linux-kernel - [PATCH v6 1/5] rust: module: add type `LocalModule`

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Message-ID: <20250306222336.23482-2-dakr@kernel.org>
Date: Thu,  6 Mar 2025 23:23:27 +0100
From: Danilo Krummrich <dakr@...nel.org>
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	Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH v6 1/5] rust: module: add type `LocalModule`

The `LocalModule` type is the type of the module created by `module!`,
`module_pci_driver!`, `module_platform_driver!`, etc.

Since the exact type of the module is sometimes generated on the fly by
the listed macros, provide an alias.

This is first used by the `module_firmware!` macro.

Acked-by: Miguel Ojeda <ojeda@...nel.org>
Suggested-by: Alice Ryhl <aliceryhl@...gle.com>
Signed-off-by: Danilo Krummrich <dakr@...nel.org>
---
 rust/macros/module.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index cdf94f4982df..110e59c64197 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -228,6 +228,10 @@ pub(crate) fn module(ts: TokenStream) -> TokenStream {
                 kernel::ThisModule::from_ptr(core::ptr::null_mut())
             }};
 
+            /// The `LocalModule` type is the type of the module created by `module!`,
+            /// `module_pci_driver!`, `module_platform_driver!`, etc.
+            type LocalModule = {type_};
+
             impl kernel::ModuleMetadata for {type_} {{
                 const NAME: &'static kernel::str::CStr = kernel::c_str!(\"{name}\");
             }}
-- 
2.48.1