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 53 #include <sys/cdefs.h> 54 __FBSDID("$FreeBSD$"); 55 56 /** 57 * @file 58 * @brief This file contains the method implementations for translating 59 * the SCSI SYNCHRONIZE_CACHE (10, 16-byte) commands. 60 */ 61 62 #if !defined(DISABLE_SATI_SYNCHRONIZE_CACHE) 63 64 #include <dev/isci/scil/sati_synchronize_cache.h> 65 #include <dev/isci/scil/sati_callbacks.h> 66 #include <dev/isci/scil/sati_util.h> 67 #include <dev/isci/scil/sati_translator_sequence.h> 68 69 #include <dev/isci/scil/intel_ata.h> 70 #include <dev/isci/scil/intel_scsi.h> 71 #include <dev/isci/scil/intel_sat.h> 72 73 //****************************************************************************** 74 //* P R I V A T E M E T H O D S 75 //****************************************************************************** 76 77 /** 78 * @brief This method performs the SCSI SYNCHRONIZE_CACHE 10 and 16 command translation 79 * functionality common to all SYNCHRONIZE_CACHE command sizes. 80 * This includes: 81 * - setting the command register 82 * - setting the device head register 83 * - filling in fields in the SATI_TRANSLATOR_SEQUENCE object. 84 * For more information on the parameters passed to this method, 85 * please reference sati_translate_command(). 86 * 87 * @return Indicate if the method was successfully completed. 88 * @retval SATI_SUCCESS This is returned in all other cases. 89 */ 90 SATI_STATUS sati_synchronize_cache_translate_command( 91 SATI_TRANSLATOR_SEQUENCE_T * sequence, 92 void * scsi_io, 93 void * ata_io 94 ) 95 { 96 U8 * cdb = sati_cb_get_cdb_address(scsi_io); 97 U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io); 98 99 sequence->type = SATI_SEQUENCE_SYNCHRONIZE_CACHE; 100 sequence->protocol = SAT_PROTOCOL_NON_DATA; 101 sequence->data_direction = SATI_DATA_DIRECTION_NONE; 102 103 if (sati_get_cdb_byte(cdb, 1) & SCSI_SYNCHRONIZE_CACHE_IMMED_ENABLED) 104 { 105 //currently we ignore immed bit. 106 ; 107 } 108 109 // Ensure the device supports the 48 bit feature set. 110 if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE) 111 sati_set_ata_command(register_fis, ATA_FLUSH_CACHE_EXT); 112 else 113 sati_set_ata_command(register_fis, ATA_FLUSH_CACHE); 114 115 return SATI_SUCCESS; 116 } 117 118 #endif // !defined(DISABLE_SATI_SYNCHRONIZE_CACHE) 119 120