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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
internal.h
Abstract:
This module contains the common internal type and function
definitions for the SPB peripheral driver.
Environment:
kernel-mode only
Revision History:
--*/
#ifndef _INTERNAL_H_
#define _INTERNAL_H_
#pragma warning(push)
#pragma warning(disable:4512)
#pragma warning(disable:4480)
#define SPBT_POOL_TAG ((ULONG) 'TBPS')
/////////////////////////////////////////////////
//
// Common includes.
//
/////////////////////////////////////////////////
#include <ntddk.h>
#include <wdm.h>
#include <wdf.h>
#include <ntstrsafe.h>
#include "spb.h"
#include "spbtestioctl.h"
#define RESHUB_USE_HELPER_ROUTINES
#include "reshub.h"
#include "trace.h"
//
// Forward Declarations
//
typedef struct _DEVICE_CONTEXT DEVICE_CONTEXT, *PDEVICE_CONTEXT;
typedef struct _REQUEST_CONTEXT REQUEST_CONTEXT, *PREQUEST_CONTEXT;
struct _DEVICE_CONTEXT
{
//
// Handle back to the WDFDEVICE
//
WDFDEVICE FxDevice;
//
// Handle to the sequential SPB queue
//
WDFQUEUE SpbQueue;
//
// Connection ID for SPB peripheral
//
LARGE_INTEGER PeripheralId;
//
// Interrupt object and wait event
//
WDFINTERRUPT Interrupt;
KEVENT IsrWaitEvent;
//
// Setting indicating whether the interrupt should be connected
//
BOOLEAN ConnectInterrupt;
//
// SPB controller target
//
WDFIOTARGET SpbController;
//
// SPB request object
//
WDFREQUEST SpbRequest;
//
// Input memory for request. Valid while request in progress.
//
WDFMEMORY InputMemory;
//
// Client request object
//
WDFREQUEST ClientRequest;
//
// WaitOnInterrupt request object
//
WDFREQUEST WaitOnInterruptRequest;
};
struct _REQUEST_CONTEXT
{
//
// Associated framework device object
//
WDFDEVICE FxDevice;
//
// Variables to track write length for a sequence request.
// There are needed to complete the client request with
// correct bytesReturned value.
//
BOOLEAN IsSpbSequenceRequest;
ULONG_PTR SequenceWriteLength;
};
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(DEVICE_CONTEXT, GetDeviceContext);
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(REQUEST_CONTEXT, GetRequestContext);
#pragma warning(pop)
#endif // _INTERNAL_H_
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