[mirror_ubuntu-kernels.git] / arch / x86 / xen / mmu.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
3b827c1b JF	2	#ifndef _XEN_MMU_H
	3
	4	#include <linux/linkage.h>
	5	#include <asm/page.h>
	6
f6433706 MM	7	enum pt_level {
f6433706 MM	8	PT_PGD,
907cd439	9	PT_P4D,
f6433706 MM	10	PT_PUD,
	11	PT_PMD,
	12	PT_PTE
	13	};
	14
f87e4cac	15
e791ca0f	16	bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
e791ca0f	17
3b827c1b JF	18	void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
3b827c1b JF	19
e57778a1 JF	20	pte_t xen_ptep_modify_prot_start(struct mm_struct mm, unsigned long addr, pte_t ptep);
	21	void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
	22	pte_t *ptep, pte_t pte);
	23
319f3ba5 JF	24	unsigned long xen_read_cr2_direct(void);
319f3ba5 JF	25
030cb6c0	26	extern void xen_init_mmu_ops(void);
59151001	27	extern void xen_hvm_init_mmu_ops(void);
3b827c1b	28	#endif /* _XEN_MMU_H */