vhost: introduce new VhostOps vhost_vq_get_addr

This patch introduces new VhostOps vhost_vq_get_addr_op callback to get
the vring addr from the backend

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-9-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Cindy Lu 2020-07-01 22:55:32 +08:00 committed by Michael S. Tsirkin
parent ca71db438b
commit 35f20bb769
1 changed files with 6 additions and 0 deletions

View File

@ -34,6 +34,7 @@ struct vhost_vring_state;
struct vhost_vring_addr;
struct vhost_scsi_target;
struct vhost_iotlb_msg;
struct vhost_virtqueue;
typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
@ -113,6 +114,10 @@ typedef int (*vhost_set_inflight_fd_op)(struct vhost_dev *dev,
struct vhost_inflight *inflight);
typedef int (*vhost_dev_start_op)(struct vhost_dev *dev, bool started);
typedef int (*vhost_vq_get_addr_op)(struct vhost_dev *dev,
struct vhost_vring_addr *addr,
struct vhost_virtqueue *vq);
typedef struct VhostOps {
VhostBackendType backend_type;
vhost_backend_init vhost_backend_init;
@ -154,6 +159,7 @@ typedef struct VhostOps {
vhost_get_inflight_fd_op vhost_get_inflight_fd;
vhost_set_inflight_fd_op vhost_set_inflight_fd;
vhost_dev_start_op vhost_dev_start;
vhost_vq_get_addr_op vhost_vq_get_addr;
} VhostOps;
extern const VhostOps user_ops;