mmu.h 1.7 KB

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  1. #ifndef _XEN_MMU_H
  2. #include <linux/linkage.h>
  3. #include <asm/page.h>
  4. enum pt_level {
  5. PT_PGD,
  6. PT_PUD,
  7. PT_PMD,
  8. PT_PTE
  9. };
  10. bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
  11. bool install_p2mtop_page(unsigned long pfn, unsigned long *p);
  12. void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
  13. void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
  14. void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
  15. void xen_exit_mmap(struct mm_struct *mm);
  16. pteval_t xen_pte_val(pte_t);
  17. pmdval_t xen_pmd_val(pmd_t);
  18. pgdval_t xen_pgd_val(pgd_t);
  19. pte_t xen_make_pte(pteval_t);
  20. pmd_t xen_make_pmd(pmdval_t);
  21. pgd_t xen_make_pgd(pgdval_t);
  22. void xen_set_pte(pte_t *ptep, pte_t pteval);
  23. void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
  24. pte_t *ptep, pte_t pteval);
  25. #ifdef CONFIG_X86_PAE
  26. void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
  27. void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
  28. void xen_pmd_clear(pmd_t *pmdp);
  29. #endif /* CONFIG_X86_PAE */
  30. void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
  31. void xen_set_pud(pud_t *ptr, pud_t val);
  32. void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
  33. void xen_set_pud_hyper(pud_t *ptr, pud_t val);
  34. #if PAGETABLE_LEVELS == 4
  35. pudval_t xen_pud_val(pud_t pud);
  36. pud_t xen_make_pud(pudval_t pudval);
  37. void xen_set_pgd(pgd_t *pgdp, pgd_t pgd);
  38. void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd);
  39. #endif
  40. pgd_t *xen_get_user_pgd(pgd_t *pgd);
  41. pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
  42. void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
  43. pte_t *ptep, pte_t pte);
  44. unsigned long xen_read_cr2_direct(void);
  45. extern const struct pv_mmu_ops xen_mmu_ops;
  46. #endif /* _XEN_MMU_H */