1edfb8d8fSMichael S. Tsirkin /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 26a773cb8SCornelia Huck /* 36a773cb8SCornelia Huck * Definitions for virtio-ccw devices. 46a773cb8SCornelia Huck * 56a773cb8SCornelia Huck * Copyright IBM Corp. 2013 66a773cb8SCornelia Huck * 76a773cb8SCornelia Huck * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 86a773cb8SCornelia Huck */ 96a773cb8SCornelia Huck #ifndef __KVM_VIRTIO_CCW_H 106a773cb8SCornelia Huck #define __KVM_VIRTIO_CCW_H 116a773cb8SCornelia Huck 126a773cb8SCornelia Huck /* Alignment of vring buffers. */ 136a773cb8SCornelia Huck #define KVM_VIRTIO_CCW_RING_ALIGN 4096 146a773cb8SCornelia Huck 156a773cb8SCornelia Huck /* Subcode for diagnose 500 (virtio hypercall). */ 166a773cb8SCornelia Huck #define KVM_S390_VIRTIO_CCW_NOTIFY 3 176a773cb8SCornelia Huck 186a773cb8SCornelia Huck #endif 19