Re: [PATCH 4/5] qom/object.h: add missing documentation for object_class_* property functions

On Fri, Jul 17, 2026 at 12:19:11PM +0100, Mark Cave-Ayland wrote:
> This is so that the object_class_* property functions appear in the generated
> QOM documentation at devel/qom-api.html.
> 
> Signed-off-by: Mark Cave-Ayland <[email protected]>
> ---
>  include/qom/object.h | 140 +++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 140 insertions(+)
> 
> diff --git a/include/qom/object.h b/include/qom/object.h
> index 11f55613fc..95fdf01e30 100644
> --- a/include/qom/object.h
> +++ b/include/qom/object.h
> @@ -1818,6 +1818,37 @@ ObjectProperty *object_property_add_link(Object *obj, const char *name,
>                                              Object *val, Error **errp),
>                                ObjectPropertyLinkFlags flags);
>  
> +/**
> + * object_class_property_add_link:
> + * @oc: the object class to add a property to
> + * @name: the name of the property
> + * @type: the qobj type of the link
> + * @offset: the offset from the object instance where the link object reference
> + *   is stored
> + * @check: callback to veto setting or NULL if the property is read-only
> + * @flags: additional options for the link
> + *
> + * Links establish relationships between objects.  Links are unidirectional
> + * although two links can be combined to form a bidirectional relationship
> + * between objects.
> + *
> + * Links form the graph in the object model.
> + *
> + * The @check() callback is invoked when object_property_set_link() is called
> + * and can raise an error to prevent the link being set. If @check is NULL, the
> + * property is read-only and cannot be set. Care must be taken to handle NULL
> + * values for @val.
> + *
> + * Ownership of the pointer that @child points to is transferred to the
> + * link property.  The reference count for *@child is
> + * managed by the property from after the function returns till the
> + * property is deleted with object_property_del().  If the
> + * @flags %OBJ_PROP_LINK_STRONG bit is set,
> + * the reference count is decremented when the property is deleted or
> + * modified.

Copy+paste mistake I presume - object_class_property_add_link does not
have a @child property, as this is only declaring the property on the
class, not setting the link's value on the object.



With regards,
Daniel
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