2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
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.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
33 #ifndef _VIRTIO_MMIO_H
34 #define _VIRTIO_MMIO_H
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
59 #endif /* _VIRTIO_MMIO_H */