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