diff options
Diffstat (limited to 'tests/plugin_msr_index_list.c')
-rw-r--r-- | tests/plugin_msr_index_list.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/plugin_msr_index_list.c b/tests/plugin_msr_index_list.c new file mode 100644 index 0000000..0a940ae --- /dev/null +++ b/tests/plugin_msr_index_list.c @@ -0,0 +1,49 @@ +/* + * Copyright 2018 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <errno.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "crosvm.h" + +int main(int argc, char** argv) { + struct crosvm *crosvm; + int ret = crosvm_connect(&crosvm); + if (ret) { + fprintf(stderr, "failed to connect to crosvm: %d\n", ret); + return 1; + } + + uint32_t msr_indices[256]; + int n_entries; + ret = crosvm_get_msr_index_list(crosvm, 1, msr_indices, &n_entries); + if (ret >= 0) { + fprintf(stderr, + "expected crosvm_get_msr_index_list to fail with E2BIG\n"); + return 1; + } + + + memset(msr_indices, 0, sizeof(msr_indices)); + ret = crosvm_get_msr_index_list(crosvm, 256, msr_indices, &n_entries); + if (ret < 0) { + fprintf(stderr, + "unexpected failure of crosvm_get_msr_index_list: %d\n", ret); + return 1; + } + + if (n_entries <= 1) { + fprintf(stderr, + "unexpected number of supported msr entries: %d\n", + n_entries); + return 1; + } + + return 0; +} |