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hw/display: add vhost-user-vga & gpu-pci

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Add new virtio-gpu devices with a "vhost-user" property. The
associated vhost-user backend is used to handle the virtio rings and
provide rendering results thanks to the vhost-user-gpu protocol.

Example usage:
-object vhost-user-backend,id=vug,cmd="./vhost-user-gpu"
-device vhost-user-vga,vhost-user=vug

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190524130946.31736-10-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2019-05-24 15:09:46 +02:00 • committed by Gerd Hoffmann
parent c68082c43a
commit 267f664658
10 changed files with 779 additions and 23 deletions
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17
hw/display/virtio-gpu-pci.c
View file

@ -16,22 +16,7 @@
#include "hw/pci/pci.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-pci.h"
#include "hw/virtio/virtio-gpu.h"
typedef struct VirtIOGPUPCIBase VirtIOGPUPCIBase;
/*
* virtio-gpu-pci-base: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_GPU_PCI_BASE "virtio-gpu-pci-base"
#define VIRTIO_GPU_PCI_BASE(obj) \
OBJECT_CHECK(VirtIOGPUPCIBase, (obj), TYPE_VIRTIO_GPU_PCI_BASE)
struct VirtIOGPUPCIBase {
VirtIOPCIProxy parent_obj;
VirtIOGPUBase *vgpu;
};
#include "hw/virtio/virtio-gpu-pci.h"
static Property virtio_gpu_pci_base_properties[] = {
DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy),