| Haojian Zhuang | 91f5646 | 2016-07-28 14:19:36 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __GPT_H__ |
| 32 | #define __GPT_H__ |
| 33 | |
| 34 | #include <partition.h> |
| 35 | |
| 36 | #define PARTITION_TYPE_GPT 0xee |
| 37 | #define GPT_HEADER_OFFSET PARTITION_BLOCK_SIZE |
| 38 | #define GPT_ENTRY_OFFSET (GPT_HEADER_OFFSET + \ |
| 39 | PARTITION_BLOCK_SIZE) |
| 40 | #define GUID_LEN 16 |
| 41 | |
| 42 | #define GPT_SIGNATURE "EFI PART" |
| 43 | |
| 44 | typedef struct gpt_entry { |
| 45 | unsigned char type_uuid[GUID_LEN]; |
| 46 | unsigned char unique_uuid[GUID_LEN]; |
| 47 | unsigned long long first_lba; |
| 48 | unsigned long long last_lba; |
| 49 | unsigned long long attr; |
| 50 | unsigned short name[EFI_NAMELEN]; |
| 51 | } gpt_entry_t; |
| 52 | |
| 53 | typedef struct gpt_header { |
| 54 | unsigned char signature[8]; |
| 55 | unsigned int revision; |
| 56 | unsigned int size; |
| 57 | unsigned int header_crc; |
| 58 | unsigned int reserved; |
| 59 | unsigned long long current_lba; |
| 60 | unsigned long long backup_lba; |
| 61 | unsigned long long first_lba; |
| 62 | unsigned long long last_lba; |
| 63 | unsigned char disk_uuid[16]; |
| 64 | /* starting LBA of array of partition entries */ |
| 65 | unsigned long long part_lba; |
| 66 | /* number of partition entries in array */ |
| 67 | unsigned int list_num; |
| 68 | /* size of a single partition entry (usually 128) */ |
| 69 | unsigned int part_size; |
| 70 | unsigned int part_crc; |
| 71 | } gpt_header_t; |
| 72 | |
| 73 | int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry); |
| 74 | |
| 75 | #endif /* __GPT_H__ */ |