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virtio-gpu-pci: add virtio pci support

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This patch adds virtio-gpu-pci, which is the pci proxy for the virtio
gpu device.  With this patch in place virtio-gpu is functional.  You
need a linux guest with a virtio-gpu driver though, and output will
appear pretty late in boot, once the kernel initialized drm and fbcon.

Written by Dave Airlie and Gerd Hoffmann.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-09-10 14:20:34 +02:00
parent 2c84167b4e
commit 9eafb62d47
3 changed files with 83 additions and 0 deletions
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14
hw/virtio/virtio-pci.h
View file

@ -25,6 +25,7 @@
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-9p.h"
#include "hw/virtio/virtio-input.h"
#include "hw/virtio/virtio-gpu.h"
#ifdef CONFIG_VIRTFS
#include "hw/9pfs/virtio-9p.h"
#endif
@ -42,6 +43,7 @@ typedef struct VHostSCSIPCI VHostSCSIPCI;
typedef struct VirtIORngPCI VirtIORngPCI;
typedef struct VirtIOInputPCI VirtIOInputPCI;
typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
typedef struct VirtIOGPUPCI VirtIOGPUPCI;
/* virtio-pci-bus */
@ -261,6 +263,18 @@ struct VirtIOInputHIDPCI {
VirtIOInputHID vdev;
};
/*
* virtio-gpu-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
#define VIRTIO_GPU_PCI(obj) \
OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
struct VirtIOGPUPCI {
VirtIOPCIProxy parent_obj;
VirtIOGPU vdev;
};
/* Virtio ABI version, if we increment this, we break the guest driver. */
#define VIRTIO_PCI_ABI_VERSION 0