/*
 * Copyright (c) 2012, ETH Zurich. All rights reserved.
 *
 * This file is distributed under the terms in the attached LICENSE file.
 * If you do not find this file, copies can be found by writing to:
 * ETH Zurich D-INFK, Universitaetsstrasse 6, CH-8092 Zurich. Attn: Systems Group.
 */

/*
 * virtio.dev
 *
 * The following structurs are taken from the Virtio Specification 1.0
 *
 */
 
device virtio lsbfirst ( addr base ) "Virtio Device Specification" {
    
    /*
     * 2.1 Device Status Field
     */
    constant device_status "Device status field values" {
        reset = 0x00 "Reset the device status field";     
    };
    
    datatype device_status lsbfirst "Device status field" {
        acknowledge 1 "Guest OS has found the device and recognized it as a valid virtio device.";
        driver      1 "Guest OS knows how to drive the device.";
        driver_ok   1 "Driver is set up and ready to drive the device.";
        features_ok 1 "Driver has acknowledged all the features it understands, and feature negotiation is complete.";
        _           3 "Reserved";
        failed      1 "Something went wrong in the guest, and it has given up on the device.";
    };
   
 };