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Diffstat (limited to 'Documentation/ABI/testing/configfs-usb-gadget-mass-storage')
| -rw-r--r-- | Documentation/ABI/testing/configfs-usb-gadget-mass-storage | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-mass-storage b/Documentation/ABI/testing/configfs-usb-gadget-mass-storage new file mode 100644 index 000000000..fc0328069 --- /dev/null +++ b/Documentation/ABI/testing/configfs-usb-gadget-mass-storage @@ -0,0 +1,41 @@ +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) + forced_eject This write-only file is useful only when + the function is active. It causes the backing + file to be forcibly detached from the LUN, + regardless of whether the host has allowed it. + Any non-zero number of bytes written will + result in ejection. + ============ ============================================== |