Commit 35f20bb7 authored by Cindy Lu's avatar Cindy Lu Committed by Michael S. Tsirkin
Browse files

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: default avatarCindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-9-lulu@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
parent ca71db43

include/hw/virtio/vhost-backend.h

+6 −0
Original line number Diff line number Diff line
@@ -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;