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gerrit-public.fairphone.software / kernel / msm-4.9 / eb1577b7c4b2cdd0e18b0d5d8e940e36329215e5 / . / arch / x86 / xen / mmu.h
blob: 537bb9aab777ab00b446d1cec9daded81a3ed71f [file] [log] [blame]
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]1#ifndef _XEN_MMU_H
2
3#include <linux/linkage.h>
4#include <asm/page.h>
5
Mark McLoughlinf6433702008-04-02 15:36:36 +0100[diff] [blame]6enum pt_level {
7 PT_PGD,
8 PT_PUD,
9 PT_PMD,
10 PT_PTE
11};
12
Jeremy Fitzhardingef87e4ca2007-07-17 18:37:06 -0700[diff] [blame]13
Jeremy Fitzhardingee791ca02009-02-26 15:48:33 -0800[diff] [blame]14bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
Jeremy Fitzhardingee791ca02009-02-26 15:48:33 -0800[diff] [blame]15
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]16void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
17
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]18
19void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
20void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
21void xen_exit_mmap(struct mm_struct *mm);
22
Jeremy Fitzhardinge3843fc22008-05-09 12:05:57 +0100[diff] [blame]23pteval_t xen_pte_val(pte_t);
24pmdval_t xen_pmd_val(pmd_t);
25pgdval_t xen_pgd_val(pgd_t);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]26
Jeremy Fitzhardinge3843fc22008-05-09 12:05:57 +0100[diff] [blame]27pte_t xen_make_pte(pteval_t);
28pmd_t xen_make_pmd(pmdval_t);
29pgd_t xen_make_pgd(pgdval_t);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]30
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]31void xen_set_pte(pte_t *ptep, pte_t pteval);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]32void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
33 pte_t *ptep, pte_t pteval);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]34
35#ifdef CONFIG_X86_PAE
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]36void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]37void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
38void xen_pmd_clear(pmd_t *pmdp);
39#endif /* CONFIG_X86_PAE */
40
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]41void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]42void xen_set_pud(pud_t *ptr, pud_t val);
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]43void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
44void xen_set_pud_hyper(pud_t *ptr, pud_t val);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]45
46#if PAGETABLE_LEVELS == 4
47pudval_t xen_pud_val(pud_t pud);
48pud_t xen_make_pud(pudval_t pudval);
49void xen_set_pgd(pgd_t *pgdp, pgd_t pgd);
50void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd);
51#endif
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]52
Jeremy Fitzhardinged6182fb2008-07-08 15:07:13 -0700[diff] [blame]53pgd_t *xen_get_user_pgd(pgd_t *pgd);
54
Jeremy Fitzhardingee57778a2008-06-16 04:30:02 -0700[diff] [blame]55pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
56void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
57 pte_t *ptep, pte_t pte);
58
Jeremy Fitzhardinge319f3ba2009-01-28 14:35:01 -0800[diff] [blame]59unsigned long xen_read_cr2_direct(void);
60
Thomas Gleixner030cb6c2009-08-20 14:30:02 +0200[diff] [blame]61extern void xen_init_mmu_ops(void);
Stefano Stabellini59151002010-06-17 14:22:52 +0100[diff] [blame]62extern void xen_hvm_init_mmu_ops(void);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]63#endif /* _XEN_MMU_H */