blob: 3d36a526aedef223c4fa7cc255cf922259e8f154 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
*/
#ifndef __ARM_SMMU_ERRATA_H__
#define __ARM_SMMU_ERRATA_H__
#define ARM_SMMU_MIN_IOVA_ALIGN SZ_16K
#define ARM_SMMU_GUARD_PROT (IOMMU_READ | IOMMU_WRITE | IOMMU_GUARD)
#ifdef CONFIG_ARM_SMMU
struct page *arm_smmu_errata_get_guard_page(int vmid);
#else
static inline struct page *arm_smmu_errata_get_guard_page(
int vmid)
{
return NULL;
}
#endif
#endif
|
