From: Zhao Liu <zhao1....@intel.com> Add a helper macro to implement QDevProp trait for u8/u16/u32/usize/i32 /i64.
Signed-off-by: Zhao Liu <zhao1....@intel.com> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> Link: https://lore.kernel.org/r/20250920160520.3699591-8-zhao1....@intel.com --- rust/hw/core/src/qdev.rs | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/rust/hw/core/src/qdev.rs b/rust/hw/core/src/qdev.rs index 2735e2b2c10..85422e0379e 100644 --- a/rust/hw/core/src/qdev.rs +++ b/rust/hw/core/src/qdev.rs @@ -134,20 +134,24 @@ pub unsafe trait QDevProp { const VALUE: *const bindings::PropertyInfo; } -/// Use [`bindings::qdev_prop_bool`] for `bool`. -unsafe impl QDevProp for bool { - const VALUE: *const bindings::PropertyInfo = addr_of!(bindings::qdev_prop_bool); +macro_rules! impl_qdev_prop { + ($type:ty,$info:ident) => { + unsafe impl $crate::qdev::QDevProp for $type { + const VALUE: *const $crate::bindings::PropertyInfo = + addr_of!($crate::bindings::$info); + } + }; } -/// Use [`bindings::qdev_prop_uint64`] for `u64`. -unsafe impl QDevProp for u64 { - const VALUE: *const bindings::PropertyInfo = addr_of!(bindings::qdev_prop_uint64); -} - -/// Use [`bindings::qdev_prop_chr`] for [`chardev::CharBackend`]. -unsafe impl QDevProp for chardev::CharBackend { - const VALUE: *const bindings::PropertyInfo = addr_of!(bindings::qdev_prop_chr); -} +impl_qdev_prop!(bool, qdev_prop_bool); +impl_qdev_prop!(u8, qdev_prop_uint8); +impl_qdev_prop!(u16, qdev_prop_uint16); +impl_qdev_prop!(u32, qdev_prop_uint32); +impl_qdev_prop!(u64, qdev_prop_uint64); +impl_qdev_prop!(usize, qdev_prop_usize); +impl_qdev_prop!(i32, qdev_prop_int32); +impl_qdev_prop!(i64, qdev_prop_int64); +impl_qdev_prop!(chardev::CharBackend, qdev_prop_chr); /// Trait to define device properties. /// -- 2.51.0
