xref: /openbmc/qemu/include/hw/firmware/smbios.h (revision cbb45ff0)
1 #ifndef QEMU_SMBIOS_H
2 #define QEMU_SMBIOS_H
3 
4 #include "qapi/qapi-types-machine.h"
5 
6 /*
7  * SMBIOS Support
8  *
9  * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
10  *
11  * Authors:
12  *  Alex Williamson <alex.williamson@hp.com>
13  *
14  * This work is licensed under the terms of the GNU GPL, version 2.  See
15  * the COPYING file in the top-level directory.
16  *
17  */
18 
19 
20 #define SMBIOS_MAX_TYPE 127
21 
22 /* memory area description, used by type 19 table */
23 struct smbios_phys_mem_area {
24     uint64_t address;
25     uint64_t length;
26 };
27 
28 /* SMBIOS Entry Point
29  * There are two types of entry points defined in the SMBIOS specification
30  * (see below). BIOS must place the entry point(s) at a 16-byte-aligned
31  * address between 0xf0000 and 0xfffff. Note that either entry point type
32  * can be used in a 64-bit target system, except that SMBIOS 2.1 entry point
33  * only allows the SMBIOS struct table to reside below 4GB address space.
34  */
35 
36 /* SMBIOS 2.1 (32-bit) Entry Point
37  *  - introduced since SMBIOS 2.1
38  *  - supports structure table below 4GB only
39  */
40 struct smbios_21_entry_point {
41     uint8_t anchor_string[4];
42     uint8_t checksum;
43     uint8_t length;
44     uint8_t smbios_major_version;
45     uint8_t smbios_minor_version;
46     uint16_t max_structure_size;
47     uint8_t entry_point_revision;
48     uint8_t formatted_area[5];
49     uint8_t intermediate_anchor_string[5];
50     uint8_t intermediate_checksum;
51     uint16_t structure_table_length;
52     uint32_t structure_table_address;
53     uint16_t number_of_structures;
54     uint8_t smbios_bcd_revision;
55 } QEMU_PACKED;
56 
57 /* SMBIOS 3.0 (64-bit) Entry Point
58  *  - introduced since SMBIOS 3.0
59  *  - supports structure table at 64-bit address space
60  */
61 struct smbios_30_entry_point {
62     uint8_t anchor_string[5];
63     uint8_t checksum;
64     uint8_t length;
65     uint8_t smbios_major_version;
66     uint8_t smbios_minor_version;
67     uint8_t smbios_doc_rev;
68     uint8_t entry_point_revision;
69     uint8_t reserved;
70     uint32_t structure_table_max_size;
71     uint64_t structure_table_address;
72 } QEMU_PACKED;
73 
74 typedef union {
75     struct smbios_21_entry_point ep21;
76     struct smbios_30_entry_point ep30;
77 } QEMU_PACKED SmbiosEntryPoint;
78 
79 /* This goes at the beginning of every SMBIOS structure. */
80 struct smbios_structure_header {
81     uint8_t type;
82     uint8_t length;
83     uint16_t handle;
84 } QEMU_PACKED;
85 
86 /* SMBIOS type 0 - BIOS Information */
87 struct smbios_type_0 {
88     struct smbios_structure_header header;
89     uint8_t vendor_str;
90     uint8_t bios_version_str;
91     uint16_t bios_starting_address_segment;
92     uint8_t bios_release_date_str;
93     uint8_t bios_rom_size;
94     uint64_t bios_characteristics;
95     uint8_t bios_characteristics_extension_bytes[2];
96     uint8_t system_bios_major_release;
97     uint8_t system_bios_minor_release;
98     uint8_t embedded_controller_major_release;
99     uint8_t embedded_controller_minor_release;
100 } QEMU_PACKED;
101 
102 /* UUID encoding. The time_* fields are little-endian, as specified by SMBIOS
103  * version 2.6.
104  */
105 struct smbios_uuid {
106     uint32_t time_low;
107     uint16_t time_mid;
108     uint16_t time_hi_and_version;
109     uint8_t clock_seq_hi_and_reserved;
110     uint8_t clock_seq_low;
111     uint8_t node[6];
112 } QEMU_PACKED;
113 
114 /* SMBIOS type 1 - System Information */
115 struct smbios_type_1 {
116     struct smbios_structure_header header;
117     uint8_t manufacturer_str;
118     uint8_t product_name_str;
119     uint8_t version_str;
120     uint8_t serial_number_str;
121     struct smbios_uuid uuid;
122     uint8_t wake_up_type;
123     uint8_t sku_number_str;
124     uint8_t family_str;
125 } QEMU_PACKED;
126 
127 /* SMBIOS type 2 - Base Board */
128 struct smbios_type_2 {
129     struct smbios_structure_header header;
130     uint8_t manufacturer_str;
131     uint8_t product_str;
132     uint8_t version_str;
133     uint8_t serial_number_str;
134     uint8_t asset_tag_number_str;
135     uint8_t feature_flags;
136     uint8_t location_str;
137     uint16_t chassis_handle;
138     uint8_t board_type;
139     uint8_t contained_element_count;
140     /* contained elements follow */
141 } QEMU_PACKED;
142 
143 /* SMBIOS type 3 - System Enclosure (v2.7) */
144 struct smbios_type_3 {
145     struct smbios_structure_header header;
146     uint8_t manufacturer_str;
147     uint8_t type;
148     uint8_t version_str;
149     uint8_t serial_number_str;
150     uint8_t asset_tag_number_str;
151     uint8_t boot_up_state;
152     uint8_t power_supply_state;
153     uint8_t thermal_state;
154     uint8_t security_status;
155     uint32_t oem_defined;
156     uint8_t height;
157     uint8_t number_of_power_cords;
158     uint8_t contained_element_count;
159     uint8_t contained_element_record_length;
160     uint8_t sku_number_str;
161     /* contained elements follow */
162 } QEMU_PACKED;
163 
164 /* SMBIOS type 4 - Processor Information (v2.6) */
165 struct smbios_type_4 {
166     struct smbios_structure_header header;
167     uint8_t socket_designation_str;
168     uint8_t processor_type;
169     uint8_t processor_family;
170     uint8_t processor_manufacturer_str;
171     uint32_t processor_id[2];
172     uint8_t processor_version_str;
173     uint8_t voltage;
174     uint16_t external_clock;
175     uint16_t max_speed;
176     uint16_t current_speed;
177     uint8_t status;
178     uint8_t processor_upgrade;
179     uint16_t l1_cache_handle;
180     uint16_t l2_cache_handle;
181     uint16_t l3_cache_handle;
182     uint8_t serial_number_str;
183     uint8_t asset_tag_number_str;
184     uint8_t part_number_str;
185     uint8_t core_count;
186     uint8_t core_enabled;
187     uint8_t thread_count;
188     uint16_t processor_characteristics;
189     uint16_t processor_family2;
190 } QEMU_PACKED;
191 
192 /* SMBIOS type 11 - OEM strings */
193 struct smbios_type_11 {
194     struct smbios_structure_header header;
195     uint8_t count;
196 } QEMU_PACKED;
197 
198 /* SMBIOS type 16 - Physical Memory Array (v2.7) */
199 struct smbios_type_16 {
200     struct smbios_structure_header header;
201     uint8_t location;
202     uint8_t use;
203     uint8_t error_correction;
204     uint32_t maximum_capacity;
205     uint16_t memory_error_information_handle;
206     uint16_t number_of_memory_devices;
207     uint64_t extended_maximum_capacity;
208 } QEMU_PACKED;
209 
210 /* SMBIOS type 17 - Memory Device (v2.8) */
211 struct smbios_type_17 {
212     struct smbios_structure_header header;
213     uint16_t physical_memory_array_handle;
214     uint16_t memory_error_information_handle;
215     uint16_t total_width;
216     uint16_t data_width;
217     uint16_t size;
218     uint8_t form_factor;
219     uint8_t device_set;
220     uint8_t device_locator_str;
221     uint8_t bank_locator_str;
222     uint8_t memory_type;
223     uint16_t type_detail;
224     uint16_t speed;
225     uint8_t manufacturer_str;
226     uint8_t serial_number_str;
227     uint8_t asset_tag_number_str;
228     uint8_t part_number_str;
229     uint8_t attributes;
230     uint32_t extended_size;
231     uint16_t configured_clock_speed;
232     uint16_t minimum_voltage;
233     uint16_t maximum_voltage;
234     uint16_t configured_voltage;
235 } QEMU_PACKED;
236 
237 /* SMBIOS type 19 - Memory Array Mapped Address (v2.7) */
238 struct smbios_type_19 {
239     struct smbios_structure_header header;
240     uint32_t starting_address;
241     uint32_t ending_address;
242     uint16_t memory_array_handle;
243     uint8_t partition_width;
244     uint64_t extended_starting_address;
245     uint64_t extended_ending_address;
246 } QEMU_PACKED;
247 
248 /* SMBIOS type 32 - System Boot Information */
249 struct smbios_type_32 {
250     struct smbios_structure_header header;
251     uint8_t reserved[6];
252     uint8_t boot_status;
253 } QEMU_PACKED;
254 
255 /* SMBIOS type 41 - Onboard Devices Extended Information */
256 struct smbios_type_41 {
257     struct smbios_structure_header header;
258     uint8_t reference_designation_str;
259     uint8_t device_type;
260     uint8_t device_type_instance;
261     uint16_t segment_group_number;
262     uint8_t bus_number;
263     uint8_t device_number;
264 } QEMU_PACKED;
265 
266 /* SMBIOS type 127 -- End-of-table */
267 struct smbios_type_127 {
268     struct smbios_structure_header header;
269 } QEMU_PACKED;
270 
271 void smbios_entry_add(QemuOpts *opts, Error **errp);
272 void smbios_set_cpuid(uint32_t version, uint32_t features);
273 void smbios_set_defaults(const char *manufacturer, const char *product,
274                          const char *version, bool legacy_mode,
275                          bool uuid_encoded, SmbiosEntryPointType ep_type);
276 uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length);
277 void smbios_get_tables(MachineState *ms,
278                        const struct smbios_phys_mem_area *mem_array,
279                        const unsigned int mem_array_size,
280                        uint8_t **tables, size_t *tables_len,
281                        uint8_t **anchor, size_t *anchor_len,
282                        Error **errp);
283 #endif /* QEMU_SMBIOS_H */
284