diff options
Diffstat (limited to 'rust/qemu-api/src')
| -rw-r--r-- | rust/qemu-api/src/qdev.rs | 2 | ||||
| -rw-r--r-- | rust/qemu-api/src/qom.rs | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/rust/qemu-api/src/qdev.rs b/rust/qemu-api/src/qdev.rs index 3a7aa4d..c4dd26b 100644 --- a/rust/qemu-api/src/qdev.rs +++ b/rust/qemu-api/src/qdev.rs @@ -86,7 +86,7 @@ unsafe extern "C" fn rust_resettable_exit_fn<T: ResettablePhasesImpl>( } /// Trait providing the contents of [`DeviceClass`]. -pub trait DeviceImpl: ObjectImpl + ResettablePhasesImpl { +pub trait DeviceImpl: ObjectImpl + ResettablePhasesImpl + IsA<DeviceState> { /// _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). diff --git a/rust/qemu-api/src/qom.rs b/rust/qemu-api/src/qom.rs index 3d5ab2d..10ce359 100644 --- a/rust/qemu-api/src/qom.rs +++ b/rust/qemu-api/src/qom.rs @@ -37,6 +37,8 @@ //! * a trait for virtual method implementations, for example `DeviceImpl`. //! Child classes implement this trait to provide their own behavior for //! virtual methods. The trait's methods take `&self` to access instance data. +//! The traits have the appropriate specialization of `IsA<>` as a supertrait, +//! for example `IsA<DeviceState>` for `DeviceImpl`. //! //! * an implementation of [`ClassInitImpl`], for example //! `ClassInitImpl<DeviceClass>`. This fills the vtable in the class struct; @@ -497,7 +499,7 @@ impl<T: ObjectType> ObjectDeref for &mut T {} impl<T: ObjectType> ObjectCastMut for &mut T {} /// Trait a type must implement to be registered with QEMU. -pub trait ObjectImpl: ObjectType + ClassInitImpl<Self::Class> { +pub trait ObjectImpl: ObjectType + ClassInitImpl<Self::Class> + IsA<Object> { /// The parent of the type. This should match the first field of the /// struct that implements `ObjectImpl`, minus the `ParentField<_>` wrapper. type ParentType: ObjectType; |