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gpt: add search by disk uuid command

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This commit is contained in:
Alex Crawford 2015-08-31 15:15:48 -07:00
parent a8c24e86d0
commit 53a4e99990
9 changed files with 103 additions and 2 deletions
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21
grub-core/lib/gpt.c
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@ -108,6 +108,27 @@ grub_gpt_part_uuid (grub_device_t device, char **uuid)
return GRUB_ERR_NONE;
}
grub_err_t
grub_gpt_disk_uuid (grub_device_t device, char **uuid)
{
grub_gpt_t gpt = grub_gpt_read (device->disk);
if (!gpt)
goto done;
grub_errno = GRUB_ERR_NONE;
if (gpt->status & GRUB_GPT_PRIMARY_HEADER_VALID)
*uuid = grub_gpt_guid_to_str (&gpt->primary.guid);
else if (gpt->status & GRUB_GPT_BACKUP_HEADER_VALID)
*uuid = grub_gpt_guid_to_str (&gpt->backup.guid);
else
grub_errno = grub_error (GRUB_ERR_BUG, "No valid GPT header");
done:
grub_gpt_free (gpt);
return grub_errno;
}
static grub_uint64_t
grub_gpt_size_to_sectors (grub_gpt_t gpt, grub_size_t size)
{