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