Re: [PATCH v7 21/26] virtio: add helper virtio_find_vqs_ctx_size()

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在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify
the maximum size of each vq ring.

Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
---
  include/linux/virtio_config.h | 12 ++++++++++++
  1 file changed, 12 insertions(+)

diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 5157524d8036..921d8610db0c 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -233,6 +233,18 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs,
  				      desc, NULL);
  }
+static inline
+int virtio_find_vqs_ctx_size(struct virtio_device *vdev, u32 nvqs,
+				 struct virtqueue *vqs[],
+				 vq_callback_t *callbacks[],
+				 const char * const names[],
+				 const bool *ctx, struct irq_affinity *desc,
+				 u32 sizes[])
+{
+	return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, ctx,
+				      desc, sizes);
+}


Do we need to convert all the open coded direct call to find_vqs() other than net?

Thanks


+
  /**
   * virtio_reset_vq - reset a queue individually
   * @vq: the virtqueue




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