1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright IBM Corp. 2020 4 * 5 * Author(s): 6 * Pierre Morel <pmorel@linux.ibm.com> 7 * 8 */ 9 10int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops); 11void zpci_bus_device_unregister(struct zpci_dev *zdev); 12 13void zpci_release_device(struct kref *kref); 14static inline void zpci_zdev_put(struct zpci_dev *zdev) 15{ 16 if (zdev) 17 kref_put(&zdev->kref, zpci_release_device); 18} 19 20static inline void zpci_zdev_get(struct zpci_dev *zdev) 21{ 22 kref_get(&zdev->kref); 23} 24 25int zpci_alloc_domain(int domain); 26void zpci_free_domain(int domain); 27int zpci_setup_bus_resources(struct zpci_dev *zdev, 28 struct list_head *resources); 29 30static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus, 31 unsigned int devfn) 32{ 33 struct zpci_bus *zbus = bus->sysdata; 34 35 return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn]; 36} 37 38