xref: /linux/Documentation/ABI/testing/configfs-usb-gadget-mass-storage (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
1What:		/config/usb-gadget/gadget/functions/mass_storage.name
2Date:		Oct 2013
3KernelVersion:	3.13
4Description:
5		The attributes:
6
7		===========	==============================================
8		stall		Set to permit function to halt bulk endpoints.
9				Disabled on some USB devices known not to work
10				correctly. You should set it to true.
11		num_buffers	Number of pipeline buffers. Valid numbers
12				are 2..4. Available only if
13				CONFIG_USB_GADGET_DEBUG_FILES is set.
14		===========	==============================================
15
16What:		/config/usb-gadget/gadget/functions/mass_storage.name/lun.name
17Date:		Oct 2013
18KernelVersion:	3.13
19Description:
20		The attributes:
21
22		===========	==============================================
23		file		The path to the backing file for the LUN.
24				Required if LUN is not marked as removable.
25		ro		Flag specifying access to the LUN shall be
26				read-only. This is implied if CD-ROM emulation
27				is enabled as well as when it was impossible
28				to open "filename" in R/W mode.
29		removable	Flag specifying that LUN shall be indicated as
30				being removable.
31		cdrom		Flag specifying that LUN shall be reported as
32				being a CD-ROM.
33		nofua		Flag specifying that FUA flag
34				in SCSI WRITE(10,12)
35		===========	==============================================
36