5 void smbios_init(void);
7 /* SMBIOS entry point -- must be written to a 16-bit aligned address
8 between 0xf0000 and 0xfffff.
10 struct smbios_entry_point {
11 char anchor_string[4];
14 u8 smbios_major_version;
15 u8 smbios_minor_version;
16 u16 max_structure_size;
17 u8 entry_point_revision;
19 char intermediate_anchor_string[5];
20 u8 intermediate_checksum;
21 u16 structure_table_length;
22 u32 structure_table_address;
23 u16 number_of_structures;
24 u8 smbios_bcd_revision;
27 /* This goes at the beginning of every SMBIOS structure. */
28 struct smbios_structure_header {
34 /* SMBIOS type 0 - BIOS Information */
35 struct smbios_type_0 {
36 struct smbios_structure_header header;
39 u16 bios_starting_address_segment;
40 u8 bios_release_date_str;
42 u8 bios_characteristics[8];
43 u8 bios_characteristics_extension_bytes[2];
44 u8 system_bios_major_release;
45 u8 system_bios_minor_release;
46 u8 embedded_controller_major_release;
47 u8 embedded_controller_minor_release;
50 /* SMBIOS type 1 - System Information */
51 struct smbios_type_1 {
52 struct smbios_structure_header header;
63 /* SMBIOS type 3 - System Enclosure (v2.3) */
64 struct smbios_type_3 {
65 struct smbios_structure_header header;
70 u8 asset_tag_number_str;
72 u8 power_supply_state;
77 u8 number_of_power_cords;
78 u8 contained_element_count;
79 // contained elements follow
82 /* SMBIOS type 4 - Processor Information (v2.0) */
83 struct smbios_type_4 {
84 struct smbios_structure_header header;
85 u8 socket_designation_str;
88 u8 processor_manufacturer_str;
90 u8 processor_version_str;
102 /* SMBIOS type 16 - Physical Memory Array
103 * Associated with one type 17 (Memory Device).
105 struct smbios_type_16 {
106 struct smbios_structure_header header;
110 u32 maximum_capacity;
111 u16 memory_error_information_handle;
112 u16 number_of_memory_devices;
115 /* SMBIOS type 17 - Memory Device
116 * Associated with one type 19
118 struct smbios_type_17 {
119 struct smbios_structure_header header;
120 u16 physical_memory_array_handle;
121 u16 memory_error_information_handle;
127 u8 device_locator_str;
133 /* SMBIOS type 19 - Memory Array Mapped Address */
134 struct smbios_type_19 {
135 struct smbios_structure_header header;
136 u32 starting_address;
138 u16 memory_array_handle;
142 /* SMBIOS type 20 - Memory Device Mapped Address */
143 struct smbios_type_20 {
144 struct smbios_structure_header header;
145 u32 starting_address;
147 u16 memory_device_handle;
148 u16 memory_array_mapped_address_handle;
149 u8 partition_row_position;
150 u8 interleave_position;
151 u8 interleaved_data_depth;
154 /* SMBIOS type 32 - System Boot Information */
155 struct smbios_type_32 {
156 struct smbios_structure_header header;
161 /* SMBIOS type 127 -- End-of-table */
162 struct smbios_type_127 {
163 struct smbios_structure_header header;