diff options
| -rw-r--r-- | hw/virtio-serial-bus.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index d20bd8b..efa8a81 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -53,6 +53,15 @@ struct VirtIOSerial { uint32_t *ports_map; struct virtio_console_config config; + + struct { + QEMUTimer *timer; + int nr_active_ports; + struct { + VirtIOSerialPort *port; + uint8_t host_connected; + } *connected; + } post_load; }; static VirtIOSerialPort *find_port_by_id(VirtIOSerial *vser, uint32_t id) @@ -626,6 +635,29 @@ static void virtio_serial_save(QEMUFile *f, void *opaque) } } +static void virtio_serial_post_load_timer_cb(void *opaque) +{ + int i; + VirtIOSerial *s = opaque; + VirtIOSerialPort *port; + uint8_t host_connected; + + for (i = 0 ; i < s->post_load.nr_active_ports; ++i) { + port = s->post_load.connected[i].port; + host_connected = s->post_load.connected[i].host_connected; + if (host_connected != port->host_connected) { + /* + * We have to let the guest know of the host connection + * status change + */ + send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, + port->host_connected); + } + } + g_free(s->post_load.connected); + s->post_load.connected = NULL; +} + static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) { VirtIOSerial *s = opaque; @@ -673,10 +705,13 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) qemu_get_be32s(f, &nr_active_ports); + s->post_load.nr_active_ports = nr_active_ports; + s->post_load.connected = + g_malloc0(sizeof(*s->post_load.connected) * nr_active_ports); + /* Items in struct VirtIOSerialPort */ for (i = 0; i < nr_active_ports; i++) { uint32_t id; - bool host_connected; id = qemu_get_be32(f); port = find_port_by_id(s, id); @@ -685,15 +720,8 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) } port->guest_connected = qemu_get_byte(f); - host_connected = qemu_get_byte(f); - if (host_connected != port->host_connected) { - /* - * We have to let the guest know of the host connection - * status change - */ - send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, - port->host_connected); - } + s->post_load.connected[i].port = port; + s->post_load.connected[i].host_connected = qemu_get_byte(f); if (version_id > 2) { uint32_t elem_popped; @@ -718,6 +746,7 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) } } } + qemu_mod_timer(s->post_load.timer, 1); return 0; } @@ -967,6 +996,9 @@ VirtIODevice *virtio_serial_init(DeviceState *dev, virtio_serial_conf *conf) register_savevm(dev, "virtio-console", -1, 3, virtio_serial_save, virtio_serial_load, vser); + vser->post_load.timer = qemu_new_timer_ns(vm_clock, + virtio_serial_post_load_timer_cb, vser); + return vdev; } @@ -979,6 +1011,8 @@ void virtio_serial_exit(VirtIODevice *vdev) g_free(vser->ivqs); g_free(vser->ovqs); g_free(vser->ports_map); + g_free(vser->post_load.connected); + qemu_free_timer(vser->post_load.timer); virtio_cleanup(vdev); } |