1 #include <mapper.h> 2 #include <math.h> 3 #include <stdio.h> 4 #include <string.h> 5 #include <bitset> 6 #include <xyz/openbmc_project/Sensor/Value/server.hpp> 7 #include <systemd/sd-bus.h> 8 #include "host-ipmid/ipmid-api.h" 9 #include <phosphor-logging/log.hpp> 10 #include <phosphor-logging/elog-errors.hpp> 11 #include "ipmid.hpp" 12 #include "sensorhandler.h" 13 #include "types.hpp" 14 #include "utils.hpp" 15 #include "xyz/openbmc_project/Common/error.hpp" 16 17 18 extern int updateSensorRecordFromSSRAESC(const void *); 19 extern sd_bus *bus; 20 extern const ipmi::sensor::IdInfoMap sensors; 21 using namespace phosphor::logging; 22 using InternalFailure = 23 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 24 25 void register_netfn_sen_functions() __attribute__((constructor)); 26 27 struct sensorTypemap_t { 28 uint8_t number; 29 uint8_t typecode; 30 char dbusname[32]; 31 } ; 32 33 sensorTypemap_t g_SensorTypeMap[] = { 34 35 {0x01, 0x6F, "Temp"}, 36 {0x0C, 0x6F, "DIMM"}, 37 {0x0C, 0x6F, "MEMORY_BUFFER"}, 38 {0x07, 0x6F, "PROC"}, 39 {0x07, 0x6F, "CORE"}, 40 {0x07, 0x6F, "CPU"}, 41 {0x0F, 0x6F, "BootProgress"}, 42 {0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor type code os 0x09 43 {0xC3, 0x6F, "BootCount"}, 44 {0x1F, 0x6F, "OperatingSystemStatus"}, 45 {0x12, 0x6F, "SYSTEM_EVENT"}, 46 {0xC7, 0x03, "SYSTEM"}, 47 {0xC7, 0x03, "MAIN_PLANAR"}, 48 {0xC2, 0x6F, "PowerCap"}, 49 {0xD8, 0x03, "PowerSupplyRedundancy"}, 50 {0xDA, 0x03, "TurboAllowed"}, 51 {0xB4, 0x6F, "PowerSupplyDerating"}, 52 {0xFF, 0x00, ""}, 53 }; 54 55 56 struct sensor_data_t { 57 uint8_t sennum; 58 } __attribute__ ((packed)) ; 59 60 struct sensorreadingresp_t { 61 uint8_t value; 62 uint8_t operation; 63 uint8_t indication[2]; 64 } __attribute__ ((packed)) ; 65 66 // Use a lookup table to find the interface name of a specific sensor 67 // This will be used until an alternative is found. this is the first 68 // step for mapping IPMI 69 int find_interface_property_fru_type(dbus_interface_t *interface, const char *property_name, char *property_value) { 70 71 char *str1; 72 sd_bus_error error = SD_BUS_ERROR_NULL; 73 sd_bus_message *reply = NULL, *m=NULL; 74 75 76 int r; 77 78 r = sd_bus_message_new_method_call(bus,&m,interface->bus,interface->path,"org.freedesktop.DBus.Properties","Get"); 79 if (r < 0) { 80 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 81 fprintf(stderr,"Bus: %s Path: %s Interface: %s \n", 82 interface->bus, interface->path, interface->interface); 83 goto final; 84 } 85 86 r = sd_bus_message_append(m, "ss", "org.openbmc.InventoryItem", property_name); 87 if (r < 0) { 88 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 89 fprintf(stderr,"Bus: %s Path: %s Interface: %s \n", 90 interface->bus, interface->path, interface->interface); 91 goto final; 92 } 93 94 r = sd_bus_call(bus, m, 0, &error, &reply); 95 if (r < 0) { 96 fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 97 goto final; 98 } 99 100 r = sd_bus_message_read(reply, "v", "s", &str1) ; 101 if (r < 0) { 102 fprintf(stderr, "Failed to get a response: %s", strerror(-r)); 103 goto final; 104 } 105 106 strcpy(property_value, str1); 107 108 final: 109 110 sd_bus_error_free(&error); 111 m = sd_bus_message_unref(m); 112 reply = sd_bus_message_unref(reply); 113 114 return r; 115 } 116 117 int get_bus_for_path(const char *path, char **busname) { 118 return mapper_get_service(bus, path, busname); 119 } 120 121 int legacy_dbus_openbmc_path(const char *type, const uint8_t num, dbus_interface_t *interface) { 122 char *busname = NULL; 123 const char *iface = "org.openbmc.managers.System"; 124 const char *objname = "/org/openbmc/managers/System"; 125 char *str1 = NULL, *str2, *str3; 126 sd_bus_error error = SD_BUS_ERROR_NULL; 127 sd_bus_message *reply = NULL; 128 129 130 int r; 131 r = get_bus_for_path(objname, &busname); 132 if (r < 0) { 133 fprintf(stderr, "Failed to get %s busname: %s\n", 134 objname, strerror(-r)); 135 goto final; 136 } 137 138 r = sd_bus_call_method(bus,busname,objname,iface, "getObjectFromByteId", 139 &error, &reply, "sy", type, num); 140 if (r < 0) { 141 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 142 goto final; 143 } 144 145 r = sd_bus_message_read(reply, "(ss)", &str2, &str3); 146 if (r < 0) { 147 fprintf(stderr, "Failed to get a response: %s", strerror(-r)); 148 goto final; 149 } 150 151 r = get_bus_for_path(str2, &str1); 152 if (r < 0) { 153 fprintf(stderr, "Failed to get %s busname: %s\n", 154 str2, strerror(-r)); 155 goto final; 156 } 157 158 strncpy(interface->bus, str1, MAX_DBUS_PATH); 159 strncpy(interface->path, str2, MAX_DBUS_PATH); 160 strncpy(interface->interface, str3, MAX_DBUS_PATH); 161 162 interface->sensornumber = num; 163 // Make sure we know that the type hasn't been set, as newer codebase will 164 // set it automatically from the YAML at this step. 165 interface->sensortype = 0; 166 167 final: 168 169 sd_bus_error_free(&error); 170 reply = sd_bus_message_unref(reply); 171 free(busname); 172 free(str1); 173 174 return r; 175 } 176 177 // Use a lookup table to find the interface name of a specific sensor 178 // This will be used until an alternative is found. this is the first 179 // step for mapping IPMI 180 int find_openbmc_path(uint8_t num, dbus_interface_t *interface) { 181 int rc; 182 183 // When the sensor map does not contain the sensor requested, 184 // fall back to the legacy DBus lookup (deprecated) 185 const auto& sensor_it = sensors.find(num); 186 if (sensor_it == sensors.end()) 187 { 188 return legacy_dbus_openbmc_path("SENSOR", num, interface); 189 } 190 191 const auto& info = sensor_it->second; 192 193 char* busname = nullptr; 194 rc = get_bus_for_path(info.sensorPath.c_str(), &busname); 195 if (rc < 0) { 196 fprintf(stderr, "Failed to get %s busname: %s\n", 197 info.sensorPath.c_str(), 198 busname); 199 goto final; 200 } 201 202 interface->sensortype = info.sensorType; 203 strcpy(interface->bus, busname); 204 strcpy(interface->path, info.sensorPath.c_str()); 205 // Take the interface name from the beginning of the DbusInterfaceMap. This 206 // works for the Value interface but may not suffice for more complex 207 // sensors. 208 // tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103 209 strcpy(interface->interface, info.sensorInterfaces.begin()->first.c_str()); 210 interface->sensornumber = num; 211 212 final: 213 free(busname); 214 return rc; 215 } 216 217 218 ///////////////////////////////////////////////////////////////////// 219 // 220 // Routines used by ipmi commands wanting to interact on the dbus 221 // 222 ///////////////////////////////////////////////////////////////////// 223 int set_sensor_dbus_state_s(uint8_t number, const char *method, const char *value) { 224 225 226 dbus_interface_t a; 227 int r; 228 sd_bus_error error = SD_BUS_ERROR_NULL; 229 sd_bus_message *m=NULL; 230 231 fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of %s\n", 232 number, method, value); 233 234 r = find_openbmc_path(number, &a); 235 236 if (r < 0) { 237 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 238 return 0; 239 } 240 241 r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method); 242 if (r < 0) { 243 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 244 goto final; 245 } 246 247 r = sd_bus_message_append(m, "v", "s", value); 248 if (r < 0) { 249 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 250 goto final; 251 } 252 253 254 r = sd_bus_call(bus, m, 0, &error, NULL); 255 if (r < 0) { 256 fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 257 } 258 259 final: 260 sd_bus_error_free(&error); 261 m = sd_bus_message_unref(m); 262 263 return 0; 264 } 265 int set_sensor_dbus_state_y(uint8_t number, const char *method, const uint8_t value) { 266 267 268 dbus_interface_t a; 269 int r; 270 sd_bus_error error = SD_BUS_ERROR_NULL; 271 sd_bus_message *m=NULL; 272 273 fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of 0x%02x\n", 274 number, method, value); 275 276 r = find_openbmc_path(number, &a); 277 278 if (r < 0) { 279 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 280 return 0; 281 } 282 283 r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method); 284 if (r < 0) { 285 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 286 goto final; 287 } 288 289 r = sd_bus_message_append(m, "v", "i", value); 290 if (r < 0) { 291 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 292 goto final; 293 } 294 295 296 r = sd_bus_call(bus, m, 0, &error, NULL); 297 if (r < 0) { 298 fprintf(stderr, "12 Failed to call the method: %s", strerror(-r)); 299 } 300 301 final: 302 sd_bus_error_free(&error); 303 m = sd_bus_message_unref(m); 304 305 return 0; 306 } 307 308 uint8_t dbus_to_sensor_type(char *p) { 309 310 sensorTypemap_t *s = g_SensorTypeMap; 311 char r=0; 312 313 while (s->number != 0xFF) { 314 if (!strcmp(s->dbusname,p)) { 315 r = s->number; 316 break; 317 } 318 s++; 319 } 320 321 322 if (s->number == 0xFF) 323 printf("Failed to find Sensor Type %s\n", p); 324 325 return r; 326 } 327 328 329 uint8_t dbus_to_sensor_type_from_dbus(dbus_interface_t *a) { 330 char fru_type_name[64]; 331 int r= 0; 332 333 r = find_interface_property_fru_type(a, "fru_type", fru_type_name); 334 if (r<0) { 335 fprintf(stderr, "Failed to get a fru type: %s", strerror(-r)); 336 return -1; 337 } else { 338 return dbus_to_sensor_type(fru_type_name); 339 } 340 } 341 342 uint8_t get_type_from_interface(dbus_interface_t dbus_if) { 343 344 char *p; 345 uint8_t type; 346 347 // This is where sensors that do not exist in dbus but do 348 // exist in the host code stop. This should indicate it 349 // is not a supported sensor 350 if (dbus_if.interface[0] == 0) { return 0;} 351 352 // Fetch type from interface itself. 353 if (dbus_if.sensortype != 0) 354 { 355 type = dbus_if.sensortype; 356 } 357 // Legacy codebase does not populate type during initial handling: 358 else if (strstr(dbus_if.interface, "InventoryItem")) { 359 // InventoryItems are real frus. So need to get the 360 // fru_type property 361 type = dbus_to_sensor_type_from_dbus(&dbus_if); 362 } else { 363 // Non InventoryItems 364 p = strrchr (dbus_if.path, '/'); 365 type = dbus_to_sensor_type(p+1); 366 } 367 368 return type; 369 } 370 371 // Replaces find_sensor 372 uint8_t find_type_for_sensor_number(uint8_t num) { 373 int r; 374 dbus_interface_t dbus_if; 375 r = find_openbmc_path(num, &dbus_if); 376 if (r < 0) { 377 fprintf(stderr, "Could not find sensor %d\n", num); 378 return r; 379 } 380 return get_type_from_interface(dbus_if); 381 } 382 383 384 385 386 387 ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 388 ipmi_request_t request, ipmi_response_t response, 389 ipmi_data_len_t data_len, ipmi_context_t context) 390 { 391 sensor_data_t *reqptr = (sensor_data_t*)request; 392 ipmi_ret_t rc = IPMI_CC_OK; 393 394 printf("IPMI GET_SENSOR_TYPE [0x%02X]\n",reqptr->sennum); 395 396 // TODO Not sure what the System-event-sensor is suppose to return 397 // need to ask Hostboot team 398 unsigned char buf[] = {0x00,0x6F}; 399 400 buf[0] = find_type_for_sensor_number(reqptr->sennum); 401 402 // HACK UNTIL Dbus gets updated or we find a better way 403 if (buf[0] == 0) { 404 rc = IPMI_CC_SENSOR_INVALID; 405 } 406 407 408 *data_len = sizeof(buf); 409 memcpy(response, &buf, *data_len); 410 411 return rc; 412 } 413 414 ipmi_ret_t setSensorReading(void *request) 415 { 416 SetSensorReadingReq cmdData = 417 *(static_cast<SetSensorReadingReq *>(request)); 418 419 // Check if the Sensor Number is present 420 const auto iter = sensors.find(cmdData.number); 421 if (iter == sensors.end()) 422 { 423 return IPMI_CC_SENSOR_INVALID; 424 } 425 426 try 427 { 428 return iter->second.updateFunc(cmdData, iter->second); 429 } 430 catch (InternalFailure& e) 431 { 432 log<level::ERR>("Set sensor failed", 433 entry("SENSOR_NUM=%d", cmdData.number)); 434 commit<InternalFailure>(); 435 } 436 437 return IPMI_CC_UNSPECIFIED_ERROR; 438 } 439 440 ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 441 ipmi_request_t request, ipmi_response_t response, 442 ipmi_data_len_t data_len, ipmi_context_t context) 443 { 444 sensor_data_t *reqptr = (sensor_data_t*)request; 445 446 printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum); 447 448 /* 449 * This would support the Set Sensor Reading command for the presence 450 * and functional state of Processor, Core & DIMM. For the remaining 451 * sensors the existing support is invoked. 452 */ 453 auto ipmiRC = setSensorReading(request); 454 455 if(ipmiRC == IPMI_CC_SENSOR_INVALID) 456 { 457 updateSensorRecordFromSSRAESC(reqptr); 458 ipmiRC = IPMI_CC_OK; 459 } 460 461 *data_len=0; 462 return ipmiRC; 463 } 464 465 466 ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 467 ipmi_request_t request, ipmi_response_t response, 468 ipmi_data_len_t data_len, ipmi_context_t context) 469 { 470 sensor_data_t *reqptr = (sensor_data_t*)request; 471 ipmi_ret_t rc = IPMI_CC_SENSOR_INVALID; 472 uint8_t type; 473 sensorreadingresp_t *resp = (sensorreadingresp_t*) response; 474 int r; 475 dbus_interface_t a; 476 sd_bus *bus = ipmid_get_sd_bus_connection(); 477 sd_bus_message *reply = NULL; 478 int reading = 0; 479 480 481 printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum); 482 483 r = find_openbmc_path(reqptr->sennum, &a); 484 485 if (r < 0) { 486 fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum); 487 return IPMI_CC_SENSOR_INVALID; 488 } 489 490 type = get_type_from_interface(a); 491 if(type == 0) { 492 fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum); 493 return IPMI_CC_SENSOR_INVALID; 494 } 495 496 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface); 497 498 *data_len=0; 499 500 int64_t raw_value; 501 ipmi::sensor::Info sensor; 502 503 switch(type) { 504 case 0xC3: 505 case 0xC2: 506 r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "i"); 507 if (r < 0) { 508 fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r)); 509 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", 510 a.bus, a.path, a.interface); 511 break; 512 } 513 514 r = sd_bus_message_read(reply, "i", &reading); 515 if (r < 0) { 516 fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r)); 517 break; 518 } 519 520 printf("Contents of a 0x%02x is 0x%02x\n", type, reading); 521 522 rc = IPMI_CC_OK; 523 *data_len=sizeof(sensorreadingresp_t); 524 525 resp->value = (uint8_t)reading; 526 resp->operation = 0; 527 resp->indication[0] = 0; 528 resp->indication[1] = 0; 529 break; 530 531 case IPMI_SENSOR_TEMP: 532 case IPMI_SENSOR_VOLTAGE: 533 case IPMI_SENSOR_CURRENT: 534 case IPMI_SENSOR_FAN: 535 // Get reading for /xyz/openbmc_project/Sensor/Value.interface 536 if(sensors.find(reqptr->sennum) == sensors.end()) 537 { 538 fprintf(stderr, "Failed to find config entry for Sensor 0x%02x\n", 539 reqptr->sennum); 540 return IPMI_CC_SENSOR_INVALID; 541 } 542 543 sensor = sensors.at(reqptr->sennum); 544 545 // Get value 546 r = sd_bus_get_property_trivial(bus, 547 a.bus, 548 a.path, 549 a.interface, 550 "Value", 551 NULL, 552 'x', 553 &raw_value); 554 if (r < 0) { 555 fprintf(stderr, 556 "Failed to call sd_bus_get_property:%d, %s, 'value'\n", 557 r, 558 strerror(-r)); 559 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", 560 a.bus, a.path, a.interface); 561 break; 562 } 563 564 // Prevent div0 565 if (sensor.coefficientM == 0) { 566 sensor.coefficientM = 1; 567 }; 568 569 resp->value = static_cast<uint8_t>( 570 (raw_value - sensor.scaledOffset) / sensor.coefficientM); 571 resp->operation = 1<<6; // scanning enabled 572 resp->indication[0] = 0; // not a threshold sensor. ignore 573 resp->indication[1] = 0; 574 rc = IPMI_CC_OK; 575 *data_len=sizeof(sensorreadingresp_t); 576 break; 577 578 default: 579 *data_len=0; 580 rc = IPMI_CC_SENSOR_INVALID; 581 break; 582 } 583 584 585 reply = sd_bus_message_unref(reply); 586 587 return rc; 588 } 589 590 ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 591 ipmi_request_t request, ipmi_response_t response, 592 ipmi_data_len_t data_len, ipmi_context_t context) 593 { 594 ipmi_ret_t rc = IPMI_CC_INVALID; 595 596 printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n",netfn,cmd); 597 *data_len = 0; 598 599 return rc; 600 } 601 602 ipmi_ret_t ipmi_sen_get_sdr_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 603 ipmi_request_t request, 604 ipmi_response_t response, 605 ipmi_data_len_t data_len, 606 ipmi_context_t context) 607 { 608 auto resp = static_cast<get_sdr_info::GetSdrInfoResp*>(response); 609 if (request == nullptr || 610 get_sdr_info::request::get_count(request) == false) 611 { 612 // Get Sensor Count 613 resp->count = sensors.size(); 614 } 615 else 616 { 617 resp->count = 1; 618 } 619 620 // Multiple LUNs not supported. 621 namespace response = get_sdr_info::response; 622 response::set_lun_present(0, &(resp->luns_and_dynamic_population)); 623 response::set_lun_not_present(1, &(resp->luns_and_dynamic_population)); 624 response::set_lun_not_present(2, &(resp->luns_and_dynamic_population)); 625 response::set_lun_not_present(3, &(resp->luns_and_dynamic_population)); 626 response::set_static_population(&(resp->luns_and_dynamic_population)); 627 628 *data_len = SDR_INFO_RESP_SIZE; 629 630 return IPMI_CC_OK; 631 } 632 633 ipmi_ret_t ipmi_sen_reserve_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 634 ipmi_request_t request, 635 ipmi_response_t response, 636 ipmi_data_len_t data_len, 637 ipmi_context_t context) 638 { 639 // A constant reservation ID is okay until we implement add/remove SDR. 640 const uint16_t reservation_id = 1; 641 *(uint16_t*)response = reservation_id; 642 643 printf("Created new IPMI SDR reservation ID %d\n", *(uint16_t*)response); 644 return IPMI_CC_OK; 645 } 646 647 ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody *body, 648 const ipmi::sensor::Info *info, 649 ipmi_data_len_t data_len) 650 { 651 /* Functional sensor case */ 652 if (info->sensorInterfaces.begin()->first == 653 "xyz.openbmc_project.Sensor.Value") 654 { 655 // Get bus 656 sd_bus *bus = ipmid_get_sd_bus_connection(); 657 dbus_interface_t iface; 658 659 if (0 > find_openbmc_path(body->entity_id, &iface)) 660 return IPMI_CC_SENSOR_INVALID; 661 662 body->sensor_units_1 = 0; // unsigned, no rate, no modifier, not a % 663 664 /* Unit info */ 665 char *raw_cstr; 666 if (0 > sd_bus_get_property_string(bus, iface.bus, iface.path, 667 iface.interface, "Unit", NULL, 668 &raw_cstr)) { 669 fprintf(stderr, "Expected to find Unit interface in bus %s, path %s, but it was missing.\n", 670 iface.bus, iface.path); 671 return IPMI_CC_SENSOR_INVALID; 672 } 673 674 std::string raw_str(raw_cstr); 675 namespace server = sdbusplus::xyz::openbmc_project::Sensor::server; 676 server::Value::Unit unit = 677 server::Value::convertUnitFromString(raw_str); 678 679 // Unit strings defined in 680 // phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml 681 switch (unit) 682 { 683 case server::Value::Unit::DegreesC: 684 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C; 685 break; 686 case server::Value::Unit::RPMS: 687 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_REVOLUTIONS; // revolutions 688 get_sdr::body::set_rate_unit(0b100, body); // per minute 689 break; 690 case server::Value::Unit::Volts: 691 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS; 692 break; 693 case server::Value::Unit::Meters: 694 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS; 695 break; 696 case server::Value::Unit::Amperes: 697 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES; 698 break; 699 case server::Value::Unit::Joules: 700 body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES; 701 break; 702 default: 703 fprintf(stderr, "Unknown value unit type: = %s\n", raw_cstr); 704 } 705 706 free(raw_cstr); 707 708 /* Modifiers to reading info */ 709 // Get scale 710 int64_t scale; 711 if (0 > sd_bus_get_property_trivial(bus, 712 iface.bus, 713 iface.path, 714 iface.interface, 715 "Scale", 716 NULL, 717 'x', 718 &scale)) { 719 fprintf(stderr, "Expected to find Scale interface in bus %s, path %s, but it was missing.\n", 720 iface.bus, iface.path); 721 return IPMI_CC_SENSOR_INVALID; 722 } 723 724 get_sdr::body::set_b(info->coefficientB, body); 725 get_sdr::body::set_m(info->coefficientM, body); 726 get_sdr::body::set_b_exp(info->exponentB, body); 727 get_sdr::body::set_r_exp(scale, body); 728 729 /* ID string */ 730 std::string id_string = info->sensorPath.substr( 731 info->sensorPath.find_last_of('/')+1, info->sensorPath.length()); 732 get_sdr::body::set_id_type(0b00, body); // 00 = unicode 733 if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH) 734 { 735 get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body); 736 } 737 else 738 { 739 get_sdr::body::set_id_strlen(id_string.length(), body); 740 } 741 strncpy(body->id_string, id_string.c_str(), 742 get_sdr::body::get_id_strlen(body)); 743 } 744 745 return IPMI_CC_OK; 746 }; 747 748 ipmi_ret_t ipmi_sen_get_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 749 ipmi_request_t request, ipmi_response_t response, 750 ipmi_data_len_t data_len, ipmi_context_t context) 751 { 752 ipmi_ret_t ret = IPMI_CC_OK; 753 get_sdr::GetSdrReq *req = (get_sdr::GetSdrReq*)request; 754 get_sdr::GetSdrResp *resp = (get_sdr::GetSdrResp*)response; 755 get_sdr::SensorDataFullRecord record = {0}; 756 if (req != NULL) 757 { 758 // Note: we use an iterator so we can provide the next ID at the end of 759 // the call. 760 auto sensor = sensors.begin(); 761 762 // At the beginning of a scan, the host side will send us id=0. 763 if (get_sdr::request::get_record_id(req) != 0) 764 { 765 sensor = sensors.find(get_sdr::request::get_record_id(req)); 766 if(sensor == sensors.end()) { 767 return IPMI_CC_SENSOR_INVALID; 768 } 769 } 770 771 uint8_t sensor_id = sensor->first; 772 773 /* Header */ 774 get_sdr::header::set_record_id(sensor_id, &(record.header)); 775 record.header.sdr_version = 0x51; // Based on IPMI Spec v2.0 rev 1.1 776 record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD; 777 record.header.record_length = sizeof(get_sdr::SensorDataFullRecord); 778 779 /* Key */ 780 record.key.sensor_number = sensor_id; 781 782 /* Body */ 783 record.body.entity_id = sensor_id; 784 record.body.sensor_type = sensor->second.sensorType; 785 record.body.event_reading_type = sensor->second.sensorReadingType; 786 787 // Set the type-specific details given the DBus interface 788 ret = populate_record_from_dbus(&(record.body), &(sensor->second), 789 data_len); 790 791 if (++sensor == sensors.end()) 792 { 793 get_sdr::response::set_next_record_id(0xFFFF, resp); // last record 794 } 795 else 796 { 797 get_sdr::response::set_next_record_id(sensor->first, resp); 798 } 799 800 *data_len = sizeof(get_sdr::GetSdrResp) - req->offset; 801 memcpy(resp->record_data, (char*)&record + req->offset, 802 sizeof(get_sdr::SensorDataFullRecord) - req->offset); 803 } 804 805 return ret; 806 } 807 808 809 void register_netfn_sen_functions() 810 { 811 // <Wildcard Command> 812 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", 813 NETFUN_SENSOR, IPMI_CMD_WILDCARD); 814 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD, 815 nullptr, ipmi_sen_wildcard, 816 PRIVILEGE_USER); 817 818 // <Get Sensor Type> 819 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", 820 NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE); 821 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE, 822 nullptr, ipmi_sen_get_sensor_type, 823 PRIVILEGE_USER); 824 825 // <Set Sensor Reading and Event Status> 826 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", 827 NETFUN_SENSOR, IPMI_CMD_SET_SENSOR); 828 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR, 829 nullptr, ipmi_sen_set_sensor, 830 PRIVILEGE_OPERATOR); 831 832 // <Get Sensor Reading> 833 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", 834 NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING); 835 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING, 836 nullptr, ipmi_sen_get_sensor_reading, 837 PRIVILEGE_USER); 838 839 // <Reserve SDR> 840 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", 841 NETFUN_SENSOR, IPMI_CMD_RESERVE_SDR_REPO); 842 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_RESERVE_SDR_REPO, 843 nullptr, ipmi_sen_reserve_sdr, 844 PRIVILEGE_USER); 845 846 // <Get SDR Info> 847 printf("Registering NetFn:[0x%X], Cmd:[0x%x]\n", 848 NETFUN_SENSOR, IPMI_CMD_GET_SDR_INFO); 849 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SDR_INFO, 850 nullptr, ipmi_sen_get_sdr_info, 851 PRIVILEGE_USER); 852 853 // <Get SDR> 854 printf("Registering NetFn:[0x%X], Cmd:[0x%x]\n", 855 NETFUN_SENSOR, IPMI_CMD_GET_SDR); 856 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SDR, 857 nullptr, ipmi_sen_get_sdr, 858 PRIVILEGE_USER); 859 860 return; 861 } 862