From 1f8ad88935f5cb5a2968909e392dbeee1a84b931 Mon Sep 17 00:00:00 2001 From: Farhan Ali Date: Fri, 15 Sep 2017 10:40:32 -0400 Subject: [PATCH] virtio-ccw: Create a virtio gpu device for the ccw bus 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 Acked-by: Christian Borntraeger Reviewed-by: Halil Pasic Reviewed-by: Thomas Huth Message-Id: <6c53f939cf2d64b66d2a6878b29c9bf3820f3d5b.1505485574.git.alifm@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck --- hw/s390x/virtio-ccw.c | 49 +++++++++++++++++++++++++++++++++++++++++++ hw/s390x/virtio-ccw.h | 10 +++++++++ 2 files changed, 59 insertions(+) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 2262b0cc9a..ff1bb1534c 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -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) diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h index 41d4010378..541fdd2994 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