--- /dev/null
+#ifndef __SMBIOS_H
+#define __SMBIOS_H
+
+// smbios.c
+void smbios_init(void);
+
+/* SMBIOS entry point -- must be written to a 16-bit aligned address
+ between 0xf0000 and 0xfffff.
+ */
+struct smbios_entry_point {
+ char anchor_string[4];
+ u8 checksum;
+ u8 length;
+ u8 smbios_major_version;
+ u8 smbios_minor_version;
+ u16 max_structure_size;
+ u8 entry_point_revision;
+ u8 formatted_area[5];
+ char intermediate_anchor_string[5];
+ u8 intermediate_checksum;
+ u16 structure_table_length;
+ u32 structure_table_address;
+ u16 number_of_structures;
+ u8 smbios_bcd_revision;
+} PACKED;
+
+extern struct smbios_entry_point *SMBiosAddr;
+
+/* This goes at the beginning of every SMBIOS structure. */
+struct smbios_structure_header {
+ u8 type;
+ u8 length;
+ u16 handle;
+} PACKED;
+
+/* SMBIOS type 0 - BIOS Information */
+struct smbios_type_0 {
+ struct smbios_structure_header header;
+ u8 vendor_str;
+ u8 bios_version_str;
+ u16 bios_starting_address_segment;
+ u8 bios_release_date_str;
+ u8 bios_rom_size;
+ u8 bios_characteristics[8];
+ u8 bios_characteristics_extension_bytes[2];
+ u8 system_bios_major_release;
+ u8 system_bios_minor_release;
+ u8 embedded_controller_major_release;
+ u8 embedded_controller_minor_release;
+} PACKED;
+
+/* SMBIOS type 1 - System Information */
+struct smbios_type_1 {
+ struct smbios_structure_header header;
+ u8 manufacturer_str;
+ u8 product_name_str;
+ u8 version_str;
+ u8 serial_number_str;
+ u8 uuid[16];
+ u8 wake_up_type;
+ u8 sku_number_str;
+ u8 family_str;
+} PACKED;
+
+/* SMBIOS type 3 - System Enclosure (v2.3) */
+struct smbios_type_3 {
+ struct smbios_structure_header header;
+ u8 manufacturer_str;
+ u8 type;
+ u8 version_str;
+ u8 serial_number_str;
+ u8 asset_tag_number_str;
+ u8 boot_up_state;
+ u8 power_supply_state;
+ u8 thermal_state;
+ u8 security_status;
+ u32 oem_defined;
+ u8 height;
+ u8 number_of_power_cords;
+ u8 contained_element_count;
+ // contained elements follow
+} PACKED;
+
+/* SMBIOS type 4 - Processor Information (v2.0) */
+struct smbios_type_4 {
+ struct smbios_structure_header header;
+ u8 socket_designation_str;
+ u8 processor_type;
+ u8 processor_family;
+ u8 processor_manufacturer_str;
+ u32 processor_id[2];
+ u8 processor_version_str;
+ u8 voltage;
+ u16 external_clock;
+ u16 max_speed;
+ u16 current_speed;
+ u8 status;
+ u8 processor_upgrade;
+ u16 l1_cache_handle;
+ u16 l2_cache_handle;
+ u16 l3_cache_handle;
+} PACKED;
+
+/* SMBIOS type 16 - Physical Memory Array
+ * Associated with one type 17 (Memory Device).
+ */
+struct smbios_type_16 {
+ struct smbios_structure_header header;
+ u8 location;
+ u8 use;
+ u8 error_correction;
+ u32 maximum_capacity;
+ u16 memory_error_information_handle;
+ u16 number_of_memory_devices;
+} PACKED;
+
+/* SMBIOS type 17 - Memory Device
+ * Associated with one type 19
+ */
+struct smbios_type_17 {
+ struct smbios_structure_header header;
+ u16 physical_memory_array_handle;
+ u16 memory_error_information_handle;
+ u16 total_width;
+ u16 data_width;
+ u16 size;
+ u8 form_factor;
+ u8 device_set;
+ u8 device_locator_str;
+ u8 bank_locator_str;
+ u8 memory_type;
+ u16 type_detail;
+} PACKED;
+
+/* SMBIOS type 19 - Memory Array Mapped Address */
+struct smbios_type_19 {
+ struct smbios_structure_header header;
+ u32 starting_address;
+ u32 ending_address;
+ u16 memory_array_handle;
+ u8 partition_width;
+} PACKED;
+
+/* SMBIOS type 20 - Memory Device Mapped Address */
+struct smbios_type_20 {
+ struct smbios_structure_header header;
+ u32 starting_address;
+ u32 ending_address;
+ u16 memory_device_handle;
+ u16 memory_array_mapped_address_handle;
+ u8 partition_row_position;
+ u8 interleave_position;
+ u8 interleaved_data_depth;
+} PACKED;
+
+/* SMBIOS type 32 - System Boot Information */
+struct smbios_type_32 {
+ struct smbios_structure_header header;
+ u8 reserved[6];
+ u8 boot_status;
+} PACKED;
+
+/* SMBIOS type 127 -- End-of-table */
+struct smbios_type_127 {
+ struct smbios_structure_header header;
+} PACKED;
+
+#endif // smbios.h
