iadk: system_agent: Check error code returned by the module entry point

Change the definition of the system_agent_start function so that it returns
the error code returned by the module's entry point functions. Return the
created IadkModuleAdapter object via a parameter.

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>

src/audio/module_adapter/iadk/system_agent.cpp

@@ -118,17 +118,15 @@ int SystemAgent::CheckIn(ProcessingModuleFactoryInterface& module_factory,
 } /* namespace system */
 } /* namespace intel_adsp */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
 /* The create_instance_f is a function call type known in IADK module. The module entry_point
  * points to this type of function which starts module creation.
  */
 typedef int (*create_instance_f)(uint32_t module_id, uint32_t instance_id, uint32_t core_id,
 				 void *mod_cfg, void *parent_ppl, void **mod_ptr);
 
-void* system_agent_start(uint32_t entry_point, uint32_t module_id, uint32_t instance_id,
-			 uint32_t core_id, uint32_t log_handle, void* mod_cfg)
+int system_agent_start(uint32_t entry_point, uint32_t module_id, uint32_t instance_id,
+		       uint32_t core_id, uint32_t log_handle, void* mod_cfg,
+		       void **adapter)
 {
 	uint32_t ret;
 	SystemAgent system_agent(module_id, instance_id, core_id, log_handle);
@@ -137,13 +135,11 @@ void* system_agent_start(uint32_t entry_point, uint32_t module_id, uint32_t inst
 	create_instance_f ci = (create_instance_f)(entry_point);
 	ret = ci(module_id, instance_id, core_id, mod_cfg, NULL, &system_agent_p);
 
-	return system_agent_p;
+	IadkModuleAdapter* module_adapter = reinterpret_cast<IadkModuleAdapter*>(system_agent_p);
+	*adapter = module_adapter;
+	return ret;
 }
 
-#ifdef __cplusplus
-}
-#endif
-
 extern "C" void __cxa_pure_virtual()  __attribute__((weak));
 
 void __cxa_pure_virtual()

src/audio/module_adapter/module/modules.c

@@ -59,7 +59,8 @@ static int modules_init(struct processing_module *mod)
 	const struct comp_driver *const drv = dev->drv;
 	const struct ipc4_base_module_cfg *src_cfg = &md->cfg.base_cfg;
 	const struct comp_ipc_config *config = &dev->ipc_config;
-	void *system_agent;
+	void *adapter;
+	int ret;
 
 	uintptr_t module_entry_point = lib_manager_allocate_module(mod, config, src_cfg);
 
@@ -81,16 +82,20 @@ static int modules_init(struct processing_module *mod)
 		.size = md->cfg.size >> 2,
 	};
 
-	system_agent = system_agent_start(module_entry_point, module_id, instance_id, 0, log_handle,
-					  &mod_cfg);
+	ret = system_agent_start(module_entry_point, module_id, instance_id, 0, log_handle,
+				 &mod_cfg, &adapter);
+	if (ret) {
+		comp_info(dev, "System agent failed");
+		return ret;
+	}
 
-	module_set_private_data(mod, system_agent);
+	module_set_private_data(mod, adapter);
 
 	md->mpd.in_buff_size = src_cfg->ibs;
 	md->mpd.out_buff_size = src_cfg->obs;
 
 	mod->proc_type = MODULE_PROCESS_TYPE_SOURCE_SINK;
-	return iadk_wrapper_init(system_agent);
+	return iadk_wrapper_init(adapter);
 }
 
 /**

src/include/sof/audio/module_adapter/iadk/system_agent.h

@@ -107,8 +107,8 @@ extern "C" {
  * method (the variant with 7 parameters) via a parameter that initially contained the address to
  * the agent system. The system_agent_start function returns it in the variable adapter.
  */
-void *system_agent_start(uint32_t entry_point, uint32_t module_id, uint32_t instance_id,
-			 uint32_t core_id, uint32_t log_handle, void *mod_cfg);
+int system_agent_start(uint32_t entry_point, uint32_t module_id, uint32_t instance_id,
+		       uint32_t core_id, uint32_t log_handle, void *mod_cfg, void **adapter);
 #ifdef __cplusplus
 }
 #endif