1 /*
2 * Copyright 2018 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
5 */
6
7 #include <errno.h>
8 #include <fcntl.h>
9 #include <linux/memfd.h>
10 #include <pthread.h>
11 #include <stdint.h>
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include <sys/mman.h>
16 #include <sys/syscall.h>
17 #include <time.h>
18 #include <unistd.h>
19
20 #include "crosvm.h"
21
main(int argc,char ** argv)22 int main(int argc, char** argv) {
23 struct crosvm *crosvm;
24 int ret = crosvm_connect(&crosvm);
25 if (ret) {
26 fprintf(stderr, "failed to connect to crosvm: %d\n", ret);
27 return 1;
28 }
29
30 bool supported;
31 ret = crosvm_check_extension(crosvm, KVM_CAP_IRQCHIP, &supported);
32 if (ret) {
33 fprintf(stderr, "failed to check for KVM extension: %d\n", ret);
34 return 1;
35 }
36 if (!supported) {
37 fprintf(stderr, "expected KVM extension to be supported\n");
38 return 1;
39 }
40
41 // Assume s390 extensions aren't supported because we shouldn't be running on one.
42 ret = crosvm_check_extension(crosvm, KVM_CAP_S390_PSW, &supported);
43 if (ret) {
44 fprintf(stderr, "failed to check for KVM extension: %d\n", ret);
45 return 1;
46 }
47 if (supported) {
48 fprintf(stderr, "unexpected KVM extension is supported\n");
49 return 1;
50 }
51
52 return 0;
53 }
54