| Pratyush Anand | ce21bfe | 2014-07-14 19:27:49 +0530 | [diff] [blame^] | 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@st.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@st.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@st.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@st.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@st.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@st.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. |