FreeBSD/Linux Kernel Cross Reference
sys/dev/isci/scil/sati_unmap.h

     /*-
      * 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
     * 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.
     *
     * $FreeBSD$
     */
    #ifndef _SATI_UNMAP_H_
    #define _SATI_UNMAP_H_
    
    /**
     * @file
     * @brief This file contains the method implementations required to
     *        translate the SCSI reassign blocks command.
     */
    
    #if !defined(DISABLE_SATI_UNMAP)
    
    #include <dev/isci/scil/sati_types.h>
    #include <dev/isci/scil/sati_translator_sequence.h>
    
    #define SATI_DSM_MAX_SECTOR_COUNT                     0xFFFF
    #define SATI_DSM_MAX_SECTOR_ADDRESS                   0xFFFFFFFFFFFF
    #define SATI_DSM_MAX_BUFFER_SIZE                      4096
    
    #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR 16
    #define SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST   8
    
    typedef struct _TRIM_PAIR
    {
        U64 sector_address:48;
        U64 sector_count:16;
    } TRIM_PAIR, *PTRIM_PAIR;
    
    U32 sati_unmap_calculate_dsm_blocks(
       SATI_TRANSLATOR_SEQUENCE_T * sequence,
       U32                          dsm_descriptor_count
    );
    
    SATI_STATUS sati_unmap_construct(
       SATI_TRANSLATOR_SEQUENCE_T * sequence,
       void                       * scsi_io,
       void                       * ata_io,
       U32                          sector_count
    );
    
    SATI_STATUS sati_unmap_load_next_descriptor(
       SATI_TRANSLATOR_SEQUENCE_T * sequence,
       void                       * scsi_io
    );
    
   U32 sati_unmap_get_max_buffer_size_in_blocks(
      SATI_TRANSLATOR_SEQUENCE_T * sequence
   );
   
   SATI_STATUS sati_unmap_initial_processing(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * scsi_io,
      void                       * ata_io
   );
   
   SATI_STATUS sati_unmap_process(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * scsi_io,
      void                       * ata_io
   );
   
   SATI_STATUS sati_unmap_translate_command(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * scsi_io,
      void                       * ata_io
   );
   
   SATI_STATUS sati_unmap_translate_response(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * scsi_io,
      void                       * ata_io
   );
   
   void sati_unmap_terminate(
      SATI_TRANSLATOR_SEQUENCE_T * sequence,
      void                       * scsi_io,
      void                       * ata_io
   );
   #else // !defined(DISABLE_SATI_UNMAP)
   #define sati_unmap_terminate(sequence,scsi_io,ata_io)
   #endif // !defined(DISABLE_SATI_UNMAP)
   
   #endif // _SATI_UNMAP_H_

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