/*- * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if !defined(DISABLE_ATAPI) #include #endif /** * This macro returns the address of the stp h2d reg fis buffer in the io * request memory */ #define scic_sds_stp_request_get_h2d_reg_buffer_unaligned(memory) \ ((SATA_FIS_REG_H2D_T *)( \ ((char *)(memory)) + sizeof(SCIC_SDS_STP_REQUEST_T) \ )) /** * This macro aligns the stp command buffer in DWORD alignment */ #define scic_sds_stp_request_align_h2d_reg_buffer(address) \ ((SATA_FIS_REG_H2D_T *)( \ (((POINTER_UINT)(address)) + (sizeof(U32) - 1)) \ & ~(sizeof(U32)- 1) \ )) /** * This macro returns the DWORD-aligned stp command buffer */ #define scic_sds_stp_request_get_h2d_reg_buffer(memory) \ ((SATA_FIS_REG_H2D_T *) \ ((char *)scic_sds_stp_request_align_h2d_reg_buffer( \ (char *) scic_sds_stp_request_get_h2d_reg_buffer_unaligned(memory) \ ))) /** * This macro returns the address of the stp response buffer in the io * request memory */ #define scic_sds_stp_request_get_response_buffer_unaligned(memory) \ ((SATA_FIS_REG_D2H_T *)( \ ((char *)(scic_sds_stp_request_get_h2d_reg_buffer(memory))) \ + sizeof(SATA_FIS_REG_H2D_T) \ )) /** * This macro aligns the stp response buffer in DWORD alignment */ #define scic_sds_stp_request_align_response_buffer(address) \ ((SATA_FIS_REG_D2H_T *)( \ (((POINTER_UINT)(address)) + (sizeof(U32) - 1)) \ & ~(sizeof(U32)- 1) \ )) /** * This macro returns the DWORD-aligned stp response buffer */ #define scic_sds_stp_request_get_response_buffer(memory) \ ((SATA_FIS_REG_D2H_T *) \ ((char *)scic_sds_stp_request_align_response_buffer( \ (char *)scic_sds_stp_request_get_response_buffer_unaligned(memory) \ ))) /** * This macro returns the address of the task context buffer in the io * request memory */ #define scic_sds_stp_request_get_task_context_buffer_unaligned(memory) \ ((SCU_TASK_CONTEXT_T *)( \ ((char *)(scic_sds_stp_request_get_response_buffer(memory))) \ + sizeof(SCI_SSP_RESPONSE_IU_T) \ )) /** * This macro returns the aligned task context buffer */ #define scic_sds_stp_request_get_task_context_buffer(memory) \ ((SCU_TASK_CONTEXT_T *)( \ ((char *)scic_sds_request_align_task_context_buffer( \ (char *)scic_sds_stp_request_get_task_context_buffer_unaligned(memory)) \ ))) /** * This macro returns the address of the sgl elment pairs in the io request * memory buffer */ #define scic_sds_stp_request_get_sgl_element_buffer(memory) \ ((SCU_SGL_ELEMENT_PAIR_T *)( \ ((char *)(scic_sds_stp_request_get_task_context_buffer(memory))) \ + sizeof(SCU_TASK_CONTEXT_T) \ )) /** * This method return the memory space commonly required for STP IO and * task requests. * * @return U32 */ static U32 scic_sds_stp_common_request_get_object_size(void) { return sizeof(SCIC_SDS_STP_REQUEST_T) + sizeof(SATA_FIS_REG_H2D_T) + sizeof(U32) + sizeof(SATA_FIS_REG_D2H_T) + sizeof(U32) + sizeof(SCU_TASK_CONTEXT_T) + CACHE_LINE_SIZE; } /** * This method return the memory space required for STP PIO requests. * * @return U32 */ U32 scic_sds_stp_request_get_object_size(void) { return scic_sds_stp_common_request_get_object_size() + sizeof(SCU_SGL_ELEMENT_PAIR_T) * SCU_MAX_SGL_ELEMENT_PAIRS; } /** * This method return the memory space required for STP task requests. * * @return U32 */ U32 scic_sds_stp_task_request_get_object_size(void) { return scic_sds_stp_common_request_get_object_size(); } /** * * * @param[in] this_request */ void scic_sds_stp_request_assign_buffers( SCIC_SDS_REQUEST_T * request ) { SCIC_SDS_STP_REQUEST_T * this_request = (SCIC_SDS_STP_REQUEST_T *)request; this_request->parent.command_buffer = scic_sds_stp_request_get_h2d_reg_buffer(this_request); this_request->parent.response_buffer = scic_sds_stp_request_get_response_buffer(this_request); this_request->parent.sgl_element_pair_buffer = scic_sds_stp_request_get_sgl_element_buffer(this_request); this_request->parent.sgl_element_pair_buffer = scic_sds_request_align_sgl_element_buffer(this_request->parent.sgl_element_pair_buffer); if (this_request->parent.was_tag_assigned_by_user == FALSE) { this_request->parent.task_context_buffer = scic_sds_stp_request_get_task_context_buffer(this_request); } } /** * @brief This method is will fill in the SCU Task Context for any type of * SATA request. This is called from the various SATA constructors. * * @pre The general io request construction is complete. * @pre The buffer assignment for the command buffer is complete. * * @param[in] this_request The general IO request object which is to be used * in constructing the SCU task context. * @param[in] task_context The buffer pointer for the SCU task context which * is being constructed. * * @return none * * @todo Revisit task context construction to determine what is common for * SSP/SMP/STP task context structures. */ void scu_sata_reqeust_construct_task_context( SCIC_SDS_REQUEST_T * this_request, SCU_TASK_CONTEXT_T * task_context ) { SCI_PHYSICAL_ADDRESS physical_address; SCIC_SDS_CONTROLLER_T *owning_controller; SCIC_SDS_REMOTE_DEVICE_T *target_device; SCIC_SDS_PORT_T *target_port; owning_controller = scic_sds_request_get_controller(this_request); target_device = scic_sds_request_get_device(this_request); target_port = scic_sds_request_get_port(this_request); // Fill in the TC with the its required data task_context->abort = 0; task_context->priority = SCU_TASK_PRIORITY_NORMAL; task_context->initiator_request = 1; task_context->connection_rate = scic_remote_device_get_connection_rate(target_device); task_context->protocol_engine_index = scic_sds_controller_get_protocol_engine_group(owning_controller); task_context->logical_port_index = scic_sds_port_get_index(target_port); task_context->protocol_type = SCU_TASK_CONTEXT_PROTOCOL_STP; task_context->valid = SCU_TASK_CONTEXT_VALID; task_context->context_type = SCU_TASK_CONTEXT_TYPE; task_context->remote_node_index = scic_sds_remote_device_get_index(this_request->target_device); task_context->command_code = 0; task_context->link_layer_control = 0; task_context->do_not_dma_ssp_good_response = 1; task_context->strict_ordering = 0; task_context->control_frame = 0; task_context->timeout_enable = 0; task_context->block_guard_enable = 0; task_context->address_modifier = 0; task_context->task_phase = 0x01; task_context->ssp_command_iu_length = (sizeof(SATA_FIS_REG_H2D_T) - sizeof(U32)) / sizeof(U32); // Set the first word of the H2D REG FIS task_context->type.words[0] = *(U32 *)this_request->command_buffer; if (this_request->was_tag_assigned_by_user) { // Build the task context now since we have already read the data this_request->post_context = ( SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | ( scic_sds_controller_get_protocol_engine_group(owning_controller) << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT ) | ( scic_sds_port_get_index(target_port) << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT ) | scic_sds_io_tag_get_index(this_request->io_tag) ); } else { // Build the task context now since we have already read the data this_request->post_context = ( SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | ( scic_sds_controller_get_protocol_engine_group(owning_controller) << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT ) | ( scic_sds_port_get_index(target_port) << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT ) // This is not assigned because we have to wait until we get a TCi ); } // Copy the physical address for the command buffer to the SCU Task Context // We must offset the command buffer by 4 bytes because the first 4 bytes are // transfered in the body of the TC scic_cb_io_request_get_physical_address( scic_sds_request_get_controller(this_request), this_request, ((char *)this_request->command_buffer) + sizeof(U32), &physical_address ); task_context->command_iu_upper = sci_cb_physical_address_upper(physical_address); task_context->command_iu_lower = sci_cb_physical_address_lower(physical_address); // SATA Requests do not have a response buffer task_context->response_iu_upper = 0; task_context->response_iu_lower = 0; } /** * This method will perform any general sata request construction. * * @todo What part of SATA IO request construction is general? * * @param[in] this_request * * @return none */ void scic_sds_stp_non_ncq_request_construct( SCIC_SDS_REQUEST_T * this_request ) { this_request->has_started_substate_machine = TRUE; } /** * This method will perform request construction common to all types of * STP requests that are optimized by the silicon (i.e. UDMA, NCQ). * * @param[in,out] this_request This parameter specifies the request to be * constructed as an optimized request. * @param[in] optimized_task_type This parameter specifies whether the * request is to be an UDMA request or a NCQ request. * - A value of 0 indicates UDMA. * - A value of 1 indicates NCQ. * * @return This method returns an indication as to whether the construction * was successful. */ static void scic_sds_stp_optimized_request_construct( SCIC_SDS_REQUEST_T * this_request, U8 optimized_task_type, U32 transfer_length, SCI_IO_REQUEST_DATA_DIRECTION data_direction ) { SCU_TASK_CONTEXT_T * task_context = this_request->task_context_buffer; // Build the STP task context structure scu_sata_reqeust_construct_task_context(this_request, task_context); // Copy over the number of bytes to be transfered task_context->transfer_length_bytes = transfer_length; if ( data_direction == SCI_IO_REQUEST_DATA_OUT ) { // The difference between the DMA IN and DMA OUT request task type // values are consistent with the difference between FPDMA READ // and FPDMA WRITE values. Add the supplied task type parameter // to this difference to set the task type properly for this // DATA OUT (WRITE) case. task_context->task_type = optimized_task_type + (SCU_TASK_TYPE_DMA_OUT - SCU_TASK_TYPE_DMA_IN); } else { // For the DATA IN (READ) case, simply save the supplied // optimized task type. task_context->task_type = optimized_task_type; } } /** * This method performs the operations common to all SATA/STP requests * utilizing the raw frame method. * * @param[in] this_request This parameter specifies the STP request object * for which to construct a RAW command frame task context. * @param[in] task_context This parameter specifies the SCU specific * task context buffer to construct. * * @return none */ void scu_stp_raw_request_construct_task_context( SCIC_SDS_STP_REQUEST_T * this_request, SCU_TASK_CONTEXT_T * task_context ) { scu_sata_reqeust_construct_task_context(&this_request->parent, task_context); task_context->control_frame = 0; task_context->priority = SCU_TASK_PRIORITY_NORMAL; task_context->task_type = SCU_TASK_TYPE_SATA_RAW_FRAME; task_context->type.stp.fis_type = SATA_FIS_TYPE_REGH2D; task_context->transfer_length_bytes = sizeof(SATA_FIS_REG_H2D_T) - sizeof(U32); } /** * This method will construct the STP Non-data request and its associated * TC data. A non-data request essentially behaves like a 0 length read * request in the SCU. * * @param[in] this_request This parameter specifies the core request * object to construction into an STP/SATA non-data request. * * @return This method currently always returns SCI_SUCCESS */ SCI_STATUS scic_sds_stp_non_data_request_construct( SCIC_SDS_REQUEST_T * this_request ) { scic_sds_stp_non_ncq_request_construct(this_request); // Build the STP 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_request_started_non_data_substate_table, SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE ); return SCI_SUCCESS; } SCI_STATUS scic_sds_stp_soft_reset_request_construct( SCIC_SDS_REQUEST_T * this_request ) { scic_sds_stp_non_ncq_request_construct(this_request); // Build the STP 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_request_started_soft_reset_substate_table, SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE ); return SCI_SUCCESS; } /** * @brief This method constructs the SATA request object. * * @param[in] this_request * @param[in] sat_protocol * @param[in] transfer_length * @param[in] data_direction * @param[in] copy_rx_frame * @param[in] do_translate_sgl This parameter specifies whether SGL * translation should be performed or if the user is handling * it. * * @return SCI_STATUS */ SCI_STATUS scic_sds_io_request_construct_sata( SCIC_SDS_REQUEST_T * this_request, U8 sat_protocol, U32 transfer_length, SCI_IO_REQUEST_DATA_DIRECTION data_direction, BOOL copy_rx_frame, BOOL do_translate_sgl ) { SCI_STATUS status = SCI_SUCCESS; this_request->protocol = SCIC_STP_PROTOCOL; this_request->sat_protocol = sat_protocol; switch (sat_protocol) { case SAT_PROTOCOL_FPDMA: scic_sds_stp_optimized_request_construct( this_request, SCU_TASK_TYPE_FPDMAQ_READ, transfer_length, data_direction ); // Copy over the SGL elements if (do_translate_sgl == TRUE) scic_sds_request_build_sgl(this_request); break; case SAT_PROTOCOL_UDMA_DATA_IN: case SAT_PROTOCOL_UDMA_DATA_OUT: scic_sds_stp_non_ncq_request_construct(this_request); scic_sds_stp_optimized_request_construct( this_request, SCU_TASK_TYPE_DMA_IN, transfer_length, data_direction ); // Copy over the SGL elements if (do_translate_sgl == TRUE) scic_sds_request_build_sgl(this_request); sci_base_state_machine_construct( &this_request->started_substate_machine, &this_request->parent.parent, scic_sds_stp_request_started_udma_substate_table, SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE ); break; case SAT_PROTOCOL_PIO_DATA_IN: case SAT_PROTOCOL_PIO_DATA_OUT: status = scic_sds_stp_pio_request_construct( this_request, sat_protocol, copy_rx_frame); break; case SAT_PROTOCOL_ATA_HARD_RESET: case SAT_PROTOCOL_SOFT_RESET: status = scic_sds_stp_soft_reset_request_construct(this_request); break; case SAT_PROTOCOL_NON_DATA: status = scic_sds_stp_non_data_request_construct(this_request); break; #if !defined(DISABLE_ATAPI) case SAT_PROTOCOL_PACKET_NON_DATA: case SAT_PROTOCOL_PACKET_DMA_DATA_IN: case SAT_PROTOCOL_PACKET_DMA_DATA_OUT: case SAT_PROTOCOL_PACKET_PIO_DATA_IN: case SAT_PROTOCOL_PACKET_PIO_DATA_OUT: status = scic_sds_stp_packet_request_construct(this_request); if (do_translate_sgl == TRUE) scic_sds_request_build_sgl(this_request); break; #endif case SAT_PROTOCOL_DMA_QUEUED: case SAT_PROTOCOL_DMA: case SAT_PROTOCOL_DEVICE_DIAGNOSTIC: case SAT_PROTOCOL_DEVICE_RESET: case SAT_PROTOCOL_RETURN_RESPONSE_INFO: default: SCIC_LOG_ERROR(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC IO Request 0x%x received un-handled SAT Protocol %d.\n", this_request, sat_protocol )); status = SCI_FAILURE; break; } if (status == SCI_SUCCESS) { scic_sds_request_initialize_state_logging(this_request); sci_base_state_machine_change_state( &this_request->parent.state_machine, SCI_BASE_REQUEST_STATE_CONSTRUCTED ); } return status; } //**************************************************************************** //* SCIC Interface Implementation //**************************************************************************** void scic_stp_io_request_set_ncq_tag( SCI_IO_REQUEST_HANDLE_T scic_io_request, U16 ncq_tag ) { /** * @note This could be made to return an error to the user if the user * attempts to set the NCQ tag in the wrong state. */ SCIC_SDS_REQUEST_T * this_request = (SCIC_SDS_REQUEST_T *)scic_io_request; this_request->task_context_buffer->type.stp.ncq_tag = ncq_tag; } // --------------------------------------------------------------------------- void * scic_stp_io_request_get_h2d_reg_address( SCI_IO_REQUEST_HANDLE_T scic_io_request ) { SCIC_SDS_REQUEST_T * this_request = (SCIC_SDS_REQUEST_T *)scic_io_request; return this_request->command_buffer; } // --------------------------------------------------------------------------- void * scic_stp_io_request_get_d2h_reg_address( SCI_IO_REQUEST_HANDLE_T scic_io_request ) { SCIC_SDS_STP_REQUEST_T * this_request = (SCIC_SDS_STP_REQUEST_T *)scic_io_request; return &this_request->d2h_reg_fis; } /** * Get the next SGL element from the request. * - Check on which SGL element pair we are working * - if working on SLG pair element A * - advance to element B * - else * - check to see if there are more SGL element pairs * for this IO request * - if there are more SGL element pairs * - advance to the next pair and return element A * * @param[in] this_request * * @return SCU_SGL_ELEMENT_T* */ SCU_SGL_ELEMENT_T * scic_sds_stp_request_pio_get_next_sgl( SCIC_SDS_STP_REQUEST_T * this_request ) { SCU_SGL_ELEMENT_T * current_sgl; if (this_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A) { if ( (this_request->type.pio.request_current.sgl_pair->B.address_lower == 0) && (this_request->type.pio.request_current.sgl_pair->B.address_upper == 0) ) { current_sgl = NULL; } else { this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_B; current_sgl = &(this_request->type.pio.request_current.sgl_pair->B); } } else { if ( (this_request->type.pio.request_current.sgl_pair->next_pair_lower == 0) && (this_request->type.pio.request_current.sgl_pair->next_pair_upper == 0) ) { current_sgl = NULL; } else { this_request->type.pio.request_current.sgl_pair = scic_sds_request_get_sgl_element_pair( &(this_request->parent), ++this_request->type.pio.sgl_pair_index ); this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A; current_sgl = &(this_request->type.pio.request_current.sgl_pair->A); } } return current_sgl; } /** * This method will construct the SATA PIO request. * * @param[in] scic_io_request The core request object which is cast to a SATA * PIO request object. * * @return This method returns an indication as to whether the construction * was successful. * @retval SCI_SUCCESS Currently this method always returns this value. */ SCI_STATUS scic_sds_stp_pio_request_construct( SCIC_SDS_REQUEST_T * scic_io_request, U8 sat_protocol, BOOL copy_rx_frame ) { SCIC_SDS_STP_REQUEST_T * this_request; this_request = (SCIC_SDS_STP_REQUEST_T *)scic_io_request; scic_sds_stp_non_ncq_request_construct(&this_request->parent); scu_stp_raw_request_construct_task_context( this_request, this_request->parent.task_context_buffer ); this_request->type.pio.current_transfer_bytes = 0; this_request->type.pio.ending_error = 0; this_request->type.pio.ending_status = 0; this_request->type.pio.request_current.sgl_offset = 0; this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A; this_request->type.pio.sat_protocol = sat_protocol; this_request->type.pio.sgl_pair_index = 0; if ((copy_rx_frame) || (sat_protocol == SAT_PROTOCOL_PIO_DATA_OUT)) { scic_sds_request_build_sgl(&this_request->parent); // Since the IO request copy of the TC contains the same data as // the actual TC this pointer is vaild for either. this_request->type.pio.request_current.sgl_pair = &this_request->parent.task_context_buffer->sgl_pair_ab; } else { // The user does not want the data copied to the SGL buffer location this_request->type.pio.request_current.sgl_pair = NULL; } sci_base_state_machine_construct( &this_request->parent.started_substate_machine, &this_request->parent.parent.parent, scic_sds_stp_request_started_pio_substate_table, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE ); return SCI_SUCCESS; } //****************************************************************************** //* STP NON-DATA STATE MACHINE //****************************************************************************** /** * This method processes a TC completion. The expected TC completion is * for the transmission of the H2D register FIS containing the SATA/STP * non-data request. * * @param[in] this_request * @param[in] completion_code * * @return This method always successfully processes the TC completion. * @retval SCI_SUCCESS This value is always returned. */ static SCI_STATUS scic_sds_stp_request_non_data_await_h2d_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_STP_IO_REQUEST, "scic_sds_stp_request_non_data_await_h2d_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_REQUEST_STARTED_NON_DATA_AWAIT_D2H_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 SCI_SUCCESS; } /** * This method processes frames received from the target while waiting * for a device to host register FIS. If a non-register FIS is received * during this time, it is treated as a protocol violation from an * IO perspective. * * @param[in] request This parameter specifies the request for which a * frame has been received. * @param[in] frame_index This parameter specifies the index of the frame * that has been received. * * @return Indicate if the received frame was processed successfully. */ static SCI_STATUS scic_sds_stp_request_non_data_await_d2h_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 = (SCIC_SDS_STP_REQUEST_T *)request; // Save off the controller, so that we do not touch the request after it // is completed. SCIC_SDS_CONTROLLER_T * owning_controller = this_request->parent.owning_controller; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_request_non_data_await_d2h_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { switch (frame_header->fis_type) { case SATA_FIS_TYPE_REGD2H: scic_sds_unsolicited_frame_control_get_buffer( &(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 ); // The command has completed with error scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); break; default: SCIC_LOG_WARNING(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "IO Request:0x%x Frame Id:%d protocol violation occurred\n", this_request, frame_index )); scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_UNEXP_FIS, SCI_FAILURE_PROTOCOL_VIOLATION ); break; } sci_base_state_machine_change_state( &this_request->parent.parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); // Frame has been decoded return it to the controller scic_sds_controller_release_frame( owning_controller, frame_index ); } 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; } // --------------------------------------------------------------------------- SCIC_SDS_IO_REQUEST_STATE_HANDLER_T scic_sds_stp_request_started_non_data_substate_handler_table [SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_MAX_SUBSTATES] = { // SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_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_request_non_data_await_h2d_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_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_request_non_data_await_d2h_frame_handler } }; static void scic_sds_stp_request_started_non_data_await_h2d_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_request_started_non_data_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE ); scic_sds_remote_device_set_working_request( this_request->target_device, this_request ); } static void scic_sds_stp_request_started_non_data_await_d2h_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_request_started_non_data_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_SUBSTATE ); } // --------------------------------------------------------------------------- SCI_BASE_STATE_T scic_sds_stp_request_started_non_data_substate_table [SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_MAX_SUBSTATES] = { { SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE, scic_sds_stp_request_started_non_data_await_h2d_completion_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_SUBSTATE, scic_sds_stp_request_started_non_data_await_d2h_enter, NULL } }; //****************************************************************************** //* STP PIO STATE MACHINE //****************************************************************************** #define SCU_MAX_FRAME_BUFFER_SIZE 0x400 // 1K is the maximum SCU frame data payload /** * This function will transmit DATA_FIS from (current sgl + offset) for input parameter length. * current sgl and offset is alreay stored in the IO request * * @param[in] this_request * @param[in] length * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_out_trasmit_data_frame ( SCIC_SDS_REQUEST_T * this_request, U32 length ) { SCI_STATUS status = SCI_SUCCESS; SCU_SGL_ELEMENT_T * current_sgl; SCIC_SDS_STP_REQUEST_T * this_sds_stp_request = (SCIC_SDS_STP_REQUEST_T *)this_request; // Recycle the TC and reconstruct it for sending out DATA FIS containing // for the data from current_sgl+offset for the input length SCU_TASK_CONTEXT_T * task_context = scic_sds_controller_get_task_context_buffer( this_request->owning_controller, this_request->io_tag ); if (this_sds_stp_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A) { current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->A); } else { current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->B); } //update the TC task_context->command_iu_upper = current_sgl->address_upper; task_context->command_iu_lower = current_sgl->address_lower; task_context->transfer_length_bytes = length; task_context->type.stp.fis_type = SATA_FIS_TYPE_DATA; // 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 ); return status; } /** * * * @param[in] this_request * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_out_transmit_data( SCIC_SDS_REQUEST_T * this_sds_request ) { SCU_SGL_ELEMENT_T * current_sgl; U32 sgl_offset; U32 remaining_bytes_in_current_sgl = 0; SCI_STATUS status = SCI_SUCCESS; SCIC_SDS_STP_REQUEST_T * this_sds_stp_request = (SCIC_SDS_STP_REQUEST_T *)this_sds_request; sgl_offset = this_sds_stp_request->type.pio.request_current.sgl_offset; if (this_sds_stp_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A) { current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->A); remaining_bytes_in_current_sgl = this_sds_stp_request->type.pio.request_current.sgl_pair->A.length - sgl_offset; } else { current_sgl = &(this_sds_stp_request->type.pio.request_current.sgl_pair->B); remaining_bytes_in_current_sgl = this_sds_stp_request->type.pio.request_current.sgl_pair->B.length - sgl_offset; } if (this_sds_stp_request->type.pio.pio_transfer_bytes > 0) { if (this_sds_stp_request->type.pio.pio_transfer_bytes >= remaining_bytes_in_current_sgl ) { //recycle the TC and send the H2D Data FIS from (current sgl + sgl_offset) and length = remaining_bytes_in_current_sgl status = scic_sds_stp_request_pio_data_out_trasmit_data_frame (this_sds_request, remaining_bytes_in_current_sgl); if (status == SCI_SUCCESS) { this_sds_stp_request->type.pio.pio_transfer_bytes -= remaining_bytes_in_current_sgl; sgl_offset = 0; } } else if (this_sds_stp_request->type.pio.pio_transfer_bytes < remaining_bytes_in_current_sgl ) { //recycle the TC and send the H2D Data FIS from (current sgl + sgl_offset) and length = type.pio.pio_transfer_bytes scic_sds_stp_request_pio_data_out_trasmit_data_frame (this_sds_request, this_sds_stp_request->type.pio.pio_transfer_bytes); if (status == SCI_SUCCESS) { //Sgl offset will be adjusted and saved for future sgl_offset += this_sds_stp_request->type.pio.pio_transfer_bytes; current_sgl->address_lower += this_sds_stp_request->type.pio.pio_transfer_bytes; this_sds_stp_request->type.pio.pio_transfer_bytes = 0; } } } if (status == SCI_SUCCESS) { this_sds_stp_request->type.pio.request_current.sgl_offset = sgl_offset; } return status; } /** * Copy the data from the buffer for the length specified to the IO reqeust * SGL specified data region. * * @param[in] this_request The request that is used for the SGL processing. * @param[in] data_buffer The buffer of data to be copied. * @param[in] length The length of the data transfer. * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_in_copy_data_buffer( SCIC_SDS_STP_REQUEST_T * this_request, U8 * data_buffer, U32 length ) { SCI_STATUS status; SCU_SGL_ELEMENT_T * current_sgl; U32 sgl_offset; U32 data_offset; U8 * source_address; // Initial setup to get the current working SGL and the offset within the buffer current_sgl = (this_request->type.pio.request_current.sgl_set == SCU_SGL_ELEMENT_PAIR_A) ? &(this_request->type.pio.request_current.sgl_pair->A) : &(this_request->type.pio.request_current.sgl_pair->B) ; sgl_offset = this_request->type.pio.request_current.sgl_offset; source_address = data_buffer; data_offset = this_request->type.pio.current_transfer_bytes; status = SCI_SUCCESS; // While we are still doing Ok and there is more data to transfer while ( (length > 0) && (status == SCI_SUCCESS) ) { if (current_sgl->length == sgl_offset) { // This SGL has been exauhasted so we need to get the next SGL current_sgl = scic_sds_stp_request_pio_get_next_sgl(this_request); if (current_sgl == NULL) status = SCI_FAILURE; else sgl_offset = 0; } else { #ifdef ENABLE_OSSL_COPY_BUFFER scic_cb_io_request_copy_buffer(this_request, data_buffer, data_offset, length); length = 0; #else U8 * destination_address; U32 copy_length; destination_address = (U8 *)scic_cb_io_request_get_virtual_address_from_sgl( this_request, data_offset ); copy_length = MIN(length, current_sgl->length - sgl_offset); memcpy(destination_address, source_address, copy_length); length -= copy_length; sgl_offset += copy_length; data_offset += copy_length; #endif } } this_request->type.pio.request_current.sgl_offset = sgl_offset; return status; } /** * Copy the data buffer to the io request data region. * * @param[in] this_request The PIO DATA IN request that is to receive the * data. * @param[in] data_buffer The buffer to copy from. * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_in_copy_data( SCIC_SDS_STP_REQUEST_T * this_request, U8 * data_buffer ) { SCI_STATUS status; // If there is less than 1K remaining in the transfer request // copy just the data for the transfer if (this_request->type.pio.pio_transfer_bytes < SCU_MAX_FRAME_BUFFER_SIZE) { status = scic_sds_stp_request_pio_data_in_copy_data_buffer( this_request,data_buffer,this_request->type.pio.pio_transfer_bytes); if (status == SCI_SUCCESS) { // All data for this PIO request has now been copied, so we don't // technically need to update current_transfer_bytes here - just // doing it for completeness. this_request->type.pio.current_transfer_bytes += this_request->type.pio.pio_transfer_bytes; this_request->type.pio.pio_transfer_bytes = 0; } } else { // We are transfering the whole frame so copy status = scic_sds_stp_request_pio_data_in_copy_data_buffer( this_request, data_buffer, SCU_MAX_FRAME_BUFFER_SIZE); if (status == SCI_SUCCESS) { this_request->type.pio.pio_transfer_bytes -= SCU_MAX_FRAME_BUFFER_SIZE; this_request->type.pio.current_transfer_bytes += SCU_MAX_FRAME_BUFFER_SIZE; } } return status; } /** * * * @param[in] this_request * @param[in] completion_code * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_await_h2d_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_request_pio_data_in_await_h2d_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_REQUEST_STARTED_PIO_AWAIT_FRAME_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; } /** * * * @param[in] this_request * @param[in] frame_index * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_await_frame_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; SCIC_SDS_CONTROLLER_T * owning_controller; this_request = (SCIC_SDS_STP_REQUEST_T *)request; // Save off the controller, so that we do not touch the request after it // is completed. owning_controller = this_request->parent.owning_controller; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_request_pio_data_in_await_frame_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { switch (frame_header->fis_type) { case SATA_FIS_TYPE_PIO_SETUP: // Get from the frame buffer the PIO Setup Data scic_sds_unsolicited_frame_control_get_buffer( &(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.pio.pio_transfer_bytes = (U16)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->transfter_count; this_request->type.pio.ending_status = (U8)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->ending_status; scic_sds_controller_copy_sata_response( &this_request->d2h_reg_fis, (U32 *)frame_header, frame_buffer ); this_request->d2h_reg_fis.status = this_request->type.pio.ending_status; //The next state is dependent on whether the request was PIO Data-in or Data out if (this_request->type.pio.sat_protocol == SAT_PROTOCOL_PIO_DATA_IN) { sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE ); } else if (this_request->type.pio.sat_protocol == SAT_PROTOCOL_PIO_DATA_OUT) { //Transmit data status = scic_sds_stp_request_pio_data_out_transmit_data ( request); if (status == SCI_SUCCESS) { sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE ); } } break; case SATA_FIS_TYPE_SETDEVBITS: sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE ); break; case SATA_FIS_TYPE_REGD2H: if ( (frame_header->status & ATA_STATUS_REG_BSY_BIT) == 0) { scic_sds_unsolicited_frame_control_get_buffer( &(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); scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); sci_base_state_machine_change_state( &this_request->parent.parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); } else { // Now why is the drive sending a D2H Register FIS when it is still busy? // Do nothing since we are still in the right state. SCIC_LOG_INFO(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC PIO Request 0x%x received D2H Register FIS with BSY status 0x%x\n", this_request, frame_header->status )); } break; default: break; } // Frame is decoded return it to the controller scic_sds_controller_release_frame( owning_controller, frame_index ); } 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; } /** * * * @param[in] this_request * @param[in] frame_index * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_in_await_data_frame_handler( SCIC_SDS_REQUEST_T * request, U32 frame_index ) { SCI_STATUS status; SATA_FIS_HEADER_T * frame_header; SATA_FIS_DATA_T * frame_buffer; SCIC_SDS_STP_REQUEST_T * this_request; SCIC_SDS_CONTROLLER_T * owning_controller; this_request = (SCIC_SDS_STP_REQUEST_T *)request; // Save off the controller, so that we do not touch the request after it // is completed. owning_controller = this_request->parent.owning_controller; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_request_pio_data_in_await_data_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { if (frame_header->fis_type == SATA_FIS_TYPE_DATA) { if (this_request->type.pio.request_current.sgl_pair == NULL) { this_request->parent.saved_rx_frame_index = frame_index; this_request->type.pio.pio_transfer_bytes = 0; } else { status = scic_sds_unsolicited_frame_control_get_buffer( &(owning_controller->uf_control), frame_index, (void**) &frame_buffer ); status = scic_sds_stp_request_pio_data_in_copy_data(this_request, (U8 *)frame_buffer); // Frame is decoded return it to the controller scic_sds_controller_release_frame( owning_controller, frame_index ); } // Check for the end of the transfer, are there more bytes remaining // for this data transfer if ( (status == SCI_SUCCESS) && (this_request->type.pio.pio_transfer_bytes == 0) ) { if ((this_request->type.pio.ending_status & ATA_STATUS_REG_BSY_BIT) == 0) { scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); sci_base_state_machine_change_state( &this_request->parent.parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); } else { sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE ); } } } else { SCIC_LOG_ERROR(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC PIO Request 0x%x received frame %d with fis type 0x%02x when expecting a data fis.\n", this_request, frame_index, frame_header->fis_type )); scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_GOOD, SCI_FAILURE_IO_REQUIRES_SCSI_ABORT ); sci_base_state_machine_change_state( &this_request->parent.parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); // Frame is decoded return it to the controller scic_sds_controller_release_frame( owning_controller, frame_index ); } } 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; } /** * * * @param[in] this_request * @param[in] completion_code * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_pio_data_out_await_data_transmit_completion_tc_completion_handler( SCIC_SDS_REQUEST_T * this_request, U32 completion_code ) { SCI_STATUS status = SCI_SUCCESS; BOOL all_frames_transferred = FALSE; SCIC_SDS_STP_REQUEST_T *this_scic_sds_stp_request = (SCIC_SDS_STP_REQUEST_T *) this_request; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_request_pio_data_in_await_h2d_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): //Transmit data if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes != 0) { status = scic_sds_stp_request_pio_data_out_transmit_data ( this_request); if (status == SCI_SUCCESS) { if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes == 0) all_frames_transferred = TRUE; } } else if (this_scic_sds_stp_request->type.pio.pio_transfer_bytes == 0) { //this will happen if the all data is written at the first time after the pio setup fis is recieved all_frames_transferred = TRUE; } //all data transferred. if (all_frames_transferred) { //Change the state to SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_FRAME_SUBSTATE //and wait for PIO_SETUP fis / or D2H REg fis. sci_base_state_machine_change_state( &this_request->started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_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; } /** * This method will handle any link layer events while waiting for the data * frame. * * @param[in] request This is the request which is receiving the event. * @param[in] event_code This is the event code that the request on which the * request is expected to take action. * * @return SCI_STATUS * @retval SCI_SUCCESS * @retval SCI_FAILURE */ static SCI_STATUS scic_sds_stp_request_pio_data_in_await_data_event_handler( SCIC_SDS_REQUEST_T * request, U32 event_code ) { SCI_STATUS status; switch (scu_get_event_specifier(event_code)) { case SCU_TASK_DONE_CRC_ERR << SCU_EVENT_SPECIFIC_CODE_SHIFT: // We are waiting for data and the SCU has R_ERR the data frame. // Go back to waiting for the D2H Register FIS sci_base_state_machine_change_state( &request->started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE ); status = SCI_SUCCESS; break; default: SCIC_LOG_ERROR(( sci_base_object_get_logger(request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC PIO Request 0x%x received unexpected event 0x%08x\n", request, event_code )); /// @todo Should we fail the PIO request when we get an unexpected event? status = SCI_FAILURE; break; } return status; } // --------------------------------------------------------------------------- SCIC_SDS_IO_REQUEST_STATE_HANDLER_T scic_sds_stp_request_started_pio_substate_handler_table [SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES] = { // SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_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_request_pio_await_h2d_completion_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE { { scic_sds_request_default_start_handler, //scic_sds_stp_pio_request_data_in_await_frame_abort_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_request_pio_await_frame_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE { { scic_sds_request_default_start_handler, //scic_sds_stp_pio_request_data_in_await_data_abort_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_stp_request_pio_data_in_await_data_event_handler, scic_sds_stp_request_pio_data_in_await_data_frame_handler }, //SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_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_request_pio_data_out_await_data_transmit_completion_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler } }; static void scic_sds_stp_request_started_pio_await_h2d_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_request_started_pio_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE ); scic_sds_remote_device_set_working_request( this_request->target_device, this_request); } static void scic_sds_stp_request_started_pio_await_frame_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_request_started_pio_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE ); } static void scic_sds_stp_request_started_pio_data_in_await_data_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_request_started_pio_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE ); } static void scic_sds_stp_request_started_pio_data_out_transmit_data_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_request_started_pio_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE ); } // --------------------------------------------------------------------------- SCI_BASE_STATE_T scic_sds_stp_request_started_pio_substate_table [SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES] = { { SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE, scic_sds_stp_request_started_pio_await_h2d_completion_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE, scic_sds_stp_request_started_pio_await_frame_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE, scic_sds_stp_request_started_pio_data_in_await_data_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE, scic_sds_stp_request_started_pio_data_out_transmit_data_enter, NULL } }; //****************************************************************************** //* UDMA REQUEST STATE MACHINE //****************************************************************************** static void scic_sds_stp_request_udma_complete_request( SCIC_SDS_REQUEST_T * this_request, U32 scu_status, SCI_STATUS sci_status ) { scic_sds_request_set_status( this_request, scu_status, sci_status ); sci_base_state_machine_change_state( &this_request->parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); } /** * * * @param[in] this_request * @param[in] frame_index * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_udma_general_frame_handler( SCIC_SDS_REQUEST_T * this_request, U32 frame_index ) { SCI_STATUS status; SATA_FIS_HEADER_T * frame_header; U32 * frame_buffer; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_pio_request_data_in_await_frame_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &this_request->owning_controller->uf_control, frame_index, (void**) &frame_header ); if ( (status == SCI_SUCCESS) && (frame_header->fis_type == SATA_FIS_TYPE_REGD2H) ) { scic_sds_unsolicited_frame_control_get_buffer( &this_request->owning_controller->uf_control, frame_index, (void**) &frame_buffer ); scic_sds_controller_copy_sata_response( &((SCIC_SDS_STP_REQUEST_T *)this_request)->d2h_reg_fis, (U32 *)frame_header, frame_buffer ); } scic_sds_controller_release_frame( this_request->owning_controller, frame_index); return status; } /** * @brief This method process TC completions while in the state where * we are waiting for TC completions. * * @param[in] this_request * @param[in] completion_code * * @return SCI_STATUS */ static SCI_STATUS scic_sds_stp_request_udma_await_tc_completion_tc_completion_handler( SCIC_SDS_REQUEST_T * request, U32 completion_code ) { SCI_STATUS status = SCI_SUCCESS; SCIC_SDS_STP_REQUEST_T * this_request = (SCIC_SDS_STP_REQUEST_T *)request; switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): scic_sds_stp_request_udma_complete_request( &this_request->parent, SCU_TASK_DONE_GOOD, SCI_SUCCESS ); break; case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_UNEXP_FIS): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_REG_ERR): // We must check ther response buffer to see if the D2H Register FIS was // received before we got the TC completion. if (this_request->d2h_reg_fis.fis_type == SATA_FIS_TYPE_REGD2H) { scic_sds_remote_device_suspend( this_request->parent.target_device, SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)) ); scic_sds_stp_request_udma_complete_request( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); } else { // If we have an error completion status for the TC then we can expect a // D2H register FIS from the device so we must change state to wait for it sci_base_state_machine_change_state( &this_request->parent.started_substate_machine, SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE ); } break; /// @todo Check to see if any of these completion status need to wait for /// the device to host register fis. /// @todo We can retry the command for SCU_TASK_DONE_CMD_LL_R_ERR - this comes only for B0 case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_INV_FIS_LEN): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_MAX_PLD_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_LL_R_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CMD_LL_R_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CRC_ERR): scic_sds_remote_device_suspend( this_request->parent.target_device, SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)) ); // Fall through to the default case default: // All other completion status cause the IO to be complete. SCIC_LOG_ERROR(( sci_base_object_get_logger(&this_request->parent), SCIC_LOG_OBJECT_STP_IO_REQUEST, "SCIC IO Request 0x%x returning CONTROLLER_SPECIFIC_IO_ERR for completion code 0x%x\n", &this_request->parent, completion_code )); scic_sds_stp_request_udma_complete_request( &this_request->parent, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR ); break; } return status; } static SCI_STATUS scic_sds_stp_request_udma_await_d2h_reg_fis_frame_handler( SCIC_SDS_REQUEST_T * this_request, U32 frame_index ) { SCI_STATUS status; // Use the general frame handler to copy the resposne data status = scic_sds_stp_request_udma_general_frame_handler(this_request, frame_index); if (status == SCI_SUCCESS) { scic_sds_stp_request_udma_complete_request( this_request, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); } return status; } // --------------------------------------------------------------------------- SCIC_SDS_IO_REQUEST_STATE_HANDLER_T scic_sds_stp_request_started_udma_substate_handler_table [SCIC_SDS_STP_REQUEST_STARTED_UDMA_MAX_SUBSTATES] = { // SCIC_SDS_STP_REQUEST_STARTED_UDMA_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_request_udma_await_tc_completion_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_stp_request_udma_general_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_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_request_udma_await_d2h_reg_fis_frame_handler } }; /** * * * @param[in] object */ static void scic_sds_stp_request_started_udma_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_request_started_udma_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE ); } /** * This state is entered when there is an TC completion failure. The hardware * received an unexpected condition while processing the IO request and now * will UF the D2H register FIS to complete the IO. * * @param[in] object */ static void scic_sds_stp_request_started_udma_await_d2h_reg_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_request_started_udma_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE ); } // --------------------------------------------------------------------------- SCI_BASE_STATE_T scic_sds_stp_request_started_udma_substate_table [SCIC_SDS_STP_REQUEST_STARTED_UDMA_MAX_SUBSTATES] = { { SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE, scic_sds_stp_request_started_udma_await_tc_completion_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE, scic_sds_stp_request_started_udma_await_d2h_reg_fis_enter, NULL } }; //****************************************************************************** //* STP SOFT RESET STATE MACHINE //****************************************************************************** /** * This method processes a TC completion. The expected TC completion is * for the transmission of the H2D register FIS containing the SATA/STP * non-data request. * * @param[in] this_request * @param[in] completion_code * * @return This method always successfully processes the TC completion. * @retval SCI_SUCCESS This value is always returned. */ static SCI_STATUS scic_sds_stp_request_soft_reset_await_h2d_asserted_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_STP_IO_REQUEST, "scic_sds_stp_request_soft_reset_await_h2d_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_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_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 SCI_SUCCESS; } /** * This method processes a TC completion. The expected TC completion is * for the transmission of the H2D register FIS containing the SATA/STP * non-data request. * * @param[in] this_request * @param[in] completion_code * * @return This method always successfully processes the TC completion. * @retval SCI_SUCCESS This value is always returned. */ static SCI_STATUS scic_sds_stp_request_soft_reset_await_h2d_diagnostic_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_STP_IO_REQUEST, "scic_sds_stp_request_soft_reset_await_h2d_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_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_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 SCI_SUCCESS; } /** * This method processes frames received from the target while waiting * for a device to host register FIS. If a non-register FIS is received * during this time, it is treated as a protocol violation from an * IO perspective. * * @param[in] request This parameter specifies the request for which a * frame has been received. * @param[in] frame_index This parameter specifies the index of the frame * that has been received. * * @return Indicate if the received frame was processed successfully. */ static SCI_STATUS scic_sds_stp_request_soft_reset_await_d2h_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 = (SCIC_SDS_STP_REQUEST_T *)request; // Save off the controller, so that we do not touch the request after it // is completed. SCIC_SDS_CONTROLLER_T * owning_controller = this_request->parent.owning_controller; SCIC_LOG_TRACE(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_sds_stp_request_soft_reset_await_d2h_frame_handler(0x%x, 0x%x) enter\n", this_request, frame_index )); status = scic_sds_unsolicited_frame_control_get_header( &(owning_controller->uf_control), frame_index, (void**) &frame_header ); if (status == SCI_SUCCESS) { switch (frame_header->fis_type) { case SATA_FIS_TYPE_REGD2H: scic_sds_unsolicited_frame_control_get_buffer( &(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 ); // The command has completed with error scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID ); break; default: SCIC_LOG_WARNING(( sci_base_object_get_logger(this_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "IO Request:0x%x Frame Id:%d protocol violation occurred\n", this_request, frame_index )); scic_sds_request_set_status( &this_request->parent, SCU_TASK_DONE_UNEXP_FIS, SCI_FAILURE_PROTOCOL_VIOLATION ); break; } sci_base_state_machine_change_state( &this_request->parent.parent.state_machine, SCI_BASE_REQUEST_STATE_COMPLETED ); // Frame has been decoded return it to the controller scic_sds_controller_release_frame( owning_controller, frame_index ); } 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; } // --------------------------------------------------------------------------- SCIC_SDS_IO_REQUEST_STATE_HANDLER_T scic_sds_stp_request_started_soft_reset_substate_handler_table [SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_MAX_SUBSTATES] = { // SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_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_request_soft_reset_await_h2d_asserted_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_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_request_soft_reset_await_h2d_diagnostic_tc_completion_handler, scic_sds_request_default_event_handler, scic_sds_request_default_frame_handler }, // SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_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_request_soft_reset_await_d2h_frame_handler } }; static void scic_sds_stp_request_started_soft_reset_await_h2d_asserted_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_request_started_soft_reset_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE ); scic_sds_remote_device_set_working_request( this_request->target_device, this_request ); } static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter( SCI_BASE_OBJECT_T *object ) { SCI_STATUS status; SCIC_SDS_REQUEST_T *this_request = (SCIC_SDS_REQUEST_T *)object; SATA_FIS_REG_H2D_T *h2d_fis; SCU_TASK_CONTEXT_T *task_context; // Clear the SRST bit h2d_fis = scic_stp_io_request_get_h2d_reg_address(this_request); h2d_fis->control = 0; // Clear the TC control bit task_context = scic_sds_controller_get_task_context_buffer( this_request->owning_controller, this_request->io_tag); task_context->control_frame = 0; 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_request_started_soft_reset_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_SUBSTATE ); } } static void scic_sds_stp_request_started_soft_reset_await_d2h_response_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_request_started_soft_reset_substate_handler_table, SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE ); } // --------------------------------------------------------------------------- SCI_BASE_STATE_T scic_sds_stp_request_started_soft_reset_substate_table [SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_MAX_SUBSTATES] = { { SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE, scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_SUBSTATE, scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter, NULL }, { SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE, scic_sds_stp_request_started_soft_reset_await_d2h_response_enter, NULL } }; // --------------------------------------------------------------------------- SCI_STATUS scic_io_request_construct_basic_sata( SCI_IO_REQUEST_HANDLE_T scic_io_request ) { SCI_STATUS status; SCIC_SDS_REQUEST_T * request = (SCIC_SDS_REQUEST_T *)scic_io_request; SCIC_LOG_TRACE(( sci_base_object_get_logger(scic_io_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_io_request_construct_basic_sata(0x%x) enter\n", scic_io_request )); status = scic_sds_io_request_construct_sata( request, scic_cb_request_get_sat_protocol(request->user_request), scic_cb_io_request_get_transfer_length(request->user_request), scic_cb_io_request_get_data_direction(request->user_request), scic_cb_io_request_do_copy_rx_frames(request->user_request), TRUE ); return status; } // --------------------------------------------------------------------------- SCI_STATUS scic_io_request_construct_advanced_sata( SCI_IO_REQUEST_HANDLE_T scic_io_request, SCIC_IO_SATA_PARAMETERS_T * io_parameters ) { SCI_STATUS status; SCIC_SDS_REQUEST_T * request = (SCIC_SDS_REQUEST_T *)scic_io_request; SCIC_LOG_TRACE(( sci_base_object_get_logger(scic_io_request), SCIC_LOG_OBJECT_STP_IO_REQUEST, "scic_io_request_construct_basic_sata(0x%x) enter\n", scic_io_request )); status = scic_sds_io_request_construct_sata( request, scic_cb_request_get_sat_protocol(request->user_request), scic_sds_request_get_sgl_element_pair(request, 0)->A.length, scic_cb_io_request_get_data_direction(request->user_request), scic_cb_io_request_do_copy_rx_frames(request->user_request), io_parameters->do_translate_sgl ); return status; }