D27229.id.diff
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	Index: head/sys/dev/iommu/iommu.h
	===================================================================
	--- head/sys/dev/iommu/iommu.h
	+++ head/sys/dev/iommu/iommu.h
	@@ -67,6 +67,7 @@

	struct iommu_unit {
	struct mtx lock;
	+ device_t dev;
	int unit;

	int dma_enabled;
	Index: head/sys/x86/iommu/intel_drv.c
	===================================================================
	--- head/sys/x86/iommu/intel_drv.c
	+++ head/sys/x86/iommu/intel_drv.c
	@@ -411,6 +411,7 @@
	unit = device_get_softc(dev);
	unit->dev = dev;
	unit->iommu.unit = device_get_unit(dev);
	+ unit->iommu.dev = dev;
	dmaru = dmar_find_by_index(unit->iommu.unit);
	if (dmaru == NULL)
	return (EINVAL);