| 1 | /* $Id: BusAssignmentManager.h 34331 2010-11-24 16:24:17Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | *
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| 5 | * VirtualBox bus slots assignment manager
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (C) 2010 Oracle Corporation
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| 10 | *
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| 11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 12 | * available from http://www.alldomusa.eu.org. This file is free software;
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| 13 | * you can redistribute it and/or modify it under the terms of the GNU
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| 14 | * General Public License (GPL) as published by the Free Software
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| 15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 18 | */
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| 19 | #ifndef __BusAssignmentManager_h
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| 20 | #define __BusAssignmentManager_h
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| 21 |
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| 22 | #include "VBox/types.h"
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| 23 | #include "VirtualBoxBase.h"
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| 24 |
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| 25 | struct PciBusAddress
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| 26 | {
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| 27 | int iBus;
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| 28 | int iDevice;
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| 29 | int iFn;
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| 30 |
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| 31 | PciBusAddress()
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| 32 | {
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| 33 | clear();
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| 34 | }
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| 35 |
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| 36 | PciBusAddress(int bus, int device, int fn)
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| 37 | : iBus(bus), iDevice(device), iFn(fn)
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| 38 | {
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| 39 | }
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| 40 |
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| 41 | PciBusAddress& clear()
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| 42 | {
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| 43 | iBus = iDevice = iFn = -1;
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| 44 | return *this;
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| 45 | }
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| 46 |
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| 47 | bool operator<(const PciBusAddress &a) const
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| 48 | {
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| 49 | if (iBus < a.iBus)
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| 50 | return true;
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| 51 |
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| 52 | if (iBus > a.iBus)
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| 53 | return false;
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| 54 |
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| 55 | if (iDevice < a.iDevice)
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| 56 | return true;
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| 57 |
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| 58 | if (iDevice > a.iDevice)
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| 59 | return false;
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| 60 |
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| 61 | if (iFn < a.iFn)
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| 62 | return true;
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| 63 |
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| 64 | if (iFn > a.iFn)
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| 65 | return false;
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| 66 |
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| 67 | return false;
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| 68 | }
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| 69 |
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| 70 | bool operator==(const PciBusAddress &a) const
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| 71 | {
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| 72 | return (iBus == a.iBus)
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| 73 | && (iDevice == a.iDevice)
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| 74 | && (iFn == a.iFn);
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| 75 | }
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| 76 |
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| 77 | bool operator!=(const PciBusAddress &a) const
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| 78 | {
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| 79 | return (iBus != a.iBus)
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| 80 | || (iDevice != a.iDevice)
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| 81 | || (iFn != a.iFn);
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| 82 | }
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| 83 |
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| 84 | bool valid() const
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| 85 | {
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| 86 | return (iBus != -1) && (iDevice != -1) && (iFn != -1);
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| 87 | }
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| 88 |
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| 89 | LONG asLong() const
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| 90 | {
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| 91 | Assert(valid());
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| 92 | return (iBus << 8) | (iDevice << 3) | iFn;
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| 93 | }
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| 94 |
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| 95 | void fromLong(LONG value)
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| 96 | {
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| 97 | iBus = (value >> 8) & 0xff;
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| 98 | iDevice = (value & 0xff) >> 3;
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| 99 | iFn = (value & 7);
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| 100 | }
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| 101 | };
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| 102 |
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| 103 | class BusAssignmentManager
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| 104 | {
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| 105 | private:
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| 106 | struct State;
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| 107 | State* pState;
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| 108 |
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| 109 | BusAssignmentManager();
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| 110 | virtual ~BusAssignmentManager();
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| 111 |
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| 112 | public:
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| 113 | static BusAssignmentManager* createInstance(ChipsetType_T chipsetType);
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| 114 | virtual void AddRef();
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| 115 | virtual void Release();
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| 116 |
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| 117 | virtual HRESULT assignPciDevice(const char* pszDevName, PCFGMNODE pCfg, PciBusAddress& Address, bool fAddressRequired = false);
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| 118 | virtual HRESULT assignPciDevice(const char* pszDevName, PCFGMNODE pCfg)
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| 119 | {
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| 120 | PciBusAddress Address;
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| 121 | return assignPciDevice(pszDevName, pCfg, Address, false);
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| 122 | }
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| 123 | virtual bool findPciAddress(const char* pszDevName, int iInstance, PciBusAddress& Address);
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| 124 | virtual bool hasPciDevice(const char* pszDevName, int iInstance)
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| 125 | {
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| 126 | PciBusAddress Address;
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| 127 | return findPciAddress(pszDevName, iInstance, Address);
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| 128 | }
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| 129 | virtual void listAttachedPciDevices(ComSafeArrayOut(IPciDeviceAttachment*, aAttached));
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| 130 | };
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| 131 |
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| 132 | #endif // __BusAssignmentManager_h
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