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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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