WdfDmaTransactionGetDevice - NtDoc
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// wdfdmatransaction.h
WDFDEVICE WdfDmaTransactionGetDevice(
[in] WDFDMATRANSACTION DmaTransaction
);
View the official Windows Driver Kit DDI referenceNo description available.
[Applies to KMDF only]
The WdfDmaTransactionGetDevice method returns a handle to the framework device object that is associated with a specified DMA transaction.
DmaTransaction [in]A handle to a DMA transaction object that the driver obtained from a previous call to WdfDmaTransactionCreate.
WdfDmaTransactionGetDevice returns a handle to the framework device object that the driver specified when it called WdfDmaTransactionCreate.
A bug check occurs if the driver supplies an invalid object handle.
For more information about completing DMA transfers, see Completing a DMA Transfer.
The following code example obtains a handle to the framework device object that is associated with a specified DMA transaction.
WDFDEVICE device;
device = WdfDmaTransactionGetDevice(DmaTransaction);