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/*-
* 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: release/9.1.0/sys/dev/isci/scil/sati_request_sense.c 231689 2012-02-14 15:58:49Z jimharris $");
/**
* @file
* @brief This file contains the implementation to translate
* SCSI Request Sense command based of the SAT spec.
*/
#if !defined(DISABLE_SATI_REQUEST_SENSE)
#include <dev/isci/scil/sati_request_sense.h>
#include <dev/isci/scil/sati_device.h>
#include <dev/isci/scil/sati_util.h>
#include <dev/isci/scil/intel_scsi.h>
#include <dev/isci/scil/intel_ata.h>
#include <dev/isci/scil/intel_sat.h>
#include <dev/isci/scil/sati_callbacks.h>
#include <dev/isci/scil/sati_mode_pages.h>
#define MRIE_BYTE 3
#define DEXCPT_BYTE 2
/**
* @brief This method will translate the SCSI request sense command
* into corresponding ATA commands. Depending on supported and enabled
* capabilities like SMART, different ATA commands can be selected.
* 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
* the SATII is processing a format unit commmand.
* @retval SATI_COMPLETE indicates that the translation was supported, occurred without
* error, and no additional translation is necessary.
*/
SATI_STATUS sati_request_sense_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
//check if SATI is processing format unit command
switch(sequence->device->state)
{
case SATI_DEVICE_STATE_FORMAT_UNIT_IN_PROGRESS:
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_GOOD,
SCSI_SENSE_NOT_READY,
SCSI_ASC_LUN_FORMAT_IN_PROGRESS,
SCSI_ASCQ_LUN_FORMAT_IN_PROGRESS
);
return SATI_COMPLETE;
break;
case SATI_DEVICE_STATE_UNIT_ATTENTION_CONDITION:
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_GOOD,
SCSI_SENSE_UNIT_ATTENTION,
sequence->device->unit_attention_asc,
sequence->device->unit_attention_ascq
);
return SATI_COMPLETE;
break;
//sending sense data status Idle, this is set by start_stop_unit
case SATI_DEVICE_STATE_IDLE:
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_GOOD,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_POWER_STATE_CHANGE,
SCSI_ASCQ_IDLE_CONDITION_ACTIVATE_BY_COMMAND
);
return SATI_COMPLETE;
break;
//sending sense data status Standby, this is set by start_stop_unit
case SATI_DEVICE_STATE_STANDBY:
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_GOOD,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_POWER_STATE_CHANGE,
SCSI_ASCQ_STANDBY_CONDITION_ACTIVATE_BY_COMMAND
);
return SATI_COMPLETE;
break;
case SATI_DEVICE_STATE_STOPPED:
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_GOOD,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_NO_ADDITIONAL_SENSE,
SCSI_ASCQ_NO_ADDITIONAL_SENSE
);
return SATI_COMPLETE;
break;
default:
break;
}
sequence->allocation_length = sati_get_cdb_byte(cdb, 4);
//Check if the device has SMART support & SMART enabled
if(sequence->device->capabilities & SATI_DEVICE_CAP_SMART_SUPPORT)
{
if(sequence->device->capabilities & SATI_DEVICE_CAP_SMART_ENABLE)
{
sati_ata_smart_return_status_construct(
ata_io,
sequence,
ATA_SMART_SUB_CMD_RETURN_STATUS
);
sequence->type = SATI_SEQUENCE_REQUEST_SENSE_SMART_RETURN_STATUS;
return SATI_SUCCESS;
}
}
sati_ata_check_power_mode_construct(ata_io, sequence);
sequence->type = SATI_SEQUENCE_REQUEST_SENSE_CHECK_POWER_MODE;
return SATI_SUCCESS;
}
/**
* @brief This method will translate the response to the SATI Request Sense
* translation. ATA_Check_Power_Mode and ATA_SMART_Return_Status will
* be translated into a SCSI sense data response.
*
* @return SATI_STATUS Indicates if the response translation succeeded.
*
*/
SATI_STATUS sati_request_sense_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);
U32 mid_register;
U32 high_register;
U32 sector_count;
SATI_STATUS status = SATI_FAILURE;
if(sati_get_ata_status(register_fis) & 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_REQUEST_SENSE_SMART_RETURN_STATUS:
mid_register = sati_get_ata_lba_mid(register_fis);
high_register = sati_get_ata_lba_high(register_fis);
if(mid_register == ATA_MID_REGISTER_THRESHOLD_EXCEEDED
&& high_register == ATA_HIGH_REGISTER_THRESHOLD_EXCEEDED)
{
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_HARDWARE_IMPENDING_FAILURE,
SCSI_ASCQ_GENERAL_HARD_DRIVE_FAILURE
);
status = SATI_COMPLETE;
}
else
{
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_NO_ADDITIONAL_SENSE,
SCSI_ASCQ_NO_ADDITIONAL_SENSE
);
status = SATI_COMPLETE;
}
break;
case SATI_SEQUENCE_REQUEST_SENSE_CHECK_POWER_MODE:
sector_count = sati_get_ata_sector_count(register_fis);
switch(sector_count)
{
case ATA_STANDBY_POWER_MODE:
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_POWER_STATE_CHANGE,
SCSI_ASCQ_POWER_STATE_CHANGE_TO_STANDBY
);
status = SATI_COMPLETE;
break;
case ATA_IDLE_POWER_MODE:
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_POWER_STATE_CHANGE,
SCSI_ASCQ_POWER_STATE_CHANGE_TO_IDLE
);
status = SATI_COMPLETE;
break;
case ATA_ACTIVE_POWER_MODE:
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_NO_ADDITIONAL_SENSE,
SCSI_ASCQ_NO_ADDITIONAL_SENSE
);
status = SATI_COMPLETE;
break;
default:
break;
}
break;
default:
sati_request_sense_data_response_construct(
sequence,
scsi_io,
SCSI_SENSE_NO_SENSE,
SCSI_ASC_NO_ADDITIONAL_SENSE,
SCSI_ASCQ_NO_ADDITIONAL_SENSE
);
status = SATI_COMPLETE;
}
}
return status;
}
/**
* @brief This method will construct a response for the sati_request_sense
* translation. The response will be returned in the data buffer instead
* of the response buffer, using sense data format described in SPC-4.
*
*/
void sati_request_sense_data_response_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
sati_set_data_byte(
sequence,
scsi_io,
0,
SCSI_FIXED_CURRENT_RESPONSE_CODE | SCSI_FIXED_SENSE_DATA_VALID_BIT
);
sati_set_data_byte(sequence, scsi_io, 1, 0);
sati_set_data_byte(sequence, scsi_io, 2, sense_key);
sati_set_data_byte(sequence, scsi_io, 3, 0);
sati_set_data_byte(sequence, scsi_io, 4, 0);
sati_set_data_byte(sequence, scsi_io, 5, 0);
sati_set_data_byte(sequence, scsi_io, 6, 0);
sati_set_data_byte(sequence, scsi_io, 7, 0);
sati_set_data_byte(sequence, scsi_io, 8, 0);
sati_set_data_byte(sequence, scsi_io, 9, 0);
sati_set_data_byte(sequence, scsi_io, 10, 0);
sati_set_data_byte(sequence, scsi_io, 11, 0);
sati_set_data_byte(sequence, scsi_io, 12, additional_sense_code);
sati_set_data_byte(sequence, scsi_io, 13, additional_sense_code_qualifier);
sati_set_data_byte(sequence, scsi_io, 14, 0);
sati_set_data_byte(sequence, scsi_io, 15, 0);
sati_set_data_byte(sequence, scsi_io, 16, 0);
sati_set_data_byte(sequence, scsi_io, 17, 0);
}
#endif // !defined(DISABLE_SATI_REQUEST_SENSE)