1 #include "config.h"
2 
3 #include "sensorhandler.hpp"
4 
5 #include "entity_map_json.hpp"
6 #include "fruread.hpp"
7 
8 #include <mapper.h>
9 #include <systemd/sd-bus.h>
10 
11 #include <bitset>
12 #include <cmath>
13 #include <cstring>
14 #include <ipmid/api.hpp>
15 #include <ipmid/types.hpp>
16 #include <ipmid/utils.hpp>
17 #include <phosphor-logging/elog-errors.hpp>
18 #include <phosphor-logging/log.hpp>
19 #include <sdbusplus/message/types.hpp>
20 #include <set>
21 #include <xyz/openbmc_project/Common/error.hpp>
22 #include <xyz/openbmc_project/Sensor/Value/server.hpp>
23 
24 static constexpr uint8_t fruInventoryDevice = 0x10;
25 static constexpr uint8_t IPMIFruInventory = 0x02;
26 static constexpr uint8_t BMCSlaveAddress = 0x20;
27 
28 extern int updateSensorRecordFromSSRAESC(const void*);
29 extern sd_bus* bus;
30 
31 namespace ipmi
32 {
33 namespace sensor
34 {
35 extern const IdInfoMap sensors;
36 } // namespace sensor
37 } // namespace ipmi
38 
39 extern const FruMap frus;
40 
41 using namespace phosphor::logging;
42 using InternalFailure =
43     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
44 
45 void register_netfn_sen_functions() __attribute__((constructor));
46 
47 struct sensorTypemap_t
48 {
49     uint8_t number;
50     uint8_t typecode;
51     char dbusname[32];
52 };
53 
54 sensorTypemap_t g_SensorTypeMap[] = {
55 
56     {0x01, 0x6F, "Temp"},
57     {0x0C, 0x6F, "DIMM"},
58     {0x0C, 0x6F, "MEMORY_BUFFER"},
59     {0x07, 0x6F, "PROC"},
60     {0x07, 0x6F, "CORE"},
61     {0x07, 0x6F, "CPU"},
62     {0x0F, 0x6F, "BootProgress"},
63     {0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor
64                                // type code os 0x09
65     {0xC3, 0x6F, "BootCount"},
66     {0x1F, 0x6F, "OperatingSystemStatus"},
67     {0x12, 0x6F, "SYSTEM_EVENT"},
68     {0xC7, 0x03, "SYSTEM"},
69     {0xC7, 0x03, "MAIN_PLANAR"},
70     {0xC2, 0x6F, "PowerCap"},
71     {0x0b, 0xCA, "PowerSupplyRedundancy"},
72     {0xDA, 0x03, "TurboAllowed"},
73     {0xD8, 0xC8, "PowerSupplyDerating"},
74     {0xFF, 0x00, ""},
75 };
76 
77 struct sensor_data_t
78 {
79     uint8_t sennum;
80 } __attribute__((packed));
81 
82 using SDRCacheMap = std::unordered_map<uint8_t, get_sdr::SensorDataFullRecord>;
83 SDRCacheMap sdrCacheMap __attribute__((init_priority(101)));
84 
85 using SensorThresholdMap =
86     std::unordered_map<uint8_t, get_sdr::GetSensorThresholdsResponse>;
87 SensorThresholdMap sensorThresholdMap __attribute__((init_priority(101)));
88 
89 #ifdef FEATURE_SENSORS_CACHE
90 std::map<uint8_t, std::unique_ptr<sdbusplus::bus::match::match>>
91     sensorAddedMatches __attribute__((init_priority(101)));
92 std::map<uint8_t, std::unique_ptr<sdbusplus::bus::match::match>>
93     sensorUpdatedMatches __attribute__((init_priority(101)));
94 
95 ipmi::sensor::SensorCacheMap sensorCacheMap __attribute__((init_priority(101)));
96 
97 void initSensorMatches()
98 {
99     using namespace sdbusplus::bus::match::rules;
100     sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
101     for (const auto& s : ipmi::sensor::sensors)
102     {
103         sensorAddedMatches.emplace(
104             s.first,
105             std::make_unique<sdbusplus::bus::match::match>(
106                 bus, interfacesAdded() + argNpath(0, s.second.sensorPath),
107                 [id = s.first, obj = s.second.sensorPath](auto& /*msg*/) {
108                     // TODO
109                 }));
110         sensorUpdatedMatches.emplace(
111             s.first, std::make_unique<sdbusplus::bus::match::match>(
112                          bus,
113                          type::signal() + path(s.second.sensorPath) +
114                              member("PropertiesChanged"s) +
115                              interface("org.freedesktop.DBus.Properties"s),
116                          [&s](auto& msg) {
117                              try
118                              {
119                                  s.second.getFunc(s.first, s.second, msg);
120                              }
121                              catch (const std::exception& e)
122                              {
123                                  sensorCacheMap[s.first].reset();
124                              }
125                          }));
126     }
127 }
128 #endif
129 
130 int get_bus_for_path(const char* path, char** busname)
131 {
132     return mapper_get_service(bus, path, busname);
133 }
134 
135 // Use a lookup table to find the interface name of a specific sensor
136 // This will be used until an alternative is found.  this is the first
137 // step for mapping IPMI
138 int find_openbmc_path(uint8_t num, dbus_interface_t* interface)
139 {
140     int rc;
141 
142     const auto& sensor_it = ipmi::sensor::sensors.find(num);
143     if (sensor_it == ipmi::sensor::sensors.end())
144     {
145         // The sensor map does not contain the sensor requested
146         return -EINVAL;
147     }
148 
149     const auto& info = sensor_it->second;
150 
151     char* busname = nullptr;
152     rc = get_bus_for_path(info.sensorPath.c_str(), &busname);
153     if (rc < 0)
154     {
155         std::fprintf(stderr, "Failed to get %s busname: %s\n",
156                      info.sensorPath.c_str(), busname);
157         goto final;
158     }
159 
160     interface->sensortype = info.sensorType;
161     strcpy(interface->bus, busname);
162     strcpy(interface->path, info.sensorPath.c_str());
163     // Take the interface name from the beginning of the DbusInterfaceMap. This
164     // works for the Value interface but may not suffice for more complex
165     // sensors.
166     // tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103
167     strcpy(interface->interface,
168            info.propertyInterfaces.begin()->first.c_str());
169     interface->sensornumber = num;
170 
171 final:
172     free(busname);
173     return rc;
174 }
175 
176 /////////////////////////////////////////////////////////////////////
177 //
178 // Routines used by ipmi commands wanting to interact on the dbus
179 //
180 /////////////////////////////////////////////////////////////////////
181 int set_sensor_dbus_state_s(uint8_t number, const char* method,
182                             const char* value)
183 {
184 
185     dbus_interface_t a;
186     int r;
187     sd_bus_error error = SD_BUS_ERROR_NULL;
188     sd_bus_message* m = NULL;
189 
190     r = find_openbmc_path(number, &a);
191 
192     if (r < 0)
193     {
194         std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
195         return 0;
196     }
197 
198     r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface,
199                                        method);
200     if (r < 0)
201     {
202         std::fprintf(stderr, "Failed to create a method call: %s",
203                      strerror(-r));
204         goto final;
205     }
206 
207     r = sd_bus_message_append(m, "v", "s", value);
208     if (r < 0)
209     {
210         std::fprintf(stderr, "Failed to create a input parameter: %s",
211                      strerror(-r));
212         goto final;
213     }
214 
215     r = sd_bus_call(bus, m, 0, &error, NULL);
216     if (r < 0)
217     {
218         std::fprintf(stderr, "Failed to call the method: %s", strerror(-r));
219     }
220 
221 final:
222     sd_bus_error_free(&error);
223     m = sd_bus_message_unref(m);
224 
225     return 0;
226 }
227 int set_sensor_dbus_state_y(uint8_t number, const char* method,
228                             const uint8_t value)
229 {
230 
231     dbus_interface_t a;
232     int r;
233     sd_bus_error error = SD_BUS_ERROR_NULL;
234     sd_bus_message* m = NULL;
235 
236     r = find_openbmc_path(number, &a);
237 
238     if (r < 0)
239     {
240         std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
241         return 0;
242     }
243 
244     r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface,
245                                        method);
246     if (r < 0)
247     {
248         std::fprintf(stderr, "Failed to create a method call: %s",
249                      strerror(-r));
250         goto final;
251     }
252 
253     r = sd_bus_message_append(m, "v", "i", value);
254     if (r < 0)
255     {
256         std::fprintf(stderr, "Failed to create a input parameter: %s",
257                      strerror(-r));
258         goto final;
259     }
260 
261     r = sd_bus_call(bus, m, 0, &error, NULL);
262     if (r < 0)
263     {
264         std::fprintf(stderr, "12 Failed to call the method: %s", strerror(-r));
265     }
266 
267 final:
268     sd_bus_error_free(&error);
269     m = sd_bus_message_unref(m);
270 
271     return 0;
272 }
273 
274 uint8_t dbus_to_sensor_type(char* p)
275 {
276 
277     sensorTypemap_t* s = g_SensorTypeMap;
278     char r = 0;
279     while (s->number != 0xFF)
280     {
281         if (!strcmp(s->dbusname, p))
282         {
283             r = s->typecode;
284             break;
285         }
286         s++;
287     }
288 
289     if (s->number == 0xFF)
290         printf("Failed to find Sensor Type %s\n", p);
291 
292     return r;
293 }
294 
295 uint8_t get_type_from_interface(dbus_interface_t dbus_if)
296 {
297 
298     uint8_t type;
299 
300     // This is where sensors that do not exist in dbus but do
301     // exist in the host code stop.  This should indicate it
302     // is not a supported sensor
303     if (dbus_if.interface[0] == 0)
304     {
305         return 0;
306     }
307 
308     // Fetch type from interface itself.
309     if (dbus_if.sensortype != 0)
310     {
311         type = dbus_if.sensortype;
312     }
313     else
314     {
315         // Non InventoryItems
316         char* p = strrchr(dbus_if.path, '/');
317         type = dbus_to_sensor_type(p + 1);
318     }
319 
320     return type;
321 }
322 
323 // Replaces find_sensor
324 uint8_t find_type_for_sensor_number(uint8_t num)
325 {
326     int r;
327     dbus_interface_t dbus_if;
328     r = find_openbmc_path(num, &dbus_if);
329     if (r < 0)
330     {
331         std::fprintf(stderr, "Could not find sensor %d\n", num);
332         return 0;
333     }
334     return get_type_from_interface(dbus_if);
335 }
336 
337 /**
338  *  @brief implements the get sensor type command.
339  *  @param - sensorNumber
340  *
341  *  @return IPMI completion code plus response data on success.
342  *   - sensorType
343  *   - eventType
344  **/
345 
346 ipmi::RspType<uint8_t, // sensorType
347               uint8_t  // eventType
348               >
349     ipmiGetSensorType(uint8_t sensorNumber)
350 {
351     uint8_t sensorType = find_type_for_sensor_number(sensorNumber);
352 
353     if (sensorType == 0)
354     {
355         return ipmi::responseSensorInvalid();
356     }
357 
358     constexpr uint8_t eventType = 0x6F;
359     return ipmi::responseSuccess(sensorType, eventType);
360 }
361 
362 const std::set<std::string> analogSensorInterfaces = {
363     "xyz.openbmc_project.Sensor.Value",
364     "xyz.openbmc_project.Control.FanPwm",
365 };
366 
367 bool isAnalogSensor(const std::string& interface)
368 {
369     return (analogSensorInterfaces.count(interface));
370 }
371 
372 /**
373 @brief This command is used to set sensorReading.
374 
375 @param
376     -  sensorNumber
377     -  operation
378     -  reading
379     -  assertOffset0_7
380     -  assertOffset8_14
381     -  deassertOffset0_7
382     -  deassertOffset8_14
383     -  eventData1
384     -  eventData2
385     -  eventData3
386 
387 @return completion code on success.
388 **/
389 
390 ipmi::RspType<> ipmiSetSensorReading(uint8_t sensorNumber, uint8_t operation,
391                                      uint8_t reading, uint8_t assertOffset0_7,
392                                      uint8_t assertOffset8_14,
393                                      uint8_t deassertOffset0_7,
394                                      uint8_t deassertOffset8_14,
395                                      uint8_t eventData1, uint8_t eventData2,
396                                      uint8_t eventData3)
397 {
398     log<level::DEBUG>("IPMI SET_SENSOR",
399                       entry("SENSOR_NUM=0x%02x", sensorNumber));
400 
401     if (sensorNumber == 0xFF)
402     {
403         return ipmi::responseInvalidFieldRequest();
404     }
405     ipmi::sensor::SetSensorReadingReq cmdData;
406 
407     cmdData.number = sensorNumber;
408     cmdData.operation = operation;
409     cmdData.reading = reading;
410     cmdData.assertOffset0_7 = assertOffset0_7;
411     cmdData.assertOffset8_14 = assertOffset8_14;
412     cmdData.deassertOffset0_7 = deassertOffset0_7;
413     cmdData.deassertOffset8_14 = deassertOffset8_14;
414     cmdData.eventData1 = eventData1;
415     cmdData.eventData2 = eventData2;
416     cmdData.eventData3 = eventData3;
417 
418     // Check if the Sensor Number is present
419     const auto iter = ipmi::sensor::sensors.find(sensorNumber);
420     if (iter == ipmi::sensor::sensors.end())
421     {
422         updateSensorRecordFromSSRAESC(&sensorNumber);
423         return ipmi::responseSuccess();
424     }
425 
426     try
427     {
428         if (ipmi::sensor::Mutability::Write !=
429             (iter->second.mutability & ipmi::sensor::Mutability::Write))
430         {
431             log<level::ERR>("Sensor Set operation is not allowed",
432                             entry("SENSOR_NUM=%d", sensorNumber));
433             return ipmi::responseIllegalCommand();
434         }
435         auto ipmiRC = iter->second.updateFunc(cmdData, iter->second);
436         return ipmi::response(ipmiRC);
437     }
438     catch (const InternalFailure& e)
439     {
440         log<level::ERR>("Set sensor failed",
441                         entry("SENSOR_NUM=%d", sensorNumber));
442         commit<InternalFailure>();
443         return ipmi::responseUnspecifiedError();
444     }
445     catch (const std::runtime_error& e)
446     {
447         log<level::ERR>(e.what());
448         return ipmi::responseUnspecifiedError();
449     }
450 }
451 
452 /** @brief implements the get sensor reading command
453  *  @param sensorNum - sensor number
454  *
455  *  @returns IPMI completion code plus response data
456  *   - senReading           - sensor reading
457  *   - reserved
458  *   - readState            - sensor reading state enabled
459  *   - senScanState         - sensor scan state disabled
460  *   - allEventMessageState - all Event message state disabled
461  *   - assertionStatesLsb   - threshold levels states
462  *   - assertionStatesMsb   - discrete reading sensor states
463  */
464 ipmi::RspType<uint8_t, // sensor reading
465 
466               uint5_t, // reserved
467               bool,    // reading state
468               bool,    // 0 = sensor scanning state disabled
469               bool,    // 0 = all event messages disabled
470 
471               uint8_t, // threshold levels states
472               uint8_t  // discrete reading sensor states
473               >
474     ipmiSensorGetSensorReading(uint8_t sensorNum)
475 {
476     if (sensorNum == 0xFF)
477     {
478         return ipmi::responseInvalidFieldRequest();
479     }
480 
481     const auto iter = ipmi::sensor::sensors.find(sensorNum);
482     if (iter == ipmi::sensor::sensors.end())
483     {
484         return ipmi::responseSensorInvalid();
485     }
486     if (ipmi::sensor::Mutability::Read !=
487         (iter->second.mutability & ipmi::sensor::Mutability::Read))
488     {
489         return ipmi::responseIllegalCommand();
490     }
491 
492     try
493     {
494 #ifdef FEATURE_SENSORS_CACHE
495         // TODO
496         const auto& sensorData = sensorCacheMap[sensorNum];
497         if (!sensorData.has_value())
498         {
499             // Intitilizing with default values
500             constexpr uint8_t senReading = 0;
501             constexpr uint5_t reserved{0};
502             constexpr bool readState = true;
503             constexpr bool senScanState = false;
504             constexpr bool allEventMessageState = false;
505             constexpr uint8_t assertionStatesLsb = 0;
506             constexpr uint8_t assertionStatesMsb = 0;
507 
508             return ipmi::responseSuccess(
509                 senReading, reserved, readState, senScanState,
510                 allEventMessageState, assertionStatesLsb, assertionStatesMsb);
511         }
512         return ipmi::responseSuccess(
513             sensorData->response.reading, uint5_t(0),
514             sensorData->response.readingOrStateUnavailable,
515             sensorData->response.scanningEnabled,
516             sensorData->response.allEventMessagesEnabled,
517             sensorData->response.thresholdLevelsStates,
518             sensorData->response.discreteReadingSensorStates);
519 
520 #else
521         ipmi::sensor::GetSensorResponse getResponse =
522             iter->second.getFunc(iter->second);
523 
524         return ipmi::responseSuccess(getResponse.reading, uint5_t(0),
525                                      getResponse.readingOrStateUnavailable,
526                                      getResponse.scanningEnabled,
527                                      getResponse.allEventMessagesEnabled,
528                                      getResponse.thresholdLevelsStates,
529                                      getResponse.discreteReadingSensorStates);
530 #endif
531     }
532 #ifdef UPDATE_FUNCTIONAL_ON_FAIL
533     catch (const SensorFunctionalError& e)
534     {
535         return ipmi::responseResponseError();
536     }
537 #endif
538     catch (const std::exception& e)
539     {
540         // Intitilizing with default values
541         constexpr uint8_t senReading = 0;
542         constexpr uint5_t reserved{0};
543         constexpr bool readState = true;
544         constexpr bool senScanState = false;
545         constexpr bool allEventMessageState = false;
546         constexpr uint8_t assertionStatesLsb = 0;
547         constexpr uint8_t assertionStatesMsb = 0;
548 
549         return ipmi::responseSuccess(senReading, reserved, readState,
550                                      senScanState, allEventMessageState,
551                                      assertionStatesLsb, assertionStatesMsb);
552     }
553 }
554 
555 get_sdr::GetSensorThresholdsResponse
556     getSensorThresholds(ipmi::Context::ptr& ctx, uint8_t sensorNum)
557 {
558     get_sdr::GetSensorThresholdsResponse resp{};
559     constexpr auto warningThreshIntf =
560         "xyz.openbmc_project.Sensor.Threshold.Warning";
561     constexpr auto criticalThreshIntf =
562         "xyz.openbmc_project.Sensor.Threshold.Critical";
563 
564     const auto iter = ipmi::sensor::sensors.find(sensorNum);
565     const auto info = iter->second;
566 
567     std::string service;
568     boost::system::error_code ec;
569     ec = ipmi::getService(ctx, info.sensorInterface, info.sensorPath, service);
570     if (ec)
571     {
572         return resp;
573     }
574 
575     ipmi::PropertyMap warnThresholds;
576     ec = ipmi::getAllDbusProperties(ctx, service, info.sensorPath,
577                                     warningThreshIntf, warnThresholds);
578     if (!ec)
579     {
580         double warnLow = std::visit(ipmi::VariantToDoubleVisitor(),
581                                     warnThresholds["WarningLow"]);
582         double warnHigh = std::visit(ipmi::VariantToDoubleVisitor(),
583                                      warnThresholds["WarningHigh"]);
584 
585         if (std::isfinite(warnLow))
586         {
587             warnLow *= std::pow(10, info.scale - info.exponentR);
588             resp.lowerNonCritical = static_cast<uint8_t>(
589                 (warnLow - info.scaledOffset) / info.coefficientM);
590             resp.validMask |= static_cast<uint8_t>(
591                 ipmi::sensor::ThresholdMask::NON_CRITICAL_LOW_MASK);
592         }
593 
594         if (std::isfinite(warnHigh))
595         {
596             warnHigh *= std::pow(10, info.scale - info.exponentR);
597             resp.upperNonCritical = static_cast<uint8_t>(
598                 (warnHigh - info.scaledOffset) / info.coefficientM);
599             resp.validMask |= static_cast<uint8_t>(
600                 ipmi::sensor::ThresholdMask::NON_CRITICAL_HIGH_MASK);
601         }
602     }
603 
604     ipmi::PropertyMap critThresholds;
605     ec = ipmi::getAllDbusProperties(ctx, service, info.sensorPath,
606                                     criticalThreshIntf, critThresholds);
607     if (!ec)
608     {
609         double critLow = std::visit(ipmi::VariantToDoubleVisitor(),
610                                     critThresholds["CriticalLow"]);
611         double critHigh = std::visit(ipmi::VariantToDoubleVisitor(),
612                                      critThresholds["CriticalHigh"]);
613 
614         if (std::isfinite(critLow))
615         {
616             critLow *= std::pow(10, info.scale - info.exponentR);
617             resp.lowerCritical = static_cast<uint8_t>(
618                 (critLow - info.scaledOffset) / info.coefficientM);
619             resp.validMask |= static_cast<uint8_t>(
620                 ipmi::sensor::ThresholdMask::CRITICAL_LOW_MASK);
621         }
622 
623         if (std::isfinite(critHigh))
624         {
625             critHigh *= std::pow(10, info.scale - info.exponentR);
626             resp.upperCritical = static_cast<uint8_t>(
627                 (critHigh - info.scaledOffset) / info.coefficientM);
628             resp.validMask |= static_cast<uint8_t>(
629                 ipmi::sensor::ThresholdMask::CRITICAL_HIGH_MASK);
630         }
631     }
632 
633     return resp;
634 }
635 
636 /** @brief implements the get sensor thresholds command
637  *  @param ctx - IPMI context pointer
638  *  @param sensorNum - sensor number
639  *
640  *  @returns IPMI completion code plus response data
641  *   - validMask - threshold mask
642  *   - lower non-critical threshold - IPMI messaging state
643  *   - lower critical threshold - link authentication state
644  *   - lower non-recoverable threshold - callback state
645  *   - upper non-critical threshold
646  *   - upper critical
647  *   - upper non-recoverable
648  */
649 ipmi::RspType<uint8_t, // validMask
650               uint8_t, // lowerNonCritical
651               uint8_t, // lowerCritical
652               uint8_t, // lowerNonRecoverable
653               uint8_t, // upperNonCritical
654               uint8_t, // upperCritical
655               uint8_t  // upperNonRecoverable
656               >
657     ipmiSensorGetSensorThresholds(ipmi::Context::ptr& ctx, uint8_t sensorNum)
658 {
659     constexpr auto valueInterface = "xyz.openbmc_project.Sensor.Value";
660 
661     const auto iter = ipmi::sensor::sensors.find(sensorNum);
662     if (iter == ipmi::sensor::sensors.end())
663     {
664         return ipmi::responseSensorInvalid();
665     }
666 
667     const auto info = iter->second;
668 
669     // Proceed only if the sensor value interface is implemented.
670     if (info.propertyInterfaces.find(valueInterface) ==
671         info.propertyInterfaces.end())
672     {
673         // return with valid mask as 0
674         return ipmi::responseSuccess();
675     }
676 
677     auto it = sensorThresholdMap.find(sensorNum);
678     if (it == sensorThresholdMap.end())
679     {
680         sensorThresholdMap[sensorNum] = getSensorThresholds(ctx, sensorNum);
681     }
682 
683     const auto& resp = sensorThresholdMap[sensorNum];
684 
685     return ipmi::responseSuccess(resp.validMask, resp.lowerNonCritical,
686                                  resp.lowerCritical, resp.lowerNonRecoverable,
687                                  resp.upperNonCritical, resp.upperCritical,
688                                  resp.upperNonRecoverable);
689 }
690 
691 /** @brief implements the Set Sensor threshold command
692  *  @param sensorNumber        - sensor number
693  *  @param lowerNonCriticalThreshMask
694  *  @param lowerCriticalThreshMask
695  *  @param lowerNonRecovThreshMask
696  *  @param upperNonCriticalThreshMask
697  *  @param upperCriticalThreshMask
698  *  @param upperNonRecovThreshMask
699  *  @param reserved
700  *  @param lowerNonCritical    - lower non-critical threshold
701  *  @param lowerCritical       - Lower critical threshold
702  *  @param lowerNonRecoverable - Lower non recovarable threshold
703  *  @param upperNonCritical    - Upper non-critical threshold
704  *  @param upperCritical       - Upper critical
705  *  @param upperNonRecoverable - Upper Non-recoverable
706  *
707  *  @returns IPMI completion code
708  */
709 ipmi::RspType<> ipmiSenSetSensorThresholds(
710     ipmi::Context::ptr& ctx, uint8_t sensorNum, bool lowerNonCriticalThreshMask,
711     bool lowerCriticalThreshMask, bool lowerNonRecovThreshMask,
712     bool upperNonCriticalThreshMask, bool upperCriticalThreshMask,
713     bool upperNonRecovThreshMask, uint2_t reserved, uint8_t lowerNonCritical,
714     uint8_t lowerCritical, uint8_t lowerNonRecoverable,
715     uint8_t upperNonCritical, uint8_t upperCritical,
716     uint8_t upperNonRecoverable)
717 {
718     if (reserved)
719     {
720         return ipmi::responseInvalidFieldRequest();
721     }
722 
723     // lower nc and upper nc not suppported on any sensor
724     if (lowerNonRecovThreshMask || upperNonRecovThreshMask)
725     {
726         return ipmi::responseInvalidFieldRequest();
727     }
728 
729     // if none of the threshold mask are set, nothing to do
730     if (!(lowerNonCriticalThreshMask | lowerCriticalThreshMask |
731           lowerNonRecovThreshMask | upperNonCriticalThreshMask |
732           upperCriticalThreshMask | upperNonRecovThreshMask))
733     {
734         return ipmi::responseSuccess();
735     }
736 
737     constexpr auto valueInterface = "xyz.openbmc_project.Sensor.Value";
738 
739     const auto iter = ipmi::sensor::sensors.find(sensorNum);
740     if (iter == ipmi::sensor::sensors.end())
741     {
742         return ipmi::responseSensorInvalid();
743     }
744 
745     const auto& info = iter->second;
746 
747     // Proceed only if the sensor value interface is implemented.
748     if (info.propertyInterfaces.find(valueInterface) ==
749         info.propertyInterfaces.end())
750     {
751         // return with valid mask as 0
752         return ipmi::responseSuccess();
753     }
754 
755     constexpr auto warningThreshIntf =
756         "xyz.openbmc_project.Sensor.Threshold.Warning";
757     constexpr auto criticalThreshIntf =
758         "xyz.openbmc_project.Sensor.Threshold.Critical";
759 
760     std::string service;
761     boost::system::error_code ec;
762     ec = ipmi::getService(ctx, info.sensorInterface, info.sensorPath, service);
763     if (ec)
764     {
765         return ipmi::responseResponseError();
766     }
767     // store a vector of property name, value to set, and interface
768     std::vector<std::tuple<std::string, uint8_t, std::string>> thresholdsToSet;
769 
770     // define the indexes of the tuple
771     constexpr uint8_t propertyName = 0;
772     constexpr uint8_t thresholdValue = 1;
773     constexpr uint8_t interface = 2;
774     // verifiy all needed fields are present
775     if (lowerCriticalThreshMask || upperCriticalThreshMask)
776     {
777 
778         ipmi::PropertyMap findThreshold;
779         ec = ipmi::getAllDbusProperties(ctx, service, info.sensorPath,
780                                         criticalThreshIntf, findThreshold);
781 
782         if (!ec)
783         {
784             if (lowerCriticalThreshMask)
785             {
786                 auto findLower = findThreshold.find("CriticalLow");
787                 if (findLower == findThreshold.end())
788                 {
789                     return ipmi::responseInvalidFieldRequest();
790                 }
791                 thresholdsToSet.emplace_back("CriticalLow", lowerCritical,
792                                              criticalThreshIntf);
793             }
794             if (upperCriticalThreshMask)
795             {
796                 auto findUpper = findThreshold.find("CriticalHigh");
797                 if (findUpper == findThreshold.end())
798                 {
799                     return ipmi::responseInvalidFieldRequest();
800                 }
801                 thresholdsToSet.emplace_back("CriticalHigh", upperCritical,
802                                              criticalThreshIntf);
803             }
804         }
805     }
806     if (lowerNonCriticalThreshMask || upperNonCriticalThreshMask)
807     {
808         ipmi::PropertyMap findThreshold;
809         ec = ipmi::getAllDbusProperties(ctx, service, info.sensorPath,
810                                         warningThreshIntf, findThreshold);
811 
812         if (!ec)
813         {
814             if (lowerNonCriticalThreshMask)
815             {
816                 auto findLower = findThreshold.find("WarningLow");
817                 if (findLower == findThreshold.end())
818                 {
819                     return ipmi::responseInvalidFieldRequest();
820                 }
821                 thresholdsToSet.emplace_back("WarningLow", lowerNonCritical,
822                                              warningThreshIntf);
823             }
824             if (upperNonCriticalThreshMask)
825             {
826                 auto findUpper = findThreshold.find("WarningHigh");
827                 if (findUpper == findThreshold.end())
828                 {
829                     return ipmi::responseInvalidFieldRequest();
830                 }
831                 thresholdsToSet.emplace_back("WarningHigh", upperNonCritical,
832                                              warningThreshIntf);
833             }
834         }
835     }
836     for (const auto& property : thresholdsToSet)
837     {
838         // from section 36.3 in the IPMI Spec, assume all linear
839         double valueToSet =
840             ((info.coefficientM * std::get<thresholdValue>(property)) +
841              (info.scaledOffset * std::pow(10.0, info.scale))) *
842             std::pow(10.0, info.exponentR);
843         ipmi::setDbusProperty(
844             ctx, service, info.sensorPath, std::get<interface>(property),
845             std::get<propertyName>(property), ipmi::Value(valueToSet));
846     }
847 
848     // Invalidate the cache
849     sensorThresholdMap.erase(sensorNum);
850     return ipmi::responseSuccess();
851 }
852 
853 /** @brief implements the get SDR Info command
854  *  @param count - Operation
855  *
856  *  @returns IPMI completion code plus response data
857  *   - sdrCount - sensor/SDR count
858  *   - lunsAndDynamicPopulation - static/Dynamic sensor population flag
859  */
860 ipmi::RspType<uint8_t, // respcount
861               uint8_t  // dynamic population flags
862               >
863     ipmiSensorGetDeviceSdrInfo(std::optional<uint8_t> count)
864 {
865     uint8_t sdrCount;
866     // multiple LUNs not supported.
867     constexpr uint8_t lunsAndDynamicPopulation = 1;
868     constexpr uint8_t getSdrCount = 0x01;
869     constexpr uint8_t getSensorCount = 0x00;
870 
871     if (count.value_or(0) == getSdrCount)
872     {
873         // Get SDR count. This returns the total number of SDRs in the device.
874         const auto& entityRecords =
875             ipmi::sensor::EntityInfoMapContainer::getContainer()
876                 ->getIpmiEntityRecords();
877         sdrCount =
878             ipmi::sensor::sensors.size() + frus.size() + entityRecords.size();
879     }
880     else if (count.value_or(0) == getSensorCount)
881     {
882         // Get Sensor count. This returns the number of sensors
883         sdrCount = ipmi::sensor::sensors.size();
884     }
885     else
886     {
887         return ipmi::responseInvalidCommandOnLun();
888     }
889 
890     return ipmi::responseSuccess(sdrCount, lunsAndDynamicPopulation);
891 }
892 
893 /** @brief implements the reserve SDR command
894  *  @returns IPMI completion code plus response data
895  *   - reservationID - reservation ID
896  */
897 ipmi::RspType<uint16_t> ipmiSensorReserveSdr()
898 {
899     // A constant reservation ID is okay until we implement add/remove SDR.
900     constexpr uint16_t reservationID = 1;
901 
902     return ipmi::responseSuccess(reservationID);
903 }
904 
905 void setUnitFieldsForObject(const ipmi::sensor::Info* info,
906                             get_sdr::SensorDataFullRecordBody* body)
907 {
908     namespace server = sdbusplus::xyz::openbmc_project::Sensor::server;
909     try
910     {
911         auto unit = server::Value::convertUnitFromString(info->unit);
912         // Unit strings defined in
913         // phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml
914         switch (unit)
915         {
916             case server::Value::Unit::DegreesC:
917                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C;
918                 break;
919             case server::Value::Unit::RPMS:
920                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_RPM;
921                 break;
922             case server::Value::Unit::Volts:
923                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS;
924                 break;
925             case server::Value::Unit::Meters:
926                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS;
927                 break;
928             case server::Value::Unit::Amperes:
929                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES;
930                 break;
931             case server::Value::Unit::Joules:
932                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES;
933                 break;
934             case server::Value::Unit::Watts:
935                 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_WATTS;
936                 break;
937             default:
938                 // Cannot be hit.
939                 std::fprintf(stderr, "Unknown value unit type: = %s\n",
940                              info->unit.c_str());
941         }
942     }
943     catch (const sdbusplus::exception::InvalidEnumString& e)
944     {
945         log<level::WARNING>("Warning: no unit provided for sensor!");
946     }
947 }
948 
949 ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody* body,
950                                      const ipmi::sensor::Info* info,
951                                      ipmi_data_len_t data_len)
952 {
953     /* Functional sensor case */
954     if (isAnalogSensor(info->propertyInterfaces.begin()->first))
955     {
956         body->sensor_units_1 = info->sensorUnits1; // default is 0. unsigned, no
957                                                    // rate, no modifier, not a %
958         /* Unit info */
959         setUnitFieldsForObject(info, body);
960 
961         get_sdr::body::set_b(info->coefficientB, body);
962         get_sdr::body::set_m(info->coefficientM, body);
963         get_sdr::body::set_b_exp(info->exponentB, body);
964         get_sdr::body::set_r_exp(info->exponentR, body);
965 
966         get_sdr::body::set_id_type(0b00, body); // 00 = unicode
967     }
968 
969     /* ID string */
970     auto id_string = info->sensorName;
971 
972     if (id_string.empty())
973     {
974         id_string = info->sensorNameFunc(*info);
975     }
976 
977     if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH)
978     {
979         get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body);
980     }
981     else
982     {
983         get_sdr::body::set_id_strlen(id_string.length(), body);
984     }
985     strncpy(body->id_string, id_string.c_str(),
986             get_sdr::body::get_id_strlen(body));
987 
988     return IPMI_CC_OK;
989 };
990 
991 ipmi_ret_t ipmi_fru_get_sdr(ipmi_request_t request, ipmi_response_t response,
992                             ipmi_data_len_t data_len)
993 {
994     auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request);
995     auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response);
996     get_sdr::SensorDataFruRecord record{};
997     auto dataLength = 0;
998 
999     auto fru = frus.begin();
1000     uint8_t fruID{};
1001     auto recordID = get_sdr::request::get_record_id(req);
1002 
1003     fruID = recordID - FRU_RECORD_ID_START;
1004     fru = frus.find(fruID);
1005     if (fru == frus.end())
1006     {
1007         return IPMI_CC_SENSOR_INVALID;
1008     }
1009 
1010     /* Header */
1011     get_sdr::header::set_record_id(recordID, &(record.header));
1012     record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1
1013     record.header.record_type = get_sdr::SENSOR_DATA_FRU_RECORD;
1014     record.header.record_length = sizeof(record.key) + sizeof(record.body);
1015 
1016     /* Key */
1017     record.key.fruID = fruID;
1018     record.key.accessLun |= IPMI_LOGICAL_FRU;
1019     record.key.deviceAddress = BMCSlaveAddress;
1020 
1021     /* Body */
1022     record.body.entityID = fru->second[0].entityID;
1023     record.body.entityInstance = fru->second[0].entityInstance;
1024     record.body.deviceType = fruInventoryDevice;
1025     record.body.deviceTypeModifier = IPMIFruInventory;
1026 
1027     /* Device ID string */
1028     auto deviceID =
1029         fru->second[0].path.substr(fru->second[0].path.find_last_of('/') + 1,
1030                                    fru->second[0].path.length());
1031 
1032     if (deviceID.length() > get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH)
1033     {
1034         get_sdr::body::set_device_id_strlen(
1035             get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH, &(record.body));
1036     }
1037     else
1038     {
1039         get_sdr::body::set_device_id_strlen(deviceID.length(), &(record.body));
1040     }
1041 
1042     strncpy(record.body.deviceID, deviceID.c_str(),
1043             get_sdr::body::get_device_id_strlen(&(record.body)));
1044 
1045     if (++fru == frus.end())
1046     {
1047         // we have reached till end of fru, so assign the next record id to
1048         // 512(Max fru ID = 511) + Entity Record ID(may start with 0).
1049         const auto& entityRecords =
1050             ipmi::sensor::EntityInfoMapContainer::getContainer()
1051                 ->getIpmiEntityRecords();
1052         auto next_record_id =
1053             (entityRecords.size())
1054                 ? entityRecords.begin()->first + ENTITY_RECORD_ID_START
1055                 : END_OF_RECORD;
1056         get_sdr::response::set_next_record_id(next_record_id, resp);
1057     }
1058     else
1059     {
1060         get_sdr::response::set_next_record_id(
1061             (FRU_RECORD_ID_START + fru->first), resp);
1062     }
1063 
1064     // Check for invalid offset size
1065     if (req->offset > sizeof(record))
1066     {
1067         return IPMI_CC_PARM_OUT_OF_RANGE;
1068     }
1069 
1070     dataLength = std::min(static_cast<size_t>(req->bytes_to_read),
1071                           sizeof(record) - req->offset);
1072 
1073     std::memcpy(resp->record_data,
1074                 reinterpret_cast<uint8_t*>(&record) + req->offset, dataLength);
1075 
1076     *data_len = dataLength;
1077     *data_len += 2; // additional 2 bytes for next record ID
1078 
1079     return IPMI_CC_OK;
1080 }
1081 
1082 ipmi_ret_t ipmi_entity_get_sdr(ipmi_request_t request, ipmi_response_t response,
1083                                ipmi_data_len_t data_len)
1084 {
1085     auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request);
1086     auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response);
1087     get_sdr::SensorDataEntityRecord record{};
1088     auto dataLength = 0;
1089 
1090     const auto& entityRecords =
1091         ipmi::sensor::EntityInfoMapContainer::getContainer()
1092             ->getIpmiEntityRecords();
1093     auto entity = entityRecords.begin();
1094     uint8_t entityRecordID;
1095     auto recordID = get_sdr::request::get_record_id(req);
1096 
1097     entityRecordID = recordID - ENTITY_RECORD_ID_START;
1098     entity = entityRecords.find(entityRecordID);
1099     if (entity == entityRecords.end())
1100     {
1101         return IPMI_CC_SENSOR_INVALID;
1102     }
1103 
1104     /* Header */
1105     get_sdr::header::set_record_id(recordID, &(record.header));
1106     record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1
1107     record.header.record_type = get_sdr::SENSOR_DATA_ENTITY_RECORD;
1108     record.header.record_length = sizeof(record.key) + sizeof(record.body);
1109 
1110     /* Key */
1111     record.key.containerEntityId = entity->second.containerEntityId;
1112     record.key.containerEntityInstance = entity->second.containerEntityInstance;
1113     get_sdr::key::set_flags(entity->second.isList, entity->second.isLinked,
1114                             &(record.key));
1115     record.key.entityId1 = entity->second.containedEntities[0].first;
1116     record.key.entityInstance1 = entity->second.containedEntities[0].second;
1117 
1118     /* Body */
1119     record.body.entityId2 = entity->second.containedEntities[1].first;
1120     record.body.entityInstance2 = entity->second.containedEntities[1].second;
1121     record.body.entityId3 = entity->second.containedEntities[2].first;
1122     record.body.entityInstance3 = entity->second.containedEntities[2].second;
1123     record.body.entityId4 = entity->second.containedEntities[3].first;
1124     record.body.entityInstance4 = entity->second.containedEntities[3].second;
1125 
1126     if (++entity == entityRecords.end())
1127     {
1128         get_sdr::response::set_next_record_id(END_OF_RECORD,
1129                                               resp); // last record
1130     }
1131     else
1132     {
1133         get_sdr::response::set_next_record_id(
1134             (ENTITY_RECORD_ID_START + entity->first), resp);
1135     }
1136 
1137     // Check for invalid offset size
1138     if (req->offset > sizeof(record))
1139     {
1140         return IPMI_CC_PARM_OUT_OF_RANGE;
1141     }
1142 
1143     dataLength = std::min(static_cast<size_t>(req->bytes_to_read),
1144                           sizeof(record) - req->offset);
1145 
1146     std::memcpy(resp->record_data,
1147                 reinterpret_cast<uint8_t*>(&record) + req->offset, dataLength);
1148 
1149     *data_len = dataLength;
1150     *data_len += 2; // additional 2 bytes for next record ID
1151 
1152     return IPMI_CC_OK;
1153 }
1154 
1155 ipmi_ret_t ipmi_sen_get_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
1156                             ipmi_request_t request, ipmi_response_t response,
1157                             ipmi_data_len_t data_len, ipmi_context_t context)
1158 {
1159     ipmi_ret_t ret = IPMI_CC_OK;
1160     get_sdr::GetSdrReq* req = (get_sdr::GetSdrReq*)request;
1161     get_sdr::GetSdrResp* resp = (get_sdr::GetSdrResp*)response;
1162 
1163     // Note: we use an iterator so we can provide the next ID at the end of
1164     // the call.
1165     auto sensor = ipmi::sensor::sensors.begin();
1166     auto recordID = get_sdr::request::get_record_id(req);
1167 
1168     // At the beginning of a scan, the host side will send us id=0.
1169     if (recordID != 0)
1170     {
1171         // recordID 0 to 255 means it is a FULL record.
1172         // recordID 256 to 511 means it is a FRU record.
1173         // recordID greater then 511 means it is a Entity Association
1174         // record. Currently we are supporting three record types: FULL
1175         // record, FRU record and Enttiy Association record.
1176         if (recordID >= ENTITY_RECORD_ID_START)
1177         {
1178             return ipmi_entity_get_sdr(request, response, data_len);
1179         }
1180         else if (recordID >= FRU_RECORD_ID_START &&
1181                  recordID < ENTITY_RECORD_ID_START)
1182         {
1183             return ipmi_fru_get_sdr(request, response, data_len);
1184         }
1185         else
1186         {
1187             sensor = ipmi::sensor::sensors.find(recordID);
1188             if (sensor == ipmi::sensor::sensors.end())
1189             {
1190                 return IPMI_CC_SENSOR_INVALID;
1191             }
1192         }
1193     }
1194 
1195     uint8_t sensor_id = sensor->first;
1196 
1197     auto it = sdrCacheMap.find(sensor_id);
1198     if (it == sdrCacheMap.end())
1199     {
1200         /* Header */
1201         get_sdr::SensorDataFullRecord record = {0};
1202         get_sdr::header::set_record_id(sensor_id, &(record.header));
1203         record.header.sdr_version = 0x51; // Based on IPMI Spec v2.0 rev 1.1
1204         record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD;
1205         record.header.record_length = sizeof(record.key) + sizeof(record.body);
1206 
1207         /* Key */
1208         get_sdr::key::set_owner_id_bmc(&(record.key));
1209         record.key.sensor_number = sensor_id;
1210 
1211         /* Body */
1212         record.body.entity_id = sensor->second.entityType;
1213         record.body.sensor_type = sensor->second.sensorType;
1214         record.body.event_reading_type = sensor->second.sensorReadingType;
1215         record.body.entity_instance = sensor->second.instance;
1216         if (ipmi::sensor::Mutability::Write ==
1217             (sensor->second.mutability & ipmi::sensor::Mutability::Write))
1218         {
1219             get_sdr::body::init_settable_state(true, &(record.body));
1220         }
1221 
1222         // Set the type-specific details given the DBus interface
1223         populate_record_from_dbus(&(record.body), &(sensor->second), data_len);
1224         sdrCacheMap[sensor_id] = std::move(record);
1225     }
1226 
1227     const auto& record = sdrCacheMap[sensor_id];
1228 
1229     if (++sensor == ipmi::sensor::sensors.end())
1230     {
1231         // we have reached till end of sensor, so assign the next record id
1232         // to 256(Max Sensor ID = 255) + FRU ID(may start with 0).
1233         auto next_record_id = (frus.size())
1234                                   ? frus.begin()->first + FRU_RECORD_ID_START
1235                                   : END_OF_RECORD;
1236 
1237         get_sdr::response::set_next_record_id(next_record_id, resp);
1238     }
1239     else
1240     {
1241         get_sdr::response::set_next_record_id(sensor->first, resp);
1242     }
1243 
1244     if (req->offset > sizeof(record))
1245     {
1246         return IPMI_CC_PARM_OUT_OF_RANGE;
1247     }
1248 
1249     // data_len will ultimately be the size of the record, plus
1250     // the size of the next record ID:
1251     *data_len = std::min(static_cast<size_t>(req->bytes_to_read),
1252                          sizeof(record) - req->offset);
1253 
1254     std::memcpy(resp->record_data,
1255                 reinterpret_cast<const uint8_t*>(&record) + req->offset,
1256                 *data_len);
1257 
1258     // data_len should include the LSB and MSB:
1259     *data_len +=
1260         sizeof(resp->next_record_id_lsb) + sizeof(resp->next_record_id_msb);
1261 
1262     return ret;
1263 }
1264 
1265 static bool isFromSystemChannel()
1266 {
1267     // TODO we could not figure out where the request is from based on IPMI
1268     // command handler parameters. because of it, we can not differentiate
1269     // request from SMS/SMM or IPMB channel
1270     return true;
1271 }
1272 
1273 ipmi_ret_t ipmicmdPlatformEvent(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
1274                                 ipmi_request_t request,
1275                                 ipmi_response_t response,
1276                                 ipmi_data_len_t dataLen, ipmi_context_t context)
1277 {
1278     uint16_t generatorID;
1279     size_t count;
1280     bool assert = true;
1281     std::string sensorPath;
1282     size_t paraLen = *dataLen;
1283     PlatformEventRequest* req;
1284     *dataLen = 0;
1285 
1286     if ((paraLen < selSystemEventSizeWith1Bytes) ||
1287         (paraLen > selSystemEventSizeWith3Bytes))
1288     {
1289         return IPMI_CC_REQ_DATA_LEN_INVALID;
1290     }
1291 
1292     if (isFromSystemChannel())
1293     { // first byte for SYSTEM Interface is Generator ID
1294         // +1 to get common struct
1295         req = reinterpret_cast<PlatformEventRequest*>((uint8_t*)request + 1);
1296         // Capture the generator ID
1297         generatorID = *reinterpret_cast<uint8_t*>(request);
1298         // Platform Event usually comes from other firmware, like BIOS.
1299         // Unlike BMC sensor, it does not have BMC DBUS sensor path.
1300         sensorPath = "System";
1301     }
1302     else
1303     {
1304         req = reinterpret_cast<PlatformEventRequest*>(request);
1305         // TODO GenratorID for IPMB is combination of RqSA and RqLUN
1306         generatorID = 0xff;
1307         sensorPath = "IPMB";
1308     }
1309     // Content of event data field depends on sensor class.
1310     // When data0 bit[5:4] is non-zero, valid data counts is 3.
1311     // When data0 bit[7:6] is non-zero, valid data counts is 2.
1312     if (((req->data[0] & byte3EnableMask) != 0 &&
1313          paraLen < selSystemEventSizeWith3Bytes) ||
1314         ((req->data[0] & byte2EnableMask) != 0 &&
1315          paraLen < selSystemEventSizeWith2Bytes))
1316     {
1317         return IPMI_CC_REQ_DATA_LEN_INVALID;
1318     }
1319 
1320     // Count bytes of Event Data
1321     if ((req->data[0] & byte3EnableMask) != 0)
1322     {
1323         count = 3;
1324     }
1325     else if ((req->data[0] & byte2EnableMask) != 0)
1326     {
1327         count = 2;
1328     }
1329     else
1330     {
1331         count = 1;
1332     }
1333     assert = req->eventDirectionType & directionMask ? false : true;
1334     std::vector<uint8_t> eventData(req->data, req->data + count);
1335 
1336     sdbusplus::bus::bus dbus(bus);
1337     std::string service =
1338         ipmi::getService(dbus, ipmiSELAddInterface, ipmiSELPath);
1339     sdbusplus::message::message writeSEL = dbus.new_method_call(
1340         service.c_str(), ipmiSELPath, ipmiSELAddInterface, "IpmiSelAdd");
1341     writeSEL.append(ipmiSELAddMessage, sensorPath, eventData, assert,
1342                     generatorID);
1343     try
1344     {
1345         dbus.call(writeSEL);
1346     }
1347     catch (const sdbusplus::exception_t& e)
1348     {
1349         phosphor::logging::log<phosphor::logging::level::ERR>(e.what());
1350         return IPMI_CC_UNSPECIFIED_ERROR;
1351     }
1352     return IPMI_CC_OK;
1353 }
1354 
1355 void register_netfn_sen_functions()
1356 {
1357     // Handlers with dbus-sdr handler implementation.
1358     // Do not register the hander if it dynamic sensors stack is used.
1359 
1360 #ifndef FEATURE_DYNAMIC_SENSORS
1361 
1362 #ifdef FEATURE_SENSORS_CACHE
1363     // Initialize the sensor matches
1364     initSensorMatches();
1365 #endif
1366 
1367     // <Set Sensor Reading and Event Status>
1368     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1369                           ipmi::sensor_event::cmdSetSensorReadingAndEvtSts,
1370                           ipmi::Privilege::Operator, ipmiSetSensorReading);
1371     // <Get Sensor Reading>
1372     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1373                           ipmi::sensor_event::cmdGetSensorReading,
1374                           ipmi::Privilege::User, ipmiSensorGetSensorReading);
1375 
1376     // <Reserve Device SDR Repository>
1377     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1378                           ipmi::sensor_event::cmdReserveDeviceSdrRepository,
1379                           ipmi::Privilege::User, ipmiSensorReserveSdr);
1380 
1381     // <Get Device SDR Info>
1382     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1383                           ipmi::sensor_event::cmdGetDeviceSdrInfo,
1384                           ipmi::Privilege::User, ipmiSensorGetDeviceSdrInfo);
1385 
1386     // <Get Sensor Thresholds>
1387     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1388                           ipmi::sensor_event::cmdGetSensorThreshold,
1389                           ipmi::Privilege::User, ipmiSensorGetSensorThresholds);
1390 
1391     // <Set Sensor Thresholds>
1392     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1393                           ipmi::sensor_event::cmdSetSensorThreshold,
1394                           ipmi::Privilege::User, ipmiSenSetSensorThresholds);
1395 #endif
1396 
1397     // Common Handers used by both implementation.
1398 
1399     // <Platform Event Message>
1400     ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_PLATFORM_EVENT, nullptr,
1401                            ipmicmdPlatformEvent, PRIVILEGE_OPERATOR);
1402 
1403     // <Get Sensor Type>
1404     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,
1405                           ipmi::sensor_event::cmdGetSensorType,
1406                           ipmi::Privilege::User, ipmiGetSensorType);
1407 
1408     // <Get Device SDR>
1409     ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR, nullptr,
1410                            ipmi_sen_get_sdr, PRIVILEGE_USER);
1411     return;
1412 }
1413