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