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