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Tsirkin" , Harpreet Singh Anand , Laurent Vivier , Shannon Nelson , Lei Yang , Dragos Tatulea Subject: [PATCH 3/7] vdpa: use virtio_ops->should_enable at vhost_vdpa_set_vrings_ready Date: Fri, 28 Jul 2023 19:20:24 +0200 Message-Id: <20230728172028.2074052-4-eperezma@redhat.com> In-Reply-To: <20230728172028.2074052-1-eperezma@redhat.com> References: <20230728172028.2074052-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This allow to skip some rings that qemu does not want to enable. Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-vdpa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index bebcc9fe7c..1281502a71 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -896,6 +896,11 @@ static int vhost_vdpa_set_vrings_ready(struct vhost_dev *dev) assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); + if (v->virtio_ops && v->virtio_ops->should_enable + && !(v->virtio_ops->should_enable(v))) { + return 0; + } + for (i = 0; i < dev->nvqs; ++i) { vhost_vdpa_set_vring_ready(v, dev->vq_index + i); }