| 1 | /* $Id: MsiCommon.h 69124 2017-10-17 19:17:23Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Header for MSI/MSI-X support routines.
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| 4 | */
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| 5 | /*
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| 6 | * Copyright (C) 2010-2017 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | */
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| 16 |
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| 17 | /* Maybe belongs to types.h */
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| 18 | #ifdef IN_RING3
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| 19 | typedef PCPDMPCIHLPR3 PCPDMPCIHLP;
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| 20 | #endif
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| 21 |
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| 22 | #ifdef IN_RING0
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| 23 | typedef PCPDMPCIHLPR0 PCPDMPCIHLP;
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| 24 | #endif
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| 25 |
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| 26 | #ifdef IN_RC
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| 27 | typedef PCPDMPCIHLPRC PCPDMPCIHLP;
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| 28 | #endif
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| 29 |
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| 30 | #ifdef IN_RING3
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| 31 | /* Init MSI support in the device. */
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| 32 | int MsiInit(PPDMPCIDEV pDev, PPDMMSIREG pMsiReg);
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| 33 | #endif
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| 34 |
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| 35 | /* If MSI is enabled, so that MSINotify() shall be used for notifications. */
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| 36 | bool MsiIsEnabled(PPDMPCIDEV pDev);
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| 37 |
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| 38 | /* Device notification (aka interrupt). */
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| 39 | void MsiNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPDMPCIDEV pDev, int iVector, int iLevel, uint32_t uTagSrc);
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| 40 |
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| 41 | #ifdef IN_RING3
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| 42 | /* PCI config space accessors for MSI registers */
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| 43 | void MsiPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPDMPCIDEV pDev, uint32_t u32Address, uint32_t val, unsigned len);
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| 44 | #endif
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| 45 |
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| 46 | #ifdef IN_RING3
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| 47 | /* Init MSI-X support in the device. */
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| 48 | int MsixInit(PCPDMPCIHLP pPciHlp, PPDMPCIDEV pDev, PPDMMSIREG pMsiReg);
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| 49 | #endif
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| 50 |
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| 51 | /* If MSI-X is enabled, so that MSIXNotify() shall be used for notifications. */
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| 52 | bool MsixIsEnabled(PPDMPCIDEV pDev);
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| 53 |
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| 54 | /* Device notification (aka interrupt). */
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| 55 | void MsixNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPDMPCIDEV pDev, int iVector, int iLevel, uint32_t uTagSrc);
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| 56 |
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| 57 | #ifdef IN_RING3
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| 58 | /* PCI config space accessors for MSI-X */
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| 59 | void MsixPciConfigWrite(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPDMPCIDEV pDev, uint32_t u32Address, uint32_t val, unsigned len);
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| 60 | #endif
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