diff options
Diffstat (limited to 'tools/testing/selftests/kvm/lib/x86_64/vmx.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/x86_64/vmx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c index 5bf169179455..b77a01d0a271 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c +++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c @@ -203,6 +203,11 @@ static bool ept_vpid_cap_supported(uint64_t mask) return rdmsr(MSR_IA32_VMX_EPT_VPID_CAP) & mask; } +bool ept_1g_pages_supported(void) +{ + return ept_vpid_cap_supported(VMX_EPT_VPID_CAP_1G_PAGES); +} + /* * Initialize the control fields to the most basic settings possible. */ @@ -439,6 +444,9 @@ void __nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm, TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K, "Attempt to use " "unknown or unsupported guest mode, mode: 0x%x", vm->mode); + TEST_ASSERT((nested_paddr >> 48) == 0, + "Nested physical address 0x%lx requires 5-level paging", + nested_paddr); TEST_ASSERT((nested_paddr % page_size) == 0, "Nested physical address not on page boundary,\n" " nested_paddr: 0x%lx page_size: 0x%lx", @@ -547,6 +555,13 @@ void nested_map_memslot(struct vmx_pages *vmx, struct kvm_vm *vm, } } +/* Identity map a region with 1GiB Pages. */ +void nested_identity_map_1g(struct vmx_pages *vmx, struct kvm_vm *vm, + uint64_t addr, uint64_t size) +{ + __nested_map(vmx, vm, addr, addr, size, PG_LEVEL_1G); +} + void prepare_eptp(struct vmx_pages *vmx, struct kvm_vm *vm, uint32_t eptp_memslot) { |