Re: [Xen-devel] [Patch V4 1/3] usb: Add Xen pvUSB protocol description

[Juergen Gross <jgross@xxxxxxxx>]

On 07/23/2015 01:46 AM, Greg KH wrote:
> On Tue, Jun 23, 2015 at 08:53:23AM +0200, Juergen Gross wrote:
> > Add the definition of pvUSB protocol used between the pvUSB frontend in
> > a Xen domU and the pvUSB backend in a Xen driver domain (usually Dom0).
> >
> > This header was originally provided by Fujitsu for Xen based on Linux
> > 2.6.18.
> >
> > Changes are:
> > - adapt to Linux style guide
> >
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > ---
> >   include/xen/interface/io/usbif.h | 252 +++++++++++++++++++++++++++++++++++++++
> Why is this a different interface than the existing ones we have today
> (i.e. usbip?)  Where is it documented?  Do the Xen developers /
The interface definition is living in the Xen git repository for several
years now:

git://xenbits.xen.org/xen.git -> xen/include/public/io/usbif.h

It is used e.g. in SUSE's xen kernel since 2.6.18.

The differences between the Xen version and the one I've posted here are
only style and name space related.

> maintainers agree with this interface and code?  I need their sign-off
> before I can accept such a thing.
Sure.

David, Konrad, Boris, could one of you please comment on the patches?


Juergen

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