Re: [Xen-devel] [PATCH 0/5] xen: add Intel IGD passthrough support

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

Zhang, Yang Z wrote on 2014-02-21:
> From: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> 
> The following patches are ported from Xen Qemu-traditional branch
> which are adding Intel IGD passthrough supporting to Qemu upstream.
> 
> To pass through IGD to guest, user need to add following lines in Xen
> config file: gfx_passthru=1 pci=['00:02.0@2']
> 
> Besides, since Xen + Qemu upstream is requiring seabios, user also
> need to recompile seabios with CONFIG_OPTIONROMS_DEPLOYED=y to allow
> IGD pass through
> successfully:
> 1. change CONFIG_OPTIONROMS_DEPLOYED=y in file:
> xen/tools/firmware/seabios-config 2. recompile the tools
> 
> I have successfully boot Win 7 and RHEL6u4 guests with IGD assigned in
> Haswell desktop with Latest Xen + Qemu upstream.
> 
> Yang Zhang (5):
>   xen, gfx passthrough: basic graphics passthrough support
>   xen, gfx passthrough: reserve 00:02.0 for INTEL IGD
>   xen, gfx passthrough: create intel isa bridge
>   xen, gfx passthrough: support Intel IGD passthrough with VT-D
>   xen, gfx passthrough: add opregion mapping
>  configure                    |    2 +- hw/pci-host/piix.c           |  
>  15 ++ hw/pci/pci.c                 |   19 ++ hw/xen/Makefile.objs      
>    |    2 +- hw/xen/xen-host-pci-device.c |    5 +
>  hw/xen/xen-host-pci-device.h |    1 + hw/xen/xen_pt.c              |  
>  10 + hw/xen/xen_pt.h              |   13 ++-
>  hw/xen/xen_pt_config_init.c  |   45 +++++- hw/xen/xen_pt_graphics.c    
>  |  407 ++++++++++++++++++++++++++++++++++++++++++ qemu-options.hx      
>         |    9 + vl.c                         |    8 + 12 files changed,
>  532 insertions(+), 4 deletions(-)  create mode
> 100644 hw/xen/xen_pt_graphics.c

Ping.

Best regards,
Yang



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