18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2020 Loongson Technology Corporation Limited 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci#ifndef __ASM_TLBFLUSH_H 68c2ecf20Sopenharmony_ci#define __ASM_TLBFLUSH_H 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#include <linux/mm.h> 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci/* 118c2ecf20Sopenharmony_ci * TLB flushing: 128c2ecf20Sopenharmony_ci * 138c2ecf20Sopenharmony_ci * - flush_tlb_all() flushes all processes TLB entries 148c2ecf20Sopenharmony_ci * - flush_tlb_mm(mm) flushes the specified mm context TLB entries 158c2ecf20Sopenharmony_ci * - flush_tlb_page(vma, vmaddr) flushes one page 168c2ecf20Sopenharmony_ci * - flush_tlb_range(vma, start, end) flushes a range of pages 178c2ecf20Sopenharmony_ci * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages 188c2ecf20Sopenharmony_ci */ 198c2ecf20Sopenharmony_ciextern void local_flush_tlb_all(void); 208c2ecf20Sopenharmony_ciextern void local_flush_tlb_user(void); 218c2ecf20Sopenharmony_ciextern void local_flush_tlb_kernel(void); 228c2ecf20Sopenharmony_ciextern void local_flush_tlb_mm(struct mm_struct *mm); 238c2ecf20Sopenharmony_ciextern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); 248c2ecf20Sopenharmony_ciextern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end); 258c2ecf20Sopenharmony_ciextern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page); 268c2ecf20Sopenharmony_ciextern void local_flush_tlb_one(unsigned long vaddr); 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci#ifdef CONFIG_SMP 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ciextern void flush_tlb_all(void); 318c2ecf20Sopenharmony_ciextern void flush_tlb_mm(struct mm_struct *); 328c2ecf20Sopenharmony_ciextern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long); 338c2ecf20Sopenharmony_ciextern void flush_tlb_kernel_range(unsigned long, unsigned long); 348c2ecf20Sopenharmony_ciextern void flush_tlb_page(struct vm_area_struct *, unsigned long); 358c2ecf20Sopenharmony_ciextern void flush_tlb_one(unsigned long vaddr); 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_ci#else /* CONFIG_SMP */ 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci#define flush_tlb_all() local_flush_tlb_all() 408c2ecf20Sopenharmony_ci#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) 418c2ecf20Sopenharmony_ci#define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end) 428c2ecf20Sopenharmony_ci#define flush_tlb_kernel_range(vmaddr,end) local_flush_tlb_kernel_range(vmaddr, end) 438c2ecf20Sopenharmony_ci#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) 448c2ecf20Sopenharmony_ci#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci#endif /* CONFIG_SMP */ 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ci#endif /* __ASM_TLBFLUSH_H */ 49