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 10 int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops); 11 void zpci_bus_device_unregister(struct zpci_dev *zdev); 12 13 void zpci_release_device(struct kref *kref); 14 static inline void zpci_zdev_put(struct zpci_dev *zdev) 15 { 16 kref_put(&zdev->kref, zpci_release_device); 17 } 18 19 int zpci_alloc_domain(int domain); 20 void zpci_free_domain(int domain); 21 int zpci_setup_bus_resources(struct zpci_dev *zdev, 22 struct list_head *resources); 23 24 static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus, 25 unsigned int devfn) 26 { 27 struct zpci_bus *zbus = bus->sysdata; 28 29 return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn]; 30 } 31 32