| /** @file | |
| * | |
| * VBox Host Guest Shared Memory Interface (HGSMI). | |
| * Host/Guest shared part. | |
| * Channel identifiers. | |
| */ | |
| /* | |
| * Copyright (C) 2006-2015 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__*/ |