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virtio-serial: implement per-device migration calls 

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Greg Kurz 2014-06-24 19:19:48 +02:00 committed by Michael S. Tsirkin
parent b2b295a74a
commit 13c6855ab0
1 changed files with 20 additions and 14 deletions
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34
hw/char/virtio-serial-bus.c
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@ -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);
@ -659,21 +662,22 @@ 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 = {