xref: /openbmc/qemu/tests/qtest/test-hmp.c (revision 5ade579b)
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 "libqos/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_cache_size 1",
49     "migrate_set_downtime 1",
50     "migrate_set_speed 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     "pmemsave 0 4096 \"/dev/null\"",
60     "p $pc + 8",
61     "qom-list /",
62     "qom-set /machine initrd test",
63     "qom-get /machine initrd",
64     "screendump /dev/null",
65     "sendkey x",
66     "singlestep on",
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 */
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) */
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 
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 
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 
150 int main(int argc, char **argv)
151 {
152     char *v_env = getenv("V");
153 
154     if (v_env && *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