| 1 | /* $Revision: 40207 $ */
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| 2 | /** @file
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| 3 | * VBoxGuestLibR0 - System dependent helpers internal header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Oracle Corporation
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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 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef __VBoxGuestLib_SysHlp_h
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| 28 | #define __VBoxGuestLib_SysHlp_h
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| 29 |
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| 30 | #ifdef RT_OS_WINDOWS
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| 31 | # undef PAGE_SIZE
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| 32 | # undef PAGE_SHIFT
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| 33 | # if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
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| 34 | # include <iprt/asm.h>
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| 35 | # define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
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| 36 | # define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
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| 37 | # define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
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| 38 | # define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
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| 39 | # pragma warning(disable : 4163)
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| 40 | RT_C_DECLS_BEGIN
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| 41 | # include <ntddk.h>
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| 42 | RT_C_DECLS_END
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| 43 | # pragma warning(default : 4163)
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| 44 | # undef _InterlockedExchange
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| 45 | # undef _InterlockedExchangeAdd
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| 46 | # undef _InterlockedCompareExchange
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| 47 | # undef _InterlockedAddLargeStatistic
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| 48 | # else
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| 49 | RT_C_DECLS_BEGIN
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| 50 | # include <ntddk.h>
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| 51 | RT_C_DECLS_END
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| 52 | # endif
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| 53 | /* XP DDK #defines ExFreePool to ExFreePoolWithTag. The latter does not exist on NT4, so...
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| 54 | * The same for ExAllocatePool.
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| 55 | */
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| 56 | #undef ExAllocatePool
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| 57 | #undef ExFreePool
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| 58 | #endif
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| 59 |
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| 60 | typedef struct _VBGLDRIVER
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| 61 | {
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| 62 | #ifdef RT_OS_WINDOWS
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| 63 | PDEVICE_OBJECT pDeviceObject;
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| 64 | PFILE_OBJECT pFileObject;
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| 65 | #elif defined (RT_OS_OS2)
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| 66 | uint32_t u32Session; /**< just for sanity checking. */
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| 67 | #else /* PORTME */
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| 68 | void *pvOpaque;
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| 69 | #endif
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| 70 | } VBGLDRIVER;
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| 71 |
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| 72 | int vbglLockLinear (void **ppvCtx, void *pv, uint32_t u32Size, bool fWriteAccess, uint32_t fFlags);
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| 73 | void vbglUnlockLinear (void *pvCtx, void *pv, uint32_t u32Size);
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| 74 |
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| 75 |
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| 76 | #ifndef VBGL_VBOXGUEST
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| 77 |
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| 78 | /**
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| 79 | * Open VBoxGuest driver.
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| 80 | *
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| 81 | * @param pDriver Pointer to the driver structure.
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| 82 | *
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| 83 | * @return VBox error code
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| 84 | */
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| 85 | int vbglDriverOpen (VBGLDRIVER *pDriver);
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| 86 |
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| 87 | /**
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| 88 | * Call VBoxGuest driver.
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| 89 | *
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| 90 | * @param pDriver Pointer to the driver structure.
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| 91 | * @param u32Function Function code.
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| 92 | * @param pvData Pointer to supplied in/out data buffer.
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| 93 | * @param cbData Size of data buffer.
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| 94 | *
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| 95 | * @return VBox error code
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| 96 | */
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| 97 | int vbglDriverIOCtl (VBGLDRIVER *pDriver, uint32_t u32Function, void *pvData, uint32_t cbData);
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| 98 |
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| 99 | /**
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| 100 | * Close VBoxGuest driver.
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| 101 | *
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| 102 | * @param pDriver Pointer to the driver structure.
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| 103 | *
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| 104 | * @return VBox error code
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| 105 | */
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| 106 | void vbglDriverClose (VBGLDRIVER *pDriver);
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| 107 |
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| 108 | #endif
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| 109 |
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| 110 | #endif /* !__VBoxGuestLib_SysHlp_h */
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| 111 |
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