C++ qemu_chr_add_handlers函数代码示例

static int generic_port_init(VirtConsole *vcon, VirtIOSerialPort *port)
{
    if (vcon->chr) {
        qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event,
                              vcon);
        vcon->port.info->have_data = flush_buf;
    }
    return 0;
}

static void debugcon_init_core(DebugconState *s)
{
    if (!s->chr) {
        fprintf(stderr, "Can't create debugcon device, empty char device\n");
        exit(1);
    }

    qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, s);
}

static void milkymist_uart_realize(DeviceState *dev, Error **errp)
{
    MilkymistUartState *s = MILKYMIST_UART(dev);

    s->chr = qemu_char_get_next_serial();
    if (s->chr) {
        qemu_chr_add_handlers(s->chr, uart_can_rx, uart_rx, uart_event, s);
    }
}

static void etraxfs_ser_realize(DeviceState *dev, Error **errp)
{
    ETRAXSerial *s = ETRAX_SERIAL(dev);

    if (s->chr) {
        qemu_chr_add_handlers(s->chr,
                              serial_can_receive, serial_receive,
                              serial_event, s);
    }
}

static void
modem_driver_init( int  base_port, ModemDriver*  dm, CharDriverState*  cs )
{
    dm->cs     = cs;
    dm->in_pos = 0;
    dm->in_sms = 0;
    dm->modem  = amodem_create( base_port, modem_driver_unsol, dm );

    qemu_chr_add_handlers( cs, modem_driver_can_read, modem_driver_read, NULL, dm );
}

static void release_chr(Object *obj, const char *name, void *opaque)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr) {
        qemu_chr_add_handlers(*ptr, NULL, NULL, NULL, NULL);
    }
}

static void digic_uart_realize(DeviceState *dev, Error **errp)
{
    DigicUartState *s = DIGIC_UART(dev);

    /* FIXME use a qdev chardev prop instead of qemu_char_get_next_serial() */
    s->chr = qemu_char_get_next_serial();
    if (s->chr) {
        qemu_chr_add_handlers(s->chr, uart_can_rx, uart_rx, uart_event, s);
    }
}

static void
charbuffer_update_handlers( CharDriverState*  cs )
{
    CharBuffer*  cbuf = cs->opaque;

    qemu_chr_add_handlers( cbuf->endpoint,
                           cs->chr_can_read,
                           cs->chr_read,
                           cs->chr_event,
                           cs->handler_opaque );
}

static void ipmi_bmc_extern_realize(DeviceState *dev, Error **errp)
{
    IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(dev);

    if (!ibe->chr) {
        error_setg(errp, "IPMI external bmc requires chardev attribute");
        return;
    }

    qemu_chr_add_handlers(ibe->chr, can_receive, receive, chr_event, ibe);
}

static void test_server_create_chr(TestServer *server, const gchar *opt)
{
    gchar *chr_path;

    chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
    server->chr = qemu_chr_new(server->chr_name, chr_path, NULL);
    g_free(chr_path);

    qemu_chr_add_handlers(server->chr, chr_can_read, chr_read,
                          chr_event, server);
}

static int lm32_juart_init(SysBusDevice *dev)
{
    LM32JuartState *s = FROM_SYSBUS(typeof(*s), dev);

    s->chr = qemu_char_get_next_serial();
    if (s->chr) {
        qemu_chr_add_handlers(s->chr, juart_can_rx, juart_rx, juart_event, s);
    }

    return 0;
}

static void imx_serial_realize(DeviceState *dev, Error **errp)
{
    IMXSerialState *s = IMX_SERIAL(dev);

    if (s->chr) {
        qemu_chr_add_handlers(s->chr, imx_can_receive, imx_receive,
                              imx_event, s);
    } else {
        DPRINTF("No char dev for uart\n");
    }
}

static void serial_init_core(SerialState *s)
{
    if (!s->chr) {
        fprintf(stderr, "Can't create radio device, empty char device\n");
    	exit(1);
    }

    qemu_register_reset(radio_reset, s);

    qemu_chr_add_handlers(s->chr, serial_can_receive1, serial_receive1,
                          serial_event, s);
}

static int generic_port_init(VirtConsole *vcon, VirtIOSerialDevice *dev)
{
    vcon->port.info = dev->info;

    if (vcon->chr) {
        qemu_chr_add_handlers(vcon->chr, &chr_handlers, vcon);
        vcon->port.info->have_data = flush_buf;
        vcon->port.info->guest_open = guest_open;
        vcon->port.info->guest_close = guest_close;
    }
    return 0;
}

static void bcm2835_aux_realize(DeviceState *dev, Error **errp)
{
    BCM2835AuxState *s = BCM2835_AUX(dev);

    /* FIXME use a qdev chardev prop instead of qemu_char_get_next_serial() */
    s->chr = qemu_char_get_next_serial();

    if (s->chr) {
        qemu_chr_add_handlers(s->chr, bcm2835_aux_can_receive,
                              bcm2835_aux_receive, bcm2835_aux_event, s);
    }
}