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