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tests: Add lib/dimm_info_util-test test case 

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: I536566ba883bbeb558587a8d71e3d86152fb5e14
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52192
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Jakub Czapiga 2021-04-08 16:29:03 +02:00 committed by Patrick Georgi
parent e73bae7b0a
commit dadcae63c6
2 changed files with 117 additions and 0 deletions
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5
tests/lib/Makefile.inc
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@ -25,6 +25,7 @@ tests-y += compute_ip_checksum-test
tests-y += memrange-test tests-y += memrange-test
tests-y += uuid-test tests-y += uuid-test
tests-y += bootmem-test tests-y += bootmem-test
tests-y += dimm_info_util-test
string-test-srcs += tests/lib/string-test.c string-test-srcs += tests/lib/string-test.c
string-test-srcs += src/lib/string.c string-test-srcs += src/lib/string.c
@ -124,3 +125,7 @@ bootmem-test-srcs += src/device/device_util.c
bootmem-test-srcs += src/lib/bootmem.c bootmem-test-srcs += src/lib/bootmem.c
bootmem-test-srcs += src/lib/memrange.c bootmem-test-srcs += src/lib/memrange.c
dimm_info_util-test-srcs += tests/lib/dimm_info_util-test.c
dimm_info_util-test-srcs += src/lib/dimm_info_util.c
dimm_info_util-test-srcs += tests/stubs/console.c

112
tests/lib/dimm_info_util-test.c Normal file
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@ -0,0 +1,112 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <dimm_info_util.h>
#include <spd.h>
#include <tests/test.h>
static void test_smbios_bus_width_to_spd_width(void **state)
{
/* Non-ECC variants */
assert_int_equal(MEMORY_BUS_WIDTH_64, smbios_bus_width_to_spd_width(64, 64));
assert_int_equal(MEMORY_BUS_WIDTH_32, smbios_bus_width_to_spd_width(32, 32));
assert_int_equal(MEMORY_BUS_WIDTH_16, smbios_bus_width_to_spd_width(16, 16));
assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(8, 8));
/* Incorrect data width. Fallback to 8-bit */
assert_int_equal(MEMORY_BUS_WIDTH_8, smbios_bus_width_to_spd_width(15, 15));
/* ECC variants */
assert_int_equal(MEMORY_BUS_WIDTH_64 | SPD_ECC_8BIT,
smbios_bus_width_to_spd_width(64 + 8, 64));
assert_int_equal(MEMORY_BUS_WIDTH_32 | SPD_ECC_8BIT,
smbios_bus_width_to_spd_width(32 + 8, 32));
assert_int_equal(MEMORY_BUS_WIDTH_16 | SPD_ECC_8BIT,
smbios_bus_width_to_spd_width(16 + 8, 16));
assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT,
smbios_bus_width_to_spd_width(8 + 8, 8));
/* Incorrect data width. Fallback to 8-bit */
assert_int_equal(MEMORY_BUS_WIDTH_8 | SPD_ECC_8BIT,
smbios_bus_width_to_spd_width(15 + 8, 15));
}
static void test_smbios_memory_size_to_mib(void **state)
{
uint32_t extended_size;
uint16_t memory_size;
/* Unknown memory size */
assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0));
assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 0xFFFF));
assert_int_equal(0, smbios_memory_size_to_mib(0xFFFF, 87642));
/* 32GiB - 1MiB */
extended_size = 0;
assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size));
extended_size = 0xFFFFFFFF;
assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size));
extended_size = 0xDEDE6666;
assert_int_equal(extended_size, smbios_memory_size_to_mib(0x7FFF, extended_size));
/* Memory size in KiB when MSB is flipped */
memory_size = 0x0 & 0x8000; /* Zero bytes */
assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0));
assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF));
assert_int_equal(0, smbios_memory_size_to_mib(memory_size, 2345568));
memory_size = (31 * KiB) | 0x8000;
assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0));
assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF));
assert_int_equal(31, smbios_memory_size_to_mib(memory_size, 72594344));
/* Value in MiB Only when memory size is not 0xFFFF and 0x7FFF and MSB is not set */
memory_size = 32766; /* value in MiB */
assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0));
assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 0xFFFFFFFF));
assert_int_equal(memory_size, smbios_memory_size_to_mib(memory_size, 694735));
}
static void test_smbios_form_factor_to_spd_mod_type(void **state)
{
/* Form factors defined in coreboot */
const LargestIntegralType udimm_allowed[] = {
SPD_UDIMM, SPD_MICRO_DIMM, SPD_MINI_UDIMM,
};
assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_DIMM),
udimm_allowed, ARRAY_SIZE(udimm_allowed));
const LargestIntegralType rdimm_allowed[] = { SPD_RDIMM, SPD_MINI_RDIMM };
assert_in_set(smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_RIMM),
rdimm_allowed, ARRAY_SIZE(rdimm_allowed));
assert_int_equal(SPD_SODIMM,
smbios_form_factor_to_spd_mod_type(MEMORY_FORMFACTOR_SODIMM));
const smbios_memory_form_factor undefined_factors[] = {
MEMORY_FORMFACTOR_OTHER,
MEMORY_FORMFACTOR_UNKNOWN,
MEMORY_FORMFACTOR_SIMM,
MEMORY_FORMFACTOR_SIP,
MEMORY_FORMFACTOR_CHIP,
MEMORY_FORMFACTOR_DIP,
MEMORY_FORMFACTOR_ZIP,
MEMORY_FORMFACTOR_PROPRIETARY_CARD,
MEMORY_FORMFACTOR_TSOP,
MEMORY_FORMFACTOR_ROC,
MEMORY_FORMFACTOR_SRIMM,
MEMORY_FORMFACTOR_FBDIMM,
MEMORY_FORMFACTOR_DIE,
};
for (int i = 0; i < ARRAY_SIZE(undefined_factors); ++i) {
assert_int_equal(SPD_UNDEFINED,
smbios_form_factor_to_spd_mod_type(undefined_factors[i]));
}
}
int main(void)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_smbios_bus_width_to_spd_width),
cmocka_unit_test(test_smbios_memory_size_to_mib),
cmocka_unit_test(test_smbios_form_factor_to_spd_mod_type),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}