1 #include "sensorhandler.hpp" 2 3 #include "fruread.hpp" 4 #include "ipmid.hpp" 5 #include "types.hpp" 6 #include "utils.hpp" 7 8 #include <host-ipmid/ipmid-api.h> 9 #include <mapper.h> 10 #include <math.h> 11 #include <stdio.h> 12 #include <string.h> 13 #include <systemd/sd-bus.h> 14 15 #include <bitset> 16 #include <phosphor-logging/elog-errors.hpp> 17 #include <phosphor-logging/log.hpp> 18 #include <set> 19 #include <xyz/openbmc_project/Common/error.hpp> 20 #include <xyz/openbmc_project/Sensor/Value/server.hpp> 21 22 static constexpr uint8_t fruInventoryDevice = 0x10; 23 static constexpr uint8_t IPMIFruInventory = 0x02; 24 static constexpr uint8_t BMCSlaveAddress = 0x20; 25 26 extern int updateSensorRecordFromSSRAESC(const void*); 27 extern sd_bus* bus; 28 extern const ipmi::sensor::IdInfoMap sensors; 29 extern const FruMap frus; 30 31 using namespace phosphor::logging; 32 using InternalFailure = 33 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 34 35 void register_netfn_sen_functions() __attribute__((constructor)); 36 37 struct sensorTypemap_t 38 { 39 uint8_t number; 40 uint8_t typecode; 41 char dbusname[32]; 42 }; 43 44 sensorTypemap_t g_SensorTypeMap[] = { 45 46 {0x01, 0x6F, "Temp"}, 47 {0x0C, 0x6F, "DIMM"}, 48 {0x0C, 0x6F, "MEMORY_BUFFER"}, 49 {0x07, 0x6F, "PROC"}, 50 {0x07, 0x6F, "CORE"}, 51 {0x07, 0x6F, "CPU"}, 52 {0x0F, 0x6F, "BootProgress"}, 53 {0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor 54 // type code os 0x09 55 {0xC3, 0x6F, "BootCount"}, 56 {0x1F, 0x6F, "OperatingSystemStatus"}, 57 {0x12, 0x6F, "SYSTEM_EVENT"}, 58 {0xC7, 0x03, "SYSTEM"}, 59 {0xC7, 0x03, "MAIN_PLANAR"}, 60 {0xC2, 0x6F, "PowerCap"}, 61 {0x0b, 0xCA, "PowerSupplyRedundancy"}, 62 {0xDA, 0x03, "TurboAllowed"}, 63 {0xD8, 0xC8, "PowerSupplyDerating"}, 64 {0xFF, 0x00, ""}, 65 }; 66 67 struct sensor_data_t 68 { 69 uint8_t sennum; 70 } __attribute__((packed)); 71 72 struct sensorreadingresp_t 73 { 74 uint8_t value; 75 uint8_t operation; 76 uint8_t indication[2]; 77 } __attribute__((packed)); 78 79 int get_bus_for_path(const char* path, char** busname) 80 { 81 return mapper_get_service(bus, path, busname); 82 } 83 84 // Use a lookup table to find the interface name of a specific sensor 85 // This will be used until an alternative is found. this is the first 86 // step for mapping IPMI 87 int find_openbmc_path(uint8_t num, dbus_interface_t* interface) 88 { 89 int rc; 90 91 const auto& sensor_it = sensors.find(num); 92 if (sensor_it == sensors.end()) 93 { 94 // The sensor map does not contain the sensor requested 95 return -EINVAL; 96 } 97 98 const auto& info = sensor_it->second; 99 100 char* busname = nullptr; 101 rc = get_bus_for_path(info.sensorPath.c_str(), &busname); 102 if (rc < 0) 103 { 104 fprintf(stderr, "Failed to get %s busname: %s\n", 105 info.sensorPath.c_str(), busname); 106 goto final; 107 } 108 109 interface->sensortype = info.sensorType; 110 strcpy(interface->bus, busname); 111 strcpy(interface->path, info.sensorPath.c_str()); 112 // Take the interface name from the beginning of the DbusInterfaceMap. This 113 // works for the Value interface but may not suffice for more complex 114 // sensors. 115 // tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103 116 strcpy(interface->interface, 117 info.propertyInterfaces.begin()->first.c_str()); 118 interface->sensornumber = num; 119 120 final: 121 free(busname); 122 return rc; 123 } 124 125 ///////////////////////////////////////////////////////////////////// 126 // 127 // Routines used by ipmi commands wanting to interact on the dbus 128 // 129 ///////////////////////////////////////////////////////////////////// 130 int set_sensor_dbus_state_s(uint8_t number, const char* method, 131 const char* value) 132 { 133 134 dbus_interface_t a; 135 int r; 136 sd_bus_error error = SD_BUS_ERROR_NULL; 137 sd_bus_message* m = NULL; 138 139 fprintf(ipmidbus, 140 "Attempting to set a dbus Variant Sensor 0x%02x via %s with a " 141 "value of %s\n", 142 number, method, value); 143 144 r = find_openbmc_path(number, &a); 145 146 if (r < 0) 147 { 148 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 149 return 0; 150 } 151 152 r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface, 153 method); 154 if (r < 0) 155 { 156 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 157 goto final; 158 } 159 160 r = sd_bus_message_append(m, "v", "s", value); 161 if (r < 0) 162 { 163 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 164 goto final; 165 } 166 167 r = sd_bus_call(bus, m, 0, &error, NULL); 168 if (r < 0) 169 { 170 fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 171 } 172 173 final: 174 sd_bus_error_free(&error); 175 m = sd_bus_message_unref(m); 176 177 return 0; 178 } 179 int set_sensor_dbus_state_y(uint8_t number, const char* method, 180 const uint8_t value) 181 { 182 183 dbus_interface_t a; 184 int r; 185 sd_bus_error error = SD_BUS_ERROR_NULL; 186 sd_bus_message* m = NULL; 187 188 fprintf(ipmidbus, 189 "Attempting to set a dbus Variant Sensor 0x%02x via %s with a " 190 "value of 0x%02x\n", 191 number, method, value); 192 193 r = find_openbmc_path(number, &a); 194 195 if (r < 0) 196 { 197 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 198 return 0; 199 } 200 201 r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface, 202 method); 203 if (r < 0) 204 { 205 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 206 goto final; 207 } 208 209 r = sd_bus_message_append(m, "v", "i", value); 210 if (r < 0) 211 { 212 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 213 goto final; 214 } 215 216 r = sd_bus_call(bus, m, 0, &error, NULL); 217 if (r < 0) 218 { 219 fprintf(stderr, "12 Failed to call the method: %s", strerror(-r)); 220 } 221 222 final: 223 sd_bus_error_free(&error); 224 m = sd_bus_message_unref(m); 225 226 return 0; 227 } 228 229 uint8_t dbus_to_sensor_type(char* p) 230 { 231 232 sensorTypemap_t* s = g_SensorTypeMap; 233 char r = 0; 234 while (s->number != 0xFF) 235 { 236 if (!strcmp(s->dbusname, p)) 237 { 238 r = s->typecode; 239 break; 240 } 241 s++; 242 } 243 244 if (s->number == 0xFF) 245 printf("Failed to find Sensor Type %s\n", p); 246 247 return r; 248 } 249 250 uint8_t get_type_from_interface(dbus_interface_t dbus_if) 251 { 252 253 char* p; 254 uint8_t type; 255 256 // This is where sensors that do not exist in dbus but do 257 // exist in the host code stop. This should indicate it 258 // is not a supported sensor 259 if (dbus_if.interface[0] == 0) 260 { 261 return 0; 262 } 263 264 // Fetch type from interface itself. 265 if (dbus_if.sensortype != 0) 266 { 267 type = dbus_if.sensortype; 268 } 269 else 270 { 271 // Non InventoryItems 272 p = strrchr(dbus_if.path, '/'); 273 type = dbus_to_sensor_type(p + 1); 274 } 275 276 return type; 277 } 278 279 // Replaces find_sensor 280 uint8_t find_type_for_sensor_number(uint8_t num) 281 { 282 int r; 283 dbus_interface_t dbus_if; 284 r = find_openbmc_path(num, &dbus_if); 285 if (r < 0) 286 { 287 fprintf(stderr, "Could not find sensor %d\n", num); 288 return 0; 289 } 290 return get_type_from_interface(dbus_if); 291 } 292 293 ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 294 ipmi_request_t request, 295 ipmi_response_t response, 296 ipmi_data_len_t data_len, 297 ipmi_context_t context) 298 { 299 sensor_data_t* reqptr = (sensor_data_t*)request; 300 ipmi_ret_t rc = IPMI_CC_OK; 301 302 printf("IPMI GET_SENSOR_TYPE [0x%02X]\n", reqptr->sennum); 303 304 // TODO Not sure what the System-event-sensor is suppose to return 305 // need to ask Hostboot team 306 unsigned char buf[] = {0x00, 0x6F}; 307 308 buf[0] = find_type_for_sensor_number(reqptr->sennum); 309 310 // HACK UNTIL Dbus gets updated or we find a better way 311 if (buf[0] == 0) 312 { 313 rc = IPMI_CC_SENSOR_INVALID; 314 } 315 316 *data_len = sizeof(buf); 317 memcpy(response, &buf, *data_len); 318 319 return rc; 320 } 321 322 const std::set<std::string> analogSensorInterfaces = { 323 "xyz.openbmc_project.Sensor.Value", 324 "xyz.openbmc_project.Control.FanPwm", 325 }; 326 327 bool isAnalogSensor(const std::string& interface) 328 { 329 return (analogSensorInterfaces.count(interface)); 330 } 331 332 ipmi_ret_t setSensorReading(void* request) 333 { 334 ipmi::sensor::SetSensorReadingReq cmdData = 335 *(static_cast<ipmi::sensor::SetSensorReadingReq*>(request)); 336 337 // Check if the Sensor Number is present 338 const auto iter = sensors.find(cmdData.number); 339 if (iter == sensors.end()) 340 { 341 return IPMI_CC_SENSOR_INVALID; 342 } 343 344 try 345 { 346 if (ipmi::sensor::Mutability::Write != 347 (iter->second.mutability & ipmi::sensor::Mutability::Write)) 348 { 349 log<level::ERR>("Sensor Set operation is not allowed", 350 entry("SENSOR_NUM=%d", cmdData.number)); 351 return IPMI_CC_ILLEGAL_COMMAND; 352 } 353 return iter->second.updateFunc(cmdData, iter->second); 354 } 355 catch (InternalFailure& e) 356 { 357 log<level::ERR>("Set sensor failed", 358 entry("SENSOR_NUM=%d", cmdData.number)); 359 commit<InternalFailure>(); 360 } 361 catch (const std::runtime_error& e) 362 { 363 log<level::ERR>(e.what()); 364 } 365 366 return IPMI_CC_UNSPECIFIED_ERROR; 367 } 368 369 ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 370 ipmi_request_t request, ipmi_response_t response, 371 ipmi_data_len_t data_len, ipmi_context_t context) 372 { 373 sensor_data_t* reqptr = (sensor_data_t*)request; 374 375 log<level::DEBUG>("IPMI SET_SENSOR", 376 entry("SENSOR_NUM=0x%02x", reqptr->sennum)); 377 378 /* 379 * This would support the Set Sensor Reading command for the presence 380 * and functional state of Processor, Core & DIMM. For the remaining 381 * sensors the existing support is invoked. 382 */ 383 auto ipmiRC = setSensorReading(request); 384 385 if (ipmiRC == IPMI_CC_SENSOR_INVALID) 386 { 387 updateSensorRecordFromSSRAESC(reqptr); 388 ipmiRC = IPMI_CC_OK; 389 } 390 391 *data_len = 0; 392 return ipmiRC; 393 } 394 395 ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 396 ipmi_request_t request, 397 ipmi_response_t response, 398 ipmi_data_len_t data_len, 399 ipmi_context_t context) 400 { 401 sensor_data_t* reqptr = (sensor_data_t*)request; 402 sensorreadingresp_t* resp = (sensorreadingresp_t*)response; 403 ipmi::sensor::GetSensorResponse getResponse{}; 404 static constexpr auto scanningEnabledBit = 6; 405 406 const auto iter = sensors.find(reqptr->sennum); 407 if (iter == sensors.end()) 408 { 409 return IPMI_CC_SENSOR_INVALID; 410 } 411 if (ipmi::sensor::Mutability::Read != 412 (iter->second.mutability & ipmi::sensor::Mutability::Read)) 413 { 414 return IPMI_CC_ILLEGAL_COMMAND; 415 } 416 417 try 418 { 419 getResponse = iter->second.getFunc(iter->second); 420 *data_len = getResponse.size(); 421 memcpy(resp, getResponse.data(), *data_len); 422 resp->operation = 1 << scanningEnabledBit; 423 return IPMI_CC_OK; 424 } 425 catch (const std::exception& e) 426 { 427 *data_len = getResponse.size(); 428 memcpy(resp, getResponse.data(), *data_len); 429 return IPMI_CC_OK; 430 } 431 } 432 433 void getSensorThresholds(uint8_t sensorNum, 434 get_sdr::GetSensorThresholdsResponse* response) 435 { 436 constexpr auto warningThreshIntf = 437 "xyz.openbmc_project.Sensor.Threshold.Warning"; 438 constexpr auto criticalThreshIntf = 439 "xyz.openbmc_project.Sensor.Threshold.Critical"; 440 441 sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; 442 443 const auto iter = sensors.find(sensorNum); 444 const auto info = iter->second; 445 446 auto service = ipmi::getService(bus, info.sensorInterface, info.sensorPath); 447 448 auto warnThresholds = ipmi::getAllDbusProperties( 449 bus, service, info.sensorPath, warningThreshIntf); 450 451 double warnLow = mapbox::util::apply_visitor(ipmi::VariantToDoubleVisitor(), 452 warnThresholds["WarningLow"]); 453 double warnHigh = mapbox::util::apply_visitor( 454 ipmi::VariantToDoubleVisitor(), warnThresholds["WarningHigh"]); 455 456 if (warnLow != 0) 457 { 458 warnLow *= pow(10, info.scale - info.exponentR); 459 response->lowerNonCritical = static_cast<uint8_t>( 460 (warnLow - info.scaledOffset) / info.coefficientM); 461 response->validMask |= static_cast<uint8_t>( 462 ipmi::sensor::ThresholdMask::NON_CRITICAL_LOW_MASK); 463 } 464 465 if (warnHigh != 0) 466 { 467 warnHigh *= pow(10, info.scale - info.exponentR); 468 response->upperNonCritical = static_cast<uint8_t>( 469 (warnHigh - info.scaledOffset) / info.coefficientM); 470 response->validMask |= static_cast<uint8_t>( 471 ipmi::sensor::ThresholdMask::NON_CRITICAL_HIGH_MASK); 472 } 473 474 auto critThresholds = ipmi::getAllDbusProperties( 475 bus, service, info.sensorPath, criticalThreshIntf); 476 double critLow = mapbox::util::apply_visitor(ipmi::VariantToDoubleVisitor(), 477 critThresholds["CriticalLow"]); 478 double critHigh = mapbox::util::apply_visitor( 479 ipmi::VariantToDoubleVisitor(), critThresholds["CriticalHigh"]); 480 481 if (critLow != 0) 482 { 483 critLow *= pow(10, info.scale - info.exponentR); 484 response->lowerCritical = static_cast<uint8_t>( 485 (critLow - info.scaledOffset) / info.coefficientM); 486 response->validMask |= static_cast<uint8_t>( 487 ipmi::sensor::ThresholdMask::CRITICAL_LOW_MASK); 488 } 489 490 if (critHigh != 0) 491 { 492 critHigh *= pow(10, info.scale - info.exponentR); 493 response->upperCritical = static_cast<uint8_t>( 494 (critHigh - info.scaledOffset) / info.coefficientM); 495 response->validMask |= static_cast<uint8_t>( 496 ipmi::sensor::ThresholdMask::CRITICAL_HIGH_MASK); 497 } 498 } 499 500 ipmi_ret_t ipmi_sen_get_sensor_thresholds(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 501 ipmi_request_t request, 502 ipmi_response_t response, 503 ipmi_data_len_t data_len, 504 ipmi_context_t context) 505 { 506 constexpr auto valueInterface = "xyz.openbmc_project.Sensor.Value"; 507 508 if (*data_len != sizeof(uint8_t)) 509 { 510 *data_len = 0; 511 return IPMI_CC_REQ_DATA_LEN_INVALID; 512 } 513 514 auto sensorNum = *(reinterpret_cast<const uint8_t*>(request)); 515 *data_len = 0; 516 517 const auto iter = sensors.find(sensorNum); 518 if (iter == sensors.end()) 519 { 520 return IPMI_CC_SENSOR_INVALID; 521 } 522 523 const auto info = iter->second; 524 525 // Proceed only if the sensor value interface is implemented. 526 if (info.propertyInterfaces.find(valueInterface) == 527 info.propertyInterfaces.end()) 528 { 529 // return with valid mask as 0 530 return IPMI_CC_OK; 531 } 532 533 auto responseData = 534 reinterpret_cast<get_sdr::GetSensorThresholdsResponse*>(response); 535 536 try 537 { 538 getSensorThresholds(sensorNum, responseData); 539 } 540 catch (std::exception& e) 541 { 542 // Mask if the property is not present 543 responseData->validMask = 0; 544 } 545 546 *data_len = sizeof(get_sdr::GetSensorThresholdsResponse); 547 return IPMI_CC_OK; 548 } 549 550 ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 551 ipmi_request_t request, ipmi_response_t response, 552 ipmi_data_len_t data_len, ipmi_context_t context) 553 { 554 ipmi_ret_t rc = IPMI_CC_INVALID; 555 556 printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n", netfn, cmd); 557 *data_len = 0; 558 559 return rc; 560 } 561 562 ipmi_ret_t ipmi_sen_get_sdr_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 563 ipmi_request_t request, 564 ipmi_response_t response, 565 ipmi_data_len_t data_len, 566 ipmi_context_t context) 567 { 568 auto resp = static_cast<get_sdr_info::GetSdrInfoResp*>(response); 569 if (request == nullptr || 570 get_sdr_info::request::get_count(request) == false) 571 { 572 // Get Sensor Count 573 resp->count = sensors.size() + frus.size(); 574 } 575 else 576 { 577 resp->count = 1; 578 } 579 580 // Multiple LUNs not supported. 581 namespace response = get_sdr_info::response; 582 response::set_lun_present(0, &(resp->luns_and_dynamic_population)); 583 response::set_lun_not_present(1, &(resp->luns_and_dynamic_population)); 584 response::set_lun_not_present(2, &(resp->luns_and_dynamic_population)); 585 response::set_lun_not_present(3, &(resp->luns_and_dynamic_population)); 586 response::set_static_population(&(resp->luns_and_dynamic_population)); 587 588 *data_len = SDR_INFO_RESP_SIZE; 589 590 return IPMI_CC_OK; 591 } 592 593 ipmi_ret_t ipmi_sen_reserve_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 594 ipmi_request_t request, 595 ipmi_response_t response, 596 ipmi_data_len_t data_len, 597 ipmi_context_t context) 598 { 599 // A constant reservation ID is okay until we implement add/remove SDR. 600 const uint16_t reservation_id = 1; 601 *(uint16_t*)response = reservation_id; 602 *data_len = sizeof(uint16_t); 603 604 printf("Created new IPMI SDR reservation ID %d\n", *(uint16_t*)response); 605 return IPMI_CC_OK; 606 } 607 608 void setUnitFieldsForObject(const ipmi::sensor::Info* info, 609 get_sdr::SensorDataFullRecordBody* body) 610 { 611 namespace server = sdbusplus::xyz::openbmc_project::Sensor::server; 612 try 613 { 614 auto unit = server::Value::convertUnitFromString(info->unit); 615 // Unit strings defined in 616 // phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml 617 switch (unit) 618 { 619 case server::Value::Unit::DegreesC: 620 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C; 621 break; 622 case server::Value::Unit::RPMS: 623 body->sensor_units_2_base = 624 get_sdr::SENSOR_UNIT_REVOLUTIONS; // revolutions 625 get_sdr::body::set_rate_unit(0b100, body); // per minute 626 break; 627 case server::Value::Unit::Volts: 628 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS; 629 break; 630 case server::Value::Unit::Meters: 631 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS; 632 break; 633 case server::Value::Unit::Amperes: 634 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES; 635 break; 636 case server::Value::Unit::Joules: 637 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES; 638 break; 639 case server::Value::Unit::Watts: 640 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_WATTS; 641 break; 642 default: 643 // Cannot be hit. 644 fprintf(stderr, "Unknown value unit type: = %s\n", 645 info->unit.c_str()); 646 } 647 } 648 catch (sdbusplus::exception::InvalidEnumString e) 649 { 650 log<level::WARNING>("Warning: no unit provided for sensor!"); 651 } 652 } 653 654 ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody* body, 655 const ipmi::sensor::Info* info, 656 ipmi_data_len_t data_len) 657 { 658 /* Functional sensor case */ 659 if (isAnalogSensor(info->propertyInterfaces.begin()->first)) 660 { 661 662 body->sensor_units_1 = 0; // unsigned, no rate, no modifier, not a % 663 664 /* Unit info */ 665 setUnitFieldsForObject(info, body); 666 667 get_sdr::body::set_b(info->coefficientB, body); 668 get_sdr::body::set_m(info->coefficientM, body); 669 get_sdr::body::set_b_exp(info->exponentB, body); 670 get_sdr::body::set_r_exp(info->exponentR, body); 671 672 get_sdr::body::set_id_type(0b00, body); // 00 = unicode 673 } 674 675 /* ID string */ 676 auto id_string = info->sensorNameFunc(*info); 677 678 if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH) 679 { 680 get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body); 681 } 682 else 683 { 684 get_sdr::body::set_id_strlen(id_string.length(), body); 685 } 686 strncpy(body->id_string, id_string.c_str(), 687 get_sdr::body::get_id_strlen(body)); 688 689 return IPMI_CC_OK; 690 }; 691 692 ipmi_ret_t ipmi_fru_get_sdr(ipmi_request_t request, ipmi_response_t response, 693 ipmi_data_len_t data_len) 694 { 695 auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request); 696 auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response); 697 get_sdr::SensorDataFruRecord record{}; 698 auto dataLength = 0; 699 700 auto fru = frus.begin(); 701 uint8_t fruID{}; 702 auto recordID = get_sdr::request::get_record_id(req); 703 704 fruID = recordID - FRU_RECORD_ID_START; 705 fru = frus.find(fruID); 706 if (fru == frus.end()) 707 { 708 return IPMI_CC_SENSOR_INVALID; 709 } 710 711 /* Header */ 712 get_sdr::header::set_record_id(recordID, &(record.header)); 713 record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1 714 record.header.record_type = get_sdr::SENSOR_DATA_FRU_RECORD; 715 record.header.record_length = sizeof(record.key) + sizeof(record.body); 716 717 /* Key */ 718 record.key.fruID = fruID; 719 record.key.accessLun |= IPMI_LOGICAL_FRU; 720 record.key.deviceAddress = BMCSlaveAddress; 721 722 /* Body */ 723 record.body.entityID = fru->second[0].entityID; 724 record.body.entityInstance = fru->second[0].entityInstance; 725 record.body.deviceType = fruInventoryDevice; 726 record.body.deviceTypeModifier = IPMIFruInventory; 727 728 /* Device ID string */ 729 auto deviceID = 730 fru->second[0].path.substr(fru->second[0].path.find_last_of('/') + 1, 731 fru->second[0].path.length()); 732 733 if (deviceID.length() > get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH) 734 { 735 get_sdr::body::set_device_id_strlen( 736 get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH, &(record.body)); 737 } 738 else 739 { 740 get_sdr::body::set_device_id_strlen(deviceID.length(), &(record.body)); 741 } 742 743 strncpy(record.body.deviceID, deviceID.c_str(), 744 get_sdr::body::get_device_id_strlen(&(record.body))); 745 746 if (++fru == frus.end()) 747 { 748 get_sdr::response::set_next_record_id(END_OF_RECORD, 749 resp); // last record 750 } 751 else 752 { 753 get_sdr::response::set_next_record_id( 754 (FRU_RECORD_ID_START + fru->first), resp); 755 } 756 757 if (req->bytes_to_read > (sizeof(*resp) - req->offset)) 758 { 759 dataLength = (sizeof(*resp) - req->offset); 760 } 761 else 762 { 763 dataLength = req->bytes_to_read; 764 } 765 766 if (dataLength <= 0) 767 { 768 return IPMI_CC_REQ_DATA_LEN_INVALID; 769 } 770 771 memcpy(resp->record_data, reinterpret_cast<uint8_t*>(&record) + req->offset, 772 (dataLength)); 773 774 *data_len = dataLength; 775 *data_len += 2; // additional 2 bytes for next record ID 776 777 return IPMI_CC_OK; 778 } 779 780 ipmi_ret_t ipmi_sen_get_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 781 ipmi_request_t request, ipmi_response_t response, 782 ipmi_data_len_t data_len, ipmi_context_t context) 783 { 784 ipmi_ret_t ret = IPMI_CC_OK; 785 get_sdr::GetSdrReq* req = (get_sdr::GetSdrReq*)request; 786 get_sdr::GetSdrResp* resp = (get_sdr::GetSdrResp*)response; 787 get_sdr::SensorDataFullRecord record = {0}; 788 if (req != NULL) 789 { 790 // Note: we use an iterator so we can provide the next ID at the end of 791 // the call. 792 auto sensor = sensors.begin(); 793 auto recordID = get_sdr::request::get_record_id(req); 794 795 // At the beginning of a scan, the host side will send us id=0. 796 if (recordID != 0) 797 { 798 // recordID greater then 255,it means it is a FRU record. 799 // Currently we are supporting two record types either FULL record 800 // or FRU record. 801 if (recordID >= FRU_RECORD_ID_START) 802 { 803 return ipmi_fru_get_sdr(request, response, data_len); 804 } 805 else 806 { 807 sensor = sensors.find(recordID); 808 if (sensor == sensors.end()) 809 { 810 return IPMI_CC_SENSOR_INVALID; 811 } 812 } 813 } 814 815 uint8_t sensor_id = sensor->first; 816 817 /* Header */ 818 get_sdr::header::set_record_id(sensor_id, &(record.header)); 819 record.header.sdr_version = 0x51; // Based on IPMI Spec v2.0 rev 1.1 820 record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD; 821 record.header.record_length = sizeof(get_sdr::SensorDataFullRecord); 822 823 /* Key */ 824 get_sdr::key::set_owner_id_bmc(&(record.key)); 825 record.key.sensor_number = sensor_id; 826 827 /* Body */ 828 record.body.entity_id = sensor->second.entityType; 829 record.body.sensor_type = sensor->second.sensorType; 830 record.body.event_reading_type = sensor->second.sensorReadingType; 831 record.body.entity_instance = sensor->second.instance; 832 833 // Set the type-specific details given the DBus interface 834 ret = populate_record_from_dbus(&(record.body), &(sensor->second), 835 data_len); 836 837 if (++sensor == sensors.end()) 838 { 839 // we have reached till end of sensor, so assign the next record id 840 // to 256(Max Sensor ID = 255) + FRU ID(may start with 0). 841 auto next_record_id = 842 (frus.size()) ? frus.begin()->first + FRU_RECORD_ID_START 843 : END_OF_RECORD; 844 845 get_sdr::response::set_next_record_id(next_record_id, resp); 846 } 847 else 848 { 849 get_sdr::response::set_next_record_id(sensor->first, resp); 850 } 851 852 *data_len = sizeof(get_sdr::GetSdrResp) - req->offset; 853 memcpy(resp->record_data, (char*)&record + req->offset, 854 sizeof(get_sdr::SensorDataFullRecord) - req->offset); 855 } 856 857 return ret; 858 } 859 860 void register_netfn_sen_functions() 861 { 862 // <Wildcard Command> 863 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD, nullptr, 864 ipmi_sen_wildcard, PRIVILEGE_USER); 865 866 // <Get Sensor Type> 867 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE, nullptr, 868 ipmi_sen_get_sensor_type, PRIVILEGE_USER); 869 870 // <Set Sensor Reading and Event Status> 871 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR, nullptr, 872 ipmi_sen_set_sensor, PRIVILEGE_OPERATOR); 873 874 // <Get Sensor Reading> 875 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING, nullptr, 876 ipmi_sen_get_sensor_reading, PRIVILEGE_USER); 877 878 // <Reserve Device SDR Repository> 879 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_RESERVE_DEVICE_SDR_REPO, 880 nullptr, ipmi_sen_reserve_sdr, PRIVILEGE_USER); 881 882 // <Get Device SDR Info> 883 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR_INFO, nullptr, 884 ipmi_sen_get_sdr_info, PRIVILEGE_USER); 885 886 // <Get Device SDR> 887 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR, nullptr, 888 ipmi_sen_get_sdr, PRIVILEGE_USER); 889 890 // <Get Sensor Thresholds> 891 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_THRESHOLDS, 892 nullptr, ipmi_sen_get_sensor_thresholds, 893 PRIVILEGE_USER); 894 895 return; 896 } 897