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gpt: add search by partition label and uuid commands

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Builds on the existing filesystem search code. Only for GPT right now.
This commit is contained in:
Michael Marineau 2014-11-27 16:34:21 -08:00
parent 9c61d9bc2c
commit c70627bc9f
10 changed files with 251 additions and 0 deletions
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16
include/grub/gpt_partition.h
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@ -49,6 +49,10 @@ char * grub_gpt_guid_to_str (grub_gpt_guid_t *guid);
GRUB_GPT_GUID_INIT (0x0, 0x0, 0x0, \
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
#define GRUB_GPT_PARTITION_TYPE_EFI_SYSTEM \
GRUB_GPT_GUID_INIT (0xc12a7328, 0xf81f, 0x11d2, \
0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b)
#define GRUB_GPT_PARTITION_TYPE_BIOS_BOOT \
GRUB_GPT_GUID_INIT (0x21686148, 0x6449, 0x6e6f, \
0x74, 0x4e, 0x65, 0x65, 0x64, 0x45, 0x46, 0x49)
@ -216,4 +220,16 @@ grub_err_t grub_gpt_pmbr_check (struct grub_msdos_partition_mbr *mbr);
grub_err_t grub_gpt_header_check (struct grub_gpt_header *gpt,
unsigned int log_sector_size);
/* Utilities for simple partition data lookups, usage is intended to
* be similar to fs->label and fs->uuid functions. */
/* Return the partition label of the device DEVICE in LABEL.
* The label is in a new buffer and should be freed by the caller. */
grub_err_t grub_gpt_part_label (grub_device_t device, char **label);
/* Return the partition uuid of the device DEVICE in UUID.
* The label is in a new buffer and should be freed by the caller. */
grub_err_t grub_gpt_part_uuid (grub_device_t device, char **uuid);
#endif /* ! GRUB_GPT_PARTITION_HEADER */

4
include/grub/search.h
View file

@ -25,5 +25,9 @@ void grub_search_fs_uuid (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints);
void grub_search_label (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints);
void grub_search_part_uuid (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints);
void grub_search_part_label (const char *key, const char *var, int no_floppy,
char **hints, unsigned nhints);
#endif