1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  * Definitions for virtio-ccw devices.
4  *
5  * Copyright IBM Corp. 2013
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License (version 2 only)
9  * as published by the Free Software Foundation.
10  *
11  *  Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
12  */
13 #ifndef __KVM_VIRTIO_CCW_H
14 #define __KVM_VIRTIO_CCW_H
15 
16 /* Alignment of vring buffers. */
17 #define KVM_VIRTIO_CCW_RING_ALIGN 4096
18 
19 /* Subcode for diagnose 500 (virtio hypercall). */
20 #define KVM_S390_VIRTIO_CCW_NOTIFY 3
21 
22 #endif
23