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[PATCH v4 07/14] vhost: implement vhost_dev_start method
From: |
Cindy Lu |
Subject: |
[PATCH v4 07/14] vhost: implement vhost_dev_start method |
Date: |
Wed, 1 Jul 2020 22:55:31 +0800 |
use the vhost_dev_start callback to send the status to backend
Signed-off-by: Cindy Lu <lulu@redhat.com>
---
hw/virtio/vhost.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 10304b583e..32809e54b5 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1685,7 +1685,12 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice
*vdev)
goto fail_log;
}
}
-
+ if (hdev->vhost_ops->vhost_dev_start) {
+ r = hdev->vhost_ops->vhost_dev_start(hdev, true);
+ if (r) {
+ goto fail_log;
+ }
+ }
if (vhost_dev_has_iommu(hdev) &&
hdev->vhost_ops->vhost_set_iotlb_callback) {
hdev->vhost_ops->vhost_set_iotlb_callback(hdev, true);
@@ -1723,6 +1728,9 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice
*vdev)
/* should only be called after backend is connected */
assert(hdev->vhost_ops);
+ if (hdev->vhost_ops->vhost_dev_start) {
+ hdev->vhost_ops->vhost_dev_start(hdev, false);
+ }
for (i = 0; i < hdev->nvqs; ++i) {
vhost_virtqueue_stop(hdev,
vdev,
--
2.21.1
- [PATCH v4 00/14]vDPA support in qemu, Cindy Lu, 2020/07/01
- [PATCH v4 01/14] net: introduce qemu_get_peer, Cindy Lu, 2020/07/01
- [PATCH v4 02/14] vhost_net: use the function qemu_get_peer, Cindy Lu, 2020/07/01
- [PATCH v4 03/14] virtio-bus: introduce queue_enabled method, Cindy Lu, 2020/07/01
- [PATCH v4 04/14] virtio-pci: implement queue_enabled method, Cindy Lu, 2020/07/01
- [PATCH v4 05/14] vhost: check the existence of vhost_set_iotlb_callback, Cindy Lu, 2020/07/01
- [PATCH v4 06/14] vhost: introduce new VhostOps vhost_dev_start, Cindy Lu, 2020/07/01
- [PATCH v4 07/14] vhost: implement vhost_dev_start method,
Cindy Lu <=
- [PATCH v4 08/14] vhost: introduce new VhostOps vhost_vq_get_addr, Cindy Lu, 2020/07/01
- [PATCH v4 09/14] vhost: implement vhost_vq_get_addr method, Cindy Lu, 2020/07/01
- [PATCH v4 10/14] vhost: introduce new VhostOps vhost_force_iommu, Cindy Lu, 2020/07/01
- [PATCH v4 11/14] vhost: implement vhost_force_iommu method, Cindy Lu, 2020/07/01
- [PATCH v4 12/14] vhost_net: introduce set_config & get_config, Cindy Lu, 2020/07/01
- [PATCH v4 14/14] vhost-vdpa: introduce vhost-vdpa net client, Cindy Lu, 2020/07/01
- [PATCH v4 13/14] vhost-vdpa: introduce vhost-vdpa backend, Cindy Lu, 2020/07/01
- Re: [PATCH v4 00/14]vDPA support in qemu, Jason Wang, 2020/07/03