/**
*
*
* @param[in] this_device
* @param[in] frame_index
*
* @return SCI_STATUS
*/
static
SCI_STATUS scic_sds_stp_remote_device_ready_ncq_substate_frame_handler(
SCIC_SDS_REMOTE_DEVICE_T * this_device,
U32 frame_index
)
{
SCI_STATUS status;
SATA_FIS_HEADER_T * frame_header;
status = scic_sds_unsolicited_frame_control_get_header(
&(scic_sds_remote_device_get_controller(this_device)->uf_control),
frame_index,
(void **)&frame_header
);
if (status == SCI_SUCCESS)
{
if (
(frame_header->fis_type == SATA_FIS_TYPE_SETDEVBITS)
&& (frame_header->status & ATA_STATUS_REG_ERROR_BIT)
)
{
this_device->not_ready_reason =
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
/** @todo Check sactive and complete associated IO if any. */
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
);
}
else if (
(frame_header->fis_type == SATA_FIS_TYPE_REGD2H)
&& (frame_header->status & ATA_STATUS_REG_ERROR_BIT)
)
{
// Some devices return D2H FIS when an NCQ error is detected.
// Treat this like an SDB error FIS ready reason.
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
);
}
else
{
status = SCI_FAILURE;
}
scic_sds_controller_release_frame(
scic_sds_remote_device_get_controller(this_device), frame_index
);
}
return status;
}
/**
* @brief This method processes an unsolicited frame while the SMP request is
* waiting for a response frame. It will copy the response data, release
* the unsolicited frame, and transition the request to the
* SCI_BASE_REQUEST_STATE_COMPLETED state.
*
* @param[in] this_request This parameter specifies the request for which
* the unsolicited frame was received.
* @param[in] frame_index This parameter indicates the unsolicited frame
* index that should contain the response.
*
* @return This method returns an indication of whether the response
* frame was handled successfully or not.
* @retval SCI_SUCCESS Currently this value is always returned and indicates
* successful processing of the TC response.
*/
static
SCI_STATUS scic_sds_smp_request_await_response_frame_handler(
SCIC_SDS_REQUEST_T * this_request,
U32 frame_index
)
{
SCI_STATUS status;
void * frame_header;
SMP_RESPONSE_HEADER_T * this_frame_header;
U8 * user_smp_buffer = this_request->response_buffer;
// Save off the controller, so that we do not touch the request after it
// is completed.
SCIC_SDS_CONTROLLER_T * controller = scic_sds_request_get_controller(this_request);
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_request),
SCIC_LOG_OBJECT_SMP_IO_REQUEST,
"scic_sds_smp_request_await_response_frame_handler(0x%x, 0x%x) enter\n",
this_request, frame_index
));
status = scic_sds_unsolicited_frame_control_get_header(
&(controller->uf_control),
frame_index,
&frame_header
);
//byte swap the header.
scic_word_copy_with_swap(
(U32*) user_smp_buffer,
frame_header,
sizeof(SMP_RESPONSE_HEADER_T)/sizeof(U32)
);
this_frame_header = (SMP_RESPONSE_HEADER_T*) user_smp_buffer;
if (this_frame_header->smp_frame_type == SMP_FRAME_TYPE_RESPONSE)
{
void * smp_response_buffer;
status = scic_sds_unsolicited_frame_control_get_buffer(
&(controller->uf_control),
frame_index,
&smp_response_buffer
);
scic_word_copy_with_swap(
(U32*) (user_smp_buffer + sizeof(SMP_RESPONSE_HEADER_T)),
smp_response_buffer,
sizeof(SMP_RESPONSE_BODY_T)/sizeof(U32)
);
if (this_frame_header->function == SMP_FUNCTION_DISCOVER)
{
SMP_RESPONSE_T * this_smp_response;
this_smp_response = (SMP_RESPONSE_T *)user_smp_buffer;
// Some expanders only report an attached SATA device, and
// not an STP target. Since the core depends on the STP
// target attribute to correctly build I/O, set the bit now
// if necessary.
if (this_smp_response->response.discover.protocols.u.bits.attached_sata_device
&& !this_smp_response->response.discover.protocols.u.bits.attached_stp_target)
{
this_smp_response->response.discover.protocols.u.bits.attached_stp_target = 1;
SCIC_LOG_TRACE((
sci_base_object_get_logger(this_request),
SCIC_LOG_OBJECT_SMP_IO_REQUEST,
"scic_sds_smp_request_await_response_frame_handler(0x%x) Found SATA dev, setting STP bit.\n",
this_request
));
}
}
//Don't need to copy to user space. User instead will refer to
//core request's response buffer.
//copy the smp response to framework smp request's response buffer.
//scic_sds_smp_request_copy_response(this_request);
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_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION
);
}
else
{
// This was not a response frame why did it get forwarded?
SCIC_LOG_ERROR((
sci_base_object_get_logger(this_request),
SCIC_LOG_OBJECT_SMP_IO_REQUEST,
"SCIC SMP Request 0x%08x received unexpected frame %d type 0x%02x\n",
this_request, frame_index, this_frame_header->smp_frame_type
));
scic_sds_request_set_status(
this_request,
SCU_TASK_DONE_SMP_FRM_TYPE_ERR,
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
);
sci_base_state_machine_change_state(
&this_request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
}
scic_sds_controller_release_frame(
controller, frame_index
);
return SCI_SUCCESS;
}
