On 22/07/2024 08:07, Zhenzhong Duan wrote:
> mdevs aren't "physical" devices and when asking for backing IOMMU info,
> it fails the entire provisioning of the guest. Fix that by setting
> vbasedev->mdev true so skipping HostIOMMUDevice initialization in the
> presence of mdevs.
>
> Fixes: 930589520128 ("vfio/iommufd: Implement HostIOMMUDeviceClass::realize()
> handler")
> Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
Reviewed-by: Joao Martins <joao.m.mart...@oracle.com>
> ---
> hw/vfio/ap.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c
> index 0c4354e3e7..391bfb72ca 100644
> --- a/hw/vfio/ap.c
> +++ b/hw/vfio/ap.c
> @@ -230,6 +230,9 @@ static void vfio_ap_instance_init(Object *obj)
> */
> vfio_device_init(vbasedev, VFIO_DEVICE_TYPE_AP, &vfio_ap_ops,
> DEVICE(vapdev), true);
> +
> + /* AP device is mdev type device */
> + vbasedev->mdev = true;
> }
>
> #ifdef CONFIG_IOMMUFD
