4 * Copyright (c) 2013 Virtual Open Systems Sarl.
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
11 #ifndef VHOST_BACKEND_H_
12 #define VHOST_BACKEND_H_
14 typedef enum VhostBackendType
{
15 VHOST_BACKEND_TYPE_NONE
= 0,
16 VHOST_BACKEND_TYPE_KERNEL
= 1,
17 VHOST_BACKEND_TYPE_USER
= 2,
18 VHOST_BACKEND_TYPE_MAX
= 3,
23 typedef int (*vhost_call
)(struct vhost_dev
*dev
, unsigned long int request
,
25 typedef int (*vhost_backend_init
)(struct vhost_dev
*dev
, void *opaque
);
26 typedef int (*vhost_backend_cleanup
)(struct vhost_dev
*dev
);
28 typedef struct VhostOps
{
29 VhostBackendType backend_type
;
30 vhost_call vhost_call
;
31 vhost_backend_init vhost_backend_init
;
32 vhost_backend_cleanup vhost_backend_cleanup
;
35 extern const VhostOps user_ops
;
37 int vhost_set_backend_type(struct vhost_dev
*dev
,
38 VhostBackendType backend_type
);
40 #endif /* VHOST_BACKEND_H_ */