diff options
Diffstat (limited to 'arch/x86/include/asm/xen/page.h')
| -rw-r--r-- | arch/x86/include/asm/xen/page.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 8417ef7c3885..123e669bf363 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_PAGE_H #define _ASM_X86_XEN_PAGE_H @@ -26,6 +27,15 @@ typedef struct xpaddr { phys_addr_t paddr; } xpaddr_t; +#ifdef CONFIG_X86_64 +#define XEN_PHYSICAL_MASK __sme_clr((1UL << 52) - 1) +#else +#define XEN_PHYSICAL_MASK __PHYSICAL_MASK +#endif + +#define XEN_PTE_MFN_MASK ((pteval_t)(((signed long)PAGE_MASK) & \ + XEN_PHYSICAL_MASK)) + #define XMADDR(x) ((xmaddr_t) { .maddr = (x) }) #define XPADDR(x) ((xpaddr_t) { .paddr = (x) }) @@ -158,9 +168,6 @@ static inline unsigned long mfn_to_pfn_no_overrides(unsigned long mfn) unsigned long pfn; int ret; - if (xen_feature(XENFEAT_auto_translated_physmap)) - return mfn; - if (unlikely(mfn >= machine_to_phys_nr)) return ~0; @@ -280,7 +287,7 @@ static inline unsigned long bfn_to_local_pfn(unsigned long mfn) static inline unsigned long pte_mfn(pte_t pte) { - return (pte.pte & PTE_PFN_MASK) >> PAGE_SHIFT; + return (pte.pte & XEN_PTE_MFN_MASK) >> PAGE_SHIFT; } static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot) @@ -317,8 +324,6 @@ static inline pte_t __pte_ma(pteval_t x) #define p4d_val_ma(x) ((x).p4d) #endif -void xen_set_domain_pte(pte_t *ptep, pte_t pteval, unsigned domid); - xmaddr_t arbitrary_virt_to_machine(void *address); unsigned long arbitrary_virt_to_mfn(void *vaddr); void make_lowmem_page_readonly(void *vaddr); |