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
test_fw_cfg_signature(void)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
test_fw_cfg_id(void)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
test_fw_cfg_uuid(void)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
test_fw_cfg_ram_size(void)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
test_fw_cfg_nographic(void)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
test_fw_cfg_nb_cpus(void)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
test_fw_cfg_max_cpus(void)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
test_fw_cfg_numa(void)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
test_fw_cfg_boot_menu(void)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
test_fw_cfg_reboot_timeout(void)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
test_fw_cfg_no_reboot_timeout(void)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
test_fw_cfg_splash_time(void)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
main(int argc,char ** argv)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