PDMR0Driver.cpp revision c7814cf6e1240a519cbec0441e033d0e2470ed00
/* $Id$ */
/** @file
* PDM - Pluggable Device and Driver Manager, R0 Driver parts.
*/
/*
* Copyright (C) 2010-2012 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_PDM_DRIVER
#include "PDMInternal.h"
#include <VBox/vmm/pdm.h>
#include <VBox/vmm/vm.h>
#include <VBox/log.h>
#include <VBox/err.h>
#include <iprt/assert.h>
/**
* PDMDrvHlpCallR0 helper.
*
* @returns See PFNPDMDRVREQHANDLERR0.
* @param pVM Pointer to the VM (for validation).
* @param pReq Pointer to the request buffer.
*/
VMMR0_INT_DECL(int) PDMR0DriverCallReqHandler(PVM pVM, PPDMDRIVERCALLREQHANDLERREQ pReq)
{
/*
* Validate input and make the call.
*/
AssertPtrReturn(pVM, VERR_INVALID_POINTER);
AssertPtrReturn(pReq, VERR_INVALID_POINTER);
AssertMsgReturn(pReq->Hdr.cbReq == sizeof(*pReq), ("%#x != %#x\n", pReq->Hdr.cbReq, sizeof(*pReq)), VERR_INVALID_PARAMETER);
PPDMDRVINS pDrvIns = pReq->pDrvInsR0;
AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
AssertReturn(pDrvIns->Internal.s.pVMR0 == pVM, VERR_INVALID_PARAMETER);
PFNPDMDRVREQHANDLERR0 pfnReqHandlerR0 = pDrvIns->Internal.s.pfnReqHandlerR0;
AssertPtrReturn(pfnReqHandlerR0, VERR_INVALID_POINTER);
return pfnReqHandlerR0(pDrvIns, pReq->uOperation, pReq->u64Arg);
}