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authorNikolay Nikolaev <n.nikolaev@virtualopensystems.com>2014-05-27 15:05:49 +0300
committerMichael S. Tsirkin <mst@redhat.com>2014-06-19 16:41:56 +0300
commit1a1bfac9ee13d76a4b257431cc4193c8a42efa19 (patch)
tree47c0d93e3931a6992f5835c5d292533e931789bf /include/hw/virtio/vhost-backend.h
parent24d1eb33eb2ccd995a845a4d4b793e2619a9e460 (diff)
downloadfocaccia-qemu-1a1bfac9ee13d76a4b257431cc4193c8a42efa19.tar.gz
focaccia-qemu-1a1bfac9ee13d76a4b257431cc4193c8a42efa19.zip
Add vhost-backend and VhostBackendType
Use vhost_set_backend_type to initialise a proper vhost_ops structure.
In vhost_net_init and vhost_net_start_one call conditionally TAP related
initialisation depending on the vhost backend type.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/virtio/vhost-backend.h')
-rw-r--r--include/hw/virtio/vhost-backend.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 14e5878318..d31768a1d4 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -11,6 +11,13 @@
 #ifndef VHOST_BACKEND_H_
 #define VHOST_BACKEND_H_
 
+typedef enum VhostBackendType {
+    VHOST_BACKEND_TYPE_NONE = 0,
+    VHOST_BACKEND_TYPE_KERNEL = 1,
+    VHOST_BACKEND_TYPE_USER = 2,
+    VHOST_BACKEND_TYPE_MAX = 3,
+} VhostBackendType;
+
 struct vhost_dev;
 
 typedef int (*vhost_call)(struct vhost_dev *dev, unsigned long int request,
@@ -19,9 +26,13 @@ typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
 typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
 
 typedef struct VhostOps {
+    VhostBackendType backend_type;
     vhost_call vhost_call;
     vhost_backend_init vhost_backend_init;
     vhost_backend_cleanup vhost_backend_cleanup;
 } VhostOps;
 
+int vhost_set_backend_type(struct vhost_dev *dev,
+                           VhostBackendType backend_type);
+
 #endif /* VHOST_BACKEND_H_ */