C++ DEVICE_CLASS函数代码示例

static void scsi_generic_class_initfn(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);

    sc->realize      = scsi_generic_realize;
    sc->unrealize    = scsi_unrealize;
    sc->alloc_req    = scsi_new_request;
    sc->parse_cdb    = scsi_generic_parse_cdb;
    dc->fw_name = "disk";
    dc->desc = "pass through generic scsi device (/dev/sg*)";
    dc->reset = scsi_generic_reset;
    dc->props = scsi_generic_properties;
    dc->vmsd  = &vmstate_scsi_device;
}

static void apic_common_class_init(ObjectClass *klass, void *data)
{
    ICCDeviceClass *idc = ICC_DEVICE_CLASS(klass);
    DeviceClass *dc = DEVICE_CLASS(klass);

    dc->vmsd = &vmstate_apic_common;
    dc->reset = apic_reset_common;
    dc->props = apic_properties_common;
    idc->realize = apic_common_realize;
    /*
     * Reason: APIC and CPU need to be wired up by
     * x86_cpu_apic_create()
     */
    dc->cannot_instantiate_with_device_add_yet = true;
}

static void m25p80_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
    M25P80Class *mc = M25P80_CLASS(klass);

    k->realize = m25p80_realize;
    k->transfer = m25p80_transfer8;
    k->set_cs = m25p80_cs;
    k->cs_polarity = SSI_CS_LOW;
    dc->vmsd = &vmstate_m25p80;
    dc->props = m25p80_properties;
    dc->reset = m25p80_reset;
    mc->pi = data;
}

static void virtio_blk_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);

    dc->props = virtio_blk_properties;
    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
    vdc->realize = virtio_blk_device_realize;
    vdc->unrealize = virtio_blk_device_unrealize;
    vdc->get_config = virtio_blk_update_config;
    vdc->set_config = virtio_blk_set_config;
    vdc->get_features = virtio_blk_get_features;
    vdc->set_status = virtio_blk_set_status;
    vdc->reset = virtio_blk_reset;
}

static void usb_braille_class_initfn(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    USBDeviceClass *uc = USB_DEVICE_CLASS(klass);

    uc->init           = usb_serial_initfn;
    uc->product_desc   = "QEMU USB Braille";
    uc->usb_desc       = &desc_braille;
    uc->handle_reset   = usb_serial_handle_reset;
    uc->handle_control = usb_serial_handle_control;
    uc->handle_data    = usb_serial_handle_data;
    uc->handle_destroy = usb_serial_handle_destroy;
    dc->vmsd = &vmstate_usb_serial;
    dc->props = braille_properties;
}

static void pic_common_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);

    dc->vmsd = &vmstate_pic_common;
    dc->props = pic_properties_common;
    dc->realize = pic_common_realize;
    /*
     * Reason: unlike ordinary ISA devices, the PICs need additional
     * wiring: its IRQ input lines are set up by board code, and the
     * wiring of the slave to the master is hard-coded in device model
     * code.
     */
    dc->cannot_instantiate_with_device_add_yet = true;
}

static void virtio_vga_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);

    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
    dc->props = virtio_vga_properties;
    dc->reset = virtio_vga_reset;
    dc->hotpluggable = false;

    k->realize = virtio_vga_realize;
    pcidev_k->romfile = "vgabios-virtio.bin";
    pcidev_k->class_id = PCI_CLASS_DISPLAY_VGA;
}

static void lm32_cpu_class_init(ObjectClass *oc, void *data)
{
    LM32CPUClass *lcc = LM32_CPU_CLASS(oc);
    CPUClass *cc = CPU_CLASS(oc);
    DeviceClass *dc = DEVICE_CLASS(oc);

    lcc->parent_realize = dc->realize;
    dc->realize = lm32_cpu_realizefn;

    lcc->parent_reset = cc->reset;
    cc->reset = lm32_cpu_reset;

    cc->do_interrupt = lm32_cpu_do_interrupt;
    cpu_class_set_vmsd(cc, &vmstate_lm32_cpu);
}

static void quiesce_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SCLPEventClass *k = SCLP_EVENT_CLASS(klass);

    dc->reset = quiesce_reset;
    dc->vmsd = &vmstate_sclpquiesce;
    k->init = quiesce_init;

    k->get_send_mask = send_mask;
    k->get_receive_mask = receive_mask;
    k->can_handle_event = can_handle_event;
    k->read_event_data = read_event_data;
    k->write_event_data = NULL;
}

static void smbus_eeprom_class_initfn(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SMBusDeviceClass *sc = SMBUS_DEVICE_CLASS(klass);

    sc->init = smbus_eeprom_initfn;
    sc->quick_cmd = eeprom_quick_cmd;
    sc->send_byte = eeprom_send_byte;
    sc->receive_byte = eeprom_receive_byte;
    sc->write_data = eeprom_write_data;
    sc->read_data = eeprom_read_data;
    dc->props = smbus_eeprom_properties;
    /* Reason: pointer property "data" */
    dc->user_creatable = false;
}

static void usb_braille_class_initfn(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    USBDeviceClass *uc = USB_DEVICE_CLASS(klass);

    uc->realize        = usb_serial_realize;
    uc->product_desc   = "QEMU USB Braille";
    uc->usb_desc       = &desc_braille;
    uc->handle_reset   = usb_serial_handle_reset;
    uc->handle_control = usb_serial_handle_control;
    uc->handle_data    = usb_serial_handle_data;
    dc->vmsd = &vmstate_usb_serial;
    dc->props = braille_properties;
    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}

static void i6300esb_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);

    k->config_read = i6300esb_config_read;
    k->config_write = i6300esb_config_write;
    k->init = i6300esb_init;
    k->vendor_id = PCI_VENDOR_ID_INTEL;
    k->device_id = PCI_DEVICE_ID_INTEL_ESB_9;
    k->class_id = PCI_CLASS_SYSTEM_OTHER;
    dc->reset = i6300esb_reset;
    dc->vmsd = &vmstate_i6300esb;
    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
}

static void virtio_balloon_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);

    dc->props = virtio_balloon_properties;
    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
    vdc->realize = virtio_balloon_device_realize;
    vdc->unrealize = virtio_balloon_device_unrealize;
    vdc->get_config = virtio_balloon_get_config;
    vdc->set_config = virtio_balloon_set_config;
    vdc->get_features = virtio_balloon_get_features;
    vdc->save = virtio_balloon_save_device;
    vdc->load = virtio_balloon_load_device;
}

static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);

    k->init = pci_bridge_initfn;
    k->exit = pci_bridge_exitfn;
    k->vendor_id = PCI_VENDOR_ID_DEC;
    k->device_id = PCI_DEVICE_ID_DEC_21154;
    k->config_write = pci_bridge_write_config;
    k->is_bridge = 1;
    dc->desc = "DEC 21154 PCI-PCI bridge";
    dc->reset = pci_bridge_reset;
    dc->vmsd = &vmstate_pci_device;
}

static void vhost_scsi_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
    FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(klass);

    dc->props = vhost_scsi_properties;
    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
    vdc->realize = vhost_scsi_realize;
    vdc->unrealize = vhost_scsi_unrealize;
    vdc->get_features = vhost_scsi_get_features;
    vdc->set_config = vhost_scsi_set_config;
    vdc->set_status = vhost_scsi_set_status;
    fwc->get_dev_path = vhost_scsi_get_fw_dev_path;
}