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

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2024-07-22 17:22:30 +08:00
What: /config/usb-gadget/gadget/functions/mass_storage.name
Date: Oct 2013
KernelVersion: 3.13
Description:
The attributes:
=========== ==============================================
stall Set to permit function to halt bulk endpoints.
Disabled on some USB devices known not to work
correctly. You should set it to true.
num_buffers Number of pipeline buffers. Valid numbers
are 2..4. Available only if
CONFIG_USB_GADGET_DEBUG_FILES is set.
=========== ==============================================
What: /config/usb-gadget/gadget/functions/mass_storage.name/lun.name
Date: Oct 2013
KernelVersion: 3.13
Description:
The attributes:
=========== ==============================================
file The path to the backing file for the LUN.
Required if LUN is not marked as removable.
ro Flag specifying access to the LUN shall be
read-only. This is implied if CD-ROM emulation
is enabled as well as when it was impossible
to open "filename" in R/W mode.
removable Flag specifying that LUN shall be indicated as
being removable.
cdrom Flag specifying that LUN shall be reported as
being a CD-ROM.
nofua Flag specifying that FUA flag
in SCSI WRITE(10,12)
=========== ==============================================