Re: A question about virtio and KVM

[Carsten Otte <cotte-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>]

Christian Borntraeger wrote:
>> It is not yet updated to latest virtio & latest kvm.
>> This version uses a pci device for virtio. Since I'm think Rusty's 
>> config space does not matches
>> pci config space I might consider changing it. (Preferably not, maybe 
>> I'll start using it until we'll have the windows
>> implementation).
>> I'll start work on it on Sunday.
> 
> I currently try to use Rusty's config space as we dont have a PCI bus. 
> Carsten told me that HPA suggested to split CONFIG_PCI in a way to use
> the hardware independent data structures without providing the hardware.
> 
> Carsten do you still remember the full details?
*Shrug*. I think Peter suggested that we'd use a PCI bus type, and PCI 
IDs for device identification. We're not going to use PCI to do I/O, 
and we're not going to use IRQ (HPA: irq == 0 is a valid value, which 
means that the PCI device does not have an irq). He suggested to look 
at the virtio bus that he contributed to Rusty's lguest code as an 
example.

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