Add boiler plate code for vhost-user-video-pci.
Example -device vhost-user-video-pci,chardev=video,id=video -chardev socket,path=video.sock,id=video
Signed-off-by: Peter Griffin peter.griffin@linaro.org --- hw/display/vhost-user-video-pci.c | 82 +++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 hw/display/vhost-user-video-pci.c
diff --git a/hw/display/vhost-user-video-pci.c b/hw/display/vhost-user-video-pci.c new file mode 100644 index 0000000000..ceeaad2742 --- /dev/null +++ b/hw/display/vhost-user-video-pci.c @@ -0,0 +1,82 @@ +/* + * Vhost-user VIDEO virtio device PCI glue + * + * Copyright (c) 2021 Linaro Ltd + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-video.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserVIDEOPCI { + VirtIOPCIProxy parent_obj; + VHostUserVIDEO vdev; +}; + +typedef struct VHostUserVIDEOPCI VHostUserVIDEOPCI; + +#define TYPE_VHOST_USER_VIDEO_PCI "vhost-user-video-pci-base" + +#define VHOST_USER_VIDEO_PCI(obj) \ + OBJECT_CHECK(VHostUserVIDEOPCI, (obj), TYPE_VHOST_USER_VIDEO_PCI) + +static Property vuvideo_pci_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, + DEV_NVECTORS_UNSPECIFIED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vuvideo_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserVIDEOPCI *dev = VHOST_USER_VIDEO_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors = 1; + } + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus), errp); + object_property_set_bool(OBJECT(vdev), "realized", true, errp); +} + +static void vuvideo_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 = vuvideo_pci_realize; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); + device_class_set_props(dc, vuvideo_pci_properties); + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision = 0x00; + pcidev_k->class_id = PCI_CLASS_STORAGE_OTHER; +} + +static void vuvideo_pci_instance_init(Object *obj) +{ + VHostUserVIDEOPCI *dev = VHOST_USER_VIDEO_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_VIDEO); +} + +static const VirtioPCIDeviceTypeInfo vuvideo_pci_info = { + .base_name = TYPE_VHOST_USER_VIDEO_PCI, + .non_transitional_name = "vhost-user-video-pci", + .instance_size = sizeof(VHostUserVIDEOPCI), + .instance_init = vuvideo_pci_instance_init, + .class_init = vuvideo_pci_class_init, +}; + +static void vuvideo_pci_register(void) +{ + virtio_pci_types_register(&vuvideo_pci_info); +} + +type_init(vuvideo_pci_register);