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/*- * 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: release/9.1.0/sys/dev/isci/scil/sati.h 231689 2012-02-14 15:58:49Z jimharris $ */ #ifndef _SATI_H_ #define _SATI_H_ /** * @file * @brief This file contains all of the interface methods, macros, structures * that can be utilized by a user to perform SCSI-to-ATA Translation. * SATI adheres to the www.t10.org SAT specification. * * For specific compliance information please refer to: * - sati_get_sat_compliance_version() and * - sati_get_sat_compliance_version_revision() * * For situations where compliance is not observed, the SATI will * return an error indication (most likely INVALID FIELD IN CDB sense). */ #include <dev/isci/scil/sati_types.h> #include <dev/isci/scil/sati_translator_sequence.h> /** * @brief This method will be called by the core to indicate the start of a * new translation sequence. Set up the initial sequence state. * * @return None */ void sati_sequence_construct( SATI_TRANSLATOR_SEQUENCE_T * sequence ); /** * @brief This method will be called by the core to request the current translation * sequence be terminated. * * @param[in] sequence This parameter specifies the sequence * data associated with the translation. * @param[in,out] scsi_io This parameter specifies the user's SCSI IO request * object. SATI expects that the user can access the SCSI CDB, * response, and data from this pointer. For example, if there * is a failure in translation resulting in sense data, then * SATI will call sati_cb_set_status() and pass the scsi_io * pointer as a parameter. * @param[out] ata_io This parameter specifies the location of the * ATA register FIS into which the translator can write the * resultant ATA command if translation is successful. This * parameter is passed back to the user through the * SATI_SATA_CALLBACKS when it is necessary to write fields * in the ata_io. * * @return None */ void sati_sequence_terminate( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io ); /** * @brief This method translates the supplied SCSI command into a * corresponding ATA command. * * @param[in] sequence This parameter specifies the sequence * data associated with the translation. * @param[in] sati_device This parameter specifies the remote device * for which the translated request is destined. * @param[in,out] scsi_io This parameter specifies the user's SCSI IO request * object. SATI expects that the user can access the SCSI CDB, * response, and data from this pointer. For example, if there * is a failure in translation resulting in sense data, then * SATI will call sati_cb_set_status() and pass the scsi_io * pointer as a parameter. * @param[out] ata_io This parameter specifies the location of the * ATA register FIS into which the translator can write the * resultant ATA command if translation is successful. This * parameter is passed back to the user through the * SATI_SATA_CALLBACKS when it is necessary to write fields * in the ata_io. * * @return Indicate if the translation was successful. * @retval SATI_SUCCESS * @retval SATI_FAILURE_CHECK_RESPONSE_DATA */ SATI_STATUS sati_translate_command( SATI_TRANSLATOR_SEQUENCE_T * sequence, SATI_DEVICE_T * sati_device, void * scsi_io, void * ata_io ); /** * @brief This method translates the supplied SCSI task management request * into a corresponding ATA command/control FIS. * * @param[in] sequence This parameter specifies the sequence * data associated with the translation. * @param[in] sati_device This parameter specifies the remote device * for which the translated request is destined. * @param[in,out] scsi_io This parameter specifies the user's SCSI IO request * object. SATI expects that the user can access the SCSI CDB, * response, and data from this pointer. For example, if there * is a failure in translation resulting in sense data, then * SATI will call sati_cb_set_status() and pass the scsi_io * pointer as a parameter. * @param[out] ata_io This parameter specifies the location of the * ATA register FIS into which the translator can write the * resultant ATA command if translation is successful. This * parameter is passed back to the user through the * SATI_SATA_CALLBACKS when it is necessary to write fields * in the ata_io. * * @return Indicate if the translation was successful. * @retval SATI_SUCCESS * @retval SATI_FAILURE_CHECK_RESPONSE_DATA */ SATI_STATUS sati_translate_task_management( SATI_TRANSLATOR_SEQUENCE_T * sequence, SATI_DEVICE_T * sati_device, void * scsi_task, void * ata_io ); /** * @brief This method translates the supplied ATA response into the * corresponding SCSI command response. * * @param[in] sequence This parameter specifies the sequence * data associated with the translation. * @param[out] scsi_io This parameter specifies the user's SCSI IO request * object. SATI expects that the user can access the SCSI CDB, * response, and data from this pointer. For example, if there * is a failure in translation resulting in sense data, then * SATI will call sati_cb_set_status() and pass the scsi_io * pointer as a parameter. * @param[out] ata_io This parameter specifies the location of the * ATA IO request (e.g. register FIS, PIO Setup etc.) from which * the translator can read the received ATA status and error * fields. * * @return Indicate if the translation was successful. * @retval SATI_SUCCESS * @retval SATI_FAILURE_CHECK_RESPONSE_DATA */ SATI_STATUS sati_translate_command_response( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io ); /** * @brief This method translates the supplied ATA response into the * corresponding SCSI task response. * * @param[in] sequence This parameter specifies the sequence * data associated with the translation. * @param[out] scsi_io This parameter specifies the user's SCSI IO request * object. SATI expects that the user can access the SCSI CDB, * response, and data from this pointer. For example, if there * is a failure in translation resulting in sense data, then * SATI will call sati_cb_set_status() and pass the scsi_io * pointer as a parameter. * @param[out] ata_io This parameter specifies the location of the * ATA IO request (e.g. register FIS, PIO Setup etc.) from which * the translator can read the received ATA status and error * fields. * * @return Indicate if the translation was successful. * @retval SATI_FAILURE_CHECK_RESPONSE_DATA */ SATI_STATUS sati_translate_task_response( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io ); /** * @brief This method simply returns the SAT major compliance version number * for which the implementation is compliant. * * @return Return the specification identifier with which this translator * is compliant. */ U32 sati_get_sat_compliance_version( void ); /** * @brief This method simply returns the SAT version revision identifier * for which the implementation is compliant. * * @return Return the specification revision identifier with which this * translator is compliant. */ U32 sati_get_sat_compliance_version_revision( void ); /** * @brief This method returns the number of data bytes written * by the translation sequence. * * @param[in] sequence This parameter specifies the sequence data * associated with the translation. * * @return Return the U16 number_data_bytes_set in the * SATI_TRANSLATOR_SEQUENCE. */ U16 sati_get_number_data_bytes_set( SATI_TRANSLATOR_SEQUENCE_T * sequence ); void sati_translate_error( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, U8 error ); #endif // _SATI_H_