136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/*
|
|
* QEMU live migration
|
|
*
|
|
* 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 QEMU_MIGRATION_H
|
|
#define QEMU_MIGRATION_H
|
|
|
|
#include "qdict.h"
|
|
#include "qemu-common.h"
|
|
|
|
#define MIG_STATE_ERROR -1
|
|
#define MIG_STATE_COMPLETED 0
|
|
#define MIG_STATE_CANCELLED 1
|
|
#define MIG_STATE_ACTIVE 2
|
|
|
|
typedef struct MigrationState MigrationState;
|
|
|
|
struct MigrationState
|
|
{
|
|
/* FIXME: add more accessors to print migration info */
|
|
void (*cancel)(MigrationState *s);
|
|
int (*get_status)(MigrationState *s);
|
|
void (*release)(MigrationState *s);
|
|
int blk;
|
|
int shared;
|
|
};
|
|
|
|
typedef struct FdMigrationState FdMigrationState;
|
|
|
|
struct FdMigrationState
|
|
{
|
|
MigrationState mig_state;
|
|
int64_t bandwidth_limit;
|
|
QEMUFile *file;
|
|
int fd;
|
|
Monitor *mon;
|
|
int state;
|
|
int (*get_error)(struct FdMigrationState*);
|
|
int (*close)(struct FdMigrationState*);
|
|
int (*write)(struct FdMigrationState*, const void *, size_t);
|
|
void *opaque;
|
|
};
|
|
|
|
void qemu_start_incoming_migration(const char *uri);
|
|
|
|
void do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data);
|
|
|
|
void do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data);
|
|
|
|
void do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data);
|
|
|
|
uint64_t migrate_max_downtime(void);
|
|
|
|
void do_migrate_set_downtime(Monitor *mon, const QDict *qdict,
|
|
QObject **ret_data);
|
|
|
|
void do_info_migrate_print(Monitor *mon, const QObject *data);
|
|
|
|
void do_info_migrate(Monitor *mon, QObject **ret_data);
|
|
|
|
int exec_start_incoming_migration(const char *host_port);
|
|
|
|
MigrationState *exec_start_outgoing_migration(Monitor *mon,
|
|
const char *host_port,
|
|
int64_t bandwidth_limit,
|
|
int detach,
|
|
int blk,
|
|
int inc);
|
|
|
|
int tcp_start_incoming_migration(const char *host_port);
|
|
|
|
MigrationState *tcp_start_outgoing_migration(Monitor *mon,
|
|
const char *host_port,
|
|
int64_t bandwidth_limit,
|
|
int detach,
|
|
int blk,
|
|
int inc);
|
|
|
|
int unix_start_incoming_migration(const char *path);
|
|
|
|
MigrationState *unix_start_outgoing_migration(Monitor *mon,
|
|
const char *path,
|
|
int64_t bandwidth_limit,
|
|
int detach,
|
|
int blk,
|
|
int inc);
|
|
|
|
int fd_start_incoming_migration(const char *path);
|
|
|
|
MigrationState *fd_start_outgoing_migration(Monitor *mon,
|
|
const char *fdname,
|
|
int64_t bandwidth_limit,
|
|
int detach,
|
|
int blk,
|
|
int inc);
|
|
|
|
void migrate_fd_monitor_suspend(FdMigrationState *s, Monitor *mon);
|
|
|
|
void migrate_fd_error(FdMigrationState *s);
|
|
|
|
void migrate_fd_cleanup(FdMigrationState *s);
|
|
|
|
void migrate_fd_put_notify(void *opaque);
|
|
|
|
ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size);
|
|
|
|
void migrate_fd_connect(FdMigrationState *s);
|
|
|
|
void migrate_fd_put_ready(void *opaque);
|
|
|
|
int migrate_fd_get_status(MigrationState *mig_state);
|
|
|
|
void migrate_fd_cancel(MigrationState *mig_state);
|
|
|
|
void migrate_fd_release(MigrationState *mig_state);
|
|
|
|
void migrate_fd_wait_for_unfreeze(void *opaque);
|
|
|
|
int migrate_fd_close(void *opaque);
|
|
|
|
static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
|
|
{
|
|
return container_of(mig_state, FdMigrationState, mig_state);
|
|
}
|
|
|
|
#endif
|