191  * This method return the memory space required for STP PIO requests.
683    if (this_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A)  in scic_sds_stp_request_pio_get_next_sgl()
686             (this_request->type.pio.request_current.sgl_pair->B.address_lower == 0)  in scic_sds_stp_request_pio_get_next_sgl()
687          && (this_request->type.pio.request_current.sgl_pair->B.address_upper == 0)  in scic_sds_stp_request_pio_get_next_sgl()
694          this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_B;  in scic_sds_stp_request_pio_get_next_sgl()
695          current_sgl = &(this_request->type.pio.request_current.sgl_pair->B);  in scic_sds_stp_request_pio_get_next_sgl()
701             (this_request->type.pio.request_current.sgl_pair->next_pair_lower == 0)  in scic_sds_stp_request_pio_get_next_sgl()
702          && (this_request->type.pio.request_current.sgl_pair->next_pair_upper == 0)  in scic_sds_stp_request_pio_get_next_sgl()
709          this_request->type.pio.request_current.sgl_pair =  in scic_sds_stp_request_pio_get_next_sgl()
712                ++this_request->type.pio.sgl_pair_index  in scic_sds_stp_request_pio_get_next_sgl()
715          this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;  in scic_sds_stp_request_pio_get_next_sgl()
717          current_sgl = &(this_request->type.pio.request_current.sgl_pair->A);  in scic_sds_stp_request_pio_get_next_sgl()
725  * This method will construct the SATA PIO request.
728  *            PIO request object.
750    this_request->type.pio.current_transfer_bytes = 0;  in scic_sds_stp_pio_request_construct()
751    this_request->type.pio.ending_error = 0;  in scic_sds_stp_pio_request_construct()
752    this_request->type.pio.ending_status = 0;  in scic_sds_stp_pio_request_construct()
754    this_request->type.pio.request_current.sgl_offset = 0;  in scic_sds_stp_pio_request_construct()
755    this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;  in scic_sds_stp_pio_request_construct()
756    this_request->type.pio.sat_protocol = sat_protocol;  in scic_sds_stp_pio_request_construct()
757    this_request->type.pio.sgl_pair_index = 0;  in scic_sds_stp_pio_request_construct()
764       this_request->type.pio.request_current.sgl_pair =  in scic_sds_stp_pio_request_construct()
770       this_request->type.pio.request_current.sgl_pair = NULL;  in scic_sds_stp_pio_request_construct()
1027 //* STP PIO STATE MACHINE
1058    if (this_sds_stp_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A)  in scic_sds_stp_request_pio_data_out_trasmit_data_frame()
1060       current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->A);  in scic_sds_stp_request_pio_data_out_trasmit_data_frame()
1064       current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->B);  in scic_sds_stp_request_pio_data_out_trasmit_data_frame()
1104    sgl_offset = this_sds_stp_request->type.pio.request_current.sgl_offset;  in scic_sds_stp_request_pio_data_out_transmit_data()
1106    if (this_sds_stp_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A)  in scic_sds_stp_request_pio_data_out_transmit_data()
1108       current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->A);  in scic_sds_stp_request_pio_data_out_transmit_data()
1109 …remaining_bytes_in_current_sgl = this_sds_stp_request->type.pio.request_current.sgl_pair->A.length…  in scic_sds_stp_request_pio_data_out_transmit_data()
1113       current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->B);  in scic_sds_stp_request_pio_data_out_transmit_data()
1114 …remaining_bytes_in_current_sgl = this_sds_stp_request->type.pio.request_current.sgl_pair->B.length…  in scic_sds_stp_request_pio_data_out_transmit_data()
1118    if (this_sds_stp_request->type.pio.pio_transfer_bytes > 0)  in scic_sds_stp_request_pio_data_out_transmit_data()
1120       if (this_sds_stp_request->type.pio.pio_transfer_bytes >= remaining_bytes_in_current_sgl )  in scic_sds_stp_request_pio_data_out_transmit_data()
1126             this_sds_stp_request->type.pio.pio_transfer_bytes -= remaining_bytes_in_current_sgl;  in scic_sds_stp_request_pio_data_out_transmit_data()
1130       else if (this_sds_stp_request->type.pio.pio_transfer_bytes < remaining_bytes_in_current_sgl )  in scic_sds_stp_request_pio_data_out_transmit_data()
1132 … and send the H2D Data FIS from (current sgl + sgl_offset) and length = type.pio.pio_transfer_bytes  in scic_sds_stp_request_pio_data_out_transmit_data()
1133 …_data_out_trasmit_data_frame (this_sds_request, this_sds_stp_request->type.pio.pio_transfer_bytes);  in scic_sds_stp_request_pio_data_out_transmit_data()
1138             sgl_offset += this_sds_stp_request->type.pio.pio_transfer_bytes;  in scic_sds_stp_request_pio_data_out_transmit_data()
1139             current_sgl->address_lower += this_sds_stp_request->type.pio.pio_transfer_bytes;  in scic_sds_stp_request_pio_data_out_transmit_data()
1140             this_sds_stp_request->type.pio.pio_transfer_bytes = 0;  in scic_sds_stp_request_pio_data_out_transmit_data()
1147       this_sds_stp_request->type.pio.request_current.sgl_offset = sgl_offset;  in scic_sds_stp_request_pio_data_out_transmit_data()
1178       (this_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A) ?  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1179          &(this_request->type.pio.request_current.sgl_pair->A) :  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1180          &(this_request->type.pio.request_current.sgl_pair->B) ;  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1182    sgl_offset = this_request->type.pio.request_current.sgl_offset;  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1185    data_offset = this_request->type.pio.current_transfer_bytes;  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1230    this_request->type.pio.request_current.sgl_offset = sgl_offset;  in scic_sds_stp_request_pio_data_in_copy_data_buffer()
1238  * @param[in] this_request The PIO DATA IN request that is to receive the
1254    if (this_request->type.pio.pio_transfer_bytes < SCU_MAX_FRAME_BUFFER_SIZE)  in scic_sds_stp_request_pio_data_in_copy_data()
1257          this_request,data_buffer,this_request->type.pio.pio_transfer_bytes);  in scic_sds_stp_request_pio_data_in_copy_data()
1261          // All data for this PIO request has now been copied, so we don't  in scic_sds_stp_request_pio_data_in_copy_data()
1264          this_request->type.pio.current_transfer_bytes += this_request->type.pio.pio_transfer_bytes;  in scic_sds_stp_request_pio_data_in_copy_data()
1265          this_request->type.pio.pio_transfer_bytes = 0;  in scic_sds_stp_request_pio_data_in_copy_data()
1276          this_request->type.pio.pio_transfer_bytes -= SCU_MAX_FRAME_BUFFER_SIZE;  in scic_sds_stp_request_pio_data_in_copy_data()
1277          this_request->type.pio.current_transfer_bytes += SCU_MAX_FRAME_BUFFER_SIZE;  in scic_sds_stp_request_pio_data_in_copy_data()
1383          // Get from the frame buffer the PIO Setup Data  in scic_sds_stp_request_pio_await_frame_frame_handler()
1390          // Get the data from the PIO Setup  in scic_sds_stp_request_pio_await_frame_frame_handler()
1393          this_request->type.pio.pio_transfer_bytes =  in scic_sds_stp_request_pio_await_frame_frame_handler()
1395          this_request->type.pio.ending_status =  in scic_sds_stp_request_pio_await_frame_frame_handler()
1403             this_request->type.pio.ending_status;  in scic_sds_stp_request_pio_await_frame_frame_handler()
1405          //The next state is dependent on whether the request was PIO Data-in or Data out  in scic_sds_stp_request_pio_await_frame_frame_handler()
1406          if (this_request->type.pio.sat_protocol == SAT_PROTOCOL_PIO_DATA_IN)  in scic_sds_stp_request_pio_await_frame_frame_handler()
1413          else if (this_request->type.pio.sat_protocol == SAT_PROTOCOL_PIO_DATA_OUT)  in scic_sds_stp_request_pio_await_frame_frame_handler()
1464                "SCIC PIO Request 0x%x received D2H Register FIS with BSY status 0x%x\n",  in scic_sds_stp_request_pio_await_frame_frame_handler()
1536          if (this_request->type.pio.request_current.sgl_pair == NULL)  in scic_sds_stp_request_pio_data_in_await_data_frame_handler()
1539             this_request->type.pio.pio_transfer_bytes = 0;  in scic_sds_stp_request_pio_data_in_await_data_frame_handler()
1562             && (this_request->type.pio.pio_transfer_bytes == 0)  in scic_sds_stp_request_pio_data_in_await_data_frame_handler()
1565             if ((this_request->type.pio.ending_status & ATA_STATUS_REG_BSY_BIT) == 0)  in scic_sds_stp_request_pio_data_in_await_data_frame_handler()
1592 …       "SCIC PIO Request 0x%x received frame %d with fis type 0x%02x when expecting a data fis.\n",  in scic_sds_stp_request_pio_data_in_await_data_frame_handler()
1659          if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes != 0)  in scic_sds_stp_request_pio_data_out_await_data_transmit_completion_tc_completion_handler()
1664                if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes == 0)  in scic_sds_stp_request_pio_data_out_await_data_transmit_completion_tc_completion_handler()
1668          else if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes == 0)  in scic_sds_stp_request_pio_data_out_await_data_transmit_completion_tc_completion_handler()
1670 …//this will happen if the all data is written at the first time after the pio setup fis is received  in scic_sds_stp_request_pio_data_out_await_data_transmit_completion_tc_completion_handler()
1742          "SCIC PIO Request 0x%x received unexpected event 0x%08x\n",  in scic_sds_stp_request_pio_data_in_await_data_event_handler()
1746       /// @todo Should we fail the PIO request when we get an unexpected event?  in scic_sds_stp_request_pio_data_in_await_data_event_handler()