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virtio-vga: add virtio gpu device with vga compatibility

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This patch adds a virtio-vga device.  It is simliar to virtio-gpu-pci,
but it also adds in vga compatibility, so guests without native
virtio-gpu support can drive the device in vga mode.  It is compatible
with stdvga.

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 14:25:45 +02:00
parent 9eafb62d47
commit c5d4dac86b
5 changed files with 187 additions and 4 deletions
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8
hw/display/vga-pci.c
View file

@ -204,10 +204,10 @@ static const MemoryRegionOps pci_vga_qext_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void pci_std_vga_mmio_region_init(VGACommonState *s,
MemoryRegion *parent,
MemoryRegion *subs,
bool qext)
void pci_std_vga_mmio_region_init(VGACommonState *s,
MemoryRegion *parent,
MemoryRegion *subs,
bool qext)
{
memory_region_init_io(&subs[0], NULL, &pci_vga_ioport_ops, s,
"vga ioports remapped", PCI_VGA_IOPORT_SIZE);