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 <strings.h>
20 #include <libgen.h>
21 #include <assert.h>
22 #include <errno.h>
23
24 #include <sys/types.h>
25 #include <sys/sysmacros.h>
26 #include <sys/debug.h>
27 #include <sys/vmm.h>
28 #include <sys/vmm_dev.h>
29 #include <vmmapi.h>
30
31 #include "in_guest.h"
32
33 int
main(int argc,char * argv[])34 main(int argc, char *argv[])
35 {
36 const char *test_suite_name = basename(argv[0]);
37 struct vmctx *ctx = NULL;
38 struct vcpu *vcpu;
39 int err;
40
41 ctx = test_initialize(test_suite_name);
42
43 if ((vcpu = vm_vcpu_open(ctx, 0)) == NULL) {
44 test_fail_errno(errno, "Could not open vcpu0");
45 }
46
47 err = test_setup_vcpu(vcpu, MEM_LOC_PAYLOAD, MEM_LOC_STACK);
48 if (err != 0) {
49 test_fail_errno(err, "Could not initialize vcpu0");
50 }
51
52 struct vm_entry ventry = { 0 };
53 struct vm_exit vexit = { 0 };
54 const uint32_t expected_code = 0x01020304;
55 const uint64_t expected_wval = 0x05060708090a0b0c;
56
57 do {
58 const enum vm_exit_kind kind =
59 test_run_vcpu(vcpu, &ventry, &vexit);
60 switch (kind) {
61 case VEK_REENTR:
62 break;
63 case VEK_UNHANDLED:
64 /* Look for wrmsr of test value */
65 if (vexit.exitcode != VM_EXITCODE_WRMSR) {
66 test_fail_vmexit(&vexit);
67 }
68 if (vexit.u.msr.code != expected_code) {
69 test_fail_msg("code %08x != %08x\n",
70 vexit.u.msr.code, expected_code);
71 }
72 if (vexit.u.msr.wval != expected_wval) {
73 test_fail_msg("wval %lx != %lx\n",
74 vexit.u.msr.wval, expected_wval);
75 }
76 test_pass();
77 break;
78
79 case VEK_TEST_PASS:
80 case VEK_TEST_FAIL:
81 default:
82 test_fail_vmexit(&vexit);
83 break;
84 }
85 } while (true);
86 }
87