[WDF] Add Windows Driver Framework files

Takern from Microsoft GitHub repo:
d9c6040fe9

Licensed under MIT

sdk/lib/drivers/wdf/shared/inc/private/um/fxiotargetum.hpp

@@ -0,0 +1,162 @@
+/*++
+
+Copyright (c) Microsoft. All rights reserved.
+
+Module Name:
+
+    FxIoTargetUm.hpp
+
+Abstract:
+
+Author:
+
+
+
+Environment:
+
+
+Revision History:
+
+--*/
+
+#ifndef _FXIOTARGETUM_H_
+#define _FXIOTARGETUM_H_
+
+__inline
+FxIoContext::FxIoContext(
+    VOID
+    ) :
+    FxRequestContext(FX_RCT_IO),
+    m_OtherMemory(NULL),
+    m_RestoreState(FALSE)
+{
+    ZeroMemory(&m_OriginalBufferInfo, sizeof(m_OriginalBufferInfo));
+}
+
+__inline
+FxIoContext::~FxIoContext(
+    VOID
+    )
+{
+}
+
+__inline
+VOID
+FxIoContext::ReleaseAndRestore(
+    __in FxRequestBase* Request
+    )
+{
+    FxIrp* irp = NULL;
+
+    irp = Request->GetSubmitFxIrp();
+
+    if (m_RestoreState) {
+        irp->GetIoIrp()->RestoreCurrentBuffer(&m_OriginalBufferInfo);
+        m_RestoreState = FALSE;
+    }
+
+    //
+    // Release the 2ndary buffer if we have an outstanding reference
+    //
+    if (m_OtherMemory != NULL) {
+        m_OtherMemory->RELEASE(this);
+        m_OtherMemory = NULL;
+    }
+
+    //
+    // Release the other buffer and all __super related fields
+    //
+    __super::ReleaseAndRestore(Request);
+}
+
+__inline
+VOID
+FxIoContext::CopyParameters(
+    __in FxRequestBase* Request
+    )
+{
+    switch (m_MajorFunction) {
+    case IRP_MJ_WRITE:
+        m_CompletionParams.Parameters.Write.Length =
+            m_CompletionParams.IoStatus.Information;
+        break;
+
+    case IRP_MJ_READ:
+        m_CompletionParams.Parameters.Read.Length =
+            m_CompletionParams.IoStatus.Information;
+        break;
+
+    case IRP_MJ_DEVICE_CONTROL:
+    case UMINT::WdfRequestInternalIoctl:
+        m_CompletionParams.Parameters.Ioctl.Output.Length =
+            m_CompletionParams.IoStatus.Information;
+        break;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    default:
+        FX_VERIFY(INTERNAL, CHECK("Non Io Irp passed to CopyParameters", FALSE));
+    }
+}
+
+__inline
+VOID
+FxIoContext::SwapIrpBuffer(
+    _In_ FxRequestBase* Request,
+    _In_ ULONG NewInputBufferCb,
+    _In_reads_bytes_opt_(NewInputBufferCb) PVOID NewInputBuffer,
+    _In_ ULONG NewOutputBufferCb,
+    _In_reads_bytes_opt_(NewOutputBufferCb) PVOID NewOutputBuffer
+    )
+{
+    FxIrp* irp = NULL;
+
+    irp = Request->GetSubmitFxIrp();
+
+    m_RestoreState = TRUE;
+    irp->GetIoIrp()->SwapCurrentBuffer(
+                                       true,
+                                       NewInputBufferCb,
+                                       NewInputBuffer,
+                                       NewOutputBufferCb,
+                                       NewOutputBuffer,
+                                       &m_OriginalBufferInfo
+                                       );
+}
+
+__inline
+BOOLEAN
+FxIoTarget::HasValidStackSize(
+    VOID
+    )
+{
+
+
+
+
+
+
+    return TRUE;
+}
+
+__inline
+VOID
+FxIoTarget::Send(
+    _In_ MdIrp Irp
+    )
+{
+    Forward(Irp);
+}
+
+#endif // _FXIOTARGETUM_H_