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 "hw/pci/pci_device.h"
  32 #include "smbios_build.h"
  33
  34 /* legacy structures and constants for <= 2.0 machines */
  35 struct smbios_header {
  36     uint16_t length;
  37     uint8_t type;
  38 } QEMU_PACKED;
  39
  40 struct smbios_field {
  41     struct smbios_header header;
  42     uint8_t type;
  43     uint16_t offset;
  44     uint8_t data[];
  45 } QEMU_PACKED;
  46
  47 struct 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
  55 static uint8_t *smbios_entries;
  56 static size_t smbios_entries_len;
  57 static bool smbios_legacy = true;
  58 static bool smbios_uuid_encoded = true;
  59 /* end: legacy structures & constants for <= 2.0 machines */
  60
  61
  62 uint8_t *smbios_tables;
  63 size_t smbios_tables_len;
  64 unsigned smbios_table_max;
  65 unsigned smbios_table_cnt;
  66 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
  67
  68 static SmbiosEntryPoint ep;
  69
  70 static int smbios_type4_count = 0;
  71 static bool smbios_immutable;
  72 static bool smbios_have_defaults;
  73 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
  74
  75 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
  76 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
  77
  78 static struct {
  79     const char *vendor, *version, *date;
  80     bool have_major_minor, uefi;
  81     uint8_t major, minor;
  82 } type0;
  83
  84 static struct {
  85     const char *manufacturer, *product, *version, *serial, *sku, *family;
  86     /* uuid is in qemu_uuid */
  87 } type1;
  88
  89 static struct {
  90     const char *manufacturer, *product, *version, *serial, *asset, *location;
  91 } type2;
  92
  93 static 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
 104 static 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
 115 struct type8_instance {
 116     const char *internal_reference, *external_reference;
 117     uint8_t connector_type, port_type;
 118     QTAILQ_ENTRY(type8_instance) next;
 119 };
 120 static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
 121
 122 static struct {
 123     size_t nvalues;
 124     char **values;
 125 } type11;
 126
 127 static struct {
 128     const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
 129     uint16_t speed;
 130 } type17;
 131
 132 static 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 };
 147 struct type41_instance {
 148     const char *designation, *pcidev;
 149     uint8_t instance, kind;
 150     QTAILQ_ENTRY(type41_instance) next;
 151 };
 152 static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41);
 153
 154 static 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
 166 static 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
 175 static 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
 204 static 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
 241 static 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
 274 static 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
 303 static 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
 348 static 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
 371 static 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
 384 static 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
 421 static 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
 447 static void smbios_register_config(void)
 448 {
 449     qemu_add_opts(&qemu_smbios_opts);
 450 }
 451
 452 opts_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
 461 static 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 */
 482 static 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
 505 static 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
 512 static 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
 531 static 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
 556 uint8_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
 575 bool 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
 603 static 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  */
 641 static 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
 651 static 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
 671 static 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
 689 static 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
 712 static 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
 717     if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
 718         tbl_len = SMBIOS_TYPE_4_LEN_V30;
 719     }
 720
 721     SMBIOS_BUILD_TABLE_PRE_SIZE(4, T4_BASE + instance,
 722                                 true, tbl_len); /* required */
 723
 724     snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
 725     SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
 726     t->processor_type = 0x03; /* CPU */
 727     t->processor_family = 0x01; /* Other */
 728     SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
 729     if (type4.processor_id == 0) {
 730         t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
 731         t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
 732     } else {
 733         t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id);
 734         t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32);
 735     }
 736     SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
 737     t->voltage = 0;
 738     t->external_clock = cpu_to_le16(0); /* Unknown */
 739     t->max_speed = cpu_to_le16(type4.max_speed);
 740     t->current_speed = cpu_to_le16(type4.current_speed);
 741     t->status = 0x41; /* Socket populated, CPU enabled */
 742     t->processor_upgrade = 0x01; /* Other */
 743     t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 744     t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 745     t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
 746     SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
 747     SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
 748     SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
 749
 750     t->core_count = (ms->smp.cores > 255) ? 0xFF : ms->smp.cores;
 751     t->core_enabled = t->core_count;
 752
 753     t->thread_count = (ms->smp.threads > 255) ? 0xFF : ms->smp.threads;
 754
 755     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
 756     t->processor_family2 = cpu_to_le16(0x01); /* Other */
 757
 758     if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
 759         t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
 760         t->thread_count2 = cpu_to_le16(ms->smp.threads);
 761     }
 762
 763     SMBIOS_BUILD_TABLE_POST;
 764     smbios_type4_count++;
 765 }
 766
 767 static void smbios_build_type_8_table(void)
 768 {
 769     unsigned instance = 0;
 770     struct type8_instance *t8;
 771
 772     QTAILQ_FOREACH(t8, &type8, next) {
 773         SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true);
 774
 775         SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference);
 776         SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference);
 777         /* most vendors seem to set this to None */
 778         t->internal_connector_type = 0x0;
 779         t->external_connector_type = t8->connector_type;
 780         t->port_type = t8->port_type;
 781
 782         SMBIOS_BUILD_TABLE_POST;
 783         instance++;
 784     }
 785 }
 786
 787 static void smbios_build_type_11_table(void)
 788 {
 789     char count_str[128];
 790     size_t i;
 791
 792     if (type11.nvalues == 0) {
 793         return;
 794     }
 795
 796     SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */
 797
 798     snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
 799     t->count = type11.nvalues;
 800
 801     for (i = 0; i < type11.nvalues; i++) {
 802         SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
 803         g_free(type11.values[i]);
 804         type11.values[i] = NULL;
 805     }
 806
 807     SMBIOS_BUILD_TABLE_POST;
 808 }
 809
 810 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
 811
 812 static void smbios_build_type_16_table(unsigned dimm_cnt)
 813 {
 814     uint64_t size_kb;
 815
 816     SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */
 817
 818     t->location = 0x01; /* Other */
 819     t->use = 0x03; /* System memory */
 820     t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
 821     size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB;
 822     if (size_kb < MAX_T16_STD_SZ) {
 823         t->maximum_capacity = cpu_to_le32(size_kb);
 824         t->extended_maximum_capacity = cpu_to_le64(0);
 825     } else {
 826         t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
 827         t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size);
 828     }
 829     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 830     t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
 831
 832     SMBIOS_BUILD_TABLE_POST;
 833 }
 834
 835 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
 836 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
 837
 838 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
 839 {
 840     char loc_str[128];
 841     uint64_t size_mb;
 842
 843     SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */
 844
 845     t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 846     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
 847     t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
 848     t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
 849     size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
 850     if (size_mb < MAX_T17_STD_SZ) {
 851         t->size = cpu_to_le16(size_mb);
 852         t->extended_size = cpu_to_le32(0);
 853     } else {
 854         assert(size_mb < MAX_T17_EXT_SZ);
 855         t->size = cpu_to_le16(MAX_T17_STD_SZ);
 856         t->extended_size = cpu_to_le32(size_mb);
 857     }
 858     t->form_factor = 0x09; /* DIMM */
 859     t->device_set = 0; /* Not in a set */
 860     snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
 861     SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
 862     SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
 863     t->memory_type = 0x07; /* RAM */
 864     t->type_detail = cpu_to_le16(0x02); /* Other */
 865     t->speed = cpu_to_le16(type17.speed);
 866     SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
 867     SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
 868     SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
 869     SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
 870     t->attributes = 0; /* Unknown */
 871     t->configured_clock_speed = t->speed; /* reuse value for max speed */
 872     t->minimum_voltage = cpu_to_le16(0); /* Unknown */
 873     t->maximum_voltage = cpu_to_le16(0); /* Unknown */
 874     t->configured_voltage = cpu_to_le16(0); /* Unknown */
 875
 876     SMBIOS_BUILD_TABLE_POST;
 877 }
 878
 879 static void smbios_build_type_19_table(unsigned instance, unsigned offset,
 880                                        uint64_t start, uint64_t size)
 881 {
 882     uint64_t end, start_kb, end_kb;
 883
 884     SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance,
 885                            true); /* required */
 886
 887     end = start + size - 1;
 888     assert(end > start);
 889     start_kb = start / KiB;
 890     end_kb = end / KiB;
 891     if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
 892         t->starting_address = cpu_to_le32(start_kb);
 893         t->ending_address = cpu_to_le32(end_kb);
 894         t->extended_starting_address =
 895             t->extended_ending_address = cpu_to_le64(0);
 896     } else {
 897         t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
 898         t->extended_starting_address = cpu_to_le64(start);
 899         t->extended_ending_address = cpu_to_le64(end);
 900     }
 901     t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
 902     t->partition_width = 1; /* One device per row */
 903
 904     SMBIOS_BUILD_TABLE_POST;
 905 }
 906
 907 static void smbios_build_type_32_table(void)
 908 {
 909     SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */
 910
 911     memset(t->reserved, 0, 6);
 912     t->boot_status = 0; /* No errors detected */
 913
 914     SMBIOS_BUILD_TABLE_POST;
 915 }
 916
 917 static void smbios_build_type_41_table(Error **errp)
 918 {
 919     unsigned instance = 0;
 920     struct type41_instance *t41;
 921
 922     QTAILQ_FOREACH(t41, &type41, next) {
 923         SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true);
 924
 925         SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation);
 926         t->device_type = t41->kind;
 927         t->device_type_instance = t41->instance;
 928         t->segment_group_number = cpu_to_le16(0);
 929         t->bus_number = 0;
 930         t->device_number = 0;
 931
 932         if (t41->pcidev) {
 933             PCIDevice *pdev = NULL;
 934             int rc = pci_qdev_find_device(t41->pcidev, &pdev);
 935             if (rc != 0) {
 936                 error_setg(errp,
 937                            "No PCI device %s for SMBIOS type 41 entry %s",
 938                            t41->pcidev, t41->designation);
 939                 return;
 940             }
 941             /*
 942              * We only handle the case were the device is attached to
 943              * the PCI root bus. The general case is more complex as
 944              * bridges are enumerated later and the table would need
 945              * to be updated at this moment.
 946              */
 947             if (!pci_bus_is_root(pci_get_bus(pdev))) {
 948                 error_setg(errp,
 949                            "Cannot create type 41 entry for PCI device %s: "
 950                            "not attached to the root bus",
 951                            t41->pcidev);
 952                 return;
 953             }
 954             t->segment_group_number = cpu_to_le16(0);
 955             t->bus_number = pci_dev_bus_num(pdev);
 956             t->device_number = pdev->devfn;
 957         }
 958
 959         SMBIOS_BUILD_TABLE_POST;
 960         instance++;
 961     }
 962 }
 963
 964 static void smbios_build_type_127_table(void)
 965 {
 966     SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */
 967     SMBIOS_BUILD_TABLE_POST;
 968 }
 969
 970 void smbios_set_cpuid(uint32_t version, uint32_t features)
 971 {
 972     smbios_cpuid_version = version;
 973     smbios_cpuid_features = features;
 974 }
 975
 976 #define SMBIOS_SET_DEFAULT(field, value)                                  \
 977     if (!field) {                                                         \
 978         field = value;                                                    \
 979     }
 980
 981 void smbios_set_defaults(const char *manufacturer, const char *product,
 982                          const char *version, bool legacy_mode,
 983                          bool uuid_encoded, SmbiosEntryPointType ep_type)
 984 {
 985     smbios_have_defaults = true;
 986     smbios_legacy = legacy_mode;
 987     smbios_uuid_encoded = uuid_encoded;
 988     smbios_ep_type = ep_type;
 989
 990     /* drop unwanted version of command-line file blob(s) */
 991     if (smbios_legacy) {
 992         g_free(smbios_tables);
 993         /* in legacy mode, also complain if fields were given for types > 1 */
 994         if (find_next_bit(have_fields_bitmap,
 995                           SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
 996             error_report("can't process fields for smbios "
 997                          "types > 1 on machine versions < 2.1!");
 998             exit(1);
 999         }
1000     } else {
1001         g_free(smbios_entries);
1002     }
1003
1004     SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
1005     SMBIOS_SET_DEFAULT(type1.product, product);
1006     SMBIOS_SET_DEFAULT(type1.version, version);
1007     SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
1008     SMBIOS_SET_DEFAULT(type2.product, product);
1009     SMBIOS_SET_DEFAULT(type2.version, version);
1010     SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
1011     SMBIOS_SET_DEFAULT(type3.version, version);
1012     SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
1013     SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
1014     SMBIOS_SET_DEFAULT(type4.version, version);
1015     SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
1016     SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
1017 }
1018
1019 static void smbios_entry_point_setup(void)
1020 {
1021     switch (smbios_ep_type) {
1022     case SMBIOS_ENTRY_POINT_TYPE_32:
1023         memcpy(ep.ep21.anchor_string, "_SM_", 4);
1024         memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
1025         ep.ep21.length = sizeof(struct smbios_21_entry_point);
1026         ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
1027         memset(ep.ep21.formatted_area, 0, 5);
1028
1029         /* compliant with smbios spec v2.8 */
1030         ep.ep21.smbios_major_version = 2;
1031         ep.ep21.smbios_minor_version = 8;
1032         ep.ep21.smbios_bcd_revision = 0x28;
1033
1034         /* set during table construction, but BIOS may override: */
1035         ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
1036         ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
1037         ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
1038
1039         /* BIOS must recalculate */
1040         ep.ep21.checksum = 0;
1041         ep.ep21.intermediate_checksum = 0;
1042         ep.ep21.structure_table_address = cpu_to_le32(0);
1043
1044         break;
1045     case SMBIOS_ENTRY_POINT_TYPE_64:
1046         memcpy(ep.ep30.anchor_string, "_SM3_", 5);
1047         ep.ep30.length = sizeof(struct smbios_30_entry_point);
1048         ep.ep30.entry_point_revision = 1;
1049         ep.ep30.reserved = 0;
1050
1051         /* compliant with smbios spec 3.0 */
1052         ep.ep30.smbios_major_version = 3;
1053         ep.ep30.smbios_minor_version = 0;
1054         ep.ep30.smbios_doc_rev = 0;
1055
1056         /* set during table construct, but BIOS might override */
1057         ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
1058
1059         /* BIOS must recalculate */
1060         ep.ep30.checksum = 0;
1061         ep.ep30.structure_table_address = cpu_to_le64(0);
1062
1063         break;
1064     default:
1065         abort();
1066         break;
1067     }
1068 }
1069
1070 void smbios_get_tables(MachineState *ms,
1071                        const struct smbios_phys_mem_area *mem_array,
1072                        const unsigned int mem_array_size,
1073                        uint8_t **tables, size_t *tables_len,
1074                        uint8_t **anchor, size_t *anchor_len,
1075                        Error **errp)
1076 {
1077     unsigned i, dimm_cnt, offset;
1078
1079     if (smbios_legacy) {
1080         *tables = *anchor = NULL;
1081         *tables_len = *anchor_len = 0;
1082         return;
1083     }
1084
1085     if (!smbios_immutable) {
1086         smbios_build_type_0_table();
1087         smbios_build_type_1_table();
1088         smbios_build_type_2_table();
1089         smbios_build_type_3_table();
1090
1091         smbios_smp_sockets = DIV_ROUND_UP(ms->smp.cpus,
1092                                           ms->smp.cores * ms->smp.threads);
1093         assert(smbios_smp_sockets >= 1);
1094
1095         for (i = 0; i < smbios_smp_sockets; i++) {
1096             smbios_build_type_4_table(ms, i);
1097         }
1098
1099         smbios_build_type_8_table();
1100         smbios_build_type_11_table();
1101
1102 #define MAX_DIMM_SZ (16 * GiB)
1103 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
1104                                         : ((current_machine->ram_size - 1) % MAX_DIMM_SZ) + 1)
1105
1106         dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
1107
1108         /*
1109          * The offset determines if we need to keep additional space betweeen
1110          * table 17 and table 19 header handle numbers so that they do
1111          * not overlap. For example, for a VM with larger than 8 TB guest
1112          * memory and DIMM like chunks of 16 GiB, the default space between
1113          * the two tables (T19_BASE - T17_BASE = 512) is not enough.
1114          */
1115         offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \
1116                  dimm_cnt - (T19_BASE - T17_BASE) : 0;
1117
1118         smbios_build_type_16_table(dimm_cnt);
1119
1120         for (i = 0; i < dimm_cnt; i++) {
1121             smbios_build_type_17_table(i, GET_DIMM_SZ);
1122         }
1123
1124         for (i = 0; i < mem_array_size; i++) {
1125             smbios_build_type_19_table(i, offset, mem_array[i].address,
1126                                        mem_array[i].length);
1127         }
1128
1129         /*
1130          * make sure 16 bit handle numbers in the headers of tables 19
1131          * and 32 do not overlap.
1132          */
1133         assert((mem_array_size + offset) < (T32_BASE - T19_BASE));
1134
1135         smbios_build_type_32_table();
1136         smbios_build_type_38_table();
1137         smbios_build_type_41_table(errp);
1138         smbios_build_type_127_table();
1139
1140         smbios_validate_table(ms);
1141         smbios_entry_point_setup();
1142         smbios_immutable = true;
1143     }
1144
1145     /* return tables blob and entry point (anchor), and their sizes */
1146     *tables = smbios_tables;
1147     *tables_len = smbios_tables_len;
1148     *anchor = (uint8_t *)&ep;
1149
1150     /* calculate length based on anchor string */
1151     if (!strncmp((char *)&ep, "_SM_", 4)) {
1152         *anchor_len = sizeof(struct smbios_21_entry_point);
1153     } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
1154         *anchor_len = sizeof(struct smbios_30_entry_point);
1155     } else {
1156         abort();
1157     }
1158 }
1159
1160 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
1161 {
1162     const char *val = qemu_opt_get(opts, name);
1163
1164     if (val) {
1165         *dest = val;
1166     }
1167 }
1168
1169
1170 struct opt_list {
1171     size_t *ndest;
1172     char ***dest;
1173 };
1174
1175 static int save_opt_one(void *opaque,
1176                         const char *name, const char *value,
1177                         Error **errp)
1178 {
1179     struct opt_list *opt = opaque;
1180
1181     if (g_str_equal(name, "path")) {
1182         g_autoptr(GByteArray) data = g_byte_array_new();
1183         g_autofree char *buf = g_new(char, 4096);
1184         ssize_t ret;
1185         int fd = qemu_open(value, O_RDONLY, errp);
1186         if (fd < 0) {
1187             return -1;
1188         }
1189
1190         while (1) {
1191             ret = read(fd, buf, 4096);
1192             if (ret == 0) {
1193                 break;
1194             }
1195             if (ret < 0) {
1196                 error_setg(errp, "Unable to read from %s: %s",
1197                            value, strerror(errno));
1198                 qemu_close(fd);
1199                 return -1;
1200             }
1201             if (memchr(buf, '\0', ret)) {
1202                 error_setg(errp, "NUL in OEM strings value in %s", value);
1203                 qemu_close(fd);
1204                 return -1;
1205             }
1206             g_byte_array_append(data, (guint8 *)buf, ret);
1207         }
1208
1209         qemu_close(fd);
1210
1211         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1212         (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data,  FALSE);
1213         (*opt->ndest)++;
1214         data = NULL;
1215    } else if (g_str_equal(name, "value")) {
1216         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1217         (*opt->dest)[*opt->ndest] = g_strdup(value);
1218         (*opt->ndest)++;
1219     } else if (!g_str_equal(name, "type")) {
1220         error_setg(errp, "Unexpected option %s", name);
1221         return -1;
1222     }
1223
1224     return 0;
1225 }
1226
1227 static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts,
1228                           Error **errp)
1229 {
1230     struct opt_list opt = {
1231         ndest, dest,
1232     };
1233     if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) {
1234         return false;
1235     }
1236     return true;
1237 }
1238
1239 void smbios_entry_add(QemuOpts *opts, Error **errp)
1240 {
1241     const char *val;
1242
1243     assert(!smbios_immutable);
1244
1245     val = qemu_opt_get(opts, "file");
1246     if (val) {
1247         struct smbios_structure_header *header;
1248         int size;
1249         struct smbios_table *table; /* legacy mode only */
1250
1251         if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
1252             return;
1253         }
1254
1255         size = get_image_size(val);
1256         if (size == -1 || size < sizeof(struct smbios_structure_header)) {
1257             error_setg(errp, "Cannot read SMBIOS file %s", val);
1258             return;
1259         }
1260
1261         /*
1262          * NOTE: standard double '\0' terminator expected, per smbios spec.
1263          * (except in legacy mode, where the second '\0' is implicit and
1264          *  will be inserted by the BIOS).
1265          */
1266         smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
1267         header = (struct smbios_structure_header *)(smbios_tables +
1268                                                     smbios_tables_len);
1269
1270         if (load_image_size(val, (uint8_t *)header, size) != size) {
1271             error_setg(errp, "Failed to load SMBIOS file %s", val);
1272             return;
1273         }
1274
1275         if (header->type <= SMBIOS_MAX_TYPE) {
1276             if (test_bit(header->type, have_fields_bitmap)) {
1277                 error_setg(errp,
1278                            "can't load type %d struct, fields already specified!",
1279                            header->type);
1280                 return;
1281             }
1282             set_bit(header->type, have_binfile_bitmap);
1283         }
1284
1285         if (header->type == 4) {
1286             smbios_type4_count++;
1287         }
1288
1289         smbios_tables_len += size;
1290         if (size > smbios_table_max) {
1291             smbios_table_max = size;
1292         }
1293         smbios_table_cnt++;
1294
1295         /* add a copy of the newly loaded blob to legacy smbios_entries */
1296         /* NOTE: This code runs before smbios_set_defaults(), so we don't
1297          *       yet know which mode (legacy vs. aggregate-table) will be
1298          *       required. We therefore add the binary blob to both legacy
1299          *       (smbios_entries) and aggregate (smbios_tables) tables, and
1300          *       delete the one we don't need from smbios_set_defaults(),
1301          *       once we know which machine version has been requested.
1302          */
1303         if (!smbios_entries) {
1304             smbios_entries_len = sizeof(uint16_t);
1305             smbios_entries = g_malloc0(smbios_entries_len);
1306         }
1307         smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1308                                                    size + sizeof(*table));
1309         table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1310         table->header.type = SMBIOS_TABLE_ENTRY;
1311         table->header.length = cpu_to_le16(sizeof(*table) + size);
1312         memcpy(table->data, header, size);
1313         smbios_entries_len += sizeof(*table) + size;
1314         (*(uint16_t *)smbios_entries) =
1315                 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1316         /* end: add a copy of the newly loaded blob to legacy smbios_entries */
1317
1318         return;
1319     }
1320
1321     val = qemu_opt_get(opts, "type");
1322     if (val) {
1323         unsigned long type = strtoul(val, NULL, 0);
1324
1325         if (type > SMBIOS_MAX_TYPE) {
1326             error_setg(errp, "out of range!");
1327             return;
1328         }
1329
1330         if (test_bit(type, have_binfile_bitmap)) {
1331             error_setg(errp, "can't add fields, binary file already loaded!");
1332             return;
1333         }
1334         set_bit(type, have_fields_bitmap);
1335
1336         switch (type) {
1337         case 0:
1338             if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
1339                 return;
1340             }
1341             save_opt(&type0.vendor, opts, "vendor");
1342             save_opt(&type0.version, opts, "version");
1343             save_opt(&type0.date, opts, "date");
1344             type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1345
1346             val = qemu_opt_get(opts, "release");
1347             if (val) {
1348                 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1349                     error_setg(errp, "Invalid release");
1350                     return;
1351                 }
1352                 type0.have_major_minor = true;
1353             }
1354             return;
1355         case 1:
1356             if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
1357                 return;
1358             }
1359             save_opt(&type1.manufacturer, opts, "manufacturer");
1360             save_opt(&type1.product, opts, "product");
1361             save_opt(&type1.version, opts, "version");
1362             save_opt(&type1.serial, opts, "serial");
1363             save_opt(&type1.sku, opts, "sku");
1364             save_opt(&type1.family, opts, "family");
1365
1366             val = qemu_opt_get(opts, "uuid");
1367             if (val) {
1368                 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1369                     error_setg(errp, "Invalid UUID");
1370                     return;
1371                 }
1372                 qemu_uuid_set = true;
1373             }
1374             return;
1375         case 2:
1376             if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
1377                 return;
1378             }
1379             save_opt(&type2.manufacturer, opts, "manufacturer");
1380             save_opt(&type2.product, opts, "product");
1381             save_opt(&type2.version, opts, "version");
1382             save_opt(&type2.serial, opts, "serial");
1383             save_opt(&type2.asset, opts, "asset");
1384             save_opt(&type2.location, opts, "location");
1385             return;
1386         case 3:
1387             if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
1388                 return;
1389             }
1390             save_opt(&type3.manufacturer, opts, "manufacturer");
1391             save_opt(&type3.version, opts, "version");
1392             save_opt(&type3.serial, opts, "serial");
1393             save_opt(&type3.asset, opts, "asset");
1394             save_opt(&type3.sku, opts, "sku");
1395             return;
1396         case 4:
1397             if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
1398                 return;
1399             }
1400             save_opt(&type4.sock_pfx, opts, "sock_pfx");
1401             save_opt(&type4.manufacturer, opts, "manufacturer");
1402             save_opt(&type4.version, opts, "version");
1403             save_opt(&type4.serial, opts, "serial");
1404             save_opt(&type4.asset, opts, "asset");
1405             save_opt(&type4.part, opts, "part");
1406             /* If the value is 0, it will take the value from the CPU model. */
1407             type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0);
1408             type4.max_speed = qemu_opt_get_number(opts, "max-speed",
1409                                                   DEFAULT_CPU_SPEED);
1410             type4.current_speed = qemu_opt_get_number(opts, "current-speed",
1411                                                       DEFAULT_CPU_SPEED);
1412             if (type4.max_speed > UINT16_MAX ||
1413                 type4.current_speed > UINT16_MAX) {
1414                 error_setg(errp, "SMBIOS CPU speed is too large (> %d)",
1415                            UINT16_MAX);
1416             }
1417             return;
1418         case 8:
1419             if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) {
1420                 return;
1421             }
1422             struct type8_instance *t;
1423             t = g_new0(struct type8_instance, 1);
1424             save_opt(&t->internal_reference, opts, "internal_reference");
1425             save_opt(&t->external_reference, opts, "external_reference");
1426             t->connector_type = qemu_opt_get_number(opts, "connector_type", 0);
1427             t->port_type = qemu_opt_get_number(opts, "port_type", 0);
1428             QTAILQ_INSERT_TAIL(&type8, t, next);
1429             return;
1430         case 11:
1431             if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
1432                 return;
1433             }
1434             if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) {
1435                 return;
1436             }
1437             return;
1438         case 17:
1439             if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
1440                 return;
1441             }
1442             save_opt(&type17.loc_pfx, opts, "loc_pfx");
1443             save_opt(&type17.bank, opts, "bank");
1444             save_opt(&type17.manufacturer, opts, "manufacturer");
1445             save_opt(&type17.serial, opts, "serial");
1446             save_opt(&type17.asset, opts, "asset");
1447             save_opt(&type17.part, opts, "part");
1448             type17.speed = qemu_opt_get_number(opts, "speed", 0);
1449             return;
1450         case 41: {
1451             struct type41_instance *t;
1452             Error *local_err = NULL;
1453
1454             if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) {
1455                 return;
1456             }
1457             t = g_new0(struct type41_instance, 1);
1458             save_opt(&t->designation, opts, "designation");
1459             t->kind = qapi_enum_parse(&type41_kind_lookup,
1460                                       qemu_opt_get(opts, "kind"),
1461                                       0, &local_err) + 1;
1462             t->kind |= 0x80;     /* enabled */
1463             if (local_err != NULL) {
1464                 error_propagate(errp, local_err);
1465                 g_free(t);
1466                 return;
1467             }
1468             t->instance = qemu_opt_get_number(opts, "instance", 1);
1469             save_opt(&t->pcidev, opts, "pcidev");
1470
1471             QTAILQ_INSERT_TAIL(&type41, t, next);
1472             return;
1473         }
1474         default:
1475             error_setg(errp,
1476                        "Don't know how to build fields for SMBIOS type %ld",
1477                        type);
1478             return;
1479         }
1480     }
1481
1482     error_setg(errp, "Must specify type= or file=");
1483 }