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authorPaolo Bonzini <pbonzini@redhat.com>2025-02-14 12:05:59 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2025-03-06 12:44:46 +0100
commit9c9a6a889cb3589779b019a343892aa0e9bdb254 (patch)
tree8a50cd8d2f5fd0261c511c70270650c9caf896f0 /rust/qemu-api/src
parenta32b239699377f09bba08b2e8ae0d167c1488b1f (diff)
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rust: irq: wrap IRQState with Opaque<>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'rust/qemu-api/src')
-rw-r--r--rust/qemu-api/src/irq.rs15
-rw-r--r--rust/qemu-api/src/sysbus.rs1
2 files changed, 11 insertions, 5 deletions
diff --git a/rust/qemu-api/src/irq.rs b/rust/qemu-api/src/irq.rs
index 34c1926..1222d4f 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 04821a2..48803a6 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());
}