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