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
13int zpci_bus_scan_bus(struct zpci_bus *zbus);
14void zpci_bus_scan_busses(void);
15
16int zpci_bus_scan_device(struct zpci_dev *zdev);
17void zpci_bus_remove_device(struct zpci_dev *zdev, bool set_error);
18
19void zpci_release_device(struct kref *kref);
20static inline void zpci_zdev_put(struct zpci_dev *zdev)
21{
22	if (zdev)
23		kref_put(&zdev->kref, zpci_release_device);
24}
25
26static inline void zpci_zdev_get(struct zpci_dev *zdev)
27{
28	kref_get(&zdev->kref);
29}
30
31int zpci_alloc_domain(int domain);
32void zpci_free_domain(int domain);
33int zpci_setup_bus_resources(struct zpci_dev *zdev,
34			     struct list_head *resources);
35
36static 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