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xen, gfx passthrough: basic graphics passthrough support

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basic gfx passthrough support:
- add a vga type for gfx passthrough
- register/unregister legacy VGA I/O ports and MMIOs for passthrough GFX

Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This commit is contained in:
Tiejun Chen 2015-07-15 13:37:45 +08:00 • committed by Stefano Stabellini
parent bcd7461e7e
commit 798141799c
10 changed files with 165 additions and 1 deletions
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5
hw/xen/xen-host-pci-device.c
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@ -376,6 +376,11 @@ int xen_host_pci_device_get(XenHostPCIDevice *d, uint16_t domain,
goto error;
}
d->irq = v;
rc = xen_host_pci_get_hex_value(d, "class", &v);
if (rc) {
goto error;
}
d->class_code = v;
d->is_virtfn = xen_host_pci_dev_is_virtfn(d);
return 0;