/**
* @brief This method searches the whole domain and finds all the smp devices to
* cancel their smp activities if there is any.
*
* @param[in] fw_domain The domain that its smp activities are to be canceled.
*
* @return none.
*/
void scif_sas_domain_cancel_smp_activities(
SCIF_SAS_DOMAIN_T * fw_domain
)
{
SCI_ABSTRACT_ELEMENT_T * current_element =
sci_abstract_list_get_front(&fw_domain->remote_device_list);
SCIF_SAS_REMOTE_DEVICE_T * current_device;
//purge all the outstanding internal IOs in HPQ.
scif_sas_high_priority_request_queue_purge_domain(
&fw_domain->controller->hprq, fw_domain
);
while ( current_element != NULL )
{
SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols;
current_device = (SCIF_SAS_REMOTE_DEVICE_T *)
sci_abstract_list_get_object(current_element);
scic_remote_device_get_protocols(current_device->core_object,
&dev_protocols
);
if (dev_protocols.u.bits.attached_smp_target)
{
scif_sas_smp_remote_device_cancel_smp_activity(current_device);
}
current_element =
sci_abstract_list_get_next(current_element);
}
}
/**
* @brief This method implements the actions taken when entering the
* STOPPING state.
*
* @param[in] object This parameter specifies the base object for which
* the state transition is occurring. This is cast into a
* SCIF_SAS_DOMAIN object in the method implementation.
*
* @return none
*/
static
void scif_sas_domain_stopping_state_enter(
SCI_BASE_OBJECT_T * object
)
{
SCIF_SAS_REMOTE_DEVICE_T * fw_device;
SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T *)object;
SCI_ABSTRACT_ELEMENT_T * element = sci_abstract_list_get_front(
&fw_domain->remote_device_list
);
SET_STATE_HANDLER(
fw_domain,
scif_sas_domain_state_handler_table,
SCI_BASE_DOMAIN_STATE_STOPPING
);
// This must be invoked after the state handlers are set to ensure
// appropriate processing will occur if the user attempts to perform
// additional actions.
scif_sas_domain_transition_from_discovering_state(fw_domain);
SCIF_LOG_TRACE((
sci_base_object_get_logger(fw_domain),
SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
"scif_sas_domain_stopping_state_enter(0x%x) enter\n",
fw_domain
));
scif_sas_high_priority_request_queue_purge_domain(
&fw_domain->controller->hprq, fw_domain
);
// Search the domain's list of devices and put them all in the STOPPING
// state.
while (element != NULL)
{
fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
sci_abstract_list_get_object(element);
// This method will stop the core device. The core will terminate
// all IO requests currently outstanding.
fw_device->state_handlers->parent.stop_handler(&fw_device->parent);
element = sci_abstract_list_get_next(element);
}
// Attempt to transition to the stopped state.
scif_sas_domain_transition_to_stopped_state(fw_domain);
}
