Differential D25743 Diff 74905 head/sys/dev/iommu/iommu.h

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head/sys/dev/iommu/iommu.h

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	typedef uint64_t iommu_haddr_t;			typedef uint64_t iommu_haddr_t;
	/* Guest or bus address, before translation. */			/* Guest or bus address, before translation. */
	typedef uint64_t iommu_gaddr_t;			typedef uint64_t iommu_gaddr_t;

	struct bus_dma_tag_common;			struct bus_dma_tag_common;
	struct iommu_map_entry;			struct iommu_map_entry;
	TAILQ_HEAD(iommu_map_entries_tailq, iommu_map_entry);			TAILQ_HEAD(iommu_map_entries_tailq, iommu_map_entry);

				RB_HEAD(iommu_gas_entries_tree, iommu_map_entry);
				RB_PROTOTYPE(iommu_gas_entries_tree, iommu_map_entry, rb_entry,
				iommu_gas_cmp_entries);

	struct iommu_qi_genseq {			struct iommu_qi_genseq {
	u_int gen;			u_int gen;
	uint32_t seq;			uint32_t seq;
	};			};

	struct iommu_map_entry {			struct iommu_map_entry {
	iommu_gaddr_t start;			iommu_gaddr_t start;
	iommu_gaddr_t end;			iommu_gaddr_t end;
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	struct iommu_domain {			struct iommu_domain {
	struct iommu_unit iommu; / (c) */			struct iommu_unit iommu; / (c) */
	struct mtx lock; /* (c) */			struct mtx lock; /* (c) */
	struct task unload_task; /* (c) */			struct task unload_task; /* (c) */
	u_int entries_cnt; /* (d) */			u_int entries_cnt; /* (d) */
	struct iommu_map_entries_tailq unload_entries; /* (d) Entries to			struct iommu_map_entries_tailq unload_entries; /* (d) Entries to
	unload */			unload */
				struct iommu_gas_entries_tree rb_root; /* (d) */
				iommu_gaddr_t end; /* (c) Highest address + 1 in
				the guest AS */
				struct iommu_map_entry first_place, last_place; /* (d) */
				u_int flags; /* (u) */
	};			};

	struct iommu_ctx {			struct iommu_ctx {
	struct iommu_domain domain; / (c) */			struct iommu_domain domain; / (c) */
	struct bus_dma_tag_iommu tag; / (c) Root tag */			struct bus_dma_tag_iommu tag; / (c) Root tag */
	u_long loads; /* atomic updates, for stat only */			u_long loads; /* atomic updates, for stat only */
	u_long unloads; /* same */			u_long unloads; /* same */
	u_int flags; /* (u) */			u_int flags; /* (u) */
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