42 static int zpci_bus_prepare_device(struct zpci_dev *zdev)  in zpci_bus_prepare_device()  argument
48 	if (!zdev_enabled(zdev)) {  in zpci_bus_prepare_device()
49 		rc = zpci_enable_device(zdev);  in zpci_bus_prepare_device()
52 		rc = zpci_dma_init_device(zdev);  in zpci_bus_prepare_device()
54 			zpci_disable_device(zdev);  in zpci_bus_prepare_device()
59 	if (!zdev->has_resources) {  in zpci_bus_prepare_device()
60 		zpci_setup_bus_resources(zdev, &zdev->zbus->resources);  in zpci_bus_prepare_device()
61 		resource_list_for_each_entry_safe(window, n, &zdev->zbus->resources) {  in zpci_bus_prepare_device()
63 			pci_bus_add_resource(zdev->zbus->bus, res, 0);  in zpci_bus_prepare_device()
77 int zpci_bus_scan_device(struct zpci_dev *zdev)  in zpci_bus_scan_device()  argument
82 	rc = zpci_bus_prepare_device(zdev);  in zpci_bus_scan_device()
86 	pdev = pci_scan_single_device(zdev->zbus->bus, zdev->devfn);  in zpci_bus_scan_device()
92 	pci_bus_add_devices(zdev->zbus->bus);  in zpci_bus_scan_device()
107 void zpci_bus_remove_device(struct zpci_dev *zdev, bool set_error)  in zpci_bus_remove_device()  argument
109 	struct zpci_bus *zbus = zdev->zbus;  in zpci_bus_remove_device()
112 	if (!zdev->zbus->bus)  in zpci_bus_remove_device()
115 	pdev = pci_get_slot(zbus->bus, zdev->devfn);  in zpci_bus_remove_device()
120 			zpci_iov_remove_virtfn(pdev, zdev->vfn);  in zpci_bus_remove_device()
145 	struct zpci_dev *zdev;  in zpci_bus_scan_bus()  local
152 		zdev = zbus->function[devfn];  in zpci_bus_scan_bus()
153 		if (zdev && zdev->state == ZPCI_FN_STATE_CONFIGURED) {  in zpci_bus_scan_bus()
154 			rc = zpci_bus_prepare_device(zdev);  in zpci_bus_scan_bus()
294 	struct zpci_dev *zdev = to_zpci(pdev);  in pcibios_bus_add_device()  local
300 	if (zdev->vfn) {  in pcibios_bus_add_device()
301 		zpci_iov_setup_virtfn(zdev->zbus, pdev, zdev->vfn);  in pcibios_bus_add_device()
316 static int zpci_bus_create_hotplug_slots(struct zpci_dev *zdev)  in zpci_bus_create_hotplug_slots()  argument
318 	struct zpci_bus *zbus = zdev->zbus;  in zpci_bus_create_hotplug_slots()
321 	rc = zpci_init_slot(zdev);  in zpci_bus_create_hotplug_slots()
324 	zdev->has_hp_slot = 1;  in zpci_bus_create_hotplug_slots()
326 	if (zdev->devfn == 0 && zbus->multifunction) {  in zpci_bus_create_hotplug_slots()
333 			zdev = zbus->function[devfn];  in zpci_bus_create_hotplug_slots()
334 			if (zdev && !zdev->has_hp_slot) {  in zpci_bus_create_hotplug_slots()
335 				rc = zpci_init_slot(zdev);  in zpci_bus_create_hotplug_slots()
338 				zdev->has_hp_slot = 1;  in zpci_bus_create_hotplug_slots()
347 static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev)  in zpci_bus_add_device()  argument
351 	if (zbus->function[zdev->devfn]) {  in zpci_bus_add_device()
352 		pr_err("devfn %04x is already assigned\n", zdev->devfn);  in zpci_bus_add_device()
355 	zdev->zbus = zbus;  in zpci_bus_add_device()
356 	zbus->function[zdev->devfn] = zdev;  in zpci_bus_add_device()
360 		if (zbus->multifunction && !zdev->rid_available) {  in zpci_bus_add_device()
365 		zpci_bus_create_hotplug_slots(zdev);  in zpci_bus_add_device()
374 	zbus->function[zdev->devfn] = NULL;  in zpci_bus_add_device()
375 	zdev->zbus = NULL;  in zpci_bus_add_device()
380 int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops)  in zpci_bus_device_register()  argument
387 			zdev->fid, ZPCI_NR_DEVICES);  in zpci_bus_device_register()
391 	if (zdev->devfn >= ZPCI_FUNCTIONS_PER_BUS)  in zpci_bus_device_register()
394 	if (!s390_pci_no_rid && zdev->rid_available)  in zpci_bus_device_register()
395 		zbus = zpci_bus_get(zdev->pchid);  in zpci_bus_device_register()
398 		zbus = zpci_bus_alloc(zdev->pchid);  in zpci_bus_device_register()
403 	if (zdev->devfn == 0) {  in zpci_bus_device_register()
404 		rc = zpci_bus_create_pci_bus(zbus, zdev, ops);  in zpci_bus_device_register()
409 	rc = zpci_bus_add_device(zbus, zdev);  in zpci_bus_device_register()
416 	pr_err("Adding PCI function %08x failed\n", zdev->fid);  in zpci_bus_device_register()
421 void zpci_bus_device_unregister(struct zpci_dev *zdev)  in zpci_bus_device_unregister()  argument
423 	struct zpci_bus *zbus = zdev->zbus;  in zpci_bus_device_unregister()
426 	zbus->function[zdev->devfn] = NULL;  in zpci_bus_device_unregister()