diff options
Diffstat (limited to 'hw/char')
| -rw-r--r-- | hw/char/virtio-serial-bus.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index e0135043c3..37a6f442fa 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -482,10 +482,14 @@ static uint32_t get_features(VirtIODevice *vdev, uint32_t features) /* Guest requested config info */ static void get_config(VirtIODevice *vdev, uint8_t *config_data) { - VirtIOSerial *vser; - - vser = VIRTIO_SERIAL(vdev); - memcpy(config_data, &vser->config, sizeof(struct virtio_console_config)); + VirtIOSerial *vser = VIRTIO_SERIAL(vdev); + struct virtio_console_config *config = + (struct virtio_console_config *)config_data; + + config->cols = 0; + config->rows = 0; + config->max_nr_ports = virtio_tswap32(vdev, + vser->serial.max_virtserial_ports); } static void guest_reset(VirtIOSerial *vser) @@ -533,10 +537,6 @@ static void vser_reset(VirtIODevice *vdev) vser = VIRTIO_SERIAL(vdev); guest_reset(vser); - - /* In case we have switched endianness */ - vser->config.max_nr_ports = - virtio_tswap32(vdev, vser->serial.max_virtserial_ports); } static void virtio_serial_save(QEMUFile *f, void *opaque) @@ -551,12 +551,13 @@ static void virtio_serial_save_device(VirtIODevice *vdev, QEMUFile *f) VirtIOSerialPort *port; uint32_t nr_active_ports; unsigned int i, max_nr_ports; + struct virtio_console_config config; - /* The config space */ - qemu_put_be16s(f, &s->config.cols); - qemu_put_be16s(f, &s->config.rows); - - qemu_put_be32s(f, &s->config.max_nr_ports); + /* The config space (ignored on the far end in current versions) */ + get_config(vdev, (uint8_t *)&config); + qemu_put_be16s(f, &config.cols); + qemu_put_be16s(f, &config.rows); + qemu_put_be32s(f, &config.max_nr_ports); /* The ports map */ max_nr_ports = s->serial.max_virtserial_ports; @@ -987,8 +988,6 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp) vser->ovqs[i] = virtio_add_queue(vdev, 128, handle_output); } - vser->config.max_nr_ports = - virtio_tswap32(vdev, vser->serial.max_virtserial_ports); vser->ports_map = g_malloc0(((vser->serial.max_virtserial_ports + 31) / 32) * sizeof(vser->ports_map[0])); /* |