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/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/**
* @file
* @brief This file contains the method implementations required to
* translate the SCSI REPORT LUNS command.
*/
#if !defined(DISABLE_SATI_REPORT_LUNS)
#include <dev/isci/scil/sati_report_luns.h>
#include <dev/isci/scil/sati_callbacks.h>
#include <dev/isci/scil/sati_util.h>
#include <dev/isci/scil/intel_ata.h>
#include <dev/isci/scil/intel_scsi.h>
/**
* @brief This method will translate the REPORT LUN SCSI command. This
* command is immediately completed, since there is no applicable
* ATA/ATAPI command. The data payload is written and SATI_COMPLETE
* is always returned.
* For more information on the parameters passed to this method,
* please reference sati_translate_command().
*
* @return This method always indicates the translation is complete.
* @retval SATI_COMPLETE This value is always returned.
*/
SATI_STATUS sati_report_luns_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
// Set the data length based on the allocation length field in the CDB.
sequence->allocation_length = (sati_get_cdb_byte(cdb, 6) << 24) |
(sati_get_cdb_byte(cdb, 7) << 16) |
(sati_get_cdb_byte(cdb, 8) << 8) |
(sati_get_cdb_byte(cdb, 9));
// The first 4 bytes indicate the length of the LUN list. Each
// LUN entry is 8 bytes. There is only ever LUN 0 for ATA/ATAPI
// devices. The value reported is: n-7, where n is the last byte
// offset (i.e. 15) in the REPORT LUN data.
sati_set_data_byte(sequence, scsi_io, 0, 0);
sati_set_data_byte(sequence, scsi_io, 1, 0);
sati_set_data_byte(sequence, scsi_io, 2, 0);
sati_set_data_byte(sequence, scsi_io, 3, 8);
// Bytes 4-7 are reserved.
sati_set_data_byte(sequence, scsi_io, 4, 0);
sati_set_data_byte(sequence, scsi_io, 5, 0);
sati_set_data_byte(sequence, scsi_io, 6, 0);
sati_set_data_byte(sequence, scsi_io, 7, 0);
// Add in our single LUN of zero.
sati_set_data_byte(sequence, scsi_io, 8, 0);
sati_set_data_byte(sequence, scsi_io, 9, 0);
sati_set_data_byte(sequence, scsi_io, 10, 0);
sati_set_data_byte(sequence, scsi_io, 11, 0);
sati_set_data_byte(sequence, scsi_io, 12, 0);
sati_set_data_byte(sequence, scsi_io, 13, 0);
sati_set_data_byte(sequence, scsi_io, 14, 0);
sati_set_data_byte(sequence, scsi_io, 15, 0);
return SATI_COMPLETE;
}
#endif // !defined(DISABLE_SATI_REPORT_LUNS)
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