xref: /freebsd/sys/dev/isci/scil/sati_write_long.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
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 implementation to translate
59  *        SCSI Write Long 10 and 16 commands based on the SAT spec.
60  */
61 
62 #if !defined(DISABLE_SATI_WRITE_LONG)
63 
64 #include <dev/isci/scil/sati_write_long.h>
65 #include <dev/isci/scil/sati_device.h>
66 #include <dev/isci/scil/sati_util.h>
67 #include <dev/isci/scil/intel_scsi.h>
68 #include <dev/isci/scil/intel_ata.h>
69 #include <dev/isci/scil/intel_sat.h>
70 #include <dev/isci/scil/sati_callbacks.h>
71 #include <dev/isci/scil/sati_move.h>
72 
73 #define LOGICAL_PER_PHYSICAL_SECTOR 0xF
74 
75 #define WR_UNCOR_BIT          0x02
76 #define WR_UNCOR_PBLOCK_BIT   0x03
77 #define COR_DIS_WR_UNCORR_BIT 0x06
78 
79 
80 /**
81  * @brief This method will translate the write long 10 & 16 SCSI commands into
82  *        ATA write uncorrectable commands. For more information on the
83  *        parameters passed to this method, please reference
84  *        sati_translate_command().
85  *
86  * @return Indicate if the command translation succeeded.
87  * @retval SCI_SUCCESS This is returned if the command translation was
88  *         successful.
89  * @retval SATI_FAILURE_CHECK_RESPONSE_DATA is returned if there was
90  *         a problem with the translation of write long.
91  *
92  */
93 SATI_STATUS sati_write_long_translate_command(
94    SATI_TRANSLATOR_SEQUENCE_T * sequence,
95    void                       * scsi_io,
96    void                       * ata_io
97 )
98 {
99    U8 * cdb = sati_cb_get_cdb_address(scsi_io);
100    SATI_STATUS status = SATI_FAILURE;
101    U16 byte_transfer_length;
102    U8 device_head  = 0;
103 
104    if((sequence->device->capabilities &
105        SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE) == 0)
106    {
107       sati_scsi_sense_data_construct(
108          sequence,
109          scsi_io,
110          SCSI_STATUS_CHECK_CONDITION,
111          SCSI_SENSE_ILLEGAL_REQUEST,
112          SCSI_ASC_INVALID_COMMAND_OPERATION_CODE,
113          SCSI_ASCQ_INVALID_COMMAND_OPERATION_CODE
114       );
115       return SATI_FAILURE_CHECK_RESPONSE_DATA;
116    }
117 
118    //Write Long 10
119    if(sati_get_cdb_byte(cdb, 0) == SCSI_WRITE_LONG_10)
120    {
121       byte_transfer_length = (sati_get_cdb_byte(cdb, 7) << 8) |
122                              (sati_get_cdb_byte(cdb, 8));
123 
124       sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
125    }
126    else //Write Long 16
127    {
128       byte_transfer_length = (sati_get_cdb_byte(cdb, 12) << 8) |
129                              (sati_get_cdb_byte(cdb, 13));
130 
131       status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
132 
133       if( status == SATI_FAILURE_CHECK_RESPONSE_DATA)
134       {
135          return status;
136       }
137    }
138 
139 
140    sati_move_translate_command(sequence, scsi_io, ata_io, device_head);
141 
142    if( byte_transfer_length != 0 )
143    {
144       sati_scsi_sense_data_construct(
145          sequence,
146          scsi_io,
147          SCSI_STATUS_CHECK_CONDITION,
148          SCSI_SENSE_ILLEGAL_REQUEST,
149          SCSI_ASC_INVALID_FIELD_IN_CDB,
150          SCSI_ASCQ_INVALID_FIELD_IN_CDB
151       );
152       return SATI_FAILURE_CHECK_RESPONSE_DATA;
153    }
154 
155    switch(SATI_WRITE_LONG_GET_COR_WR_PB_BITS(cdb))
156    {
157       case WR_UNCOR_BIT :
158 
159          if( (sequence->device->capabilities &
160               SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR) != 0 )
161          {
162             sati_scsi_sense_data_construct(
163                sequence,
164                scsi_io,
165                SCSI_STATUS_CHECK_CONDITION,
166                SCSI_SENSE_ILLEGAL_REQUEST,
167                SCSI_ASC_INVALID_FIELD_IN_CDB,
168                SCSI_ASCQ_INVALID_FIELD_IN_CDB
169             );
170             return SATI_FAILURE_CHECK_RESPONSE_DATA;
171          }
172          else
173          {
174             sati_ata_write_uncorrectable_construct(
175                ata_io,
176                sequence,
177                ATA_WRITE_UNCORRECTABLE_PSEUDO
178             );
179             sequence->type = SATI_SEQUENCE_WRITE_LONG;
180             status = SATI_SUCCESS;
181          }
182          break;
183 
184       case WR_UNCOR_PBLOCK_BIT :
185 
186          sati_ata_write_uncorrectable_construct(
187             ata_io,
188             sequence,
189             ATA_WRITE_UNCORRECTABLE_PSEUDO
190          );
191          sequence->type = SATI_SEQUENCE_WRITE_LONG;
192          status = SATI_SUCCESS;
193          break;
194 
195       case COR_DIS_WR_UNCORR_BIT :
196 
197          sati_ata_write_uncorrectable_construct(
198             ata_io,
199             sequence,
200             ATA_WRITE_UNCORRECTABLE_FLAGGED
201          );
202          sequence->type = SATI_SEQUENCE_WRITE_LONG;
203          status = SATI_SUCCESS;
204          break;
205 
206       default :
207 
208          sati_scsi_sense_data_construct(
209             sequence,
210             scsi_io,
211             SCSI_STATUS_CHECK_CONDITION,
212             SCSI_SENSE_ILLEGAL_REQUEST,
213             SCSI_ASC_INVALID_FIELD_IN_CDB,
214             SCSI_ASCQ_INVALID_FIELD_IN_CDB
215          );
216          return SATI_FAILURE_CHECK_RESPONSE_DATA;
217          break;
218    }
219    return status;
220 }
221 
222 /**
223  * @brief This method will translate the response to the SATI Write Long
224  *        translation. This response is only error checking the
225  *        ATA Write Uncorrectable command.
226  *
227  * @return SATI_STATUS Indicates if the response translation succeeded.
228  * @retval SCI_COMPLETE This is returned if the command translation was
229  *         successful.
230  * @retval SATI_FAILURE_CHECK_RESPONSE_DATA is returned if there was
231  *         a problem with the translation of write long.
232  */
233 SATI_STATUS sati_write_long_translate_response(
234    SATI_TRANSLATOR_SEQUENCE_T * sequence,
235    void                       * scsi_io,
236    void                       * ata_io
237 )
238 {
239    U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io);
240 
241    if (sati_get_ata_status(register_fis) & ATA_STATUS_REG_ERROR_BIT)
242    {
243       sati_scsi_sense_data_construct(
244          sequence,
245          scsi_io,
246          SCSI_STATUS_CHECK_CONDITION,
247          SCSI_SENSE_ABORTED_COMMAND,
248          SCSI_ASC_COMMAND_SEQUENCE_ERROR,
249          SCSI_ASCQ_NO_ADDITIONAL_SENSE
250       );
251       return SATI_FAILURE_CHECK_RESPONSE_DATA;
252    }
253    else
254    {
255       return SATI_COMPLETE;
256    }
257 }
258 
259 #endif // !defined(DISABLE_SATI_WRITE_LONG)
260