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Documentation: ABI: Add doc for usbip-vudc attributes

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As vudc provides some new attributes using sysfs infrastructure,
add a suitable documentation file for those attributes.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Krzysztof Opasiak 2016-04-27 19:59:21 +02:00 committed by Greg Kroah-Hartman
parent ce15bda101
commit f945c54665
1 changed files with 35 additions and 0 deletions
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35
Documentation/ABI/testing/sysfs-platform-usbip-vudc Normal file
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What: /sys/devices/platform/usbip-vudc.%d/dev_desc
Date: April 2016
KernelVersion: 4.6
Contact: Krzysztof Opasiak <k.opasiak@samsung.com>
Description:
This file allows to read device descriptor of
gadget driver which is currently bound to this
controller. It is possible to read this file
only if gadget driver is bound, otherwise error
is returned.
What: /sys/devices/platform/usbip-vudc.%d/usbip_status
Date: April 2016
KernelVersion: 4.6
Contact: Krzysztof Opasiak <k.opasiak@samsung.com>
Description:
Current status of the device.
Allowed values:
1 - Device is available and can be exported
2 - Device is currently exported
3 - Fatal error occurred during communication
with peer
What: /sys/devices/platform/usbip-vudc.%d/usbip_sockfd
Date: April 2016
KernelVersion: 4.6
Contact: Krzysztof Opasiak <k.opasiak@samsung.com>
Description:
This file allows to export usb device to
connection peer. It is done by writing to this
file socket fd (as a string for example "8")
associated with a connection to remote peer who
would like to use this device. It is possible to
close the connection by writing -1 instead of
socked fd.