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 * @brief This file contains the method implementations for translating
59 * the SCSI SYNCHRONIZE_CACHE (10, 16-byte) commands.
60 */
61
62 #if !defined(DISABLE_SATI_SYNCHRONIZE_CACHE)
63
64 #include <dev/isci/scil/sati_synchronize_cache.h>
65 #include <dev/isci/scil/sati_callbacks.h>
66 #include <dev/isci/scil/sati_util.h>
67 #include <dev/isci/scil/sati_translator_sequence.h>
68
69 #include <dev/isci/scil/intel_ata.h>
70 #include <dev/isci/scil/intel_scsi.h>
71 #include <dev/isci/scil/intel_sat.h>
72
73 //******************************************************************************
74 //* P R I V A T E M E T H O D S
75 //******************************************************************************
76
77 /**
78 * @brief This method performs the SCSI SYNCHRONIZE_CACHE 10 and 16 command translation
79 * functionality common to all SYNCHRONIZE_CACHE command sizes.
80 * This includes:
81 * - setting the command register
82 * - setting the device head register
83 * - filling in fields in the SATI_TRANSLATOR_SEQUENCE object.
84 * For more information on the parameters passed to this method,
85 * please reference sati_translate_command().
86 *
87 * @return Indicate if the method was successfully completed.
88 * @retval SATI_SUCCESS This is returned in all other cases.
89 */
sati_synchronize_cache_translate_command(SATI_TRANSLATOR_SEQUENCE_T * sequence,void * scsi_io,void * ata_io)90 SATI_STATUS sati_synchronize_cache_translate_command(
91 SATI_TRANSLATOR_SEQUENCE_T * sequence,
92 void * scsi_io,
93 void * ata_io
94 )
95 {
96 U8 * cdb = sati_cb_get_cdb_address(scsi_io);
97 U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
98
99 sequence->type = SATI_SEQUENCE_SYNCHRONIZE_CACHE;
100 sequence->protocol = SAT_PROTOCOL_NON_DATA;
101 sequence->data_direction = SATI_DATA_DIRECTION_NONE;
102
103 if (sati_get_cdb_byte(cdb, 1) & SCSI_SYNCHRONIZE_CACHE_IMMED_ENABLED)
104 {
105 //currently we ignore immed bit.
106 ;
107 }
108
109 // Ensure the device supports the 48 bit feature set.
110 if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)
111 sati_set_ata_command(register_fis, ATA_FLUSH_CACHE_EXT);
112 else
113 sati_set_ata_command(register_fis, ATA_FLUSH_CACHE);
114
115 return SATI_SUCCESS;
116 }
117
118 #endif // !defined(DISABLE_SATI_SYNCHRONIZE_CACHE)
119
120