qemu/tests/qtest/fw_cfg-test.c
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   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
  20static uint64_t ram_size = 128 << 20;
  21static uint16_t nb_cpus = 1;
  22static uint16_t max_cpus = 1;
  23static uint64_t nb_nodes = 0;
  24static uint16_t boot_menu = 0;
  25
  26static 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
  43static 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
  59static 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
  81static 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
  95static 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
 109static 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
 123static 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
 136static 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
 165static 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
 178static 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
 197static 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
 217static 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
 236int 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}
 261