samples update for //build

1 files changed, 425 insertions, 0 deletions

diff --git a/usb/umdf_fx2/driver/ReadWriteQueue.cpp b/usb/umdf_fx2/driver/ReadWriteQueue.cpp
new file mode 100644
index 00000000..46144829
--- /dev/null
+++ b/usb/umdf_fx2/driver/ReadWriteQueue.cpp
@@ -0,0 +1,425 @@
+/*++
+
+Copyright (c) Microsoft Corporation, All Rights Reserved
+
+Module Name:
+
+    queue.cpp
+
+Abstract:
+
+    This file implements the I/O queue interface and performs
+    the read/write/ioctl operations.
+
+Environment:
+
+    Windows User-Mode Driver Framework (WUDF)
+
+--*/
+
+#include "internal.h"
+#include "ReadWriteQueue.tmh"
+
+VOID
+CMyReadWriteQueue::OnCompletion(
+    _In_ IWDFIoRequest*                 pWdfRequest,
+    _In_ IWDFIoTarget*                  pIoTarget,
+    _In_ IWDFRequestCompletionParams*   pParams,
+    _In_ PVOID                          pContext
+    )
+{
+    UNREFERENCED_PARAMETER(pIoTarget);
+    UNREFERENCED_PARAMETER(pContext);
+
+    pWdfRequest->CompleteWithInformation(
+        pParams->GetCompletionStatus(),
+        pParams->GetInformation()
+        );
+}
+
+void
+CMyReadWriteQueue::ForwardFormattedRequest(
+    _In_ IWDFIoRequest*                         pRequest,
+    _In_ IWDFIoTarget*                          pIoTarget
+    )
+{
+    //
+    //First set the completion callback
+    //
+
+    IRequestCallbackRequestCompletion * pCompletionCallback = NULL;
+    HRESULT hrQI = this->QueryInterface(IID_PPV_ARGS(&pCompletionCallback));
+    WUDF_TEST_DRIVER_ASSERT(SUCCEEDED(hrQI) && (NULL != pCompletionCallback));
+
+    pRequest->SetCompletionCallback(
+        pCompletionCallback,
+        NULL
+        );
+
+    pCompletionCallback->Release();
+    pCompletionCallback = NULL;
+
+    //
+    //Send down the request
+    //
+
+    HRESULT hrSend = S_OK;
+    hrSend = pRequest->Send(pIoTarget,
+                            0,  //flags
+                            0); //timeout
+
+    if (FAILED(hrSend))
+    {
+        pRequest->CompleteWithInformation(hrSend, 0);
+    }
+
+    return;
+}
+
+
+CMyReadWriteQueue::CMyReadWriteQueue(
+    _In_ PCMyDevice Device
+    ) :
+    CMyQueue(Device)
+{
+}
+
+//
+// Queue destructor.
+// Free up the buffer, wait for thread to terminate and
+//
+
+CMyReadWriteQueue::~CMyReadWriteQueue(
+    VOID
+    )
+/*++
+
+Routine Description:
+
+
+    IUnknown implementation of Release
+
+Aruments:
+
+
+Return Value:
+
+    ULONG (reference count after Release)
+
+--*/
+{
+    TraceEvents(TRACE_LEVEL_INFORMATION,
+                TEST_TRACE_QUEUE,
+                "%!FUNC! Entry"
+                );
+
+}
+
+
+HRESULT
+STDMETHODCALLTYPE
+CMyReadWriteQueue::QueryInterface(
+    _In_ REFIID InterfaceId,
+    _Outptr_ PVOID *Object
+    )
+/*++
+
+Routine Description:
+
+
+    Query Interface
+
+Aruments:
+
+    Follows COM specifications
+
+Return Value:
+
+    HRESULT indicatin success or failure
+
+--*/
+{
+    HRESULT hr;
+
+
+    if (IsEqualIID(InterfaceId, __uuidof(IQueueCallbackWrite)))
+    {
+        hr = S_OK;
+        *Object = QueryIQueueCallbackWrite();
+    }
+    else if (IsEqualIID(InterfaceId, __uuidof(IQueueCallbackRead)))
+    {
+        hr = S_OK;
+        *Object = QueryIQueueCallbackRead();
+    }
+    else if (IsEqualIID(InterfaceId, __uuidof(IRequestCallbackRequestCompletion)))
+    {
+        hr = S_OK;
+        *Object = QueryIRequestCallbackRequestCompletion();
+    }
+    else if (IsEqualIID(InterfaceId, __uuidof(IQueueCallbackIoStop)))
+    {
+        hr = S_OK;
+        *Object = QueryIQueueCallbackIoStop();
+    }
+    else
+    {
+        hr = CMyQueue::QueryInterface(InterfaceId, Object);
+    }
+
+    return hr;
+}
+
+//
+// Initialize
+//
+
+HRESULT
+CMyReadWriteQueue::CreateInstance(
+    _In_ PCMyDevice Device,
+    _Out_ PCMyReadWriteQueue *Queue
+    )
+/*++
+
+Routine Description:
+
+
+    CreateInstance creates an instance of the queue object.
+
+Aruments:
+
+    ppUkwn - OUT parameter is an IUnknown interface to the queue object
+
+Return Value:
+
+    HRESULT indicatin success or failure
+
+--*/
+{
+    PCMyReadWriteQueue queue;
+    HRESULT hr = S_OK;
+
+    queue = new CMyReadWriteQueue(Device);
+
+    if (NULL == queue)
+    {
+        hr = E_OUTOFMEMORY;
+    }
+
+    //
+    // Call the queue callback object to initialize itself.  This will create
+    // its partner queue framework object.
+    //
+
+    if (SUCCEEDED(hr))
+    {
+        hr = queue->Initialize();
+    }
+
+    if (SUCCEEDED(hr))
+    {
+        *Queue = queue;
+    }
+    else
+    {
+        SAFE_RELEASE(queue);
+    }
+
+    return hr;
+}
+
+HRESULT
+CMyReadWriteQueue::Initialize(
+    )
+{
+    HRESULT hr;
+
+    //
+    // First initialize the base class.  This will create the partner FxIoQueue
+    // object and setup automatic forwarding of I/O controls.
+    //
+
+    hr = __super::Initialize(WdfIoQueueDispatchParallel,
+                             true,
+                             true);
+
+    //
+    // return the status.
+    //
+
+    return hr;
+}
+
+STDMETHODIMP_ (void)
+CMyReadWriteQueue::OnWrite(
+    _In_ IWDFIoQueue *pWdfQueue,
+    _In_ IWDFIoRequest *pWdfRequest,
+    _In_ SIZE_T BytesToWrite
+     )
+/*++
+
+Routine Description:
+
+
+    Write dispatch routine
+    IQueueCallbackWrite
+
+Aruments:
+
+    pWdfQueue - Framework Queue instance
+    pWdfRequest - Framework Request  instance
+    BytesToWrite - Lenth of bytes in the write buffer
+
+    Allocate and copy data to local buffer
+Return Value:
+
+    VOID
+
+--*/
+{
+    UNREFERENCED_PARAMETER(pWdfQueue);
+
+    TraceEvents(TRACE_LEVEL_INFORMATION,
+                TEST_TRACE_QUEUE,
+                "%!FUNC!: Queue %p Request %p BytesToTransfer %d\n",
+                this,
+                pWdfRequest,
+                (ULONG)(ULONG_PTR)BytesToWrite
+                );
+
+    HRESULT hr = S_OK;
+    IWDFMemory * pInputMemory = NULL;
+    IWDFUsbTargetPipe * pOutputPipe = m_Device->GetOutputPipe();
+
+    pWdfRequest->GetInputMemory(&pInputMemory);
+
+    hr = pOutputPipe->FormatRequestForWrite(
+                                pWdfRequest,
+                                NULL, //pFile
+                                pInputMemory,
+                                NULL, //Memory offset
+                                NULL  //DeviceOffset
+                                );
+
+    if (FAILED(hr))
+    {
+        pWdfRequest->Complete(hr);
+    }
+    else
+    {
+        ForwardFormattedRequest(pWdfRequest, pOutputPipe);
+    }
+
+    SAFE_RELEASE(pInputMemory);
+
+    return;
+}
+
+STDMETHODIMP_ (void)
+CMyReadWriteQueue::OnRead(
+    _In_ IWDFIoQueue *pWdfQueue,
+    _In_ IWDFIoRequest *pWdfRequest,
+    _In_ SIZE_T BytesToRead
+    )
+/*++
+
+Routine Description:
+
+
+    Read dispatch routine
+    IQueueCallbackRead
+
+Aruments:
+
+    pWdfQueue - Framework Queue instance
+    pWdfRequest - Framework Request  instance
+    BytesToRead - Lenth of bytes in the read buffer
+
+    Copy available data into the read buffer
+Return Value:
+
+    VOID
+
+--*/
+{
+    UNREFERENCED_PARAMETER(pWdfQueue);
+
+    TraceEvents(TRACE_LEVEL_INFORMATION,
+                TEST_TRACE_QUEUE,
+                "%!FUNC!: Queue %p Request %p BytesToTransfer %d\n",
+                this,
+                pWdfRequest,
+                (ULONG)(ULONG_PTR)BytesToRead
+                );
+
+    HRESULT hr = S_OK;
+    IWDFMemory * pOutputMemory = NULL;
+
+    pWdfRequest->GetOutputMemory(&pOutputMemory);
+
+    hr = m_Device->GetInputPipe()->FormatRequestForRead(
+                                pWdfRequest,
+                                NULL, //pFile
+                                pOutputMemory,
+                                NULL, //Memory offset
+                                NULL  //DeviceOffset
+                                );
+
+    if (FAILED(hr))
+    {
+        pWdfRequest->Complete(hr);
+    }
+    else
+    {
+        ForwardFormattedRequest(pWdfRequest, m_Device->GetInputPipe());
+    }
+
+    SAFE_RELEASE(pOutputMemory);
+
+    return;
+}
+
+STDMETHODIMP_ (void)
+CMyReadWriteQueue::OnIoStop(
+    _In_ IWDFIoQueue *   pWdfQueue,
+    _In_ IWDFIoRequest * pWdfRequest,
+    _In_ ULONG           ActionFlags
+    )
+{   
+    UNREFERENCED_PARAMETER(pWdfQueue);
+
+
+    //
+    // The driver owns the request and no locking constraint is safe for 
+    // the queue callbacks
+    //        
+    if (ActionFlags == WdfRequestStopActionSuspend )
+    {
+        IWDFIoRequest2 * request2 = NULL;
+        HRESULT                 hr;
+
+        hr = pWdfRequest->QueryInterface(IID_PPV_ARGS(&request2));
+        if (FAILED(hr))
+        {
+            TraceEvents(TRACE_LEVEL_INFORMATION,
+                        TEST_TRACE_QUEUE,
+                        "%!FUNC!: Failed to QI for IWDFIoRequest2: %!hresult!", 
+                        hr);
+            return;
+        }
+
+        request2->StopAcknowledge(FALSE); //don't requeue
+        SAFE_RELEASE(request2);
+    }
+    else if(ActionFlags == WdfRequestStopActionPurge)
+    {
+        //
+        // Cancel the sent request since we are asked to purge the request
+        //
+
+        pWdfRequest->CancelSentRequest();
+    }
+
+    return;
+}
+