Re: [PATCH v2 08/10] qom: Add object_property_add_*_ptr_def()

Fabiano Rosas <[email protected]> Tue, 09 Jun 2026 20:21:18 -0300
Newsgroups org.nongnu.qemu-rust,org.nongnu.qemu-arm,org.nongnu.qemu-devel
Message-ID <[email protected]>
Peter Xu <[email protected]> writes:

> Add sister functions for existing pointer versions, to make it even easier
> to use by:
>
> - always make properties to be rw-able
> - allowing to specify default values
> - no retcode needed (assert on failure, always)
>
> Signed-off-by: Peter Xu <[email protected]>
> ---
>  include/qom/object-property-ptr.h | 28 +++++++++++++
>  qom/object-property-ptr.c         | 67 +++++++++++++++++++++++++++++++
>  2 files changed, 95 insertions(+)
>
> diff --git a/include/qom/object-property-ptr.h b/include/qom/object-property-ptr.h
> index be467c64af..ecd6f7819b 100644
> --- a/include/qom/object-property-ptr.h
> +++ b/include/qom/object-property-ptr.h
> @@ -131,4 +131,32 @@ object_property_add_size_ptr(Object *obj, const char *name,
>                               const uint64_t *v,
>                               ObjectPropertyFlags flags);
>  
> +/*
> + * Below are sister helpers of above, except that:
> + *
> + * (1) nothing is returned
> + * (2) always make the property to be both readable and writeable
> + * (3) allow setting default value
> + *
> + * Please refer to the sister functions for the documentation.
> + */
> +void
> +object_property_add_bool_ptr_def(Object *obj, const char *name,
> +                                 const bool *v, bool def);
> +void
> +object_property_add_uint8_ptr_def(Object *obj, const char *name,
> +                                  const uint8_t *v, uint8_t def);
> +void
> +object_property_add_uint16_ptr_def(Object *obj, const char *name,
> +                                   const uint16_t *v, uint16_t def);
> +void
> +object_property_add_uint32_ptr_def(Object *obj, const char *name,
> +                                   const uint32_t *v, uint32_t def);
> +void
> +object_property_add_uint64_ptr_def(Object *obj, const char *name,
> +                                   const uint64_t *v, uint64_t def);
> +void
> +object_property_add_size_ptr_def(Object *obj, const char *name,
> +                                 const uint64_t *v, uint64_t def);
> +
>  #endif
> diff --git a/qom/object-property-ptr.c b/qom/object-property-ptr.c
> index 21ceb2510d..ae9081d2d8 100644
> --- a/qom/object-property-ptr.c
> +++ b/qom/object-property-ptr.c
> @@ -325,3 +325,70 @@ object_property_add_size_ptr(Object *obj, const char *name,
>      return object_property_add(obj, name, "size",
>                                 getter, setter, NULL, (void *)v);
>  }
> +
> +void
> +object_property_add_bool_ptr_def(Object *obj, const char *name,
> +                                 const bool *v, bool def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_bool_ptr(obj, name, v,
> +                                        OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_bool(prop, def);
> +}
> +
> +
> +void
> +object_property_add_uint8_ptr_def(Object *obj, const char *name,
> +                                  const uint8_t *v, uint8_t def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_uint8_ptr(obj, name, v,
> +                                         OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_uint(prop, def);
> +}
> +
> +void
> +object_property_add_uint16_ptr_def(Object *obj, const char *name,
> +                                   const uint16_t *v, uint16_t def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_uint16_ptr(obj, name, v,
> +                                          OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_uint(prop, def);
> +}
> +
> +void
> +object_property_add_uint32_ptr_def(Object *obj, const char *name,
> +                                   const uint32_t *v, uint32_t def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_uint32_ptr(obj, name, v,
> +                                          OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_uint(prop, def);
> +}
> +
> +void
> +object_property_add_uint64_ptr_def(Object *obj, const char *name,
> +                                   const uint64_t *v, uint64_t def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_uint64_ptr(obj, name, v,
> +                                          OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_uint(prop, def);
> +}
> +
> +void
> +object_property_add_size_ptr_def(Object *obj, const char *name,
> +                                 const uint64_t *v, uint64_t def)
> +{
> +    ObjectProperty *prop;
> +
> +    prop = object_property_add_size_ptr(obj, name, v,
> +                                        OBJ_PROP_FLAG_READWRITE);
> +    object_property_set_default_uint(prop, def);
> +}

Reviewed-by: Fabiano Rosas <[email protected]>