22 static struct nsim_bus_dev *to_nsim_bus_dev(struct device *dev)  in to_nsim_bus_dev()
24 	return container_of(dev, struct nsim_bus_dev, dev);  in to_nsim_bus_dev()
27 static int nsim_bus_dev_vfs_enable(struct nsim_bus_dev *nsim_bus_dev,  in nsim_bus_dev_vfs_enable()  argument
30 	nsim_bus_dev->vfconfigs = kcalloc(num_vfs,  in nsim_bus_dev_vfs_enable()
33 	if (!nsim_bus_dev->vfconfigs)  in nsim_bus_dev_vfs_enable()
35 	nsim_bus_dev->num_vfs = num_vfs;  in nsim_bus_dev_vfs_enable()
40 static void nsim_bus_dev_vfs_disable(struct nsim_bus_dev *nsim_bus_dev)  in nsim_bus_dev_vfs_disable()  argument
42 	kfree(nsim_bus_dev->vfconfigs);  in nsim_bus_dev_vfs_disable()
43 	nsim_bus_dev->vfconfigs = NULL;  in nsim_bus_dev_vfs_disable()
44 	nsim_bus_dev->num_vfs = 0;  in nsim_bus_dev_vfs_disable()
51 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_bus_dev_numvfs_store()  local
60 	if (nsim_bus_dev->num_vfs == num_vfs)  in nsim_bus_dev_numvfs_store()
62 	if (nsim_bus_dev->num_vfs && num_vfs) {  in nsim_bus_dev_numvfs_store()
68 		ret = nsim_bus_dev_vfs_enable(nsim_bus_dev, num_vfs);  in nsim_bus_dev_numvfs_store()
72 		nsim_bus_dev_vfs_disable(nsim_bus_dev);  in nsim_bus_dev_numvfs_store()
86 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_bus_dev_numvfs_show()  local
88 	return sprintf(buf, "%u\n", nsim_bus_dev->num_vfs);  in nsim_bus_dev_numvfs_show()
99 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in new_port_store()  local
106 	if (!smp_load_acquire(&nsim_bus_dev->init))  in new_port_store()
114 	mutex_lock(&nsim_bus_dev->nsim_bus_reload_lock);  in new_port_store()
116 	ret = nsim_dev_port_add(nsim_bus_dev, port_index);  in new_port_store()
118 	mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock);  in new_port_store()
128 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in del_port_store()  local
135 	if (!smp_load_acquire(&nsim_bus_dev->init))  in del_port_store()
143 	mutex_lock(&nsim_bus_dev->nsim_bus_reload_lock);  in del_port_store()
145 	ret = nsim_dev_port_del(nsim_bus_dev, port_index);  in del_port_store()
147 	mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock);  in del_port_store()
171 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_bus_dev_release()  local
173 	nsim_bus_dev_vfs_disable(nsim_bus_dev);  in nsim_bus_dev_release()
181 static struct nsim_bus_dev *
187 	struct nsim_bus_dev *nsim_bus_dev;  in new_device_store()  local
215 	nsim_bus_dev = nsim_bus_dev_new(id, port_count);  in new_device_store()
216 	if (IS_ERR(nsim_bus_dev)) {  in new_device_store()
217 		err = PTR_ERR(nsim_bus_dev);  in new_device_store()
222 	smp_store_release(&nsim_bus_dev->init, true);  in new_device_store()
224 	list_add_tail(&nsim_bus_dev->list, &nsim_bus_dev_list);  in new_device_store()
234 static void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev);
239 	struct nsim_bus_dev *nsim_bus_dev, *tmp;  in del_device_store()  local
263 	list_for_each_entry_safe(nsim_bus_dev, tmp, &nsim_bus_dev_list, list) {  in del_device_store()
264 		if (nsim_bus_dev->dev.id != id)  in del_device_store()
266 		list_del(&nsim_bus_dev->list);  in del_device_store()
267 		nsim_bus_dev_del(nsim_bus_dev);  in del_device_store()
285 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_bus_probe()  local
287 	return nsim_dev_probe(nsim_bus_dev);  in nsim_bus_probe()
292 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_bus_remove()  local
294 	nsim_dev_remove(nsim_bus_dev);  in nsim_bus_remove()
300 	struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);  in nsim_num_vf()  local
302 	return nsim_bus_dev->num_vfs;  in nsim_num_vf()
314 static struct nsim_bus_dev *
317 	struct nsim_bus_dev *nsim_bus_dev;  in nsim_bus_dev_new()  local
320 	nsim_bus_dev = kzalloc(sizeof(*nsim_bus_dev), GFP_KERNEL);  in nsim_bus_dev_new()
321 	if (!nsim_bus_dev)  in nsim_bus_dev_new()
327 	nsim_bus_dev->dev.id = err;  in nsim_bus_dev_new()
328 	nsim_bus_dev->dev.bus = &nsim_bus;  in nsim_bus_dev_new()
329 	nsim_bus_dev->dev.type = &nsim_bus_dev_type;  in nsim_bus_dev_new()
330 	nsim_bus_dev->port_count = port_count;  in nsim_bus_dev_new()
331 	nsim_bus_dev->initial_net = current->nsproxy->net_ns;  in nsim_bus_dev_new()
332 	mutex_init(&nsim_bus_dev->nsim_bus_reload_lock);  in nsim_bus_dev_new()
334 	smp_store_release(&nsim_bus_dev->init, false);  in nsim_bus_dev_new()
336 	err = device_register(&nsim_bus_dev->dev);  in nsim_bus_dev_new()
339 	return nsim_bus_dev;  in nsim_bus_dev_new()
342 	ida_free(&nsim_bus_dev_ids, nsim_bus_dev->dev.id);  in nsim_bus_dev_new()
344 	kfree(nsim_bus_dev);  in nsim_bus_dev_new()
348 static void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev)  in nsim_bus_dev_del()  argument
351 	smp_store_release(&nsim_bus_dev->init, false);  in nsim_bus_dev_del()
352 	device_unregister(&nsim_bus_dev->dev);  in nsim_bus_dev_del()
353 	ida_free(&nsim_bus_dev_ids, nsim_bus_dev->dev.id);  in nsim_bus_dev_del()
354 	kfree(nsim_bus_dev);  in nsim_bus_dev_del()
384 	struct nsim_bus_dev *nsim_bus_dev, *tmp;  in nsim_bus_exit()  local
390 	list_for_each_entry_safe(nsim_bus_dev, tmp, &nsim_bus_dev_list, list) {  in nsim_bus_exit()
391 		list_del(&nsim_bus_dev->list);  in nsim_bus_exit()
392 		nsim_bus_dev_del(nsim_bus_dev);  in nsim_bus_exit()