diff options
Diffstat (limited to 'tools/testing/selftests/kvm/x86_64/get_msr_index_features.c')
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/get_msr_index_features.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/get_msr_index_features.c b/tools/testing/selftests/kvm/x86_64/get_msr_index_features.c new file mode 100644 index 0000000000..d09b3cbcad --- /dev/null +++ b/tools/testing/selftests/kvm/x86_64/get_msr_index_features.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test that KVM_GET_MSR_INDEX_LIST and + * KVM_GET_MSR_FEATURE_INDEX_LIST work as intended + * + * Copyright (C) 2020, Red Hat, Inc. + */ +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> + +#include "test_util.h" +#include "kvm_util.h" +#include "processor.h" + +int main(int argc, char *argv[]) +{ + const struct kvm_msr_list *feature_list; + int i; + + /* + * Skip the entire test if MSR_FEATURES isn't supported, other tests + * will cover the "regular" list of MSRs, the coverage here is purely + * opportunistic and not interesting on its own. + */ + TEST_REQUIRE(kvm_has_cap(KVM_CAP_GET_MSR_FEATURES)); + + (void)kvm_get_msr_index_list(); + + feature_list = kvm_get_feature_msr_index_list(); + for (i = 0; i < feature_list->nmsrs; i++) + kvm_get_feature_msr(feature_list->indices[i]); +} |