qemu

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smbios.c (47616B)


      1 /*
      2  * SMBIOS Support
      3  *
      4  * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
      5  * Copyright (C) 2013 Red Hat, Inc.
      6  *
      7  * Authors:
      8  *  Alex Williamson <alex.williamson@hp.com>
      9  *  Markus Armbruster <armbru@redhat.com>
     10  *
     11  * This work is licensed under the terms of the GNU GPL, version 2.  See
     12  * the COPYING file in the top-level directory.
     13  *
     14  * Contributions after 2012-01-13 are licensed under the terms of the
     15  * GNU GPL, version 2 or (at your option) any later version.
     16  */
     17 
     18 #include "qemu/osdep.h"
     19 #include "qemu/units.h"
     20 #include "qapi/error.h"
     21 #include "qemu/config-file.h"
     22 #include "qemu/error-report.h"
     23 #include "qemu/module.h"
     24 #include "qemu/option.h"
     25 #include "sysemu/sysemu.h"
     26 #include "qemu/uuid.h"
     27 #include "hw/firmware/smbios.h"
     28 #include "hw/loader.h"
     29 #include "hw/boards.h"
     30 #include "hw/pci/pci_bus.h"
     31 #include "smbios_build.h"
     32 
     33 /* legacy structures and constants for <= 2.0 machines */
     34 struct smbios_header {
     35     uint16_t length;
     36     uint8_t type;
     37 } QEMU_PACKED;
     38 
     39 struct smbios_field {
     40     struct smbios_header header;
     41     uint8_t type;
     42     uint16_t offset;
     43     uint8_t data[];
     44 } QEMU_PACKED;
     45 
     46 struct smbios_table {
     47     struct smbios_header header;
     48     uint8_t data[];
     49 } QEMU_PACKED;
     50 
     51 #define SMBIOS_FIELD_ENTRY 0
     52 #define SMBIOS_TABLE_ENTRY 1
     53 
     54 static uint8_t *smbios_entries;
     55 static size_t smbios_entries_len;
     56 static bool smbios_legacy = true;
     57 static bool smbios_uuid_encoded = true;
     58 /* end: legacy structures & constants for <= 2.0 machines */
     59 
     60 
     61 uint8_t *smbios_tables;
     62 size_t smbios_tables_len;
     63 unsigned smbios_table_max;
     64 unsigned smbios_table_cnt;
     65 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
     66 
     67 static SmbiosEntryPoint ep;
     68 
     69 static int smbios_type4_count = 0;
     70 static bool smbios_immutable;
     71 static bool smbios_have_defaults;
     72 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
     73 
     74 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
     75 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
     76 
     77 static struct {
     78     const char *vendor, *version, *date;
     79     bool have_major_minor, uefi;
     80     uint8_t major, minor;
     81 } type0;
     82 
     83 static struct {
     84     const char *manufacturer, *product, *version, *serial, *sku, *family;
     85     /* uuid is in qemu_uuid */
     86 } type1;
     87 
     88 static struct {
     89     const char *manufacturer, *product, *version, *serial, *asset, *location;
     90 } type2;
     91 
     92 static struct {
     93     const char *manufacturer, *version, *serial, *asset, *sku;
     94 } type3;
     95 
     96 /*
     97  * SVVP requires max_speed and current_speed to be set and not being
     98  * 0 which counts as unknown (SMBIOS 3.1.0/Table 21). Set the
     99  * default value to 2000MHz as we did before.
    100  */
    101 #define DEFAULT_CPU_SPEED 2000
    102 
    103 static struct {
    104     const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
    105     uint64_t max_speed;
    106     uint64_t current_speed;
    107     uint64_t processor_id;
    108 } type4 = {
    109     .max_speed = DEFAULT_CPU_SPEED,
    110     .current_speed = DEFAULT_CPU_SPEED,
    111     .processor_id = 0,
    112 };
    113 
    114 struct type8_instance {
    115     const char *internal_reference, *external_reference;
    116     uint8_t connector_type, port_type;
    117     QTAILQ_ENTRY(type8_instance) next;
    118 };
    119 static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
    120 
    121 static struct {
    122     size_t nvalues;
    123     char **values;
    124 } type11;
    125 
    126 static struct {
    127     const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
    128     uint16_t speed;
    129 } type17;
    130 
    131 static QEnumLookup type41_kind_lookup = {
    132     .array = (const char *const[]) {
    133         "other",
    134         "unknown",
    135         "video",
    136         "scsi",
    137         "ethernet",
    138         "tokenring",
    139         "sound",
    140         "pata",
    141         "sata",
    142         "sas",
    143     },
    144     .size = 10
    145 };
    146 struct type41_instance {
    147     const char *designation, *pcidev;
    148     uint8_t instance, kind;
    149     QTAILQ_ENTRY(type41_instance) next;
    150 };
    151 static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41);
    152 
    153 static QemuOptsList qemu_smbios_opts = {
    154     .name = "smbios",
    155     .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
    156     .desc = {
    157         /*
    158          * no elements => accept any params
    159          * validation will happen later
    160          */
    161         { /* end of list */ }
    162     }
    163 };
    164 
    165 static const QemuOptDesc qemu_smbios_file_opts[] = {
    166     {
    167         .name = "file",
    168         .type = QEMU_OPT_STRING,
    169         .help = "binary file containing an SMBIOS element",
    170     },
    171     { /* end of list */ }
    172 };
    173 
    174 static const QemuOptDesc qemu_smbios_type0_opts[] = {
    175     {
    176         .name = "type",
    177         .type = QEMU_OPT_NUMBER,
    178         .help = "SMBIOS element type",
    179     },{
    180         .name = "vendor",
    181         .type = QEMU_OPT_STRING,
    182         .help = "vendor name",
    183     },{
    184         .name = "version",
    185         .type = QEMU_OPT_STRING,
    186         .help = "version number",
    187     },{
    188         .name = "date",
    189         .type = QEMU_OPT_STRING,
    190         .help = "release date",
    191     },{
    192         .name = "release",
    193         .type = QEMU_OPT_STRING,
    194         .help = "revision number",
    195     },{
    196         .name = "uefi",
    197         .type = QEMU_OPT_BOOL,
    198         .help = "uefi support",
    199     },
    200     { /* end of list */ }
    201 };
    202 
    203 static const QemuOptDesc qemu_smbios_type1_opts[] = {
    204     {
    205         .name = "type",
    206         .type = QEMU_OPT_NUMBER,
    207         .help = "SMBIOS element type",
    208     },{
    209         .name = "manufacturer",
    210         .type = QEMU_OPT_STRING,
    211         .help = "manufacturer name",
    212     },{
    213         .name = "product",
    214         .type = QEMU_OPT_STRING,
    215         .help = "product name",
    216     },{
    217         .name = "version",
    218         .type = QEMU_OPT_STRING,
    219         .help = "version number",
    220     },{
    221         .name = "serial",
    222         .type = QEMU_OPT_STRING,
    223         .help = "serial number",
    224     },{
    225         .name = "uuid",
    226         .type = QEMU_OPT_STRING,
    227         .help = "UUID",
    228     },{
    229         .name = "sku",
    230         .type = QEMU_OPT_STRING,
    231         .help = "SKU number",
    232     },{
    233         .name = "family",
    234         .type = QEMU_OPT_STRING,
    235         .help = "family name",
    236     },
    237     { /* end of list */ }
    238 };
    239 
    240 static const QemuOptDesc qemu_smbios_type2_opts[] = {
    241     {
    242         .name = "type",
    243         .type = QEMU_OPT_NUMBER,
    244         .help = "SMBIOS element type",
    245     },{
    246         .name = "manufacturer",
    247         .type = QEMU_OPT_STRING,
    248         .help = "manufacturer name",
    249     },{
    250         .name = "product",
    251         .type = QEMU_OPT_STRING,
    252         .help = "product name",
    253     },{
    254         .name = "version",
    255         .type = QEMU_OPT_STRING,
    256         .help = "version number",
    257     },{
    258         .name = "serial",
    259         .type = QEMU_OPT_STRING,
    260         .help = "serial number",
    261     },{
    262         .name = "asset",
    263         .type = QEMU_OPT_STRING,
    264         .help = "asset tag number",
    265     },{
    266         .name = "location",
    267         .type = QEMU_OPT_STRING,
    268         .help = "location in chassis",
    269     },
    270     { /* end of list */ }
    271 };
    272 
    273 static const QemuOptDesc qemu_smbios_type3_opts[] = {
    274     {
    275         .name = "type",
    276         .type = QEMU_OPT_NUMBER,
    277         .help = "SMBIOS element type",
    278     },{
    279         .name = "manufacturer",
    280         .type = QEMU_OPT_STRING,
    281         .help = "manufacturer name",
    282     },{
    283         .name = "version",
    284         .type = QEMU_OPT_STRING,
    285         .help = "version number",
    286     },{
    287         .name = "serial",
    288         .type = QEMU_OPT_STRING,
    289         .help = "serial number",
    290     },{
    291         .name = "asset",
    292         .type = QEMU_OPT_STRING,
    293         .help = "asset tag number",
    294     },{
    295         .name = "sku",
    296         .type = QEMU_OPT_STRING,
    297         .help = "SKU number",
    298     },
    299     { /* end of list */ }
    300 };
    301 
    302 static const QemuOptDesc qemu_smbios_type4_opts[] = {
    303     {
    304         .name = "type",
    305         .type = QEMU_OPT_NUMBER,
    306         .help = "SMBIOS element type",
    307     },{
    308         .name = "sock_pfx",
    309         .type = QEMU_OPT_STRING,
    310         .help = "socket designation string prefix",
    311     },{
    312         .name = "manufacturer",
    313         .type = QEMU_OPT_STRING,
    314         .help = "manufacturer name",
    315     },{
    316         .name = "version",
    317         .type = QEMU_OPT_STRING,
    318         .help = "version number",
    319     },{
    320         .name = "max-speed",
    321         .type = QEMU_OPT_NUMBER,
    322         .help = "max speed in MHz",
    323     },{
    324         .name = "current-speed",
    325         .type = QEMU_OPT_NUMBER,
    326         .help = "speed at system boot in MHz",
    327     },{
    328         .name = "serial",
    329         .type = QEMU_OPT_STRING,
    330         .help = "serial number",
    331     },{
    332         .name = "asset",
    333         .type = QEMU_OPT_STRING,
    334         .help = "asset tag number",
    335     },{
    336         .name = "part",
    337         .type = QEMU_OPT_STRING,
    338         .help = "part number",
    339     }, {
    340         .name = "processor-id",
    341         .type = QEMU_OPT_NUMBER,
    342         .help = "processor id",
    343     },
    344     { /* end of list */ }
    345 };
    346 
    347 static const QemuOptDesc qemu_smbios_type8_opts[] = {
    348     {
    349         .name = "internal_reference",
    350         .type = QEMU_OPT_STRING,
    351         .help = "internal reference designator",
    352     },
    353     {
    354         .name = "external_reference",
    355         .type = QEMU_OPT_STRING,
    356         .help = "external reference designator",
    357     },
    358     {
    359         .name = "connector_type",
    360         .type = QEMU_OPT_NUMBER,
    361         .help = "connector type",
    362     },
    363     {
    364         .name = "port_type",
    365         .type = QEMU_OPT_NUMBER,
    366         .help = "port type",
    367     },
    368 };
    369 
    370 static const QemuOptDesc qemu_smbios_type11_opts[] = {
    371     {
    372         .name = "value",
    373         .type = QEMU_OPT_STRING,
    374         .help = "OEM string data",
    375     },
    376     {
    377         .name = "path",
    378         .type = QEMU_OPT_STRING,
    379         .help = "OEM string data from file",
    380     },
    381 };
    382 
    383 static const QemuOptDesc qemu_smbios_type17_opts[] = {
    384     {
    385         .name = "type",
    386         .type = QEMU_OPT_NUMBER,
    387         .help = "SMBIOS element type",
    388     },{
    389         .name = "loc_pfx",
    390         .type = QEMU_OPT_STRING,
    391         .help = "device locator string prefix",
    392     },{
    393         .name = "bank",
    394         .type = QEMU_OPT_STRING,
    395         .help = "bank locator string",
    396     },{
    397         .name = "manufacturer",
    398         .type = QEMU_OPT_STRING,
    399         .help = "manufacturer name",
    400     },{
    401         .name = "serial",
    402         .type = QEMU_OPT_STRING,
    403         .help = "serial number",
    404     },{
    405         .name = "asset",
    406         .type = QEMU_OPT_STRING,
    407         .help = "asset tag number",
    408     },{
    409         .name = "part",
    410         .type = QEMU_OPT_STRING,
    411         .help = "part number",
    412     },{
    413         .name = "speed",
    414         .type = QEMU_OPT_NUMBER,
    415         .help = "maximum capable speed",
    416     },
    417     { /* end of list */ }
    418 };
    419 
    420 static const QemuOptDesc qemu_smbios_type41_opts[] = {
    421     {
    422         .name = "type",
    423         .type = QEMU_OPT_NUMBER,
    424         .help = "SMBIOS element type",
    425     },{
    426         .name = "designation",
    427         .type = QEMU_OPT_STRING,
    428         .help = "reference designation string",
    429     },{
    430         .name = "kind",
    431         .type = QEMU_OPT_STRING,
    432         .help = "device type",
    433         .def_value_str = "other",
    434     },{
    435         .name = "instance",
    436         .type = QEMU_OPT_NUMBER,
    437         .help = "device type instance",
    438     },{
    439         .name = "pcidev",
    440         .type = QEMU_OPT_STRING,
    441         .help = "PCI device",
    442     },
    443     { /* end of list */ }
    444 };
    445 
    446 static void smbios_register_config(void)
    447 {
    448     qemu_add_opts(&qemu_smbios_opts);
    449 }
    450 
    451 opts_init(smbios_register_config);
    452 
    453 /*
    454  * The SMBIOS 2.1 "structure table length" field in the
    455  * entry point uses a 16-bit integer, so we're limited
    456  * in total table size
    457  */
    458 #define SMBIOS_21_MAX_TABLES_LEN 0xffff
    459 
    460 static void smbios_validate_table(MachineState *ms)
    461 {
    462     uint32_t expect_t4_count = smbios_legacy ?
    463                                         ms->smp.cpus : smbios_smp_sockets;
    464 
    465     if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
    466         error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
    467                      expect_t4_count, smbios_type4_count);
    468         exit(1);
    469     }
    470 
    471     if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
    472         smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) {
    473         error_report("SMBIOS 2.1 table length %zu exceeds %d",
    474                      smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN);
    475         exit(1);
    476     }
    477 }
    478 
    479 
    480 /* legacy setup functions for <= 2.0 machines */
    481 static void smbios_add_field(int type, int offset, const void *data, size_t len)
    482 {
    483     struct smbios_field *field;
    484 
    485     if (!smbios_entries) {
    486         smbios_entries_len = sizeof(uint16_t);
    487         smbios_entries = g_malloc0(smbios_entries_len);
    488     }
    489     smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
    490                                                   sizeof(*field) + len);
    491     field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
    492     field->header.type = SMBIOS_FIELD_ENTRY;
    493     field->header.length = cpu_to_le16(sizeof(*field) + len);
    494 
    495     field->type = type;
    496     field->offset = cpu_to_le16(offset);
    497     memcpy(field->data, data, len);
    498 
    499     smbios_entries_len += sizeof(*field) + len;
    500     (*(uint16_t *)smbios_entries) =
    501             cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
    502 }
    503 
    504 static void smbios_maybe_add_str(int type, int offset, const char *data)
    505 {
    506     if (data) {
    507         smbios_add_field(type, offset, data, strlen(data) + 1);
    508     }
    509 }
    510 
    511 static void smbios_build_type_0_fields(void)
    512 {
    513     smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
    514                          type0.vendor);
    515     smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
    516                          type0.version);
    517     smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
    518                                      bios_release_date_str),
    519                          type0.date);
    520     if (type0.have_major_minor) {
    521         smbios_add_field(0, offsetof(struct smbios_type_0,
    522                                      system_bios_major_release),
    523                          &type0.major, 1);
    524         smbios_add_field(0, offsetof(struct smbios_type_0,
    525                                      system_bios_minor_release),
    526                          &type0.minor, 1);
    527     }
    528 }
    529 
    530 static void smbios_build_type_1_fields(void)
    531 {
    532     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
    533                          type1.manufacturer);
    534     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
    535                          type1.product);
    536     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
    537                          type1.version);
    538     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
    539                          type1.serial);
    540     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
    541                          type1.sku);
    542     smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
    543                          type1.family);
    544     if (qemu_uuid_set) {
    545         /* We don't encode the UUID in the "wire format" here because this
    546          * function is for legacy mode and needs to keep the guest ABI, and
    547          * because we don't know what's the SMBIOS version advertised by the
    548          * BIOS.
    549          */
    550         smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
    551                          &qemu_uuid, 16);
    552     }
    553 }
    554 
    555 uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
    556 {
    557     if (!smbios_legacy) {
    558         *length = 0;
    559         return NULL;
    560     }
    561 
    562     if (!smbios_immutable) {
    563         smbios_build_type_0_fields();
    564         smbios_build_type_1_fields();
    565         smbios_validate_table(ms);
    566         smbios_immutable = true;
    567     }
    568     *length = smbios_entries_len;
    569     return smbios_entries;
    570 }
    571 /* end: legacy setup functions for <= 2.0 machines */
    572 
    573 
    574 bool smbios_skip_table(uint8_t type, bool required_table)
    575 {
    576     if (test_bit(type, have_binfile_bitmap)) {
    577         return true; /* user provided their own binary blob(s) */
    578     }
    579     if (test_bit(type, have_fields_bitmap)) {
    580         return false; /* user provided fields via command line */
    581     }
    582     if (smbios_have_defaults && required_table) {
    583         return false; /* we're building tables, and this one's required */
    584     }
    585     return true;
    586 }
    587 
    588 #define T0_BASE 0x000
    589 #define T1_BASE 0x100
    590 #define T2_BASE 0x200
    591 #define T3_BASE 0x300
    592 #define T4_BASE 0x400
    593 #define T11_BASE 0xe00
    594 
    595 #define T16_BASE 0x1000
    596 #define T17_BASE 0x1100
    597 #define T19_BASE 0x1300
    598 #define T32_BASE 0x2000
    599 #define T41_BASE 0x2900
    600 #define T127_BASE 0x7F00
    601 
    602 static void smbios_build_type_0_table(void)
    603 {
    604     SMBIOS_BUILD_TABLE_PRE(0, T0_BASE, false); /* optional, leave up to BIOS */
    605 
    606     SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
    607     SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
    608 
    609     t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
    610 
    611     SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
    612 
    613     t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
    614 
    615     t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
    616     t->bios_characteristics_extension_bytes[0] = 0;
    617     t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
    618     if (type0.uefi) {
    619         t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
    620     }
    621 
    622     if (type0.have_major_minor) {
    623         t->system_bios_major_release = type0.major;
    624         t->system_bios_minor_release = type0.minor;
    625     } else {
    626         t->system_bios_major_release = 0;
    627         t->system_bios_minor_release = 0;
    628     }
    629 
    630     /* hardcoded in SeaBIOS */
    631     t->embedded_controller_major_release = 0xFF;
    632     t->embedded_controller_minor_release = 0xFF;
    633 
    634     SMBIOS_BUILD_TABLE_POST;
    635 }
    636 
    637 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
    638  * format specified by SMBIOS version 2.6.
    639  */
    640 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
    641 {
    642     memcpy(uuid, in, 16);
    643     if (smbios_uuid_encoded) {
    644         uuid->time_low = bswap32(uuid->time_low);
    645         uuid->time_mid = bswap16(uuid->time_mid);
    646         uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
    647     }
    648 }
    649 
    650 static void smbios_build_type_1_table(void)
    651 {
    652     SMBIOS_BUILD_TABLE_PRE(1, T1_BASE, true); /* required */
    653 
    654     SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
    655     SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
    656     SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
    657     SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
    658     if (qemu_uuid_set) {
    659         smbios_encode_uuid(&t->uuid, &qemu_uuid);
    660     } else {
    661         memset(&t->uuid, 0, 16);
    662     }
    663     t->wake_up_type = 0x06; /* power switch */
    664     SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
    665     SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
    666 
    667     SMBIOS_BUILD_TABLE_POST;
    668 }
    669 
    670 static void smbios_build_type_2_table(void)
    671 {
    672     SMBIOS_BUILD_TABLE_PRE(2, T2_BASE, false); /* optional */
    673 
    674     SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
    675     SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
    676     SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
    677     SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
    678     SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
    679     t->feature_flags = 0x01; /* Motherboard */
    680     SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
    681     t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
    682     t->board_type = 0x0A; /* Motherboard */
    683     t->contained_element_count = 0;
    684 
    685     SMBIOS_BUILD_TABLE_POST;
    686 }
    687 
    688 static void smbios_build_type_3_table(void)
    689 {
    690     SMBIOS_BUILD_TABLE_PRE(3, T3_BASE, true); /* required */
    691 
    692     SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
    693     t->type = 0x01; /* Other */
    694     SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
    695     SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
    696     SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
    697     t->boot_up_state = 0x03; /* Safe */
    698     t->power_supply_state = 0x03; /* Safe */
    699     t->thermal_state = 0x03; /* Safe */
    700     t->security_status = 0x02; /* Unknown */
    701     t->oem_defined = cpu_to_le32(0);
    702     t->height = 0;
    703     t->number_of_power_cords = 0;
    704     t->contained_element_count = 0;
    705     t->contained_element_record_length = 0;
    706     SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
    707 
    708     SMBIOS_BUILD_TABLE_POST;
    709 }
    710 
    711 static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
    712 {
    713     char sock_str[128];
    714     size_t tbl_len = SMBIOS_TYPE_4_LEN_V28;
    715 
    716     if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
    717         tbl_len = SMBIOS_TYPE_4_LEN_V30;
    718     }
    719 
    720     SMBIOS_BUILD_TABLE_PRE_SIZE(4, T4_BASE + instance,
    721                                 true, tbl_len); /* required */
    722 
    723     snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
    724     SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
    725     t->processor_type = 0x03; /* CPU */
    726     t->processor_family = 0x01; /* Other */
    727     SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
    728     if (type4.processor_id == 0) {
    729         t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
    730         t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
    731     } else {
    732         t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id);
    733         t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32);
    734     }
    735     SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
    736     t->voltage = 0;
    737     t->external_clock = cpu_to_le16(0); /* Unknown */
    738     t->max_speed = cpu_to_le16(type4.max_speed);
    739     t->current_speed = cpu_to_le16(type4.current_speed);
    740     t->status = 0x41; /* Socket populated, CPU enabled */
    741     t->processor_upgrade = 0x01; /* Other */
    742     t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
    743     t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
    744     t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
    745     SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
    746     SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
    747     SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
    748 
    749     t->core_count = (ms->smp.cores > 255) ? 0xFF : ms->smp.cores;
    750     t->core_enabled = t->core_count;
    751 
    752     t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
    753 
    754     t->thread_count = (ms->smp.threads > 255) ? 0xFF : ms->smp.threads;
    755     t->thread_count2 = cpu_to_le16(ms->smp.threads);
    756 
    757     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
    758     t->processor_family2 = cpu_to_le16(0x01); /* Other */
    759 
    760     SMBIOS_BUILD_TABLE_POST;
    761     smbios_type4_count++;
    762 }
    763 
    764 static void smbios_build_type_8_table(void)
    765 {
    766     unsigned instance = 0;
    767     struct type8_instance *t8;
    768 
    769     QTAILQ_FOREACH(t8, &type8, next) {
    770         SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true);
    771 
    772         SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference);
    773         SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference);
    774         /* most vendors seem to set this to None */
    775         t->internal_connector_type = 0x0;
    776         t->external_connector_type = t8->connector_type;
    777         t->port_type = t8->port_type;
    778 
    779         SMBIOS_BUILD_TABLE_POST;
    780         instance++;
    781     }
    782 }
    783 
    784 static void smbios_build_type_11_table(void)
    785 {
    786     char count_str[128];
    787     size_t i;
    788 
    789     if (type11.nvalues == 0) {
    790         return;
    791     }
    792 
    793     SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */
    794 
    795     snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
    796     t->count = type11.nvalues;
    797 
    798     for (i = 0; i < type11.nvalues; i++) {
    799         SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
    800         g_free(type11.values[i]);
    801         type11.values[i] = NULL;
    802     }
    803 
    804     SMBIOS_BUILD_TABLE_POST;
    805 }
    806 
    807 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
    808 
    809 static void smbios_build_type_16_table(unsigned dimm_cnt)
    810 {
    811     uint64_t size_kb;
    812 
    813     SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */
    814 
    815     t->location = 0x01; /* Other */
    816     t->use = 0x03; /* System memory */
    817     t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
    818     size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB;
    819     if (size_kb < MAX_T16_STD_SZ) {
    820         t->maximum_capacity = cpu_to_le32(size_kb);
    821         t->extended_maximum_capacity = cpu_to_le64(0);
    822     } else {
    823         t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
    824         t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size);
    825     }
    826     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
    827     t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
    828 
    829     SMBIOS_BUILD_TABLE_POST;
    830 }
    831 
    832 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
    833 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
    834 
    835 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
    836 {
    837     char loc_str[128];
    838     uint64_t size_mb;
    839 
    840     SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */
    841 
    842     t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
    843     t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
    844     t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
    845     t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
    846     size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
    847     if (size_mb < MAX_T17_STD_SZ) {
    848         t->size = cpu_to_le16(size_mb);
    849         t->extended_size = cpu_to_le32(0);
    850     } else {
    851         assert(size_mb < MAX_T17_EXT_SZ);
    852         t->size = cpu_to_le16(MAX_T17_STD_SZ);
    853         t->extended_size = cpu_to_le32(size_mb);
    854     }
    855     t->form_factor = 0x09; /* DIMM */
    856     t->device_set = 0; /* Not in a set */
    857     snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
    858     SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
    859     SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
    860     t->memory_type = 0x07; /* RAM */
    861     t->type_detail = cpu_to_le16(0x02); /* Other */
    862     t->speed = cpu_to_le16(type17.speed);
    863     SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
    864     SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
    865     SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
    866     SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
    867     t->attributes = 0; /* Unknown */
    868     t->configured_clock_speed = t->speed; /* reuse value for max speed */
    869     t->minimum_voltage = cpu_to_le16(0); /* Unknown */
    870     t->maximum_voltage = cpu_to_le16(0); /* Unknown */
    871     t->configured_voltage = cpu_to_le16(0); /* Unknown */
    872 
    873     SMBIOS_BUILD_TABLE_POST;
    874 }
    875 
    876 static void smbios_build_type_19_table(unsigned instance, unsigned offset,
    877                                        uint64_t start, uint64_t size)
    878 {
    879     uint64_t end, start_kb, end_kb;
    880 
    881     SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance,
    882                            true); /* required */
    883 
    884     end = start + size - 1;
    885     assert(end > start);
    886     start_kb = start / KiB;
    887     end_kb = end / KiB;
    888     if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
    889         t->starting_address = cpu_to_le32(start_kb);
    890         t->ending_address = cpu_to_le32(end_kb);
    891         t->extended_starting_address =
    892             t->extended_ending_address = cpu_to_le64(0);
    893     } else {
    894         t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
    895         t->extended_starting_address = cpu_to_le64(start);
    896         t->extended_ending_address = cpu_to_le64(end);
    897     }
    898     t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
    899     t->partition_width = 1; /* One device per row */
    900 
    901     SMBIOS_BUILD_TABLE_POST;
    902 }
    903 
    904 static void smbios_build_type_32_table(void)
    905 {
    906     SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */
    907 
    908     memset(t->reserved, 0, 6);
    909     t->boot_status = 0; /* No errors detected */
    910 
    911     SMBIOS_BUILD_TABLE_POST;
    912 }
    913 
    914 static void smbios_build_type_41_table(Error **errp)
    915 {
    916     unsigned instance = 0;
    917     struct type41_instance *t41;
    918 
    919     QTAILQ_FOREACH(t41, &type41, next) {
    920         SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true);
    921 
    922         SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation);
    923         t->device_type = t41->kind;
    924         t->device_type_instance = t41->instance;
    925         t->segment_group_number = cpu_to_le16(0);
    926         t->bus_number = 0;
    927         t->device_number = 0;
    928 
    929         if (t41->pcidev) {
    930             PCIDevice *pdev = NULL;
    931             int rc = pci_qdev_find_device(t41->pcidev, &pdev);
    932             if (rc != 0) {
    933                 error_setg(errp,
    934                            "No PCI device %s for SMBIOS type 41 entry %s",
    935                            t41->pcidev, t41->designation);
    936                 return;
    937             }
    938             /*
    939              * We only handle the case were the device is attached to
    940              * the PCI root bus. The general case is more complex as
    941              * bridges are enumerated later and the table would need
    942              * to be updated at this moment.
    943              */
    944             if (!pci_bus_is_root(pci_get_bus(pdev))) {
    945                 error_setg(errp,
    946                            "Cannot create type 41 entry for PCI device %s: "
    947                            "not attached to the root bus",
    948                            t41->pcidev);
    949                 return;
    950             }
    951             t->segment_group_number = cpu_to_le16(0);
    952             t->bus_number = pci_dev_bus_num(pdev);
    953             t->device_number = pdev->devfn;
    954         }
    955 
    956         SMBIOS_BUILD_TABLE_POST;
    957         instance++;
    958     }
    959 }
    960 
    961 static void smbios_build_type_127_table(void)
    962 {
    963     SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */
    964     SMBIOS_BUILD_TABLE_POST;
    965 }
    966 
    967 void smbios_set_cpuid(uint32_t version, uint32_t features)
    968 {
    969     smbios_cpuid_version = version;
    970     smbios_cpuid_features = features;
    971 }
    972 
    973 #define SMBIOS_SET_DEFAULT(field, value)                                  \
    974     if (!field) {                                                         \
    975         field = value;                                                    \
    976     }
    977 
    978 void smbios_set_defaults(const char *manufacturer, const char *product,
    979                          const char *version, bool legacy_mode,
    980                          bool uuid_encoded, SmbiosEntryPointType ep_type)
    981 {
    982     smbios_have_defaults = true;
    983     smbios_legacy = legacy_mode;
    984     smbios_uuid_encoded = uuid_encoded;
    985     smbios_ep_type = ep_type;
    986 
    987     /* drop unwanted version of command-line file blob(s) */
    988     if (smbios_legacy) {
    989         g_free(smbios_tables);
    990         /* in legacy mode, also complain if fields were given for types > 1 */
    991         if (find_next_bit(have_fields_bitmap,
    992                           SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
    993             error_report("can't process fields for smbios "
    994                          "types > 1 on machine versions < 2.1!");
    995             exit(1);
    996         }
    997     } else {
    998         g_free(smbios_entries);
    999     }
   1000 
   1001     SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
   1002     SMBIOS_SET_DEFAULT(type1.product, product);
   1003     SMBIOS_SET_DEFAULT(type1.version, version);
   1004     SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
   1005     SMBIOS_SET_DEFAULT(type2.product, product);
   1006     SMBIOS_SET_DEFAULT(type2.version, version);
   1007     SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
   1008     SMBIOS_SET_DEFAULT(type3.version, version);
   1009     SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
   1010     SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
   1011     SMBIOS_SET_DEFAULT(type4.version, version);
   1012     SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
   1013     SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
   1014 }
   1015 
   1016 static void smbios_entry_point_setup(void)
   1017 {
   1018     switch (smbios_ep_type) {
   1019     case SMBIOS_ENTRY_POINT_TYPE_32:
   1020         memcpy(ep.ep21.anchor_string, "_SM_", 4);
   1021         memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
   1022         ep.ep21.length = sizeof(struct smbios_21_entry_point);
   1023         ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
   1024         memset(ep.ep21.formatted_area, 0, 5);
   1025 
   1026         /* compliant with smbios spec v2.8 */
   1027         ep.ep21.smbios_major_version = 2;
   1028         ep.ep21.smbios_minor_version = 8;
   1029         ep.ep21.smbios_bcd_revision = 0x28;
   1030 
   1031         /* set during table construction, but BIOS may override: */
   1032         ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
   1033         ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
   1034         ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
   1035 
   1036         /* BIOS must recalculate */
   1037         ep.ep21.checksum = 0;
   1038         ep.ep21.intermediate_checksum = 0;
   1039         ep.ep21.structure_table_address = cpu_to_le32(0);
   1040 
   1041         break;
   1042     case SMBIOS_ENTRY_POINT_TYPE_64:
   1043         memcpy(ep.ep30.anchor_string, "_SM3_", 5);
   1044         ep.ep30.length = sizeof(struct smbios_30_entry_point);
   1045         ep.ep30.entry_point_revision = 1;
   1046         ep.ep30.reserved = 0;
   1047 
   1048         /* compliant with smbios spec 3.0 */
   1049         ep.ep30.smbios_major_version = 3;
   1050         ep.ep30.smbios_minor_version = 0;
   1051         ep.ep30.smbios_doc_rev = 0;
   1052 
   1053         /* set during table construct, but BIOS might override */
   1054         ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
   1055 
   1056         /* BIOS must recalculate */
   1057         ep.ep30.checksum = 0;
   1058         ep.ep30.structure_table_address = cpu_to_le64(0);
   1059 
   1060         break;
   1061     default:
   1062         abort();
   1063         break;
   1064     }
   1065 }
   1066 
   1067 void smbios_get_tables(MachineState *ms,
   1068                        const struct smbios_phys_mem_area *mem_array,
   1069                        const unsigned int mem_array_size,
   1070                        uint8_t **tables, size_t *tables_len,
   1071                        uint8_t **anchor, size_t *anchor_len,
   1072                        Error **errp)
   1073 {
   1074     unsigned i, dimm_cnt, offset;
   1075 
   1076     if (smbios_legacy) {
   1077         *tables = *anchor = NULL;
   1078         *tables_len = *anchor_len = 0;
   1079         return;
   1080     }
   1081 
   1082     if (!smbios_immutable) {
   1083         smbios_build_type_0_table();
   1084         smbios_build_type_1_table();
   1085         smbios_build_type_2_table();
   1086         smbios_build_type_3_table();
   1087 
   1088         smbios_smp_sockets = DIV_ROUND_UP(ms->smp.cpus,
   1089                                           ms->smp.cores * ms->smp.threads);
   1090         assert(smbios_smp_sockets >= 1);
   1091 
   1092         for (i = 0; i < smbios_smp_sockets; i++) {
   1093             smbios_build_type_4_table(ms, i);
   1094         }
   1095 
   1096         smbios_build_type_8_table();
   1097         smbios_build_type_11_table();
   1098 
   1099 #define MAX_DIMM_SZ (16 * GiB)
   1100 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
   1101                                         : ((current_machine->ram_size - 1) % MAX_DIMM_SZ) + 1)
   1102 
   1103         dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
   1104 
   1105         /*
   1106          * The offset determines if we need to keep additional space betweeen
   1107          * table 17 and table 19 header handle numbers so that they do
   1108          * not overlap. For example, for a VM with larger than 8 TB guest
   1109          * memory and DIMM like chunks of 16 GiB, the default space between
   1110          * the two tables (T19_BASE - T17_BASE = 512) is not enough.
   1111          */
   1112         offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \
   1113                  dimm_cnt - (T19_BASE - T17_BASE) : 0;
   1114 
   1115         smbios_build_type_16_table(dimm_cnt);
   1116 
   1117         for (i = 0; i < dimm_cnt; i++) {
   1118             smbios_build_type_17_table(i, GET_DIMM_SZ);
   1119         }
   1120 
   1121         for (i = 0; i < mem_array_size; i++) {
   1122             smbios_build_type_19_table(i, offset, mem_array[i].address,
   1123                                        mem_array[i].length);
   1124         }
   1125 
   1126         /*
   1127          * make sure 16 bit handle numbers in the headers of tables 19
   1128          * and 32 do not overlap.
   1129          */
   1130         assert((mem_array_size + offset) < (T32_BASE - T19_BASE));
   1131 
   1132         smbios_build_type_32_table();
   1133         smbios_build_type_38_table();
   1134         smbios_build_type_41_table(errp);
   1135         smbios_build_type_127_table();
   1136 
   1137         smbios_validate_table(ms);
   1138         smbios_entry_point_setup();
   1139         smbios_immutable = true;
   1140     }
   1141 
   1142     /* return tables blob and entry point (anchor), and their sizes */
   1143     *tables = smbios_tables;
   1144     *tables_len = smbios_tables_len;
   1145     *anchor = (uint8_t *)&ep;
   1146 
   1147     /* calculate length based on anchor string */
   1148     if (!strncmp((char *)&ep, "_SM_", 4)) {
   1149         *anchor_len = sizeof(struct smbios_21_entry_point);
   1150     } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
   1151         *anchor_len = sizeof(struct smbios_30_entry_point);
   1152     } else {
   1153         abort();
   1154     }
   1155 }
   1156 
   1157 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
   1158 {
   1159     const char *val = qemu_opt_get(opts, name);
   1160 
   1161     if (val) {
   1162         *dest = val;
   1163     }
   1164 }
   1165 
   1166 
   1167 struct opt_list {
   1168     size_t *ndest;
   1169     char ***dest;
   1170 };
   1171 
   1172 static int save_opt_one(void *opaque,
   1173                         const char *name, const char *value,
   1174                         Error **errp)
   1175 {
   1176     struct opt_list *opt = opaque;
   1177 
   1178     if (g_str_equal(name, "path")) {
   1179         g_autoptr(GByteArray) data = g_byte_array_new();
   1180         g_autofree char *buf = g_new(char, 4096);
   1181         ssize_t ret;
   1182         int fd = qemu_open(value, O_RDONLY, errp);
   1183         if (fd < 0) {
   1184             return -1;
   1185         }
   1186 
   1187         while (1) {
   1188             ret = read(fd, buf, 4096);
   1189             if (ret == 0) {
   1190                 break;
   1191             }
   1192             if (ret < 0) {
   1193                 error_setg(errp, "Unable to read from %s: %s",
   1194                            value, strerror(errno));
   1195                 qemu_close(fd);
   1196                 return -1;
   1197             }
   1198             if (memchr(buf, '\0', ret)) {
   1199                 error_setg(errp, "NUL in OEM strings value in %s", value);
   1200                 qemu_close(fd);
   1201                 return -1;
   1202             }
   1203             g_byte_array_append(data, (guint8 *)buf, ret);
   1204         }
   1205 
   1206         qemu_close(fd);
   1207 
   1208         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
   1209         (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data,  FALSE);
   1210         (*opt->ndest)++;
   1211         data = NULL;
   1212    } else if (g_str_equal(name, "value")) {
   1213         *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
   1214         (*opt->dest)[*opt->ndest] = g_strdup(value);
   1215         (*opt->ndest)++;
   1216     } else if (!g_str_equal(name, "type")) {
   1217         error_setg(errp, "Unexpected option %s", name);
   1218         return -1;
   1219     }
   1220 
   1221     return 0;
   1222 }
   1223 
   1224 static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts,
   1225                           Error **errp)
   1226 {
   1227     struct opt_list opt = {
   1228         ndest, dest,
   1229     };
   1230     if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) {
   1231         return false;
   1232     }
   1233     return true;
   1234 }
   1235 
   1236 void smbios_entry_add(QemuOpts *opts, Error **errp)
   1237 {
   1238     const char *val;
   1239 
   1240     assert(!smbios_immutable);
   1241 
   1242     val = qemu_opt_get(opts, "file");
   1243     if (val) {
   1244         struct smbios_structure_header *header;
   1245         int size;
   1246         struct smbios_table *table; /* legacy mode only */
   1247 
   1248         if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
   1249             return;
   1250         }
   1251 
   1252         size = get_image_size(val);
   1253         if (size == -1 || size < sizeof(struct smbios_structure_header)) {
   1254             error_setg(errp, "Cannot read SMBIOS file %s", val);
   1255             return;
   1256         }
   1257 
   1258         /*
   1259          * NOTE: standard double '\0' terminator expected, per smbios spec.
   1260          * (except in legacy mode, where the second '\0' is implicit and
   1261          *  will be inserted by the BIOS).
   1262          */
   1263         smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
   1264         header = (struct smbios_structure_header *)(smbios_tables +
   1265                                                     smbios_tables_len);
   1266 
   1267         if (load_image_size(val, (uint8_t *)header, size) != size) {
   1268             error_setg(errp, "Failed to load SMBIOS file %s", val);
   1269             return;
   1270         }
   1271 
   1272         if (header->type <= SMBIOS_MAX_TYPE) {
   1273             if (test_bit(header->type, have_fields_bitmap)) {
   1274                 error_setg(errp,
   1275                            "can't load type %d struct, fields already specified!",
   1276                            header->type);
   1277                 return;
   1278             }
   1279             set_bit(header->type, have_binfile_bitmap);
   1280         }
   1281 
   1282         if (header->type == 4) {
   1283             smbios_type4_count++;
   1284         }
   1285 
   1286         smbios_tables_len += size;
   1287         if (size > smbios_table_max) {
   1288             smbios_table_max = size;
   1289         }
   1290         smbios_table_cnt++;
   1291 
   1292         /* add a copy of the newly loaded blob to legacy smbios_entries */
   1293         /* NOTE: This code runs before smbios_set_defaults(), so we don't
   1294          *       yet know which mode (legacy vs. aggregate-table) will be
   1295          *       required. We therefore add the binary blob to both legacy
   1296          *       (smbios_entries) and aggregate (smbios_tables) tables, and
   1297          *       delete the one we don't need from smbios_set_defaults(),
   1298          *       once we know which machine version has been requested.
   1299          */
   1300         if (!smbios_entries) {
   1301             smbios_entries_len = sizeof(uint16_t);
   1302             smbios_entries = g_malloc0(smbios_entries_len);
   1303         }
   1304         smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
   1305                                                    size + sizeof(*table));
   1306         table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
   1307         table->header.type = SMBIOS_TABLE_ENTRY;
   1308         table->header.length = cpu_to_le16(sizeof(*table) + size);
   1309         memcpy(table->data, header, size);
   1310         smbios_entries_len += sizeof(*table) + size;
   1311         (*(uint16_t *)smbios_entries) =
   1312                 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
   1313         /* end: add a copy of the newly loaded blob to legacy smbios_entries */
   1314 
   1315         return;
   1316     }
   1317 
   1318     val = qemu_opt_get(opts, "type");
   1319     if (val) {
   1320         unsigned long type = strtoul(val, NULL, 0);
   1321 
   1322         if (type > SMBIOS_MAX_TYPE) {
   1323             error_setg(errp, "out of range!");
   1324             return;
   1325         }
   1326 
   1327         if (test_bit(type, have_binfile_bitmap)) {
   1328             error_setg(errp, "can't add fields, binary file already loaded!");
   1329             return;
   1330         }
   1331         set_bit(type, have_fields_bitmap);
   1332 
   1333         switch (type) {
   1334         case 0:
   1335             if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
   1336                 return;
   1337             }
   1338             save_opt(&type0.vendor, opts, "vendor");
   1339             save_opt(&type0.version, opts, "version");
   1340             save_opt(&type0.date, opts, "date");
   1341             type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
   1342 
   1343             val = qemu_opt_get(opts, "release");
   1344             if (val) {
   1345                 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
   1346                     error_setg(errp, "Invalid release");
   1347                     return;
   1348                 }
   1349                 type0.have_major_minor = true;
   1350             }
   1351             return;
   1352         case 1:
   1353             if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
   1354                 return;
   1355             }
   1356             save_opt(&type1.manufacturer, opts, "manufacturer");
   1357             save_opt(&type1.product, opts, "product");
   1358             save_opt(&type1.version, opts, "version");
   1359             save_opt(&type1.serial, opts, "serial");
   1360             save_opt(&type1.sku, opts, "sku");
   1361             save_opt(&type1.family, opts, "family");
   1362 
   1363             val = qemu_opt_get(opts, "uuid");
   1364             if (val) {
   1365                 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
   1366                     error_setg(errp, "Invalid UUID");
   1367                     return;
   1368                 }
   1369                 qemu_uuid_set = true;
   1370             }
   1371             return;
   1372         case 2:
   1373             if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
   1374                 return;
   1375             }
   1376             save_opt(&type2.manufacturer, opts, "manufacturer");
   1377             save_opt(&type2.product, opts, "product");
   1378             save_opt(&type2.version, opts, "version");
   1379             save_opt(&type2.serial, opts, "serial");
   1380             save_opt(&type2.asset, opts, "asset");
   1381             save_opt(&type2.location, opts, "location");
   1382             return;
   1383         case 3:
   1384             if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
   1385                 return;
   1386             }
   1387             save_opt(&type3.manufacturer, opts, "manufacturer");
   1388             save_opt(&type3.version, opts, "version");
   1389             save_opt(&type3.serial, opts, "serial");
   1390             save_opt(&type3.asset, opts, "asset");
   1391             save_opt(&type3.sku, opts, "sku");
   1392             return;
   1393         case 4:
   1394             if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
   1395                 return;
   1396             }
   1397             save_opt(&type4.sock_pfx, opts, "sock_pfx");
   1398             save_opt(&type4.manufacturer, opts, "manufacturer");
   1399             save_opt(&type4.version, opts, "version");
   1400             save_opt(&type4.serial, opts, "serial");
   1401             save_opt(&type4.asset, opts, "asset");
   1402             save_opt(&type4.part, opts, "part");
   1403             /* If the value is 0, it will take the value from the CPU model. */
   1404             type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0);
   1405             type4.max_speed = qemu_opt_get_number(opts, "max-speed",
   1406                                                   DEFAULT_CPU_SPEED);
   1407             type4.current_speed = qemu_opt_get_number(opts, "current-speed",
   1408                                                       DEFAULT_CPU_SPEED);
   1409             if (type4.max_speed > UINT16_MAX ||
   1410                 type4.current_speed > UINT16_MAX) {
   1411                 error_setg(errp, "SMBIOS CPU speed is too large (> %d)",
   1412                            UINT16_MAX);
   1413             }
   1414             return;
   1415         case 8:
   1416             if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) {
   1417                 return;
   1418             }
   1419             struct type8_instance *t;
   1420             t = g_new0(struct type8_instance, 1);
   1421             save_opt(&t->internal_reference, opts, "internal_reference");
   1422             save_opt(&t->external_reference, opts, "external_reference");
   1423             t->connector_type = qemu_opt_get_number(opts, "connector_type", 0);
   1424             t->port_type = qemu_opt_get_number(opts, "port_type", 0);
   1425             QTAILQ_INSERT_TAIL(&type8, t, next);
   1426             return;
   1427         case 11:
   1428             if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
   1429                 return;
   1430             }
   1431             if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) {
   1432                 return;
   1433             }
   1434             return;
   1435         case 17:
   1436             if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
   1437                 return;
   1438             }
   1439             save_opt(&type17.loc_pfx, opts, "loc_pfx");
   1440             save_opt(&type17.bank, opts, "bank");
   1441             save_opt(&type17.manufacturer, opts, "manufacturer");
   1442             save_opt(&type17.serial, opts, "serial");
   1443             save_opt(&type17.asset, opts, "asset");
   1444             save_opt(&type17.part, opts, "part");
   1445             type17.speed = qemu_opt_get_number(opts, "speed", 0);
   1446             return;
   1447         case 41: {
   1448             struct type41_instance *t;
   1449             Error *local_err = NULL;
   1450 
   1451             if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) {
   1452                 return;
   1453             }
   1454             t = g_new0(struct type41_instance, 1);
   1455             save_opt(&t->designation, opts, "designation");
   1456             t->kind = qapi_enum_parse(&type41_kind_lookup,
   1457                                       qemu_opt_get(opts, "kind"),
   1458                                       0, &local_err) + 1;
   1459             t->kind |= 0x80;     /* enabled */
   1460             if (local_err != NULL) {
   1461                 error_propagate(errp, local_err);
   1462                 g_free(t);
   1463                 return;
   1464             }
   1465             t->instance = qemu_opt_get_number(opts, "instance", 1);
   1466             save_opt(&t->pcidev, opts, "pcidev");
   1467 
   1468             QTAILQ_INSERT_TAIL(&type41, t, next);
   1469             return;
   1470         }
   1471         default:
   1472             error_setg(errp,
   1473                        "Don't know how to build fields for SMBIOS type %ld",
   1474                        type);
   1475             return;
   1476         }
   1477     }
   1478 
   1479     error_setg(errp, "Must specify type= or file=");
   1480 }