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rust: scatterlist: add __rust_helper to helpers

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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-v1-36-a2e13cbc17a6@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Alice Ryhl 2025-12-02 19:38:00 +00:00 • committed by Danilo Krummrich
parent 74ca60bd85
commit e4b3118b61
1 changed files with 7 additions and 5 deletions
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12
rust/helpers/scatterlist.c
View file

@ -2,23 +2,25 @@
#include <linux/dma-direction.h>
dma_addr_t rust_helper_sg_dma_address(struct scatterlist *sg)
__rust_helper dma_addr_t rust_helper_sg_dma_address(struct scatterlist *sg)
{
return sg_dma_address(sg);
}
unsigned int rust_helper_sg_dma_len(struct scatterlist *sg)
__rust_helper unsigned int rust_helper_sg_dma_len(struct scatterlist *sg)
{
return sg_dma_len(sg);
}
struct scatterlist *rust_helper_sg_next(struct scatterlist *sg)
__rust_helper struct scatterlist *rust_helper_sg_next(struct scatterlist *sg)
{
return sg_next(sg);
}
void rust_helper_dma_unmap_sgtable(struct device *dev, struct sg_table *sgt,
enum dma_data_direction dir, unsigned long attrs)
__rust_helper void rust_helper_dma_unmap_sgtable(struct device *dev,
struct sg_table *sgt,
enum dma_data_direction dir,
unsigned long attrs)
{
return dma_unmap_sgtable(dev, sgt, dir, attrs);
}