vserver 2.0 rc7

[linux-2.6.git] / arch / um / include / tlb.h

diff --git a/arch/um/include/tlb.h b/arch/um/include/tlb.h
index ba230d8..da10972 100644 (file)
--- a/arch/um/include/tlb.h
+++ b/arch/um/include/tlb.h
@@ -6,9 +6,53 @@
 #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, int data,
+                            void (*do_ops)(int, 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, int data,
+                   void (*do_ops)(int, 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,
+                     int data, void (*do_ops)(int, 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, int data,
+                       void (*do_ops)(int, struct host_vm_op *, int));
 #endif
 
 /*