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Linux/Documentation/ABI/testing/sysfs-driver-ufs

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Diff markup

Differences between /Documentation/ABI/testing/sysfs-driver-ufs (Version linux-6.12-rc7) and /Documentation/ABI/testing/sysfs-driver-ufs (Version linux-5.9.16)


  1 What:           /sys/bus/*/drivers/ufshcd/*/au      1 What:           /sys/bus/*/drivers/ufshcd/*/auto_hibern8
  2 Date:           March 2018                          2 Date:           March 2018
  3 Contact:        linux-scsi@vger.kernel.org          3 Contact:        linux-scsi@vger.kernel.org
  4 Description:                                        4 Description:
  5                 This file contains the auto-hi      5                 This file contains the auto-hibernate idle timer setting of a
  6                 UFS host controller. A value o      6                 UFS host controller. A value of '0' means auto-hibernate is not
  7                 enabled. Otherwise the value i      7                 enabled. Otherwise the value is the number of microseconds of
  8                 idle time before the UFS host       8                 idle time before the UFS host controller will autonomously put
  9                 the link into hibernate state.      9                 the link into hibernate state. That will save power at the
 10                 expense of increased latency.      10                 expense of increased latency. Note that the hardware supports
 11                 10-bit values with a power-of-     11                 10-bit values with a power-of-ten multiplier which allows a
 12                 maximum value of 102300000. Re     12                 maximum value of 102300000. Refer to the UFS Host Controller
 13                 Interface specification for mo     13                 Interface specification for more details.
 14                                                    14 
 15 What:           /sys/bus/platform/drivers/ufsh     15 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_type
 16 What:           /sys/bus/platform/devices/*.uf << 
 17 Date:           February 2018                      16 Date:           February 2018
 18 Contact:        Stanislav Nijnikov <stanislav.n     17 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 19 Description:    This file shows the device typ     18 Description:    This file shows the device type. This is one of the UFS
 20                 device descriptor parameters.      19                 device descriptor parameters. The full information about
 21                 the descriptor could be found      20                 the descriptor could be found at UFS specifications 2.1.
 22                                                << 
 23                 The file is read only.             21                 The file is read only.
 24                                                    22 
 25 What:           /sys/bus/platform/drivers/ufsh     23 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_class
 26 What:           /sys/bus/platform/devices/*.uf << 
 27 Date:           February 2018                      24 Date:           February 2018
 28 Contact:        Stanislav Nijnikov <stanislav.n     25 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 29 Description:    This file shows the device cla     26 Description:    This file shows the device class. This is one of the UFS
 30                 device descriptor parameters.      27                 device descriptor parameters. The full information about
 31                 the descriptor could be found      28                 the descriptor could be found at UFS specifications 2.1.
 32                                                << 
 33                 The file is read only.             29                 The file is read only.
 34                                                    30 
 35 What:           /sys/bus/platform/drivers/ufsh     31 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_sub_class
 36 What:           /sys/bus/platform/devices/*.uf << 
 37 Date:           February 2018                      32 Date:           February 2018
 38 Contact:        Stanislav Nijnikov <stanislav.n     33 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 39 Description:    This file shows the UFS storag     34 Description:    This file shows the UFS storage subclass. This is one of
 40                 the UFS device descriptor para     35                 the UFS device descriptor parameters. The full information
 41                 about the descriptor could be      36                 about the descriptor could be found at UFS specifications 2.1.
 42                                                << 
 43                 The file is read only.             37                 The file is read only.
 44                                                    38 
 45 What:           /sys/bus/platform/drivers/ufsh     39 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/protocol
 46 What:           /sys/bus/platform/devices/*.uf << 
 47 Date:           February 2018                      40 Date:           February 2018
 48 Contact:        Stanislav Nijnikov <stanislav.n     41 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 49 Description:    This file shows the protocol s     42 Description:    This file shows the protocol supported by an UFS device.
 50                 This is one of the UFS device      43                 This is one of the UFS device descriptor parameters.
 51                 The full information about the     44                 The full information about the descriptor could be found
 52                 at UFS specifications 2.1.         45                 at UFS specifications 2.1.
 53                                                << 
 54                 The file is read only.             46                 The file is read only.
 55                                                    47 
 56 What:           /sys/bus/platform/drivers/ufsh     48 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_luns
 57 What:           /sys/bus/platform/devices/*.uf << 
 58 Date:           February 2018                      49 Date:           February 2018
 59 Contact:        Stanislav Nijnikov <stanislav.n     50 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 60 Description:    This file shows number of logi     51 Description:    This file shows number of logical units. This is one of
 61                 the UFS device descriptor para     52                 the UFS device descriptor parameters. The full information
 62                 about the descriptor could be      53                 about the descriptor could be found at UFS specifications 2.1.
 63                                                << 
 64                 The file is read only.             54                 The file is read only.
 65                                                    55 
 66 What:           /sys/bus/platform/drivers/ufsh     56 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_wluns
 67 What:           /sys/bus/platform/devices/*.uf << 
 68 Date:           February 2018                      57 Date:           February 2018
 69 Contact:        Stanislav Nijnikov <stanislav.n     58 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 70 Description:    This file shows number of well     59 Description:    This file shows number of well known logical units.
 71                 This is one of the UFS device      60                 This is one of the UFS device descriptor parameters.
 72                 The full information about the     61                 The full information about the descriptor could be found
 73                 at UFS specifications 2.1.         62                 at UFS specifications 2.1.
 74                                                << 
 75                 The file is read only.             63                 The file is read only.
 76                                                    64 
 77 What:           /sys/bus/platform/drivers/ufsh     65 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/boot_enable
 78 What:           /sys/bus/platform/devices/*.uf << 
 79 Date:           February 2018                      66 Date:           February 2018
 80 Contact:        Stanislav Nijnikov <stanislav.n     67 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 81 Description:    This file shows value that ind     68 Description:    This file shows value that indicates whether the device is
 82                 enabled for boot. This is one      69                 enabled for boot. This is one of the UFS device descriptor
 83                 parameters. The full informati     70                 parameters. The full information about the descriptor could
 84                 be found at UFS specifications     71                 be found at UFS specifications 2.1.
 85                                                << 
 86                 The file is read only.             72                 The file is read only.
 87                                                    73 
 88 What:           /sys/bus/platform/drivers/ufsh     74 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/descriptor_access_enable
 89 What:           /sys/bus/platform/devices/*.uf << 
 90 Date:           February 2018                      75 Date:           February 2018
 91 Contact:        Stanislav Nijnikov <stanislav.n     76 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 92 Description:    This file shows value that ind     77 Description:    This file shows value that indicates whether the device
 93                 descriptor could be read after     78                 descriptor could be read after partial initialization phase
 94                 of the boot sequence. This is      79                 of the boot sequence. This is one of the UFS device descriptor
 95                 parameters. The full informati     80                 parameters. The full information about the descriptor could
 96                 be found at UFS specifications     81                 be found at UFS specifications 2.1.
 97                                                << 
 98                 The file is read only.             82                 The file is read only.
 99                                                    83 
100 What:           /sys/bus/platform/drivers/ufsh     84 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/initial_power_mode
101 What:           /sys/bus/platform/devices/*.uf << 
102 Date:           February 2018                      85 Date:           February 2018
103 Contact:        Stanislav Nijnikov <stanislav.n     86 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
104 Description:    This file shows value that def     87 Description:    This file shows value that defines the power mode after
105                 device initialization or hardw     88                 device initialization or hardware reset. This is one of
106                 the UFS device descriptor para     89                 the UFS device descriptor parameters. The full information
107                 about the descriptor could be      90                 about the descriptor could be found at UFS specifications 2.1.
108                                                << 
109                 The file is read only.             91                 The file is read only.
110                                                    92 
111 What:           /sys/bus/platform/drivers/ufsh     93 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/high_priority_lun
112 What:           /sys/bus/platform/devices/*.uf << 
113 Date:           February 2018                      94 Date:           February 2018
114 Contact:        Stanislav Nijnikov <stanislav.n     95 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
115 Description:    This file shows the high prior     96 Description:    This file shows the high priority lun. This is one of
116                 the UFS device descriptor para     97                 the UFS device descriptor parameters. The full information
117                 about the descriptor could be      98                 about the descriptor could be found at UFS specifications 2.1.
118                                                << 
119                 The file is read only.             99                 The file is read only.
120                                                   100 
121 What:           /sys/bus/platform/drivers/ufsh    101 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/secure_removal_type
122 What:           /sys/bus/platform/devices/*.uf << 
123 Date:           February 2018                     102 Date:           February 2018
124 Contact:        Stanislav Nijnikov <stanislav.n    103 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
125 Description:    This file shows the secure rem    104 Description:    This file shows the secure removal type. This is one of
126                 the UFS device descriptor para    105                 the UFS device descriptor parameters. The full information
127                 about the descriptor could be     106                 about the descriptor could be found at UFS specifications 2.1.
128                                                << 
129                 The file is read only.            107                 The file is read only.
130                                                   108 
131 What:           /sys/bus/platform/drivers/ufsh    109 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/support_security_lun
132 What:           /sys/bus/platform/devices/*.uf << 
133 Date:           February 2018                     110 Date:           February 2018
134 Contact:        Stanislav Nijnikov <stanislav.n    111 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
135 Description:    This file shows whether the se    112 Description:    This file shows whether the security lun is supported.
136                 This is one of the UFS device     113                 This is one of the UFS device descriptor parameters.
137                 The full information about the    114                 The full information about the descriptor could be found
138                 at UFS specifications 2.1.        115                 at UFS specifications 2.1.
139                                                << 
140                 The file is read only.            116                 The file is read only.
141                                                   117 
142 What:           /sys/bus/platform/drivers/ufsh    118 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/bkops_termination_latency
143 What:           /sys/bus/platform/devices/*.uf << 
144 Date:           February 2018                     119 Date:           February 2018
145 Contact:        Stanislav Nijnikov <stanislav.n    120 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
146 Description:    This file shows the background    121 Description:    This file shows the background operations termination
147                 latency. This is one of the UF    122                 latency. This is one of the UFS device descriptor parameters.
148                 The full information about the    123                 The full information about the descriptor could be found
149                 at UFS specifications 2.1.        124                 at UFS specifications 2.1.
150                                                << 
151                 The file is read only.            125                 The file is read only.
152                                                   126 
153 What:           /sys/bus/platform/drivers/ufsh    127 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/initial_active_icc_level
154 What:           /sys/bus/platform/devices/*.uf << 
155 Date:           February 2018                     128 Date:           February 2018
156 Contact:        Stanislav Nijnikov <stanislav.n    129 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
157 Description:    This file shows the initial ac    130 Description:    This file shows the initial active ICC level. This is one
158                 of the UFS device descriptor p    131                 of the UFS device descriptor parameters. The full information
159                 about the descriptor could be     132                 about the descriptor could be found at UFS specifications 2.1.
160                                                << 
161                 The file is read only.            133                 The file is read only.
162                                                   134 
163 What:           /sys/bus/platform/drivers/ufsh    135 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/specification_version
164 What:           /sys/bus/platform/devices/*.uf << 
165 Date:           February 2018                     136 Date:           February 2018
166 Contact:        Stanislav Nijnikov <stanislav.n    137 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
167 Description:    This file shows the specificat    138 Description:    This file shows the specification version. This is one
168                 of the UFS device descriptor p    139                 of the UFS device descriptor parameters. The full information
169                 about the descriptor could be     140                 about the descriptor could be found at UFS specifications 2.1.
170                                                << 
171                 The file is read only.            141                 The file is read only.
172                                                   142 
173 What:           /sys/bus/platform/drivers/ufsh    143 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/manufacturing_date
174 What:           /sys/bus/platform/devices/*.uf << 
175 Date:           February 2018                     144 Date:           February 2018
176 Contact:        Stanislav Nijnikov <stanislav.n    145 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
177 Description:    This file shows the manufactur    146 Description:    This file shows the manufacturing date in BCD format.
178                 This is one of the UFS device     147                 This is one of the UFS device descriptor parameters.
179                 The full information about the    148                 The full information about the descriptor could be found
180                 at UFS specifications 2.1.        149                 at UFS specifications 2.1.
181                                                << 
182                 The file is read only.            150                 The file is read only.
183                                                   151 
184 What:           /sys/bus/platform/drivers/ufsh    152 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/manufacturer_id
185 What:           /sys/bus/platform/devices/*.uf << 
186 Date:           February 2018                     153 Date:           February 2018
187 Contact:        Stanislav Nijnikov <stanislav.n    154 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
188 Description:    This file shows the manufactur !! 155 Description:    This file shows the manufacturee ID. This is one of the
189                 UFS device descriptor paramete    156                 UFS device descriptor parameters. The full information about
190                 the descriptor could be found     157                 the descriptor could be found at UFS specifications 2.1.
191                                                << 
192                 The file is read only.            158                 The file is read only.
193                                                   159 
194 What:           /sys/bus/platform/drivers/ufsh    160 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/rtt_capability
195 What:           /sys/bus/platform/devices/*.uf << 
196 Date:           February 2018                     161 Date:           February 2018
197 Contact:        Stanislav Nijnikov <stanislav.n    162 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
198 Description:    This file shows the maximum nu    163 Description:    This file shows the maximum number of outstanding RTTs
199                 supported by the device. This     164                 supported by the device. This is one of the UFS device
200                 descriptor parameters. The ful    165                 descriptor parameters. The full information about
201                 the descriptor could be found     166                 the descriptor could be found at UFS specifications 2.1.
202                                                << 
203                 The file is read only.            167                 The file is read only.
204                                                   168 
205 What:           /sys/bus/platform/drivers/ufsh    169 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/rtc_update
206 What:           /sys/bus/platform/devices/*.uf << 
207 Date:           February 2018                     170 Date:           February 2018
208 Contact:        Stanislav Nijnikov <stanislav.n    171 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
209 Description:    This file shows the frequency     172 Description:    This file shows the frequency and method of the realtime
210                 clock update. This is one of t    173                 clock update. This is one of the UFS device descriptor
211                 parameters. The full informati    174                 parameters. The full information about the descriptor
212                 could be found at UFS specific    175                 could be found at UFS specifications 2.1.
213                                                << 
214                 The file is read only.            176                 The file is read only.
215                                                   177 
216 What:           /sys/bus/platform/drivers/ufsh    178 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/ufs_features
217 What:           /sys/bus/platform/devices/*.uf << 
218 Date:           February 2018                     179 Date:           February 2018
219 Contact:        Stanislav Nijnikov <stanislav.n    180 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
220 Description:    This file shows which features    181 Description:    This file shows which features are supported by the device.
221                 This is one of the UFS device     182                 This is one of the UFS device descriptor parameters.
222                 The full information about the    183                 The full information about the descriptor could be
223                 found at UFS specifications 2.    184                 found at UFS specifications 2.1.
224                                                << 
225                 The file is read only.            185                 The file is read only.
226                                                   186 
227 What:           /sys/bus/platform/drivers/ufsh    187 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/ffu_timeout
228 What:           /sys/bus/platform/devices/*.uf << 
229 Date:           February 2018                     188 Date:           February 2018
230 Contact:        Stanislav Nijnikov <stanislav.n    189 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
231 Description:    This file shows the FFU timeou    190 Description:    This file shows the FFU timeout. This is one of the
232                 UFS device descriptor paramete    191                 UFS device descriptor parameters. The full information
233                 about the descriptor could be     192                 about the descriptor could be found at UFS specifications 2.1.
234                                                << 
235                 The file is read only.            193                 The file is read only.
236                                                   194 
237 What:           /sys/bus/platform/drivers/ufsh    195 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/queue_depth
238 What:           /sys/bus/platform/devices/*.uf << 
239 Date:           February 2018                     196 Date:           February 2018
240 Contact:        Stanislav Nijnikov <stanislav.n    197 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
241 Description:    This file shows the device que    198 Description:    This file shows the device queue depth. This is one of the
242                 UFS device descriptor paramete    199                 UFS device descriptor parameters. The full information
243                 about the descriptor could be     200                 about the descriptor could be found at UFS specifications 2.1.
244                                                << 
245                 The file is read only.            201                 The file is read only.
246                                                   202 
247 What:           /sys/bus/platform/drivers/ufsh    203 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_version
248 What:           /sys/bus/platform/devices/*.uf << 
249 Date:           February 2018                     204 Date:           February 2018
250 Contact:        Stanislav Nijnikov <stanislav.n    205 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
251 Description:    This file shows the device ver    206 Description:    This file shows the device version. This is one of the
252                 UFS device descriptor paramete    207                 UFS device descriptor parameters. The full information
253                 about the descriptor could be     208                 about the descriptor could be found at UFS specifications 2.1.
254                                                << 
255                 The file is read only.            209                 The file is read only.
256                                                   210 
257 What:           /sys/bus/platform/drivers/ufsh    211 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_secure_wpa
258 What:           /sys/bus/platform/devices/*.uf << 
259 Date:           February 2018                     212 Date:           February 2018
260 Contact:        Stanislav Nijnikov <stanislav.n    213 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
261 Description:    This file shows number of secu    214 Description:    This file shows number of secure write protect areas
262                 supported by the device. This     215                 supported by the device. This is one of the UFS device
263                 descriptor parameters. The ful    216                 descriptor parameters. The full information about
264                 the descriptor could be found     217                 the descriptor could be found at UFS specifications 2.1.
265                                                << 
266                 The file is read only.            218                 The file is read only.
267                                                   219 
268 What:           /sys/bus/platform/drivers/ufsh    220 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/psa_max_data_size
269 What:           /sys/bus/platform/devices/*.uf << 
270 Date:           February 2018                     221 Date:           February 2018
271 Contact:        Stanislav Nijnikov <stanislav.n    222 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
272 Description:    This file shows the maximum am    223 Description:    This file shows the maximum amount of data that may be
273                 written during the pre-solderi    224                 written during the pre-soldering phase of the PSA flow.
274                 This is one of the UFS device     225                 This is one of the UFS device descriptor parameters.
275                 The full information about the    226                 The full information about the descriptor could be found
276                 at UFS specifications 2.1.        227                 at UFS specifications 2.1.
277                                                << 
278                 The file is read only.            228                 The file is read only.
279                                                   229 
280 What:           /sys/bus/platform/drivers/ufsh    230 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/psa_state_timeout
281 What:           /sys/bus/platform/devices/*.uf << 
282 Date:           February 2018                     231 Date:           February 2018
283 Contact:        Stanislav Nijnikov <stanislav.n    232 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
284 Description:    This file shows the command ma    233 Description:    This file shows the command maximum timeout for a change
285                 in PSA state. This is one of t    234                 in PSA state. This is one of the UFS device descriptor
286                 parameters. The full informati    235                 parameters. The full information about the descriptor could
287                 be found at UFS specifications    236                 be found at UFS specifications 2.1.
288                                                << 
289                 The file is read only.            237                 The file is read only.
290                                                   238 
291                                                   239 
292 What:           /sys/bus/platform/drivers/ufsh    240 What:           /sys/bus/platform/drivers/ufshcd/*/interconnect_descriptor/unipro_version
293 What:           /sys/bus/platform/devices/*.uf << 
294 Date:           February 2018                     241 Date:           February 2018
295 Contact:        Stanislav Nijnikov <stanislav.n    242 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
296 Description:    This file shows the MIPI UniPr    243 Description:    This file shows the MIPI UniPro version number in BCD format.
297                 This is one of the UFS interco    244                 This is one of the UFS interconnect descriptor parameters.
298                 The full information about the    245                 The full information about the descriptor could be found at
299                 UFS specifications 2.1.           246                 UFS specifications 2.1.
300                                                << 
301                 The file is read only.            247                 The file is read only.
302                                                   248 
303 What:           /sys/bus/platform/drivers/ufsh    249 What:           /sys/bus/platform/drivers/ufshcd/*/interconnect_descriptor/mphy_version
304 What:           /sys/bus/platform/devices/*.uf << 
305 Date:           February 2018                     250 Date:           February 2018
306 Contact:        Stanislav Nijnikov <stanislav.n    251 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
307 Description:    This file shows the MIPI M-PHY    252 Description:    This file shows the MIPI M-PHY version number in BCD format.
308                 This is one of the UFS interco    253                 This is one of the UFS interconnect descriptor parameters.
309                 The full information about the    254                 The full information about the descriptor could be found at
310                 UFS specifications 2.1.           255                 UFS specifications 2.1.
311                                                << 
312                 The file is read only.            256                 The file is read only.
313                                                   257 
314                                                   258 
315 What:           /sys/bus/platform/drivers/ufsh    259 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/raw_device_capacity
316 What:           /sys/bus/platform/devices/*.uf << 
317 Date:           February 2018                     260 Date:           February 2018
318 Contact:        Stanislav Nijnikov <stanislav.n    261 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
319 Description:    This file shows the total memo    262 Description:    This file shows the total memory quantity available to
320                 the user to configure the devi    263                 the user to configure the device logical units. This is one
321                 of the UFS geometry descriptor    264                 of the UFS geometry descriptor parameters. The full
322                 information about the descript    265                 information about the descriptor could be found at
323                 UFS specifications 2.1.           266                 UFS specifications 2.1.
324                                                << 
325                 The file is read only.            267                 The file is read only.
326                                                   268 
327 What:           /sys/bus/platform/drivers/ufsh    269 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_luns
328 What:           /sys/bus/platform/devices/*.uf << 
329 Date:           February 2018                     270 Date:           February 2018
330 Contact:        Stanislav Nijnikov <stanislav.n    271 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
331 Description:    This file shows the maximum nu    272 Description:    This file shows the maximum number of logical units
332                 supported by the UFS device. T    273                 supported by the UFS device. This is one of the UFS
333                 geometry descriptor parameters    274                 geometry descriptor parameters. The full information about
334                 the descriptor could be found     275                 the descriptor could be found at UFS specifications 2.1.
335                                                << 
336                 The file is read only.            276                 The file is read only.
337                                                   277 
338 What:           /sys/bus/platform/drivers/ufsh    278 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/segment_size
339 What:           /sys/bus/platform/devices/*.uf << 
340 Date:           February 2018                     279 Date:           February 2018
341 Contact:        Stanislav Nijnikov <stanislav.n    280 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
342 Description:    This file shows the segment si    281 Description:    This file shows the segment size. This is one of the UFS
343                 geometry descriptor parameters    282                 geometry descriptor parameters. The full information about
344                 the descriptor could be found     283                 the descriptor could be found at UFS specifications 2.1.
345                                                << 
346                 The file is read only.            284                 The file is read only.
347                                                   285 
348 What:           /sys/bus/platform/drivers/ufsh    286 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/allocation_unit_size
349 What:           /sys/bus/platform/devices/*.uf << 
350 Date:           February 2018                     287 Date:           February 2018
351 Contact:        Stanislav Nijnikov <stanislav.n    288 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
352 Description:    This file shows the allocation    289 Description:    This file shows the allocation unit size. This is one of
353                 the UFS geometry descriptor pa    290                 the UFS geometry descriptor parameters. The full information
354                 about the descriptor could be     291                 about the descriptor could be found at UFS specifications 2.1.
355                                                << 
356                 The file is read only.            292                 The file is read only.
357                                                   293 
358 What:           /sys/bus/platform/drivers/ufsh    294 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/min_addressable_block_size
359 What:           /sys/bus/platform/devices/*.uf << 
360 Date:           February 2018                     295 Date:           February 2018
361 Contact:        Stanislav Nijnikov <stanislav.n    296 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
362 Description:    This file shows the minimum ad    297 Description:    This file shows the minimum addressable block size. This
363                 is one of the UFS geometry des    298                 is one of the UFS geometry descriptor parameters. The full
364                 information about the descript    299                 information about the descriptor could be found at UFS
365                 specifications 2.1.               300                 specifications 2.1.
366                                                << 
367                 The file is read only.            301                 The file is read only.
368                                                   302 
369 What:           /sys/bus/platform/drivers/ufsh    303 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_read_block_size
370 What:           /sys/bus/platform/devices/*.uf << 
371 Date:           February 2018                     304 Date:           February 2018
372 Contact:        Stanislav Nijnikov <stanislav.n    305 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
373 Description:    This file shows the optimal re    306 Description:    This file shows the optimal read block size. This is one
374                 of the UFS geometry descriptor    307                 of the UFS geometry descriptor parameters. The full
375                 information about the descript    308                 information about the descriptor could be found at UFS
376                 specifications 2.1.               309                 specifications 2.1.
377                                                << 
378                 The file is read only.            310                 The file is read only.
379                                                   311 
380 What:           /sys/bus/platform/drivers/ufsh    312 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_write_block_size
381 What:           /sys/bus/platform/devices/*.uf << 
382 Date:           February 2018                     313 Date:           February 2018
383 Contact:        Stanislav Nijnikov <stanislav.n    314 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
384 Description:    This file shows the optimal wr    315 Description:    This file shows the optimal write block size. This is one
385                 of the UFS geometry descriptor    316                 of the UFS geometry descriptor parameters. The full
386                 information about the descript    317                 information about the descriptor could be found at UFS
387                 specifications 2.1.               318                 specifications 2.1.
388                                                << 
389                 The file is read only.            319                 The file is read only.
390                                                   320 
391 What:           /sys/bus/platform/drivers/ufsh    321 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_in_buffer_size
392 What:           /sys/bus/platform/devices/*.uf << 
393 Date:           February 2018                     322 Date:           February 2018
394 Contact:        Stanislav Nijnikov <stanislav.n    323 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
395 Description:    This file shows the maximum da    324 Description:    This file shows the maximum data-in buffer size. This
396                 is one of the UFS geometry des    325                 is one of the UFS geometry descriptor parameters. The full
397                 information about the descript    326                 information about the descriptor could be found at UFS
398                 specifications 2.1.               327                 specifications 2.1.
399                                                << 
400                 The file is read only.            328                 The file is read only.
401                                                   329 
402 What:           /sys/bus/platform/drivers/ufsh    330 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_out_buffer_size
403 What:           /sys/bus/platform/devices/*.uf << 
404 Date:           February 2018                     331 Date:           February 2018
405 Contact:        Stanislav Nijnikov <stanislav.n    332 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
406 Description:    This file shows the maximum da    333 Description:    This file shows the maximum data-out buffer size. This
407                 is one of the UFS geometry des    334                 is one of the UFS geometry descriptor parameters. The full
408                 information about the descript    335                 information about the descriptor could be found at UFS
409                 specifications 2.1.               336                 specifications 2.1.
410                                                << 
411                 The file is read only.            337                 The file is read only.
412                                                   338 
413 What:           /sys/bus/platform/drivers/ufsh    339 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/rpmb_rw_size
414 What:           /sys/bus/platform/devices/*.uf << 
415 Date:           February 2018                     340 Date:           February 2018
416 Contact:        Stanislav Nijnikov <stanislav.n    341 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
417 Description:    This file shows the maximum nu    342 Description:    This file shows the maximum number of RPMB frames allowed
418                 in Security Protocol In/Out. T    343                 in Security Protocol In/Out. This is one of the UFS geometry
419                 descriptor parameters. The ful    344                 descriptor parameters. The full information about the
420                 descriptor could be found at U    345                 descriptor could be found at UFS specifications 2.1.
421                                                << 
422                 The file is read only.            346                 The file is read only.
423                                                   347 
424 What:           /sys/bus/platform/drivers/ufsh    348 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/dyn_capacity_resource_policy
425 What:           /sys/bus/platform/devices/*.uf << 
426 Date:           February 2018                     349 Date:           February 2018
427 Contact:        Stanislav Nijnikov <stanislav.n    350 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
428 Description:    This file shows the dynamic ca    351 Description:    This file shows the dynamic capacity resource policy. This
429                 is one of the UFS geometry des    352                 is one of the UFS geometry descriptor parameters. The full
430                 information about the descript    353                 information about the descriptor could be found at
431                 UFS specifications 2.1.           354                 UFS specifications 2.1.
432                                                << 
433                 The file is read only.            355                 The file is read only.
434                                                   356 
435 What:           /sys/bus/platform/drivers/ufsh    357 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/data_ordering
436 What:           /sys/bus/platform/devices/*.uf << 
437 Date:           February 2018                     358 Date:           February 2018
438 Contact:        Stanislav Nijnikov <stanislav.n    359 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
439 Description:    This file shows support for ou    360 Description:    This file shows support for out-of-order data transfer.
440                 This is one of the UFS geometr    361                 This is one of the UFS geometry descriptor parameters.
441                 The full information about the    362                 The full information about the descriptor could be found at
442                 UFS specifications 2.1.           363                 UFS specifications 2.1.
443                                                << 
444                 The file is read only.            364                 The file is read only.
445                                                   365 
446 What:           /sys/bus/platform/drivers/ufsh    366 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_contexts
447 What:           /sys/bus/platform/devices/*.uf << 
448 Date:           February 2018                     367 Date:           February 2018
449 Contact:        Stanislav Nijnikov <stanislav.n    368 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
450 Description:    This file shows maximum availa    369 Description:    This file shows maximum available number of contexts which
451                 are supported by the device. T    370                 are supported by the device. This is one of the UFS geometry
452                 descriptor parameters. The ful    371                 descriptor parameters. The full information about the
453                 descriptor could be found at U    372                 descriptor could be found at UFS specifications 2.1.
454                                                << 
455                 The file is read only.            373                 The file is read only.
456                                                   374 
457 What:           /sys/bus/platform/drivers/ufsh    375 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_unit_size
458 What:           /sys/bus/platform/devices/*.uf << 
459 Date:           February 2018                     376 Date:           February 2018
460 Contact:        Stanislav Nijnikov <stanislav.n    377 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
461 Description:    This file shows system data ta    378 Description:    This file shows system data tag unit size. This is one of
462                 the UFS geometry descriptor pa    379                 the UFS geometry descriptor parameters. The full information
463                 about the descriptor could be     380                 about the descriptor could be found at UFS specifications 2.1.
464                                                << 
465                 The file is read only.            381                 The file is read only.
466                                                   382 
467 What:           /sys/bus/platform/drivers/ufsh    383 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_resource_size
468 What:           /sys/bus/platform/devices/*.uf << 
469 Date:           February 2018                     384 Date:           February 2018
470 Contact:        Stanislav Nijnikov <stanislav.n    385 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
471 Description:    This file shows maximum storag    386 Description:    This file shows maximum storage area size allocated by
472                 the device to handle system da    387                 the device to handle system data by the tagging mechanism.
473                 This is one of the UFS geometr    388                 This is one of the UFS geometry descriptor parameters.
474                 The full information about the    389                 The full information about the descriptor could be found at
475                 UFS specifications 2.1.           390                 UFS specifications 2.1.
476                                                << 
477                 The file is read only.            391                 The file is read only.
478                                                   392 
479 What:           /sys/bus/platform/drivers/ufsh    393 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/secure_removal_types
480 What:           /sys/bus/platform/devices/*.uf << 
481 Date:           February 2018                     394 Date:           February 2018
482 Contact:        Stanislav Nijnikov <stanislav.n    395 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
483 Description:    This file shows supported secu    396 Description:    This file shows supported secure removal types. This is
484                 one of the UFS geometry descri    397                 one of the UFS geometry descriptor parameters. The full
485                 information about the descript    398                 information about the descriptor could be found at
486                 UFS specifications 2.1.           399                 UFS specifications 2.1.
487                                                << 
488                 The file is read only.            400                 The file is read only.
489                                                   401 
490 What:           /sys/bus/platform/drivers/ufsh    402 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/memory_types
491 What:           /sys/bus/platform/devices/*.uf << 
492 Date:           February 2018                     403 Date:           February 2018
493 Contact:        Stanislav Nijnikov <stanislav.n    404 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
494 Description:    This file shows supported memo    405 Description:    This file shows supported memory types. This is one of
495                 the UFS geometry descriptor pa    406                 the UFS geometry descriptor parameters. The full
496                 information about the descript    407                 information about the descriptor could be found at
497                 UFS specifications 2.1.           408                 UFS specifications 2.1.
498                                                << 
499                 The file is read only.            409                 The file is read only.
500                                                   410 
501 What:           /sys/bus/platform/drivers/ufsh    411 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_max_alloc_units
502 What:           /sys/bus/platform/devices/*.uf << 
503 Date:           February 2018                     412 Date:           February 2018
504 Contact:        Stanislav Nijnikov <stanislav.n    413 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
505 Description:    This file shows the maximum nu    414 Description:    This file shows the maximum number of allocation units for
506                 different memory types (system    415                 different memory types (system code, non persistent,
507                 enhanced type 1-4). This is on    416                 enhanced type 1-4). This is one of the UFS geometry
508                 descriptor parameters. The ful    417                 descriptor parameters. The full information about the
509                 descriptor could be found at U    418                 descriptor could be found at UFS specifications 2.1.
510                                                << 
511                 The file is read only.            419                 The file is read only.
512                                                   420 
513 What:           /sys/bus/platform/drivers/ufsh    421 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_capacity_adjustment_factor
514 What:           /sys/bus/platform/devices/*.uf << 
515 Date:           February 2018                     422 Date:           February 2018
516 Contact:        Stanislav Nijnikov <stanislav.n    423 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
517 Description:    This file shows the memory cap    424 Description:    This file shows the memory capacity adjustment factor for
518                 different memory types (system    425                 different memory types (system code, non persistent,
519                 enhanced type 1-4). This is on    426                 enhanced type 1-4). This is one of the UFS geometry
520                 descriptor parameters. The ful    427                 descriptor parameters. The full information about the
521                 descriptor could be found at U    428                 descriptor could be found at UFS specifications 2.1.
522                                                << 
523                 The file is read only.            429                 The file is read only.
524                                                   430 
525                                                   431 
526 What:           /sys/bus/platform/drivers/ufsh    432 What:           /sys/bus/platform/drivers/ufshcd/*/health_descriptor/eol_info
527 What:           /sys/bus/platform/devices/*.uf << 
528 Date:           February 2018                     433 Date:           February 2018
529 Contact:        Stanislav Nijnikov <stanislav.n    434 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
530 Description:    This file shows preend of life    435 Description:    This file shows preend of life information. This is one
531                 of the UFS health descriptor p    436                 of the UFS health descriptor parameters. The full
532                 information about the descript    437                 information about the descriptor could be found at
533                 UFS specifications 2.1.           438                 UFS specifications 2.1.
534                                                << 
535                 The file is read only.            439                 The file is read only.
536                                                   440 
537 What:           /sys/bus/platform/drivers/ufsh    441 What:           /sys/bus/platform/drivers/ufshcd/*/health_descriptor/life_time_estimation_a
538 What:           /sys/bus/platform/devices/*.uf << 
539 Date:           February 2018                     442 Date:           February 2018
540 Contact:        Stanislav Nijnikov <stanislav.n    443 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
541 Description:    This file shows indication of     444 Description:    This file shows indication of the device life time
542                 (method a). This is one of the    445                 (method a). This is one of the UFS health descriptor
543                 parameters. The full informati    446                 parameters. The full information about the descriptor
544                 could be found at UFS specific    447                 could be found at UFS specifications 2.1.
545                                                << 
546                 The file is read only.            448                 The file is read only.
547                                                   449 
548 What:           /sys/bus/platform/drivers/ufsh    450 What:           /sys/bus/platform/drivers/ufshcd/*/health_descriptor/life_time_estimation_b
549 What:           /sys/bus/platform/devices/*.uf << 
550 Date:           February 2018                     451 Date:           February 2018
551 Contact:        Stanislav Nijnikov <stanislav.n    452 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
552 Description:    This file shows indication of     453 Description:    This file shows indication of the device life time
553                 (method b). This is one of the    454                 (method b). This is one of the UFS health descriptor
554                 parameters. The full informati    455                 parameters. The full information about the descriptor
555                 could be found at UFS specific    456                 could be found at UFS specifications 2.1.
556                                                << 
557                 The file is read only.            457                 The file is read only.
558                                                   458 
559                                                   459 
560 What:           /sys/bus/platform/drivers/ufsh    460 What:           /sys/bus/platform/drivers/ufshcd/*/power_descriptor/active_icc_levels_vcc*
561 What:           /sys/bus/platform/devices/*.uf << 
562 Date:           February 2018                     461 Date:           February 2018
563 Contact:        Stanislav Nijnikov <stanislav.n    462 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
564 Description:    This file shows maximum VCC, V    463 Description:    This file shows maximum VCC, VCCQ and VCCQ2 value for
565                 active ICC levels from 0 to 15    464                 active ICC levels from 0 to 15. This is one of the UFS
566                 power descriptor parameters. T    465                 power descriptor parameters. The full information about
567                 the descriptor could be found     466                 the descriptor could be found at UFS specifications 2.1.
568                                                << 
569                 The file is read only.            467                 The file is read only.
570                                                   468 
571                                                   469 
572 What:           /sys/bus/platform/drivers/ufsh    470 What:           /sys/bus/platform/drivers/ufshcd/*/string_descriptors/manufacturer_name
573 What:           /sys/bus/platform/devices/*.uf << 
574 Date:           February 2018                     471 Date:           February 2018
575 Contact:        Stanislav Nijnikov <stanislav.n    472 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
576 Description:    This file contains a device ma !! 473 Description:    This file contains a device manufactureer name string.
577                 The full information about the    474                 The full information about the descriptor could be found at
578                 UFS specifications 2.1.           475                 UFS specifications 2.1.
579                                                << 
580                 The file is read only.            476                 The file is read only.
581                                                   477 
582 What:           /sys/bus/platform/drivers/ufsh    478 What:           /sys/bus/platform/drivers/ufshcd/*/string_descriptors/product_name
583 What:           /sys/bus/platform/devices/*.uf << 
584 Date:           February 2018                     479 Date:           February 2018
585 Contact:        Stanislav Nijnikov <stanislav.n    480 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
586 Description:    This file contains a product n    481 Description:    This file contains a product name string. The full information
587                 about the descriptor could be     482                 about the descriptor could be found at UFS specifications 2.1.
588                                                << 
589                 The file is read only.            483                 The file is read only.
590                                                   484 
591 What:           /sys/bus/platform/drivers/ufsh    485 What:           /sys/bus/platform/drivers/ufshcd/*/string_descriptors/oem_id
592 What:           /sys/bus/platform/devices/*.uf << 
593 Date:           February 2018                     486 Date:           February 2018
594 Contact:        Stanislav Nijnikov <stanislav.n    487 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
595 Description:    This file contains a OEM ID st    488 Description:    This file contains a OEM ID string. The full information
596                 about the descriptor could be     489                 about the descriptor could be found at UFS specifications 2.1.
597                                                << 
598                 The file is read only.            490                 The file is read only.
599                                                   491 
600 What:           /sys/bus/platform/drivers/ufsh    492 What:           /sys/bus/platform/drivers/ufshcd/*/string_descriptors/serial_number
601 What:           /sys/bus/platform/devices/*.uf << 
602 Date:           February 2018                     493 Date:           February 2018
603 Contact:        Stanislav Nijnikov <stanislav.n    494 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
604 Description:    This file contains a device se    495 Description:    This file contains a device serial number string. The full
605                 information about the descript    496                 information about the descriptor could be found at
606                 UFS specifications 2.1.           497                 UFS specifications 2.1.
607                                                << 
608                 The file is read only.            498                 The file is read only.
609                                                   499 
610 What:           /sys/bus/platform/drivers/ufsh    500 What:           /sys/bus/platform/drivers/ufshcd/*/string_descriptors/product_revision
611 What:           /sys/bus/platform/devices/*.uf << 
612 Date:           February 2018                     501 Date:           February 2018
613 Contact:        Stanislav Nijnikov <stanislav.n    502 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
614 Description:    This file contains a product r    503 Description:    This file contains a product revision string. The full
615                 information about the descript    504                 information about the descriptor could be found at
616                 UFS specifications 2.1.           505                 UFS specifications 2.1.
617                                                << 
618                 The file is read only.            506                 The file is read only.
619                                                   507 
620                                                   508 
621 What:           /sys/class/scsi_device/*/devic    509 What:           /sys/class/scsi_device/*/device/unit_descriptor/boot_lun_id
622 Date:           February 2018                     510 Date:           February 2018
623 Contact:        Stanislav Nijnikov <stanislav.n    511 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
624 Description:    This file shows boot LUN infor    512 Description:    This file shows boot LUN information. This is one of
625                 the UFS unit descriptor parame    513                 the UFS unit descriptor parameters. The full information
626                 about the descriptor could be     514                 about the descriptor could be found at UFS specifications 2.1.
627                                                << 
628                 The file is read only.            515                 The file is read only.
629                                                   516 
630 What:           /sys/class/scsi_device/*/devic    517 What:           /sys/class/scsi_device/*/device/unit_descriptor/lun_write_protect
631 Date:           February 2018                     518 Date:           February 2018
632 Contact:        Stanislav Nijnikov <stanislav.n    519 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
633 Description:    This file shows LUN write prot    520 Description:    This file shows LUN write protection status. This is one of
634                 the UFS unit descriptor parame    521                 the UFS unit descriptor parameters. The full information
635                 about the descriptor could be     522                 about the descriptor could be found at UFS specifications 2.1.
636                                                << 
637                 The file is read only.            523                 The file is read only.
638                                                   524 
639 What:           /sys/class/scsi_device/*/devic    525 What:           /sys/class/scsi_device/*/device/unit_descriptor/lun_queue_depth
640 Date:           February 2018                     526 Date:           February 2018
641 Contact:        Stanislav Nijnikov <stanislav.n    527 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
642 Description:    This file shows LUN queue dept    528 Description:    This file shows LUN queue depth. This is one of the UFS
643                 unit descriptor parameters. Th    529                 unit descriptor parameters. The full information about
644                 the descriptor could be found     530                 the descriptor could be found at UFS specifications 2.1.
645                                                << 
646                 The file is read only.            531                 The file is read only.
647                                                   532 
648 What:           /sys/class/scsi_device/*/devic    533 What:           /sys/class/scsi_device/*/device/unit_descriptor/psa_sensitive
649 Date:           February 2018                     534 Date:           February 2018
650 Contact:        Stanislav Nijnikov <stanislav.n    535 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
651 Description:    This file shows PSA sensitivit    536 Description:    This file shows PSA sensitivity. This is one of the UFS
652                 unit descriptor parameters. Th    537                 unit descriptor parameters. The full information about
653                 the descriptor could be found     538                 the descriptor could be found at UFS specifications 2.1.
654                                                << 
655                 The file is read only.            539                 The file is read only.
656                                                   540 
657 What:           /sys/class/scsi_device/*/devic    541 What:           /sys/class/scsi_device/*/device/unit_descriptor/lun_memory_type
658 Date:           February 2018                     542 Date:           February 2018
659 Contact:        Stanislav Nijnikov <stanislav.n    543 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
660 Description:    This file shows LUN memory typ    544 Description:    This file shows LUN memory type. This is one of the UFS
661                 unit descriptor parameters. Th    545                 unit descriptor parameters. The full information about
662                 the descriptor could be found     546                 the descriptor could be found at UFS specifications 2.1.
663                                                << 
664                 The file is read only.            547                 The file is read only.
665                                                   548 
666 What:           /sys/class/scsi_device/*/devic    549 What:           /sys/class/scsi_device/*/device/unit_descriptor/data_reliability
667 Date:           February 2018                     550 Date:           February 2018
668 Contact:        Stanislav Nijnikov <stanislav.n    551 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
669 Description:    This file defines the device b    552 Description:    This file defines the device behavior when a power failure
670                 occurs during a write operatio    553                 occurs during a write operation. This is one of the UFS
671                 unit descriptor parameters. Th    554                 unit descriptor parameters. The full information about
672                 the descriptor could be found     555                 the descriptor could be found at UFS specifications 2.1.
673                                                << 
674                 The file is read only.            556                 The file is read only.
675                                                   557 
676 What:           /sys/class/scsi_device/*/devic    558 What:           /sys/class/scsi_device/*/device/unit_descriptor/logical_block_size
677 Date:           February 2018                     559 Date:           February 2018
678 Contact:        Stanislav Nijnikov <stanislav.n    560 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
679 Description:    This file shows the size of ad    561 Description:    This file shows the size of addressable logical blocks
680                 (calculated as an exponent wit    562                 (calculated as an exponent with base 2). This is one of
681                 the UFS unit descriptor parame    563                 the UFS unit descriptor parameters. The full information about
682                 the descriptor could be found     564                 the descriptor could be found at UFS specifications 2.1.
683                                                << 
684                 The file is read only.            565                 The file is read only.
685                                                   566 
686 What:           /sys/class/scsi_device/*/devic    567 What:           /sys/class/scsi_device/*/device/unit_descriptor/logical_block_count
687 Date:           February 2018                     568 Date:           February 2018
688 Contact:        Stanislav Nijnikov <stanislav.n    569 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
689 Description:    This file shows total number o    570 Description:    This file shows total number of addressable logical blocks.
690                 This is one of the UFS unit de    571                 This is one of the UFS unit descriptor parameters. The full
691                 information about the descript    572                 information about the descriptor could be found at
692                 UFS specifications 2.1.           573                 UFS specifications 2.1.
693                                                << 
694                 The file is read only.            574                 The file is read only.
695                                                   575 
696 What:           /sys/class/scsi_device/*/devic    576 What:           /sys/class/scsi_device/*/device/unit_descriptor/erase_block_size
697 Date:           February 2018                     577 Date:           February 2018
698 Contact:        Stanislav Nijnikov <stanislav.n    578 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
699 Description:    This file shows the erase bloc    579 Description:    This file shows the erase block size. This is one of
700                 the UFS unit descriptor parame    580                 the UFS unit descriptor parameters. The full information
701                 about the descriptor could be     581                 about the descriptor could be found at UFS specifications 2.1.
702                                                << 
703                 The file is read only.            582                 The file is read only.
704                                                   583 
705 What:           /sys/class/scsi_device/*/devic    584 What:           /sys/class/scsi_device/*/device/unit_descriptor/provisioning_type
706 Date:           February 2018                     585 Date:           February 2018
707 Contact:        Stanislav Nijnikov <stanislav.n    586 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
708 Description:    This file shows the thin provi    587 Description:    This file shows the thin provisioning type. This is one of
709                 the UFS unit descriptor parame    588                 the UFS unit descriptor parameters. The full information
710                 about the descriptor could be     589                 about the descriptor could be found at UFS specifications 2.1.
711                                                << 
712                 The file is read only.            590                 The file is read only.
713                                                   591 
714 What:           /sys/class/scsi_device/*/devic    592 What:           /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
715 Date:           February 2018                     593 Date:           February 2018
716 Contact:        Stanislav Nijnikov <stanislav.n    594 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
717 Description:    This file shows the total phys    595 Description:    This file shows the total physical memory resources. This is
718                 one of the UFS unit descriptor    596                 one of the UFS unit descriptor parameters. The full information
719                 about the descriptor could be     597                 about the descriptor could be found at UFS specifications 2.1.
720                                                << 
721                 The file is read only.            598                 The file is read only.
722                                                   599 
723 What:           /sys/class/scsi_device/*/devic    600 What:           /sys/class/scsi_device/*/device/unit_descriptor/context_capabilities
724 Date:           February 2018                     601 Date:           February 2018
725 Contact:        Stanislav Nijnikov <stanislav.n    602 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
726 Description:    This file shows the context ca    603 Description:    This file shows the context capabilities. This is one of
727                 the UFS unit descriptor parame    604                 the UFS unit descriptor parameters. The full information
728                 about the descriptor could be     605                 about the descriptor could be found at UFS specifications 2.1.
729                                                << 
730                 The file is read only.            606                 The file is read only.
731                                                   607 
732 What:           /sys/class/scsi_device/*/devic    608 What:           /sys/class/scsi_device/*/device/unit_descriptor/large_unit_granularity
733 Date:           February 2018                     609 Date:           February 2018
734 Contact:        Stanislav Nijnikov <stanislav.n    610 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
735 Description:    This file shows the granularit    611 Description:    This file shows the granularity of the LUN. This is one of
736                 the UFS unit descriptor parame    612                 the UFS unit descriptor parameters. The full information
737                 about the descriptor could be     613                 about the descriptor could be found at UFS specifications 2.1.
738                                                << 
739                 The file is read only.            614                 The file is read only.
740                                                   615 
741                                                   616 
742 What:           /sys/bus/platform/drivers/ufsh    617 What:           /sys/bus/platform/drivers/ufshcd/*/flags/device_init
743 What:           /sys/bus/platform/devices/*.uf << 
744 Date:           February 2018                     618 Date:           February 2018
745 Contact:        Stanislav Nijnikov <stanislav.n    619 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
746 Description:    This file shows the device ini    620 Description:    This file shows the device init status. The full information
747                 about the flag could be found     621                 about the flag could be found at UFS specifications 2.1.
748                                                << 
749                 The file is read only.            622                 The file is read only.
750                                                   623 
751 What:           /sys/bus/platform/drivers/ufsh    624 What:           /sys/bus/platform/drivers/ufshcd/*/flags/permanent_wpe
752 What:           /sys/bus/platform/devices/*.uf << 
753 Date:           February 2018                     625 Date:           February 2018
754 Contact:        Stanislav Nijnikov <stanislav.n    626 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
755 Description:    This file shows whether perman    627 Description:    This file shows whether permanent write protection is enabled.
756                 The full information about the    628                 The full information about the flag could be found at
757                 UFS specifications 2.1.           629                 UFS specifications 2.1.
758                                                << 
759                 The file is read only.            630                 The file is read only.
760                                                   631 
761 What:           /sys/bus/platform/drivers/ufsh    632 What:           /sys/bus/platform/drivers/ufshcd/*/flags/power_on_wpe
762 What:           /sys/bus/platform/devices/*.uf << 
763 Date:           February 2018                     633 Date:           February 2018
764 Contact:        Stanislav Nijnikov <stanislav.n    634 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
765 Description:    This file shows whether write     635 Description:    This file shows whether write protection is enabled on all
766                 logical units configured as po    636                 logical units configured as power on write protected. The
767                 full information about the fla    637                 full information about the flag could be found at
768                 UFS specifications 2.1.           638                 UFS specifications 2.1.
769                                                << 
770                 The file is read only.            639                 The file is read only.
771                                                   640 
772 What:           /sys/bus/platform/drivers/ufsh    641 What:           /sys/bus/platform/drivers/ufshcd/*/flags/bkops_enable
773 What:           /sys/bus/platform/devices/*.uf << 
774 Date:           February 2018                     642 Date:           February 2018
775 Contact:        Stanislav Nijnikov <stanislav.n    643 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
776 Description:    This file shows whether the de    644 Description:    This file shows whether the device background operations are
777                 enabled. The full information     645                 enabled. The full information about the flag could be
778                 found at UFS specifications 2.    646                 found at UFS specifications 2.1.
779                                                << 
780                 The file is read only.            647                 The file is read only.
781                                                   648 
782 What:           /sys/bus/platform/drivers/ufsh    649 What:           /sys/bus/platform/drivers/ufshcd/*/flags/life_span_mode_enable
783 What:           /sys/bus/platform/devices/*.uf << 
784 Date:           February 2018                     650 Date:           February 2018
785 Contact:        Stanislav Nijnikov <stanislav.n    651 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
786 Description:    This file shows whether the de    652 Description:    This file shows whether the device life span mode is enabled.
787                 The full information about the    653                 The full information about the flag could be found at
788                 UFS specifications 2.1.           654                 UFS specifications 2.1.
789                                                << 
790                 The file is read only.            655                 The file is read only.
791                                                   656 
792 What:           /sys/bus/platform/drivers/ufsh    657 What:           /sys/bus/platform/drivers/ufshcd/*/flags/phy_resource_removal
793 What:           /sys/bus/platform/devices/*.uf << 
794 Date:           February 2018                     658 Date:           February 2018
795 Contact:        Stanislav Nijnikov <stanislav.n    659 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
796 Description:    This file shows whether physic    660 Description:    This file shows whether physical resource removal is enable.
797                 The full information about the    661                 The full information about the flag could be found at
798                 UFS specifications 2.1.           662                 UFS specifications 2.1.
799                                                << 
800                 The file is read only.            663                 The file is read only.
801                                                   664 
802 What:           /sys/bus/platform/drivers/ufsh    665 What:           /sys/bus/platform/drivers/ufshcd/*/flags/busy_rtc
803 What:           /sys/bus/platform/devices/*.uf << 
804 Date:           February 2018                     666 Date:           February 2018
805 Contact:        Stanislav Nijnikov <stanislav.n    667 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
806 Description:    This file shows whether the de    668 Description:    This file shows whether the device is executing internal
807                 operation related to real time    669                 operation related to real time clock. The full information
808                 about the flag could be found     670                 about the flag could be found at UFS specifications 2.1.
809                                                << 
810                 The file is read only.            671                 The file is read only.
811                                                   672 
812 What:           /sys/bus/platform/drivers/ufsh    673 What:           /sys/bus/platform/drivers/ufshcd/*/flags/disable_fw_update
813 What:           /sys/bus/platform/devices/*.uf << 
814 Date:           February 2018                     674 Date:           February 2018
815 Contact:        Stanislav Nijnikov <stanislav.n    675 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
816 Description:    This file shows whether the de    676 Description:    This file shows whether the device FW update is permanently
817                 disabled. The full information    677                 disabled. The full information about the flag could be found
818                 at UFS specifications 2.1.        678                 at UFS specifications 2.1.
819                                                << 
820                 The file is read only.            679                 The file is read only.
821                                                   680 
822                                                   681 
823 What:           /sys/bus/platform/drivers/ufsh    682 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/boot_lun_enabled
824 What:           /sys/bus/platform/devices/*.uf << 
825 Date:           February 2018                     683 Date:           February 2018
826 Contact:        Stanislav Nijnikov <stanislav.n    684 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
827 Description:    This file provides the boot lu    685 Description:    This file provides the boot lun enabled UFS device attribute.
828                 The full information about the    686                 The full information about the attribute could be found at
829                 UFS specifications 2.1.           687                 UFS specifications 2.1.
830                                                << 
831                 The file is read only.            688                 The file is read only.
832                                                   689 
833 What:           /sys/bus/platform/drivers/ufsh    690 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/current_power_mode
834 What:           /sys/bus/platform/devices/*.uf << 
835 Date:           February 2018                     691 Date:           February 2018
836 Contact:        Stanislav Nijnikov <stanislav.n    692 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
837 Description:    This file provides the current    693 Description:    This file provides the current power mode UFS device attribute.
838                 The full information about the    694                 The full information about the attribute could be found at
839                 UFS specifications 2.1.           695                 UFS specifications 2.1.
840                                                << 
841                 The file is read only.            696                 The file is read only.
842                                                   697 
843 What:           /sys/bus/platform/drivers/ufsh    698 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/active_icc_level
844 What:           /sys/bus/platform/devices/*.uf << 
845 Date:           February 2018                     699 Date:           February 2018
846 Contact:        Stanislav Nijnikov <stanislav.n    700 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
847 Description:    This file provides the active     701 Description:    This file provides the active icc level UFS device attribute.
848                 The full information about the    702                 The full information about the attribute could be found at
849                 UFS specifications 2.1.           703                 UFS specifications 2.1.
850                                                << 
851                 The file is read only.            704                 The file is read only.
852                                                   705 
853 What:           /sys/bus/platform/drivers/ufsh    706 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/ooo_data_enabled
854 What:           /sys/bus/platform/devices/*.uf << 
855 Date:           February 2018                     707 Date:           February 2018
856 Contact:        Stanislav Nijnikov <stanislav.n    708 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
857 Description:    This file provides the out of     709 Description:    This file provides the out of order data transfer enabled UFS
858                 device attribute. The full inf    710                 device attribute. The full information about the attribute
859                 could be found at UFS specific    711                 could be found at UFS specifications 2.1.
860                                                << 
861                 The file is read only.            712                 The file is read only.
862                                                   713 
863 What:           /sys/bus/platform/drivers/ufsh    714 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/bkops_status
864 What:           /sys/bus/platform/devices/*.uf << 
865 Date:           February 2018                     715 Date:           February 2018
866 Contact:        Stanislav Nijnikov <stanislav.n    716 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
867 Description:    This file provides the backgro    717 Description:    This file provides the background operations status UFS device
868                 attribute. The full informatio    718                 attribute. The full information about the attribute could
869                 be found at UFS specifications    719                 be found at UFS specifications 2.1.
870                                                << 
871                 The file is read only.            720                 The file is read only.
872                                                   721 
873 What:           /sys/bus/platform/drivers/ufsh    722 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/purge_status
874 What:           /sys/bus/platform/devices/*.uf << 
875 Date:           February 2018                     723 Date:           February 2018
876 Contact:        Stanislav Nijnikov <stanislav.n    724 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
877 Description:    This file provides the purge o    725 Description:    This file provides the purge operation status UFS device
878                 attribute. The full informatio    726                 attribute. The full information about the attribute could
879                 be found at UFS specifications    727                 be found at UFS specifications 2.1.
880                                                << 
881                 The file is read only.            728                 The file is read only.
882                                                   729 
883 What:           /sys/bus/platform/drivers/ufsh    730 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/max_data_in_size
884 What:           /sys/bus/platform/devices/*.uf << 
885 Date:           February 2018                     731 Date:           February 2018
886 Contact:        Stanislav Nijnikov <stanislav.n    732 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
887 Description:    This file shows the maximum da    733 Description:    This file shows the maximum data size in a DATA IN
888                 UPIU. The full information abo    734                 UPIU. The full information about the attribute could
889                 be found at UFS specifications    735                 be found at UFS specifications 2.1.
890                                                << 
891                 The file is read only.            736                 The file is read only.
892                                                   737 
893 What:           /sys/bus/platform/drivers/ufsh    738 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/max_data_out_size
894 What:           /sys/bus/platform/devices/*.uf << 
895 Date:           February 2018                     739 Date:           February 2018
896 Contact:        Stanislav Nijnikov <stanislav.n    740 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
897 Description:    This file shows the maximum nu    741 Description:    This file shows the maximum number of bytes that can be
898                 requested with a READY TO TRAN    742                 requested with a READY TO TRANSFER UPIU. The full information
899                 about the attribute could be f    743                 about the attribute could be found at UFS specifications 2.1.
900                                                << 
901                 The file is read only.            744                 The file is read only.
902                                                   745 
903 What:           /sys/bus/platform/drivers/ufsh    746 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/reference_clock_frequency
904 What:           /sys/bus/platform/devices/*.uf << 
905 Date:           February 2018                     747 Date:           February 2018
906 Contact:        Stanislav Nijnikov <stanislav.n    748 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
907 Description:    This file provides the referen    749 Description:    This file provides the reference clock frequency UFS device
908                 attribute. The full informatio    750                 attribute. The full information about the attribute could
909                 be found at UFS specifications    751                 be found at UFS specifications 2.1.
910                                                << 
911                 The file is read only.            752                 The file is read only.
912                                                   753 
913 What:           /sys/bus/platform/drivers/ufsh    754 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/configuration_descriptor_lock
914 What:           /sys/bus/platform/devices/*.uf << 
915 Date:           February 2018                     755 Date:           February 2018
916 Contact:        Stanislav Nijnikov <stanislav.n    756 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
917 Description:    This file shows whether the co    757 Description:    This file shows whether the configuration descriptor is locked.
918                 The full information about the    758                 The full information about the attribute could be found at
919                 UFS specifications 2.1. The fi    759                 UFS specifications 2.1. The file is read only.
920                                                   760 
921 What:           /sys/bus/platform/drivers/ufsh    761 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/max_number_of_rtt
922 What:           /sys/bus/platform/devices/*.uf !! 762 Date:           February 2018
923 Date:           May 2024                       !! 763 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
924 Contact:        Avri Altman <avri.altman@wdc.co << 
925 Description:    This file provides the maximum    764 Description:    This file provides the maximum current number of
926                 outstanding RTTs in device tha !! 765                 outstanding RTTs in device that is allowed. The full
927                 read-write persistent attribut !! 766                 information about the attribute could be found at
928                 manufacturing. It shall not be !! 767                 UFS specifications 2.1.
929                 bDeviceRTTCap value, and it ma !! 768                 The file is read only.
930                 empty.                         << 
931                                                << 
932                 The file is read write.        << 
933                                                   769 
934 What:           /sys/bus/platform/drivers/ufsh    770 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/exception_event_control
935 What:           /sys/bus/platform/devices/*.uf << 
936 Date:           February 2018                     771 Date:           February 2018
937 Contact:        Stanislav Nijnikov <stanislav.n    772 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
938 Description:    This file provides the excepti    773 Description:    This file provides the exception event control UFS device
939                 attribute. The full informatio    774                 attribute. The full information about the attribute could
940                 be found at UFS specifications    775                 be found at UFS specifications 2.1.
941                                                << 
942                 The file is read only.            776                 The file is read only.
943                                                   777 
944 What:           /sys/bus/platform/drivers/ufsh    778 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/exception_event_status
945 What:           /sys/bus/platform/devices/*.uf << 
946 Date:           February 2018                     779 Date:           February 2018
947 Contact:        Stanislav Nijnikov <stanislav.n    780 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
948 Description:    This file provides the excepti    781 Description:    This file provides the exception event status UFS device
949                 attribute. The full informatio    782                 attribute. The full information about the attribute could
950                 be found at UFS specifications    783                 be found at UFS specifications 2.1.
951                                                << 
952                 The file is read only.            784                 The file is read only.
953                                                   785 
954 What:           /sys/bus/platform/drivers/ufsh    786 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/ffu_status
955 What:           /sys/bus/platform/devices/*.uf << 
956 Date:           February 2018                     787 Date:           February 2018
957 Contact:        Stanislav Nijnikov <stanislav.n    788 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
958 Description:    This file provides the ffu sta    789 Description:    This file provides the ffu status UFS device attribute.
959                 The full information about the    790                 The full information about the attribute could be found at
960                 UFS specifications 2.1.           791                 UFS specifications 2.1.
961                                                << 
962                 The file is read only.            792                 The file is read only.
963                                                   793 
964 What:           /sys/bus/platform/drivers/ufsh    794 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/psa_state
965 What:           /sys/bus/platform/devices/*.uf << 
966 Date:           February 2018                     795 Date:           February 2018
967 Contact:        Stanislav Nijnikov <stanislav.n    796 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
968 Description:    This file show the PSA feature    797 Description:    This file show the PSA feature status. The full information
969                 about the attribute could be f    798                 about the attribute could be found at UFS specifications 2.1.
970                                                << 
971                 The file is read only.            799                 The file is read only.
972                                                   800 
973 What:           /sys/bus/platform/drivers/ufsh    801 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/psa_data_size
974 What:           /sys/bus/platform/devices/*.uf << 
975 Date:           February 2018                     802 Date:           February 2018
976 Contact:        Stanislav Nijnikov <stanislav.n    803 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
977 Description:    This file shows the amount of     804 Description:    This file shows the amount of data that the host plans to
978                 load to all logical units in p    805                 load to all logical units in pre-soldering state.
979                 The full information about the    806                 The full information about the attribute could be found at
980                 UFS specifications 2.1.           807                 UFS specifications 2.1.
981                                                << 
982                 The file is read only.            808                 The file is read only.
983                                                   809 
984                                                   810 
985 What:           /sys/class/scsi_device/*/devic    811 What:           /sys/class/scsi_device/*/device/dyn_cap_needed
986 Date:           February 2018                     812 Date:           February 2018
987 Contact:        Stanislav Nijnikov <stanislav.n    813 Contact:        Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
988 Description:    This file shows the amount of  !! 814 Description:    This file shows the The amount of physical memory needed
989                 to be removed from the physica    815                 to be removed from the physical memory resources pool of
990                 the particular logical unit. T    816                 the particular logical unit. The full information about
991                 the attribute could be found a    817                 the attribute could be found at UFS specifications 2.1.
992                                                << 
993                 The file is read only.            818                 The file is read only.
994                                                   819 
995                                                   820 
996 What:           /sys/bus/platform/drivers/ufsh    821 What:           /sys/bus/platform/drivers/ufshcd/*/rpm_lvl
997 What:           /sys/bus/platform/devices/*.uf << 
998 Date:           September 2014                    822 Date:           September 2014
999 Contact:        Can Guo <quic_cang@quicinc.com> !! 823 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1000 Description:    This entry could be used to s    824 Description:    This entry could be used to set or show the UFS device
1001                 runtime power management leve    825                 runtime power management level. The current driver
1002                 implementation supports 7 lev !! 826                 implementation supports 6 levels with next target states:
1003                                               !! 827                 0 - an UFS device will stay active, an UIC link will
1004                 ==  ========================= !! 828                 stay active
1005                 0   UFS device will stay acti !! 829                 1 - an UFS device will stay active, an UIC link will
1006                     stay active               !! 830                 hibernate
1007                 1   UFS device will stay acti !! 831                 2 - an UFS device will moved to sleep, an UIC link will
1008                     hibernate                 !! 832                 stay active
1009                 2   UFS device will be moved  !! 833                 3 - an UFS device will moved to sleep, an UIC link will
1010                     stay active               !! 834                 hibernate
1011                 3   UFS device will be moved  !! 835                 4 - an UFS device will be powered off, an UIC link will
1012                     hibernate                 !! 836                 hibernate
1013                 4   UFS device will be powere !! 837                 5 - an UFS device will be powered off, an UIC link will
1014                     hibernate                 !! 838                 be powered off
1015                 5   UFS device will be powere << 
1016                     be powered off            << 
1017                 6   UFS device will be moved  << 
1018                     will be powered off. Note << 
1019                     supported in which case t << 
1020                     accepted                  << 
1021                 ==  ========================= << 
1022                                                  839 
1023 What:           /sys/bus/platform/drivers/ufs    840 What:           /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state
1024 What:           /sys/bus/platform/devices/*.u << 
1025 Date:           February 2018                    841 Date:           February 2018
1026 Contact:        Can Guo <quic_cang@quicinc.com !! 842 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1027 Description:    This entry shows the target p    843 Description:    This entry shows the target power mode of an UFS device
1028                 for the chosen runtime power     844                 for the chosen runtime power management level.
1029                                               << 
1030                 The file is read only.           845                 The file is read only.
1031                                                  846 
1032 What:           /sys/bus/platform/drivers/ufs    847 What:           /sys/bus/platform/drivers/ufshcd/*/rpm_target_link_state
1033 What:           /sys/bus/platform/devices/*.u << 
1034 Date:           February 2018                    848 Date:           February 2018
1035 Contact:        Can Guo <quic_cang@quicinc.com !! 849 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1036 Description:    This entry shows the target s    850 Description:    This entry shows the target state of an UFS UIC link
1037                 for the chosen runtime power     851                 for the chosen runtime power management level.
1038                                               << 
1039                 The file is read only.           852                 The file is read only.
1040                                                  853 
1041 What:           /sys/bus/platform/drivers/ufs    854 What:           /sys/bus/platform/drivers/ufshcd/*/spm_lvl
1042 What:           /sys/bus/platform/devices/*.u << 
1043 Date:           September 2014                   855 Date:           September 2014
1044 Contact:        Can Guo <quic_cang@quicinc.com !! 856 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1045 Description:    This entry could be used to s    857 Description:    This entry could be used to set or show the UFS device
1046                 system power management level    858                 system power management level. The current driver
1047                 implementation supports 7 lev !! 859                 implementation supports 6 levels with next target states:
1048                                               !! 860                 0 - an UFS device will stay active, an UIC link will
1049                 ==  ========================= !! 861                 stay active
1050                 0   UFS device will stay acti !! 862                 1 - an UFS device will stay active, an UIC link will
1051                     stay active               !! 863                 hibernate
1052                 1   UFS device will stay acti !! 864                 2 - an UFS device will moved to sleep, an UIC link will
1053                     hibernate                 !! 865                 stay active
1054                 2   UFS device will be moved  !! 866                 3 - an UFS device will moved to sleep, an UIC link will
1055                     stay active               !! 867                 hibernate
1056                 3   UFS device will be moved  !! 868                 4 - an UFS device will be powered off, an UIC link will
1057                     hibernate                 !! 869                 hibernate
1058                 4   UFS device will be powere !! 870                 5 - an UFS device will be powered off, an UIC link will
1059                     hibernate                 !! 871                 be powered off
1060                 5   UFS device will be powere << 
1061                     be powered off            << 
1062                 6   UFS device will be moved  << 
1063                     will be powered off. Note << 
1064                     supported in which case t << 
1065                     accepted                  << 
1066                 ==  ========================= << 
1067                                                  872 
1068 What:           /sys/bus/platform/drivers/ufs    873 What:           /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state
1069 What:           /sys/bus/platform/devices/*.u << 
1070 Date:           February 2018                    874 Date:           February 2018
1071 Contact:        Can Guo <quic_cang@quicinc.com !! 875 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1072 Description:    This entry shows the target p    876 Description:    This entry shows the target power mode of an UFS device
1073                 for the chosen system power m    877                 for the chosen system power management level.
1074                                               << 
1075                 The file is read only.           878                 The file is read only.
1076                                                  879 
1077 What:           /sys/bus/platform/drivers/ufs    880 What:           /sys/bus/platform/drivers/ufshcd/*/spm_target_link_state
1078 What:           /sys/bus/platform/devices/*.u << 
1079 Date:           February 2018                    881 Date:           February 2018
1080 Contact:        Can Guo <quic_cang@quicinc.com !! 882 Contact:        Subhash Jadavani <subhashj@codeaurora.org>
1081 Description:    This entry shows the target s    883 Description:    This entry shows the target state of an UFS UIC link
1082                 for the chosen system power m    884                 for the chosen system power management level.
1083                                               << 
1084                 The file is read only.        << 
1085                                               << 
1086 What:           /sys/bus/platform/drivers/ufs << 
1087 What:           /sys/bus/platform/devices/*.u << 
1088 Date:           January 2021                  << 
1089 Contact:        Can Guo <quic_cang@quicinc.com << 
1090 Description:    This file shows the status of << 
1091                 and it can be used to start/s << 
1092                 is stopped, the performance d << 
1093                                               << 
1094 What:           /sys/bus/platform/drivers/ufs << 
1095 What:           /sys/bus/platform/devices/*.u << 
1096 Date:           January 2021                  << 
1097 Contact:        Can Guo <quic_cang@quicinc.com << 
1098 Description:    This file tells the monitor t << 
1099                 data of specific chunk size ( << 
1100                 It can only be changed when m << 
1101                                               << 
1102 What:           /sys/bus/platform/drivers/ufs << 
1103 What:           /sys/bus/platform/devices/*.u << 
1104 Date:           January 2021                  << 
1105 Contact:        Can Guo <quic_cang@quicinc.com << 
1106 Description:    This file shows how many sect << 
1107                 sent from device to host afte << 
1108                                               << 
1109                 The file is read only.        << 
1110                                               << 
1111 What:           /sys/bus/platform/drivers/ufs << 
1112 What:           /sys/bus/platform/devices/*.u << 
1113 Date:           January 2021                  << 
1114 Contact:        Can Guo <quic_cang@quicinc.com << 
1115 Description:    This file shows how long (in  << 
1116                 sending data from device to h << 
1117                                               << 
1118                 The file is read only.        << 
1119                                               << 
1120 What:           /sys/bus/platform/drivers/ufs << 
1121 What:           /sys/bus/platform/devices/*.u << 
1122 Date:           January 2021                  << 
1123 Contact:        Can Guo <quic_cang@quicinc.com << 
1124 Description:    This file shows how many read << 
1125                 monitor gets started.         << 
1126                                               << 
1127                 The file is read only.        << 
1128                                               << 
1129 What:           /sys/bus/platform/drivers/ufs << 
1130 What:           /sys/bus/platform/devices/*.u << 
1131 Date:           January 2021                  << 
1132 Contact:        Can Guo <quic_cang@quicinc.com << 
1133 Description:    This file shows the maximum l << 
1134                 read requests after monitor g << 
1135                                               << 
1136                 The file is read only.        << 
1137                                               << 
1138 What:           /sys/bus/platform/drivers/ufs << 
1139 What:           /sys/bus/platform/devices/*.u << 
1140 Date:           January 2021                  << 
1141 Contact:        Can Guo <quic_cang@quicinc.com << 
1142 Description:    This file shows the minimum l << 
1143                 read requests after monitor g << 
1144                                               << 
1145                 The file is read only.        << 
1146                                               << 
1147 What:           /sys/bus/platform/drivers/ufs << 
1148 What:           /sys/bus/platform/devices/*.u << 
1149 Date:           January 2021                  << 
1150 Contact:        Can Guo <quic_cang@quicinc.com << 
1151 Description:    This file shows the average l << 
1152                 read requests after monitor g << 
1153                                               << 
1154                 The file is read only.        << 
1155                                               << 
1156 What:           /sys/bus/platform/drivers/ufs << 
1157 What:           /sys/bus/platform/devices/*.u << 
1158 Date:           January 2021                  << 
1159 Contact:        Can Guo <quic_cang@quicinc.com << 
1160 Description:    This file shows the total lat << 
1161                 read requests sent after moni << 
1162                                               << 
1163                 The file is read only.        << 
1164                                               << 
1165 What:           /sys/bus/platform/drivers/ufs << 
1166 What:           /sys/bus/platform/devices/*.u << 
1167 Date:           January 2021                  << 
1168 Contact:        Can Guo <quic_cang@quicinc.com << 
1169 Description:    This file shows how many sect << 
1170                 from host to device after mon << 
1171                                               << 
1172                 The file is read only.        << 
1173                                               << 
1174 What:           /sys/bus/platform/drivers/ufs << 
1175 What:           /sys/bus/platform/devices/*.u << 
1176 Date:           January 2021                  << 
1177 Contact:        Can Guo <quic_cang@quicinc.com << 
1178 Description:    This file shows how long (in  << 
1179                 sending data from host to dev << 
1180                                               << 
1181                 The file is read only.        << 
1182                                               << 
1183 What:           /sys/bus/platform/drivers/ufs << 
1184 What:           /sys/bus/platform/devices/*.u << 
1185 Date:           January 2021                  << 
1186 Contact:        Can Guo <quic_cang@quicinc.com << 
1187 Description:    This file shows how many writ << 
1188                 monitor gets started.         << 
1189                                               << 
1190                 The file is read only.        << 
1191                                               << 
1192 What:           /sys/bus/platform/drivers/ufs << 
1193 What:           /sys/bus/platform/devices/*.u << 
1194 Date:           January 2021                  << 
1195 Contact:        Can Guo <quic_cang@quicinc.com << 
1196 Description:    This file shows the maximum l << 
1197                 requests after monitor gets s << 
1198                                               << 
1199                 The file is read only.        << 
1200                                               << 
1201 What:           /sys/bus/platform/drivers/ufs << 
1202 What:           /sys/bus/platform/devices/*.u << 
1203 Date:           January 2021                  << 
1204 Contact:        Can Guo <quic_cang@quicinc.com << 
1205 Description:    This file shows the minimum l << 
1206                 requests after monitor gets s << 
1207                                               << 
1208                 The file is read only.        << 
1209                                               << 
1210 What:           /sys/bus/platform/drivers/ufs << 
1211 What:           /sys/bus/platform/devices/*.u << 
1212 Date:           January 2021                  << 
1213 Contact:        Can Guo <quic_cang@quicinc.com << 
1214 Description:    This file shows the average l << 
1215                 requests after monitor gets s << 
1216                                               << 
1217                 The file is read only.        << 
1218                                               << 
1219 What:           /sys/bus/platform/drivers/ufs << 
1220 What:           /sys/bus/platform/devices/*.u << 
1221 Date:           January 2021                  << 
1222 Contact:        Can Guo <quic_cang@quicinc.com << 
1223 Description:    This file shows the total lat << 
1224                 requests after monitor gets s << 
1225                                               << 
1226                 The file is read only.        << 
1227                                               << 
1228 What:           /sys/bus/platform/drivers/ufs << 
1229 What:           /sys/bus/platform/devices/*.u << 
1230 Date:           September 2023                << 
1231 Contact:        Can Guo <quic_cang@quicinc.com << 
1232 Description:    This file shows how many lane << 
1233                 i.e., an output 2 means UFS l << 
1234                                               << 
1235                 The file is read only.        << 
1236                                               << 
1237 What:           /sys/bus/platform/drivers/ufs << 
1238 What:           /sys/bus/platform/devices/*.u << 
1239 Date:           September 2023                << 
1240 Contact:        Can Guo <quic_cang@quicinc.com << 
1241 Description:    This file shows the PA power  << 
1242                                               << 
1243                 The file is read only.        << 
1244                                               << 
1245 What:           /sys/bus/platform/drivers/ufs << 
1246 What:           /sys/bus/platform/devices/*.u << 
1247 Date:           September 2023                << 
1248 Contact:        Can Guo <quic_cang@quicinc.com << 
1249 Description:    This file shows the speed rat << 
1250                                               << 
1251                 The file is read only.        << 
1252                                               << 
1253 What:           /sys/bus/platform/drivers/ufs << 
1254 What:           /sys/bus/platform/devices/*.u << 
1255 Date:           September 2023                << 
1256 Contact:        Can Guo <quic_cang@quicinc.com << 
1257 Description:    This file shows the gear of U << 
1258                                               << 
1259                 The file is read only.        << 
1260                                               << 
1261 What:           /sys/bus/platform/drivers/ufs << 
1262 What:           /sys/bus/platform/devices/*.u << 
1263 Date:           September 2023                << 
1264 Contact:        Can Guo <quic_cang@quicinc.com << 
1265 Description:    This file shows the UFS devic << 
1266                                               << 
1267                 The file is read only.        << 
1268                                               << 
1269 What:           /sys/bus/platform/drivers/ufs << 
1270 What:           /sys/bus/platform/devices/*.u << 
1271 Date:           September 2023                << 
1272 Contact:        Can Guo <quic_cang@quicinc.com << 
1273 Description:    This file shows the state of  << 
1274                                               << 
1275                 The file is read only.           885                 The file is read only.
1276                                                  886 
1277 What:           /sys/bus/platform/drivers/ufs    887 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en
1278 What:           /sys/bus/platform/devices/*.u << 
1279 Date:           June 2020                        888 Date:           June 2020
1280 Contact:        Asutosh Das <quic_asutoshd@qui !! 889 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1281 Description:    This entry shows if preserve     890 Description:    This entry shows if preserve user-space was configured
1282                                               << 
1283                 The file is read only.           891                 The file is read only.
1284                                                  892 
1285 What:           /sys/bus/platform/drivers/ufs    893 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_shared_alloc_units
1286 What:           /sys/bus/platform/devices/*.u << 
1287 Date:           June 2020                        894 Date:           June 2020
1288 Contact:        Asutosh Das <quic_asutoshd@qui !! 895 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1289 Description:    This entry shows the shared a    896 Description:    This entry shows the shared allocated units of WB buffer
1290                                               << 
1291                 The file is read only.           897                 The file is read only.
1292                                                  898 
1293 What:           /sys/bus/platform/drivers/ufs    899 What:           /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_type
1294 What:           /sys/bus/platform/devices/*.u << 
1295 Date:           June 2020                        900 Date:           June 2020
1296 Contact:        Asutosh Das <quic_asutoshd@qui !! 901 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1297 Description:    This entry shows the configur    902 Description:    This entry shows the configured WB type.
1298                 0x1 for shared buffer mode. 0    903                 0x1 for shared buffer mode. 0x0 for dedicated buffer mode.
1299                                               << 
1300                 The file is read only.           904                 The file is read only.
1301                                                  905 
1302 What:           /sys/bus/platform/drivers/ufs    906 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_buff_cap_adj
1303 What:           /sys/bus/platform/devices/*.u << 
1304 Date:           June 2020                        907 Date:           June 2020
1305 Contact:        Asutosh Das <quic_asutoshd@qui !! 908 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1306 Description:    This entry shows the total us    909 Description:    This entry shows the total user-space decrease in shared
1307                 buffer mode.                     910                 buffer mode.
1308                 The value of this parameter i    911                 The value of this parameter is 3 for TLC NAND when SLC mode
1309                 is used as WriteBooster Buffe    912                 is used as WriteBooster Buffer. 2 for MLC NAND.
1310                                               << 
1311                 The file is read only.           913                 The file is read only.
1312                                                  914 
1313 What:           /sys/bus/platform/drivers/ufs    915 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_alloc_units
1314 What:           /sys/bus/platform/devices/*.u << 
1315 Date:           June 2020                        916 Date:           June 2020
1316 Contact:        Asutosh Das <quic_asutoshd@qui !! 917 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1317 Description:    This entry shows the Maximum     918 Description:    This entry shows the Maximum total WriteBooster Buffer size
1318                 which is supported by the ent    919                 which is supported by the entire device.
1319                                               << 
1320                 The file is read only.           920                 The file is read only.
1321                                                  921 
1322 What:           /sys/bus/platform/drivers/ufs    922 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_wb_luns
1323 What:           /sys/bus/platform/devices/*.u << 
1324 Date:           June 2020                        923 Date:           June 2020
1325 Contact:        Asutosh Das <quic_asutoshd@qui !! 924 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1326 Description:    This entry shows the maximum     925 Description:    This entry shows the maximum number of luns that can support
1327                 WriteBooster.                    926                 WriteBooster.
1328                                               << 
1329                 The file is read only.           927                 The file is read only.
1330                                                  928 
1331 What:           /sys/bus/platform/drivers/ufs    929 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_red_type
1332 What:           /sys/bus/platform/devices/*.u << 
1333 Date:           June 2020                        930 Date:           June 2020
1334 Contact:        Asutosh Das <quic_asutoshd@qui !! 931 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1335 Description:    The supportability of user sp    932 Description:    The supportability of user space reduction mode
1336                 and preserve user space mode.    933                 and preserve user space mode.
1337                 00h: WriteBooster Buffer can     934                 00h: WriteBooster Buffer can be configured only in
1338                 user space reduction type.       935                 user space reduction type.
1339                 01h: WriteBooster Buffer can     936                 01h: WriteBooster Buffer can be configured only in
1340                 preserve user space type.        937                 preserve user space type.
1341                 02h: Device can be configured    938                 02h: Device can be configured in either user space
1342                 reduction type or preserve us    939                 reduction type or preserve user space type.
1343                                               << 
1344                 The file is read only.           940                 The file is read only.
1345                                                  941 
1346 What:           /sys/bus/platform/drivers/ufs    942 What:           /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_wb_type
1347 What:           /sys/bus/platform/devices/*.u << 
1348 Date:           June 2020                        943 Date:           June 2020
1349 Contact:        Asutosh Das <quic_asutoshd@qui !! 944 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1350 Description:    The supportability of WriteBo    945 Description:    The supportability of WriteBooster Buffer type.
1351                                               !! 946                 00h: LU based WriteBooster Buffer configuration
1352                 ===  ======================== !! 947                 01h: Single shared WriteBooster Buffer
1353                 00h  LU based WriteBooster Bu !! 948                 configuration
1354                 01h  Single shared WriteBoost !! 949                 02h: Supporting both LU based WriteBooster
1355                 02h  Supporting both LU based !! 950                 Buffer and Single shared WriteBooster Buffer
1356                      Buffer and Single shared !! 951                 configuration
1357                 ===  ======================== << 
1358                                               << 
1359                 The file is read only.           952                 The file is read only.
1360                                                  953 
1361 What:           /sys/bus/platform/drivers/ufs    954 What:           /sys/bus/platform/drivers/ufshcd/*/flags/wb_enable
1362 What:           /sys/bus/platform/devices/*.u << 
1363 Date:           June 2020                        955 Date:           June 2020
1364 Contact:        Asutosh Das <quic_asutoshd@qui !! 956 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1365 Description:    This entry shows the status o    957 Description:    This entry shows the status of WriteBooster.
1366                                               !! 958                 0: WriteBooster is not enabled.
1367                 == ========================== !! 959                 1: WriteBooster is enabled
1368                 0  WriteBooster is not enable << 
1369                 1  WriteBooster is enabled    << 
1370                 == ========================== << 
1371                                               << 
1372                 The file is read only.           960                 The file is read only.
1373                                                  961 
1374 What:           /sys/bus/platform/drivers/ufs    962 What:           /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_en
1375 What:           /sys/bus/platform/devices/*.u << 
1376 Date:           June 2020                        963 Date:           June 2020
1377 Contact:        Asutosh Das <quic_asutoshd@qui !! 964 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1378 Description:    This entry shows if flush is     965 Description:    This entry shows if flush is enabled.
1379                                               !! 966                 0: Flush operation is not performed.
1380                 == ========================== !! 967                 1: Flush operation is performed.
1381                 0  Flush operation is not per << 
1382                 1  Flush operation is perform << 
1383                 == ========================== << 
1384                                               << 
1385                 The file is read only.           968                 The file is read only.
1386                                                  969 
1387 What:           /sys/bus/platform/drivers/ufs    970 What:           /sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_during_h8
1388 What:           /sys/bus/platform/devices/*.u << 
1389 Date:           June 2020                        971 Date:           June 2020
1390 Contact:        Asutosh Das <quic_asutoshd@qui !! 972 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1391 Description:    Flush WriteBooster Buffer dur    973 Description:    Flush WriteBooster Buffer during hibernate state.
1392                                               !! 974                 0: Device is not allowed to flush the
1393                 == ========================== !! 975                 WriteBooster Buffer during link hibernate
1394                 0  Device is not allowed to f !! 976                 state.
1395                    WriteBooster Buffer during !! 977                 1: Device is allowed to flush the
1396                 1  Device is allowed to flush !! 978                 WriteBooster Buffer during link hibernate
1397                    WriteBooster Buffer during !! 979                 state
1398                 == ========================== << 
1399                                               << 
1400                 The file is read only.           980                 The file is read only.
1401                                                  981 
1402 What:           /sys/bus/platform/drivers/ufs    982 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/wb_avail_buf
1403 What:           /sys/bus/platform/devices/*.u << 
1404 Date:           June 2020                        983 Date:           June 2020
1405 Contact:        Asutosh Das <quic_asutoshd@qui !! 984 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1406 Description:    This entry shows the amount o    985 Description:    This entry shows the amount of unused WriteBooster buffer
1407                 available.                       986                 available.
1408                                               << 
1409                 The file is read only.           987                 The file is read only.
1410                                                  988 
1411 What:           /sys/bus/platform/drivers/ufs    989 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/wb_cur_buf
1412 What:           /sys/bus/platform/devices/*.u << 
1413 Date:           June 2020                        990 Date:           June 2020
1414 Contact:        Asutosh Das <quic_asutoshd@qui !! 991 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1415 Description:    This entry shows the amount o    992 Description:    This entry shows the amount of unused current buffer.
1416                                               << 
1417                 The file is read only.           993                 The file is read only.
1418                                                  994 
1419 What:           /sys/bus/platform/drivers/ufs    995 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/wb_flush_status
1420 What:           /sys/bus/platform/devices/*.u << 
1421 Date:           June 2020                        996 Date:           June 2020
1422 Contact:        Asutosh Das <quic_asutoshd@qui !! 997 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1423 Description:    This entry shows the flush op    998 Description:    This entry shows the flush operation status.
1424                                               !! 999                 00h: idle
1425                                               !! 1000                 01h: Flush operation in progress
1426                 ===  ======================== !! 1001                 02h: Flush operation stopped prematurely.
1427                 00h  idle                     !! 1002                 03h: Flush operation completed successfully
1428                 01h  Flush operation in progr !! 1003                 04h: Flush operation general failure
1429                 02h  Flush operation stopped  << 
1430                 03h  Flush operation complete << 
1431                 04h  Flush operation general  << 
1432                 ===  ======================== << 
1433                                               << 
1434                 The file is read only.           1004                 The file is read only.
1435                                                  1005 
1436 What:           /sys/bus/platform/drivers/ufs    1006 What:           /sys/bus/platform/drivers/ufshcd/*/attributes/wb_life_time_est
1437 What:           /sys/bus/platform/devices/*.u << 
1438 Date:           June 2020                        1007 Date:           June 2020
1439 Contact:        Asutosh Das <quic_asutoshd@qui !! 1008 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1440 Description:    This entry shows an indicatio    1009 Description:    This entry shows an indication of the WriteBooster Buffer
1441                 lifetime based on the amount     1010                 lifetime based on the amount of performed program/erase cycles
1442                                               !! 1011                 01h: 0% - 10% WriteBooster Buffer life time used
1443                 ===  ======================== << 
1444                 01h  0% - 10% WriteBooster Bu << 
1445                 ...                              1012                 ...
1446                 0Ah  90% - 100% WriteBooster  !! 1013                 0Ah: 90% - 100% WriteBooster Buffer life time used
1447                 ===  ======================== << 
1448                                               << 
1449                 The file is read only.           1014                 The file is read only.
1450                                                  1015 
1451 What:           /sys/class/scsi_device/*/devi    1016 What:           /sys/class/scsi_device/*/device/unit_descriptor/wb_buf_alloc_units
1452 Date:           June 2020                        1017 Date:           June 2020
1453 Contact:        Asutosh Das <quic_asutoshd@qui !! 1018 Contact:        Asutosh Das <asutoshd@codeaurora.org>
1454 Description:    This entry shows the configur    1019 Description:    This entry shows the configured size of WriteBooster buffer.
1455                 0400h corresponds to 4GB.        1020                 0400h corresponds to 4GB.
1456                                               << 
1457                 The file is read only.        << 
1458                                               << 
1459 What:           /sys/bus/platform/drivers/ufs << 
1460 What:           /sys/bus/platform/devices/*.u << 
1461 Date:           January 2021                  << 
1462 Contact:        Bean Huo <beanhuo@micron.com>  << 
1463 Description:    This node is used to set or d << 
1464                 enabled. Echo 0 to this file  << 
1465                 enable it. The WriteBooster i << 
1466                 however, it will be disabled/ << 
1467                 (if the platform supports UFS << 
1468                 platform that doesn't support << 
1469                 disable/enable WriteBooster t << 
1470                                               << 
1471 What:           /sys/bus/platform/drivers/ufs << 
1472 What:           /sys/bus/platform/devices/*.u << 
1473 Date:           July 2022                     << 
1474 Contact:        Jinyoung Choi <j-young.choi@sa << 
1475 Description:    This entry shows the status o << 
1476                 and it can be used to enable  << 
1477                 If flushing is enabled, the d << 
1478                 operation when the command qu << 
1479                                               << 
1480 What:           /sys/bus/platform/drivers/ufs << 
1481 What:           /sys/bus/platform/devices/*.u << 
1482 Date:           June 2023                     << 
1483 Contact:        Lu Hongfei <luhongfei@vivo.com << 
1484 Description:                                  << 
1485                 wb_flush_threshold represents << 
1486                 whose value expressed in unit << 
1487                 '2' representing 20%, and so  << 
1488                 If avail_wb_buff < wb_flush_t << 
1489                 be flushed, otherwise it is n << 
1490                                               << 
1491 Contact:        Daniil Lunev <dlunev@chromium. << 
1492 What:           /sys/bus/platform/drivers/ufs << 
1493 What:           /sys/bus/platform/devices/*.u << 
1494 Date:           August 2022                   << 
1495 Description:    The group represents the effe << 
1496                 host-device pair. i.e. the ca << 
1497                 driver for the specific host  << 
1498                 controller and are supported  << 
1499                 configuration on the device s << 
1500                                               << 
1501 Contact:        Daniil Lunev <dlunev@chromium. << 
1502 What:           /sys/bus/platform/drivers/ufs << 
1503 What:           /sys/bus/platform/devices/*.u << 
1504 Date:           August 2022                   << 
1505 Contact:        Daniil Lunev <dlunev@chromium. << 
1506 Description:    Indicates status of clock sca << 
1507                                               << 
1508                 == ========================== << 
1509                 0  Clock scaling is not suppo << 
1510                 1  Clock scaling is supported << 
1511                 == ========================== << 
1512                                               << 
1513                 The file is read only.        << 
1514                                               << 
1515 What:           /sys/bus/platform/drivers/ufs << 
1516 What:           /sys/bus/platform/devices/*.u << 
1517 Date:           August 2022                   << 
1518 Contact:        Daniil Lunev <dlunev@chromium. << 
1519 Description:    Indicates status of Write Boo << 
1520                                               << 
1521                 == ========================== << 
1522                 0  Write Booster can not be e << 
1523                 1  Write Booster can be enabl << 
1524                 == ========================== << 
1525                                               << 
1526                 The file is read only.        << 
1527                                               << 
1528 What:           /sys/bus/platform/drivers/ufs << 
1529 What:           /sys/bus/platform/devices/*.u << 
1530 Date:           November 2023                 << 
1531 Contact:        Bean Huo <beanhuo@micron.com>  << 
1532 Description:                                  << 
1533                 rtc_update_ms indicates how o << 
1534                 UFS RTC. If set to 0, this wi << 
1535                                               << 
1536 What:           /sys/devices/platform/.../ufs << 
1537 Date:           August 2024                   << 
1538 Contact:        Avri Altman <avri.altman@wdc.c << 
1539 Description:                                  << 
1540                 Host Capabilities register gr << 
1541                 Symbol - VER.  This file show << 
1542                 Example: Version 3.12 would b << 
1543                 The file is read only.        << 
1544                                               << 
1545 What:           /sys/devices/platform/.../ufs << 
1546 Date:           August 2024                   << 
1547 Contact:        Avri Altman <avri.altman@wdc.c << 
1548 Description:                                  << 
1549                 Host Capabilities register gr << 
1550                 Symbol - HCPID.  This file sh << 
1551                 The content of this register  << 
1552                 The file is read only.        << 
1553                                               << 
1554 What:           /sys/devices/platform/.../ufs << 
1555 Date:           August 2024                   << 
1556 Contact:        Avri Altman <avri.altman@wdc.c << 
1557 Description:                                  << 
1558                 Host Capabilities register gr << 
1559                 Symbol - HCMID. This file sho << 
1560                 The Manufacturer ID is define << 
1561                 The file is read only.           1021                 The file is read only.
                                                      

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