static
SCI_STATUS scic_sds_remote_node_context_posting_state_event_handler(
struct SCIC_SDS_REMOTE_NODE_CONTEXT * this_rnc,
U32 event_code
)
{
SCI_STATUS status;
switch (scu_get_event_code(event_code))
{
case SCU_EVENT_POST_RNC_COMPLETE:
status = SCI_SUCCESS;
sci_base_state_machine_change_state(
&this_rnc->state_machine,
SCIC_SDS_REMOTE_NODE_CONTEXT_READY_STATE
);
break;
default:
status = SCI_FAILURE;
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to process unexpected event 0x%x while in posting state\n",
this_rnc, event_code
));
break;
}
return status;
}
static
SCI_STATUS scic_sds_remote_node_context_resuming_state_event_handler(
struct SCIC_SDS_REMOTE_NODE_CONTEXT * this_rnc,
U32 event_code
)
{
SCI_STATUS status;
if (scu_get_event_code(event_code) == SCU_EVENT_POST_RCN_RELEASE)
{
status = SCI_SUCCESS;
sci_base_state_machine_change_state(
&this_rnc->state_machine,
SCIC_SDS_REMOTE_NODE_CONTEXT_READY_STATE
);
}
else
{
switch (scu_get_event_type(event_code))
{
case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX:
// We really dont care if the hardware is going to suspend
// the device since it's being resumed anyway
SCIC_LOG_INFO((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x was suspeneded by hardware while being resumed.\n",
this_rnc
));
status = SCI_SUCCESS;
break;
default:
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to process event 0x%x while in state %d.\n",
this_rnc, event_code, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
status = SCI_FAILURE;
break;
}
}
return status;
}
static
SCI_STATUS scic_sds_remote_node_context_await_suspension_state_event_handler(
struct SCIC_SDS_REMOTE_NODE_CONTEXT * this_rnc,
U32 event_code
)
{
SCI_STATUS status;
switch (scu_get_event_type(event_code))
{
case SCU_EVENT_TL_RNC_SUSPEND_TX:
sci_base_state_machine_change_state(
&this_rnc->state_machine,
SCIC_SDS_REMOTE_NODE_CONTEXT_TX_SUSPENDED_STATE
);
this_rnc->suspension_code = scu_get_event_specifier(event_code);
status = SCI_SUCCESS;
break;
case SCU_EVENT_TL_RNC_SUSPEND_TX_RX:
sci_base_state_machine_change_state(
&this_rnc->state_machine,
SCIC_SDS_REMOTE_NODE_CONTEXT_TX_RX_SUSPENDED_STATE
);
this_rnc->suspension_code = scu_get_event_specifier(event_code);
status = SCI_SUCCESS;
break;
default:
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to process event 0x%x while in state %d.\n",
this_rnc, event_code, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
status = SCI_FAILURE;
break;
}
return status;
}
// ---------------------------------------------------------------------------
static
SCI_STATUS scic_sds_remote_node_context_reset_required_start_io_handler(
struct SCIC_SDS_REMOTE_NODE_CONTEXT * this_rnc,
struct SCIC_SDS_REQUEST * the_request
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to start io 0x%x while in wrong state %d\n",
this_rnc, the_request, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
}
static
SCI_STATUS scic_sds_remote_node_context_default_event_handler(
struct SCIC_SDS_REMOTE_NODE_CONTEXT * this_rnc,
U32 event_code
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to process event 0x%x while in wrong state %d\n",
this_rnc, event_code, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
static
SCI_STATUS scic_sds_remote_node_context_default_resume_handler(
SCIC_SDS_REMOTE_NODE_CONTEXT_T * this_rnc,
SCIC_SDS_REMOTE_NODE_CONTEXT_CALLBACK the_callback,
void * callback_parameter
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to resume while in wrong state %d\n",
this_rnc, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
return SCI_FAILURE_INVALID_STATE;
}
static
SCI_STATUS scic_sds_remote_node_context_default_destruct_handler(
SCIC_SDS_REMOTE_NODE_CONTEXT_T * this_rnc,
SCIC_SDS_REMOTE_NODE_CONTEXT_CALLBACK the_callback,
void * callback_parameter
)
{
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_rnc->device),
SCIC_LOG_OBJECT_SSP_REMOTE_TARGET |
SCIC_LOG_OBJECT_SMP_REMOTE_TARGET |
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote Node Context 0x%x requested to stop while in unexpected state %d\n",
this_rnc, sci_base_state_machine_get_state(&this_rnc->state_machine)
));
// We have decided that the destruct request on the remote node context can not fail
// since it is either in the initial/destroyed state or is can be destroyed.
return SCI_SUCCESS;
}
/**
* This method will handle events received while the STP device is in the
* ready command substate.
*
* @param [in] this_device This is the device object that is receiving the
* event.
* @param [in] event_code The event code to process.
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_ncq_substate_event_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 event_code
)
{
SCI_STATUS status;
status = scic_sds_remote_device_general_event_handler(this_device, event_code);
switch (scu_get_event_code(event_code))
{
case SCU_EVENT_TL_RNC_SUSPEND_TX:
case SCU_EVENT_TL_RNC_SUSPEND_TX_RX:
/// @todo We need to decode and understand why the hardware suspended the device.
/// The suspension reason was probably due to an SDB error FIS received.
break;
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_DATA_LEN_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_OFFSET_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_DMASETUP_DIERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_DONE_XFERCNT_ERR:
case SCU_EVENT_TL_RNC_SUSPEND_TX_RX_DONE_PLD_LEN_ERR:
this_device->not_ready_reason =
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
// We have a notification that the driver requested a suspend operation
// this should not happen.
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver suspend event %x while in ncq ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
// Since we didn't expect to get here start the device again.
status = scic_sds_remote_device_resume(this_device);
break;
case SCU_EVENT_POST_RCN_RELEASE:
/// @todo Do we need to store the suspend state on the device?
SCIC_LOG_INFO((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver release event %x while in the ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
break;
default:
// Some other event just log it and continue
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_device),
SCIC_LOG_OBJECT_STP_REMOTE_TARGET,
"SCIC Remote device 0x%x received driver unexpected event %x while in the ready substate %d\n",
this_device, event_code, sci_base_state_machine_get_state(&this_device->ready_substate_machine)
));
status = SCI_FAILURE_INVALID_STATE;
break;
}
return status;
}
/**
* @brief This method processes the completions transport layer (TL) status
* to determine if the RAW task management frame was sent successfully.
* If the raw frame was sent successfully, then the state for the
* task request transitions to waiting for a response frame.
*
* @param[in] this_request This parameter specifies the request for which
* the TC completion was received.
* @param[in] completion_code This parameter indicates the completion status
* information for the TC.
*
* @return Indicate if the tc completion handler was successful.
* @retval SCI_SUCCESS currently this method always returns success.
*/
static
SCI_STATUS scic_sds_ssp_task_request_await_tc_completion_tc_completion_handler(
SCIC_SDS_REQUEST_T * this_request,
U32 completion_code
)
{
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_request),
SCIC_LOG_OBJECT_TASK_MANAGEMENT,
"scic_sds_ssp_task_request_await_tc_completion_tc_completion_handler(0x%x, 0x%x) enter\n",
this_request, completion_code
));
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code))
{
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(
this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
sci_base_state_machine_change_state(
&this_request->started_substate_machine,
SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_RESPONSE
);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_ACK_NAK_TO):
// Currently, the decision is to simply allow the task request to
// timeout if the task IU wasn't received successfully.
// There is a potential for receiving multiple task responses if we
// decide to send the task IU again.
SCIC_LOG_WARNING((
sci_base_object_get_logger(this_request),
SCIC_LOG_OBJECT_TASK_MANAGEMENT,
"TaskRequest:0x%x CompletionCode:%x - ACK/NAK timeout\n",
this_request, completion_code
));
sci_base_state_machine_change_state(
&this_request->started_substate_machine,
SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_RESPONSE
);
break;
default:
// All other completion status cause the IO to be complete. If a NAK
// was received, then it is up to the user to retry the request.
scic_sds_request_set_status(
this_request,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
);
sci_base_state_machine_change_state(
&this_request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
break;
}
return SCI_SUCCESS;
}
