured Memory Speed"] =
838                 uint32_t(memoryInfo->confClockSpeed);
839             record["Minimum voltage"] = uint16_t(memoryInfo->minimumVoltage);
840             record["Maximum voltage"] = uint16_t(memoryInfo->maximumVoltage);
841             record["Configured voltage"] =
842                 uint16_t(memoryInfo->configuredVoltage);
843             record["Memory Technology"] = memoryInfo->memoryTechnology;
844             record["Memory Operating Mode Capabilty"] =
845                 uint16_t(memoryInfo->memoryOperatingModeCap);
846             record["Firmare Version"] = memoryInfo->firwareVersion;
847             record["Module Manufacturer ID"] =
848                 uint16_t(memoryInfo->modelManufId);
849             record["Module Product ID"] = uint16_t(memoryInfo->modelProdId);
850             record["Memory Subsystem Controller Manufacturer ID"] =
851                 uint16_t(memoryInfo->memSubConManufId);
852             record["Memory Subsystem Controller Product Id"] =
853                 uint16_t(memoryInfo->memSubConProdId);
854             record["Non-volatile Size"] = uint64_t(memoryInfo->nvSize);
855             record["Volatile Size"] = uint64_t(memoryInfo->volatileSize);
856             record["Cache Size"] = uint64_t(memoryInfo->cacheSize);
857             record["Logical Size"] = uint64_t(memoryInfo->logicalSize);
858         } while ((dataIn = smbiosNextPtr(dataIn)) != nullptr);
859 
860         return ret;
861     }
862 
863     throw std::invalid_argument("Invalid record type");
864     return ret;
865 }
866 
867 } // namespace smbios
868 } // namespace phosphor
869