vdpa: Remember last call fd set
As SVQ can be enabled dynamically at any time, it needs to store call fd always. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20230303172445.1089785-3-eperezma@redhat.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -1227,16 +1227,16 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
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struct vhost_vring_file *file)
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{
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struct vhost_vdpa *v = dev->opaque;
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int vdpa_idx = file->index - dev->vq_index;
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VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx);
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/* Remember last call fd because we can switch to SVQ anytime. */
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vhost_svq_set_svq_call_fd(svq, file->fd);
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if (v->shadow_vqs_enabled) {
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int vdpa_idx = file->index - dev->vq_index;
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VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, vdpa_idx);
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vhost_svq_set_svq_call_fd(svq, file->fd);
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return 0;
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} else {
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return vhost_vdpa_set_vring_dev_call(dev, file);
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}
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return vhost_vdpa_set_vring_dev_call(dev, file);
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}
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static int vhost_vdpa_get_features(struct vhost_dev *dev,
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