diff options
Diffstat (limited to 'include/hw/virtio/vhost.h')
| -rw-r--r-- | include/hw/virtio/vhost.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index bb4b58e..66be6af 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -1,6 +1,7 @@ #ifndef VHOST_H #define VHOST_H +#include "net/vhost_net.h" #include "hw/virtio/vhost-backend.h" #include "hw/virtio/virtio.h" #include "system/memory.h" @@ -143,6 +144,10 @@ struct vhost_net { struct vhost_dev dev; struct vhost_virtqueue vqs[2]; int backend; + const int *feature_bits; + int max_tx_queue_size; + SaveAcketFeatures *save_acked_features; + bool is_vhost_user; NetClientState *nc; }; @@ -232,8 +237,25 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings); * Stop the vhost device. After the device is stopped the notifiers * can be disabled (@vhost_dev_disable_notifiers) and the device can * be torn down (@vhost_dev_cleanup). + * + * Return: 0 on success, != 0 on error when stopping dev. + */ +int vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings); + +/** + * vhost_dev_force_stop() - force stop the vhost device + * @hdev: common vhost_dev structure + * @vdev: the VirtIODevice structure + * @vrings: true to have vrings disabled in this call + * + * Force stop the vhost device. After the device is stopped the notifiers + * can be disabled (@vhost_dev_disable_notifiers) and the device can + * be torn down (@vhost_dev_cleanup). Unlike @vhost_dev_stop, this doesn't + * attempt to flush in-flight backend requests by skipping GET_VRING_BASE + * entirely. */ -void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings); +int vhost_dev_force_stop(struct vhost_dev *hdev, VirtIODevice *vdev, + bool vrings); /** * DOC: vhost device configuration handling @@ -333,8 +355,8 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t iova, int write); int vhost_virtqueue_start(struct vhost_dev *dev, struct VirtIODevice *vdev, struct vhost_virtqueue *vq, unsigned idx); -void vhost_virtqueue_stop(struct vhost_dev *dev, struct VirtIODevice *vdev, - struct vhost_virtqueue *vq, unsigned idx); +int vhost_virtqueue_stop(struct vhost_dev *dev, struct VirtIODevice *vdev, + struct vhost_virtqueue *vq, unsigned idx); void vhost_dev_reset_inflight(struct vhost_inflight *inflight); void vhost_dev_free_inflight(struct vhost_inflight *inflight); |