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