120 lines
4.6 KiB
C
120 lines
4.6 KiB
C
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/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/**
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* @file
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* @brief This file contains the method implementations for translating
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* the SCSI SYNCHRONIZE_CACHE (10, 16-byte) commands.
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*/
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#if !defined(DISABLE_SATI_SYNCHRONIZE_CACHE)
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#include <dev/isci/scil/sati_synchronize_cache.h>
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#include <dev/isci/scil/sati_callbacks.h>
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#include <dev/isci/scil/sati_util.h>
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#include <dev/isci/scil/sati_translator_sequence.h>
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#include <dev/isci/scil/intel_ata.h>
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#include <dev/isci/scil/intel_scsi.h>
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#include <dev/isci/scil/intel_sat.h>
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//******************************************************************************
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//* P R I V A T E M E T H O D S
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//******************************************************************************
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/**
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* @brief This method performs the SCSI SYNCHRONIZE_CACHE 10 and 16 command translation
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* functionality common to all SYNCHRONIZE_CACHE command sizes.
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* This includes:
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* - setting the command register
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* - setting the device head register
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* - filling in fields in the SATI_TRANSLATOR_SEQUENCE object.
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* For more information on the parameters passed to this method,
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* please reference sati_translate_command().
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*
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* @return Indicate if the method was successfully completed.
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* @retval SATI_SUCCESS This is returned in all other cases.
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*/
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SATI_STATUS sati_synchronize_cache_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * ata_io
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)
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{
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U8 * cdb = sati_cb_get_cdb_address(scsi_io);
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U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
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sequence->type = SATI_SEQUENCE_SYNCHRONIZE_CACHE;
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sequence->protocol = SAT_PROTOCOL_NON_DATA;
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sequence->data_direction = SATI_DATA_DIRECTION_NONE;
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if (sati_get_cdb_byte(cdb, 1) & SCSI_SYNCHRONIZE_CACHE_IMMED_ENABLED)
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{
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//currently we ignore immed bit.
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;
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}
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// Ensure the device supports the 48 bit feature set.
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if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)
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sati_set_ata_command(register_fis, ATA_FLUSH_CACHE_EXT);
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else
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sati_set_ata_command(register_fis, ATA_FLUSH_CACHE);
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return SATI_SUCCESS;
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}
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#endif // !defined(DISABLE_SATI_SYNCHRONIZE_CACHE)
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