gpu: ion: Add secure CMA heap
CMA can now be used for large contiguous allocations. Add
a dedicated heap for secure use cases. This heap intentionally
removes some functionality such as mmaping to userspace for
secure requirements.
Change-Id: I7de94499bd005b405fed546826dae44ae8bc4e20
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/drivers/gpu/ion/ion_priv.h b/drivers/gpu/ion/ion_priv.h
index 2473dd2..77ecfa5 100644
--- a/drivers/gpu/ion/ion_priv.h
+++ b/drivers/gpu/ion/ion_priv.h
@@ -2,7 +2,7 @@
* drivers/gpu/ion/ion_priv.h
*
* Copyright (C) 2011 Google, Inc.
- * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -262,6 +262,9 @@
#ifdef CONFIG_CMA
struct ion_heap *ion_cma_heap_create(struct ion_platform_heap *);
void ion_cma_heap_destroy(struct ion_heap *);
+
+struct ion_heap *ion_secure_cma_heap_create(struct ion_platform_heap *);
+void ion_secure_cma_heap_destroy(struct ion_heap *);
#endif
struct ion_heap *msm_get_contiguous_heap(void);