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

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Diff markup

Differences between /Documentation/ABI/testing/sysfs-driver-ufs (Version linux-6.12-rc7) and /Documentation/ABI/testing/sysfs-driver-ufs (Version linux-3.10.108)


  1 What:           /sys/bus/*/drivers/ufshcd/*/au    
  2 Date:           March 2018                        
  3 Contact:        linux-scsi@vger.kernel.org        
  4 Description:                                      
  5                 This file contains the auto-hi    
  6                 UFS host controller. A value o    
  7                 enabled. Otherwise the value i    
  8                 idle time before the UFS host     
  9                 the link into hibernate state.    
 10                 expense of increased latency.     
 11                 10-bit values with a power-of-    
 12                 maximum value of 102300000. Re    
 13                 Interface specification for mo    
 14                                                   
 15 What:           /sys/bus/platform/drivers/ufsh    
 16 What:           /sys/bus/platform/devices/*.uf    
 17 Date:           February 2018                     
 18 Contact:        Stanislav Nijnikov <stanislav.n    
 19 Description:    This file shows the device typ    
 20                 device descriptor parameters.     
 21                 the descriptor could be found     
 22                                                   
 23                 The file is read only.            
 24                                                   
 25 What:           /sys/bus/platform/drivers/ufsh    
 26 What:           /sys/bus/platform/devices/*.uf    
 27 Date:           February 2018                     
 28 Contact:        Stanislav Nijnikov <stanislav.n    
 29 Description:    This file shows the device cla    
 30                 device descriptor parameters.     
 31                 the descriptor could be found     
 32                                                   
 33                 The file is read only.            
 34                                                   
 35 What:           /sys/bus/platform/drivers/ufsh    
 36 What:           /sys/bus/platform/devices/*.uf    
 37 Date:           February 2018                     
 38 Contact:        Stanislav Nijnikov <stanislav.n    
 39 Description:    This file shows the UFS storag    
 40                 the UFS device descriptor para    
 41                 about the descriptor could be     
 42                                                   
 43                 The file is read only.            
 44                                                   
 45 What:           /sys/bus/platform/drivers/ufsh    
 46 What:           /sys/bus/platform/devices/*.uf    
 47 Date:           February 2018                     
 48 Contact:        Stanislav Nijnikov <stanislav.n    
 49 Description:    This file shows the protocol s    
 50                 This is one of the UFS device     
 51                 The full information about the    
 52                 at UFS specifications 2.1.        
 53                                                   
 54                 The file is read only.            
 55                                                   
 56 What:           /sys/bus/platform/drivers/ufsh    
 57 What:           /sys/bus/platform/devices/*.uf    
 58 Date:           February 2018                     
 59 Contact:        Stanislav Nijnikov <stanislav.n    
 60 Description:    This file shows number of logi    
 61                 the UFS device descriptor para    
 62                 about the descriptor could be     
 63                                                   
 64                 The file is read only.            
 65                                                   
 66 What:           /sys/bus/platform/drivers/ufsh    
 67 What:           /sys/bus/platform/devices/*.uf    
 68 Date:           February 2018                     
 69 Contact:        Stanislav Nijnikov <stanislav.n    
 70 Description:    This file shows number of well    
 71                 This is one of the UFS device     
 72                 The full information about the    
 73                 at UFS specifications 2.1.        
 74                                                   
 75                 The file is read only.            
 76                                                   
 77 What:           /sys/bus/platform/drivers/ufsh    
 78 What:           /sys/bus/platform/devices/*.uf    
 79 Date:           February 2018                     
 80 Contact:        Stanislav Nijnikov <stanislav.n    
 81 Description:    This file shows value that ind    
 82                 enabled for boot. This is one     
 83                 parameters. The full informati    
 84                 be found at UFS specifications    
 85                                                   
 86                 The file is read only.            
 87                                                   
 88 What:           /sys/bus/platform/drivers/ufsh    
 89 What:           /sys/bus/platform/devices/*.uf    
 90 Date:           February 2018                     
 91 Contact:        Stanislav Nijnikov <stanislav.n    
 92 Description:    This file shows value that ind    
 93                 descriptor could be read after    
 94                 of the boot sequence. This is     
 95                 parameters. The full informati    
 96                 be found at UFS specifications    
 97                                                   
 98                 The file is read only.            
 99                                                   
100 What:           /sys/bus/platform/drivers/ufsh    
101 What:           /sys/bus/platform/devices/*.uf    
102 Date:           February 2018                     
103 Contact:        Stanislav Nijnikov <stanislav.n    
104 Description:    This file shows value that def    
105                 device initialization or hardw    
106                 the UFS device descriptor para    
107                 about the descriptor could be     
108                                                   
109                 The file is read only.            
110                                                   
111 What:           /sys/bus/platform/drivers/ufsh    
112 What:           /sys/bus/platform/devices/*.uf    
113 Date:           February 2018                     
114 Contact:        Stanislav Nijnikov <stanislav.n    
115 Description:    This file shows the high prior    
116                 the UFS device descriptor para    
117                 about the descriptor could be     
118                                                   
119                 The file is read only.            
120                                                   
121 What:           /sys/bus/platform/drivers/ufsh    
122 What:           /sys/bus/platform/devices/*.uf    
123 Date:           February 2018                     
124 Contact:        Stanislav Nijnikov <stanislav.n    
125 Description:    This file shows the secure rem    
126                 the UFS device descriptor para    
127                 about the descriptor could be     
128                                                   
129                 The file is read only.            
130                                                   
131 What:           /sys/bus/platform/drivers/ufsh    
132 What:           /sys/bus/platform/devices/*.uf    
133 Date:           February 2018                     
134 Contact:        Stanislav Nijnikov <stanislav.n    
135 Description:    This file shows whether the se    
136                 This is one of the UFS device     
137                 The full information about the    
138                 at UFS specifications 2.1.        
139                                                   
140                 The file is read only.            
141                                                   
142 What:           /sys/bus/platform/drivers/ufsh    
143 What:           /sys/bus/platform/devices/*.uf    
144 Date:           February 2018                     
145 Contact:        Stanislav Nijnikov <stanislav.n    
146 Description:    This file shows the background    
147                 latency. This is one of the UF    
148                 The full information about the    
149                 at UFS specifications 2.1.        
150                                                   
151                 The file is read only.            
152                                                   
153 What:           /sys/bus/platform/drivers/ufsh    
154 What:           /sys/bus/platform/devices/*.uf    
155 Date:           February 2018                     
156 Contact:        Stanislav Nijnikov <stanislav.n    
157 Description:    This file shows the initial ac    
158                 of the UFS device descriptor p    
159                 about the descriptor could be     
160                                                   
161                 The file is read only.            
162                                                   
163 What:           /sys/bus/platform/drivers/ufsh    
164 What:           /sys/bus/platform/devices/*.uf    
165 Date:           February 2018                     
166 Contact:        Stanislav Nijnikov <stanislav.n    
167 Description:    This file shows the specificat    
168                 of the UFS device descriptor p    
169                 about the descriptor could be     
170                                                   
171                 The file is read only.            
172                                                   
173 What:           /sys/bus/platform/drivers/ufsh    
174 What:           /sys/bus/platform/devices/*.uf    
175 Date:           February 2018                     
176 Contact:        Stanislav Nijnikov <stanislav.n    
177 Description:    This file shows the manufactur    
178                 This is one of the UFS device     
179                 The full information about the    
180                 at UFS specifications 2.1.        
181                                                   
182                 The file is read only.            
183                                                   
184 What:           /sys/bus/platform/drivers/ufsh    
185 What:           /sys/bus/platform/devices/*.uf    
186 Date:           February 2018                     
187 Contact:        Stanislav Nijnikov <stanislav.n    
188 Description:    This file shows the manufactur    
189                 UFS device descriptor paramete    
190                 the descriptor could be found     
191                                                   
192                 The file is read only.            
193                                                   
194 What:           /sys/bus/platform/drivers/ufsh    
195 What:           /sys/bus/platform/devices/*.uf    
196 Date:           February 2018                     
197 Contact:        Stanislav Nijnikov <stanislav.n    
198 Description:    This file shows the maximum nu    
199                 supported by the device. This     
200                 descriptor parameters. The ful    
201                 the descriptor could be found     
202                                                   
203                 The file is read only.            
204                                                   
205 What:           /sys/bus/platform/drivers/ufsh    
206 What:           /sys/bus/platform/devices/*.uf    
207 Date:           February 2018                     
208 Contact:        Stanislav Nijnikov <stanislav.n    
209 Description:    This file shows the frequency     
210                 clock update. This is one of t    
211                 parameters. The full informati    
212                 could be found at UFS specific    
213                                                   
214                 The file is read only.            
215                                                   
216 What:           /sys/bus/platform/drivers/ufsh    
217 What:           /sys/bus/platform/devices/*.uf    
218 Date:           February 2018                     
219 Contact:        Stanislav Nijnikov <stanislav.n    
220 Description:    This file shows which features    
221                 This is one of the UFS device     
222                 The full information about the    
223                 found at UFS specifications 2.    
224                                                   
225                 The file is read only.            
226                                                   
227 What:           /sys/bus/platform/drivers/ufsh    
228 What:           /sys/bus/platform/devices/*.uf    
229 Date:           February 2018                     
230 Contact:        Stanislav Nijnikov <stanislav.n    
231 Description:    This file shows the FFU timeou    
232                 UFS device descriptor paramete    
233                 about the descriptor could be     
234                                                   
235                 The file is read only.            
236                                                   
237 What:           /sys/bus/platform/drivers/ufsh    
238 What:           /sys/bus/platform/devices/*.uf    
239 Date:           February 2018                     
240 Contact:        Stanislav Nijnikov <stanislav.n    
241 Description:    This file shows the device que    
242                 UFS device descriptor paramete    
243                 about the descriptor could be     
244                                                   
245                 The file is read only.            
246                                                   
247 What:           /sys/bus/platform/drivers/ufsh    
248 What:           /sys/bus/platform/devices/*.uf    
249 Date:           February 2018                     
250 Contact:        Stanislav Nijnikov <stanislav.n    
251 Description:    This file shows the device ver    
252                 UFS device descriptor paramete    
253                 about the descriptor could be     
254                                                   
255                 The file is read only.            
256                                                   
257 What:           /sys/bus/platform/drivers/ufsh    
258 What:           /sys/bus/platform/devices/*.uf    
259 Date:           February 2018                     
260 Contact:        Stanislav Nijnikov <stanislav.n    
261 Description:    This file shows number of secu    
262                 supported by the device. This     
263                 descriptor parameters. The ful    
264                 the descriptor could be found     
265                                                   
266                 The file is read only.            
267                                                   
268 What:           /sys/bus/platform/drivers/ufsh    
269 What:           /sys/bus/platform/devices/*.uf    
270 Date:           February 2018                     
271 Contact:        Stanislav Nijnikov <stanislav.n    
272 Description:    This file shows the maximum am    
273                 written during the pre-solderi    
274                 This is one of the UFS device     
275                 The full information about the    
276                 at UFS specifications 2.1.        
277                                                   
278                 The file is read only.            
279                                                   
280 What:           /sys/bus/platform/drivers/ufsh    
281 What:           /sys/bus/platform/devices/*.uf    
282 Date:           February 2018                     
283 Contact:        Stanislav Nijnikov <stanislav.n    
284 Description:    This file shows the command ma    
285                 in PSA state. This is one of t    
286                 parameters. The full informati    
287                 be found at UFS specifications    
288                                                   
289                 The file is read only.            
290                                                   
291                                                   
292 What:           /sys/bus/platform/drivers/ufsh    
293 What:           /sys/bus/platform/devices/*.uf    
294 Date:           February 2018                     
295 Contact:        Stanislav Nijnikov <stanislav.n    
296 Description:    This file shows the MIPI UniPr    
297                 This is one of the UFS interco    
298                 The full information about the    
299                 UFS specifications 2.1.           
300                                                   
301                 The file is read only.            
302                                                   
303 What:           /sys/bus/platform/drivers/ufsh    
304 What:           /sys/bus/platform/devices/*.uf    
305 Date:           February 2018                     
306 Contact:        Stanislav Nijnikov <stanislav.n    
307 Description:    This file shows the MIPI M-PHY    
308                 This is one of the UFS interco    
309                 The full information about the    
310                 UFS specifications 2.1.           
311                                                   
312                 The file is read only.            
313                                                   
314                                                   
315 What:           /sys/bus/platform/drivers/ufsh    
316 What:           /sys/bus/platform/devices/*.uf    
317 Date:           February 2018                     
318 Contact:        Stanislav Nijnikov <stanislav.n    
319 Description:    This file shows the total memo    
320                 the user to configure the devi    
321                 of the UFS geometry descriptor    
322                 information about the descript    
323                 UFS specifications 2.1.           
324                                                   
325                 The file is read only.            
326                                                   
327 What:           /sys/bus/platform/drivers/ufsh    
328 What:           /sys/bus/platform/devices/*.uf    
329 Date:           February 2018                     
330 Contact:        Stanislav Nijnikov <stanislav.n    
331 Description:    This file shows the maximum nu    
332                 supported by the UFS device. T    
333                 geometry descriptor parameters    
334                 the descriptor could be found     
335                                                   
336                 The file is read only.            
337                                                   
338 What:           /sys/bus/platform/drivers/ufsh    
339 What:           /sys/bus/platform/devices/*.uf    
340 Date:           February 2018                     
341 Contact:        Stanislav Nijnikov <stanislav.n    
342 Description:    This file shows the segment si    
343                 geometry descriptor parameters    
344                 the descriptor could be found     
345                                                   
346                 The file is read only.            
347                                                   
348 What:           /sys/bus/platform/drivers/ufsh    
349 What:           /sys/bus/platform/devices/*.uf    
350 Date:           February 2018                     
351 Contact:        Stanislav Nijnikov <stanislav.n    
352 Description:    This file shows the allocation    
353                 the UFS geometry descriptor pa    
354                 about the descriptor could be     
355                                                   
356                 The file is read only.            
357                                                   
358 What:           /sys/bus/platform/drivers/ufsh    
359 What:           /sys/bus/platform/devices/*.uf    
360 Date:           February 2018                     
361 Contact:        Stanislav Nijnikov <stanislav.n    
362 Description:    This file shows the minimum ad    
363                 is one of the UFS geometry des    
364                 information about the descript    
365                 specifications 2.1.               
366                                                   
367                 The file is read only.            
368                                                   
369 What:           /sys/bus/platform/drivers/ufsh    
370 What:           /sys/bus/platform/devices/*.uf    
371 Date:           February 2018                     
372 Contact:        Stanislav Nijnikov <stanislav.n    
373 Description:    This file shows the optimal re    
374                 of the UFS geometry descriptor    
375                 information about the descript    
376                 specifications 2.1.               
377                                                   
378                 The file is read only.            
379                                                   
380 What:           /sys/bus/platform/drivers/ufsh    
381 What:           /sys/bus/platform/devices/*.uf    
382 Date:           February 2018                     
383 Contact:        Stanislav Nijnikov <stanislav.n    
384 Description:    This file shows the optimal wr    
385                 of the UFS geometry descriptor    
386                 information about the descript    
387                 specifications 2.1.               
388                                                   
389                 The file is read only.            
390                                                   
391 What:           /sys/bus/platform/drivers/ufsh    
392 What:           /sys/bus/platform/devices/*.uf    
393 Date:           February 2018                     
394 Contact:        Stanislav Nijnikov <stanislav.n    
395 Description:    This file shows the maximum da    
396                 is one of the UFS geometry des    
397                 information about the descript    
398                 specifications 2.1.               
399                                                   
400                 The file is read only.            
401                                                   
402 What:           /sys/bus/platform/drivers/ufsh    
403 What:           /sys/bus/platform/devices/*.uf    
404 Date:           February 2018                     
405 Contact:        Stanislav Nijnikov <stanislav.n    
406 Description:    This file shows the maximum da    
407                 is one of the UFS geometry des    
408                 information about the descript    
409                 specifications 2.1.               
410                                                   
411                 The file is read only.            
412                                                   
413 What:           /sys/bus/platform/drivers/ufsh    
414 What:           /sys/bus/platform/devices/*.uf    
415 Date:           February 2018                     
416 Contact:        Stanislav Nijnikov <stanislav.n    
417 Description:    This file shows the maximum nu    
418                 in Security Protocol In/Out. T    
419                 descriptor parameters. The ful    
420                 descriptor could be found at U    
421                                                   
422                 The file is read only.            
423                                                   
424 What:           /sys/bus/platform/drivers/ufsh    
425 What:           /sys/bus/platform/devices/*.uf    
426 Date:           February 2018                     
427 Contact:        Stanislav Nijnikov <stanislav.n    
428 Description:    This file shows the dynamic ca    
429                 is one of the UFS geometry des    
430                 information about the descript    
431                 UFS specifications 2.1.           
432                                                   
433                 The file is read only.            
434                                                   
435 What:           /sys/bus/platform/drivers/ufsh    
436 What:           /sys/bus/platform/devices/*.uf    
437 Date:           February 2018                     
438 Contact:        Stanislav Nijnikov <stanislav.n    
439 Description:    This file shows support for ou    
440                 This is one of the UFS geometr    
441                 The full information about the    
442                 UFS specifications 2.1.           
443                                                   
444                 The file is read only.            
445                                                   
446 What:           /sys/bus/platform/drivers/ufsh    
447 What:           /sys/bus/platform/devices/*.uf    
448 Date:           February 2018                     
449 Contact:        Stanislav Nijnikov <stanislav.n    
450 Description:    This file shows maximum availa    
451                 are supported by the device. T    
452                 descriptor parameters. The ful    
453                 descriptor could be found at U    
454                                                   
455                 The file is read only.            
456                                                   
457 What:           /sys/bus/platform/drivers/ufsh    
458 What:           /sys/bus/platform/devices/*.uf    
459 Date:           February 2018                     
460 Contact:        Stanislav Nijnikov <stanislav.n    
461 Description:    This file shows system data ta    
462                 the UFS geometry descriptor pa    
463                 about the descriptor could be     
464                                                   
465                 The file is read only.            
466                                                   
467 What:           /sys/bus/platform/drivers/ufsh    
468 What:           /sys/bus/platform/devices/*.uf    
469 Date:           February 2018                     
470 Contact:        Stanislav Nijnikov <stanislav.n    
471 Description:    This file shows maximum storag    
472                 the device to handle system da    
473                 This is one of the UFS geometr    
474                 The full information about the    
475                 UFS specifications 2.1.           
476                                                   
477                 The file is read only.            
478                                                   
479 What:           /sys/bus/platform/drivers/ufsh    
480 What:           /sys/bus/platform/devices/*.uf    
481 Date:           February 2018                     
482 Contact:        Stanislav Nijnikov <stanislav.n    
483 Description:    This file shows supported secu    
484                 one of the UFS geometry descri    
485                 information about the descript    
486                 UFS specifications 2.1.           
487                                                   
488                 The file is read only.            
489                                                   
490 What:           /sys/bus/platform/drivers/ufsh    
491 What:           /sys/bus/platform/devices/*.uf    
492 Date:           February 2018                     
493 Contact:        Stanislav Nijnikov <stanislav.n    
494 Description:    This file shows supported memo    
495                 the UFS geometry descriptor pa    
496                 information about the descript    
497                 UFS specifications 2.1.           
498                                                   
499                 The file is read only.            
500                                                   
501 What:           /sys/bus/platform/drivers/ufsh    
502 What:           /sys/bus/platform/devices/*.uf    
503 Date:           February 2018                     
504 Contact:        Stanislav Nijnikov <stanislav.n    
505 Description:    This file shows the maximum nu    
506                 different memory types (system    
507                 enhanced type 1-4). This is on    
508                 descriptor parameters. The ful    
509                 descriptor could be found at U    
510                                                   
511                 The file is read only.            
512                                                   
513 What:           /sys/bus/platform/drivers/ufsh    
514 What:           /sys/bus/platform/devices/*.uf    
515 Date:           February 2018                     
516 Contact:        Stanislav Nijnikov <stanislav.n    
517 Description:    This file shows the memory cap    
518                 different memory types (system    
519                 enhanced type 1-4). This is on    
520                 descriptor parameters. The ful    
521                 descriptor could be found at U    
522                                                   
523                 The file is read only.            
524                                                   
525                                                   
526 What:           /sys/bus/platform/drivers/ufsh    
527 What:           /sys/bus/platform/devices/*.uf    
528 Date:           February 2018                     
529 Contact:        Stanislav Nijnikov <stanislav.n    
530 Description:    This file shows preend of life    
531                 of the UFS health descriptor p    
532                 information about the descript    
533                 UFS specifications 2.1.           
534                                                   
535                 The file is read only.            
536                                                   
537 What:           /sys/bus/platform/drivers/ufsh    
538 What:           /sys/bus/platform/devices/*.uf    
539 Date:           February 2018                     
540 Contact:        Stanislav Nijnikov <stanislav.n    
541 Description:    This file shows indication of     
542                 (method a). This is one of the    
543                 parameters. The full informati    
544                 could be found at UFS specific    
545                                                   
546                 The file is read only.            
547                                                   
548 What:           /sys/bus/platform/drivers/ufsh    
549 What:           /sys/bus/platform/devices/*.uf    
550 Date:           February 2018                     
551 Contact:        Stanislav Nijnikov <stanislav.n    
552 Description:    This file shows indication of     
553                 (method b). This is one of the    
554                 parameters. The full informati    
555                 could be found at UFS specific    
556                                                   
557                 The file is read only.            
558                                                   
559                                                   
560 What:           /sys/bus/platform/drivers/ufsh    
561 What:           /sys/bus/platform/devices/*.uf    
562 Date:           February 2018                     
563 Contact:        Stanislav Nijnikov <stanislav.n    
564 Description:    This file shows maximum VCC, V    
565                 active ICC levels from 0 to 15    
566                 power descriptor parameters. T    
567                 the descriptor could be found     
568                                                   
569                 The file is read only.            
570                                                   
571                                                   
572 What:           /sys/bus/platform/drivers/ufsh    
573 What:           /sys/bus/platform/devices/*.uf    
574 Date:           February 2018                     
575 Contact:        Stanislav Nijnikov <stanislav.n    
576 Description:    This file contains a device ma    
577                 The full information about the    
578                 UFS specifications 2.1.           
579                                                   
580                 The file is read only.            
581                                                   
582 What:           /sys/bus/platform/drivers/ufsh    
583 What:           /sys/bus/platform/devices/*.uf    
584 Date:           February 2018                     
585 Contact:        Stanislav Nijnikov <stanislav.n    
586 Description:    This file contains a product n    
587                 about the descriptor could be     
588                                                   
589                 The file is read only.            
590                                                   
591 What:           /sys/bus/platform/drivers/ufsh    
592 What:           /sys/bus/platform/devices/*.uf    
593 Date:           February 2018                     
594 Contact:        Stanislav Nijnikov <stanislav.n    
595 Description:    This file contains a OEM ID st    
596                 about the descriptor could be     
597                                                   
598                 The file is read only.            
599                                                   
600 What:           /sys/bus/platform/drivers/ufsh    
601 What:           /sys/bus/platform/devices/*.uf    
602 Date:           February 2018                     
603 Contact:        Stanislav Nijnikov <stanislav.n    
604 Description:    This file contains a device se    
605                 information about the descript    
606                 UFS specifications 2.1.           
607                                                   
608                 The file is read only.            
609                                                   
610 What:           /sys/bus/platform/drivers/ufsh    
611 What:           /sys/bus/platform/devices/*.uf    
612 Date:           February 2018                     
613 Contact:        Stanislav Nijnikov <stanislav.n    
614 Description:    This file contains a product r    
615                 information about the descript    
616                 UFS specifications 2.1.           
617                                                   
618                 The file is read only.            
619                                                   
620                                                   
621 What:           /sys/class/scsi_device/*/devic    
622 Date:           February 2018                     
623 Contact:        Stanislav Nijnikov <stanislav.n    
624 Description:    This file shows boot LUN infor    
625                 the UFS unit descriptor parame    
626                 about the descriptor could be     
627                                                   
628                 The file is read only.            
629                                                   
630 What:           /sys/class/scsi_device/*/devic    
631 Date:           February 2018                     
632 Contact:        Stanislav Nijnikov <stanislav.n    
633 Description:    This file shows LUN write prot    
634                 the UFS unit descriptor parame    
635                 about the descriptor could be     
636                                                   
637                 The file is read only.            
638                                                   
639 What:           /sys/class/scsi_device/*/devic    
640 Date:           February 2018                     
641 Contact:        Stanislav Nijnikov <stanislav.n    
642 Description:    This file shows LUN queue dept    
643                 unit descriptor parameters. Th    
644                 the descriptor could be found     
645                                                   
646                 The file is read only.            
647                                                   
648 What:           /sys/class/scsi_device/*/devic    
649 Date:           February 2018                     
650 Contact:        Stanislav Nijnikov <stanislav.n    
651 Description:    This file shows PSA sensitivit    
652                 unit descriptor parameters. Th    
653                 the descriptor could be found     
654                                                   
655                 The file is read only.            
656                                                   
657 What:           /sys/class/scsi_device/*/devic    
658 Date:           February 2018                     
659 Contact:        Stanislav Nijnikov <stanislav.n    
660 Description:    This file shows LUN memory typ    
661                 unit descriptor parameters. Th    
662                 the descriptor could be found     
663                                                   
664                 The file is read only.            
665                                                   
666 What:           /sys/class/scsi_device/*/devic    
667 Date:           February 2018                     
668 Contact:        Stanislav Nijnikov <stanislav.n    
669 Description:    This file defines the device b    
670                 occurs during a write operatio    
671                 unit descriptor parameters. Th    
672                 the descriptor could be found     
673                                                   
674                 The file is read only.            
675                                                   
676 What:           /sys/class/scsi_device/*/devic    
677 Date:           February 2018                     
678 Contact:        Stanislav Nijnikov <stanislav.n    
679 Description:    This file shows the size of ad    
680                 (calculated as an exponent wit    
681                 the UFS unit descriptor parame    
682                 the descriptor could be found     
683                                                   
684                 The file is read only.            
685                                                   
686 What:           /sys/class/scsi_device/*/devic    
687 Date:           February 2018                     
688 Contact:        Stanislav Nijnikov <stanislav.n    
689 Description:    This file shows total number o    
690                 This is one of the UFS unit de    
691                 information about the descript    
692                 UFS specifications 2.1.           
693                                                   
694                 The file is read only.            
695                                                   
696 What:           /sys/class/scsi_device/*/devic    
697 Date:           February 2018                     
698 Contact:        Stanislav Nijnikov <stanislav.n    
699 Description:    This file shows the erase bloc    
700                 the UFS unit descriptor parame    
701                 about the descriptor could be     
702                                                   
703                 The file is read only.            
704                                                   
705 What:           /sys/class/scsi_device/*/devic    
706 Date:           February 2018                     
707 Contact:        Stanislav Nijnikov <stanislav.n    
708 Description:    This file shows the thin provi    
709                 the UFS unit descriptor parame    
710                 about the descriptor could be     
711                                                   
712                 The file is read only.            
713                                                   
714 What:           /sys/class/scsi_device/*/devic    
715 Date:           February 2018                     
716 Contact:        Stanislav Nijnikov <stanislav.n    
717 Description:    This file shows the total phys    
718                 one of the UFS unit descriptor    
719                 about the descriptor could be     
720                                                   
721                 The file is read only.            
722                                                   
723 What:           /sys/class/scsi_device/*/devic    
724 Date:           February 2018                     
725 Contact:        Stanislav Nijnikov <stanislav.n    
726 Description:    This file shows the context ca    
727                 the UFS unit descriptor parame    
728                 about the descriptor could be     
729                                                   
730                 The file is read only.            
731                                                   
732 What:           /sys/class/scsi_device/*/devic    
733 Date:           February 2018                     
734 Contact:        Stanislav Nijnikov <stanislav.n    
735 Description:    This file shows the granularit    
736                 the UFS unit descriptor parame    
737                 about the descriptor could be     
738                                                   
739                 The file is read only.            
740                                                   
741                                                   
742 What:           /sys/bus/platform/drivers/ufsh    
743 What:           /sys/bus/platform/devices/*.uf    
744 Date:           February 2018                     
745 Contact:        Stanislav Nijnikov <stanislav.n    
746 Description:    This file shows the device ini    
747                 about the flag could be found     
748                                                   
749                 The file is read only.            
750                                                   
751 What:           /sys/bus/platform/drivers/ufsh    
752 What:           /sys/bus/platform/devices/*.uf    
753 Date:           February 2018                     
754 Contact:        Stanislav Nijnikov <stanislav.n    
755 Description:    This file shows whether perman    
756                 The full information about the    
757                 UFS specifications 2.1.           
758                                                   
759                 The file is read only.            
760                                                   
761 What:           /sys/bus/platform/drivers/ufsh    
762 What:           /sys/bus/platform/devices/*.uf    
763 Date:           February 2018                     
764 Contact:        Stanislav Nijnikov <stanislav.n    
765 Description:    This file shows whether write     
766                 logical units configured as po    
767                 full information about the fla    
768                 UFS specifications 2.1.           
769                                                   
770                 The file is read only.            
771                                                   
772 What:           /sys/bus/platform/drivers/ufsh    
773 What:           /sys/bus/platform/devices/*.uf    
774 Date:           February 2018                     
775 Contact:        Stanislav Nijnikov <stanislav.n    
776 Description:    This file shows whether the de    
777                 enabled. The full information     
778                 found at UFS specifications 2.    
779                                                   
780                 The file is read only.            
781                                                   
782 What:           /sys/bus/platform/drivers/ufsh    
783 What:           /sys/bus/platform/devices/*.uf    
784 Date:           February 2018                     
785 Contact:        Stanislav Nijnikov <stanislav.n    
786 Description:    This file shows whether the de    
787                 The full information about the    
788                 UFS specifications 2.1.           
789                                                   
790                 The file is read only.            
791                                                   
792 What:           /sys/bus/platform/drivers/ufsh    
793 What:           /sys/bus/platform/devices/*.uf    
794 Date:           February 2018                     
795 Contact:        Stanislav Nijnikov <stanislav.n    
796 Description:    This file shows whether physic    
797                 The full information about the    
798                 UFS specifications 2.1.           
799                                                   
800                 The file is read only.            
801                                                   
802 What:           /sys/bus/platform/drivers/ufsh    
803 What:           /sys/bus/platform/devices/*.uf    
804 Date:           February 2018                     
805 Contact:        Stanislav Nijnikov <stanislav.n    
806 Description:    This file shows whether the de    
807                 operation related to real time    
808                 about the flag could be found     
809                                                   
810                 The file is read only.            
811                                                   
812 What:           /sys/bus/platform/drivers/ufsh    
813 What:           /sys/bus/platform/devices/*.uf    
814 Date:           February 2018                     
815 Contact:        Stanislav Nijnikov <stanislav.n    
816 Description:    This file shows whether the de    
817                 disabled. The full information    
818                 at UFS specifications 2.1.        
819                                                   
820                 The file is read only.            
821                                                   
822                                                   
823 What:           /sys/bus/platform/drivers/ufsh    
824 What:           /sys/bus/platform/devices/*.uf    
825 Date:           February 2018                     
826 Contact:        Stanislav Nijnikov <stanislav.n    
827 Description:    This file provides the boot lu    
828                 The full information about the    
829                 UFS specifications 2.1.           
830                                                   
831                 The file is read only.            
832                                                   
833 What:           /sys/bus/platform/drivers/ufsh    
834 What:           /sys/bus/platform/devices/*.uf    
835 Date:           February 2018                     
836 Contact:        Stanislav Nijnikov <stanislav.n    
837 Description:    This file provides the current    
838                 The full information about the    
839                 UFS specifications 2.1.           
840                                                   
841                 The file is read only.            
842                                                   
843 What:           /sys/bus/platform/drivers/ufsh    
844 What:           /sys/bus/platform/devices/*.uf    
845 Date:           February 2018                     
846 Contact:        Stanislav Nijnikov <stanislav.n    
847 Description:    This file provides the active     
848                 The full information about the    
849                 UFS specifications 2.1.           
850                                                   
851                 The file is read only.            
852                                                   
853 What:           /sys/bus/platform/drivers/ufsh    
854 What:           /sys/bus/platform/devices/*.uf    
855 Date:           February 2018                     
856 Contact:        Stanislav Nijnikov <stanislav.n    
857 Description:    This file provides the out of     
858                 device attribute. The full inf    
859                 could be found at UFS specific    
860                                                   
861                 The file is read only.            
862                                                   
863 What:           /sys/bus/platform/drivers/ufsh    
864 What:           /sys/bus/platform/devices/*.uf    
865 Date:           February 2018                     
866 Contact:        Stanislav Nijnikov <stanislav.n    
867 Description:    This file provides the backgro    
868                 attribute. The full informatio    
869                 be found at UFS specifications    
870                                                   
871                 The file is read only.            
872                                                   
873 What:           /sys/bus/platform/drivers/ufsh    
874 What:           /sys/bus/platform/devices/*.uf    
875 Date:           February 2018                     
876 Contact:        Stanislav Nijnikov <stanislav.n    
877 Description:    This file provides the purge o    
878                 attribute. The full informatio    
879                 be found at UFS specifications    
880                                                   
881                 The file is read only.            
882                                                   
883 What:           /sys/bus/platform/drivers/ufsh    
884 What:           /sys/bus/platform/devices/*.uf    
885 Date:           February 2018                     
886 Contact:        Stanislav Nijnikov <stanislav.n    
887 Description:    This file shows the maximum da    
888                 UPIU. The full information abo    
889                 be found at UFS specifications    
890                                                   
891                 The file is read only.            
892                                                   
893 What:           /sys/bus/platform/drivers/ufsh    
894 What:           /sys/bus/platform/devices/*.uf    
895 Date:           February 2018                     
896 Contact:        Stanislav Nijnikov <stanislav.n    
897 Description:    This file shows the maximum nu    
898                 requested with a READY TO TRAN    
899                 about the attribute could be f    
900                                                   
901                 The file is read only.            
902                                                   
903 What:           /sys/bus/platform/drivers/ufsh    
904 What:           /sys/bus/platform/devices/*.uf    
905 Date:           February 2018                     
906 Contact:        Stanislav Nijnikov <stanislav.n    
907 Description:    This file provides the referen    
908                 attribute. The full informatio    
909                 be found at UFS specifications    
910                                                   
911                 The file is read only.            
912                                                   
913 What:           /sys/bus/platform/drivers/ufsh    
914 What:           /sys/bus/platform/devices/*.uf    
915 Date:           February 2018                     
916 Contact:        Stanislav Nijnikov <stanislav.n    
917 Description:    This file shows whether the co    
918                 The full information about the    
919                 UFS specifications 2.1. The fi    
920                                                   
921 What:           /sys/bus/platform/drivers/ufsh    
922 What:           /sys/bus/platform/devices/*.uf    
923 Date:           May 2024                          
924 Contact:        Avri Altman <avri.altman@wdc.co    
925 Description:    This file provides the maximum    
926                 outstanding RTTs in device tha    
927                 read-write persistent attribut    
928                 manufacturing. It shall not be    
929                 bDeviceRTTCap value, and it ma    
930                 empty.                            
931                                                   
932                 The file is read write.           
933                                                   
934 What:           /sys/bus/platform/drivers/ufsh    
935 What:           /sys/bus/platform/devices/*.uf    
936 Date:           February 2018                     
937 Contact:        Stanislav Nijnikov <stanislav.n    
938 Description:    This file provides the excepti    
939                 attribute. The full informatio    
940                 be found at UFS specifications    
941                                                   
942                 The file is read only.            
943                                                   
944 What:           /sys/bus/platform/drivers/ufsh    
945 What:           /sys/bus/platform/devices/*.uf    
946 Date:           February 2018                     
947 Contact:        Stanislav Nijnikov <stanislav.n    
948 Description:    This file provides the excepti    
949                 attribute. The full informatio    
950                 be found at UFS specifications    
951                                                   
952                 The file is read only.            
953                                                   
954 What:           /sys/bus/platform/drivers/ufsh    
955 What:           /sys/bus/platform/devices/*.uf    
956 Date:           February 2018                     
957 Contact:        Stanislav Nijnikov <stanislav.n    
958 Description:    This file provides the ffu sta    
959                 The full information about the    
960                 UFS specifications 2.1.           
961                                                   
962                 The file is read only.            
963                                                   
964 What:           /sys/bus/platform/drivers/ufsh    
965 What:           /sys/bus/platform/devices/*.uf    
966 Date:           February 2018                     
967 Contact:        Stanislav Nijnikov <stanislav.n    
968 Description:    This file show the PSA feature    
969                 about the attribute could be f    
970                                                   
971                 The file is read only.            
972                                                   
973 What:           /sys/bus/platform/drivers/ufsh    
974 What:           /sys/bus/platform/devices/*.uf    
975 Date:           February 2018                     
976 Contact:        Stanislav Nijnikov <stanislav.n    
977 Description:    This file shows the amount of     
978                 load to all logical units in p    
979                 The full information about the    
980                 UFS specifications 2.1.           
981                                                   
982                 The file is read only.            
983                                                   
984                                                   
985 What:           /sys/class/scsi_device/*/devic    
986 Date:           February 2018                     
987 Contact:        Stanislav Nijnikov <stanislav.n    
988 Description:    This file shows the amount of     
989                 to be removed from the physica    
990                 the particular logical unit. T    
991                 the attribute could be found a    
992                                                   
993                 The file is read only.            
994                                                   
995                                                   
996 What:           /sys/bus/platform/drivers/ufsh    
997 What:           /sys/bus/platform/devices/*.uf    
998 Date:           September 2014                    
999 Contact:        Can Guo <quic_cang@quicinc.com>    
1000 Description:    This entry could be used to s    
1001                 runtime power management leve    
1002                 implementation supports 7 lev    
1003                                                  
1004                 ==  =========================    
1005                 0   UFS device will stay acti    
1006                     stay active                  
1007                 1   UFS device will stay acti    
1008                     hibernate                    
1009                 2   UFS device will be moved     
1010                     stay active                  
1011                 3   UFS device will be moved     
1012                     hibernate                    
1013                 4   UFS device will be powere    
1014                     hibernate                    
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                                                  
1023 What:           /sys/bus/platform/drivers/ufs    
1024 What:           /sys/bus/platform/devices/*.u    
1025 Date:           February 2018                    
1026 Contact:        Can Guo <quic_cang@quicinc.com    
1027 Description:    This entry shows the target p    
1028                 for the chosen runtime power     
1029                                                  
1030                 The file is read only.           
1031                                                  
1032 What:           /sys/bus/platform/drivers/ufs    
1033 What:           /sys/bus/platform/devices/*.u    
1034 Date:           February 2018                    
1035 Contact:        Can Guo <quic_cang@quicinc.com    
1036 Description:    This entry shows the target s    
1037                 for the chosen runtime power     
1038                                                  
1039                 The file is read only.           
1040                                                  
1041 What:           /sys/bus/platform/drivers/ufs    
1042 What:           /sys/bus/platform/devices/*.u    
1043 Date:           September 2014                   
1044 Contact:        Can Guo <quic_cang@quicinc.com    
1045 Description:    This entry could be used to s    
1046                 system power management level    
1047                 implementation supports 7 lev    
1048                                                  
1049                 ==  =========================    
1050                 0   UFS device will stay acti    
1051                     stay active                  
1052                 1   UFS device will stay acti    
1053                     hibernate                    
1054                 2   UFS device will be moved     
1055                     stay active                  
1056                 3   UFS device will be moved     
1057                     hibernate                    
1058                 4   UFS device will be powere    
1059                     hibernate                    
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                                                  
1068 What:           /sys/bus/platform/drivers/ufs    
1069 What:           /sys/bus/platform/devices/*.u    
1070 Date:           February 2018                    
1071 Contact:        Can Guo <quic_cang@quicinc.com    
1072 Description:    This entry shows the target p    
1073                 for the chosen system power m    
1074                                                  
1075                 The file is read only.           
1076                                                  
1077 What:           /sys/bus/platform/drivers/ufs    
1078 What:           /sys/bus/platform/devices/*.u    
1079 Date:           February 2018                    
1080 Contact:        Can Guo <quic_cang@quicinc.com    
1081 Description:    This entry shows the target s    
1082                 for the chosen system power m    
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.           
                                                      

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