feat(guid-partition): allow to find partition by type UUID
Add function to return the partition by type.
Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com>
Change-Id: I87729dc5e68fbc45a523c894b67595b0079dd8fb
diff --git a/drivers/partition/gpt.c b/drivers/partition/gpt.c
index ee0bddf..4fe8322 100644
--- a/drivers/partition/gpt.c
+++ b/drivers/partition/gpt.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -59,6 +59,7 @@
gpt_entry->first_lba + 1) *
PLAT_PARTITION_BLOCK_SIZE;
guidcpy(&entry->part_guid, &gpt_entry->unique_uuid);
+ guidcpy(&entry->type_guid, &gpt_entry->type_uuid);
return 0;
}
diff --git a/drivers/partition/partition.c b/drivers/partition/partition.c
index c84816f..1881c91 100644
--- a/drivers/partition/partition.c
+++ b/drivers/partition/partition.c
@@ -266,6 +266,19 @@
return NULL;
}
+const partition_entry_t *get_partition_entry_by_type(const uuid_t *type_uuid)
+{
+ int i;
+
+ for (i = 0; i < list.entry_count; i++) {
+ if (guidcmp(type_uuid, &list.list[i].type_guid) == 0) {
+ return &list.list[i];
+ }
+ }
+
+ return NULL;
+}
+
const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid)
{
int i;
diff --git a/include/drivers/partition/partition.h b/include/drivers/partition/partition.h
index 11e5acf..6cb59c3 100644
--- a/include/drivers/partition/partition.h
+++ b/include/drivers/partition/partition.h
@@ -36,6 +36,7 @@
uint64_t length;
char name[EFI_NAMELEN];
struct efi_guid part_guid;
+ struct efi_guid type_guid;
} partition_entry_t;
typedef struct partition_entry_list {
@@ -45,6 +46,7 @@
int load_partition_table(unsigned int image_id);
const partition_entry_t *get_partition_entry(const char *name);
+const partition_entry_t *get_partition_entry_by_type(const uuid_t *type_guid);
const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid);
const partition_entry_list_t *get_partition_entry_list(void);
void partition_init(unsigned int image_id);