178 lines
7.7 KiB
C
178 lines
7.7 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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* $FreeBSD$
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*/
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#ifndef _SATI_ATAPI_H_
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#define _SATI_ATAPI_H_
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/**
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* @file
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* @brief This file contains all of the interface methods, macros, structures
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* that can be utilized by a user to perform SCSI-to-ATA PACKET IO
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* Translation.
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*/
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#include <dev/isci/scil/sati_types.h>
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#include <dev/isci/scil/sati_translator_sequence.h>
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/**
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* @brief This method translates the supplied SCSI command into a
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* corresponding ATA packet protocol command.
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*
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* @param[in] sequence This parameter specifies the sequence
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* data associated with the translation.
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* @param[in] sati_device This parameter specifies the remote device
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* for which the translated request is destined.
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* @param[in,out] scsi_io This parameter specifies the user's SCSI IO request
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* object. SATI expects that the user can access the SCSI CDB,
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* response, and data from this pointer. For example, if there
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* is a failure in translation resulting in sense data, then
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* SATI will call sati_cb_set_status() and pass the scsi_io
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* pointer as a parameter.
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* @param[out] atapi_io This parameter specifies the location of the
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* ATA Packet FIS into which the translator can write the resultant
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* ATA command if translation is successful. This parameter is
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* passed back to the user through the SATI_SATA_CALLBACKS when it
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* is necessary to write fields in the ata_io.
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*
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* @return Indicate if the translation was successful.
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* @retval SATI_SUCCESS
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* @retval SATI_FAILURE_CHECK_RESPONSE_DATA
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*/
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SATI_STATUS sati_atapi_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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SATI_DEVICE_T * sati_device,
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void * scsi_io,
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void * atapi_io
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);
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/**
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* @brief This method translates the supplied ATA packet IO response into the
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* corresponding SCSI command response.
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*
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* @param[out] sequence This parameter specifies the sequence
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* data associated with the translation and will be updated
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* according to the command response.
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* @param[out] scsi_io This parameter specifies the user's SCSI IO request
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* object. SATI expects that the user can access the SCSI CDB,
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* response, and data from this pointer. For example, if there
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* is a failure in translation resulting in sense data, then
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* SATI will call sati_cb_set_status() and pass the scsi_io
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* pointer as a parameter.
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* @param[in] atapi_io This parameter specifies the location of the
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* ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which
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* the translator can read the received ATA status and error
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* fields.
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*
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* @return Indicate if the translation was successful.
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* @retval SATI_SUCCESS
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* @retval SATI_FAILURE_CHECK_RESPONSE_DATA
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*/
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SATI_STATUS sati_atapi_translate_command_response(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * atapi_io
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);
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/**
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* @brief This method translates the internal Request Sense command response
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* and set the sense data for the previous failed SCSI command.
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*
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* @param[out] sequence This parameter specifies the sequence
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* data associated with the translation and to be updated to
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* final state.
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* @param[out] scsi_io This parameter specifies the user's SCSI IO request
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* object. SATI expects that the user can access the SCSI CDB,
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* response, and data from this pointer. For example, if there
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* is a failure in translation resulting in sense data, then
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* SATI will call sati_cb_set_status() and pass the scsi_io
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* pointer as a parameter.
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* @param[in] atapi_io This parameter specifies the location of the
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* ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which
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* the translator can read the received ATA status and error
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* fields.
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*
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* @return None.
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*/
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void sati_atapi_translate_request_sense_response(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * atapi_io
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);
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/**
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* @brief This method retrieve ATA packet IO actual transferred data length.
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*
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* @param[in] sequence This parameter specifies the sequence
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* data associated with the translation.
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* @param[out] scsi_io This parameter specifies the user's SCSI IO request
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* object. SATI expects that the user can access the SCSI CDB,
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* response, and data from this pointer. For example, if there
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* is a failure in translation resulting in sense data, then
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* SATI will call sati_cb_set_status() and pass the scsi_io
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* pointer as a parameter.
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* @param[out] atapi_io This parameter specifies the location of the
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* ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which
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* the translator can read the received ATA status and error
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* fields.
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*
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* @return Actual data transfer length.
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*/
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U32 sati_atapi_translate_number_of_bytes_transferred(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * atapi_io
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);
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#endif
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