diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-usb-lvstest')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb-lvstest | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb-lvstest b/Documentation/ABI/testing/sysfs-bus-usb-lvstest new file mode 100644 index 000000000000..aae68fc2d842 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-lvstest | |||
| @@ -0,0 +1,47 @@ | |||
| 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. | ||