From 4ed4da164c957a4475b9d075206f33113a69abda Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 31 Oct 2024 11:29:42 +0100 Subject: rust: add bindings for interrupt sources The InterruptSource bindings let us call qemu_set_irq() and sysbus_init_irq() as safe code. Interrupt sources, qemu_irq in C code, are pointers to IRQState objects. They are QOM link properties and can be written to outside the control of the device (i.e. from a shared reference); therefore they must be interior-mutable in Rust. Since thread-safety is provided by the BQL, what we want here is the newly-introduced BqlCell. A pointer to the contents of the BqlCell (an IRQState**, or equivalently qemu_irq*) is then passed to the C sysbus_init_irq function. Signed-off-by: Paolo Bonzini --- rust/qemu-api/src/lib.rs | 2 ++ 1 file changed, 2 insertions(+) (limited to 'rust/qemu-api/src/lib.rs') diff --git a/rust/qemu-api/src/lib.rs b/rust/qemu-api/src/lib.rs index e5956cd5eb..0efbef4744 100644 --- a/rust/qemu-api/src/lib.rs +++ b/rust/qemu-api/src/lib.rs @@ -16,7 +16,9 @@ pub mod c_str; pub mod cell; pub mod definitions; pub mod device_class; +pub mod irq; pub mod offset_of; +pub mod sysbus; pub mod vmstate; pub mod zeroable; -- cgit 1.4.1