Commit 13c6855a authored by Greg Kurz's avatar Greg Kurz Committed by Michael S. Tsirkin
Browse files

virtio-serial: implement per-device migration calls 



Signed-off-by: default avatarGreg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: default avatarAlexander Graf <agraf@suse.de>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent b2b295a7

hw/char/virtio-serial-bus.c

+20 −14
Original line number Diff line number Diff line
@@ -514,14 +514,17 @@ static void vser_reset(VirtIODevice *vdev) 


static void virtio_serial_save(QEMUFile *f, void *opaque)

{

    VirtIOSerial *s = VIRTIO_SERIAL(opaque);

    /* The virtio device */

    virtio_save(VIRTIO_DEVICE(opaque), f);

}



static void virtio_serial_save_device(VirtIODevice *vdev, QEMUFile *f)

{

    VirtIOSerial *s = VIRTIO_SERIAL(vdev);

    VirtIOSerialPort *port;

    uint32_t nr_active_ports;

    unsigned int i, max_nr_ports;



    /* The virtio device */

    virtio_save(VIRTIO_DEVICE(s), f);



    /* The config space */

    qemu_put_be16s(f, &s->config.cols);

    qemu_put_be16s(f, &s->config.rows);
@@ -659,22 +662,23 @@ static int fetch_active_ports_list(QEMUFile *f, int version_id, 


static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id)

{

    VirtIOSerial *s = VIRTIO_SERIAL(opaque);

    uint32_t max_nr_ports, nr_active_ports, ports_map;

    unsigned int i;

    int ret;

    uint32_t tmp;



    if (version_id > 3) {

        return -EINVAL;

    }



    /* The virtio device */

    ret = virtio_load(VIRTIO_DEVICE(s), f, version_id);

    if (ret) {

        return ret;

    return virtio_load(VIRTIO_DEVICE(opaque), f, version_id);

}



static int virtio_serial_load_device(VirtIODevice *vdev, QEMUFile *f,

                                     int version_id)

{

    VirtIOSerial *s = VIRTIO_SERIAL(vdev);

    uint32_t max_nr_ports, nr_active_ports, ports_map;

    unsigned int i;

    int ret;

    uint32_t tmp;



    if (version_id < 2) {

        return 0;

    }
@@ -1015,6 +1019,8 @@ static void virtio_serial_class_init(ObjectClass *klass, void *data) 
    vdc->get_config = get_config;

    vdc->set_status = set_status;

    vdc->reset = vser_reset;

    vdc->save = virtio_serial_save_device;

    vdc->load = virtio_serial_load_device;

}



static const TypeInfo virtio_device_info = {