pci_pri_supported
if (pci_pri_supported(pdev))
ecap_pds(iommu->ecap) && pci_pri_supported(pdev))
return (!pdev->is_virtfn || !pci_pri_supported(pdev));
EXPORT_SYMBOL_GPL(pci_pri_supported);
bool pci_pri_supported(struct pci_dev *pdev);