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Kevin O'Connor01a85202009-10-18 09:49:59 -04001#ifndef __SMBIOS_H
2#define __SMBIOS_H
3
4// smbios.c
5void smbios_init(void);
6
7/* SMBIOS entry point -- must be written to a 16-bit aligned address
8 between 0xf0000 and 0xfffff.
9 */
10struct smbios_entry_point {
11 char anchor_string[4];
12 u8 checksum;
13 u8 length;
14 u8 smbios_major_version;
15 u8 smbios_minor_version;
16 u16 max_structure_size;
17 u8 entry_point_revision;
18 u8 formatted_area[5];
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;
25} PACKED;
26
Kevin O'Connor83012de2011-08-28 12:42:15 -040027extern struct smbios_entry_point *SMBiosAddr;
28
Kevin O'Connor01a85202009-10-18 09:49:59 -040029/* This goes at the beginning of every SMBIOS structure. */
30struct smbios_structure_header {
31 u8 type;
32 u8 length;
33 u16 handle;
34} PACKED;
35
36/* SMBIOS type 0 - BIOS Information */
37struct smbios_type_0 {
38 struct smbios_structure_header header;
39 u8 vendor_str;
40 u8 bios_version_str;
41 u16 bios_starting_address_segment;
42 u8 bios_release_date_str;
43 u8 bios_rom_size;
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;
50} PACKED;
51
52/* SMBIOS type 1 - System Information */
53struct smbios_type_1 {
54 struct smbios_structure_header header;
55 u8 manufacturer_str;
56 u8 product_name_str;
57 u8 version_str;
58 u8 serial_number_str;
59 u8 uuid[16];
60 u8 wake_up_type;
61 u8 sku_number_str;
62 u8 family_str;
63} PACKED;
64
65/* SMBIOS type 3 - System Enclosure (v2.3) */
66struct smbios_type_3 {
67 struct smbios_structure_header header;
68 u8 manufacturer_str;
69 u8 type;
70 u8 version_str;
71 u8 serial_number_str;
72 u8 asset_tag_number_str;
73 u8 boot_up_state;
74 u8 power_supply_state;
75 u8 thermal_state;
76 u8 security_status;
77 u32 oem_defined;
78 u8 height;
79 u8 number_of_power_cords;
80 u8 contained_element_count;
81 // contained elements follow
82} PACKED;
83
84/* SMBIOS type 4 - Processor Information (v2.0) */
85struct smbios_type_4 {
86 struct smbios_structure_header header;
87 u8 socket_designation_str;
88 u8 processor_type;
89 u8 processor_family;
90 u8 processor_manufacturer_str;
91 u32 processor_id[2];
92 u8 processor_version_str;
93 u8 voltage;
94 u16 external_clock;
95 u16 max_speed;
96 u16 current_speed;
97 u8 status;
98 u8 processor_upgrade;
99 u16 l1_cache_handle;
100 u16 l2_cache_handle;
101 u16 l3_cache_handle;
102} PACKED;
103
104/* SMBIOS type 16 - Physical Memory Array
105 * Associated with one type 17 (Memory Device).
106 */
107struct smbios_type_16 {
108 struct smbios_structure_header header;
109 u8 location;
110 u8 use;
111 u8 error_correction;
112 u32 maximum_capacity;
113 u16 memory_error_information_handle;
114 u16 number_of_memory_devices;
115} PACKED;
116
117/* SMBIOS type 17 - Memory Device
118 * Associated with one type 19
119 */
120struct smbios_type_17 {
121 struct smbios_structure_header header;
122 u16 physical_memory_array_handle;
123 u16 memory_error_information_handle;
124 u16 total_width;
125 u16 data_width;
126 u16 size;
127 u8 form_factor;
128 u8 device_set;
129 u8 device_locator_str;
130 u8 bank_locator_str;
131 u8 memory_type;
132 u16 type_detail;
133} PACKED;
134
135/* SMBIOS type 19 - Memory Array Mapped Address */
136struct smbios_type_19 {
137 struct smbios_structure_header header;
138 u32 starting_address;
139 u32 ending_address;
140 u16 memory_array_handle;
141 u8 partition_width;
142} PACKED;
143
144/* SMBIOS type 20 - Memory Device Mapped Address */
145struct smbios_type_20 {
146 struct smbios_structure_header header;
147 u32 starting_address;
148 u32 ending_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;
154} PACKED;
155
156/* SMBIOS type 32 - System Boot Information */
157struct smbios_type_32 {
158 struct smbios_structure_header header;
159 u8 reserved[6];
160 u8 boot_status;
161} PACKED;
162
163/* SMBIOS type 127 -- End-of-table */
164struct smbios_type_127 {
165 struct smbios_structure_header header;
166} PACKED;
167
168#endif // smbios.h