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	void iommu_domain_init(struct iommu_unit unit, struct iommu_domain domain,			void iommu_domain_init(struct iommu_unit unit, struct iommu_domain domain,
	const struct iommu_domain_map_ops *ops);			const struct iommu_domain_map_ops *ops);
	void iommu_domain_fini(struct iommu_domain *domain);			void iommu_domain_fini(struct iommu_domain *domain);

	bool bus_dma_iommu_set_buswide(device_t dev);			bool bus_dma_iommu_set_buswide(device_t dev);
	int bus_dma_iommu_load_ident(bus_dma_tag_t dmat, bus_dmamap_t map,			int bus_dma_iommu_load_ident(bus_dma_tag_t dmat, bus_dmamap_t map,
	vm_paddr_t start, vm_size_t length, int flags);			vm_paddr_t start, vm_size_t length, int flags);

				bus_dma_tag_t iommu_get_dma_tag(device_t dev, device_t child);

	SYSCTL_DECL(_hw_iommu);			SYSCTL_DECL(_hw_iommu);

	#endif /* !_SYS_IOMMU_H_ */			#endif /* !_SYS_IOMMU_H_ */