Re: [PATCH v9 04/10] vhost: add new call back function for config interrupt

[Michael S. Tsirkin]

On Thu, Sep 30, 2021 at 10:33:42AM +0800, Cindy Lu wrote:
> To support the config interrupt, we need to
> add a new call back function for config interrupt.
> 
> Signed-off-by: Cindy Lu <lulu@redhat.com>

Pls make commit log more informative.
Doing what? Called back when?


> ---
>  include/hw/virtio/vhost-backend.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/include/hw/virtio/vhost-backend.h 
> b/include/hw/virtio/vhost-backend.h
> index 8475c5a29d..e732d2e702 100644
> --- a/include/hw/virtio/vhost-backend.h
> +++ b/include/hw/virtio/vhost-backend.h
> @@ -126,6 +126,8 @@ typedef int (*vhost_get_device_id_op)(struct vhost_dev 
> *dev, uint32_t *dev_id);
>  
>  typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);
>  
> +typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev,
> +                                       int fd);
>  typedef struct VhostOps {
>      VhostBackendType backend_type;
>      vhost_backend_init vhost_backend_init;
> @@ -171,6 +173,7 @@ typedef struct VhostOps {
>      vhost_vq_get_addr_op  vhost_vq_get_addr;
>      vhost_get_device_id_op vhost_get_device_id;
>      vhost_force_iommu_op vhost_force_iommu;
> +    vhost_set_config_call_op vhost_set_config_call;
>  } VhostOps;
>  
>  extern const VhostOps user_ops;
> -- 
> 2.21.3