tests/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 "libqtest.h"
  16 #include "standard-headers/linux/qemu_fw_cfg.h"
  17 #include "libqos/fw_cfg.h"
  18
  19 static uint64_t ram_size = 128 << 20;
  20 static uint16_t nb_cpus = 1;
  21 static uint16_t max_cpus = 1;
  22 static uint64_t nb_nodes = 0;
  23 static uint16_t boot_menu = 0;
  24 static QFWCFG *fw_cfg = NULL;
  25
  26 static void test_fw_cfg_signature(void)
  27 {
  28     char buf[5];
  29
  30     qfw_cfg_get(fw_cfg, FW_CFG_SIGNATURE, buf, 4);
  31     buf[4] = 0;
  32
  33     g_assert_cmpstr(buf, ==, "QEMU");
  34 }
  35
  36 static void test_fw_cfg_id(void)
  37 {
  38     uint32_t id = qfw_cfg_get_u32(fw_cfg, FW_CFG_ID);
  39     g_assert((id == 1) ||
  40              (id == 3));
  41 }
  42
  43 static void test_fw_cfg_uuid(void)
  44 {
  45     uint8_t buf[16];
  46     static const uint8_t uuid[16] = {
  47         0x46, 0x00, 0xcb, 0x32, 0x38, 0xec, 0x4b, 0x2f,
  48         0x8a, 0xcb, 0x81, 0xc6, 0xea, 0x54, 0xf2, 0xd8,
  49     };
  50
  51     qfw_cfg_get(fw_cfg, FW_CFG_UUID, buf, 16);
  52     g_assert(memcmp(buf, uuid, sizeof(buf)) == 0);
  53 }
  54
  55 static void test_fw_cfg_ram_size(void)
  56 {
  57     g_assert_cmpint(qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE), ==, ram_size);
  58 }
  59
  60 static void test_fw_cfg_nographic(void)
  61 {
  62     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_NOGRAPHIC), ==, 0);
  63 }
  64
  65 static void test_fw_cfg_nb_cpus(void)
  66 {
  67     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_NB_CPUS), ==, nb_cpus);
  68 }
  69
  70 static void test_fw_cfg_max_cpus(void)
  71 {
  72     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_MAX_CPUS), ==, max_cpus);
  73 }
  74
  75 static void test_fw_cfg_numa(void)
  76 {
  77     uint64_t *cpu_mask;
  78     uint64_t *node_mask;
  79
  80     g_assert_cmpint(qfw_cfg_get_u64(fw_cfg, FW_CFG_NUMA), ==, nb_nodes);
  81
  82     cpu_mask = g_new0(uint64_t, max_cpus);
  83     node_mask = g_new0(uint64_t, nb_nodes);
  84
  85     qfw_cfg_read_data(fw_cfg, cpu_mask, sizeof(uint64_t) * max_cpus);
  86     qfw_cfg_read_data(fw_cfg, node_mask, sizeof(uint64_t) * nb_nodes);
  87
  88     if (nb_nodes) {
  89         g_assert(cpu_mask[0] & 0x01);
  90         g_assert_cmpint(node_mask[0], ==, ram_size);
  91     }
  92
  93     g_free(node_mask);
  94     g_free(cpu_mask);
  95 }
  96
  97 static void test_fw_cfg_boot_menu(void)
  98 {
  99     g_assert_cmpint(qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_MENU), ==, boot_menu);
 100 }
 101
 102 int main(int argc, char **argv)
 103 {
 104     QTestState *s;
 105     int ret;
 106
 107     g_test_init(&argc, &argv, NULL);
 108
 109     s = qtest_init("-uuid 4600cb32-38ec-4b2f-8acb-81c6ea54f2d8");
 110
 111     fw_cfg = pc_fw_cfg_init(s);
 112
 113     qtest_add_func("fw_cfg/signature", test_fw_cfg_signature);
 114     qtest_add_func("fw_cfg/id", test_fw_cfg_id);
 115     qtest_add_func("fw_cfg/uuid", test_fw_cfg_uuid);
 116     qtest_add_func("fw_cfg/ram_size", test_fw_cfg_ram_size);
 117     qtest_add_func("fw_cfg/nographic", test_fw_cfg_nographic);
 118     qtest_add_func("fw_cfg/nb_cpus", test_fw_cfg_nb_cpus);
 119 #if 0
 120     qtest_add_func("fw_cfg/machine_id", test_fw_cfg_machine_id);
 121     qtest_add_func("fw_cfg/kernel", test_fw_cfg_kernel);
 122     qtest_add_func("fw_cfg/initrd", test_fw_cfg_initrd);
 123     qtest_add_func("fw_cfg/boot_device", test_fw_cfg_boot_device);
 124 #endif
 125     qtest_add_func("fw_cfg/max_cpus", test_fw_cfg_max_cpus);
 126     qtest_add_func("fw_cfg/numa", test_fw_cfg_numa);
 127     qtest_add_func("fw_cfg/boot_menu", test_fw_cfg_boot_menu);
 128
 129     ret = g_test_run();
 130
 131     qtest_quit(s);
 132
 133     return ret;
 134 }