1*4882a593Smuzhiyun /* SPDX-License-Identifier: MIT */ 2*4882a593Smuzhiyun /* Copyright (C) 2006-2017 Oracle Corporation */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef __HGSMI_CHANNELS_H__ 5*4882a593Smuzhiyun #define __HGSMI_CHANNELS_H__ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun /* 8*4882a593Smuzhiyun * Each channel has an 8 bit identifier. There are a number of predefined 9*4882a593Smuzhiyun * (hardcoded) channels. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * HGSMI_CH_HGSMI channel can be used to map a string channel identifier 12*4882a593Smuzhiyun * to a free 16 bit numerical value. values are allocated in range 13*4882a593Smuzhiyun * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST]. 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* A reserved channel value */ 17*4882a593Smuzhiyun #define HGSMI_CH_RESERVED 0x00 18*4882a593Smuzhiyun /* HGCMI: setup and configuration */ 19*4882a593Smuzhiyun #define HGSMI_CH_HGSMI 0x01 20*4882a593Smuzhiyun /* Graphics: VBVA */ 21*4882a593Smuzhiyun #define HGSMI_CH_VBVA 0x02 22*4882a593Smuzhiyun /* Graphics: Seamless with a single guest region */ 23*4882a593Smuzhiyun #define HGSMI_CH_SEAMLESS 0x03 24*4882a593Smuzhiyun /* Graphics: Seamless with separate host windows */ 25*4882a593Smuzhiyun #define HGSMI_CH_SEAMLESS2 0x04 26*4882a593Smuzhiyun /* Graphics: OpenGL HW acceleration */ 27*4882a593Smuzhiyun #define HGSMI_CH_OPENGL 0x05 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* The first channel index to be used for string mappings (inclusive) */ 30*4882a593Smuzhiyun #define HGSMI_CH_STRING_FIRST 0x20 31*4882a593Smuzhiyun /* The last channel index for string mappings (inclusive) */ 32*4882a593Smuzhiyun #define HGSMI_CH_STRING_LAST 0xff 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif 35