Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / Documentation / ABI / testing / configfs-usb-gadget-mass-storage
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1What: /config/usb-gadget/gadget/functions/mass_storage.name
2Date: Oct 2013
06519e7f 3KernelVersion: 3.13
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4Description:
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
14What: /config/usb-gadget/gadget/functions/mass_storage.name/lun.name
15Date: Oct 2013
06519e7f 16KernelVersion: 3.13
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17Description:
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)