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rust: re-export C types from qemu-api submodules

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Long term we do not want device code to use "bindings" at all, so make it
possible to get the relevant types from the other modules of qemu-api.

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-10-31 10:14:11 +01:00
parent 4aed0296b3
commit 716d89f9cc
5 changed files with 25 additions and 17 deletions
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12
rust/qemu-api/src/qom.rs
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@ -33,7 +33,9 @@
use std::{ffi::CStr, os::raw::c_void};
use crate::bindings::{self, Object, ObjectClass, TypeInfo};
pub use bindings::{Object, ObjectClass};
use crate::bindings::{self, TypeInfo};
unsafe extern "C" fn rust_instance_init<T: ObjectImpl>(obj: *mut Object) {
// SAFETY: obj is an instance of T, since rust_instance_init<T>
@ -164,9 +166,9 @@ pub trait ObjectImpl: ObjectType + ClassInitImpl<Self::Class> {
///
/// Each struct will implement this trait with `T` equal to each
/// superclass. For example, a device should implement at least
/// `ClassInitImpl<`[`DeviceClass`](crate::bindings::DeviceClass)`>` and
/// `ClassInitImpl<`[`ObjectClass`](crate::bindings::ObjectClass)`>`.
/// Such implementations are made in one of two ways.
/// `ClassInitImpl<`[`DeviceClass`](crate::qdev::DeviceClass)`>` and
/// `ClassInitImpl<`[`ObjectClass`]`>`. Such implementations are made
/// in one of two ways.
///
/// For most superclasses, `ClassInitImpl` is provided by the `qemu-api`
/// crate itself. The Rust implementation of methods will come from a
@ -221,7 +223,7 @@ pub trait ClassInitImpl<T> {
///
/// The virtual method implementations usually come from another
/// trait, for example [`DeviceImpl`](crate::qdev::DeviceImpl)
/// when `T` is [`DeviceClass`](crate::bindings::DeviceClass).
/// when `T` is [`DeviceClass`](crate::qdev::DeviceClass).
///
/// On entry, `klass`'s parent class is initialized, while the other fields
/// are all zero; it is therefore assumed that all fields in `T` can be