LXR uboot/arch/x86/include/asm/smbios.h

   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)
  58#define BIOS_CHARACTERISTICS_EXT2_TARGET        (1 << 2)
  59
  60struct __packed smbios_type0 {
  61        u8 type;
  62        u8 length;
  63        u16 handle;
  64        u8 vendor;
  65        u8 bios_ver;
  66        u16 bios_start_segment;
  67        u8 bios_release_date;
  68        u8 bios_rom_size;
  69        u64 bios_characteristics;
  70        u8 bios_characteristics_ext1;
  71        u8 bios_characteristics_ext2;
  72        u8 bios_major_release;
  73        u8 bios_minor_release;
  74        u8 ec_major_release;
  75        u8 ec_minor_release;
  76        char eos[SMBIOS_STRUCT_EOS_BYTES];
  77};
  78
  79struct __packed smbios_type1 {
  80        u8 type;
  81        u8 length;
  82        u16 handle;
  83        u8 manufacturer;
  84        u8 product_name;
  85        u8 version;
  86        u8 serial_number;
  87        u8 uuid[16];
  88        u8 wakeup_type;
  89        u8 sku_number;
  90        u8 family;
  91        char eos[SMBIOS_STRUCT_EOS_BYTES];
  92};
  93
  94#define SMBIOS_BOARD_FEATURE_HOSTING    (1 << 0)
  95#define SMBIOS_BOARD_MOTHERBOARD        10
  96
  97struct __packed smbios_type2 {
  98        u8 type;
  99        u8 length;
 100        u16 handle;
 101        u8 manufacturer;
 102        u8 product_name;
 103        u8 version;
 104        u8 serial_number;
 105        u8 asset_tag_number;
 106        u8 feature_flags;
 107        u8 chassis_location;
 108        u16 chassis_handle;
 109        u8 board_type;
 110        char eos[SMBIOS_STRUCT_EOS_BYTES];
 111};
 112
 113#define SMBIOS_ENCLOSURE_DESKTOP        3
 114#define SMBIOS_STATE_SAFE               3
 115#define SMBIOS_SECURITY_NONE            3
 116
 117struct __packed smbios_type3 {
 118        u8 type;
 119        u8 length;
 120        u16 handle;
 121        u8 manufacturer;
 122        u8 chassis_type;
 123        u8 version;
 124        u8 serial_number;
 125        u8 asset_tag_number;
 126        u8 bootup_state;
 127        u8 power_supply_state;
 128        u8 thermal_state;
 129        u8 security_status;
 130        u32 oem_defined;
 131        u8 height;
 132        u8 number_of_power_cords;
 133        u8 element_count;
 134        u8 element_record_length;
 135        char eos[SMBIOS_STRUCT_EOS_BYTES];
 136};
 137
 138#define SMBIOS_PROCESSOR_TYPE_CENTRAL   3
 139#define SMBIOS_PROCESSOR_STATUS_ENABLED 1
 140#define SMBIOS_PROCESSOR_UPGRADE_NONE   6
 141
 142struct __packed smbios_type4 {
 143        u8 type;
 144        u8 length;
 145        u16 handle;
 146        u8 socket_designation;
 147        u8 processor_type;
 148        u8 processor_family;
 149        u8 processor_manufacturer;
 150        u32 processor_id[2];
 151        u8 processor_version;
 152        u8 voltage;
 153        u16 external_clock;
 154        u16 max_speed;
 155        u16 current_speed;
 156        u8 status;
 157        u8 processor_upgrade;
 158        u16 l1_cache_handle;
 159        u16 l2_cache_handle;
 160        u16 l3_cache_handle;
 161        u8 serial_number;
 162        u8 asset_tag;
 163        u8 part_number;
 164        u8 core_count;
 165        u8 core_enabled;
 166        u8 thread_count;
 167        u16 processor_characteristics;
 168        u16 processor_family2;
 169        u16 core_count2;
 170        u16 core_enabled2;
 171        u16 thread_count2;
 172        char eos[SMBIOS_STRUCT_EOS_BYTES];
 173};
 174
 175struct __packed smbios_type32 {
 176        u8 type;
 177        u8 length;
 178        u16 handle;
 179        u8 reserved[6];
 180        u8 boot_status;
 181        u8 eos[SMBIOS_STRUCT_EOS_BYTES];
 182};
 183
 184struct __packed smbios_type127 {
 185        u8 type;
 186        u8 length;
 187        u16 handle;
 188        u8 eos[SMBIOS_STRUCT_EOS_BYTES];
 189};
 190
 191struct __packed smbios_header {
 192        u8 type;
 193        u8 length;
 194        u16 handle;
 195};
 196
 197/**
 198 * fill_smbios_header() - Fill the header of an SMBIOS table
 199 *
 200 * This fills the header of an SMBIOS table structure.
 201 *
 202 * @table:      start address of the structure
 203 * @type:       the type of structure
 204 * @length:     the length of the formatted area of the structure
 205 * @handle:     the structure's handle, a unique 16-bit number
 206 */
 207static inline void fill_smbios_header(void *table, int type,
 208                                      int length, int handle)
 209{
 210        struct smbios_header *header = table;
 211
 212        header->type = type;
 213        header->length = length - SMBIOS_STRUCT_EOS_BYTES;
 214        header->handle = handle;
 215}
 216
 217/**
 218 * Function prototype to write a specific type of SMBIOS structure
 219 *
 220 * @addr:       start address to write the structure
 221 * @handle:     the structure's handle, a unique 16-bit number
 222 * @return:     size of the structure
 223 */
 224typedef int (*smbios_write_type)(u32 *addr, int handle);
 225
 226/**
 227 * write_smbios_table() - Write SMBIOS table
 228 *
 229 * This writes SMBIOS table at a given address.
 230 *
 231 * @addr:       start address to write SMBIOS table
 232 * @return:     end address of SMBIOS table
 233 */
 234u32 write_smbios_table(u32 addr);
 235
 236#endif /* _SMBIOS_H_ */
 237