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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2013-10-09 12:06:05 +0400
committerFelipe Balbi <balbi@ti.com>2013-10-10 19:24:27 +0400
commitef0aa4b92cf10a7684135c61dc406398308b328f (patch)
treed2147f3c87db29e438197dcfab9d7338e190d765 /Documentation/ABI/testing/configfs-usb-gadget-mass-storage
parent864328ef8e735403f85b768284001a4187d6868f (diff)
downloadlinux-ef0aa4b92cf10a7684135c61dc406398308b328f.tar.xz
usb: gadget: f_mass_storage: add configfs support
From this commit on f_mass_storage is available through configfs. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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+What: /config/usb-gadget/gadget/functions/mass_storage.name
+Date: Oct 2013
+KenelVersion: 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
+KenelVersion: 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)