Commit 9b836641 authored by Asahi Lina's avatar Asahi Lina Committed by Danilo Krummrich
Browse files

rust: helpers: Add bindings/wrappers for dma_resv_lock 



This is just for basic usage in the DRM shmem abstractions for implied
locking, not intended as a full DMA Reservation abstraction yet.

Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: default avatarAsahi Lina <lina+kernel@asahilina.net>
Signed-off-by: default avatarDaniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: default avatarAlice Ryhl <aliceryhl@google.com>
Signed-off-by: default avatarLyude Paul <lyude@redhat.com>
Reviewed-by: default avatarJanne Grunau <j@jannau.net>
Reviewed-by: default avatarDaniel Almeida <daniel.almeida@collabora.com>
Acked-by: default avatarDavid Airlie <airlied@gmail.com>
Signed-off-by: default avatarAlice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260320-gpuvm-rust-v5-2-76fd44f17a87@google.com


Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
parent bdf6b22f

MAINTAINERS

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@@ -7534,6 +7534,7 @@ F: include/linux/*fence.h 
F:	include/linux/dma-buf.h

F:	include/linux/dma-buf/

F:	include/linux/dma-resv.h

F:	rust/helpers/dma-resv.c

K:	\bdma_(?:buf|fence|resv)\b









DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
































rust/bindings/bindings_helper.h



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@@ -52,6 +52,7 @@







#include <linux/device/faux.h>









#include <linux/dma-direction.h>









#include <linux/dma-mapping.h>









#include <linux/dma-resv.h>









#include <linux/errname.h>









#include <linux/ethtool.h>









#include <linux/fdtable.h>
































rust/helpers/dma-resv.c
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// SPDX-License-Identifier: GPL-2.0



















#include <linux/dma-resv.h>



















__rust_helper









int rust_helper_dma_resv_lock(struct dma_resv *obj, struct ww_acquire_ctx *ctx)









{









	return dma_resv_lock(obj, ctx);









}



















__rust_helper void rust_helper_dma_resv_unlock(struct dma_resv *obj)









{









	dma_resv_unlock(obj);









}
























rust/helpers/helpers.c



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@@ -28,6 +28,7 @@







#include "cred.c"









#include "device.c"









#include "dma.c"









#include "dma-resv.c"









#include "drm.c"









#include "err.c"









#include "irq.c"