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 int zpci_bus_scan_bus(struct zpci_bus *zbus); 14 void zpci_bus_scan_busses(void); 15 16 int zpci_bus_scan_device(struct zpci_dev *zdev); 17 void zpci_bus_remove_device(struct zpci_dev *zdev, bool set_error); 18 19 void zpci_release_device(struct kref *kref); 20 static inline void zpci_zdev_put(struct zpci_dev *zdev) 21 { 22 if (zdev) 23 kref_put(&zdev->kref, zpci_release_device); 24 } 25 26 static inline void zpci_zdev_get(struct zpci_dev *zdev) 27 { 28 kref_get(&zdev->kref); 29 } 30 31 int zpci_alloc_domain(int domain); 32 void zpci_free_domain(int domain); 33 int zpci_setup_bus_resources(struct zpci_dev *zdev, 34 struct list_head *resources); 35 36 static inline struct zpci_dev *zdev_from_bus(struct pci_bus *bus, 37 unsigned int devfn) 38 { 39 struct zpci_bus *zbus = bus->sysdata; 40 41 return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn]; 42 } 43 44