diff options
Diffstat (limited to 'include/drivers/partition/gpt.h')
| -rw-r--r-- | include/drivers/partition/gpt.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/drivers/partition/gpt.h b/include/drivers/partition/gpt.h new file mode 100644 index 00000000..bd0a7f03 --- /dev/null +++ b/include/drivers/partition/gpt.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __GPT_H__ +#define __GPT_H__ + +#include <partition.h> + +#define PARTITION_TYPE_GPT 0xee +#define GPT_HEADER_OFFSET PARTITION_BLOCK_SIZE +#define GPT_ENTRY_OFFSET (GPT_HEADER_OFFSET + \ + PARTITION_BLOCK_SIZE) +#define GUID_LEN 16 + +#define GPT_SIGNATURE "EFI PART" + +typedef struct gpt_entry { + unsigned char type_uuid[GUID_LEN]; + unsigned char unique_uuid[GUID_LEN]; + unsigned long long first_lba; + unsigned long long last_lba; + unsigned long long attr; + unsigned short name[EFI_NAMELEN]; +} gpt_entry_t; + +typedef struct gpt_header { + unsigned char signature[8]; + unsigned int revision; + unsigned int size; + unsigned int header_crc; + unsigned int reserved; + unsigned long long current_lba; + unsigned long long backup_lba; + unsigned long long first_lba; + unsigned long long last_lba; + unsigned char disk_uuid[16]; + /* starting LBA of array of partition entries */ + unsigned long long part_lba; + /* number of partition entries in array */ + unsigned int list_num; + /* size of a single partition entry (usually 128) */ + unsigned int part_size; + unsigned int part_crc; +} gpt_header_t; + +int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry); + +#endif /* __GPT_H__ */ |