61 lines
2.2 KiB
Plaintext
61 lines
2.2 KiB
Plaintext
|
Link Layer Validation Device is a standard device for testing of Super
|
||
|
|
Speed Link Layer tests. These nodes are available in sysfs only when lvs
|
||
|
|
driver is bound with root hub device.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../get_dev_desc
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Write to this node to issue "Get Device Descriptor"
|
||
|
|
for Link Layer Validation device. It is needed for TD.7.06.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../u1_timeout
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Set "U1 timeout" for the downstream port where Link Layer
|
||
|
|
Validation device is connected. Timeout value must be between 0
|
||
|
|
and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../u2_timeout
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Set "U2 timeout" for the downstream port where Link Layer
|
||
|
|
Validation device is connected. Timeout value must be between 0
|
||
|
|
and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../hot_reset
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Write to this node to issue "Reset" for Link Layer Validation
|
||
|
|
device. It is needed for TD.7.29, TD.7.31, TD.7.34 and TD.7.35.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../u3_entry
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Write to this node to issue "U3 entry" for Link Layer
|
||
|
|
Validation device. It is needed for TD.7.35 and TD.7.36.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../u3_exit
|
||
|
|
Date: March 2014
|
||
|
|
Contact: Pratyush Anand <pratyush.anand@gmail.com>
|
||
|
|
Description:
|
||
|
|
Write to this node to issue "U3 exit" for Link Layer
|
||
|
|
Validation device. It is needed for TD.7.36.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../enable_compliance
|
||
|
|
Date: July 2017
|
||
|
|
Description:
|
||
|
|
Write to this node to set the port to compliance mode to test
|
||
|
|
with Link Layer Validation device. It is needed for TD.7.34.
|
||
|
|
|
||
|
|
What: /sys/bus/usb/devices/.../warm_reset
|
||
|
|
Date: July 2017
|
||
|
|
Description:
|
||
|
|
Write to this node to issue "Warm Reset" for Link Layer Validation
|
||
|
|
device. It may be needed to properly reset an xHCI 1.1 host port if
|
||
|
|
compliance mode needed to be explicitly enabled.
|