|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  |  | 
|  | #ifndef __XEN_PCI_H__ | 
|  | #define __XEN_PCI_H__ | 
|  |  | 
|  | #if defined(CONFIG_XEN_DOM0) | 
|  | int xen_find_device_domain_owner(struct pci_dev *dev); | 
|  | int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain); | 
|  | int xen_unregister_device_domain_owner(struct pci_dev *dev); | 
|  | #else | 
|  | static inline int xen_find_device_domain_owner(struct pci_dev *dev) | 
|  | { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | static inline int xen_register_device_domain_owner(struct pci_dev *dev, | 
|  | uint16_t domain) | 
|  | { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | static inline int xen_unregister_device_domain_owner(struct pci_dev *dev) | 
|  | { | 
|  | return -1; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif |