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/* $Id$ */
/** @file
* Windows Driver R0 Tooling.
*/
/*
* Copyright (C) 2011-2016 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ___VBoxDrvTool_win_h___
#define ___VBoxDrvTool_win_h___
#include <VBox/cdefs.h>
#include <iprt/stdint.h>
#include <iprt/assert.h>
#include <iprt/asm.h>
#include <iprt/nt/wdm.h>
RT_C_DECLS_BEGIN
#if 0
/* enable this in case we include this in a dll*/
# ifdef IN_VBOXDRVTOOL
# define VBOXDRVTOOL_DECL(a_Type) DECLEXPORT(a_Type)
# else
# define VBOXDRVTOOL_DECL(a_Type) DECLIMPORT(a_Type)
# endif
#else
/*enable this in case we include this in a static lib*/
# define VBOXDRVTOOL_DECL(a_Type) a_Type VBOXCALL
#endif
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegOpenKeyU(OUT PHANDLE phKey, IN PUNICODE_STRING pName, IN ACCESS_MASK fAccess);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegOpenKey(OUT PHANDLE phKey, IN PWCHAR pName, IN ACCESS_MASK fAccess);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegCloseKey(IN HANDLE hKey);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegQueryValueDword(IN HANDLE hKey, IN PWCHAR pName, OUT PULONG pDword);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolRegSetValueDword(IN HANDLE hKey, IN PWCHAR pName, OUT ULONG val);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostAsync(PDEVICE_OBJECT pDevObj, PIRP pIrp, PKEVENT pEvent);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostSync(PDEVICE_OBJECT pDevObj, PIRP pIrp);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolIoPostSyncWithTimeout(PDEVICE_OBJECT pDevObj, PIRP pIrp, ULONG dwTimeoutMs);
DECLINLINE(NTSTATUS) VBoxDrvToolIoComplete(PIRP pIrp, NTSTATUS Status, ULONG ulInfo)
{
pIrp->IoStatus.Status = Status;
pIrp->IoStatus.Information = ulInfo;
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
return Status;
}
typedef struct VBOXDRVTOOL_REF
{
volatile uint32_t cRefs;
} VBOXDRVTOOL_REF, *PVBOXDRVTOOL_REF;
DECLINLINE(void) VBoxDrvToolRefInit(PVBOXDRVTOOL_REF pRef)
{
pRef->cRefs = 1;
}
DECLINLINE(uint32_t) VBoxDrvToolRefRetain(PVBOXDRVTOOL_REF pRef)
{
Assert(pRef->cRefs);
Assert(pRef->cRefs < UINT32_MAX / 2);
return ASMAtomicIncU32(&pRef->cRefs);
}
DECLINLINE(uint32_t) VBoxDrvToolRefRelease(PVBOXDRVTOOL_REF pRef)
{
uint32_t cRefs = ASMAtomicDecU32(&pRef->cRefs);
Assert(cRefs < UINT32_MAX/2);
return cRefs;
}
VBOXDRVTOOL_DECL(VOID) VBoxDrvToolRefWaitEqual(PVBOXDRVTOOL_REF pRef, uint32_t u32Val);
VBOXDRVTOOL_DECL(NTSTATUS) VBoxDrvToolStrCopy(PUNICODE_STRING pDst, CONST PUNICODE_STRING pSrc);
VBOXDRVTOOL_DECL(VOID) VBoxDrvToolStrFree(PUNICODE_STRING pStr);
RT_C_DECLS_END
#endif
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