qemu/hw/smbios/smbios.c
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   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 "hw/pci/pci_device.h"
  32#include "smbios_build.h"
  33
  34/* legacy structures and constants for <= 2.0 machines */
  35struct smbios_header {
  36    uint16_t length;
  37    uint8_t type;
  38} QEMU_PACKED;
  39
  40struct smbios_field {
  41    struct smbios_header header;
  42    uint8_t type;
  43    uint16_t offset;
  44    uint8_t data[];
  45} QEMU_PACKED;
  46
  47struct smbios_table {
  48    struct smbios_header header;
  49    uint8_t data[];
  50} QEMU_PACKED;
  51
  52#define SMBIOS_FIELD_ENTRY 0
  53#define SMBIOS_TABLE_ENTRY 1
  54
  55static uint8_t *smbios_entries;
  56static size_t smbios_entries_len;
  57static bool smbios_legacy = true;
  58static bool smbios_uuid_encoded = true;
  59/* end: legacy structures & constants for <= 2.0 machines */
  60
  61
  62uint8_t *smbios_tables;
  63size_t smbios_tables_len;
  64unsigned smbios_table_max;
  65unsigned smbios_table_cnt;
  66static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
  67
  68static SmbiosEntryPoint ep;
  69
  70static int smbios_type4_count = 0;
  71static bool smbios_immutable;
  72static bool smbios_have_defaults;
  73static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
  74
  75static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
  76static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
  77
  78static struct {
  79    const char *vendor, *version, *date;
  80    bool have_major_minor, uefi;
  81    uint8_t major, minor;
  82} type0;
  83
  84static struct {
  85    const char *manufacturer, *product, *version, *serial, *sku, *family;
  86    /* uuid is in qemu_uuid */
  87} type1;
  88
  89static struct {
  90    const char *manufacturer, *product, *version, *serial, *asset, *location;
  91} type2;
  92
  93static struct {
  94    const char *manufacturer, *version, *serial, *asset, *sku;
  95} type3;
  96
  97/*
  98 * SVVP requires max_speed and current_speed to be set and not being
  99 * 0 which counts as unknown (SMBIOS 3.1.0/Table 21). Set the
 100 * default value to 2000MHz as we did before.
 101 */
 102#define DEFAULT_CPU_SPEED 2000
 103
 104static struct {
 105    const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
 106    uint64_t max_speed;
 107    uint64_t current_speed;
 108    uint64_t processor_id;
 109} type4 = {
 110    .max_speed = DEFAULT_CPU_SPEED,
 111    .current_speed = DEFAULT_CPU_SPEED,
 112    .processor_id = 0,
 113};
 114
 115struct type8_instance {
 116    const char *internal_reference, *external_reference;
 117    uint8_t connector_type, port_type;
 118    QTAILQ_ENTRY(type8_instance) next;
 119};
 120static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
 121
 122static struct {
 123    size_t nvalues;
 124    char **values;
 125} type11;
 126
 127static struct {
 128    const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
 129    uint16_t speed;
 130} type17;
 131
 132static QEnumLookup type41_kind_lookup = {
 133    .array = (const char *const[]) {
 134        "other",
 135        "unknown",
 136        "video",
 137        "scsi",
 138        "ethernet",
 139        "tokenring",
 140        "sound",
 141        "pata",
 142        "sata",
 143        "sas",
 144    },
 145    .size = 10
 146};
 147struct type41_instance {
 148    const char *designation, *pcidev;
 149    uint8_t instance, kind;
 150    QTAILQ_ENTRY(type41_instance) next;
 151};
 152static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41);
 153
 154static QemuOptsList qemu_smbios_opts = {
 155    .name = "smbios",
 156    .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
 157    .desc = {
 158        /*
 159         * no elements => accept any params
 160         * validation will happen later
 161         */
 162        { /* end of list */ }
 163    }
 164};
 165
 166static const QemuOptDesc qemu_smbios_file_opts[] = {
 167    {
 168        .name = "file",
 169        .type = QEMU_OPT_STRING,
 170        .help = "binary file containing an SMBIOS element",
 171    },
 172    { /* end of list */ }
 173};
 174
 175static const QemuOptDesc qemu_smbios_type0_opts[] = {
 176    {
 177        .name = "type",
 178        .type = QEMU_OPT_NUMBER,
 179        .help = "SMBIOS element type",
 180    },{
 181        .name = "vendor",
 182        .type = QEMU_OPT_STRING,
 183        .help = "vendor name",
 184    },{
 185        .name = "version",
 186        .type = QEMU_OPT_STRING,
 187        .help = "version number",
 188    },{
 189        .name = "date",
 190        .type = QEMU_OPT_STRING,
 191        .help = "release date",
 192    },{
 193        .name = "release",
 194        .type = QEMU_OPT_STRING,
 195        .help = "revision number",
 196    },{
 197        .name = "uefi",
 198        .type = QEMU_OPT_BOOL,
 199        .help = "uefi support",
 200    },
 201    { /* end of list */ }
 202};
 203
 204static const QemuOptDesc qemu_smbios_type1_opts[] = {
 205    {
 206        .name = "type",
 207        .type = QEMU_OPT_NUMBER,
 208        .help = "SMBIOS element type",
 209    },{
 210        .name = "manufacturer",
 211        .type = QEMU_OPT_STRING,
 212        .help = "manufacturer name",
 213    },{
 214        .name = "product",
 215        .type = QEMU_OPT_STRING,
 216        .help = "product name",
 217    },{
 218        .name = "version",
 219        .type = QEMU_OPT_STRING,
 220        .help = "version number",
 221    },{
 222        .name = "serial",
 223        .type = QEMU_OPT_STRING,
 224        .help = "serial number",
 225    },{
 226        .name = "uuid",
 227        .type = QEMU_OPT_STRING,
 228        .help = "UUID",
 229    },{
 230        .name = "sku",
 231        .type = QEMU_OPT_STRING,
 232        .help = "SKU number",
 233    },{
 234        .name = "family",
 235        .type = QEMU_OPT_STRING,
 236        .help = "family name",
 237    },
 238    { /* end of list */ }
 239};
 240
 241static const QemuOptDesc qemu_smbios_type2_opts[] = {
 242    {
 243        .name = "type",
 244        .type = QEMU_OPT_NUMBER,
 245        .help = "SMBIOS element type",
 246    },{
 247        .name = "manufacturer",
 248        .type = QEMU_OPT_STRING,
 249        .help = "manufacturer name",
 250    },{
 251        .name = "product",
 252        .type = QEMU_OPT_STRING,
 253        .help = "product name",
 254    },{
 255        .name = "version",
 256        .type = QEMU_OPT_STRING,
 257        .help = "version number",
 258    },{
 259        .name = "serial",
 260        .type = QEMU_OPT_STRING,
 261        .help = "serial number",
 262    },{
 263        .name = "asset",
 264        .type = QEMU_OPT_STRING,
 265        .help = "asset tag number",
 266    },{
 267        .name = "location",
 268        .type = QEMU_OPT_STRING,
 269        .help = "location in chassis",
 270    },
 271    { /* end of list */ }
 272};
 273
 274static const QemuOptDesc qemu_smbios_type3_opts[] = {
 275    {
 276        .name = "type",
 277        .type = QEMU_OPT_NUMBER,
 278        .help = "SMBIOS element type",
 279    },{
 280        .name = "manufacturer",
 281        .type = QEMU_OPT_STRING,
 282        .help = "manufacturer name",
 283    },{
 284        .name = "version",
 285        .type = QEMU_OPT_STRING,
 286        .help = "version number",
 287    },{
 288        .name = "serial",
 289        .type = QEMU_OPT_STRING,
 290        .help = "serial number",
 291    },{
 292        .name = "asset",
 293        .type = QEMU_OPT_STRING,
 294        .help = "asset tag number",
 295    },{
 296        .name = "sku",
 297        .type = QEMU_OPT_STRING,
 298        .help = "SKU number",
 299    },
 300    { /* end of list */ }
 301};
 302
 303static const QemuOptDesc qemu_smbios_type4_opts[] = {
 304    {
 305        .name = "type",
 306        .type = QEMU_OPT_NUMBER,
 307        .help = "SMBIOS element type",
 308    },{
 309        .name = "sock_pfx",
 310        .type = QEMU_OPT_STRING,
 311        .help = "socket designation string prefix",
 312    },{
 313        .name = "manufacturer",
 314        .type = QEMU_OPT_STRING,
 315        .help = "manufacturer name",
 316    },{
 317        .name = "version",
 318        .type = QEMU_OPT_STRING,
 319        .help = "version number",
 320    },{
 321        .name = "max-speed",
 322        .type = QEMU_OPT_NUMBER,
 323        .help = "max speed in MHz",
 324    },{
 325        .name = "current-speed",
 326        .type = QEMU_OPT_NUMBER,
 327        .help = "speed at system boot in MHz",
 328    },{
 329        .name = "serial",
 330        .type = QEMU_OPT_STRING,
 331        .help = "serial number",
 332    },{
 333        .name = "asset",
 334        .type = QEMU_OPT_STRING,
 335        .help = "asset tag number",
 336    },{
 337        .name = "part",
 338        .type = QEMU_OPT_STRING,
 339        .help = "part number",
 340    }, {
 341        .name = "processor-id",
 342        .type = QEMU_OPT_NUMBER,
 343        .help = "processor id",
 344    },
 345    { /* end of list */ }
 346};
 347
 348static const QemuOptDesc qemu_smbios_type8_opts[] = {
 349    {
 350        .name = "internal_reference",
 351        .type = QEMU_OPT_STRING,
 352        .help = "internal reference designator",
 353    },
 354    {
 355        .name = "external_reference",
 356        .type = QEMU_OPT_STRING,
 357        .help = "external reference designator",
 358    },
 359    {
 360        .name = "connector_type",
 361        .type = QEMU_OPT_NUMBER,
 362        .help = "connector type",
 363    },
 364    {
 365        .name = "port_type",
 366        .type = QEMU_OPT_NUMBER,
 367        .help = "port type",
 368    },
 369};
 370
 371static const QemuOptDesc qemu_smbios_type11_opts[] = {
 372    {
 373        .name = "value",
 374        .type = QEMU_OPT_STRING,
 375        .help = "OEM string data",
 376    },
 377    {
 378        .name = "path",
 379        .type = QEMU_OPT_STRING,
 380        .help = "OEM string data from file",
 381    },
 382};
 383
 384static const QemuOptDesc qemu_smbios_type17_opts[] = {
 385    {
 386        .name = "type",
 387        .type = QEMU_OPT_NUMBER,
 388        .help = "SMBIOS element type",
 389    },{
 390        .name = "loc_pfx",
 391        .type = QEMU_OPT_STRING,
 392        .help = "device locator string prefix",
 393    },{
 394        .name = "bank",
 395        .type = QEMU_OPT_STRING,
 396        .help = "bank locator string",
 397    },{
 398        .name = "manufacturer",
 399        .type = QEMU_OPT_STRING,
 400        .help = "manufacturer name",
 401    },{
 402        .name = "serial",
 403        .type = QEMU_OPT_STRING,
 404        .help = "serial number",
 405    },{
 406        .name = "asset",
 407        .type = QEMU_OPT_STRING,
 408        .help = "asset tag number",
 409    },{
 410        .name = "part",
 411        .type = QEMU_OPT_STRING,
 412        .help = "part number",
 413    },{
 414        .name = "speed",
 415        .type = QEMU_OPT_NUMBER,
 416        .help = "maximum capable speed",
 417    },
 418    { /* end of list */ }
 419};
 420
 421static const QemuOptDesc qemu_smbios_type41_opts[] = {
 422    {
 423        .name = "type",
 424        .type = QEMU_OPT_NUMBER,
 425        .help = "SMBIOS element type",
 426    },{
 427        .name = "designation",
 428        .type = QEMU_OPT_STRING,
 429        .help = "reference designation string",
 430    },{
 431        .name = "kind",
 432        .type = QEMU_OPT_STRING,
 433        .help = "device type",
 434        .def_value_str = "other",
 435    },{
 436        .name = "instance",
 437        .type = QEMU_OPT_NUMBER,
 438        .help = "device type instance",
 439    },{
 440        .name = "pcidev",
 441        .type = QEMU_OPT_STRING,
 442        .help = "PCI device",
 443    },
 444    { /* end of list */ }
 445};
 446
 447static void smbios_register_config(void)
 448{
 449    qemu_add_opts(&qemu_smbios_opts);
 450}
 451
 452opts_init(smbios_register_config);
 453
 454/*
 455 * The SMBIOS 2.1 "structure table length" field in the
 456 * entry point uses a 16-bit integer, so we're limited
 457 * in total table size
 458 */
 459#define SMBIOS_21_MAX_TABLES_LEN 0xffff
 460
 461static void smbios_validate_table(MachineState *ms)
 462{
 463    uint32_t expect_t4_count = smbios_legacy ?
 464                                        ms->smp.cpus : smbios_smp_sockets;
 465
 466    if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
 467        error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
 468                     expect_t4_count, smbios_type4_count);
 469        exit(1);
 470    }
 471
 472    if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
 473        smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) {
 474        error_report("SMBIOS 2.1 table length %zu exceeds %d",
 475                     smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN);
 476        exit(1);
 477    }
 478}
 479
 480
 481/* legacy setup functions for <= 2.0 machines */
 482static void smbios_add_field(int type, int offset, const void *data, size_t len)
 483{
 484    struct smbios_field *field;
 485
 486    if (!smbios_entries) {
 487        smbios_entries_len = sizeof(uint16_t);
 488        smbios_entries = g_malloc0(smbios_entries_len);
 489    }
 490    smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
 491                                                  sizeof(*field) + len);
 492    field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
 493    field->header.type = SMBIOS_FIELD_ENTRY;
 494    field->header.length = cpu_to_le16(sizeof(*field) + len);
 495
 496    field->type = type;
 497    field->offset = cpu_to_le16(offset);
 498    memcpy(field->data, data, len);
 499
 500    smbios_entries_len += sizeof(*field) + len;
 501    (*(uint16_t *)smbios_entries) =
 502            cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
 503}
 504
 505static void smbios_maybe_add_str(int type, int offset, const char *data)
 506{
 507    if (data) {
 508        smbios_add_field(type, offset, data, strlen(data) + 1);
 509    }
 510}
 511
 512static void smbios_build_type_0_fields(void)
 513{
 514    smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
 515                         type0.vendor);
 516    smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
 517                         type0.version);
 518    smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
 519                                     bios_release_date_str),
 520                         type0.date);
 521    if (type0.have_major_minor) {
 522        smbios_add_field(0, offsetof(struct smbios_type_0,
 523                                     system_bios_major_release),
 524                         &type0.major, 1);
 525        smbios_add_field(0, offsetof(struct smbios_type_0,
 526                                     system_bios_minor_release),
 527                         &type0.minor, 1);
 528    }
 529}
 530
 531static void smbios_build_type_1_fields(void)
 532{
 533    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
 534                         type1.manufacturer);
 535    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
 536                         type1.product);
 537    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
 538                         type1.version);
 539    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
 540                         type1.serial);
 541    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
 542                         type1.sku);
 543    smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
 544                         type1.family);
 545    if (qemu_uuid_set) {
 546        /* We don't encode the UUID in the "wire format" here because this
 547         * function is for legacy mode and needs to keep the guest ABI, and
 548         * because we don't know what's the SMBIOS version advertised by the
 549         * BIOS.
 550         */
 551        smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
 552                         &qemu_uuid, 16);
 553    }
 554}
 555
 556uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
 557{
 558    if (!smbios_legacy) {
 559        *length = 0;
 560        return NULL;
 561    }
 562
 563    if (!smbios_immutable) {
 564        smbios_build_type_0_fields();
 565        smbios_build_type_1_fields();
 566        smbios_validate_table(ms);
 567        smbios_immutable = true;
 568    }
 569    *length = smbios_entries_len;
 570    return smbios_entries;
 571}
 572/* end: legacy setup functions for <= 2.0 machines */
 573
 574
 575bool smbios_skip_table(uint8_t type, bool required_table)
 576{
 577    if (test_bit(type, have_binfile_bitmap)) {
 578        return true; /* user provided their own binary blob(s) */
 579    }
 580    if (test_bit(type, have_fields_bitmap)) {
 581        return false; /* user provided fields via command line */
 582    }
 583    if (smbios_have_defaults && required_table) {
 584        return false; /* we're building tables, and this one's required */
 585    }
 586    return true;
 587}
 588
 589#define T0_BASE 0x000
 590#define T1_BASE 0x100
 591#define T2_BASE 0x200
 592#define T3_BASE 0x300
 593#define T4_BASE 0x400
 594#define T11_BASE 0xe00
 595
 596#define T16_BASE 0x1000
 597#define T17_BASE 0x1100
 598#define T19_BASE 0x1300
 599#define T32_BASE 0x2000
 600#define T41_BASE 0x2900
 601#define T127_BASE 0x7F00
 602
 603static void smbios_build_type_0_table(void)
 604{
 605    SMBIOS_BUILD_TABLE_PRE(0, T0_BASE, false); /* optional, leave up to BIOS */
 606
 607    SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
 608    SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
 609
 610    t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
 611
 612    SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
 613
 614    t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
 615
 616    t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
 617    t->bios_characteristics_extension_bytes[0] = 0;
 618    t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
 619    if (type0.uefi) {
 620        t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
 621    }
 622
 623    if (type0.have_major_minor) {
 624        t->system_bios_major_release = type0.major;
 625        t->system_bios_minor_release = type0.minor;
 626    } else {
 627        t->system_bios_major_release = 0;
 628        t->system_bios_minor_release = 0;
 629    }
 630
 631    /* hardcoded in SeaBIOS */
 632    t->embedded_controller_major_release = 0xFF;
 633    t->embedded_controller_minor_release = 0xFF;
 634
 635    SMBIOS_BUILD_TABLE_POST;
 636}
 637
 638/* Encode UUID from the big endian encoding described on RFC4122 to the wire
 639 * format specified by SMBIOS version 2.6.
 640 */
 641static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
 642{
 643    memcpy(uuid, in, 16);
 644    if (smbios_uuid_encoded) {
 645        uuid->time_low = bswap32(uuid->time_low);
 646        uuid->time_mid = bswap16(uuid->time_mid);
 647        uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
 648    }
 649}
 650
 651static void smbios_build_type_1_table(void)
 652{
 653    SMBIOS_BUILD_TABLE_PRE(1, T1_BASE, true); /* required */
 654
 655    SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
 656    SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
 657    SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
 658    SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
 659    if (qemu_uuid_set) {
 660        smbios_encode_uuid(&t->uuid, &qemu_uuid);
 661    } else {
 662        memset(&t->uuid, 0, 16);
 663    }
 664    t->wake_up_type = 0x06; /* power switch */
 665    SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
 666    SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
 667
 668    SMBIOS_BUILD_TABLE_POST;
 669}
 670
 671static void smbios_build_type_2_table(void)
 672{
 673    SMBIOS_BUILD_TABLE_PRE(2, T2_BASE, false); /* optional */
 674
 675    SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
 676    SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
 677    SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
 678    SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
 679    SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
 680    t->feature_flags = 0x01; /* Motherboard */
 681    SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
 682    t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
 683    t->board_type = 0x0A; /* Motherboard */
 684    t->contained_element_count = 0;
 685
 686    SMBIOS_BUILD_TABLE_POST;
 687}
 688
 689static void smbios_build_type_3_table(void)
 690{
 691    SMBIOS_BUILD_TABLE_PRE(3, T3_BASE, true); /* required */
 692
 693    SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
 694    t->type = 0x01; /* Other */
 695    SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
 696    SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
 697    SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
 698    t->boot_up_state = 0x03; /* Safe */
 699    t->power_supply_state = 0x03; /* Safe */
 700    t->thermal_state = 0x03; /* Safe */
 701    t->security_status = 0x02; /* Unknown */
 702    t->oem_defined = cpu_to_le32(0);
 703    t->height = 0;
 704    t->number_of_power_cords = 0;
 705    t->contained_element_count = 0;
 706    t->contained_element_record_length = 0;
 707    SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
 708
 709    SMBIOS_BUILD_TABLE_POST;
 710}
 711
 712static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
 713{
 714    char sock_str[128];
 715    size_t tbl_len = SMBIOS_TYPE_4_LEN_V28;
 716    unsigned threads_per_socket;
 717    unsigned cores_per_socket;
 718
 719    if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
 720        tbl_len = SMBIOS_TYPE_4_LEN_V30;
 721    }
 722
 723    SMBIOS_BUILD_TABLE_PRE_SIZE(4, T4_BASE + instance,
 724                                true, tbl_len); /* required */
 725
 726    snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
 727    SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
 728    t->processor_type = 0x03; /* CPU */
 729    t->processor_family = 0x01; /* Other */
 730    SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
 731    if (type4.processor_id == 0) {
 732        t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
 733        t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
 734    } else {
 735        t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id);
 736        t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32);
 737    }
 738    SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
 739    t->voltage = 0;
 740    t->external_clock = cpu_to_le16(0); /* Unknown */
 741    t->max_speed = cpu_to_le16(type4.max_speed);
 742    t->current_speed = cpu_to_le16(type4.current_speed);
 743    t->status = 0x41; /* Socket populated, CPU enabled */
 744    t->processor_upgrade = 0x01; /* Other */
 745    t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 746    t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 747    t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 748    SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
 749    SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
 750    SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
 751
 752    threads_per_socket = machine_topo_get_threads_per_socket(ms);
 753    cores_per_socket = machine_topo_get_cores_per_socket(ms);
 754
 755    t->core_count = (cores_per_socket > 255) ? 0xFF : cores_per_socket;
 756    t->core_enabled = t->core_count;
 757
 758    t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
 759
 760    t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
 761    t->processor_family2 = cpu_to_le16(0x01); /* Other */
 762
 763    if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
 764        t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
 765        t->thread_count2 = cpu_to_le16(threads_per_socket);
 766    }
 767
 768    SMBIOS_BUILD_TABLE_POST;
 769    smbios_type4_count++;
 770}
 771
 772static void smbios_build_type_8_table(void)
 773{
 774    unsigned instance = 0;
 775    struct type8_instance *t8;
 776
 777    QTAILQ_FOREACH(t8, &type8, next) {
 778        SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true);
 779
 780        SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference);
 781        SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference);
 782        /* most vendors seem to set this to None */
 783        t->internal_connector_type = 0x0;
 784        t->external_connector_type = t8->connector_type;
 785        t->port_type = t8->port_type;
 786
 787        SMBIOS_BUILD_TABLE_POST;
 788        instance++;
 789    }
 790}
 791
 792static void smbios_build_type_11_table(void)
 793{
 794    char count_str[128];
 795    size_t i;
 796
 797    if (type11.nvalues == 0) {
 798        return;
 799    }
 800
 801    SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */
 802
 803    snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
 804    t->count = type11.nvalues;
 805
 806    for (i = 0; i < type11.nvalues; i++) {
 807        SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
 808        g_free(type11.values[i]);
 809        type11.values[i] = NULL;
 810    }
 811
 812    SMBIOS_BUILD_TABLE_POST;
 813}
 814
 815#define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
 816
 817static void smbios_build_type_16_table(unsigned dimm_cnt)
 818{
 819    uint64_t size_kb;
 820
 821    SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */
 822
 823    t->location = 0x01; /* Other */
 824    t->use = 0x03; /* System memory */
 825    t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
 826    size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB;
 827    if (size_kb < MAX_T16_STD_SZ) {
 828        t->maximum_capacity = cpu_to_le32(size_kb);
 829        t->extended_maximum_capacity = cpu_to_le64(0);
 830    } else {
 831        t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
 832        t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size);
 833    }
 834    t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 835    t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
 836
 837    SMBIOS_BUILD_TABLE_POST;
 838}
 839
 840#define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
 841#define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
 842
 843static void smbios_build_type_17_table(unsigned instance, uint64_t size)
 844{
 845    char loc_str[128];
 846    uint64_t size_mb;
 847
 848    SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */
 849
 850    t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 851    t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 852    t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
 853    t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
 854    size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
 855    if (size_mb < MAX_T17_STD_SZ) {
 856        t->size = cpu_to_le16(size_mb);
 857        t->extended_size = cpu_to_le32(0);
 858    } else {
 859        assert(size_mb < MAX_T17_EXT_SZ);
 860        t->size = cpu_to_le16(MAX_T17_STD_SZ);
 861        t->extended_size = cpu_to_le32(size_mb);
 862    }
 863    t->form_factor = 0x09; /* DIMM */
 864    t->device_set = 0; /* Not in a set */
 865    snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
 866    SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
 867    SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
 868    t->memory_type = 0x07; /* RAM */
 869    t->type_detail = cpu_to_le16(0x02); /* Other */
 870    t->speed = cpu_to_le16(type17.speed);
 871    SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
 872    SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
 873    SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
 874    SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
 875    t->attributes = 0; /* Unknown */
 876    t->configured_clock_speed = t->speed; /* reuse value for max speed */
 877    t->minimum_voltage = cpu_to_le16(0); /* Unknown */
 878    t->maximum_voltage = cpu_to_le16(0); /* Unknown */
 879    t->configured_voltage = cpu_to_le16(0); /* Unknown */
 880
 881    SMBIOS_BUILD_TABLE_POST;
 882}
 883
 884static void smbios_build_type_19_table(unsigned instance, unsigned offset,
 885                                       uint64_t start, uint64_t size)
 886{
 887    uint64_t end, start_kb, end_kb;
 888
 889    SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance,
 890                           true); /* required */
 891
 892    end = start + size - 1;
 893    assert(end > start);
 894    start_kb = start / KiB;
 895    end_kb = end / KiB;
 896    if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
 897        t->starting_address = cpu_to_le32(start_kb);
 898        t->ending_address = cpu_to_le32(end_kb);
 899        t->extended_starting_address =
 900            t->extended_ending_address = cpu_to_le64(0);
 901    } else {
 902        t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
 903        t->extended_starting_address = cpu_to_le64(start);
 904        t->extended_ending_address = cpu_to_le64(end);
 905    }
 906    t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 907    t->partition_width = 1; /* One device per row */
 908
 909    SMBIOS_BUILD_TABLE_POST;
 910}
 911
 912static void smbios_build_type_32_table(void)
 913{
 914    SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */
 915
 916    memset(t->reserved, 0, 6);
 917    t->boot_status = 0; /* No errors detected */
 918
 919    SMBIOS_BUILD_TABLE_POST;
 920}
 921
 922static void smbios_build_type_41_table(Error **errp)
 923{
 924    unsigned instance = 0;
 925    struct type41_instance *t41;
 926
 927    QTAILQ_FOREACH(t41, &type41, next) {
 928        SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true);
 929
 930        SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation);
 931        t->device_type = t41->kind;
 932        t->device_type_instance = t41->instance;
 933        t->segment_group_number = cpu_to_le16(0);
 934        t->bus_number = 0;
 935        t->device_number = 0;
 936
 937        if (t41->pcidev) {
 938            PCIDevice *pdev = NULL;
 939            int rc = pci_qdev_find_device(t41->pcidev, &pdev);
 940            if (rc != 0) {
 941                error_setg(errp,
 942                           "No PCI device %s for SMBIOS type 41 entry %s",
 943                           t41->pcidev, t41->designation);
 944                return;
 945            }
 946            /*
 947             * We only handle the case were the device is attached to
 948             * the PCI root bus. The general case is more complex as
 949             * bridges are enumerated later and the table would need
 950             * to be updated at this moment.
 951             */
 952            if (!pci_bus_is_root(pci_get_bus(pdev))) {
 953                error_setg(errp,
 954                           "Cannot create type 41 entry for PCI device %s: "
 955                           "not attached to the root bus",
 956                           t41->pcidev);
 957                return;
 958            }
 959            t->segment_group_number = cpu_to_le16(0);
 960            t->bus_number = pci_dev_bus_num(pdev);
 961            t->device_number = pdev->devfn;
 962        }
 963
 964        SMBIOS_BUILD_TABLE_POST;
 965        instance++;
 966    }
 967}
 968
 969static void smbios_build_type_127_table(void)
 970{
 971    SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */
 972    SMBIOS_BUILD_TABLE_POST;
 973}
 974
 975void smbios_set_cpuid(uint32_t version, uint32_t features)
 976{
 977    smbios_cpuid_version = version;
 978    smbios_cpuid_features = features;
 979}
 980
 981#define SMBIOS_SET_DEFAULT(field, value)                                  \
 982    if (!field) {                                                         \
 983        field = value;                                                    \
 984    }
 985
 986void smbios_set_defaults(const char *manufacturer, const char *product,
 987                         const char *version, bool legacy_mode,
 988                         bool uuid_encoded, SmbiosEntryPointType ep_type)
 989{
 990    smbios_have_defaults = true;
 991    smbios_legacy = legacy_mode;
 992    smbios_uuid_encoded = uuid_encoded;
 993    smbios_ep_type = ep_type;
 994
 995    /* drop unwanted version of command-line file blob(s) */
 996    if (smbios_legacy) {
 997        g_free(smbios_tables);
 998        /* in legacy mode, also complain if fields were given for types > 1 */
 999        if (find_next_bit(have_fields_bitmap,
1000                          SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
1001            error_report("can't process fields for smbios "
1002                         "types > 1 on machine versions < 2.1!");
1003            exit(1);
1004        }
1005    } else {
1006        g_free(smbios_entries);
1007    }
1008
1009    SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
1010    SMBIOS_SET_DEFAULT(type1.product, product);
1011    SMBIOS_SET_DEFAULT(type1.version, version);
1012    SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
1013    SMBIOS_SET_DEFAULT(type2.product, product);
1014    SMBIOS_SET_DEFAULT(type2.version, version);
1015    SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
1016    SMBIOS_SET_DEFAULT(type3.version, version);
1017    SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
1018    SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
1019    SMBIOS_SET_DEFAULT(type4.version, version);
1020    SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
1021    SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
1022}
1023
1024static void smbios_entry_point_setup(void)
1025{
1026    switch (smbios_ep_type) {
1027    case SMBIOS_ENTRY_POINT_TYPE_32:
1028        memcpy(ep.ep21.anchor_string, "_SM_", 4);
1029        memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
1030        ep.ep21.length = sizeof(struct smbios_21_entry_point);
1031        ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
1032        memset(ep.ep21.formatted_area, 0, 5);
1033
1034        /* compliant with smbios spec v2.8 */
1035        ep.ep21.smbios_major_version = 2;
1036        ep.ep21.smbios_minor_version = 8;
1037        ep.ep21.smbios_bcd_revision = 0x28;
1038
1039        /* set during table construction, but BIOS may override: */
1040        ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
1041        ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
1042        ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
1043
1044        /* BIOS must recalculate */
1045        ep.ep21.checksum = 0;
1046        ep.ep21.intermediate_checksum = 0;
1047        ep.ep21.structure_table_address = cpu_to_le32(0);
1048
1049        break;
1050    case SMBIOS_ENTRY_POINT_TYPE_64:
1051        memcpy(ep.ep30.anchor_string, "_SM3_", 5);
1052        ep.ep30.length = sizeof(struct smbios_30_entry_point);
1053        ep.ep30.entry_point_revision = 1;
1054        ep.ep30.reserved = 0;
1055
1056        /* compliant with smbios spec 3.0 */
1057        ep.ep30.smbios_major_version = 3;
1058        ep.ep30.smbios_minor_version = 0;
1059        ep.ep30.smbios_doc_rev = 0;
1060
1061        /* set during table construct, but BIOS might override */
1062        ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
1063
1064        /* BIOS must recalculate */
1065        ep.ep30.checksum = 0;
1066        ep.ep30.structure_table_address = cpu_to_le64(0);
1067
1068        break;
1069    default:
1070        abort();
1071        break;
1072    }
1073}
1074
1075void smbios_get_tables(MachineState *ms,
1076                       const struct smbios_phys_mem_area *mem_array,
1077                       const unsigned int mem_array_size,
1078                       uint8_t **tables, size_t *tables_len,
1079                       uint8_t **anchor, size_t *anchor_len,
1080                       Error **errp)
1081{
1082    unsigned i, dimm_cnt, offset;
1083
1084    if (smbios_legacy) {
1085        *tables = *anchor = NULL;
1086        *tables_len = *anchor_len = 0;
1087        return;
1088    }
1089
1090    if (!smbios_immutable) {
1091        smbios_build_type_0_table();
1092        smbios_build_type_1_table();
1093        smbios_build_type_2_table();
1094        smbios_build_type_3_table();
1095
1096        smbios_smp_sockets = ms->smp.sockets;
1097        assert(smbios_smp_sockets >= 1);
1098
1099        for (i = 0; i < smbios_smp_sockets; i++) {
1100            smbios_build_type_4_table(ms, i);
1101        }
1102
1103        smbios_build_type_8_table();
1104        smbios_build_type_11_table();
1105
1106#define MAX_DIMM_SZ (16 * GiB)
1107#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
1108                                        : ((current_machine->ram_size - 1) % MAX_DIMM_SZ) + 1)
1109
1110        dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
1111
1112        /*
1113         * The offset determines if we need to keep additional space betweeen
1114         * table 17 and table 19 header handle numbers so that they do
1115         * not overlap. For example, for a VM with larger than 8 TB guest
1116         * memory and DIMM like chunks of 16 GiB, the default space between
1117         * the two tables (T19_BASE - T17_BASE = 512) is not enough.
1118         */
1119        offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \
1120                 dimm_cnt - (T19_BASE - T17_BASE) : 0;
1121
1122        smbios_build_type_16_table(dimm_cnt);
1123
1124        for (i = 0; i < dimm_cnt; i++) {
1125            smbios_build_type_17_table(i, GET_DIMM_SZ);
1126        }
1127
1128        for (i = 0; i < mem_array_size; i++) {
1129            smbios_build_type_19_table(i, offset, mem_array[i].address,
1130                                       mem_array[i].length);
1131        }
1132
1133        /*
1134         * make sure 16 bit handle numbers in the headers of tables 19
1135         * and 32 do not overlap.
1136         */
1137        assert((mem_array_size + offset) < (T32_BASE - T19_BASE));
1138
1139        smbios_build_type_32_table();
1140        smbios_build_type_38_table();
1141        smbios_build_type_41_table(errp);
1142        smbios_build_type_127_table();
1143
1144        smbios_validate_table(ms);
1145        smbios_entry_point_setup();
1146        smbios_immutable = true;
1147    }
1148
1149    /* return tables blob and entry point (anchor), and their sizes */
1150    *tables = smbios_tables;
1151    *tables_len = smbios_tables_len;
1152    *anchor = (uint8_t *)&ep;
1153
1154    /* calculate length based on anchor string */
1155    if (!strncmp((char *)&ep, "_SM_", 4)) {
1156        *anchor_len = sizeof(struct smbios_21_entry_point);
1157    } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
1158        *anchor_len = sizeof(struct smbios_30_entry_point);
1159    } else {
1160        abort();
1161    }
1162}
1163
1164static void save_opt(const char **dest, QemuOpts *opts, const char *name)
1165{
1166    const char *val = qemu_opt_get(opts, name);
1167
1168    if (val) {
1169        *dest = val;
1170    }
1171}
1172
1173
1174struct opt_list {
1175    size_t *ndest;
1176    char ***dest;
1177};
1178
1179static int save_opt_one(void *opaque,
1180                        const char *name, const char *value,
1181                        Error **errp)
1182{
1183    struct opt_list *opt = opaque;
1184
1185    if (g_str_equal(name, "path")) {
1186        g_autoptr(GByteArray) data = g_byte_array_new();
1187        g_autofree char *buf = g_new(char, 4096);
1188        ssize_t ret;
1189        int fd = qemu_open(value, O_RDONLY, errp);
1190        if (fd < 0) {
1191            return -1;
1192        }
1193
1194        while (1) {
1195            ret = read(fd, buf, 4096);
1196            if (ret == 0) {
1197                break;
1198            }
1199            if (ret < 0) {
1200                error_setg(errp, "Unable to read from %s: %s",
1201                           value, strerror(errno));
1202                qemu_close(fd);
1203                return -1;
1204            }
1205            if (memchr(buf, '\0', ret)) {
1206                error_setg(errp, "NUL in OEM strings value in %s", value);
1207                qemu_close(fd);
1208                return -1;
1209            }
1210            g_byte_array_append(data, (guint8 *)buf, ret);
1211        }
1212
1213        qemu_close(fd);
1214
1215        *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1216        (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data,  FALSE);
1217        (*opt->ndest)++;
1218        data = NULL;
1219   } else if (g_str_equal(name, "value")) {
1220        *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1221        (*opt->dest)[*opt->ndest] = g_strdup(value);
1222        (*opt->ndest)++;
1223    } else if (!g_str_equal(name, "type")) {
1224        error_setg(errp, "Unexpected option %s", name);
1225        return -1;
1226    }
1227
1228    return 0;
1229}
1230
1231static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts,
1232                          Error **errp)
1233{
1234    struct opt_list opt = {
1235        ndest, dest,
1236    };
1237    if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) {
1238        return false;
1239    }
1240    return true;
1241}
1242
1243void smbios_entry_add(QemuOpts *opts, Error **errp)
1244{
1245    const char *val;
1246
1247    assert(!smbios_immutable);
1248
1249    val = qemu_opt_get(opts, "file");
1250    if (val) {
1251        struct smbios_structure_header *header;
1252        int size;
1253        struct smbios_table *table; /* legacy mode only */
1254
1255        if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
1256            return;
1257        }
1258
1259        size = get_image_size(val);
1260        if (size == -1 || size < sizeof(struct smbios_structure_header)) {
1261            error_setg(errp, "Cannot read SMBIOS file %s", val);
1262            return;
1263        }
1264
1265        /*
1266         * NOTE: standard double '\0' terminator expected, per smbios spec.
1267         * (except in legacy mode, where the second '\0' is implicit and
1268         *  will be inserted by the BIOS).
1269         */
1270        smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
1271        header = (struct smbios_structure_header *)(smbios_tables +
1272                                                    smbios_tables_len);
1273
1274        if (load_image_size(val, (uint8_t *)header, size) != size) {
1275            error_setg(errp, "Failed to load SMBIOS file %s", val);
1276            return;
1277        }
1278
1279        if (header->type <= SMBIOS_MAX_TYPE) {
1280            if (test_bit(header->type, have_fields_bitmap)) {
1281                error_setg(errp,
1282                           "can't load type %d struct, fields already specified!",
1283                           header->type);
1284                return;
1285            }
1286            set_bit(header->type, have_binfile_bitmap);
1287        }
1288
1289        if (header->type == 4) {
1290            smbios_type4_count++;
1291        }
1292
1293        smbios_tables_len += size;
1294        if (size > smbios_table_max) {
1295            smbios_table_max = size;
1296        }
1297        smbios_table_cnt++;
1298
1299        /* add a copy of the newly loaded blob to legacy smbios_entries */
1300        /* NOTE: This code runs before smbios_set_defaults(), so we don't
1301         *       yet know which mode (legacy vs. aggregate-table) will be
1302         *       required. We therefore add the binary blob to both legacy
1303         *       (smbios_entries) and aggregate (smbios_tables) tables, and
1304         *       delete the one we don't need from smbios_set_defaults(),
1305         *       once we know which machine version has been requested.
1306         */
1307        if (!smbios_entries) {
1308            smbios_entries_len = sizeof(uint16_t);
1309            smbios_entries = g_malloc0(smbios_entries_len);
1310        }
1311        smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1312                                                   size + sizeof(*table));
1313        table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1314        table->header.type = SMBIOS_TABLE_ENTRY;
1315        table->header.length = cpu_to_le16(sizeof(*table) + size);
1316        memcpy(table->data, header, size);
1317        smbios_entries_len += sizeof(*table) + size;
1318        (*(uint16_t *)smbios_entries) =
1319                cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1320        /* end: add a copy of the newly loaded blob to legacy smbios_entries */
1321
1322        return;
1323    }
1324
1325    val = qemu_opt_get(opts, "type");
1326    if (val) {
1327        unsigned long type = strtoul(val, NULL, 0);
1328
1329        if (type > SMBIOS_MAX_TYPE) {
1330            error_setg(errp, "out of range!");
1331            return;
1332        }
1333
1334        if (test_bit(type, have_binfile_bitmap)) {
1335            error_setg(errp, "can't add fields, binary file already loaded!");
1336            return;
1337        }
1338        set_bit(type, have_fields_bitmap);
1339
1340        switch (type) {
1341        case 0:
1342            if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
1343                return;
1344            }
1345            save_opt(&type0.vendor, opts, "vendor");
1346            save_opt(&type0.version, opts, "version");
1347            save_opt(&type0.date, opts, "date");
1348            type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1349
1350            val = qemu_opt_get(opts, "release");
1351            if (val) {
1352                if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1353                    error_setg(errp, "Invalid release");
1354                    return;
1355                }
1356                type0.have_major_minor = true;
1357            }
1358            return;
1359        case 1:
1360            if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
1361                return;
1362            }
1363            save_opt(&type1.manufacturer, opts, "manufacturer");
1364            save_opt(&type1.product, opts, "product");
1365            save_opt(&type1.version, opts, "version");
1366            save_opt(&type1.serial, opts, "serial");
1367            save_opt(&type1.sku, opts, "sku");
1368            save_opt(&type1.family, opts, "family");
1369
1370            val = qemu_opt_get(opts, "uuid");
1371            if (val) {
1372                if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1373                    error_setg(errp, "Invalid UUID");
1374                    return;
1375                }
1376                qemu_uuid_set = true;
1377            }
1378            return;
1379        case 2:
1380            if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
1381                return;
1382            }
1383            save_opt(&type2.manufacturer, opts, "manufacturer");
1384            save_opt(&type2.product, opts, "product");
1385            save_opt(&type2.version, opts, "version");
1386            save_opt(&type2.serial, opts, "serial");
1387            save_opt(&type2.asset, opts, "asset");
1388            save_opt(&type2.location, opts, "location");
1389            return;
1390        case 3:
1391            if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
1392                return;
1393            }
1394            save_opt(&type3.manufacturer, opts, "manufacturer");
1395            save_opt(&type3.version, opts, "version");
1396            save_opt(&type3.serial, opts, "serial");
1397            save_opt(&type3.asset, opts, "asset");
1398            save_opt(&type3.sku, opts, "sku");
1399            return;
1400        case 4:
1401            if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
1402                return;
1403            }
1404            save_opt(&type4.sock_pfx, opts, "sock_pfx");
1405            save_opt(&type4.manufacturer, opts, "manufacturer");
1406            save_opt(&type4.version, opts, "version");
1407            save_opt(&type4.serial, opts, "serial");
1408            save_opt(&type4.asset, opts, "asset");
1409            save_opt(&type4.part, opts, "part");
1410            /* If the value is 0, it will take the value from the CPU model. */
1411            type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0);
1412            type4.max_speed = qemu_opt_get_number(opts, "max-speed",
1413                                                  DEFAULT_CPU_SPEED);
1414            type4.current_speed = qemu_opt_get_number(opts, "current-speed",
1415                                                      DEFAULT_CPU_SPEED);
1416            if (type4.max_speed > UINT16_MAX ||
1417                type4.current_speed > UINT16_MAX) {
1418                error_setg(errp, "SMBIOS CPU speed is too large (> %d)",
1419                           UINT16_MAX);
1420            }
1421            return;
1422        case 8:
1423            if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) {
1424                return;
1425            }
1426            struct type8_instance *t;
1427            t = g_new0(struct type8_instance, 1);
1428            save_opt(&t->internal_reference, opts, "internal_reference");
1429            save_opt(&t->external_reference, opts, "external_reference");
1430            t->connector_type = qemu_opt_get_number(opts, "connector_type", 0);
1431            t->port_type = qemu_opt_get_number(opts, "port_type", 0);
1432            QTAILQ_INSERT_TAIL(&type8, t, next);
1433            return;
1434        case 11:
1435            if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
1436                return;
1437            }
1438            if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) {
1439                return;
1440            }
1441            return;
1442        case 17:
1443            if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
1444                return;
1445            }
1446            save_opt(&type17.loc_pfx, opts, "loc_pfx");
1447            save_opt(&type17.bank, opts, "bank");
1448            save_opt(&type17.manufacturer, opts, "manufacturer");
1449            save_opt(&type17.serial, opts, "serial");
1450            save_opt(&type17.asset, opts, "asset");
1451            save_opt(&type17.part, opts, "part");
1452            type17.speed = qemu_opt_get_number(opts, "speed", 0);
1453            return;
1454        case 41: {
1455            struct type41_instance *t;
1456            Error *local_err = NULL;
1457
1458            if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) {
1459                return;
1460            }
1461            t = g_new0(struct type41_instance, 1);
1462            save_opt(&t->designation, opts, "designation");
1463            t->kind = qapi_enum_parse(&type41_kind_lookup,
1464                                      qemu_opt_get(opts, "kind"),
1465                                      0, &local_err) + 1;
1466            t->kind |= 0x80;     /* enabled */
1467            if (local_err != NULL) {
1468                error_propagate(errp, local_err);
1469                g_free(t);
1470                return;
1471            }
1472            t->instance = qemu_opt_get_number(opts, "instance", 1);
1473            save_opt(&t->pcidev, opts, "pcidev");
1474
1475            QTAILQ_INSERT_TAIL(&type41, t, next);
1476            return;
1477        }
1478        default:
1479            error_setg(errp,
1480                       "Don't know how to build fields for SMBIOS type %ld",
1481                       type);
1482            return;
1483        }
1484    }
1485
1486    error_setg(errp, "Must specify type= or file=");
1487}
1488