Re: [Qemu-devel] [PATCH v6] kvm irqfd: support direct msimessage to irq translation

[Alexander Graf]

On 05.09.2013, at 18:01, Paolo Bonzini wrote:

> Il 03/09/2013 10:17, Michael S. Tsirkin ha scritto:
>>> On PPC64 systems MSI Messages are translated to system IRQ in a PCI
>>>> host bridge. This is already supported for emulated MSI/MSIX but
>>>> not for irqfd where the current QEMU allocates IRQ numbers from
>>>> irqchip and maps MSIMessages to IRQ in the host kernel.
>>>> 
>>>> This adds a new direct mapping flag which tells
>>>> the kvm_irqchip_add_msi_route() function that a new VIRQ
>>>> should not be allocated, instead the value from MSIMessage::data
>>>> should be used. It is up to the platform code to make sure that
>>>> this contains a valid IRQ number as sPAPR does in spapr_pci.c.
>>>> 
>>>> Signed-off-by: Alexey Kardashevskiy <address@hidden>
>> Fine with me
>> 
>> Acked-by: Michael S. Tsirkin <address@hidden>
>> 
> 
> Alex, are you picking this one?

I wouldn't mind if you pull it in. It mostly touches generic kvm code after all.


Alex