| /* |
| * 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; |
| } |