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[Qemu-devel] [PATCH v1 2/2] virtio-gpu-ccw: Create a virtio gpu device f
From: |
Farhan Ali |
Subject: |
[Qemu-devel] [PATCH v1 2/2] virtio-gpu-ccw: Create a virtio gpu device for the ccw bus |
Date: |
Tue, 12 Sep 2017 10:26:21 -0400 |
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 <address@hidden>
Acked-by: Christian Borntraeger <address@hidden>
---
hw/s390x/virtio-ccw.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
hw/s390x/virtio-ccw.h | 10 ++++++++++
2 files changed, 64 insertions(+)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index b1976fd..3078bf0 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1007,6 +1007,20 @@ 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);
+ Error *err = NULL;
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+}
+
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
* be careful and test performance if you change this.
*/
@@ -1616,6 +1630,45 @@ 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;
@@ -1815,6 +1868,7 @@ 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)
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 41d4010..541fdd2 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -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
--
1.9.1