Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright IBM Corp. 2020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Author(s):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *   Pierre Morel <pmorel@linux.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) void zpci_bus_device_unregister(struct zpci_dev *zdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) void zpci_release_device(struct kref *kref);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static inline void zpci_zdev_put(struct zpci_dev *zdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	kref_put(&zdev->kref, zpci_release_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static inline void zpci_zdev_get(struct zpci_dev *zdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	kref_get(&zdev->kref);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int zpci_alloc_domain(int domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) void zpci_free_domain(int domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int zpci_setup_bus_resources(struct zpci_dev *zdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			     struct list_head *resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 					       unsigned int devfn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	struct zpci_bus *zbus = bus->sysdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)