1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2022 Oxide Computer Company
14 */
15
16 #include <stdio.h>
17 #include <unistd.h>
18 #include <stdlib.h>
19 #include <fcntl.h>
20 #include <libgen.h>
21 #include <sys/stat.h>
22 #include <errno.h>
23 #include <err.h>
24 #include <assert.h>
25
26 #include <sys/vmm.h>
27 #include <sys/vmm_dev.h>
28 #include <vmmapi.h>
29
30 #include "common.h"
31
32 int
main(int argc,char * argv[])33 main(int argc, char *argv[])
34 {
35 const char *suite_name = basename(argv[0]);
36 struct vmctx *ctx;
37 struct vcpu *vcpu;
38
39 ctx = create_test_vm(suite_name);
40 if (ctx == NULL) {
41 errx(EXIT_FAILURE, "could open test VM");
42 }
43
44 /*
45 * It would be odd if we had the freshly created VM instance, but it did
46 * not appear to exist.
47 */
48 assert(check_instance_usable(suite_name));
49
50 if ((vcpu = vm_vcpu_open(ctx, 0)) == NULL) {
51 err(EXIT_FAILURE, "Could not open vcpu0");
52 }
53
54 /* Ensure sure that auto-destruct is off */
55 if (ioctl(vm_get_device_fd(ctx), VM_SET_AUTODESTRUCT, 0) != 0) {
56 errx(EXIT_FAILURE, "could not disable auto-destruct");
57 }
58
59 if (ioctl(vm_get_device_fd(ctx), VM_DESTROY_SELF, 0) != 0) {
60 errx(EXIT_FAILURE, "ioctl(VM_DESTROY_SELF) failed");
61 }
62
63 /*
64 * Since we still hold the instance open, we expect it to still exist in
65 * /dev/vmm, but be useless for further operations
66 */
67 if (!check_instance_exists(suite_name)) {
68 err(EXIT_FAILURE,
69 "instance missing after unfinished destroy");
70 }
71
72 /* Attempt an operation on our still-open handle */
73 uint64_t reg = 0;
74 if (vm_get_register(vcpu, VM_REG_GUEST_RAX, ®) == 0) {
75 err(EXIT_FAILURE,
76 "VM_GET_REGISTER succeeded despite instance destruction");
77 }
78 /* Check usability via the dedicated ioctl */
79 if (check_instance_usable(suite_name)) {
80 err(EXIT_FAILURE,
81 "instance not reporting in-progress destruction");
82 }
83
84
85 vm_vcpu_close(vcpu);
86 vm_close(ctx);
87 ctx = NULL;
88
89 /* Make doubly-sure the VM is gone after close */
90 if (check_instance_exists(suite_name)) {
91 err(EXIT_FAILURE, "instance still accessible after destroy");
92 }
93
94 (void) printf("%s\tPASS\n", suite_name);
95 return (EXIT_SUCCESS);
96 }
97