Re: [Xen-devel] [rfc 00/18] ioemu: use devfn instead of slots as the unit for passthrough

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 02/03/2009 04:14, "Simon Horman" <horms@xxxxxxxxxxxx> wrote:

>> That was what I had in mind in my original proposal.
>> I'll try coding it up and see what it looks like.
> 
> As per the patch below I tried coding this up.
> 
> Unfortuantely in my test cases it seems that an rtl8139 ioemu device
> doesn't work unless its given the same girq that the original mapping
> yeilded.  I guess this is because the patch below isn't sufficient to wire
> up the girq for the ioemu case. I am investigating why.

Not really what I had in mind. Xend can do the GSI->slot mapping, to ensure
non-conflicting GSIs. I don't think any hypervisor changes are required, let
alone substantial ones.

 -- Keir




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