oolong/mali_kbase_cache_policy.h

/*
 *
 * (C) COPYRIGHT 2012-2013, 2015 ARM Limited. All rights reserved.
 *
 * This program is free software and is provided to you under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation, and any use by you of this program is subject to the terms
 * of such GNU licence.
 *
 * A copy of the licence is included with the program, and can also be obtained
 * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 */

/*
 * Cache Policy API.
 */

#ifndef _KBASE_CACHE_POLICY_H_
#define _KBASE_CACHE_POLICY_H_

#include "mali_kbase.h"
#include "mali_base_kernel.h"

/**
 * kbase_cache_enabled - Choose the cache policy for a specific region
 * @flags:    flags describing attributes of the region
 * @nr_pages: total number of pages (backed or not) for the region
 *
 * Tells whether the CPU and GPU caches should be enabled or not for a specific
 * region.
 * This function can be modified to customize the cache policy depending on the
 * flags and size of the region.
 *
 * Return: a combination of %KBASE_REG_CPU_CACHED and %KBASE_REG_GPU_CACHED
 *         depending on the cache policy
 */
u32 kbase_cache_enabled(u32 flags, u32 nr_pages);

#endif // ifndef _KBASE_CACHE_POLICY_H_