gve_device_descriptor
struct gve_device_descriptor *descriptor;
struct gve_device_option *gve_get_next_option(struct gve_device_descriptor *descriptor,
struct gve_device_descriptor *descriptor,
struct gve_device_descriptor *device_descriptor,
const struct gve_device_descriptor *descriptor)
static_assert(sizeof(struct gve_device_descriptor) == 40);