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-rw-r--r--MAINTAINERS1
-rw-r--r--rust/helpers/dma.c16
-rw-r--r--rust/helpers/helpers.c1
3 files changed, 18 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 96b827049501..bec614ef35d9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7020,6 +7020,7 @@ L: rust-for-linux@vger.kernel.org
S: Supported
W: https://rust-for-linux.com
T: git https://github.com/Rust-for-Linux/linux.git alloc-next
+F: rust/helpers/dma.c
F: rust/kernel/dma.rs
F: samples/rust/rust_dma.rs
diff --git a/rust/helpers/dma.c b/rust/helpers/dma.c
new file mode 100644
index 000000000000..df8b8a77355a
--- /dev/null
+++ b/rust/helpers/dma.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/dma-mapping.h>
+
+void *rust_helper_dma_alloc_attrs(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag,
+ unsigned long attrs)
+{
+ return dma_alloc_attrs(dev, size, dma_handle, flag, attrs);
+}
+
+void rust_helper_dma_free_attrs(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_handle, unsigned long attrs)
+{
+ dma_free_attrs(dev, size, cpu_addr, dma_handle, attrs);
+}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index e1c21eba9b15..1e7c84df7252 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -14,6 +14,7 @@
#include "cpumask.c"
#include "cred.c"
#include "device.c"
+#include "dma.c"
#include "err.c"
#include "fs.c"
#include "io.c"