diff options
Diffstat (limited to 'migration.c')
-rw-r--r-- | migration.c | 66 |
1 files changed, 17 insertions, 49 deletions
diff --git a/migration.c b/migration.c index b21b2df..8c119ba 100644 --- a/migration.c +++ b/migration.c @@ -158,16 +158,6 @@ MigrationInfo *qmp_query_migrate(Error **errp) /* shared migration helpers */ -static void migrate_fd_monitor_suspend(MigrationState *s, Monitor *mon) -{ - if (monitor_suspend(mon) == 0) { - DPRINTF("suspending monitor\n"); - } else { - monitor_printf(mon, "terminal does not allow synchronous " - "migration, continuing detached\n"); - } -} - static int migrate_fd_cleanup(MigrationState *s) { int ret = 0; @@ -178,10 +168,6 @@ static int migrate_fd_cleanup(MigrationState *s) DPRINTF("closing file\n"); ret = qemu_fclose(s->file); s->file = NULL; - } else { - if (s->mon) { - monitor_resume(s->mon); - } } if (s->fd != -1) { @@ -321,9 +307,6 @@ static int migrate_fd_close(void *opaque) { MigrationState *s = opaque; - if (s->mon) { - monitor_resume(s->mon); - } qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); return s->close(s); } @@ -376,7 +359,7 @@ void migrate_fd_connect(MigrationState *s) migrate_fd_put_ready(s); } -static MigrationState *migrate_init(Monitor *mon, int detach, int blk, int inc) +static MigrationState *migrate_init(int blk, int inc) { MigrationState *s = migrate_get_current(); int64_t bandwidth_limit = s->bandwidth_limit; @@ -386,18 +369,9 @@ static MigrationState *migrate_init(Monitor *mon, int detach, int blk, int inc) s->blk = blk; s->shared = inc; - /* s->mon is used for two things: - - pass fd in fd migration - - suspend/resume monitor for not detached migration - */ - s->mon = mon; s->bandwidth_limit = bandwidth_limit; s->state = MIG_STATE_SETUP; - if (!detach) { - migrate_fd_monitor_suspend(s, mon); - } - return s; } @@ -413,32 +387,29 @@ void migrate_del_blocker(Error *reason) migration_blockers = g_slist_remove(migration_blockers, reason); } -int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) +void qmp_migrate(const char *uri, bool has_blk, bool blk, + bool has_inc, bool inc, bool has_detach, bool detach, + Error **errp) { MigrationState *s = migrate_get_current(); const char *p; - int detach = qdict_get_try_bool(qdict, "detach", 0); - int blk = qdict_get_try_bool(qdict, "blk", 0); - int inc = qdict_get_try_bool(qdict, "inc", 0); - const char *uri = qdict_get_str(qdict, "uri"); int ret; if (s->state == MIG_STATE_ACTIVE) { - monitor_printf(mon, "migration already in progress\n"); - return -1; + error_set(errp, QERR_MIGRATION_ACTIVE); + return; } - if (qemu_savevm_state_blocked(mon)) { - return -1; + if (qemu_savevm_state_blocked(errp)) { + return; } if (migration_blockers) { - Error *err = migration_blockers->data; - qerror_report_err(err); - return -1; + *errp = error_copy(migration_blockers->data); + return; } - s = migrate_init(mon, detach, blk, inc); + s = migrate_init(blk, inc); if (strstart(uri, "tcp:", &p)) { ret = tcp_start_outgoing_migration(s, p); @@ -451,21 +422,18 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) ret = fd_start_outgoing_migration(s, p); #endif } else { - monitor_printf(mon, "unknown migration protocol: %s\n", uri); - ret = -EINVAL; + error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol"); + return; } if (ret < 0) { - monitor_printf(mon, "migration failed: %s\n", strerror(-ret)); - return ret; - } - - if (detach) { - s->mon = NULL; + DPRINTF("migration failed: %s\n", strerror(-ret)); + /* FIXME: we should return meaningful errors */ + error_set(errp, QERR_UNDEFINED_ERROR); + return; } notifier_list_notify(&migration_state_notifiers, s); - return 0; } void qmp_migrate_cancel(Error **errp) |