1e07dc26bSmrg/* 2e07dc26bSmrg * Copyright (C) 2006-2017 Oracle Corporation 3e07dc26bSmrg * 4e07dc26bSmrg * Permission is hereby granted, free of charge, to any person obtaining a 5e07dc26bSmrg * copy of this software and associated documentation files (the "Software"), 6e07dc26bSmrg * to deal in the Software without restriction, including without limitation 7e07dc26bSmrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8e07dc26bSmrg * and/or sell copies of the Software, and to permit persons to whom the 9e07dc26bSmrg * Software is furnished to do so, subject to the following conditions: 10e07dc26bSmrg * 11e07dc26bSmrg * The above copyright notice and this permission notice shall be included in 12e07dc26bSmrg * all copies or substantial portions of the Software. 13e07dc26bSmrg * 14e07dc26bSmrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15e07dc26bSmrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16e07dc26bSmrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17e07dc26bSmrg * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18e07dc26bSmrg * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19e07dc26bSmrg * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20e07dc26bSmrg * OTHER DEALINGS IN THE SOFTWARE. 21e07dc26bSmrg */ 22e07dc26bSmrg 23e07dc26bSmrg 24e07dc26bSmrg#ifndef __HGSMIChannels_h__ 25e07dc26bSmrg#define __HGSMIChannels_h__ 26e07dc26bSmrg 27e07dc26bSmrg 28e07dc26bSmrg/* 29e07dc26bSmrg * Each channel has an 8 bit identifier. There are a number of predefined 30e07dc26bSmrg * (hardcoded) channels. 31e07dc26bSmrg * 32e07dc26bSmrg * HGSMI_CH_HGSMI channel can be used to map a string channel identifier 33e07dc26bSmrg * to a free 16 bit numerical value. values are allocated in range 34e07dc26bSmrg * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST]. 35e07dc26bSmrg */ 36e07dc26bSmrg 37e07dc26bSmrg 38e07dc26bSmrg/* Predefined channel identifiers. Used internally by VBOX to simplify the channel setup. */ 39e07dc26bSmrg/* A reserved channel value */ 40e07dc26bSmrg#define HGSMI_CH_RESERVED 0x00 41e07dc26bSmrg/* HGCMI: setup and configuration */ 42e07dc26bSmrg#define HGSMI_CH_HGSMI 0x01 43e07dc26bSmrg/* Graphics: VBVA */ 44e07dc26bSmrg#define HGSMI_CH_VBVA 0x02 45e07dc26bSmrg/* Graphics: Seamless with a single guest region */ 46e07dc26bSmrg#define HGSMI_CH_SEAMLESS 0x03 47e07dc26bSmrg/* Graphics: Seamless with separate host windows */ 48e07dc26bSmrg#define HGSMI_CH_SEAMLESS2 0x04 49e07dc26bSmrg/* Graphics: OpenGL HW acceleration */ 50e07dc26bSmrg#define HGSMI_CH_OPENGL 0x05 51e07dc26bSmrg 52e07dc26bSmrg 53e07dc26bSmrg/* Dynamically allocated channel identifiers. */ 54e07dc26bSmrg/* The first channel index to be used for string mappings (inclusive) */ 55e07dc26bSmrg#define HGSMI_CH_STRING_FIRST 0x20 56e07dc26bSmrg/* The last channel index for string mappings (inclusive) */ 57e07dc26bSmrg#define HGSMI_CH_STRING_LAST 0xff 58e07dc26bSmrg 59e07dc26bSmrg 60e07dc26bSmrg/* Check whether the channel identifier is allocated for a dynamic channel */ 61e07dc26bSmrg#define HGSMI_IS_DYNAMIC_CHANNEL(_channel) (((uint8_t)(_channel) & 0xE0) != 0) 62e07dc26bSmrg 63e07dc26bSmrg 64e07dc26bSmrg#endif /* !__HGSMIChannels_h__*/ 65