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32 lines
896 B
32 lines
896 B
/*
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* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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*/
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#ifndef __ARM_SMMU_ERRATA_H__
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#define __ARM_SMMU_ERRATA_H__
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#define ARM_SMMU_MIN_IOVA_ALIGN SZ_16K
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#define ARM_SMMU_GUARD_PROT (IOMMU_READ | IOMMU_WRITE | IOMMU_GUARD)
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#ifdef CONFIG_ARM_SMMU
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struct page *arm_smmu_errata_get_guard_page(int vmid);
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#else
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static inline struct page *arm_smmu_errata_get_guard_page(
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int vmid)
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{
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return NULL;
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}
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#endif
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#endif
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