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);
zpci_zdev_put(struct zpci_dev * zdev)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 
zpci_zdev_get(struct zpci_dev * zdev)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 
zdev_from_bus(struct pci_bus * bus,unsigned int devfn)35 static inline struct zpci_dev *zdev_from_bus(struct pci_bus *bus,
36 					     unsigned int devfn)
37 {
38 	struct zpci_bus *zbus = bus->sysdata;
39 
40 	return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn];
41 }
42 
43