projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 3b827c1b JF |
1 | #ifndef _XEN_MMU_H |
| 2 | ||
| 3 | #include <linux/linkage.h> | |
| 4 | #include <asm/page.h> | |
| 5 | ||
| f6433706 MM |
6 | enum pt_level { |
| 7 | PT_PGD, | |
| 8 | PT_PUD, | |
| 9 | PT_PMD, | |
| 10 | PT_PTE | |
| 11 | }; | |
| 12 | ||
| f87e4cac | 13 | |
| e791ca0f JF |
14 | bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn); |
| 15 | bool install_p2mtop_page(unsigned long pfn, unsigned long *p); | |
| 16 | ||
| 3b827c1b JF |
17 | void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags); |
| 18 | ||
| 3b827c1b JF |
19 | |
| 20 | void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next); | |
| 21 | void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm); | |
| 22 | void xen_exit_mmap(struct mm_struct *mm); | |
| 23 | ||
| 3843fc25 JF |
24 | pteval_t xen_pte_val(pte_t); |
| 25 | pmdval_t xen_pmd_val(pmd_t); | |
| 26 | pgdval_t xen_pgd_val(pgd_t); | |
| 3b827c1b | 27 | |
| 3843fc25 JF |
28 | pte_t xen_make_pte(pteval_t); |
| 29 | pmd_t xen_make_pmd(pmdval_t); | |
| 30 | pgd_t xen_make_pgd(pgdval_t); | |
| 3b827c1b | 31 | |
| e2426cf8 | 32 | void xen_set_pte(pte_t *ptep, pte_t pteval); |
| 3b827c1b JF |
33 | void xen_set_pte_at(struct mm_struct *mm, unsigned long addr, |
| 34 | pte_t *ptep, pte_t pteval); | |
| f6e58732 JF |
35 | |
| 36 | #ifdef CONFIG_X86_PAE | |
| 3b827c1b | 37 | void xen_set_pte_atomic(pte_t *ptep, pte_t pte); |
| f6e58732 JF |
38 | void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); |
| 39 | void xen_pmd_clear(pmd_t *pmdp); | |
| 40 | #endif /* CONFIG_X86_PAE */ | |
| 41 | ||
| e2426cf8 | 42 | void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval); |
| 3b827c1b | 43 | void xen_set_pud(pud_t *ptr, pud_t val); |
| e2426cf8 JF |
44 | void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval); |
| 45 | void xen_set_pud_hyper(pud_t *ptr, pud_t val); | |
| f6e58732 JF |
46 | |
| 47 | #if PAGETABLE_LEVELS == 4 | |
| 48 | pudval_t xen_pud_val(pud_t pud); | |
| 49 | pud_t xen_make_pud(pudval_t pudval); | |
| 50 | void xen_set_pgd(pgd_t *pgdp, pgd_t pgd); | |
| 51 | void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd); | |
| 52 | #endif | |
| 3b827c1b | 53 | |
| d6182fbf JF |
54 | pgd_t *xen_get_user_pgd(pgd_t *pgd); |
| 55 | ||
| e57778a1 JF |
56 | pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep); |
| 57 | void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, | |
| 58 | pte_t *ptep, pte_t pte); | |
| 59 | ||
| 319f3ba5 JF |
60 | unsigned long xen_read_cr2_direct(void); |
| 61 | ||
| 62 | extern const struct pv_mmu_ops xen_mmu_ops; | |
| 3b827c1b | 63 | #endif /* _XEN_MMU_H */ |