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gerrit-public.fairphone.software / kernel / msm-4.9 / dee70a32fa90cd05a5e34d03a48d549473569101 / . / arch / x86 / xen / mmu.h
blob: 5fe6bc7f5ecfe6626755183a88959818c3a3981f [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);
15bool install_p2mtop_page(unsigned long pfn, unsigned long *p);
16
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]17void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
18
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]19
20void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
21void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
22void xen_exit_mmap(struct mm_struct *mm);
23
Jeremy Fitzhardinge3843fc22008-05-09 12:05:57 +0100[diff] [blame]24pteval_t xen_pte_val(pte_t);
25pmdval_t xen_pmd_val(pmd_t);
26pgdval_t xen_pgd_val(pgd_t);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]27
Jeremy Fitzhardinge3843fc22008-05-09 12:05:57 +0100[diff] [blame]28pte_t xen_make_pte(pteval_t);
29pmd_t xen_make_pmd(pmdval_t);
30pgd_t xen_make_pgd(pgdval_t);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]31
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]32void xen_set_pte(pte_t *ptep, pte_t pteval);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]33void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
34 pte_t *ptep, pte_t pteval);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]35
36#ifdef CONFIG_X86_PAE
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]37void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]38void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
39void xen_pmd_clear(pmd_t *pmdp);
40#endif /* CONFIG_X86_PAE */
41
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]42void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]43void xen_set_pud(pud_t *ptr, pud_t val);
Jeremy Fitzhardingee2426cf2008-05-31 01:24:27 +0100[diff] [blame]44void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
45void xen_set_pud_hyper(pud_t *ptr, pud_t val);
Jeremy Fitzhardingef6e58732008-07-08 15:06:38 -0700[diff] [blame]46
47#if PAGETABLE_LEVELS == 4
48pudval_t xen_pud_val(pud_t pud);
49pud_t xen_make_pud(pudval_t pudval);
50void xen_set_pgd(pgd_t *pgdp, pgd_t pgd);
51void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd);
52#endif
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]53
Jeremy Fitzhardinged6182fb2008-07-08 15:07:13 -0700[diff] [blame]54pgd_t *xen_get_user_pgd(pgd_t *pgd);
55
Jeremy Fitzhardingee57778a2008-06-16 04:30:02 -0700[diff] [blame]56pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
57void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
58 pte_t *ptep, pte_t pte);
59
Jeremy Fitzhardinge319f3ba2009-01-28 14:35:01 -0800[diff] [blame]60unsigned long xen_read_cr2_direct(void);
61
Thomas Gleixner030cb6c2009-08-20 14:30:02 +0200[diff] [blame]62extern void xen_init_mmu_ops(void);
Jeremy Fitzhardinge3b827c12007-07-17 18:37:04 -0700[diff] [blame]63#endif /* _XEN_MMU_H */