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/* $Id: VBoxDrvTool.h $ */
/** @file
* Windows Driver R0 Tooling.
*/
/*
* Copyright (C) 2011-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef VBOX_INCLUDED_SRC_VBoxUSB_win_cmn_VBoxDrvTool_h
#define VBOX_INCLUDED_SRC_VBoxUSB_win_cmn_VBoxDrvTool_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#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 /* !VBOX_INCLUDED_SRC_VBoxUSB_win_cmn_VBoxDrvTool_h */
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