[linux-2.6-block.git] / arch / x86 / xen / mmu.h

#ifndef _XEN_MMU_H

#include <linux/linkage.h>
#include <asm/page.h>

enum pt_level {
	PT_PGD,
	PT_P4D,
	PT_PUD,
	PT_PMD,
	PT_PTE
};


bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);

void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);

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 void xen_init_mmu_ops(void);
extern void xen_hvm_init_mmu_ops(void);
#endif	/* _XEN_MMU_H */
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 {
f6433706 MM	7	PT_PGD,
907cd439	8	PT_P4D,
f6433706 MM	9	PT_PUD,
	10	PT_PMD,
	11	PT_PTE
	12	};
	13
f87e4cac	14
e791ca0f	15	bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
e791ca0f	16
3b827c1b JF	17	void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
3b827c1b JF	18
e57778a1 JF	19	pte_t xen_ptep_modify_prot_start(struct mm_struct mm, unsigned long addr, pte_t ptep);
	20	void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
	21	pte_t *ptep, pte_t pte);
	22
319f3ba5 JF	23	unsigned long xen_read_cr2_direct(void);
319f3ba5 JF	24
030cb6c0	25	extern void xen_init_mmu_ops(void);
59151001	26	extern void xen_hvm_init_mmu_ops(void);
3b827c1b	27	#endif /* _XEN_MMU_H */