| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * |
| * (C) COPYRIGHT 2012-2013, 2015, 2020-2021 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 license. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| * |
| */ |
| |
| /* |
| * Cache Policy API. |
| */ |
| |
| #ifndef _KBASE_CACHE_POLICY_H_ |
| #define _KBASE_CACHE_POLICY_H_ |
| |
| #include "mali_kbase.h" |
| #include <uapi/gpu/arm/midgard/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 /* _KBASE_CACHE_POLICY_H_ */ |