VirtualBox

source: vbox/trunk/src/VBox/Devices/Bus/PCIInternal.h@ 17995

Last change on this file since 17995 was 13217, checked in by vboxsync, 16 years ago

pciinternal: drop unnecessary alignments.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.7 KB
Line 
1/* $Id: PCIInternal.h 13217 2008-10-13 13:40:54Z vboxsync $ */
2/** @file
3 * DevPCI - PCI Internal header - Only for hiding bits of PCIDEVICE.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22#ifndef __PCIInternal_h__
23#define __PCIInternal_h__
24
25/**
26 * PCI I/O region.
27 */
28typedef struct PCIIOREGION
29{
30 /** Current PCI mapping address.
31 * -1 means not mapped. Memory addresses are relative to pci_mem_base. */
32 uint32_t addr;
33 uint32_t size;
34 uint8_t type; /* PCIADDRESSSPACE */
35 uint8_t padding[HC_ARCH_BITS == 32 ? 3 : 7];
36 /** Callback called when the region is mapped. */
37 R3PTRTYPE(PFNPCIIOREGIONMAP) map_func;
38} PCIIOREGION, PCIIORegion;
39/** Pointer to PCI I/O region. */
40typedef PCIIOREGION *PPCIIOREGION;
41
42/**
43 * Callback function for reading from the PCI configuration space.
44 *
45 * @returns The register value.
46 * @param pDevIns Pointer to the device instance of the PCI bus.
47 * @param iBus The bus number this device is on.
48 * @param iDevice The number of the device on the bus.
49 * @param Address The configuration space register address. [0..255]
50 * @param cb The register size. [1,2,4]
51 */
52typedef DECLCALLBACK(uint32_t) FNPCIBRIDGECONFIGREAD(PPDMDEVINSR3 pDevIns, uint8_t iBus, uint8_t iDevice, uint32_t u32Address, unsigned cb);
53/** Pointer to a FNPCICONFIGREAD() function. */
54typedef FNPCIBRIDGECONFIGREAD *PFNPCIBRIDGECONFIGREAD;
55/** Pointer to a PFNPCICONFIGREAD. */
56typedef PFNPCIBRIDGECONFIGREAD *PPFNPCIBRIDGECONFIGREAD;
57
58/**
59 * Callback function for writing to the PCI configuration space.
60 *
61 * @param pDevIns Pointer to the device instance of the PCI bus.
62 * @param iBus The bus number this device is on.
63 * @param iDevice The number of the device on the bus.
64 * @param Address The configuration space register address. [0..255]
65 * @param u32Value The value that's being written. The number of bits actually used from
66 * this value is determined by the cb parameter.
67 * @param cb The register size. [1,2,4]
68 */
69typedef DECLCALLBACK(void) FNPCIBRIDGECONFIGWRITE(PPDMDEVINSR3 pDevIns, uint8_t iBus, uint8_t iDevice, uint32_t u32Address, uint32_t u32Value, unsigned cb);
70/** Pointer to a FNPCICONFIGWRITE() function. */
71typedef FNPCIBRIDGECONFIGWRITE *PFNPCIBRIDGECONFIGWRITE;
72/** Pointer to a PFNPCICONFIGWRITE. */
73typedef PFNPCIBRIDGECONFIGWRITE *PPFNPCIBRIDGECONFIGWRITE;
74
75/**
76 * PCI Device - Internal data.
77 */
78typedef struct PCIDEVICEINT
79{
80 /** I/O regions. */
81 PCIIOREGION aIORegions[PCI_NUM_REGIONS];
82 /** Pointer to the PCI bus of the device. - R3 ptr */
83 R3PTRTYPE(struct PCIBus *) pBusR3;
84 /** Pointer to the PCI bus of the device. - R0 ptr */
85 R0PTRTYPE(struct PCIBus *) pBusR0;
86 /** Pointer to the PCI bus of the device. - RC ptr */
87 RCPTRTYPE(struct PCIBus *) pBusRC;
88#if HC_ARCH_BITS == 64
89 RTRCPTR Alignment0;
90#endif
91
92 /** Read config callback. */
93 R3PTRTYPE(PFNPCICONFIGREAD) pfnConfigRead;
94 /** Write config callback. */
95 R3PTRTYPE(PFNPCICONFIGWRITE) pfnConfigWrite;
96
97 /** Set if the specific device fun was requested by PDM.
98 * If clear the device and it's functions can be relocated to satisfy the slot request of another device. */
99 bool fRequestedDevFn;
100 /** Flag whether the device is a pci-to-pci bridge. */
101 bool fPciToPciBridge;
102 /** Current state of the IRQ pin of the device. */
103 int32_t uIrqPinState;
104
105 /** Read config callback for PCI bridges to pass requests
106 * to devices on another bus.
107 */
108 R3PTRTYPE(PFNPCIBRIDGECONFIGREAD) pfnBridgeConfigRead;
109 /** Write config callback for PCI bridges to pass requests
110 * to devices on another bus.
111 */
112 R3PTRTYPE(PFNPCIBRIDGECONFIGWRITE) pfnBridgeConfigWrite;
113
114} PCIDEVICEINT;
115
116/* Indicate that PCIDEVICE::Int.s can be declared. */
117#define __PCIDEVICEINT_DECLARED__
118
119#endif
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