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/*
* 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 <compiler.h>
#include <inttypes.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__ */
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