ovl: create ovl_need_index() helper
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-platform-usbip-vudc
blob81fcfb45491382ea315484bc8feffbcf5f9b7138
1 What:           /sys/devices/platform/usbip-vudc.%d/dev_desc
2 Date:           April 2016
3 KernelVersion:  4.6
4 Contact:        Krzysztof Opasiak <k.opasiak@samsung.com>
5 Description:
6                 This file allows to read device descriptor of
7                 gadget driver which is currently bound to this
8                 controller. It is possible to read this file
9                 only if gadget driver is bound, otherwise error
10                 is returned.
12 What:           /sys/devices/platform/usbip-vudc.%d/usbip_status
13 Date:           April 2016
14 KernelVersion:  4.6
15 Contact:        Krzysztof Opasiak <k.opasiak@samsung.com>
16 Description:
17                 Current status of the device.
18                 Allowed values:
19                 1 - Device is available and can be exported
20                 2 - Device is currently exported
21                 3 - Fatal error occurred during communication
22                   with peer
24 What:           /sys/devices/platform/usbip-vudc.%d/usbip_sockfd
25 Date:           April 2016
26 KernelVersion:  4.6
27 Contact:        Krzysztof Opasiak <k.opasiak@samsung.com>
28 Description:
29                 This file allows to export usb device to
30                 connection peer. It is done by writing to this
31                 file socket fd (as a string for example "8")
32                 associated with a connection to remote peer who
33                 would like to use this device. It is possible to
34                 close the connection by writing -1 instead of
35                 socked fd.