1 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/drivers/virgl/virgl_resource.h b/src/gallium/drivers/virgl/virgl_resource.h
index fda795b6b5e..c17c753a596 100644
--- a/src/gallium/drivers/virgl/virgl_resource.h
+++ b/src/gallium/drivers/virgl/virgl_resource.h
@@ -52,6 +52,11 @@ struct virgl_resource {
    struct virgl_resource_metadata metadata;
 };
 
+enum virgl_transfer_map_type {
+   VIRGL_TRANSFER_MAP_ERROR = -1,
+   VIRGL_TRANSFER_MAP_HW_RES,
+};
+
 struct virgl_transfer {
    struct pipe_transfer base;
    uint32_t offset, l_stride;
@@ -117,7 +122,7 @@ static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs, unsigne
    return outbind;
 }
 
-void
+enum virgl_transfer_map_type
 virgl_resource_transfer_prepare(struct virgl_context *vctx,
                                 struct virgl_transfer *xfer);