Re: [PATCH 1/2] qdev: change qdev_prop_set_globals() to use Object*

["Daniel P. Berrangé" <berrange@redhat.com>]

On Wed, Jul 03, 2024 at 06:46:25AM -0300, Daniel Henrique Barboza wrote:
> Next patch will add Accel globals support and will use
> qdev_prop_set_globals().
> 
> At this moment this function is hardwired to be used with DeviceState.
> dev->hotplugged is checked to determine if object_apply_global_props()
> will receive a NULL or an &error_fatal errp.
> 
> Change qdev_prop_set_globals() to receive an Object and an errp. The
> logic using dev->hotplugged is moved to the caller, device_post_init().
> 
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> ---
>  hw/core/qdev-properties.c    | 5 ++---
>  hw/core/qdev.c               | 2 +-
>  include/hw/qdev-properties.h | 2 +-
>  3 files changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
> index 86a583574d..4867d7dd9e 100644
> --- a/hw/core/qdev-properties.c
> +++ b/hw/core/qdev-properties.c
> @@ -920,10 +920,9 @@ int qdev_prop_check_globals(void)
>      return ret;
>  }
>  
> -void qdev_prop_set_globals(DeviceState *dev)
> +void qdev_prop_set_globals(Object *obj, Error **errp)
>  {
> -    object_apply_global_props(OBJECT(dev), global_props(),
> -                              dev->hotplugged ? NULL : &error_fatal);
> +    object_apply_global_props(obj, global_props(), errp);
>  }

If you're going to make this work on Object, instead fo merely
DeviceState, then all this globals functionality should be
moved into qom/object.c, and the methods renamed, as it is no
longer qdev logic.

>  
>  /* --- 64bit unsigned int 'size' type --- */
> diff --git a/hw/core/qdev.c b/hw/core/qdev.c
> index f3a996f57d..923f9ca74c 100644
> --- a/hw/core/qdev.c
> +++ b/hw/core/qdev.c
> @@ -673,7 +673,7 @@ static void device_post_init(Object *obj)
>       * precedence.
>       */
>      object_apply_compat_props(obj);
> -    qdev_prop_set_globals(DEVICE(obj));
> +    qdev_prop_set_globals(obj, DEVICE(obj)->hotplugged ? NULL : &error_fatal);
>  }
>  
>  /* Unlink device from bus and free the structure.  */
> diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
> index 09aa04ca1e..a1737bf4d8 100644
> --- a/include/hw/qdev-properties.h
> +++ b/include/hw/qdev-properties.h
> @@ -210,7 +210,7 @@ void qdev_prop_register_global(GlobalProperty *prop);
>  const GlobalProperty *qdev_find_global_prop(Object *obj,
>                                              const char *name);
>  int qdev_prop_check_globals(void);
> -void qdev_prop_set_globals(DeviceState *dev);
> +void qdev_prop_set_globals(Object *obj, Error **errp);
>  void error_set_from_qdev_prop_error(Error **errp, int ret, Object *obj,
>                                      const char *name, const char *value);
>  
> -- 
> 2.45.2
> 

With regards,
Daniel
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