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