qemu-e2k/include/migration/register.h

56 lines
1.8 KiB
C

/*
* QEMU migration vmstate registration
*
* Copyright IBM, Corp. 2008
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef MIGRATION_REGISTER_H
#define MIGRATION_REGISTER_H
typedef struct SaveVMHandlers {
/* This runs inside the iothread lock. */
SaveStateHandler *save_state;
void (*save_cleanup)(void *opaque);
int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
/* This runs both outside and inside the iothread lock. */
bool (*is_active)(void *opaque);
/* This runs outside the iothread lock in the migration case, and
* within the lock in the savevm case. The callback had better only
* use data that is local to the migration thread or protected
* by other locks.
*/
int (*save_live_iterate)(QEMUFile *f, void *opaque);
/* This runs outside the iothread lock! */
int (*save_setup)(QEMUFile *f, void *opaque);
void (*save_live_pending)(QEMUFile *f, void *opaque,
uint64_t threshold_size,
uint64_t *non_postcopiable_pending,
uint64_t *postcopiable_pending);
LoadStateHandler *load_state;
int (*load_setup)(QEMUFile *f, void *opaque);
int (*load_cleanup)(void *opaque);
} SaveVMHandlers;
int register_savevm_live(DeviceState *dev,
const char *idstr,
int instance_id,
int version_id,
SaveVMHandlers *ops,
void *opaque);
void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
#endif