22 #define VIRTFN_ID_LEN	17	/* "virtfn%u\0" for 2^32 - 1 */
182 static void pci_read_vf_config_common(struct pci_dev *virtfn)  in pci_read_vf_config_common()  argument
184 	struct pci_dev *physfn = virtfn->physfn;  in pci_read_vf_config_common()
195 	pci_read_config_dword(virtfn, PCI_CLASS_REVISION,  in pci_read_vf_config_common()
197 	pci_read_config_byte(virtfn, PCI_HEADER_TYPE,  in pci_read_vf_config_common()
199 	pci_read_config_word(virtfn, PCI_SUBSYSTEM_VENDOR_ID,  in pci_read_vf_config_common()
201 	pci_read_config_word(virtfn, PCI_SUBSYSTEM_ID,  in pci_read_vf_config_common()
206 		struct pci_dev *virtfn, int id)  in pci_iov_sysfs_link()  argument
211 	sprintf(buf, "virtfn%u", id);  in pci_iov_sysfs_link()
212 	rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf);  in pci_iov_sysfs_link()
215 	rc = sysfs_create_link(&virtfn->dev.kobj, &dev->dev.kobj, "physfn");  in pci_iov_sysfs_link()
219 	kobject_uevent(&virtfn->dev.kobj, KOBJ_CHANGE);  in pci_iov_sysfs_link()
318 	struct pci_dev *virtfn;  in pci_iov_scan_device()  local
321 	virtfn = pci_alloc_dev(bus);  in pci_iov_scan_device()
322 	if (!virtfn)  in pci_iov_scan_device()
325 	virtfn->devfn = pci_iov_virtfn_devfn(dev, id);  in pci_iov_scan_device()
326 	virtfn->vendor = dev->vendor;  in pci_iov_scan_device()
327 	virtfn->device = iov->vf_device;  in pci_iov_scan_device()
328 	virtfn->is_virtfn = 1;  in pci_iov_scan_device()
329 	virtfn->physfn = pci_dev_get(dev);  in pci_iov_scan_device()
330 	virtfn->no_command_memory = 1;  in pci_iov_scan_device()
333 		pci_read_vf_config_common(virtfn);  in pci_iov_scan_device()
335 	rc = pci_setup_device(virtfn);  in pci_iov_scan_device()
338 		pci_bus_put(virtfn->bus);  in pci_iov_scan_device()
339 		kfree(virtfn);  in pci_iov_scan_device()
343 	return virtfn;  in pci_iov_scan_device()
349 	struct pci_dev *virtfn;  in pci_iov_add_virtfn()  local
360 	virtfn = pci_iov_scan_device(dev, id, bus);  in pci_iov_add_virtfn()
361 	if (IS_ERR(virtfn)) {  in pci_iov_add_virtfn()
362 		rc = PTR_ERR(virtfn);  in pci_iov_add_virtfn()
366 	virtfn->dev.parent = dev->dev.parent;  in pci_iov_add_virtfn()
367 	virtfn->multifunction = 0;  in pci_iov_add_virtfn()
375 		virtfn->resource[i].name = pci_name(virtfn);  in pci_iov_add_virtfn()
376 		virtfn->resource[i].flags = res->flags;  in pci_iov_add_virtfn()
378 		resource_set_range(&virtfn->resource[i],  in pci_iov_add_virtfn()
380 		rc = request_resource(res, &virtfn->resource[i]);  in pci_iov_add_virtfn()
384 	pci_device_add(virtfn, virtfn->bus);  in pci_iov_add_virtfn()
385 	rc = pci_iov_sysfs_link(dev, virtfn, id);  in pci_iov_add_virtfn()
389 	pci_bus_add_device(virtfn);  in pci_iov_add_virtfn()
394 	pci_stop_and_remove_bus_device(virtfn);  in pci_iov_add_virtfn()
406 	struct pci_dev *virtfn;  in pci_iov_remove_virtfn()  local
408 	virtfn = pci_get_domain_bus_and_slot(pci_domain_nr(dev->bus),  in pci_iov_remove_virtfn()
411 	if (!virtfn)  in pci_iov_remove_virtfn()
414 	sprintf(buf, "virtfn%u", id);  in pci_iov_remove_virtfn()
417 	 * pci_stop_dev() could have been called for this virtfn already,  in pci_iov_remove_virtfn()
418 	 * so the directory for the virtfn may have been removed before.  in pci_iov_remove_virtfn()
421 	if (virtfn->dev.kobj.sd)  in pci_iov_remove_virtfn()
422 		sysfs_remove_link(&virtfn->dev.kobj, "physfn");  in pci_iov_remove_virtfn()
424 	pci_stop_and_remove_bus_device(virtfn);  in pci_iov_remove_virtfn()
425 	virtfn_remove_bus(dev->bus, virtfn->bus);  in pci_iov_remove_virtfn()
428 	pci_dev_put(virtfn);  in pci_iov_remove_virtfn()