On Tue, Nov 23, 2021 at 02:20:47PM +0100, Juergen Gross wrote: > Introduces the Xen pvUSB frontend. With pvUSB it is possible for a Xen > domU to communicate with a USB device assigned to that domU. The > communication is all done via the pvUSB backend in a driver domain > (usually Dom0) which is owner of the physical device. > > The pvUSB frontend is a USB hcd for a virtual USB host connector. > > The code is taken from the pvUSB implementation in Xen done by Fujitsu > based on Linux kernel 2.6.18. > > Changes from the original version are: > - port to upstream kernel > - put all code in just one source file > - move module to appropriate location in kernel tree > - adapt to Linux style guide > - minor code modifications to increase readability > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > --- > drivers/usb/host/Kconfig | 11 + > drivers/usb/host/Makefile | 1 + > drivers/usb/host/xen-hcd.c | 1606 ++++++++++++++++++++++++++++++++++++ > 3 files changed, 1618 insertions(+) > create mode 100644 drivers/usb/host/xen-hcd.c This looks sane to me, but I don't know the HCD interface as well as others on linux-usb do, like Alan Stern. What tree do you want this to be merged through, my USB one? thanks, greg k-h