C++ (Cpp) qemu_savevm_state_blocked Examples

Example #1

File: migration.c Project: 16aug/nvmeqemu

int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
    MigrationState *s = NULL;
    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");

    if (current_migration &&
        current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) {
        monitor_printf(mon, "migration already in progress\n");
        return -1;
    }

    if (qemu_savevm_state_blocked(mon)) {
        return -1;
    }

    if (strstart(uri, "tcp:", &p)) {
        s = tcp_start_outgoing_migration(mon, p, max_throttle, detach,
                                         blk, inc);
#if !defined(WIN32)
    } else if (strstart(uri, "exec:", &p)) {
        s = exec_start_outgoing_migration(mon, p, max_throttle, detach,
                                          blk, inc);
    } else if (strstart(uri, "unix:", &p)) {
        s = unix_start_outgoing_migration(mon, p, max_throttle, detach,
                                          blk, inc);
    } else if (strstart(uri, "fd:", &p)) {
        s = fd_start_outgoing_migration(mon, p, max_throttle, detach, 
                                        blk, inc);
#endif
    } else {
        monitor_printf(mon, "unknown migration protocol: %s\n", uri);
        return -1;
    }

    if (s == NULL) {
        monitor_printf(mon, "migration failed\n");
        return -1;
    }

    if (current_migration) {
        current_migration->release(current_migration);
    }

    current_migration = s;
    notifier_list_notify(&migration_state_notifiers);
    return 0;
}

Example #2

File: migration.c Project: JehandadKhan/dpdk-ovs

void qmp_migrate(const char *uri, bool has_blk, bool blk,
                 bool has_inc, bool inc, bool has_detach, bool detach,
                 Error **errp)
{
    Error *local_err = NULL;
    MigrationState *s = migrate_get_current();
    MigrationParams params;
    const char *p;

    params.blk = blk;
    params.shared = inc;

    if (s->state == MIG_STATE_ACTIVE) {
        error_set(errp, QERR_MIGRATION_ACTIVE);
        return;
    }

    if (qemu_savevm_state_blocked(errp)) {
        return;
    }

    if (migration_blockers) {
        *errp = error_copy(migration_blockers->data);
        return;
    }

    s = migrate_init(&params);

    if (strstart(uri, "tcp:", &p)) {
        tcp_start_outgoing_migration(s, p, &local_err);
#if !defined(WIN32)
    } else if (strstart(uri, "exec:", &p)) {
        exec_start_outgoing_migration(s, p, &local_err);
    } else if (strstart(uri, "unix:", &p)) {
        unix_start_outgoing_migration(s, p, &local_err);
    } else if (strstart(uri, "fd:", &p)) {
        fd_start_outgoing_migration(s, p, &local_err);
#endif
    } else {
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol");
        return;
    }

    if (local_err) {
        migrate_fd_error(s);
        error_propagate(errp, local_err);
        return;
    }
}

Example #3

File: migration.c Project: Bletchley13/MBA

void qmp_migrate(const char *uri, bool has_blk, bool blk,
                 bool has_inc, bool inc, bool has_detach, bool detach,
                 Error **errp)
{
    Error *local_err = NULL;
    MigrationState *s = migrate_get_current();
    MigrationParams params;
    const char *p;

    params.blk = has_blk && blk;
    params.shared = has_inc && inc;

    if (s->state == MIGRATION_STATUS_ACTIVE ||
        s->state == MIGRATION_STATUS_SETUP ||
        s->state == MIGRATION_STATUS_CANCELLING) {
        error_set(errp, QERR_MIGRATION_ACTIVE);
        return;
    }

    if (runstate_check(RUN_STATE_INMIGRATE)) {
        error_setg(errp, "Guest is waiting for an incoming migration");
        return;
    }

    if (qemu_savevm_state_blocked(errp)) {
        return;
    }

    if (migration_blockers) {
        *errp = error_copy(migration_blockers->data);
        return;
    }

    s = migrate_init(&params);

    if (strstart(uri, "tcp:", &p)) {
        tcp_start_outgoing_migration(s, p, &local_err);
#ifdef CONFIG_RDMA
    } else if (strstart(uri, "rdma:", &p)) {
        rdma_start_outgoing_migration(s, p, &local_err);
#endif
#if !defined(WIN32)
    } else if (strstart(uri, "exec:", &p)) {
        exec_start_outgoing_migration(s, p, &local_err);
    } else if (strstart(uri, "unix:", &p)) {
        unix_start_outgoing_migration(s, p, &local_err);
    } else if (strstart(uri, "fd:", &p)) {
        fd_start_outgoing_migration(s, p, &local_err);
#endif
    } else {
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol");
        s->state = MIGRATION_STATUS_FAILED;
        return;
    }

    if (local_err) {
        migrate_fd_error(s);
        error_propagate(errp, local_err);
        return;
    }
}