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00014 #ifndef QEMU_MIGRATION_H
00015 #define QEMU_MIGRATION_H
00016
00017 #define MIG_STATE_ERROR -1
00018 #define MIG_STATE_COMPLETED 0
00019 #define MIG_STATE_CANCELLED 1
00020 #define MIG_STATE_ACTIVE 2
00021
00022 typedef struct MigrationState MigrationState;
00023
00024 struct MigrationState
00025 {
00026
00027 void (*cancel)(MigrationState *s);
00028 int (*get_status)(MigrationState *s);
00029 void (*release)(MigrationState *s);
00030 };
00031
00032 typedef struct FdMigrationState FdMigrationState;
00033
00034 struct FdMigrationState
00035 {
00036 MigrationState mig_state;
00037 int64_t bandwidth_limit;
00038 QEMUFile *file;
00039 int fd;
00040 int detach;
00041 int state;
00042 int (*get_error)(struct FdMigrationState*);
00043 int (*close)(struct FdMigrationState*);
00044 int (*write)(struct FdMigrationState*, const void *, size_t);
00045 void *opaque;
00046 };
00047
00048 void qemu_start_incoming_migration(const char *uri);
00049
00050 void do_migrate(int detach, const char *uri);
00051
00052 void do_migrate_cancel(void);
00053
00054 void do_migrate_set_speed(const char *value);
00055
00056 void do_info_migrate(void);
00057
00058 int exec_start_incoming_migration(const char *host_port);
00059
00060 MigrationState *exec_start_outgoing_migration(const char *host_port,
00061 int64_t bandwidth_limit,
00062 int detach);
00063
00064 int tcp_start_incoming_migration(const char *host_port);
00065
00066 MigrationState *tcp_start_outgoing_migration(const char *host_port,
00067 int64_t bandwidth_limit,
00068 int detach);
00069
00070 void migrate_fd_error(FdMigrationState *s);
00071
00072 void migrate_fd_cleanup(FdMigrationState *s);
00073
00074 void migrate_fd_put_notify(void *opaque);
00075
00076 ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size);
00077
00078 void migrate_fd_connect(FdMigrationState *s);
00079
00080 void migrate_fd_put_ready(void *opaque);
00081
00082 int migrate_fd_get_status(MigrationState *mig_state);
00083
00084 void migrate_fd_cancel(MigrationState *mig_state);
00085
00086 void migrate_fd_release(MigrationState *mig_state);
00087
00088 void migrate_fd_wait_for_unfreeze(void *opaque);
00089
00090 int migrate_fd_close(void *opaque);
00091
00092 static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
00093 {
00094 return container_of(mig_state, FdMigrationState, mig_state);
00095 }
00096
00097 #endif