diff options
Diffstat (limited to 'arch/x86/kvm/mmu/paging.h')
| -rw-r--r-- | arch/x86/kvm/mmu/paging.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/paging.h b/arch/x86/kvm/mmu/paging.h new file mode 100644 index 000000000000..de8ab323bb70 --- /dev/null +++ b/arch/x86/kvm/mmu/paging.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Shadow paging constants/helpers that don't need to be #undef'd. */ +#ifndef __KVM_X86_PAGING_H +#define __KVM_X86_PAGING_H + +#define GUEST_PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1)) +#define PT64_LVL_ADDR_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#define PT64_LVL_OFFSET_MASK(level) \ + (GUEST_PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \ + * PT64_LEVEL_BITS))) - 1)) +#endif /* __KVM_X86_PAGING_H */ + |