IDmaChannelSlave::Stop method (portcls.h)
The Stop method stops a subordinate DMA object that was started by a previous call to IDmaChannelSlave::Start.
Syntax
NTSTATUS Stop();
Return value
The stop method returns NTSTATUS. It returns STATUS_SUCCESS if the call was successful. Otherwise, the method returns an appropriate error code.
Remarks
Note
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This call flushes any data remaining in the DMA controller's internal cache at the time that the DMA transfer operation is stopped.
Requirements
| Requirement | Value |
|---|---|
| Header | portcls.h |
| IRQL | <=DISPATCH_LEVEL |