arch/um/include/tlb.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __TLB_H__
   7 #define __TLB_H__
   8
   9 #include "um_mmu.h"
  10
  11 struct host_vm_op {
  12         enum { NONE, MMAP, MUNMAP, MPROTECT } type;
  13         union {
  14                 struct {
  15                         unsigned long addr;
  16                         unsigned long len;
  17                         unsigned int prot;
  18                         int fd;
  19                         __u64 offset;
  20                 } mmap;
  21                 struct {
  22                         unsigned long addr;
  23                         unsigned long len;
  24                 } munmap;
  25                 struct {
  26                         unsigned long addr;
  27                         unsigned long len;
  28                         unsigned int prot;
  29                 } mprotect;
  30         } u;
  31 };
  32
  33 extern void force_flush_all(void);
  34 extern void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
  35                              unsigned long end_addr, int force,
  36                              int (*do_ops)(union mm_context *,
  37                                            struct host_vm_op *, int, int,
  38                                            void **));
  39 extern int flush_tlb_kernel_range_common(unsigned long start,
  40                                          unsigned long end);
  41
  42 #endif