Is it possible to create and send IRP read/write packets from UMDF driver to kernel-mode driver that represents the device?
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Is it possible to create and send IRP read/write packets from UMDF driver to kernel-mode driver that represents the device?
It is possible via calling FormatRequestForRead/FormatRequestForWrite method of IO target and sending request. See http://msdn.microsoft.com/en-us/library/windows/hardware/ff559236(v=vs.85).aspx for example.