Il 23/09/2014 05:09, Gonglei (Arei) ha scritto: > Hi, > >>>>>> This doesn't change the fact that ObjectProperty is a generic struct, >>>>>> and adding alias-specific fields there is wrong. >>>>> >>>>> OK, Maybe I should find other ways to attach this purpose and >>>>> avoid layering violation. Thanks! >>>> >>>> Unfortunately I cannot think of any. >>>> >>>> We could add a description field to ObjectProperty, and replace >>>> legacy_name with a description. The output then would be >>>> >>>> virtio-blk.drive=str (drive) > > There is a question that the QOM properties are added dynamically. > When we call qdev_alias_all_properties() adding alias properties to > the source object all qdev properties on the target DeviceState, how do we > judge the property's name and set the value of corresponding description > field? > Such as setting virtio-blk-pci.drive.description = "drive".
You use the legacy_name field of PropertyInfo to set the description of a qdev property, and then let object_property_add_alias() copy the description. Paolo
