1/*-
2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#ifndef	_VIRTIO_MMIO_H
34#define	_VIRTIO_MMIO_H
35
36#define	VIRTIO_MMIO_MAGIC_VALUE		0x000
37#define	VIRTIO_MMIO_VERSION		0x004
38#define	VIRTIO_MMIO_DEVICE_ID		0x008
39#define	VIRTIO_MMIO_VENDOR_ID		0x00c
40#define	VIRTIO_MMIO_HOST_FEATURES	0x010
41#define	VIRTIO_MMIO_HOST_FEATURES_SEL	0x014
42#define	VIRTIO_MMIO_GUEST_FEATURES	0x020
43#define	VIRTIO_MMIO_GUEST_FEATURES_SEL	0x024
44#define	VIRTIO_MMIO_GUEST_PAGE_SIZE	0x028
45#define	VIRTIO_MMIO_QUEUE_SEL		0x030
46#define	VIRTIO_MMIO_QUEUE_NUM_MAX	0x034
47#define	VIRTIO_MMIO_QUEUE_NUM		0x038
48#define	VIRTIO_MMIO_QUEUE_ALIGN		0x03c
49#define	VIRTIO_MMIO_QUEUE_PFN		0x040
50#define	VIRTIO_MMIO_QUEUE_NOTIFY	0x050
51#define	VIRTIO_MMIO_INTERRUPT_STATUS	0x060
52#define	VIRTIO_MMIO_INTERRUPT_ACK	0x064
53#define	VIRTIO_MMIO_STATUS		0x070
54#define	VIRTIO_MMIO_CONFIG		0x100
55#define	VIRTIO_MMIO_INT_VRING		(1 << 0)
56#define	VIRTIO_MMIO_INT_CONFIG		(1 << 1)
57#define	VIRTIO_MMIO_VRING_ALIGN		4096
58
59#endif /* _VIRTIO_MMIO_H */
60