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/* $Id: PDMInline.h $ */
/** @file
* PDM - Internal header file containing the inlined functions.
*/
/*
* Copyright (C) 2012-2019 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 VMM_INCLUDED_SRC_include_PDMInline_h
#define VMM_INCLUDED_SRC_include_PDMInline_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/**
* Calculates the next IRQ tag.
*
* @returns IRQ tag.
* @param pVM The cross context VM structure.
* @param idTracer The ID of the source device.
*/
DECLINLINE(uint32_t) pdmCalcIrqTag(PVM pVM, uint32_t idTracer)
{
uint32_t uTag = (pVM->pdm.s.uIrqTag + 1) & 0x3ff; /* {0..1023} */
if (!uTag)
uTag++;
pVM->pdm.s.uIrqTag = uTag |= (idTracer << 16);
return uTag;
}
#endif /* !VMM_INCLUDED_SRC_include_PDMInline_h */
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