diff options
Diffstat (limited to 'sys/dev/isci/scil/sati_lun_reset.c')
| -rw-r--r-- | sys/dev/isci/scil/sati_lun_reset.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sys/dev/isci/scil/sati_lun_reset.c b/sys/dev/isci/scil/sati_lun_reset.c new file mode 100644 index 0000000..6696a16 --- /dev/null +++ b/sys/dev/isci/scil/sati_lun_reset.c @@ -0,0 +1,122 @@ +/*- + * 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 method implementations required to + * translate the SCSI lun reset command. + */ + +#if !defined(DISABLE_SATI_TASK_MANAGEMENT) + +#include <dev/isci/scil/sati_lun_reset.h> +#include <dev/isci/scil/sati_callbacks.h> +#include <dev/isci/scil/sati_util.h> +#include <dev/isci/scil/intel_ata.h> +#include <dev/isci/scil/intel_scsi.h> +#include <dev/isci/scil/intel_sat.h> + +//****************************************************************************** +//* P U B L I C M E T H O D S +//****************************************************************************** + +/** + * @brief This method will translate the lun reset SCSI task request into an + * ATA SOFT RESET command. 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. + * + * @note It is up to the user of the sata translator to set the command bit + * and clear the control softreset bit and send the second register fis. + */ +SATI_STATUS sati_lun_reset_translate_command( + SATI_TRANSLATOR_SEQUENCE_T * sequence, + void * scsi_io, + void * ata_io +) +{ + U8* register_fis = sati_cb_get_h2d_register_fis_address(ata_io); + + sati_set_ata_command(register_fis, ATA_NOP); + sati_set_ata_control(register_fis, ATA_CONTROL_REG_SOFT_RESET_BIT); + + //set all other fields to zero. + sati_clear_sata_command_flag(register_fis); + sati_set_ata_features(register_fis, 0); + sati_set_ata_features_exp(register_fis, 0); + sati_set_ata_sector_count(register_fis, 0); + sati_set_ata_sector_count_exp(register_fis, 0); + sati_set_ata_lba_low(register_fis, 0); + sati_set_ata_lba_mid(register_fis, 0); + sati_set_ata_lba_high(register_fis, 0); + sati_set_ata_lba_low_exp(register_fis, 0); + sati_set_ata_lba_mid_exp(register_fis, 0); + sati_set_ata_lba_high_exp(register_fis, 0); + sati_set_ata_device_head(register_fis, 0); + + sequence->type = SATI_SEQUENCE_LUN_RESET; + sequence->data_direction = SATI_DATA_DIRECTION_NONE; + sequence->protocol = SAT_PROTOCOL_SOFT_RESET; + sequence->ata_transfer_length = 0; + + return SATI_SUCCESS; +} + +#endif // !defined(DISABLE_SATI_TASK_MANAGEMENT) + |
