diff --git a/include/uapi/linux/nvme_ioctl.h b/include/uapi/linux/nvme_ioctl.h
index e168dc59e9a0d6c4b8b79242848c7db0a0b93337..d99b5a772698037a9a9fd51a3711a69393a166ef 100644
--- a/include/uapi/linux/nvme_ioctl.h
+++ b/include/uapi/linux/nvme_ioctl.h
@@ -63,6 +63,7 @@ struct nvme_passthru_cmd64 {
 	__u32	cdw14;
 	__u32	cdw15;
 	__u32	timeout_ms;
+	__u32   rsvd2;
 	__u64	result;
 };