Re: [PATCH v7 2/3] usb: Introduce Xen pvUSB frontend (xen hcd)

[Juergen Gross <jgross@xxxxxxxx>]

On 03.12.21 13:49, Greg Kroah-Hartman wrote:
> 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?
Either that, or I can carry it through the Xen tree.

Its your choice. :-)


Juergen

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