Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit
[deliverable/linux.git] / Documentation / ABI / testing / sysfs-bus-usb-lvstest
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1Link 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
e34cadde 7Contact: Pratyush Anand <pratyush.anand@gmail.com>
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8Description:
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
e34cadde 14Contact: Pratyush Anand <pratyush.anand@gmail.com>
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15Description:
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
e34cadde 22Contact: Pratyush Anand <pratyush.anand@gmail.com>
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23Description:
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
e34cadde 30Contact: Pratyush Anand <pratyush.anand@gmail.com>
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31Description:
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
e34cadde 37Contact: Pratyush Anand <pratyush.anand@gmail.com>
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38Description:
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
e34cadde 44Contact: Pratyush Anand <pratyush.anand@gmail.com>
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45Description:
46 Write to this node to issue "U3 exit" for Link Layer
47 Validation device. It is needed for TD.7.36.
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