1 #include "storagehandler.hpp"
2 
3 #include "fruread.hpp"
4 #include "read_fru_data.hpp"
5 #include "selutility.hpp"
6 #include "sensorhandler.hpp"
7 #include "storageaddsel.hpp"
8 
9 #include <arpa/inet.h>
10 #include <mapper.h>
11 #include <systemd/sd-bus.h>
12 
13 #include <algorithm>
14 #include <chrono>
15 #include <cstdio>
16 #include <cstring>
17 #include <filesystem>
18 #include <ipmid/api.hpp>
19 #include <ipmid/utils.hpp>
20 #include <phosphor-logging/elog-errors.hpp>
21 #include <phosphor-logging/log.hpp>
22 #include <sdbusplus/server.hpp>
23 #include <string>
24 #include <variant>
25 #include <xyz/openbmc_project/Common/error.hpp>
26 
27 void register_netfn_storage_functions() __attribute__((constructor));
28 
29 unsigned int g_sel_time = 0xFFFFFFFF;
30 namespace ipmi
31 {
32 namespace sensor
33 {
34 extern const IdInfoMap sensors;
35 } // namespace sensor
36 } // namespace ipmi
37 
38 extern const FruMap frus;
39 constexpr uint8_t eventDataSize = 3;
40 namespace
41 {
42 constexpr auto TIME_INTERFACE = "xyz.openbmc_project.Time.EpochTime";
43 constexpr auto BMC_TIME_PATH = "/xyz/openbmc_project/time/bmc";
44 constexpr auto DBUS_PROPERTIES = "org.freedesktop.DBus.Properties";
45 constexpr auto PROPERTY_ELAPSED = "Elapsed";
46 
47 } // namespace
48 
49 namespace cache
50 {
51 /*
52  * This cache contains the object paths of the logging entries sorted in the
53  * order of the filename(numeric order). The cache is initialized by
54  * invoking readLoggingObjectPaths with the cache as the parameter. The
55  * cache is invoked in the execution of the Get SEL info and Delete SEL
56  * entry command. The Get SEL Info command is typically invoked before the
57  * Get SEL entry command, so the cache is utilized for responding to Get SEL
58  * entry command. The cache is invalidated by clearing after Delete SEL
59  * entry and Clear SEL command.
60  */
61 ipmi::sel::ObjectPaths paths;
62 
63 } // namespace cache
64 
65 using InternalFailure =
66     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
67 using namespace phosphor::logging;
68 using namespace ipmi::fru;
69 
70 /**
71  * @enum Device access mode
72  */
73 enum class AccessMode
74 {
75     bytes, ///< Device is accessed by bytes
76     words  ///< Device is accessed by words
77 };
78 
79 /** @brief implements the get SEL Info command
80  *  @returns IPMI completion code plus response data
81  *   - selVersion - SEL revision
82  *   - entries    - Number of log entries in SEL.
83  *   - freeSpace  - Free Space in bytes.
84  *   - addTimeStamp - Most recent addition timestamp
85  *   - eraseTimeStamp - Most recent erase timestamp
86  *   - operationSupport - Reserve & Delete SEL operations supported
87  */
88 
89 ipmi::RspType<uint8_t,  // SEL revision.
90               uint16_t, // number of log entries in SEL.
91               uint16_t, // free Space in bytes.
92               uint32_t, // most recent addition timestamp
93               uint32_t, // most recent erase timestamp.
94 
95               bool,    // SEL allocation info supported
96               bool,    // reserve SEL supported
97               bool,    // partial Add SEL Entry supported
98               bool,    // delete SEL supported
99               uint3_t, // reserved
100               bool     // overflow flag
101               >
102     ipmiStorageGetSelInfo()
103 {
104     uint16_t entries = 0;
105     // Most recent addition timestamp.
106     uint32_t addTimeStamp = ipmi::sel::invalidTimeStamp;
107 
108     try
109     {
110         ipmi::sel::readLoggingObjectPaths(cache::paths);
111     }
112     catch (const sdbusplus::exception::SdBusError& e)
113     {
114         // No action if reading log objects have failed for this command.
115         // readLoggingObjectPaths will throw exception if there are no log
116         // entries. The command will be responded with number of SEL entries
117         // as 0.
118     }
119 
120     if (!cache::paths.empty())
121     {
122         entries = static_cast<uint16_t>(cache::paths.size());
123 
124         try
125         {
126             addTimeStamp = static_cast<uint32_t>(
127                 (ipmi::sel::getEntryTimeStamp(cache::paths.back()).count()));
128         }
129         catch (InternalFailure& e)
130         {
131         }
132         catch (const std::runtime_error& e)
133         {
134             log<level::ERR>(e.what());
135         }
136     }
137 
138     constexpr uint8_t selVersion = ipmi::sel::selVersion;
139     constexpr uint16_t freeSpace = 0xFFFF;
140     constexpr uint32_t eraseTimeStamp = ipmi::sel::invalidTimeStamp;
141     constexpr uint3_t reserved{0};
142 
143     return ipmi::responseSuccess(
144         selVersion, entries, freeSpace, addTimeStamp, eraseTimeStamp,
145         ipmi::sel::operationSupport::getSelAllocationInfo,
146         ipmi::sel::operationSupport::reserveSel,
147         ipmi::sel::operationSupport::partialAddSelEntry,
148         ipmi::sel::operationSupport::deleteSel, reserved,
149         ipmi::sel::operationSupport::overflow);
150 }
151 
152 ipmi_ret_t getSELEntry(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
153                        ipmi_request_t request, ipmi_response_t response,
154                        ipmi_data_len_t data_len, ipmi_context_t context)
155 {
156     if (*data_len != sizeof(ipmi::sel::GetSELEntryRequest))
157     {
158         *data_len = 0;
159         return IPMI_CC_REQ_DATA_LEN_INVALID;
160     }
161 
162     auto requestData =
163         reinterpret_cast<const ipmi::sel::GetSELEntryRequest*>(request);
164 
165     if (requestData->reservationID != 0)
166     {
167         if (!checkSELReservation(requestData->reservationID))
168         {
169             *data_len = 0;
170             return IPMI_CC_INVALID_RESERVATION_ID;
171         }
172     }
173 
174     if (cache::paths.empty())
175     {
176         *data_len = 0;
177         return IPMI_CC_SENSOR_INVALID;
178     }
179 
180     ipmi::sel::ObjectPaths::const_iterator iter;
181 
182     // Check for the requested SEL Entry.
183     if (requestData->selRecordID == ipmi::sel::firstEntry)
184     {
185         iter = cache::paths.begin();
186     }
187     else if (requestData->selRecordID == ipmi::sel::lastEntry)
188     {
189         iter = cache::paths.end();
190     }
191     else
192     {
193         std::string objPath = std::string(ipmi::sel::logBasePath) + "/" +
194                               std::to_string(requestData->selRecordID);
195 
196         iter = std::find(cache::paths.begin(), cache::paths.end(), objPath);
197         if (iter == cache::paths.end())
198         {
199             *data_len = 0;
200             return IPMI_CC_SENSOR_INVALID;
201         }
202     }
203 
204     ipmi::sel::GetSELEntryResponse record{};
205 
206     // Convert the log entry into SEL record.
207     try
208     {
209         record = ipmi::sel::convertLogEntrytoSEL(*iter);
210     }
211     catch (InternalFailure& e)
212     {
213         *data_len = 0;
214         return IPMI_CC_UNSPECIFIED_ERROR;
215     }
216     catch (const std::runtime_error& e)
217     {
218         log<level::ERR>(e.what());
219         *data_len = 0;
220         return IPMI_CC_UNSPECIFIED_ERROR;
221     }
222 
223     // Identify the next SEL record ID
224     if (iter != cache::paths.end())
225     {
226         ++iter;
227         if (iter == cache::paths.end())
228         {
229             record.nextRecordID = ipmi::sel::lastEntry;
230         }
231         else
232         {
233             namespace fs = std::filesystem;
234             fs::path path(*iter);
235             record.nextRecordID = static_cast<uint16_t>(
236                 std::stoul(std::string(path.filename().c_str())));
237         }
238     }
239     else
240     {
241         record.nextRecordID = ipmi::sel::lastEntry;
242     }
243 
244     if (requestData->readLength == ipmi::sel::entireRecord)
245     {
246         std::memcpy(response, &record, sizeof(record));
247         *data_len = sizeof(record);
248     }
249     else
250     {
251         if (requestData->offset >= ipmi::sel::selRecordSize ||
252             requestData->readLength > ipmi::sel::selRecordSize)
253         {
254             *data_len = 0;
255             return IPMI_CC_INVALID_FIELD_REQUEST;
256         }
257 
258         auto diff = ipmi::sel::selRecordSize - requestData->offset;
259         auto readLength =
260             std::min(diff, static_cast<int>(requestData->readLength));
261 
262         std::memcpy(response, &record.nextRecordID,
263                     sizeof(record.nextRecordID));
264         std::memcpy(static_cast<uint8_t*>(response) +
265                         sizeof(record.nextRecordID),
266                     &record.event.eventRecord.recordID + requestData->offset,
267                     readLength);
268         *data_len = sizeof(record.nextRecordID) + readLength;
269     }
270 
271     return IPMI_CC_OK;
272 }
273 
274 /** @brief implements the delete SEL entry command
275  * @request
276  *   - reservationID; // reservation ID.
277  *   - selRecordID;   // SEL record ID.
278  *
279  *  @returns ipmi completion code plus response data
280  *   - Record ID of the deleted record
281  */
282 ipmi::RspType<uint16_t // deleted record ID
283               >
284     deleteSELEntry(uint16_t reservationID, uint16_t selRecordID)
285 {
286 
287     namespace fs = std::filesystem;
288 
289     if (!checkSELReservation(reservationID))
290     {
291         return ipmi::responseInvalidReservationId();
292     }
293 
294     // Per the IPMI spec, need to cancel the reservation when a SEL entry is
295     // deleted
296     cancelSELReservation();
297 
298     try
299     {
300         ipmi::sel::readLoggingObjectPaths(cache::paths);
301     }
302     catch (const sdbusplus::exception::SdBusError& e)
303     {
304         // readLoggingObjectPaths will throw exception if there are no error
305         // log entries.
306         return ipmi::responseSensorInvalid();
307     }
308 
309     if (cache::paths.empty())
310     {
311         return ipmi::responseSensorInvalid();
312     }
313 
314     ipmi::sel::ObjectPaths::const_iterator iter;
315     uint16_t delRecordID = 0;
316 
317     if (selRecordID == ipmi::sel::firstEntry)
318     {
319         iter = cache::paths.begin();
320         fs::path path(*iter);
321         delRecordID = static_cast<uint16_t>(
322             std::stoul(std::string(path.filename().c_str())));
323     }
324     else if (selRecordID == ipmi::sel::lastEntry)
325     {
326         iter = cache::paths.end();
327         fs::path path(*iter);
328         delRecordID = static_cast<uint16_t>(
329             std::stoul(std::string(path.filename().c_str())));
330     }
331     else
332     {
333         std::string objPath = std::string(ipmi::sel::logBasePath) + "/" +
334                               std::to_string(selRecordID);
335 
336         iter = std::find(cache::paths.begin(), cache::paths.end(), objPath);
337         if (iter == cache::paths.end())
338         {
339             return ipmi::responseSensorInvalid();
340         }
341         delRecordID = selRecordID;
342     }
343 
344     sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
345     std::string service;
346 
347     try
348     {
349         service = ipmi::getService(bus, ipmi::sel::logDeleteIntf, *iter);
350     }
351     catch (const std::runtime_error& e)
352     {
353         log<level::ERR>(e.what());
354         return ipmi::responseUnspecifiedError();
355     }
356 
357     auto methodCall = bus.new_method_call(service.c_str(), (*iter).c_str(),
358                                           ipmi::sel::logDeleteIntf, "Delete");
359     auto reply = bus.call(methodCall);
360     if (reply.is_method_error())
361     {
362         return ipmi::responseUnspecifiedError();
363     }
364 
365     // Invalidate the cache of dbus entry objects.
366     cache::paths.clear();
367 
368     return ipmi::responseSuccess(delRecordID);
369 }
370 
371 /** @brief implements the Clear SEL command
372  * @request
373  *   - reservationID   // Reservation ID.
374  *   - clr             // char array { 'C'(0x43h), 'L'(0x4Ch), 'R'(0x52h) }
375  *   - eraseOperation; // requested operation.
376  *
377  *  @returns ipmi completion code plus response data
378  *   - erase status
379  */
380 
381 ipmi::RspType<uint8_t // erase status
382               >
383     clearSEL(uint16_t reservationID, const std::array<char, 3>& clr,
384              uint8_t eraseOperation)
385 {
386     static constexpr std::array<char, 3> clrOk = {'C', 'L', 'R'};
387     if (clr != clrOk)
388     {
389         return ipmi::responseInvalidFieldRequest();
390     }
391 
392     if (!checkSELReservation(reservationID))
393     {
394         return ipmi::responseInvalidReservationId();
395     }
396 
397     /*
398      * Erasure status cannot be fetched from DBUS, so always return erasure
399      * status as `erase completed`.
400      */
401     if (eraseOperation == ipmi::sel::getEraseStatus)
402     {
403         return ipmi::responseSuccess(
404             static_cast<uint8_t>(ipmi::sel::eraseComplete));
405     }
406 
407     // Per the IPMI spec, need to cancel any reservation when the SEL is cleared
408     cancelSELReservation();
409 
410     sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
411     ipmi::sel::ObjectPaths objectPaths;
412     auto depth = 0;
413 
414     auto mapperCall =
415         bus.new_method_call(ipmi::sel::mapperBusName, ipmi::sel::mapperObjPath,
416                             ipmi::sel::mapperIntf, "GetSubTreePaths");
417     mapperCall.append(ipmi::sel::logBasePath);
418     mapperCall.append(depth);
419     mapperCall.append(ipmi::sel::ObjectPaths({ipmi::sel::logEntryIntf}));
420 
421     try
422     {
423         auto reply = bus.call(mapperCall);
424         if (reply.is_method_error())
425         {
426             return ipmi::responseSuccess(
427                 static_cast<uint8_t>(ipmi::sel::eraseComplete));
428         }
429 
430         reply.read(objectPaths);
431         if (objectPaths.empty())
432         {
433             return ipmi::responseSuccess(
434                 static_cast<uint8_t>(ipmi::sel::eraseComplete));
435         }
436     }
437     catch (const sdbusplus::exception::SdBusError& e)
438     {
439         return ipmi::responseSuccess(
440             static_cast<uint8_t>(ipmi::sel::eraseComplete));
441     }
442 
443     std::string service;
444 
445     try
446     {
447         service = ipmi::getService(bus, ipmi::sel::logDeleteIntf,
448                                    objectPaths.front());
449     }
450     catch (const std::runtime_error& e)
451     {
452         log<level::ERR>(e.what());
453         return ipmi::responseUnspecifiedError();
454     }
455 
456     for (const auto& iter : objectPaths)
457     {
458         auto methodCall = bus.new_method_call(
459             service.c_str(), iter.c_str(), ipmi::sel::logDeleteIntf, "Delete");
460 
461         auto reply = bus.call(methodCall);
462         if (reply.is_method_error())
463         {
464             return ipmi::responseUnspecifiedError();
465         }
466     }
467 
468     // Invalidate the cache of dbus entry objects.
469     cache::paths.clear();
470     return ipmi::responseSuccess(
471         static_cast<uint8_t>(ipmi::sel::eraseComplete));
472 }
473 
474 /** @brief implements the get SEL time command
475  *  @returns IPMI completion code plus response data
476  *   -current time
477  */
478 ipmi::RspType<uint32_t> // current time
479     ipmiStorageGetSelTime()
480 {
481     using namespace std::chrono;
482     uint64_t bmc_time_usec = 0;
483     std::stringstream bmcTime;
484 
485     try
486     {
487         sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
488         auto service = ipmi::getService(bus, TIME_INTERFACE, BMC_TIME_PATH);
489         std::variant<uint64_t> value;
490 
491         // Get bmc time
492         auto method = bus.new_method_call(service.c_str(), BMC_TIME_PATH,
493                                           DBUS_PROPERTIES, "Get");
494 
495         method.append(TIME_INTERFACE, PROPERTY_ELAPSED);
496         auto reply = bus.call(method);
497         if (reply.is_method_error())
498         {
499             log<level::ERR>("Error getting time",
500                             entry("SERVICE=%s", service.c_str()),
501                             entry("PATH=%s", BMC_TIME_PATH));
502             return ipmi::responseUnspecifiedError();
503         }
504         reply.read(value);
505         bmc_time_usec = std::get<uint64_t>(value);
506     }
507     catch (InternalFailure& e)
508     {
509         log<level::ERR>(e.what());
510         return ipmi::responseUnspecifiedError();
511     }
512     catch (const std::exception& e)
513     {
514         log<level::ERR>(e.what());
515         return ipmi::responseUnspecifiedError();
516     }
517 
518     bmcTime << "BMC time:"
519             << duration_cast<seconds>(microseconds(bmc_time_usec)).count();
520     log<level::DEBUG>(bmcTime.str().c_str());
521 
522     // Time is really long int but IPMI wants just uint32. This works okay until
523     // the number of seconds since 1970 overflows uint32 size.. Still a whole
524     // lot of time here to even think about that.
525     return ipmi::responseSuccess(
526         duration_cast<seconds>(microseconds(bmc_time_usec)).count());
527 }
528 
529 /** @brief implements the set SEL time command
530  *  @param selDeviceTime - epoch time
531  *        -local time as the number of seconds from 00:00:00, January 1, 1970
532  *  @returns IPMI completion code
533  */
534 ipmi::RspType<> ipmiStorageSetSelTime(uint32_t selDeviceTime)
535 {
536     using namespace std::chrono;
537     microseconds usec{seconds(selDeviceTime)};
538 
539     try
540     {
541         sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
542         auto service = ipmi::getService(bus, TIME_INTERFACE, BMC_TIME_PATH);
543         std::variant<uint64_t> value{(uint64_t)usec.count()};
544 
545         // Set bmc time
546         auto method = bus.new_method_call(service.c_str(), BMC_TIME_PATH,
547                                           DBUS_PROPERTIES, "Set");
548 
549         method.append(TIME_INTERFACE, PROPERTY_ELAPSED, value);
550         auto reply = bus.call(method);
551         if (reply.is_method_error())
552         {
553             log<level::ERR>("Error setting time",
554                             entry("SERVICE=%s", service.c_str()),
555                             entry("PATH=%s", BMC_TIME_PATH));
556             return ipmi::responseUnspecifiedError();
557         }
558     }
559     catch (InternalFailure& e)
560     {
561         log<level::ERR>(e.what());
562         return ipmi::responseUnspecifiedError();
563     }
564     catch (const std::exception& e)
565     {
566         log<level::ERR>(e.what());
567         return ipmi::responseUnspecifiedError();
568     }
569 
570     return ipmi::responseSuccess();
571 }
572 
573 /** @brief implements the reserve SEL command
574  *  @returns IPMI completion code plus response data
575  *   - SEL reservation ID.
576  */
577 ipmi::RspType<uint16_t> ipmiStorageReserveSel()
578 {
579     return ipmi::responseSuccess(reserveSel());
580 }
581 
582 /** @brief implements the Add SEL entry command
583  * @request
584  *
585  *   - recordID      ID used for SEL Record access
586  *   - recordType    Record Type
587  *   - timeStamp     Time when event was logged. LS byte first
588  *   - generatorID   software ID if event was generated from
589  *                   system software
590  *   - evmRev        event message format version
591  *   - sensorType    sensor type code for service that generated
592  *                   the event
593  *   - sensorNumber  number of sensors that generated the event
594  *   - eventDir     event dir
595  *   - eventData    event data field contents
596  *
597  *  @returns ipmi completion code plus response data
598  *   - RecordID of the Added SEL entry
599  */
600 ipmi::RspType<uint16_t // recordID of the Added SEL entry
601               >
602     ipmiStorageAddSEL(uint16_t recordID, uint8_t recordType, uint32_t timeStamp,
603                       uint16_t generatorID, uint8_t evmRev, uint8_t sensorType,
604                       uint8_t sensorNumber, uint8_t eventDir,
605                       std::array<uint8_t, eventDataSize> eventData)
606 {
607     // Per the IPMI spec, need to cancel the reservation when a SEL entry is
608     // added
609     cancelSELReservation();
610     // Hostboot sends SEL with OEM record type 0xDE to indicate that there is
611     // a maintenance procedure associated with eSEL record.
612     static constexpr auto procedureType = 0xDE;
613     if (recordType == procedureType)
614     {
615         // In the OEM record type 0xDE, byte 11 in the SEL record indicate the
616         // procedure number.
617         createProcedureLogEntry(sensorType);
618     }
619 
620     return ipmi::responseSuccess(recordID);
621 }
622 
623 bool isFruPresent(const std::string& fruPath)
624 {
625     using namespace ipmi::fru;
626 
627     sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
628 
629     auto propValue =
630         ipmi::getDbusProperty(bus, invMgrInterface, invObjPath + fruPath,
631                               invItemInterface, itemPresentProp);
632 
633     return std::get<bool>(propValue);
634 }
635 
636 /** @brief implements the get FRU Inventory Area Info command
637  *
638  *  @returns IPMI completion code plus response data
639  *   - FRU Inventory area size in bytes,
640  *   - access bit
641  **/
642 ipmi::RspType<uint16_t, // FRU Inventory area size in bytes,
643               uint8_t   // access size (bytes / words)
644               >
645     ipmiStorageGetFruInvAreaInfo(uint8_t fruID)
646 {
647 
648     auto iter = frus.find(fruID);
649     if (iter == frus.end())
650     {
651         return ipmi::responseSensorInvalid();
652     }
653 
654     auto path = iter->second[0].path;
655     if (!isFruPresent(path))
656     {
657         return ipmi::responseSensorInvalid();
658     }
659 
660     try
661     {
662         return ipmi::responseSuccess(
663             static_cast<uint16_t>(getFruAreaData(fruID).size()),
664             static_cast<uint8_t>(AccessMode::bytes));
665     }
666     catch (const InternalFailure& e)
667     {
668         log<level::ERR>(e.what());
669         return ipmi::responseUnspecifiedError();
670     }
671 }
672 
673 /**@brief implements the Read FRU Data command
674  * @param fruDeviceId - FRU device ID. FFh = reserved
675  * @param offset      - FRU inventory offset to read
676  * @param readCount   - count to read
677  *
678  * @return IPMI completion code plus response data
679  * - returnCount - response data count.
680  * - data        -  response data
681  */
682 ipmi::RspType<uint8_t,              // count returned
683               std::vector<uint8_t>> // FRU data
684     ipmiStorageReadFruData(uint8_t fruDeviceId, uint16_t offset,
685                            uint8_t readCount)
686 {
687     if (fruDeviceId == 0xFF)
688     {
689         return ipmi::responseInvalidFieldRequest();
690     }
691 
692     auto iter = frus.find(fruDeviceId);
693     if (iter == frus.end())
694     {
695         return ipmi::responseSensorInvalid();
696     }
697 
698     try
699     {
700         const auto& fruArea = getFruAreaData(fruDeviceId);
701         auto size = fruArea.size();
702 
703         if (offset >= size)
704         {
705             return ipmi::responseParmOutOfRange();
706         }
707 
708         // Write the count of response data.
709         uint8_t returnCount;
710         if ((offset + readCount) <= size)
711         {
712             returnCount = readCount;
713         }
714         else
715         {
716             returnCount = size - offset;
717         }
718 
719         std::vector<uint8_t> fruData((fruArea.begin() + offset),
720                                      (fruArea.begin() + offset + returnCount));
721 
722         return ipmi::responseSuccess(returnCount, fruData);
723     }
724     catch (const InternalFailure& e)
725     {
726         log<level::ERR>(e.what());
727         return ipmi::responseUnspecifiedError();
728     }
729 }
730 
731 ipmi::RspType<uint8_t,  // SDR version
732               uint16_t, // record count LS first
733               uint16_t, // free space in bytes, LS first
734               uint32_t, // addition timestamp LS first
735               uint32_t, // deletion timestamp LS first
736               uint8_t>  // operation Support
737     ipmiGetRepositoryInfo()
738 {
739 
740     constexpr uint8_t sdrVersion = 0x51;
741     constexpr uint16_t freeSpace = 0xFFFF;
742     constexpr uint32_t additionTimestamp = 0x0;
743     constexpr uint32_t deletionTimestamp = 0x0;
744     constexpr uint8_t operationSupport = 0;
745 
746     uint16_t records = frus.size() + ipmi::sensor::sensors.size();
747 
748     return ipmi::responseSuccess(sdrVersion, records, freeSpace,
749                                  additionTimestamp, deletionTimestamp,
750                                  operationSupport);
751 }
752 
753 void register_netfn_storage_functions()
754 {
755     // <Get SEL Info>
756     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
757                           ipmi::storage::cmdGetSelInfo, ipmi::Privilege::User,
758                           ipmiStorageGetSelInfo);
759 
760     // <Get SEL Time>
761     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
762                           ipmi::storage::cmdGetSelTime, ipmi::Privilege::User,
763                           ipmiStorageGetSelTime);
764 
765     // <Set SEL Time>
766     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
767                           ipmi::storage::cmdSetSelTime,
768                           ipmi::Privilege::Operator, ipmiStorageSetSelTime);
769 
770     // <Reserve SEL>
771     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
772                           ipmi::storage::cmdReserveSel, ipmi::Privilege::User,
773                           ipmiStorageReserveSel);
774     // <Get SEL Entry>
775     ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_GET_SEL_ENTRY, NULL,
776                            getSELEntry, PRIVILEGE_USER);
777 
778     // <Delete SEL Entry>
779     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
780                           ipmi::storage::cmdDeleteSelEntry,
781                           ipmi::Privilege::Operator, deleteSELEntry);
782 
783     // <Add SEL Entry>
784     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
785                           ipmi::storage::cmdAddSelEntry,
786                           ipmi::Privilege::Operator, ipmiStorageAddSEL);
787 
788     // <Clear SEL>
789     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
790                           ipmi::storage::cmdClearSel, ipmi::Privilege::Operator,
791                           clearSEL);
792 
793     // <Get FRU Inventory Area Info>
794     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
795                           ipmi::storage::cmdGetFruInventoryAreaInfo,
796                           ipmi::Privilege::User, ipmiStorageGetFruInvAreaInfo);
797 
798     // <READ FRU Data>
799     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
800                           ipmi::storage::cmdReadFruData,
801                           ipmi::Privilege::Operator, ipmiStorageReadFruData);
802 
803     // <Get Repository Info>
804     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
805                           ipmi::storage::cmdGetSdrRepositoryInfo,
806                           ipmi::Privilege::User, ipmiGetRepositoryInfo);
807 
808     // <Reserve SDR Repository>
809     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage,
810                           ipmi::storage::cmdReserveSdrRepository,
811                           ipmi::Privilege::User, ipmiSensorReserveSdr);
812 
813     // <Get SDR>
814     ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_GET_SDR, nullptr,
815                            ipmi_sen_get_sdr, PRIVILEGE_USER);
816 
817     ipmi::fru::registerCallbackHandler();
818     return;
819 }
820