/* SPDX-License-Identifier: GPL-2.0-only */ /* * omap iommu: pagetable definitions * * Copyright (C) 2008-2010 Nokia Corporation * * Written by Hiroshi DOYU <[email protected]> */ #ifndef _OMAP_IOPGTABLE_H #define _OMAP_IOPGTABLE_H #include <linux/bitops.h> /* * "L2 table" address mask and size definitions. */ #define IOPGD_SHIFT … #define IOPGD_SIZE … #define IOPGD_MASK … /* * "section" address mask and size definitions. */ #define IOSECTION_SHIFT … #define IOSECTION_SIZE … #define IOSECTION_MASK … /* * "supersection" address mask and size definitions. */ #define IOSUPER_SHIFT … #define IOSUPER_SIZE … #define IOSUPER_MASK … #define PTRS_PER_IOPGD … #define IOPGD_TABLE_SIZE … /* * "small page" address mask and size definitions. */ #define IOPTE_SHIFT … #define IOPTE_SIZE … #define IOPTE_MASK … /* * "large page" address mask and size definitions. */ #define IOLARGE_SHIFT … #define IOLARGE_SIZE … #define IOLARGE_MASK … #define PTRS_PER_IOPTE … #define IOPTE_TABLE_SIZE … #define IOPAGE_MASK … /** * omap_iommu_translate() - va to pa translation * @d: omap iommu descriptor * @va: virtual address * @mask: omap iommu descriptor mask * * va to pa translation */ static inline phys_addr_t omap_iommu_translate(unsigned long d, dma_addr_t va, dma_addr_t mask) { … } /* * some descriptor attributes. */ #define IOPGD_TABLE … #define IOPGD_SECTION … #define IOPGD_SUPER … #define iopgd_is_table(x) … #define iopgd_is_section(x) … #define iopgd_is_super(x) … #define IOPTE_SMALL … #define IOPTE_LARGE … #define iopte_is_small(x) … #define iopte_is_large(x) … /* to find an entry in a page-table-directory */ #define iopgd_index(da) … #define iopgd_offset(obj, da) … #define iopgd_page_paddr(iopgd) … #define iopgd_page_vaddr(iopgd) … /* to find an entry in the second-level page table. */ #define iopte_index(da) … #define iopte_offset(iopgd, da) … #endif /* _OMAP_IOPGTABLE_H */
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