VirtualBox

source: vbox/trunk/src/VBox/Devices/Bus/MsiCommon.h@ 32935

Last change on this file since 32935 was 32935, checked in by vboxsync, 14 years ago

PDM, VMM, PCI: reworked MSI API: now MSIs delivered via IOAPIC API, not with MMIO access, LSI logic now can work in MSI mode

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.4 KB
Line 
1/* $Id: MsiCommon.h 32935 2010-10-06 09:28:42Z vboxsync $ */
2/** @file
3 * Header for MSI support routines.
4 */
5/*
6 * Copyright (C) 2010 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 */
16
17/* Maybe belongs to types.h */
18#ifdef IN_RING3
19typedef PCPDMPCIHLPR3 PCPDMPCIHLP;
20#endif
21
22#ifdef IN_RING0
23typedef PCPDMPCIHLPR0 PCPDMPCIHLP;
24#endif
25
26#ifdef IN_RC
27typedef PCPDMPCIHLPRC PCPDMPCIHLP;
28#endif
29
30/* Init MSI support in the device. */
31int MsiInit(PPCIDEVICE pDev, PPDMMSIREG pMsiReg);
32
33/* If MSI is enabled, so that MSINotify() shall be used for notifications. */
34bool MsiIsEnabled(PPCIDEVICE pDev);
35
36/* Device notification (aka interrupt). */
37void MsiNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector);
38
39/* PCI config space accessors for MSI registers */
40void MsiPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, uint32_t u32Address, uint32_t val, unsigned len);
41uint32_t MsiPciConfigRead (PPDMDEVINS pDevIns, PPCIDEVICE pDev, uint32_t u32Address, unsigned len);
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