arch/x86/xen/mmu.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _XEN_MMU_H
   3
   4 #include <linux/linkage.h>
   5 #include <asm/page.h>
   6
   7 enum pt_level {
   8         PT_PGD,
   9         PT_P4D,
  10         PT_PUD,
  11         PT_PMD,
  12         PT_PTE
  13 };
  14
  15
  16 bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
  17
  18 void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
  19
  20 pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
  21 void  xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
  22                                   pte_t *ptep, pte_t pte);
  23
  24 unsigned long xen_read_cr2_direct(void);
  25
  26 extern void xen_init_mmu_ops(void);
  27 extern void xen_hvm_init_mmu_ops(void);
  28 #endif  /* _XEN_MMU_H */