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- #ifndef _XEN_MMU_H
- #include <linux/linkage.h>
- #include <asm/page.h>
- enum pt_level {
- PT_PGD,
- PT_PUD,
- PT_PMD,
- PT_PTE
- };
- bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
- bool install_p2mtop_page(unsigned long pfn, unsigned long *p);
- void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
- void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
- void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
- void xen_exit_mmap(struct mm_struct *mm);
- pteval_t xen_pte_val(pte_t);
- pmdval_t xen_pmd_val(pmd_t);
- pgdval_t xen_pgd_val(pgd_t);
- pte_t xen_make_pte(pteval_t);
- pmd_t xen_make_pmd(pmdval_t);
- pgd_t xen_make_pgd(pgdval_t);
- void xen_set_pte(pte_t *ptep, pte_t pteval);
- void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pteval);
- #ifdef CONFIG_X86_PAE
- void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
- void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
- void xen_pmd_clear(pmd_t *pmdp);
- #endif /* CONFIG_X86_PAE */
- void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
- void xen_set_pud(pud_t *ptr, pud_t val);
- void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
- void xen_set_pud_hyper(pud_t *ptr, pud_t val);
- #if PAGETABLE_LEVELS == 4
- pudval_t xen_pud_val(pud_t pud);
- pud_t xen_make_pud(pudval_t pudval);
- void xen_set_pgd(pgd_t *pgdp, pgd_t pgd);
- void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd);
- #endif
- pgd_t *xen_get_user_pgd(pgd_t *pgd);
- pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
- void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte);
- unsigned long xen_read_cr2_direct(void);
- extern const struct pv_mmu_ops xen_mmu_ops;
- #endif /* _XEN_MMU_H */
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