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authorXuan Zhuo <xuanzhuo@linux.alibaba.com>2022-08-01 09:38:56 +0300
committerMichael S. Tsirkin <mst@redhat.com>2022-08-11 11:06:41 +0300
commitfe3dc04e31aa51f91dc7f741a5f76cc4817eb5b4 (patch)
tree2983d288a826fc5dbb02fea006919b731deb0199
parentfbed86abba6e0472d98079790e58060e4332608a (diff)
downloadlinux-fe3dc04e31aa51f91dc7f741a5f76cc4817eb5b4.tar.xz
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: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220801063902.129329-37-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--include/linux/virtio_config.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 888f7e96f0c7..6adff09f7170 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -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