arch/s390/include/uapi/asm/virtio-ccw.h

   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