19 	const struct ipc_service_backend *backend;  in ipc_service_open_instance()  local
26 	backend = (const struct ipc_service_backend *) instance->api;  in ipc_service_open_instance()
28 	if (!backend) {  in ipc_service_open_instance()
29 		LOG_ERR("Invalid backend configuration");  in ipc_service_open_instance()
33 	if (!backend->open_instance) {  in ipc_service_open_instance()
34 		/* maybe not needed on backend */  in ipc_service_open_instance()
38 	return backend->open_instance(instance);  in ipc_service_open_instance()
43 	const struct ipc_service_backend *backend;  in ipc_service_close_instance()  local
50 	backend = (const struct ipc_service_backend *) instance->api;  in ipc_service_close_instance()
52 	if (!backend) {  in ipc_service_close_instance()
53 		LOG_ERR("Invalid backend configuration");  in ipc_service_close_instance()
57 	if (!backend->close_instance) {  in ipc_service_close_instance()
58 		/* maybe not needed on backend */  in ipc_service_close_instance()
62 	return backend->close_instance(instance);  in ipc_service_close_instance()
69 	const struct ipc_service_backend *backend;  in ipc_service_register_endpoint()  local
76 	backend = (const struct ipc_service_backend *) instance->api;  in ipc_service_register_endpoint()
78 	if (!backend || !backend->register_endpoint) {  in ipc_service_register_endpoint()
79 		LOG_ERR("Invalid backend configuration");  in ipc_service_register_endpoint()
87 	return backend->register_endpoint(instance, &ept->token, cfg);  in ipc_service_register_endpoint()
92 	const struct ipc_service_backend *backend;  in ipc_service_deregister_endpoint()  local
105 	backend = ept->instance->api;  in ipc_service_deregister_endpoint()
107 	if (!backend || !backend->deregister_endpoint) {  in ipc_service_deregister_endpoint()
108 		LOG_ERR("Invalid backend configuration");  in ipc_service_deregister_endpoint()
112 	err = backend->deregister_endpoint(ept->instance, ept->token);  in ipc_service_deregister_endpoint()
125 	const struct ipc_service_backend *backend;  in ipc_service_send()  local
137 	backend = ept->instance->api;  in ipc_service_send()
139 	if (!backend || !backend->send) {  in ipc_service_send()
140 		LOG_ERR("Invalid backend configuration");  in ipc_service_send()
144 	return backend->send(ept->instance, ept->token, data, len);  in ipc_service_send()
149 	const struct ipc_service_backend *backend;  in ipc_service_get_tx_buffer_size()  local
161 	backend = ept->instance->api;  in ipc_service_get_tx_buffer_size()
163 	if (!backend) {  in ipc_service_get_tx_buffer_size()
164 		LOG_ERR("Invalid backend configuration");  in ipc_service_get_tx_buffer_size()
168 	if (!backend->get_tx_buffer_size) {  in ipc_service_get_tx_buffer_size()
173 	return backend->get_tx_buffer_size(ept->instance, ept->token);  in ipc_service_get_tx_buffer_size()
178 	const struct ipc_service_backend *backend;  in ipc_service_get_tx_buffer()  local
190 	backend = ept->instance->api;  in ipc_service_get_tx_buffer()
192 	if (!backend) {  in ipc_service_get_tx_buffer()
193 		LOG_ERR("Invalid backend configuration");  in ipc_service_get_tx_buffer()
197 	if (!backend->send_nocopy || !backend->get_tx_buffer) {  in ipc_service_get_tx_buffer()
202 	return backend->get_tx_buffer(ept->instance, ept->token, data, len, wait);  in ipc_service_get_tx_buffer()
207 	const struct ipc_service_backend *backend;  in ipc_service_drop_tx_buffer()  local
219 	backend = ept->instance->api;  in ipc_service_drop_tx_buffer()
221 	if (!backend) {  in ipc_service_drop_tx_buffer()
222 		LOG_ERR("Invalid backend configuration");  in ipc_service_drop_tx_buffer()
226 	if (!backend->drop_tx_buffer) {  in ipc_service_drop_tx_buffer()
231 	return backend->drop_tx_buffer(ept->instance, ept->token, data);  in ipc_service_drop_tx_buffer()
236 	const struct ipc_service_backend *backend;  in ipc_service_send_nocopy()  local
248 	backend = ept->instance->api;  in ipc_service_send_nocopy()
250 	if (!backend) {  in ipc_service_send_nocopy()
251 		LOG_ERR("Invalid backend configuration");  in ipc_service_send_nocopy()
255 	if (!backend->get_tx_buffer || !backend->send_nocopy) {  in ipc_service_send_nocopy()
260 	return backend->send_nocopy(ept->instance, ept->token, data, len);  in ipc_service_send_nocopy()
265 	const struct ipc_service_backend *backend;  in ipc_service_hold_rx_buffer()  local
277 	backend = ept->instance->api;  in ipc_service_hold_rx_buffer()
279 	if (!backend) {  in ipc_service_hold_rx_buffer()
280 		LOG_ERR("Invalid backend configuration");  in ipc_service_hold_rx_buffer()
285 	if (!backend->release_rx_buffer || !backend->hold_rx_buffer) {  in ipc_service_hold_rx_buffer()
290 	return backend->hold_rx_buffer(ept->instance, ept->token, data);  in ipc_service_hold_rx_buffer()
294 	const struct ipc_service_backend *backend;  in ipc_service_release_rx_buffer()  local
306 	backend = ept->instance->api;  in ipc_service_release_rx_buffer()
308 	if (!backend) {  in ipc_service_release_rx_buffer()
309 		LOG_ERR("Invalid backend configuration");  in ipc_service_release_rx_buffer()
314 	if (!backend->hold_rx_buffer || !backend->release_rx_buffer) {  in ipc_service_release_rx_buffer()
319 	return backend->release_rx_buffer(ept->instance, ept->token, data);  in ipc_service_release_rx_buffer()