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virtio-ccw: Create a virtio gpu device for the ccw bus

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Wire up the virtio-gpu device for the CCW bus. The virtio-gpu
is a virtio-1 device, so disable revision 0.

Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <6c53f939cf2d64b66d2a6878b29c9bf3820f3d5b.1505485574.git.alifm@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Farhan Ali 2017-09-15 10:40:32 -04:00 committed by Cornelia Huck
parent 1715d6b59c
commit 1f8ad88935
2 changed files with 59 additions and 0 deletions
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49
hw/s390x/virtio-ccw.c
View File

@ -1005,6 +1005,15 @@ static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
NULL);
}
static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp)
{
VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
}
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
* be careful and test performance if you change this.
*/
@ -1614,6 +1623,45 @@ static const TypeInfo virtio_ccw_crypto = {
.class_init = virtio_ccw_crypto_class_init,
};
static Property virtio_ccw_gpu_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
VIRTIO_CCW_MAX_REV),
DEFINE_PROP_END_OF_LIST(),
};
static void virtio_ccw_gpu_instance_init(Object *obj)
{
VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj);
VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
ccw_dev->force_revision_1 = true;
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_GPU);
}
static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
k->realize = virtio_ccw_gpu_realize;
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_gpu_properties;
dc->hotpluggable = false;
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
}
static const TypeInfo virtio_ccw_gpu = {
.name = TYPE_VIRTIO_GPU_CCW,
.parent = TYPE_VIRTIO_CCW_DEVICE,
.instance_size = sizeof(VirtIOGPUCcw),
.instance_init = virtio_ccw_gpu_instance_init,
.class_init = virtio_ccw_gpu_class_init,
};
static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
@ -1813,6 +1861,7 @@ static void virtio_ccw_register(void)
type_register_static(&vhost_vsock_ccw_info);
#endif
type_register_static(&virtio_ccw_crypto);
type_register_static(&virtio_ccw_gpu);
}
type_init(virtio_ccw_register)

10
hw/s390x/virtio-ccw.h
View File

@ -27,6 +27,7 @@
#ifdef CONFIG_VHOST_VSOCK
#include "hw/virtio/vhost-vsock.h"
#endif /* CONFIG_VHOST_VSOCK */
#include "hw/virtio/virtio-gpu.h"
#include "hw/s390x/s390_flic.h"
#include "hw/s390x/css.h"
@ -223,4 +224,13 @@ typedef struct VHostVSockCCWState {
#endif /* CONFIG_VHOST_VSOCK */
#define TYPE_VIRTIO_GPU_CCW "virtio-gpu-ccw"
#define VIRTIO_GPU_CCW(obj) \
OBJECT_CHECK(VirtIOGPUCcw, (obj), TYPE_VIRTIO_GPU_CCW)
typedef struct VirtIOGPUCcw {
VirtioCcwDevice parent_obj;
VirtIOGPU vdev;
} VirtIOGPUCcw;
#endif