/**
* @brief This method processes the completions transport layer (TL) status
* to determine if the SMP request was sent successfully. If the SMP
* request was sent successfully, then the state for the SMP request
* transits 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_smp_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_SMP_IO_REQUEST,
"scic_sds_smp_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->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
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;
}
/**
* @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;
}
/**
* @brief This method processes an abnormal TC completion while the SMP
* request is waiting for a response frame. It decides what
* happened to the IO based on TC completion status.
*
* @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_smp_request_await_response_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_SMP_IO_REQUEST,
"scic_sds_smp_request_await_response_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):
//In the AWAIT RESPONSE state, any TC completion is unexpected.
//but if the TC has success status, we complete the IO anyway.
scic_sds_request_set_status(
this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
sci_base_state_machine_change_state(
&this_request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_RESP_TO_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_UFI_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_FRM_TYPE_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_LL_RX_ERR):
//These status has been seen in a specific LSI expander, which sometimes
//is not able to send smp response within 2 ms. This causes our hardware
//break the connection and set TC completion with one of these SMP_XXX_XX_ERR
//status. For these type of error, we ask scic user to retry the request.
scic_sds_request_set_status(
this_request, SCU_TASK_DONE_SMP_RESP_TO_ERR, SCI_FAILURE_RETRY_REQUIRED
);
sci_base_state_machine_change_state(
&this_request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
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;
}