Current Path : /usr/src/sys/dev/isci/scil/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/sys/dev/isci/scil/scic_sds_stp_packet_request.c |
/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/isci/scil/scic_sds_stp_packet_request.c 231689 2012-02-14 15:58:49Z jimharris $"); #if !defined(DISABLE_ATAPI) #include <dev/isci/scil/scic_sds_stp_packet_request.h> #include <dev/isci/scil/scic_sds_logger.h> #include <dev/isci/scil/scic_sds_controller.h> #include <dev/isci/scil/scic_sds_remote_device.h> #include <dev/isci/scil/scic_remote_device.h> #include <dev/isci/scil/sci_util.h> #include <dev/isci/scil/intel_sas.h> #include <dev/isci/scil/intel_ata.h> #include <dev/isci/scil/intel_sata.h> #include <dev/isci/scil/scic_user_callback.h> #include <dev/isci/sci_environment.h> #include <dev/isci/scil/intel_sat.h> #include <dev/isci/scil/scic_sds_request.h> #include <dev/isci/scil/scic_controller.h> #include <dev/isci/scil/scu_completion_codes.h> #include <dev/isci/scil/scu_task_context.h> #include <dev/isci/scil/scic_sds_stp_packet_request.h> #include <dev/isci/scil/sci_base_state.h> /** * @brief This method will fill in the SCU Task Context for a PACKET fis. And * construct the request STARTED sub-state machine for Packet Protocol * IO. * * @param[in] this_request This parameter specifies the stp packet request object * being constructed. * * @return none */ SCI_STATUS scic_sds_stp_packet_request_construct( SCIC_SDS_REQUEST_T *this_request ) { SATA_FIS_REG_H2D_T * h2d_fis = scic_stp_io_request_get_h2d_reg_address( this_request ); // Work around, we currently only support PACKET DMA protocol, so we // need to make change to Packet Fis features field. h2d_fis->features = h2d_fis->features | ATA_PACKET_FEATURE_DMA; scic_sds_stp_non_ncq_request_construct(this_request); // Build the Packet Fis task context structure scu_stp_raw_request_construct_task_context( (SCIC_SDS_STP_REQUEST_T*) this_request, this_request->task_context_buffer ); sci_base_state_machine_construct( &this_request->started_substate_machine, &this_request->parent.parent, scic_sds_stp_packet_request_started_substate_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE ); return SCI_SUCCESS; } /** * @brief This method will fill in the SCU Task Context for a Packet request * command phase in PACKET DMA DATA (IN/OUT) type. The following * important settings are utilized: * * -# task_type == SCU_TASK_TYPE_PACKET_DMA. This simply indicates * that a normal request type (i.e. non-raw frame) is being * utilized to perform task management. * -# control_frame == 1. This ensures that the proper endianess * is set so that the bytes are transmitted in the right order * for a smp request frame. * * @param[in] this_request This parameter specifies the smp request object * being constructed. * @param[in] task_context The task_context to be reconstruct for packet * request command phase. * @return none */ void scu_stp_packet_request_command_phase_construct_task_context( SCIC_SDS_REQUEST_T * this_request, SCU_TASK_CONTEXT_T * task_context ) { void * atapi_cdb; U32 atapi_cdb_length; SCIC_SDS_STP_REQUEST_T * stp_request = (SCIC_SDS_STP_REQUEST_T *)this_request; // reference: SSTL 1.13.4.2 // task_type, sata_direction if ( scic_cb_io_request_get_data_direction(this_request->user_request) == SCI_IO_REQUEST_DATA_OUT ) { task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_OUT; task_context->sata_direction = 0; } else // todo: for NO_DATA command, we need to send out raw frame. { task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_IN; task_context->sata_direction = 1; } // sata header memset(&(task_context->type.stp), 0, sizeof(struct STP_TASK_CONTEXT)); task_context->type.stp.fis_type = SATA_FIS_TYPE_DATA; // Copy in the command IU with CDB so that the commandIU address doesn't // change. memset(this_request->command_buffer, 0, sizeof(SATA_FIS_REG_H2D_T)); atapi_cdb = scic_cb_stp_packet_io_request_get_cdb_address(this_request->user_request); atapi_cdb_length = scic_cb_stp_packet_io_request_get_cdb_length(this_request->user_request); memcpy(((U8 *)this_request->command_buffer+sizeof(U32)), atapi_cdb, atapi_cdb_length); atapi_cdb_length = MAX(atapi_cdb_length, stp_request->type.packet.device_preferred_cdb_length); task_context->ssp_command_iu_length = ((atapi_cdb_length % 4) == 0) ? (atapi_cdb_length / 4) : ((atapi_cdb_length / 4) + 1); // task phase is set to TX_CMD task_context->task_phase = 0x1; // retry counter task_context->stp_retry_count = 0; if (scic_cb_request_is_initial_construction(this_request->user_request)) { // data transfer size. task_context->transfer_length_bytes = scic_cb_io_request_get_transfer_length(this_request->user_request); // sgls were already built when request was constructed, so don't need to // to do it here } else { // data transfer size, need to be 4 bytes aligned. task_context->transfer_length_bytes = (SCSI_FIXED_SENSE_DATA_BASE_LENGTH + 2); scic_sds_stp_packet_internal_request_sense_build_sgl(this_request); } } /** * @brief This method will fill in the SCU Task Context for a DATA fis * containing CDB in Raw Frame type. The TC for previous Packet * fis was already there, we only need to change the H2D fis content. * * @param[in] this_request This parameter specifies the smp request object * being constructed. * @param[in] task_context The task_context to be reconstruct for packet * request command phase. * @return none */ void scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context( SCIC_SDS_REQUEST_T * this_request, SCU_TASK_CONTEXT_T * task_context ) { void * atapi_cdb = scic_cb_stp_packet_io_request_get_cdb_address(this_request->user_request); U32 atapi_cdb_length = scic_cb_stp_packet_io_request_get_cdb_length(this_request->user_request); memset(this_request->command_buffer, 0, sizeof(SATA_FIS_REG_H2D_T)); memcpy( ((U8 *)this_request->command_buffer+sizeof(U32)), atapi_cdb, atapi_cdb_length); memset(&(task_context->type.stp), 0, sizeof(struct STP_TASK_CONTEXT)); task_context->type.stp.fis_type = SATA_FIS_TYPE_DATA; //Note the data send out has to be 4 bytes aligned. Or else out hardware will //patch non-zero bytes and cause the target device unhappy. task_context->transfer_length_bytes = 12; } /* *@brief This methods decode the D2H status FIS and retrieve the sense data, * then pass the sense data to user request. * *@param[in] this_request The request receive D2H status FIS. *@param[in] status_fis The D2H status fis to be processed. * */ SCI_STATUS scic_sds_stp_packet_request_process_status_fis( SCIC_SDS_REQUEST_T * this_request, SATA_FIS_REG_D2H_T * status_fis ) { SCI_STATUS status = SCI_SUCCESS; //TODO: Process the error status fis, retrieve sense data. if (status_fis->status & ATA_STATUS_REG_ERROR_BIT) status = SCI_FAILURE_IO_RESPONSE_VALID; return status; } /* *@brief This methods builds sgl for internal REQUEST SENSE stp packet * command using this request response buffer, only one sge is * needed. * *@param[in] this_request The request receive request sense data. * */ void scic_sds_stp_packet_internal_request_sense_build_sgl( SCIC_SDS_REQUEST_T * this_request ) { void *sge; SCU_SGL_ELEMENT_PAIR_T *scu_sgl_list = NULL; SCU_TASK_CONTEXT_T *task_context; SCI_PHYSICAL_ADDRESS physical_address; SCI_SSP_RESPONSE_IU_T * rsp_iu = (SCI_SSP_RESPONSE_IU_T *)this_request->response_buffer; sge = (void*)&rsp_iu->data[0]; task_context = (SCU_TASK_CONTEXT_T *)this_request->task_context_buffer; scu_sgl_list = &task_context->sgl_pair_ab; scic_cb_io_request_get_physical_address( scic_sds_request_get_controller(this_request), this_request, ((char *)sge), &physical_address ); scu_sgl_list->A.address_upper = sci_cb_physical_address_upper(physical_address); scu_sgl_list->A.address_lower = sci_cb_physical_address_lower(physical_address); scu_sgl_list->A.length = task_context->transfer_length_bytes; scu_sgl_list->A.address_modifier = 0; SCU_SGL_ZERO(scu_sgl_list->B); } //****************************************************************************** //* STP PACKET REQUEST STATE MACHINES //****************************************************************************** /** * @brief This method processes the completions transport layer (TL) status * to determine if the Packet FIS was sent successfully. If the Packet * FIS was sent successfully, then the state for the Packet request * transits to waiting for a PIO SETUP 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_stp_packet_request_packet_phase_await_tc_completion_tc_completion_handler( SCIC_SDS_REQUEST_T * this_request, U32 completion_code ) { SCI_STATUS status = SCI_SUCCESS; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_packet_request_packet_phase_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_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE ); 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 status; } /** * @brief This method processes an unsolicited frame while the Packet request * is waiting for a PIO SETUP FIS. It will release * the unsolicited frame, and transition the request to the * COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE 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 pio setup * 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_stp_packet_request_packet_phase_await_pio_setup_frame_handler( SCIC_SDS_REQUEST_T * request, U32 frame_index ) { SCI_STATUS status; SATA_FIS_HEADER_T * frame_header; U32 * frame_buffer; SCIC_SDS_STP_REQUEST_T * this_request; this_request = (SCIC_SDS_STP_REQUEST_T *)request; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_packet_request_packet_phase_await_pio_setup_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(this_request->parent.owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { ASSERT(frame_header->fis_type == SATA_FIS_TYPE_PIO_SETUP); // Get from the frame buffer the PIO Setup Data, although we don't need // any info from this pio setup fis. scic_sds_unsolicited_frame_control_get_buffer( &(this_request->parent.owning_controller->uf_control), frame_index, (void**) &frame_buffer ); // Get the data from the PIO Setup // The SCU Hardware returns first word in the frame_header and the rest // of the data is in the frame buffer so we need to back up one dword this_request->type.packet.device_preferred_cdb_length = (U16)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->transfter_count; // Frame has been decoded return it to the controller scic_sds_controller_release_frame( this_request->parent.owning_controller, frame_index ); sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE ); } else { SCIC_LOG_ERROR(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC IO Request 0x%x could not get frame header for frame index %d, status %x\n", this_request, frame_index, status )); } return status; } /** * @brief This method processes the completions transport layer (TL) status * to determine if the PACKET command data FIS was sent successfully. * If successfully, then the state for the packet request * transits to COMPLETE state. If not successfuly, the request transits * to COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE. * * @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_stp_packet_request_command_phase_await_tc_completion_tc_completion_handler( SCIC_SDS_REQUEST_T * this_request, U32 completion_code ) { SCI_STATUS status = SCI_SUCCESS; U8 sat_packet_protocol = this_request->sat_protocol; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_packet_request_command_phase_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_TASK_DONE_GOOD << SCU_COMPLETION_TL_STATUS_SHIFT): scic_sds_request_set_status( this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS ); if ( sat_packet_protocol == SAT_PROTOCOL_PACKET_DMA_DATA_IN || sat_packet_protocol == SAT_PROTOCOL_PACKET_DMA_DATA_OUT ) sci_base_state_machine_change_state( &this_request->parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); else sci_base_state_machine_change_state( &this_request->started_substate_machine, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE ); break; case (SCU_TASK_DONE_UNEXP_FIS << SCU_COMPLETION_TL_STATUS_SHIFT): if (scic_io_request_get_number_of_bytes_transferred(this_request) < scic_cb_io_request_get_transfer_length(this_request->user_request)) { scic_sds_request_set_status( this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS_IO_DONE_EARLY ); sci_base_state_machine_change_state( &this_request->started_substate_machine, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE ); //change the device state to ATAPI_ERROR. sci_base_state_machine_change_state( &this_request->target_device->ready_substate_machine, SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR ); status = this_request->sci_status; } break; case (SCU_TASK_DONE_EXCESS_DATA << SCU_COMPLETION_TL_STATUS_SHIFT): //In this case, there is no UF coming after. compelte the IO now. 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: if (this_request->sci_status != SCI_SUCCESS) { //The io status was set already. This means an UF for the status //fis was received already. //A device suspension event is expected, we need to have the device //coming out of suspension, then complete the IO. sci_base_state_machine_change_state( &this_request->started_substate_machine, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE ); //change the device state to ATAPI_ERROR. sci_base_state_machine_change_state( &this_request->target_device->ready_substate_machine, SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR ); status = this_request->sci_status; } else { //If receiving any non-sucess TC status, no UF received yet, then an UF for //the status fis is coming after. scic_sds_request_set_status( this_request, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); sci_base_state_machine_change_state( &this_request->started_substate_machine, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE ); } break; } return status; } /** * @brief This method processes an unsolicited frame. * * @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 UF * 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_stp_packet_request_command_phase_common_frame_handler( SCIC_SDS_REQUEST_T * request, U32 frame_index ) { SCI_STATUS status; SATA_FIS_HEADER_T * frame_header; U32 * frame_buffer; SCIC_SDS_STP_REQUEST_T * this_request; this_request = (SCIC_SDS_STP_REQUEST_T *)request; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_packet_request_command_phase_await_d2h_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(this_request->parent.owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { ASSERT(frame_header->fis_type == SATA_FIS_TYPE_REGD2H); // Get from the frame buffer the PIO Setup Data, although we don't need // any info from this pio setup fis. scic_sds_unsolicited_frame_control_get_buffer( &(this_request->parent.owning_controller->uf_control), frame_index, (void**) &frame_buffer ); scic_sds_controller_copy_sata_response( &this_request->d2h_reg_fis, (U32 *)frame_header, frame_buffer ); // Frame has been decoded return it to the controller scic_sds_controller_release_frame( this_request->parent.owning_controller, frame_index ); } return status; } /** * @brief This method processes an unsolicited frame while the packet request is * expecting TC completion. It will process the FIS and construct sense * data. * * @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 UF * 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_stp_packet_request_command_phase_await_tc_completion_frame_handler( SCIC_SDS_REQUEST_T * request, U32 frame_index ) { SCIC_SDS_STP_REQUEST_T * this_request = (SCIC_SDS_STP_REQUEST_T *)request; SCI_STATUS status = scic_sds_stp_packet_request_command_phase_common_frame_handler( request, frame_index); if (status == SCI_SUCCESS) { // The command has completed with error status from target device. status = scic_sds_stp_packet_request_process_status_fis( request, &this_request->d2h_reg_fis); if (status != SCI_SUCCESS) { scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, status ); } else scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_GOOD, SCI_SUCCESS ); } return status; } /** * @brief This method processes an unsolicited frame while the packet request is * expecting TC completion. It will process the FIS and construct sense * data. * * @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 UF * 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_stp_packet_request_command_phase_await_d2h_fis_frame_handler( SCIC_SDS_REQUEST_T * request, U32 frame_index ) { SCI_STATUS status = scic_sds_stp_packet_request_command_phase_common_frame_handler( request, frame_index); SCIC_SDS_STP_REQUEST_T * this_request = (SCIC_SDS_STP_REQUEST_T *)request; if (status == SCI_SUCCESS) { // The command has completed with error status from target device. status = scic_sds_stp_packet_request_process_status_fis( request, &this_request->d2h_reg_fis); if (status != SCI_SUCCESS) { scic_sds_request_set_status( request, SCU_TASK_DONE_CHECK_RESPONSE, status ); } else scic_sds_request_set_status( request, SCU_TASK_DONE_GOOD, SCI_SUCCESS ); //Always complete the NON_DATA command right away, no need to delay completion //even an error status fis came from target device. sci_base_state_machine_change_state( &request->parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); } return status; } static SCI_STATUS scic_sds_stp_packet_request_started_completion_delay_complete_handler( SCI_BASE_REQUEST_T *request ) { SCIC_SDS_REQUEST_T * this_request = (SCIC_SDS_REQUEST_T *)request; sci_base_state_machine_change_state( &this_request->parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); return this_request->sci_status; } // --------------------------------------------------------------------------- SCIC_SDS_IO_REQUEST_STATE_HANDLER_T scic_sds_stp_packet_request_started_substate_handler_table [SCIC_SDS_STP_PACKET_REQUEST_STARTED_MAX_SUBSTATES] = { // SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE { { scic_sds_request_default_start_handler, scic_sds_request_started_state_abort_handler, scic_sds_request_default_complete_handler, scic_sds_request_default_destruct_handler }, scic_sds_stp_packet_request_packet_phase_await_tc_completion_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler }, // SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE { { scic_sds_request_default_start_handler, scic_sds_request_started_state_abort_handler, scic_sds_request_default_complete_handler, scic_sds_request_default_destruct_handler }, scic_sds_request_default_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_stp_packet_request_packet_phase_await_pio_setup_frame_handler }, // SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE { { scic_sds_request_default_start_handler, scic_sds_request_started_state_abort_handler, scic_sds_request_default_complete_handler, scic_sds_request_default_destruct_handler }, scic_sds_stp_packet_request_command_phase_await_tc_completion_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_stp_packet_request_command_phase_await_tc_completion_frame_handler }, // SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE { { scic_sds_request_default_start_handler, scic_sds_request_started_state_abort_handler, scic_sds_request_default_complete_handler, scic_sds_request_default_destruct_handler }, scic_sds_request_default_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_stp_packet_request_command_phase_await_d2h_fis_frame_handler }, // SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE { { scic_sds_request_default_start_handler, scic_sds_request_started_state_abort_handler, scic_sds_stp_packet_request_started_completion_delay_complete_handler, scic_sds_request_default_destruct_handler }, scic_sds_request_default_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler } }; /** * @file * * @brief This file contains the Packet IO started substate machine * for the SCIC_SDS_IO_REQUEST object. */ static void scic_sds_stp_packet_request_started_packet_phase_await_tc_completion_enter( SCI_BASE_OBJECT_T *object ) { SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; SET_STATE_HANDLER( this_request, scic_sds_stp_packet_request_started_substate_handler_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE ); scic_sds_remote_device_set_working_request( this_request->target_device, this_request ); } static void scic_sds_stp_packet_request_started_packet_phase_await_pio_setup_enter( SCI_BASE_OBJECT_T *object ) { SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; SET_STATE_HANDLER( this_request, scic_sds_stp_packet_request_started_substate_handler_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE ); } static void scic_sds_stp_packet_request_started_command_phase_await_tc_completion_enter( SCI_BASE_OBJECT_T *object ) { SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; U8 sat_packet_protocol = this_request->sat_protocol; SCU_TASK_CONTEXT_T *task_context; SCI_STATUS status; // Recycle the TC and reconstruct it for sending out data fis containing // CDB. task_context = scic_sds_controller_get_task_context_buffer( this_request->owning_controller, this_request->io_tag); if (sat_packet_protocol == SAT_PROTOCOL_PACKET_NON_DATA) scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context( this_request, task_context); else scu_stp_packet_request_command_phase_construct_task_context( this_request, task_context); // send the new TC out. status = this_request->owning_controller->state_handlers->parent.continue_io_handler( &this_request->owning_controller->parent, &this_request->target_device->parent, &this_request->parent ); if (status == SCI_SUCCESS) SET_STATE_HANDLER( this_request, scic_sds_stp_packet_request_started_substate_handler_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE ); } static void scic_sds_stp_packet_request_started_command_phase_await_d2h_fis_enter( SCI_BASE_OBJECT_T *object ) { SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; SET_STATE_HANDLER( this_request, scic_sds_stp_packet_request_started_substate_handler_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE ); } static void scic_sds_stp_packet_request_started_completion_delay_enter( SCI_BASE_OBJECT_T *object ) { SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; SET_STATE_HANDLER( this_request, scic_sds_stp_packet_request_started_substate_handler_table, SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE ); } // --------------------------------------------------------------------------- SCI_BASE_STATE_T scic_sds_stp_packet_request_started_substate_table [SCIC_SDS_STP_PACKET_REQUEST_STARTED_MAX_SUBSTATES] = { { SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE, scic_sds_stp_packet_request_started_packet_phase_await_tc_completion_enter, NULL }, { SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE, scic_sds_stp_packet_request_started_packet_phase_await_pio_setup_enter, NULL }, { SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE, scic_sds_stp_packet_request_started_command_phase_await_tc_completion_enter, NULL }, { SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE, scic_sds_stp_packet_request_started_command_phase_await_d2h_fis_enter, NULL }, { SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE, scic_sds_stp_packet_request_started_completion_delay_enter, NULL } }; #endif //#if !defined(DISABLE_ATAPI)