// wdm.h

typedef enum _IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE {
  IommuDmaLogicalAllocatorNone,
  IommuDmaLogicalAllocatorBuddy,
  IommuDmaLogicalAllocatorMax
} IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE, *PIOMMU_DMA_LOGICAL_ALLOCATOR_TYPE;
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Windows Driver Kit DDI reference (ne-wdm-iommu_dma_logical_allocator_type)

Description

The IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE enum indicates the type of logical allocator described in an IOMMU_DMA_LOGICAL_ALLOCATOR_CONFIG structure.

Constants

`IommuDmaLogicalAllocatorNone`

The logical allocator configuration does not describe any logical allocator type.

`IommuDmaLogicalAllocatorBuddy`

The logical allocator configuration describes the system's Buddy Allocator.

`IommuDmaLogicalAllocatorMax`

Invalid logical allocator type.

Remarks

For more information about the different logical allocator types available, see the Remarks section of IOMMU_DMA_LOGICAL_ALLOCATOR_CONFIG.

IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE - NtDoc