265  * whether the features are actually supported by the device and returns
270 	u16 control, supported;  in pci_enable_pasid()  local
283 	pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);  in pci_enable_pasid()
284 	supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;  in pci_enable_pasid()
287 	if ((supported & features) != features)  in pci_enable_pasid()
345  * pci_pasid_features - Check which PASID features are supported
349  * Otherwise is returns a bitmask with supported features. Current
351  * PCI_PASID_CAP_EXEC - Execute permission supported
352  * PCI_PASID_CAP_PRIV - Privileged mode supported
356 	u16 supported;  in pci_pasid_features()  local
363 	pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);  in pci_pasid_features()
365 	supported &= PCI_PASID_CAP_EXEC | PCI_PASID_CAP_PRIV;  in pci_pasid_features()
367 	return supported;  in pci_pasid_features()
374  * pci_max_pasid - Get maximum number of PASIDs supported by device
378  * Otherwise it returns the numer of supported PASIDs.
382 	u16 supported;  in pci_max_pasids()  local
389 	pci_read_config_word(pdev, pos + PCI_PASID_CAP, &supported);  in pci_max_pasids()
391 	supported = (supported & PASID_NUMBER_MASK) >> PASID_NUMBER_SHIFT;  in pci_max_pasids()
393 	return (1 << supported);  in pci_max_pasids()