static void usb_serial_realize(USBDevice *dev, Error **errp)
{
USBSerialState *s = USB_SERIAL_DEV(dev);
Error *local_err = NULL;
usb_desc_create_serial(dev);
usb_desc_init(dev);
dev->auto_attach = 0;
if (!s->cs) {
error_setg(errp, "Property chardev is required");
return;
}
usb_check_attach(dev, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
qemu_chr_add_handlers(s->cs, usb_serial_can_read, usb_serial_read,
usb_serial_event, s);
usb_serial_handle_reset(dev);
if (s->cs->be_open && !dev->attached) {
usb_device_attach(dev, &error_abort);
}
}
static void usb_msd_password_cb(void *opaque, int err)
{
MSDState *s = opaque;
if (!err)
usb_device_attach(&s->dev);
else
qdev_unplug(&s->dev.qdev);
}
static void usb_serial_event(void *opaque, int event)
{
USBSerialState *s = opaque;
switch (event) {
case CHR_EVENT_BREAK:
s->event_trigger |= FTDI_BI;
break;
case CHR_EVENT_OPENED:
if (!s->dev.attached) {
usb_device_attach(&s->dev, &error_abort);
}
break;
case CHR_EVENT_CLOSED:
if (s->dev.attached) {
usb_device_detach(&s->dev);
}
break;
}
}
static int usb_serial_initfn(USBDevice *dev)
{
USBSerialState *s = DO_UPCAST(USBSerialState, dev, dev);
usb_desc_create_serial(dev);
usb_desc_init(dev);
dev->auto_attach = 0;
if (!s->cs) {
error_report("Property chardev is required");
return -1;
}
qemu_chr_add_handlers(s->cs, &usb_serial_handlers, s);
usb_serial_handle_reset(dev);
if (s->cs->opened && !dev->attached) {
usb_device_attach(dev);
}
return 0;
}
