Leaked source code of windows server 2003
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//==========================================================================;
//
// ATIXBar.H
// WDM Analog/Video CrossBar MiniDriver.
// AllInWonder/AllInWonderPro hardware platform.
// Main Include Module.
// Copyright (c) 1996 - 1997 ATI Technologies Inc. All Rights Reserved.
//
//==========================================================================;
#ifndef _ATIXBAR_H_
#define _ATIXBAR_H_
#include "wdmxbar.h"
#include "pinmedia.h"
typedef struct{ CI2CScript CScript; CWDMAVXBar CAVXBar;
PDEVICE_OBJECT PhysicalDeviceObject;
// for managing SRB Queue and internal driver synchronization
BOOL bSrbInProcess; LIST_ENTRY adapterSrbQueueHead; KSPIN_LOCK adapterSpinLock;
} ADAPTER_DATA_EXTENSION, * PADAPTER_DATA_EXTENSION;
typedef struct{ // please, don't move this member from its first place in the structure
// if you do, change the code to use FIELDOFFSET macro to retrieve pSrb
// member offset within this structure. The code as it's written assumes
// LIST_ENTRY * == SRB_DATA_EXTENSION *
LIST_ENTRY srbListEntry; PHW_STREAM_REQUEST_BLOCK pSrb;
} SRB_DATA_EXTENSION, * PSRB_DATA_EXTENSION;
/*
Call-backs from the StreamClass*/extern "C"void STREAMAPI XBarReceivePacket ( PHW_STREAM_REQUEST_BLOCK pSrb);extern "C"void STREAMAPI XBarCancelPacket ( PHW_STREAM_REQUEST_BLOCK pSrb);extern "C" void STREAMAPI XBarTimeoutPacket ( PHW_STREAM_REQUEST_BLOCK pSrb);
/*
Local prototypes*/void XBarAdapterInitialize ( PHW_STREAM_REQUEST_BLOCK pSrb);
#endif // _ATIXBAR_H_
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