LXR linux/arch/s390/pci/pci

   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        kref_put(&zdev->kref, zpci_release_device);
  23}
  24
  25static inline void zpci_zdev_get(struct zpci_dev *zdev)
  26{
  27        kref_get(&zdev->kref);
  28}
  29
  30int zpci_alloc_domain(int domain);
  31void zpci_free_domain(int domain);
  32int zpci_setup_bus_resources(struct zpci_dev *zdev,
  33                             struct list_head *resources);
  34
  35static inline struct zpci_dev *get_zdev_by_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