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Message-ID: <20251202-define-rust-helper-v1-19-a2e13cbc17a6@google.com>
Date: Tue, 02 Dec 2025 19:37:43 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>,
Danilo Krummrich <dakr@...nel.org>, Daniel Almeida <daniel.almeida@...labora.com>,
Miguel Ojeda <ojeda@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
FUJITA Tomonori <fujita.tomonori@...il.com>
Subject: [PATCH 19/46] rust: io: add __rust_helper to helpers
This is needed to inline these helpers into Rust code.
Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: Danilo Krummrich <dakr@...nel.org>
Cc: Daniel Almeida <daniel.almeida@...labora.com>
Cc: Miguel Ojeda <ojeda@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: FUJITA Tomonori <fujita.tomonori@...il.com>
---
rust/helpers/io.c | 64 +++++++++++++++++++++++++++++--------------------------
1 file changed, 34 insertions(+), 30 deletions(-)
diff --git a/rust/helpers/io.c b/rust/helpers/io.c
index c475913c69e647b1042e8e7d66b9148d892947a1..397810864a243958b23c0a6f530e2705ca5e909c 100644
--- a/rust/helpers/io.c
+++ b/rust/helpers/io.c
@@ -3,140 +3,144 @@
#include <linux/io.h>
#include <linux/ioport.h>
-void __iomem *rust_helper_ioremap(phys_addr_t offset, size_t size)
+__rust_helper void __iomem *rust_helper_ioremap(phys_addr_t offset, size_t size)
{
return ioremap(offset, size);
}
-void __iomem *rust_helper_ioremap_np(phys_addr_t offset, size_t size)
+__rust_helper void __iomem *rust_helper_ioremap_np(phys_addr_t offset,
+ size_t size)
{
return ioremap_np(offset, size);
}
-void rust_helper_iounmap(void __iomem *addr)
+__rust_helper void rust_helper_iounmap(void __iomem *addr)
{
iounmap(addr);
}
-u8 rust_helper_readb(const void __iomem *addr)
+__rust_helper u8 rust_helper_readb(const void __iomem *addr)
{
return readb(addr);
}
-u16 rust_helper_readw(const void __iomem *addr)
+__rust_helper u16 rust_helper_readw(const void __iomem *addr)
{
return readw(addr);
}
-u32 rust_helper_readl(const void __iomem *addr)
+__rust_helper u32 rust_helper_readl(const void __iomem *addr)
{
return readl(addr);
}
#ifdef CONFIG_64BIT
-u64 rust_helper_readq(const void __iomem *addr)
+__rust_helper u64 rust_helper_readq(const void __iomem *addr)
{
return readq(addr);
}
#endif
-void rust_helper_writeb(u8 value, void __iomem *addr)
+__rust_helper void rust_helper_writeb(u8 value, void __iomem *addr)
{
writeb(value, addr);
}
-void rust_helper_writew(u16 value, void __iomem *addr)
+__rust_helper void rust_helper_writew(u16 value, void __iomem *addr)
{
writew(value, addr);
}
-void rust_helper_writel(u32 value, void __iomem *addr)
+__rust_helper void rust_helper_writel(u32 value, void __iomem *addr)
{
writel(value, addr);
}
#ifdef CONFIG_64BIT
-void rust_helper_writeq(u64 value, void __iomem *addr)
+__rust_helper void rust_helper_writeq(u64 value, void __iomem *addr)
{
writeq(value, addr);
}
#endif
-u8 rust_helper_readb_relaxed(const void __iomem *addr)
+__rust_helper u8 rust_helper_readb_relaxed(const void __iomem *addr)
{
return readb_relaxed(addr);
}
-u16 rust_helper_readw_relaxed(const void __iomem *addr)
+__rust_helper u16 rust_helper_readw_relaxed(const void __iomem *addr)
{
return readw_relaxed(addr);
}
-u32 rust_helper_readl_relaxed(const void __iomem *addr)
+__rust_helper u32 rust_helper_readl_relaxed(const void __iomem *addr)
{
return readl_relaxed(addr);
}
#ifdef CONFIG_64BIT
-u64 rust_helper_readq_relaxed(const void __iomem *addr)
+__rust_helper u64 rust_helper_readq_relaxed(const void __iomem *addr)
{
return readq_relaxed(addr);
}
#endif
-void rust_helper_writeb_relaxed(u8 value, void __iomem *addr)
+__rust_helper void rust_helper_writeb_relaxed(u8 value, void __iomem *addr)
{
writeb_relaxed(value, addr);
}
-void rust_helper_writew_relaxed(u16 value, void __iomem *addr)
+__rust_helper void rust_helper_writew_relaxed(u16 value, void __iomem *addr)
{
writew_relaxed(value, addr);
}
-void rust_helper_writel_relaxed(u32 value, void __iomem *addr)
+__rust_helper void rust_helper_writel_relaxed(u32 value, void __iomem *addr)
{
writel_relaxed(value, addr);
}
#ifdef CONFIG_64BIT
-void rust_helper_writeq_relaxed(u64 value, void __iomem *addr)
+__rust_helper void rust_helper_writeq_relaxed(u64 value, void __iomem *addr)
{
writeq_relaxed(value, addr);
}
#endif
-resource_size_t rust_helper_resource_size(struct resource *res)
+__rust_helper resource_size_t rust_helper_resource_size(struct resource *res)
{
return resource_size(res);
}
-struct resource *rust_helper_request_mem_region(resource_size_t start,
- resource_size_t n,
- const char *name)
+__rust_helper struct resource *
+rust_helper_request_mem_region(resource_size_t start, resource_size_t n,
+ const char *name)
{
return request_mem_region(start, n, name);
}
-void rust_helper_release_mem_region(resource_size_t start, resource_size_t n)
+__rust_helper void rust_helper_release_mem_region(resource_size_t start,
+ resource_size_t n)
{
release_mem_region(start, n);
}
-struct resource *rust_helper_request_region(resource_size_t start,
- resource_size_t n, const char *name)
+__rust_helper struct resource *rust_helper_request_region(resource_size_t start,
+ resource_size_t n,
+ const char *name)
{
return request_region(start, n, name);
}
-struct resource *rust_helper_request_muxed_region(resource_size_t start,
- resource_size_t n,
- const char *name)
+__rust_helper struct resource *
+rust_helper_request_muxed_region(resource_size_t start, resource_size_t n,
+ const char *name)
{
return request_muxed_region(start, n, name);
}
-void rust_helper_release_region(resource_size_t start, resource_size_t n)
+__rust_helper void rust_helper_release_region(resource_size_t start,
+ resource_size_t n)
{
release_region(start, n);
}
--
2.52.0.158.g65b55ccf14-goog
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