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This function fills a block of memory that was mapped with a preceding call to the NdisMMapIoSpacefunction with 0s.
VOID NdisZeroMappedMemory( IN PVOID Destination , IN ULONG Length );
Parameters
- Destination
- Specifies the base virtual address of a block of mapped memory.
- Length
- Specifies the number of bytes to be filled with 0s.
Remarks
An NIC driver can call this function to 0-initialize mapped device memory. The given Destinationand Lengthmust be a proper subrange of the range specified when the driver called the NdisMMapIoSpacefunction.
This function is optimized, and an NIC driver can call this function any time that it needs to clear a mapped memory range.
A driver that calls this function can run at any IRQL.
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 2.0 and later Ndis.h Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
NdisMMapIoSpace, NdisZeroMemory
Last updated on Tuesday, July 13, 2004