Re: [PATCH RFC server v2 04/11] vfio-user: find and init PCI device

[Stefan Hajnoczi]

On Fri, Aug 27, 2021 at 01:53:23PM -0400, Jagannathan Raman wrote:
> @@ -96,6 +102,28 @@ static void vfu_object_machine_done(Notifier *notifier, 
> void *data)
>                     strerror(errno));
>          return;
>      }
> +
> +    dev = qdev_find_recursive(sysbus_get_default(), o->devid);
> +    if (dev == NULL) {
> +        error_setg(&error_abort, "vfu: Device %s not found", o->devid);
> +        return;
> +    }
> +
> +    if (!object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
> +        error_setg(&error_abort, "vfu: %s not a PCI devices", o->devid);
> +        return;
> +    }
> +
> +    o->pci_dev = PCI_DEVICE(dev);
> +
> +    ret = vfu_pci_init(o->vfu_ctx, VFU_PCI_TYPE_CONVENTIONAL,
> +                       PCI_HEADER_TYPE_NORMAL, 0);

What is needed to support PCI Express?

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