58 	struct fwctl_device *fwctl = ucmd->uctx->fwctl;  in fwctl_cmd_info()  local
65 	if (!fwctl->ops->info && cmd->device_data_len) {  in fwctl_cmd_info()
71 			fwctl->ops->info(ucmd->uctx, &driver_info_len);  in fwctl_cmd_info()
81 	cmd->out_device_type = fwctl->ops->device_type;  in fwctl_cmd_info()
88 	struct fwctl_device *fwctl = ucmd->uctx->fwctl;  in fwctl_cmd_rpc()  local
107 				&fwctl->dev,  in fwctl_cmd_rpc()
124 	void *outbuf __free(kvfree) = fwctl->ops->fw_rpc(  in fwctl_cmd_rpc()
201 	guard(rwsem_read)(&uctx->fwctl->registration_lock);  in fwctl_fops_ioctl()
202 	if (!uctx->fwctl->ops)  in fwctl_fops_ioctl()
209 	struct fwctl_device *fwctl =  in fwctl_fops_open()  local
213 	guard(rwsem_read)(&fwctl->registration_lock);  in fwctl_fops_open()
214 	if (!fwctl->ops)  in fwctl_fops_open()
218 		kzalloc(fwctl->ops->uctx_size, GFP_KERNEL_ACCOUNT);  in fwctl_fops_open()
222 	uctx->fwctl = fwctl;  in fwctl_fops_open()
223 	ret = fwctl->ops->open_uctx(uctx);  in fwctl_fops_open()
227 	scoped_guard(mutex, &fwctl->uctx_list_lock) {  in fwctl_fops_open()
228 		list_add_tail(&uctx->uctx_list_entry, &fwctl->uctx_list);  in fwctl_fops_open()
231 	get_device(&fwctl->dev);  in fwctl_fops_open()
238 	lockdep_assert_held(&uctx->fwctl->uctx_list_lock);  in fwctl_destroy_uctx()
240 	uctx->fwctl->ops->close_uctx(uctx);  in fwctl_destroy_uctx()
246 	struct fwctl_device *fwctl = uctx->fwctl;  in fwctl_fops_release()  local
248 	scoped_guard(rwsem_read, &fwctl->registration_lock) {  in fwctl_fops_release()
253 		if (fwctl->ops) {  in fwctl_fops_release()
254 			guard(mutex)(&fwctl->uctx_list_lock);  in fwctl_fops_release()
260 	fwctl_put(fwctl);  in fwctl_fops_release()
273 	struct fwctl_device *fwctl =  in fwctl_device_release()  local
276 	ida_free(&fwctl_ida, fwctl->dev.devt - fwctl_dev);  in fwctl_device_release()
277 	mutex_destroy(&fwctl->uctx_list_lock);  in fwctl_device_release()
278 	kfree(fwctl);  in fwctl_device_release()
295 	struct fwctl_device *fwctl __free(kfree) = kzalloc(size, GFP_KERNEL);  in _alloc_device()
298 	if (!fwctl)  in _alloc_device()
305 	fwctl->dev.devt = fwctl_dev + devnum;  in _alloc_device()
306 	fwctl->dev.class = &fwctl_class;  in _alloc_device()
307 	fwctl->dev.parent = parent;  in _alloc_device()
309 	init_rwsem(&fwctl->registration_lock);  in _alloc_device()
310 	mutex_init(&fwctl->uctx_list_lock);  in _alloc_device()
311 	INIT_LIST_HEAD(&fwctl->uctx_list);  in _alloc_device()
313 	device_initialize(&fwctl->dev);  in _alloc_device()
314 	return_ptr(fwctl);  in _alloc_device()
322 	struct fwctl_device *fwctl __free(fwctl) =  in _fwctl_alloc_device()
325 	if (!fwctl)  in _fwctl_alloc_device()
328 	cdev_init(&fwctl->cdev, &fwctl_fops);  in _fwctl_alloc_device()
333 	fwctl->cdev.owner = THIS_MODULE;  in _fwctl_alloc_device()
335 	if (dev_set_name(&fwctl->dev, "fwctl%d", fwctl->dev.devt - fwctl_dev))  in _fwctl_alloc_device()
338 	fwctl->ops = ops;  in _fwctl_alloc_device()
339 	return_ptr(fwctl);  in _fwctl_alloc_device()
350 int fwctl_register(struct fwctl_device *fwctl)  in fwctl_register()  argument
352 	return cdev_device_add(&fwctl->cdev, &fwctl->dev);  in fwctl_register()
372 void fwctl_unregister(struct fwctl_device *fwctl)  in fwctl_unregister()  argument
376 	cdev_device_del(&fwctl->cdev, &fwctl->dev);  in fwctl_unregister()
379 	guard(rwsem_write)(&fwctl->registration_lock);  in fwctl_unregister()
380 	guard(mutex)(&fwctl->uctx_list_lock);  in fwctl_unregister()
381 	while ((uctx = list_first_entry_or_null(&fwctl->uctx_list,  in fwctl_unregister()
390 	fwctl->ops = NULL;  in fwctl_unregister()