144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef SMBIOS_H
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#define SMBIOS_H
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/**
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* \file
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*
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* Provides functions for reading SMBIOS tables
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*
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* Copyright (C) 2004-2022 Samuel Demeulemeester.
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*/
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#define DMI_SDR 0x0F
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#define DMI_RDRAM 0x11
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#define DMI_DDR 0x12
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#define DMI_DDR2 0x13
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#define DMI_DDR2_FBDIMM 0x14
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#define DMI_DDR3 0x18
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#define DMI_DDR4 0x1A
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#define DMI_LPDDR 0x1B
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#define DMI_LPDDR2 0x1C
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#define DMI_LPDDR3 0x1D
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#define DMI_LPDDR4 0x1E
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#define DMI_DDR5 0x22
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#define DMI_LPDDR5 0x23
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typedef struct {
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uint8_t anchor[4];
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int8_t checksum;
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uint8_t length;
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uint8_t majorversion;
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uint8_t minorversion;
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uint16_t maxstructsize;
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uint8_t revision;
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uint8_t pad[5];
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uint8_t intanchor[5];
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int8_t intchecksum;
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uint16_t tablelength;
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uint32_t tableaddress;
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uint16_t numstructs;
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uint8_t SMBIOSrev;
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} smbiosv2_t;
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struct tstruct_header {
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uint8_t type;
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uint8_t length;
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uint16_t handle;
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} __attribute__((packed));
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struct system_info {
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struct tstruct_header header;
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uint8_t manufacturer;
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uint8_t productname;
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uint8_t version;
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uint8_t serialnumber;
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uint8_t uuidbytes[16];
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uint8_t wut; // Last field defined by SMBIOS 2.3.
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/*uint8_t sku_number;
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uint8_t family;*/
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} __attribute__((packed));
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struct baseboard_info {
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struct tstruct_header header;
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uint8_t manufacturer;
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uint8_t productname;
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uint8_t version;
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uint8_t serialnumber; // Last field defined by SMBIOS 2.3.
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/*uint8_t asset_tag;
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uint8_t feature_flags;
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uint8_t location_in_chassis;
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uint16_t chassis_handle;
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uint8_t board_type;
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uint16_t number_contained_object_handles;*/
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} __attribute__((packed));
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struct mem_module {
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struct tstruct_header header;
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uint8_t socket_designation;
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uint8_t bank_connections;
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uint8_t current_speed;
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uint16_t current_memory_type;
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uint8_t installed_size;
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uint8_t enabled_size;
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uint8_t error_status;
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} __attribute__((packed));
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struct mem_dev {
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struct tstruct_header header;
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uint16_t pma_handle;
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uint16_t err_handle;
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uint16_t tot_width;
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uint16_t dat_width;
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uint16_t size;
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uint8_t form;
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uint8_t set;
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uint8_t dev_locator;
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uint8_t bank_locator;
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uint8_t type;
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uint16_t typedetail;
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uint16_t speed;
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uint8_t manufacturer;
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uint8_t serialnum;
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uint8_t asset;
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uint8_t partnum; // Last field defined by SMBIOS 2.3.
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/*uint8_t attributes;
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uint32_t ext_size;
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uint16_t conf_ram_speed;
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uint16_t min_voltage;
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uint16_t max_votage;
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uint16_t conf_voltage;
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uint8_t technology;
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uint16_t operating_mode_capability;
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uint8_t firmware_version;
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uint16_t module_manufacturer_id;
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uint16_t module_product_id;
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uint16_t mem_subsystem_controller_manufacturer_id;
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uint16_t mem_subsystem_controller_product_id;
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uint64_t nonvolatile_size;
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uint64_t volatile_size;
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uint64_t cache_size;
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uint64_t logical_size;
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uint32_t extended_speed;
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uint32_t extended_conf_speed;*/
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} __attribute__((packed));
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/**
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* Memory device Structure (used for SPD decoding)
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*/
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extern struct mem_dev *dmi_memory_device;
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/**
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* Initialize SMBIOS/DMI (locate struct)
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*/
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int smbios_init(void);
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/**
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* Print DMI
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*/
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void print_smbios_startup_info(void);
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#endif // SMBIOS_H
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