1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *
9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
23 * The full GNU General Public License is included in this distribution
24 * in the file called LICENSE.GPL.
25 *
26 * BSD LICENSE
27 *
28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
29 * All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 *
35 * * Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * * Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in
39 * the documentation and/or other materials provided with the
40 * distribution.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 */
54
55 #include <sys/cdefs.h>
56 /**
57 * @file
58 *
59 * @brief This file contains the method implementations required to
60 * translate the SCSI lun reset command.
61 */
62
63 #if !defined(DISABLE_SATI_TASK_MANAGEMENT)
64
65 #include <dev/isci/scil/sati_lun_reset.h>
66 #include <dev/isci/scil/sati_callbacks.h>
67 #include <dev/isci/scil/sati_util.h>
68 #include <dev/isci/scil/intel_ata.h>
69 #include <dev/isci/scil/intel_scsi.h>
70 #include <dev/isci/scil/intel_sat.h>
71
72 //******************************************************************************
73 //* P U B L I C M E T H O D S
74 //******************************************************************************
75
76 /**
77 * @brief This method will translate the lun reset SCSI task request into an
78 * ATA SOFT RESET command. For more information on the parameters
79 * passed to this method, please reference sati_translate_command().
80 *
81 * @return Indicate if the command translation succeeded.
82 * @retval SCI_SUCCESS This is returned if the command translation was
83 * successful.
84 *
85 * @note It is up to the user of the sata translator to set the command bit
86 * and clear the control softreset bit and send the second register fis.
87 */
sati_lun_reset_translate_command(SATI_TRANSLATOR_SEQUENCE_T * sequence,void * scsi_io,void * ata_io)88 SATI_STATUS sati_lun_reset_translate_command(
89 SATI_TRANSLATOR_SEQUENCE_T * sequence,
90 void * scsi_io,
91 void * ata_io
92 )
93 {
94 U8* register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
95
96 sati_set_ata_command(register_fis, ATA_NOP);
97 sati_set_ata_control(register_fis, ATA_CONTROL_REG_SOFT_RESET_BIT);
98
99 //set all other fields to zero.
100 sati_clear_sata_command_flag(register_fis);
101 sati_set_ata_features(register_fis, 0);
102 sati_set_ata_features_exp(register_fis, 0);
103 sati_set_ata_sector_count(register_fis, 0);
104 sati_set_ata_sector_count_exp(register_fis, 0);
105 sati_set_ata_lba_low(register_fis, 0);
106 sati_set_ata_lba_mid(register_fis, 0);
107 sati_set_ata_lba_high(register_fis, 0);
108 sati_set_ata_lba_low_exp(register_fis, 0);
109 sati_set_ata_lba_mid_exp(register_fis, 0);
110 sati_set_ata_lba_high_exp(register_fis, 0);
111 sati_set_ata_device_head(register_fis, 0);
112
113 sequence->type = SATI_SEQUENCE_LUN_RESET;
114 sequence->data_direction = SATI_DATA_DIRECTION_NONE;
115 sequence->protocol = SAT_PROTOCOL_SOFT_RESET;
116 sequence->ata_transfer_length = 0;
117
118 return SATI_SUCCESS;
119 }
120
121 #endif // !defined(DISABLE_SATI_TASK_MANAGEMENT)
122
123