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