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