PCI_PASID_CTRL
pci_write_config_word(pdev, pasid + PCI_PASID_CTRL, control);
pci_write_config_word(pdev, pasid + PCI_PASID_CTRL, control);
pci_write_config_word(pdev, pasid + PCI_PASID_CTRL, control);
pci_read_config_word(pdev, pasid + PCI_PASID_CTRL, &ctrl);