| 1 | /* $Id: VBoxDrvTool.h 37047 2011-05-12 10:29:26Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Windows Driver R0 Tooling.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011 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 | #ifndef ___VBoxDrvTool_win_h___
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| 18 | #define ___VBoxDrvTool_win_h___
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| 19 | #include <VBox/cdefs.h>
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| 20 | #include <iprt/stdint.h>
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| 21 | #include <iprt/assert.h>
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| 22 | #include <iprt/asm.h>
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| 23 |
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| 24 | RT_C_DECLS_BEGIN
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| 25 | #if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
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| 26 | # define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
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| 27 | # define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
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| 28 | # define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
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| 29 | # define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
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| 30 | # pragma warning(disable : 4163)
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| 31 | #endif
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| 32 | #if (_MSC_VER >= 1600) && !defined(VBOX_WITH_PATCHED_DDK)
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| 33 | # define _interlockedbittestandset _interlockedbittestandset_StillStupidDdkVsCompilerCrap
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| 34 | # define _interlockedbittestandreset _interlockedbittestandreset_StillStupidDdkVsCompilerCrap
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| 35 | # define _interlockedbittestandset64 _interlockedbittestandset64_StillStupidDdkVsCompilerCrap
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| 36 | # define _interlockedbittestandreset64 _interlockedbittestandreset64_StillStupidDdkVsCompilerCrap
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| 37 | # pragma warning(disable : 4163)
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| 38 | #endif
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| 39 |
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| 40 | #include <wdm.h>
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| 41 |
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| 42 | #if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
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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 | #endif
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| 49 | #if (_MSC_VER >= 1600) && !defined(VBOX_WITH_PATCHED_DDK)
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| 50 | # pragma warning(default : 4163)
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| 51 | # undef _interlockedbittestandset
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| 52 | # undef _interlockedbittestandreset
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| 53 | # undef _interlockedbittestandset64
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| 54 | # undef _interlockedbittestandreset64
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| 55 | #endif
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| 56 |
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| 57 |
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| 58 | #if 0
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| 59 | /* enable this in case we include this in a dll*/
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| 60 | # ifdef IN_VBOXDRVTOOL
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| 61 | # define VBOXDRVTOOL_DECL(a_Type) DECLEXPORT(a_Type)
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| 62 | # else
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| 63 | # define VBOXDRVTOOL_DECL(a_Type) DECLIMPORT(a_Type)
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| 64 | # endif
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| 65 | #else
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| 66 | /*enable this in case we include this in a static lib*/
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| 67 | # define VBOXDRVTOOL_DECL(a_Type) a_Type VBOXCALL
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| 68 | #endif
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| 69 |
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| 70 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegOpenKeyU(OUT PHANDLE phKey, IN PUNICODE_STRING pName, IN ACCESS_MASK fAccess);
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| 71 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegOpenKey(OUT PHANDLE phKey, IN PWCHAR pName, IN ACCESS_MASK fAccess);
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| 72 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegCloseKey(IN HANDLE hKey);
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| 73 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegQueryValueDword(IN HANDLE hKey, IN PWCHAR pName, OUT PULONG pDword);
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| 74 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegSetValueDword(IN HANDLE hKey, IN PWCHAR pName, OUT ULONG val);
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| 75 |
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| 76 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostAsync(PDEVICE_OBJECT pDevObj, PIRP pIrp, PKEVENT pEvent);
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| 77 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostSync(PDEVICE_OBJECT pDevObj, PIRP pIrp);
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| 78 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostSyncWithTimeout(PDEVICE_OBJECT pDevObj, PIRP pIrp, ULONG dwTimeoutMs);
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| 79 | DECLINLINE(NTSTATUS) VBoxDrvToolIoComplete(PIRP pIrp, NTSTATUS Status, ULONG ulInfo)
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| 80 | {
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| 81 | pIrp->IoStatus.Status = Status;
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| 82 | pIrp->IoStatus.Information = ulInfo;
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| 83 | IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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| 84 | return Status;
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| 85 | }
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| 86 |
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| 87 | typedef struct VBOXDRVTOOL_REF
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| 88 | {
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| 89 | volatile uint32_t cRefs;
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| 90 | } VBOXDRVTOOL_REF, *PVBOXDRVTOOL_REF;
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| 91 |
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| 92 | DECLINLINE(void) VBoxDrvToolRefInit(PVBOXDRVTOOL_REF pRef)
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| 93 | {
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| 94 | pRef->cRefs = 1;
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| 95 | }
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| 96 |
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| 97 | DECLINLINE(uint32_t) VBoxDrvToolRefRetain(PVBOXDRVTOOL_REF pRef)
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| 98 | {
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| 99 | Assert(pRef->cRefs);
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| 100 | Assert(pRef->cRefs < UINT32_MAX / 2);
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| 101 | return ASMAtomicIncU32(&pRef->cRefs);
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| 102 | }
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| 103 |
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| 104 | DECLINLINE(uint32_t) VBoxDrvToolRefRelease(PVBOXDRVTOOL_REF pRef)
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| 105 | {
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| 106 | uint32_t cRefs = ASMAtomicDecU32(&pRef->cRefs);
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| 107 | Assert(cRefs < UINT32_MAX/2);
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| 108 | return cRefs;
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| 109 | }
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| 110 |
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| 111 | VBOXDRVTOOL_DECL(VOID) VBoxDrvToolRefWaitEqual(PVBOXDRVTOOL_REF pRef, uint32_t u32Val);
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| 112 |
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| 113 | VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolStrCopy(PUNICODE_STRING pDst, CONST PUNICODE_STRING pSrc);
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| 114 | VBOXDRVTOOL_DECL(VOID) VBoxDrvToolStrFree(PUNICODE_STRING pStr);
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| 115 |
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| 116 | RT_C_DECLS_END
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| 117 |
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| 118 | #endif /* #ifndef ___VBoxDrvTool_win_h___ */
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