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freebsd-skq/sys/dev/isci/scil/sati_write_long.c
jimharris 0cf3f85364 Add all isci driver source code to sys/dev/isci for the Intel C600 
(Patsburg) integrated SAS controller.

sys/dev/isci contains all files specific to FreeBSD.
sys/dev/isci/scil contains OS-agnostic library maintained by Intel and
modified to best integrate into FreeBSD kernel build environment.

Sponsored by: Intel
Reviewed by: scottl
2012-01-25 22:39:22 +00:00

260 lines
8.2 KiB
C
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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("$FreeBSD$");
/**
* @file
* @brief This file contains the implementation to translate
* SCSI Write Long 10 and 16 commands based on the SAT spec.
*/
#if !defined(DISABLE_SATI_WRITE_LONG)
#include <dev/isci/scil/sati_write_long.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_move.h>
#define LOGICAL_PER_PHYSICAL_SECTOR 0xF
#define WR_UNCOR_BIT 0x02
#define WR_UNCOR_PBLOCK_BIT 0x03
#define COR_DIS_WR_UNCORR_BIT 0x06
/**
* @brief This method will translate the write long 10 & 16 SCSI commands into
* ATA write uncorrectable commands. For more information on the
* parameters passed to this method, please reference
* sati_translate_command().
*
* @return Indicate if the command translation succeeded.
* @retval SCI_SUCCESS This is returned if the command translation was
* successful.
* @retval SATI_FAILURE_CHECK_RESPONSE_DATA is returned if there was
* a problem with the translation of write long.
*
*/
SATI_STATUS sati_write_long_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;
U16 byte_transfer_length;
U8 device_head = 0;
if((sequence->device->capabilities &
SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE) == 0)
{
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_ILLEGAL_REQUEST,
SCSI_ASC_INVALID_COMMAND_OPERATION_CODE,
SCSI_ASCQ_INVALID_COMMAND_OPERATION_CODE
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
//Write Long 10
if(sati_get_cdb_byte(cdb, 0) == SCSI_WRITE_LONG_10)
{
byte_transfer_length = (sati_get_cdb_byte(cdb, 7) << 8) |
(sati_get_cdb_byte(cdb, 8));
sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
}
else //Write Long 16
{
byte_transfer_length = (sati_get_cdb_byte(cdb, 12) << 8) |
(sati_get_cdb_byte(cdb, 13));
status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
if( status == SATI_FAILURE_CHECK_RESPONSE_DATA)
{
return status;
}
}
sati_move_translate_command(sequence, scsi_io, ata_io, device_head);
if( byte_transfer_length != 0 )
{
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
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
switch(SATI_WRITE_LONG_GET_COR_WR_PB_BITS(cdb))
{
case WR_UNCOR_BIT :
if( (sequence->device->capabilities &
SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR) != 0 )
{
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
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
sati_ata_write_uncorrectable_construct(
ata_io,
sequence,
ATA_WRITE_UNCORRECTABLE_PSUEDO
);
sequence->type = SATI_SEQUENCE_WRITE_LONG;
status = SATI_SUCCESS;
}
break;
case WR_UNCOR_PBLOCK_BIT :
sati_ata_write_uncorrectable_construct(
ata_io,
sequence,
ATA_WRITE_UNCORRECTABLE_PSUEDO
);
sequence->type = SATI_SEQUENCE_WRITE_LONG;
status = SATI_SUCCESS;
break;
case COR_DIS_WR_UNCORR_BIT :
sati_ata_write_uncorrectable_construct(
ata_io,
sequence,
ATA_WRITE_UNCORRECTABLE_FLAGGED
);
sequence->type = SATI_SEQUENCE_WRITE_LONG;
status = SATI_SUCCESS;
break;
default :
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
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
break;
}
return status;
}
/**
* @brief This method will translate the response to the SATI Write Long
* translation. This response is only error checking the
* ATA Write Uncorrectable command.
*
* @return SATI_STATUS Indicates if the response translation succeeded.
* @retval SCI_COMPLETE This is returned if the command translation was
* successful.
* @retval SATI_FAILURE_CHECK_RESPONSE_DATA is returned if there was
* a problem with the translation of write long.
*/
SATI_STATUS sati_write_long_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);
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_COMMAND_SEQUENCE_ERROR,
SCSI_ASCQ_NO_ADDITIONAL_SENSE
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
return SATI_COMPLETE;
}
}
#endif // !defined(DISABLE_SATI_WRITE_LONG)
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