1What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_type 2Date: February 2018 3Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 4Description: This file shows the device type. This is one of the UFS 5 device descriptor parameters. The full information about 6 the descriptor could be found at UFS specifications 2.1. 7 The file is read only. 8 9What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_class 10Date: February 2018 11Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 12Description: This file shows the device class. This is one of the UFS 13 device descriptor parameters. The full information about 14 the descriptor could be found at UFS specifications 2.1. 15 The file is read only. 16 17What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_sub_class 18Date: February 2018 19Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 20Description: This file shows the UFS storage subclass. This is one of 21 the UFS device descriptor parameters. The full information 22 about the descriptor could be found at UFS specifications 2.1. 23 The file is read only. 24 25What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/protocol 26Date: February 2018 27Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 28Description: This file shows the protocol supported by an UFS device. 29 This is one of the UFS device descriptor parameters. 30 The full information about the descriptor could be found 31 at UFS specifications 2.1. 32 The file is read only. 33 34What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_luns 35Date: February 2018 36Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 37Description: This file shows number of logical units. This is one of 38 the UFS device descriptor parameters. The full information 39 about the descriptor could be found at UFS specifications 2.1. 40 The file is read only. 41 42What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_wluns 43Date: February 2018 44Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 45Description: This file shows number of well known logical units. 46 This is one of the UFS device descriptor parameters. 47 The full information about the descriptor could be found 48 at UFS specifications 2.1. 49 The file is read only. 50 51What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/boot_enable 52Date: February 2018 53Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 54Description: This file shows value that indicates whether the device is 55 enabled for boot. This is one of the UFS device descriptor 56 parameters. The full information about the descriptor could 57 be found at UFS specifications 2.1. 58 The file is read only. 59 60What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/descriptor_access_enable 61Date: February 2018 62Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 63Description: This file shows value that indicates whether the device 64 descriptor could be read after partial initialization phase 65 of the boot sequence. This is one of the UFS device descriptor 66 parameters. The full information about the descriptor could 67 be found at UFS specifications 2.1. 68 The file is read only. 69 70What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/initial_power_mode 71Date: February 2018 72Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 73Description: This file shows value that defines the power mode after 74 device initialization or hardware reset. This is one of 75 the UFS device descriptor parameters. The full information 76 about the descriptor could be found at UFS specifications 2.1. 77 The file is read only. 78 79What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/high_priority_lun 80Date: February 2018 81Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 82Description: This file shows the high priority lun. This is one of 83 the UFS device descriptor parameters. The full information 84 about the descriptor could be found at UFS specifications 2.1. 85 The file is read only. 86 87What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/secure_removal_type 88Date: February 2018 89Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 90Description: This file shows the secure removal type. This is one of 91 the UFS device descriptor parameters. The full information 92 about the descriptor could be found at UFS specifications 2.1. 93 The file is read only. 94 95What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/support_security_lun 96Date: February 2018 97Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 98Description: This file shows whether the security lun is supported. 99 This is one of the UFS device descriptor parameters. 100 The full information about the descriptor could be found 101 at UFS specifications 2.1. 102 The file is read only. 103 104What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/bkops_termination_latency 105Date: February 2018 106Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 107Description: This file shows the background operations termination 108 latency. This is one of the UFS device descriptor parameters. 109 The full information about the descriptor could be found 110 at UFS specifications 2.1. 111 The file is read only. 112 113What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/initial_active_icc_level 114Date: February 2018 115Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 116Description: This file shows the initial active ICC level. This is one 117 of the UFS device descriptor parameters. The full information 118 about the descriptor could be found at UFS specifications 2.1. 119 The file is read only. 120 121What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/specification_version 122Date: February 2018 123Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 124Description: This file shows the specification version. This is one 125 of the UFS device descriptor parameters. The full information 126 about the descriptor could be found at UFS specifications 2.1. 127 The file is read only. 128 129What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/manufacturing_date 130Date: February 2018 131Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 132Description: This file shows the manufacturing date in BCD format. 133 This is one of the UFS device descriptor parameters. 134 The full information about the descriptor could be found 135 at UFS specifications 2.1. 136 The file is read only. 137 138What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/manufacturer_id 139Date: February 2018 140Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 141Description: This file shows the manufacturee ID. This is one of the 142 UFS device descriptor parameters. The full information about 143 the descriptor could be found at UFS specifications 2.1. 144 The file is read only. 145 146What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/rtt_capability 147Date: February 2018 148Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 149Description: This file shows the maximum number of outstanding RTTs 150 supported by the device. This is one of the UFS device 151 descriptor parameters. The full information about 152 the descriptor could be found at UFS specifications 2.1. 153 The file is read only. 154 155What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/rtc_update 156Date: February 2018 157Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 158Description: This file shows the frequency and method of the realtime 159 clock update. This is one of the UFS device descriptor 160 parameters. The full information about the descriptor 161 could be found at UFS specifications 2.1. 162 The file is read only. 163 164What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/ufs_features 165Date: February 2018 166Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 167Description: This file shows which features are supported by the device. 168 This is one of the UFS device descriptor parameters. 169 The full information about the descriptor could be 170 found at UFS specifications 2.1. 171 The file is read only. 172 173What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/ffu_timeout 174Date: February 2018 175Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 176Description: This file shows the FFU timeout. This is one of the 177 UFS device descriptor parameters. The full information 178 about the descriptor could be found at UFS specifications 2.1. 179 The file is read only. 180 181What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/queue_depth 182Date: February 2018 183Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 184Description: This file shows the device queue depth. This is one of the 185 UFS device descriptor parameters. The full information 186 about the descriptor could be found at UFS specifications 2.1. 187 The file is read only. 188 189What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/device_version 190Date: February 2018 191Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 192Description: This file shows the device version. This is one of the 193 UFS device descriptor parameters. The full information 194 about the descriptor could be found at UFS specifications 2.1. 195 The file is read only. 196 197What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/number_of_secure_wpa 198Date: February 2018 199Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 200Description: This file shows number of secure write protect areas 201 supported by the device. This is one of the UFS device 202 descriptor parameters. The full information about 203 the descriptor could be found at UFS specifications 2.1. 204 The file is read only. 205 206What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/psa_max_data_size 207Date: February 2018 208Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 209Description: This file shows the maximum amount of data that may be 210 written during the pre-soldering phase of the PSA flow. 211 This is one of the UFS device descriptor parameters. 212 The full information about the descriptor could be found 213 at UFS specifications 2.1. 214 The file is read only. 215 216What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/psa_state_timeout 217Date: February 2018 218Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 219Description: This file shows the command maximum timeout for a change 220 in PSA state. This is one of the UFS device descriptor 221 parameters. The full information about the descriptor could 222 be found at UFS specifications 2.1. 223 The file is read only. 224 225 226What: /sys/bus/platform/drivers/ufshcd/*/interconnect_descriptor/unipro_version 227Date: February 2018 228Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 229Description: This file shows the MIPI UniPro version number in BCD format. 230 This is one of the UFS interconnect descriptor parameters. 231 The full information about the descriptor could be found at 232 UFS specifications 2.1. 233 The file is read only. 234 235What: /sys/bus/platform/drivers/ufshcd/*/interconnect_descriptor/mphy_version 236Date: February 2018 237Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 238Description: This file shows the MIPI M-PHY version number in BCD format. 239 This is one of the UFS interconnect descriptor parameters. 240 The full information about the descriptor could be found at 241 UFS specifications 2.1. 242 The file is read only. 243 244 245What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/raw_device_capacity 246Date: February 2018 247Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 248Description: This file shows the total memory quantity available to 249 the user to configure the device logical units. This is one 250 of the UFS geometry descriptor parameters. The full 251 information about the descriptor could be found at 252 UFS specifications 2.1. 253 The file is read only. 254 255What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_luns 256Date: February 2018 257Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 258Description: This file shows the maximum number of logical units 259 supported by the UFS device. This is one of the UFS 260 geometry descriptor parameters. The full information about 261 the descriptor could be found at UFS specifications 2.1. 262 The file is read only. 263 264What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/segment_size 265Date: February 2018 266Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 267Description: This file shows the segment size. This is one of the UFS 268 geometry descriptor parameters. The full information about 269 the descriptor could be found at UFS specifications 2.1. 270 The file is read only. 271 272What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/allocation_unit_size 273Date: February 2018 274Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 275Description: This file shows the allocation unit size. This is one of 276 the UFS geometry descriptor parameters. The full information 277 about the descriptor could be found at UFS specifications 2.1. 278 The file is read only. 279 280What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/min_addressable_block_size 281Date: February 2018 282Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 283Description: This file shows the minimum addressable block size. This 284 is one of the UFS geometry descriptor parameters. The full 285 information about the descriptor could be found at UFS 286 specifications 2.1. 287 The file is read only. 288 289What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_read_block_size 290Date: February 2018 291Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 292Description: This file shows the optimal read block size. This is one 293 of the UFS geometry descriptor parameters. The full 294 information about the descriptor could be found at UFS 295 specifications 2.1. 296 The file is read only. 297 298What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/optimal_write_block_size 299Date: February 2018 300Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 301Description: This file shows the optimal write block size. This is one 302 of the UFS geometry descriptor parameters. The full 303 information about the descriptor could be found at UFS 304 specifications 2.1. 305 The file is read only. 306 307What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_in_buffer_size 308Date: February 2018 309Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 310Description: This file shows the maximum data-in buffer size. This 311 is one of the UFS geometry descriptor parameters. The full 312 information about the descriptor could be found at UFS 313 specifications 2.1. 314 The file is read only. 315 316What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_out_buffer_size 317Date: February 2018 318Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 319Description: This file shows the maximum data-out buffer size. This 320 is one of the UFS geometry descriptor parameters. The full 321 information about the descriptor could be found at UFS 322 specifications 2.1. 323 The file is read only. 324 325What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/rpmb_rw_size 326Date: February 2018 327Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 328Description: This file shows the maximum number of RPMB frames allowed 329 in Security Protocol In/Out. This is one of the UFS geometry 330 descriptor parameters. The full information about the 331 descriptor could be found at UFS specifications 2.1. 332 The file is read only. 333 334What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/dyn_capacity_resource_policy 335Date: February 2018 336Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 337Description: This file shows the dynamic capacity resource policy. This 338 is one of the UFS geometry descriptor parameters. The full 339 information about the descriptor could be found at 340 UFS specifications 2.1. 341 The file is read only. 342 343What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/data_ordering 344Date: February 2018 345Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 346Description: This file shows support for out-of-order data transfer. 347 This is one of the UFS geometry descriptor parameters. 348 The full information about the descriptor could be found at 349 UFS specifications 2.1. 350 The file is read only. 351 352What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/max_number_of_contexts 353Date: February 2018 354Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 355Description: This file shows maximum available number of contexts which 356 are supported by the device. This is one of the UFS geometry 357 descriptor parameters. The full information about the 358 descriptor could be found at UFS specifications 2.1. 359 The file is read only. 360 361What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_unit_size 362Date: February 2018 363Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 364Description: This file shows system data tag unit size. This is one of 365 the UFS geometry descriptor parameters. The full information 366 about the descriptor could be found at UFS specifications 2.1. 367 The file is read only. 368 369What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/sys_data_tag_resource_size 370Date: February 2018 371Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 372Description: This file shows maximum storage area size allocated by 373 the device to handle system data by the tagging mechanism. 374 This is one of the UFS geometry descriptor parameters. 375 The full information about the descriptor could be found at 376 UFS specifications 2.1. 377 The file is read only. 378 379What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/secure_removal_types 380Date: February 2018 381Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 382Description: This file shows supported secure removal types. This is 383 one of the UFS geometry descriptor parameters. The full 384 information about the descriptor could be found at 385 UFS specifications 2.1. 386 The file is read only. 387 388What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/memory_types 389Date: February 2018 390Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 391Description: This file shows supported memory types. This is one of 392 the UFS geometry descriptor parameters. The full 393 information about the descriptor could be found at 394 UFS specifications 2.1. 395 The file is read only. 396 397What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_max_alloc_units 398Date: February 2018 399Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 400Description: This file shows the maximum number of allocation units for 401 different memory types (system code, non persistent, 402 enhanced type 1-4). This is one of the UFS geometry 403 descriptor parameters. The full information about the 404 descriptor could be found at UFS specifications 2.1. 405 The file is read only. 406 407What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/*_memory_capacity_adjustment_factor 408Date: February 2018 409Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 410Description: This file shows the memory capacity adjustment factor for 411 different memory types (system code, non persistent, 412 enhanced type 1-4). This is one of the UFS geometry 413 descriptor parameters. The full information about the 414 descriptor could be found at UFS specifications 2.1. 415 The file is read only. 416 417 418What: /sys/bus/platform/drivers/ufshcd/*/health_descriptor/eol_info 419Date: February 2018 420Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 421Description: This file shows preend of life information. This is one 422 of the UFS health descriptor parameters. The full 423 information about the descriptor could be found at 424 UFS specifications 2.1. 425 The file is read only. 426 427What: /sys/bus/platform/drivers/ufshcd/*/health_descriptor/life_time_estimation_a 428Date: February 2018 429Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 430Description: This file shows indication of the device life time 431 (method a). This is one of the UFS health descriptor 432 parameters. The full information about the descriptor 433 could be found at UFS specifications 2.1. 434 The file is read only. 435 436What: /sys/bus/platform/drivers/ufshcd/*/health_descriptor/life_time_estimation_b 437Date: February 2018 438Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 439Description: This file shows indication of the device life time 440 (method b). This is one of the UFS health descriptor 441 parameters. The full information about the descriptor 442 could be found at UFS specifications 2.1. 443 The file is read only. 444 445 446What: /sys/bus/platform/drivers/ufshcd/*/power_descriptor/active_icc_levels_vcc* 447Date: February 2018 448Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 449Description: This file shows maximum VCC, VCCQ and VCCQ2 value for 450 active ICC levels from 0 to 15. This is one of the UFS 451 power descriptor parameters. The full information about 452 the descriptor could be found at UFS specifications 2.1. 453 The file is read only. 454 455 456What: /sys/bus/platform/drivers/ufshcd/*/string_descriptors/manufacturer_name 457Date: February 2018 458Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 459Description: This file contains a device manufactureer name string. 460 The full information about the descriptor could be found at 461 UFS specifications 2.1. 462 The file is read only. 463 464What: /sys/bus/platform/drivers/ufshcd/*/string_descriptors/product_name 465Date: February 2018 466Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 467Description: This file contains a product name string. The full information 468 about the descriptor could be found at UFS specifications 2.1. 469 The file is read only. 470 471What: /sys/bus/platform/drivers/ufshcd/*/string_descriptors/oem_id 472Date: February 2018 473Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 474Description: This file contains a OEM ID string. The full information 475 about the descriptor could be found at UFS specifications 2.1. 476 The file is read only. 477 478What: /sys/bus/platform/drivers/ufshcd/*/string_descriptors/serial_number 479Date: February 2018 480Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 481Description: This file contains a device serial number string. The full 482 information about the descriptor could be found at 483 UFS specifications 2.1. 484 The file is read only. 485 486What: /sys/bus/platform/drivers/ufshcd/*/string_descriptors/product_revision 487Date: February 2018 488Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 489Description: This file contains a product revision string. The full 490 information about the descriptor could be found at 491 UFS specifications 2.1. 492 The file is read only. 493 494 495What: /sys/class/scsi_device/*/device/unit_descriptor/boot_lun_id 496Date: February 2018 497Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 498Description: This file shows boot LUN information. This is one of 499 the UFS unit descriptor parameters. The full information 500 about the descriptor could be found at UFS specifications 2.1. 501 The file is read only. 502 503What: /sys/class/scsi_device/*/device/unit_descriptor/lun_write_protect 504Date: February 2018 505Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 506Description: This file shows LUN write protection status. This is one of 507 the UFS unit descriptor parameters. The full information 508 about the descriptor could be found at UFS specifications 2.1. 509 The file is read only. 510 511What: /sys/class/scsi_device/*/device/unit_descriptor/lun_queue_depth 512Date: February 2018 513Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 514Description: This file shows LUN queue depth. This is one of the UFS 515 unit descriptor parameters. The full information about 516 the descriptor could be found at UFS specifications 2.1. 517 The file is read only. 518 519What: /sys/class/scsi_device/*/device/unit_descriptor/psa_sensitive 520Date: February 2018 521Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 522Description: This file shows PSA sensitivity. This is one of the UFS 523 unit descriptor parameters. The full information about 524 the descriptor could be found at UFS specifications 2.1. 525 The file is read only. 526 527What: /sys/class/scsi_device/*/device/unit_descriptor/lun_memory_type 528Date: February 2018 529Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 530Description: This file shows LUN memory type. This is one of the UFS 531 unit descriptor parameters. The full information about 532 the descriptor could be found at UFS specifications 2.1. 533 The file is read only. 534 535What: /sys/class/scsi_device/*/device/unit_descriptor/data_reliability 536Date: February 2018 537Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 538Description: This file defines the device behavior when a power failure 539 occurs during a write operation. This is one of the UFS 540 unit descriptor parameters. The full information about 541 the descriptor could be found at UFS specifications 2.1. 542 The file is read only. 543 544What: /sys/class/scsi_device/*/device/unit_descriptor/logical_block_size 545Date: February 2018 546Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 547Description: This file shows the size of addressable logical blocks 548 (calculated as an exponent with base 2). This is one of 549 the UFS unit descriptor parameters. The full information about 550 the descriptor could be found at UFS specifications 2.1. 551 The file is read only. 552 553What: /sys/class/scsi_device/*/device/unit_descriptor/logical_block_count 554Date: February 2018 555Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 556Description: This file shows total number of addressable logical blocks. 557 This is one of the UFS unit descriptor parameters. The full 558 information about the descriptor could be found at 559 UFS specifications 2.1. 560 The file is read only. 561 562What: /sys/class/scsi_device/*/device/unit_descriptor/erase_block_size 563Date: February 2018 564Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 565Description: This file shows the erase block size. This is one of 566 the UFS unit descriptor parameters. The full information 567 about the descriptor could be found at UFS specifications 2.1. 568 The file is read only. 569 570What: /sys/class/scsi_device/*/device/unit_descriptor/provisioning_type 571Date: February 2018 572Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 573Description: This file shows the thin provisioning type. This is one of 574 the UFS unit descriptor parameters. The full information 575 about the descriptor could be found at UFS specifications 2.1. 576 The file is read only. 577 578What: /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count 579Date: February 2018 580Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 581Description: This file shows the total physical memory resources. This is 582 one of the UFS unit descriptor parameters. The full information 583 about the descriptor could be found at UFS specifications 2.1. 584 The file is read only. 585 586What: /sys/class/scsi_device/*/device/unit_descriptor/context_capabilities 587Date: February 2018 588Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 589Description: This file shows the context capabilities. This is one of 590 the UFS unit descriptor parameters. The full information 591 about the descriptor could be found at UFS specifications 2.1. 592 The file is read only. 593 594What: /sys/class/scsi_device/*/device/unit_descriptor/large_unit_granularity 595Date: February 2018 596Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 597Description: This file shows the granularity of the LUN. This is one of 598 the UFS unit descriptor parameters. The full information 599 about the descriptor could be found at UFS specifications 2.1. 600 The file is read only. 601 602 603What: /sys/bus/platform/drivers/ufshcd/*/flags/device_init 604Date: February 2018 605Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 606Description: This file shows the device init status. The full information 607 about the flag could be found at UFS specifications 2.1. 608 The file is read only. 609 610What: /sys/bus/platform/drivers/ufshcd/*/flags/permanent_wpe 611Date: February 2018 612Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 613Description: This file shows whether permanent write protection is enabled. 614 The full information about the flag could be found at 615 UFS specifications 2.1. 616 The file is read only. 617 618What: /sys/bus/platform/drivers/ufshcd/*/flags/power_on_wpe 619Date: February 2018 620Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 621Description: This file shows whether write protection is enabled on all 622 logical units configured as power on write protected. The 623 full information about the flag could be found at 624 UFS specifications 2.1. 625 The file is read only. 626 627What: /sys/bus/platform/drivers/ufshcd/*/flags/bkops_enable 628Date: February 2018 629Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 630Description: This file shows whether the device background operations are 631 enabled. The full information about the flag could be 632 found at UFS specifications 2.1. 633 The file is read only. 634 635What: /sys/bus/platform/drivers/ufshcd/*/flags/life_span_mode_enable 636Date: February 2018 637Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 638Description: This file shows whether the device life span mode is enabled. 639 The full information about the flag could be found at 640 UFS specifications 2.1. 641 The file is read only. 642 643What: /sys/bus/platform/drivers/ufshcd/*/flags/phy_resource_removal 644Date: February 2018 645Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 646Description: This file shows whether physical resource removal is enable. 647 The full information about the flag could be found at 648 UFS specifications 2.1. 649 The file is read only. 650 651What: /sys/bus/platform/drivers/ufshcd/*/flags/busy_rtc 652Date: February 2018 653Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 654Description: This file shows whether the device is executing internal 655 operation related to real time clock. The full information 656 about the flag could be found at UFS specifications 2.1. 657 The file is read only. 658 659What: /sys/bus/platform/drivers/ufshcd/*/flags/disable_fw_update 660Date: February 2018 661Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> 662Description: This file shows whether the device FW update is permanently 663 disabled. The full information about the flag could be found 664 at UFS specifications 2.1. 665 The file is read only. 666