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tests: Check serial output of firmware boot of some machines
Some of the machines that we have got a firmware image for write some output to the serial console while booting up. We can use this output to make sure that the machine is basically working, so this adds a test that checks the output of these machines for some well-known "magic" strings. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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| /* | ||
| * Test serial output of some machines. | ||
| * | ||
| * Copyright 2016 Thomas Huth, Red Hat Inc. | ||
| * | ||
| * This work is licensed under the terms of the GNU GPL, version 2 | ||
| * or later. See the COPYING file in the top-level directory. | ||
| * | ||
| * This test is used to check that the serial output of the firmware | ||
| * (that we provide for some machines) contains an expected string. | ||
| * Thus we check that the firmware still boots at least to a certain | ||
| * point and so we know that the machine is not completely broken. | ||
| */ | ||
|
|
||
| #include "qemu/osdep.h" | ||
| #include "libqtest.h" | ||
|
|
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| typedef struct testdef { | ||
| const char *arch; /* Target architecture */ | ||
| const char *machine; /* Name of the machine */ | ||
| const char *extra; /* Additional parameters */ | ||
| const char *expect; /* Expected string in the serial output */ | ||
| } testdef_t; | ||
|
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| static testdef_t tests[] = { | ||
| { "alpha", "clipper", "", "PCI:" }, | ||
| { "ppc", "ppce500", "", "U-Boot" }, | ||
| { "ppc", "prep", "", "Open Hack'Ware BIOS" }, | ||
| { "ppc64", "ppce500", "", "U-Boot" }, | ||
| { "ppc64", "prep", "", "Open Hack'Ware BIOS" }, | ||
| { "ppc64", "pseries", "", "Open Firmware" }, | ||
| { "i386", "isapc", "-cpu qemu32 -device sga", "SGABIOS" }, | ||
| { "i386", "pc", "-device sga", "SGABIOS" }, | ||
| { "i386", "q35", "-device sga", "SGABIOS" }, | ||
| { "x86_64", "isapc", "-cpu qemu32 -device sga", "SGABIOS" }, | ||
| { "x86_64", "q35", "-device sga", "SGABIOS" }, | ||
| { "s390x", "s390-ccw-virtio", | ||
| "-nodefaults -device sclpconsole,chardev=serial0", "virtio device" }, | ||
| { NULL } | ||
| }; | ||
|
|
||
| static void check_guest_output(const testdef_t *test, int fd) | ||
| { | ||
| bool output_ok = false; | ||
| int i, nbr, pos = 0; | ||
| char ch; | ||
|
|
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| /* Poll serial output... Wait at most 60 seconds */ | ||
| for (i = 0; i < 6000; ++i) { | ||
| while ((nbr = read(fd, &ch, 1)) == 1) { | ||
| if (ch == test->expect[pos]) { | ||
| pos += 1; | ||
| if (test->expect[pos] == '\0') { | ||
| /* We've reached the end of the expected string! */ | ||
| output_ok = true; | ||
| goto done; | ||
| } | ||
| } else { | ||
| pos = 0; | ||
| } | ||
| } | ||
| g_assert(nbr >= 0); | ||
| g_usleep(10000); | ||
| } | ||
|
|
||
| done: | ||
| g_assert(output_ok); | ||
| } | ||
|
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| static void test_machine(const void *data) | ||
| { | ||
| const testdef_t *test = data; | ||
| char *args; | ||
| char tmpname[] = "/tmp/qtest-boot-serial-XXXXXX"; | ||
| int fd; | ||
|
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| fd = mkstemp(tmpname); | ||
| g_assert(fd != -1); | ||
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| args = g_strdup_printf("-M %s,accel=tcg -chardev file,id=serial0,path=%s" | ||
| " -serial chardev:serial0 %s", test->machine, | ||
| tmpname, test->extra); | ||
|
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| qtest_start(args); | ||
| unlink(tmpname); | ||
|
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| check_guest_output(test, fd); | ||
| qtest_quit(global_qtest); | ||
|
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| g_free(args); | ||
| close(fd); | ||
| } | ||
|
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| int main(int argc, char *argv[]) | ||
| { | ||
| const char *arch = qtest_get_arch(); | ||
| int i; | ||
|
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| g_test_init(&argc, &argv, NULL); | ||
|
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| for (i = 0; tests[i].arch != NULL; i++) { | ||
| if (strcmp(arch, tests[i].arch) == 0) { | ||
| char *name = g_strdup_printf("boot-serial/%s", tests[i].machine); | ||
| qtest_add_data_func(name, &tests[i], test_machine); | ||
| g_free(name); | ||
| } | ||
| } | ||
|
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| return g_test_run(); | ||
| } |