diff options
Diffstat (limited to 'include/hw/qdev-properties.h')
| -rw-r--r-- | include/hw/qdev-properties.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index 39bf4b292e..0604c337e0 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -210,6 +210,35 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, Property *prop, const char *value); /** + * register_compat_prop: + * + * Register internal (not user-provided) global property, changing the + * default value of a given property in a device type. This can be used + * for enabling machine-type compatibility or for enabling + * accelerator-specific defaults in devices. + * + * The property values set using this function must be always valid and + * never report setter errors, as the property will have + * GlobalProperty::errp set to &error_abort. + * + * User-provided global properties should override internal global + * properties, so callers of this function should ensure that it is + * called before user-provided global properties are registered. + * + * @driver: Device type to be affected + * @property: Property whose default value is going to be changed + * @value: New default value for the property + */ +void register_compat_prop(const char *driver, const char *property, + const char *value); +/* + * register_compat_props_array(): using register_compat_prop(), which + * only registers internal global properties (which has lower priority + * than user-provided global properties) + */ +void register_compat_props_array(GlobalProperty *prop); + +/** * qdev_property_add_static: * @dev: Device to add the property to. * @prop: The qdev property definition. |