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envelope-from=lulu@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/22 01:27:42 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mhabets@solarflare.com, qemu-devel@nongnu.org, rob.miller@broadcom.com, saugatm@xilinx.com, lulu@redhat.com, hanand@xilinx.com, hch@infradead.org, eperezma@redhat.com, jgg@mellanox.com, shahafs@mellanox.com, kevin.tian@intel.com, parav@mellanox.com, vmireyno@marvell.com, cunming.liang@intel.com, gdawar@xilinx.com, jiri@mellanox.com, xiao.w.wang@intel.com, stefanha@redhat.com, zhihong.wang@intel.com, aadam@redhat.com, rdunlap@infradead.org, maxime.coquelin@redhat.com, lingshan.zhu@intel.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" use the vhost_dev_start callback to send the status to backend Signed-off-by: Cindy Lu --- hw/virtio/vhost.c | 17 +++++++++++++++++ include/hw/virtio/vhost.h | 2 ++ 2 files changed, 19 insertions(+) diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 01ebe12f28..bfd7f9ce1f 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -744,6 +744,7 @@ static void vhost_iommu_region_del(MemoryListener *listener, } } + static int vhost_virtqueue_set_addr(struct vhost_dev *dev, struct vhost_virtqueue *vq, unsigned idx, bool enable_log) @@ -1661,6 +1662,11 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) } } + r = vhost_set_start(hdev, true); + if (r) { + goto fail_log; + } + if (vhost_dev_has_iommu(hdev)) { hdev->vhost_ops->vhost_set_iotlb_callback(hdev, true); @@ -1697,6 +1703,8 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev) /* should only be called after backend is connected */ assert(hdev->vhost_ops); + vhost_set_start(hdev, false); + for (i = 0; i < hdev->nvqs; ++i) { vhost_virtqueue_stop(hdev, vdev, @@ -1722,3 +1730,12 @@ int vhost_net_set_backend(struct vhost_dev *hdev, return -1; } + +int vhost_set_start(struct vhost_dev *hdev, bool started) +{ + + if (hdev->vhost_ops->vhost_dev_start) { + hdev->vhost_ops->vhost_dev_start(hdev, started); + } + return 0; +} diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 085450c6f8..59ea53f8c2 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -92,6 +92,7 @@ struct vhost_dev { const VhostDevConfigOps *config_ops; }; + int vhost_dev_init(struct vhost_dev *hdev, void *opaque, VhostBackendType backend_type, uint32_t busyloop_timeout); @@ -137,4 +138,5 @@ int vhost_dev_set_inflight(struct vhost_dev *dev, struct vhost_inflight *inflight); int vhost_dev_get_inflight(struct vhost_dev *dev, uint16_t queue_size, struct vhost_inflight *inflight); +int vhost_set_start(struct vhost_dev *dev, bool started); #endif