| | 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 | |
| | 5 | What: /sys/bus/usb/devices/.../get_dev_desc |
| | 6 | Date: March 2014 |
| | 7 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 8 | Description: |
| | 9 | Write to this node to issue "Get Device Descriptor" |
| | 10 | for Link Layer Validation device. It is needed for TD.7.06. |
| | 11 | |
| | 12 | What: /sys/bus/usb/devices/.../u1_timeout |
| | 13 | Date: March 2014 |
| | 14 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 15 | Description: |
| | 16 | Set "U1 timeout" for the downstream port where Link Layer |
| | 17 | Validation device is connected. Timeout value must be between 0 |
| | 18 | and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21. |
| | 19 | |
| | 20 | What: /sys/bus/usb/devices/.../u2_timeout |
| | 21 | Date: March 2014 |
| | 22 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 23 | Description: |
| | 24 | Set "U2 timeout" for the downstream port where Link Layer |
| | 25 | Validation device is connected. Timeout value must be between 0 |
| | 26 | and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21. |
| | 27 | |
| | 28 | What: /sys/bus/usb/devices/.../hot_reset |
| | 29 | Date: March 2014 |
| | 30 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 31 | Description: |
| | 32 | Write to this node to issue "Reset" for Link Layer Validation |
| | 33 | device. It is needed for TD.7.29, TD.7.31, TD.7.34 and TD.7.35. |
| | 34 | |
| | 35 | What: /sys/bus/usb/devices/.../u3_entry |
| | 36 | Date: March 2014 |
| | 37 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 38 | Description: |
| | 39 | Write to this node to issue "U3 entry" for Link Layer |
| | 40 | Validation device. It is needed for TD.7.35 and TD.7.36. |
| | 41 | |
| | 42 | What: /sys/bus/usb/devices/.../u3_exit |
| | 43 | Date: March 2014 |
| | 44 | Contact: Pratyush Anand <pratyush.anand@gmail.com> |
| | 45 | Description: |
| | 46 | Write to this node to issue "U3 exit" for Link Layer |
| | 47 | Validation device. It is needed for TD.7.36. |
| | 48 | |
| | 49 | What: /sys/bus/usb/devices/.../enable_compliance |
| | 50 | Date: July 2017 |
| | 51 | Description: |
| | 52 | Write to this node to set the port to compliance mode to test |
| | 53 | with Link Layer Validation device. It is needed for TD.7.34. |
| | 54 | |
| | 55 | What: /sys/bus/usb/devices/.../warm_reset |
| | 56 | Date: July 2017 |
| | 57 | Description: |
| | 58 | Write to this node to issue "Warm Reset" for Link Layer Validation |
| | 59 | device. It may be needed to properly reset an xHCI 1.1 host port if |
| | 60 | compliance mode needed to be explicitly enabled. |
projects / linux-2.6-block.git / blame_incremental