From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 14 Feb 2025 11:05:59 +0000 (+0100)
Subject: rust: irq: wrap IRQState with Opaque<>
X-Git-Tag: v10.0.0-rc0~19^2~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9c9a6a889cb3589779b019a343892aa0e9bdb254;p=thirdparty%2Fqemu.git

rust: irq: wrap IRQState with Opaque<>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/rust/qemu-api/src/irq.rs b/rust/qemu-api/src/irq.rs
index 34c19263c23..1222d4fde30 100644
--- a/rust/qemu-api/src/irq.rs
+++ b/rust/qemu-api/src/irq.rs
@@ -8,10 +8,16 @@ use std::{ffi::CStr, marker::PhantomData, os::raw::c_int, ptr};
 
 use crate::{
     bindings::{self, qemu_set_irq},
+    cell::Opaque,
     prelude::*,
     qom::ObjectClass,
 };
 
+/// An opaque wrapper around [`bindings::IRQState`].
+#[repr(transparent)]
+#[derive(Debug, qemu_api_macros::Wrapper)]
+pub struct IRQState(Opaque<bindings::IRQState>);
+
 /// Interrupt sources are used by devices to pass changes to a value (typically
 /// a boolean).  The interrupt sink is usually an interrupt controller or
 /// GPIO controller.
@@ -21,8 +27,7 @@ use crate::{
 /// method sends a `true` value to the sink.  If the guest has to see a
 /// different polarity, that change is performed by the board between the
 /// device and the interrupt controller.
-pub type IRQState = bindings::IRQState;
-
+///
 /// Interrupts are implemented as a pointer to the interrupt "sink", which has
 /// type [`IRQState`].  A device exposes its source as a QOM link property using
 /// a function such as [`SysBusDeviceMethods::init_irq`], and
@@ -40,7 +45,7 @@ pub struct InterruptSource<T = bool>
 where
     c_int: From<T>,
 {
-    cell: BqlCell<*mut IRQState>,
+    cell: BqlCell<*mut bindings::IRQState>,
     _marker: PhantomData<T>,
 }
 
@@ -79,11 +84,11 @@ where
         }
     }
 
-    pub(crate) const fn as_ptr(&self) -> *mut *mut IRQState {
+    pub(crate) const fn as_ptr(&self) -> *mut *mut bindings::IRQState {
         self.cell.as_ptr()
     }
 
-    pub(crate) const fn slice_as_ptr(slice: &[Self]) -> *mut *mut IRQState {
+    pub(crate) const fn slice_as_ptr(slice: &[Self]) -> *mut *mut bindings::IRQState {
         assert!(!slice.is_empty());
         slice[0].as_ptr()
     }
diff --git a/rust/qemu-api/src/sysbus.rs b/rust/qemu-api/src/sysbus.rs
index 04821a2b9b3..48803a655f9 100644
--- a/rust/qemu-api/src/sysbus.rs
+++ b/rust/qemu-api/src/sysbus.rs
@@ -79,6 +79,7 @@ where
     fn connect_irq(&self, id: u32, irq: &Owned<IRQState>) {
         assert!(bql_locked());
         let id: i32 = id.try_into().unwrap();
+        let irq: &IRQState = irq;
         unsafe {
             bindings::sysbus_connect_irq(self.as_mut_ptr(), id, irq.as_mut_ptr());
         }