1 /*- 2 * This file is provided under a dual BSD/GPLv2 license. When using or 3 * redistributing this file, you may do so under either license. 4 * 5 * GPL LICENSE SUMMARY 6 * 7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of version 2 of the GNU General Public License as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 21 * The full GNU General Public License is included in this distribution 22 * in the file called LICENSE.GPL. 23 * 24 * BSD LICENSE 25 * 26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 33 * * Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * * Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in 37 * the documentation and/or other materials provided with the 38 * distribution. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 * 52 * $FreeBSD$ 53 */ 54 #ifndef _SATI_ATAPI_H_ 55 #define _SATI_ATAPI_H_ 56 57 /** 58 * @file 59 * @brief This file contains all of the interface methods, macros, structures 60 * that can be utilized by a user to perform SCSI-to-ATA PACKET IO 61 * Translation. 62 */ 63 #include <dev/isci/scil/sati_types.h> 64 #include <dev/isci/scil/sati_translator_sequence.h> 65 66 /** 67 * @brief This method translates the supplied SCSI command into a 68 * corresponding ATA packet protocol command. 69 * 70 * @param[in] sequence This parameter specifies the sequence 71 * data associated with the translation. 72 * @param[in] sati_device This parameter specifies the remote device 73 * for which the translated request is destined. 74 * @param[in,out] scsi_io This parameter specifies the user's SCSI IO request 75 * object. SATI expects that the user can access the SCSI CDB, 76 * response, and data from this pointer. For example, if there 77 * is a failure in translation resulting in sense data, then 78 * SATI will call sati_cb_set_status() and pass the scsi_io 79 * pointer as a parameter. 80 * @param[out] atapi_io This parameter specifies the location of the 81 * ATA Packet FIS into which the translator can write the resultant 82 * ATA command if translation is successful. This parameter is 83 * passed back to the user through the SATI_SATA_CALLBACKS when it 84 * is necessary to write fields in the ata_io. 85 * 86 * @return Indicate if the translation was successful. 87 * @retval SATI_SUCCESS 88 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 89 */ 90 SATI_STATUS sati_atapi_translate_command( 91 SATI_TRANSLATOR_SEQUENCE_T * sequence, 92 SATI_DEVICE_T * sati_device, 93 void * scsi_io, 94 void * atapi_io 95 ); 96 97 98 /** 99 * @brief This method translates the supplied ATA packet IO response into the 100 * corresponding SCSI command response. 101 * 102 * @param[out] sequence This parameter specifies the sequence 103 * data associated with the translation and will be updated 104 * according to the command response. 105 * @param[out] scsi_io This parameter specifies the user's SCSI IO request 106 * object. SATI expects that the user can access the SCSI CDB, 107 * response, and data from this pointer. For example, if there 108 * is a failure in translation resulting in sense data, then 109 * SATI will call sati_cb_set_status() and pass the scsi_io 110 * pointer as a parameter. 111 * @param[in] atapi_io This parameter specifies the location of the 112 * ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which 113 * the translator can read the received ATA status and error 114 * fields. 115 * 116 * @return Indicate if the translation was successful. 117 * @retval SATI_SUCCESS 118 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 119 */ 120 SATI_STATUS sati_atapi_translate_command_response( 121 SATI_TRANSLATOR_SEQUENCE_T * sequence, 122 void * scsi_io, 123 void * atapi_io 124 ); 125 126 127 /** 128 * @brief This method translates the internal Request Sense command response 129 * and set the sense data for the previous failed SCSI command. 130 * 131 * @param[out] sequence This parameter specifies the sequence 132 * data associated with the translation and to be updated to 133 * final state. 134 * @param[out] scsi_io This parameter specifies the user's SCSI IO request 135 * object. SATI expects that the user can access the SCSI CDB, 136 * response, and data from this pointer. For example, if there 137 * is a failure in translation resulting in sense data, then 138 * SATI will call sati_cb_set_status() and pass the scsi_io 139 * pointer as a parameter. 140 * @param[in] atapi_io This parameter specifies the location of the 141 * ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which 142 * the translator can read the received ATA status and error 143 * fields. 144 * 145 * @return None. 146 */ 147 void sati_atapi_translate_request_sense_response( 148 SATI_TRANSLATOR_SEQUENCE_T * sequence, 149 void * scsi_io, 150 void * atapi_io 151 ); 152 153 154 /** 155 * @brief This method retrieve ATA packet IO actual transferred data length. 156 * 157 * @param[in] sequence This parameter specifies the sequence 158 * data associated with the translation. 159 * @param[out] scsi_io This parameter specifies the user's SCSI IO request 160 * object. SATI expects that the user can access the SCSI CDB, 161 * response, and data from this pointer. For example, if there 162 * is a failure in translation resulting in sense data, then 163 * SATI will call sati_cb_set_status() and pass the scsi_io 164 * pointer as a parameter. 165 * @param[out] atapi_io This parameter specifies the location of the 166 * ATAPI IO request (e.g. register FIS, PIO Setup etc.) from which 167 * the translator can read the received ATA status and error 168 * fields. 169 * 170 * @return Actual data transfer length. 171 */ 172 U32 sati_atapi_translate_number_of_bytes_transferred( 173 SATI_TRANSLATOR_SEQUENCE_T * sequence, 174 void * scsi_io, 175 void * atapi_io 176 ); 177 #endif 178