Split VHOST_SET_LOG_BASE call in a seperate function callback, so that type safety works and more arguments can be added in the next patches. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Thibaut Collet <thibaut.collet@6wind.com>
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
|
|
* vhost-backend
|
|
*
|
|
* Copyright (c) 2013 Virtual Open Systems Sarl.
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#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,
|
|
void *arg);
|
|
typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
|
|
typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
|
|
typedef int (*vhost_backend_get_vq_index)(struct vhost_dev *dev, int idx);
|
|
typedef int (*vhost_backend_set_vring_enable)(struct vhost_dev *dev, int enable);
|
|
typedef int (*vhost_backend_memslots_limit)(struct vhost_dev *dev);
|
|
|
|
typedef int (*vhost_set_log_base_op)(struct vhost_dev *dev, uint64_t base);
|
|
|
|
typedef struct VhostOps {
|
|
VhostBackendType backend_type;
|
|
vhost_call vhost_call;
|
|
vhost_backend_init vhost_backend_init;
|
|
vhost_backend_cleanup vhost_backend_cleanup;
|
|
vhost_backend_get_vq_index vhost_backend_get_vq_index;
|
|
vhost_backend_set_vring_enable vhost_backend_set_vring_enable;
|
|
vhost_backend_memslots_limit vhost_backend_memslots_limit;
|
|
vhost_set_log_base_op vhost_set_log_base;
|
|
} VhostOps;
|
|
|
|
extern const VhostOps user_ops;
|
|
|
|
int vhost_set_backend_type(struct vhost_dev *dev,
|
|
VhostBackendType backend_type);
|
|
|
|
#endif /* VHOST_BACKEND_H_ */
|