diff options
Diffstat (limited to 'sys/dev/isci/scil/sati_device.c')
| -rw-r--r-- | sys/dev/isci/scil/sati_device.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/sys/dev/isci/scil/sati_device.c b/sys/dev/isci/scil/sati_device.c new file mode 100644 index 0000000..1fbcf6c --- /dev/null +++ b/sys/dev/isci/scil/sati_device.c @@ -0,0 +1,245 @@ +/*- + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/** + * @file + * @brief This file contains all of the defintions for the SATI remote + * device object. Some translations require information to be + * remembered on a per device basis. This information is stored + * in the object defined in this file. + */ + +#include <dev/isci/scil/sati_device.h> +#include <dev/isci/scil/sci_util.h> // Move this file. +#include <dev/isci/scil/sati_unmap.h> +#include <dev/isci/scil/intel_scsi.h> + +/** + * @brief This method simply initializes the data members in the device + * object to their appropriate values. + * + * @param[in] device This parameter specifies the device for which to + * initialize the data members. + * @param[in] is_ncq_enabled This parameter specifies if NCQ is to be + * utilized for this particular SATI device. + * @param[in] max_ncq_depth This parameter specifies the maximum desired + * NCQ depth. Once this value is set it can never be increased. + * @param[in] ignore_fua This parameter specifies FUA is to be ignored and not + * sent to the end device. Some OS (Windows) has quirky behaviors with FUA + * and recommend driver developers ignore the bit. + * + * @return none + */ +void sati_device_construct( + SATI_DEVICE_T * device, + BOOL is_ncq_enabled, + U8 max_ncq_depth, + BOOL ignore_fua +) +{ + device->state = SATI_DEVICE_STATE_OPERATIONAL; + device->capabilities = 0; + device->descriptor_sense_enable = SCSI_MODE_PAGE_CONTROL_D_SENSE_DISABLE; + + // The user requested that NCQ be utilized if it is supported by + // the device. + if (is_ncq_enabled == TRUE) + device->capabilities |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE; + + device->ncq_depth = max_ncq_depth; + + // The user requested that FUA is ignored (windows performance issue) + if (ignore_fua == TRUE) + device->capabilities |= SATI_DEVICE_CAP_IGNORE_FUA; + +} + +/** + * @brief This method will update the SATI_DEVICE capabilities based on + * the supplied ATA_IDENTIFY_DEVICE_DATA. + * + * @param[in] device This parameter specifies the device for which to update + * the supported capabilities. + * @param[in] identify This parameter specifies the ata identify device + * information from which to extract the capabilities of the + * device. + * + * @return none + */ +void sati_device_update_capabilities( + SATI_DEVICE_T * device, + ATA_IDENTIFY_DEVICE_DATA_T * identify +) +{ + U16 capabilities = 0; + + if (identify->capabilities1 & ATA_IDENTIFY_CAPABILITIES1_NORMAL_DMA_ENABLE) + capabilities |= SATI_DEVICE_CAP_UDMA_ENABLE; + + if (identify->command_set_supported1 + & ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_48BIT_ENABLE; + } + + if (identify->command_set_supported0 + & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_SMART_SUPPORT; + } + + if (identify->command_set_enabled0 + & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_SMART_ENABLE; + } + + // Save the NCQ related capabilities information. + if (identify->serial_ata_capabilities + & ATA_IDENTIFY_SATA_CAPABILITIES_NCQ_ENABLE) + { + if (device->capabilities & SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE; + capabilities |= SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE; + capabilities |= SATI_DEVICE_CAP_DMA_FUA_ENABLE; + device->ncq_depth = MIN( + device->ncq_depth, + (U8) (identify->queue_depth + & ATA_IDENTIFY_NCQ_QUEUE_DEPTH_ENABLE) + 1 + ); + } + } + + // if the user requested that FUA is ignored; transfer it so we don't lose on update. + if (device->capabilities & SATI_DEVICE_CAP_IGNORE_FUA) + capabilities |= SATI_DEVICE_CAP_IGNORE_FUA; + + if (identify->general_config_bits & ATA_IDENTIFY_REMOVABLE_MEDIA_ENABLE) + capabilities |= SATI_DEVICE_CAP_REMOVABLE_MEDIA; + + if(identify->command_set_supported2 & ATA_IDENTIFY_WRITE_UNCORRECTABLE_SUPPORT ) + { + capabilities |= SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE; + } + + if(identify->physical_logical_sector_info & + ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR; + } + + if(identify->command_set_supported_extention & + ATA_IDENTIFY_COMMAND_SET_SMART_SELF_TEST_SUPPORTED) + { + capabilities |= SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT; + } + + if (identify->nominal_media_rotation_rate == 1) + { + capabilities |= SATI_DEVICE_CAP_SSD; + } + + // Save off the logical block size reported by the drive + // See if Word 106 is valid and reports a logical sector size + if ((identify->physical_logical_sector_info & 0x5000) == 0x5000) + { + device->logical_block_size = (identify->words_per_logical_sector[3] << 24) | + (identify->words_per_logical_sector[2] << 16) | + (identify->words_per_logical_sector[1] << 8) | + (identify->words_per_logical_sector[0]); + } + else + { + device->logical_block_size = 512; + } + + // Determine DSM TRIM capabilities + // Defend against SSDs which report TRIM support, but set + // max_lba_range_entry_blocks to zero, by disabling TRIM for + // those SSDs. + if ( + (identify->data_set_management & ATA_IDENTIFY_COMMAND_SET_DSM_TRIM_SUPPORTED) + && (identify->max_lba_range_entry_blocks > 0) + ) + { + capabilities |= SATI_DEVICE_CAP_DSM_TRIM_SUPPORT; + device->max_lba_range_entry_blocks = identify->max_lba_range_entry_blocks; + } + + if (identify->additional_supported + & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_DETERMINISTIC_READ) + { + capabilities |= SATI_DEVICE_CAP_DETERMINISTIC_READ_AFTER_TRIM; + } + + if (identify->additional_supported + & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_READ_ZERO) + { + capabilities |= SATI_DEVICE_CAP_READ_ZERO_AFTER_TRIM; + } + + if (identify->capabilities1 + & ATA_IDENTIFY_CAPABILITIES1_STANDBY_ENABLE) + { + capabilities |= SATI_DEVICE_CAP_STANDBY_ENABLE; + } + + device->min_blocks_per_microcode_command = identify->min_num_blocks_per_microcode; + device->max_blocks_per_microcode_command = identify->max_num_blocks_per_microcode; + + device->capabilities = capabilities; +} + |
