[PATCH v11 34/40] virtio: add helper virtio_find_vqs_ctx_size()

Xuan Zhuo
2022-06-29T07:01:15Z

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@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
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 31b04ac8284b..aa6cdf353748 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -239,6 +239,18 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs,
ctx, desc);
}

+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[],
+ u32 sizes[],
+ const bool *ctx, struct irq_affinity *desc)
+{
+ return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, sizes,
+ ctx, desc);
+}
+
/**
* virtio_synchronize_cbs - synchronize with virtqueue callbacks
* @vdev: the device
--
2.31.0