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