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 #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 } 261