f11c7f6305
The isci driver is for the integrated SAS controller in the Intel C600 (Patsburg) chipset. Source files in sys/dev/isci directory are FreeBSD-specific, and sys/dev/isci/scil subdirectory contains an OS-agnostic library (SCIL) published by Intel to control the SAS controller. This library is used primarily as-is in this driver, with some post-processing to better integrate into the kernel build environment. isci.4 and a README in the sys/dev/isci directory contain a few additional details. This driver is only built for amd64 and i386 targets. Sponsored by: Intel Reviewed by: scottl Approved by: scottl
274 lines
10 KiB
C
274 lines
10 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/**
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* @file
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* @brief This file contains the method implementations for translating
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* the SCSI VERIFY (10, 12, 16-byte) commands.
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*/
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#if !defined(DISABLE_SATI_VERIFY)
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#include <dev/isci/scil/sati_verify.h>
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#include <dev/isci/scil/sati_callbacks.h>
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#include <dev/isci/scil/sati_util.h>
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#include <dev/isci/scil/sati_move.h>
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#include <dev/isci/scil/intel_ata.h>
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#include <dev/isci/scil/intel_scsi.h>
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#include <dev/isci/scil/intel_sat.h>
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//******************************************************************************
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//* P R I V A T E M E T H O D S
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//******************************************************************************
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/**
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* @brief This method performs the SCSI VERIFY command translation
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* functionality common to all VERIFY command sizes.
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* This includes:
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* - setting the command register
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* - setting the device head register
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* - filling in fields in the SATI_TRANSLATOR_SEQUENCE object.
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* For more information on the parameters passed to this method,
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* please reference sati_translate_command().
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*
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* @return Indicate if the method was successfully completed.
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* @retval SATI_SUCCESS This is returned in all other cases.
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*/
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static
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SATI_STATUS sati_verify_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * ata_io
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)
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{
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U8 * cdb = sati_cb_get_cdb_address(scsi_io);
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U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
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/**
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* The translator doesn't support performing the byte check operation.
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* As a result, error the request if the BYTCHK bit is set.
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*/
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if ((sati_get_cdb_byte(cdb, 1) & SCSI_VERIFY_BYTCHK_ENABLED))
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{
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sati_scsi_sense_data_construct(
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sequence,
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scsi_io,
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SCSI_STATUS_CHECK_CONDITION,
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SCSI_SENSE_ILLEGAL_REQUEST,
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SCSI_ASC_INVALID_FIELD_IN_CDB,
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SCSI_ASCQ_INVALID_FIELD_IN_CDB
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);
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return SATI_FAILURE_CHECK_RESPONSE_DATA;
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}
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sequence->protocol = SAT_PROTOCOL_NON_DATA;
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sequence->data_direction = SATI_DATA_DIRECTION_NONE;
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sati_set_ata_device_head(register_fis, ATA_DEV_HEAD_REG_LBA_MODE_ENABLE);
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// Ensure the device supports the 48 bit feature set.
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if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)
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sati_set_ata_command(register_fis, ATA_READ_VERIFY_SECTORS_EXT);
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else
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sati_set_ata_command(register_fis, ATA_READ_VERIFY_SECTORS);
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return SATI_SUCCESS;
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}
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//******************************************************************************
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//* P U B L I C M E T H O D S
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//******************************************************************************
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/**
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* @brief This method performs all of the translation required for a
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* SCSI VERIFY 10 byte CDB.
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* This includes:
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* - logical block address translation
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* - transfer length (sector count) translation
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* - translation items common to all VERIFY CDB sizes.
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* For more information on the parameters passed to this method,
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* please reference sati_translate_command().
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*
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* @return Indicate if the command translation was successful.
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* For more information on return values please reference
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* sati_move_set_sector_count(), sati_verify_translate_command()
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*/
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SATI_STATUS sati_verify_10_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * ata_io
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)
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{
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SATI_STATUS status;
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U8 * cdb = sati_cb_get_cdb_address(scsi_io);
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U32 sector_count = (sati_get_cdb_byte(cdb, 7) << 8) |
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(sati_get_cdb_byte(cdb, 8));
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if(sati_device_state_stopped(sequence, scsi_io))
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{
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return SATI_FAILURE_CHECK_RESPONSE_DATA;
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}
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else
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{
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sequence->type = SATI_SEQUENCE_VERIFY_10;
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// Fill in the Logical Block Address fields and sector count registers.
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sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
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status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
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if (status != SATI_SUCCESS)
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return status;
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return sati_verify_translate_command(sequence, scsi_io, ata_io);
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}
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}
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/**
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* @brief This method performs all of the translation required for a
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* SCSI VERIFY 12 byte CDB.
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* This includes:
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* - logical block address translation
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* - transfer length (sector count) translation
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* - translation items common to all VERIFY CDB sizes.
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* For more information on the parameters passed to this method,
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* please reference sati_translate_command().
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*
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* @return Indicate if the command translation was successful.
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* For more information on return values please reference
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* sati_move_set_sector_count(), sati_verify_translate_command()
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*/
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SATI_STATUS sati_verify_12_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * ata_io
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)
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{
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SATI_STATUS status;
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U8 * cdb = sati_cb_get_cdb_address(scsi_io);
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U32 sector_count = (sati_get_cdb_byte(cdb, 6) << 24) |
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(sati_get_cdb_byte(cdb, 7) << 16) |
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(sati_get_cdb_byte(cdb, 8) << 8) |
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(sati_get_cdb_byte(cdb, 9));
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if(sati_device_state_stopped(sequence, scsi_io))
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{
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return SATI_FAILURE_CHECK_RESPONSE_DATA;
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}
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else
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{
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sequence->type = SATI_SEQUENCE_VERIFY_12;
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// Fill in the Logical Block Address fields and sector count registers.
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sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
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status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
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if (status != SATI_SUCCESS)
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return status;
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return sati_verify_translate_command(sequence, scsi_io, ata_io);
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}
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}
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/**
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* @brief This method performs all of the translation required for a
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* SCSI VERIFY 16 byte CDB.
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* This includes:
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* - logical block address translation
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* - transfer length (sector count) translation
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* - translation items common to all VERIFY CDB sizes.
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* For more information on the parameters passed to this method,
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* please reference sati_translate_command().
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*
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* @return Indicate if the command translation was successful.
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* For more information on return values please reference
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* sati_move_set_sector_count(), sati_verify_translate_command()
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*/
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SATI_STATUS sati_verify_16_translate_command(
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SATI_TRANSLATOR_SEQUENCE_T * sequence,
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void * scsi_io,
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void * ata_io
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)
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{
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SATI_STATUS status;
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U8 * cdb = sati_cb_get_cdb_address(scsi_io);
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U32 sector_count = (sati_get_cdb_byte(cdb, 10) << 24) |
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(sati_get_cdb_byte(cdb, 11) << 16) |
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(sati_get_cdb_byte(cdb, 12) << 8) |
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(sati_get_cdb_byte(cdb, 13));
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if(sati_device_state_stopped(sequence, scsi_io))
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{
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return SATI_FAILURE_CHECK_RESPONSE_DATA;
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}
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else
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{
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sequence->type = SATI_SEQUENCE_VERIFY_16;
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// Fill in the Logical Block Address field.
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status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
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if (status != SATI_SUCCESS)
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return status;
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// Fill in the Sector Count fields.
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status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
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if (status != SATI_SUCCESS)
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return status;
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return sati_verify_translate_command(sequence, scsi_io, ata_io);
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}
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}
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#endif // !defined(DISABLE_SATI_VERIFY)
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