mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 17:38:51 +09:00
![Simon Glass](/assets/img/avatar_default.png)
Clarify the operation of this code with some additional comments. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
241 lines
5.1 KiB
C
241 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
|
|
*
|
|
* Adapted from coreboot src/include/smbios.h
|
|
*/
|
|
|
|
#ifndef _SMBIOS_H_
|
|
#define _SMBIOS_H_
|
|
|
|
/* SMBIOS spec version implemented */
|
|
#define SMBIOS_MAJOR_VER 3
|
|
#define SMBIOS_MINOR_VER 0
|
|
|
|
/* SMBIOS structure types */
|
|
enum {
|
|
SMBIOS_BIOS_INFORMATION = 0,
|
|
SMBIOS_SYSTEM_INFORMATION = 1,
|
|
SMBIOS_BOARD_INFORMATION = 2,
|
|
SMBIOS_SYSTEM_ENCLOSURE = 3,
|
|
SMBIOS_PROCESSOR_INFORMATION = 4,
|
|
SMBIOS_CACHE_INFORMATION = 7,
|
|
SMBIOS_SYSTEM_SLOTS = 9,
|
|
SMBIOS_PHYS_MEMORY_ARRAY = 16,
|
|
SMBIOS_MEMORY_DEVICE = 17,
|
|
SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS = 19,
|
|
SMBIOS_SYSTEM_BOOT_INFORMATION = 32,
|
|
SMBIOS_END_OF_TABLE = 127
|
|
};
|
|
|
|
#define SMBIOS_INTERMEDIATE_OFFSET 16
|
|
#define SMBIOS_STRUCT_EOS_BYTES 2
|
|
|
|
struct __packed smbios_entry {
|
|
u8 anchor[4];
|
|
u8 checksum;
|
|
u8 length;
|
|
u8 major_ver;
|
|
u8 minor_ver;
|
|
u16 max_struct_size;
|
|
u8 entry_point_rev;
|
|
u8 formatted_area[5];
|
|
u8 intermediate_anchor[5];
|
|
u8 intermediate_checksum;
|
|
u16 struct_table_length;
|
|
u32 struct_table_address;
|
|
u16 struct_count;
|
|
u8 bcd_rev;
|
|
};
|
|
|
|
/* BIOS characteristics */
|
|
#define BIOS_CHARACTERISTICS_PCI_SUPPORTED (1 << 7)
|
|
#define BIOS_CHARACTERISTICS_UPGRADEABLE (1 << 11)
|
|
#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT (1 << 16)
|
|
|
|
#define BIOS_CHARACTERISTICS_EXT1_ACPI (1 << 0)
|
|
#define BIOS_CHARACTERISTICS_EXT1_UEFI (1 << 3)
|
|
#define BIOS_CHARACTERISTICS_EXT2_TARGET (1 << 2)
|
|
|
|
struct __packed smbios_type0 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 vendor;
|
|
u8 bios_ver;
|
|
u16 bios_start_segment;
|
|
u8 bios_release_date;
|
|
u8 bios_rom_size;
|
|
u64 bios_characteristics;
|
|
u8 bios_characteristics_ext1;
|
|
u8 bios_characteristics_ext2;
|
|
u8 bios_major_release;
|
|
u8 bios_minor_release;
|
|
u8 ec_major_release;
|
|
u8 ec_minor_release;
|
|
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
struct __packed smbios_type1 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 manufacturer;
|
|
u8 product_name;
|
|
u8 version;
|
|
u8 serial_number;
|
|
u8 uuid[16];
|
|
u8 wakeup_type;
|
|
u8 sku_number;
|
|
u8 family;
|
|
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
#define SMBIOS_BOARD_FEATURE_HOSTING (1 << 0)
|
|
#define SMBIOS_BOARD_MOTHERBOARD 10
|
|
|
|
struct __packed smbios_type2 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 manufacturer;
|
|
u8 product_name;
|
|
u8 version;
|
|
u8 serial_number;
|
|
u8 asset_tag_number;
|
|
u8 feature_flags;
|
|
u8 chassis_location;
|
|
u16 chassis_handle;
|
|
u8 board_type;
|
|
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
#define SMBIOS_ENCLOSURE_DESKTOP 3
|
|
#define SMBIOS_STATE_SAFE 3
|
|
#define SMBIOS_SECURITY_NONE 3
|
|
|
|
struct __packed smbios_type3 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 manufacturer;
|
|
u8 chassis_type;
|
|
u8 version;
|
|
u8 serial_number;
|
|
u8 asset_tag_number;
|
|
u8 bootup_state;
|
|
u8 power_supply_state;
|
|
u8 thermal_state;
|
|
u8 security_status;
|
|
u32 oem_defined;
|
|
u8 height;
|
|
u8 number_of_power_cords;
|
|
u8 element_count;
|
|
u8 element_record_length;
|
|
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
#define SMBIOS_PROCESSOR_TYPE_CENTRAL 3
|
|
#define SMBIOS_PROCESSOR_STATUS_ENABLED 1
|
|
#define SMBIOS_PROCESSOR_UPGRADE_NONE 6
|
|
|
|
#define SMBIOS_PROCESSOR_FAMILY_OTHER 1
|
|
#define SMBIOS_PROCESSOR_FAMILY_UNKNOWN 2
|
|
|
|
struct __packed smbios_type4 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 socket_designation;
|
|
u8 processor_type;
|
|
u8 processor_family;
|
|
u8 processor_manufacturer;
|
|
u32 processor_id[2];
|
|
u8 processor_version;
|
|
u8 voltage;
|
|
u16 external_clock;
|
|
u16 max_speed;
|
|
u16 current_speed;
|
|
u8 status;
|
|
u8 processor_upgrade;
|
|
u16 l1_cache_handle;
|
|
u16 l2_cache_handle;
|
|
u16 l3_cache_handle;
|
|
u8 serial_number;
|
|
u8 asset_tag;
|
|
u8 part_number;
|
|
u8 core_count;
|
|
u8 core_enabled;
|
|
u8 thread_count;
|
|
u16 processor_characteristics;
|
|
u16 processor_family2;
|
|
u16 core_count2;
|
|
u16 core_enabled2;
|
|
u16 thread_count2;
|
|
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
struct __packed smbios_type32 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 reserved[6];
|
|
u8 boot_status;
|
|
u8 eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
struct __packed smbios_type127 {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
u8 eos[SMBIOS_STRUCT_EOS_BYTES];
|
|
};
|
|
|
|
struct __packed smbios_header {
|
|
u8 type;
|
|
u8 length;
|
|
u16 handle;
|
|
};
|
|
|
|
/**
|
|
* fill_smbios_header() - Fill the header of an SMBIOS table
|
|
*
|
|
* This fills the header of an SMBIOS table structure.
|
|
*
|
|
* @table: start address of the structure
|
|
* @type: the type of structure
|
|
* @length: the length of the formatted area of the structure
|
|
* @handle: the structure's handle, a unique 16-bit number
|
|
*/
|
|
static inline void fill_smbios_header(void *table, int type,
|
|
int length, int handle)
|
|
{
|
|
struct smbios_header *header = table;
|
|
|
|
header->type = type;
|
|
header->length = length - SMBIOS_STRUCT_EOS_BYTES;
|
|
header->handle = handle;
|
|
}
|
|
|
|
/**
|
|
* Function prototype to write a specific type of SMBIOS structure
|
|
*
|
|
* @addr: start address to write the structure
|
|
* @handle: the structure's handle, a unique 16-bit number
|
|
* @return: size of the structure
|
|
*/
|
|
typedef int (*smbios_write_type)(ulong *addr, int handle);
|
|
|
|
/**
|
|
* write_smbios_table() - Write SMBIOS table
|
|
*
|
|
* This writes SMBIOS table at a given address.
|
|
*
|
|
* @addr: start address to write SMBIOS table. If this is not
|
|
* 16-byte-aligned then it will be aligned before the table is written
|
|
* @return: end address of SMBIOS table (and start address for next entry)
|
|
*/
|
|
ulong write_smbios_table(ulong addr);
|
|
|
|
#endif /* _SMBIOS_H_ */
|