Re: [PATCH v2 13/17] vfio/container: Introduce an instance_init() handler

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

On 6/17/24 08:34, Cédric Le Goater wrote:
> This allows us to move the initialization code from vfio_container_init(),
> which we will soon remove.
>
> Signed-off-by: Cédric Le Goater <clg@redhat.com>
> Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>

Eric
> ---
>  hw/vfio/container-base.c | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)
>
> diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
> index 98c15e174dd78df5146ee83c05c98f3ea9c1e52c..3858f5ab1d68e897f9013161d7c5c20c0553029d 100644
> --- a/hw/vfio/container-base.c
> +++ b/hw/vfio/container-base.c
> @@ -75,12 +75,6 @@ void vfio_container_init(VFIOContainerBase *bcontainer,
>                           const VFIOIOMMUClass *ops)
>  {
>      bcontainer->ops = ops;
> -    bcontainer->error = NULL;
> -    bcontainer->dirty_pages_supported = false;
> -    bcontainer->dma_max_mappings = 0;
> -    bcontainer->iova_ranges = NULL;
> -    QLIST_INIT(&bcontainer->giommu_list);
> -    QLIST_INIT(&bcontainer->vrdl_list);
>  }
>  
>  void vfio_container_destroy(VFIOContainerBase *bcontainer)
> @@ -99,10 +93,23 @@ void vfio_container_destroy(VFIOContainerBase *bcontainer)
>      g_list_free_full(bcontainer->iova_ranges, g_free);
>  }
>  
> +static void vfio_container_instance_init(Object *obj)
> +{
> +    VFIOContainerBase *bcontainer = VFIO_IOMMU(obj);
> +
> +    bcontainer->error = NULL;
> +    bcontainer->dirty_pages_supported = false;
> +    bcontainer->dma_max_mappings = 0;
> +    bcontainer->iova_ranges = NULL;
> +    QLIST_INIT(&bcontainer->giommu_list);
> +    QLIST_INIT(&bcontainer->vrdl_list);
> +}
> +
>  static const TypeInfo types[] = {
>      {
>          .name = TYPE_VFIO_IOMMU,
>          .parent = TYPE_OBJECT,
> +        .instance_init = vfio_container_instance_init,
>          .instance_size = sizeof(VFIOContainerBase),
>          .class_size = sizeof(VFIOIOMMUClass),
>          .abstract = true,