diff options
Diffstat (limited to 'arch/x86/xen/mmu.h')
| -rw-r--r-- | arch/x86/xen/mmu.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h new file mode 100644 index 0000000000..6e4c6bd622 --- /dev/null +++ b/arch/x86/xen/mmu.h @@ -0,0 +1,28 @@ +/* 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 vm_area_struct *vma, unsigned long addr, pte_t *ptep); +void xen_ptep_modify_prot_commit(struct vm_area_struct *vma, 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 */ |