drm/i915/gvt: keep oa config in shadow ctx

When populating shadow ctx from guest, we should handle oa related
registers in hw ctx, so that they will not be overlapped by guest oa
configs. This patch made it possible to capture oa data from host for
both host and guests.

Signed-off-by: Min He <min.he@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>

drivers/gpu/drm/i915/gvt/scheduler.h

@@ -110,6 +110,10 @@ struct intel_vgpu_workload {
 	/* shadow batch buffer */
 	struct list_head shadow_bb;
 	struct intel_shadow_wa_ctx wa_ctx;
+
+	/* oa registers */
+	u32 oactxctrl;
+	u32 flex_mmio[7];
 };
 
 struct intel_vgpu_shadow_bb {