From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- Documentation/ABI/testing/sysfs-bus-usb-lvstest | 60 +++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-lvstest (limited to 'Documentation/ABI/testing/sysfs-bus-usb-lvstest') diff --git a/Documentation/ABI/testing/sysfs-bus-usb-lvstest b/Documentation/ABI/testing/sysfs-bus-usb-lvstest new file mode 100644 index 000000000..ee0046dc4 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-lvstest @@ -0,0 +1,60 @@ +Link Layer Validation Device is a standard device for testing of Super +Speed Link Layer tests. These nodes are available in sysfs only when lvs +driver is bound with root hub device. + +What: /sys/bus/usb/devices/.../get_dev_desc +Date: March 2014 +Contact: Pratyush Anand +Description: + Write to this node to issue "Get Device Descriptor" + for Link Layer Validation device. It is needed for TD.7.06. + +What: /sys/bus/usb/devices/.../u1_timeout +Date: March 2014 +Contact: Pratyush Anand +Description: + Set "U1 timeout" for the downstream port where Link Layer + Validation device is connected. Timeout value must be between 0 + and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21. + +What: /sys/bus/usb/devices/.../u2_timeout +Date: March 2014 +Contact: Pratyush Anand +Description: + Set "U2 timeout" for the downstream port where Link Layer + Validation device is connected. Timeout value must be between 0 + and 127. It is needed for TD.7.18, TD.7.19, TD.7.20 and TD.7.21. + +What: /sys/bus/usb/devices/.../hot_reset +Date: March 2014 +Contact: Pratyush Anand +Description: + Write to this node to issue "Reset" for Link Layer Validation + device. It is needed for TD.7.29, TD.7.31, TD.7.34 and TD.7.35. + +What: /sys/bus/usb/devices/.../u3_entry +Date: March 2014 +Contact: Pratyush Anand +Description: + Write to this node to issue "U3 entry" for Link Layer + Validation device. It is needed for TD.7.35 and TD.7.36. + +What: /sys/bus/usb/devices/.../u3_exit +Date: March 2014 +Contact: Pratyush Anand +Description: + Write to this node to issue "U3 exit" for Link Layer + Validation device. It is needed for TD.7.36. + +What: /sys/bus/usb/devices/.../enable_compliance +Date: July 2017 +Description: + Write to this node to set the port to compliance mode to test + with Link Layer Validation device. It is needed for TD.7.34. + +What: /sys/bus/usb/devices/.../warm_reset +Date: July 2017 +Description: + Write to this node to issue "Warm Reset" for Link Layer Validation + device. It may be needed to properly reset an xHCI 1.1 host port if + compliance mode needed to be explicitly enabled. -- cgit v1.2.3