88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
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#include "precomp.h"
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#pragma hdrstop
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typedef DWORD (APIENTRY *T_PCIINFO)(
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ULONG BusNumber,
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ULONG SlotNumber,
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ULONG Offset,
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ULONG Length,
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PVOID Data );
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typedef struct _PCI_SLOT_NUMBER {
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union {
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struct {
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ULONG DeviceNumber:5;
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ULONG FunctionNumber:3;
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ULONG Reserved:24;
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} bits;
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ULONG AsULONG;
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} u;
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} PCI_SLOT_NUMBER, *PPCI_SLOT_NUMBER;
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extern CHAR ReturnTextBuffer[1024];
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/*
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GetPCISlotInformation - Get PCI information.
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The user must passed 3 arguments to the function.
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1st argument - bus number
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2rd argument - slot number
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It will return a string as:
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{VendorID, DeviceID}
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*/
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BOOL
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GetPciInformation(
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IN DWORD cArgs,
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IN LPSTR Args[],
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OUT LPSTR *TextOut
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)
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{
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static HMODULE mDtect = NULL;
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static T_PCIINFO pProc = NULL;
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ULONG BusNum = atol( Args[0] );
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ULONG Device = atol( Args[1] );
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ULONG Function = atol( Args[2] );
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USHORT usVendor = 0;
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USHORT usDevice = 0;
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TCHAR buf[100];
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lstrcpy( ReturnTextBuffer, "{" );
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if ( mDtect == NULL )
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mDtect = LoadLibrary("netdtect.dll");
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if ( mDtect != NULL )
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{
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if ( pProc == NULL )
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pProc = (T_PCIINFO)GetProcAddress( mDtect, "DetectReadPciSlotInformation" );
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if ( pProc != NULL )
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{
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PCI_SLOT_NUMBER pciSlot;
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pciSlot.u.AsULONG = Device;
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pciSlot.u.bits.DeviceNumber = Device;
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pciSlot.u.bits.FunctionNumber = Function;
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(*(T_PCIINFO)pProc)( BusNum, pciSlot.u.AsULONG, 0, sizeof(USHORT), &usVendor);
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(*(T_PCIINFO)pProc)( BusNum, pciSlot.u.AsULONG, sizeof(USHORT), sizeof(USHORT), &usDevice);
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}
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}
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wsprintf( buf, "\"%d\",\"%d\"", usVendor, usDevice );
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lstrcat( ReturnTextBuffer, buf );
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lstrcat( ReturnTextBuffer, "}" );
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*TextOut = ReturnTextBuffer;
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return TRUE;
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}
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