rust: io: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://patch.msgid.link/20251202-define-rust-helper-v1-19-a2e13cbc17a6@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

diff --git a/rust/helpers/io.c b/rust/helpers/io.c
index c475913c69e647b1042e8e7d66b9148d892947a1..397810864a243958b23c0a6f530e2705ca5e909c 100644 (file)
--- 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);
 }