VirtualBox

source: vbox/trunk/src/VBox/Devices/Bus/MsiCommon.h@ 54590

Last change on this file since 54590 was 44529, checked in by vboxsync, 12 years ago

header (C) fixes

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.2 KB
Line 
1/* $Id: MsiCommon.h 44529 2013-02-04 15:54:15Z vboxsync $ */
2/** @file
3 * Header for MSI/MSI-X support routines.
4 */
5/*
6 * Copyright (C) 2010-2012 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#ifdef IN_RING3
31/* Init MSI support in the device. */
32int MsiInit(PPCIDEVICE pDev, PPDMMSIREG pMsiReg);
33#endif
34
35/* If MSI is enabled, so that MSINotify() shall be used for notifications. */
36bool MsiIsEnabled(PPCIDEVICE pDev);
37
38/* Device notification (aka interrupt). */
39void MsiNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc);
40
41#ifdef IN_RING3
42/* PCI config space accessors for MSI registers */
43void MsiPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, uint32_t u32Address, uint32_t val, unsigned len);
44uint32_t MsiPciConfigRead (PPDMDEVINS pDevIns, PPCIDEVICE pDev, uint32_t u32Address, unsigned len);
45#endif
46
47#ifdef IN_RING3
48/* Init MSI-X support in the device. */
49int MsixInit(PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, PPDMMSIREG pMsiReg);
50#endif
51
52/* If MSI-X is enabled, so that MSIXNotify() shall be used for notifications. */
53bool MsixIsEnabled(PPCIDEVICE pDev);
54
55/* Device notification (aka interrupt). */
56void MsixNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc);
57
58#ifdef IN_RING3
59/* PCI config space accessors for MSI-X */
60void MsixPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, uint32_t u32Address, uint32_t val, unsigned len);
61uint32_t MsixPciConfigRead (PPDMDEVINS pDevIns, PPCIDEVICE pDev, uint32_t u32Address, unsigned len);
62#endif
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