1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Page table types definitions. 4 * 5 * Copyright (C) 2014 ARM Ltd. 6 * Author: Catalin Marinas <catalin.marinas@arm.com> 7 */ 8 9#ifndef __ASM_PGTABLE_TYPES_H 10#define __ASM_PGTABLE_TYPES_H 11 12#include <asm/types.h> 13 14typedef u64 pteval_t; 15typedef u64 pmdval_t; 16typedef u64 pudval_t; 17typedef u64 pgdval_t; 18 19/* 20 * These are used to make use of C type-checking.. 21 */ 22typedef struct { pteval_t pte; } pte_t; 23#define pte_val(x) ((x).pte) 24#define __pte(x) ((pte_t) { (x) } ) 25 26#if CONFIG_PGTABLE_LEVELS > 2 27typedef struct { pmdval_t pmd; } pmd_t; 28#define pmd_val(x) ((x).pmd) 29#define __pmd(x) ((pmd_t) { (x) } ) 30#endif 31 32#if CONFIG_PGTABLE_LEVELS > 3 33typedef struct { pudval_t pud; } pud_t; 34#define pud_val(x) ((x).pud) 35#define __pud(x) ((pud_t) { (x) } ) 36#endif 37 38typedef struct { pgdval_t pgd; } pgd_t; 39#define pgd_val(x) ((x).pgd) 40#define __pgd(x) ((pgd_t) { (x) } ) 41 42typedef struct { pteval_t pgprot; } pgprot_t; 43#define pgprot_val(x) ((x).pgprot) 44#define __pgprot(x) ((pgprot_t) { (x) } ) 45 46#if CONFIG_PGTABLE_LEVELS == 2 47#define __ARCH_USE_5LEVEL_HACK 48#include <asm-generic/pgtable-nopmd.h> 49#elif CONFIG_PGTABLE_LEVELS == 3 50#define __ARCH_USE_5LEVEL_HACK 51#include <asm-generic/pgtable-nopud.h> 52#elif CONFIG_PGTABLE_LEVELS == 4 53#include <asm-generic/5level-fixup.h> 54#endif 55 56#endif /* __ASM_PGTABLE_TYPES_H */ 57