diff options
| author | Alison Chaiken <alison@peloton-tech.com> | 2017-06-25 16:43:23 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-08-04 09:56:04 -0400 |
| commit | 73d6d18b7147c90d6f8a60acb8dad663a225e63d (patch) | |
| tree | 0df0ea577d085439b7a87dac0d92e0b46cb5862a /include/part.h | |
| parent | e6faf21f259ccc0601d06d458e33fb742deb1843 (diff) | |
GPT: add accessor function for disk GUID
In order to read the GPT, modify the partition name strings, and then
write out a new GPT, the disk GUID is needed. While there is an
existing accessor for the partition UUIDs, there is none yet for the
disk GUID.
Changes since v6: none.
Signed-off-by: Alison Chaiken <alison@peloton-tech.com>
Diffstat (limited to 'include/part.h')
| -rw-r--r-- | include/part.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/part.h b/include/part.h index 22da604482..c41aa6adc2 100644 --- a/include/part.h +++ b/include/part.h @@ -372,6 +372,21 @@ int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, int gpt_verify_partitions(struct blk_desc *dev_desc, disk_partition_t *partitions, int parts, gpt_header *gpt_head, gpt_entry **gpt_pte); + + +/** + * get_disk_guid() - Function to read the GUID string from a device's GPT + * + * This function reads the GUID string from a block device whose descriptor + * is provided. + * + * @param dev_desc - block device descriptor + * @param guid - pre-allocated string in which to return the GUID + * + * @return - '0' on success, otherwise error + */ +int get_disk_guid(struct blk_desc *dev_desc, char *guid); + #endif #if CONFIG_IS_ENABLED(DOS_PARTITION) |