From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/x86/xen/mmu.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/x86/xen/mmu.h (limited to 'arch/x86/xen/mmu.h') diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h new file mode 100644 index 000000000..6e4c6bd62 --- /dev/null +++ b/arch/x86/xen/mmu.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _XEN_MMU_H + +#include +#include + +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 */ -- cgit v1.2.3