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rust/qdev: add the macro to define bit property

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HPET device (Rust device) needs to define the bit type property.

Add a variant of define_property macro to define bit type property.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Zhao Liu 2025-02-10 11:00:43 +08:00 committed by Paolo Bonzini
parent f32352ff9e
commit 7f2d4181a3
1 changed files with 12 additions and 0 deletions
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12
rust/qemu-api/src/qdev.rs
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@ -168,6 +168,18 @@ where
#[macro_export] #[macro_export]
macro_rules! define_property { macro_rules! define_property {
($name:expr, $state:ty, $field:ident, $prop:expr, $type:ty, bit = $bitnr:expr, default = $defval:expr$(,)*) => {
$crate::bindings::Property {
// use associated function syntax for type checking
name: ::std::ffi::CStr::as_ptr($name),
info: $prop,
offset: $crate::offset_of!($state, $field) as isize,
bitnr: $bitnr,
set_default: true,
defval: $crate::bindings::Property__bindgen_ty_1 { u: $defval as u64 },
..$crate::zeroable::Zeroable::ZERO
}
};
($name:expr, $state:ty, $field:ident, $prop:expr, $type:ty, default = $defval:expr$(,)*) => { ($name:expr, $state:ty, $field:ident, $prop:expr, $type:ty, default = $defval:expr$(,)*) => {
$crate::bindings::Property { $crate::bindings::Property {
// use associated function syntax for type checking // use associated function syntax for type checking