/*- * 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 __FBSDID("$FreeBSD$"); /** * @file * @brief This file contains the method implementations to translate * SCSI Write Buffer command based of the SAT2v07 spec. */ #include #include #include #define WRITE_BUFFER_WRITE_DATA 0x02 #define WRITE_BUFFER_DOWNLOAD_SAVE 0x05 #define WRITE_BUFFER_OFFSET_DOWNLOAD_SAVE 0x07 #define DOWNLOAD_MICROCODE_BLOCK_SIZE 512 /** * @brief This method will translate the SCSI Write Buffer command * into a corresponding ATA Write Buffer and Download Microcode commands. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @return Indicates if the command translation succeeded. * @retval SATI_SUCCESS indicates that the translation was supported and occurred * without error. * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if * there is a translation failure. */ SATI_STATUS sati_write_buffer_translate_command( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); SATI_STATUS status = SATI_FAILURE; U32 allocation_length; U32 allocation_blocks; U32 buffer_offset; allocation_length = ((sati_get_cdb_byte(cdb, 6) << 16) | (sati_get_cdb_byte(cdb, 7) << 8) | (sati_get_cdb_byte(cdb, 8))); buffer_offset = ((sati_get_cdb_byte(cdb, 3) << 16) | (sati_get_cdb_byte(cdb, 4) << 8) | (sati_get_cdb_byte(cdb, 5))); sequence->allocation_length = allocation_length; allocation_blocks = allocation_length / DOWNLOAD_MICROCODE_BLOCK_SIZE; switch(sati_get_cdb_byte(cdb, 1)) { case WRITE_BUFFER_WRITE_DATA: if((allocation_length == DOWNLOAD_MICROCODE_BLOCK_SIZE) && (buffer_offset == 0) && (sati_get_cdb_byte(cdb, 2) == 0)) { sati_ata_write_buffer_construct(ata_io, sequence); sequence->type = SATI_SEQUENCE_WRITE_BUFFER; sequence->state = SATI_SEQUENCE_STATE_AWAIT_RESPONSE; status = SATI_SUCCESS; } else { sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_CDB, SCSI_ASCQ_INVALID_FIELD_IN_CDB ); sequence->state = SATI_SEQUENCE_STATE_FINAL; status = SATI_FAILURE_CHECK_RESPONSE_DATA; } break; case WRITE_BUFFER_DOWNLOAD_SAVE: sati_ata_download_microcode_construct( ata_io, sequence, ATA_MICROCODE_DOWNLOAD_SAVE, allocation_length, buffer_offset ); sequence->type = SATI_SEQUENCE_WRITE_BUFFER_MICROCODE; sequence->state = SATI_SEQUENCE_STATE_AWAIT_RESPONSE; status = SATI_SUCCESS; break; case WRITE_BUFFER_OFFSET_DOWNLOAD_SAVE: if(((allocation_length & 0x000001FF) == 0) && //Bits 08:00 need to be zero per SAT2v7 ((buffer_offset & 0x000001FF) == 0) && (allocation_blocks <= sequence->device->max_blocks_per_microcode_command) && ((allocation_blocks >= sequence->device->min_blocks_per_microcode_command) || (allocation_length == 0))) { sati_ata_download_microcode_construct( ata_io, sequence, ATA_MICROCODE_OFFSET_DOWNLOAD, allocation_length, buffer_offset ); sequence->type = SATI_SEQUENCE_WRITE_BUFFER_MICROCODE; sequence->state = SATI_SEQUENCE_STATE_AWAIT_RESPONSE; status = SATI_SUCCESS; } else { sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_CDB, SCSI_ASCQ_INVALID_FIELD_IN_CDB ); sequence->state = SATI_SEQUENCE_STATE_FINAL; status = SATI_FAILURE_CHECK_RESPONSE_DATA; } break; default: //unsupported Write Buffer Mode sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_CDB, SCSI_ASCQ_INVALID_FIELD_IN_CDB ); sequence->state = SATI_SEQUENCE_STATE_FINAL; status = SATI_FAILURE_CHECK_RESPONSE_DATA; break; } return status; } /** * @brief This method will complete the Write Buffer Translation by checking * for ATA errors and then creating a unit attention condition for * changed microcode. * * @return Indicates if the command translation succeeded. * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if * there is a translation failure. * @retval SATI_COMPLETE indicates that the translation was supported, occurred without * error, and no additional translation is necessary. */ SATI_STATUS sati_write_buffer_translate_response( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io ) { U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io); U8 ata_status = (U8) sati_get_ata_status(register_fis); SATI_STATUS status = SATI_FAILURE; if (ata_status & ATA_STATUS_REG_ERROR_BIT) { sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ABORTED_COMMAND, SCSI_ASC_NO_ADDITIONAL_SENSE, SCSI_ASCQ_NO_ADDITIONAL_SENSE ); status = SATI_FAILURE_CHECK_RESPONSE_DATA; } else { switch(sequence->type) { case SATI_SEQUENCE_WRITE_BUFFER_MICROCODE: sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_GOOD, SCSI_SENSE_UNIT_ATTENTION, SCSI_ASC_MICROCODE_HAS_CHANGED, SCSI_ASCQ_MICROCODE_HAS_CHANGED ); status = SATI_COMPLETE; break; default: status = SATI_COMPLETE; break; } } sequence->state = SATI_SEQUENCE_STATE_FINAL; return status; }