18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef __ASM_TLBFLUSH_H 38c2ecf20Sopenharmony_ci#define __ASM_TLBFLUSH_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/mm.h> 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci/* 88c2ecf20Sopenharmony_ci * TLB flushing: 98c2ecf20Sopenharmony_ci * 108c2ecf20Sopenharmony_ci * - flush_tlb_all() flushes all processes TLB entries 118c2ecf20Sopenharmony_ci * - flush_tlb_mm(mm) flushes the specified mm context TLB entries 128c2ecf20Sopenharmony_ci * - flush_tlb_page(vma, vmaddr) flushes one page 138c2ecf20Sopenharmony_ci * - flush_tlb_range(vma, start, end) flushes a range of pages 148c2ecf20Sopenharmony_ci * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages 158c2ecf20Sopenharmony_ci */ 168c2ecf20Sopenharmony_ciextern void local_flush_tlb_all(void); 178c2ecf20Sopenharmony_ciextern void local_flush_tlb_range(struct vm_area_struct *vma, 188c2ecf20Sopenharmony_ci unsigned long start, unsigned long end); 198c2ecf20Sopenharmony_ciextern void local_flush_tlb_kernel_range(unsigned long start, 208c2ecf20Sopenharmony_ci unsigned long end); 218c2ecf20Sopenharmony_ciextern void local_flush_tlb_page(struct vm_area_struct *vma, 228c2ecf20Sopenharmony_ci unsigned long page); 238c2ecf20Sopenharmony_ciextern void local_flush_tlb_one(unsigned long vaddr); 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci#include <asm/mmu_context.h> 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci#ifdef CONFIG_SMP 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciextern void flush_tlb_all(void); 308c2ecf20Sopenharmony_ciextern void flush_tlb_mm(struct mm_struct *); 318c2ecf20Sopenharmony_ciextern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, 328c2ecf20Sopenharmony_ci 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) drop_mmu_context(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) \ 438c2ecf20Sopenharmony_ci local_flush_tlb_kernel_range(vmaddr, end) 448c2ecf20Sopenharmony_ci#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) 458c2ecf20Sopenharmony_ci#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_ci#endif /* CONFIG_SMP */ 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ci#endif /* __ASM_TLBFLUSH_H */ 50