Re: [Xen-devel] [v5][PATCH 0/4] xen: introduce new machine for IGD passthrough

["Michael S. Tsirkin" <mst@xxxxxxxxxx>]

On Tue, Aug 12, 2014 at 05:49:13PM +0800, Tiejun Chen wrote:
> v5:
> 
> * Simplify to make sure its really inherited from the standard one in patch #3
> * Then drop the original patch #3
> 
> v4:
> 
> * Rebase on latest tree
> * Drop patch #2
> * Regenerate patches after Michael introduce patch #1
> * We need to use this pci_type as a index to reuse I440FX_PCI_DEVICE()
> * Test: boot with a preinstalled winxp
>   ./i386-softmmu/qemu-system-i386 -hda winxp-32.img -m 2560 -boot c -machine 
> pc
> 
> v3:
> 
> * Drop patch #4
> * Add one patch #1 from Michael
> * Rebase
> * In./i386-softmmu/qemu-system-i386 -hda test.img -m 2560 -boot c -machine pc
> 
> v2:
> 
> * Fix some coding style
> * New patch to separate i440fx_init
> * Just add prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough
> * Based on patch #2 to regenerate
> * Unify prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough like patch #3
> * Test: boot with a preinstalled ubuntu 14.04
>   ./i386-softmmu/qemu-system-i386 -hda test.img -m 2560 -boot c -machine pc
> 
> As we discussed we need to create a separate machine to support current
> IGD passthrough.

That's a clean way to add a new machine so I will queue this up, but I
note this does not do anything by itself. So I'll keep it in my queue -
this way you don't need to re-post - but I think we should defer merging
until we see the actual users.

> ----------------------------------------------------------------
> Michael S. Tsirkin (1):
>       i440fx: make types configurable at run-time
> 
> Tiejun Chen (3):
>       pc_init1: pass parameters just with types
>       xen:hw:pci-host:piix: create host bridge to passthrough
>       xen:hw:i386:pc_piix: introduce new machine for IGD passthrough
> 
>  hw/i386/pc_piix.c    | 60 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
>  hw/pci-host/piix.c   | 24 +++++++++++++++++++-----
>  include/hw/i386/pc.h |  8 +++++++-
>  3 files changed, 81 insertions(+), 11 deletions(-)
> 
> Thanks
> Tiejun

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