/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2020 * * Author(s): * Pierre Morel <pmorel@linux.ibm.com> * */ int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops); void zpci_bus_device_unregister(struct zpci_dev *zdev); int zpci_bus_init(void); void zpci_release_device(struct kref *kref); static inline void zpci_zdev_put(struct zpci_dev *zdev) { kref_put(&zdev->kref, zpci_release_device); } int zpci_alloc_domain(int domain); void zpci_free_domain(int domain); int zpci_setup_bus_resources(struct zpci_dev *zdev, struct list_head *resources); static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus, unsigned int devfn) { struct zpci_bus *zbus = bus->sysdata; return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn]; } #ifdef CONFIG_PCI_IOV static inline void zpci_remove_virtfn(struct pci_dev *pdev, int vfn) { pci_lock_rescan_remove(); /* Linux' vfid's start at 0 vfn at 1 */ pci_iov_remove_virtfn(pdev->physfn, vfn - 1); pci_unlock_rescan_remove(); } #else /* CONFIG_PCI_IOV */ static inline void zpci_remove_virtfn(struct pci_dev *pdev, int vfn) {} #endif /* CONFIG_PCI_IOV */