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/*++
Copyright (c) 1990-2000 Microsoft Corporation
Module Name:
queue.h
Abstract:
This is a C version of a very simple sample driver that illustrates
how to use the driver framework and demonstrates best practices.
--*/
// Set max write length for testing
#define MAX_WRITE_LENGTH 1024*40
// Set timer period in ms
#define TIMER_PERIOD 1000*2
//
// This is the context that can be placed per queue
// and would contain per queue information.
//
typedef struct _QUEUE_CONTEXT {
// Here we allocate a buffer from a test write so it can be read back
WDFMEMORY WriteMemory;
// Timer DPC for this queue
WDFTIMER Timer;
// Virtual I/O
WDFREQUEST CurrentRequest;
NTSTATUS CurrentStatus;
} QUEUE_CONTEXT, *PQUEUE_CONTEXT;
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(QUEUE_CONTEXT, QueueGetContext)
NTSTATUS
EchoQueueInitialize(
WDFDEVICE hDevice
);
EVT_WDF_IO_QUEUE_CONTEXT_DESTROY_CALLBACK EchoEvtIoQueueContextDestroy;
//
// Events from the IoQueue object
//
EVT_WDF_REQUEST_CANCEL EchoEvtRequestCancel;
EVT_WDF_IO_QUEUE_IO_READ EchoEvtIoRead;
EVT_WDF_IO_QUEUE_IO_WRITE EchoEvtIoWrite;
NTSTATUS
EchoTimerCreate(
IN WDFTIMER* pTimer,
IN WDFQUEUE Queue
);
EVT_WDF_TIMER EchoEvtTimerFunc;
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