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https://github.com/brain-hackers/u-boot-brain
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![Alexander Graf](/assets/img/avatar_default.png)
We can pass SMBIOS easily as EFI configuration table to an EFI payload. This patch adds enablement for that case. While at it, we also enable SMBIOS generation for ARM systems, since they support EFI_LOADER. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
241 lines
5.0 KiB
C
241 lines
5.0 KiB
C
/*
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* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
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*
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* Adapted from coreboot src/include/smbios.h
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _SMBIOS_H_
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#define _SMBIOS_H_
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/* SMBIOS spec version implemented */
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#define SMBIOS_MAJOR_VER 3
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#define SMBIOS_MINOR_VER 0
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/* SMBIOS structure types */
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enum {
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SMBIOS_BIOS_INFORMATION = 0,
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SMBIOS_SYSTEM_INFORMATION = 1,
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SMBIOS_BOARD_INFORMATION = 2,
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SMBIOS_SYSTEM_ENCLOSURE = 3,
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SMBIOS_PROCESSOR_INFORMATION = 4,
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SMBIOS_CACHE_INFORMATION = 7,
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SMBIOS_SYSTEM_SLOTS = 9,
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SMBIOS_PHYS_MEMORY_ARRAY = 16,
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SMBIOS_MEMORY_DEVICE = 17,
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SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS = 19,
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SMBIOS_SYSTEM_BOOT_INFORMATION = 32,
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SMBIOS_END_OF_TABLE = 127
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};
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#define SMBIOS_INTERMEDIATE_OFFSET 16
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#define SMBIOS_STRUCT_EOS_BYTES 2
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struct __packed smbios_entry {
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u8 anchor[4];
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u8 checksum;
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u8 length;
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u8 major_ver;
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u8 minor_ver;
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u16 max_struct_size;
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u8 entry_point_rev;
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u8 formatted_area[5];
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u8 intermediate_anchor[5];
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u8 intermediate_checksum;
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u16 struct_table_length;
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u32 struct_table_address;
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u16 struct_count;
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u8 bcd_rev;
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};
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/* BIOS characteristics */
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#define BIOS_CHARACTERISTICS_PCI_SUPPORTED (1 << 7)
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#define BIOS_CHARACTERISTICS_UPGRADEABLE (1 << 11)
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#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT (1 << 16)
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#define BIOS_CHARACTERISTICS_EXT1_ACPI (1 << 0)
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#define BIOS_CHARACTERISTICS_EXT1_UEFI (1 << 3)
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#define BIOS_CHARACTERISTICS_EXT2_TARGET (1 << 2)
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struct __packed smbios_type0 {
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u8 type;
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u8 length;
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u16 handle;
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u8 vendor;
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u8 bios_ver;
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u16 bios_start_segment;
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u8 bios_release_date;
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u8 bios_rom_size;
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u64 bios_characteristics;
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u8 bios_characteristics_ext1;
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u8 bios_characteristics_ext2;
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u8 bios_major_release;
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u8 bios_minor_release;
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u8 ec_major_release;
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u8 ec_minor_release;
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char eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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struct __packed smbios_type1 {
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u8 type;
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u8 length;
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u16 handle;
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u8 manufacturer;
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u8 product_name;
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u8 version;
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u8 serial_number;
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u8 uuid[16];
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u8 wakeup_type;
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u8 sku_number;
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u8 family;
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char eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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#define SMBIOS_BOARD_FEATURE_HOSTING (1 << 0)
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#define SMBIOS_BOARD_MOTHERBOARD 10
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struct __packed smbios_type2 {
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u8 type;
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u8 length;
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u16 handle;
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u8 manufacturer;
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u8 product_name;
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u8 version;
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u8 serial_number;
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u8 asset_tag_number;
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u8 feature_flags;
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u8 chassis_location;
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u16 chassis_handle;
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u8 board_type;
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char eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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#define SMBIOS_ENCLOSURE_DESKTOP 3
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#define SMBIOS_STATE_SAFE 3
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#define SMBIOS_SECURITY_NONE 3
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struct __packed smbios_type3 {
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u8 type;
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u8 length;
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u16 handle;
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u8 manufacturer;
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u8 chassis_type;
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u8 version;
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u8 serial_number;
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u8 asset_tag_number;
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u8 bootup_state;
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u8 power_supply_state;
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u8 thermal_state;
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u8 security_status;
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u32 oem_defined;
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u8 height;
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u8 number_of_power_cords;
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u8 element_count;
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u8 element_record_length;
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char eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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#define SMBIOS_PROCESSOR_TYPE_CENTRAL 3
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#define SMBIOS_PROCESSOR_STATUS_ENABLED 1
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#define SMBIOS_PROCESSOR_UPGRADE_NONE 6
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#define SMBIOS_PROCESSOR_FAMILY_OTHER 1
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#define SMBIOS_PROCESSOR_FAMILY_UNKNOWN 2
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struct __packed smbios_type4 {
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u8 type;
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u8 length;
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u16 handle;
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u8 socket_designation;
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u8 processor_type;
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u8 processor_family;
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u8 processor_manufacturer;
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u32 processor_id[2];
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u8 processor_version;
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u8 voltage;
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u16 external_clock;
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u16 max_speed;
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u16 current_speed;
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u8 status;
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u8 processor_upgrade;
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u16 l1_cache_handle;
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u16 l2_cache_handle;
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u16 l3_cache_handle;
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u8 serial_number;
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u8 asset_tag;
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u8 part_number;
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u8 core_count;
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u8 core_enabled;
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u8 thread_count;
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u16 processor_characteristics;
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u16 processor_family2;
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u16 core_count2;
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u16 core_enabled2;
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u16 thread_count2;
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char eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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struct __packed smbios_type32 {
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u8 type;
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u8 length;
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u16 handle;
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u8 reserved[6];
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u8 boot_status;
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u8 eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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struct __packed smbios_type127 {
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u8 type;
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u8 length;
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u16 handle;
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u8 eos[SMBIOS_STRUCT_EOS_BYTES];
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};
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struct __packed smbios_header {
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u8 type;
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u8 length;
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u16 handle;
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};
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/**
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* fill_smbios_header() - Fill the header of an SMBIOS table
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*
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* This fills the header of an SMBIOS table structure.
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*
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* @table: start address of the structure
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* @type: the type of structure
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* @length: the length of the formatted area of the structure
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* @handle: the structure's handle, a unique 16-bit number
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*/
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static inline void fill_smbios_header(void *table, int type,
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int length, int handle)
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{
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struct smbios_header *header = table;
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header->type = type;
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header->length = length - SMBIOS_STRUCT_EOS_BYTES;
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header->handle = handle;
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}
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/**
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* Function prototype to write a specific type of SMBIOS structure
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*
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* @addr: start address to write the structure
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* @handle: the structure's handle, a unique 16-bit number
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* @return: size of the structure
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*/
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typedef int (*smbios_write_type)(uintptr_t *addr, int handle);
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/**
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* write_smbios_table() - Write SMBIOS table
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*
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* This writes SMBIOS table at a given address.
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*
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* @addr: start address to write SMBIOS table
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* @return: end address of SMBIOS table
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*/
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uintptr_t write_smbios_table(uintptr_t addr);
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#endif /* _SMBIOS_H_ */
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