Commit fe3dc04e authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Michael S. Tsirkin
Browse files

virtio: add helper virtio_find_vqs_ctx_size() 



Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify
the maximum size of each vq ring.

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-37-xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent fbed86ab

include/linux/virtio_config.h

+12 −0
Original line number Diff line number Diff line
@@ -241,6 +241,18 @@ 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