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
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
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