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virtio-input: core code & base class [pci] 

This patch adds the virtio-pci support bits for virtio-input-device.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-06-04 12:34:41 +02:00 committed by Michael S. Tsirkin
parent ffaa050371
commit f958c8aa13
2 changed files with 50 additions and 0 deletions
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36
hw/virtio/virtio-pci.c
View File

@ -24,6 +24,7 @@
#include "hw/virtio/virtio-serial.h"
#include "hw/virtio/virtio-scsi.h"
#include "hw/virtio/virtio-balloon.h"
#include "hw/virtio/virtio-input.h"
#include "hw/pci/pci.h"
#include "qemu/error-report.h"
#include "hw/pci/msi.h"
@ -1897,6 +1898,40 @@ static const TypeInfo virtio_rng_pci_info = {
.class_init = virtio_rng_pci_class_init,
};
/* virtio-input-pci */
static void virtio_input_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
VirtIOInputPCI *vinput = VIRTIO_INPUT_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&vinput->vdev);
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
/* force virtio-1.0 */
vpci_dev->flags &= ~VIRTIO_PCI_FLAG_DISABLE_MODERN;
vpci_dev->flags |= VIRTIO_PCI_FLAG_DISABLE_LEGACY;
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
}
static void virtio_input_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_input_pci_realize;
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
pcidev_k->class_id = PCI_CLASS_INPUT_OTHER;
}
static const TypeInfo virtio_input_pci_info = {
.name = TYPE_VIRTIO_INPUT_PCI,
.parent = TYPE_VIRTIO_PCI,
.instance_size = sizeof(VirtIOInputPCI),
.class_init = virtio_input_pci_class_init,
.abstract = true,
};
/* virtio-pci-bus */
static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size,
@ -1938,6 +1973,7 @@ static const TypeInfo virtio_pci_bus_info = {
static void virtio_pci_register_types(void)
{
type_register_static(&virtio_rng_pci_info);
type_register_static(&virtio_input_pci_info);
type_register_static(&virtio_pci_bus_info);
type_register_static(&virtio_pci_info);
#ifdef CONFIG_VIRTFS

14
hw/virtio/virtio-pci.h
View File

@ -24,6 +24,7 @@
#include "hw/virtio/virtio-balloon.h"
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-9p.h"
#include "hw/virtio/virtio-input.h"
#ifdef CONFIG_VIRTFS
#include "hw/9pfs/virtio-9p.h"
#endif
@ -39,6 +40,7 @@ typedef struct VirtIOSerialPCI VirtIOSerialPCI;
typedef struct VirtIONetPCI VirtIONetPCI;
typedef struct VHostSCSIPCI VHostSCSIPCI;
typedef struct VirtIORngPCI VirtIORngPCI;
typedef struct VirtIOInputPCI VirtIOInputPCI;
/* virtio-pci-bus */
@ -234,6 +236,18 @@ struct VirtIORngPCI {
VirtIORNG vdev;
};
/*
* virtio-input-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci"
#define VIRTIO_INPUT_PCI(obj) \
OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI)
struct VirtIOInputPCI {
VirtIOPCIProxy parent_obj;
VirtIOInput vdev;
};
/* Virtio ABI version, if we increment this, we break the guest driver. */
#define VIRTIO_PCI_ABI_VERSION 0