2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Copyright 2003 PathScale, Inc.
4 * Licensed under the GPL
7 #include "linux/stddef.h"
8 #include "linux/sched.h"
11 #include "asm/pgtable.h"
13 #include "user_util.h"
20 static void do_ops(int fd, struct host_vm_op *ops, int last)
22 struct host_vm_op *op;
25 for(i = 0; i <= last; i++){
29 map(fd, op->u.mmap.addr, op->u.mmap.len,
30 op->u.mmap.r, op->u.mmap.w, op->u.mmap.x,
31 op->u.mmap.fd, op->u.mmap.offset);
34 unmap(fd, (void *) op->u.munmap.addr,
38 protect(fd, op->u.mprotect.addr, op->u.mprotect.len,
39 op->u.mprotect.r, op->u.mprotect.w,
43 printk("Unknown op type %d in do_ops\n", op->type);
49 static void fix_range(struct mm_struct *mm, unsigned long start_addr,
50 unsigned long end_addr, int force)
52 int fd = mm->context.skas.mm_fd;
54 fix_range_common(mm, start_addr, end_addr, force, fd, do_ops);
57 void __flush_tlb_one_skas(unsigned long addr)
59 flush_tlb_kernel_range_common(addr, addr + PAGE_SIZE);
62 void flush_tlb_range_skas(struct vm_area_struct *vma, unsigned long start,
65 if(vma->vm_mm == NULL)
66 flush_tlb_kernel_range_common(start, end);
67 else fix_range(vma->vm_mm, start, end, 0);
70 void flush_tlb_mm_skas(struct mm_struct *mm)
72 /* Don't bother flushing if this address space is about to be
75 if(atomic_read(&mm->mm_users) == 0)
78 fix_range(mm, 0, host_task_size, 0);
79 flush_tlb_kernel_range_common(start_vm, end_vm);
82 void force_flush_all_skas(void)
84 fix_range(current->mm, 0, host_task_size, 1);