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	* SUCH DAMAGE.			* SUCH DAMAGE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef __X86_IOMMU_BUSDMA_DMAR_H			#ifndef __X86_IOMMU_BUSDMA_DMAR_H
	#define __X86_IOMMU_BUSDMA_DMAR_H			#define __X86_IOMMU_BUSDMA_DMAR_H

	struct dmar_map_entry;			#include <sys/iommu.h>
	TAILQ_HEAD(dmar_map_entries_tailq, dmar_map_entry);

	struct bus_dma_tag_dmar {			struct bus_dma_tag_iommu {
	struct bus_dma_tag_common common;			struct bus_dma_tag_common common;
	struct dmar_ctx *ctx;			struct iommu_ctx *ctx;
	device_t owner;			device_t owner;
	int map_count;			int map_count;
	bus_dma_segment_t *segments;			bus_dma_segment_t *segments;
	};			};

	struct bus_dmamap_dmar {			struct bus_dmamap_iommu {
	struct bus_dma_tag_dmar *tag;			struct bus_dma_tag_iommu *tag;
	struct memdesc mem;			struct memdesc mem;
	bus_dmamap_callback_t *callback;			bus_dmamap_callback_t *callback;
	void *callback_arg;			void *callback_arg;
	struct dmar_map_entries_tailq map_entries;			struct iommu_map_entries_tailq map_entries;
	TAILQ_ENTRY(bus_dmamap_dmar) delay_link;			TAILQ_ENTRY(bus_dmamap_iommu) delay_link;
	bool locked;			bool locked;
	bool cansleep;			bool cansleep;
	int flags;			int flags;
	};			};

	#define BUS_DMAMAP_DMAR_MALLOC 0x0001			#define BUS_DMAMAP_IOMMU_MALLOC 0x0001
	#define BUS_DMAMAP_DMAR_KMEM_ALLOC 0x0002			#define BUS_DMAMAP_IOMMU_KMEM_ALLOC 0x0002

	extern struct bus_dma_impl bus_dma_dmar_impl;			extern struct bus_dma_impl bus_dma_iommu_impl;

	bus_dma_tag_t acpi_iommu_get_dma_tag(device_t dev, device_t child);			bus_dma_tag_t acpi_iommu_get_dma_tag(device_t dev, device_t child);

	#endif			#endif