42 static int zpci_bus_prepare_device(struct zpci_dev *zdev)  in zpci_bus_prepare_device()  argument
46 	if (!zdev_enabled(zdev)) {  in zpci_bus_prepare_device()
47 		rc = zpci_enable_device(zdev);  in zpci_bus_prepare_device()
50 		rc = zpci_dma_init_device(zdev);  in zpci_bus_prepare_device()
52 			zpci_disable_device(zdev);  in zpci_bus_prepare_device()
57 	if (!zdev->has_resources) {  in zpci_bus_prepare_device()
58 		zpci_setup_bus_resources(zdev);  in zpci_bus_prepare_device()
60 			if (zdev->bars[i].res)  in zpci_bus_prepare_device()
61 				pci_bus_add_resource(zdev->zbus->bus, zdev->bars[i].res, 0);  in zpci_bus_prepare_device()
75 int zpci_bus_scan_device(struct zpci_dev *zdev)  in zpci_bus_scan_device()  argument
80 	rc = zpci_bus_prepare_device(zdev);  in zpci_bus_scan_device()
84 	pdev = pci_scan_single_device(zdev->zbus->bus, zdev->devfn);  in zpci_bus_scan_device()
104 void zpci_bus_remove_device(struct zpci_dev *zdev, bool set_error)  in zpci_bus_remove_device()  argument
106 	struct zpci_bus *zbus = zdev->zbus;  in zpci_bus_remove_device()
109 	if (!zdev->zbus->bus)  in zpci_bus_remove_device()
112 	pdev = pci_get_slot(zbus->bus, zdev->devfn);  in zpci_bus_remove_device()
117 			zpci_iov_remove_virtfn(pdev, zdev->vfn);  in zpci_bus_remove_device()
139 	struct zpci_dev *zdev;  in zpci_bus_scan_bus()  local
143 		zdev = zbus->function[devfn];  in zpci_bus_scan_bus()
144 		if (zdev && zdev->state == ZPCI_FN_STATE_CONFIGURED) {  in zpci_bus_scan_bus()
145 			rc = zpci_bus_prepare_device(zdev);  in zpci_bus_scan_bus()
284 	struct zpci_dev *zdev = to_zpci(pdev);  in pcibios_bus_add_device()  local
290 	if (zdev->vfn) {  in pcibios_bus_add_device()
291 		zpci_iov_setup_virtfn(zdev->zbus, pdev, zdev->vfn);  in pcibios_bus_add_device()
296 static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev)  in zpci_bus_add_device()  argument
300 	if (zbus->function[zdev->devfn]) {  in zpci_bus_add_device()
301 		pr_err("devfn %04x is already assigned\n", zdev->devfn);  in zpci_bus_add_device()
305 	zdev->zbus = zbus;  in zpci_bus_add_device()
306 	zbus->function[zdev->devfn] = zdev;  in zpci_bus_add_device()
309 	if (zbus->multifunction && !zdev->rid_available) {  in zpci_bus_add_device()
313 	rc = zpci_init_slot(zdev);  in zpci_bus_add_device()
316 	zdev->has_hp_slot = 1;  in zpci_bus_add_device()
321 	zbus->function[zdev->devfn] = NULL;  in zpci_bus_add_device()
322 	zdev->zbus = NULL;  in zpci_bus_add_device()
327 int zpci_bus_device_register(struct zpci_dev *zdev, struct pci_ops *ops)  in zpci_bus_device_register()  argument
334 			zdev->fid, ZPCI_NR_DEVICES);  in zpci_bus_device_register()
338 	if (zdev->devfn >= ZPCI_FUNCTIONS_PER_BUS)  in zpci_bus_device_register()
341 	if (!s390_pci_no_rid && zdev->rid_available)  in zpci_bus_device_register()
342 		zbus = zpci_bus_get(zdev->pchid);  in zpci_bus_device_register()
345 		zbus = zpci_bus_alloc(zdev->pchid);  in zpci_bus_device_register()
355 		rc = zpci_bus_create_pci_bus(zbus, zdev, ops);  in zpci_bus_device_register()
360 	rc = zpci_bus_add_device(zbus, zdev);  in zpci_bus_device_register()
367 	pr_err("Adding PCI function %08x failed\n", zdev->fid);  in zpci_bus_device_register()
372 void zpci_bus_device_unregister(struct zpci_dev *zdev)  in zpci_bus_device_unregister()  argument
374 	struct zpci_bus *zbus = zdev->zbus;  in zpci_bus_device_unregister()
377 	zbus->function[zdev->devfn] = NULL;  in zpci_bus_device_unregister()