| /* |
| * Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Ported from mosys project (http://code.google.com/p/mosys/). |
| */ |
| |
| #ifndef __LIB_VPD_TABLES_H__ |
| #define __LIB_VPD_TABLES_H__ |
| |
| #include <stdint.h> |
| |
| #define VPD_ENTRY_MAGIC "_SM_" |
| #define VPD_INFO_MAGIC \ |
| "\xfe" /* type: VPD header */ \ |
| "\x09" /* key length, 9 = 1 + 8 */ \ |
| "\x01" /* info version, 1 */ \ |
| "gVpdInfo" /* signature, 8 bytes */ \ |
| "\x04" /* value length */ |
| |
| /* Google specific VPD info */ |
| struct google_vpd_info { |
| union { |
| struct { |
| uint8_t type; |
| uint8_t key_len; |
| uint8_t info_ver; |
| uint8_t signature[8]; |
| uint8_t value_len; |
| } tlv; |
| uint8_t magic[12]; |
| } header; |
| uint32_t size; |
| } __packed; |
| |
| /* Entry */ |
| struct vpd_entry { |
| uint8_t anchor_string[4]; |
| uint8_t entry_cksum; |
| uint8_t entry_length; |
| uint8_t major_ver; |
| uint8_t minor_ver; |
| uint16_t max_size; |
| uint8_t entry_rev; |
| uint8_t format_area[5]; |
| uint8_t inter_anchor_string[5]; |
| uint8_t inter_anchor_cksum; |
| uint16_t table_length; |
| uint32_t table_address; |
| uint16_t table_entry_count; |
| uint8_t bcd_revision; |
| } __packed; |
| |
| /* Header */ |
| struct vpd_header { |
| uint8_t type; |
| uint8_t length; |
| uint16_t handle; |
| } __packed; |
| |
| /* Type 0 - firmware information */ |
| struct vpd_table_firmware { |
| uint8_t vendor; |
| uint8_t version; |
| uint16_t start_address; |
| uint8_t release_date; |
| uint8_t rom_size_64k_blocks; |
| uint32_t characteristics; |
| uint8_t extension[2]; /* v2.4+ */ |
| uint8_t major_ver; /* v2.4+ */ |
| uint8_t minor_ver; /* v2.4+ */ |
| uint8_t ec_major_ver; /* v2.4+ */ |
| uint8_t ec_minor_ver; /* v2.4+ */ |
| } __packed; |
| |
| /* Type 1 - system information */ |
| struct vpd_table_system { |
| uint8_t manufacturer; |
| uint8_t name; |
| uint8_t version; |
| uint8_t serial_number; |
| uint8_t uuid[16]; |
| uint8_t wakeup_type; |
| uint8_t sku_number; /* v2.4+ */ |
| uint8_t family; /* v2.4+ */ |
| } __packed; |
| |
| /* Type 127 - end of table */ |
| struct vpd_table_eot { |
| struct vpd_header header; |
| } __packed; |
| |
| /* Type 241 - binary blob pointer */ |
| struct vpd_table_binary_blob_pointer { |
| uint8_t struct_major_version; |
| uint8_t struct_minor_version; |
| uint8_t vendor; |
| uint8_t description; |
| uint8_t major_version; |
| uint8_t minor_version; |
| uint8_t variant; |
| uint8_t reserved[5]; |
| uint8_t uuid[16]; |
| uint32_t offset; |
| uint32_t size; |
| } __packed; |
| |
| /* The length and number of strings defined here is not a limitation of VPD. |
| * These numbers were deemed good enough during development. */ |
| #define VPD_MAX_STRINGS 10 |
| #define VPD_MAX_STRING_LENGTH 64 |
| |
| #endif /* __LIB_VPD_TABLES_H__ */ |