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HalFreeCommonBuffer

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This function frees a common buffer allocated by HalAllocateCommonBuffer, along with all resources the buffer uses.

VOID HalFreeCommonBuffer(
  PDMA_ADAPTER_OBJECT DmaAdapter,
  ULONG Length,
  PHYSICAL_ADDRESS LogicalAddress,
  PVOID VirtualAddress,
  BOOLEAN CacheEnabled
);

Parameters

  • DmaAdapter
    [in] Pointer to DMA adapter descriptor, DMA_ADAPTER_OBJECT.
  • Length
    [in] Size of buffer to allocate.
  • LogicalAddress
    [in] Pointer to the bus-relative, logical address buffer.
  • VirtualAddress
    [in] Pointer to virtual address buffer.
  • CacheEnabled
    [in] Flag to choose cached or uncached buffer allocation.

Return Values

None.

Remarks

The only required parameter is VirtualAddress, which points to the allocated buffer.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: CEDDK.h.
Link Library: CEDDK.lib.

See Also

DMA_ADAPTER_OBJECT | HalAllocateCommonBuffer | Implementing CEDDK.dll | Direct Memory Access

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.