FreeBSD/Linux Kernel Cross Reference
sys/dev/isci/scil/sati_abort_task_set.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
      *
      * 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
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     * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    /**
     * @file
     *
     * @brief This file contains the method implementations required to
     *        translate the SCSI abort task set command.
     */
    
    #if !defined(DISABLE_SATI_TASK_MANAGEMENT)
    
    #include <dev/isci/scil/sati_abort_task_set.h>
    #include <dev/isci/scil/sati_callbacks.h>
    #include <dev/isci/scil/sati_util.h>
    #include <dev/isci/scil/sati.h>
    #include <dev/isci/scil/intel_ata.h>
    #include <dev/isci/scil/intel_scsi.h>
    #include <dev/isci/scil/intel_sat.h>
    
    //******************************************************************************
    //* P U B L I C   M E T H O D S
    //******************************************************************************
    
    #if !defined(DISABLE_SATI_ABORT_TASK_SET)
    
    /**
     * @brief This method will translate the abort task set SCSI task request into an
     *        ATA READ LOG EXT command. For more information on the parameters
     *        passed to this method, please reference sati_translate_command().
     *
     * @return Indicate if the command translation succeeded.
     * @retval SCI_SUCCESS This is returned if the command translation was
     *         successful.
     */
    SATI_STATUS sati_abort_task_set_translate_command(
       SATI_TRANSLATOR_SEQUENCE_T * sequence,
       void                       * scsi_io,
       void                       * ata_io
    )
    {
       U8 * register_fis;
    
       //ATA Read Log Ext with log address set to 0x10
       sati_ata_read_log_ext_construct(
         ata_io,
         sequence,
         ATA_LOG_PAGE_NCQ_ERROR,
         sizeof(ATA_NCQ_COMMAND_ERROR_LOG_T)
      );
   
      register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
      sati_set_sata_command_flag(register_fis);
   
      sequence->type                = SATI_SEQUENCE_ABORT_TASK_SET;
      sequence->state               = SATI_SEQUENCE_STATE_AWAIT_RESPONSE;
   
      return SATI_SUCCESS;
   }
   
   SATI_STATUS sati_abort_task_set_translate_data(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * ata_input_data,
      void                       * scsi_task
   )
   {
      ATA_NCQ_COMMAND_ERROR_LOG_T * log =
         (ATA_NCQ_COMMAND_ERROR_LOG_T *)ata_input_data;
      U8 tag_index;
   
      sequence->state = SATI_SEQUENCE_STATE_TRANSLATE_DATA;
   
      for (tag_index = 0; tag_index < 32; tag_index++)
      {
         void *        matching_command;
         SCI_IO_STATUS completion_status;
         sati_cb_device_get_request_by_ncq_tag(
            scsi_task,
            tag_index,
            matching_command
         );
   
         if (matching_command != NULL)
         {
            if (
                 (log->ncq_tag == tag_index) &&
                 (log->nq == 0) // nq==1 means a non-queued command
                                //  caused this failure
               )
            {
               sati_translate_error(sequence, matching_command, log->error);
               completion_status = SCI_IO_FAILURE_RESPONSE_VALID;
   
               if(sequence->state == SATI_SEQUENCE_STATE_READ_ERROR)
               {
                  //Uncorrectable read error, return additional sense data
                  sati_scsi_read_ncq_error_sense_construct(
                     sequence,
                     matching_command,
                     ata_input_data,
                     SCSI_STATUS_CHECK_CONDITION,
                     SCSI_SENSE_MEDIUM_ERROR,
                     SCSI_ASC_UNRECOVERED_READ_ERROR,
                     SCSI_ASCQ_UNRECOVERED_READ_ERROR
                  );
               }
            }
            else
            {
               completion_status = SCI_IO_FAILURE_TERMINATED;
            }
   
            sati_cb_io_request_complete(matching_command, completion_status);
         }
      }
   
      sequence->state = SATI_SEQUENCE_STATE_FINAL;
   
      return SATI_COMPLETE;
   }
   
   #endif // !defined(DISABLE_SATI_ABORT_TASK_SET)
   
   #endif // !defined(DISABLE_SATI_TASK_MANAGEMENT)
   

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