47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2012-2023 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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/*
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* Cache Policy API.
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*/
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#ifndef _KBASE_CACHE_POLICY_H_
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#define _KBASE_CACHE_POLICY_H_
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#include <linux/types.h>
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/**
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* kbase_cache_enabled - Choose the cache policy for a specific region
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* @flags: flags describing attributes of the region
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* @nr_pages: total number of pages (backed or not) for the region
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*
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* Tells whether the CPU and GPU caches should be enabled or not for a specific
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* region.
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* This function can be modified to customize the cache policy depending on the
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* flags and size of the region.
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*
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* Return: a combination of %KBASE_REG_CPU_CACHED and %KBASE_REG_GPU_CACHED
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* depending on the cache policy
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*/
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u32 kbase_cache_enabled(u32 flags, u32 nr_pages);
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#endif /* _KBASE_CACHE_POLICY_H_ */
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