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The DMA_RANGE structure specifies a resource requirements list that describes DMA channel usage for a device instance. For more information about resource requirements lists, see Hardware Resources.
Syntax
typedef struct DMA_Range_s {
ULONG DR_Min;
ULONG DR_Max;
ULONG DR_Flags;
} DMA_RANGE, *PDMA_RANGE;
Members
DR_Min
The lowest-numbered DMA channel that can be allocated to the device.
DR_Max
The highest-numbered DMA channel that can be allocated to the device.
DR_Flags
One bit flag from DMA_DES structure.
Requirements
| Requirement | Value |
|---|---|
| Header | cfgmgr32.h (include Cfgmgr32.h) |