arch/x86/xen/mmu.h

   1 #ifndef _XEN_MMU_H
   2
   3 #include <linux/linkage.h>
   4 #include <asm/page.h>
   5
   6 enum pt_level {
   7         PT_PGD,
   8         PT_P4D,
   9         PT_PUD,
  10         PT_PMD,
  11         PT_PTE
  12 };
  13
  14
  15 bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
  16
  17 void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
  18
  19 pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
  20 void  xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
  21                                   pte_t *ptep, pte_t pte);
  22
  23 unsigned long xen_read_cr2_direct(void);
  24
  25 extern void xen_init_mmu_ops(void);
  26 extern void xen_hvm_init_mmu_ops(void);
  27 #endif  /* _XEN_MMU_H */