-
Notifications
You must be signed in to change notification settings - Fork 0
/
sensorhandler.cpp
1075 lines (914 loc) · 34 KB
/
sensorhandler.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#include "sensorhandler.hpp"
#include "fruread.hpp"
#include <mapper.h>
#include <systemd/sd-bus.h>
#include <bitset>
#include <cmath>
#include <cstring>
#include <ipmid/api.hpp>
#include <ipmid/types.hpp>
#include <ipmid/utils.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/log.hpp>
#include <sdbusplus/message/types.hpp>
#include <set>
#include <xyz/openbmc_project/Common/error.hpp>
#include <xyz/openbmc_project/Sensor/Value/server.hpp>
static constexpr uint8_t fruInventoryDevice = 0x10;
static constexpr uint8_t IPMIFruInventory = 0x02;
static constexpr uint8_t BMCSlaveAddress = 0x20;
extern int updateSensorRecordFromSSRAESC(const void*);
extern sd_bus* bus;
extern const ipmi::sensor::IdInfoMap sensors;
extern const FruMap frus;
extern const ipmi::sensor::EntityInfoMap entities;
using namespace phosphor::logging;
using InternalFailure =
sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
void register_netfn_sen_functions() __attribute__((constructor));
struct sensorTypemap_t
{
uint8_t number;
uint8_t typecode;
char dbusname[32];
};
sensorTypemap_t g_SensorTypeMap[] = {
{0x01, 0x6F, "Temp"},
{0x0C, 0x6F, "DIMM"},
{0x0C, 0x6F, "MEMORY_BUFFER"},
{0x07, 0x6F, "PROC"},
{0x07, 0x6F, "CORE"},
{0x07, 0x6F, "CPU"},
{0x0F, 0x6F, "BootProgress"},
{0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor
// type code os 0x09
{0xC3, 0x6F, "BootCount"},
{0x1F, 0x6F, "OperatingSystemStatus"},
{0x12, 0x6F, "SYSTEM_EVENT"},
{0xC7, 0x03, "SYSTEM"},
{0xC7, 0x03, "MAIN_PLANAR"},
{0xC2, 0x6F, "PowerCap"},
{0x0b, 0xCA, "PowerSupplyRedundancy"},
{0xDA, 0x03, "TurboAllowed"},
{0xD8, 0xC8, "PowerSupplyDerating"},
{0xFF, 0x00, ""},
};
struct sensor_data_t
{
uint8_t sennum;
} __attribute__((packed));
struct sensorreadingresp_t
{
uint8_t value;
uint8_t operation;
uint8_t indication[2];
} __attribute__((packed));
int get_bus_for_path(const char* path, char** busname)
{
return mapper_get_service(bus, path, busname);
}
// Use a lookup table to find the interface name of a specific sensor
// This will be used until an alternative is found. this is the first
// step for mapping IPMI
int find_openbmc_path(uint8_t num, dbus_interface_t* interface)
{
int rc;
const auto& sensor_it = sensors.find(num);
if (sensor_it == sensors.end())
{
// The sensor map does not contain the sensor requested
return -EINVAL;
}
const auto& info = sensor_it->second;
char* busname = nullptr;
rc = get_bus_for_path(info.sensorPath.c_str(), &busname);
if (rc < 0)
{
std::fprintf(stderr, "Failed to get %s busname: %s\n",
info.sensorPath.c_str(), busname);
goto final;
}
interface->sensortype = info.sensorType;
strcpy(interface->bus, busname);
strcpy(interface->path, info.sensorPath.c_str());
// Take the interface name from the beginning of the DbusInterfaceMap. This
// works for the Value interface but may not suffice for more complex
// sensors.
// tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103
strcpy(interface->interface,
info.propertyInterfaces.begin()->first.c_str());
interface->sensornumber = num;
final:
free(busname);
return rc;
}
/////////////////////////////////////////////////////////////////////
//
// Routines used by ipmi commands wanting to interact on the dbus
//
/////////////////////////////////////////////////////////////////////
int set_sensor_dbus_state_s(uint8_t number, const char* method,
const char* value)
{
dbus_interface_t a;
int r;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message* m = NULL;
r = find_openbmc_path(number, &a);
if (r < 0)
{
std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
return 0;
}
r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface,
method);
if (r < 0)
{
std::fprintf(stderr, "Failed to create a method call: %s",
strerror(-r));
goto final;
}
r = sd_bus_message_append(m, "v", "s", value);
if (r < 0)
{
std::fprintf(stderr, "Failed to create a input parameter: %s",
strerror(-r));
goto final;
}
r = sd_bus_call(bus, m, 0, &error, NULL);
if (r < 0)
{
std::fprintf(stderr, "Failed to call the method: %s", strerror(-r));
}
final:
sd_bus_error_free(&error);
m = sd_bus_message_unref(m);
return 0;
}
int set_sensor_dbus_state_y(uint8_t number, const char* method,
const uint8_t value)
{
dbus_interface_t a;
int r;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message* m = NULL;
r = find_openbmc_path(number, &a);
if (r < 0)
{
std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
return 0;
}
r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface,
method);
if (r < 0)
{
std::fprintf(stderr, "Failed to create a method call: %s",
strerror(-r));
goto final;
}
r = sd_bus_message_append(m, "v", "i", value);
if (r < 0)
{
std::fprintf(stderr, "Failed to create a input parameter: %s",
strerror(-r));
goto final;
}
r = sd_bus_call(bus, m, 0, &error, NULL);
if (r < 0)
{
std::fprintf(stderr, "12 Failed to call the method: %s", strerror(-r));
}
final:
sd_bus_error_free(&error);
m = sd_bus_message_unref(m);
return 0;
}
uint8_t dbus_to_sensor_type(char* p)
{
sensorTypemap_t* s = g_SensorTypeMap;
char r = 0;
while (s->number != 0xFF)
{
if (!strcmp(s->dbusname, p))
{
r = s->typecode;
break;
}
s++;
}
if (s->number == 0xFF)
printf("Failed to find Sensor Type %s\n", p);
return r;
}
uint8_t get_type_from_interface(dbus_interface_t dbus_if)
{
uint8_t type;
// This is where sensors that do not exist in dbus but do
// exist in the host code stop. This should indicate it
// is not a supported sensor
if (dbus_if.interface[0] == 0)
{
return 0;
}
// Fetch type from interface itself.
if (dbus_if.sensortype != 0)
{
type = dbus_if.sensortype;
}
else
{
// Non InventoryItems
char* p = strrchr(dbus_if.path, '/');
type = dbus_to_sensor_type(p + 1);
}
return type;
}
// Replaces find_sensor
uint8_t find_type_for_sensor_number(uint8_t num)
{
int r;
dbus_interface_t dbus_if;
r = find_openbmc_path(num, &dbus_if);
if (r < 0)
{
std::fprintf(stderr, "Could not find sensor %d\n", num);
return 0;
}
return get_type_from_interface(dbus_if);
}
ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
auto reqptr = static_cast<sensor_data_t*>(request);
ipmi_ret_t rc = IPMI_CC_OK;
printf("IPMI GET_SENSOR_TYPE [0x%02X]\n", reqptr->sennum);
// TODO Not sure what the System-event-sensor is suppose to return
// need to ask Hostboot team
unsigned char buf[] = {0x00, 0x6F};
buf[0] = find_type_for_sensor_number(reqptr->sennum);
// HACK UNTIL Dbus gets updated or we find a better way
if (buf[0] == 0)
{
rc = IPMI_CC_SENSOR_INVALID;
}
*data_len = sizeof(buf);
std::memcpy(response, &buf, *data_len);
return rc;
}
const std::set<std::string> analogSensorInterfaces = {
"xyz.openbmc_project.Sensor.Value",
"xyz.openbmc_project.Control.FanPwm",
};
bool isAnalogSensor(const std::string& interface)
{
return (analogSensorInterfaces.count(interface));
}
ipmi_ret_t setSensorReading(void* request)
{
ipmi::sensor::SetSensorReadingReq cmdData =
*(static_cast<ipmi::sensor::SetSensorReadingReq*>(request));
// Check if the Sensor Number is present
const auto iter = sensors.find(cmdData.number);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
try
{
if (ipmi::sensor::Mutability::Write !=
(iter->second.mutability & ipmi::sensor::Mutability::Write))
{
log<level::ERR>("Sensor Set operation is not allowed",
entry("SENSOR_NUM=%d", cmdData.number));
return IPMI_CC_ILLEGAL_COMMAND;
}
return iter->second.updateFunc(cmdData, iter->second);
}
catch (InternalFailure& e)
{
log<level::ERR>("Set sensor failed",
entry("SENSOR_NUM=%d", cmdData.number));
commit<InternalFailure>();
}
catch (const std::runtime_error& e)
{
log<level::ERR>(e.what());
}
return IPMI_CC_UNSPECIFIED_ERROR;
}
ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
auto reqptr = static_cast<sensor_data_t*>(request);
log<level::DEBUG>("IPMI SET_SENSOR",
entry("SENSOR_NUM=0x%02x", reqptr->sennum));
/*
* This would support the Set Sensor Reading command for the presence
* and functional state of Processor, Core & DIMM. For the remaining
* sensors the existing support is invoked.
*/
auto ipmiRC = setSensorReading(request);
if (ipmiRC == IPMI_CC_SENSOR_INVALID)
{
updateSensorRecordFromSSRAESC(reqptr);
ipmiRC = IPMI_CC_OK;
}
*data_len = 0;
return ipmiRC;
}
ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
auto reqptr = static_cast<sensor_data_t*>(request);
auto resp = static_cast<sensorreadingresp_t*>(response);
ipmi::sensor::GetSensorResponse getResponse{};
static constexpr auto scanningEnabledBit = 6;
const auto iter = sensors.find(reqptr->sennum);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
if (ipmi::sensor::Mutability::Read !=
(iter->second.mutability & ipmi::sensor::Mutability::Read))
{
return IPMI_CC_ILLEGAL_COMMAND;
}
try
{
getResponse = iter->second.getFunc(iter->second);
*data_len = getResponse.size();
std::memcpy(resp, getResponse.data(), *data_len);
resp->operation = 1 << scanningEnabledBit;
return IPMI_CC_OK;
}
catch (const std::exception& e)
{
*data_len = getResponse.size();
std::memcpy(resp, getResponse.data(), *data_len);
return IPMI_CC_OK;
}
}
void getSensorThresholds(uint8_t sensorNum,
get_sdr::GetSensorThresholdsResponse* response)
{
constexpr auto warningThreshIntf =
"xyz.openbmc_project.Sensor.Threshold.Warning";
constexpr auto criticalThreshIntf =
"xyz.openbmc_project.Sensor.Threshold.Critical";
sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
const auto iter = sensors.find(sensorNum);
const auto info = iter->second;
auto service = ipmi::getService(bus, info.sensorInterface, info.sensorPath);
auto warnThresholds = ipmi::getAllDbusProperties(
bus, service, info.sensorPath, warningThreshIntf);
double warnLow = std::visit(ipmi::VariantToDoubleVisitor(),
warnThresholds["WarningLow"]);
double warnHigh = std::visit(ipmi::VariantToDoubleVisitor(),
warnThresholds["WarningHigh"]);
if (warnLow != 0)
{
warnLow *= std::pow(10, info.scale - info.exponentR);
response->lowerNonCritical = static_cast<uint8_t>(
(warnLow - info.scaledOffset) / info.coefficientM);
response->validMask |= static_cast<uint8_t>(
ipmi::sensor::ThresholdMask::NON_CRITICAL_LOW_MASK);
}
if (warnHigh != 0)
{
warnHigh *= std::pow(10, info.scale - info.exponentR);
response->upperNonCritical = static_cast<uint8_t>(
(warnHigh - info.scaledOffset) / info.coefficientM);
response->validMask |= static_cast<uint8_t>(
ipmi::sensor::ThresholdMask::NON_CRITICAL_HIGH_MASK);
}
auto critThresholds = ipmi::getAllDbusProperties(
bus, service, info.sensorPath, criticalThreshIntf);
double critLow = std::visit(ipmi::VariantToDoubleVisitor(),
critThresholds["CriticalLow"]);
double critHigh = std::visit(ipmi::VariantToDoubleVisitor(),
critThresholds["CriticalHigh"]);
if (critLow != 0)
{
critLow *= std::pow(10, info.scale - info.exponentR);
response->lowerCritical = static_cast<uint8_t>(
(critLow - info.scaledOffset) / info.coefficientM);
response->validMask |= static_cast<uint8_t>(
ipmi::sensor::ThresholdMask::CRITICAL_LOW_MASK);
}
if (critHigh != 0)
{
critHigh *= std::pow(10, info.scale - info.exponentR);
response->upperCritical = static_cast<uint8_t>(
(critHigh - info.scaledOffset) / info.coefficientM);
response->validMask |= static_cast<uint8_t>(
ipmi::sensor::ThresholdMask::CRITICAL_HIGH_MASK);
}
}
ipmi_ret_t ipmi_sen_get_sensor_thresholds(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
constexpr auto valueInterface = "xyz.openbmc_project.Sensor.Value";
if (*data_len != sizeof(uint8_t))
{
*data_len = 0;
return IPMI_CC_REQ_DATA_LEN_INVALID;
}
auto sensorNum = *(reinterpret_cast<const uint8_t*>(request));
*data_len = 0;
const auto iter = sensors.find(sensorNum);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
const auto info = iter->second;
// Proceed only if the sensor value interface is implemented.
if (info.propertyInterfaces.find(valueInterface) ==
info.propertyInterfaces.end())
{
// return with valid mask as 0
return IPMI_CC_OK;
}
auto responseData =
reinterpret_cast<get_sdr::GetSensorThresholdsResponse*>(response);
try
{
getSensorThresholds(sensorNum, responseData);
}
catch (std::exception& e)
{
// Mask if the property is not present
responseData->validMask = 0;
}
*data_len = sizeof(get_sdr::GetSensorThresholdsResponse);
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_INVALID;
printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n", netfn, cmd);
*data_len = 0;
return rc;
}
ipmi_ret_t ipmi_sen_get_sdr_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
auto resp = static_cast<get_sdr_info::GetSdrInfoResp*>(response);
if (request == nullptr ||
get_sdr_info::request::get_count(request) == false)
{
// Get Sensor Count
resp->count = sensors.size() + frus.size() + entities.size();
}
else
{
resp->count = 1;
}
// Multiple LUNs not supported.
namespace response = get_sdr_info::response;
response::set_lun_present(0, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(1, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(2, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(3, &(resp->luns_and_dynamic_population));
response::set_static_population(&(resp->luns_and_dynamic_population));
*data_len = SDR_INFO_RESP_SIZE;
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_sen_reserve_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
// A constant reservation ID is okay until we implement add/remove SDR.
const uint16_t reservation_id = 1;
*(uint16_t*)response = reservation_id;
*data_len = sizeof(uint16_t);
printf("Created new IPMI SDR reservation ID %d\n", *(uint16_t*)response);
return IPMI_CC_OK;
}
void setUnitFieldsForObject(const ipmi::sensor::Info* info,
get_sdr::SensorDataFullRecordBody* body)
{
namespace server = sdbusplus::xyz::openbmc_project::Sensor::server;
try
{
auto unit = server::Value::convertUnitFromString(info->unit);
// Unit strings defined in
// phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml
switch (unit)
{
case server::Value::Unit::DegreesC:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C;
break;
case server::Value::Unit::RPMS:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_RPM;
break;
case server::Value::Unit::Volts:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS;
break;
case server::Value::Unit::Meters:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS;
break;
case server::Value::Unit::Amperes:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES;
break;
case server::Value::Unit::Joules:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES;
break;
case server::Value::Unit::Watts:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_WATTS;
break;
default:
// Cannot be hit.
std::fprintf(stderr, "Unknown value unit type: = %s\n",
info->unit.c_str());
}
}
catch (const sdbusplus::exception::InvalidEnumString& e)
{
log<level::WARNING>("Warning: no unit provided for sensor!");
}
}
ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody* body,
const ipmi::sensor::Info* info,
ipmi_data_len_t data_len)
{
/* Functional sensor case */
if (isAnalogSensor(info->propertyInterfaces.begin()->first))
{
body->sensor_units_1 = 0; // unsigned, no rate, no modifier, not a %
/* Unit info */
setUnitFieldsForObject(info, body);
get_sdr::body::set_b(info->coefficientB, body);
get_sdr::body::set_m(info->coefficientM, body);
get_sdr::body::set_b_exp(info->exponentB, body);
get_sdr::body::set_r_exp(info->exponentR, body);
get_sdr::body::set_id_type(0b00, body); // 00 = unicode
}
/* ID string */
auto id_string = info->sensorNameFunc(*info);
if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH)
{
get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body);
}
else
{
get_sdr::body::set_id_strlen(id_string.length(), body);
}
strncpy(body->id_string, id_string.c_str(),
get_sdr::body::get_id_strlen(body));
return IPMI_CC_OK;
};
ipmi_ret_t ipmi_fru_get_sdr(ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len)
{
auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request);
auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response);
get_sdr::SensorDataFruRecord record{};
auto dataLength = 0;
auto fru = frus.begin();
uint8_t fruID{};
auto recordID = get_sdr::request::get_record_id(req);
fruID = recordID - FRU_RECORD_ID_START;
fru = frus.find(fruID);
if (fru == frus.end())
{
return IPMI_CC_SENSOR_INVALID;
}
/* Header */
get_sdr::header::set_record_id(recordID, &(record.header));
record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1
record.header.record_type = get_sdr::SENSOR_DATA_FRU_RECORD;
record.header.record_length = sizeof(record.key) + sizeof(record.body);
/* Key */
record.key.fruID = fruID;
record.key.accessLun |= IPMI_LOGICAL_FRU;
record.key.deviceAddress = BMCSlaveAddress;
/* Body */
record.body.entityID = fru->second[0].entityID;
record.body.entityInstance = fru->second[0].entityInstance;
record.body.deviceType = fruInventoryDevice;
record.body.deviceTypeModifier = IPMIFruInventory;
/* Device ID string */
auto deviceID =
fru->second[0].path.substr(fru->second[0].path.find_last_of('/') + 1,
fru->second[0].path.length());
if (deviceID.length() > get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH)
{
get_sdr::body::set_device_id_strlen(
get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH, &(record.body));
}
else
{
get_sdr::body::set_device_id_strlen(deviceID.length(), &(record.body));
}
strncpy(record.body.deviceID, deviceID.c_str(),
get_sdr::body::get_device_id_strlen(&(record.body)));
if (++fru == frus.end())
{
// we have reached till end of fru, so assign the next record id to
// 512(Max fru ID = 511) + Entity Record ID(may start with 0).
auto next_record_id =
(entities.size()) ? entities.begin()->first + ENTITY_RECORD_ID_START
: END_OF_RECORD;
get_sdr::response::set_next_record_id(next_record_id, resp);
}
else
{
get_sdr::response::set_next_record_id(
(FRU_RECORD_ID_START + fru->first), resp);
}
// Check for invalid offset size
if (req->offset > sizeof(record))
{
return IPMI_CC_PARM_OUT_OF_RANGE;
}
dataLength = std::min(static_cast<size_t>(req->bytes_to_read),
sizeof(record) - req->offset);
std::memcpy(resp->record_data,
reinterpret_cast<uint8_t*>(&record) + req->offset, dataLength);
*data_len = dataLength;
*data_len += 2; // additional 2 bytes for next record ID
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_entity_get_sdr(ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len)
{
auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request);
auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response);
get_sdr::SensorDataEntityRecord record{};
auto dataLength = 0;
auto entity = entities.begin();
uint8_t entityRecordID;
auto recordID = get_sdr::request::get_record_id(req);
entityRecordID = recordID - ENTITY_RECORD_ID_START;
entity = entities.find(entityRecordID);
if (entity == entities.end())
{
return IPMI_CC_SENSOR_INVALID;
}
/* Header */
get_sdr::header::set_record_id(recordID, &(record.header));
record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1
record.header.record_type = get_sdr::SENSOR_DATA_ENTITY_RECORD;
record.header.record_length = sizeof(record.key) + sizeof(record.body);
/* Key */
record.key.containerEntityId = entity->second.containerEntityId;
record.key.containerEntityInstance = entity->second.containerEntityInstance;
get_sdr::key::set_flags(entity->second.isList, entity->second.isLinked,
&(record.key));
record.key.entityId1 = entity->second.containedEntities[0].first;
record.key.entityInstance1 = entity->second.containedEntities[0].second;
/* Body */
record.body.entityId2 = entity->second.containedEntities[1].first;
record.body.entityInstance2 = entity->second.containedEntities[1].second;
record.body.entityId3 = entity->second.containedEntities[2].first;
record.body.entityInstance3 = entity->second.containedEntities[2].second;
record.body.entityId4 = entity->second.containedEntities[3].first;
record.body.entityInstance4 = entity->second.containedEntities[3].second;
if (++entity == entities.end())
{
get_sdr::response::set_next_record_id(END_OF_RECORD,
resp); // last record
}
else
{
get_sdr::response::set_next_record_id(
(ENTITY_RECORD_ID_START + entity->first), resp);
}
// Check for invalid offset size
if (req->offset > sizeof(record))
{
return IPMI_CC_PARM_OUT_OF_RANGE;
}
dataLength = std::min(static_cast<size_t>(req->bytes_to_read),
sizeof(record) - req->offset);
std::memcpy(resp->record_data,
reinterpret_cast<uint8_t*>(&record) + req->offset, dataLength);
*data_len = dataLength;
*data_len += 2; // additional 2 bytes for next record ID
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_sen_get_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t ret = IPMI_CC_OK;
get_sdr::GetSdrReq* req = (get_sdr::GetSdrReq*)request;
get_sdr::GetSdrResp* resp = (get_sdr::GetSdrResp*)response;
get_sdr::SensorDataFullRecord record = {0};
if (req != NULL)
{
// Note: we use an iterator so we can provide the next ID at the end of
// the call.
auto sensor = sensors.begin();
auto recordID = get_sdr::request::get_record_id(req);
// At the beginning of a scan, the host side will send us id=0.
if (recordID != 0)
{
// recordID 0 to 255 means it is a FULL record.
// recordID 256 to 511 means it is a FRU record.
// recordID greater then 511 means it is a Entity Association
// record. Currently we are supporting three record types: FULL
// record, FRU record and Enttiy Association record.
if (recordID >= ENTITY_RECORD_ID_START)
{
return ipmi_entity_get_sdr(request, response, data_len);
}
else if (recordID >= FRU_RECORD_ID_START &&
recordID < ENTITY_RECORD_ID_START)
{
return ipmi_fru_get_sdr(request, response, data_len);
}
else
{
sensor = sensors.find(recordID);
if (sensor == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
}
}
uint8_t sensor_id = sensor->first;
/* Header */
get_sdr::header::set_record_id(sensor_id, &(record.header));
record.header.sdr_version = 0x51; // Based on IPMI Spec v2.0 rev 1.1
record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD;
record.header.record_length = sizeof(get_sdr::SensorDataFullRecord);
/* Key */
get_sdr::key::set_owner_id_bmc(&(record.key));
record.key.sensor_number = sensor_id;
/* Body */
record.body.entity_id = sensor->second.entityType;
record.body.sensor_type = sensor->second.sensorType;
record.body.event_reading_type = sensor->second.sensorReadingType;
record.body.entity_instance = sensor->second.instance;
if (ipmi::sensor::Mutability::Write ==
(sensor->second.mutability & ipmi::sensor::Mutability::Write))
{
get_sdr::body::init_settable_state(true, &(record.body));
}
// Set the type-specific details given the DBus interface
ret = populate_record_from_dbus(&(record.body), &(sensor->second),
data_len);
if (++sensor == sensors.end())
{
// we have reached till end of sensor, so assign the next record id
// to 256(Max Sensor ID = 255) + FRU ID(may start with 0).
auto next_record_id =
(frus.size()) ? frus.begin()->first + FRU_RECORD_ID_START
: END_OF_RECORD;
get_sdr::response::set_next_record_id(next_record_id, resp);
}
else
{
get_sdr::response::set_next_record_id(sensor->first, resp);
}
if (req->offset > sizeof(record))
{
return IPMI_CC_PARM_OUT_OF_RANGE;
}
// data_len will ultimately be the size of the record, plus
// the size of the next record ID:
*data_len = std::min(static_cast<size_t>(req->bytes_to_read),
sizeof(record) - req->offset);
std::memcpy(resp->record_data,
reinterpret_cast<uint8_t*>(&record) + req->offset,
*data_len);
// data_len should include the LSB and MSB:
*data_len +=
sizeof(resp->next_record_id_lsb) + sizeof(resp->next_record_id_msb);
}
return ret;
}
static bool isFromSystemChannel()
{
// TODO we could not figure out where the request is from based on IPMI
// command handler parameters. because of it, we can not differentiate
// request from SMS/SMM or IPMB channel
return true;
}
ipmi_ret_t ipmicmdPlatformEvent(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t dataLen, ipmi_context_t context)
{
uint16_t generatorID;
size_t count;
bool assert = true;
std::string sensorPath;
size_t paraLen = *dataLen;
PlatformEventRequest* req;
*dataLen = 0;
if ((paraLen < selSystemEventSizeWith1Bytes) ||
(paraLen > selSystemEventSizeWith3Bytes))
{
return IPMI_CC_REQ_DATA_LEN_INVALID;
}
if (isFromSystemChannel())
{ // first byte for SYSTEM Interface is Generator ID
// +1 to get common struct
req = reinterpret_cast<PlatformEventRequest*>((uint8_t*)request + 1);
// Capture the generator ID
generatorID = *reinterpret_cast<uint8_t*>(request);
// Platform Event usually comes from other firmware, like BIOS.
// Unlike BMC sensor, it does not have BMC DBUS sensor path.
sensorPath = "System";
}
else
{
req = reinterpret_cast<PlatformEventRequest*>(request);
// TODO GenratorID for IPMB is combination of RqSA and RqLUN
generatorID = 0xff;
sensorPath = "IPMB";
}
// Content of event data field depends on sensor class.
// When data0 bit[5:4] is non-zero, valid data counts is 3.
// When data0 bit[7:6] is non-zero, valid data counts is 2.
if (((req->data[0] & byte3EnableMask) != 0 &&
paraLen < selSystemEventSizeWith3Bytes) ||
((req->data[0] & byte2EnableMask) != 0 &&
paraLen < selSystemEventSizeWith2Bytes))
{
return IPMI_CC_REQ_DATA_LEN_INVALID;
}