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-rw-r--r--arch/s390/pci/pci_bus.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/s390/pci/pci_bus.h b/arch/s390/pci/pci_bus.h
new file mode 100644
index 0000000000..af9f0ac79a
--- /dev/null
+++ b/arch/s390/pci/pci_bus.h
@@ -0,0 +1,42 @@
+/* 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_scan_bus(struct zpci_bus *zbus);
+void zpci_bus_scan_busses(void);
+
+int zpci_bus_scan_device(struct zpci_dev *zdev);
+void zpci_bus_remove_device(struct zpci_dev *zdev, bool set_error);
+
+void zpci_release_device(struct kref *kref);
+static inline void zpci_zdev_put(struct zpci_dev *zdev)
+{
+ if (zdev)
+ kref_put(&zdev->kref, zpci_release_device);
+}
+
+static inline void zpci_zdev_get(struct zpci_dev *zdev)
+{
+ kref_get(&zdev->kref);
+}
+
+int zpci_alloc_domain(int domain);
+void zpci_free_domain(int domain);
+int zpci_setup_bus_resources(struct zpci_dev *zdev);
+
+static inline struct zpci_dev *zdev_from_bus(struct pci_bus *bus,
+ unsigned int devfn)
+{
+ struct zpci_bus *zbus = bus->sysdata;
+
+ return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn];
+}
+