Re: [PATCH v1 04/11] vfio: Add HostIOMMUDevice handle into VFIODevice

[Eric Auger <eric.auger@redhat.com>]

On 2/28/24 04:58, Zhenzhong Duan wrote:
> This handle points to either IOMMULegacyDevice or IOMMUFDDevice variant,
> neither both.
I would reword into:
store an handle to the HostIOMMUDevice the VFIODevice is associated with
. Its actual nature depends on the backend in use (VFIO or IOMMUFD).

Thanks

Eric
>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> ---
>  include/hw/vfio/vfio-common.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
> index 8bfb9cbe94..b6676c9f79 100644
> --- a/include/hw/vfio/vfio-common.h
> +++ b/include/hw/vfio/vfio-common.h
> @@ -130,6 +130,7 @@ typedef struct VFIODevice {
>      OnOffAuto pre_copy_dirty_page_tracking;
>      bool dirty_pages_supported;
>      bool dirty_tracking;
> +    HostIOMMUDevice *base_hdev;
>      int devid;
>      IOMMUFDBackend *iommufd;
>  } VFIODevice;