intel-gtt: introduce drm/intel-gtt.h

Add a few definitions to it that are already shared and that will
be shared in the future (like the number of stolen entries).
No functional changes in here.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 18 insertions, 0 deletions

diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
new file mode 100644
index 000000000000..6769cb704e9b
--- /dev/null
+++ b/include/drm/intel-gtt.h
@@ -0,0 +1,18 @@
+/* Common header for intel-gtt.ko and i915.ko */
+
+#ifndef _DRM_INTEL_GTT_H
+#define _DRM_INTEL_GTT_H
+extern int intel_max_stolen; /* from AGP driver */
+
+struct intel_gtt {
+        /* Number of stolen gtt entries at the beginning. */
+        unsigned int gtt_stolen_entries;
+        /* Total number of gtt entries. */
+        unsigned int gtt_total_entries;
+        /* Part of the gtt that is mappable by the cpu, for those chips where
+         * this is not the full gtt. */
+        unsigned int gtt_mappable_entries;
+};
+
+#endif
+