On 19 Oct 2020, at 14:10, Ruslan Bukin <br at FreeBSD.org> wrote: > > +#ifndef _DEV_IOMMU_IOMMU_MSI_H_ > +#define _DEV_IOMMU_IOMMU_MSI_H_ > + > +#include <dev/iommu/iommu_types.h> > + > +struct iommu_unit; This seems unused, perhaps left from a previous patch version? Jess