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Add vhost-backend and VhostBackendType

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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>
This commit is contained in:
Nikolay Nikolaev
2014-05-27 15:05:49 +03:00
committed by Michael S. Tsirkin
parent 24d1eb33eb
commit 1a1bfac9ee
9 changed files with 135 additions and 34 deletions
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11
include/hw/virtio/vhost-backend.h
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@@ -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_ */