@@ -394,6 +394,9 @@ void fwu_populate_mdata_image_info(struct fwu_data *data);
*/
int fwu_get_mdata_size(uint32_t *mdata_size);
+int fwu_mdata_get_image_guid(efi_guid_t *image_guid, efi_guid_t image_type_guid,
+ u32 bank_index);
+
/**
* fwu_state_machine_updates() - Update FWU state of the platform
* @trial_state: Is platform transitioning into Trial State
@@ -243,6 +243,30 @@ int fwu_sync_mdata(struct fwu_mdata *mdata, int part)
return 0;
}
+int fwu_mdata_get_image_guid(efi_guid_t *image_guid, efi_guid_t image_type_guid,
+ u32 bank_index)
+{
+ struct fwu_data *data = &g_fwu_data;
+ struct fwu_image_entry *image;
+ int i;
+
+ if (bank_index >= data->num_banks)
+ return -EINVAL;
+
+ for (i = 0; i < data->num_images; i++) {
+ image = &data->fwu_images[i];
+
+ if (!guidcmp(&image_type_guid, &image->image_type_guid)) {
+ struct fwu_image_bank_info *bank;
+
+ bank = &image->img_bank_info[bank_index];
+ guidcpy(image_guid, &bank->image_guid);
+ return 0;
+ }
+ }
+
+ return -ENOENT;
+}
/**
* fwu_mdata_copies_allocate() - Allocate memory for metadata
* @mdata_size: Size of the metadata structure
Introduce fwu_mdata_get_image_guid() to retrieve a specific image GUID from the FWU metadata based on the bank index and image type GUID. This allows identifying the correct partition in multi-bank (A/B) scenarios, ensuring the correct image is targeted depending on the current bank. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- include/fwu.h | 3 +++ lib/fwu_updates/fwu.c | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+)