[Xen-devel] Re: [PATCH]: xl: pci multi-function passthrough v2

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 9 Aug 2010, Gianni Tedesco (3P) wrote:
> Changes since last time:
>  1. Incorporate Stefanos feedback wrt. coding style, commenting
>     non-obvious code and making single-function a special-case of
>     multi-function
>  2. Also fix the case for passing through a single sub-function and
>     re-mapping it as a single-function virtual device. (ie: pfunc =
>     non-zero, vfunc = zero). Apparently needed for SR-IOV.
>  3. One-liner format change in xl pci-list-assignable to make it
>    print a copy-and-pasteable BDF.
> 8<----------------------------------------
> 
> Implement PCI pass-through for multi-function devices. The supported BDF
> notation is: BB:DD.* - therefore passing-through a subset of functions or
> remapping the function numbers is not supported except for when passing
> through a single function which will be a virtual function 0.
> 
> Letting qemu automatically select the virtual slot is not supported in
> multi-function passthrough since the qemu-dm protocol can not actually
> handle that case.
> 
> Also fix format error in xl pci-list-assignable.
> 
> Signed-off-by: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
> 

applied, thanks

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