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