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# DMAOutputSegmentType

The size and endianness that the system uses for direct memory access (DMA).

```
typedef enum DMAOutputSegmentType : uint16_t { ... } DMAOutputSegmentType;
```

## Topics

### Segment types

[`kDMAOutputSegmentBig32`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentBig32)

A constant representing big-endian 32-bit DMA segments.

[`kDMAOutputSegmentBig64`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentBig64)

A constant representing big-endian 64-bit DMA segments.

[`kDMAOutputSegmentHost32`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentHost32)

A constant representing 32-bit DMA segments with host-native endianness.

[`kDMAOutputSegmentHost64`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentHost64)

A constant representing 64-bit DMA segments with host-native endianness.

[`kDMAOutputSegmentLittle32`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentLittle32)

A constant representing little-endian 32-bit DMA segments.

[`kDMAOutputSegmentLittle64`](/documentation/SCSIControllerDriverKit/DMAOutputSegmentType/kDMAOutputSegmentLittle64)

A constant representing little-endian 64-bit DMA segments.


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