C++ (Cpp) virtio_blk_data_plane_destroy示例

示例#1

文件： virtio-blk.c 项目： Samsara00/qemu

/* Disable dataplane thread during live migration since it does not
 * update the dirty memory bitmap yet.
 */
static void virtio_blk_migration_state_changed(Notifier *notifier, void *data)
{
    VirtIOBlock *s = container_of(notifier, VirtIOBlock,
                                  migration_state_notifier);
    MigrationState *mig = data;
    Error *err = NULL;

    if (migration_in_setup(mig)) {
        if (!s->dataplane) {
            return;
        }
        virtio_blk_data_plane_destroy(s->dataplane);
        s->dataplane = NULL;
    } else if (migration_has_finished(mig) ||
               migration_has_failed(mig)) {
        if (s->dataplane) {
            return;
        }
        bdrv_drain_all(); /* complete in-flight non-dataplane requests */
        virtio_blk_data_plane_create(VIRTIO_DEVICE(s), &s->blk,
                                     &s->dataplane, &err);
        if (err != NULL) {
            error_report("%s", error_get_pretty(err));
            error_free(err);
        }
    }
}

示例#2

文件： virtio-blk.c 项目： mithleshvrts/qemu-kvm-rhel6

void virtio_blk_exit(VirtIODevice *vdev)
{
    VirtIOBlock *s = to_virtio_blk(vdev);

#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
    virtio_blk_data_plane_destroy(s->dataplane);
    s->dataplane = NULL;
#endif
    qemu_del_vm_change_state_handler(s->change);
    unregister_savevm(s->qdev, "virtio-blk", s);
    virtio_cleanup(vdev);
}

示例#3

文件： virtio-blk.c 项目： wdc-tools/qemu

static int virtio_blk_device_exit(DeviceState *dev)
{
    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
    VirtIOBlock *s = VIRTIO_BLK(dev);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
    virtio_blk_data_plane_destroy(s->dataplane);
    s->dataplane = NULL;
#endif
    qemu_del_vm_change_state_handler(s->change);
    unregister_savevm(dev, "virtio-blk", s);
    blockdev_mark_auto_del(s->bs);
    virtio_common_cleanup(vdev);
    return 0;
}

示例#4

文件： virtio-blk.c 项目： Samsara00/qemu

static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp)
{
    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
    VirtIOBlock *s = VIRTIO_BLK(dev);

#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
    remove_migration_state_change_notifier(&s->migration_state_notifier);
    virtio_blk_data_plane_destroy(s->dataplane);
    s->dataplane = NULL;
#endif
    qemu_del_vm_change_state_handler(s->change);
    unregister_savevm(dev, "virtio-blk", s);
    blockdev_mark_auto_del(s->bs);
    virtio_cleanup(vdev);
}