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xen-devel
Re: [Xen-devel] [PATCH]: xl: pci multi-function passthrough v2
On Mon, Aug 09, 2010 at 01:00:39PM +0100, Gianni Tedesco 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.
Is there any plan to extend this to allow for re-mapping and the like.
When I worked on the original multi-function support (last year)
this seemed to be a requirement of some people.
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