1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 2/* 3 * Definitions for virtio-ccw devices. 4 * 5 * Copyright IBM Corp. 2013 6 * 7 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 8 */ 9#ifndef __KVM_VIRTIO_CCW_H 10#define __KVM_VIRTIO_CCW_H 11 12/* Alignment of vring buffers. */ 13#define KVM_VIRTIO_CCW_RING_ALIGN 4096 14 15/* Subcode for diagnose 500 (virtio hypercall). */ 16#define KVM_S390_VIRTIO_CCW_NOTIFY 3 17 18#endif 19