efi_loader: correcty determine total device path length

[u-boot] / include / efi_loader.h

diff --git a/include/efi_loader.h b/include/efi_loader.h
index 17f9d3d1ef2c58ec3471291d9d39a8959d44e9d4..1298b5e16032338dd66ad1d864325a73c607a91a 100644 (file)
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -324,13 +324,19 @@ int efi_dp_match(const struct efi_device_path *a,
                 const struct efi_device_path *b);
 struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,
                                   struct efi_device_path **rem);
-unsigned efi_dp_size(const struct efi_device_path *dp);
+/* get size of the first device path instance excluding end node */
+efi_uintn_t efi_dp_instance_size(const struct efi_device_path *dp);
+/* size of multi-instance device path excluding end node */
+efi_uintn_t efi_dp_size(const struct efi_device_path *dp);
 struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp);
 struct efi_device_path *efi_dp_append(const struct efi_device_path *dp1,
                                      const struct efi_device_path *dp2);
 struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,
                                           const struct efi_device_path *node);
-
+/* Create a device path node of given type, sub-type, length */
+struct efi_device_path *efi_dp_create_device_node(const u8 type,
+                                                 const u8 sub_type,
+                                                 const u16 length);
 
 struct efi_device_path *efi_dp_from_dev(struct udevice *dev);
 struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part);