| 1 | /** @file
|
|---|
| 2 | *
|
|---|
| 3 | * VBoxGuest -- VirtualBox Win 2000/XP guest video driver
|
|---|
| 4 | *
|
|---|
| 5 | * Display driver entry points.
|
|---|
| 6 | *
|
|---|
| 7 | * Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License as published by the Free Software Foundation,
|
|---|
| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #ifndef __VBOXIOCTL__H
|
|---|
| 19 | #define __VBOXIOCTL__H
|
|---|
| 20 |
|
|---|
| 21 | #include <VBox/VBoxGuest.h>
|
|---|
| 22 |
|
|---|
| 23 | #define IOCTL_VIDEO_INTERPRET_DISPLAY_MEMORY \
|
|---|
| 24 | CTL_CODE(FILE_DEVICE_VIDEO, 0x420, METHOD_BUFFERED, FILE_ANY_ACCESS)
|
|---|
| 25 |
|
|---|
| 26 | #define IOCTL_VIDEO_QUERY_DISPLAY_INFO \
|
|---|
| 27 | CTL_CODE(FILE_DEVICE_VIDEO, 0x421, METHOD_BUFFERED, FILE_ANY_ACCESS)
|
|---|
| 28 |
|
|---|
| 29 | /** Called by the display driver when it is ready to
|
|---|
| 30 | * switch to VBVA operation mode.
|
|---|
| 31 | * Successful return means that VBVA can be used and
|
|---|
| 32 | * output buffer contains VBVAENABLERESULT data.
|
|---|
| 33 | * An error means that VBVA can not be used
|
|---|
| 34 | * (disabled or not supported by the host).
|
|---|
| 35 | */
|
|---|
| 36 | #define IOCTL_VIDEO_VBVA_ENABLE \
|
|---|
| 37 | CTL_CODE(FILE_DEVICE_VIDEO, 0x400, METHOD_BUFFERED, FILE_ANY_ACCESS)
|
|---|
| 38 |
|
|---|
| 39 | #pragma pack(1)
|
|---|
| 40 | /**
|
|---|
| 41 | * Data returned by IOCTL_VIDEO_VBVA_ENABLE.
|
|---|
| 42 | *
|
|---|
| 43 | */
|
|---|
| 44 | typedef struct _VBVAENABLERESULT
|
|---|
| 45 | {
|
|---|
| 46 | /** Pointer to VBVAMemory part of VMMDev memory region. */
|
|---|
| 47 | VBVAMEMORY *pVbvaMemory;
|
|---|
| 48 |
|
|---|
| 49 | /** Called to force the host to process VBVA memory,
|
|---|
| 50 | * when there is no more free space in VBVA memory.
|
|---|
| 51 | * Normally this never happens.
|
|---|
| 52 | *
|
|---|
| 53 | * The other purpose is to perform a synchronous command.
|
|---|
| 54 | * But the goal is to have no such commands at all.
|
|---|
| 55 | */
|
|---|
| 56 | DECLCALLBACKMEMBER(void, pfnFlush) (void *pvFlush);
|
|---|
| 57 |
|
|---|
| 58 | /** Pointer required by the pfnFlush callback. */
|
|---|
| 59 | void *pvFlush;
|
|---|
| 60 |
|
|---|
| 61 | } VBVAENABLERESULT;
|
|---|
| 62 |
|
|---|
| 63 | /**
|
|---|
| 64 | * Data returned by IOCTL_VIDEO_QUERY_DISPLAY_INFO.
|
|---|
| 65 | *
|
|---|
| 66 | */
|
|---|
| 67 | typedef struct _QUERYDISPLAYINFORESULT
|
|---|
| 68 | {
|
|---|
| 69 | /* Device index (0 for primary) */
|
|---|
| 70 | ULONG iDevice;
|
|---|
| 71 |
|
|---|
| 72 | /* Size of the display information area. */
|
|---|
| 73 | uint32_t u32DisplayInfoSize;
|
|---|
| 74 | } QUERYDISPLAYINFORESULT;
|
|---|
| 75 | #pragma pack()
|
|---|
| 76 |
|
|---|
| 77 | #endif /* __VBOXIOCTL__H */
|
|---|
