Addition to README regarding user space URBs transmission. Signed-off-by: Nobuo Iwata <nobuo.iwata@xxxxxxxxxxxxxxx> --- tools/usb/usbip/README | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/usb/usbip/README b/tools/usb/usbip/README index 74f4afb..6b61da5 100644 --- a/tools/usb/usbip/README +++ b/tools/usb/usbip/README @@ -98,6 +98,28 @@ Application-side: a machine runs an application software uses remote USB device. - Unbind usbip-host.ko from the device. +[Userspace Transmission] + +In usage shown above, once USB devices are imported or exported, USP/IP drivers send and receive URBs in kernel space. The usbip_ux.ko kernel module alternates the route to user space by forwarding USBs through USB/IP utilities (ie. usbip, usbipd, usbipa). When userspace transmission enabled, usbip attach and connect will continue executing until usbip detach or disconnect is exeuted. + + app:# insmod usbip-core.ko + app:# insmod usbip-ux.ko + app:# insmod vhci-hcd.ko + + app:# usbipa -D + + dev:# insmod usbip-core.ko + dev:# insmod usbip-ux.ko + dev:# insmod usbip-host.ko + + dev:# usbip connect --remote <host> --busid <busid> + - Continue running. + - Until disconnect command is executed in other terminal window. + + dev:# usbip disconnect --remote <host> --busid <busid> + - Stops transission, quits connect command and disconnect device. + + [Example] --------------------------- DEVICE SIDE -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
