diff options
| -rw-r--r-- | hw/char/virtio-serial-bus.c | 45 | ||||
| -rw-r--r-- | include/hw/virtio/virtio-serial.h | 2 |
2 files changed, 18 insertions, 29 deletions
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index a7b1b68984..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) @@ -551,15 +551,16 @@ 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 = virtio_tswap32(vdev, s->config.max_nr_ports); + max_nr_ports = s->serial.max_virtserial_ports; for (i = 0; i < (max_nr_ports + 31) / 32; i++) { qemu_put_be32s(f, &s->ports_map[i]); } @@ -715,13 +716,7 @@ static int virtio_serial_load_device(VirtIODevice *vdev, QEMUFile *f, qemu_get_be16s(f, (uint16_t *) &tmp); qemu_get_be32s(f, &tmp); - /* Note: this is the only location where we use tswap32() instead of - * virtio_tswap32() because: - * - virtio_tswap32() only makes sense when the device is fully restored - * - the target endianness that was used to populate s->config is - * necessarly the default one - */ - max_nr_ports = tswap32(s->config.max_nr_ports); + max_nr_ports = s->serial.max_virtserial_ports; for (i = 0; i < (max_nr_ports + 31) / 32; i++) { qemu_get_be32s(f, &ports_map); @@ -784,10 +779,9 @@ static void virtser_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent) /* This function is only used if a port id is not provided by the user */ static uint32_t find_free_port_id(VirtIOSerial *vser) { - VirtIODevice *vdev = VIRTIO_DEVICE(vser); unsigned int i, max_nr_ports; - max_nr_ports = virtio_tswap32(vdev, vser->config.max_nr_ports); + max_nr_ports = vser->serial.max_virtserial_ports; for (i = 0; i < (max_nr_ports + 31) / 32; i++) { uint32_t map, bit; @@ -848,7 +842,6 @@ static void virtser_port_device_realize(DeviceState *dev, Error **errp) VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev); VirtIOSerialPortClass *vsc = VIRTIO_SERIAL_PORT_GET_CLASS(port); VirtIOSerialBus *bus = VIRTIO_SERIAL_BUS(qdev_get_parent_bus(dev)); - VirtIODevice *vdev = VIRTIO_DEVICE(bus->vser); int max_nr_ports; bool plugging_port0; Error *err = NULL; @@ -890,7 +883,7 @@ static void virtser_port_device_realize(DeviceState *dev, Error **errp) } } - max_nr_ports = virtio_tswap32(vdev, port->vser->config.max_nr_ports); + max_nr_ports = port->vser->serial.max_virtserial_ports; if (port->id >= max_nr_ports) { error_setg(errp, "virtio-serial-bus: Out-of-range port id specified, " "max. allowed: %u", max_nr_ports - 1); @@ -995,8 +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])); /* diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h index a679e54aab..11af978a96 100644 --- a/include/hw/virtio/virtio-serial.h +++ b/include/hw/virtio/virtio-serial.h @@ -207,8 +207,6 @@ struct VirtIOSerial { /* bitmap for identifying active ports */ uint32_t *ports_map; - struct virtio_console_config config; - struct VirtIOSerialPostLoad *post_load; virtio_serial_conf serial; |