116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/*
|
|
* Virtio serial PCI Bindings
|
|
*
|
|
* Copyright IBM, Corp. 2007
|
|
* Copyright (c) 2009 CodeSourcery
|
|
*
|
|
* Authors:
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
* Paul Brook <paul@codesourcery.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
* Contributions after 2012-01-13 are licensed under the terms of the
|
|
* GNU GPL, version 2 or (at your option) any later version.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "hw/virtio/virtio-serial.h"
|
|
#include "virtio-pci.h"
|
|
|
|
typedef struct VirtIOSerialPCI VirtIOSerialPCI;
|
|
|
|
/*
|
|
* virtio-serial-pci: This extends VirtioPCIProxy.
|
|
*/
|
|
#define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci-base"
|
|
#define VIRTIO_SERIAL_PCI(obj) \
|
|
OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
|
|
|
|
struct VirtIOSerialPCI {
|
|
VirtIOPCIProxy parent_obj;
|
|
VirtIOSerial vdev;
|
|
};
|
|
|
|
static void virtio_serial_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
|
|
{
|
|
VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(vpci_dev);
|
|
DeviceState *vdev = DEVICE(&dev->vdev);
|
|
DeviceState *proxy = DEVICE(vpci_dev);
|
|
char *bus_name;
|
|
|
|
if (vpci_dev->class_code != PCI_CLASS_COMMUNICATION_OTHER &&
|
|
vpci_dev->class_code != PCI_CLASS_DISPLAY_OTHER && /* qemu 0.10 */
|
|
vpci_dev->class_code != PCI_CLASS_OTHERS) { /* qemu-kvm */
|
|
vpci_dev->class_code = PCI_CLASS_COMMUNICATION_OTHER;
|
|
}
|
|
|
|
/* backwards-compatibility with machines that were created with
|
|
DEV_NVECTORS_UNSPECIFIED */
|
|
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
|
|
vpci_dev->nvectors = dev->vdev.serial.max_virtserial_ports + 1;
|
|
}
|
|
|
|
/*
|
|
* For command line compatibility, this sets the virtio-serial-device bus
|
|
* name as before.
|
|
*/
|
|
if (proxy->id) {
|
|
bus_name = g_strdup_printf("%s.0", proxy->id);
|
|
virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
|
|
g_free(bus_name);
|
|
}
|
|
|
|
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
|
|
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
|
|
}
|
|
|
|
static Property virtio_serial_pci_properties[] = {
|
|
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
|
|
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
|
|
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
|
|
DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void virtio_serial_pci_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
|
|
PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
|
|
k->realize = virtio_serial_pci_realize;
|
|
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
|
|
dc->props = virtio_serial_pci_properties;
|
|
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
|
|
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE;
|
|
pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
|
|
pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
|
|
}
|
|
|
|
static void virtio_serial_pci_instance_init(Object *obj)
|
|
{
|
|
VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj);
|
|
|
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
TYPE_VIRTIO_SERIAL);
|
|
}
|
|
|
|
static const VirtioPCIDeviceTypeInfo virtio_serial_pci_info = {
|
|
.base_name = TYPE_VIRTIO_SERIAL_PCI,
|
|
.generic_name = "virtio-serial-pci",
|
|
.transitional_name = "virtio-serial-pci-transitional",
|
|
.non_transitional_name = "virtio-serial-pci-non-transitional",
|
|
.instance_size = sizeof(VirtIOSerialPCI),
|
|
.instance_init = virtio_serial_pci_instance_init,
|
|
.class_init = virtio_serial_pci_class_init,
|
|
};
|
|
|
|
static void virtio_serial_pci_register(void)
|
|
{
|
|
virtio_pci_types_register(&virtio_serial_pci_info);
|
|
}
|
|
|
|
type_init(virtio_serial_pci_register)
|