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/* $Id: PDMInline.h $ */
/** @file
* PDM - Internal header file containing the inlined functions.
*/
/*
* Copyright (C) 2012-2023 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
*/
#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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