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From: Zhao Liu <zhao1.liu@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-rust@nongnu.org,
	Zhao Liu <zhao1.liu@intel.com>
Subject: [PATCH 08/12] rust/qdev: Support property info for more common types
Date: Tue, 16 Sep 2025 16:55:53 +0800	[thread overview]
Message-ID: <20250916085557.2008344-9-zhao1.liu@intel.com> (raw)
In-Reply-To: <20250916085557.2008344-1-zhao1.liu@intel.com>

Add a helper macro to implement QDevProp trait for u8/u16/u32/usize/i32
/i64.

Signed-off-by: Zhao Liu <zhao1.liu@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 d887046d8de1..b57dc05ebb0e 100644
--- a/rust/hw/core/src/qdev.rs
+++ b/rust/hw/core/src/qdev.rs
@@ -134,20 +134,24 @@ pub unsafe trait QDevProp {
     const BASE_INFO: *const bindings::PropertyInfo;
 }
 
-/// Use [`bindings::qdev_prop_bool`] for `bool`.
-unsafe impl QDevProp for bool {
-    const BASE_INFO: *const bindings::PropertyInfo = addr_of!(bindings::qdev_prop_bool);
-}
-
-/// Use [`bindings::qdev_prop_uint64`] for `u64`.
-unsafe impl QDevProp for u64 {
-    const BASE_INFO: *const bindings::PropertyInfo = addr_of!(bindings::qdev_prop_uint64);
+macro_rules! impl_qdev_prop {
+    ($type:ty,$info:ident) => {
+        unsafe impl $crate::qdev::QDevProp for $type {
+            const BASE_INFO: *const $crate::bindings::PropertyInfo =
+                addr_of!($crate::bindings::$info);
+        }
+    };
 }
 
-/// Use [`bindings::qdev_prop_chr`] for [`chardev::CharBackend`].
-unsafe impl QDevProp for chardev::CharBackend {
-    const BASE_INFO: *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.
 ///
-- 
2.34.1



  parent reply	other threads:[~2025-09-16  8:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-16  8:55 [PATCH 00/12] rust: miscellaneous cleanup & HPET #property conversion Zhao Liu
2025-09-16  8:55 ` [PATCH 01/12] subprojects: Update .gitignore for proc-macro2 and syn Zhao Liu
2025-09-16  9:58   ` Manos Pitsidianakis
2025-09-17  6:43     ` Zhao Liu
2025-09-16  8:55 ` [PATCH 02/12] subprojects: Ignore .wraplock file generated by meson v1.9.0 Zhao Liu
2025-09-16  9:59   ` Manos Pitsidianakis
2025-09-16  8:55 ` [PATCH 03/12] rust/qemu-macros: Fix Clippy's complaints about lambda parameter naming Zhao Liu
2025-09-16 10:00   ` Manos Pitsidianakis
2025-09-16  8:55 ` [PATCH 04/12] rust/common/uninit: Fix Clippy's complaints about lifetime Zhao Liu
2025-09-16 10:00   ` Manos Pitsidianakis
2025-09-16  8:55 ` [PATCH 05/12] rust/qdev: use addr_of! in QDevProp Zhao Liu
2025-09-16  8:55 ` [PATCH 06/12] rust/qdev: Refine the documentation for QDevProp trait Zhao Liu
2025-09-16  8:55 ` [PATCH 07/12] rust/qdev: Rename PropertyInfo field from VALUE to BASE_INFO Zhao Liu
2025-09-16 10:10   ` Manos Pitsidianakis
2025-09-17  6:46     ` Zhao Liu
2025-09-16  8:55 ` Zhao Liu [this message]
2025-09-16 10:13   ` [PATCH 08/12] rust/qdev: Support property info for more common types Manos Pitsidianakis
2025-09-17  7:13     ` Zhao Liu
2025-09-16  8:55 ` [PATCH 09/12] rust/qdev: Support bit property in #property macro Zhao Liu
2025-09-16 10:16   ` Manos Pitsidianakis
2025-09-17  7:25     ` Zhao Liu
2025-09-17 11:40       ` Paolo Bonzini
2025-09-17  9:14   ` Paolo Bonzini
2025-09-16  8:55 ` [PATCH 10/12] rust/hpet: Clean up type mismatch for num_timers property Zhao Liu
2025-09-16  8:55 ` [PATCH 11/12] rust/hpet: Convert qdev properties to #property macro Zhao Liu
2025-09-16 10:19   ` Manos Pitsidianakis
2025-09-16  8:55 ` [PATCH 12/12] rust/qdev: Drop declare_properties & define_property macros Zhao Liu
2025-09-16 10:19   ` Manos Pitsidianakis

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