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/* $Id: IOMR0.cpp $ */
/** @file
* IOM - Host Context Ring 0.
*/
/*
* Copyright (C) 2006-2023 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>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_IOM
#include <VBox/vmm/iom.h>
#include <VBox/vmm/pgm.h>
#include "IOMInternal.h"
#include <VBox/vmm/vmcc.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/assertcompile.h>
#include <iprt/errcore.h>
/**
* Initializes the per-VM data for the IOM.
*
* This is called from under the GVMM lock, so it should only initialize the
* data so IOMR0CleanupVM and others will work smoothly.
*
* @param pGVM Pointer to the global VM structure.
*/
VMMR0_INT_DECL(void) IOMR0InitPerVMData(PGVM pGVM)
{
AssertCompile(sizeof(pGVM->iom.s) <= sizeof(pGVM->iom.padding));
AssertCompile(sizeof(pGVM->iomr0.s) <= sizeof(pGVM->iomr0.padding));
iomR0IoPortInitPerVMData(pGVM);
iomR0MmioInitPerVMData(pGVM);
}
/**
* Called during ring-0 init (vmmR0InitVM).
*
* @returns VBox status code.
* @param pGVM Pointer to the global VM structure.
*/
VMMR0_INT_DECL(int) IOMR0InitVM(PGVM pGVM)
{
int rc = PGMR0HandlerPhysicalTypeSetUpContext(pGVM, PGMPHYSHANDLERKIND_MMIO, 0 /*fFlags*/,
iomMmioHandlerNew, iomMmioPfHandlerNew,
"MMIO", pGVM->iom.s.hNewMmioHandlerType);
AssertRCReturn(rc, rc);
return VINF_SUCCESS;
}
/**
* Cleans up any loose ends before the GVM structure is destroyed.
*/
VMMR0_INT_DECL(void) IOMR0CleanupVM(PGVM pGVM)
{
iomR0IoPortCleanupVM(pGVM);
iomR0MmioCleanupVM(pGVM);
}
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