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-rw-r--r--arch/um/include/tlb.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/um/include/tlb.h b/arch/um/include/tlb.h
new file mode 100644
index 000000000000..da1097285b8c
--- /dev/null
+++ b/arch/um/include/tlb.h
@@ -0,0 +1,67 @@
+/*
+ * 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, 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
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only. This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */