| 1 | /* $Id: PCIInternal.h 44528 2013-02-04 14:27:54Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * DevPCI - PCI Internal header - Only for hiding bits of PCIDEVICE.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2011 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #ifndef __PCIInternal_h__
|
|---|
| 19 | #define __PCIInternal_h__
|
|---|
| 20 |
|
|---|
| 21 | /**
|
|---|
| 22 | * PCI I/O region.
|
|---|
| 23 | */
|
|---|
| 24 | typedef struct PCIIOREGION
|
|---|
| 25 | {
|
|---|
| 26 | /** Current PCI mapping address, 0xffffffff means not mapped. */
|
|---|
| 27 | uint64_t addr;
|
|---|
| 28 | uint64_t size;
|
|---|
| 29 | uint8_t type; /* PCIADDRESSSPACE */
|
|---|
| 30 | uint8_t padding[HC_ARCH_BITS == 32 ? 3 : 7];
|
|---|
| 31 | /** Callback called when the region is mapped. */
|
|---|
| 32 | R3PTRTYPE(PFNPCIIOREGIONMAP) map_func;
|
|---|
| 33 | } PCIIOREGION, PCIIORegion;
|
|---|
| 34 | /** Pointer to PCI I/O region. */
|
|---|
| 35 | typedef PCIIOREGION *PPCIIOREGION;
|
|---|
| 36 |
|
|---|
| 37 | /**
|
|---|
| 38 | * Callback function for reading from the PCI configuration space.
|
|---|
| 39 | *
|
|---|
| 40 | * @returns The register value.
|
|---|
| 41 | * @param pDevIns Pointer to the device instance of the PCI bus.
|
|---|
| 42 | * @param iBus The bus number this device is on.
|
|---|
| 43 | * @param iDevice The number of the device on the bus.
|
|---|
| 44 | * @param Address The configuration space register address. [0..255]
|
|---|
| 45 | * @param cb The register size. [1,2,4]
|
|---|
| 46 | */
|
|---|
| 47 | typedef DECLCALLBACK(uint32_t) FNPCIBRIDGECONFIGREAD(PPDMDEVINSR3 pDevIns, uint8_t iBus, uint8_t iDevice, uint32_t u32Address, unsigned cb);
|
|---|
| 48 | /** Pointer to a FNPCICONFIGREAD() function. */
|
|---|
| 49 | typedef FNPCIBRIDGECONFIGREAD *PFNPCIBRIDGECONFIGREAD;
|
|---|
| 50 | /** Pointer to a PFNPCICONFIGREAD. */
|
|---|
| 51 | typedef PFNPCIBRIDGECONFIGREAD *PPFNPCIBRIDGECONFIGREAD;
|
|---|
| 52 |
|
|---|
| 53 | /**
|
|---|
| 54 | * Callback function for writing to the PCI configuration space.
|
|---|
| 55 | *
|
|---|
| 56 | * @param pDevIns Pointer to the device instance of the PCI bus.
|
|---|
| 57 | * @param iBus The bus number this device is on.
|
|---|
| 58 | * @param iDevice The number of the device on the bus.
|
|---|
| 59 | * @param Address The configuration space register address. [0..255]
|
|---|
| 60 | * @param u32Value The value that's being written. The number of bits actually used from
|
|---|
| 61 | * this value is determined by the cb parameter.
|
|---|
| 62 | * @param cb The register size. [1,2,4]
|
|---|
| 63 | */
|
|---|
| 64 | typedef DECLCALLBACK(void) FNPCIBRIDGECONFIGWRITE(PPDMDEVINSR3 pDevIns, uint8_t iBus, uint8_t iDevice, uint32_t u32Address, uint32_t u32Value, unsigned cb);
|
|---|
| 65 | /** Pointer to a FNPCICONFIGWRITE() function. */
|
|---|
| 66 | typedef FNPCIBRIDGECONFIGWRITE *PFNPCIBRIDGECONFIGWRITE;
|
|---|
| 67 | /** Pointer to a PFNPCICONFIGWRITE. */
|
|---|
| 68 | typedef PFNPCIBRIDGECONFIGWRITE *PPFNPCIBRIDGECONFIGWRITE;
|
|---|
| 69 |
|
|---|
| 70 | /* Forward declaration */
|
|---|
| 71 | struct PCIBus;
|
|---|
| 72 |
|
|---|
| 73 | enum {
|
|---|
| 74 | /** Set if the specific device function was requested by PDM.
|
|---|
| 75 | * If clear the device and it's functions can be relocated to satisfy the slot request of another device. */
|
|---|
| 76 | PCIDEV_FLAG_REQUESTED_DEVFUNC = 1<<0,
|
|---|
| 77 | /** Flag whether the device is a pci-to-pci bridge.
|
|---|
| 78 | * This is set prior to device registration. */
|
|---|
| 79 | PCIDEV_FLAG_PCI_TO_PCI_BRIDGE = 1<<1,
|
|---|
| 80 | /** Flag whether the device is a PCI Express device.
|
|---|
| 81 | * This is set prior to device registration. */
|
|---|
| 82 | PCIDEV_FLAG_PCI_EXPRESS_DEVICE = 1<<2,
|
|---|
| 83 | /** Flag whether the device is capable of MSI.
|
|---|
| 84 | * This one is set by MsiInit(). */
|
|---|
| 85 | PCIDEV_FLAG_MSI_CAPABLE = 1<<3,
|
|---|
| 86 | /** Flag whether the device is capable of MSI-X.
|
|---|
| 87 | * This one is set by MsixInit(). */
|
|---|
| 88 | PCIDEV_FLAG_MSIX_CAPABLE = 1<<4,
|
|---|
| 89 | /** Flag if device represents real physical device in passthrough mode. */
|
|---|
| 90 | PCIDEV_FLAG_PASSTHROUGH = 1<<5,
|
|---|
| 91 | /** Flag whether the device is capable of MSI using 64-bit address. */
|
|---|
| 92 | PCIDEV_FLAG_MSI64_CAPABLE = 1<<6
|
|---|
| 93 |
|
|---|
| 94 | };
|
|---|
| 95 |
|
|---|
| 96 | /**
|
|---|
| 97 | * PCI Device - Internal data.
|
|---|
| 98 | */
|
|---|
| 99 | typedef struct PCIDEVICEINT
|
|---|
| 100 | {
|
|---|
| 101 | /** I/O regions. */
|
|---|
| 102 | PCIIOREGION aIORegions[PCI_NUM_REGIONS];
|
|---|
| 103 | /** Pointer to the PCI bus of the device. (R3 ptr) */
|
|---|
| 104 | R3PTRTYPE(struct PCIBus *) pBusR3;
|
|---|
| 105 | /** Pointer to the PCI bus of the device. (R0 ptr) */
|
|---|
| 106 | R0PTRTYPE(struct PCIBus *) pBusR0;
|
|---|
| 107 | /** Pointer to the PCI bus of the device. (RC ptr) */
|
|---|
| 108 | RCPTRTYPE(struct PCIBus *) pBusRC;
|
|---|
| 109 | #if HC_ARCH_BITS == 64
|
|---|
| 110 | RTRCPTR Alignment0;
|
|---|
| 111 | #endif
|
|---|
| 112 |
|
|---|
| 113 | /** Page used for MSI-X state. (R3 ptr) */
|
|---|
| 114 | R3PTRTYPE(void*) pMsixPageR3;
|
|---|
| 115 | /** Page used for MSI-X state. (R0 ptr) */
|
|---|
| 116 | R0PTRTYPE(void*) pMsixPageR0;
|
|---|
| 117 | /** Page used for MSI-X state. (RC ptr) */
|
|---|
| 118 | RCPTRTYPE(void*) pMsixPageRC;
|
|---|
| 119 | #if HC_ARCH_BITS == 64
|
|---|
| 120 | RTRCPTR Alignment1;
|
|---|
| 121 | #endif
|
|---|
| 122 |
|
|---|
| 123 |
|
|---|
| 124 | /** Read config callback. */
|
|---|
| 125 | R3PTRTYPE(PFNPCICONFIGREAD) pfnConfigRead;
|
|---|
| 126 | /** Write config callback. */
|
|---|
| 127 | R3PTRTYPE(PFNPCICONFIGWRITE) pfnConfigWrite;
|
|---|
| 128 |
|
|---|
| 129 | /** Flags of this PCI device, see PCIDEV_FLAG_XXX constants. */
|
|---|
| 130 | uint32_t fFlags;
|
|---|
| 131 | /** Current state of the IRQ pin of the device. */
|
|---|
| 132 | int32_t uIrqPinState;
|
|---|
| 133 |
|
|---|
| 134 | /** Offset of MSI PCI capability in config space, or 0. */
|
|---|
| 135 | uint8_t u8MsiCapOffset;
|
|---|
| 136 | /** Size of MSI PCI capability in config space, or 0. */
|
|---|
| 137 | uint8_t u8MsiCapSize;
|
|---|
| 138 | /** Offset of MSI-X PCI capability in config space, or 0. */
|
|---|
| 139 | uint8_t u8MsixCapOffset;
|
|---|
| 140 | /** Size of MSI-X PCI capability in config space, or 0. */
|
|---|
| 141 | uint8_t u8MsixCapSize;
|
|---|
| 142 |
|
|---|
| 143 | uint32_t Alignment2;
|
|---|
| 144 |
|
|---|
| 145 | /** Pointer to bus specific data. (R3 ptr) */
|
|---|
| 146 | R3PTRTYPE(const void*) pPciBusPtrR3;
|
|---|
| 147 |
|
|---|
| 148 | /** Read config callback for PCI bridges to pass requests
|
|---|
| 149 | * to devices on another bus.
|
|---|
| 150 | */
|
|---|
| 151 | R3PTRTYPE(PFNPCIBRIDGECONFIGREAD) pfnBridgeConfigRead;
|
|---|
| 152 | /** Write config callback for PCI bridges to pass requests
|
|---|
| 153 | * to devices on another bus.
|
|---|
| 154 | */
|
|---|
| 155 | R3PTRTYPE(PFNPCIBRIDGECONFIGWRITE) pfnBridgeConfigWrite;
|
|---|
| 156 |
|
|---|
| 157 | } PCIDEVICEINT;
|
|---|
| 158 |
|
|---|
| 159 | /** Indicate that PCIDEVICE::Int.s can be declared. */
|
|---|
| 160 | #define PCIDEVICEINT_DECLARED
|
|---|
| 161 |
|
|---|
| 162 | #endif
|
|---|
