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/*
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* QEMU live migration
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*
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* Copyright IBM, Corp. 2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_MIGRATION_H
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#define QEMU_MIGRATION_H
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#include "qdict.h" |
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#include "qemu-common.h" |
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#include "notify.h" |
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#define MIG_STATE_ERROR -1 |
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#define MIG_STATE_COMPLETED 0 |
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#define MIG_STATE_CANCELLED 1 |
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#define MIG_STATE_ACTIVE 2 |
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typedef struct MigrationState MigrationState; |
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struct MigrationState
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{ |
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/* FIXME: add more accessors to print migration info */
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void (*cancel)(MigrationState *s);
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int (*get_status)(MigrationState *s);
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void (*release)(MigrationState *s);
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int blk;
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int shared;
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}; |
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typedef struct FdMigrationState FdMigrationState; |
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struct FdMigrationState
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{ |
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MigrationState mig_state; |
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int64_t bandwidth_limit; |
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QEMUFile *file; |
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int fd;
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Monitor *mon; |
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int state;
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int (*get_error)(struct FdMigrationState*); |
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int (*close)(struct FdMigrationState*); |
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int (*write)(struct FdMigrationState*, const void *, size_t); |
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void *opaque;
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}; |
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void process_incoming_migration(QEMUFile *f);
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int qemu_start_incoming_migration(const char *uri); |
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int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data); |
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int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data); |
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int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data); |
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uint64_t migrate_max_downtime(void);
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int do_migrate_set_downtime(Monitor *mon, const QDict *qdict, |
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QObject **ret_data); |
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void do_info_migrate_print(Monitor *mon, const QObject *data); |
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void do_info_migrate(Monitor *mon, QObject **ret_data);
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int exec_start_incoming_migration(const char *host_port); |
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MigrationState *exec_start_outgoing_migration(Monitor *mon, |
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const char *host_port, |
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int64_t bandwidth_limit, |
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int detach,
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int blk,
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int inc);
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int tcp_start_incoming_migration(const char *host_port); |
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MigrationState *tcp_start_outgoing_migration(Monitor *mon, |
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const char *host_port, |
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int64_t bandwidth_limit, |
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int detach,
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int blk,
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int inc);
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int unix_start_incoming_migration(const char *path); |
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MigrationState *unix_start_outgoing_migration(Monitor *mon, |
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const char *path, |
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int64_t bandwidth_limit, |
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int detach,
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int blk,
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int inc);
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int fd_start_incoming_migration(const char *path); |
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MigrationState *fd_start_outgoing_migration(Monitor *mon, |
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const char *fdname, |
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int64_t bandwidth_limit, |
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int detach,
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int blk,
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int inc);
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void migrate_fd_monitor_suspend(FdMigrationState *s, Monitor *mon);
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void migrate_fd_error(FdMigrationState *s);
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int migrate_fd_cleanup(FdMigrationState *s);
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void migrate_fd_put_notify(void *opaque); |
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ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size); |
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void migrate_fd_connect(FdMigrationState *s);
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void migrate_fd_put_ready(void *opaque); |
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int migrate_fd_get_status(MigrationState *mig_state);
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void migrate_fd_cancel(MigrationState *mig_state);
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void migrate_fd_release(MigrationState *mig_state);
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void migrate_fd_wait_for_unfreeze(void *opaque); |
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int migrate_fd_close(void *opaque); |
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static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state) |
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{ |
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return container_of(mig_state, FdMigrationState, mig_state);
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} |
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void add_migration_state_change_notifier(Notifier *notify);
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void remove_migration_state_change_notifier(Notifier *notify);
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int get_migration_state(void); |
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#endif
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