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-add 1", 31 "cpu 0", 32 "device_add ?", 33 "device_add usb-mouse,id=mouse1", 34 "drive_add ignored format=help", 35 "mouse_button 7", 36 "mouse_move 10 10", 37 "mouse_button 0", 38 "device_del mouse1", 39 "dump-guest-memory /dev/null 0 4096", 40 "dump-guest-memory /dev/null", 41 "gdbserver", 42 "gva2gpa 0", 43 "hostfwd_add tcp::43210-:43210", 44 "hostfwd_remove tcp::43210-:43210", 45 "i /w 0", 46 "log all", 47 "log none", 48 "memsave 0 4096 \"/dev/null\"", 49 "migrate_set_cache_size 1", 50 "migrate_set_downtime 1", 51 "migrate_set_speed 1", 52 "netdev_add user,id=net1", 53 "set_link net1 off", 54 "set_link net1 on", 55 "netdev_del net1", 56 "nmi", 57 "o /w 0 0x1234", 58 "object_add memory-backend-ram,id=mem1,size=256M", 59 "object_del mem1", 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 "singlestep on", 68 "wavcapture /dev/null", 69 "stopcapture 0", 70 "sum 0 512", 71 "x /8i 0x100", 72 "xp /16x 0", 73 NULL 74 }; 75 76 /* Run through the list of pre-defined commands */ 77 static void test_commands(QTestState *qts) 78 { 79 char *response; 80 int i; 81 82 for (i = 0; hmp_cmds[i] != NULL; i++) { 83 response = qtest_hmp(qts, "%s", hmp_cmds[i]); 84 if (verbose) { 85 fprintf(stderr, 86 "\texecute HMP command: %s\n" 87 "\tresult : %s\n", 88 hmp_cmds[i], response); 89 } 90 g_free(response); 91 } 92 93 } 94 95 /* Run through all info commands and call them blindly (without arguments) */ 96 static void test_info_commands(QTestState *qts) 97 { 98 char *resp, *info, *info_buf, *endp; 99 100 info_buf = info = qtest_hmp(qts, "help info"); 101 102 while (*info) { 103 /* Extract the info command, ignore parameters and description */ 104 g_assert(strncmp(info, "info ", 5) == 0); 105 endp = strchr(&info[5], ' '); 106 g_assert(endp != NULL); 107 *endp = '\0'; 108 /* Now run the info command */ 109 if (verbose) { 110 fprintf(stderr, "\t%s\n", info); 111 } 112 resp = qtest_hmp(qts, "%s", info); 113 g_free(resp); 114 /* And move forward to the next line */ 115 info = strchr(endp + 1, '\n'); 116 if (!info) { 117 break; 118 } 119 info += 1; 120 } 121 122 g_free(info_buf); 123 } 124 125 static void test_machine(gconstpointer data) 126 { 127 const char *machine = data; 128 char *args; 129 QTestState *qts; 130 131 args = g_strdup_printf("-S -M %s", machine); 132 qts = qtest_init(args); 133 134 test_info_commands(qts); 135 test_commands(qts); 136 137 qtest_quit(qts); 138 g_free(args); 139 g_free((void *)data); 140 } 141 142 static void add_machine_test_case(const char *mname) 143 { 144 char *path; 145 146 path = g_strdup_printf("hmp/%s", mname); 147 qtest_add_data_func(path, g_strdup(mname), test_machine); 148 g_free(path); 149 } 150 151 int main(int argc, char **argv) 152 { 153 char *v_env = getenv("V"); 154 155 if (v_env && *v_env >= '2') { 156 verbose = true; 157 } 158 159 g_test_init(&argc, &argv, NULL); 160 161 qtest_cb_for_every_machine(add_machine_test_case, g_test_quick()); 162 163 /* as none machine has no memory by default, add a test case with memory */ 164 qtest_add_data_func("hmp/none+2MB", g_strdup("none -m 2"), test_machine); 165 166 return g_test_run(); 167 } 168