diff options
Diffstat (limited to 'drivers/iommu/qcom/msm_iommu_pagetable.h')
| -rw-r--r-- | drivers/iommu/qcom/msm_iommu_pagetable.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/iommu/qcom/msm_iommu_pagetable.h b/drivers/iommu/qcom/msm_iommu_pagetable.h new file mode 100644 index 000000000000..12a8d274f95e --- /dev/null +++ b/drivers/iommu/qcom/msm_iommu_pagetable.h @@ -0,0 +1,33 @@ +/* Copyright (c) 2012-2014, 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 int va, + struct scatterlist *sg, unsigned int len, int prot); +void msm_iommu_pagetable_unmap_range(struct msm_iommu_pt *pt, unsigned int va, + unsigned int len); +phys_addr_t msm_iommu_iova_to_phys_soft(struct iommu_domain *domain, + phys_addr_t va); +void msm_iommu_pagetable_free_tables(struct msm_iommu_pt *pt, unsigned long va, + size_t len); +#endif |