35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
/*
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* Copyright (c) 2012, ETH Zurich. All rights reserved.
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*
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* This file is distributed under the terms in the attached LICENSE file.
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* If you do not find this file, copies can be found by writing to:
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* ETH Zurich D-INFK, Universitaetsstrasse 6, CH-8092 Zurich. Attn: Systems Group.
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*/
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/*
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* virtio.dev
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*
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* The following structurs are taken from the Virtio Specification 1.0
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*
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*/
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device virtio lsbfirst ( addr base ) "Virtio Device Specification" {
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/*
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* 2.1 Device Status Field
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*/
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constant device_status "Device status field values" {
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reset = 0x00 "Reset the device status field";
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};
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datatype device_status lsbfirst "Device status field" {
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acknowledge 1 "Guest OS has found the device and recognized it as a valid virtio device.";
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driver 1 "Guest OS knows how to drive the device.";
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driver_ok 1 "Driver is set up and ready to drive the device.";
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features_ok 1 "Driver has acknowledged all the features it understands, and feature negotiation is complete.";
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_ 3 "Reserved";
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failed 1 "Something went wrong in the guest, and it has given up on the device.";
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};
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};
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