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rust/irq: Add a helper to convert [InterruptSource] to pointer

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This is useful when taking an InterruptSource slice and passing it to C
function.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-4-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Zhao Liu 2025-02-10 11:00:44 +08:00 committed by Paolo Bonzini
parent 7f2d4181a3
commit e6f1195f55
1 changed files with 6 additions and 0 deletions
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rust/qemu-api/src/irq.rs
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@ -83,6 +83,12 @@ where
pub(crate) const fn as_ptr(&self) -> *mut *mut IRQState { pub(crate) const fn as_ptr(&self) -> *mut *mut IRQState {
self.cell.as_ptr() self.cell.as_ptr()
} }
#[allow(dead_code)]
pub(crate) const fn slice_as_ptr(slice: &[Self]) -> *mut *mut IRQState {
assert!(!slice.is_empty());
slice[0].as_ptr()
}
} }
impl Default for InterruptSource { impl Default for InterruptSource {