Exemplo n.º 1
0
Arquivo: qmp.c Projeto: Jameshzc/qemu
void qmp_cont(Error **errp)
{
    Error *local_err = NULL;
    BlockBackend *blk;
    BlockDriverState *bs;
    BdrvNextIterator *it;

    /* if there is a dump in background, we should wait until the dump
     * finished */
    if (dump_in_progress()) {
        error_setg(errp, "There is a dump in process, please wait.");
        return;
    }

    if (runstate_needs_reset()) {
        error_setg(errp, "Resetting the Virtual Machine is required");
        return;
    } else if (runstate_check(RUN_STATE_SUSPENDED)) {
        return;
    }

    for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
        blk_iostatus_reset(blk);
    }

    it = NULL;
    while ((it = bdrv_next(it, &bs))) {
        bdrv_add_key(bs, NULL, &local_err);
        if (local_err) {
            error_propagate(errp, local_err);
            return;
        }
    }

    /* Continuing after completed migration. Images have been inactivated to
     * allow the destination to take control. Need to get control back now. */
    if (runstate_check(RUN_STATE_FINISH_MIGRATE) ||
        runstate_check(RUN_STATE_POSTMIGRATE))
    {
        bdrv_invalidate_cache_all(&local_err);
        if (local_err) {
            error_propagate(errp, local_err);
            return;
        }
    }

    if (runstate_check(RUN_STATE_INMIGRATE)) {
        autostart = 1;
    } else {
        vm_start();
    }
}
Exemplo n.º 2
0
void qmp_stop(Error **errp)
{
    /* if there is a dump in background, we should wait until the dump
     * finished */
    if (dump_in_progress()) {
        error_setg(errp, "There is a dump in process, please wait.");
        return;
    }

    if (runstate_check(RUN_STATE_INMIGRATE)) {
        autostart = 0;
    } else {
        vm_stop(RUN_STATE_PAUSED);
    }
}
Exemplo n.º 3
0
Arquivo: qmp.c Projeto: mcayland/qemu
void qmp_cont(Error **errp)
{
    BlockBackend *blk;
    Error *local_err = NULL;

    /* if there is a dump in background, we should wait until the dump
     * finished */
    if (dump_in_progress()) {
        error_setg(errp, "There is a dump in process, please wait.");
        return;
    }

    if (runstate_needs_reset()) {
        error_setg(errp, "Resetting the Virtual Machine is required");
        return;
    } else if (runstate_check(RUN_STATE_SUSPENDED)) {
        return;
    }

    for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
        blk_iostatus_reset(blk);
    }

    /* Continuing after completed migration. Images have been inactivated to
     * allow the destination to take control. Need to get control back now.
     *
     * If there are no inactive block nodes (e.g. because the VM was just
     * paused rather than completing a migration), bdrv_inactivate_all() simply
     * doesn't do anything. */
    bdrv_invalidate_cache_all(&local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        return;
    }

    if (runstate_check(RUN_STATE_INMIGRATE)) {
        autostart = 1;
    } else {
        vm_start();
    }
}