LPOALFreeCommonBuffer (Windows Embedded CE 6.0)
1/6/2010
This function frees a common buffer allocated by LPOALAllocateCommonBuffer, along with all resources the buffer uses. A similar function is HalFreeCommonBuffer.
Syntax
typedef BOOL (* LPOALFreeCommoneBuffer)(
PDMA_PDD_ADAPTER_CONTEXT lpPddAdapterContext,
PCE_DMA_ADAPTER DmaAdapter,
ULONG Length,
PHYSICAL_ADDRESS LogicalAddress,
PVOID VirtualAddress,
BOOLEAN CacheEnabled
);
Parameters
- lpPddAdapterContext
[in] Pointer to a DMA_PDD_ADAPTER_CONTEXT structure.
- DmaAdapter
[in] Pointer to a CE_DMA_ADAPTER structure.
- Length
[in] Size of buffer to allocate.
- LogicalAddress
[in] Pointer to the bus-relative, logical address buffer used by the DMA controller on the specified bus.
- VirtualAddress
[in] Pointer to virtual address buffer.
- CacheEnabled
[in] Ignored. The buffer returned is always at an uncached virtual address.
Return Value
Returns TRUE on success. Returns FALSE if an error occurs.
Requirements
| Header | dmamif.h |
| Windows Embedded CE | Windows Embedded CE 6.0 and later |