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/* $Id: MsiCommon.h $ */
/** @file
* Header for MSI/MSI-X support routines.
*/
/*
* 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.
*/
/* Maybe belongs to types.h */
#ifdef IN_RING3
typedef PCPDMPCIHLPR3 PCPDMPCIHLP;
#endif
#ifdef IN_RING0
typedef PCPDMPCIHLPR0 PCPDMPCIHLP;
#endif
#ifdef IN_RC
typedef PCPDMPCIHLPRC PCPDMPCIHLP;
#endif
#ifdef IN_RING3
/* Init MSI support in the device. */
int MsiInit(PPCIDEVICE pDev, PPDMMSIREG pMsiReg);
#endif
/* If MSI is enabled, so that MSINotify() shall be used for notifications. */
bool MsiIsEnabled(PPCIDEVICE pDev);
/* Device notification (aka interrupt). */
void MsiNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc);
#ifdef IN_RING3
/* PCI config space accessors for MSI registers */
void MsiPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, uint32_t u32Address, uint32_t val, unsigned len);
uint32_t MsiPciConfigRead (PPDMDEVINS pDevIns, PPCIDEVICE pDev, uint32_t u32Address, unsigned len);
#endif
#ifdef IN_RING3
/* Init MSI-X support in the device. */
int MsixInit(PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, PPDMMSIREG pMsiReg);
#endif
/* If MSI-X is enabled, so that MSIXNotify() shall be used for notifications. */
bool MsixIsEnabled(PPCIDEVICE pDev);
/* Device notification (aka interrupt). */
void MsixNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc);
#ifdef IN_RING3
/* PCI config space accessors for MSI-X */
void MsixPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, uint32_t u32Address, uint32_t val, unsigned len);
uint32_t MsixPciConfigRead (PPDMDEVINS pDevIns, PPCIDEVICE pDev, uint32_t u32Address, unsigned len);
#endif
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