108 lines
4.6 KiB
C
108 lines
4.6 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_
|
|
|
|
#include <stdbool.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;
|
|
struct vhost_log;
|
|
struct vhost_memory;
|
|
struct vhost_vring_file;
|
|
struct vhost_vring_state;
|
|
struct vhost_vring_addr;
|
|
struct vhost_scsi_target;
|
|
|
|
typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque);
|
|
typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev);
|
|
typedef int (*vhost_backend_memslots_limit)(struct vhost_dev *dev);
|
|
|
|
typedef int (*vhost_net_set_backend_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_file *file);
|
|
typedef int (*vhost_scsi_set_endpoint_op)(struct vhost_dev *dev,
|
|
struct vhost_scsi_target *target);
|
|
typedef int (*vhost_scsi_clear_endpoint_op)(struct vhost_dev *dev,
|
|
struct vhost_scsi_target *target);
|
|
typedef int (*vhost_scsi_get_abi_version_op)(struct vhost_dev *dev,
|
|
int *version);
|
|
typedef int (*vhost_set_log_base_op)(struct vhost_dev *dev, uint64_t base,
|
|
struct vhost_log *log);
|
|
typedef int (*vhost_set_mem_table_op)(struct vhost_dev *dev,
|
|
struct vhost_memory *mem);
|
|
typedef int (*vhost_set_vring_addr_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_addr *addr);
|
|
typedef int (*vhost_set_vring_endian_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_state *ring);
|
|
typedef int (*vhost_set_vring_num_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_state *ring);
|
|
typedef int (*vhost_set_vring_base_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_state *ring);
|
|
typedef int (*vhost_get_vring_base_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_state *ring);
|
|
typedef int (*vhost_set_vring_kick_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_file *file);
|
|
typedef int (*vhost_set_vring_call_op)(struct vhost_dev *dev,
|
|
struct vhost_vring_file *file);
|
|
typedef int (*vhost_set_features_op)(struct vhost_dev *dev,
|
|
uint64_t features);
|
|
typedef int (*vhost_get_features_op)(struct vhost_dev *dev,
|
|
uint64_t *features);
|
|
typedef int (*vhost_set_owner_op)(struct vhost_dev *dev);
|
|
typedef int (*vhost_reset_device_op)(struct vhost_dev *dev);
|
|
typedef int (*vhost_get_vq_index_op)(struct vhost_dev *dev, int idx);
|
|
typedef int (*vhost_set_vring_enable_op)(struct vhost_dev *dev,
|
|
int enable);
|
|
typedef bool (*vhost_requires_shm_log_op)(struct vhost_dev *dev);
|
|
typedef int (*vhost_migration_done_op)(struct vhost_dev *dev,
|
|
char *mac_addr);
|
|
|
|
typedef struct VhostOps {
|
|
VhostBackendType backend_type;
|
|
vhost_backend_init vhost_backend_init;
|
|
vhost_backend_cleanup vhost_backend_cleanup;
|
|
vhost_backend_memslots_limit vhost_backend_memslots_limit;
|
|
vhost_net_set_backend_op vhost_net_set_backend;
|
|
vhost_scsi_set_endpoint_op vhost_scsi_set_endpoint;
|
|
vhost_scsi_clear_endpoint_op vhost_scsi_clear_endpoint;
|
|
vhost_scsi_get_abi_version_op vhost_scsi_get_abi_version;
|
|
vhost_set_log_base_op vhost_set_log_base;
|
|
vhost_set_mem_table_op vhost_set_mem_table;
|
|
vhost_set_vring_addr_op vhost_set_vring_addr;
|
|
vhost_set_vring_endian_op vhost_set_vring_endian;
|
|
vhost_set_vring_num_op vhost_set_vring_num;
|
|
vhost_set_vring_base_op vhost_set_vring_base;
|
|
vhost_get_vring_base_op vhost_get_vring_base;
|
|
vhost_set_vring_kick_op vhost_set_vring_kick;
|
|
vhost_set_vring_call_op vhost_set_vring_call;
|
|
vhost_set_features_op vhost_set_features;
|
|
vhost_get_features_op vhost_get_features;
|
|
vhost_set_owner_op vhost_set_owner;
|
|
vhost_reset_device_op vhost_reset_device;
|
|
vhost_get_vq_index_op vhost_get_vq_index;
|
|
vhost_set_vring_enable_op vhost_set_vring_enable;
|
|
vhost_requires_shm_log_op vhost_requires_shm_log;
|
|
vhost_migration_done_op vhost_migration_done;
|
|
} VhostOps;
|
|
|
|
extern const VhostOps user_ops;
|
|
|
|
int vhost_set_backend_type(struct vhost_dev *dev,
|
|
VhostBackendType backend_type);
|
|
|
|
#endif /* VHOST_BACKEND_H_ */
|