From: Isaku Yamahata isaku.yamahata@intel.com
Make sure that all the attributes enabled by the test are reported as supported by the TDX module.
This also exercises the KVM_TDX_CAPABILITIES ioctl.
Signed-off-by: Isaku Yamahata isaku.yamahata@intel.com Co-developed-by: Sagi Shahar sagis@google.com Signed-off-by: Sagi Shahar sagis@google.com --- tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c b/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c index aa0cb6c2205b..1b5c01faf1cd 100644 --- a/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c +++ b/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c @@ -234,6 +234,18 @@ static void vm_tdx_filter_cpuid(struct kvm_vm *vm, free(tdx_cap); }
+static void tdx_check_attributes(struct kvm_vm *vm, uint64_t attributes) +{ + struct kvm_tdx_capabilities *tdx_cap; + + tdx_cap = tdx_read_capabilities(vm); + + /* Make sure all the attributes are reported as supported by the TDX module */ + TEST_ASSERT_EQ(attributes & tdx_cap->supported_attrs, attributes); + + free(tdx_cap); +} + void vm_tdx_init_vm(struct kvm_vm *vm, uint64_t attributes) { struct kvm_tdx_init_vm *init_vm; @@ -253,6 +265,8 @@ void vm_tdx_init_vm(struct kvm_vm *vm, uint64_t attributes) memcpy(&init_vm->cpuid, cpuid, kvm_cpuid2_size(cpuid->nent)); free(cpuid);
+ tdx_check_attributes(vm, attributes); + init_vm->attributes = attributes;
vm_tdx_vm_ioctl(vm, KVM_TDX_INIT_VM, 0, init_vm);