/** * @brief This method will allocate the internal IO request object and * construct its contents based upon the supplied SMP request. * * @param[in] fw_controller This parameter specifies the controller object * from which to allocate the internal IO request. * @param[in] fw_device This parameter specifies the remote device for * which the internal IO request is destined. * @param[in] smp_request This parameter specifies the SMP request contents * to be sent to the SMP target. * * @return void * The address of built scif sas smp request. */ static void * scif_sas_smp_request_build( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_REMOTE_DEVICE_T * fw_device, SMP_REQUEST_T * smp_request, void * external_request_object, void * external_memory ) { if (external_memory != NULL && external_request_object != NULL) { scif_sas_io_request_construct_smp( fw_controller, fw_device, external_memory, (char *)external_memory + sizeof(SCIF_SAS_IO_REQUEST_T), SCI_CONTROLLER_INVALID_IO_TAG, smp_request, external_request_object ); return external_memory; } else { void * internal_io_memory; internal_io_memory = scif_sas_controller_allocate_internal_request(fw_controller); ASSERT(internal_io_memory != NULL); if (internal_io_memory != NULL) { //construct, only when we got valid io memory. scif_sas_internal_io_request_construct_smp( fw_controller, fw_device, internal_io_memory, SCI_CONTROLLER_INVALID_IO_TAG, smp_request ); } else { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_IO_REQUEST, "scif_sas_smp_request_build, no memory available!\n" )); } return internal_io_memory; } }
/** * @brief This method constructs an internal smp request. * * @param[in] fw_controller The framework controller * @param[in] fw_device The smp device that the internal io targets to. * @param[in] internal_io_memory The memory space for the internal io. * @param[in] io_tag The io tag for the internl io to be constructed. * @param[in] smp_command A pointer to the smp request data structure according * to SAS protocol. * * @return Indicate if the internal io was successfully constructed. * @retval SCI_SUCCESS This value is returned if the internal io was * successfully constructed. * @retval SCI_FAILURE This value is returned if the internal io was failed to * be constructed. */ SCI_STATUS scif_sas_internal_io_request_construct_smp( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_REMOTE_DEVICE_T * fw_device, void * internal_io_memory, U16 io_tag, SMP_REQUEST_T * smp_command ) { SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io = (SCIF_SAS_INTERNAL_IO_REQUEST_T*)internal_io_memory; SCIF_SAS_IO_REQUEST_T * fw_io = (SCIF_SAS_IO_REQUEST_T*)internal_io_memory; SCI_STATUS status; //call common smp request construct routine. status = scif_sas_io_request_construct_smp( fw_controller, fw_device, internal_io_memory, (char *)internal_io_memory + sizeof(SCIF_SAS_INTERNAL_IO_REQUEST_T), SCI_CONTROLLER_INVALID_IO_TAG, smp_command, NULL //there is no associated user io object. ); //Codes below are all internal io related. if (status == SCI_SUCCESS) { //set the is_internal flag fw_io->parent.is_internal = TRUE; if (fw_internal_io->internal_io_timer == NULL) { //create the timer for this internal request. fw_internal_io->internal_io_timer = scif_cb_timer_create( (SCI_CONTROLLER_HANDLE_T *)fw_controller, scif_sas_internal_io_request_timeout_handler, (void*)fw_io ); } else { ASSERT (0); } //insert into high priority queue if ( !sci_pool_full(fw_controller->hprq.pool) ) { sci_pool_put( fw_controller->hprq.pool, (POINTER_UINT) internal_io_memory ); } else { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_CONTROLLER | SCIF_LOG_OBJECT_REMOTE_DEVICE, "scif_sas_internal_io_request_construct_smp, high priority queue full!\n" )); scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); //return failure status. return SCI_FAILURE_INSUFFICIENT_RESOURCES; } } return status; }