| /* |
| * 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/qdev-properties.h" |
| #include "hw/virtio/virtio-serial.h" |
| #include "qemu/module.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); |
| device_class_set_props(dc, 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) |