Re: [RFC 12/17] irq: bypass: Extend skeleton for ARM forwarding control

From: Paolo Bonzini
Date: Fri Jul 03 2015 - 13:20:27 EST




On 03/07/2015 15:12, Eric Auger wrote:
>> > Linux IRQ and active should be okay. As to the vfio_device handle, you
>> > should link it from the vfio_platform_device instead. And for the
>> > vfio_platform_device, you can link it from the vfio_platform_irq instead.
> For this last one, I don't think this is achievable since if I store the
> vfio_platform_irq in the opaque, it matches irqs[i] of
> vfio_platform_device and I don't have any mean to retrieve "i" when
> calling container_of.

Right, notice I said "link it":

struct vfio_platform_irq *irq =
container_of(prod, struct vfio_platform_irq, producer);
struct vfio_platform_device *vpdev = irq->vpdev;
struct vfio_device *vdev = vpdev->vdev;

Would this be okay?

Paolo
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