From: Asahi Lina <l...@asahilina.net>
This is just for basic usage in the DRM shmem abstractions for implied
locking, not intended as a full DMA Reservation abstraction yet.
Signed-off-by: Asahi Lina <l...@asahilina.net>
---
rust/bindings/bindings_helper.h | 1 +
rust/helpers/dma-resv.c | 13 +++++++++++++
rust/helpers/helpers.c | 1 +
3 files changed, 15 insertions(+)
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index
e6020ba5b00237a08402fbd609c7fba27b970dd9..68d7be498a6d523797e54212d6c23ff4d8f2e92d
100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -18,6 +18,7 @@
#include <linux/blkdev.h>
#include <linux/cred.h>
#include <linux/device/faux.h>
+#include <linux/dma-resv.h>
#include <linux/errname.h>
#include <linux/ethtool.h>
#include <linux/file.h>
diff --git a/rust/helpers/dma-resv.c b/rust/helpers/dma-resv.c
new file mode 100644
index
0000000000000000000000000000000000000000..05501cb814513b483afd0b7f220230d867863c2f
--- /dev/null
+++ b/rust/helpers/dma-resv.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/dma-resv.h>
+
+int rust_helper_dma_resv_lock(struct dma_resv *obj, struct ww_acquire_ctx *ctx)
+{
+ return dma_resv_lock(obj, ctx);
+}
+
+void rust_helper_dma_resv_unlock(struct dma_resv *obj)
+{
+ dma_resv_unlock(obj);
+}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index
7a06d6bc48537248c8a3ec4243b37d8fb2b1cb26..c5e536d688bc35c7b348daa61e868c91a7bdbd23
100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -14,6 +14,7 @@
#include "build_bug.c"
#include "cred.c"
#include "device.c"
+#include "dma-resv.c"
#include "drm.c"
#include "err.c"
#include "fs.c"
--
2.49.0
