| 1 | /** @file
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| 2 | *
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| 3 | * VBoxGuestLib - A support library for VirtualBox guest additions:
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| 4 | * System dependent helpers internal header
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 innotek GmbH
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License as published by the Free Software Foundation,
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| 14 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 15 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 16 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef __SYSHLP__H
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| 20 | #define __SYSHLP__H
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| 21 |
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| 22 | #ifdef RT_OS_WINDOWS
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| 23 | # if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
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| 24 | # include <iprt/asm.h>
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| 25 | # define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
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| 26 | # define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
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| 27 | # define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
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| 28 | # define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
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| 29 | __BEGIN_DECLS
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| 30 | # include <ntddk.h>
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| 31 | __END_DECLS
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| 32 | # undef _InterlockedExchange
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| 33 | # undef _InterlockedExchangeAdd
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| 34 | # undef _InterlockedCompareExchange
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| 35 | # undef _InterlockedAddLargeStatistic
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| 36 | # else
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| 37 | __BEGIN_DECLS
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| 38 | # include <ntddk.h>
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| 39 | __END_DECLS
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| 40 | # endif
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| 41 | /* XP DDK #defines ExFreePool to ExFreePoolWithTag. The latter does not exist on NT4, so... */
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| 42 | #undef ExFreePool
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| 43 | #endif
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| 44 |
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| 45 | typedef struct _VBGLDRIVER
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| 46 | {
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| 47 | #ifdef RT_OS_WINDOWS
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| 48 | PDEVICE_OBJECT pDeviceObject;
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| 49 | PFILE_OBJECT pFileObject;
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| 50 | #elif defined (RT_OS_LINUX)
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| 51 | void *opaque;
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| 52 | #elif defined (RT_OS_OS2)
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| 53 | uint32_t u32Session; /**< just for sanity checking. */
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| 54 | #else
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| 55 | # error "Port me"
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| 56 | #endif
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| 57 | } VBGLDRIVER;
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| 58 |
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| 59 | int vbglLockLinear (void **ppvCtx, void *pv, uint32_t u32Size, bool fWriteAccess);
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| 60 | void vbglUnlockLinear (void *pvCtx, void *pv, uint32_t u32Size);
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| 61 |
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| 62 |
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| 63 | #ifndef VBGL_VBOXGUEST
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| 64 |
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| 65 | /**
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| 66 | * Open VBoxGuest driver.
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| 67 | *
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| 68 | * @param pDriver Pointer to the driver structure.
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| 69 | *
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| 70 | * @return VBox error code
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| 71 | */
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| 72 | int vbglDriverOpen (VBGLDRIVER *pDriver);
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| 73 |
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| 74 | /**
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| 75 | * Call VBoxGuest driver.
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| 76 | *
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| 77 | * @param pDriver Pointer to the driver structure.
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| 78 | * @param u32Function Function code.
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| 79 | * @param pvData Pointer to supplied in/out data buffer.
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| 80 | * @param cbData Size of data buffer.
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| 81 | *
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| 82 | * @return VBox error code
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| 83 | */
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| 84 | int vbglDriverIOCtl (VBGLDRIVER *pDriver, uint32_t u32Function, void *pvData, uint32_t cbData);
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| 85 |
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| 86 | /**
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| 87 | * Close VBoxGuest driver.
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| 88 | *
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| 89 | * @param pDriver Pointer to the driver structure.
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| 90 | *
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| 91 | * @return VBox error code
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| 92 | */
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| 93 | void vbglDriverClose (VBGLDRIVER *pDriver);
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| 94 |
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| 95 | #endif
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| 96 |
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| 97 | #endif /* __SYSHLP__H */
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