1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * OpenRISC Linux 4 * 5 * Linux architectural port borrowing liberally from similar works of 6 * others. All original copyrights apply as per the original source 7 * declaration. 8 * 9 * OpenRISC implementation: 10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 12 * et al. 13 */ 14 15#ifndef __ASM_OPENRISC_TLBFLUSH_H 16#define __ASM_OPENRISC_TLBFLUSH_H 17 18#include <linux/mm.h> 19#include <asm/processor.h> 20#include <asm/pgtable.h> 21#include <asm/pgalloc.h> 22#include <asm/current.h> 23#include <linux/sched.h> 24 25/* 26 * - flush_tlb() flushes the current mm struct TLBs 27 * - flush_tlb_all() flushes all processes TLBs 28 * - flush_tlb_mm(mm) flushes the specified mm context TLB's 29 * - flush_tlb_page(vma, vmaddr) flushes one page 30 * - flush_tlb_range(mm, start, end) flushes a range of pages 31 */ 32extern void local_flush_tlb_all(void); 33extern void local_flush_tlb_mm(struct mm_struct *mm); 34extern void local_flush_tlb_page(struct vm_area_struct *vma, 35 unsigned long addr); 36extern void local_flush_tlb_range(struct vm_area_struct *vma, 37 unsigned long start, 38 unsigned long end); 39 40#ifndef CONFIG_SMP 41#define flush_tlb_all local_flush_tlb_all 42#define flush_tlb_mm local_flush_tlb_mm 43#define flush_tlb_page local_flush_tlb_page 44#define flush_tlb_range local_flush_tlb_range 45#else 46extern void flush_tlb_all(void); 47extern void flush_tlb_mm(struct mm_struct *mm); 48extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); 49extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, 50 unsigned long end); 51#endif 52 53static inline void flush_tlb(void) 54{ 55 flush_tlb_mm(current->mm); 56} 57 58static inline void flush_tlb_kernel_range(unsigned long start, 59 unsigned long end) 60{ 61 flush_tlb_range(NULL, start, end); 62} 63 64#endif /* __ASM_OPENRISC_TLBFLUSH_H */ 65