rust: qdev: make ObjectImpl a supertrait of DeviceImpl
In practice it has to be implemented always in order to access an
implementation of ClassInitImpl<ObjectClass>. Make the relationship
explicit in the code.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/rust/qemu-api/src/qdev.rs b/rust/qemu-api/src/qdev.rs
index 176c69a..34d24da 100644
--- a/rust/qemu-api/src/qdev.rs
+++ b/rust/qemu-api/src/qdev.rs
@@ -17,12 +17,12 @@
callbacks::FnCall,
cell::bql_locked,
prelude::*,
- qom::{ClassInitImpl, ObjectClass, Owned},
+ qom::{ClassInitImpl, ObjectClass, ObjectImpl, Owned},
vmstate::VMStateDescription,
};
/// Trait providing the contents of [`DeviceClass`].
-pub trait DeviceImpl {
+pub trait DeviceImpl: ObjectImpl {
/// _Realization_ is the second stage of device creation. It contains
/// all operations that depend on device properties and can fail (note:
/// this is not yet supported for Rust devices).
