blob: 5151290cf8e75f27642d1c4d52ede0cd039f3d24 [file] [log] [blame]
Pratyush Anandce21bfe2014-07-14 19:27:49 +05301Link Layer Validation Device is a standard device for testing of Super
2Speed Link Layer tests. These nodes are available in sysfs only when lvs
3driver is bound with root hub device.
4
5What: /sys/bus/usb/devices/.../get_dev_desc
6Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -07007Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +05308Description:
9 Write to this node to issue "Get Device Descriptor"
10 for Link Layer Validation device. It is needed for TD.7.06.
11
12What: /sys/bus/usb/devices/.../u1_timeout
13Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -070014Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +053015Description:
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
20What: /sys/bus/usb/devices/.../u2_timeout
21Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -070022Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +053023Description:
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
28What: /sys/bus/usb/devices/.../hot_reset
29Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -070030Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +053031Description:
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
35What: /sys/bus/usb/devices/.../u3_entry
36Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -070037Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +053038Description:
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
42What: /sys/bus/usb/devices/.../u3_exit
43Date: March 2014
Pratyush Anande34cadd2015-06-25 15:01:08 -070044Contact: Pratyush Anand <pratyush.anand@gmail.com>
Pratyush Anandce21bfe2014-07-14 19:27:49 +053045Description:
46 Write to this node to issue "U3 exit" for Link Layer
47 Validation device. It is needed for TD.7.36.