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Groups > linux.kernel > #1190580

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

From Greg KH <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description
Date 2015-07-23 06:40 +0200
Message-ID <pPgsy-4tQ-5@gated-at.bofh.it> (permalink)
References <pEqlA-3op-5@gated-at.bofh.it> <pEqlA-3op-3@gated-at.bofh.it> <pPbVV-6bx-17@gated-at.bofh.it> <pPfZv-3RQ-3@gated-at.bofh.it>
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On Thu, Jul 23, 2015 at 06:04:39AM +0200, Juergen Gross wrote:
> 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@suse.com>
> >>---
> >>  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

That's header file, not a document describing the api here.

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

I am very aware of the amount of Xen crap in SuSE's kernel, don't use
that as an excuse for me to merge it to mainline :)

thanks,

greg k-h
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Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description Greg KH <gregkh@linuxfoundation.org> - 2015-07-23 01:50 +0200
  Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description Greg KH <gregkh@linuxfoundation.org> - 2015-07-23 06:40 +0200
    Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description Juergen Gross <jgross@suse.com> - 2015-07-23 08:50 +0200
      Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description Greg KH <gregkh@linuxfoundation.org> - 2015-07-23 21:10 +0200
        Re: [Xen-devel] [Patch V4 1/3] usb: Add Xen pvUSB protocol  description Pasi Kärkkäinen <pasik@iki.fi> - 2015-07-23 23:40 +0200

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