1 /* 2 * Definitions for virtio-ccw devices. 3 * 4 * Copyright IBM Corp. 2013 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License (version 2 only) 8 * as published by the Free Software Foundation. 9 * 10 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 11 */ 12 #ifndef __KVM_VIRTIO_CCW_H 13 #define __KVM_VIRTIO_CCW_H 14 15 /* Alignment of vring buffers. */ 16 #define KVM_VIRTIO_CCW_RING_ALIGN 4096 17 18 /* Subcode for diagnose 500 (virtio hypercall). */ 19 #define KVM_S390_VIRTIO_CCW_NOTIFY 3 20 21 #endif 22