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 all of the defintions for the SATI remote
61 *        device object.  Some translations require information to be
62 *        remembered on a per device basis.  This information is stored
63 *        in the object defined in this file.
64 */
65
66#include <dev/isci/scil/sati_device.h>
67#include <dev/isci/scil/sci_util.h>  // Move this file.
68#include <dev/isci/scil/sati_unmap.h>
69#include <dev/isci/scil/intel_scsi.h>
70
71/**
72 * @brief This method simply initializes the data members in the device
73 *        object to their appropriate values.
74 *
75 * @param[in] device This parameter specifies the device for which to
76 *            initialize the data members.
77 * @param[in] is_ncq_enabled This parameter specifies if NCQ is to be
78 *            utilized for this particular SATI device.
79 * @param[in] max_ncq_depth This parameter specifies the maximum desired
80 *            NCQ depth.  Once this value is set it can never be increased.
81 * @param[in] ignore_fua This parameter specifies FUA is to be ignored and not
82 *            sent to the end device. Some OS (Windows) has quirky behaviors with FUA
83 *            and recommend driver developers ignore the bit.
84 *
85 * @return none
86 */
87void sati_device_construct(
88   SATI_DEVICE_T * device,
89   BOOL            is_ncq_enabled,
90   U8              max_ncq_depth,
91   BOOL            ignore_fua
92)
93{
94   device->state                   = SATI_DEVICE_STATE_OPERATIONAL;
95   device->capabilities            = 0;
96   device->descriptor_sense_enable = SCSI_MODE_PAGE_CONTROL_D_SENSE_DISABLE;
97
98   // The user requested that NCQ be utilized if it is supported by
99   // the device.
100   if (is_ncq_enabled == TRUE)
101      device->capabilities |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE;
102
103   device->ncq_depth      = max_ncq_depth;
104
105   // The user requested that FUA is ignored (windows performance issue)
106   if (ignore_fua == TRUE)
107      device->capabilities |= SATI_DEVICE_CAP_IGNORE_FUA;
108
109}
110
111/**
112 * @brief This method will update the SATI_DEVICE capabilities based on
113 *        the supplied ATA_IDENTIFY_DEVICE_DATA.
114 *
115 * @param[in] device This parameter specifies the device for which to update
116 *            the supported capabilities.
117 * @param[in] identify This parameter specifies the ata identify device
118 *            information from which to extract the capabilities of the
119 *            device.
120 *
121 * @return none
122 */
123void sati_device_update_capabilities(
124   SATI_DEVICE_T              * device,
125   ATA_IDENTIFY_DEVICE_DATA_T * identify
126)
127{
128   U16 capabilities = 0;
129
130   if (identify->capabilities1 & ATA_IDENTIFY_CAPABILITIES1_NORMAL_DMA_ENABLE)
131      capabilities |= SATI_DEVICE_CAP_UDMA_ENABLE;
132
133   if (identify->command_set_supported1
134       & ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE)
135   {
136      capabilities |= SATI_DEVICE_CAP_48BIT_ENABLE;
137   }
138
139   if (identify->command_set_supported0
140       & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE)
141   {
142      capabilities |= SATI_DEVICE_CAP_SMART_SUPPORT;
143   }
144
145   if (identify->command_set_enabled0
146       & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE)
147   {
148       capabilities |= SATI_DEVICE_CAP_SMART_ENABLE;
149   }
150
151   // Save the NCQ related capabilities information.
152   if (identify->serial_ata_capabilities
153       & ATA_IDENTIFY_SATA_CAPABILITIES_NCQ_ENABLE)
154   {
155      if (device->capabilities & SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE)
156      {
157         capabilities      |= SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE;
158         capabilities      |= SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE;
159         capabilities      |= SATI_DEVICE_CAP_DMA_FUA_ENABLE;
160         device->ncq_depth  = MIN(
161                                 device->ncq_depth,
162                                 (U8) (identify->queue_depth
163                                 & ATA_IDENTIFY_NCQ_QUEUE_DEPTH_ENABLE) + 1
164                              );
165      }
166   }
167
168   // if the user requested that FUA is ignored; transfer it so we don't lose on update.
169   if (device->capabilities & SATI_DEVICE_CAP_IGNORE_FUA)
170	   capabilities |= SATI_DEVICE_CAP_IGNORE_FUA;
171
172   if (identify->general_config_bits & ATA_IDENTIFY_REMOVABLE_MEDIA_ENABLE)
173      capabilities |= SATI_DEVICE_CAP_REMOVABLE_MEDIA;
174
175   if(identify->command_set_supported2 & ATA_IDENTIFY_WRITE_UNCORRECTABLE_SUPPORT )
176   {
177      capabilities |= SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE;
178   }
179
180   if(identify->physical_logical_sector_info &
181      ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE)
182   {
183      capabilities |= SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR;
184   }
185
186   if(identify->command_set_supported_extention &
187      ATA_IDENTIFY_COMMAND_SET_SMART_SELF_TEST_SUPPORTED)
188   {
189      capabilities |= SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT;
190   }
191
192   if (identify->nominal_media_rotation_rate == 1)
193   {
194       capabilities |= SATI_DEVICE_CAP_SSD;
195   }
196
197   // Save off the logical block size reported by the drive
198   // See if Word 106 is valid and reports a logical sector size
199   if ((identify->physical_logical_sector_info & 0x5000) == 0x5000)
200   {
201       device->logical_block_size = (identify->words_per_logical_sector[3] << 24) |
202                                    (identify->words_per_logical_sector[2] << 16) |
203                                    (identify->words_per_logical_sector[1] << 8) |
204                                    (identify->words_per_logical_sector[0]);
205   }
206   else
207   {
208       device->logical_block_size = 512;
209   }
210
211   // Determine DSM TRIM capabilities
212   // Defend against SSDs which report TRIM support, but set
213   //  max_lba_range_entry_blocks to zero, by disabling TRIM for
214   //  those SSDs.
215   if (
216     (identify->data_set_management & ATA_IDENTIFY_COMMAND_SET_DSM_TRIM_SUPPORTED)
217     && (identify->max_lba_range_entry_blocks > 0)
218      )
219   {
220      capabilities |= SATI_DEVICE_CAP_DSM_TRIM_SUPPORT;
221      device->max_lba_range_entry_blocks = identify->max_lba_range_entry_blocks;
222   }
223
224   if (identify->additional_supported
225       & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_DETERMINISTIC_READ)
226   {
227      capabilities |= SATI_DEVICE_CAP_DETERMINISTIC_READ_AFTER_TRIM;
228   }
229
230   if (identify->additional_supported
231       & ATA_IDENTIFY_COMMAND_ADDL_SUPPORTED_READ_ZERO)
232   {
233      capabilities |= SATI_DEVICE_CAP_READ_ZERO_AFTER_TRIM;
234   }
235
236   if (identify->capabilities1
237       & ATA_IDENTIFY_CAPABILITIES1_STANDBY_ENABLE)
238   {
239       capabilities |= SATI_DEVICE_CAP_STANDBY_ENABLE;
240   }
241
242   device->min_blocks_per_microcode_command = identify->min_num_blocks_per_microcode;
243   device->max_blocks_per_microcode_command = identify->max_num_blocks_per_microcode;
244
245   device->capabilities = capabilities;
246}
247
248