tests/qtest/fw_cfg-test.c

   1 /*
   2  * qtest fw_cfg test case
   3  *
   4  * Copyright IBM, Corp. 2012-2013
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14
  15 #include "libqos/libqtest.h"
  16 #include "standard-headers/linux/qemu_fw_cfg.h"
  17 #include "libqos/fw_cfg.h"
  18 #include "qemu/bswap.h"
  19
  20 static uint64_t ram_size = 128 << 20;
  21 static uint16_t nb_cpus = 1;
  22 static uint16_t max_cpus = 1;
  23 static uint64_t nb_nodes = 0;
  24 static uint16_t boot_menu = 0;
  25
  26 static void test_fw_cfg_signature(void)
  27 {
  28     QFWCFG *fw_cfg;
  29     QTestState *s;
  30     char buf[5];
  31
  32     s = qtest_init("");
  33     fw_cfg = pc_fw_cfg_init(s);
  34
  35     qfw_cfg_get(fw_cfg, FW_CFG_SIGNATURE, buf, 4);
  36     buf[4] = 0;
  37
  38     g_assert_cmpstr(buf, ==, "QEMU");
  39     pc_fw_cfg_uninit(fw_cfg);
  40     qtest_quit(s);
  41 }
  42
  43 static void test_fw_cfg_id(void)
  44 {
  45     QFWCFG *fw_cfg;
  46     QTestState *s;
  47     uint32_t id;
  48
  49     s = qtest_init("");
  50     fw_cfg = pc_fw_cfg_init(s);
  51
  52     id = qfw_cfg_get_u32(fw_cfg, FW_CFG_ID);
  53     g_assert((id == 1) ||
  54              (id == 3));
  55     pc_fw_cfg_uninit(fw_cfg);
  56     qtest_quit(s);
  57 }
  58
  59 static void test_fw_cfg_uuid(void)
  60 {
  61     QFWCFG *fw_cfg;
  62     QTestState *s;
  63
  64     uint8_t buf[16];
  65     static const uint8_t uuid[16] = {
  66         0x46, 0x00, 0xcb, 0x32, 0x38, 0xec, 0x4b, 0x2f,
  67         0x8a, 0xcb, 0x81, 0xc6, 0xea, 0x54, 0xf2, 0xd8,
  68     };
  69
  70     s = qtest_init("-uuid 4600cb32-38ec-4b2f-8acb-81c6ea54f2d8");
  71     fw_cfg = pc_fw_cfg_init(s);
  72
  73     qfw_cfg_get(fw_cfg, FW_CFG_UUID, buf, 16);
  74     g_assert(memcmp(buf, uuid, sizeof(buf)) == 0);
  75
  76     pc_fw_cfg_uninit(fw_cfg);
  77     qtest_quit(s);
  78
  79 }
  80
  81 static void test_fw_cfg_ram_size(void)
  82 {
  83     QFWCFG *fw_cfg;
  84     QTestState *s;
  85
  86     s = qtest_init("");
  87     fw_cfg = pc_fw_cfg_init(s);
  88
  89     g_assert_cmpint(qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE), ==, ram_size);
  90
  91     pc_fw_cfg_uninit(fw_cfg);
  92     qtest_quit(s);
  93 }
  94
  95 static void test_fw_cfg_nographic(void)
  96 {
  97     QFWCFG *fw_cfg;
  98     QTestState *s;
  99
 100     s = qtest_init("");
 101     fw_cfg = pc_fw_cfg_init(s);
 102
 103     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_NOGRAPHIC), ==, 0);
 104
 105     pc_fw_cfg_uninit(fw_cfg);
 106     qtest_quit(s);
 107 }
 108
 109 static void test_fw_cfg_nb_cpus(void)
 110 {
 111     QFWCFG *fw_cfg;
 112     QTestState *s;
 113
 114     s = qtest_init("");
 115     fw_cfg = pc_fw_cfg_init(s);
 116
 117     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_NB_CPUS), ==, nb_cpus);
 118
 119     pc_fw_cfg_uninit(fw_cfg);
 120     qtest_quit(s);
 121 }
 122
 123 static void test_fw_cfg_max_cpus(void)
 124 {
 125     QFWCFG *fw_cfg;
 126     QTestState *s;
 127
 128     s = qtest_init("");
 129     fw_cfg = pc_fw_cfg_init(s);
 130
 131     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_MAX_CPUS), ==, max_cpus);
 132     pc_fw_cfg_uninit(fw_cfg);
 133     qtest_quit(s);
 134 }
 135
 136 static void test_fw_cfg_numa(void)
 137 {
 138     QFWCFG *fw_cfg;
 139     QTestState *s;
 140     uint64_t *cpu_mask;
 141     uint64_t *node_mask;
 142
 143     s = qtest_init("");
 144     fw_cfg = pc_fw_cfg_init(s);
 145
 146     g_assert_cmpint(qfw_cfg_get_u64(fw_cfg, FW_CFG_NUMA), ==, nb_nodes);
 147
 148     cpu_mask = g_new0(uint64_t, max_cpus);
 149     node_mask = g_new0(uint64_t, nb_nodes);
 150
 151     qfw_cfg_read_data(fw_cfg, cpu_mask, sizeof(uint64_t) * max_cpus);
 152     qfw_cfg_read_data(fw_cfg, node_mask, sizeof(uint64_t) * nb_nodes);
 153
 154     if (nb_nodes) {
 155         g_assert(cpu_mask[0] & 0x01);
 156         g_assert_cmpint(node_mask[0], ==, ram_size);
 157     }
 158
 159     g_free(node_mask);
 160     g_free(cpu_mask);
 161     pc_fw_cfg_uninit(fw_cfg);
 162     qtest_quit(s);
 163 }
 164
 165 static void test_fw_cfg_boot_menu(void)
 166 {
 167     QFWCFG *fw_cfg;
 168     QTestState *s;
 169
 170     s = qtest_init("");
 171     fw_cfg = pc_fw_cfg_init(s);
 172
 173     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_MENU), ==, boot_menu);
 174     pc_fw_cfg_uninit(fw_cfg);
 175     qtest_quit(s);
 176 }
 177
 178 static void test_fw_cfg_reboot_timeout(void)
 179 {
 180     QFWCFG *fw_cfg;
 181     QTestState *s;
 182     uint32_t reboot_timeout = 0;
 183     size_t filesize;
 184
 185     s = qtest_init("-boot reboot-timeout=15");
 186     fw_cfg = pc_fw_cfg_init(s);
 187
 188     filesize = qfw_cfg_get_file(fw_cfg, "etc/boot-fail-wait",
 189                                 &reboot_timeout, sizeof(reboot_timeout));
 190     g_assert_cmpint(filesize, ==, sizeof(reboot_timeout));
 191     reboot_timeout = le32_to_cpu(reboot_timeout);
 192     g_assert_cmpint(reboot_timeout, ==, 15);
 193     pc_fw_cfg_uninit(fw_cfg);
 194     qtest_quit(s);
 195 }
 196
 197 static void test_fw_cfg_no_reboot_timeout(void)
 198 {
 199     QFWCFG *fw_cfg;
 200     QTestState *s;
 201     uint32_t reboot_timeout = 0;
 202     size_t filesize;
 203
 204     /* Special value -1 means "don't reboot" */
 205     s = qtest_init("-boot reboot-timeout=-1");
 206     fw_cfg = pc_fw_cfg_init(s);
 207
 208     filesize = qfw_cfg_get_file(fw_cfg, "etc/boot-fail-wait",
 209                                 &reboot_timeout, sizeof(reboot_timeout));
 210     g_assert_cmpint(filesize, ==, sizeof(reboot_timeout));
 211     reboot_timeout = le32_to_cpu(reboot_timeout);
 212     g_assert_cmpint(reboot_timeout, ==, UINT32_MAX);
 213     pc_fw_cfg_uninit(fw_cfg);
 214     qtest_quit(s);
 215 }
 216
 217 static void test_fw_cfg_splash_time(void)
 218 {
 219     QFWCFG *fw_cfg;
 220     QTestState *s;
 221     uint16_t splash_time = 0;
 222     size_t filesize;
 223
 224     s = qtest_init("-boot splash-time=12");
 225     fw_cfg = pc_fw_cfg_init(s);
 226
 227     filesize = qfw_cfg_get_file(fw_cfg, "etc/boot-menu-wait",
 228                                 &splash_time, sizeof(splash_time));
 229     g_assert_cmpint(filesize, ==, sizeof(splash_time));
 230     splash_time = le16_to_cpu(splash_time);
 231     g_assert_cmpint(splash_time, ==, 12);
 232     pc_fw_cfg_uninit(fw_cfg);
 233     qtest_quit(s);
 234 }
 235
 236 int main(int argc, char **argv)
 237 {
 238     g_test_init(&argc, &argv, NULL);
 239
 240     qtest_add_func("fw_cfg/signature", test_fw_cfg_signature);
 241     qtest_add_func("fw_cfg/id", test_fw_cfg_id);
 242     qtest_add_func("fw_cfg/uuid", test_fw_cfg_uuid);
 243     qtest_add_func("fw_cfg/ram_size", test_fw_cfg_ram_size);
 244     qtest_add_func("fw_cfg/nographic", test_fw_cfg_nographic);
 245     qtest_add_func("fw_cfg/nb_cpus", test_fw_cfg_nb_cpus);
 246 #if 0
 247     qtest_add_func("fw_cfg/machine_id", test_fw_cfg_machine_id);
 248     qtest_add_func("fw_cfg/kernel", test_fw_cfg_kernel);
 249     qtest_add_func("fw_cfg/initrd", test_fw_cfg_initrd);
 250     qtest_add_func("fw_cfg/boot_device", test_fw_cfg_boot_device);
 251 #endif
 252     qtest_add_func("fw_cfg/max_cpus", test_fw_cfg_max_cpus);
 253     qtest_add_func("fw_cfg/numa", test_fw_cfg_numa);
 254     qtest_add_func("fw_cfg/boot_menu", test_fw_cfg_boot_menu);
 255     qtest_add_func("fw_cfg/reboot_timeout", test_fw_cfg_reboot_timeout);
 256     qtest_add_func("fw_cfg/no_reboot_timeout", test_fw_cfg_no_reboot_timeout);
 257     qtest_add_func("fw_cfg/splash_time", test_fw_cfg_splash_time);
 258
 259     return g_test_run();
 260 }