spapr_irq: Expose the phandle of the interrupt controller
[qemu/ar7.git] / hw / virtio / virtio-serial-pci.c
blob971b2eb8d804e541d517cc11925f99e8ac7a66f3
1 /*
2 * Virtio serial PCI Bindings
4 * Copyright IBM, Corp. 2007
5 * Copyright (c) 2009 CodeSourcery
7 * Authors:
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paul Brook <paul@codesourcery.com>
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
14 * Contributions after 2012-01-13 are licensed under the terms of the
15 * GNU GPL, version 2 or (at your option) any later version.
18 #include "qemu/osdep.h"
20 #include "hw/virtio/virtio-serial.h"
21 #include "virtio-pci.h"
23 typedef struct VirtIOSerialPCI VirtIOSerialPCI;
26 * virtio-serial-pci: This extends VirtioPCIProxy.
28 #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci-base"
29 #define VIRTIO_SERIAL_PCI(obj) \
30 OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
32 struct VirtIOSerialPCI {
33 VirtIOPCIProxy parent_obj;
34 VirtIOSerial vdev;
37 static void virtio_serial_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
39 VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(vpci_dev);
40 DeviceState *vdev = DEVICE(&dev->vdev);
41 DeviceState *proxy = DEVICE(vpci_dev);
42 char *bus_name;
44 if (vpci_dev->class_code != PCI_CLASS_COMMUNICATION_OTHER &&
45 vpci_dev->class_code != PCI_CLASS_DISPLAY_OTHER && /* qemu 0.10 */
46 vpci_dev->class_code != PCI_CLASS_OTHERS) { /* qemu-kvm */
47 vpci_dev->class_code = PCI_CLASS_COMMUNICATION_OTHER;
50 /* backwards-compatibility with machines that were created with
51 DEV_NVECTORS_UNSPECIFIED */
52 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
53 vpci_dev->nvectors = dev->vdev.serial.max_virtserial_ports + 1;
57 * For command line compatibility, this sets the virtio-serial-device bus
58 * name as before.
60 if (proxy->id) {
61 bus_name = g_strdup_printf("%s.0", proxy->id);
62 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
63 g_free(bus_name);
66 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
67 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
70 static Property virtio_serial_pci_properties[] = {
71 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
72 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
73 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
74 DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
75 DEFINE_PROP_END_OF_LIST(),
78 static void virtio_serial_pci_class_init(ObjectClass *klass, void *data)
80 DeviceClass *dc = DEVICE_CLASS(klass);
81 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
82 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
83 k->realize = virtio_serial_pci_realize;
84 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
85 dc->props = virtio_serial_pci_properties;
86 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
87 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE;
88 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
89 pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
92 static void virtio_serial_pci_instance_init(Object *obj)
94 VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj);
96 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
97 TYPE_VIRTIO_SERIAL);
100 static const VirtioPCIDeviceTypeInfo virtio_serial_pci_info = {
101 .base_name = TYPE_VIRTIO_SERIAL_PCI,
102 .generic_name = "virtio-serial-pci",
103 .transitional_name = "virtio-serial-pci-transitional",
104 .non_transitional_name = "virtio-serial-pci-non-transitional",
105 .instance_size = sizeof(VirtIOSerialPCI),
106 .instance_init = virtio_serial_pci_instance_init,
107 .class_init = virtio_serial_pci_class_init,
110 static void virtio_serial_pci_register(void)
112 virtio_pci_types_register(&virtio_serial_pci_info);
115 type_init(virtio_serial_pci_register)