4 #include "types.h" // u32
6 /* SMBIOS entry point -- must be written to a 16-bit aligned address
7 between 0xf0000 and 0xfffff.
9 struct smbios_entry_point {
10 char anchor_string[4];
13 u8 smbios_major_version;
14 u8 smbios_minor_version;
15 u16 max_structure_size;
16 u8 entry_point_revision;
18 char intermediate_anchor_string[5];
19 u8 intermediate_checksum;
20 u16 structure_table_length;
21 u32 structure_table_address;
22 u16 number_of_structures;
23 u8 smbios_bcd_revision;
26 /* This goes at the beginning of every SMBIOS structure. */
27 struct smbios_structure_header {
33 /* SMBIOS type 0 - BIOS Information */
34 struct smbios_type_0 {
35 struct smbios_structure_header header;
38 u16 bios_starting_address_segment;
39 u8 bios_release_date_str;
41 u8 bios_characteristics[8];
42 u8 bios_characteristics_extension_bytes[2];
43 u8 system_bios_major_release;
44 u8 system_bios_minor_release;
45 u8 embedded_controller_major_release;
46 u8 embedded_controller_minor_release;
49 /* SMBIOS type 1 - System Information */
50 struct smbios_type_1 {
51 struct smbios_structure_header header;
62 /* SMBIOS type 3 - System Enclosure (v2.3) */
63 struct smbios_type_3 {
64 struct smbios_structure_header header;
69 u8 asset_tag_number_str;
71 u8 power_supply_state;
76 u8 number_of_power_cords;
77 u8 contained_element_count;
78 // contained elements follow
81 /* SMBIOS type 4 - Processor Information (v2.0) */
82 struct smbios_type_4 {
83 struct smbios_structure_header header;
84 u8 socket_designation_str;
87 u8 processor_manufacturer_str;
89 u8 processor_version_str;
101 /* SMBIOS type 16 - Physical Memory Array
102 * Associated with one type 17 (Memory Device).
104 struct smbios_type_16 {
105 struct smbios_structure_header header;
109 u32 maximum_capacity;
110 u16 memory_error_information_handle;
111 u16 number_of_memory_devices;
114 /* SMBIOS type 17 - Memory Device
115 * Associated with one type 19
117 struct smbios_type_17 {
118 struct smbios_structure_header header;
119 u16 physical_memory_array_handle;
120 u16 memory_error_information_handle;
126 u8 device_locator_str;
132 /* SMBIOS type 19 - Memory Array Mapped Address */
133 struct smbios_type_19 {
134 struct smbios_structure_header header;
135 u32 starting_address;
137 u16 memory_array_handle;
141 /* SMBIOS type 20 - Memory Device Mapped Address */
142 struct smbios_type_20 {
143 struct smbios_structure_header header;
144 u32 starting_address;
146 u16 memory_device_handle;
147 u16 memory_array_mapped_address_handle;
148 u8 partition_row_position;
149 u8 interleave_position;
150 u8 interleaved_data_depth;
153 /* SMBIOS type 32 - System Boot Information */
154 struct smbios_type_32 {
155 struct smbios_structure_header header;
160 /* SMBIOS type 127 -- End-of-table */
161 struct smbios_type_127 {
162 struct smbios_structure_header header;