1 /*
2 * Test HMP commands.
3 *
4 * Copyright (c) 2017 Red Hat Inc.
5 *
6 * Author:
7 * Thomas Huth <thuth@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2
10 * or later. See the COPYING file in the top-level directory.
11 *
12 * This test calls some HMP commands for all machines that the current
13 * QEMU binary provides, to check whether they terminate successfully
14 * (i.e. do not crash QEMU).
15 */
16
17 #include "qemu/osdep.h"
18 #include "libqtest.h"
19
20 static int verbose;
21
22 static const char *hmp_cmds[] = {
23 "announce_self",
24 "boot_set ndc",
25 "chardev-add null,id=testchardev1",
26 "chardev-send-break testchardev1",
27 "chardev-change testchardev1 ringbuf",
28 "chardev-remove testchardev1",
29 "commit all",
30 "cpu 0",
31 "device_add ?",
32 "device_add usb-mouse,id=mouse1",
33 "drive_add ignored format=help",
34 "mouse_button 7",
35 "mouse_move 10 10",
36 "mouse_button 0",
37 "device_del mouse1",
38 "dump-guest-memory /dev/null 0 4096",
39 "dump-guest-memory /dev/null",
40 "gdbserver",
41 "gva2gpa 0",
42 "hostfwd_add tcp::43210-:43210",
43 "hostfwd_remove tcp::43210-:43210",
44 "i /w 0",
45 "log all",
46 "log none",
47 "memsave 0 4096 \"/dev/null\"",
48 "migrate_set_parameter xbzrle-cache-size 64k",
49 "migrate_set_parameter downtime-limit 1",
50 "migrate_set_parameter max-bandwidth 1",
51 "netdev_add user,id=net1",
52 "set_link net1 off",
53 "set_link net1 on",
54 "netdev_del net1",
55 "nmi",
56 "o /w 0 0x1234",
57 "object_add memory-backend-ram,id=mem1,size=256M",
58 "object_del mem1",
59 "one-insn-per-tb on",
60 "pmemsave 0 4096 \"/dev/null\"",
61 "p $pc + 8",
62 "qom-list /",
63 "qom-set /machine initrd test",
64 "qom-get /machine initrd",
65 "screendump /dev/null",
66 "sendkey x",
67 "wavcapture /dev/null",
68 "stopcapture 0",
69 "sum 0 512",
70 "x /8i 0x100",
71 "xp /16x 0",
72 NULL
73 };
74
75 /* Run through the list of pre-defined commands */
test_commands(QTestState * qts)76 static void test_commands(QTestState *qts)
77 {
78 char *response;
79 int i;
80
81 for (i = 0; hmp_cmds[i] != NULL; i++) {
82 response = qtest_hmp(qts, "%s", hmp_cmds[i]);
83 if (verbose) {
84 fprintf(stderr,
85 "\texecute HMP command: %s\n"
86 "\tresult : %s\n",
87 hmp_cmds[i], response);
88 }
89 g_free(response);
90 }
91
92 }
93
94 /* Run through all info commands and call them blindly (without arguments) */
test_info_commands(QTestState * qts)95 static void test_info_commands(QTestState *qts)
96 {
97 char *resp, *info, *info_buf, *endp;
98
99 info_buf = info = qtest_hmp(qts, "help info");
100
101 while (*info) {
102 /* Extract the info command, ignore parameters and description */
103 g_assert(strncmp(info, "info ", 5) == 0);
104 endp = strchr(&info[5], ' ');
105 g_assert(endp != NULL);
106 *endp = '\0';
107 /* Now run the info command */
108 if (verbose) {
109 fprintf(stderr, "\t%s\n", info);
110 }
111 resp = qtest_hmp(qts, "%s", info);
112 g_free(resp);
113 /* And move forward to the next line */
114 info = strchr(endp + 1, '\n');
115 if (!info) {
116 break;
117 }
118 info += 1;
119 }
120
121 g_free(info_buf);
122 }
123
test_machine(gconstpointer data)124 static void test_machine(gconstpointer data)
125 {
126 const char *machine = data;
127 char *args;
128 QTestState *qts;
129
130 args = g_strdup_printf("-S -M %s", machine);
131 qts = qtest_init(args);
132
133 test_info_commands(qts);
134 test_commands(qts);
135
136 qtest_quit(qts);
137 g_free(args);
138 g_free((void *)data);
139 }
140
add_machine_test_case(const char * mname)141 static void add_machine_test_case(const char *mname)
142 {
143 char *path;
144
145 path = g_strdup_printf("hmp/%s", mname);
146 qtest_add_data_func(path, g_strdup(mname), test_machine);
147 g_free(path);
148 }
149
main(int argc,char ** argv)150 int main(int argc, char **argv)
151 {
152 char *v_env = getenv("V");
153
154 if (v_env && atoi(v_env) >= 2) {
155 verbose = true;
156 }
157
158 g_test_init(&argc, &argv, NULL);
159
160 qtest_cb_for_every_machine(add_machine_test_case, g_test_quick());
161
162 /* as none machine has no memory by default, add a test case with memory */
163 qtest_add_data_func("hmp/none+2MB", g_strdup("none -m 2"), test_machine);
164
165 return g_test_run();
166 }
167