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 extern struct smbios_entry_point *SMBiosAddr;
29 /* This goes at the beginning of every SMBIOS structure. */
30 struct smbios_structure_header {
36 /* SMBIOS type 0 - BIOS Information */
37 struct smbios_type_0 {
38 struct smbios_structure_header header;
41 u16 bios_starting_address_segment;
42 u8 bios_release_date_str;
44 u8 bios_characteristics[8];
45 u8 bios_characteristics_extension_bytes[2];
46 u8 system_bios_major_release;
47 u8 system_bios_minor_release;
48 u8 embedded_controller_major_release;
49 u8 embedded_controller_minor_release;
52 /* SMBIOS type 1 - System Information */
53 struct smbios_type_1 {
54 struct smbios_structure_header header;
65 /* SMBIOS type 3 - System Enclosure (v2.3) */
66 struct smbios_type_3 {
67 struct smbios_structure_header header;
72 u8 asset_tag_number_str;
74 u8 power_supply_state;
79 u8 number_of_power_cords;
80 u8 contained_element_count;
81 // contained elements follow
84 /* SMBIOS type 4 - Processor Information (v2.0) */
85 struct smbios_type_4 {
86 struct smbios_structure_header header;
87 u8 socket_designation_str;
90 u8 processor_manufacturer_str;
92 u8 processor_version_str;
104 /* SMBIOS type 16 - Physical Memory Array
105 * Associated with one type 17 (Memory Device).
107 struct smbios_type_16 {
108 struct smbios_structure_header header;
112 u32 maximum_capacity;
113 u16 memory_error_information_handle;
114 u16 number_of_memory_devices;
117 /* SMBIOS type 17 - Memory Device
118 * Associated with one type 19
120 struct smbios_type_17 {
121 struct smbios_structure_header header;
122 u16 physical_memory_array_handle;
123 u16 memory_error_information_handle;
129 u8 device_locator_str;
135 /* SMBIOS type 19 - Memory Array Mapped Address */
136 struct smbios_type_19 {
137 struct smbios_structure_header header;
138 u32 starting_address;
140 u16 memory_array_handle;
144 /* SMBIOS type 20 - Memory Device Mapped Address */
145 struct smbios_type_20 {
146 struct smbios_structure_header header;
147 u32 starting_address;
149 u16 memory_device_handle;
150 u16 memory_array_mapped_address_handle;
151 u8 partition_row_position;
152 u8 interleave_position;
153 u8 interleaved_data_depth;
156 /* SMBIOS type 32 - System Boot Information */
157 struct smbios_type_32 {
158 struct smbios_structure_header header;
163 /* SMBIOS type 127 -- End-of-table */
164 struct smbios_type_127 {
165 struct smbios_structure_header header;