Re: [Xen-devel] [PATCH 0/2] libxl: try to support IGD passthrough for qemu upstream

["Chen, Tiejun" <tiejun.chen@xxxxxxxxx>]

On 2015/3/6 23:53, Konrad Rzeszutek Wilk wrote:
> On Fri, Mar 06, 2015 at 05:08:21PM +0800, Tiejun Chen wrote:
> > When we're working to support IGD GFX passthrough with qemu
> > upstream, instead of "-gfx_passthru" we'd like to make that
> Could you also include in the cover letter an URL link to the latest
> discussion on this?
Thanks for reminding. I really should do this.

https://lists.nongnu.org/archive/html/qemu-devel/2015-01/msg02050.html

Thanks
Tiejun

> Thank you.
> > a machine option, "-machine xxx,igd-passthru=on". This need
> > to bring a change on tool side.
> >
> > After a discussion with Campbell, we'd like to construct a table to record
> > all IGD devices we can support. If we hit that table, we should pass that
> > option. And so we also introduce a new field of type, 'gfx_passthru_kind',
> > to cooperate with 'gfx_passthru' to cover all scenarios like this,
> >
> >      gfx_passthru = 0    => sets build_info.u.gfx_passthru to false
> >      gfx_passthru = 1    => sets build_info.u.gfx_passthru to false and
> >                             build_info.u.gfx_passthru_kind to DEFAULT
> >      gfx_passthru = "igd"    => sets build_info.u.gfx_passthru to false
> >                                 and build_info.u.gfx_passthru_kind to IGD
> >
> > ----------------------------------------------------------------
> > Tiejun Chen (2):
> >        libxl: introduce libxl__is_igd_vga_passthru
> >        libxl: introduce gfx_passthru_kind
> >
> >   tools/libxl/libxl_dm.c       |  13 +++++++++++++
> >   tools/libxl/libxl_internal.h |   2 ++
> >   tools/libxl/libxl_pci.c      | 124 
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >   tools/libxl/libxl_types.idl  |   6 ++++++
> >   tools/libxl/xl_cmdimpl.c     |  19 +++++++++++++++++--
> >   5 files changed, 162 insertions(+), 2 deletions(-)
> >
> > Thanks
> > Tiejun
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
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