1 #include <mapper.h> 2 #include <math.h> 3 #include <stdio.h> 4 #include <string.h> 5 #include <bitset> 6 #include <systemd/sd-bus.h> 7 #include "host-ipmid/ipmid-api.h" 8 #include <phosphor-logging/log.hpp> 9 #include "ipmid.hpp" 10 #include "sensorhandler.h" 11 #include "types.hpp" 12 #include "utils.hpp" 13 14 extern int updateSensorRecordFromSSRAESC(const void *); 15 extern sd_bus *bus; 16 extern const ipmi::sensor::IdInfoMap sensors; 17 using namespace phosphor::logging; 18 19 void register_netfn_sen_functions() __attribute__((constructor)); 20 21 struct sensorTypemap_t { 22 uint8_t number; 23 uint8_t typecode; 24 char dbusname[32]; 25 } ; 26 27 28 sensorTypemap_t g_SensorTypeMap[] = { 29 30 {0x01, 0x6F, "Temp"}, 31 {0x0C, 0x6F, "DIMM"}, 32 {0x0C, 0x6F, "MEMORY_BUFFER"}, 33 {0x07, 0x6F, "PROC"}, 34 {0x07, 0x6F, "CORE"}, 35 {0x07, 0x6F, "CPU"}, 36 {0x0F, 0x6F, "BootProgress"}, 37 {0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor type code os 0x09 38 {0xC3, 0x6F, "BootCount"}, 39 {0x1F, 0x6F, "OperatingSystemStatus"}, 40 {0x12, 0x6F, "SYSTEM_EVENT"}, 41 {0xC7, 0x03, "SYSTEM"}, 42 {0xC7, 0x03, "MAIN_PLANAR"}, 43 {0xC2, 0x6F, "PowerCap"}, 44 {0xD8, 0x03, "PowerSupplyRedundancy"}, 45 {0xDA, 0x03, "TurboAllowed"}, 46 {0xB4, 0x6F, "PowerSupplyDerating"}, 47 {0xFF, 0x00, ""}, 48 }; 49 50 51 struct sensor_data_t { 52 uint8_t sennum; 53 } __attribute__ ((packed)) ; 54 55 struct sensorreadingresp_t { 56 uint8_t value; 57 uint8_t operation; 58 uint8_t indication[2]; 59 } __attribute__ ((packed)) ; 60 61 // Use a lookup table to find the interface name of a specific sensor 62 // This will be used until an alternative is found. this is the first 63 // step for mapping IPMI 64 int find_interface_property_fru_type(dbus_interface_t *interface, const char *property_name, char *property_value) { 65 66 char *str1; 67 sd_bus_error error = SD_BUS_ERROR_NULL; 68 sd_bus_message *reply = NULL, *m=NULL; 69 70 71 int r; 72 73 r = sd_bus_message_new_method_call(bus,&m,interface->bus,interface->path,"org.freedesktop.DBus.Properties","Get"); 74 if (r < 0) { 75 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 76 fprintf(stderr,"Bus: %s Path: %s Interface: %s \n", 77 interface->bus, interface->path, interface->interface); 78 goto final; 79 } 80 81 r = sd_bus_message_append(m, "ss", "org.openbmc.InventoryItem", property_name); 82 if (r < 0) { 83 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 84 fprintf(stderr,"Bus: %s Path: %s Interface: %s \n", 85 interface->bus, interface->path, interface->interface); 86 goto final; 87 } 88 89 r = sd_bus_call(bus, m, 0, &error, &reply); 90 if (r < 0) { 91 fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 92 goto final; 93 } 94 95 r = sd_bus_message_read(reply, "v", "s", &str1) ; 96 if (r < 0) { 97 fprintf(stderr, "Failed to get a response: %s", strerror(-r)); 98 goto final; 99 } 100 101 strcpy(property_value, str1); 102 103 final: 104 105 sd_bus_error_free(&error); 106 m = sd_bus_message_unref(m); 107 reply = sd_bus_message_unref(reply); 108 109 return r; 110 } 111 112 int get_bus_for_path(const char *path, char **busname) { 113 return mapper_get_service(bus, path, busname); 114 } 115 116 int legacy_dbus_openbmc_path(const char *type, const uint8_t num, dbus_interface_t *interface) { 117 char *busname = NULL; 118 const char *iface = "org.openbmc.managers.System"; 119 const char *objname = "/org/openbmc/managers/System"; 120 char *str1 = NULL, *str2, *str3; 121 sd_bus_error error = SD_BUS_ERROR_NULL; 122 sd_bus_message *reply = NULL; 123 124 125 int r; 126 r = get_bus_for_path(objname, &busname); 127 if (r < 0) { 128 fprintf(stderr, "Failed to get %s busname: %s\n", 129 objname, strerror(-r)); 130 goto final; 131 } 132 133 r = sd_bus_call_method(bus,busname,objname,iface, "getObjectFromByteId", 134 &error, &reply, "sy", type, num); 135 if (r < 0) { 136 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 137 goto final; 138 } 139 140 r = sd_bus_message_read(reply, "(ss)", &str2, &str3); 141 if (r < 0) { 142 fprintf(stderr, "Failed to get a response: %s", strerror(-r)); 143 goto final; 144 } 145 146 r = get_bus_for_path(str2, &str1); 147 if (r < 0) { 148 fprintf(stderr, "Failed to get %s busname: %s\n", 149 str2, strerror(-r)); 150 goto final; 151 } 152 153 strncpy(interface->bus, str1, MAX_DBUS_PATH); 154 strncpy(interface->path, str2, MAX_DBUS_PATH); 155 strncpy(interface->interface, str3, MAX_DBUS_PATH); 156 157 interface->sensornumber = num; 158 // Make sure we know that the type hasn't been set, as newer codebase will 159 // set it automatically from the YAML at this step. 160 interface->sensortype = 0; 161 162 final: 163 164 sd_bus_error_free(&error); 165 reply = sd_bus_message_unref(reply); 166 free(busname); 167 free(str1); 168 169 return r; 170 } 171 172 // Use a lookup table to find the interface name of a specific sensor 173 // This will be used until an alternative is found. this is the first 174 // step for mapping IPMI 175 int find_openbmc_path(uint8_t num, dbus_interface_t *interface) { 176 int rc; 177 178 // When the sensor map does not contain the sensor requested, 179 // fall back to the legacy DBus lookup (deprecated) 180 const auto& sensor_it = sensors.find(num); 181 if (sensor_it == sensors.end()) 182 { 183 return legacy_dbus_openbmc_path("SENSOR", num, interface); 184 } 185 186 const auto& info = sensor_it->second; 187 188 char* busname; 189 rc = get_bus_for_path(info.sensorPath.c_str(), &busname); 190 if (rc < 0) { 191 fprintf(stderr, "Failed to get %s busname: %s\n", 192 info.sensorPath.c_str(), 193 busname); 194 goto final; 195 } 196 197 interface->sensortype = info.sensorType; 198 strcpy(interface->bus, busname); 199 strcpy(interface->path, info.sensorPath.c_str()); 200 // Take the interface name from the beginning of the DbusInterfaceMap. This 201 // works for the Value interface but may not suffice for more complex 202 // sensors. 203 // tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103 204 strcpy(interface->interface, info.sensorInterfaces.begin()->first.c_str()); 205 interface->sensornumber = num; 206 207 final: 208 free(busname); 209 return rc; 210 } 211 212 213 ///////////////////////////////////////////////////////////////////// 214 // 215 // Routines used by ipmi commands wanting to interact on the dbus 216 // 217 ///////////////////////////////////////////////////////////////////// 218 int set_sensor_dbus_state_s(uint8_t number, const char *method, const char *value) { 219 220 221 dbus_interface_t a; 222 int r; 223 sd_bus_error error = SD_BUS_ERROR_NULL; 224 sd_bus_message *m=NULL; 225 226 fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of %s\n", 227 number, method, value); 228 229 r = find_openbmc_path(number, &a); 230 231 if (r < 0) { 232 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 233 return 0; 234 } 235 236 r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method); 237 if (r < 0) { 238 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 239 goto final; 240 } 241 242 r = sd_bus_message_append(m, "v", "s", value); 243 if (r < 0) { 244 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 245 goto final; 246 } 247 248 249 r = sd_bus_call(bus, m, 0, &error, NULL); 250 if (r < 0) { 251 fprintf(stderr, "Failed to call the method: %s", strerror(-r)); 252 } 253 254 final: 255 sd_bus_error_free(&error); 256 m = sd_bus_message_unref(m); 257 258 return 0; 259 } 260 int set_sensor_dbus_state_y(uint8_t number, const char *method, const uint8_t value) { 261 262 263 dbus_interface_t a; 264 int r; 265 sd_bus_error error = SD_BUS_ERROR_NULL; 266 sd_bus_message *m=NULL; 267 268 fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of 0x%02x\n", 269 number, method, value); 270 271 r = find_openbmc_path(number, &a); 272 273 if (r < 0) { 274 fprintf(stderr, "Failed to find Sensor 0x%02x\n", number); 275 return 0; 276 } 277 278 r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method); 279 if (r < 0) { 280 fprintf(stderr, "Failed to create a method call: %s", strerror(-r)); 281 goto final; 282 } 283 284 r = sd_bus_message_append(m, "v", "i", value); 285 if (r < 0) { 286 fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r)); 287 goto final; 288 } 289 290 291 r = sd_bus_call(bus, m, 0, &error, NULL); 292 if (r < 0) { 293 fprintf(stderr, "12 Failed to call the method: %s", strerror(-r)); 294 } 295 296 final: 297 sd_bus_error_free(&error); 298 m = sd_bus_message_unref(m); 299 300 return 0; 301 } 302 303 uint8_t dbus_to_sensor_type(char *p) { 304 305 sensorTypemap_t *s = g_SensorTypeMap; 306 char r=0; 307 308 while (s->number != 0xFF) { 309 if (!strcmp(s->dbusname,p)) { 310 r = s->number; 311 break; 312 } 313 s++; 314 } 315 316 317 if (s->number == 0xFF) 318 printf("Failed to find Sensor Type %s\n", p); 319 320 return r; 321 } 322 323 324 uint8_t dbus_to_sensor_type_from_dbus(dbus_interface_t *a) { 325 char fru_type_name[64]; 326 int r= 0; 327 328 r = find_interface_property_fru_type(a, "fru_type", fru_type_name); 329 if (r<0) { 330 fprintf(stderr, "Failed to get a fru type: %s", strerror(-r)); 331 return -1; 332 } else { 333 return dbus_to_sensor_type(fru_type_name); 334 } 335 } 336 337 uint8_t get_type_from_interface(dbus_interface_t dbus_if) { 338 339 char *p; 340 uint8_t type; 341 342 // This is where sensors that do not exist in dbus but do 343 // exist in the host code stop. This should indicate it 344 // is not a supported sensor 345 if (dbus_if.interface[0] == 0) { return 0;} 346 347 // Fetch type from interface itself. 348 if (dbus_if.sensortype != 0) 349 { 350 type = dbus_if.sensortype; 351 } 352 // Legacy codebase does not populate type during initial handling: 353 else if (strstr(dbus_if.interface, "InventoryItem")) { 354 // InventoryItems are real frus. So need to get the 355 // fru_type property 356 type = dbus_to_sensor_type_from_dbus(&dbus_if); 357 } else { 358 // Non InventoryItems 359 p = strrchr (dbus_if.path, '/'); 360 type = dbus_to_sensor_type(p+1); 361 } 362 363 return type; 364 } 365 366 // Replaces find_sensor 367 uint8_t find_type_for_sensor_number(uint8_t num) { 368 int r; 369 dbus_interface_t dbus_if; 370 r = find_openbmc_path(num, &dbus_if); 371 if (r < 0) { 372 fprintf(stderr, "Could not find sensor %d\n", num); 373 return r; 374 } 375 return get_type_from_interface(dbus_if); 376 } 377 378 379 380 381 382 ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 383 ipmi_request_t request, ipmi_response_t response, 384 ipmi_data_len_t data_len, ipmi_context_t context) 385 { 386 sensor_data_t *reqptr = (sensor_data_t*)request; 387 ipmi_ret_t rc = IPMI_CC_OK; 388 389 printf("IPMI GET_SENSOR_TYPE [0x%02X]\n",reqptr->sennum); 390 391 // TODO Not sure what the System-event-sensor is suppose to return 392 // need to ask Hostboot team 393 unsigned char buf[] = {0x00,0x6F}; 394 395 buf[0] = find_type_for_sensor_number(reqptr->sennum); 396 397 // HACK UNTIL Dbus gets updated or we find a better way 398 if (buf[0] == 0) { 399 rc = IPMI_CC_SENSOR_INVALID; 400 } 401 402 403 *data_len = sizeof(buf); 404 memcpy(response, &buf, *data_len); 405 406 return rc; 407 } 408 409 ipmi_ret_t setSensorReading(void *request) 410 { 411 auto cmdData = static_cast<SetSensorReadingReq *>(request); 412 413 auto assertionStates = 414 (static_cast<uint16_t>(cmdData->assertOffset8_14)) << 8 | 415 cmdData->assertOffset0_7; 416 417 auto deassertionStates = 418 (static_cast<uint16_t>(cmdData->deassertOffset8_14)) << 8 | 419 cmdData->deassertOffset0_7; 420 421 std::bitset<16> assertionSet(assertionStates); 422 std::bitset<16> deassertionSet(deassertionStates); 423 424 // Check if the Sensor Number is present 425 auto iter = sensors.find(cmdData->number); 426 if (iter == sensors.end()) 427 { 428 return IPMI_CC_SENSOR_INVALID; 429 } 430 431 auto& interfaceList = iter->second.sensorInterfaces; 432 if (interfaceList.empty()) 433 { 434 log<level::ERR>("Interface List empty for the sensor", 435 entry("Sensor Number = %d", cmdData->number)); 436 return IPMI_CC_UNSPECIFIED_ERROR; 437 } 438 439 ipmi::sensor::ObjectMap objects; 440 ipmi::sensor::InterfaceMap interfaces; 441 for (const auto& interface : interfaceList) 442 { 443 for (const auto& property : interface.second) 444 { 445 ipmi::sensor::PropertyMap props; 446 bool valid = false; 447 for (const auto& value : property.second) 448 { 449 if (assertionSet.test(value.first)) 450 { 451 props.emplace(property.first, value.second.assert); 452 valid = true; 453 } 454 else if (deassertionSet.test(value.first)) 455 { 456 props.emplace(property.first, value.second.deassert); 457 valid = true; 458 } 459 } 460 if (valid) 461 { 462 interfaces.emplace(interface.first, std::move(props)); 463 } 464 } 465 } 466 objects.emplace(iter->second.sensorPath, std::move(interfaces)); 467 468 sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; 469 using namespace std::string_literals; 470 static const auto intf = "xyz.openbmc_project.Inventory.Manager"s; 471 static const auto path = "/xyz/openbmc_project/inventory"s; 472 std::string service; 473 474 try 475 { 476 service = ipmi::getService(bus, intf, path); 477 478 // Update the inventory manager 479 auto pimMsg = bus.new_method_call(service.c_str(), 480 path.c_str(), 481 intf.c_str(), 482 "Notify"); 483 pimMsg.append(std::move(objects)); 484 auto inventoryMgrResponseMsg = bus.call(pimMsg); 485 if (inventoryMgrResponseMsg.is_method_error()) 486 { 487 log<level::ERR>("Error in notify call"); 488 return IPMI_CC_UNSPECIFIED_ERROR; 489 } 490 } 491 catch (const std::runtime_error& e) 492 { 493 log<level::ERR>(e.what()); 494 return IPMI_CC_UNSPECIFIED_ERROR; 495 } 496 497 return IPMI_CC_OK; 498 } 499 500 ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 501 ipmi_request_t request, ipmi_response_t response, 502 ipmi_data_len_t data_len, ipmi_context_t context) 503 { 504 sensor_data_t *reqptr = (sensor_data_t*)request; 505 506 printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum); 507 508 /* 509 * This would support the Set Sensor Reading command for the presence 510 * and functional state of Processor, Core & DIMM. For the remaining 511 * sensors the existing support is invoked. 512 */ 513 auto ipmiRC = setSensorReading(request); 514 515 if(ipmiRC == IPMI_CC_SENSOR_INVALID) 516 { 517 updateSensorRecordFromSSRAESC(reqptr); 518 ipmiRC = IPMI_CC_OK; 519 } 520 521 *data_len=0; 522 return ipmiRC; 523 } 524 525 526 ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 527 ipmi_request_t request, ipmi_response_t response, 528 ipmi_data_len_t data_len, ipmi_context_t context) 529 { 530 sensor_data_t *reqptr = (sensor_data_t*)request; 531 ipmi_ret_t rc = IPMI_CC_SENSOR_INVALID; 532 uint8_t type; 533 sensorreadingresp_t *resp = (sensorreadingresp_t*) response; 534 int r; 535 dbus_interface_t a; 536 sd_bus *bus = ipmid_get_sd_bus_connection(); 537 sd_bus_message *reply = NULL; 538 int reading = 0; 539 540 541 printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum); 542 543 r = find_openbmc_path(reqptr->sennum, &a); 544 545 if (r < 0) { 546 fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum); 547 return IPMI_CC_SENSOR_INVALID; 548 } 549 550 type = get_type_from_interface(a); 551 if(type == 0) { 552 fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum); 553 return IPMI_CC_SENSOR_INVALID; 554 } 555 556 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface); 557 558 *data_len=0; 559 560 int64_t raw_value, scale; 561 ipmi::sensor::Info sensor; 562 563 switch(type) { 564 case 0xC3: 565 case 0xC2: 566 r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "i"); 567 if (r < 0) { 568 fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r)); 569 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", 570 a.bus, a.path, a.interface); 571 break; 572 } 573 574 r = sd_bus_message_read(reply, "i", &reading); 575 if (r < 0) { 576 fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r)); 577 break; 578 } 579 580 printf("Contents of a 0x%02x is 0x%02x\n", type, reading); 581 582 rc = IPMI_CC_OK; 583 *data_len=sizeof(sensorreadingresp_t); 584 585 resp->value = (uint8_t)reading; 586 resp->operation = 0; 587 resp->indication[0] = 0; 588 resp->indication[1] = 0; 589 break; 590 591 case IPMI_SENSOR_TEMP: 592 case IPMI_SENSOR_VOLTAGE: 593 case IPMI_SENSOR_CURRENT: 594 case IPMI_SENSOR_FAN: 595 // Get reading for /xyz/openbmc_project/Sensor/Value.interface 596 597 // Get value 598 r = sd_bus_get_property_trivial(bus, 599 a.bus, 600 a.path, 601 a.interface, 602 "Value", 603 NULL, 604 'x', 605 &raw_value); 606 if (r < 0) { 607 fprintf(stderr, 608 "Failed to call sd_bus_get_property:%d, %s, 'value'\n", 609 r, 610 strerror(-r)); 611 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", 612 a.bus, a.path, a.interface); 613 break; 614 } 615 616 // Get scale 617 r = sd_bus_get_property_trivial(bus, 618 a.bus, 619 a.path, 620 a.interface, 621 "Scale", 622 NULL, 623 'x', 624 &scale); 625 if (r < 0) { 626 fprintf(stderr, 627 "Failed to call sd_bus_get_property:%d, %s (scale)\n", 628 r, 629 strerror(-r)); 630 fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", 631 a.bus, a.path, a.interface); 632 break; 633 } 634 635 resp->value = raw_value * pow(10,scale); 636 resp->operation = 0; 637 resp->indication[0] = 0; 638 resp->indication[1] = 0; 639 rc = IPMI_CC_OK; 640 *data_len=sizeof(sensorreadingresp_t); 641 break; 642 643 default: 644 *data_len=0; 645 rc = IPMI_CC_SENSOR_INVALID; 646 break; 647 } 648 649 650 reply = sd_bus_message_unref(reply); 651 652 return rc; 653 } 654 655 ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 656 ipmi_request_t request, ipmi_response_t response, 657 ipmi_data_len_t data_len, ipmi_context_t context) 658 { 659 ipmi_ret_t rc = IPMI_CC_INVALID; 660 661 printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n",netfn,cmd); 662 *data_len = 0; 663 664 return rc; 665 } 666 667 668 void register_netfn_sen_functions() 669 { 670 // <Wildcard Command> 671 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_WILDCARD); 672 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD, NULL, ipmi_sen_wildcard, 673 PRIVILEGE_USER); 674 675 // <Get Sensor Type> 676 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE); 677 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE, NULL, ipmi_sen_get_sensor_type, 678 PRIVILEGE_USER); 679 680 // <Set Sensor Reading and Event Status> 681 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_SET_SENSOR); 682 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR, NULL, ipmi_sen_set_sensor, 683 PRIVILEGE_OPERATOR); 684 685 // <Get Sensor Reading> 686 printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING); 687 ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING, NULL, 688 ipmi_sen_get_sensor_reading, PRIVILEGE_USER); 689 690 return; 691 } 692