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/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#ifndef __TLB_H__
#define __TLB_H__
#include "um_mmu.h"
struct host_vm_op {
enum { MMAP, MUNMAP, MPROTECT } type;
union {
struct {
unsigned long addr;
unsigned long len;
unsigned int r:1;
unsigned int w:1;
unsigned int x:1;
int fd;
__u64 offset;
} mmap;
struct {
unsigned long addr;
unsigned long len;
} munmap;
struct {
unsigned long addr;
unsigned long len;
unsigned int r:1;
unsigned int w:1;
unsigned int x:1;
} mprotect;
} u;
};
extern void mprotect_kernel_vm(int w);
extern void force_flush_all(void);
extern void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
unsigned long end_addr, int force,
void (*do_ops)(union mm_context *,
struct host_vm_op *, int));
extern int flush_tlb_kernel_range_common(unsigned long start,
unsigned long end);
extern int add_mmap(unsigned long virt, unsigned long phys, unsigned long len,
int r, int w, int x, struct host_vm_op *ops, int index,
int last_filled, union mm_context *mmu,
void (*do_ops)(union mm_context *, struct host_vm_op *,
int));
extern int add_munmap(unsigned long addr, unsigned long len,
struct host_vm_op *ops, int index, int last_filled,
union mm_context *mmu,
void (*do_ops)(union mm_context *, struct host_vm_op *,
int));
extern int add_mprotect(unsigned long addr, unsigned long len, int r, int w,
int x, struct host_vm_op *ops, int index,
int last_filled, union mm_context *mmu,
void (*do_ops)(union mm_context *, struct host_vm_op *,
int));
#endif
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