1 1.1 riastrad /* $NetBSD: hgsmi_channels.h,v 1.2 2021/12/18 23:45:44 riastradh Exp $ */ 2 1.1 riastrad 3 1.1 riastrad /* SPDX-License-Identifier: MIT */ 4 1.1 riastrad /* Copyright (C) 2006-2017 Oracle Corporation */ 5 1.1 riastrad 6 1.1 riastrad #ifndef __HGSMI_CHANNELS_H__ 7 1.1 riastrad #define __HGSMI_CHANNELS_H__ 8 1.1 riastrad 9 1.1 riastrad /* 10 1.1 riastrad * Each channel has an 8 bit identifier. There are a number of predefined 11 1.1 riastrad * (hardcoded) channels. 12 1.1 riastrad * 13 1.1 riastrad * HGSMI_CH_HGSMI channel can be used to map a string channel identifier 14 1.1 riastrad * to a free 16 bit numerical value. values are allocated in range 15 1.1 riastrad * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST]. 16 1.1 riastrad */ 17 1.1 riastrad 18 1.1 riastrad /* A reserved channel value */ 19 1.1 riastrad #define HGSMI_CH_RESERVED 0x00 20 1.1 riastrad /* HGCMI: setup and configuration */ 21 1.1 riastrad #define HGSMI_CH_HGSMI 0x01 22 1.1 riastrad /* Graphics: VBVA */ 23 1.1 riastrad #define HGSMI_CH_VBVA 0x02 24 1.1 riastrad /* Graphics: Seamless with a single guest region */ 25 1.1 riastrad #define HGSMI_CH_SEAMLESS 0x03 26 1.1 riastrad /* Graphics: Seamless with separate host windows */ 27 1.1 riastrad #define HGSMI_CH_SEAMLESS2 0x04 28 1.1 riastrad /* Graphics: OpenGL HW acceleration */ 29 1.1 riastrad #define HGSMI_CH_OPENGL 0x05 30 1.1 riastrad 31 1.1 riastrad /* The first channel index to be used for string mappings (inclusive) */ 32 1.1 riastrad #define HGSMI_CH_STRING_FIRST 0x20 33 1.1 riastrad /* The last channel index for string mappings (inclusive) */ 34 1.1 riastrad #define HGSMI_CH_STRING_LAST 0xff 35 1.1 riastrad 36 1.1 riastrad #endif 37