//\r
#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)\r
#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)\r
-#define FVB_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('F', 'V', 'B', 'N')\r
+#define FVB_DEVICE_SIGNATURE SIGNATURE_32 ('F', 'V', 'B', 'N')\r
\r
typedef struct {\r
MEMMAP_DEVICE_PATH MemMapDevPath;\r