blob: cde3430deb74aaa8961e3704f8ea93282145255f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/** @file
*
* VBox Host Guest Shared Memory Interface (HGSMI).
* Host/Guest shared part.
* Channel identifiers.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef __HGSMIChannels_h__
#define __HGSMIChannels_h__
/* Each channel has an 8 bit identifier. There are a number of predefined
* (hardcoded) channels.
*
* HGSMI_CH_HGSMI channel can be used to map a string channel identifier
* to a free 16 bit numerical value. values are allocated in range
* [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST].
*
*/
/* Predefined channel identifiers. Used internally by VBOX to simplify the channel setup. */
#define HGSMI_CH_RESERVED (0x00) /* A reserved channel value. */
#define HGSMI_CH_HGSMI (0x01) /* HGCMI: setup and configuration channel. */
#define HGSMI_CH_VBVA (0x02) /* Graphics: VBVA. */
#define HGSMI_CH_SEAMLESS (0x03) /* Graphics: Seamless with a single guest region. */
#define HGSMI_CH_SEAMLESS2 (0x04) /* Graphics: Seamless with separate host windows. */
#define HGSMI_CH_OPENGL (0x05) /* Graphics: OpenGL HW acceleration. */
/* Dynamically allocated channel identifiers. */
#define HGSMI_CH_STRING_FIRST (0x20) /* The first channel index to be used for string mappings (inclusive). */
#define HGSMI_CH_STRING_LAST (0xff) /* The last channel index for string mappings (inclusive). */
/* Check whether the channel identifier is allocated for a dynamic channel. */
#define HGSMI_IS_DYNAMIC_CHANNEL(_channel) (((uint8_t)(_channel) & 0xE0) != 0)
#endif /* !__HGSMIChannels_h__*/
|
