| /* |
| * 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); |
| |
| void do_info_migrate(Monitor *mon); |
| |
| 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 |