/** * @brief This method will ensure all internal requests destined for * devices contained in the supplied domain are properly removed * from the high priority request queue. * * @param[in] fw_hprq This parameter specifies the high priority request * queue object for which to attempt to remove elements. * @param[in] fw_domain This parameter specifies the domain for which to * remove all high priority requests. * * @return none */ void scif_sas_high_priority_request_queue_purge_domain( SCIF_SAS_HIGH_PRIORITY_REQUEST_QUEUE_T * fw_hprq, SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_SAS_IO_REQUEST_T * fw_io; POINTER_UINT io_address; U32 index; U32 element_count; SCIF_LOG_TRACE(( sci_base_object_get_logger(&fw_hprq->lock), SCIF_LOG_OBJECT_CONTROLLER | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scif_sas_high_priority_request_queue_purge_domain(0x%x,0x%x) enter\n", fw_hprq, fw_domain )); element_count = sci_pool_count(fw_hprq->pool); scif_cb_lock_acquire(fw_domain->controller, &fw_hprq->lock); for (index = 0; index < element_count; index++) { sci_pool_get(fw_hprq->pool, io_address); fw_io = (SCIF_SAS_IO_REQUEST_T*) io_address; // If the high priority request is not intended for this domain, // then it can be left in the pool. if (fw_io->parent.device->domain != fw_domain) { sci_pool_put(fw_hprq->pool, io_address); } else { if (fw_io->parent.is_internal) { SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io = (SCIF_SAS_INTERNAL_IO_REQUEST_T *)fw_io; // The request was intended for a device in the domain. Put it // back in the pool of freely available internal request memory // objects. The internal IO's timer is to be destoyed. scif_sas_internal_io_request_destruct(fw_domain->controller, fw_internal_io); } } } scif_cb_lock_release(fw_domain->controller, &fw_hprq->lock); }
/** * @brief This methods takes care of completion of an internal request about its * "internal" related feature, including the memory recycling and timer. * * @param[in] fw_controller The framework controller object. * @param[in] fw_internal_io The internal io to be completed. * @param[in] completion_status the completeion status by core and framework so * far. * * @return none */ void scif_sas_internal_io_request_complete( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io, SCI_STATUS completion_status ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_IO_REQUEST, "scif_sas_internal_io_request_complete(0x%x, 0x%x, 0x%x) enter\n", fw_controller, fw_internal_io, completion_status )); scif_cb_timer_stop(fw_controller, fw_internal_io->internal_io_timer); scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); }
/** * @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; }