Re: [RFC PATCH 0/5] QEMU VFIO device assignment

Avi Kivity
2010-07-12T06:30:10Z

On 07/11/2010 11:24 PM, Alex Williamson wrote:
>
> One other thing to be aware of is that vfio requires devices to be
> PCI-2.3 compliant in order to support DisINTx. This allows vfio to
> support devices making use of shared INTx interrupts, but excludes older
> devices that users maybe managed to get assigned to an exclusive
> interrupt for kvm style assignment.
>
> I suppose we might be able to make vfio work with either pci 2.3 devices
> or older devices with exclusive interrupts if that ends up affecting
> many users.
>

PCI 2.3 is already old enough (6-7 years?) that I believe we can require it.

--
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signature is too narrow to contain.