| 1 | /** @file
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| 2 | *
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| 3 | * VBoxGuest -- VirtualBox Win 2000/XP guest video driver
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| 4 | *
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| 5 | * Display driver entry points.
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| 6 | *
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| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | */
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| 21 |
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| 22 | #ifndef __VBOXIOCTL__H
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| 23 | #define __VBOXIOCTL__H
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| 24 |
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| 25 | #include <VBox/VBoxGuest.h>
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| 26 |
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| 27 | #ifdef VBOX_WITH_HGSMI
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| 28 | #include <VBox/HGSMI/HGSMI.h>
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| 29 | #endif /* VBOX_WITH_HGSMI */
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| 30 |
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| 31 | #define IOCTL_VIDEO_INTERPRET_DISPLAY_MEMORY \
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| 32 | CTL_CODE(FILE_DEVICE_VIDEO, 0x420, METHOD_BUFFERED, FILE_ANY_ACCESS)
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| 33 |
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| 34 | #define IOCTL_VIDEO_QUERY_DISPLAY_INFO \
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| 35 | CTL_CODE(FILE_DEVICE_VIDEO, 0x421, METHOD_BUFFERED, FILE_ANY_ACCESS)
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| 36 |
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| 37 | /** Called by the display driver when it is ready to
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| 38 | * switch to VBVA operation mode.
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| 39 | * Successful return means that VBVA can be used and
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| 40 | * output buffer contains VBVAENABLERESULT data.
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| 41 | * An error means that VBVA can not be used
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| 42 | * (disabled or not supported by the host).
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| 43 | */
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| 44 | #define IOCTL_VIDEO_VBVA_ENABLE \
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| 45 | CTL_CODE(FILE_DEVICE_VIDEO, 0x400, METHOD_BUFFERED, FILE_ANY_ACCESS)
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| 46 |
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| 47 | #ifdef VBOX_WITH_HGSMI
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| 48 | #define IOCTL_VIDEO_QUERY_HGSMI_INFO \
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| 49 | CTL_CODE(FILE_DEVICE_VIDEO, 0x430, METHOD_BUFFERED, FILE_ANY_ACCESS)
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| 50 | #endif /* VBOX_WITH_HGSMI */
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| 51 |
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| 52 | #pragma pack(1)
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| 53 | /**
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| 54 | * Data returned by IOCTL_VIDEO_VBVA_ENABLE.
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| 55 | *
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| 56 | */
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| 57 | typedef struct _VBVAENABLERESULT
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| 58 | {
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| 59 | /** Pointer to VBVAMemory part of VMMDev memory region. */
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| 60 | VBVAMEMORY *pVbvaMemory;
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| 61 |
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| 62 | /** Called to force the host to process VBVA memory,
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| 63 | * when there is no more free space in VBVA memory.
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| 64 | * Normally this never happens.
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| 65 | *
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| 66 | * The other purpose is to perform a synchronous command.
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| 67 | * But the goal is to have no such commands at all.
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| 68 | */
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| 69 | DECLR0CALLBACKMEMBER(void, pfnFlush, (void *pvFlush));
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| 70 |
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| 71 | /** Pointer required by the pfnFlush callback. */
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| 72 | void *pvFlush;
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| 73 |
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| 74 | } VBVAENABLERESULT;
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| 75 |
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| 76 | /**
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| 77 | * Data returned by IOCTL_VIDEO_QUERY_DISPLAY_INFO.
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| 78 | *
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| 79 | */
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| 80 | typedef struct _QUERYDISPLAYINFORESULT
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| 81 | {
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| 82 | /* Device index (0 for primary) */
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| 83 | ULONG iDevice;
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| 84 |
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| 85 | /* Size of the display information area. */
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| 86 | uint32_t u32DisplayInfoSize;
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| 87 | } QUERYDISPLAYINFORESULT;
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| 88 |
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| 89 | #ifdef VBOX_WITH_HGSMI
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| 90 | /**
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| 91 | * Data returned by IOCTL_VIDEO_QUERY_HGSMI_INFO.
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| 92 | *
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| 93 | */
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| 94 | typedef struct _QUERYHGSMIRESULT
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| 95 | {
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| 96 | /* Device index (0 for primary) */
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| 97 | ULONG iDevice;
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| 98 |
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| 99 | /* Flags. Currently none are defined and the field must be initialized to 0. */
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| 100 | ULONG ulFlags;
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| 101 |
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| 102 | /* Describes VRAM chunk for this display device. */
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| 103 | HGSMIAREA areaDisplay;
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| 104 |
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| 105 | } QUERYHGSMIRESULT;
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| 106 | #endif /* VBOX_WITH_HGSMI */
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| 107 | #pragma pack()
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| 108 |
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| 109 | #endif /* __VBOXIOCTL__H */
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