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rust: add IsA bounds to QOM implementation traits

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Check that the right bounds are provided to the qom_isa! macro
whenever the class is defined to implement a certain class.
This removes the need to add IsA<> bounds together with the
*Impl trait bounds.

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2025-02-12 12:18:10 +01:00
parent 646140dfeb
commit ac5699c5da
2 changed files with 4 additions and 2 deletions
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2
rust/qemu-api/src/qdev.rs
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@ -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).