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virtio-pci-bus: introduce virtio-pci-bus.

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Introduce virtio-pci-bus, which extends virtio-bus. It is used with virtio-pci
transport device.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
KONRAD Frederic 2013-01-15 00:08:03 +01:00 • committed by Anthony Liguori
parent 8e05db9234
commit 0a2acf5eb3
2 changed files with 52 additions and 0 deletions
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37
hw/virtio-pci.c
View file

@ -31,6 +31,7 @@
#include "sysemu/blockdev.h"
#include "virtio-pci.h"
#include "qemu/range.h"
#include "virtio-bus.h"
/* from Linux's linux/virtio_pci.h */
@ -1311,6 +1312,41 @@ static const TypeInfo virtio_scsi_info = {
.class_init = virtio_scsi_class_init,
};
/* virtio-pci-bus */
void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev)
{
DeviceState *qdev = DEVICE(dev);
BusState *qbus;
qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_PCI_BUS, qdev, NULL);
qbus = BUS(bus);
qbus->allow_hotplug = 0;
}
static void virtio_pci_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *bus_class = BUS_CLASS(klass);
VirtioBusClass *k = VIRTIO_BUS_CLASS(klass);
bus_class->max_dev = 1;
k->notify = virtio_pci_notify;
k->save_config = virtio_pci_save_config;
k->load_config = virtio_pci_load_config;
k->save_queue = virtio_pci_save_queue;
k->load_queue = virtio_pci_load_queue;
k->get_features = virtio_pci_get_features;
k->query_guest_notifiers = virtio_pci_query_guest_notifiers;
k->set_host_notifier = virtio_pci_set_host_notifier;
k->set_guest_notifiers = virtio_pci_set_guest_notifiers;
k->vmstate_change = virtio_pci_vmstate_change;
}
static const TypeInfo virtio_pci_bus_info = {
.name = TYPE_VIRTIO_PCI_BUS,
.parent = TYPE_VIRTIO_BUS,
.instance_size = sizeof(VirtioPCIBusState),
.class_init = virtio_pci_bus_class_init,
};
static void virtio_pci_register_types(void)
{
type_register_static(&virtio_blk_info);
@ -1319,6 +1355,7 @@ static void virtio_pci_register_types(void)
type_register_static(&virtio_balloon_info);
type_register_static(&virtio_scsi_info);
type_register_static(&virtio_rng_info);
type_register_static(&virtio_pci_bus_info);
}
type_init(virtio_pci_register_types)