331  * pci_pri_supported - Check if PRI is supported.
358  * whether the features are actually supported by the device and returns
363 	u16 control, supported;  in pci_enable_pasid()  local
385 	pci_read_config_word(pdev, pasid + PCI_PASID_CAP, &supported);  in pci_enable_pasid()
386 	supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;  in pci_enable_pasid()
389 	if ((supported & features) != features)  in pci_enable_pasid()
451  * pci_pasid_features - Check which PASID features are supported
455  * Otherwise is returns a bitmask with supported features. Current
457  * PCI_PASID_CAP_EXEC - Execute permission supported
458  * PCI_PASID_CAP_PRIV - Privileged mode supported
462 	u16 supported;  in pci_pasid_features()  local
472 	pci_read_config_word(pdev, pasid + PCI_PASID_CAP, &supported);  in pci_pasid_features()
474 	supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;  in pci_pasid_features()
476 	return supported;  in pci_pasid_features()
483  * pci_max_pasid - Get maximum number of PASIDs supported by device
487  * Otherwise it returns the number of supported PASIDs.
491 	u16 supported;  in pci_max_pasids()  local
501 	pci_read_config_word(pdev, pasid + PCI_PASID_CAP, &supported);  in pci_max_pasids()
503 	supported = (supported & PASID_NUMBER_MASK) >> PASID_NUMBER_SHIFT;  in pci_max_pasids()
505 	return (1 << supported);  in pci_max_pasids()