drm/nouveau/core: add representation of generic binary objects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/core/os.h

@@ -21,4 +21,17 @@
 	iowrite32_native(lower_32_bits(_v), &_p[0]);			       \
 	iowrite32_native(upper_32_bits(_v), &_p[1]);			       \
 } while(0)
+
+struct nvkm_blob {
+	void *data;
+	u32 size;
+};
+
+static inline void
+nvkm_blob_dtor(struct nvkm_blob *blob)
+{
+	kfree(blob->data);
+	blob->data = NULL;
+	blob->size = 0;
+}
 #endif