xen, gfx passthrough: basic graphics passthrough support
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>
diff --git a/hw/core/machine.c b/hw/core/machine.c
index ac4654e..51ed6b2 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -226,6 +226,20 @@
ms->usb_disabled = !value;
}
+static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
+{
+ MachineState *ms = MACHINE(obj);
+
+ return ms->igd_gfx_passthru;
+}
+
+static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
+{
+ MachineState *ms = MACHINE(obj);
+
+ ms->igd_gfx_passthru = value;
+}
+
static char *machine_get_firmware(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
@@ -388,6 +402,12 @@
object_property_set_description(obj, "usb",
"Set on/off to enable/disable usb",
NULL);
+ object_property_add_bool(obj, "igd-passthru",
+ machine_get_igd_gfx_passthru,
+ machine_set_igd_gfx_passthru, NULL);
+ object_property_set_description(obj, "igd-passthru",
+ "Set on/off to enable/disable igd passthrou",
+ NULL);
object_property_add_str(obj, "firmware",
machine_get_firmware,
machine_set_firmware, NULL);