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__FBSDID("$FreeBSD$");
57
58/**
59 * @file
60 * @brief This file contains the method implementations for translating
61 *        the SCSI VERIFY (10, 12, 16-byte) commands.
62 */
63
64#if !defined(DISABLE_SATI_VERIFY)
65
66#include <dev/isci/scil/sati_verify.h>
67#include <dev/isci/scil/sati_callbacks.h>
68#include <dev/isci/scil/sati_util.h>
69#include <dev/isci/scil/sati_move.h>
70
71#include <dev/isci/scil/intel_ata.h>
72#include <dev/isci/scil/intel_scsi.h>
73#include <dev/isci/scil/intel_sat.h>
74
75//******************************************************************************
76//* P R I V A T E   M E T H O D S
77//******************************************************************************
78
79/**
80 * @brief This method performs the SCSI VERIFY command translation
81 *        functionality common to all VERIFY command sizes.
82 *        This includes:
83 *        - setting the command register
84 *        - setting the device head register
85 *        - filling in fields in the SATI_TRANSLATOR_SEQUENCE object.
86 *        For more information on the parameters passed to this method,
87 *        please reference sati_translate_command().
88 *
89 * @return Indicate if the method was successfully completed.
90 * @retval SATI_SUCCESS This is returned in all other cases.
91 */
92static
93SATI_STATUS sati_verify_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   U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
101
102   /**
103    * The translator doesn't support performing the byte check operation.
104    * As a result, error the request if the BYTCHK bit is set.
105    */
106   if ((sati_get_cdb_byte(cdb, 1) & SCSI_VERIFY_BYTCHK_ENABLED))
107   {
108      sati_scsi_sense_data_construct(
109         sequence,
110         scsi_io,
111         SCSI_STATUS_CHECK_CONDITION,
112         SCSI_SENSE_ILLEGAL_REQUEST,
113         SCSI_ASC_INVALID_FIELD_IN_CDB,
114         SCSI_ASCQ_INVALID_FIELD_IN_CDB
115      );
116      return SATI_FAILURE_CHECK_RESPONSE_DATA;
117   }
118
119   sequence->protocol       = SAT_PROTOCOL_NON_DATA;
120   sequence->data_direction = SATI_DATA_DIRECTION_NONE;
121
122   sati_set_ata_device_head(register_fis, ATA_DEV_HEAD_REG_LBA_MODE_ENABLE);
123
124   // Ensure the device supports the 48 bit feature set.
125   if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)
126      sati_set_ata_command(register_fis, ATA_READ_VERIFY_SECTORS_EXT);
127   else
128      sati_set_ata_command(register_fis, ATA_READ_VERIFY_SECTORS);
129
130   return SATI_SUCCESS;
131}
132
133//******************************************************************************
134//* P U B L I C   M E T H O D S
135//******************************************************************************
136
137/**
138 * @brief This method performs all of the translation required for a
139 *        SCSI VERIFY 10 byte CDB.
140 *        This includes:
141 *        - logical block address translation
142 *        - transfer length (sector count) translation
143 *        - translation items common to all VERIFY CDB sizes.
144 *        For more information on the parameters passed to this method,
145 *        please reference sati_translate_command().
146 *
147 * @return Indicate if the command translation was successful.
148 *         For more information on return values please reference
149 *         sati_move_set_sector_count(), sati_verify_translate_command()
150 */
151SATI_STATUS sati_verify_10_translate_command(
152   SATI_TRANSLATOR_SEQUENCE_T * sequence,
153   void                       * scsi_io,
154   void                       * ata_io
155)
156{
157   SATI_STATUS   status;
158   U8          * cdb          = sati_cb_get_cdb_address(scsi_io);
159   U32           sector_count = (sati_get_cdb_byte(cdb, 7) << 8) |
160                                (sati_get_cdb_byte(cdb, 8));
161
162   if(sati_device_state_stopped(sequence, scsi_io))
163   {
164      return SATI_FAILURE_CHECK_RESPONSE_DATA;
165   }
166   else
167   {
168      sequence->type = SATI_SEQUENCE_VERIFY_10;
169
170      // Fill in the Logical Block Address fields and sector count registers.
171      sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
172      status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
173      if (status != SATI_SUCCESS)
174         return status;
175
176      return sati_verify_translate_command(sequence, scsi_io, ata_io);
177   }
178}
179
180/**
181 * @brief This method performs all of the translation required for a
182 *        SCSI VERIFY 12 byte CDB.
183 *        This includes:
184 *        - logical block address translation
185 *        - transfer length (sector count) translation
186 *        - translation items common to all VERIFY CDB sizes.
187 *        For more information on the parameters passed to this method,
188 *        please reference sati_translate_command().
189 *
190 * @return Indicate if the command translation was successful.
191 *         For more information on return values please reference
192 *         sati_move_set_sector_count(), sati_verify_translate_command()
193 */
194SATI_STATUS sati_verify_12_translate_command(
195   SATI_TRANSLATOR_SEQUENCE_T * sequence,
196   void                       * scsi_io,
197   void                       * ata_io
198)
199{
200   SATI_STATUS   status;
201   U8          * cdb          = sati_cb_get_cdb_address(scsi_io);
202   U32           sector_count = (sati_get_cdb_byte(cdb, 6) << 24) |
203                                (sati_get_cdb_byte(cdb, 7) << 16) |
204                                (sati_get_cdb_byte(cdb, 8) << 8)  |
205                                (sati_get_cdb_byte(cdb, 9));
206
207   if(sati_device_state_stopped(sequence, scsi_io))
208   {
209      return SATI_FAILURE_CHECK_RESPONSE_DATA;
210   }
211   else
212   {
213      sequence->type = SATI_SEQUENCE_VERIFY_12;
214
215      // Fill in the Logical Block Address fields and sector count registers.
216      sati_move_translate_32_bit_lba(sequence, scsi_io, ata_io);
217      status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
218      if (status != SATI_SUCCESS)
219         return status;
220
221      return sati_verify_translate_command(sequence, scsi_io, ata_io);
222   }
223}
224
225/**
226 * @brief This method performs all of the translation required for a
227 *        SCSI VERIFY 16 byte CDB.
228 *        This includes:
229 *        - logical block address translation
230 *        - transfer length (sector count) translation
231 *        - translation items common to all VERIFY CDB sizes.
232 *        For more information on the parameters passed to this method,
233 *        please reference sati_translate_command().
234 *
235 * @return Indicate if the command translation was successful.
236 *         For more information on return values please reference
237 *         sati_move_set_sector_count(), sati_verify_translate_command()
238 */
239SATI_STATUS sati_verify_16_translate_command(
240   SATI_TRANSLATOR_SEQUENCE_T * sequence,
241   void                       * scsi_io,
242   void                       * ata_io
243)
244{
245   SATI_STATUS   status;
246   U8          * cdb          = sati_cb_get_cdb_address(scsi_io);
247   U32           sector_count = (sati_get_cdb_byte(cdb, 10) << 24) |
248                                (sati_get_cdb_byte(cdb, 11) << 16) |
249                                (sati_get_cdb_byte(cdb, 12) << 8)  |
250                                (sati_get_cdb_byte(cdb, 13));
251
252   if(sati_device_state_stopped(sequence, scsi_io))
253   {
254      return SATI_FAILURE_CHECK_RESPONSE_DATA;
255   }
256   else
257   {
258      sequence->type = SATI_SEQUENCE_VERIFY_16;
259
260      // Fill in the Logical Block Address field.
261      status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
262      if (status != SATI_SUCCESS)
263         return status;
264
265      // Fill in the Sector Count fields.
266      status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
267      if (status != SATI_SUCCESS)
268         return status;
269
270      return sati_verify_translate_command(sequence, scsi_io, ata_io);
271   }
272}
273
274#endif // !defined(DISABLE_SATI_VERIFY)
275
276