Function dmar_enable_translation

freebsd/x86/iommu/intel_utils.c:493–504

}

int
dmar_enable_translation(struct dmar_unit *unit)
{
	int error;

	DMAR_ASSERT_LOCKED(unit);
	unit->hw_gcmd |= DMAR_GCMD_TE;
	dmar_write4(unit, DMAR_GCMD_REG, unit->hw_gcmd);
	DMAR_WAIT_UNTIL(((dmar_read4(unit, DMAR_GSTS_REG) & DMAR_GSTS_TES)
	    != 0));
	return (error);
}

int
dmar_disable_translation(struct dmar_unit *unit)