hw/smbios/smbios.c

   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/error-report.h"
  23 #include "qemu/module.h"
  24 #include "qemu/option.h"
  25 #include "sysemu/sysemu.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 "smbios_build.h"
  32
  33 /* legacy structures and constants for <= 2.0 machines */
  34 struct smbios_header {
  35     uint16_t length;
  36     uint8_t type;
  37 } QEMU_PACKED;
  38
  39 struct smbios_field {
  40     struct smbios_header header;
  41     uint8_t type;
  42     uint16_t offset;
  43     uint8_t data[];
  44 } QEMU_PACKED;
  45
  46 struct smbios_table {
  47     struct smbios_header header;
  48     uint8_t data[];
  49 } QEMU_PACKED;
  50
  51 #define SMBIOS_FIELD_ENTRY 0
  52 #define SMBIOS_TABLE_ENTRY 1
  53
  54 static uint8_t *smbios_entries;
  55 static size_t smbios_entries_len;
  56 static bool smbios_legacy = true;
  57 static bool smbios_uuid_encoded = true;
  58 /* end: legacy structures & constants for <= 2.0 machines */
  59
  60
  61 uint8_t *smbios_tables;
  62 size_t smbios_tables_len;
  63 unsigned smbios_table_max;
  64 unsigned smbios_table_cnt;
  65 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
  66
  67 static SmbiosEntryPoint ep;
  68
  69 static int smbios_type4_count = 0;
  70 static bool smbios_immutable;
  71 static bool smbios_have_defaults;
  72 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
  73
  74 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
  75 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
  76
  77 static struct {
  78     const char *vendor, *version, *date;
  79     bool have_major_minor, uefi;
  80     uint8_t major, minor;
  81 } type0;
  82
  83 static struct {
  84     const char *manufacturer, *product, *version, *serial, *sku, *family;
  85     /* uuid is in qemu_uuid */
  86 } type1;
  87
  88 static struct {
  89     const char *manufacturer, *product, *version, *serial, *asset, *location;
  90 } type2;
  91
  92 static struct {
  93     const char *manufacturer, *version, *serial, *asset, *sku;
  94 } type3;
  95
  96 /*
  97  * SVVP requires max_speed and current_speed to be set and not being
  98  * 0 which counts as unknown (SMBIOS 3.1.0/Table 21). Set the
  99  * default value to 2000MHz as we did before.
 100  */
 101 #define DEFAULT_CPU_SPEED 2000
 102
 103 static struct {
 104     const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
 105     uint64_t max_speed;
 106     uint64_t current_speed;
 107     uint64_t processor_id;
 108 } type4 = {
 109     .max_speed = DEFAULT_CPU_SPEED,
 110     .current_speed = DEFAULT_CPU_SPEED,
 111     .processor_id = 0,
 112 };
 113
 114 static struct {
 115     size_t nvalues;
 116     char **values;
 117 } type11;
 118
 119 static struct {
 120     const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
 121     uint16_t speed;
 122 } type17;
 123
 124 static QEnumLookup type41_kind_lookup = {
 125     .array = (const char *const[]) {
 126         "other",
 127         "unknown",
 128         "video",
 129         "scsi",
 130         "ethernet",
 131         "tokenring",
 132         "sound",
 133         "pata",
 134         "sata",
 135         "sas",
 136     },
 137     .size = 10
 138 };
 139 struct type41_instance {
 140     const char *designation, *pcidev;
 141     uint8_t instance, kind;
 142     QTAILQ_ENTRY(type41_instance) next;
 143 };
 144 static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41);
 145
 146 static QemuOptsList qemu_smbios_opts = {
 147     .name = "smbios",
 148     .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
 149     .desc = {
 150         /*
 151          * no elements => accept any params
 152          * validation will happen later
 153          */
 154         { /* end of list */ }
 155     }
 156 };
 157
 158 static const QemuOptDesc qemu_smbios_file_opts[] = {
 159     {
 160         .name = "file",
 161         .type = QEMU_OPT_STRING,
 162         .help = "binary file containing an SMBIOS element",
 163     },
 164     { /* end of list */ }
 165 };
 166
 167 static const QemuOptDesc qemu_smbios_type0_opts[] = {
 168     {
 169         .name = "type",
 170         .type = QEMU_OPT_NUMBER,
 171         .help = "SMBIOS element type",
 172     },{
 173         .name = "vendor",
 174         .type = QEMU_OPT_STRING,
 175         .help = "vendor name",
 176     },{
 177         .name = "version",
 178         .type = QEMU_OPT_STRING,
 179         .help = "version number",
 180     },{
 181         .name = "date",
 182         .type = QEMU_OPT_STRING,
 183         .help = "release date",
 184     },{
 185         .name = "release",
 186         .type = QEMU_OPT_STRING,
 187         .help = "revision number",
 188     },{
 189         .name = "uefi",
 190         .type = QEMU_OPT_BOOL,
 191         .help = "uefi support",
 192     },
 193     { /* end of list */ }
 194 };
 195
 196 static const QemuOptDesc qemu_smbios_type1_opts[] = {
 197     {
 198         .name = "type",
 199         .type = QEMU_OPT_NUMBER,
 200         .help = "SMBIOS element type",
 201     },{
 202         .name = "manufacturer",
 203         .type = QEMU_OPT_STRING,
 204         .help = "manufacturer name",
 205     },{
 206         .name = "product",
 207         .type = QEMU_OPT_STRING,
 208         .help = "product name",
 209     },{
 210         .name = "version",
 211         .type = QEMU_OPT_STRING,
 212         .help = "version number",
 213     },{
 214         .name = "serial",
 215         .type = QEMU_OPT_STRING,
 216         .help = "serial number",
 217     },{
 218         .name = "uuid",
 219         .type = QEMU_OPT_STRING,
 220         .help = "UUID",
 221     },{
 222         .name = "sku",
 223         .type = QEMU_OPT_STRING,
 224         .help = "SKU number",
 225     },{
 226         .name = "family",
 227         .type = QEMU_OPT_STRING,
 228         .help = "family name",
 229     },
 230     { /* end of list */ }
 231 };
 232
 233 static const QemuOptDesc qemu_smbios_type2_opts[] = {
 234     {
 235         .name = "type",
 236         .type = QEMU_OPT_NUMBER,
 237         .help = "SMBIOS element type",
 238     },{
 239         .name = "manufacturer",
 240         .type = QEMU_OPT_STRING,
 241         .help = "manufacturer name",
 242     },{
 243         .name = "product",
 244         .type = QEMU_OPT_STRING,
 245         .help = "product name",
 246     },{
 247         .name = "version",
 248         .type = QEMU_OPT_STRING,
 249         .help = "version number",
 250     },{
 251         .name = "serial",
 252         .type = QEMU_OPT_STRING,
 253         .help = "serial number",
 254     },{
 255         .name = "asset",
 256         .type = QEMU_OPT_STRING,
 257         .help = "asset tag number",
 258     },{
 259         .name = "location",
 260         .type = QEMU_OPT_STRING,
 261         .help = "location in chassis",
 262     },
 263     { /* end of list */ }
 264 };
 265
 266 static const QemuOptDesc qemu_smbios_type3_opts[] = {
 267     {
 268         .name = "type",
 269         .type = QEMU_OPT_NUMBER,
 270         .help = "SMBIOS element type",
 271     },{
 272         .name = "manufacturer",
 273         .type = QEMU_OPT_STRING,
 274         .help = "manufacturer name",
 275     },{
 276         .name = "version",
 277         .type = QEMU_OPT_STRING,
 278         .help = "version number",
 279     },{
 280         .name = "serial",
 281         .type = QEMU_OPT_STRING,
 282         .help = "serial number",
 283     },{
 284         .name = "asset",
 285         .type = QEMU_OPT_STRING,
 286         .help = "asset tag number",
 287     },{
 288         .name = "sku",
 289         .type = QEMU_OPT_STRING,
 290         .help = "SKU number",
 291     },
 292     { /* end of list */ }
 293 };
 294
 295 static const QemuOptDesc qemu_smbios_type4_opts[] = {
 296     {
 297         .name = "type",
 298         .type = QEMU_OPT_NUMBER,
 299         .help = "SMBIOS element type",
 300     },{
 301         .name = "sock_pfx",
 302         .type = QEMU_OPT_STRING,
 303         .help = "socket designation string prefix",
 304     },{
 305         .name = "manufacturer",
 306         .type = QEMU_OPT_STRING,
 307         .help = "manufacturer name",
 308     },{
 309         .name = "version",
 310         .type = QEMU_OPT_STRING,
 311         .help = "version number",
 312     },{
 313         .name = "max-speed",
 314         .type = QEMU_OPT_NUMBER,
 315         .help = "max speed in MHz",
 316     },{
 317         .name = "current-speed",
 318         .type = QEMU_OPT_NUMBER,
 319         .help = "speed at system boot in MHz",
 320     },{
 321         .name = "serial",
 322         .type = QEMU_OPT_STRING,
 323         .help = "serial number",
 324     },{
 325         .name = "asset",
 326         .type = QEMU_OPT_STRING,
 327         .help = "asset tag number",
 328     },{
 329         .name = "part",
 330         .type = QEMU_OPT_STRING,
 331         .help = "part number",
 332     }, {
 333         .name = "processor-id",
 334         .type = QEMU_OPT_NUMBER,
 335         .help = "processor id",
 336     },
 337     { /* end of list */ }
 338 };
 339
 340 static const QemuOptDesc qemu_smbios_type11_opts[] = {
 341     {
 342         .name = "value",
 343         .type = QEMU_OPT_STRING,
 344         .help = "OEM string data",
 345     },
 346     {
 347         .name = "path",
 348         .type = QEMU_OPT_STRING,
 349         .help = "OEM string data from file",
 350     },
 351 };
 352
 353 static const QemuOptDesc qemu_smbios_type17_opts[] = {
 354     {
 355         .name = "type",
 356         .type = QEMU_OPT_NUMBER,
 357         .help = "SMBIOS element type",
 358     },{
 359         .name = "loc_pfx",
 360         .type = QEMU_OPT_STRING,
 361         .help = "device locator string prefix",
 362     },{
 363         .name = "bank",
 364         .type = QEMU_OPT_STRING,
 365         .help = "bank locator string",
 366     },{
 367         .name = "manufacturer",
 368         .type = QEMU_OPT_STRING,
 369         .help = "manufacturer name",
 370     },{
 371         .name = "serial",
 372         .type = QEMU_OPT_STRING,
 373         .help = "serial number",
 374     },{
 375         .name = "asset",
 376         .type = QEMU_OPT_STRING,
 377         .help = "asset tag number",
 378     },{
 379         .name = "part",
 380         .type = QEMU_OPT_STRING,
 381         .help = "part number",
 382     },{
 383         .name = "speed",
 384         .type = QEMU_OPT_NUMBER,
 385         .help = "maximum capable speed",
 386     },
 387     { /* end of list */ }
 388 };
 389
 390 static const QemuOptDesc qemu_smbios_type41_opts[] = {
 391     {
 392         .name = "type",
 393         .type = QEMU_OPT_NUMBER,
 394         .help = "SMBIOS element type",
 395     },{
 396         .name = "designation",
 397         .type = QEMU_OPT_STRING,
 398         .help = "reference designation string",
 399     },{
 400         .name = "kind",
 401         .type = QEMU_OPT_STRING,
 402         .help = "device type",
 403         .def_value_str = "other",
 404     },{
 405         .name = "instance",
 406         .type = QEMU_OPT_NUMBER,
 407         .help = "device type instance",
 408     },{
 409         .name = "pcidev",
 410         .type = QEMU_OPT_STRING,
 411         .help = "PCI device",
 412     },
 413     { /* end of list */ }
 414 };
 415
 416 static void smbios_register_config(void)
 417 {
 418     qemu_add_opts(&qemu_smbios_opts);
 419 }
 420
 421 opts_init(smbios_register_config);
 422
 423 /*
 424  * The SMBIOS 2.1 "structure table length" field in the
 425  * entry point uses a 16-bit integer, so we're limited
 426  * in total table size
 427  */
 428 #define SMBIOS_21_MAX_TABLES_LEN 0xffff
 429
 430 static void smbios_validate_table(MachineState *ms)
 431 {
 432     uint32_t expect_t4_count = smbios_legacy ?
 433                                         ms->smp.cpus : smbios_smp_sockets;
 434
 435     if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
 436         error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
 437                      expect_t4_count, smbios_type4_count);
 438         exit(1);
 439     }
 440
 441     if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
 442         smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) {
 443         error_report("SMBIOS 2.1 table length %zu exceeds %d",
 444                      smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN);
 445         exit(1);
 446     }
 447 }
 448
 449
 450 /* legacy setup functions for <= 2.0 machines */
 451 static void smbios_add_field(int type, int offset, const void *data, size_t len)
 452 {
 453     struct smbios_field *field;
 454
 455     if (!smbios_entries) {
 456         smbios_entries_len = sizeof(uint16_t);
 457         smbios_entries = g_malloc0(smbios_entries_len);
 458     }
 459     smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
 460                                                   sizeof(*field) + len);
 461     field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
 462     field->header.type = SMBIOS_FIELD_ENTRY;
 463     field->header.length = cpu_to_le16(sizeof(*field) + len);
 464
 465     field->type = type;
 466     field->offset = cpu_to_le16(offset);
 467     memcpy(field->data, data, len);
 468
 469     smbios_entries_len += sizeof(*field) + len;
 470     (*(uint16_t *)smbios_entries) =
 471             cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
 472 }
 473
 474 static void smbios_maybe_add_str(int type, int offset, const char *data)
 475 {
 476     if (data) {
 477         smbios_add_field(type, offset, data, strlen(data) + 1);
 478     }
 479 }
 480
 481 static void smbios_build_type_0_fields(void)
 482 {
 483     smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
 484                          type0.vendor);
 485     smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
 486                          type0.version);
 487     smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
 488                                      bios_release_date_str),
 489                          type0.date);
 490     if (type0.have_major_minor) {
 491         smbios_add_field(0, offsetof(struct smbios_type_0,
 492                                      system_bios_major_release),
 493                          &type0.major, 1);
 494         smbios_add_field(0, offsetof(struct smbios_type_0,
 495                                      system_bios_minor_release),
 496                          &type0.minor, 1);
 497     }
 498 }
 499
 500 static void smbios_build_type_1_fields(void)
 501 {
 502     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
 503                          type1.manufacturer);
 504     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
 505                          type1.product);
 506     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
 507                          type1.version);
 508     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
 509                          type1.serial);
 510     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
 511                          type1.sku);
 512     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
 513                          type1.family);
 514     if (qemu_uuid_set) {
 515         /* We don't encode the UUID in the "wire format" here because this
 516          * function is for legacy mode and needs to keep the guest ABI, and
 517          * because we don't know what's the SMBIOS version advertised by the
 518          * BIOS.
 519          */
 520         smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
 521                          &qemu_uuid, 16);
 522     }
 523 }
 524
 525 uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
 526 {
 527     if (!smbios_legacy) {
 528         *length = 0;
 529         return NULL;
 530     }
 531
 532     if (!smbios_immutable) {
 533         smbios_build_type_0_fields();
 534         smbios_build_type_1_fields();
 535         smbios_validate_table(ms);
 536         smbios_immutable = true;
 537     }
 538     *length = smbios_entries_len;
 539     return smbios_entries;
 540 }
 541 /* end: legacy setup functions for <= 2.0 machines */
 542
 543
 544 bool smbios_skip_table(uint8_t type, bool required_table)
 545 {
 546     if (test_bit(type, have_binfile_bitmap)) {
 547         return true; /* user provided their own binary blob(s) */
 548     }
 549     if (test_bit(type, have_fields_bitmap)) {
 550         return false; /* user provided fields via command line */
 551     }
 552     if (smbios_have_defaults && required_table) {
 553         return false; /* we're building tables, and this one's required */
 554     }
 555     return true;
 556 }
 557
 558 #define T0_BASE 0x000
 559 #define T1_BASE 0x100
 560 #define T2_BASE 0x200
 561 #define T3_BASE 0x300
 562 #define T4_BASE 0x400
 563 #define T11_BASE 0xe00
 564
 565 #define T16_BASE 0x1000
 566 #define T17_BASE 0x1100
 567 #define T19_BASE 0x1300
 568 #define T32_BASE 0x2000
 569 #define T41_BASE 0x2900
 570 #define T127_BASE 0x7F00
 571
 572 static void smbios_build_type_0_table(void)
 573 {
 574     SMBIOS_BUILD_TABLE_PRE(0, T0_BASE, false); /* optional, leave up to BIOS */
 575
 576     SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
 577     SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
 578
 579     t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
 580
 581     SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
 582
 583     t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
 584
 585     t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
 586     t->bios_characteristics_extension_bytes[0] = 0;
 587     t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
 588     if (type0.uefi) {
 589         t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
 590     }
 591
 592     if (type0.have_major_minor) {
 593         t->system_bios_major_release = type0.major;
 594         t->system_bios_minor_release = type0.minor;
 595     } else {
 596         t->system_bios_major_release = 0;
 597         t->system_bios_minor_release = 0;
 598     }
 599
 600     /* hardcoded in SeaBIOS */
 601     t->embedded_controller_major_release = 0xFF;
 602     t->embedded_controller_minor_release = 0xFF;
 603
 604     SMBIOS_BUILD_TABLE_POST;
 605 }
 606
 607 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
 608  * format specified by SMBIOS version 2.6.
 609  */
 610 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
 611 {
 612     memcpy(uuid, in, 16);
 613     if (smbios_uuid_encoded) {
 614         uuid->time_low = bswap32(uuid->time_low);
 615         uuid->time_mid = bswap16(uuid->time_mid);
 616         uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
 617     }
 618 }
 619
 620 static void smbios_build_type_1_table(void)
 621 {
 622     SMBIOS_BUILD_TABLE_PRE(1, T1_BASE, true); /* required */
 623
 624     SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
 625     SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
 626     SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
 627     SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
 628     if (qemu_uuid_set) {
 629         smbios_encode_uuid(&t->uuid, &qemu_uuid);
 630     } else {
 631         memset(&t->uuid, 0, 16);
 632     }
 633     t->wake_up_type = 0x06; /* power switch */
 634     SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
 635     SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
 636
 637     SMBIOS_BUILD_TABLE_POST;
 638 }
 639
 640 static void smbios_build_type_2_table(void)
 641 {
 642     SMBIOS_BUILD_TABLE_PRE(2, T2_BASE, false); /* optional */
 643
 644     SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
 645     SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
 646     SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
 647     SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
 648     SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
 649     t->feature_flags = 0x01; /* Motherboard */
 650     SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
 651     t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
 652     t->board_type = 0x0A; /* Motherboard */
 653     t->contained_element_count = 0;
 654
 655     SMBIOS_BUILD_TABLE_POST;
 656 }
 657
 658 static void smbios_build_type_3_table(void)
 659 {
 660     SMBIOS_BUILD_TABLE_PRE(3, T3_BASE, true); /* required */
 661
 662     SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
 663     t->type = 0x01; /* Other */
 664     SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
 665     SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
 666     SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
 667     t->boot_up_state = 0x03; /* Safe */
 668     t->power_supply_state = 0x03; /* Safe */
 669     t->thermal_state = 0x03; /* Safe */
 670     t->security_status = 0x02; /* Unknown */
 671     t->oem_defined = cpu_to_le32(0);
 672     t->height = 0;
 673     t->number_of_power_cords = 0;
 674     t->contained_element_count = 0;
 675     t->contained_element_record_length = 0;
 676     SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
 677
 678     SMBIOS_BUILD_TABLE_POST;
 679 }
 680
 681 static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
 682 {
 683     char sock_str[128];
 684
 685     SMBIOS_BUILD_TABLE_PRE(4, T4_BASE + instance, true); /* required */
 686
 687     snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
 688     SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
 689     t->processor_type = 0x03; /* CPU */
 690     t->processor_family = 0x01; /* Other */
 691     SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
 692     if (type4.processor_id == 0) {
 693         t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
 694         t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
 695     } else {
 696         t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id);
 697         t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32);
 698     }
 699     SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
 700     t->voltage = 0;
 701     t->external_clock = cpu_to_le16(0); /* Unknown */
 702     t->max_speed = cpu_to_le16(type4.max_speed);
 703     t->current_speed = cpu_to_le16(type4.current_speed);
 704     t->status = 0x41; /* Socket populated, CPU enabled */
 705     t->processor_upgrade = 0x01; /* Other */
 706     t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 707     t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 708     t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 709     SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
 710     SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
 711     SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
 712     t->core_count = t->core_enabled = ms->smp.cores;
 713     t->thread_count = ms->smp.threads;
 714     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
 715     t->processor_family2 = cpu_to_le16(0x01); /* Other */
 716
 717     SMBIOS_BUILD_TABLE_POST;
 718     smbios_type4_count++;
 719 }
 720
 721 static void smbios_build_type_11_table(void)
 722 {
 723     char count_str[128];
 724     size_t i;
 725
 726     if (type11.nvalues == 0) {
 727         return;
 728     }
 729
 730     SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */
 731
 732     snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
 733     t->count = type11.nvalues;
 734
 735     for (i = 0; i < type11.nvalues; i++) {
 736         SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
 737         g_free(type11.values[i]);
 738         type11.values[i] = NULL;
 739     }
 740
 741     SMBIOS_BUILD_TABLE_POST;
 742 }
 743
 744 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
 745
 746 static void smbios_build_type_16_table(unsigned dimm_cnt)
 747 {
 748     uint64_t size_kb;
 749
 750     SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */
 751
 752     t->location = 0x01; /* Other */
 753     t->use = 0x03; /* System memory */
 754     t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
 755     size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB;
 756     if (size_kb < MAX_T16_STD_SZ) {
 757         t->maximum_capacity = cpu_to_le32(size_kb);
 758         t->extended_maximum_capacity = cpu_to_le64(0);
 759     } else {
 760         t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
 761         t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size);
 762     }
 763     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 764     t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
 765
 766     SMBIOS_BUILD_TABLE_POST;
 767 }
 768
 769 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
 770 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
 771
 772 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
 773 {
 774     char loc_str[128];
 775     uint64_t size_mb;
 776
 777     SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */
 778
 779     t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 780     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 781     t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
 782     t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
 783     size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
 784     if (size_mb < MAX_T17_STD_SZ) {
 785         t->size = cpu_to_le16(size_mb);
 786         t->extended_size = cpu_to_le32(0);
 787     } else {
 788         assert(size_mb < MAX_T17_EXT_SZ);
 789         t->size = cpu_to_le16(MAX_T17_STD_SZ);
 790         t->extended_size = cpu_to_le32(size_mb);
 791     }
 792     t->form_factor = 0x09; /* DIMM */
 793     t->device_set = 0; /* Not in a set */
 794     snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
 795     SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
 796     SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
 797     t->memory_type = 0x07; /* RAM */
 798     t->type_detail = cpu_to_le16(0x02); /* Other */
 799     t->speed = cpu_to_le16(type17.speed);
 800     SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
 801     SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
 802     SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
 803     SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
 804     t->attributes = 0; /* Unknown */
 805     t->configured_clock_speed = t->speed; /* reuse value for max speed */
 806     t->minimum_voltage = cpu_to_le16(0); /* Unknown */
 807     t->maximum_voltage = cpu_to_le16(0); /* Unknown */
 808     t->configured_voltage = cpu_to_le16(0); /* Unknown */
 809
 810     SMBIOS_BUILD_TABLE_POST;
 811 }
 812
 813 static void smbios_build_type_19_table(unsigned instance, unsigned offset,
 814                                        uint64_t start, uint64_t size)
 815 {
 816     uint64_t end, start_kb, end_kb;
 817
 818     SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance,
 819                            true); /* required */
 820
 821     end = start + size - 1;
 822     assert(end > start);
 823     start_kb = start / KiB;
 824     end_kb = end / KiB;
 825     if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
 826         t->starting_address = cpu_to_le32(start_kb);
 827         t->ending_address = cpu_to_le32(end_kb);
 828         t->extended_starting_address =
 829             t->extended_ending_address = cpu_to_le64(0);
 830     } else {
 831         t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
 832         t->extended_starting_address = cpu_to_le64(start);
 833         t->extended_ending_address = cpu_to_le64(end);
 834     }
 835     t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 836     t->partition_width = 1; /* One device per row */
 837
 838     SMBIOS_BUILD_TABLE_POST;
 839 }
 840
 841 static void smbios_build_type_32_table(void)
 842 {
 843     SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */
 844
 845     memset(t->reserved, 0, 6);
 846     t->boot_status = 0; /* No errors detected */
 847
 848     SMBIOS_BUILD_TABLE_POST;
 849 }
 850
 851 static void smbios_build_type_41_table(Error **errp)
 852 {
 853     unsigned instance = 0;
 854     struct type41_instance *t41;
 855
 856     QTAILQ_FOREACH(t41, &type41, next) {
 857         SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true);
 858
 859         SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation);
 860         t->device_type = t41->kind;
 861         t->device_type_instance = t41->instance;
 862         t->segment_group_number = cpu_to_le16(0);
 863         t->bus_number = 0;
 864         t->device_number = 0;
 865
 866         if (t41->pcidev) {
 867             PCIDevice *pdev = NULL;
 868             int rc = pci_qdev_find_device(t41->pcidev, &pdev);
 869             if (rc != 0) {
 870                 error_setg(errp,
 871                            "No PCI device %s for SMBIOS type 41 entry %s",
 872                            t41->pcidev, t41->designation);
 873                 return;
 874             }
 875             /*
 876              * We only handle the case were the device is attached to
 877              * the PCI root bus. The general case is more complex as
 878              * bridges are enumerated later and the table would need
 879              * to be updated at this moment.
 880              */
 881             if (!pci_bus_is_root(pci_get_bus(pdev))) {
 882                 error_setg(errp,
 883                            "Cannot create type 41 entry for PCI device %s: "
 884                            "not attached to the root bus",
 885                            t41->pcidev);
 886                 return;
 887             }
 888             t->segment_group_number = cpu_to_le16(0);
 889             t->bus_number = pci_dev_bus_num(pdev);
 890             t->device_number = pdev->devfn;
 891         }
 892
 893         SMBIOS_BUILD_TABLE_POST;
 894         instance++;
 895     }
 896 }
 897
 898 static void smbios_build_type_127_table(void)
 899 {
 900     SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */
 901     SMBIOS_BUILD_TABLE_POST;
 902 }
 903
 904 void smbios_set_cpuid(uint32_t version, uint32_t features)
 905 {
 906     smbios_cpuid_version = version;
 907     smbios_cpuid_features = features;
 908 }
 909
 910 #define SMBIOS_SET_DEFAULT(field, value)                                  \
 911     if (!field) {                                                         \
 912         field = value;                                                    \
 913     }
 914
 915 void smbios_set_defaults(const char *manufacturer, const char *product,
 916                          const char *version, bool legacy_mode,
 917                          bool uuid_encoded, SmbiosEntryPointType ep_type)
 918 {
 919     smbios_have_defaults = true;
 920     smbios_legacy = legacy_mode;
 921     smbios_uuid_encoded = uuid_encoded;
 922     smbios_ep_type = ep_type;
 923
 924     /* drop unwanted version of command-line file blob(s) */
 925     if (smbios_legacy) {
 926         g_free(smbios_tables);
 927         /* in legacy mode, also complain if fields were given for types > 1 */
 928         if (find_next_bit(have_fields_bitmap,
 929                           SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
 930             error_report("can't process fields for smbios "
 931                          "types > 1 on machine versions < 2.1!");
 932             exit(1);
 933         }
 934     } else {
 935         g_free(smbios_entries);
 936     }
 937
 938     SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
 939     SMBIOS_SET_DEFAULT(type1.product, product);
 940     SMBIOS_SET_DEFAULT(type1.version, version);
 941     SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
 942     SMBIOS_SET_DEFAULT(type2.product, product);
 943     SMBIOS_SET_DEFAULT(type2.version, version);
 944     SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
 945     SMBIOS_SET_DEFAULT(type3.version, version);
 946     SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
 947     SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
 948     SMBIOS_SET_DEFAULT(type4.version, version);
 949     SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
 950     SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
 951 }
 952
 953 static void smbios_entry_point_setup(void)
 954 {
 955     switch (smbios_ep_type) {
 956     case SMBIOS_ENTRY_POINT_TYPE_32:
 957         memcpy(ep.ep21.anchor_string, "_SM_", 4);
 958         memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
 959         ep.ep21.length = sizeof(struct smbios_21_entry_point);
 960         ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
 961         memset(ep.ep21.formatted_area, 0, 5);
 962
 963         /* compliant with smbios spec v2.8 */
 964         ep.ep21.smbios_major_version = 2;
 965         ep.ep21.smbios_minor_version = 8;
 966         ep.ep21.smbios_bcd_revision = 0x28;
 967
 968         /* set during table construction, but BIOS may override: */
 969         ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
 970         ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
 971         ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
 972
 973         /* BIOS must recalculate */
 974         ep.ep21.checksum = 0;
 975         ep.ep21.intermediate_checksum = 0;
 976         ep.ep21.structure_table_address = cpu_to_le32(0);
 977
 978         break;
 979     case SMBIOS_ENTRY_POINT_TYPE_64:
 980         memcpy(ep.ep30.anchor_string, "_SM3_", 5);
 981         ep.ep30.length = sizeof(struct smbios_30_entry_point);
 982         ep.ep30.entry_point_revision = 1;
 983         ep.ep30.reserved = 0;
 984
 985         /* compliant with smbios spec 3.0 */
 986         ep.ep30.smbios_major_version = 3;
 987         ep.ep30.smbios_minor_version = 0;
 988         ep.ep30.smbios_doc_rev = 0;
 989
 990         /* set during table construct, but BIOS might override */
 991         ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
 992
 993         /* BIOS must recalculate */
 994         ep.ep30.checksum = 0;
 995         ep.ep30.structure_table_address = cpu_to_le64(0);
 996
 997         break;
 998     default:
 999         abort();
1000         break;
1001     }
1002 }
1003
1004 void smbios_get_tables(MachineState *ms,
1005                        const struct smbios_phys_mem_area *mem_array,
1006                        const unsigned int mem_array_size,
1007                        uint8_t **tables, size_t *tables_len,
1008                        uint8_t **anchor, size_t *anchor_len,
1009                        Error **errp)
1010 {
1011     unsigned i, dimm_cnt, offset;
1012
1013     if (smbios_legacy) {
1014         *tables = *anchor = NULL;
1015         *tables_len = *anchor_len = 0;
1016         return;
1017     }
1018
1019     if (!smbios_immutable) {
1020         smbios_build_type_0_table();
1021         smbios_build_type_1_table();
1022         smbios_build_type_2_table();
1023         smbios_build_type_3_table();
1024
1025         smbios_smp_sockets = DIV_ROUND_UP(ms->smp.cpus,
1026                                           ms->smp.cores * ms->smp.threads);
1027         assert(smbios_smp_sockets >= 1);
1028
1029         for (i = 0; i < smbios_smp_sockets; i++) {
1030             smbios_build_type_4_table(ms, i);
1031         }
1032
1033         smbios_build_type_11_table();
1034
1035 #define MAX_DIMM_SZ (16 * GiB)
1036 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
1037                                         : ((current_machine->ram_size - 1) % MAX_DIMM_SZ) + 1)
1038
1039         dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
1040
1041         /*
1042          * The offset determines if we need to keep additional space betweeen
1043          * table 17 and table 19 header handle numbers so that they do
1044          * not overlap. For example, for a VM with larger than 8 TB guest
1045          * memory and DIMM like chunks of 16 GiB, the default space between
1046          * the two tables (T19_BASE - T17_BASE = 512) is not enough.
1047          */
1048         offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \
1049                  dimm_cnt - (T19_BASE - T17_BASE) : 0;
1050
1051         smbios_build_type_16_table(dimm_cnt);
1052
1053         for (i = 0; i < dimm_cnt; i++) {
1054             smbios_build_type_17_table(i, GET_DIMM_SZ);
1055         }
1056
1057         for (i = 0; i < mem_array_size; i++) {
1058             smbios_build_type_19_table(i, offset, mem_array[i].address,
1059                                        mem_array[i].length);
1060         }
1061
1062         /*
1063          * make sure 16 bit handle numbers in the headers of tables 19
1064          * and 32 do not overlap.
1065          */
1066         assert((mem_array_size + offset) < (T32_BASE - T19_BASE));
1067
1068         smbios_build_type_32_table();
1069         smbios_build_type_38_table();
1070         smbios_build_type_41_table(errp);
1071         smbios_build_type_127_table();
1072
1073         smbios_validate_table(ms);
1074         smbios_entry_point_setup();
1075         smbios_immutable = true;
1076     }
1077
1078     /* return tables blob and entry point (anchor), and their sizes */
1079     *tables = smbios_tables;
1080     *tables_len = smbios_tables_len;
1081     *anchor = (uint8_t *)&ep;
1082
1083     /* calculate length based on anchor string */
1084     if (!strncmp((char *)&ep, "_SM_", 4)) {
1085         *anchor_len = sizeof(struct smbios_21_entry_point);
1086     } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
1087         *anchor_len = sizeof(struct smbios_30_entry_point);
1088     } else {
1089         abort();
1090     }
1091 }
1092
1093 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
1094 {
1095     const char *val = qemu_opt_get(opts, name);
1096
1097     if (val) {
1098         *dest = val;
1099     }
1100 }
1101
1102
1103 struct opt_list {
1104     size_t *ndest;
1105     char ***dest;
1106 };
1107
1108 static int save_opt_one(void *opaque,
1109                         const char *name, const char *value,
1110                         Error **errp)
1111 {
1112     struct opt_list *opt = opaque;
1113
1114     if (g_str_equal(name, "path")) {
1115         g_autoptr(GByteArray) data = g_byte_array_new();
1116         g_autofree char *buf = g_new(char, 4096);
1117         ssize_t ret;
1118         int fd = qemu_open(value, O_RDONLY, errp);
1119         if (fd < 0) {
1120             return -1;
1121         }
1122
1123         while (1) {
1124             ret = read(fd, buf, 4096);
1125             if (ret == 0) {
1126                 break;
1127             }
1128             if (ret < 0) {
1129                 error_setg(errp, "Unable to read from %s: %s",
1130                            value, strerror(errno));
1131                 qemu_close(fd);
1132                 return -1;
1133             }
1134             if (memchr(buf, '\0', ret)) {
1135                 error_setg(errp, "NUL in OEM strings value in %s", value);
1136                 qemu_close(fd);
1137                 return -1;
1138             }
1139             g_byte_array_append(data, (guint8 *)buf, ret);
1140         }
1141
1142         qemu_close(fd);
1143
1144         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1145         (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data,  FALSE);
1146         (*opt->ndest)++;
1147         data = NULL;
1148    } else if (g_str_equal(name, "value")) {
1149         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1150         (*opt->dest)[*opt->ndest] = g_strdup(value);
1151         (*opt->ndest)++;
1152     } else if (!g_str_equal(name, "type")) {
1153         error_setg(errp, "Unexpected option %s", name);
1154         return -1;
1155     }
1156
1157     return 0;
1158 }
1159
1160 static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts,
1161                           Error **errp)
1162 {
1163     struct opt_list opt = {
1164         ndest, dest,
1165     };
1166     if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) {
1167         return false;
1168     }
1169     return true;
1170 }
1171
1172 void smbios_entry_add(QemuOpts *opts, Error **errp)
1173 {
1174     const char *val;
1175
1176     assert(!smbios_immutable);
1177
1178     val = qemu_opt_get(opts, "file");
1179     if (val) {
1180         struct smbios_structure_header *header;
1181         int size;
1182         struct smbios_table *table; /* legacy mode only */
1183
1184         if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
1185             return;
1186         }
1187
1188         size = get_image_size(val);
1189         if (size == -1 || size < sizeof(struct smbios_structure_header)) {
1190             error_setg(errp, "Cannot read SMBIOS file %s", val);
1191             return;
1192         }
1193
1194         /*
1195          * NOTE: standard double '\0' terminator expected, per smbios spec.
1196          * (except in legacy mode, where the second '\0' is implicit and
1197          *  will be inserted by the BIOS).
1198          */
1199         smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
1200         header = (struct smbios_structure_header *)(smbios_tables +
1201                                                     smbios_tables_len);
1202
1203         if (load_image_size(val, (uint8_t *)header, size) != size) {
1204             error_setg(errp, "Failed to load SMBIOS file %s", val);
1205             return;
1206         }
1207
1208         if (test_bit(header->type, have_fields_bitmap)) {
1209             error_setg(errp,
1210                        "can't load type %d struct, fields already specified!",
1211                        header->type);
1212             return;
1213         }
1214         set_bit(header->type, have_binfile_bitmap);
1215
1216         if (header->type == 4) {
1217             smbios_type4_count++;
1218         }
1219
1220         smbios_tables_len += size;
1221         if (size > smbios_table_max) {
1222             smbios_table_max = size;
1223         }
1224         smbios_table_cnt++;
1225
1226         /* add a copy of the newly loaded blob to legacy smbios_entries */
1227         /* NOTE: This code runs before smbios_set_defaults(), so we don't
1228          *       yet know which mode (legacy vs. aggregate-table) will be
1229          *       required. We therefore add the binary blob to both legacy
1230          *       (smbios_entries) and aggregate (smbios_tables) tables, and
1231          *       delete the one we don't need from smbios_set_defaults(),
1232          *       once we know which machine version has been requested.
1233          */
1234         if (!smbios_entries) {
1235             smbios_entries_len = sizeof(uint16_t);
1236             smbios_entries = g_malloc0(smbios_entries_len);
1237         }
1238         smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1239                                                    size + sizeof(*table));
1240         table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1241         table->header.type = SMBIOS_TABLE_ENTRY;
1242         table->header.length = cpu_to_le16(sizeof(*table) + size);
1243         memcpy(table->data, header, size);
1244         smbios_entries_len += sizeof(*table) + size;
1245         (*(uint16_t *)smbios_entries) =
1246                 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1247         /* end: add a copy of the newly loaded blob to legacy smbios_entries */
1248
1249         return;
1250     }
1251
1252     val = qemu_opt_get(opts, "type");
1253     if (val) {
1254         unsigned long type = strtoul(val, NULL, 0);
1255
1256         if (type > SMBIOS_MAX_TYPE) {
1257             error_setg(errp, "out of range!");
1258             return;
1259         }
1260
1261         if (test_bit(type, have_binfile_bitmap)) {
1262             error_setg(errp, "can't add fields, binary file already loaded!");
1263             return;
1264         }
1265         set_bit(type, have_fields_bitmap);
1266
1267         switch (type) {
1268         case 0:
1269             if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
1270                 return;
1271             }
1272             save_opt(&type0.vendor, opts, "vendor");
1273             save_opt(&type0.version, opts, "version");
1274             save_opt(&type0.date, opts, "date");
1275             type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1276
1277             val = qemu_opt_get(opts, "release");
1278             if (val) {
1279                 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1280                     error_setg(errp, "Invalid release");
1281                     return;
1282                 }
1283                 type0.have_major_minor = true;
1284             }
1285             return;
1286         case 1:
1287             if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
1288                 return;
1289             }
1290             save_opt(&type1.manufacturer, opts, "manufacturer");
1291             save_opt(&type1.product, opts, "product");
1292             save_opt(&type1.version, opts, "version");
1293             save_opt(&type1.serial, opts, "serial");
1294             save_opt(&type1.sku, opts, "sku");
1295             save_opt(&type1.family, opts, "family");
1296
1297             val = qemu_opt_get(opts, "uuid");
1298             if (val) {
1299                 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1300                     error_setg(errp, "Invalid UUID");
1301                     return;
1302                 }
1303                 qemu_uuid_set = true;
1304             }
1305             return;
1306         case 2:
1307             if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
1308                 return;
1309             }
1310             save_opt(&type2.manufacturer, opts, "manufacturer");
1311             save_opt(&type2.product, opts, "product");
1312             save_opt(&type2.version, opts, "version");
1313             save_opt(&type2.serial, opts, "serial");
1314             save_opt(&type2.asset, opts, "asset");
1315             save_opt(&type2.location, opts, "location");
1316             return;
1317         case 3:
1318             if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
1319                 return;
1320             }
1321             save_opt(&type3.manufacturer, opts, "manufacturer");
1322             save_opt(&type3.version, opts, "version");
1323             save_opt(&type3.serial, opts, "serial");
1324             save_opt(&type3.asset, opts, "asset");
1325             save_opt(&type3.sku, opts, "sku");
1326             return;
1327         case 4:
1328             if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
1329                 return;
1330             }
1331             save_opt(&type4.sock_pfx, opts, "sock_pfx");
1332             save_opt(&type4.manufacturer, opts, "manufacturer");
1333             save_opt(&type4.version, opts, "version");
1334             save_opt(&type4.serial, opts, "serial");
1335             save_opt(&type4.asset, opts, "asset");
1336             save_opt(&type4.part, opts, "part");
1337             /* If the value is 0, it will take the value from the CPU model. */
1338             type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0);
1339             type4.max_speed = qemu_opt_get_number(opts, "max-speed",
1340                                                   DEFAULT_CPU_SPEED);
1341             type4.current_speed = qemu_opt_get_number(opts, "current-speed",
1342                                                       DEFAULT_CPU_SPEED);
1343             if (type4.max_speed > UINT16_MAX ||
1344                 type4.current_speed > UINT16_MAX) {
1345                 error_setg(errp, "SMBIOS CPU speed is too large (> %d)",
1346                            UINT16_MAX);
1347             }
1348             return;
1349         case 11:
1350             if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
1351                 return;
1352             }
1353             if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) {
1354                 return;
1355             }
1356             return;
1357         case 17:
1358             if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
1359                 return;
1360             }
1361             save_opt(&type17.loc_pfx, opts, "loc_pfx");
1362             save_opt(&type17.bank, opts, "bank");
1363             save_opt(&type17.manufacturer, opts, "manufacturer");
1364             save_opt(&type17.serial, opts, "serial");
1365             save_opt(&type17.asset, opts, "asset");
1366             save_opt(&type17.part, opts, "part");
1367             type17.speed = qemu_opt_get_number(opts, "speed", 0);
1368             return;
1369         case 41: {
1370             struct type41_instance *t;
1371             Error *local_err = NULL;
1372
1373             if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) {
1374                 return;
1375             }
1376             t = g_new0(struct type41_instance, 1);
1377             save_opt(&t->designation, opts, "designation");
1378             t->kind = qapi_enum_parse(&type41_kind_lookup,
1379                                       qemu_opt_get(opts, "kind"),
1380                                       0, &local_err) + 1;
1381             t->kind |= 0x80;     /* enabled */
1382             if (local_err != NULL) {
1383                 error_propagate(errp, local_err);
1384                 g_free(t);
1385                 return;
1386             }
1387             t->instance = qemu_opt_get_number(opts, "instance", 1);
1388             save_opt(&t->pcidev, opts, "pcidev");
1389
1390             QTAILQ_INSERT_TAIL(&type41, t, next);
1391             return;
1392         }
1393         default:
1394             error_setg(errp,
1395                        "Don't know how to build fields for SMBIOS type %ld",
1396                        type);
1397             return;
1398         }
1399     }
1400
1401     error_setg(errp, "Must specify type= or file=");
1402 }