Microsoft Windows CE 3.0  

NdisMUpdateSharedMemory

Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

This function ensures that data that has just transferred from a busmaster network card and is about to be read from driver-allocated shared memory is current.

VOID NdisMUpdateSharedMemory(
IN NDIS_HANDLE
MiniportAdapterHandle
,
IN ULONG
Length
,
IN PVOID
VirtualAddress
,
IN NDIS_PHYSICAL_ADDRESS
PhysicalAddress
);

Parameters

MiniportAdapterHandle
Handle originally input to the MiniportInitializefunction.
Length
Specifies the number of bytes in the range.
VirtualAddress
Specifies the base virtual address within a range returned by the NdisMAllocateSharedMemoryor the NdisMAllocateSharedMemoryAsyncfunction.
PhysicalAddress
Specifies the physical address mapped to VirtualAddress.

Remarks

Windows CE does not support direct memory access (DMA) at this time. The Windows CE version of this function is a stub that does no work. When Windows CE does support DMA, this function will be more fully implemented.

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.


 Last updated on Tuesday, July 13, 2004

© 2004 Microsoft Corporation. All rights reserved.