mirror of https://gitee.com/openkylin/linux.git
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
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/*
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* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __TLB_H__
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#define __TLB_H__
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#include "um_mmu.h"
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struct host_vm_op {
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enum { MMAP, MUNMAP, MPROTECT } type;
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union {
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struct {
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unsigned long addr;
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unsigned long len;
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unsigned int r:1;
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unsigned int w:1;
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unsigned int x:1;
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int fd;
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__u64 offset;
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} mmap;
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struct {
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unsigned long addr;
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unsigned long len;
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} munmap;
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struct {
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unsigned long addr;
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unsigned long len;
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unsigned int r:1;
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unsigned int w:1;
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unsigned int x:1;
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} mprotect;
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} u;
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};
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extern void mprotect_kernel_vm(int w);
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extern void force_flush_all(void);
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extern void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
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unsigned long end_addr, int force, int data,
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void (*do_ops)(int, struct host_vm_op *, int));
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extern int flush_tlb_kernel_range_common(unsigned long start,
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unsigned long end);
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extern int add_mmap(unsigned long virt, unsigned long phys, unsigned long len,
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int r, int w, int x, struct host_vm_op *ops, int index,
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int last_filled, int data,
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void (*do_ops)(int, struct host_vm_op *, int));
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extern int add_munmap(unsigned long addr, unsigned long len,
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struct host_vm_op *ops, int index, int last_filled,
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int data, void (*do_ops)(int, struct host_vm_op *, int));
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extern int add_mprotect(unsigned long addr, unsigned long len, int r, int w,
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int x, struct host_vm_op *ops, int index,
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int last_filled, int data,
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void (*do_ops)(int, struct host_vm_op *, int));
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#endif
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* Emacs will notice this stuff at the end of the file and automatically
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* adjust the settings for this buffer only. This must remain at the end
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* of the file.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-file-style: "linux"
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* End:
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*/
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