use inet_listen()/inet_connect() to support ipv6 migration

[qemu.git] / migration.h

diff --git a/migration.h b/migration.h
index 14c3ebccda7a9a9eb6cda4c1f467c71e00443478..2e9ca2edf256a04ba19f36e41d3474e6ca59ec17 100644 (file)
--- a/migration.h
+++ b/migration.h
@@ -17,11 +17,7 @@
 #include "qdict.h"
 #include "qemu-common.h"
 #include "notify.h"
-
-#define MIG_STATE_ERROR                -1
-#define MIG_STATE_COMPLETED    0
-#define MIG_STATE_CANCELLED    1
-#define MIG_STATE_ACTIVE       2
+#include "error.h"
 
 typedef struct MigrationState MigrationState;
 
@@ -30,14 +26,10 @@ struct MigrationState
     int64_t bandwidth_limit;
     QEMUFile *file;
     int fd;
-    Monitor *mon;
     int state;
     int (*get_error)(MigrationState *s);
     int (*close)(MigrationState *s);
     int (*write)(MigrationState *s, const void *buff, size_t size);
-    void (*cancel)(MigrationState *s);
-    int (*get_status)(MigrationState *s);
-    void (*release)(MigrationState *s);
     void *opaque;
     int blk;
     int shared;
@@ -45,19 +37,10 @@ struct MigrationState
 
 void process_incoming_migration(QEMUFile *f);
 
-int qemu_start_incoming_migration(const char *uri);
-
-int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data);
-
-int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data);
-
-int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data);
+int qemu_start_incoming_migration(const char *uri, Error **errp);
 
 uint64_t migrate_max_downtime(void);
 
-int 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);
@@ -66,9 +49,10 @@ int exec_start_incoming_migration(const char *host_port);
 
 int exec_start_outgoing_migration(MigrationState *s, const char *host_port);
 
-int tcp_start_incoming_migration(const char *host_port);
+int tcp_start_incoming_migration(const char *host_port, Error **errp);
 
-int tcp_start_outgoing_migration(MigrationState *s, const char *host_port);
+int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
+                                 Error **errp);
 
 int unix_start_incoming_migration(const char *path);
 
@@ -84,15 +68,29 @@ void migrate_fd_connect(MigrationState *s);
 
 void add_migration_state_change_notifier(Notifier *notify);
 void remove_migration_state_change_notifier(Notifier *notify);
-int get_migration_state(void);
+bool migration_is_active(MigrationState *);
+bool migration_has_finished(MigrationState *);
+bool migration_has_failed(MigrationState *);
 
 uint64_t ram_bytes_remaining(void);
 uint64_t ram_bytes_transferred(void);
 uint64_t ram_bytes_total(void);
 
-int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque);
+int ram_save_live(QEMUFile *f, int stage, void *opaque);
 int ram_load(QEMUFile *f, void *opaque, int version_id);
 
-extern int incoming_expected;
+/**
+ * @migrate_add_blocker - prevent migration from proceeding
+ *
+ * @reason - an error to be returned whenever migration is attempted
+ */
+void migrate_add_blocker(Error *reason);
+
+/**
+ * @migrate_del_blocker - remove a blocking error from migration
+ *
+ * @reason - the error blocking migration
+ */
+void migrate_del_blocker(Error *reason);
 
 #endif