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 all of the defintions for the SATI remote 59 * device object. Some translations require information to be 60 * remembered on a per device basis. This information is stored 61 * in the object defined in this file. 62 */ 63 64#include <dev/isci/scil/sati_device.h> 65#include <dev/isci/scil/sci_util.h> // Move this file. 66#include <dev/isci/scil/sati_unmap.h> 67#include <dev/isci/scil/intel_scsi.h> 68 69/** 70 * @brief This method simply initializes the data members in the device 71 * object to their appropriate values. 72 * 73 * @param[in] device This parameter specifies the device for which to 74 * initialize the data members. 75 * @param[in] is_ncq_enabled This parameter specifies if NCQ is to be 76 * utilized for this particular SATI device. 77 * @param[in] max_ncq_depth This parameter specifies the maximum desired 78 * NCQ depth. Once this value is set it can never be increased. 79 * @param[in] ignore_fua This parameter specifies FUA is to be ignored and not 80 * sent to the end device. Some OS (Windows) has quirky behaviors with FUA 81 * and recommend driver developers ignore the bit. 82 * 83 * @return none 84 */ 85void sati_device_construct( 86 SATI_DEVICE_T * device, 87 BOOL is_ncq_enabled, 88 U8 max_ncq_depth, 89 BOOL ignore_fua 90) 91{ 92 device->state = SATI_DEVICE_STATE_OPERATIONAL; 93 device->capabilities = 0; 94 device->descriptor_sense_enable = SCSI_MODE_PAGE_CONTROL_D_SENSE_DISABLE; 95 96 // The user requested that NCQ be utilized if it is supported by 97 // the device. 98 if (is_ncq_enabled == TRUE) 99 device->capabilities |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE; 100 101 device->ncq_depth = max_ncq_depth; 102 103 // The user requested that FUA is ignored (windows performance issue) 104 if (ignore_fua == TRUE) 105 device->capabilities |= SATI_DEVICE_CAP_IGNORE_FUA; 106 107} 108 109/** 110 * @brief This method will update the SATI_DEVICE capabilities based on 111 * the supplied ATA_IDENTIFY_DEVICE_DATA. 112 * 113 * @param[in] device This parameter specifies the device for which to update 114 * the supported capabilities. 115 * @param[in] identify This parameter specifies the ata identify device 116 * information from which to extract the capabilities of the 117 * device. 118 * 119 * @return none 120 */ 121void sati_device_update_capabilities( 122 SATI_DEVICE_T * device, 123 ATA_IDENTIFY_DEVICE_DATA_T * identify 124) 125{ 126 U16 capabilities = 0; 127 128 if (identify->capabilities1 & ATA_IDENTIFY_CAPABILITIES1_NORMAL_DMA_ENABLE) 129 capabilities |= SATI_DEVICE_CAP_UDMA_ENABLE; 130 131 if (identify->command_set_supported1 132 & ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE) 133 { 134 capabilities |= SATI_DEVICE_CAP_48BIT_ENABLE; 135 } 136 137 if (identify->command_set_supported0 138 & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE) 139 { 140 capabilities |= SATI_DEVICE_CAP_SMART_SUPPORT; 141 } 142 143 if (identify->command_set_enabled0 144 & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE) 145 { 146 capabilities |= SATI_DEVICE_CAP_SMART_ENABLE; 147 } 148 149 // Save the NCQ related capabilities information. 150 if (identify->serial_ata_capabilities 151 & ATA_IDENTIFY_SATA_CAPABILITIES_NCQ_ENABLE) 152 { 153 if (device->capabilities & SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE) 154 { 155 capabilities |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE; 156 capabilities |= SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE; 157 capabilities |= SATI_DEVICE_CAP_DMA_FUA_ENABLE; 158 device->ncq_depth = MIN( 159 device->ncq_depth, 160 (U8) (identify->queue_depth 161 & ATA_IDENTIFY_NCQ_QUEUE_DEPTH_ENABLE) + 1 162 ); 163 } 164 } 165 166 // if the user requested that FUA is ignored; transfer it so we don't lose on update. 167 if (device->capabilities & SATI_DEVICE_CAP_IGNORE_FUA) 168 capabilities |= SATI_DEVICE_CAP_IGNORE_FUA; 169 170 if (identify->general_config_bits & ATA_IDENTIFY_REMOVABLE_MEDIA_ENABLE) 171 capabilities |= SATI_DEVICE_CAP_REMOVABLE_MEDIA; 172 173 if(identify->command_set_supported2 & ATA_IDENTIFY_WRITE_UNCORRECTABLE_SUPPORT ) 174 { 175 capabilities |= SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE; 176 } 177 178 if(identify->physical_logical_sector_info & 179 ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE) 180 { 181 capabilities |= SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR; 182 } 183 184 if(identify->command_set_supported_extention & 185 ATA_IDENTIFY_COMMAND_SET_SMART_SELF_TEST_SUPPORTED) 186 { 187 capabilities |= SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT; 188 } 189 190 if (identify->nominal_media_rotation_rate == 1) 191 { 192 capabilities |= SATI_DEVICE_CAP_SSD; 193 } 194 195 // Save off the logical block size reported by the drive 196 // See if Word 106 is valid and reports a logical sector size 197 if ((identify->physical_logical_sector_info & 0x5000) == 0x5000) 198 { 199 device->logical_block_size = (identify->words_per_logical_sector[3] << 24) | 200 (identify->words_per_logical_sector[2] << 16) | 201 (identify->words_per_logical_sector[1] << 8) | 202 (identify->words_per_logical_sector[0]); 203 } 204 else 205 { 206 device->logical_block_size = 512; 207 } 208 209 // Determine DSM TRIM capabilities 210 // Defend against SSDs which report TRIM support, but set 211 // max_lba_range_entry_blocks to zero, by disabling TRIM for 212 // those SSDs. 213 if ( 214 (identify->data_set_management & ATA_IDENTIFY_COMMAND_SET_DSM_TRIM_SUPPORTED) 215 && (identify->max_lba_range_entry_blocks > 0) 216 ) 217 { 218 capabilities |= SATI_DEVICE_CAP_DSM_TRIM_SUPPORT; 219 device->max_lba_range_entry_blocks = identify->max_lba_range_entry_blocks; 220 } 221 222 if (identify->additional_supported 223 & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_DETERMINISTIC_READ) 224 { 225 capabilities |= SATI_DEVICE_CAP_DETERMINISTIC_READ_AFTER_TRIM; 226 } 227 228 if (identify->additional_supported 229 & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_READ_ZERO) 230 { 231 capabilities |= SATI_DEVICE_CAP_READ_ZERO_AFTER_TRIM; 232 } 233 234 if (identify->capabilities1 235 & ATA_IDENTIFY_CAPABILITIES1_STANDBY_ENABLE) 236 { 237 capabilities |= SATI_DEVICE_CAP_STANDBY_ENABLE; 238 } 239 240 device->min_blocks_per_microcode_command = identify->min_num_blocks_per_microcode; 241 device->max_blocks_per_microcode_command = identify->max_num_blocks_per_microcode; 242 243 device->capabilities = capabilities; 244} 245 246