1 /* $NetBSD: hgsmi_channels.h,v 1.2 2021/12/18 23:45:44 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 /* Copyright (C) 2006-2017 Oracle Corporation */ 5 6 #ifndef __HGSMI_CHANNELS_H__ 7 #define __HGSMI_CHANNELS_H__ 8 9 /* 10 * Each channel has an 8 bit identifier. There are a number of predefined 11 * (hardcoded) channels. 12 * 13 * HGSMI_CH_HGSMI channel can be used to map a string channel identifier 14 * to a free 16 bit numerical value. values are allocated in range 15 * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST]. 16 */ 17 18 /* A reserved channel value */ 19 #define HGSMI_CH_RESERVED 0x00 20 /* HGCMI: setup and configuration */ 21 #define HGSMI_CH_HGSMI 0x01 22 /* Graphics: VBVA */ 23 #define HGSMI_CH_VBVA 0x02 24 /* Graphics: Seamless with a single guest region */ 25 #define HGSMI_CH_SEAMLESS 0x03 26 /* Graphics: Seamless with separate host windows */ 27 #define HGSMI_CH_SEAMLESS2 0x04 28 /* Graphics: OpenGL HW acceleration */ 29 #define HGSMI_CH_OPENGL 0x05 30 31 /* The first channel index to be used for string mappings (inclusive) */ 32 #define HGSMI_CH_STRING_FIRST 0x20 33 /* The last channel index for string mappings (inclusive) */ 34 #define HGSMI_CH_STRING_LAST 0xff 35 36 #endif 37
Indexes created Tue Sep 30 17:09:57 GMT 2025