android_kernel_samsung_hero.../drivers/iommu/msm_iommu_pagetable.h
2016-08-17 16:41:52 +08:00

35 lines
1.5 KiB
C

/* Copyright (c) 2012-2015, 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 __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H
#define __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H
struct msm_iommu_pt;
void msm_iommu_pagetable_init(void);
int msm_iommu_pagetable_alloc(struct msm_iommu_pt *pt);
void msm_iommu_pagetable_free(struct msm_iommu_pt *pt);
int msm_iommu_pagetable_map(struct msm_iommu_pt *pt, unsigned long va,
phys_addr_t pa, size_t len, int prot);
size_t msm_iommu_pagetable_unmap(struct msm_iommu_pt *pt, unsigned long va,
size_t len);
int msm_iommu_pagetable_map_range(struct msm_iommu_pt *pt, unsigned long va,
struct scatterlist *sg, size_t len, int prot);
void msm_iommu_pagetable_unmap_range(struct msm_iommu_pt *pt, unsigned long va,
size_t len);
phys_addr_t msm_iommu_iova_to_phys_soft(struct iommu_domain *domain,
dma_addr_t va);
void msm_iommu_pagetable_free_tables(struct msm_iommu_pt *pt, unsigned long va,
size_t len);
void msm_iommu_flush_pagetable(struct msm_iommu_pt *pt, unsigned long va,
size_t len);
#endif