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

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

On 2015/3/6 20:28, Wei Liu 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
>> 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 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> It might be helpful to use --stat-width=72 or some other options to
> limit the width of your diffstat. :-)
>

Will do.

Thanks
Tiejun