Add migration_end function

[qemu.git] / migration.h

diff --git a/migration.h b/migration.h
index 0596f24636ed7f947bcfd295b6157d24c381d4ba..35207bd53e6ad5c2f69ae9b32c66d7e9546087e9 100644 (file)
--- a/migration.h
+++ b/migration.h
@@ -14,90 +14,87 @@
 #ifndef QEMU_MIGRATION_H
 #define QEMU_MIGRATION_H
 
+#include "qdict.h"
 #include "qemu-common.h"
+#include "notify.h"
+#include "error.h"
 
-#define MIG_STATE_ERROR                -1
-#define MIG_STATE_COMPLETED    0
-#define MIG_STATE_CANCELLED    1
-#define MIG_STATE_ACTIVE       2
+struct MigrationParams {
+    bool blk;
+    bool shared;
+};
 
 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);
-};
-
-typedef struct FdMigrationState FdMigrationState;
-
-struct FdMigrationState
-{
-    MigrationState mig_state;
     int64_t bandwidth_limit;
     QEMUFile *file;
     int fd;
-    Monitor *mon_resume;
     int state;
-    int (*get_error)(struct FdMigrationState*);
-    int (*close)(struct FdMigrationState*);
-    int (*write)(struct FdMigrationState*, const void *, size_t);
+    int (*get_error)(MigrationState *s);
+    int (*close)(MigrationState *s);
+    int (*write)(MigrationState *s, const void *buff, size_t size);
     void *opaque;
+    MigrationParams params;
 };
 
-void qemu_start_incoming_migration(const char *uri);
-
-void do_migrate(Monitor *mon, int detach, const char *uri);
+void process_incoming_migration(QEMUFile *f);
 
-void do_migrate_cancel(Monitor *mon);
-
-void do_migrate_set_speed(Monitor *mon, const char *value);
+int qemu_start_incoming_migration(const char *uri, Error **errp);
 
 uint64_t migrate_max_downtime(void);
 
-void do_info_migrate(Monitor *mon);
+void do_info_migrate_print(Monitor *mon, const QObject *data);
 
-int exec_start_incoming_migration(const char *host_port);
+void do_info_migrate(Monitor *mon, QObject **ret_data);
 
-MigrationState *exec_start_outgoing_migration(const char *host_port,
-                                            int64_t bandwidth_limit,
-                                            int detach);
-
-int tcp_start_incoming_migration(const char *host_port);
+int exec_start_incoming_migration(const char *host_port);
 
-MigrationState *tcp_start_outgoing_migration(const char *host_port,
-                                            int64_t bandwidth_limit,
-                                            int detach);
+int exec_start_outgoing_migration(MigrationState *s, const char *host_port);
 
-void migrate_fd_monitor_suspend(FdMigrationState *s);
+int tcp_start_incoming_migration(const char *host_port, Error **errp);
 
-void migrate_fd_error(FdMigrationState *s);
+int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
+                                 Error **errp);
 
-void migrate_fd_cleanup(FdMigrationState *s);
+int unix_start_incoming_migration(const char *path);
 
-void migrate_fd_put_notify(void *opaque);
+int unix_start_outgoing_migration(MigrationState *s, const char *path);
 
-ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size);
+int fd_start_incoming_migration(const char *path);
 
-void migrate_fd_connect(FdMigrationState *s);
+int fd_start_outgoing_migration(MigrationState *s, const char *fdname);
 
-void migrate_fd_put_ready(void *opaque);
+void migrate_fd_error(MigrationState *s);
 
-int migrate_fd_get_status(MigrationState *mig_state);
+void migrate_fd_connect(MigrationState *s);
 
-void migrate_fd_cancel(MigrationState *mig_state);
+void add_migration_state_change_notifier(Notifier *notify);
+void remove_migration_state_change_notifier(Notifier *notify);
+bool migration_is_active(MigrationState *);
+bool migration_has_finished(MigrationState *);
+bool migration_has_failed(MigrationState *);
 
-void migrate_fd_release(MigrationState *mig_state);
+uint64_t ram_bytes_remaining(void);
+uint64_t ram_bytes_transferred(void);
+uint64_t ram_bytes_total(void);
 
-void migrate_fd_wait_for_unfreeze(void *opaque);
+int ram_save_live(QEMUFile *f, int stage, void *opaque);
+int ram_load(QEMUFile *f, void *opaque, int version_id);
 
-int migrate_fd_close(void *opaque);
+/**
+ * @migrate_add_blocker - prevent migration from proceeding
+ *
+ * @reason - an error to be returned whenever migration is attempted
+ */
+void migrate_add_blocker(Error *reason);
 
-static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
-{
-    return container_of(mig_state, FdMigrationState, mig_state);
-}
+/**
+ * @migrate_del_blocker - remove a blocking error from migration
+ *
+ * @reason - the error blocking migration
+ */
+void migrate_del_blocker(Error *reason);
 
 #endif