xref: /openbmc/qemu/tests/qtest/fw_cfg-test.c (revision a68694cd)
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 }
261