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 <systemd/sd-bus.h> 11 12 #include <bitset> 13 #include <cmath> 14 #include <cstring> 15 #include <phosphor-logging/elog-errors.hpp> 16 #include <phosphor-logging/log.hpp> 17 #include <sdbusplus/message/types.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 namespace variant_ns = sdbusplus::message::variant_ns; 36 37 void register_netfn_sen_functions() __attribute__((constructor)); 38 39 struct sensorTypemap_t 40 { 41 uint8_t number; 42 uint8_t typecode; 43 char dbusname[32]; 44 }; 45 46 sensorTypemap_t g_SensorTypeMap[] = { 47 48 {0x01, 0x6F, "Temp"}, 49 {0x0C, 0x6F, "DIMM"}, 50 {0x0C, 0x6F, "MEMORY_BUFFER"}, 51 {0x07, 0x6F, "PROC"}, 52 {0x07, 0x6F, "CORE"}, 53 {0x07, 0x6F, "CPU"}, 54 {0x0F, 0x6F, "BootProgress"}, 55 {0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor 56 // type code os 0x09 57 {0xC3, 0x6F, "BootCount"}, 58 {0x1F, 0x6F, "OperatingSystemStatus"}, 59 {0x12, 0x6F, "SYSTEM_EVENT"}, 60 {0xC7, 0x03, "SYSTEM"}, 61 {0xC7, 0x03, "MAIN_PLANAR"}, 62 {0xC2, 0x6F, "PowerCap"}, 63 {0x0b, 0xCA, "PowerSupplyRedundancy"}, 64 {0xDA, 0x03, "TurboAllowed"}, 65 {0xD8, 0xC8, "PowerSupplyDerating"}, 66 {0xFF, 0x00, ""}, 67 }; 68 69 struct sensor_data_t 70 { 71 uint8_t sennum; 72 } __attribute__((packed)); 73 74 struct sensorreadingresp_t 75 { 76 uint8_t value; 77 uint8_t operation; 78 uint8_t indication[2]; 79 } __attribute__((packed)); 80 81 int get_bus_for_path(const char* path, char** busname) 82 { 83 return mapper_get_service(bus, path, busname); 84 } 85 86 // Use a lookup table to find the interface name of a specific sensor 87 // This will be used until an alternative is found. this is the first 88 // step for mapping IPMI 89 int find_openbmc_path(uint8_t num, dbus_interface_t* interface) 90 { 91 int rc; 92 93 const auto& sensor_it = sensors.find(num); 94 if (sensor_it == sensors.end()) 95 { 96 // The sensor map does not contain the sensor requested 97 return -EINVAL; 98 } 99 100 const auto& info = sensor_it->second; 101 102 char* busname = nullptr; 103 rc = get_bus_for_path(info.sensorPath.c_str(), &busname); 104 if (rc < 0) 105 { 106 std::fprintf(stderr, "Failed to get %s busname: %s\n", 107 info.sensorPath.c_str(), busname); 108 goto final; 109 } 110 111 interface->sensortype = info.sensorType; 112 strcpy(interface->bus, busname); 113 strcpy(interface->path, info.sensorPath.c_str()); 114 // Take the interface name from the beginning of the DbusInterfaceMap. This 115 // works for the Value interface but may not suffice for more complex 116 // sensors. 117 // tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103 118 strcpy(interface->interface, 119 info.propertyInterfaces.begin()->first.c_str()); 120 interface->sensornumber = num; 121 122 final: 123 free(busname); 124 return rc; 125 } 126 127 ///////////////////////////////////////////////////////////////////// 128 // 129 // Routines used by ipmi commands wanting to interact on the dbus 130 // 131 ///////////////////////////////////////////////////////////////////// 132 int set_sensor_dbus_state_s(uint8_t number, const char* method, 133 const char* value) 134 { 135 136 dbus_interface_t a; 137 int r; 138 sd_bus_error error = SD_BUS_ERROR_NULL; 139 sd_bus_message* m = NULL; 140 141 std::fprintf(ipmidbus, 142 "Attempting to set a dbus Variant Sensor 0x%02x via %s with a " 143 "value of %s\n", 144 number, method, value); 145 146 r = find_openbmc_path(number, &a); 147 148 if (r < 0) 149 { 150 std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 151 return 0; 152 } 153 154 r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface, 155 method); 156 if (r < 0) 157 { 158 std::fprintf(stderr, "Failed to create a method call: %s", 159 strerror(-r)); 160 goto final; 161 } 162 163 r = sd_bus_message_append(m, "v", "s", value); 164 if (r < 0) 165 { 166 std::fprintf(stderr, "Failed to create a input parameter: %s", 167 strerror(-r)); 168 goto final; 169 } 170 171 r = sd_bus_call(bus, m, 0, &error, NULL); 172 if (r < 0) 173 { 174 std::fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 175 } 176 177 final: 178 sd_bus_error_free(&error); 179 m = sd_bus_message_unref(m); 180 181 return 0; 182 } 183 int set_sensor_dbus_state_y(uint8_t number, const char* method, 184 const uint8_t value) 185 { 186 187 dbus_interface_t a; 188 int r; 189 sd_bus_error error = SD_BUS_ERROR_NULL; 190 sd_bus_message* m = NULL; 191 192 std::fprintf(ipmidbus, 193 "Attempting to set a dbus Variant Sensor 0x%02x via %s with a " 194 "value of 0x%02x\n", 195 number, method, value); 196 197 r = find_openbmc_path(number, &a); 198 199 if (r < 0) 200 { 201 std::fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 202 return 0; 203 } 204 205 r = sd_bus_message_new_method_call(bus, &m, a.bus, a.path, a.interface, 206 method); 207 if (r < 0) 208 { 209 std::fprintf(stderr, "Failed to create a method call: %s", 210 strerror(-r)); 211 goto final; 212 } 213 214 r = sd_bus_message_append(m, "v", "i", value); 215 if (r < 0) 216 { 217 std::fprintf(stderr, "Failed to create a input parameter: %s", 218 strerror(-r)); 219 goto final; 220 } 221 222 r = sd_bus_call(bus, m, 0, &error, NULL); 223 if (r < 0) 224 { 225 std::fprintf(stderr, "12 Failed to call the method: %s", strerror(-r)); 226 } 227 228 final: 229 sd_bus_error_free(&error); 230 m = sd_bus_message_unref(m); 231 232 return 0; 233 } 234 235 uint8_t dbus_to_sensor_type(char* p) 236 { 237 238 sensorTypemap_t* s = g_SensorTypeMap; 239 char r = 0; 240 while (s->number != 0xFF) 241 { 242 if (!strcmp(s->dbusname, p)) 243 { 244 r = s->typecode; 245 break; 246 } 247 s++; 248 } 249 250 if (s->number == 0xFF) 251 printf("Failed to find Sensor Type %s\n", p); 252 253 return r; 254 } 255 256 uint8_t get_type_from_interface(dbus_interface_t dbus_if) 257 { 258 259 uint8_t type; 260 261 // This is where sensors that do not exist in dbus but do 262 // exist in the host code stop. This should indicate it 263 // is not a supported sensor 264 if (dbus_if.interface[0] == 0) 265 { 266 return 0; 267 } 268 269 // Fetch type from interface itself. 270 if (dbus_if.sensortype != 0) 271 { 272 type = dbus_if.sensortype; 273 } 274 else 275 { 276 // Non InventoryItems 277 char* p = strrchr(dbus_if.path, '/'); 278 type = dbus_to_sensor_type(p + 1); 279 } 280 281 return type; 282 } 283 284 // Replaces find_sensor 285 uint8_t find_type_for_sensor_number(uint8_t num) 286 { 287 int r; 288 dbus_interface_t dbus_if; 289 r = find_openbmc_path(num, &dbus_if); 290 if (r < 0) 291 { 292 std::fprintf(stderr, "Could not find sensor %d\n", num); 293 return 0; 294 } 295 return get_type_from_interface(dbus_if); 296 } 297 298 ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 299 ipmi_request_t request, 300 ipmi_response_t response, 301 ipmi_data_len_t data_len, 302 ipmi_context_t context) 303 { 304 auto reqptr = static_cast<sensor_data_t*>(request); 305 ipmi_ret_t rc = IPMI_CC_OK; 306 307 printf("IPMI GET_SENSOR_TYPE [0x%02X]\n", reqptr->sennum); 308 309 // TODO Not sure what the System-event-sensor is suppose to return 310 // need to ask Hostboot team 311 unsigned char buf[] = {0x00, 0x6F}; 312 313 buf[0] = find_type_for_sensor_number(reqptr->sennum); 314 315 // HACK UNTIL Dbus gets updated or we find a better way 316 if (buf[0] == 0) 317 { 318 rc = IPMI_CC_SENSOR_INVALID; 319 } 320 321 *data_len = sizeof(buf); 322 std::memcpy(response, &buf, *data_len); 323 324 return rc; 325 } 326 327 const std::set<std::string> analogSensorInterfaces = { 328 "xyz.openbmc_project.Sensor.Value", 329 "xyz.openbmc_project.Control.FanPwm", 330 }; 331 332 bool isAnalogSensor(const std::string& interface) 333 { 334 return (analogSensorInterfaces.count(interface)); 335 } 336 337 ipmi_ret_t setSensorReading(void* request) 338 { 339 ipmi::sensor::SetSensorReadingReq cmdData = 340 *(static_cast<ipmi::sensor::SetSensorReadingReq*>(request)); 341 342 // Check if the Sensor Number is present 343 const auto iter = sensors.find(cmdData.number); 344 if (iter == sensors.end()) 345 { 346 return IPMI_CC_SENSOR_INVALID; 347 } 348 349 try 350 { 351 if (ipmi::sensor::Mutability::Write != 352 (iter->second.mutability & ipmi::sensor::Mutability::Write)) 353 { 354 log<level::ERR>("Sensor Set operation is not allowed", 355 entry("SENSOR_NUM=%d", cmdData.number)); 356 return IPMI_CC_ILLEGAL_COMMAND; 357 } 358 return iter->second.updateFunc(cmdData, iter->second); 359 } 360 catch (InternalFailure& e) 361 { 362 log<level::ERR>("Set sensor failed", 363 entry("SENSOR_NUM=%d", cmdData.number)); 364 commit<InternalFailure>(); 365 } 366 catch (const std::runtime_error& e) 367 { 368 log<level::ERR>(e.what()); 369 } 370 371 return IPMI_CC_UNSPECIFIED_ERROR; 372 } 373 374 ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 375 ipmi_request_t request, ipmi_response_t response, 376 ipmi_data_len_t data_len, ipmi_context_t context) 377 { 378 auto reqptr = static_cast<sensor_data_t*>(request); 379 380 log<level::DEBUG>("IPMI SET_SENSOR", 381 entry("SENSOR_NUM=0x%02x", reqptr->sennum)); 382 383 /* 384 * This would support the Set Sensor Reading command for the presence 385 * and functional state of Processor, Core & DIMM. For the remaining 386 * sensors the existing support is invoked. 387 */ 388 auto ipmiRC = setSensorReading(request); 389 390 if (ipmiRC == IPMI_CC_SENSOR_INVALID) 391 { 392 updateSensorRecordFromSSRAESC(reqptr); 393 ipmiRC = IPMI_CC_OK; 394 } 395 396 *data_len = 0; 397 return ipmiRC; 398 } 399 400 ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 401 ipmi_request_t request, 402 ipmi_response_t response, 403 ipmi_data_len_t data_len, 404 ipmi_context_t context) 405 { 406 auto reqptr = static_cast<sensor_data_t*>(request); 407 auto resp = static_cast<sensorreadingresp_t*>(response); 408 ipmi::sensor::GetSensorResponse getResponse{}; 409 static constexpr auto scanningEnabledBit = 6; 410 411 const auto iter = sensors.find(reqptr->sennum); 412 if (iter == sensors.end()) 413 { 414 return IPMI_CC_SENSOR_INVALID; 415 } 416 if (ipmi::sensor::Mutability::Read != 417 (iter->second.mutability & ipmi::sensor::Mutability::Read)) 418 { 419 return IPMI_CC_ILLEGAL_COMMAND; 420 } 421 422 try 423 { 424 getResponse = iter->second.getFunc(iter->second); 425 *data_len = getResponse.size(); 426 std::memcpy(resp, getResponse.data(), *data_len); 427 resp->operation = 1 << scanningEnabledBit; 428 return IPMI_CC_OK; 429 } 430 catch (const std::exception& e) 431 { 432 *data_len = getResponse.size(); 433 std::memcpy(resp, getResponse.data(), *data_len); 434 return IPMI_CC_OK; 435 } 436 } 437 438 void getSensorThresholds(uint8_t sensorNum, 439 get_sdr::GetSensorThresholdsResponse* response) 440 { 441 constexpr auto warningThreshIntf = 442 "xyz.openbmc_project.Sensor.Threshold.Warning"; 443 constexpr auto criticalThreshIntf = 444 "xyz.openbmc_project.Sensor.Threshold.Critical"; 445 446 sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; 447 448 const auto iter = sensors.find(sensorNum); 449 const auto info = iter->second; 450 451 auto service = ipmi::getService(bus, info.sensorInterface, info.sensorPath); 452 453 auto warnThresholds = ipmi::getAllDbusProperties( 454 bus, service, info.sensorPath, warningThreshIntf); 455 456 double warnLow = variant_ns::visit(ipmi::VariantToDoubleVisitor(), 457 warnThresholds["WarningLow"]); 458 double warnHigh = variant_ns::visit(ipmi::VariantToDoubleVisitor(), 459 warnThresholds["WarningHigh"]); 460 461 if (warnLow != 0) 462 { 463 warnLow *= std::pow(10, info.scale - info.exponentR); 464 response->lowerNonCritical = static_cast<uint8_t>( 465 (warnLow - info.scaledOffset) / info.coefficientM); 466 response->validMask |= static_cast<uint8_t>( 467 ipmi::sensor::ThresholdMask::NON_CRITICAL_LOW_MASK); 468 } 469 470 if (warnHigh != 0) 471 { 472 warnHigh *= std::pow(10, info.scale - info.exponentR); 473 response->upperNonCritical = static_cast<uint8_t>( 474 (warnHigh - info.scaledOffset) / info.coefficientM); 475 response->validMask |= static_cast<uint8_t>( 476 ipmi::sensor::ThresholdMask::NON_CRITICAL_HIGH_MASK); 477 } 478 479 auto critThresholds = ipmi::getAllDbusProperties( 480 bus, service, info.sensorPath, criticalThreshIntf); 481 double critLow = variant_ns::visit(ipmi::VariantToDoubleVisitor(), 482 critThresholds["CriticalLow"]); 483 double critHigh = variant_ns::visit(ipmi::VariantToDoubleVisitor(), 484 critThresholds["CriticalHigh"]); 485 486 if (critLow != 0) 487 { 488 critLow *= std::pow(10, info.scale - info.exponentR); 489 response->lowerCritical = static_cast<uint8_t>( 490 (critLow - info.scaledOffset) / info.coefficientM); 491 response->validMask |= static_cast<uint8_t>( 492 ipmi::sensor::ThresholdMask::CRITICAL_LOW_MASK); 493 } 494 495 if (critHigh != 0) 496 { 497 critHigh *= std::pow(10, info.scale - info.exponentR); 498 response->upperCritical = static_cast<uint8_t>( 499 (critHigh - info.scaledOffset) / info.coefficientM); 500 response->validMask |= static_cast<uint8_t>( 501 ipmi::sensor::ThresholdMask::CRITICAL_HIGH_MASK); 502 } 503 } 504 505 ipmi_ret_t ipmi_sen_get_sensor_thresholds(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 506 ipmi_request_t request, 507 ipmi_response_t response, 508 ipmi_data_len_t data_len, 509 ipmi_context_t context) 510 { 511 constexpr auto valueInterface = "xyz.openbmc_project.Sensor.Value"; 512 513 if (*data_len != sizeof(uint8_t)) 514 { 515 *data_len = 0; 516 return IPMI_CC_REQ_DATA_LEN_INVALID; 517 } 518 519 auto sensorNum = *(reinterpret_cast<const uint8_t*>(request)); 520 *data_len = 0; 521 522 const auto iter = sensors.find(sensorNum); 523 if (iter == sensors.end()) 524 { 525 return IPMI_CC_SENSOR_INVALID; 526 } 527 528 const auto info = iter->second; 529 530 // Proceed only if the sensor value interface is implemented. 531 if (info.propertyInterfaces.find(valueInterface) == 532 info.propertyInterfaces.end()) 533 { 534 // return with valid mask as 0 535 return IPMI_CC_OK; 536 } 537 538 auto responseData = 539 reinterpret_cast<get_sdr::GetSensorThresholdsResponse*>(response); 540 541 try 542 { 543 getSensorThresholds(sensorNum, responseData); 544 } 545 catch (std::exception& e) 546 { 547 // Mask if the property is not present 548 responseData->validMask = 0; 549 } 550 551 *data_len = sizeof(get_sdr::GetSensorThresholdsResponse); 552 return IPMI_CC_OK; 553 } 554 555 ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 556 ipmi_request_t request, ipmi_response_t response, 557 ipmi_data_len_t data_len, ipmi_context_t context) 558 { 559 ipmi_ret_t rc = IPMI_CC_INVALID; 560 561 printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n", netfn, cmd); 562 *data_len = 0; 563 564 return rc; 565 } 566 567 ipmi_ret_t ipmi_sen_get_sdr_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 568 ipmi_request_t request, 569 ipmi_response_t response, 570 ipmi_data_len_t data_len, 571 ipmi_context_t context) 572 { 573 auto resp = static_cast<get_sdr_info::GetSdrInfoResp*>(response); 574 if (request == nullptr || 575 get_sdr_info::request::get_count(request) == false) 576 { 577 // Get Sensor Count 578 resp->count = sensors.size() + frus.size(); 579 } 580 else 581 { 582 resp->count = 1; 583 } 584 585 // Multiple LUNs not supported. 586 namespace response = get_sdr_info::response; 587 response::set_lun_present(0, &(resp->luns_and_dynamic_population)); 588 response::set_lun_not_present(1, &(resp->luns_and_dynamic_population)); 589 response::set_lun_not_present(2, &(resp->luns_and_dynamic_population)); 590 response::set_lun_not_present(3, &(resp->luns_and_dynamic_population)); 591 response::set_static_population(&(resp->luns_and_dynamic_population)); 592 593 *data_len = SDR_INFO_RESP_SIZE; 594 595 return IPMI_CC_OK; 596 } 597 598 ipmi_ret_t ipmi_sen_reserve_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 599 ipmi_request_t request, 600 ipmi_response_t response, 601 ipmi_data_len_t data_len, 602 ipmi_context_t context) 603 { 604 // A constant reservation ID is okay until we implement add/remove SDR. 605 const uint16_t reservation_id = 1; 606 *(uint16_t*)response = reservation_id; 607 *data_len = sizeof(uint16_t); 608 609 printf("Created new IPMI SDR reservation ID %d\n", *(uint16_t*)response); 610 return IPMI_CC_OK; 611 } 612 613 void setUnitFieldsForObject(const ipmi::sensor::Info* info, 614 get_sdr::SensorDataFullRecordBody* body) 615 { 616 namespace server = sdbusplus::xyz::openbmc_project::Sensor::server; 617 try 618 { 619 auto unit = server::Value::convertUnitFromString(info->unit); 620 // Unit strings defined in 621 // phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml 622 switch (unit) 623 { 624 case server::Value::Unit::DegreesC: 625 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C; 626 break; 627 case server::Value::Unit::RPMS: 628 body->sensor_units_2_base = 629 get_sdr::SENSOR_UNIT_REVOLUTIONS; // revolutions 630 get_sdr::body::set_rate_unit(0b100, body); // per minute 631 break; 632 case server::Value::Unit::Volts: 633 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS; 634 break; 635 case server::Value::Unit::Meters: 636 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS; 637 break; 638 case server::Value::Unit::Amperes: 639 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES; 640 break; 641 case server::Value::Unit::Joules: 642 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES; 643 break; 644 case server::Value::Unit::Watts: 645 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_WATTS; 646 break; 647 default: 648 // Cannot be hit. 649 std::fprintf(stderr, "Unknown value unit type: = %s\n", 650 info->unit.c_str()); 651 } 652 } 653 catch (const sdbusplus::exception::InvalidEnumString& e) 654 { 655 log<level::WARNING>("Warning: no unit provided for sensor!"); 656 } 657 } 658 659 ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody* body, 660 const ipmi::sensor::Info* info, 661 ipmi_data_len_t data_len) 662 { 663 /* Functional sensor case */ 664 if (isAnalogSensor(info->propertyInterfaces.begin()->first)) 665 { 666 667 body->sensor_units_1 = 0; // unsigned, no rate, no modifier, not a % 668 669 /* Unit info */ 670 setUnitFieldsForObject(info, body); 671 672 get_sdr::body::set_b(info->coefficientB, body); 673 get_sdr::body::set_m(info->coefficientM, body); 674 get_sdr::body::set_b_exp(info->exponentB, body); 675 get_sdr::body::set_r_exp(info->exponentR, body); 676 677 get_sdr::body::set_id_type(0b00, body); // 00 = unicode 678 } 679 680 /* ID string */ 681 auto id_string = info->sensorNameFunc(*info); 682 683 if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH) 684 { 685 get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body); 686 } 687 else 688 { 689 get_sdr::body::set_id_strlen(id_string.length(), body); 690 } 691 strncpy(body->id_string, id_string.c_str(), 692 get_sdr::body::get_id_strlen(body)); 693 694 return IPMI_CC_OK; 695 }; 696 697 ipmi_ret_t ipmi_fru_get_sdr(ipmi_request_t request, ipmi_response_t response, 698 ipmi_data_len_t data_len) 699 { 700 auto req = reinterpret_cast<get_sdr::GetSdrReq*>(request); 701 auto resp = reinterpret_cast<get_sdr::GetSdrResp*>(response); 702 get_sdr::SensorDataFruRecord record{}; 703 auto dataLength = 0; 704 705 auto fru = frus.begin(); 706 uint8_t fruID{}; 707 auto recordID = get_sdr::request::get_record_id(req); 708 709 fruID = recordID - FRU_RECORD_ID_START; 710 fru = frus.find(fruID); 711 if (fru == frus.end()) 712 { 713 return IPMI_CC_SENSOR_INVALID; 714 } 715 716 /* Header */ 717 get_sdr::header::set_record_id(recordID, &(record.header)); 718 record.header.sdr_version = SDR_VERSION; // Based on IPMI Spec v2.0 rev 1.1 719 record.header.record_type = get_sdr::SENSOR_DATA_FRU_RECORD; 720 record.header.record_length = sizeof(record.key) + sizeof(record.body); 721 722 /* Key */ 723 record.key.fruID = fruID; 724 record.key.accessLun |= IPMI_LOGICAL_FRU; 725 record.key.deviceAddress = BMCSlaveAddress; 726 727 /* Body */ 728 record.body.entityID = fru->second[0].entityID; 729 record.body.entityInstance = fru->second[0].entityInstance; 730 record.body.deviceType = fruInventoryDevice; 731 record.body.deviceTypeModifier = IPMIFruInventory; 732 733 /* Device ID string */ 734 auto deviceID = 735 fru->second[0].path.substr(fru->second[0].path.find_last_of('/') + 1, 736 fru->second[0].path.length()); 737 738 if (deviceID.length() > get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH) 739 { 740 get_sdr::body::set_device_id_strlen( 741 get_sdr::FRU_RECORD_DEVICE_ID_MAX_LENGTH, &(record.body)); 742 } 743 else 744 { 745 get_sdr::body::set_device_id_strlen(deviceID.length(), &(record.body)); 746 } 747 748 strncpy(record.body.deviceID, deviceID.c_str(), 749 get_sdr::body::get_device_id_strlen(&(record.body))); 750 751 if (++fru == frus.end()) 752 { 753 get_sdr::response::set_next_record_id(END_OF_RECORD, 754 resp); // last record 755 } 756 else 757 { 758 get_sdr::response::set_next_record_id( 759 (FRU_RECORD_ID_START + fru->first), resp); 760 } 761 762 // Check for invalid offset size 763 if (req->offset > sizeof(record)) 764 { 765 return IPMI_CC_PARM_OUT_OF_RANGE; 766 } 767 768 dataLength = std::min(static_cast<size_t>(req->bytes_to_read), 769 sizeof(record) - req->offset); 770 771 std::memcpy(resp->record_data, 772 reinterpret_cast<uint8_t*>(&record) + req->offset, 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 if (req->offset > sizeof(record)) 853 { 854 return IPMI_CC_PARM_OUT_OF_RANGE; 855 } 856 857 // data_len will ultimately be the size of the record, plus 858 // the size of the next record ID: 859 *data_len = std::min(static_cast<size_t>(req->bytes_to_read), 860 sizeof(record) - req->offset); 861 862 std::memcpy(resp->record_data, 863 reinterpret_cast<uint8_t*>(&record) + req->offset, 864 *data_len); 865 866 // data_len should include the LSB and MSB: 867 *data_len += 868 sizeof(resp->next_record_id_lsb) + sizeof(resp->next_record_id_msb); 869 } 870 871 return ret; 872 } 873 874 void register_netfn_sen_functions() 875 { 876 // <Wildcard Command> 877 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD, nullptr, 878 ipmi_sen_wildcard, PRIVILEGE_USER); 879 880 // <Get Sensor Type> 881 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE, nullptr, 882 ipmi_sen_get_sensor_type, PRIVILEGE_USER); 883 884 // <Set Sensor Reading and Event Status> 885 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR, nullptr, 886 ipmi_sen_set_sensor, PRIVILEGE_OPERATOR); 887 888 // <Get Sensor Reading> 889 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING, nullptr, 890 ipmi_sen_get_sensor_reading, PRIVILEGE_USER); 891 892 // <Reserve Device SDR Repository> 893 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_RESERVE_DEVICE_SDR_REPO, 894 nullptr, ipmi_sen_reserve_sdr, PRIVILEGE_USER); 895 896 // <Get Device SDR Info> 897 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR_INFO, nullptr, 898 ipmi_sen_get_sdr_info, PRIVILEGE_USER); 899 900 // <Get Device SDR> 901 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR, nullptr, 902 ipmi_sen_get_sdr, PRIVILEGE_USER); 903 904 // <Get Sensor Thresholds> 905 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_THRESHOLDS, 906 nullptr, ipmi_sen_get_sensor_thresholds, 907 PRIVILEGE_USER); 908 909 return; 910 } 911