sysfs-bus-usb-lvstest 1.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647
  1. Link Layer Validation Device is a standard device for testing of Super
  2. Speed Link Layer tests. These nodes are available in sysfs only when lvs
  3. driver is bound with root hub device.
  4. What: /sys/bus/usb/devices/.../get_dev_desc
  5. Date: March 2014
  6. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  7. Description:
  8. Write to this node to issue "Get Device Descriptor"
  9. for Link Layer Validation device. It is needed for TD.7.06.
  10. What: /sys/bus/usb/devices/.../u1_timeout
  11. Date: March 2014
  12. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  13. Description:
  14. Set "U1 timeout" for the downstream port where Link Layer
  15. Validation device is connected. Timeout value must be between 0
  16. and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21.
  17. What: /sys/bus/usb/devices/.../u2_timeout
  18. Date: March 2014
  19. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  20. Description:
  21. Set "U2 timeout" for the downstream port where Link Layer
  22. Validation device is connected. Timeout value must be between 0
  23. and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21.
  24. What: /sys/bus/usb/devices/.../hot_reset
  25. Date: March 2014
  26. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  27. Description:
  28. Write to this node to issue "Reset" for Link Layer Validation
  29. device. It is needed for TD.7.29, TD.7.31, TD.7.34 and TD.7.35.
  30. What: /sys/bus/usb/devices/.../u3_entry
  31. Date: March 2014
  32. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  33. Description:
  34. Write to this node to issue "U3 entry" for Link Layer
  35. Validation device. It is needed for TD.7.35 and TD.7.36.
  36. What: /sys/bus/usb/devices/.../u3_exit
  37. Date: March 2014
  38. Contact: Pratyush Anand <pratyush.anand@gmail.com>
  39. Description:
  40. Write to this node to issue "U3 exit" for Link Layer
  41. Validation device. It is needed for TD.7.36.