Documentation/ABI/testing/configfs-usb-gadget-mass-storage

   1 What:           /config/usb-gadget/gadget/functions/mass_storage.name
   2 Date:           Oct 2013
   3 KernelVersion:  3.13
   4 Description:
   5                 The attributes:
   6
   7                 stall           - Set to permit function to halt bulk endpoints.
   8                                 Disabled on some USB devices known not to work
   9                                 correctly. You should set it to true.
  10                 num_buffers     - Number of pipeline buffers. Valid numbers
  11                                 are 2..4. Available only if
  12                                 CONFIG_USB_GADGET_DEBUG_FILES is set.
  13
  14 What:           /config/usb-gadget/gadget/functions/mass_storage.name/lun.name
  15 Date:           Oct 2013
  16 KernelVersion:  3.13
  17 Description:
  18                 The attributes:
  19
  20                 file            - The path to the backing file for the LUN.
  21                                 Required if LUN is not marked as removable.
  22                 ro              - Flag specifying access to the LUN shall be
  23                                 read-only. This is implied if CD-ROM emulation
  24                                 is enabled as well as when it was impossible
  25                                 to open "filename" in R/W mode.
  26                 removable       - Flag specifying that LUN shall be indicated as
  27                                 being removable.
  28                 cdrom           - Flag specifying that LUN shall be reported as
  29                                 being a CD-ROM.
  30                 nofua           - Flag specifying that FUA flag
  31                                 in SCSI WRITE(10,12)