1 /* 2 * SMBIOS Support 3 * 4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. 5 * Copyright (C) 2013 Red Hat, Inc. 6 * 7 * Authors: 8 * Alex Williamson <alex.williamson@hp.com> 9 * Markus Armbruster <armbru@redhat.com> 10 * 11 * This work is licensed under the terms of the GNU GPL, version 2. See 12 * the COPYING file in the top-level directory. 13 * 14 * Contributions after 2012-01-13 are licensed under the terms of the 15 * GNU GPL, version 2 or (at your option) any later version. 16 */ 17 18 #include "qemu/osdep.h" 19 #include "qemu/units.h" 20 #include "qemu/bswap.h" 21 #include "qapi/error.h" 22 #include "qemu/config-file.h" 23 #include "qemu/module.h" 24 #include "qemu/option.h" 25 #include "system/system.h" 26 #include "qemu/uuid.h" 27 #include "hw/firmware/smbios.h" 28 #include "hw/loader.h" 29 #include "hw/boards.h" 30 #include "hw/pci/pci_bus.h" 31 #include "hw/pci/pci_device.h" 32 #include "smbios_build.h" 33 34 /* 35 * SMBIOS tables provided by user with '-smbios file=<foo>' option 36 */ 37 uint8_t *usr_blobs; 38 size_t usr_blobs_len; 39 static unsigned usr_table_max; 40 static unsigned usr_table_cnt; 41 42 uint8_t *smbios_tables; 43 size_t smbios_tables_len; 44 unsigned smbios_table_max; 45 unsigned smbios_table_cnt; 46 47 static SmbiosEntryPoint ep; 48 49 static int smbios_type4_count = 0; 50 static bool smbios_have_defaults; 51 static uint32_t smbios_cpuid_version, smbios_cpuid_features; 52 53 DECLARE_BITMAP(smbios_have_binfile_bitmap, SMBIOS_MAX_TYPE + 1); 54 DECLARE_BITMAP(smbios_have_fields_bitmap, SMBIOS_MAX_TYPE + 1); 55 56 smbios_type0_t smbios_type0; 57 smbios_type1_t smbios_type1; 58 59 static struct { 60 const char *manufacturer, *product, *version, *serial, *asset, *location; 61 } type2; 62 63 static struct { 64 const char *manufacturer, *version, *serial, *asset, *sku; 65 } type3; 66 67 /* 68 * SVVP requires max_speed and current_speed to be set and not being 69 * 0 which counts as unknown (SMBIOS 3.1.0/Table 21). Set the 70 * default value to 2000MHz as we did before. 71 */ 72 #define DEFAULT_CPU_SPEED 2000 73 74 static struct { 75 uint16_t processor_family; 76 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part; 77 uint64_t max_speed; 78 uint64_t current_speed; 79 uint64_t processor_id; 80 } type4 = { 81 .max_speed = DEFAULT_CPU_SPEED, 82 .current_speed = DEFAULT_CPU_SPEED, 83 .processor_id = 0, 84 .processor_family = 0x01, /* Other */ 85 }; 86 87 struct type8_instance { 88 const char *internal_reference, *external_reference; 89 uint8_t connector_type, port_type; 90 QTAILQ_ENTRY(type8_instance) next; 91 }; 92 static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8); 93 94 /* type 9 instance for parsing */ 95 struct type9_instance { 96 const char *slot_designation, *pcidev; 97 uint8_t slot_type, slot_data_bus_width, current_usage, slot_length, 98 slot_characteristics1, slot_characteristics2; 99 uint16_t slot_id; 100 QTAILQ_ENTRY(type9_instance) next; 101 }; 102 static QTAILQ_HEAD(, type9_instance) type9 = QTAILQ_HEAD_INITIALIZER(type9); 103 104 static struct { 105 size_t nvalues; 106 char **values; 107 } type11; 108 109 static struct { 110 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part; 111 uint16_t speed; 112 } type17; 113 114 static QEnumLookup type41_kind_lookup = { 115 .array = (const char *const[]) { 116 "other", 117 "unknown", 118 "video", 119 "scsi", 120 "ethernet", 121 "tokenring", 122 "sound", 123 "pata", 124 "sata", 125 "sas", 126 }, 127 .size = 10 128 }; 129 struct type41_instance { 130 const char *designation, *pcidev; 131 uint8_t instance, kind; 132 QTAILQ_ENTRY(type41_instance) next; 133 }; 134 static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41); 135 136 static QemuOptsList qemu_smbios_opts = { 137 .name = "smbios", 138 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head), 139 .desc = { 140 /* 141 * no elements => accept any params 142 * validation will happen later 143 */ 144 { /* end of list */ } 145 } 146 }; 147 148 static const QemuOptDesc qemu_smbios_file_opts[] = { 149 { 150 .name = "file", 151 .type = QEMU_OPT_STRING, 152 .help = "binary file containing an SMBIOS element", 153 }, 154 { /* end of list */ } 155 }; 156 157 static const QemuOptDesc qemu_smbios_type0_opts[] = { 158 { 159 .name = "type", 160 .type = QEMU_OPT_NUMBER, 161 .help = "SMBIOS element type", 162 },{ 163 .name = "vendor", 164 .type = QEMU_OPT_STRING, 165 .help = "vendor name", 166 },{ 167 .name = "version", 168 .type = QEMU_OPT_STRING, 169 .help = "version number", 170 },{ 171 .name = "date", 172 .type = QEMU_OPT_STRING, 173 .help = "release date", 174 },{ 175 .name = "release", 176 .type = QEMU_OPT_STRING, 177 .help = "revision number", 178 },{ 179 .name = "uefi", 180 .type = QEMU_OPT_BOOL, 181 .help = "uefi support", 182 }, 183 { /* end of list */ } 184 }; 185 186 static const QemuOptDesc qemu_smbios_type1_opts[] = { 187 { 188 .name = "type", 189 .type = QEMU_OPT_NUMBER, 190 .help = "SMBIOS element type", 191 },{ 192 .name = "manufacturer", 193 .type = QEMU_OPT_STRING, 194 .help = "manufacturer name", 195 },{ 196 .name = "product", 197 .type = QEMU_OPT_STRING, 198 .help = "product name", 199 },{ 200 .name = "version", 201 .type = QEMU_OPT_STRING, 202 .help = "version number", 203 },{ 204 .name = "serial", 205 .type = QEMU_OPT_STRING, 206 .help = "serial number", 207 },{ 208 .name = "uuid", 209 .type = QEMU_OPT_STRING, 210 .help = "UUID", 211 },{ 212 .name = "sku", 213 .type = QEMU_OPT_STRING, 214 .help = "SKU number", 215 },{ 216 .name = "family", 217 .type = QEMU_OPT_STRING, 218 .help = "family name", 219 }, 220 { /* end of list */ } 221 }; 222 223 static const QemuOptDesc qemu_smbios_type2_opts[] = { 224 { 225 .name = "type", 226 .type = QEMU_OPT_NUMBER, 227 .help = "SMBIOS element type", 228 },{ 229 .name = "manufacturer", 230 .type = QEMU_OPT_STRING, 231 .help = "manufacturer name", 232 },{ 233 .name = "product", 234 .type = QEMU_OPT_STRING, 235 .help = "product name", 236 },{ 237 .name = "version", 238 .type = QEMU_OPT_STRING, 239 .help = "version number", 240 },{ 241 .name = "serial", 242 .type = QEMU_OPT_STRING, 243 .help = "serial number", 244 },{ 245 .name = "asset", 246 .type = QEMU_OPT_STRING, 247 .help = "asset tag number", 248 },{ 249 .name = "location", 250 .type = QEMU_OPT_STRING, 251 .help = "location in chassis", 252 }, 253 { /* end of list */ } 254 }; 255 256 static const QemuOptDesc qemu_smbios_type3_opts[] = { 257 { 258 .name = "type", 259 .type = QEMU_OPT_NUMBER, 260 .help = "SMBIOS element type", 261 },{ 262 .name = "manufacturer", 263 .type = QEMU_OPT_STRING, 264 .help = "manufacturer name", 265 },{ 266 .name = "version", 267 .type = QEMU_OPT_STRING, 268 .help = "version number", 269 },{ 270 .name = "serial", 271 .type = QEMU_OPT_STRING, 272 .help = "serial number", 273 },{ 274 .name = "asset", 275 .type = QEMU_OPT_STRING, 276 .help = "asset tag number", 277 },{ 278 .name = "sku", 279 .type = QEMU_OPT_STRING, 280 .help = "SKU number", 281 }, 282 { /* end of list */ } 283 }; 284 285 static const QemuOptDesc qemu_smbios_type4_opts[] = { 286 { 287 .name = "type", 288 .type = QEMU_OPT_NUMBER, 289 .help = "SMBIOS element type", 290 },{ 291 .name = "sock_pfx", 292 .type = QEMU_OPT_STRING, 293 .help = "socket designation string prefix", 294 },{ 295 .name = "manufacturer", 296 .type = QEMU_OPT_STRING, 297 .help = "manufacturer name", 298 },{ 299 .name = "version", 300 .type = QEMU_OPT_STRING, 301 .help = "version number", 302 },{ 303 .name = "max-speed", 304 .type = QEMU_OPT_NUMBER, 305 .help = "max speed in MHz", 306 },{ 307 .name = "current-speed", 308 .type = QEMU_OPT_NUMBER, 309 .help = "speed at system boot in MHz", 310 },{ 311 .name = "serial", 312 .type = QEMU_OPT_STRING, 313 .help = "serial number", 314 },{ 315 .name = "asset", 316 .type = QEMU_OPT_STRING, 317 .help = "asset tag number", 318 },{ 319 .name = "part", 320 .type = QEMU_OPT_STRING, 321 .help = "part number", 322 }, { 323 .name = "processor-family", 324 .type = QEMU_OPT_NUMBER, 325 .help = "processor family", 326 }, { 327 .name = "processor-id", 328 .type = QEMU_OPT_NUMBER, 329 .help = "processor id", 330 }, 331 { /* end of list */ } 332 }; 333 334 static const QemuOptDesc qemu_smbios_type8_opts[] = { 335 { 336 .name = "type", 337 .type = QEMU_OPT_NUMBER, 338 .help = "SMBIOS element type", 339 }, 340 { 341 .name = "internal_reference", 342 .type = QEMU_OPT_STRING, 343 .help = "internal reference designator", 344 }, 345 { 346 .name = "external_reference", 347 .type = QEMU_OPT_STRING, 348 .help = "external reference designator", 349 }, 350 { 351 .name = "connector_type", 352 .type = QEMU_OPT_NUMBER, 353 .help = "connector type", 354 }, 355 { 356 .name = "port_type", 357 .type = QEMU_OPT_NUMBER, 358 .help = "port type", 359 }, 360 { /* end of list */ } 361 }; 362 363 static const QemuOptDesc qemu_smbios_type9_opts[] = { 364 { 365 .name = "type", 366 .type = QEMU_OPT_NUMBER, 367 .help = "SMBIOS element type", 368 }, 369 { 370 .name = "slot_designation", 371 .type = QEMU_OPT_STRING, 372 .help = "string number for reference designation", 373 }, 374 { 375 .name = "slot_type", 376 .type = QEMU_OPT_NUMBER, 377 .help = "connector type", 378 }, 379 { 380 .name = "slot_data_bus_width", 381 .type = QEMU_OPT_NUMBER, 382 .help = "port type", 383 }, 384 { 385 .name = "current_usage", 386 .type = QEMU_OPT_NUMBER, 387 .help = "current usage", 388 }, 389 { 390 .name = "slot_length", 391 .type = QEMU_OPT_NUMBER, 392 .help = "system slot length", 393 }, 394 { 395 .name = "slot_id", 396 .type = QEMU_OPT_NUMBER, 397 .help = "system slot id", 398 }, 399 { 400 .name = "slot_characteristics1", 401 .type = QEMU_OPT_NUMBER, 402 .help = "slot characteristics1, see the spec", 403 }, 404 { 405 .name = "slot_characteristics2", 406 .type = QEMU_OPT_NUMBER, 407 .help = "slot characteristics2, see the spec", 408 }, 409 { 410 .name = "pci_device", 411 .type = QEMU_OPT_STRING, 412 .help = "PCI device, if provided." 413 } 414 }; 415 416 static const QemuOptDesc qemu_smbios_type11_opts[] = { 417 { 418 .name = "type", 419 .type = QEMU_OPT_NUMBER, 420 .help = "SMBIOS element type", 421 }, 422 { 423 .name = "value", 424 .type = QEMU_OPT_STRING, 425 .help = "OEM string data", 426 }, 427 { 428 .name = "path", 429 .type = QEMU_OPT_STRING, 430 .help = "OEM string data from file", 431 }, 432 { /* end of list */ } 433 }; 434 435 static const QemuOptDesc qemu_smbios_type17_opts[] = { 436 { 437 .name = "type", 438 .type = QEMU_OPT_NUMBER, 439 .help = "SMBIOS element type", 440 },{ 441 .name = "loc_pfx", 442 .type = QEMU_OPT_STRING, 443 .help = "device locator string prefix", 444 },{ 445 .name = "bank", 446 .type = QEMU_OPT_STRING, 447 .help = "bank locator string", 448 },{ 449 .name = "manufacturer", 450 .type = QEMU_OPT_STRING, 451 .help = "manufacturer name", 452 },{ 453 .name = "serial", 454 .type = QEMU_OPT_STRING, 455 .help = "serial number", 456 },{ 457 .name = "asset", 458 .type = QEMU_OPT_STRING, 459 .help = "asset tag number", 460 },{ 461 .name = "part", 462 .type = QEMU_OPT_STRING, 463 .help = "part number", 464 },{ 465 .name = "speed", 466 .type = QEMU_OPT_NUMBER, 467 .help = "maximum capable speed", 468 }, 469 { /* end of list */ } 470 }; 471 472 static const QemuOptDesc qemu_smbios_type41_opts[] = { 473 { 474 .name = "type", 475 .type = QEMU_OPT_NUMBER, 476 .help = "SMBIOS element type", 477 },{ 478 .name = "designation", 479 .type = QEMU_OPT_STRING, 480 .help = "reference designation string", 481 },{ 482 .name = "kind", 483 .type = QEMU_OPT_STRING, 484 .help = "device type", 485 .def_value_str = "other", 486 },{ 487 .name = "instance", 488 .type = QEMU_OPT_NUMBER, 489 .help = "device type instance", 490 },{ 491 .name = "pcidev", 492 .type = QEMU_OPT_STRING, 493 .help = "PCI device", 494 }, 495 { /* end of list */ } 496 }; 497 498 static void smbios_register_config(void) 499 { 500 qemu_add_opts(&qemu_smbios_opts); 501 } 502 503 opts_init(smbios_register_config); 504 505 /* 506 * The SMBIOS 2.1 "structure table length" field in the 507 * entry point uses a 16-bit integer, so we're limited 508 * in total table size 509 */ 510 #define SMBIOS_21_MAX_TABLES_LEN 0xffff 511 512 static bool smbios_check_type4_count(uint32_t expected_t4_count, Error **errp) 513 { 514 if (smbios_type4_count && smbios_type4_count != expected_t4_count) { 515 error_setg(errp, "Expected %d SMBIOS Type 4 tables, got %d instead", 516 expected_t4_count, smbios_type4_count); 517 return false; 518 } 519 return true; 520 } 521 522 bool smbios_validate_table(SmbiosEntryPointType ep_type, Error **errp) 523 { 524 if (ep_type == SMBIOS_ENTRY_POINT_TYPE_32 && 525 smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) { 526 error_setg(errp, "SMBIOS 2.1 table length %zu exceeds %d", 527 smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN); 528 return false; 529 } 530 return true; 531 } 532 533 bool smbios_skip_table(uint8_t type, bool required_table) 534 { 535 if (test_bit(type, smbios_have_binfile_bitmap)) { 536 return true; /* user provided their own binary blob(s) */ 537 } 538 if (test_bit(type, smbios_have_fields_bitmap)) { 539 return false; /* user provided fields via command line */ 540 } 541 if (smbios_have_defaults && required_table) { 542 return false; /* we're building tables, and this one's required */ 543 } 544 return true; 545 } 546 547 #define T0_BASE 0x000 548 #define T1_BASE 0x100 549 #define T2_BASE 0x200 550 #define T3_BASE 0x300 551 #define T4_BASE 0x400 552 #define T9_BASE 0x900 553 #define T11_BASE 0xe00 554 555 #define T16_BASE 0x1000 556 #define T17_BASE 0x1100 557 #define T19_BASE 0x1300 558 #define T32_BASE 0x2000 559 #define T41_BASE 0x2900 560 #define T127_BASE 0x7F00 561 562 static void smbios_build_type_0_table(void) 563 { 564 SMBIOS_BUILD_TABLE_PRE(0, T0_BASE, false); /* optional, leave up to BIOS */ 565 566 SMBIOS_TABLE_SET_STR(0, vendor_str, smbios_type0.vendor); 567 SMBIOS_TABLE_SET_STR(0, bios_version_str, smbios_type0.version); 568 569 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */ 570 571 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, smbios_type0.date); 572 573 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */ 574 575 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */ 576 t->bios_characteristics_extension_bytes[0] = 0; 577 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */ 578 if (smbios_type0.uefi) { 579 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */ 580 } 581 582 if (smbios_type0.have_major_minor) { 583 t->system_bios_major_release = smbios_type0.major; 584 t->system_bios_minor_release = smbios_type0.minor; 585 } else { 586 t->system_bios_major_release = 0; 587 t->system_bios_minor_release = 0; 588 } 589 590 /* hardcoded in SeaBIOS */ 591 t->embedded_controller_major_release = 0xFF; 592 t->embedded_controller_minor_release = 0xFF; 593 594 SMBIOS_BUILD_TABLE_POST; 595 } 596 597 /* Encode UUID from the big endian encoding described on RFC4122 to the wire 598 * format specified by SMBIOS version 2.6. 599 */ 600 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in) 601 { 602 memcpy(uuid, in, 16); 603 uuid->time_low = bswap32(uuid->time_low); 604 uuid->time_mid = bswap16(uuid->time_mid); 605 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version); 606 } 607 608 static void smbios_build_type_1_table(void) 609 { 610 SMBIOS_BUILD_TABLE_PRE(1, T1_BASE, true); /* required */ 611 612 SMBIOS_TABLE_SET_STR(1, manufacturer_str, smbios_type1.manufacturer); 613 SMBIOS_TABLE_SET_STR(1, product_name_str, smbios_type1.product); 614 SMBIOS_TABLE_SET_STR(1, version_str, smbios_type1.version); 615 SMBIOS_TABLE_SET_STR(1, serial_number_str, smbios_type1.serial); 616 if (qemu_uuid_set) { 617 smbios_encode_uuid(&t->uuid, &qemu_uuid); 618 } else { 619 memset(&t->uuid, 0, 16); 620 } 621 t->wake_up_type = 0x06; /* power switch */ 622 SMBIOS_TABLE_SET_STR(1, sku_number_str, smbios_type1.sku); 623 SMBIOS_TABLE_SET_STR(1, family_str, smbios_type1.family); 624 625 SMBIOS_BUILD_TABLE_POST; 626 } 627 628 static void smbios_build_type_2_table(void) 629 { 630 SMBIOS_BUILD_TABLE_PRE(2, T2_BASE, false); /* optional */ 631 632 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer); 633 SMBIOS_TABLE_SET_STR(2, product_str, type2.product); 634 SMBIOS_TABLE_SET_STR(2, version_str, type2.version); 635 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial); 636 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset); 637 t->feature_flags = 0x01; /* Motherboard */ 638 SMBIOS_TABLE_SET_STR(2, location_str, type2.location); 639 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */ 640 t->board_type = 0x0A; /* Motherboard */ 641 t->contained_element_count = 0; 642 643 SMBIOS_BUILD_TABLE_POST; 644 } 645 646 static void smbios_build_type_3_table(void) 647 { 648 SMBIOS_BUILD_TABLE_PRE(3, T3_BASE, true); /* required */ 649 650 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer); 651 t->type = 0x01; /* Other */ 652 SMBIOS_TABLE_SET_STR(3, version_str, type3.version); 653 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial); 654 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset); 655 t->boot_up_state = 0x03; /* Safe */ 656 t->power_supply_state = 0x03; /* Safe */ 657 t->thermal_state = 0x03; /* Safe */ 658 t->security_status = 0x02; /* Unknown */ 659 t->oem_defined = cpu_to_le32(0); 660 t->height = 0; 661 t->number_of_power_cords = 0; 662 t->contained_element_count = 0; 663 t->contained_element_record_length = 0; 664 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku); 665 666 SMBIOS_BUILD_TABLE_POST; 667 } 668 669 static void smbios_build_type_4_table(MachineState *ms, unsigned instance, 670 SmbiosEntryPointType ep_type, 671 Error **errp) 672 { 673 char sock_str[128]; 674 size_t tbl_len = SMBIOS_TYPE_4_LEN_V28; 675 unsigned threads_per_socket; 676 unsigned cores_per_socket; 677 678 if (ep_type == SMBIOS_ENTRY_POINT_TYPE_64) { 679 tbl_len = SMBIOS_TYPE_4_LEN_V30; 680 } 681 682 SMBIOS_BUILD_TABLE_PRE_SIZE(4, T4_BASE + instance, 683 true, tbl_len); /* required */ 684 685 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance); 686 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str); 687 t->processor_type = 0x03; /* CPU */ 688 t->processor_family = 0xfe; /* use Processor Family 2 field */ 689 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer); 690 if (type4.processor_id == 0) { 691 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version); 692 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features); 693 } else { 694 t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id); 695 t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32); 696 } 697 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version); 698 t->voltage = 0; 699 t->external_clock = cpu_to_le16(0); /* Unknown */ 700 t->max_speed = cpu_to_le16(type4.max_speed); 701 t->current_speed = cpu_to_le16(type4.current_speed); 702 t->status = 0x41; /* Socket populated, CPU enabled */ 703 t->processor_upgrade = 0x01; /* Other */ 704 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ 705 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ 706 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ 707 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial); 708 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset); 709 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part); 710 711 threads_per_socket = machine_topo_get_threads_per_socket(ms); 712 cores_per_socket = machine_topo_get_cores_per_socket(ms); 713 714 t->core_count = (cores_per_socket > 255) ? 0xFF : cores_per_socket; 715 t->core_enabled = t->core_count; 716 717 t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket; 718 719 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */ 720 t->processor_family2 = cpu_to_le16(type4.processor_family); 721 722 if (tbl_len == SMBIOS_TYPE_4_LEN_V30) { 723 t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket); 724 t->thread_count2 = cpu_to_le16(threads_per_socket); 725 } else if (t->core_count == 0xFF || t->thread_count == 0xFF) { 726 error_setg(errp, "SMBIOS 2.0 doesn't support number of processor " 727 "cores/threads more than 255, use " 728 "-machine smbios-entry-point-type=64 option to enable " 729 "SMBIOS 3.0 support"); 730 return; 731 } 732 733 SMBIOS_BUILD_TABLE_POST; 734 smbios_type4_count++; 735 } 736 737 static void smbios_build_type_8_table(void) 738 { 739 unsigned instance = 0; 740 struct type8_instance *t8; 741 742 QTAILQ_FOREACH(t8, &type8, next) { 743 SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true); 744 745 SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference); 746 SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference); 747 /* most vendors seem to set this to None */ 748 t->internal_connector_type = 0x0; 749 t->external_connector_type = t8->connector_type; 750 t->port_type = t8->port_type; 751 752 SMBIOS_BUILD_TABLE_POST; 753 instance++; 754 } 755 } 756 757 static void smbios_build_type_9_table(Error **errp) 758 { 759 unsigned instance = 0; 760 struct type9_instance *t9; 761 762 QTAILQ_FOREACH(t9, &type9, next) { 763 SMBIOS_BUILD_TABLE_PRE(9, T9_BASE + instance, true); 764 765 SMBIOS_TABLE_SET_STR(9, slot_designation, t9->slot_designation); 766 t->slot_type = t9->slot_type; 767 t->slot_data_bus_width = t9->slot_data_bus_width; 768 t->current_usage = t9->current_usage; 769 t->slot_length = t9->slot_length; 770 t->slot_id = t9->slot_id; 771 t->slot_characteristics1 = t9->slot_characteristics1; 772 t->slot_characteristics2 = t9->slot_characteristics2; 773 774 if (t9->pcidev) { 775 PCIDevice *pdev = NULL; 776 int rc = pci_qdev_find_device(t9->pcidev, &pdev); 777 if (rc != 0) { 778 error_setg(errp, 779 "No PCI device %s for SMBIOS type 9 entry %s", 780 t9->pcidev, t9->slot_designation); 781 return; 782 } 783 /* 784 * We only handle the case were the device is attached to 785 * the PCI root bus. The general case is more complex as 786 * bridges are enumerated later and the table would need 787 * to be updated at this moment. 788 */ 789 if (!pci_bus_is_root(pci_get_bus(pdev))) { 790 error_setg(errp, 791 "Cannot create type 9 entry for PCI device %s: " 792 "not attached to the root bus", 793 t9->pcidev); 794 return; 795 } 796 t->segment_group_number = cpu_to_le16(0); 797 t->bus_number = pci_dev_bus_num(pdev); 798 t->device_number = pdev->devfn; 799 } else { 800 /* 801 * Per SMBIOS spec, For slots that are not of the PCI, AGP, PCI-X, 802 * or PCI-Express type that do not have bus/device/function 803 * information, 0FFh should be populated in the fields of Segment 804 * Group Number, Bus Number, Device/Function Number. 805 */ 806 t->segment_group_number = 0xff; 807 t->bus_number = 0xff; 808 t->device_number = 0xff; 809 } 810 811 SMBIOS_BUILD_TABLE_POST; 812 instance++; 813 } 814 } 815 816 static void smbios_build_type_11_table(void) 817 { 818 char count_str[128]; 819 size_t i; 820 821 if (type11.nvalues == 0) { 822 return; 823 } 824 825 SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */ 826 827 snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues); 828 t->count = type11.nvalues; 829 830 for (i = 0; i < type11.nvalues; i++) { 831 SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]); 832 g_free(type11.values[i]); 833 type11.values[i] = NULL; 834 } 835 836 SMBIOS_BUILD_TABLE_POST; 837 } 838 839 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */ 840 841 static void smbios_build_type_16_table(unsigned dimm_cnt) 842 { 843 uint64_t size_kb; 844 845 SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */ 846 847 t->location = 0x01; /* Other */ 848 t->use = 0x03; /* System memory */ 849 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */ 850 size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB; 851 if (size_kb < MAX_T16_STD_SZ) { 852 t->maximum_capacity = cpu_to_le32(size_kb); 853 t->extended_maximum_capacity = cpu_to_le64(0); 854 } else { 855 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ); 856 t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size); 857 } 858 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */ 859 t->number_of_memory_devices = cpu_to_le16(dimm_cnt); 860 861 SMBIOS_BUILD_TABLE_POST; 862 } 863 864 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */ 865 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */ 866 867 static void smbios_build_type_17_table(unsigned instance, uint64_t size) 868 { 869 char loc_str[128]; 870 uint64_t size_mb; 871 872 SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */ 873 874 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */ 875 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */ 876 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */ 877 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */ 878 size_mb = QEMU_ALIGN_UP(size, MiB) / MiB; 879 if (size_mb < MAX_T17_STD_SZ) { 880 t->size = cpu_to_le16(size_mb); 881 t->extended_size = cpu_to_le32(0); 882 } else { 883 assert(size_mb < MAX_T17_EXT_SZ); 884 t->size = cpu_to_le16(MAX_T17_STD_SZ); 885 t->extended_size = cpu_to_le32(size_mb); 886 } 887 t->form_factor = 0x09; /* DIMM */ 888 t->device_set = 0; /* Not in a set */ 889 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance); 890 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str); 891 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank); 892 t->memory_type = 0x07; /* RAM */ 893 t->type_detail = cpu_to_le16(0x02); /* Other */ 894 t->speed = cpu_to_le16(type17.speed); 895 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer); 896 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial); 897 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset); 898 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part); 899 t->attributes = 0; /* Unknown */ 900 t->configured_clock_speed = t->speed; /* reuse value for max speed */ 901 t->minimum_voltage = cpu_to_le16(0); /* Unknown */ 902 t->maximum_voltage = cpu_to_le16(0); /* Unknown */ 903 t->configured_voltage = cpu_to_le16(0); /* Unknown */ 904 905 SMBIOS_BUILD_TABLE_POST; 906 } 907 908 static void smbios_build_type_19_table(unsigned instance, unsigned offset, 909 uint64_t start, uint64_t size) 910 { 911 uint64_t end, start_kb, end_kb; 912 913 SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance, 914 true); /* required */ 915 916 end = start + size - 1; 917 assert(end > start); 918 start_kb = start / KiB; 919 end_kb = end / KiB; 920 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) { 921 t->starting_address = cpu_to_le32(start_kb); 922 t->ending_address = cpu_to_le32(end_kb); 923 t->extended_starting_address = 924 t->extended_ending_address = cpu_to_le64(0); 925 } else { 926 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX); 927 t->extended_starting_address = cpu_to_le64(start); 928 t->extended_ending_address = cpu_to_le64(end); 929 } 930 t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */ 931 t->partition_width = 1; /* One device per row */ 932 933 SMBIOS_BUILD_TABLE_POST; 934 } 935 936 static void smbios_build_type_32_table(void) 937 { 938 SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */ 939 940 memset(t->reserved, 0, 6); 941 t->boot_status = 0; /* No errors detected */ 942 943 SMBIOS_BUILD_TABLE_POST; 944 } 945 946 static void smbios_build_type_41_table(Error **errp) 947 { 948 unsigned instance = 0; 949 struct type41_instance *t41; 950 951 QTAILQ_FOREACH(t41, &type41, next) { 952 SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true); 953 954 SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation); 955 t->device_type = t41->kind; 956 t->device_type_instance = t41->instance; 957 t->segment_group_number = cpu_to_le16(0); 958 t->bus_number = 0; 959 t->device_number = 0; 960 961 if (t41->pcidev) { 962 PCIDevice *pdev = NULL; 963 int rc = pci_qdev_find_device(t41->pcidev, &pdev); 964 if (rc != 0) { 965 error_setg(errp, 966 "No PCI device %s for SMBIOS type 41 entry %s", 967 t41->pcidev, t41->designation); 968 return; 969 } 970 /* 971 * We only handle the case were the device is attached to 972 * the PCI root bus. The general case is more complex as 973 * bridges are enumerated later and the table would need 974 * to be updated at this moment. 975 */ 976 if (!pci_bus_is_root(pci_get_bus(pdev))) { 977 error_setg(errp, 978 "Cannot create type 41 entry for PCI device %s: " 979 "not attached to the root bus", 980 t41->pcidev); 981 return; 982 } 983 t->segment_group_number = cpu_to_le16(0); 984 t->bus_number = pci_dev_bus_num(pdev); 985 t->device_number = pdev->devfn; 986 } 987 988 SMBIOS_BUILD_TABLE_POST; 989 instance++; 990 } 991 } 992 993 static void smbios_build_type_127_table(void) 994 { 995 SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */ 996 SMBIOS_BUILD_TABLE_POST; 997 } 998 999 void smbios_set_cpuid(uint32_t version, uint32_t features) 1000 { 1001 smbios_cpuid_version = version; 1002 smbios_cpuid_features = features; 1003 } 1004 1005 #define SMBIOS_SET_DEFAULT(field, value) \ 1006 if (!field) { \ 1007 field = value; \ 1008 } 1009 1010 void smbios_set_default_processor_family(uint16_t processor_family) 1011 { 1012 if (type4.processor_family <= 0x01) { 1013 type4.processor_family = processor_family; 1014 } 1015 } 1016 1017 void smbios_set_defaults(const char *manufacturer, const char *product, 1018 const char *version) 1019 { 1020 smbios_have_defaults = true; 1021 1022 SMBIOS_SET_DEFAULT(smbios_type1.manufacturer, manufacturer); 1023 SMBIOS_SET_DEFAULT(smbios_type1.product, product); 1024 SMBIOS_SET_DEFAULT(smbios_type1.version, version); 1025 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer); 1026 SMBIOS_SET_DEFAULT(type2.product, product); 1027 SMBIOS_SET_DEFAULT(type2.version, version); 1028 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer); 1029 SMBIOS_SET_DEFAULT(type3.version, version); 1030 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU"); 1031 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer); 1032 SMBIOS_SET_DEFAULT(type4.version, version); 1033 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM"); 1034 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer); 1035 } 1036 1037 static void smbios_entry_point_setup(SmbiosEntryPointType ep_type) 1038 { 1039 switch (ep_type) { 1040 case SMBIOS_ENTRY_POINT_TYPE_32: 1041 memcpy(ep.ep21.anchor_string, "_SM_", 4); 1042 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5); 1043 ep.ep21.length = sizeof(struct smbios_21_entry_point); 1044 ep.ep21.entry_point_revision = 0; /* formatted_area reserved */ 1045 memset(ep.ep21.formatted_area, 0, 5); 1046 1047 /* compliant with smbios spec v2.8 */ 1048 ep.ep21.smbios_major_version = 2; 1049 ep.ep21.smbios_minor_version = 8; 1050 ep.ep21.smbios_bcd_revision = 0x28; 1051 1052 /* set during table construction, but BIOS may override: */ 1053 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len); 1054 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max); 1055 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt); 1056 1057 /* BIOS must recalculate */ 1058 ep.ep21.checksum = 0; 1059 ep.ep21.intermediate_checksum = 0; 1060 ep.ep21.structure_table_address = cpu_to_le32(0); 1061 1062 break; 1063 case SMBIOS_ENTRY_POINT_TYPE_64: 1064 memcpy(ep.ep30.anchor_string, "_SM3_", 5); 1065 ep.ep30.length = sizeof(struct smbios_30_entry_point); 1066 ep.ep30.entry_point_revision = 1; 1067 ep.ep30.reserved = 0; 1068 1069 /* compliant with smbios spec 3.0 */ 1070 ep.ep30.smbios_major_version = 3; 1071 ep.ep30.smbios_minor_version = 0; 1072 ep.ep30.smbios_doc_rev = 0; 1073 1074 /* set during table construct, but BIOS might override */ 1075 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len); 1076 1077 /* BIOS must recalculate */ 1078 ep.ep30.checksum = 0; 1079 ep.ep30.structure_table_address = cpu_to_le64(0); 1080 1081 break; 1082 default: 1083 abort(); 1084 break; 1085 } 1086 } 1087 1088 static bool smbios_get_tables_ep(MachineState *ms, 1089 SmbiosEntryPointType ep_type, 1090 const struct smbios_phys_mem_area *mem_array, 1091 const unsigned int mem_array_size, 1092 uint8_t **tables, size_t *tables_len, 1093 uint8_t **anchor, size_t *anchor_len, 1094 Error **errp) 1095 { 1096 unsigned i, dimm_cnt, offset; 1097 MachineClass *mc = MACHINE_GET_CLASS(ms); 1098 ERRP_GUARD(); 1099 1100 assert(ep_type == SMBIOS_ENTRY_POINT_TYPE_32 || 1101 ep_type == SMBIOS_ENTRY_POINT_TYPE_64); 1102 1103 g_free(smbios_tables); 1104 smbios_type4_count = 0; 1105 smbios_tables = g_memdup2(usr_blobs, usr_blobs_len); 1106 smbios_tables_len = usr_blobs_len; 1107 smbios_table_max = usr_table_max; 1108 smbios_table_cnt = usr_table_cnt; 1109 1110 smbios_build_type_0_table(); 1111 smbios_build_type_1_table(); 1112 smbios_build_type_2_table(); 1113 smbios_build_type_3_table(); 1114 1115 assert(ms->smp.sockets >= 1); 1116 1117 for (i = 0; i < ms->smp.sockets; i++) { 1118 smbios_build_type_4_table(ms, i, ep_type, errp); 1119 if (*errp) { 1120 goto err_exit; 1121 } 1122 } 1123 1124 smbios_build_type_8_table(); 1125 smbios_build_type_9_table(errp); 1126 smbios_build_type_11_table(); 1127 1128 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? mc->smbios_memory_device_size \ 1129 : ((current_machine->ram_size - 1) % mc->smbios_memory_device_size) + 1) 1130 1131 dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, 1132 mc->smbios_memory_device_size) / 1133 mc->smbios_memory_device_size; 1134 1135 /* 1136 * The offset determines if we need to keep additional space between 1137 * table 17 and table 19 header handle numbers so that they do 1138 * not overlap. For example, for a VM with larger than 8 TB guest 1139 * memory and DIMM like chunks of 16 GiB, the default space between 1140 * the two tables (T19_BASE - T17_BASE = 512) is not enough. 1141 */ 1142 offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \ 1143 dimm_cnt - (T19_BASE - T17_BASE) : 0; 1144 1145 smbios_build_type_16_table(dimm_cnt); 1146 1147 for (i = 0; i < dimm_cnt; i++) { 1148 smbios_build_type_17_table(i, GET_DIMM_SZ); 1149 } 1150 1151 for (i = 0; i < mem_array_size; i++) { 1152 smbios_build_type_19_table(i, offset, mem_array[i].address, 1153 mem_array[i].length); 1154 } 1155 1156 /* 1157 * make sure 16 bit handle numbers in the headers of tables 19 1158 * and 32 do not overlap. 1159 */ 1160 assert((mem_array_size + offset) < (T32_BASE - T19_BASE)); 1161 1162 smbios_build_type_32_table(); 1163 smbios_build_type_38_table(); 1164 smbios_build_type_41_table(errp); 1165 smbios_build_type_127_table(); 1166 1167 if (!smbios_check_type4_count(ms->smp.sockets, errp)) { 1168 goto err_exit; 1169 } 1170 if (!smbios_validate_table(ep_type, errp)) { 1171 goto err_exit; 1172 } 1173 smbios_entry_point_setup(ep_type); 1174 1175 /* return tables blob and entry point (anchor), and their sizes */ 1176 *tables = smbios_tables; 1177 *tables_len = smbios_tables_len; 1178 *anchor = (uint8_t *)&ep; 1179 /* calculate length based on anchor string */ 1180 if (!strncmp((char *)&ep, "_SM_", 4)) { 1181 *anchor_len = sizeof(struct smbios_21_entry_point); 1182 } else if (!strncmp((char *)&ep, "_SM3_", 5)) { 1183 *anchor_len = sizeof(struct smbios_30_entry_point); 1184 } else { 1185 abort(); 1186 } 1187 1188 return true; 1189 err_exit: 1190 g_free(smbios_tables); 1191 smbios_tables = NULL; 1192 return false; 1193 } 1194 1195 void smbios_get_tables(MachineState *ms, 1196 SmbiosEntryPointType ep_type, 1197 const struct smbios_phys_mem_area *mem_array, 1198 const unsigned int mem_array_size, 1199 uint8_t **tables, size_t *tables_len, 1200 uint8_t **anchor, size_t *anchor_len, 1201 Error **errp) 1202 { 1203 Error *local_err = NULL; 1204 bool is_valid; 1205 ERRP_GUARD(); 1206 1207 switch (ep_type) { 1208 case SMBIOS_ENTRY_POINT_TYPE_AUTO: 1209 case SMBIOS_ENTRY_POINT_TYPE_32: 1210 is_valid = smbios_get_tables_ep(ms, SMBIOS_ENTRY_POINT_TYPE_32, 1211 mem_array, mem_array_size, 1212 tables, tables_len, 1213 anchor, anchor_len, 1214 &local_err); 1215 if (is_valid || ep_type != SMBIOS_ENTRY_POINT_TYPE_AUTO) { 1216 break; 1217 } 1218 /* 1219 * fall through in case AUTO endpoint is selected and 1220 * SMBIOS 2.x tables can't be generated, to try if SMBIOS 3.x 1221 * tables would work 1222 */ 1223 case SMBIOS_ENTRY_POINT_TYPE_64: 1224 error_free(local_err); 1225 local_err = NULL; 1226 is_valid = smbios_get_tables_ep(ms, SMBIOS_ENTRY_POINT_TYPE_64, 1227 mem_array, mem_array_size, 1228 tables, tables_len, 1229 anchor, anchor_len, 1230 &local_err); 1231 break; 1232 default: 1233 abort(); 1234 } 1235 if (!is_valid) { 1236 error_propagate(errp, local_err); 1237 } 1238 } 1239 1240 static void save_opt(const char **dest, QemuOpts *opts, const char *name) 1241 { 1242 const char *val = qemu_opt_get(opts, name); 1243 1244 if (val) { 1245 *dest = val; 1246 } 1247 } 1248 1249 1250 struct opt_list { 1251 size_t *ndest; 1252 char ***dest; 1253 }; 1254 1255 static int save_opt_one(void *opaque, 1256 const char *name, const char *value, 1257 Error **errp) 1258 { 1259 struct opt_list *opt = opaque; 1260 1261 if (g_str_equal(name, "path")) { 1262 g_autoptr(GByteArray) data = g_byte_array_new(); 1263 g_autofree char *buf = g_new(char, 4096); 1264 ssize_t ret; 1265 int fd = qemu_open(value, O_RDONLY, errp); 1266 if (fd < 0) { 1267 return -1; 1268 } 1269 1270 while (1) { 1271 ret = read(fd, buf, 4096); 1272 if (ret == 0) { 1273 break; 1274 } 1275 if (ret < 0) { 1276 error_setg(errp, "Unable to read from %s: %s", 1277 value, strerror(errno)); 1278 qemu_close(fd); 1279 return -1; 1280 } 1281 if (memchr(buf, '\0', ret)) { 1282 error_setg(errp, "NUL in OEM strings value in %s", value); 1283 qemu_close(fd); 1284 return -1; 1285 } 1286 g_byte_array_append(data, (guint8 *)buf, ret); 1287 } 1288 1289 buf[0] = '\0'; 1290 g_byte_array_append(data, (guint8 *)buf, 1); 1291 1292 qemu_close(fd); 1293 1294 *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1); 1295 (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data, FALSE); 1296 (*opt->ndest)++; 1297 data = NULL; 1298 } else if (g_str_equal(name, "value")) { 1299 *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1); 1300 (*opt->dest)[*opt->ndest] = g_strdup(value); 1301 (*opt->ndest)++; 1302 } else if (!g_str_equal(name, "type")) { 1303 error_setg(errp, "Unexpected option %s", name); 1304 return -1; 1305 } 1306 1307 return 0; 1308 } 1309 1310 static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts, 1311 Error **errp) 1312 { 1313 struct opt_list opt = { 1314 ndest, dest, 1315 }; 1316 if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) { 1317 return false; 1318 } 1319 return true; 1320 } 1321 1322 void smbios_entry_add(QemuOpts *opts, Error **errp) 1323 { 1324 const char *val; 1325 1326 val = qemu_opt_get(opts, "file"); 1327 if (val) { 1328 struct smbios_structure_header *header; 1329 size_t size; 1330 1331 if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) { 1332 return; 1333 } 1334 1335 size = get_image_size(val); 1336 if (size == -1 || size < sizeof(struct smbios_structure_header)) { 1337 error_setg(errp, "Cannot read SMBIOS file %s", val); 1338 return; 1339 } 1340 1341 /* 1342 * NOTE: standard double '\0' terminator expected, per smbios spec. 1343 * (except in legacy mode, where the second '\0' is implicit and 1344 * will be inserted by the BIOS). 1345 */ 1346 usr_blobs = g_realloc(usr_blobs, usr_blobs_len + size); 1347 header = (struct smbios_structure_header *)(usr_blobs + 1348 usr_blobs_len); 1349 1350 if (load_image_size(val, (uint8_t *)header, size) != size) { 1351 error_setg(errp, "Failed to load SMBIOS file %s", val); 1352 return; 1353 } 1354 1355 if (header->type <= SMBIOS_MAX_TYPE) { 1356 if (test_bit(header->type, smbios_have_fields_bitmap)) { 1357 error_setg(errp, 1358 "can't load type %d struct, fields already specified!", 1359 header->type); 1360 return; 1361 } 1362 set_bit(header->type, smbios_have_binfile_bitmap); 1363 } 1364 1365 if (header->type == 4) { 1366 smbios_type4_count++; 1367 } 1368 1369 /* 1370 * preserve blob size for legacy mode so it could build its 1371 * blobs flavor from 'usr_blobs' 1372 */ 1373 smbios_add_usr_blob_size(size); 1374 1375 usr_blobs_len += size; 1376 if (size > usr_table_max) { 1377 usr_table_max = size; 1378 } 1379 usr_table_cnt++; 1380 1381 return; 1382 } 1383 1384 val = qemu_opt_get(opts, "type"); 1385 if (val) { 1386 unsigned long type = strtoul(val, NULL, 0); 1387 1388 if (type > SMBIOS_MAX_TYPE) { 1389 error_setg(errp, "out of range!"); 1390 return; 1391 } 1392 1393 if (test_bit(type, smbios_have_binfile_bitmap)) { 1394 error_setg(errp, "can't add fields, binary file already loaded!"); 1395 return; 1396 } 1397 set_bit(type, smbios_have_fields_bitmap); 1398 1399 switch (type) { 1400 case 0: 1401 if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) { 1402 return; 1403 } 1404 save_opt(&smbios_type0.vendor, opts, "vendor"); 1405 save_opt(&smbios_type0.version, opts, "version"); 1406 save_opt(&smbios_type0.date, opts, "date"); 1407 smbios_type0.uefi = qemu_opt_get_bool(opts, "uefi", false); 1408 1409 val = qemu_opt_get(opts, "release"); 1410 if (val) { 1411 if (sscanf(val, "%hhu.%hhu", &smbios_type0.major, 1412 &smbios_type0.minor) != 2) { 1413 error_setg(errp, "Invalid release"); 1414 return; 1415 } 1416 smbios_type0.have_major_minor = true; 1417 } 1418 return; 1419 case 1: 1420 if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) { 1421 return; 1422 } 1423 save_opt(&smbios_type1.manufacturer, opts, "manufacturer"); 1424 save_opt(&smbios_type1.product, opts, "product"); 1425 save_opt(&smbios_type1.version, opts, "version"); 1426 save_opt(&smbios_type1.serial, opts, "serial"); 1427 save_opt(&smbios_type1.sku, opts, "sku"); 1428 save_opt(&smbios_type1.family, opts, "family"); 1429 1430 val = qemu_opt_get(opts, "uuid"); 1431 if (val) { 1432 if (qemu_uuid_parse(val, &qemu_uuid) != 0) { 1433 error_setg(errp, "Invalid UUID"); 1434 return; 1435 } 1436 qemu_uuid_set = true; 1437 } 1438 return; 1439 case 2: 1440 if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) { 1441 return; 1442 } 1443 save_opt(&type2.manufacturer, opts, "manufacturer"); 1444 save_opt(&type2.product, opts, "product"); 1445 save_opt(&type2.version, opts, "version"); 1446 save_opt(&type2.serial, opts, "serial"); 1447 save_opt(&type2.asset, opts, "asset"); 1448 save_opt(&type2.location, opts, "location"); 1449 return; 1450 case 3: 1451 if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) { 1452 return; 1453 } 1454 save_opt(&type3.manufacturer, opts, "manufacturer"); 1455 save_opt(&type3.version, opts, "version"); 1456 save_opt(&type3.serial, opts, "serial"); 1457 save_opt(&type3.asset, opts, "asset"); 1458 save_opt(&type3.sku, opts, "sku"); 1459 return; 1460 case 4: 1461 if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) { 1462 return; 1463 } 1464 save_opt(&type4.sock_pfx, opts, "sock_pfx"); 1465 type4.processor_family = qemu_opt_get_number(opts, 1466 "processor-family", 1467 0x01 /* Other */); 1468 save_opt(&type4.manufacturer, opts, "manufacturer"); 1469 save_opt(&type4.version, opts, "version"); 1470 save_opt(&type4.serial, opts, "serial"); 1471 save_opt(&type4.asset, opts, "asset"); 1472 save_opt(&type4.part, opts, "part"); 1473 /* If the value is 0, it will take the value from the CPU model. */ 1474 type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0); 1475 type4.max_speed = qemu_opt_get_number(opts, "max-speed", 1476 DEFAULT_CPU_SPEED); 1477 type4.current_speed = qemu_opt_get_number(opts, "current-speed", 1478 DEFAULT_CPU_SPEED); 1479 if (type4.max_speed > UINT16_MAX || 1480 type4.current_speed > UINT16_MAX) { 1481 error_setg(errp, "SMBIOS CPU speed is too large (> %d)", 1482 UINT16_MAX); 1483 } 1484 return; 1485 case 8: 1486 if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) { 1487 return; 1488 } 1489 struct type8_instance *t8_i; 1490 t8_i = g_new0(struct type8_instance, 1); 1491 save_opt(&t8_i->internal_reference, opts, "internal_reference"); 1492 save_opt(&t8_i->external_reference, opts, "external_reference"); 1493 t8_i->connector_type = qemu_opt_get_number(opts, 1494 "connector_type", 0); 1495 t8_i->port_type = qemu_opt_get_number(opts, "port_type", 0); 1496 QTAILQ_INSERT_TAIL(&type8, t8_i, next); 1497 return; 1498 case 9: { 1499 if (!qemu_opts_validate(opts, qemu_smbios_type9_opts, errp)) { 1500 return; 1501 } 1502 struct type9_instance *t; 1503 t = g_new0(struct type9_instance, 1); 1504 save_opt(&t->slot_designation, opts, "slot_designation"); 1505 t->slot_type = qemu_opt_get_number(opts, "slot_type", 0); 1506 t->slot_data_bus_width = 1507 qemu_opt_get_number(opts, "slot_data_bus_width", 0); 1508 t->current_usage = qemu_opt_get_number(opts, "current_usage", 0); 1509 t->slot_length = qemu_opt_get_number(opts, "slot_length", 0); 1510 t->slot_id = qemu_opt_get_number(opts, "slot_id", 0); 1511 t->slot_characteristics1 = 1512 qemu_opt_get_number(opts, "slot_characteristics1", 0); 1513 t->slot_characteristics2 = 1514 qemu_opt_get_number(opts, "slot_characteristics2", 0); 1515 save_opt(&t->pcidev, opts, "pcidev"); 1516 QTAILQ_INSERT_TAIL(&type9, t, next); 1517 return; 1518 } 1519 case 11: 1520 if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) { 1521 return; 1522 } 1523 if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) { 1524 return; 1525 } 1526 return; 1527 case 17: 1528 if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) { 1529 return; 1530 } 1531 save_opt(&type17.loc_pfx, opts, "loc_pfx"); 1532 save_opt(&type17.bank, opts, "bank"); 1533 save_opt(&type17.manufacturer, opts, "manufacturer"); 1534 save_opt(&type17.serial, opts, "serial"); 1535 save_opt(&type17.asset, opts, "asset"); 1536 save_opt(&type17.part, opts, "part"); 1537 type17.speed = qemu_opt_get_number(opts, "speed", 0); 1538 return; 1539 case 41: { 1540 struct type41_instance *t41_i; 1541 Error *local_err = NULL; 1542 1543 if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) { 1544 return; 1545 } 1546 t41_i = g_new0(struct type41_instance, 1); 1547 save_opt(&t41_i->designation, opts, "designation"); 1548 t41_i->kind = qapi_enum_parse(&type41_kind_lookup, 1549 qemu_opt_get(opts, "kind"), 1550 0, &local_err) + 1; 1551 t41_i->kind |= 0x80; /* enabled */ 1552 if (local_err != NULL) { 1553 error_propagate(errp, local_err); 1554 g_free(t41_i); 1555 return; 1556 } 1557 t41_i->instance = qemu_opt_get_number(opts, "instance", 1); 1558 save_opt(&t41_i->pcidev, opts, "pcidev"); 1559 1560 QTAILQ_INSERT_TAIL(&type41, t41_i, next); 1561 return; 1562 } 1563 default: 1564 error_setg(errp, 1565 "Don't know how to build fields for SMBIOS type %ld", 1566 type); 1567 return; 1568 } 1569 } 1570 1571 error_setg(errp, "Must specify type= or file="); 1572 } 1573