dmar_enable_qi 2975 drivers/iommu/intel-iommu.c if (dmar_enable_qi(iommu)) { dmar_enable_qi 591 drivers/iommu/intel_irq_remapping.c if (dmar_enable_qi(iommu)) { dmar_enable_qi 639 include/linux/intel-iommu.h extern int dmar_enable_qi(struct intel_iommu *iommu);