text: #ifndef QEMU_SMBIOS_H
  #define QEMU_SMBIOS_H
  
  /*
   * SMBIOS Support
   *
   * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
   *
   * Authors:
   *  Alex Williamson <alex.williamson@hp.com>
   *
   * This work is licensed under the terms of the GNU GPL, version 2.  See
   * the COPYING file in the top-level directory.
   *
   */
  
  #include "qemu/option.h"
  
  #define SMBIOS_MAX_TYPE 127
  
  /* memory area description, used by type 19 table */
  struct smbios_phys_mem_area {
      uint64_t address;
      uint64_t length;
  };
  
  /*
   * SMBIOS spec defined tables
   */
  typedef enum SmbiosEntryPointType {
      SMBIOS_ENTRY_POINT_21,
      SMBIOS_ENTRY_POINT_30,
  } SmbiosEntryPointType;
  
  /* SMBIOS Entry Point
   * There are two types of entry points defined in the SMBIOS specification
   * (see below). BIOS must place the entry point(s) at a 16-byte-aligned
   * address between 0xf0000 and 0xfffff. Note that either entry point type
   * can be used in a 64-bit target system, except that SMBIOS 2.1 entry point
   * only allows the SMBIOS struct table to reside below 4GB address space.
   */
  
  /* SMBIOS 2.1 (32-bit) Entry Point
   *  - introduced since SMBIOS 2.1
   *  - supports structure table below 4GB only
   */
  struct smbios_21_entry_point {
      uint8_t anchor_string[4];
      uint8_t checksum;
      uint8_t length;
      uint8_t smbios_major_version;
      uint8_t smbios_minor_version;
      uint16_t max_structure_size;
      uint8_t entry_point_revision;
      uint8_t formatted_area[5];
      uint8_t intermediate_anchor_string[5];
      uint8_t intermediate_checksum;
      uint16_t structure_table_length;
      uint32_t structure_table_address;
      uint16_t number_of_structures;
      uint8_t smbios_bcd_revision;
  } QEMU_PACKED;
  
  /* SMBIOS 3.0 (64-bit) Entry Point
   *  - introduced since SMBIOS 3.0
   *  - supports structure table at 64-bit address space
   */
  struct smbios_30_entry_point {
      uint8_t anchor_string[5];
      uint8_t checksum;
      uint8_t length;
      uint8_t smbios_major_version;
      uint8_t smbios_minor_version;
      uint8_t smbios_doc_rev;
      uint8_t entry_point_revision;
      uint8_t reserved;
      uint32_t structure_table_max_size;
      uint64_t structure_table_address;
  } QEMU_PACKED;
  
  typedef union {
      struct smbios_21_entry_point ep21;
      struct smbios_30_entry_point ep30;
  } QEMU_PACKED SmbiosEntryPoint;
  
  /* This goes at the beginning of every SMBIOS structure. */
  struct smbios_structure_header {
      uint8_t type;
      uint8_t length;
      uint16_t handle;
  } QEMU_PACKED;
  
  /* SMBIOS type 0 - BIOS Information */
  struct smbios_type_0 {
      struct smbios_structure_header header;
      uint8_t vendor_str;
      uint8_t bios_version_str;
      uint16_t bios_starting_address_segment;
      uint8_t bios_release_date_str;
      uint8_t bios_rom_size;
      uint64_t bios_characteristics;
      uint8_t bios_characteristics_extension_bytes[2];
      uint8_t system_bios_major_release;
      uint8_t system_bios_minor_release;
      uint8_t embedded_controller_major_release;
      uint8_t embedded_controller_minor_release;
  } QEMU_PACKED;
  
  /* UUID encoding. The time_* fields are little-endian, as specified by SMBIOS
   * version 2.6.
   */
  struct smbios_uuid {
      uint32_t time_low;
      uint16_t time_mid;
      uint16_t time_hi_and_version;
      uint8_t clock_seq_hi_and_reserved;
      uint8_t clock_seq_low;
      uint8_t node[6];
  } QEMU_PACKED;
  
  /* SMBIOS type 1 - System Information */
  struct smbios_type_1 {
      struct smbios_structure_header header;
      uint8_t manufacturer_str;
      uint8_t product_name_str;
      uint8_t version_str;
      uint8_t serial_number_str;
      struct smbios_uuid uuid;
      uint8_t wake_up_type;
      uint8_t sku_number_str;
      uint8_t family_str;
  } QEMU_PACKED;
  
  /* SMBIOS type 2 - Base Board */
  struct smbios_type_2 {
      struct smbios_structure_header header;
      uint8_t manufacturer_str;
      uint8_t product_str;
      uint8_t version_str;
      uint8_t serial_number_str;
      uint8_t asset_tag_number_str;
      uint8_t feature_flags;
      uint8_t location_str;
      uint16_t chassis_handle;
      uint8_t board_type;
      uint8_t contained_element_count;
      /* contained elements follow */
  } QEMU_PACKED;
  
  /* SMBIOS type 3 - System Enclosure (v2.7) */
  struct smbios_type_3 {
      struct smbios_structure_header header;
      uint8_t manufacturer_str;
      uint8_t type;
      uint8_t version_str;
      uint8_t serial_number_str;
      uint8_t asset_tag_number_str;
      uint8_t boot_up_state;
      uint8_t power_supply_state;
      uint8_t thermal_state;
      uint8_t security_status;
      uint32_t oem_defined;
      uint8_t height;
      uint8_t number_of_power_cords;
      uint8_t contained_element_count;
      uint8_t sku_number_str;
      /* contained elements follow */
  } QEMU_PACKED;
  
  /* SMBIOS type 4 - Processor Information (v2.6) */
  struct smbios_type_4 {
      struct smbios_structure_header header;
      uint8_t socket_designation_str;
      uint8_t processor_type;
      uint8_t processor_family;
      uint8_t processor_manufacturer_str;
      uint32_t processor_id[2];
      uint8_t processor_version_str;
      uint8_t voltage;
      uint16_t external_clock;
      uint16_t max_speed;
      uint16_t current_speed;
      uint8_t status;
      uint8_t processor_upgrade;
      uint16_t l1_cache_handle;
      uint16_t l2_cache_handle;
      uint16_t l3_cache_handle;
      uint8_t serial_number_str;
      uint8_t asset_tag_number_str;
      uint8_t part_number_str;
      uint8_t core_count;
      uint8_t core_enabled;
      uint8_t thread_count;
      uint16_t processor_characteristics;
      uint16_t processor_family2;
  } QEMU_PACKED;
  
  /* SMBIOS type 16 - Physical Memory Array (v2.7) */
  struct smbios_type_16 {
      struct smbios_structure_header header;
      uint8_t location;
      uint8_t use;
      uint8_t error_correction;
      uint32_t maximum_capacity;
      uint16_t memory_error_information_handle;
      uint16_t number_of_memory_devices;
      uint64_t extended_maximum_capacity;
  } QEMU_PACKED;
  
  /* SMBIOS type 17 - Memory Device (v2.8) */
  struct smbios_type_17 {
      struct smbios_structure_header header;
      uint16_t physical_memory_array_handle;
      uint16_t memory_error_information_handle;
      uint16_t total_width;
      uint16_t data_width;
      uint16_t size;
      uint8_t form_factor;
      uint8_t device_set;
      uint8_t device_locator_str;
      uint8_t bank_locator_str;
      uint8_t memory_type;
      uint16_t type_detail;
      uint16_t speed;
      uint8_t manufacturer_str;
      uint8_t serial_number_str;
      uint8_t asset_tag_number_str;
      uint8_t part_number_str;
      uint8_t attributes;
      uint32_t extended_size;
      uint16_t configured_clock_speed;
      uint16_t minimum_voltage;
      uint16_t maximum_voltage;
      uint16_t configured_voltage;
  } QEMU_PACKED;
  
  /* SMBIOS type 19 - Memory Array Mapped Address (v2.7) */
  struct smbios_type_19 {
      struct smbios_structure_header header;
      uint32_t starting_address;
      uint32_t ending_address;
      uint16_t memory_array_handle;
      uint8_t partition_width;
      uint64_t extended_starting_address;
      uint64_t extended_ending_address;
  } QEMU_PACKED;
  
  /* SMBIOS type 32 - System Boot Information */
  struct smbios_type_32 {
      struct smbios_structure_header header;
      uint8_t reserved[6];
      uint8_t boot_status;
  } QEMU_PACKED;
  
  /* SMBIOS type 127 -- End-of-table */
  struct smbios_type_127 {
      struct smbios_structure_header header;
  } QEMU_PACKED;
  
  void smbios_entry_add(QemuOpts *opts);
  void smbios_set_cpuid(uint32_t version, uint32_t features);
  void smbios_set_defaults(const char *manufacturer, const char *product,
                           const char *version, bool legacy_mode,
                           bool uuid_encoded, SmbiosEntryPointType ep_type);
  uint8_t *smbios_get_table_legacy(size_t *length);
  void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
                         const unsigned int mem_array_size,
                         uint8_t **tables, size_t *tables_len,
                         uint8_t **anchor, size_t *anchor_len);
  #endif /* QEMU_SMBIOS_H */
  