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Differential D35590 Diff 107366 usr.sbin/bhyve/snapshot.h

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usr.sbin/bhyve/snapshot.h

Show First 20 Lines • Show All 59 Lines • ▼ Show 20 Linesstruct restore_state {
ucl_object_t *meta_root_obj; ucl_object_t *meta_root_obj;
}; };
struct checkpoint_thread_info { struct checkpoint_thread_info {
struct vmctx *ctx; struct vmctx *ctx;
int socket_fd; int socket_fd;
}; };
typedef int (*vm_snapshot_dev_cb)(struct vm_snapshot_meta *); typedef int (*snapshot_dev_cb)(struct vm_snapshot_meta *meta, void *cbdata);
typedef int (*vm_pause_dev_cb) (struct vmctx *, const char *); typedef int (*pause_dev_cb)(struct vmctx *ctx, void *cbdata);
typedef int (*vm_resume_dev_cb) (struct vmctx *, const char *); typedef int (*resume_dev_cb)(struct vmctx *ctx, void *cbdata);
struct vm_snapshot_dev_info { struct snapshot_ops {
const char *dev_name; /* device name */ snapshot_dev_cb snapshot_cb; /* callback for device save/restore */
vm_snapshot_dev_cb snapshot_cb; /* callback for device snapshot */ pause_dev_cb pause_cb; /* callback for device pause (optional) */
vm_pause_dev_cb pause_cb; /* callback for device pause */ resume_dev_cb resume_cb; /* callback for device resume (optional) */
vm_resume_dev_cb resume_cb; /* callback for device resume */
}; };
struct vm_snapshot_kern_info { struct vm_snapshot_kern_info {
const char *struct_name; /* kernel structure name*/ const char *struct_name; /* kernel structure name*/
enum snapshot_req req; /* request type */ enum snapshot_req req; /* request type */
}; };
void register_snapshot_dev(const char *devname, struct snapshot_ops *ops,
void *cbdata);
void destroy_restore_state(struct restore_state *rstate); void destroy_restore_state(struct restore_state *rstate);
const char *lookup_vmname(struct restore_state *rstate); const char *lookup_vmname(struct restore_state *rstate);
int lookup_memflags(struct restore_state *rstate); int lookup_memflags(struct restore_state *rstate);
size_t lookup_memsize(struct restore_state *rstate); size_t lookup_memsize(struct restore_state *rstate);
int lookup_guest_ncpus(struct restore_state *rstate); int lookup_guest_ncpus(struct restore_state *rstate);
void checkpoint_cpu_add(int vcpu); void checkpoint_cpu_add(int vcpu);
void checkpoint_cpu_resume(int vcpu); void checkpoint_cpu_resume(int vcpu);
void checkpoint_cpu_suspend(int vcpu); void checkpoint_cpu_suspend(int vcpu);
int restore_vm_mem(struct vmctx *ctx, struct restore_state *rstate); int restore_vm_mem(struct vmctx *ctx, struct restore_state *rstate);
int vm_restore_kern_structs(struct vmctx *ctx, struct restore_state *rstate); int vm_restore_kern_structs(struct vmctx *ctx, struct restore_state *rstate);
int vm_restore_user_devs(struct vmctx *ctx, struct restore_state *rstate); int vm_restore_devices(struct vmctx *ctx, struct restore_state *rstate);
int vm_pause_user_devs(struct vmctx *ctx); int vm_pause_devices(struct vmctx *ctx);
int vm_resume_user_devs(struct vmctx *ctx); int vm_resume_devices(struct vmctx *ctx);
int get_checkpoint_msg(int conn_fd, struct vmctx *ctx); int get_checkpoint_msg(int conn_fd, struct vmctx *ctx);
void *checkpoint_thread(void *param); void *checkpoint_thread(void *param);
int init_checkpoint_thread(struct vmctx *ctx); int init_checkpoint_thread(struct vmctx *ctx);
void init_snapshot(void); void init_snapshot(void);
int load_restore_file(const char *filename, struct restore_state *rstate); int load_restore_file(const char *filename, struct restore_state *rstate);
#endif #endif