LXR linux/include/uapi/linux/virtio

   1#ifndef _UAPI_LINUX_VIRTIO_TYPES_H
   2#define _UAPI_LINUX_VIRTIO_TYPES_H
   3/* Type definitions for virtio implementations.
   4 *
   5 * This header is BSD licensed so anyone can use the definitions to implement
   6 * compatible drivers/servers.
   7 *
   8 * Redistribution and use in source and binary forms, with or without
   9 * modification, are permitted provided that the following conditions
  10 * are met:
  11 * 1. Redistributions of source code must retain the above copyright
  12 *    notice, this list of conditions and the following disclaimer.
  13 * 2. Redistributions in binary form must reproduce the above copyright
  14 *    notice, this list of conditions and the following disclaimer in the
  15 *    documentation and/or other materials provided with the distribution.
  16 * 3. Neither the name of IBM nor the names of its contributors
  17 *    may be used to endorse or promote products derived from this software
  18 *    without specific prior written permission.
  19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
  20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22 * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
  23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29 * SUCH DAMAGE.
  30 *
  31 * Copyright (C) 2014 Red Hat, Inc.
  32 * Author: Michael S. Tsirkin <mst@redhat.com>
  33 */
  34#include <linux/types.h>
  35
  36/*
  37 * __virtio{16,32,64} have the following meaning:
  38 * - __u{16,32,64} for virtio devices in legacy mode, accessed in native endian
  39 * - __le{16,32,64} for standard-compliant virtio devices
  40 */
  41
  42typedef __u16 __bitwise__ __virtio16;
  43typedef __u32 __bitwise__ __virtio32;
  44typedef __u64 __bitwise__ __virtio64;
  45
  46#endif /* _UAPI_LINUX_VIRTIO_TYPES_H */
  47