xref: /freebsd/sys/dev/isci/scil/sati_test_unit_ready.c (revision 1719886f6d08408b834d270c59ffcfd821c8f63a)
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 required to
59  *        translate the SCSI test unit ready command.
60  */
61 
62 #if !defined(DISABLE_SATI_TEST_UNIT_READY)
63 
64 #include <dev/isci/scil/sati_test_unit_ready.h>
65 #include <dev/isci/scil/sati_util.h>
66 #include <dev/isci/scil/sati_callbacks.h>
67 #include <dev/isci/scil/intel_ata.h>
68 #include <dev/isci/scil/intel_scsi.h>
69 
70 /**
71  * @brief This method will translate the test unit ready SCSI command into
72  *        an ATA CHECK POWER MODE command.
73  *        For more information on the parameters passed to this method,
74  *        please reference sati_translate_command().
75  *
76  * @return Indicate if the command translation succeeded.
77  * @retval SCI_SUCCESS This is returned if the command translation was
78  *         successful.
79  * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if the
80  *         LBA field is not 0, the PMI bit is not 0.
81  */
82 SATI_STATUS sati_test_unit_ready_translate_command(
83    SATI_TRANSLATOR_SEQUENCE_T * sequence,
84    void                       * scsi_io,
85    void                       * ata_io
86 )
87 {
88    /**
89     * SAT dictates:
90     * - the device should be in a state to receive commands
91     * - a stopped device should cause sense data.
92     * - a format unit in progress should cause sense data.
93     * - a self-test in progress should cause sense data.
94     * - a device fault occurred on previous request should cause sense data.
95     * - handling the removable media feature set isn't supported according to
96     *   SAT specifications.
97     */
98    if (sequence->device->state == SATI_DEVICE_STATE_STOPPED)
99    {
100       sati_scsi_sense_data_construct(
101          sequence,
102          scsi_io,
103          SCSI_STATUS_CHECK_CONDITION,
104          SCSI_SENSE_NOT_READY,
105          SCSI_ASC_INITIALIZING_COMMAND_REQUIRED,
106          SCSI_ASCQ_INITIALIZING_COMMAND_REQUIRED
107       );
108       return SATI_FAILURE_CHECK_RESPONSE_DATA;
109    }
110    else if (sequence->device->state
111             == SATI_DEVICE_STATE_SELF_TEST_IN_PROGRESS)
112    {
113       sati_scsi_sense_data_construct(
114          sequence,
115          scsi_io,
116          SCSI_STATUS_CHECK_CONDITION,
117          SCSI_SENSE_NOT_READY,
118          SCSI_ASC_LUN_SELF_TEST_IN_PROGRESS,
119          SCSI_ASCQ_LUN_SELF_TEST_IN_PROGRESS
120       );
121       return SATI_FAILURE_CHECK_RESPONSE_DATA;
122    }
123    else if (sequence->device->state
124             == SATI_DEVICE_STATE_FORMAT_UNIT_IN_PROGRESS)
125    {
126       sati_scsi_sense_data_construct(
127          sequence,
128          scsi_io,
129          SCSI_STATUS_CHECK_CONDITION,
130          SCSI_SENSE_NOT_READY,
131          SCSI_ASC_LUN_FORMAT_IN_PROGRESS,
132          SCSI_ASCQ_LUN_FORMAT_IN_PROGRESS
133       );
134       return SATI_FAILURE_CHECK_RESPONSE_DATA;
135    }
136 
137    // The CDB is properly formed and the device is ready.
138    sequence->type = SATI_SEQUENCE_TEST_UNIT_READY;
139 
140    sati_ata_check_power_mode_construct(ata_io, sequence);
141    return SATI_SUCCESS;
142 }
143 
144 /**
145  * @brief This method will translate the ATA CHECK POWER MODE register FIS
146  *        response into an appropriate SCSI response.
147  *        For more information on the parameters passed to this method,
148  *        please reference sati_translate_response().
149  *
150  * @return Indicate if the response translation succeeded.
151  * @retval SCI_SUCCESS This is returned if the data translation was
152  *         successful.
153  */
154 SATI_STATUS sati_test_unit_ready_translate_response(
155    SATI_TRANSLATOR_SEQUENCE_T * sequence,
156    void                       * scsi_io,
157    void                       * ata_io
158 )
159 {
160    U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io);
161 
162    /**
163     * SAT dictates:
164     * - If the ATA CHECK POWER MODE command returns an error, then
165     *   return sense data indicating the LOGICAL UNIT DOES NOT RESPONSE
166     *   TO SELECTION.
167     * - All other cases are considered successful.
168     */
169    if (sati_get_ata_status(register_fis) & ATA_STATUS_REG_ERROR_BIT)
170    {
171       sati_scsi_sense_data_construct(
172          sequence,
173          scsi_io,
174          SCSI_STATUS_CHECK_CONDITION,
175          SCSI_SENSE_NOT_READY,
176          SCSI_ASC_LUN_NOT_RESPOND_TO_SELECTION,
177          SCSI_ASCQ_LUN_NOT_RESPOND_TO_SELECTION
178       );
179       return SATI_FAILURE_CHECK_RESPONSE_DATA;
180    }
181 
182    return SATI_COMPLETE;
183 }
184 
185 #endif // !defined(DISABLE_SATI_TEST_UNIT_READY)
186 
187