Documentation/ABI/testing/sysfs-platform-usbip-vudc

   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.
  11
  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
  20                 ==  ==========================================
  21                 1   Device is available and can be exported
  22                 2   Device is currently exported
  23                 3   Fatal error occurred during communication
  24                     with peer
  25                 ==  ==========================================
  26
  27 What:           /sys/devices/platform/usbip-vudc.%d/usbip_sockfd
  28 Date:           April 2016
  29 KernelVersion:  4.6
  30 Contact:        Krzysztof Opasiak <k.opasiak@samsung.com>
  31 Description:
  32                 This file allows to export usb device to
  33                 connection peer. It is done by writing to this
  34                 file socket fd (as a string for example "8")
  35                 associated with a connection to remote peer who
  36                 would like to use this device. It is possible to
  37                 close the connection by writing -1 instead of
  38                 socked fd.