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git01.mediatek.com / filogic / uboot / a5b5d8857568270f606e081a1f353df1007d0cbc / . / include / smbios.h
blob: d582d4f7abb2c9258509450cf042da85d9e1f549 [file] [log] [blame]
Bin Mengae5bedb2015-10-12 05:23:41 -0700[diff] [blame]1/*
2 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
3 *
4 * Adapted from coreboot src/include/smbios.h
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#ifndef _SMBIOS_H_
10#define _SMBIOS_H_
11
12/* SMBIOS spec version implemented */
13#define SMBIOS_MAJOR_VER 3
14#define SMBIOS_MINOR_VER 0
15
16/* SMBIOS structure types */
17enum {
18 SMBIOS_BIOS_INFORMATION = 0,
19 SMBIOS_SYSTEM_INFORMATION = 1,
20 SMBIOS_BOARD_INFORMATION = 2,
21 SMBIOS_SYSTEM_ENCLOSURE = 3,
22 SMBIOS_PROCESSOR_INFORMATION = 4,
23 SMBIOS_CACHE_INFORMATION = 7,
24 SMBIOS_SYSTEM_SLOTS = 9,
25 SMBIOS_PHYS_MEMORY_ARRAY = 16,
26 SMBIOS_MEMORY_DEVICE = 17,
27 SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS = 19,
28 SMBIOS_SYSTEM_BOOT_INFORMATION = 32,
29 SMBIOS_END_OF_TABLE = 127
30};
31
32#define SMBIOS_INTERMEDIATE_OFFSET 16
33#define SMBIOS_STRUCT_EOS_BYTES 2
34
35struct __packed smbios_entry {
36 u8 anchor[4];
37 u8 checksum;
38 u8 length;
39 u8 major_ver;
40 u8 minor_ver;
41 u16 max_struct_size;
42 u8 entry_point_rev;
43 u8 formatted_area[5];
44 u8 intermediate_anchor[5];
45 u8 intermediate_checksum;
46 u16 struct_table_length;
47 u32 struct_table_address;
48 u16 struct_count;
49 u8 bcd_rev;
50};
51
52/* BIOS characteristics */
53#define BIOS_CHARACTERISTICS_PCI_SUPPORTED (1 << 7)
54#define BIOS_CHARACTERISTICS_UPGRADEABLE (1 << 11)
55#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT (1 << 16)
56
57#define BIOS_CHARACTERISTICS_EXT1_ACPI (1 << 0)
Alexander Graf66f96e12016-08-19 01:23:29 +0200[diff] [blame]58#define BIOS_CHARACTERISTICS_EXT1_UEFI (1 << 3)
Bin Mengae5bedb2015-10-12 05:23:41 -0700[diff] [blame]59#define BIOS_CHARACTERISTICS_EXT2_TARGET (1 << 2)
60
61struct __packed smbios_type0 {
62 u8 type;
63 u8 length;
64 u16 handle;
65 u8 vendor;
66 u8 bios_ver;
67 u16 bios_start_segment;
68 u8 bios_release_date;
69 u8 bios_rom_size;
70 u64 bios_characteristics;
71 u8 bios_characteristics_ext1;
72 u8 bios_characteristics_ext2;
73 u8 bios_major_release;
74 u8 bios_minor_release;
75 u8 ec_major_release;
76 u8 ec_minor_release;
77 char eos[SMBIOS_STRUCT_EOS_BYTES];
78};
79
80struct __packed smbios_type1 {
81 u8 type;
82 u8 length;
83 u16 handle;
84 u8 manufacturer;
85 u8 product_name;
86 u8 version;
87 u8 serial_number;
88 u8 uuid[16];
89 u8 wakeup_type;
90 u8 sku_number;
91 u8 family;
92 char eos[SMBIOS_STRUCT_EOS_BYTES];
93};
94
95#define SMBIOS_BOARD_FEATURE_HOSTING (1 << 0)
96#define SMBIOS_BOARD_MOTHERBOARD 10
97
98struct __packed smbios_type2 {
99 u8 type;
100 u8 length;
101 u16 handle;
102 u8 manufacturer;
103 u8 product_name;
104 u8 version;
105 u8 serial_number;
106 u8 asset_tag_number;
107 u8 feature_flags;
108 u8 chassis_location;
109 u16 chassis_handle;
110 u8 board_type;
111 char eos[SMBIOS_STRUCT_EOS_BYTES];
112};
113
114#define SMBIOS_ENCLOSURE_DESKTOP 3
115#define SMBIOS_STATE_SAFE 3
116#define SMBIOS_SECURITY_NONE 3
117
118struct __packed smbios_type3 {
119 u8 type;
120 u8 length;
121 u16 handle;
122 u8 manufacturer;
123 u8 chassis_type;
124 u8 version;
125 u8 serial_number;
126 u8 asset_tag_number;
127 u8 bootup_state;
128 u8 power_supply_state;
129 u8 thermal_state;
130 u8 security_status;
131 u32 oem_defined;
132 u8 height;
133 u8 number_of_power_cords;
134 u8 element_count;
135 u8 element_record_length;
136 char eos[SMBIOS_STRUCT_EOS_BYTES];
137};
138
139#define SMBIOS_PROCESSOR_TYPE_CENTRAL 3
140#define SMBIOS_PROCESSOR_STATUS_ENABLED 1
141#define SMBIOS_PROCESSOR_UPGRADE_NONE 6
142
Alexander Grafe44b3c02016-08-19 01:23:28 +0200[diff] [blame]143#define SMBIOS_PROCESSOR_FAMILY_OTHER 1
144#define SMBIOS_PROCESSOR_FAMILY_UNKNOWN 2
145
Bin Mengae5bedb2015-10-12 05:23:41 -0700[diff] [blame]146struct __packed smbios_type4 {
147 u8 type;
148 u8 length;
149 u16 handle;
150 u8 socket_designation;
151 u8 processor_type;
152 u8 processor_family;
153 u8 processor_manufacturer;
154 u32 processor_id[2];
155 u8 processor_version;
156 u8 voltage;
157 u16 external_clock;
158 u16 max_speed;
159 u16 current_speed;
160 u8 status;
161 u8 processor_upgrade;
162 u16 l1_cache_handle;
163 u16 l2_cache_handle;
164 u16 l3_cache_handle;
165 u8 serial_number;
166 u8 asset_tag;
167 u8 part_number;
168 u8 core_count;
169 u8 core_enabled;
170 u8 thread_count;
171 u16 processor_characteristics;
172 u16 processor_family2;
173 u16 core_count2;
174 u16 core_enabled2;
175 u16 thread_count2;
176 char eos[SMBIOS_STRUCT_EOS_BYTES];
177};
178
179struct __packed smbios_type32 {
180 u8 type;
181 u8 length;
182 u16 handle;
183 u8 reserved[6];
184 u8 boot_status;
185 u8 eos[SMBIOS_STRUCT_EOS_BYTES];
186};
187
188struct __packed smbios_type127 {
189 u8 type;
190 u8 length;
191 u16 handle;
192 u8 eos[SMBIOS_STRUCT_EOS_BYTES];
193};
194
195struct __packed smbios_header {
196 u8 type;
197 u8 length;
198 u16 handle;
199};
200
201/**
202 * fill_smbios_header() - Fill the header of an SMBIOS table
203 *
204 * This fills the header of an SMBIOS table structure.
205 *
206 * @table: start address of the structure
207 * @type: the type of structure
208 * @length: the length of the formatted area of the structure
209 * @handle: the structure's handle, a unique 16-bit number
210 */
211static inline void fill_smbios_header(void *table, int type,
212 int length, int handle)
213{
214 struct smbios_header *header = table;
215
216 header->type = type;
217 header->length = length - SMBIOS_STRUCT_EOS_BYTES;
218 header->handle = handle;
219}
220
221/**
222 * Function prototype to write a specific type of SMBIOS structure
223 *
224 * @addr: start address to write the structure
225 * @handle: the structure's handle, a unique 16-bit number
226 * @return: size of the structure
227 */
Alexander Grafe4a59ae2016-08-19 01:23:25 +0200[diff] [blame]228typedef int (*smbios_write_type)(uintptr_t *addr, int handle);
Bin Mengae5bedb2015-10-12 05:23:41 -0700[diff] [blame]229
230/**
231 * write_smbios_table() - Write SMBIOS table
232 *
233 * This writes SMBIOS table at a given address.
234 *
235 * @addr: start address to write SMBIOS table
236 * @return: end address of SMBIOS table
237 */
Alexander Grafe4a59ae2016-08-19 01:23:25 +0200[diff] [blame]238uintptr_t write_smbios_table(uintptr_t addr);
Bin Mengae5bedb2015-10-12 05:23:41 -0700[diff] [blame]239
240#endif /* _SMBIOS_H_ */