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authorJason Wang <jasowang@redhat.com>2025-08-21 14:46:33 +0800
committerMichael S. Tsirkin <mst@redhat.com>2025-10-01 07:24:43 -0400
commit7d096cb3e16f09d9762ae8cef897cdbc13a40029 (patch)
tree794a023f2e09f7cd3de6d0198663519157cb8b15 /include/linux
parent642d82e3c3f0166a0742f65356c4358c4936a1ca (diff)
virtio_ring: constify virtqueue pointer for DMA helpers
This patch constifies the virtqueue pointer for DMA helpers. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Reviewed-by: Eugenio Pérez <eperezma@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20250821064641.5025-2-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/virtio.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index db31fc6f4f1f..eab71a440fba 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -262,18 +262,18 @@ void unregister_virtio_driver(struct virtio_driver *drv);
module_driver(__virtio_driver, register_virtio_driver, \
unregister_virtio_driver)
-dma_addr_t virtqueue_dma_map_single_attrs(struct virtqueue *_vq, void *ptr, size_t size,
+dma_addr_t virtqueue_dma_map_single_attrs(const struct virtqueue *_vq, void *ptr, size_t size,
enum dma_data_direction dir, unsigned long attrs);
-void virtqueue_dma_unmap_single_attrs(struct virtqueue *_vq, dma_addr_t addr,
+void virtqueue_dma_unmap_single_attrs(const struct virtqueue *_vq, dma_addr_t addr,
size_t size, enum dma_data_direction dir,
unsigned long attrs);
-int virtqueue_dma_mapping_error(struct virtqueue *_vq, dma_addr_t addr);
+int virtqueue_dma_mapping_error(const struct virtqueue *_vq, dma_addr_t addr);
-bool virtqueue_dma_need_sync(struct virtqueue *_vq, dma_addr_t addr);
-void virtqueue_dma_sync_single_range_for_cpu(struct virtqueue *_vq, dma_addr_t addr,
+bool virtqueue_dma_need_sync(const struct virtqueue *_vq, dma_addr_t addr);
+void virtqueue_dma_sync_single_range_for_cpu(const struct virtqueue *_vq, dma_addr_t addr,
unsigned long offset, size_t size,
enum dma_data_direction dir);
-void virtqueue_dma_sync_single_range_for_device(struct virtqueue *_vq, dma_addr_t addr,
+void virtqueue_dma_sync_single_range_for_device(const struct virtqueue *_vq, dma_addr_t addr,
unsigned long offset, size_t size,
enum dma_data_direction dir);