| 1 | /** @file
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| 2 | * PCI - The PCI Controller And Devices.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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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 as published by the Free Software Foundation,
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| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * If you received this file as part of a commercial VirtualBox
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| 17 | * distribution, then only the terms of your commercial VirtualBox
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| 18 | * license agreement apply instead of the previous paragraph.
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| 19 | */
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| 20 |
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| 21 |
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| 22 | #ifndef __VBox_pci_h__
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| 23 | #define __VBox_pci_h__
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| 24 |
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| 25 |
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| 26 | #include <VBox/cdefs.h>
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| 27 | #include <VBox/types.h>
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| 28 |
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| 29 | /** @defgroup grp_pci PCI - The PCI Controller.
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /** Pointer to a PCI device. */
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| 34 | typedef struct PCIDevice *PPCIDEVICE;
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| 35 |
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| 36 |
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| 37 | /**
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| 38 | * PCI configuration word 4 (command) and word 6 (status).
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| 39 | */
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| 40 | typedef enum PCICONFIGCOMMAND
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| 41 | {
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| 42 | /** Supports/uses memory accesses. */
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| 43 | PCI_COMMAND_IOACCESS = 0x0001,
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| 44 | PCI_COMMAND_MEMACCESS = 0x0002,
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| 45 | PCI_COMMAND_BUSMASTER = 0x0004
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| 46 | } PCICONFIGCOMMAND;
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| 47 |
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| 48 |
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| 49 | /**
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| 50 | * PCI Address space specification.
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| 51 | * This is used when registering a I/O region.
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| 52 | */
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| 53 | typedef enum PCIADDRESSSPACE
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| 54 | {
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| 55 | /** Memory. */
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| 56 | PCI_ADDRESS_SPACE_MEM = 0x00,
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| 57 | /** I/O space. */
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| 58 | PCI_ADDRESS_SPACE_IO = 0x01,
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| 59 | /** Prefetch memory. */
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| 60 | PCI_ADDRESS_SPACE_MEM_PREFETCH = 0x08
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| 61 | } PCIADDRESSSPACE;
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| 62 |
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| 63 |
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| 64 | /**
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| 65 | * Callback function for mapping an PCI I/O region.
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| 66 | *
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| 67 | * @return VBox status code.
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| 68 | * @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance.
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| 69 | * @param iRegion The region number.
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| 70 | * @param GCPhysAddress Physical address of the region. If iType is PCI_ADDRESS_SPACE_IO, this is an
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| 71 | * I/O port, else it's a physical address.
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| 72 | * This address is *NOT* relative to pci_mem_base like earlier!
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| 73 | * @param enmType One of the PCI_ADDRESS_SPACE_* values.
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| 74 | */
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| 75 | typedef DECLCALLBACK(int) FNPCIIOREGIONMAP(PPCIDEVICE pPciDev, /*unsigned*/ int iRegion, RTGCPHYS GCPhysAddress, uint32_t cb, PCIADDRESSSPACE enmType);
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| 76 | /** Pointer to a FNPCIIOREGIONMAP() function. */
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| 77 | typedef FNPCIIOREGIONMAP *PFNPCIIOREGIONMAP;
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| 78 |
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| 79 | /** Fixed I/O region number for ROM. */
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| 80 | #define PCI_ROM_SLOT 6
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| 81 | /** Max number of I/O regions. */
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| 82 | #define PCI_NUM_REGIONS 7
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| 83 |
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| 84 | /*
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| 85 | * Hack to include the PCIDEVICEINT structure at the right place
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| 86 | * to avoid duplications of FNPCIIOREGIONMAP and PCI_NUM_REGIONS.
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| 87 | */
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| 88 | #ifdef PCI_INCLUDE_PRIVATE
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| 89 | # include "PCIInternal.h"
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| 90 | #endif
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| 91 |
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| 92 | /**
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| 93 | * PCI Device structure.
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| 94 | */
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| 95 | typedef struct PCIDevice
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| 96 | {
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| 97 | /** PCI config space. */
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| 98 | uint8_t config[256];
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| 99 |
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| 100 | /** Internal data. */
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| 101 | union
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| 102 | {
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| 103 | #ifdef __PCIDEVICEINT_DECLARED__
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| 104 | PCIDEVICEINT s;
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| 105 | #endif
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| 106 | char padding[224];
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| 107 | } Int;
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| 108 |
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| 109 | /** Read only data.
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| 110 | * @{
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| 111 | */
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| 112 | /** PCI device number on the pci bus. */
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| 113 | int32_t devfn;
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| 114 | uint32_t Alignment0; /**< Alignment. */
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| 115 | /** Device name. */
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| 116 | R3PTRTYPE(const char *) name;
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| 117 | /** Pointer to the device instance which registered the device. */
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| 118 | PPDMDEVINSR3 pDevIns;
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| 119 | /** @} */
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| 120 | } PCIDEVICE;
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| 121 |
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| 122 |
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| 123 | /** @} */
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| 124 |
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| 125 | #endif
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