/* SPDX-License-Identifier: MIT */
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/* Copyright (C) 2006-2017 Oracle Corporation */
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#ifndef __HGSMI_CHANNELS_H__
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#define __HGSMI_CHANNELS_H__
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/*
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* Each channel has an 8 bit identifier. There are a number of predefined
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* (hardcoded) channels.
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*
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* HGSMI_CH_HGSMI channel can be used to map a string channel identifier
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* to a free 16 bit numerical value. values are allocated in range
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* [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST].
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*/
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/* A reserved channel value */
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#define HGSMI_CH_RESERVED 0x00
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/* HGCMI: setup and configuration */
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#define HGSMI_CH_HGSMI 0x01
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/* Graphics: VBVA */
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#define HGSMI_CH_VBVA 0x02
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/* Graphics: Seamless with a single guest region */
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#define HGSMI_CH_SEAMLESS 0x03
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/* Graphics: Seamless with separate host windows */
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#define HGSMI_CH_SEAMLESS2 0x04
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/* Graphics: OpenGL HW acceleration */
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#define HGSMI_CH_OPENGL 0x05
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/* The first channel index to be used for string mappings (inclusive) */
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#define HGSMI_CH_STRING_FIRST 0x20
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/* The last channel index for string mappings (inclusive) */
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#define HGSMI_CH_STRING_LAST 0xff
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#endif
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