1*4882a593Smuzhiyun /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Definitions for virtio-ccw devices. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright IBM Corp. 2013 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #ifndef __KVM_VIRTIO_CCW_H 10*4882a593Smuzhiyun #define __KVM_VIRTIO_CCW_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* Alignment of vring buffers. */ 13*4882a593Smuzhiyun #define KVM_VIRTIO_CCW_RING_ALIGN 4096 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* Subcode for diagnose 500 (virtio hypercall). */ 16*4882a593Smuzhiyun #define KVM_S390_VIRTIO_CCW_NOTIFY 3 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #endif 19