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gpt: Support for GPT (GUID Partition Table) restoration

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The restoration of GPT table (both primary and secondary) is now possible.
Function 'gpt_restore' presents example of partition restoration process.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Lukasz Majewski
2012-12-11 11:09:46 +01:00
committed by Tom Rini
parent fae2bf22a2
commit 40684ddb83
2 changed files with 330 additions and 3 deletions
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52
include/part.h
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@@ -176,10 +176,62 @@ int test_part_amiga (block_dev_desc_t *dev_desc);
#endif
#ifdef CONFIG_EFI_PARTITION
#include <part_efi.h>
/* disk/part_efi.c */
int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
void print_part_efi (block_dev_desc_t *dev_desc);
int test_part_efi (block_dev_desc_t *dev_desc);
/**
* write_gpt_table() - Write the GUID Partition Table to disk
*
* @param dev_desc - block device descriptor
* @param gpt_h - pointer to GPT header representation
* @param gpt_e - pointer to GPT partition table entries
*
* @return - zero on success, otherwise error
*/
int write_gpt_table(block_dev_desc_t *dev_desc,
gpt_header *gpt_h, gpt_entry *gpt_e);
/**
* gpt_fill_pte(): Fill the GPT partition table entry
*
* @param gpt_h - GPT header representation
* @param gpt_e - GPT partition table entries
* @param partitions - list of partitions
* @param parts - number of partitions
*
* @return zero on success
*/
int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
disk_partition_t *partitions, int parts);
/**
* gpt_fill_header(): Fill the GPT header
*
* @param dev_desc - block device descriptor
* @param gpt_h - GPT header representation
* @param str_guid - disk guid string representation
* @param parts_count - number of partitions
*
* @return - error on str_guid conversion error
*/
int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
char *str_guid, int parts_count);
/**
* gpt_restore(): Restore GPT partition table
*
* @param dev_desc - block device descriptor
* @param str_disk_guid - disk GUID
* @param partitions - list of partitions
* @param parts - number of partitions
*
* @return zero on success
*/
int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
disk_partition_t *partitions, const int parts_count);
#endif
#endif /* _PART_H */